Abstract: Absorbable composite medical devices such as surgical meshes and braided sutures, which display two or more absorption/biodegradation and breaking strength retention profiles and exhibit unique properties in different clinical settings, are made using combinations of at least two types of yarns having distinctly different physicochemical and biological properties and incorporate in the subject construct special designs to provide a range of unique properties as clinically useful implants.

Abstract: A method is provided for manufacturing an elastic core yarn in which a core comprises an elastic fiber and a continuous yarn arranged along the elastic fiber, and in which a covering yarn of such a natural material as flax, hemp, ramié, bamboo, jute, is helically wrapped about the core. A step of helically wrapping the core with the covering yarn is carried out in such a way that a number T of coils covering yarn is formed about a length unit of the elastic fiber larger than a predetermined minimum value depending on the linear mass density Nm of covering yarn, and that the covering yarn becomes twisted with a final twist direction “S” or “Z” that is opposite to an initial twist direction “Z” or “S”, respectively. The step of wrapping is performed in a wrapping space enclosed within a container.

Abstract: An elastic thread yarn comprising linen and/or ramié and/or hemp and an elastic thread, with a thread made of an elastomeric material, and a substantially inextensible yarn made of linen and/or ramié and/or hemp helically wound about the elastomeric core at a predetermined number of windings per length unit of elasticized yarn, wherein, for each metric count Nm, the number of windings substantially inextensible yarn of the elasticized yarn, is set between two values indicated by two curves (12, 13) which can be expressed according to exponential laws, for example, with the same exponent, i.e. according to equations of the form T=K N0, 327 where K is 20 and 50, respectively. In particular, an intermediate curve 11 is such that, by choosing for a given metric count a number of windings proximate to curve 11, this best feature balance is obtained. In an exemplary embodiment, the core comprises a bare elastic thread, i.e. an elastic thread that is not coated by other fibers.

Abstract: The present disclosure is directed to a joining element having a core having first and second opposed ends that define a length therebetween along a longitudinal direction, a jacket that surrounds the core along at least a portion of the length and defining first and second opposed ends that are spaced along the longitudinal direction, where the first and second opposed ends are in mechanical communication with the first and second ends of the core; and, where one of the jacket and the core is pre-tensioned, and the other of the jacket and the core is configured to transition from a first rigid configuration where its length is constant, to a second deformed configuration where the one of the jacket and the core relaxes from a pre-tensioned state so as to draw the first and second opposed ends of the other of the jacket and the core toward each other.

Abstract: A wound textile article comprising: an elongated winding portion having a first end and a second end; a first knot at the first end; and a second knot at the second end; wherein the elongated winding portion has an outer surface having an outer dimension, and each of the knots having an outer dimension; wherein the article can be supported by holding the first knot or the second knot so that the elongated winding portion is resistant to deflection under a weight of the article, but the article is sufficiently flexible that the article is capable of being wrapped around a body without permanently deforming the article; wherein the wound textile is made of a fibrous material having a denier of about 3000 or less; and wherein the elongated winding portion is characterized by one or more helically wound flexible mediums.

Abstract: Hybrid elastic cable comprising at least one elastic filament yarn (1) and at least one resistant filament yarn (2), the elastic filament yarn (1), at a maximum rate of elongation of the cable, is found to be wound in a helix around the resistant filament yarn (2) with a specific number of turns per linear metre of the cable ranging between nsE?15% and nsE+15%, nsE being determined based on the following formula: n sE = 1000 ? ? ( ? e + ? K ) × K max × ( K max + 200 ) K max + 100 in which ?e is the diameter in mm of the elastic filament yarn (1) at rest, ?K is the diameter in mm of the resistant filament yarn (2), and Kmax is the predetermined maximum rate of elongation of the hybrid cable, the elastic filament yarn (1) moreover being also twisted about itself with a specific number of distinct turns about itself per linear metre of the cable ranging between nsE and 3×nsE, the distinct turns about itself of the elastic filament yarn (1) being wound in the opposite d

Abstract: The invention relates to a cut resistant composite yarn comprising: a) at least one yarn containing filaments and/or staple fibers, said filaments and/or staple fibers containing a hard component, said hard component being a plurality of hard fibers, said hard fibers having an average diameter of at most (25) microns; and b) at least one continuous elastic filament. The invention further relates to a fabric and articles comprising the yarn, in particular a glove.

Abstract: A tire includes a tread with an internal cavity. Positioned in the internal cavity is a composite cord structured to include an elastomer core and a sheath surrounding the elastomer core. The sheath is formed of a hollow cylindrical braid made of helically intertwined non-contiguous fibers. The tire may be pneumatic or non-pneumatic.

Abstract: In an embodiment, a core-sheath type conjugated yarn includes a core portion containing a double-prepolymer type polyurethane and a sheath portion containing an elastomer. The double-prepolymer comprises a prepolymer having terminal isocyanate groups obtained from reacting a polyol and a diisocyanate, and a prepolymer having terminal hydroxyl groups obtained from reacting a polyol, a diisocyanate, and a low-molecular weight diol. In other embodiments, a method of producing the core-sheath type conjugated yarn using conjugate spinning conditions provides a conjugated yarn with a fineness of 18 to 110 dtex, a weight ratio of the core portion to the sheath portion of 95/5 to 60/40, and a drawing ratio of 1.5 to 4.0.

Abstract: Elastic knitting thread, having a core of an elastic material, an inner wrapper surrounding the core and an outer wrapper surrounding the inner wrapper, wherein one yarn is a flat yarn and the other yarn is a textured yarn.

Abstract: The present invention relates to composite elastomeric yarns and fabrics, to methods of making same, and to articles in which such yarns and fabrics are used. The composite yarns of the present invention comprise a elastomeric core, an elastomeric thermoplastic sheath disposed about the core and, preferably, fibers mechanically anchored in the sheath. The composite fabrics of the present invention comprise the composite yarns of the present invention and conventional fibers arranged to form a fabric.

Abstract: In a stretch yarn (1) comprising a stretchable core (2) covered by an inelastic fibers sheath (3) the stretchable core (2) comprises first and second fibers (4, 5) that have elastic properties, the first fiber (4) is an elastomer and the second fiber (5) is a polyester based (co)polymer, the amount of the second fiber being in the range of 60-90% (w/w) of the total weight of the fibers of the stretchable core (2); the first and second fibers are connected together at least at a plurality of points (P).

Abstract: An elastic thread yarn comprising linen and/or ramié and/or hemp and an elastic thread, with a thread made of an elastomeric material, and a substantially inextensible yarn made of linen and/or ramié and/or hemp helically wound about the elastomeric core at a predetermined number of windings per length unit of elasticized yarn, wherein, for each metric count Nm, the number of windings substantially inextensible yarn of the elasticized yarn, is set between two values indicated by two curves (12, 13) which can be expressed according to exponential laws, for example, with the same exponent, i.e. according to equations of the form T=KN0, 327 where K is 20 and 50, respectively. In particular, an intermediate curve 11 is such that, by choosing for a given metric count a number of windings proximate to curve 11, this best feature balance is obtained. In an exemplary embodiment, the core comprises a bare elastic thread, i.e. an elastic thread that is not coated by other fibres.

Abstract: A rope having a cut-resistant jacket which includes a core comprised of a plurality of sub-ropes. The sub-ropes may be in a parallel strand configuration. The sub-ropes and the strands thereof may be made of fibers of a synthetic material, such as polyester, nylon, polypropylene, polyethylene, aramids, or acrylics. A cut-resistant jacket surrounds the core and is made from a material that has increased strength and/or abrasion resistance over the material of the core. The cut-resistant jacket may comprise steel wires and may further comprise braided steel wires or rope. The braided steel wires or rope may be covered with a plastic material for increased corrosion resistance. A filter layer may be disposed between the core and the cut-resistant jacket and may be wrapped around an outer surface of the core prior to the cut-resistant jacket being formed.

Abstract: The present invention relates to composite elastomeric yarns and fabrics, to methods of making same, and to articles in which such yarns and fabrics are used. The composite yarns of the present invention comprise a elastomeric core, an elastomeric thermoplastic sheath disposed about the core and, preferably, fibers mechanically anchored in the sheath. The composite fabrics of the present invention comprise the composite yarns of the present invention and conventional fibers arranged to form a fabric.

Abstract: Methods and apparatus are provided to make composite yarns having a filamentary core with at least one elastic performance filament and at least one inelastic control filament. A fibrous sheath, preferably formed from spun staple fibers, surrounds the filamentary core, preferably substantially along the entire length thereof. The at least one elastic performance filament most preferably includes a spandex and/or a lastol filament. The at least one inelastic control filament is most preferably formed of a textured polymer or copolymer of a polyamide, a polyester, a polyolefin and mixtures thereof. Preferably, the fibrous sheath is formed of synthetic and/or natural staple fibers, most preferably staple cotton fibers. The elastic composite fibers find particular utility as a component part of a woven textile fabric, especially as a stretch denim fabric, which exhibits advantageous elastic recovery of at least about 95.0% (ASTM D3107).

Abstract: Multistrand metal cord of K×(L+M) construction, which can especially be used for reinforcing tire belts for industrial vehicles, consisting of K elementary strands assembled in a helix, with a helix pitch PK, each elementary strand: consisting of a cord (10) having two layers (Ci, Ce) of L+M construction, rubberized in situ, comprising an inner layer (Ci) consisting of L wires (11) of diameter d1, L varying from 1 to 4, and an outer layer (Ce) of M wires (12), M being equal to or greater than 5, of diameter d2, which are assembled in a helix with a pitch p2 around the inner layer (Ci); and having the following characteristics (d1, d2 and p2 being expressed in mm): 0.10<d1<0.50; 0.10<d2<0.

Abstract: A reinforcing cord of the present invention is a reinforcing cord (10) for rubber reinforcement including a fiber core (11) and a plurality of strands (12) disposed around the fiber core (11). The fiber core (11) is formed of one or a plurality of highly elastic fibers having a tensile elastic modulus of at least 100 GPa. Each of the plurality of strands (12) is formed of a plurality of glass fibers that are primarily twisted, and the plurality of strands (12) are finally twisted to be disposed around the fiber core (11). The direction of the final twist of the plurality of strands is opposite to the direction of the primary twist in each of the plurality of strands (12). The number of final twists of the plurality of strands (12) is 1.0 to 3.0 times/25 mm, and a ratio of the number of primary twists in each of the plurality of strands (12) to the number of final twists of the plurality of strands (12) (the number of primary twists/the number of final twists) is in a range of 1.5 to 2.5.

Abstract: The present invention provides a highly functional polyethylene fiber which has excellent heat-retaining property and cut resistance, and is further excellent in productivity and process passability in subsequent processes, a covered elastic yarn, woven/knitted textiles, and gloves using the highly functional polyethylene fiber. A polyethylene fiber of the present invention comprises a polyethylene, wherein a repeating unit of the polyethylene is substantially ethylene, and the polyethylene fiber has a weight average molecular weight (Mw) of 50,000 to 300,000, a ratio (Mw/Mn) of the weight average molecular weight to a number average molecular weight (Mn) of less than or equal to 4.0, and a gel fraction of 100 ppm or more and 10,000 ppm or less, or a zero shear viscosity in a molten state at 190° C. of ranging from 8,000 (Pa·s) to 300,000 (Pa·s).

Abstract: A functional elastic composite yarn comprises an elastic member that is surrounded by at least one functional covering filament(s). The functional covering filament has a length that is greater than the drafted length of the elastic member such that substantially all of an elongating stress imposed on the composite yarn is carried by the elastic member. The elastic composite yarn may further include an optional stress-bearing member surrounding the elastic member and the functional covering filament.

Abstract: An elevator support, such as a cable or a belt connected with an elevator car or counterweight, has load-bearing synthetic material strands, which are reinforced by the introduction of a second phase and have a higher modulus of elasticity than that of the unreinforced strands.

Abstract: A safety elastic rope includes an elastic outer tubular rope having two longitudinally opposite first fixing ends, and an elastic inner rope inserted into the outer tubular rope and having two longitudinally opposite second fixing ends. The inner rope is more elastic than the outer tubular rope, and has substantially the same length as the outer tubular rope. The second fixing ends are connected respectively to the first fixing ends.

Abstract: An integral composite fiber is formed by integrally joining a stretchable fiber and unstretchable fibers. The stretchable fiber has longitudinally extending first exposed surfaces that are circumferentially spaced from each other. The unstretchable fibers has longitudinally extending second exposed surfaces each disposed between a circumferentially adjacent pair of the first exposed surfaces. One of the first exposed surfaces has a larger surface area than the other or others of the first exposed surfaces. Said other or each of the others of the first exposed surfaces has a surface area ratio of less than 0.8 with respect to the surface area of said one of the first exposed surfaces.

Abstract: Energy active composite yarns include at least one textile fiber member of either an elastic or inelastic material, and at least one functional substantially planar filament, which surrounds or covers the textile fiber member. The composite yarns can include an optional stress-bearing member, which also surrounds or covers the textile fiber member. The composite yarns may be multifunctional, meaning the functional substantially planar filament can exhibit combinations of electrical, optical, magnetic, mechanical, chemical, semiconductive, and/or thermal energy properties.

Abstract: A rope with a core and a casing surrounding the core. The core is composed of a multitude of synthetic fibers and the casing is composed of a multitude of synthetic fibers that are interlaced with one another. The synthetic fibers that form the casing are composed of polytetrafluoroethylene and form a lightproof and fluid-repellent envelope for the core.

Abstract: A core yarn manufacturing apparatus includes a draft device that drafts sheath fibers of a core yarn and a core fiber supply device that supplies core fibers of the core yarn, wherein a feed-out path of the core fibers in the core fiber supply device is inclined above the draft device in such a manner that a front of the feed-out path is lower than a rear of the feed-out path with respect to a front surface of a machine frame, and wherein a CSY wind-out device and a CFY yarn guide are provided in a rear upper part of a base frame of the core fiber supply device, the wind-out device supporting a CSY package and winding out an elastic yarn, the yarn guide guiding a filament yarn drawn out from a CFY package located behind the core fiber supply device.

Abstract: The present invention provides finishes for elastic fiber, which produce elastic fiber yarn having superior antistatic, unwinding, package buildup performance and lubricity properties. The present finishes further minimize fly sticking on the elastic fiber during the knitting operation of elastic fiber yarn and cotton spun yarn. The finishes of the present invention contain 80 to 99.99 parts by weight of at least one base component selected from the group consisting of silicone oils, mineral oils and ester oils, 0.01 to 10 parts by weight of amino-modified silicones and 0.0001 to 10 parts by weight of phosphate esters containing an acidic hydroxyl group and at least one hydrocarbon or oxyalkylene group per molecule. The elastic fiber of the present invention is characterized with the application of the finish in an amount of 0.1 to 15 weight percent of the fiber.

Abstract: A process is provided for making a yarn with improved properties, such as lowered susceptibility to picks and snags. The yarn consists of a spandex core that is tightly covered with a nylon fiber, which tight covering is achieved by heat treatment. A knitted fabric is further provided, that is made of yarn consisting of a spandex core and a nylon fiber, which has low susceptibility to picks, as well as to tears during its production and its use.

Abstract: Provided is an electrically conductive elastic composite yarn having an elastic member that is surrounded by at least one conductive covering filament. The conductive covering filament has a length that is greater than the drafted length of the elastic member such that substantially all of an elongating stress imposed on the composite yarn is carried by the elastic member. The elastic composite yarn may further include an optional stress-bearing member surrounding the elastic member and the conductive covering filament.

Abstract: A core-in-sheath type composite stretch yarn, having excellent stretchability and soft hand and capable of being dyed in dark colors, comprises a core portion constituted from a elastic yarn formed from at least one elastic fiber and having an ultimate elongation of 70% or more and a sheath portion formed from a non-elastic yarn comprising a plurality of non-elastic fibers having an ultimate elongation of 70% or more and surrounding around the core portion, and is useful for producing a woven or knitted stretch fabric having a high stretch percentage and capable of being dyed in dark colors.

Abstract: The composite elastic yarn may be made from a wide, stretchable textile fabric or stretchable knitted fabric. A composite elastic yarn is obtained by drawing an elastic yarn 11 at a first draft rate to prepare a precursor composite elastic yarn with an inelastic yarn 31 and further drawing the precursor composite elastic yarn at a second draft rate of a value smaller than that of the first draft rate to make a composite with the removable inelastic yarn 31; and stretchable textile fabric and stretchable knitted fabric fabricated using this composite elastic yarn.

Abstract: The present invention relates to a process of making a glove using resistant yarns employing the steps of knitting or weaving, heat setting coating and curing. The cut resistant yarn comprises a plurality of cut resistant filaments having a random entangle loop structure and at least one elastomeric filament.

Abstract: An electrically conductive elastic composite yarn comprises an elastic member that is surrounded by at least one conductive covering filament(s). The elastic member has a predetermined relaxed unit length L and a predetermined drafted length of (N×L), where N is a number preferably in the range from about 1.0 to about 8.0. The conductive covering filament has a length that is greater than the drafted length of the elastic member such that substantially all of an elongating stress imposed on the composite yarn is carried by the elastic member.

Abstract: A core-in-sheath type composite stretch yarn, having excellent stretchability and soft hand and capable of beinig dyed in dark colors, comprises a core portion constituted from a elastic yarn formed from at least one elastic fiber and having an ultimate elongation of 70% or more and a sheath portion formed from a non-elastic yarn comprising a plurality of non-elastic fibers having an ultimate elongation of 70% or more and surrounding around the core portion, and is useful for producing a woven or knitted stretch fabric having a high stretch percentage and capable of being dyed in dark colors.

Abstract: A fibrous substrate for artificial leather, containing microfine fiber bundles, each of which is composed of 3-50 microfine fibers (A) containing an elastic polymer and having an average fineness of 0.5 denier or less and 15 or more microfine fibers (B) containing a non-elastic polymer and having an average fineness of 0.2 denier or less. The microfine fiber bundles satisfy the following conditions (1)-(3): (1) the ratio of the number of strands of the A to the number of strands of the B in cross sections of the bundles (A/B) is 1/5 or less, (2) the ratio of the weight of the A to the weight of the B in the bundles (A/B) is 10/90-60/40, and (3) the microfine fibers (B) containing the non-elastic polymer encircle each of the microfine fibers (A) comprising the elastic polymer.

Abstract: A composite cord is provided which is simple in manufacture, highly productive, less costly, and improved in rubber penetration. The composite cord has a 1×n construction (n is an integer from 3 to 12) with 2 to 11 metallic filaments and 1 to 5 polymer fibers having a melting point of 50 to 200 degrees twisted together. The pneumatic tire employing this composite cord for its reinforcing element is restricted in rust formation and improved in strength retention.

Abstract: A cut-resistant stretch yarn having a first elastic core yarn with a first wrapper yarn spirally-wrapped around the elastic core yarn in a first twist direction. The first wrapper yarn is a highly cut-resistant yarn. A second wrapper yarn is spirally-wrapped around the elastic core yarn and the first wrapper yarn in a second twist direction. The second wrapper yarn is a highly cut-resistant yarn. The elastic core yarn may be an elastomeric yarn, neoprene or rubber.

Abstract: An elastane multifilament yarn havig two to six individual filaments which, when being unwound from a bobbin, is splittable into individual filaments, is produced by a process wherein multihole spinning jets are deployed in the spinning head of a conventional dry spinning apparatus, laminarizing the spinning gas flow to prevent entanglement of the individual filaments and passing the resulting yarn through a thread guide with one opening per individual filament.

Abstract: Rovings 30A and 30B as drafted are, under a parallel condition, passed through a collector 16, twisted and wounded from front rollers 12-1 and 12-2. A core yarn 34 is, via a guide member 40 as a snail wire, introduced into rovings 30A and 30B from the rear side of the front rollers. Since the guide member 40 is fixedly connected to the collector 16, the guide member 40 can follow with the lateral displacement of the collector 16, so that a central feed of the core yarn 34 to the rovings 30A and 30B is maintained, thereby always keeping a condition that the core 34 is fully covered by the outer fibers.

Abstract: A sewing yarn is described, with at least two roving. yarns, which are twisted together with one another for the formation of the sewing yarn, whereby each roving yarn has the structure of a core yarn, comprising at least one first multifilament yarn component, forming a yarn core, and a second fiber yarn component spun over the core. In the cross-section of the sewing yarn, the spun fiber yarn covering of at least one roving yarn contains less than 41 individual fibers.

Abstract: A composite, break-resistant sewing thread having a core of continuous multi-filament, non-stretch high-tenacity synthetic yarn and a cover of drafted staple fibers air-jet twisted around and covering the core for protecting the core from heat and friction during a sewing operation. The yarn is plied.

Abstract: A filler element is located between each adjacent pair of outer strands of a wire rope and interlocks with the adjacent strands. The filler elements provide the rope with substantially smooth outer surface reducing vibration of the rope passing over a pulley. Filler elements are disclosed consisting of an elastometic or polymeric material having an oriented molecular structure aligned along the filler element and also aligned in a generally radial direction with respect to the rope.

Abstract: The invention relates to a method for the manufacture of an elastic twisted yarn, whereby at least one outer yarn is wound around an expanded, elastic core yarn and in a first process step the outer yarn is wound around the core yarn with a winding speed which is less than the nominal speed of the finished twisted yarn, the thus formed intermediate yarn is wound up, and the in-between yarn is twisted in the same direction of rotation in a second process step. In the first process step the outer yarn is wound with the help of a double-pot spindle and at a winding rate of above 50% of the nominal speed without a balloon around the core yarn, and the second process step is carried out on a double-twist spindle.

Abstract: The present invention refers to a method of manufacturing a two-thread yarn having a certain degree of elasticity for use on the weaving industry and to an apparatus for carrying out the method. The method comprises the steps of providing at least one elastic yarn and at least one support yarn as a paired couple; applying a water-soluble thermosetting adhesive substance to said elastic yarn and support yarn paired as a couple; fastening said adhesive-coated elastic yarn and support yarn paired as a couple to each other to form a two-thread yarn; and simultaneously stretching, heating and setting said two-thread yarn comprising said elastic yarn and said support yarn paired as a couple.

Abstract: A double-covered yarn based on a spandex core having a heat set of at least 50% and two sheath yarns wound in the same direction, a process for the preparation of such yarn and fabrics produced therefrom, are provided.

Abstract: The present invention is directed towards a golf ball which comprises a center, at least one cover layer, and at least one layer of windings between the center and the cover. Preferably, the thread of the present invention is comprises of at least about 10 individual strands that are each about 0.01 inches in diameter. Most preferably, the thread is a solvent spun polyether urea thread manufactured by combining over 25 strands with diameters of less than about 0.002 inches. Because of the smaller thread dimension, the thread of the present invention is capable of being wound more densely than the typical thread. The elastic modulus of this thread is greater than about 20 ksi when wound about a center. The maximum elongation of the thread is greater than about 8%. The smaller cross-sectional area of the thread and higher elastic modulus of the thread also enable production of golf balls with less total thread volume.

Abstract: The safety mountaineering rope (1) has a core comprising a plurality of core ropes (2).In order to improve the tearing resistance of the rope (1), the rope core surrounds in the manner of a tube at least one cavity (3) extending over the entire length of the rope (1). In this case the cavity (3 )is filled by means of at least one resilient filling material or body, resilient at least as viewed in the radial direction of the rope (1), and which, when the rope (1) is pulled over an edge and with a high tensile force for example, results in a considerable momentary flattening of the cross-section of the rope when pulled over the edge and thus a considerably wider support of the rope (1) on such an edge. In addition, the rope core (2) is surrounded by a rope sheathing (4) provided with a protective layer (5) impervious to particles of dirt.

Abstract: A composite yarn comprised of a chain stitch yarn knitted from a yarn A and at least an inlay yarn of a yarn B inserted into the chain stitch yarn along a longitudinal direction thereof. Since the chain stitch yarn and the inlay yarn are surely interlaced with each other in the composite yarn, there is little chance that the chain stitch yarn and the inlay yarn are separated in use. A preferable apparatus for manufacturing the composite yarn in accordance with the present invention may include individual winding mechanisms downstream of each knitting station in a warp knitting machine.

Abstract: An every course hose is produced by knitting substantially exclusively a covered elastic yarn into the leg portion knitting fabric thereof. A covering yarn is wound around an elastic yarn as the core yarn to form the covered elastic yarn. The covering yarn is constituted of a plurality of filaments made of a polyamide substantially free from titanium oxide and having a flat cross section with a flatness (b/a) (the ratio of the length b to the width a) of 2.0 to 6.0.

Abstract: The invention concerns a filter fabric consisting of a core yarn having a reversible elongation of at least 20 to 50%, the fabric being intended for use in the manufacture of airbags for vehicles. The yarn consists of a thermally stable thermoplastic core filament yarn (1) round which is braided or spun a heat-resistant outer layer (2) or which is coated, or coated by vapor deposition, with a heat-resistant layer (2).