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

D   Textiles; paper(37723)
D04            Braiding; lace-making; knitting; trimmings; non-woven fabrics(4335)

Non-woven material and absorbing product using it // 2642033
FIELD: human vital needs satisfaction.SUBSTANCE: non-woven material containing the first protruding portion passing to the first side of the surface in a horizontal projection of the non-woven material in the form of a sheet, and the second protruding portion passing to the second side of the surface as the opposite side from the first surface, where a plurality of the first acting portions and the second protruding portions, alternately through the wall parts, is distributed in two directions: the first direction and the second direction, in the horizontal projection of the non-woven material, where the wall part has the orientation of the fibres along the direction connecting the first protruding portion and the second protruding portion, almost anywhere in the direction of the surface defined as the first direction and the second direction.EFFECT: improvement of the product properties.24 cl, 17 dwg, 5 tbl
Flexible heat and soundproofing fiber material of low density // 2641495
FIELD: construction.SUBSTANCE: flexible heat and soundproofing fiber material is proposed, containing mineral fibers and fibers of plant origin as a base. As the fibres of plant origin, the material contains cotonised flax fibers, as well as mineral fibres: fibres with a diameter of 5 mcm, selected from a group containing basalt, quartz, silica fibers or fibers based on aluminium oxide, in addition, the material contains organic binder. The material density is not more than 15 kg/m3.EFFECT: ensuring reliable operation of the thermal insulation in terms of cyclic thermal loads and vibrations and ability to resist extreme heating in cases of fire, a significant decrease in the proportion of material and increase in its flexibility while maintaining strength and thermal properties of the material, providing the requirements of fire safety in case of fire.6 cl, 1 tbl

Composite material including warp knitted textile panel which has first and second opposing front surfaces while said first front surface is covered with a layer consisting of at least one polymer material and method of its manufacture // 2640995
FIELD: textile, paper.SUBSTANCE: invention relates to a composite material including a warp knitted textile panel having ribs corresponding to the direction of the base and rows of loops corresponding to the direction of the weft and the first and second opposing front surfaces, while the said first front surface is covered with a layer of at least one polymer material. Each of these ribs favourably includes the first loops, shaped on every second row of loops if the first thread is used, and the second loops, shaped on every second row of loops if the second thread is used, while the first and the second loops alternate on every second row of loops and have opposite directions. In addition, in the weft direction, each of the threads selected from the first thread and the second thread, alternately forms loops on each second row of loops.EFFECT: improved material properties.15 cl, 14 dwg
Forming drum // 2640993
FIELD: machine engineering.SUBSTANCE: forming drum for formation of a cloth from short fibers consists of at least two strong frames of annular shape located at a distance from each other and connected by transverse plate elements located radially and forming together with the strong frames a framework for placing a circular meshy surface. The meshy surface is formed by laying radially directed plates, one of which is inserted into the slits of the other plates, along and across the honeycomb section. According to the invention the circular meshy surface is made of at least two sections arranged in a circumferential direction and each of which is located on a separate honeycomb section made in the form of an archwise curved frame limiting the honeycomb structure composed of rectangular cells in the plan and the plates that are forming a meshy surface are located on the honeycomb section with support on the cell-forming plates. To fix the plates on the honeycomb section, a part of transversely and longitudinally disposed plates is executed with tongues with bent ends for engaging with the cell-forming plates on the back side of the honeycomb section. On the top of each frame a detachably mounted grid for the precipitated short fibers is placed.EFFECT: improving the quality of the resulted finished product.3 cl, 9 dwg

Needle-punched mat // 2640979
FIELD: transportation.SUBSTANCE: needle-punched mat for using in a car, comprising at least a needle-punched face layer as the top layer, made of staple fibres, distinguished by the fact that the staple fibres contain hollow fibres, the content of the hollow fibres being at least more than 45 wt % of all staple fibres.EFFECT: preventing vehicle bottom corrosion in the cabin area.16 cl, 5 dwg

Filaments containing active components, suitable for oral supplementation, non-woven fabrics and methods of manufacturing them // 2640933
FIELD: medicine.SUBSTANCE: nonwoven fabric suitable for swallowing, used to deliver one or more active components, is described. Filaments containing filament-forming material and an additive suitable for supplementation of an active component are described. Non-woven fabrics and methods for manufacturing such filaments are described. The nonwoven fabric contains filaments that contain typically incompatible active components.EFFECT: improved connections.29 cl, 6 dwg, 5 ex
Biodegradable film and laminate // 2640243
FIELD: chemistry.SUBSTANCE: biodegradable film comprises PHA and PLA, wherein the PLA content is 1-95 wt %, where PHA is PHB or PHV or a copolymer or a mixture of PHB and PHV, wherein PHB is P(3HB-co-4HB) polymerized with 3HB and 4HB, and the molar percentage of 4HB is in a range of 5 to 85%. The biodegradable film further comprises a cellulose fibre. The invention also relates to biodegradable laminate that contains PBAT or PBS or a mixture thereof and the said biodegradable film.EFFECT: laminates are characterized by a stronger biodegradability in a medium containing microorganisms and are characterized by a good shelf life and good strength, rapid adaptation, and flexibility.20 cl, 12 tbl

Depth filter from nonwoven self-supported material // 2639702
FIELD: ventilation.SUBSTANCE: depth filter of a non-woven self-supported material consists of polymeric supporting fibers with microsize diameters and embedded in the supporting fibers of polymeric filter fibers with nanoscale diameters. The supporting fibers form a coherent three-dimensional filter cage. The filter fibers in the filter capacity are distributed in such a way that their density in the filter capacity is different and increases from the surface of the filter facing the incoming flow of the medium to be cleaned to the surface of the filter through which the medium to be purified exits.EFFECT: consistent high quality of air or gas purification for a long time.5 cl, 3 dwg
Geotextile mesh with high mechanical resistance and reinforced connection for networks or devices laid in ground // 2639068
FIELD: construction.SUBSTANCE: geotextile mesh is described, comprising reinforcing fibres assembled into parallel cords forming strips (101, 103, 105) oriented in at least two directions, said strips being separated by intervals of at least 15 millimetres, said strips have the same or different width from 10 to 200 millimetres. In addition, the strips (106) with the largest width exceeding 60 millimetres are located at the mesh edges.EFFECT: increasing the reliability.15 cl, 11 dwg
ethod for manufacturing rope from grass // 2639040
FIELD: agriculture.SUBSTANCE: method for manufacturing a rope from grass consists in that in the beginning a site with grass easily torn off from the root is selected. Then by a rope-forming means made in the form of a stick with a hitch at one end, the top portion of the unplucked grass bundle is gripped, and the bundle is twisted by rotating said means around its own longitudinal axis. The gripped grass bundle is pulled in the direction opposite to its natural or specially created slope. After obtaining part of the rope, it is wound on the stick, and the rope continues to be formed to the desired length by rotating the stick around the axis perpendicular to its own longitudinal axis.EFFECT: quickly manufacturing a rope quite even by thickness in the field conditions, almost without improvised means.5 cl

ethod for optimizing contact resistance in current-conducting textile materials // 2638751
FIELD: electricity.SUBSTANCE: method may comprise: choosing a discriminating action for the textile material, choosing a combination of variables among thread variables, stitch variables and textile variables; and intertwining a current-conducting thread by knitting into textile material in accordance with the chosen combination of variables, wherein the knitted combination of variables ensures optimum contact resistance in the textile material correlated with electrical conductivity necessary for the discriminating action.EFFECT: predicted contact area of the thread for a current-conducting thread correlated with the optimum contact resistance.13 cl, 23 dwg, 1 tbl

Non-woven fabric // 2637404
FIELD: textile, paper.SUBSTANCE: non-woven fabric is proposed, including a first projecting part projecting on the first side of the surface in the horizontal projection of the non-woven fabric in a sheet form and having an internal space and a second projecting part projecting on the second side of the surface opposite to the first surface side and having an internal space, the first projecting part and the second projecting part being arranged alternately and continuously in each of various intersecting directions in the horizontal projection of the non-woven fabric, where the top of the first projecting part includes a small projecting part having an outer diameter smaller than the outer diameter of the first projecting part on the first surface side, and the internal space present inside the first projecting part and the internal space present inside the small projecting part are connected to form a continuous internal space.EFFECT: improved quality.17 cl, 4 dwg, 1 tbl
ethod for making double bead of product on two-cylinder seamless hose machine and knitted product with double bead // 2635781
FIELD: textile, paper.SUBSTANCE: needles of the upper cylinder of a two-cylinder seamless hose machine with a core thread and an elastic thread are lifted up, while retaining the core and elastic threads, the core and elastic threads are knitted together by the needles of the lower cylinder, and upon completion of the bead knitting, the extreme bead loops are connected with the loops located on the needle of the upper cylinder by the "loop-in-loop" seam. The above technical results are achieved in the design of a knitted product with a double bead made in the ribbed stitch of the links-links structure, by that the bead is made with knitting the core and elastic threads together, and the extreme bead loops are connected with the product by the "loop-in-loop" seam.EFFECT: improving the appearance of the double bead of the knitted product and the knitted product as a whole, improving the consumer properties of the knitted product.2 cl, 4 dwg

Formaldehyde non-containing binding compositions with modified viscosity // 2635242
FIELD: chemistry.SUBSTANCE: binding compositions include a carbohydrate, a nitrogen-containing compound and a thickening agent. The binding compositions have a Brookfield viscosity of 7-50 centipoise at 20°C. Thickening agents may include modified celluloses such as hydroxyethyl cellulose (HEC) and carboxymethyl cellulose (CMC) and polysaccharides such as xanthan gum, guar gum and starches. The invention also describes the method for producing a nonwoven fibreglass mat and a fibreglass mat comprising the said binding composition.EFFECT: increasing the viscosity of carbohydrate-based binding compositions.23 cl, 6 dwg, 6 tbl, 4 ex

Plant and method of manufacturing thermo- and/or sound-insulating product // 2634378
FIELD: construction.SUBSTANCE: invention relates to a plant for manufacturing a thermo- and/or sound-insulating product based on mineral wool, comprising a first line (1) for manufacturing first mineral fibers, comprising at least one fiberising element (10), a second line (2) for manufacturing second mineral fibers, comprising at least one fiberising element (20) and a rolling mechanism (22), the rolling mechanism (22) being designed to apply the second mineral fibers onto the first mineral fibers by means of rolling.EFFECT: invention makes it possible to manufacture a thermo- and sound-insulating product with improved thermal and acoustic properties.10 cl, 4 dwg

ethod and device for production of filter nonwoven material from elementary filaments and spun-bond nonwoven material // 2633245
FIELD: textile, paper.SUBSTANCE: method of producing spun-bond nonwoven from filaments is described. Elementary filaments are moulded by means of a forming device, then cooled, and then sent with primary air through the extraction device. Primary air exits the extractor with a volumetric flow of VP. Elementary threads follow the exhaust device through the diffuser. Between the exhaust device and the diffuser, a secondary air with a volume flow VS. Elementary strands are laid on the stacker adjoining the diffuser. The volume flow ratio VP primary air to the volume flow VS the secondary air is more than 4.5, preferably more than 5 and very preferably more than 5.5.EFFECT: device improvement.18 cl, 5 dwg
Non-woven material // 2632643
FIELD: textile, paper.SUBSTANCE: non-woven material consists of needle-bonded layers, one of which is formed from an anion-exchange modified capron fiber, and the other is made up of a hydrophilic modified capron fiber of megalon, between which a framework is located made of warp and weft. Along with that, there are relief knops on the surface of the material, the height of which is 8-12 mm, formed as a result of heat treatment of the material at a temperature of 90-100°C. The material density of the wrap and weft is 8-10 t/dm. A rove of high-shrinkage fibers with a linear density of 1250-1300 g/km is used as a wrap, and a rove of thermoplastic fibers with a linear density of 125-1300 g/km is used as a weft.EFFECT: improved efficiency of material capture by gases and by solid particles.1 tbl

System and method for obtaining bound fiber mats // 2630485
FIELD: construction.SUBSTANCE: in accordance with the invention, continuous strands of a filament are pre-coated with molten thermoplastic. The pre-coated filaments are then laid on a tape to form a fibrous mat. The filaments can be laid in continuous segments, or they may be cut into discrete segments. After laying the filaments, they are heated to re-melt the thermoplastic and simplify the mutual binding of the intersecting fibers. The invention additionally relates to a system and method for introducing the resulting fibrous mats into a composite construction slab.EFFECT: creation of fibrous mats together with composite construction slabs.7 cl, 7 dwg

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