Absorbent article

FIELD: personal use articles.

SUBSTANCE: upper sheet comprises a first and a second protruding parts protruding on the side of the first surface and the second surface, respectively, having the inner space. The first and the second protruding parts are arranged alternately and continuously in a certain order over the entire surface of the upper sheet in each of different intersecting directions on top view. The second protruding part has a wall part having an annular structure between its upper part and its opening, and the wall part has the properties of the fibre orientation in the direction connecting the upper part of the second protruding part and its hole. The absorbent element has parts with the first and second base weights which are lower than the first one. The part with the second base weight surrounds the part with the first base weight and is located in contact with the upper part of the second protruding part of the upper sheet, and it additionally has a concave part in the form of a chute deepened from the side of the lower sheet in the direction of the upper sheet side, extending at least in the longitudinal direction and having a lower surface formed by the part with the second base weight. Part of the adjacent first and second protruding parts is located at a position corresponding to the concave part through the part with the second base weight.

EFFECT: increase in conformability, preventing lateral leakage, increase in the strength of the absorbent element, reduced stickiness.

20 cl, 10 dwg, 1 tbl

 

AREA of TECHNOLOGY

The present invention relates to an absorbent product.

The LEVEL of TECHNOLOGY

Absorbent product such as a sanitary towel, a daily strip or as a disposable diaper, usually used in direct contact with the skin of the user. In this case, the absorbent product is often used in the place where the skin is highly sensitive to irritation, and also occasionally worn for a long period of time. Therefore, preferably the product with a soft touch to the skin. On the other hand, for these types of absorbent products absorbent properties and fluid retention properties as the main function.

Conventional absorbent product is an absorbent product is formed by placing a flat top sheet 1 on absorbent element 3, as shown in Fig. 10.

Patent document 1 discloses a top sheet consisting of a sheet of the outer layer sheet and the lower layer and having a large number of hollow convex sections. In such upper sheet bottom surface of the above described convex section is rectangular, and the convex section has a form of a rectangular parallelepiped or a truncated square pyramid.

Moreover, patent document 2 discloses a top� sheet, where you can find many series plots of scars and sections of the grooves are connected alternately, partially or completely, on the surface, the portions of the ribs are curved in a convex shape, the portions of the grooves are curved in a concave form, and on the sections of the grooves at intervals there are a number of open slots. The peripheral portion of the open slot is provided with three ribs protruding from the upper surface of the top sheet in the direction of its rear surface.

In addition, patent document 3 discloses a top sheet for absorbent products in which the first fiber layer, which is located on the side of the skin, and the second fiber layer, which is located on the side absorbent element is sealed, and partially connected in the wiring of a predetermined pattern, and a part different from the above-described joint section of the first fiber layer, forming a convex shape from the leather.

LIST of CITED DOCUMENTS

PATENT DOCUMENTS

Patent document 1: JP-A-2004-174234 ("JP-A" means unexamined published Japanese patent application)

Patent document 2: JP-A-09-299402

Patent document 3: JP-A-2004-000466.

The ESSENCE of the INVENTION

The present invention provides an absorbent article containing a top sheet located on the side in contact with the skin surface, n�life sheet located on the side not in contact with the skin surface, and the absorbent element, is inserted between the two sheets,

where the top plate has a first protruding section protruding on the side of the first surface as the feed liquid side and having an interior space and a second protruding section on the side of the second surface as the side opposite the first side surface, and having an interior space, the first protruding portion and second protruding section are alternately and continuously arranged in any order throughout the upper sheet in each of different intersecting directions on the top view, the second protruding portion has a wall section having a ring structure between its upper part and its hole, and a wall section has properties of fiber orientation in the direction connecting the upper portion of the second protruding section and the hole

where the absorbent element has a first base weight and the station with the second base weight, which has a lower base weight than the basic weight of the plot with the first base weight, and surrounds the area with the first base weight, and is in contact with the top of the second protruding part of the upper sheet, and further has a concave section in the form of a particularly severe�ka, in-depth from the bottom of the sheet, in the direction of the upper side of the sheet, continuing at least in the longitudinal direction and having a bottom surface formed by the section with the second base weight, and

where at least a portion of adjacent first and second protruding sections is located at a position corresponding to the concave section through the section with the second baseline weight.

Other and additional objects, features and advantages of the invention will be more fully apparent from the following descriptions, respectively, with reference to the accompanying drawings.

BRIEF description of the DRAWINGS

Fig. 1 is a drawing showing one preferred embodiment of the absorbent products of the present invention, in which (1) is a schematic partial cross sectional view showing part of the absorbent core structural element of absorbent products, and (2) is a schematic partial cross sectional view showing the dimension of the positions in each of the top sheet.

Fig. 2 is a plan view of a circuit showing one example of a preferred planar arrangement in a certain order projecting areas that are visible from the side of the first surface of the top sheet in accordance with an absorbent prod�m preferred embodiment of the present invention.

Fig. 3 is a plan view of a circuit showing a modified example of the planar layout of protruding sections that are visible from the side of the first surface of the top sheet in accordance with an absorbent product of a preferred embodiment of the present invention.

Fig. 4 is a cross sectional view showing one preferred example of the absorbent element of the absorbent products of the present invention.

Fig. 5 is a planar view of the distribution, showing one preferred example of the absorbent element of the absorbent products of the present invention.

Fig. 6 is a schematic view of the structure of the cross-section, showing the movement of liquid when a small amount of liquid fed to the top sheet of the absorbent product of the present invention.

Fig. 7 is a schematic view of the structure of the cross-section, showing the movement of fluid when a large amount of fluid enters the top sheet of the absorbent product of the present invention.

Fig. 8 is a schematic view of the structure of the cross-section, showing the fluid motion when an even greater amount of liquid fed to the top sheet of the absorbent product of the present invention.

Fig. 9 before�provide a perspective view, showing the preferred embodiment of the stretched product of the present invention.

Fig. 10 is a drawing showing one example of a top sheet and an absorbent element in accordance with the conventional technology, in which (1) is an expanded view in perspective and (2) is a cross sectional view.

DESCRIPTION of embodiments of

The present invention relates to an absorbent product, in which the permeability for fluid concave-convex upper sheet and the ability to distribute the liquid within the absorbent element is improved.

One preferred variant implementation of the absorbent product in accordance with the present invention is described below with reference to Fig. 1-5. In addition, each component is described with pinning symbol.

As shown in Fig. 1, the absorbent product of the present invention has a basic composition described below. More precisely, the absorbent product has an absorbent core structural element 4, comprising: permeable to fluid top sheet 1 is located on the side in contact with the skin surface; impermeable bottom sheet 2, located from the side not in contact with the skin surface; and an absorbent element (also referred to as absorbent, four core�Oh) 3, with properties to hold the liquid, is inserted between the top sheet 1 and bottom sheet 2.

In the above-described absorbent main structural element 4 can be used a material that is normally used for this type of diaper or similar product, and is not particularly limited.

Top sheet 1 is preferably formed from permeable to liquid non-woven material. As permeable to liquid non-woven material preferably can be used non-woven materials, called breathable non-woven material, spot-bound nonwoven material, a spunbond nonwoven material (spunbond), hydroplanes by nonwoven fabric (Spunlace) and bulk non-woven material, where the fiber of the nonwoven material are polypropylene monofilaments, bicomponent fiber of polypropylene and polyethylene bicomponent fibers of polyethylene terephthalate and polyethylene and similar fibers that have been treated by hydrophilization.

The bottom sheet 2 is not particularly limited, while it is water-repellent and vapor permeability. In particular, an example is a porous film which is obtained by compounding in the melt hydrophobic thermoplastic resin and a finely divided inorganic filler, containing�th calcium carbonate, and similar material, or organic polymer that does not have compatibility, and similar material, with the formation of the film, and holding monoaxially or biaxially stretching the film. Examples of thermoplastic resin may include a polyolefin. Examples of the polyolefins may include polyethylene from high density to low density, linear low density polyethylene, polypropylene, polybutene and similar polyolefins, and they can be used alone or by mixing.

For absorbing element 3, for example, can be used an aggregate of fibers or combination of fibers and absorbent polymer in combination and similar materials. As the fibers that constitute the aggregate of fibers, can be used hydrophilic natural fibers such as cellulose fibers, and synthetic fibers (preferably fiber subjected to hydrophilization) and other such materials. Although a baseline weight is not particularly limited, it is preferably 150 g/m2or more and 500 g/m2or less. Moreover, it can also be used a covering sheet for fencing absorbent element 3. In addition, for such a covering sheet can be used thin paper (sanitary paper), such as hydrophilic sanitary paper, nonwovens, floor�enny of hydrophilic fibers, such as cotton and viscose, non-woven materials obtained by carrying out hydrophilization resin fibers (composite nonwoven materials such as spunbond-milband-spandan (SMS SMS), spunbond-milband-melted-spandan (SMS, SMMS) and spunbond-spunbond-milband-spandan (SSMS, SSMS)), and similar materials.

The following details the top sheet 1.

Top sheet 1 has all over the first projecting portions 11 protruding in the Z1 side of the first surface (upper surface), as feed liquid side and the second projecting portions 12 protruding on the side Z2 of the second surface (back surface), the side opposite this side Z1 of the first surface, the first protruding parts 11 and second projecting portions 12 are arranged in a specific order with a given interval. Details of an example planar layout in a specific order of the first and second protruding sections 11 and 12 described later. The Z1 side of the first surface preferably faces the side surface of the skin of the user, and the Z2 side of the second surface is preferably located on the side of the absorbent element 3 in absorbent products. It will then offer an explanation with regard to the variant of implementation, which is used with the Z1 side of the first surface facing in on�governance of the skin of the user.

The wall section 13 is located between the top 12T (hereinafter also referred to as the second top 12T) described above of the second protruding section 12 and the hole 12H. This section of the wall 13 forms a ring structure at the second protruding block 12. Fibers constituting a wall section 13, have the properties of fiber orientation predominantly in the direction (the direction of the two-way arrows shown in Fig. 1) connecting the second upper portion 12T is a plot of edge of the hole 12H. In other words, the fibers have properties of the radial orientation of the fibers, which are directed from the second upper portion 12T towards the outside. In other words, it shows that the fibers are oriented so that they converge to a single point in a direction of the second upper portion 12T along the direction of the surface of the sheet which extends from the wall section 13 and the second protruding block 12. Thus, the fibers have properties of the radial orientation of the fibers from the second upper portion 12T in the direction of the outer side, thereby providing the impetus for the action to move liquids, which is described later, and at the same time have excellent cushioning properties. More precisely, the first and second projecting portions 11 and 12 have excellent permeability to fluid and simultaneously show EF�draft wrinkle resistance and quick recovery, even if there is deformation.

Moreover, the wall section 13 has a smaller number of fibers than the upper part 11T (hereinafter also referred to as the first upper part 11T) of the first protruding section 1 and the top 12T of the second protruding block 12. Furthermore, the first and second top parts 11T and 12T have a higher density compared with the wall section 13. The number of fibers in a concave-convex shaped top sheet 1 of the present invention is difficult to establish due to the large change in the subtle region, but the relative increase in the number of fibers of a wall part 13 and the first and second top parts 11T and 12T can be approximately evaluated by measuring the inter-fiber distance. More precisely, when interfibrillar distance becomes larger, the relative weight of the fibers decreases and thus the number of fibers is reduced compared to a structure in which the interfibrillar distance is small.

Moreover, measurement of the thickness of each thin upper sheet 1 enables the relative comparison of the level density on the thickness and rough estimate of the number of fibers. For the number of fibers, which are relatively estimated in the interfibrillar distance measurement data in the direction of the thickness of the permit evaluation �otnositelno, whether the stacking structure of dense fibers (small thickness) or structure separated (large thickness). More precisely, taking into account the interfibrillar distance, a comparison of the volume of the cylinder, in which the circular cavity surrounded by fibers that extend in the thickness direction, allows the relative comparison of density, and when the volume of one cylindrical element with the distance between the fibers as diameter and thickness as the height is large, the density can be estimated to be lower.

The absorbent product of the present invention interfibrillar distance on the wall section 13 is the effect on the permeability to fluids in the upper sheet when absorbed a large amount of fluid, and interfibrillar distance and the thickness of the wall section 13 affect structural stability. In addition, the preferred interval is the inter-fiber distance and thickness will be described later.

The following describes examples of specific configurations of the first and second protruding sections 11 and 12.

The first protruding section 11T and the second protruding section 12T are in the form of a truncated cone or hemisphere with the first and second upper portions that are rounded. More specifically, the protruding shape of the first projecting section 11 is not pointed, but rather on�sfericheskoi. On the other hand, the protruding shape of the second protruding section 12 is pointed and forms a circular cone or a truncated cone with rounded top. In an embodiment, the implementation form of the first projecting section 11 and the shape of the second protruding section 12 is not limited to the above-described forms and can be any protruding configuration. For example, approved various conical shape. For example, in this description conical shape is defined broadly with the inclusion of a circular cone, truncated cone, pyramid, truncated pyramid, oblique circular cone, etc.

The first protruding section 11 and the second speaker cover section 12 internal space of the 11S and 12S, which are homothetic to their external forms and are in the form of a truncated cone or hemisphere with a rounded top. Internal space of the 11S and 12S are isolated from each other through the portion of the rib 14, which connects the adjacent first upper portion 11T of the first projecting section 11, with the formation of discontinuous spaces.

On the other hand, as described above, the wall section 13 is placed between the upper portions 11T and 12T of the first projecting section 11 and the second protruding section 12 and corresponding holes 11H and 12H with the formation of sheet structure in which the first and second projecting portions 11 and 12 are n�discontinuous at the expense of the wall section 13 and the above-described section of the rib 14.

Apparent thickness (hereinafter, the apparent thickness of the sheet t10) of the upper sheet 1 as a whole (from the first top portion 11T to the second upper portion 12T) in the present invention is not particularly limited, but is 1.0 mm or more and 9.0 mm or less, preferably 1.5 mm or more and 7.0 mm or less, and more preferably 2.0 mm or greater and 6.0 mm or less from the viewpoint of absorbent products with good cushioning feeling for the body. Moreover, the apparent thickness (apparent thickness t11 of the first upper portion 11T) of the first projecting section 11 between the first top 11T and the lowest provisions of section rib 14 is 0.1 mm or more and 3.0 mm or less, preferably 0.3 mm or more and 2.5 mm or less, and more preferably 0.5 mm or more and 2.0 mm or less from the point of view of satisfaction as cushioning properties and smoothness. The second speaker section 12 between the wall section 13 and the top 12T of the second protruding portion (from the plot of the rib 14 and the second upper portion 12T) forms a Cup shape, surrounded by a wall section 13, and the apparent thickness (hereinafter, the height of the Cup Hc) of the second protruding section 12 in the profile is 0.5 mm or more or 8.0 mm or less, preferably 0.7 mm or more, or 7.0 mm or less, and more preferably 1.0 mm or larger 5.0 mm or less.

<> As to the thickness of the top sheet in each part of the first upper portion 11T, the second top 12T and the wall section 13, the wall section 13 is made thinner than compared with the first top 11T and second top 12T, the thickness of the first t111 top 11T is 0.5 mm or more and 2.0 mm or less, and the wall section thickness 13 t131 in the position of 1/3 from the surface of the skin is 0.1 mm or more and 0.7 mm or less, and thickness t132 at the point at 2/3 of the surface of the skin is 0.5 to 1.0 mm. When a large amount of fluid, such as urine, is highlighted again in this case, the liquid moves from the second upper portion 12T to the absorbent element 3, and therefore the amount of liquid that is poured from a portion of the cups to be transferred to the absorbent element 3 is excessive. Therefore, the thickness t121 second top 12T has little impact during the transfer of large amounts of fluid. On the other hand, a Cup not to crack under pressure. That is, from the point of view of the retention properties of the form thickness (thickness t132) at the bottom of the Cup wall section 13 (point at 1/3 of the apparent thickness (height of the Cup of the national Assembly) from the top 12T of the second protruding section 12, in this case) is within the above-described interval, resulting in forming�window structure, necessary to maintain the shape.

Moreover, the first upper portion 11T and the wall section 13 properties of fiber orientation and magnitude of the gaps between the fibers (interfibrillar distance) on the top view are different. The orientation of the fibers, which is determined by the method described below, to determine first the upper part of the 11T so that the machine direction (MD) of the upper sheet 1, it was 0° during the measurement properties of orientation. Here, the above-mentioned term MD means the direction in which each sheet, the absorbent product, etc. is moved in the production process (machine direction). In the case of measuring the properties of orientation above a machine direction almost coincides with the "plane" on top view. In the case of location, which is shown in Fig. 2, the orientation angle of the wall section 13, which is adjacent in the direction perpendicular to MD orientation in the first top portion 11T, is determined by taking the direction of the virtual line connecting the first upper portion 11T and the second top portion 12T, 90°. As for the orientation angle of the above-described wall section 13, when the angle is 0° or more and 360° or less correct (transform) within the angular range of 0° or more and 180°, the wall section 13 has an orientation angle of fibers (within the degrees ±30° in the direction virtualonline), continuing along the direction of the virtual line connecting the first upper portion 11T and the second top portion 12T.

As for the definition of the properties of orientation on the wall section 13, then the study areas, separated from the machine direction, and not the field that is bound to the machine direction of the top sheet 1, also facilitates the monitoring of changes in the properties of the fiber orientations. Therefore, in the case of location, which is shown in Fig. 3, the wall section 13, adjacent the first top 11T and outline areas where the angle of intersection between a virtual line connecting the first upper portion 11T and the second top portion 12T, and the longitudinal direction is in the range of 90°±45°, and the measurement of fiber orientation, which is described later, is carried out so as to set the direction of the virtual line connecting the first upper portion 11T and the second top portion 12T, which is 90°.

Moreover, the stability of the orientation of the wall section 13 is also preferably up to 1.05 or more. The stability of orientation of the first upper portion 11T is not particularly specified, but preferably is lower than the stability of the orientation of the wall section 13. The orientation angles are different between the top parts 11T, 12T and the wall section 13 adjacent areas, as mentioned above�, and therefore the fibre wall section 13 are located so that they are oriented in such a way as to converge to a single point on the upper side of the second portion 12T. Moreover, the high stability of the orientation of the wall section 13 makes interfibrillar distance to open, while creating the opportunity for the transfer of liquid to the absorbent element 3, when poured a large amount of fluid and fiber wall section 13 contain water. From the viewpoint of smoothness of the mean interfibrillar spacing in the first upper portion 11T is preferably 1 μm or more and 40 μm or less, and more preferably 5 μm or more and 30 μm or less. Moreover, from the point of view of ensuring the possibility of passage of fluid mean interfibrillar distance on the wall section 13 is preferably greater than the distance of the first upper portion 11T, and is preferably 10 μm or more and 100 μm or less, and more preferably 15 μm or more and 80 μm or less. Moreover, from the point of view of conservation of the structure of the wall section 13 and move into the inner space 12S while absorbing large quantities of liquid, the relative share of the number of fibres of 40 μm or more in the interfibrillar distance, preferably is 5% or more and 50% or less, more preferably 5% and�and more and 30% or less.

In addition, when production is carried out by forming cloth in a General way carding (Lac) and the formation of the nonwoven material with the help of this method of production, as the process air gasket, properties of fiber orientation on the first projecting section 11 and the second protruding section 12 have an angle of orientation of the fibers, which are arranged in the longitudinal direction of the nonwoven material, and the stability of the orientation can be set in the range of 1 or more and 1.7 or less, depending on the purpose. More precisely, if the fiber orientation is durable (high resistance orientation), the vector is placed in a certain order fibers directed in the direction of the orientation angle. That is, a large number of fibers are directed in the direction of the orientation angle, which as a result helps to stabilize the behavior during processing. On the contrary, if the stability of orientation of the fibers is low, the fiber direction is scattered, and, as a rule, the ratio of the resistance in the longitudinal direction of the resistance in the direction of width is close to 1, and can also be adjusted to balance the resistance. Usually from the point of view of ease of weaving the fibers of the fiber izbivaut, and therefore the nonwoven fabric definitely has the properties of random Oriente�AI, although non-woven material is arranged in a certain order in the longitudinal direction, showing the orientation angle in degrees 0°to±50° to the longitudinal direction.

On the other hand, the wall section 13 of the top sheet 1 in the present invention has the properties of orientation in the direction of the second protruding section 12, regardless of the orientation angle of the fibers of the first and second protruding sections 11 and 12, or strongly varying angles from the orientation angle of the fibers of the first and second protruding sections 11 and 12, which show the effect described above.

Next, an example of a preferred planar arrangement in a particular order described above of the first and second protruding sections 11 and 12 with reference to Fig. 2 and Fig. 3.

In the example, the first location in a certain order, which is shown in Fig. 2 described above, the first and second projecting portions 11 and 12 are alternately and continuously arranged in any order on the whole surface of the top sheet 1 in each of the first direction X and second direction Y, which is different intersecting directions on the top view. The intersection angle between the first direction X and second direction Y is preferably set so that it ranged from 30 to 90° (orthogonal), and the illustrated example shows an embodiment with an angle of 90°. In addition to t�, the portion between adjacent first protruding parts 11 are formed in a section of the rib 14.

In addition, streamlined shape described above, the first and second protruding sections 11 and 12 are not limited to the configuration shown in Fig. 2. For example, as shown in Fig. 3, six of the first protruding sections 11 may be located at the vertices of a hexagon, placing in the center of the second protruding section 12, and the pattern of their patterns can be ordered throughout the area on the surface of the top sheet 1. In this case, the first protruding sections 11 exceeds the number of second protruding sections 12, and therefore, there is a structure in which the first projecting portions are adjacent. However, since the overall structure formed of a continuous sheet, such an ordered form is also included in the definition of the first protruding sections 11 and second protruding sections 12 arranged in a certain order "turn", since the projecting portions are arranged alternately and continuously in each of the first direction X, the second direction Y and the third direction W as different intersecting directions on the top view.

Top sheet having first and second projecting portions 11 and 12, which are arranged in a specific order, as described above, is entirely formed of a continuous cu�howl, not having footage of a deflection.

Thus, the top sheet preferably has a continuous structure in the direction of the plane. "Fully" understand that are not present in discrete areas and small holes. The micropores, such as the gaps between the fibers do not consider the above-mentioned small holes. The above-mentioned small holes, for example, called small holes, as holes with a diameter of 1 mm or more which have equivalent circle.

Next, an example of one preferred structure described above, the absorbent element 3 with reference to Fig. 4 and described above for Fig. 1.

Absorbent element 3 has a continuous phase with the second base weight 32, and the station with the first base weight 31, which has a higher base weight than the portion with the second base weight 32, and the station with the first base weight 31 is surrounded by a plot with the second base weight 32. Moreover, the absorbent element 3 is in the shape of the concave groove section 33, which was deepened by the underside of the sheet 2 in the direction toward the side of the top sheet 1 has a bottom surface formed by the section with the second base weight 32, and extends, at least in the longitudinal direction. This concave area 33 is located on the side of the lower sheet 2 opposite sides of the upper absorbent sheet 1 item 3, and chastising first and second protruding sections 11 and 12 located at the positions the respective concave sections 33, through the absorbent element 3. The above plot with the second base weight 32 is located so that it surrounded the plot with the first basic weight 31, and is made in the form of a concave groove section 33 is located on the lower side of the sheet section with the second base weighing between 32 stations with the first base weight 31. Therefore, the absorbent element 3 phase with the first basic weight 31 is arranged so that it was thinner than the portion with the second base weight 32. In this case, the surface of the absorbent element 3 on the side of the top sheet (upper part in the figure) is formed so that it has a substantially flat surface. Moreover, the density of phase with the first basic weight 31 becomes higher compared to the plot with the second base weight 32. Preferred interval the density is not particularly limited, but on the plot with the first basic weight 31 the density is in the range of 0.03 g/cm3or more and 0.50 g/cm3or less, more preferably 0.05 g/cm3or more and 0.40 g/cm3or less, and also preferably 0.07 g/cm3or more and 0.30 g/cm3or less. On the plot with the second base weight 32 density is in the range of 0.01 g/cm3or more and 0.15 g/cm3or less, and more preferably in the range of 0.03 g/cm3or more and 0.12 g/sup> 3or less.

Thus, the concave section 33 is placed to the absorbent element 3 from the side of the lower sheet 2 opposite sides of the upper sheet 1, and therefore, the liquid applied to the surface of the upper sheet 1 is moved from the second projecting section 12 to the internal space 11S of the first projecting section 11, and is absorbed by the absorbent element 3 from the side of the top sheet 1. The liquid then enters the concave section 33 directly from the plot with the second base weight 32 absorbent element 3 or through the surface of the wall section with the first basic weight 31 from the plot with the second base weight 32. Thus, some amount of liquid immediately after the introduction to the area with the second base weight 32, is absorbed therein, and the liquid that cannot be absorbed completely, is moved to the concave section 33. If the concave area 33 is located on the side of the top sheet 1, the liquid moves directly to the concave section, and the liquid that cannot be concave section that follows, causing a leak. Consequently, the concave area 33 is preferably placed on the side opposite to the top sheet 1.

Moreover, the surface of the absorbent element 3 on the side of the top sheet 1 is flat, and even on the upper sheet 1 having concave�-convex shape, due to the first and second protruding portions 11 and 12, the contact between the second top 12T and an absorbent element 3 is firmly secured, and therefore, adhesion of the top sheet 1 with the fusible adhesive (not shown) is sufficient. Such fusible adhesive is applied, for example, in the form of a spiral so that the surface of the coating having voids, and therefore the adhesive does not prevent the movement of fluid from the second projecting section 12 to the absorbent element 3. Moreover, when using fusible adhesive, which is formed by surface coating with voids, the integrity between the top sheet 1 and the absorbent element 3 is retained, improving the following capability in a particular way, and the strength and friability partially distributed in adhesion with the second protruding section 12, and, thus, can be kept soft absorbent products. In addition, the adhesive properties can be estimated using the strength at peeling between the sheets; and strength at peeling is preferably of 0.1 mV or more and 50 mV or less, and more preferably of 0.5 mV or more and 10 mV or less. If the strength at peeling is less than 0.1 mV, the movement of fluid from the top sheet 1 to the absorbent element 3 during the absorption of a small amount �fluid becomes difficult to implement. If the strength at peeling is higher than 50 mV, the apparent thickness of the upper sheet 1 is undoubtedly falling, and during the absorption of large amounts of fluid the effect becomes difficult to implement.

In addition, the area with the first base weight 31 has a higher density compared to the area with the second base weight 32, and therefore there is a movement of fluid from the area with the second base weight 32 to the area with the first base weight of 31, but the movement of fluid from the area of the first base weight 31 on the station with the second base weight 32 slightly. Thus, the liquid absorbed in the plot with the first base weight of 31, it's hard to flow back. More precisely, improved retention properties of the liquid.

Next, an example of a preferred arrangement of the grooves forming the concave portions described above absorbent element 3, with reference to Fig. 5.

As shown in Fig. 5(1), on the side of the back surface located opposite the upper sheet 1 (see Fig. 1) this absorbent element 3, the absorbent element 3 has a first, second and third concave portions 33A, 33B and 33C in the form of concave sections 33 in the form of grooves, continuing at least in the longitudinal direction.

More specifically, the absorbent element 3 includes three sections in the longitudinal direction L. the Absorbent element 3 has a first absorption�schy plot 3A, highlighted in the middle section, the second absorbent section 3B, located on one side of the first absorbent section 3A, and the third absorbent section 3C, located on the other side of the first absorbent section 3A. Thus, the first absorbing area 3A is located between the second absorbing section 3B and the third absorbent section 3C. Moreover, although the external shape of the absorbent element 3 may be of rectangular shape, more preferably, the external shape was the shape that narrows from the first absorbent section 3A in the direction of width D (hereinafter, the direction of the width D is called a direction that is orthogonal to a longitudinal direction (L) so as to match the inguinal areas of the thighs of the user. First, second and third absorbent sections 3A, 3B and 3C are represented only by partitioning areas of the absorbent element 3 and divided into appropriate absorbent areas. In addition, when the absorbent element 3 is attached to the absorbent product is a diaper and wearing, first absorbing area 3A is superimposed around the crotch area, and, for example, the second absorbent section 3B is superimposed near the front (vertical) side, and the third absorbent section 3C superimposed about breech (dorsal side. On the other hand, the second absorbent section 3B is applied around the gluteal (dorsal) side, and the third absorbent section 3C is applied around the front (vertical) part.

Many of the segments of the first concave sections 33A (first two segments of concave sections 33A in the drawing) are located predominantly on the first absorbing area 3A, and the corresponding first concave portions 33A are present within the lateral periphery of the first absorbent section 3A on the top and are predominantly located in the longitudinal direction L. In this case, the expression that "a lot of segments of the first concave sections 33A are located mainly on the first absorbent section 3A", means that there is an option when only the first concave portions 33A are located on the first absorbing area 3A, and also the option when the second concave portions 33B and third concave portions 33C partly located on the first absorbing area 3A. In addition, the expression "arranged in the longitudinal direction L, means that there is one case where the concave portions are preferably only in the longitudinal direction L, and when the concave portions are partially located in other directions. In addition, the second and third concave portions 33B and 33C are located mainly on the respective second�m and third absorbent sections 3B and 3C, and corresponding second and third concave portions 33B and 33C are located mainly in oblique directions relative to the longitudinal direction L. In this case, the expression that "the second and third concave portions 33B and 33C are primarily based on respective second and third absorbent sections 3B and 3C" means that there is an option when placed only second and third concave portions 33B and 33C, and when partly set, the first concave portions 33A. The expression being predominantly arranged in inclined directions" means that the component can be located in other directions, and a specific example of the inclined direction represents the arrangement in the form of an oblique lattice. Thus, the location configuration concave differ between the first concave portions 33A and the second and third concave portions 33B and 33C.

In addition, the first and second concave portions 33A and 33B, and the first and third concave portions 33A and 33C are formed in a continuous concave.

In addition, although the surface shape of the cross section from the first concave sections 33A to third concave sections 33 can be any shape, they have a rectangular shape or the shape of an inverted trapezoid. In addition, since the absorbent elem�HT 3 is formed by a set of fibers and similar materials, such as a nonwoven material, the contour of the surface shape of the cross section of each concave portion is not fixed and is a rough form.

Moreover, as shown in Fig. 5(2), the absorbent element 3 with the structure shown in Fig. 5(1), the absorbent element 3 includes a plurality (four in the present example) of the first concave sections 33A mainly on the first absorbent section 3A and the fourth concave 33h in the direction of width D of the first absorbent section 3A, made in connection with the first concave portions 33A arranged in the longitudinal direction L. Accordingly, the concave portions are located in the so-called lattice steps through the first concave sections 33A and the fourth concave 33h. Other components are the same as components of the absorbent element 3 shown in Fig. 5(1). In this case, the movement of fluid is rapidly developing to concave portions on the outer surface and may be performed in a wider range. Thus, the amount of absorbed liquid increases, and simultaneously, the time during which the liquid is absorbed, becomes shorter.

In addition, 33A and 33h, belonging to the first absorbent section 3A, may be arranged in a lattice shape of the stairs (the area with the first base weight 31 is made in �ahmetom order) or may be arranged in a lattice shape (the area with the first base weight 31 is made in the form of a lattice). In addition, the second concave portions 33B and third concave portions 33C belonging to the second absorbent sections 3B and the third absorbent sections 3C, respectively, may be absent or may be present in discontinuous form (not continuous). Moreover, the concave portions may be parallel or perpendicular to the longitudinal direction L. Each of the plurality of first concave sections 33A belonging to the first absorbent section 3A, the second concave sections 33B and third concave 33C may have equal or different widths.

The following describes the principle of operation of absorbent products of the present invention when considering the above described preferred embodiment as an example. Initially, the described movement of the liquid when the liquid comes above the top sheet 1, with reference to Fig. 6.

As shown in Fig. 6, when the amount of fluid 51 (in the drawing indicated by the arrow), which was received is small, the liquid 51 is thought moves along the wall surface of the internal space 12S of the second protruding block 12 from the top 12T of the second protruding section 12 to the side of the absorbent element 3, and then moves from the area b with the second�gas weighs 32, having a low base weight, to the first base weight 31 having a high basic weight, the absorbent element 3.

When the amount of liquid that entered, large, as shown in Fig. 7(1), is not implemented sufficiently leaking of fluid 51 from the top 12T of the second protruding section 12, and the liquid accumulates in the interior space 12S of the second protruding section 12.

Then, as shown in Fig. 7(2), the accumulated liquid 51 can instantly leaking into the inner space 11S inside of the first projecting section 11 under the action of fluid pressure inside the internal space 12S of the second protruding section through the gaps between the fibers, oriented in the direction connecting the upper section 12T and the hole 12H. In addition, the wall section 13 has a smaller number of fibers than the upper portions 11T and 12T, and therefore, if the fluid pressure level at which the liquid 51 is accumulated on the second protruding area 12 attached to the wall section 13, the expansion of space between the fibers is reputed to be easier.

In addition, as shown in Fig. 7(3), the amount of liquid 51, which immediately flows from the internal space 12S into the inner space 11S, is great. Therefore, the liquid 51 instantly exceeds the number of Jew�spine, which can be absorbed at the site with the second base weight 32 having a low basic weight and placed on the side of the top absorbent sheet 1 of element 3, and the amount of fluid that can move out of phase with the second base weight 32 to the plot with the first basic weight 31 having a high basic weight, and therefore there is an excess of fluid 52. This excess fluid is accumulated in the concave portions 33 along the surface of the wall section with the first basic weight 31. This concave area 33 has an impermeable bottom layer 2 on the side of the hole (bottom of drawing). Thus, even if the concave side of the hole section 33 is directed downward, the liquid 51 is accumulated in the concave section 33 without leaking, and is distributed in a wide area of the absorbent element 3 along the concave section 33.

In the present invention, parts of the adjacent first and second protruding sections 11 and 12 is located at a position corresponding to the concave sections 33 through the absorbent element 3. Thus, the liquid 51, moved into the inner space 11S of the first projecting section 11, give the configuration that it is easily moved on the concave section 33 through the portion with the second base weight 32 absorbent element 3. More precisely, the step between the first projecting section 11 and the second protrusion�bot Tom section 12 (between the first top 11T and second top 12T) is narrower than the concave section 33 of the absorbent element 3, and therefore, the first and second projecting portions 11 and 12 must be located in a position corresponding to the concave section 33. As a result, fluid entering the first projecting section 11 can be quickly moved to a concave section 33. The liquid is then 51 (excess fluid 52), have been moved to the concave section 33, is distributed in a wide area of the absorbent element 3 along the concave section 33, and is absorbed in the absorbent element 3.

When the number of received even more fluid, as shown in Fig. 8, together with the movement of fluid 51 mentioned above, the liquid 51 is believed to be moved so that it is directly accumulated on the concave section 33, located below the area with the second base weight 32 having a low basic weight. At the same time the station with the second base weight 32 may sometimes be pressed into the direction of the concave side of the section 33 under the pressure of the liquid. The liquid is then 51 remaining in the concave section 33, shall be distributed in the wide area of the absorbent element 3 along the concave section 33, and is absorbed inside the absorbent element 3.

As described above, the liquid 51 is received on the upper sheet 1 is moved quickly from the interior of 11S to the absorbent element 3 through the upper l�PT 1 and is distributed and absorbed.

As a result, the movement of fluid 51 to the upper sheet 1 is restrained and therefore, the side leakage can be prevented. Moreover, even if there is a large amount of fluid 51, the movement of fluid 51 flows immediately from the inner part of the second protruding section 12 to the internal space of 11S on the first projecting section 11 located on the side of the second surface Z2 (rear side) top of sheet 1. Thus, the liquid becomes difficult to stay on the first surface (front surface) side Z1 of the upper sheet 1 and the unpleasant sensations on the skin can be reduced.

Moreover, the density of the top 12T of the second protruding section 12 is higher than the density of the wall section 13. Thus, when there is a large amount of fluid 51, the liquid becomes difficult to leak from the top 12T and, therefore, the liquid 51 can temporarily and easily accumulate in the inner space 11S of the first projecting section 11. Moreover, the density of the upper section 12T higher than the density of the wall section 13, and therefore also can be obtained the advantage of resistance to crushing of the top parts 11T and 12T.

Will be described a preferred embodiment of the stretch of the garment (underwear) of the present invention with the links above�on view in perspective, shown in Fig. 9.

To stretch the garment 100 in the present description the direction of the length of stretch of the garment is defined as Y direction and the lateral direction of stretch of the garment is defined as the X direction, and is also called "around the waist direction."

As shown in Fig. 9, pulled the garment embodiment is, for example, pulls the diaper 100, and has a front section 121, is made so as to wear it around the front of the user, the area of the gussets 113, are constructed to wear it along the crotch area of the user, and the lower portion 123, was made to wear it around the gluteal zone. This pulls the diaper 100 will be described in detail below.

Pulled the diaper 100 includes outer cover 111 is formed by a front section 121 and the lower section 123, and an absorbent core structural element 4, which forms the plot gussets 113.

Outer cover 111 is formed in a cylindrical shape by connecting one end side of A of the front portion 121 and one end side 123A of the lower portion 123, and further by connecting the other edge side 121V of the front portion 121 and the other edge side W lower portion 123.

<> In addition, the area of the gussets 113 includes an absorbent core structural element 4, which forms a bridge between the front section 121 and the lower section 123, and consequently are constructed to wear it along the perineum of the user. Pulls configuration (panties) includes outer cover 111 is formed in a cylindrical shape, and an absorbent core structural element 4, forming the jumper footage gussets 113.

Absorbent core structural element 4, which forms the plot gussets, also extends to a location slightly below the hole for the waist 112 of the outer cover 111 and is fixed to the outer coating 111 on the front section 121 and the rear section 123. Due to this, in the waist region outer cover 111 has a Central region, which is fixed to the absorbent core structural element 4, and two lateral areas on which the absorbent core structural element 4 is not fixed. The above-mentioned "surrounding the waist region" refers to the fact from the top edge of the hole for the waist 112 to position in a downward direction in the length direction (Y direction) near groin the outer part of the thigh.

The above-mentioned outer cover 111 is formed by layering the material of the inner layer 131 and the outer layer material 133 and has lots of odnosno�governmental regions, on which there is one layer of the inner layer 131, at intervals in the length direction (Y direction) of the outer cover 111. The drawing shows a structure in which there is the material of the inner layer in single-layer 131 and the outer layer material 133 is laminated on the material of the inner layer 131 at intervals in the length direction of the outer cover 111.

The scope of layering, where the layered material of the inner layer 131 and the outer layer material 133, has an elasticity in the lateral direction (the X direction) stretch of the diaper 100. The field of layering may have elastic members 135 between the material of the inner layer 131 and the material of the outer layer 133. In this case, each elastic element 135 in its stretched state is inserted between the material of the inner layer 131 and the material of the outer layer 133, and, therefore, has the elasticity. On the other hand, as explained in detail below, either or both the material from the material of the inner layer 131 and the material of the outer layer 133 may be formed of an elastic material.

Examples of sheet materials for the material of the inner layer 131 and the material of the outer layer 133 can include, for example, nonwoven materials, obtained by different production methods, such as received air gasket not�Kano material, nonwoven fabric hot pressing, hydroplanes nonwoven fabric, spunbond nonwoven fabric (spunbond) non-woven material obtained aerodynamic method from the melt; woven materials, knitted materials, resin films and similar materials, used separately and also can be used with sheet materials obtained by combining the layering, etc.

In addition, in particular the material of the inner layer 131 preferably is prepared from a nonwoven material with regard to improve breathability and quality of tissue, and preferably is obtained from a water-repellent nonwoven fabric from the viewpoint of prevention of leakage secreted substances.

Mentioned above pulled the diaper 100 overlays the absorbent core structural element 4 absorbent products in accordance with the present invention to a site of gussets 113, which as a result makes it possible to prevent leakage of fluid and reduce the unpleasant sensations on the skin.

With regard to the above-described embodiments, the present invention also discloses discussed below pulled absorbent products and apparel.

<1> Absorbent article containing a top sheet located on the side in contact with the skin surface, the bottom sheet located on the side�e not in contact with the skin surface, and an absorbent element, inserted between the two sheets,

where the top plate has a first protruding section protruding on the side of the first surface as the feed liquid side and having an interior space and a second protruding section on the side of the second surface as the side opposite the first side surface, and having an interior space, the first protruding portion and second protruding section are alternately and continuously arranged in any order on the whole surface of the upper sheet in each of different intersecting directions on the top view, the second protruding portion has a wall section having a ring structure between its upper part and its hole, and a wall section has properties of fiber orientation in the direction connecting the upper portion of the second protruding section and the hole

where the absorbent element has a first base weight and the station with the second base weight, which has a lower base weight than the basic weight of the plot with the first base weight, and surrounds the area with the first base weight, and is in contact with the top of the second protruding part of the upper sheet, and further has a concave section in the form of a groove, depth from the bottom of the sheet, in the direction� upper sheet, continuing, at least in the longitudinal direction and having a bottom surface formed by the section with the second base weight, and

where at least a portion of adjacent first and second protruding sections is located at a position corresponding to the concave section through the section with the second baseline weight.

<2> the Absorbent product in accordance with paragraph <1>, where a wall section has the properties of a radial orientation of the fibers, which are directed from the upper part of the second protruding section towards the outer surface.

<3> the Absorbent product in accordance with paragraph <1> or <2>, where the fibers are oriented so that they converge to a single point in the direction of the upper part of the second protruding section along the direction of the upper surface of the sheet which extends from the wall section to the second projecting section.

<4> Absorbent product according to any one of items <1>-<3>, where the first protruding portion and second protruding section have an inner space having a truncated cone or hemisphere in rounded top, homothetically to the outer shape of the projecting areas.

<5> Absorbent product according to any one of items <1>-<4> where internal space is isolated by means of a section of rib, soedinjajuwih� adjacent the first top part of the first protruding sections, with the formation of discontinuous spaces.

<6> Absorbent product according to any one of items <1>-<5>, where the surface of the absorbent element on the side of the top sheet is flat.

<7> Absorbent product according to any one of items <1>-<6> where the phase with the first basic weight has a higher density compared to the plot with the second baseline weight.

<8> Absorbent product according to any one of items <1>-<7>, where the density of phase with the first base weight is 0.03 g/cm3or more and 0.50 g/cm3or less.

<9> Absorbent product according to any one of items <1>-<8>, where the density of phase with the second base weight is 0.01 g/cm3or more and 0.15 g/cm3or less.

<10> the Absorbent product according to any of items <1>-<9>, where the wall section has a smaller number of fibers than the upper part of each of the first protruding section and the second protruding section.

<11> Absorbent product according to any one of items <1>-<10>, where the upper part of the first protruding section and the second protruding section have a higher density than the density of the wall section.

<12> Absorbent product according to any one of items <1>-<11>, where the thickness of the wall section less�, as compared to the upper part of the first protruding section and the upper part of the second protruding section in consideration of the thickness of the top sheet in each part of the upper portion of the first protruding section, the upper part of the second protruding section and the wall section.

<13> Absorbent product according to any one of items <1>-<12>, where the thickness of the upper portion of the first protruding section is 0.5 mm or more and 2.0 mm or less, the thickness of the wall section in position on 1/3 of the surface of the skin is 0.1 mm or more and 0.7 mm or less, and the thickness of the wall section in position on 2/3 of the surface of the skin is 0.5 mm or more and 1.0 mm or less.

<14> Absorbent product according to any one of items <1>-<13>, where the mean interfibrillar distance on the section of wall more than interfibrillar spacing in the upper portion of the first protruding section.

<15> Absorbent product according to any one of items <1>-<14>, where the mean interfibrillar distance in the upper part of the first speaker of the plot is 1 μm or more and 40 μm or less.

<16> Absorbent product according to any one of items <1>-<15>, where the mean interfibrillar distance to the wall section is 10 μm or more and 100 μm or less.

<17> Absorbent product according to any one of items <1>-<16>, where the upper part of the second protruding section and the absorbent element is fixed by means of the hot-melt adhesive.

<18> an Absorbent product in accordance with GB�against any of paragraphs < 1>-<17>, where the absorbent element contains three parts in its longitudinal direction,

many of the first concave is located on the first absorbent area, partitioned into the intermediate section, and

each first concave section is located inside the side periphery of the first absorbent portion at the top and is located mainly in the longitudinal direction.

<19> Absorbent product according to any one of items <1>-<18>, where the absorbent element has three parts in the longitudinal direction and includes a first absorbent area, partitioned into the intermediate section, the second absorbing section located on one side of the first absorbent section, and the third absorbent section located on another side of the first absorbent section,

the second concave portion and the third concave section located on the second absorbent section and the third absorbent section, respectively,

and each of the second concave section, and a third concave area located in a direction obliquely to the longitudinal direction.

<20> Pulled the garment having a front section, was made to wear it around the front of the user, the area of the gussets, are constructed to wear it along the crotch area of the user�I, and the lower portion, is made so as to put it around the back side of the user, and the plot of edge of the side portion of the front side and the edge of the side section side section rear sides are connected to form stretch the product, where the absorbent product according to any one of items <1> - <19> placed to the areas of the gussets.

EXAMPLES

Further, the present invention is described in more detail with reference to examples and comparative examples of the absorbent products of the first variant of implementation described above. The present invention is not limited to these examples.

As one example, the absorbent products of the present invention is used pulled the garment 100 shown in above described Fig. 9, and assessed. Pulled the garment 100 includes an absorbent core structural element 4, formed from a top sheet, bottom sheet and an absorbent element positioned between them, in which band-like elastic sheet that serves as the outer cover 11, which extend around the waist direction, is fixed in the areas of the front section and the lower edge of the absorbent core structural element 4, and a band-like elastic sheet is partially connected with the way of thermal welding or ultrasonic method with�arch. Details such stretch garments 100 are the same as described above.

Absorbent core structural element 4 has an external configuration substantially in the shape of an hourglass, having a length of 450 mm, the width of the area of the front edge 180 mm, the width of the area of the lower edge 160 mm and the width of the intermediate portion (Central region, which performs the function of the gussets while wearing) 120 mm, and is formed in the shape in which the bottom sheet is extended, at least in the direction towards the lateral directions of the absorbent element 3 shown in Fig. 5, and the elastic material is located on an extended part directly or in the form of another sheet material to provide a function against leakage. In addition, to form the diaper in the form described above is shown in Fig. 9, the composite sheet material is formed by placing a plurality of threadlike elastic elements in the direction of width between spunbond nonwovens, used as a band-like elastic sheet on sections of the front and bottom edges (corresponding to Fig 3B. 5) absorbent core structural element, to permit the reduction or loss of elastic functions due to the cutting or fixation of elastic stiffness element or similar element on the mounting part (t�ausasia part) with absorbent main structural element 4.

Different types of evaluations described below were performed using an absorbent element in the condition in which the side elastic function of the absorbent core structural element is lost due to the trimming or removal.

Example 1

Use the top sheet 1, on which the first protruding parts 11 and second projecting portions 12 are arranged, as shown in Fig. 2, and the step between the first protruding portions 11 and the second protruding sections 12 is 4 mm. the Top sheet is formed of concave-convex non-woven fabric obtained by weaving at the stage of carded BATT, then the formation of the material obtained in the state bed in a concave-convex shape and the method of gaskets for air treatment with hot air. For fibers using fiber DAIWABO NBF (SH) (2.2 dtex × 51 mm), subjected to hydrophilic surface treatment oil for fibers.

For the lower sheet 2 is used vlagopronitsaemym (18 g/m2) a sheet made of polyethylene.

In the case of the absorbent element 3 use absorbent element shown in Fig. 5(2), in which a cellulose fiber and an absorbent polymer placed in a mixed state in the form in which the stations with the first base weight 31, which is a rectangular plots with high basic weight, RAS�orogeny in the lattice configuration of steps in the intermediate segment, cellulose fiber and absorbent, placed as described above, is inserted from the side of the upper sheet 1 and the lower sheet 2, using two absorbent sheets (16 g/m2), which in a spiral shape was located the hot-melt adhesive in a large number of bands without overlapping with each other, to regulate to a desired thickness.

In addition, the top sheet 1 and bottom sheet 2 unite by using the hot-melt adhesive absorbent element 3 with the receipt of a sample for evaluation. The width of the plot with the second base weight 32, which is the plot with the lowest base weight (the width of the concave (lower) phase, continuing in the longitudinal direction), adjust so that she was 5 mm in both.

Example 2

In example 2, the sample is carried out in the same manner as in example 1, except that the configuration of the absorbent element carry out so that it was a configuration where two lot lines with the second base weight of 32, representing areas with low basic weight, were stretched in the longitudinal direction, as shown in Fig. 5(1).

Example 3

In example 3, the sample is carried out in the same manner as in example 2, except that the configuration of the absorbent element 3 carry out so that he had 10 mm in width on a site with low basic weighing to�nfiguration, in which two lines with the second base weight of 32, representing areas with low basis weights, stretched in the longitudinal direction, as shown in Fig. 5(1).

Example 4

In example 4, the top sheet and the absorbent element, which is used, converted to the configuration shown in Fig. 3, and the step between the first protruding portions 11 and the second protruding sections 12 (a step between the first upper portions 11T and second upper portions 12T) is 7.5 mm. the sample is carried out in the same manner as in example 2 except the above.

Comparative example 1

For top sheet obtained using air gasket flat non-woven fabric obtained by using the stage of carding (Lac) and stage air gasket, using fibers, DAIWABO NBF (SH) (2.2 dtex × 51 mm), subjected to hydrophilic surface treatment oil for fibers, in the same manner as in example 1. For the lower sheet 2 is used vlagopronitsaemym (18 g/m2) sheet made from polyethylene. For absorbing absorbent element 3 element, which is usually used is a cellulose fiber and an absorbent polymer placed in a mixed state so as to form a flat configuration without grooves, prepared in accordance with the external form and techniques in the same way, as in when�1'ere. In addition, the top sheet 1 and bottom sheet 2 unite by using the hot-melt adhesive absorbent element 3 with the receipt of a sample for evaluation.

Comparative example 2

In comparative example 2, the upper sheet 1 is used non-woven material (with clipping in the form of grooves-grooves), the obtained three-dimensional clipping, as disclosed in the publication JP-A-08-302555, the top sheet 1 of comparative example 1. The width of the notch is adjusted so that it was 53 mm (21 a number of holes). Get sample carried out in the same manner as in comparative example 1 except the foregoing.

The following describes the measurement methods and evaluation methods.

The apparent thickness T1 of the upper sheet

The apparent thickness T1 of the three types in the upper sheet can be measured by examining the state of the cross-sectional portion located between the first top second top. Before examining the cross-sectional thickness at 0.5 g/cm2in the five areas measured, using a device for compression testing of a KES-G5 Handy-type (trade name) manufactured by KATO TECH CO. LTD, get the average value, maximum value and minimum value. For measurement use measurement program and the measurement conditions set the following:

Sample: paper, tape;

Sensitivity: 1;

Load in the measurement: 1 g/cm 2;

The maximum load in the measurement of: 50 g/cm2;

Speed range: 0,02 cm/sec;

Various (DFE) adjust the sensitivity depending on the top sheet, 2 mm or more and 20 mm or less.

Then the top sheet 1 is cut using a razor with one blade edge (SKU FAS-10) manufactured by FEATHER Safety Razor Co., Ltd., get a cross section of the top sheet 1. Then open the cross-section increases and studied using scanning electron microscope (model number JCM-5100) manufactured by JEOL Ltd. Cross section data is converted to image or printed information, and conduct a virtual line on the side of the friction surface on the upper surface of the first upper portion 11T, and conduct a virtual line that is parallel to the first side of the absorbent element 3 on the top surface of the second upper portion 12T, measure the minimum distance between parallel hypothetical lines, length of perpendicular from one virtual line to another virtual line), and the result of measurement taken for the apparent thickness of the sheet. Based on the study of enlarged cross-sectional allocate part of the ridge 14 to measure the apparent thickness of the top sites 11T and 12T and the height of the Cup HC. The rate is measured in three or more places, and it is t�t, where the average value of the apparent thickness of the sheet being in the range (minimum value - maximum value), which is obtained when measured using a KES-G5, as is appropriate.

A method of measuring the thickness of the top sheet

The measurement is performed by examining the increase when using the above described scanning electron microscope in the same manner as described above for the apparent thickness of the sheet. In the example of the first projecting section 11 thickness obtained by the measurement for the thickness of the sheet so that it was minimal between the surface side in contact with the skin, the upper portion 11T of the first projecting section 11 and the surface of the lower sheet 3 opposite her. The measurements are carried out similarly to the second protruding block 12. As for the wall section 13, the measurement should be performed on the curved portion and the inclined directional line upper from the top of 11T. Thus, the average value is taken as the thickness of the wall section 13, using the value measured as the thickness of the sheet in the direction perpendicular to the wall section 13 to the side in contact with the skin surface at 1/3 height from the side in contact with the skin surface at the height of the Cup HC, and the value, measurements�Noah as the thickness of the sheet in the direction perpendicular to the wall section 13 to the side in contact with the skin surface to 2/3 of the height from the side in contact with the skin surface at the height of the Cup HC. Position the height of 1/3 and 2/3 in the upper sheet can be determined using a positioning method by connecting the enlarged images of the first projecting section 11 and the second protruding block 12 of the top sheet 1 so that they become a single image, or method of determining the measured position from a full image of the first projecting section 11 and the second protruding section 12 for measuring the thickness of the enlarged image.

Interfibrillar distance

Interfibrillar spacing in the first upper portion 11T and the wall section 13 is measured by using the above scanning electron microscope to obtain an increase of the planar image. The first top 11T increase gain in the direction of the perpendicular from the lateral surface of the upper sheet 1 and the wall section 13, the position at 1/3 the height of the Cup HC increases from the inclined direction of the upper side of the sheet 1 (the direction perpendicular to the line of the wall section 13). When measuring the magnification is adjusted so that it was 50-fold or more and 300 times or less, and in the field, surrounded by fibers within a rectangular area, the number of measuring sections using image analysis adjusted to 20 or more and 60 or less, and preferably 30 or more and 50 or less. In anastasimatarion the measurement is performed in the actual measurement of 700 μm ×500 μm. In the analysis of the image region of 0.5 mm2or less than the actual measurement is excluded from the measurement of the number and the inter-fiber distance as microscopic fibrous structure. In the analysis of the image using the system Image-Pro Plus 6.2 Installation produced by Roper Industries, Inc., and a value corresponding to the diameter of the circle, counting from the area between the individual fibers, eliminating fiber, and take over the interfibrillar distance. Measurement and calculations carried out in three places in the top parts 11T, 12T and on the wall section 13, and the average value is taken for interfibrillar distance. In addition, during the measurement, the inter-fiber distance of the object are all measurable fibers from the upper sheet to the lower sheet 3. However, when the contour of the fiber to determine an area surrounded by fibers, visible partly, but not fully visible fibers are not used to measure the inter-fiber distance, and fibers that are not visible entirely, eliminate. Moreover, when an image or printed information are not sufficient banalization, picture or printed information to adjust a measurable state, and then measure the interfibrillar distance.

Moreover, by measuring the inter-fiber status relative to�þ the number of segments 40 μm or more is calculated in percent.

Fiber orientation

The orientation of the fibers is determined by increasing the first upper portion 11 and the wall section 13 to the planar image in the same manner as when determining the inter-fiber distance, and using the program for image processing NewQube (trade name) Nexus Corporation and banalitatii image. Then using analysis of fiber orientation, Fiber Orientation Analysis 8.13 Single (the name of the software) that determine the orientation angle and the stability of the orientation of minorityowned image. As the upper part 11 and the wall section 13 is measured with the same increase in the number of measured intervals, which is close to the field during the measurement described above, the inter-fiber distance. In the case where the contour of the fibers has a lot of unseen places, the measurement can also be conducted by clarifying parts of the fibers using the above-described image analysis. Moreover, the measurement is performed on the adjacent wall section 13 in the direction (direction of 90°±45°), orthogonal to the transverse direction of the top sheet 1 in the first top portion 11T. The wall section 13 is measured by taking the vertical direction (orientation angle 90°) virtual direction connecting the first upper portion 11T and the second top portion 12T of the perpendicular direction on the surface Uch�atcb wall of the upper sheet, and for the first top 11T transverse direction of the top sheet 1 is taken for the vertical direction (orientation angle 0°).

Method for measuring absorbent

The thickness of the absorbent element 3 is measured using a noncontact laser displacement sensor manufactured by KEYENCE Corporation (laser head LK-G30, the displacement sensor LK-GD500 (trade name)). The pressure during the measurement set at 2.5 g/cm2. Measure two or more samples and determine the average value.

In addition, the absorbent element 3 having a section with first base weight 31 and the station with the second base weight 32, the ratio of the squares of the concave section is measured using the above-described image analyzer by measuring the width of the concave portion (the lower portion) and construction of the full image. In addition, measurement is also possible by combining partial images.

Method for measuring absorbency properties (properties of the liquid distribution)

A cylinder having an inside diameter of 35 mm, is placed on the Central portion in the longitudinal direction and the Central portion in the transverse direction of the absorbent element 3, and with the retention of fluid at a height of 10 mm from the position of the absorbent element 3, which is injected in liquid, 40 g fiziologicheskogo� solution colored with red No. 2, having a concentration of 0.005%, is injected into the cylinder as a liquid. Acrylic panel, having a size that covers the entire item (thickness 5 mm, length 250 mm, width 100 mm), are placed on the bottom of the cylinder.

The size distribution of the liquid is measured 10 minutes after fluid administration.

The size distribution is determined by replicating the painted portion of the absorbent element 3 on OHP film and carrying out image analysis system using Image-Pro Plus 6.2 Installation produced by Roper Industries, Inc.

The measurement results show that the efficiency of use of the absorbent element 3 above, since the area of the liquid distribution.

Method of measurement baseline weight

The base weight is determined by cropping phase (material top surface, the absorbent element, the area with high basic weight, the site with low baseline weight) that you want to measure, to a size of 10 cm × 10 cm, and determine the mass of the parcel. In addition, the site does not allow you to crop it to a size of 10 cm × 10 cm, cut to size 2 cm × 2 cm and determine a baseline weight.

Method of measuring density

The density is determined by measuring the basis weight of the area that needs to be measured, using the above method and by dividing the measured values �and thickness, obtained by the method described above.

Evaluation of adhesion between the top sheet and absorbent

Each sample for evaluation described above, cut to a rectangle with a width of 50 mm and 250 mm in the Central region in the longitudinal direction at the Central region in the width direction. One section of the region in the longitudinal direction is divided into over 50 mm on the top sheet 1 and the absorbent element 2 and measure the strength exfoliation using a testing machine Tensilon (RTA100 (trade name) manufactured by ORIENTEC Co. Ltd), clamping the top plate on the split part at the upper side of the clamp, and clamping the absorbent element 3 and the bottom sheet on the split part at the lower side of the clamp. In addition, the measurement is performed with the distance between the clamps of 50 mm and the speed of measurement of 50 mm/minute. Average maximum values for the five top places in the distance between the clamps 60 mm or more 160 mm or less taken for strength at peeling. Adhesive properties evaluate And, when the strength at peeling is 0.1 mV or more and 50 mV or less, and other options give a rating C.

The measurement results and the evaluation results described above, the estimated positions is presented in table 1.

td align="left" namest="c0" nameend="c2">
Table 1
Example 1Example 2Example 3Example 4
Top sheetNon-woven
material
The formation ofA method of carding (Lac)A method of carding (Lac)A method of carding (Lac)A method of carding (Lac)
Breathable non-woven materialBreathable non-woven materialBreathable non-woven materialBreathable non-woven material
FormConcave-convex shapeConcave-convex shapeConcave-convex shapeConcave-convex shape
EntirelyBasic weight (g/m2)303030 30
The apparent thickness T1 (mm)2,12,22,25,6
Cup's height HC (mm)1,41,31,54,8
Plot
wall
Interfibrillar distance (μm)26242730
A proportion of the number of measured samples with interfibrillar distance of 40 μm or more (%)14161224
The orientation angle (°)93908782
Sustainability orientation1,411,401,381,31

Actual thickness (mm) positioned at 1/3 on the side of the skin0,50,40,60,6
Actual thickness (mm) positioned at 2/3 on the side of the skin0,60,50,81,0
The upper portion of the first protruding sectionApparent thickness (mm)0,70,90,80,8
Interfibrillar distance (μm)11121013
Actual thickness (mm)1,10,91,31,8
A proportion of the number of measured samples with interfibrillar distance of 40 μm or more (%)0000
The angle of�mentali (°) 26294031
Sustainability orientation1,371,321,291,19
The upper partPitch (mm) between the first and second top parts4,04,04,07,5

Table 1 (continued)
Comparative example 1Comparative example 2
Top sheetNon-woven
material
The formation ofA method of carding (Lac)A method of carding (Lac)
Breathable non-woven materialBreathable non-woven material
FormFlatEntirelyBasic weight (g/m2)2525
The apparent thickness T1 (mm)0,40,9
Cup's height HC (mm)--
Plot
wall
Interfibrillar distance (μm)1213
A proportion of the number of measured samples with interfibrillar distance of 40 μm or more (%)57
The orientation angle (about)--
Sustainability orientation--
Actual thickness (mm) positioned at 1/3 on the side of the skin--
Actual thickness (mm) positioned at 2/3 on the side of the skin--
The upper portion of the first protruding sectionApparent thickness (mm)--
Interfibrillar distance (μm)-13

Actual thickness (mm)--
A proportion of the number of measured samples with interfibrillar distance of 40 μm or more (%)-5
The orientation angle (°)--
Sustainability orientation--
The upper partPitch (mm) between the first and second top parts--

Table 1 (continued)
Example 12nd example Example 3Example 4Will compare. example 1Will compare. example 2
Absorbent elementThe configuration of the position concave portion (groove)Lattice configuration stepsTwo lines in the longitudinal directionTwo lines in the longitudinal directionTwo lines in the longitudinal directionFlatFlat
EntirelyBasic weight (g/m2)435460410460430430
The ratio of cellulose/SVP (SAP)1/1,51/1,51/1,51/1,51/1,51/1,5
Thickness (mm)4,03,84,13,9 3,93,9
The plot with the first base weight (plot with high basic weight)Basic weight (g/m2)520520520520--
Density (g/cm3)0,130,140,130,13--
Thickness (mm)4,03,84,13,9--
The station with the second base weight (the site with low basis weights)Basic weight (g/m2)100100100100--
Density (g/cm3)0,050,050,040,06 --
Thickness (mm)2,01,92,31,8--

The width of the plot with low basic weight (mm)
(The width of the concave section, continuing in the longitudinal direction)
55105--
Convex portionThe height of the concave portion (mm)2,01,91,82,1--
The ratio of concave (%)20152615--
The structure of the productAdhesion between ve�hnim sheet and an absorbent element AAAAA
AbsorbencyThe size distribution (cm2)160160175160152150

The RESULTS OBTAINED IN EXAMPLES

As can be seen from the evaluation results shown in table 1, the following results are obtained.

In examples 1-4 the orientation angle of the wall section is in the range 82° or more and 93° or less for all areas of the wall, showing the properties of the fiber orientation in the direction connecting the upper portion of the second protruding section and the holes. Moreover, the strength at peeling is in the range from 0.1 mV or more and 50 mV or less, and the adhesion properties between the top sheet and an absorbent element in the estimation of A.

In example 1 the size distribution of the liquid is large in comparison with the areas of comparative examples 1 and 2, and therefore the absorption of liquids secured in the larger region of the absorbent element 3 and efficiency, as installed, is �more high. Moreover, the existence of phase with the second base weight 32 having a low base weight both in the longitudinal and in the transverse direction of the absorbent element 3 in the region of the gussets, contributes to elastic bending in both directions. As a result of adjoining properties to the human body improve. Thus, when the sample for night use pads or diapers, which offers a large amount of bleeding, for example, the properties of the fit are improved, which enables to reduce the discomfort while wearing, even in a state with a large number of cellulose fibres or MRAs (SAP) and thick absorbent element 3.

In example 2, the size distribution is more fluid in comparison with the squares of the liquid distribution in comparative examples 1 and 2, and, consequently, the efficiency of use of the absorbent element 3 is also improved. Consequently, the liquid becomes difficult to accumulate in the injection site, resulting in discomfort in the neighbourhood of the point of injection is reduced, making it possible to prevent side leakage. Moreover, the station with the second base weight 32 having a low basic weight, absorbent element 3 in the area of the gussets, is directed only in the longitudinal direction, and therefore the absorbent element 3 becomes difficult to destroy, for example, in �day time when movements are frequent, as well as the existence of the plot with low basis weights in the direction of the width causes less noise when walking, which should lead to a weakening of discomfort to the user.

In example 3, the size distribution is more fluid in comparison with the squares of the liquid distribution in comparative examples 1 and 2, and, consequently, the efficiency of use of the absorbent element 3 is also improved. Moreover, the station with the second base weight 32 having a low basic weight, absorbent element 3 in the area of the gussets, is directed only in the longitudinal direction and has a large area, and therefore, the properties of the liquid distribution on the section of the grooves (concave section 33) is also improved. As a result, the efficiency of use of the absorbent element 3 is also improving, leading to a reduction in the number of cellulose fibers and superficiales polymer (SAP SAP) with the same indicators of a leak. Moreover, a region with high base weight (the station with the first base weight of 31) absorbent element 3 is small on the site gussets while wearing and, consequently, discomfort when moving further reduced. Therefore, we can say that the sample is acceptable as a daily strip or diaper for highly active �a couple of hundred tombs in the later months of age.

In example 4, the apparent thickness of the upper sheet 1 is larger, so the gap between the absorbent element 3 and the skin is increased, and the adhesiveness and tenacity. Thus, a feeling of dryness, as I believe, should be improved with the use in the standing position in the daytime. In such cases, the sample is considered as acceptable for daily pads or diapers for highly active children at the later months.

Although the invention is described relative to the embodiments and examples, the invention is in no way limited to the details of description, unless stated specifically, but rather should be construed broadly within the essence and scope that are installed in the attached claims.

This application claims the priority of patent application No. 2011-286764 directed for consideration in Japan on December 27, 2011, which is entirely incorporated by reference.

The LIST of SIGNS

1 - Top sheet

2 - the Bottom sheet

3 - Absorbent

11 - the First protruding section

12 - Second protruding section

11H, 12H - Hole

11S, 12S - Inner space

11T, 12T - Top

13 - a wall Section

31 - Phase with the first base weight

32 - the station with the second base weight

33 - Concave plot

X - first

Y - the second area

W third n�the Board

Z1 - the first side surface

Z2 - side second surface.

1. Absorbent article containing a top sheet located on the side in contact with the skin surface, the bottom sheet located on the side not in contact with the skin surface, and an absorbent element located between the two sheets,
the upper sheet has a first protruding section protruding on the side of the first surface as the feed liquid side and having an interior space and a second protruding section on the side of the second surface as the side opposite the first side surface, and having an interior space, wherein the first protruding portion and second protruding section are alternately and continuously arranged on the surface of the top sheet in each of different intersecting directions on the top view, the second protruding portion has a wall section having a ring structure between its upper part and its hole, and the wall section has properties of fiber orientation in the direction connecting the upper portion of the second protruding section and the hole,
wherein the absorbent element has a first base weight and the station with the second base weight, which has a lower base weight than the basic weight of the plot with the first base weight, � surrounds the plot with the first base weight, and is in contact with the top of the second protruding part of the upper sheet, and further has a concave section in the form of a groove, depth from the bottom of the sheet in the direction of the upper side of the sheet, continuing at least in the longitudinal direction and having a bottom surface formed by the section with the second base weight, and
thus, at least parts of the adjacent first and second protruding sections is located at a position corresponding to the concave section through the section with the second baseline weight.

2. Absorbent article according to claim 1, wherein the wall section has the properties of a radial orientation of the fibers, which are directed from the upper part of the second protruding section toward the outer surface.

3. Absorbent article according to claim 1 or 2, where the fibers are oriented so that they converge towards the upper part of the second protruding section along the direction of the surface of the top sheet, which extends from the wall section to the second projecting section.

4. Absorbent article according to claim 1 or 2, wherein the first protruding portion and second protruding section have an inner space having a truncated cone or hemisphere in rounded top, homothetically to the outer shape of the projecting areas.

5. Absorbent article according to claim 1 or 2, where each�th of the internal spaces of the first protruding section and the second protruding section is isolated by means of a section of rib connecting adjacent first upper portion of the first protruding sections, with the formation of discontinuous spaces.

6. Absorbent article according to claim 1 or 2, where the surface of the absorbent element on the side of the top sheet is flat.

7. Absorbent article according to claim 1 or 2, where the plot with the first basic weight has a higher density compared to the plot with the second baseline weight.

8. Absorbent article according to claim 1 or 2, where the density of phase with the first base weight is 0.03 g/cm3or more and 0.50 g/cm3or less.

9. Absorbent article according to claim 1 or 2, where the density of phase with the second base weight is 0.01 g/cm3or more and 0.15 g/cm3or less.

10. Absorbent article according to claim 1 or 2, where the wall section has a smaller number of fibers than the upper part of each of the first protruding section and the second protruding section.

11. Absorbent article according to claim 1 or 2, where the upper part of the first protruding section and the second protruding section have a higher density than the density of the wall section.

12. Absorbent article according to claim 1 or 2, where the thickness of the wall section is smaller in comparison with the upper part of the first protruding section and the top of the second projecting portion relative to the thickness of the top sheet in each part of the top of the first made�surrounding area, the upper part of the second protruding section and the wall section.

13. Absorbent article according to claim 1 or 2, where the thickness of the upper portion of the first protruding section is 0.5 mm or more and 2.0 mm or less, the thickness of the wall section in position on 1/3 of the surface of the skin is 0.1 mm or more and 0.7 mm or less, and the thickness of the wall section in position on 2/3 of the surface of the skin is 0.5 mm or more and 1.0 mm or less.

14. Absorbent article according to claim 1 or 2, where the mean interfibrillar distance on the section of wall more than interfibrillar spacing in the upper portion of the first protruding section.

15. Absorbent article according to claim 1 or 2, where the mean interfibrillar distance in the upper part of the first speaker of the plot is 1 μm or more and 40 μm or less.

16. Absorbent article according to claim 1 or 2, where the mean interfibrillar distance to the wall section is 10 μm or more and 100 μm or less.

17. Absorbent article according to claim 1 or 2, where the upper part of the second protruding section and the absorbent element is fixed by means of the hot-melt adhesive.

18. Absorbent article according to claim 1 or 2, where the absorbent element contains three parts in its longitudinal direction,
many of the first concave is located on the first absorbent area, partitioned in time ever�tion plot,
and each first concave section is located inside the side periphery of the first absorbent portion at the top and is located mainly in the longitudinal direction.

19. Absorbent article according to claim 1 or 2, where the absorbent element contains three parts in the longitudinal direction and includes a first absorbent area, partitioned into the intermediate section, the second absorbing section located on one side of the first absorbent section, and the third absorbent section located on another side of the first absorbent section,
the second concave portion and the third concave section located on the second absorbent section and the third absorbent section, respectively,
and each of the second concave section, and a third concave area located in a direction obliquely to the longitudinal direction.

20. Putting on a garment having a front section, designed to be worn around the front side of the user, the area of the gussets, are constructed to carry it along the crotch area of the user, and the lower portion, made so as to wear it around the back side of the user, and the plot of edge of the side portion of the front side and the edge of the side section side section rear sides are connected to form the product stretch t�PA where the absorbent product according to any one of claims. 1-19 placed to the areas of the gussets.



 

Same patents:

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FIELD: personal use articles.

SUBSTANCE: disposable diaper contains a back and a front parts, an absorbing element, a belt flap and a hydrophilous sheets set. The hydrophilous sheets set includes an inner hydrophilous sheet and an outer hydrophilous sheet; the inner hydrophilous sheet and the outer hydrophilous sheet are in the belt zone containing a zone overlapping the belt flap edge and the absorbing element end. The belt flap having an outer hydrophilous sheet and an inner hydrophilous sheet additionally contains a belt elastic element fixed in the flap in a condition wherein the belt elastic element is stretched in a cross direction of the disposable diaper so that the flap forms frills. The outer hydrophilous sheet has higher liquid absorbing capacity than the inner hydrophilous sheet and contains two outer hydrophilous sheets where the belt elastic elements are positioned between the said two outer hydrophilous sheets; the outer hydrophilous sheet passes from the belt flap edge beyond the absorbing element end and ends over the absorbing element.

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7 cl, 13 dwg

FIELD: medicine.

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7 cl, 1 tbl

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20 cl, 1 dwg, 4 ex, 9 tbl

FIELD: medical engineering.

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9 cl, 1 dwg

FIELD: medical engineering.

SUBSTANCE: device has flat applicator base, removable base and inlay placed between them for covering given surface. Applicator base has gripping mechanism and its internal surface has adhesive means. The flat strap has the first surface and the second surface having adhesive means. The flat removable base has gripping mechanism and its internal surface. The adhesive means covering internal surface of the applicator base detachably attaches the first strap surface to the internal surface of the applicator base making up in this way the first splittable connection forming thus combination of the applicator base and inlay having upper surface. The removable base is detachably attached to the upper surface of the combination forming in this way the second splittable connection so that strength of the first splittable connection is higher as that of the second one. The strap has also peripheral lateral border having frontal edge placed near the capturing means of the removable base, back edge being remote from the capturing means of the removable base and free edge. The adhesive means on the internal surface of the applicator base has adhesive area having adhesive contact zone having contact zone of the frontal edge and contact zone of the back edge. The frontal edge and contact zone gives frontal edge attachment to the internal surface of the applicator base. The back edge contact zone gives back edge attachment to the internal surface of the applicator base.

EFFECT: enhanced effectiveness in applying strap without twisting the treated surface; easy removal of detachable member.

12 cl, 4 dwg

FIELD: medical engineering.

SUBSTANCE: device has liquid-permeable porous lining that is to be placed on or in a wound, flexible plastic film having a set of holes distributed over its surface, liquid-impermeable film napkin and connection means. The porous lining has foamed polymer material having interconnecting cells. The plastic film makes contact with porous lining surface and is between wound surface and the lining when used. The film napkin is placed above the porous lining and is sticky along its perimeter to provide sealing in skin area surrounding the wound. The connection means passes through the film napkin and communicates to porous lining via liquid flow for making connection to negative pressure source for stimulating fluid flow discharged from the wound. Another embodiment has removable wound bandage usable in particular for treating large wounds requiring draining fluids. It has the first porous lining, the second porous lining, elastomer envelope, film napkin and tubular connection means. The first liquid-permeable porous lining contacts the wound and has foamed lining having foamed material based on polymer built of interconnecting cells and isolated transverse holes. The elastomer envelope has the first and the second sheets of elastomer film soldered along their periphery and enveloping said foamed lining. Each of the first and the second elastomer film sheets has spaced-apart holes. The holes in the second sheet are justified with said spaced-apart holes in the first sheet. The second liquid-permeable porous lining is to be placed under the first porous lining. It has foamed polymer material having interconnecting cells. The liquid-impermeable film napkin is placed above the second porous lining. The first porous lining is placed above the wound. The film napkin is sticky along its perimeter to glue the napkin to skin area surrounding the wound. The tubular connection means passes through said film napkin and communicates to porous lining via liquid flow for making connection to negative pressure source for stimulating fluid flow discharged from the wound. The third embodiment has the first elastomer film sheet having spaced-apart holes deviated from spaced-apart holes in the foamed lining. The second elastomer film sheet has spaced-apart holes adjusted to the spaced-apart holes in the foamed lining.

EFFECT: simplified usage; accelerated wound healing.

15 cl, 3 dwg

FIELD: medicine, in particular, means and methods for closing of wound or incision.

SUBSTANCE: dressing has first flat flexible component with adhesive layer on its lower surface and number of first elongated connection members extending in first direction from one of edges of said component, second flat flexible component with adhesive layer on its lower surface and one or more second elongated connection members extending in second direction substantially opposite to said first direction, from one of edges of said component, first tension member joined with first elongated connection members, second tension member joined with second elongated connection members, means for attachment of first elongated connection members on second flat flexible component, and means for attachment of second elongated connection members on first flat flexible component. Elongated connection members are spaced from one another by distance sufficient for positioning of first flat flexible component relative to second flat flexible component in a manner allowing edge of first flat flexible component to be arranged in parallel with edge of second flat flexible component during closing of wound or incision. Method involves attaching first flexible component of dressing with its lower surface on patient's skin surface along first edge of wound, and attaching second flexible component with its lower surface to patient's skin surface along second edge of wound; simultaneously tightening first and second tension members for closing of wound or incision; fixing first elongated connection members on second flexible component and fixing second elongated connection members on first flexible component.

EFFECT: simplified and convenient method and dressing for closing of wound or incision ensuring invasion-free or less traumatic closing of wound of incision.

20 cl, 6 dwg

FIELD: medicine, in particular, manufacture of plaster bandages used in traumatology and orthopedics.

SUBSTANCE: method involves applying ground hemihydrate plaster to base and fixing said plaster thereon; using multilayer base; preliminarily applying ground hemihydrate plaster onto each layer of said base; applying layers onto each other and fixing plaster on base; rolling base and placing resultant base roll into plaster fixing enclosure and further into tight package, which fixes shape of article.

EFFECT: provision for producing of high-quality and high-strength article convenient in use.

FIELD: medical equipment; traumatology; orthopedics.

SUBSTANCE: band can be used for restoring functions of joints after joint or near-joint breaks. Tautness metering band has to be bandage aid used for applying splints or semi-rigid bands. Tautness metering band has semi-rigid rubber-tissue band onto which tautness-metering plate with electrical resistance strain gauges glued to the plate, which resistance strain gauges are integrated into bridge circuit for connection to controller.

EFFECT: widened functional abilities.

1 dwg

FIELD: medicine.

SUBSTANCE: bibulous underwear-type garment has curved cuffs for legs to provide fitting followed by sealing. Main item of bibulous garment has first and second holes for leg with curved slits of main item. Connected part is disposed between first and second parts of any elastic strands. Connected parts are connected with first and second holes intended for placing legs along external circuit of curved slots to form finished seams. Involute ends can be formed at second parts of elastic strands.

EFFECT: better fitting and comfort; better esthetic looks.

29 cl, 8 dwg

FIELD: medical engineering.

SUBSTANCE: device has textile cotton stockinet of 110-210 g/m2 saturated with aqueous solution of polyethylene glycols having molecular weight of 200-2000 and antiseptic and anesthetic drugs. Substrate bears polyethylene glycols 10-50 mg/cm2; antiseptics 0.03-1.0 mg/cm2; anesthetics 0.05-1.2 mg/cm2. Sorption layer is produced above the treatment layer, the former being fabricated from nonwoven fabric to secure bandage sorption power at the level of 10g/g. Textile drug carrier is optionally cotton gauze of 150-250 g/m2 and mesh dimensions of at least 1.5x1.5 mm. Chlorhexidine, Furagin, Iodopironum, povidone-iodine, Quinosol, or Dioxidine are taken as the antiseptic drugs. Lidocaine, Dicaine, Anylocine, and Trimecaine are taken as the anesthetic drugs. Fabric perforation is produced as through canals which total area makes up 20-40% of the whole treatment layer area.

EFFECT: improved sorption and atraumatic features.

5 cl, 1 tbl

FIELD: medicine, in particular, suction systems for manufacturing personal hygiene articles.

SUBSTANCE: suction system has suction material located within extendable layer. Second outer layer may be located at side opposite extendable layer. At least one of outer layers should be moisture-permeable. Said layers may be joined with one another through patterned connection. Suction system may be manufactured from one layer or plurality of layers and may be made as, for example, laminated materials formed by pulling to form necking, laminated materials formed by pulling to form necking, laminated materials formed by pulling, and laminated materials formed by pulling with zero extension. Additional layer may be provided within structure, said layer being adapted for enabling capillary suction. Said suction system is suitable for employment in personal hygiene articles such as napkins, sportive trunks, clothing for individuals suffering incontinence, women's personal hygiene articles.

EFFECT: improved suction and distribution capacity of suction article wherein sufficient effectiveness of supersucking layer in capillary suction is kept.

21 cl, 2 ex

FIELD: medicine.

SUBSTANCE: thin, elastic, highly absorbing pad has high concentration of superabsorbing material uniformly mixed with fluffed-up cellulose pulp. Method involves subjecting absorbing pad to compaction to provide for high density, low thickness and high absorbing capacity thereof. Absorbing pad may be used in absorbing articles such as nappies, trunks, including swimming trunks, individual hygiene articles for women, and also articles for incontinence suffering people.

EFFECT: improved quality of articles using absorbing pads and wider range of usage.

22 cl, 12 dwg, 4 tbl, 5 ex

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