Braiding and lace-making and knitting and trimmings and non-woven fabrics (D04)

D   Textiles; paper(37568)
D04            Braiding; lace-making; knitting; trimmings; non-woven fabrics(4335)

Composite otter // 2629174
FIELD: textile, paper.SUBSTANCE: three-dimensional nonwoven cloth warmer made from a fiber mixture containing natural and polyester fibers, characterised in that the composition of a natural organic product contains - natural goose down 80%, goose feather - up to 10%, polyester hollow fiber in 10% of the composition, bonded with a colloidal binder in an amount of not more than 7% of the total weight of the fiber composition with a total fulfilment of 728.7-767.0 Fill Power.EFFECT: increasing the moisture resistance of the complex material due to the presence of polyester fibers in its composition at a general level of elasticity, equivalent in the permissible range of variation in the elasticity of a completely natural insulator based on down and feather.1 dwg

Adsorption non-woven material in particular to adsorb petrochemicals from liquid substances and/or to adsorb odorants from gas phases with at least one spunbonded non-woven material and its manufacture method // 2626993
FIELD: textile, paper.SUBSTANCE: adsorption non-woven material, its manufacture method, in particular to adsorb petrochemicals from liquid phases and/or to adsorb odorous substances from gas phases, comprising at least one non-woven material (2). Where on at least one surface of the non-woven material (2) a polymer is applied which contains at least one adsorbing material as a filler, and this adsorption substance has micropores and/or mesopores and/or macropores, where the surface of the non-woven material (2) covered with the polymer of the nonwoven material (2) is covered with at least one non-woven cover material (7) which is connected to the non-woven material (2) and/or polymer.EFFECT: improved material properties.9 cl, 1 dwg
Dispersing non-woven material // 2626936
FIELD: textile, paper.SUBSTANCE: invention describes a method to make a dispersing non-woven substrate in an aqueous medium, including: a) making an aqueous non-woven binder comprising a selected emulsion polymer, where the polymer has been modified with a compound containing a trisubstituted atom N, the compound value is in pKb from 4 to 7; b) interreacting of a non-woven substrate with an aqueous non-woven binder; c) heating the interreacting non-woven material at the temperature from 120 to 220°C; and d) immersing the interreacting heated non-woven material into an aqueous medium with a finite value of pH<5. The invention also describes a dispersing non-woven substrate in an aqueous medium, made with the said method, and a method for getting a dispersing non-woven material in an aqueous medium.EFFECT: improved material properties.4 cl, 3 tbl

Packaging for goods // 2625930
FIELD: packaging industry.SUBSTANCE: each of the fibers plurality contains the plurality of fibrils, extended outward from the fibers surface in the central longitudinal third of the fibers, at that the fibrils plurality contains the plurality of wet carboxethyl ester, characterised by the melting point above 35°C, and wherein the plurality of fibers does not contain the drop shaped clusters of the wet carboxethyl ester.EFFECT: good resistance to the moisture penetration into the package, thereby maintaining the products in the dry state, at the same time providing some ability of the package to breathe.37 cl, 36 dwg
Aqueous binder composition // 2625875
FIELD: chemistry.SUBSTANCE: invention relates to an aqueous binder composition comprising: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) the product of the soy protein; and optionally one or more of the following components of the binder; (3) sugar as the component; (4) urea.EFFECT: binder composition is particularly suitable as a binder for mineral fibers, or as an adhesive for a particleboard and other composites.14 cl

ultilayer decorative composition, being art image media, and method of its producing // 2624336
FIELD: physics.SUBSTANCE: multilayer decorative composition, being an art image carrier and consisting of consecutively arranged heterogeneous layers, comprises a carrier layer made of a sheet of glass, an adhesive layer, a layer of porous material fixed via an adhesive layer on the surface of the glass sheet, a laminating layer, a soil layer, an art decorative layer and a protective layer covering it, wherein the art decorative layer is formed by application of art images on the soil layer by printing means of a UV printer, and the laminating and adhesive layers are frozen waterglass. The method of producing a multilayer decorative composition, which is the bearer of an art image, comprises sequential applying several layers of chemical composition different on the glass sheet and multiple drying. On the glass sheet, first a glue layer of liquid glass is laid, on which a layer of porous material is applied with a uniform distribution along the contour of the sheet glass, fixing and crimping along the edges of the latter, while ensuring the connection of the porous material to the surface of the sheet glass. Then the porous material is laminated with liquid glass, dried and covered with a soil layer, after drying the soil layer on it, an art image is printed on it using a UV-printer to form an art decorative layer that is covered with a protective layer and then subjected to final drying.EFFECT: creating a new inexpensive decorative-and-finishing material, which has a high art-visual appeal with improved physical properties, namely lightness, strength, moisture resistance, resistance to temperature fluctuations, and aesthetic properties, namely decorative attractiveness, high realism, colour saturation, texture, presence of art effects, providing a wider application range of finishing material.20 cl, 1 dwg

Improved fiber from polylactic acid // 2624303
FIELD: chemistry.SUBSTANCE: multicomponent fiber includes an inner component surrounded by a distinct component of the shell. The inner component is formed of polylactic acid, and shell component is formed by polymer additive, which increases toughener. Configuration of fiber, which comprises an inner portion/shell attaches many different useful properties to obtained fibers. Introduction of polymeric additive, which increases toughness of fiber, increases energy absorption capability stresses, arising during fiber drawing, which increases the overall rigidity and strength of the fibers. Moreover, the presence in the shell of additive component, which increases toughness, increases the binding with other fibers, e.g., during the formation of nonwoven webs. Another advantageous effect of the invention is that the configuration of the inner part/shell can be obtained from the thermoplastic composition, in which polylactic acid and a polymer additive, that increases the impact strength, are mixed with each other.EFFECT: receiving fibers from polylactic acid having good parameters elongation and high strength.20 cl, 8 dwg, 10 tbl, 55 ex
Water binding means for grain and/or fiber substrates // 2624302
FIELD: chemistry.SUBSTANCE: aqueous dispersion of the polymer P comprises, wt %: ≥0.1 and ≤2.5 acrylic acid, methacrylic acid and/or itaconic acid (monomer A), ≥0.1 and ≤1.5 allyl methacrylate (monomer C), ≥0.1 and ≤5.0 N-methylolacrylamide and/or N-methylol methacrylamide, ≥25 and ≤69.7 n-butyl acrylate, and/or ethyl acrylate, ≥30 and ≤70 styrene (monomer F). The amounts of monomers A, C, D, E, F in total amount to 100 wt %. The aqueous binder formulation further comprises a saccharide compound S selected from hydroxypropylated potato starch, the amount thereof being such that it is ≥10 and ≤400 wt. parts per 100 wt. parts of the polymer of P. Total amount of the saccharide compound S is added to the aqueous dispersion of the polymer P. Method of producing a molded article from fibrous substrates, the use of an aqueous composition of a binder as a binder for fibrous substrates, non-cement coatings, sealants and adhesives and the use of a moulded article for the production of bituminous roofing cloths.EFFECT: providing an aqueous dispersion of the polymerizer and an aqueous dispersion of the binder, by means of which it is possible to produce moulded articles with an improved transverse rupture force index at room temperature or reduced stretching at an elevated temperature.17 cl, 1 tbl, 13 ex

achine for knitting machine needle bar plates cleaning // 2624177
FIELD: textile, paper.SUBSTANCE: machine for knitting machines needle bar plates cleaning comprises a main frame, a washing tank mounted on the main frame, a support device arranged to be positioned in accordance with the washing tank and configured to maintain at least a knitting machine needle bar plate in a predetermined washing position. The needle bar plate comprises a plate-shaped base with a substantially straight working side and a plurality of grooves substantially transverse to the working side as well as a plurality of needles for knitted articles slidably disposed in these grooves and having an operative end, overhanging from this working side. The machine also includes dispensing means connected to the main frame and configured to supply the washing liquid under pressure towards the needle bar plate placed in the said predetermined washing position.EFFECT: reduced costs.13 cl, 7 dwg

Elastic knitted fabric and items of clothing // 2622804
FIELD: textile, paper.SUBSTANCE: elastic knitted fabric comprising an elastic and a nonelastic yarn, differs in that: the elastic yarn comprises 20-60 g/m2; where the knitted fabric stretches for 80%, and then returns to its original length, and the straining under the forward movement and the backward movement in a 50% point during stretching and contraction are measured, the ratio of straining, measured with the following formula: straining ratio = (straining under the backward movement (H) in a 50% point)/(straining under the forward movement (H) in a 50% point) is 0.40-0.80; and the instant temperature increase caused by the heat generation during stretching in the direction of the base and/or the weft is at least 1.0°C.EFFECT: improved material properties.13 cl, 5 dwg, 2 tbl
Fibrous structure, process for its preparation and application, and composite material based on fiber and resin // 2622117
FIELD: chemistry.SUBSTANCE: invention comprises at least one thermosetting resin, as well as fixed and/or stable fiber structure. Means for fixing and stabilizing the ester is a random copolymer which is formed from dibasic acids, namely, terephthalic acid and optionally isophthalic acid and butanediol, diethylene glycol and triethylene glycol. A method of manufacturing a composite material consists in applying and fixing means to stabilise the fibrous material.EFFECT: invention allows to increase the strength of the composite material and to reduce the area of separation.14 cl, 4 tbl, 19 ex
Caco3 in complex polyester for nonwoven materials and fibers // 2621660
FIELD: textile, paper.SUBSTANCE: invention relates to the nonwoven material comprising, at least, one polymer comprising a complex polyester, and, at least, one filler comprising calcium carbonate. The present invention further relates to the method of producing this nonwoven material, and to the use of calcium carbonate as a filler in the nonwoven material containing, at least, one polymer comprising a complex polyester.EFFECT: improving the properties of material and fiber.13 cl, 2 tbl

Sizing composition for fibers, namely for mineral fibers based on humic and/or fulvic acid and obtained insulation products // 2621243
FIELD: chemistry.SUBSTANCE: invention relates to a sizing composition containing no formaldehyde, for products based on mineral fibers such as glass or stone fibers, which comprises at least one humic acid and/or fulvic acid or salts thereof, at least one saccharide and at least one ammonium salt of an inorganic acid. The invention also includes obtained products, such as impregnated veils, mats, felts, fabrics, and thermal and/or acoustic insulation materials based on mineral wool, and a method for their preparation.EFFECT: obtaining of the sizing composition containing no harmful tars and not causing acid corrosion of glass fibers.15 cl, 25 ex, 4 tbl, 1 dwg
ethod of manufacturing porous base scaffold of composite material // 2620810
FIELD: technological processes.SUBSTANCE: for the manufacture of a porous base scaffold, a staple polymeric material with a high coke residue in the form of nonwoven webs is subjected to needle piercing for the purpose of separating it. The binder is applied to the separated webs, and then they are pressed at a temperature of 120-200°C and a pressure of 3-5 MPa for 10-12 hours and cooled prior to carbonization down to room temperature. The carbonization is carried out by firing at a temperature of 1000°C for 1-2 h with simultaneous pressing at a pressure of 0.1-0.15 MPa. A binder is used that melts at a pressing temperature, solidifies at room temperature and completely decomposes when carbonized.EFFECT: improved quality of the base scaffold of a composite material by giving it a surface roughness which is not higher than the metal one.2 cl, 2 dwg

Fibers from renewable low density polyesters // 2620415
FIELD: chemistry.SUBSTANCE: fibers are obtained from a thermoplastic composition which comprises hard renewable polyester, has a porous structure and a low density. To obtain such a structure, a renewable polyester is mixed with a polymer additive that increases the impact strength, so that the additive can be dispersed as discrete physical domains in a continuous matrix of renewable polyester. Then, fibers are formed which is subjected to tension or stretching at a temperature below the glass transition temperature of the polyester, i.e. subjected to cold drawing. The deformation force and stress at elongation during stretching leads to disruption of adhesion in the renewable polyester matrixin the areas adjacent to the discrete domains. As a result a mesh structure is obtained of pores located near the discrete domains, which by their proximity may form bridges between the pore boundaries, acting as internal structural "hinges" that promote stabilization of the mesh structure and increase its ability to dissipate energy.EFFECT: obtaining of fibers from renewable polyester with low density and good mechanical properties.20 cl, 2 dwg, 8 tbl, 11 ex
ethod for determining the structure changes in knitted fabric with spatial stretching // 2619728
FIELD: textile, paper.SUBSTANCE: evaluation criterion used is the change of area of holes in the knitted fabric after it is spatially stretched within the operational load limits. The method is based on the application of principles of automated optical image recognition. The technical result of the proposed invention is a quantitative measure: the coefficient of changing structure of knitted fabric with spatial tension that characterizes the actual process of deformation of the fabric on the human figure.EFFECT: method for quantifying changes in the structure of knitted fabric with spatial tension.3 dwg

ethod for obtaining bionic nonwoven material and device for its implementation // 2618468
FIELD: agriculture.SUBSTANCE: method involves preparing secondary thermoplastic raw materials, for example used plastic bottles or food plastic, by means of pressing and cutting it into narrow strips. The web formation is carried out by mixing and pressing the mixed strips of plastic. The subsequent bonding of the formed web by needle-punching is combined with its heat treatment with thermo-contact welding by the battery of current-conductive needles equipped with temperature sensors at a temperature exceeding the thermoplastic melting point by 50-100°. Wherein additional reinforcing and bonding elements are formed in the form of thin strands that are threaded into the openings formed by step-by-step reciprocating movements of the needle-punching machine. The device for the method implementation includes a base frame, a mechanical conveyor and a raw material preparation unit comprising a belt conveyor with lumen-narrowing planes, and a battery of circular blades. The semifinished web material forming unit contains a storage chamber, homogenizer levers, a press, the working planes of which are made in the form of rollers with a conveyor belt and are movably fixed on parallel axes with the possibility of adjusting the gap between the press planes. The pressed material enters the needle-punching machine assembly, comprising a mechanical conveyor with pressure rolls and a metal conductive belt and a battery of current-conductive needles equipped with temperature sensors. The cooling unit is installed autonomously and is connected to the needle-punching machine plate by means of flexible pipes.EFFECT: regulating the light, water and air permeability properties of the produced non-woven bionic material at the technological process stage, reducing material, labour and energy costs, reducing the environmental contamination with hard-to-destroy thermoplastic household waste, while obtaining a material with a wide range of application fields.2 cl, 5 dwg

Non-woven material // 2617985
FIELD: textile, paper.SUBSTANCE: proposed nonwoven material comprises: the first projecting section protruding from the first surface on the side in view in the nonwoven material plan as a sheet, and a recessed section, curved from the second surface on the side opposite to the first surface side. The first projecting section and the recessed section are alternately and continuously arranged by using a wall in each of various intersecting directions in a view in the nonwoven material plan, wherein the wall has a fiber orientation characteristics in the direction connecting the top part of the first projecting section and the lower section of the recessed section; in the case where the thickness of the first projecting section, including the top of the first projecting section, is defined as Ta and the thickness of the nonwoven fabric as a whole in view from the side of the nonwoven material is defined as T, the value of expression (Ta/T)×100(%) is equal to 50% or more; and fibers with different fineness are included in the nonwoven material.EFFECT: improved material properties.8 cl, 1 tbl, 6 dwg

ethod for producing continious lenght of thin fibres web with long natural fibres, respective device and fibres // 2617667
FIELD: textile, paper.SUBSTANCE: method comprises the following steps: parallel feeding of a plurality of individual bands (32) of fibres. At least one band (32) comprises long natural fibres; distribution of neighboring bands (32) on the needle field (60) to form a strip (62) of parallel fibres; loading and stretching of the strip (62) on the needle field (60) in parallel to the movement axis (B-B'); binding stretched strip fibres (62) to form a thin fibres web (60).EFFECT: improved method.17 cl, 11 dwg

ultifunctional fabric // 2617356
FIELD: textiles, paper.SUBSTANCE: invention relates to the textile industry. The fabric is proposed, which comprises porous fibers. The porous fibers are formed from a thermoplastic composition comprising a continuous phase comprising the matrix polymer. The microinclusion additive and the nanoinclusion additive can also be dispersed in the continuous phase in the form of discrete domains, and in the composition a porous network is determined, which includes a plurality of nanopores with an average cross-sectional size of about 800 nanometers or less.EFFECT: invention enables to improve breathability, water permeability, heat insulation and flexibility of fabric.37 cl, 8 dwg, 5 tbl

Device for yarn delivery to textile machine // 2617343
FIELD: textile, paper.SUBSTANCE: device for yarn delivery to the textile machine, comprising a main body forming an entry section and outlet section for yarn; a rotatable drum for winding of the noted yarn coming from the noted entry section, and a motor connected to the noted drum for its rotation; a control element affectin at least the noted engine to regulate its torque and speed, the noted outlet section is optionally switchable between the first configuration in which it forms a free outlet section for the yarn, whereby the delivered yarn forms a closed trajectory around the drum rotation axis, and the second configuration in which it forms a limited outlet section through which the delivered yarn forms an open trajectory. The device also comprises a locking element with a half-annular apendiks with the possibility to be rotated, attached to the main body at its free ends.EFFECT: simplified design and improved attendance.10 cl, 4 dwg

Substrates containing foamed useful substances for increased advantages of substrates // 2615704
FIELD: textile and paper.SUBSTANCE: invention relates to absorbent nonwoven products and concerns a substrate, containing foamed useful substances. Nonwoven substrate comprises a fibre cloth, which determines the surface, and a layer of the useful substance. Useful substance is an additional composition. Useful substance is foamed and is connected with said surface of the fibre cloth by means of the creping process so, that the additional composition on said substrate forms the surface, which is more similar to a film, than the substrate. Nonwoven substrate is printed and demonstrates more improved printing in comparison with an untreated substrate.EFFECT: invention provides a nonwoven substrate for absorbent products, which demonstrates improvements, selected according to a tactile sensation, printing, bulk, elasticity/extensibility, reduction of hysteresis, ability to reduce, reduction of ripple marks and their combinations in comparison with an untreated substrate.40 cl, 10 dwg, 5 tbl, 3 ex
Bullet-proof composites with high operational characteristics and method for production thereof // 2615518
FIELD: manufacturing technology.SUBSTANCE: invention relates to modified polymer fibres with high specific strength producing technology for bullet-proof fibrous composites. Fibre has fibre surfaces, which are partially coated with fibre residual protective coating, wherein from 50 to 99 % of fiber surface area is open and not coated with fibre protective coating, which is modified by plasma treatment with energy flow value of 100 W/sq. feet/min or less, or corona discharge treatment with energy from 2 to 100 W/sq. feet/min.EFFECT: invention provides constant or improved resistance properties to bullets and fragments.12 cl, 6 tbl, 40 ex

Simplified system and method for managing the feed of a plurality of yarns at constant tension and/or velocity to a textile machine // 2614611
FIELD: textile.SUBSTANCE: system and method for managing the feed of a plurality of yarns at constant tension and/or velocity to textile machine (2) of circular, loom or yarn preparation type, where the yarns is being fed to said machine by a corresponding plurality of feed devices (1). Interface block (3) is provided, connected to said plurality of devices (1) and arranged to set their operation, wherein said interface block (3) receives synchronization signals from machine (2) and measures on the basis of these latter every portion of an article production cycle; said cycle is being divided into different stages, wherein interface block (3) acting on each individual feed device (1) on the basis of said stages such that each feed device (1) feeds the respective yarn with predefined tension and/or velocity individual to each of said stages.EFFECT: managing the feed of a plurality of yarns.12 cl, 1 dwg

Embossed composite nonwoven web material // 2614602
FIELD: textile and paper.SUBSTANCE: present invention relates to embossed composite nonwoven web material, containing a mixture of thermally unbonded continuous spunlaid filaments and short fibers including natural and/or synthetic fibers or staple fibers; continuous filaments and short fibers is being substantially mechanically bonded to each other by hydroentangling.EFFECT: composite nonwoven web material is being embossed without thermobonds to have a strength index, equal to or more than 1 time the strength index of the unembossed composite nonwoven web material.21 cl, 2 tbl, 1 dwg
Surface treated yarn and fabric with enhanced physical and adhesion properties and method of making same // 2614278
FIELD: textile and paper.SUBSTANCE: invention relates to technology of producing modified polymer fibres with high specific strength and concerns yarn and fabric, characterised by presence of treated surface with improved physical and adhesion properties. Fibre is modified by plasma treatment or treatment with corona discharge, and it is characterised by specific strength of at least approximately 33 g/denier at ambient room temperature.EFFECT: invention enables modification of fibres without deterioration of characteristics of physical strength.16 cl, 6 tbl, 40 ex

Double carpet tying automated device // 2613856
FIELD: textile, paper.SUBSTANCE: for this purpose device should be bound to the pistons with a progressive return movement. Tying device construction generally consists of two pairs of plates. The first pair passing between two carpet beaming discloses plates and waits the second. The second pair of plates, which carry a cut-off piece of carpet yarn, passes clutching two carpet beaming, through which the first pair have passed. Then the first pair picks carpet yarn ends, and when the piston moves back, it returns to its base position which yields a double carpet tying.EFFECT: improved method.7 dwg
High modulus high strength uhmwpe fiber and method for its production // 2612714
FIELD: chemistry.SUBSTANCE: invention relates to high modulus high strength fiber made of ultrahigh molecular weight polyethylene (UHMWPE) and a method for its preparation. Methods are described for obtaining threads and multithread yarn from UHMW polyethylene (UHMWPE), as well as the yarn and products made thereof. Each method provides UHMWPE threads with strength of 45 to 60 grams/denier.EFFECT: invention provides an effective way to create yarn from ultrahigh molecular weight high strength polyethylene or with higher productivity on an industrial scale.10 cl, 6 ex
ultilayer combined heat insulation fire protection material // 2611942
FIELD: textile, paper.SUBSTANCE: invention relates to the production of inorganic insulating materials connected mechanically of woven and nonwoven materials that may be used in a temperature range from -200°C to 1000°C for high temperature insulation of industrial and domestic equipment, as well as sound insulation in construction, transportation and other industries. Multilayer combined heat insulation fire protection material comprising woven and nonwoven materials layers. Woven and nonwoven fabrics are made of amorphous chopped glass fibers and super, ultra-thin crystalline ceramic fibers. One nonwoven layer comprises crystalline ceramic fibers packed with coefficient of fullness not less than 0.9, the other nonwoven layer is composed of amorphous glass fibers, non-woven materials on the outside on both sides are veneered with layers of glass fibre, including clad with metal foil. The layer materials connection is made mechanically with fiber glass filament with a stitch of 3 to 60 mm lengthwise and distance between stitches from 5 to 330 mm, the resulting material has a thickness of 4 to 50 mm, instead of nonwoven layers of amorphous glass and crystalline ceramic fiber the material comprises a nonwoven layer of amorphous glass and crystalline ceramic fibers mixture. Crystalline ceramic fibers with a diameter less than 1 mcm fill the space between the amorphous glass fibers with a diameter of 6-20 mcm, which leads to increased density and lower material thermal conductivity, on both sides from outside the nonwoven materials are veneered with the layers of glass fibers of fillaments having a porous structure with a pore size 3.10 angstroms, which shrink to 8-10%, compress the inner layers and increase the strength of the composite material while heating, instead of the nonwoven material of amorphous glass fibers the nonwoven material layer of crystalline ceramic fibers is used which almost do not have shrinkage (1%) while heating to 1000°C, which allows to keep the original geometric material dimensions, instead of the nonwoven material made of amorphous glass fibers the nonwoven material layer of amorphous basalt fiber is used, the fibre of amorphous glass fiber containing 5 - 18% of ferric oxide is used instead of the glass tissue including clad with metal paper, the nonwoven material of ECR-type glass amorphous filaments is used instead of the nonwoven material of crystalline ceramic fibers, the layer of fabric of crystalline ceramic fibers and the layer of fibreglass mesh of E-type amorphous filaments are used instead of the glass tissue, the woven and nonwoven materials are preliminarily veneered with the glass tissue along the perimeter of the material end grain before sewing.EFFECT: creating a new multilayer composite environmentally friendly material with high thermal insulation properties and performance characteristics, providing an effective reduction in the heat flux over a wide operating temperature range.9 cl, 1 dwg

Tightening knitted elastic piece of clothing for lower body // 2610806
FIELD: clothes.SUBSTANCE: invention relates to knitted elastic underwear item, containing panties (1) with elastic base knitted article, connected to mesh (7) from elastic rubber, laid on one surface of panties elastic base knitted article, that forms panties base, at panties front and/or rear side, characterized by fact, that on said elastic base knitted article (5, 6) knitted elastic lining (20) is provided, lighter, than base knitted article (5, 6), for free application at, at least, said rubber mesh (7) location.EFFECT: new design of clothes.11 cl, 5 dwg

ethod for tubular wickerwork production and device for its implementation // 2610394
FIELD: chemistry.SUBSTANCE: invention refers to manufacture of articles from composite materials. The device for tubular wickerwork production includes a vertically fixed mandrel, a three-level table of concentric rings with ramps and groups of coils equally spaced along the circumferences. Rings are mounted with a possibility of rotation. The first group of coils constituting half of the tota number is located at the lower ring. The second group of coils is located by equal parts on the upper and middle rings. The device has a drive and mechanisms to move coils and rings. The method for manufacture of tubular wickerwork by rotation about a stationary mandrel in opposite directions along closed, periodically intersecting trajectories of two groups of evenly spaced coils with threads mounted on the rings, wherein each thread of one direction passes over and under the threads of the other direction, wherein the ring coils revolve continuously at the same angular speed, wherein the upper and middle ring around the mandrel rotate synchronously in one direction, opposite to the lower ring, the coils of the second group are moved further from one ring to another in the radial direction, avoiding the thread of the first group coils. The invention provides a continuous smooth weaving process, improves the performance of weaving.EFFECT: device for tubular wickerwork production based on solid-type glass fibers and a polymer binder.2 cl, 4 dwg

Hydroformed composite nonwoven material // 2609722
FIELD: metallurgy.SUBSTANCE: present invention discloses composite nonwoven sheet material making method, involving continuous fibres extrusion from drawing-block, drawing fibres through slit drawing unit into thin continuous fibres, forming of web from loose continuous fibres without thermal connections during fibers laying, web spunlacing, including continuous spun fibres together with short fibers molded by wet or foam method, including natural and/or synthetic fibres or spun fibres, for integration and mechanical connection and forming of thermally unbound composite nonwoven sheet material, wherein creating wet environment during molding and stacking of continuous fibres on stages of fibres laying on already moistened surface, maintaining width of slit drawing unit outlet, opened for more than 65 mm, and liquid is added at slit drawing unit outlet.EFFECT: production of material.17 cl, 1 dwg

ethod of production tufted carpet // 2609217
FIELD: textile.SUBSTANCE: invention relates to a method of making tufted carpet or tiles of tufted carpet, according to which tufted thread (8) is connected by means of tufted thread holder (1) with at least primary lining (7), besides, tufted thread holder (1) comprises multiple channels (2) of tufted thread direction, which perforate tufted thread holder (1) through two opposite sides, wherein tufted thread holder (1) is provided between station (14) of tufted thread clamping on first perforated side (5) and primary lining (7) on second perforated side (6) so, that tufted thread (8) is placed from first perforated side (5) through channel (2) of pile thread direction to second perforated side (6) on or inside the lining (7).EFFECT: production of tufted carpet.21 cl, 2 dwg

Composite sheet and method of its production // 2609190
FIELD: manufacturing technology.SUBSTANCE: composite sheet (1) by present invention represents sheet, in which like non-woven fabric fibre unit (12) is integrated in one or both sides of cellular sheet or heat-bonded non-woven fabric, which serves as frame material (11), in state where fibres (13), forming fibres unit are woven with each other and also with frame material (11). Composite sheet (1) according to present invention is given three-dimensional uneven geometric shape so, to have multiple projections (2) and recesses (3), and fibers unit (12) forming fibres (13) are lifted from projections (2) and recesses (3) surfaces. Composite sheet (1) according to present invention has ratio of composite fibres number, which are lifted from recesses surface and have height of 1 mm or more, to composite fibres number, which are lifted from recesses surface and have height of 0.1 mm or more, of 25 % or more.EFFECT: disclosed is composite sheet and method of its production.18 cl, 3 tbl, 22 dwg

Nonwoven materials binding resin, particularly for bituminous membranes bases making, preparation method thereof and non-woven material produced using said resin // 2609164
FIELD: construction.SUBSTANCE: invention relates to construction and used for roofing, at floors covering, heat insulation and sound insulation, namely, to non-woven materials binding resin, particularly for bituminous membranes bases making. Non-woven materials binding resin consists of starch based aqueous solution, cross-linking agent of natural origin, selected from group of polycarboxylic acids of natural origin, and catalyst selected from group of phosphorus-containing acid alkali metals salts.EFFECT: invention allows to create binding resin, completely consisting of natural and ecologically acceptable origin materials.21 cl, 8 dwg, 8 tbl

Prosthesis and its production method // 2606745
FIELD: medicine.SUBSTANCE: group of inventions relates to prosthesis for tissue recovery and namely to surgical silk mesh device, used for stable sutured structure. Implanted surgical mesh includes fabric consisting of, at least, two threads of yarn, differentially engaged with each other in certain pattern to form multiple connections. In each of multiple connections threads are fixed in such order, that, in fact, disengagement of threads of yarn from each other is retained, when applying tension to tissue in fabric mesh cutting, in which mesh has circuit of pattern, which defines area of separation between separate meshes to provide control both for correction of length of separate mesh and control of tool for separation of separate surgical meshes. In compliance with second version, implanted surgical mesh comprises fabric, in which certain pattern of threads generates multiple holes, promoting tissue growth, and where yarn threads are woven yarn threads made of silk fibre, woven together to form strands and further combination of three obtained strands. Method for production of connected mesh for prosthesis includes four movement of sutured product: two displacement in direction of the hilum and two displacement in direction of row. Two displacement in direction of hilum include application of the first set and the second set of threads in the direction of hilum. First set of yarn threads and second set of threads yarn in turn is applied to form loops in staggered order, and first set of threads are woven with second set of yarn threads, thus making nodes for associated mesh. Alternating application of first set of yarn threads and second set of threads yarn causes the fact, that first set of threads has different tension relative to second set of yarn threads in nodes. Difference in tension, in fact, prevents untangling of associated meshes, while cutting, wherein yarn threads are made of silk, depleted of sericin, and in which method generates pores in mesh.EFFECT: group of inventions provides biocompatible surgical silk mesh device for use in soft and hard tissue recovery.14 cl, 54 dwg, 12 tbl
Formaldehyde-free binder composition for mineral fibres // 2606615
FIELD: chemistry.SUBSTANCE: invention relates to formaldehyde-free aqueous binding composition for mineral fibres. Composition contains at least one monosaccharide, ammonium sulphamate or sulphamate of alkali or alkali-earth metal in amount from 1 to 10 wt% and ammonium hydroxide and/or organic ammonium salt.EFFECT: composition provides an advantage in form of a short time of polymerisation during production of fibrous mineral material, ensuring thermal and mechanical stability of said material.17 cl, 2 tbl, 2 ex

Feeder of yarn with accumulation, with magnetic brake // 2606571
FIELD: textile.SUBSTANCE: device for supply of yarn with accumulation for textile applications comprises housing with drum, on which yarn windings are placed, coming from bobbin, braking element, relating to type using magnets, tension sensor for measuring tension value of coming yarn, wherein braking element comprises first permanent magnet and fixed second magnet, control means to change exposure, applied by second magnet to first permanent magnet, and control unit, controlling means of control. First magnet is ring-shaped and moving parallel to axis of drums and along it between first position, in which first permanent magnet allows yarn pressing to counter-acting element, attached to drum, and second position, in which this action does not emerge, wherein control unit receives values of tension, measured by tension sensor, compares them with preset value and affects in real time said control means to adjust tension value to preset value, when these two values do not coincide.EFFECT: supply of yarn.13 cl, 4 dwg

Water-dispersible nonwoven material // 2605827
FIELD: medicine.SUBSTANCE: group of inventions relates to medicine, specifically to nonwoven textile material for various types of application, such as for household use and for personal care, in particular for production of napkins and wiping cloths. Nonwoven material contains two outer layers made from continuous fibres from water-soluble or water-dispersed polymer, and at least one inner layer of water-absorbing blurrable material.EFFECT: nonwoven textile material is biodegradable, therefore it may be blurred.28 cl, 7 dwg

Fibrous structures comprising particles // 2605065
FIELD: textile and paper.SUBSTANCE: proposed are fibrous structures containing one or more particles: - fibrous structure comprising a plurality of fibrous elements and one or more water-soluble, active agent-containing particles, one or more of the fibrous elements are water-soluble, fibrous elements comprise one or more filaments, at least one fibrous element comprises one or more filament-forming materials, at least one fibrous element comprises one or more active agents, one or more active agents comprises a surfactant, selected from the group consisting of: anionic surfactants, cationic surfactants, nonionic surfactants, zwitterionic surfactants, amphoteric surfactants and mixtures thereof; - multi-ply fibrous structure comprising at least one ply of said fibrous structure, one or more water-soluble, active agent-containing particles are positioned between the at least one ply of fibrous structure and a second ply of fibrous structure.EFFECT: fibrous structures are proposed.20 cl, 17 dwg, 5 tbl, 3 ex

String with the tubular body // 2604179
FIELD: manufacturing technology.SUBSTANCE: in the common string with the knotted sections and an elastic core there is a difference in expansion degree of the ends and the knotted section core, therefore, there is a section, which is susceptible to high stretching force, and a section, which is not subjected to stretching force. When a great strain is accumulated on the boundary between sections, susceptible to various stretching forces, it can reach the limit values, and the string can be torn. To solve this problem the string, according to the invention, comprises the tubular body made of elastic material, knotted sections located with an interval relative to each other and made with possibility of changing their diameter depending on the knotted section in axial direction, wherein the string additionally contains, located in the center of the tube, formed with the tubular body of the string, additional string consisting of less elastic material, wherein the additional string forms the knotted section core and it is coagulated at this section so that it allows to change the distance between the ends of the knotted section at changing the diameter of this section.EFFECT: structure of the string is suggested.5 cl, 12 dwg

Subjected to jet joint laminar sheet having hollow projections, and method and apparatus for production thereof // 2603611
FIELD: hygiene.SUBSTANCE: present invention is aimed at the laminar sheet subjected to jet joint, a method and a device for its formation, as well as final applications of the laminar sheet subjected to jet joint. Laminar sheet comprises a support layer and nonwoven sheet with projections, having multiple ledges, which preferably are hollow. As a result of jet joint jointing fluid medium is directed through the support layer and inside the sheet with projections, which is located on the forming surface. Force action of jointing fluid medium leads to a compound of two layers with each other and fluid medium leads to indentation of the part of fibres in the sheet with protrusions in the holes located on the forming surface, forming hollow projections.EFFECT: laminar article obtained as a result has multiple applications, including without limitation the materials for wet and dry tissues, as well as inclusion of the absorbent products of personal hygiene in the different parts and use in package, where control of fluid medium is a problem.20 cl, 2 tbl, 18 dwg

ethod and device for moulding fibres, in particular, for making fiber-containing non-woven material // 2602481
FIELD: textile.SUBSTANCE: disclosed is the device for making fiber-containing non-woven material, composition: an extrusion head (104, 104′) with a group of forming holes; means of extrusion through said forming holes, extrusion head of at least one fused polymer material in form of threads (f); extraction element (105), located under the extrusion head and to create gas flow (F3), oriented downstream for stretching and thinning threads (f), with that, the said device additionally contains feeding means (13, 13′) for continuous feeding of fibrous material (FM) into the area between the extrusion head (104, 104′) and a traction element (105) and near the threads (f).EFFECT: flow of fibrous material.55 cl, 8 dwg

ethod and device for storing yarn in order to feed thread without creating twisting thereof // 2601927
FIELD: textile and paper.SUBSTANCE: method for supplying thread (F) to textile machine (100) without creating torsions thereof, which comprises picking up thread (F) from a reel, winding the thread on rotary drum (5) driven by electric motor (6) thereof and supplying such thread (F) to the textile machine, at constant tension and/or quantity. Method also comprises measuring the amount of thread (F) leaving rotary drum (5), and the amount of thread wound thereon and intervening on the rotation of such drum, so the amount of thread leaving the drum is equivalent to the amount of thread loaded thereon to avoid the creating of torsions on the thread.EFFECT: device for implementation of the above method is also proposed.10 cl, 3 dwg

Base material from stitched carbon fibre and wet prepreg using thereof // 2601761
FIELD: space.SUBSTANCE: invention can be used in aerospace industry, in production of sports goods and leisure products. Prepreg with formability comprises a base material from a stitched carbon fibre. Multiple sheet materials 1 are arranged in layers and then stitched and joined together in a stitched base material using stitch thread 2 interlaced when passing through sheet materials 1. Each sheet material 1 is formed by arranging lines 11 of the carbon fibre parallel to each other. Direction of arranging lines 11 of the carbon fibre of each sheet material 1 forms an angle ranging from ±30° to ±60° to the direction of movement of interlacing stitch thread 2. Degree of the stitched base material tension in its longitudinal direction in case when a specific load per inch of width of the stitched base material is applied in the direction of movement of interlacing stitch thread 2 is equal to or below 4 % when the load is equal to 5N and is equal to or higher than 10 % when the load is 25N. Prepreg is formed by impregnation of the base material from the stitched carbon fiber, in which multiple sheet materials 1 are arranged in layers and then stitched and joined together using stitch thread 2 interlaced when passing through sheet materials 1 by a thermosetting resin within the range from 30 wt% to 50 wt%. EFFECT: invention enables to obtain a base material from a stitched carbon fibre, which has high shape stability and moldability and provides for convenience in processing a wet prepreg, facilitates production of a 3D shape.9 cl, 6 dwg, 1 tbl, 4 ex

Urea modified binder for mineral fibres // 2600914
FIELD: chemistry.SUBSTANCE: aqueous binder composition for mineral fibres containing: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) sugar component; and (3) urea, proportion of components (1), (2) and (3) being within the range of 10 to 80 wt.% of (1), 15 to 80 wt.% of (2), and 5 to 60 wt.% of (3), based on the solids content of components (1), (2) and (3) as measured after heat treatment for 1 hour at 200 °C.EFFECT: new composition.29 cl, 1 ex, 1 tbl

High-strength product in form of ultrahigh molecular weight polyethylene band // 2600722
FIELD: chemical industry.SUBSTANCE: articles in form of band characterised with improved properties are made of multifilament threads of ultrahigh molecular weight polyethylene (UMWP). Articles in form of band can be characterised by the ratio of the area under the curve corresponding to low temperature (from 120 °C to Tmlt) to the total area under curve (from 120 °C to 165 °C) less than approximately 0.15 measured according to results of DSK thermogram with temperature rise from 30 °C to 200 °C at constant speed 10 °C per minute. Besides, in some versions specific strength of articles in form of a tape can be at least approximately 24 g/denier (2.06 GPa) when measured according to ASTM D882-09 at 10-inch (25.4 cm) length of tested part of the sample and at tensile speed of 100 %/min.EFFECT: articles in form of band may not be characterized by a long period of less than 450 Angstrom (Å) when measuring by x-ray small-angle analysis.14 cl, 5 dwg, 2 tbl

Non-woven material and absorbent article using same // 2598303
FIELD: packaging industry.SUBSTANCE: non-woven material, comprising a first protruding part protruding towards a first surface side in a horizontal projection of non-woven material in form of a sheet, and a second protruding part protruding towards second surface side as opposite side from first surface, wherein plurality of first protruding parts and second protruding parts, alternately via wall parts, are distributed in two directions from first direction and second direction, in horizontal projection of non-woven material, wherein wall part has radial orientation of fibres, converging towards upper part of second protruding part, substantially at any point in direction of surface formed as first direction and second direction.EFFECT: increased strength.25 cl, 17 dwg, 5 tbl

Glass fibre reinforced and mineral wool based acoustic tile // 2597590
FIELD: construction; acoustics.SUBSTANCE: main mat for acoustic ceiling tiles obtained by using a wet method, containing 50 % or more fibres of mineral wool based on dry weight, containing solid inclusions, less than 9 % of binder, from 5 to 20 % of chopped filamentous glass fibre and, optionally, minimum amounts of other components, where chopped filamentous glass fibre ensures formation and/or support of voids in the base, so that the density of dry main mat is approximately 120-168 kg/m3 (from approximately 7-1/2 to approximately 10-1/2 pounds per cubic feet) and NRC (noise reduction coefficient) is substantially greater than 0.55.EFFECT: disclosed is a main mat for acoustic ceiling tiles obtained by unsing a wet method.4 cl, 4 dwg

Nonwoven material // 2596455
FIELD: treatment plants.SUBSTANCE: nonwoven material consisting of layers fixed by needling, one of which is made of anion exchanger modified capron fibre and the second layer is made of a mixture of megalon hydrophilic modified capron fibre and viscose fibre with the latter content in the mixture of (20-40)%, the layers weight ratio is 1:(0.2-0.6), wherein the layers are fixed by needling to form pile loops on the surface, and the size of each loop varies from 2 mm along the inner surface of the loop to (8-12) mm along the outer surface of the loop.EFFECT: technical result is improved protective properties of respirators filtering elements.1 cl, 1 dwg, 1 tbl, 5 ex
 
2551217.
Up!