Abstract: An endoscope-cleaning device ensures effective cleaning of an endoscope. The endoscope-cleaning device includes a long flexible core member inserted into a twisted tubular body including a weft yarn including a microfiber yarn, wherein the microfiber yarn is made of polyester and the tubular body is twisted at 5 twists/5 cm to 15 twists/5 cm.

Abstract: A composite prepreg yarn designed and constructed is a very large, strong yarn with resin infused throughout, which can be used to prepare composite preforms via conventional Maypole braiding or other textile processes. The invention increases the loads that can be transmitted by the cured yarn in a composite structure, decreases the stickiness that can prevent their use in braiding and other textile processes, provides protection to the high-strength fibers from abrasion that is encountered during and after composite preform manufacturing via braiding.

Abstract: A bead wire for a tyre includes a core and an outer layer. The core includes a plurality of circumferential windings of at least one core yarn, with each core yarn including a core multifilament textile fibre embedded in an organic core matrix. The outer layer includes a single outer-layer yarn, with the outer-layer yarn including an outer-layer multifilament textile fibre embedded in an organic outer-layer matrix. The outer-layer yarn is wound around the core.

Abstract: A hybrid yarn for producing molded parts having a thermoplastic matrix and reinforcing fibers embedded therein. The hybrid yarn includes a core substantially made of staple fibers aligned in a straight line in the longitudinal direction of the hybrid yarn, and a cover made substantially of staple fibers wound helically about the core. The staple fibers forming the core and the staple fibers forming the cover each are made of an intimate mixture of thermoplastic matrix fibers and reinforcing fibers.

Abstract: A yarn, especially a sewing thread or an embroidery thread, is described, which has the structure of a core yarn with at least one core consisting of multifilament yarns and a spin over of staple fiber yarns. At least one portion of the fibers, which build the staple fiber yarn of the spin over, is bound between the filaments of the at least one multifilament yarn of the core over its total axial fiber length or over a section of its axial fiber length. Furthermore a method to produce this yarn is described.

Abstract: Disclosed herein are spandex fibers having reduced friction combined to provide a multiple end spandex package. The spandex fibers have a sheath-core cross-section with a lubricating additive is included in the sheath. A fusing additive specifically excluded to avoid coalescence among the individual filaments in the yarn. When combined in a yarn package, the multiple filaments are separable.

Abstract: An object of the invention is to provide a high strength and light hybrid rope. At the center of the hybrid rope 1, there is arranged a high strength synthetic fiber rope 3 formed by braiding multiple high strength synthetic fiber bundles 30 each composed of multiple high strength synthetic fiber filaments 31. Given that the pitch of braid of the high strength synthetic fiber bundles 30 is represented by “L” and the diameter of the high strength synthetic fiber rope 3 is represented by “d”, the pitch of braid “L” and the diameter “d” are adjusted such that the value L/d is equal to or higher than 6.7.

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: A hybrid carbon fiber spun yarn having a core region with carbon fibers as a main component, and a surrounding region with carbon fibers as a main component and covers an outer peripheral surface of the core region. 20% by mass or more of fibers forming the core region are long carbon fibers having a fiber length of 500 mm or longer. 80% by mass or more of fibers forming the surrounding region are short carbon fibers having a fiber length of less than 500 mm. A mass ratio between the long carbon fibers and the short carbon fibers (long carbon fibers:short carbon fibers) is in a range of 20:80 to 80:20.

Abstract: A multi-layer yarn structure and a method for making the same are provided. The multi-layer yarn structure includes a core layer, a layer of noncircular fibers, and an outer layer. The core layer has a plurality of hydrophobic fibers. The noncircular fibers surround the core layer to form a middle layer. The outer layer surrounds the middle layer and has a plurality of hydrophilic fibers. The method spins different fibers into multi-layer yarn for making textile with a soft, smooth, and thick feel. By utilizing inherent characteristics of the multi-layer yarn structure, the textile may regulate moisture released from the human body and keep the body dry and comfort.

Abstract: A flexible cut resistant hydrocarbon flash fire resistant latex glove article is provided, having a flame resistant cut resistant liner and a flame resistant oil resistant polychloroprene polymeric latex coating. The knitted cut resistant fire resistant liner has is made from a composite yarn having a fiberglass core and optionally including a steel fiber. The core has a cushioning core sheath formed by ring-spinning of microdenier staple cut resistant fibers of, for example, para-aramid. and Staple modacrylic fibers can be included with the staple para-aramid fibers. Two wraps of continuous yarns of polyester, para-aramid, or both at a wrap density such that the wraps do not cover the core sheath in its entirety. In the absence of steel fiber, the cut resistant hydrocarbon flash fire resistant glove exhibits good electrical insulation characteristics even with sweat generated from hand preventing short circuit of electrical circuits.

Abstract: A spun yarn formed with a core of microdenier synthetic filaments wrapped with a sheath. The sheath generally includes carded staple fibers that are spun around the core.

Abstract: Enhanced performance yarns which are functional alternatives to 100% petroleum oil based virgin continuous filament yarns, and yarns of natural fibers and methods of making them. The yarns may comprise an inner portion of spun staple fibers of recycled plastic and an outer portion comprising a different material and incorporate highly significant amounts of recycled plastics, particularly post consumer recycled, thermoplastic material such as polyethylene terephthalate which contains medium to high levels of contamination. One embodiment of yarn comprises a core, an inner portion of spun staple fibers surrounding the core, and an outer portion comprising an inner helix and an outer helix.

Abstract: A manufacturing method and apparatus for producing digital yarns using hybrid metal for high speed communication, which can be connected to a network to exchange information in real time in the ubiquitous era, and digital yarns made using the method thereof. The manufacturing method and apparatus for producing digital yarns using hybrid metal for high speed communication and digital yarns thereof comprises producing a hybrid metal rod; drawing the hybrid metal rod; producing a micro filament; feeding the micro filament; softening the micro filament; forming a sliver; forming a spun yarn; winding the spun yarn; coating the spun yarn with an electromagnetic shielding resin; drying the spun yarn with the electromagnetic shielding resin; and covering the spun yarn with a textile yarn and the digital yarn made in accordance with this method.

Abstract: A wire member 50 is received in a flexible part 22 of an endoscope 20 and adapted to remotely curvilinearly control a bendable part 27 at a distal end of the flexible insertion part 22. The wire member 50 includes a braid 51 braiding from a plurality of resin fibers and an adhesive agent 52 impregnated in the braid 51 and hardened. The impregnating and hardening of the adhesive agent 52 are carried out in a state where the braid 51 is applied with a tensile force having a predetermined magnitude.

Abstract: This invention generally relates to the production of a composite yarn or non-woven strand wherein a core of super absorbent fibers or polymers (SAP's) having a swell factor of approximately 25% and greater are encapsulated by a nonwoven membrane of defined porosity. The membrane is then sealed in a fashion to generally deter or prevent the SAP material from migrating out of the core as water is freely absorbed and desorbed from the composite yarn structure. The strands of yarns or strips of non-woven material are subsequently constructed into an open or unorientated fabric formation. When used as a subterranean fabric, structure or material, the resultant fabric structure retains moisture while permitting normal root growth and allowing excess water to pass through and beneath the fabric while facilitating movement of water from lower levels to the surface.

Abstract: The invention provides a polyester bicomponent core spun yarn comprising a sheath of at least one hard fiber and having an English cotton count of from about 5 to about 60 and a core of bicomponent polyester filament. The invention further includes a fabric substantially free of grin-through of the bicomponent polyester filament.

Abstract: In one embodiment, a flame resistant fabric includes a plurality of flame resistant body yarns that form a body of the fabric, and a plurality of relatively tough yarns provided in discrete positions within the fabric body, the relatively tough yarns comprising a filament yarn that includes a filament composed of one of polyolefin, flame resistant polyester, polytetrafluoroethylene, polyetheretherketone, polyetherimide, polysulfar, polyimide, polyamide, polyimideamide, polybenzoxazole, polybenzimidazole, carbon, and glass.

Abstract: A method of manufacturing composite yarn by doubling and twisting paper tape and back warp yarn in one process without doubling paper yarn and back warp yarn after fabricating the paper yarn using the paper tape, includes: passing paper tape unwound from a bobbin by external force through the bobbin in an axial direction of the bobbin, and rotating the paper tape together with additionally-supplied back warp yarn about the axis of the bobbin to twist the paper tape and the back warp yarn together.

Abstract: A yarn production process for enabling a yarn formed by filling the interior of a tubular member configured by knitting or braiding a fibrous material with expanded graphite as a base material, to be produced in a state of a high productivity in order to enable the yarn to be actually used in an economical manner. The process of producing a yarn formed by filling the interior of a tubular member configured by knitting or braiding a fibrous material with expanded graphite, the process has: a fine cutting step of successively cutting an expanded graphite sheet which is continuously supplied in a state where the sheet has a predetermined width, to a small width along the width direction of the sheet; and a supplying and filling step of guiding and supplying a strip-like expanded graphite material which is produced by the fine cutting step, into the tubular member to be filled into the tubular member.

Abstract: The invention provides a polyester bicomponent core spun yarn comprising a sheath of at least one hard fiber and having an English cotton count of from about 5 to about 60 and a core of bicomponent polyester filament. The invention further includes a fabric substantially free of grin-through of the bicomponent polyester filament.

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 yarns of the invention include untwisted wrapped singles yarns having a core strand and a wrapper yarn. The wrapper yarn is a base synthetic fiber and a heat-activated binder fiber with a melting point substantially below that of the base synthetic fiber. The Saxony carpets of the invention are made from untwisted singles yarn tufts and are possessed of surface appearance, individual tip retention, pile density, resilient hand and wear resistance comparable or superior to conventional Saxony carpets made from multiple plied twist set yarns.

Abstract: The present invention relates to a metal cable usable for reinforcing a carcass reinforcement for a tire, such as a heavy-vehicle tire, to a composite fabric usable as a ply for such a carcass reinforcement, to a carcass reinforcement comprising this fabric and to a tire incorporating this carcass reinforcement. A metal cable according to the invention comprises a textile wrap, and is such that said wrap is formed of an aromatic thermotropic polyester or polyester amide. A composite fabric according to the invention is such that it comprises a rubber composition which is reinforced by said cables. A tire according to the invention has its carcass reinforcement comprising said composite fabric.

Abstract: The invention provides a polyester bicomponent core spun yarn comprising a sheath of at least one hard fiber and having an English cotton count of from about 5 to about 60 and a core of bicomponent polyester filament. The invention further includes a fabric substantially free of grin-through of the bicomponent polyester filament.

Abstract: The present invention relates to a fibrous construct which is used in providing cementitious mixtures supplemental and reinforcing strength upon setting, and more particularly, to a unitized fibrous construct which comprises a plurality of oriented reinforcing fibrous components, wherein the fibrous components can be cut to a predetermined and finite cut length upon formation and remain in a plural parallel form until such point the unitized fibrous substrate is incorporated and subjected to mechanical agitation during preparation of a cementitious blend or mixture.

Abstract: The inventive yarn comprises at least one strand (2) having a reinforcing core made of high-modulus and high-resistance staple-fiber yarn, which is made from organic or inorganic material, and a sheath (4) of long or short, low-modulus standard fibers. The other strands (5) are made from long or short, low-modulus standard fibers and are arranged so as to protect the sheath of the strand(s) having a reinforcing core.

Abstract: The invention is a method of manufacturing, by friction spinning, a reinforcing thread (1) for fabric covering or a technical textile intended to be incorporated in a textile base, in which: the spinning machine (7) is supplied with a core thread (2); and simultaneously with a silver (9) of fibers (3, 4), the fibers (3, 4) being individualised and then associated with the said core thread (2). The silver (9) of fibers is formed from a mixture of hot-melt fibers (3) and high melting point fibers (4).

Abstract: A composite yarn having a high reinforcing effect on a matrix material to be reinforced is a paralleled yarn of at least one substantially non-twisted multifilament yarn having a tensile strength of 13 cN/dtex or more and an initial modulus of 300 cN/dtex or more with at least one substantially non-twisted staple fiber yarn having a staple fiber fraction (1) having a fiber length of 1.5 times or more the average fiber length of the staple fibers and another fraction (2) having a fiber length of 0.5 time or less the average fiber length, in which a portion of the staple fibers in the staple fiber yarn winds around the periphery of the paralleled composite yarn to thereby bind the multifilament yarn and the staple fiber yarn substantially into a composite yarn without twisting the composite yarn.

Abstract: The yarns of the invention include untwisted wrapped singles yarns having a core strand and a wrapper yarn. The wrapper yarn is a base synthetic fiber and a heat-activated binder fiber with a melting point substantially below that of the base synthetic fiber. The Saxony carpets of the invention are made from untwisted singles yarn tufts and are possessed of surface appearance, individual tip retention, pile density, resilient hand and wear resistance comparable or superior to conventional Saxony carpets made from multiple plied twist set yarns.

Abstract: A composite matrix yarn (Y) including a cover yarn (80) formed of a plurality of twisted fibers, a core strand (70) positioned within the cover yarn (80) and around which the fibers of the cover yarn (80) are twisted to provide mechanical adhesion between the cover yarn (80) and the core strand (70), and an adhesive binder (75) carried on the core strand (70) for providing enhanced adhesion between the core strand (70) and the cover yarn (80).

Abstract: Provided is a fire resistant corespun yarn. The yarn includes a core of a high temperature resistant continuous filament comprising fiberglass and a low temperature synthetic continuous filament selected from nylon, polyester, polyethylene and polyolefin, the core being two-plied. A first sheath of blended staple fibers surrounds the core. The fibers include modacrylic fibers and melamine fibers. A second sheath of staple fibers surrounds the first corespun yarn. This double corespun yarn may be woven and knit in fine, non-plied or plied form and extends the range of fineness of fabrics below heretofore achievable limits. Also provided is a fire resistant fabric which includes a fire resistant fabric substrate formed from the fire resistant corespun yarn, as well as a product upholstered with the fire resistant fabric.

Abstract: A racquet string comprises of a core surrounded by at least one sheath, having a plurality of sheath fibers wound around said core, and a coating resin uniting the core and sheath fibers into a unitary body. The sheath fibers are helically wound about the core at a high wind angle, i.e., at a wind angle between 25 and 40 degrees relative to the core axis. Preferably, the sheath comprises a plurality of main sheath fibers and a plurality of non-main sheath fibers, and the core, the main sheath fibers, and the coating resin are transparent. Preferably, the non-main sheath fibers have a relatively low transparency. In this manner, the non-main fibers produce a multi-helix appearance when the string is observed from the side.

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 composite cut-resistant yarn having a fiberglass and wire component a fiberglass core strand having a denier of between about 100 and about 1200 at least a first wire strand wrapped the fiberglass core strand in a first wire strand direction and at least a first non-metallic non-high performance fiber cover strand wrapped around the first wire strand in a first cover strand direction. The yarn does not include high performance constituents, yet is comparable in cut-resistance characteristics.

Abstract: A miniature rope formed of metal includes: a core wire; and a plurality of surrounding wires wound around the core wire so as to form a stranded wire as a whole, wherein the core wire is formed of a material whose characteristics differ from those of the surrounding wires. Specifically, the core wire may be a tungsten wire, a superelastic alloy wire, or a nickel-titanium alloy wire, while the surrounding wires may be stainless steel wires.

Abstract: An endless transport belt made of thermoresistant synthetic filaments for transporting yarn is described, which yarn is wound around a plurality of transport belts in the form of loops, said transport belts being arranged polygonal in cross section. In order to reduce stretching of the transport belt, at least one reinforced thread is included among the synthetic filaments, which reinforced thread is preferably a steel wire or cord.

Abstract: A composite fiber prepared by wrapping a core of polyethylene filaments having a dielectric of less than 3.0 with a direct sized quartz fiber to provide a composite fiber and fabric woven therefrom with improved high temperature strength and low dielectric constant.

Abstract: A spinning apparatus is disclosed according to the invention having a drafting zone comprising at least four roll pairs for drawing a sliver comprising one or more types of staple fibers. The rolls pairs include a back roll pair, intermediate roll pairs and a front roll pair and the distance between the nip of the back roll pair and the nip of the adjacent intermediate roll pair, and the distances between the nips of adjacent intermediate roll pairs is no more than the effective fiber length of the longest staple fiber type in the sliver. The drafted sliver may be spun into yarns at high speeds, such as the speeds used in air jet spinning apparatus to provide yarns having increased strength and reduced defects. The present invention also includes a method of forming high quality and high uniformity yarns by advancing a sliver through a drafting apparatus and thereafter spinning the sliver into yarn.

Abstract: A carpet styling yarn comprises a core having at least two falsely twisted continuous yarns, and a single wrapper yarn spirally wrapped about the core. At least two of the core yarns are differently colored or differently colorable. The length of the single wrapper yarn is greater than the length of the core for any given unit length of the carpet styling yarn. A method for fabricating the carpet styling yarn, and to a carpet using the same, are also disclosed.

Abstract: Composite synthetic string, in particular for a tennis racket. According to the invention, the string is made up of central monofilaments surrounded by mono-filament threads and by multifilament threads, the assembly being impregnated and covered in polyurethane. The string is applicable to tennis rackets having increased lifetime and that react in lively manner under the impact of a ball.

Abstract: A spinning apparatus is disclosed according to the invention having a drafting zone comprising at least four roll pairs for drawing a sliver comprising one or more types of staple fibers. The rolls pairs include a back roll pair, intermediate roil pairs and a front roll pair and the distance between the nip of the back roll pair and the nip of the adjacent intermediate roll pair, and the distances between the nips of adjacent intermediate roll pairs is no more than the effective fiber length of the longest staple fiber type in the sliver. The drafted sliver may be spun into yarns at high speeds, such as the speeds used in air jet spinning apparatus to provide yarns having increased strength and reduced defects. The present invention also includes a method of forming high quality and high uniformity yarns by advancing a sliver through a drafting apparatus and thereafter spinning the sliver into yarn.

Abstract: A hybrid yarn is made up of an intimate mixture of spun yarns of reinforcing fibers and spun yarns of thermoplastic matrix fibers. The spun yarns are obtained by cracking with slow, gradual stretching of the multifilaments. After stretching, parallel fibers are wrapped with a continuous thermoplastic filament. The invention may be used to produce hot-stamped parts.

Abstract: A twisted yarn structure includes constituent fibers which extend between a surface and a core of the yarn structure so that at least one portion of each fiber is trapped and bound within the yarn structure by portions of other fibers. The fibers can extend cyclically or in random fashion between an inner region and an outer region of the yarn, and can be twisted in subgroups along the length of the yarn structure to be locked in position therein. To produce the yarn structure having fibers which cyclically extend between the inner and outer regions, the fibers of a drafted strand of fibers from front drafting rollers are spun and passed through an oscillating guide before being wound on a spindle.

Abstract: A floor mat has tufts made of a yarn which is formed with a monofilament core around which a multifilament yarn is air entangled. The resulting yarn is sufficiently stiff to clean dirt off of the shoes of passers by, yet is easily cleaned. The monofilament core is a polypropylene between 600 and 1200 denier, preferably about 1095 denier. The multifilament yarns entangled around the core are also polypropylene and total about 160 filaments and about 4800 denier. The air entangling is accomplished using higher than normal air pressure (i.e., about 110 p.s.i.).

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).

Abstract: A nubuck-like woven fabric comprising a two-layered structural yarn wherein ultra-fine polyester multifilaments are primarily disposed in a sheath portion and polyester multifilaments having a larger single fiber thickness are primarily disposed in a core portion, and having an apparent specific gravity of 0.35-0.7 and a shear rigidity of 0.5-1.2 gf/cm.multidot.deg. This woven fabric is produced by a method wherein a woven fabric of a two-layered structural yarn composed of (i) side-by-side type or islands-in-sea type composite multifilaments comprising (a) a readily soluble ingredient and (b) ultra-fine multifilaments-forming ingredient and (ii) highly shrinkable multifilaments, is subjected to a treatment for dissolving and removing ingredient (a) without substantial shrinkage of the two-layered structural yarn, then, the woven fabric is shrunk in a widespread state.

Abstract: A jet spun twistless core/wrapped elastic yarn product. The core yarn of the core/wrapped yarn is a unitary elastomeric filament. The core yarn is contiguously provided around the core with staple fibers. The inner portion of the staple fibers extends in the same direction as the elastomeric core and an outer wrapper portion of the staple fibers is helically wound around and holds the inner portion of the staple fibers on the core.

Abstract: In core yarns, a) the polyester material of the core filaments has an average molecular weight corresponding to a relative solution viscosity of at least 1.9, and b) the core has a specific strength of at least 60 cN/tex, the core yarns producing a seam length to rupture of more than 800 cm in a sewing test under aggravated conditions.The core yarns are obtainable by a process comprising the measures of: i) producing multifilament yarns based on polyesters having an average molecular weight corresponding to a relative solution viscosity of at least 1.9 by melt spinning polyester with a takeoff speed of at least 1500 m/min.