Abstract: A two-layer multi-strand cord (60) comprises an internal layer (CI) of the cord made up of J>1 internal strands (TI) and an external layer (CE) of the cord made up of L>1 external strands (TE). The cord satisfies the relationship 100?MC?175, where MC=(J×MI+L×ME)/(J+L); MI=200×cos4(?)×[Q×(D1/2)2×cos4(?)+N×(D2/2)2×cos4(?)]/[Q×(D1/2)2+N×(D2/2)2]; and ME=200×cos4(??)×[Q?×(D1?/2)2×cos4(??)+N?×(D2?/2)2×cos4(??)]/[Q?×(D1?/2)2+N?×(D2?/2)2], where D1, D1?, D2, D2? are in mm, ? and ?? are the helix angle of each internal and external strand (TI), ? and ?? are the helix angle of each internal thread (F1, F1?), and ? and ?? are the helix angle of each external thread (F2, F2?).

Abstract: The invention relates to an endless shaped article comprising at least one strip of material forming a plurality of convolutions of the strip of material, the strip having a longitudinal axis, wherein each convolution of said strip comprises a twist along the longitudinal axis of said strip, wherein said twist is an odd multiple of 180 degrees. The invention also relates to a method to manufacture said article, and its use as sling, loop, belt or chain link.

Abstract: An elastic dope dyed yarn composite of two colors and process of manufacturing same is provided. The elastic dope dyed yarn composite of two colors includes an SDY having fibers being dope dyed, a POY drawn from dope dyed synthetic materials; and an elastic yarn. The SDY, the POY, and the elastic yarn are twisted together to form the elastic dope dyed yarn composite of two colors. The process is water saving and energy saving and causes no pollution. The elastic dope dyed yarn composite of two colors is light in weight and is capable of keeping warm, and has a high elasticity.

Abstract: A fiber blend, a yarn spun from the fiber blend, and a fabric made from the yarn, wherein the fiber blend is a blend of staple fibers comprising non-FR cellulosic fibers, modacrylic fibers, and aramid fibers intimately blended together. The blend is such that the cellulosic fibers constitute at least about 45 wt. % of the fiber blend, a weight ratio of the modacrylic fibers to the cellulosic fibers is at least 0.8 but not exceeding 1.0, and the aramid fibers make up no more than 15 wt. % of the fiber blend.

Abstract: A method for weaving a carpet including tying a row of knots with a yarn and weaving two or more weft strands next to the row of knots, where the weft strands are 100% cotton and the yarn is wool yarn hand-carded and hand-spun into a single strand is described.

Abstract: In some embodiments, the present invention pertains to carbon nanotube fibers that include one or more fiber threads. In some embodiments, the fiber threads include doped multi-walled carbon nanotubes, such as doped double-walled carbon nanotubes. In some embodiments, the carbon nanotubes are functionalized with one or more functional groups. In some embodiments, the carbon nanotube fibers are doped with various dopants, such as iodine and antimony pentafluoride. In various embodiments, the carbon nanotube fibers of the present invention can include a plurality of intertwined fiber threads that are twisted in a parallel configuration with one another. In some embodiments, the carbon nanotube fibers include a plurality of fiber threads that are tied to one another in a serial configuration. In some embodiments, the carbon nanotube fibers of the present invention are also coated with one or more polymers.

Abstract: Elevator tension members are disclosed. The disclosed tension member longitudinally extends along a longitudinal axis and includes a plurality of fibers formed into one or more primary strands or cords extending parallel to the longitudinal axis and a plurality of fibers formed into one or more secondary strands or cords extending parallel to the longitudinal axis and through less than the full length of the belt, and a jacket retaining the primary and secondary strands or cords. The secondary strands or cords have a tensile modulus greater than a tensile modulus of the jacket and less than a tensile modulus of the primary strands or cords. Methods of making the tension member are also disclosed.

Abstract: Methods of making and using anti-tack additives for elastic fibers are disclosed. The elastic fibers include CE additive.

Abstract: A yarn spun from a plurality of nano-fibers is provided and is characterized in that at least some of the nano-fibers are folded with the folds occurring at predeterminable distances which are integer multiples of a specific spacing. The folds result from spinning the nano-fibers onto a plurality of moving conductive strips which are inclined to their direction of movement. A process and apparatus for producing such yarn is also provided.

Abstract: One embodiment relates to a method for producing cable. The method includes applying an insulative coating to each of a plurality of conductors to form a plurality of insulated conductors. The method further includes taking up the plurality of insulated conductors in a twisting system to twist the plurality of insulated conductors together and apply a first portion of a desired twist to the plurality of insulated conductors. The method further includes paying off the plurality of insulated conductors from the twisting system to further twist the plurality of insulated conductors together and apply a second portion of a desired twist to the plurality of insulated conductors to form a twisted plurality of insulated conductors.

Abstract: Hybrid rope (1) having a core containing synthetic yarns (5), surrounded by an outer containing steel wire strands (5), the rope being terminated at least at one of its ends by a socket (2) having a conically shaped space (3), which has a conical angle ? of between 2 and 8° and a length of between 5D and 20D, D being the smallest diameter of the conically shaped space, the core containing synthetic yarns and the steel wires having been untwisted at said at least one of the ends, the open space (6) around the untwisted wires and fibers in the hollow conical body of the socket being filled with a resin.

Abstract: There is disclosed a method of forming an eye end termination on a rope having a core comprising a plurality of multi-strand subropes, and a rope having a core comprising a plurality of multi-strand subropes and at least one eye end termination. In one embodiment, a method of forming an eye end termination (16) on a rope (10) having a core (12) is disclosed. The rope comprises a plurality of multi-strand subropes (14) each of a first strength, and the method comprising the steps of: coupling a pair of subropes (14) in the rope core (12) together using a multi-strand coupling rope (18) of a second strength which is greater than said first strength, to thereby form at least part of the eye end termination (16). The step of coupling the pair of subropes (14) together comprises splicing a first portion of a coupling rope (18) to one of the subropes in the pair of subropes, and splicing a second portion of the coupling rope to the other one of the subropes in the pair of subropes.

Abstract: This invention relates to a flame-resistant spun yarn, woven fabric, and protective garment, comprising a blend of 60 to 85 parts by weight of polyoxadiazole staple fiber and 15 to 40 parts by weight modacrylic staple fiber; based on 100 total parts of the polyoxadiazole staple fiber and modacrylic staple fiber in the yarn. This invention also relates to methods for making the yarn.

Abstract: A carbon nanotube film includes a first end and a second end. The second end is opposite to the first end. The carbon nanotube film includes a number of carbon nanotube wires and at least one first carbon nanotube film connected adjacent carbon nanotube wires of the number of carbon nanotube wires. The carbon nanotube wires fan out from the first end to the second end such that a distance between the adjacent carbon nanotube wires gradually increases from the first end to the second end. The carbon nanotube film defines an open angle. A method for making the above-mentioned carbon nanotube film is also provided.

Abstract: A method and system for manufacturing high-quality cable beads with efficiency. The method includes the steps of arranging a plurality of carriages carrying a core and a reel wound with a wire around a reel revolving means having at least two arms, attaching the core to a core rotating means for rotating the core in a circumferential direction by holding it with one of the arms and positioning the reel on one side of the core by holding it with the other of the arms, manufacturing a cable bead by revolving the reel by holding it alternately with each of the two arms, and returning the cable bead and the reel to the carriage using the two arms. Thus, the setting of the reel and the core, the manufacturing of a cable bead, and the returning of the cable bead and the reel back to the carriage are performed automatically.

Abstract: Helically stranded thermoplastic polymer composite cable (10) includes a single wire (2) defining a center longitudinal axis, a first multiplicity of thermoplastic polymer composite wire (4) helically stranded around the single wire (2), and a second multiplicity of polymer composite wire (6) helically stranded around the first multiplicity of thermoplastic polymer composite wire (4). The helically stranded thermoplastic polymer composite cable (10) may be used as intermediate articles that are later incorporated into final articles, such as electrical power transmission cables, including underwater tethers and underwater umbilicals. Methods of making and using the helically stranded thermoplastic polymer composite cables are also described.

Abstract: A rope with spiral teeth includes a first rope including a first core material with a first resin covering the first core material and a second rope including a second core material with a second resin covering the second core material. The second rope is spirally wound around an outer circumferential surface of the first rope. At least one of the first resin and the second resin contains an infrared reflectance adjusting material to make a temperature rise characteristic of the first resin and a temperature rise characteristic of the second resin different from each other, and the first rope and the second rope are bonded together, preferably without adhesive.

Abstract: A rope structure comprising a core component comprising core fibers combine to form a first rope structure and a first cover component comprising first cover strands comprising first cover fibers within a first matrix material. The first cover strands are arranged around at least a portion of the core component.

Abstract: Synthetic fiber rope for a crane, include a central strand having an inner core made of a synthetic resin and an inner cover made of synthetic fibers and connected to the inner core via braiding, a plurality of outer strands each of which includes an outer core made of a synthetic resin and an outer cover made of synthetic fibers and connected to the outer core via twisting and which are connected to the outer surface of the central strand via braiding, and a jacket made of synthetic fibers and braided to cover the surface of the plurality of outer strands. Method of manufacturing a synthetic fiber rope is also disclosed.

Abstract: To protect the end of a cable composed of a set of tendons individually held in an anchorage system, the device comprises a skirt extending from the front of the anchorage system and placed around the set of tendons, and several sleeves. The tendons have respective end portions which extend beyond the front of the anchorage system and which are individually received in the sleeves, said sleeves being sealed off beyond the end portions of the tendons. A connection between the skirt and the sleeves encloses a chamber delimited by the front of the anchorage system, the skirt, and the sleeves, the connection comprising an active stuffing box kind of system. The volume of this chamber is filled in with a filling product.

Abstract: A pneumatic tire for use on aircraft has a tread, a crown reinforcement, and a radial carcass reinforcement having at least one axially inner ply of textile cords wound around a pair of bead cores, at least one axially inner ply being wound around the bead core in each bead from inside to the outside forming outside turn-ups and at least one axially outer ply of textile cords extending from bead to bead along the turn-ups of the at least one axially inner ply. The at least one axially inner ply or at least one axially outer ply has merged cords having a percent elongation at break of 12% to less than 20% and a break strength greater than 1050 N with a linear density of greater than 9,000 dtex. Merged cord reinforcement is preferably used in the ply layers or strips of the crown reinforcement as well.

Abstract: The present invention relates to a flame-retardant cellulosic regenerated fiber for textile applications which for example also satisfies the demands of industrial dry cleaning, its use for the production of yarns and fabrics and a process for the production of these fibers.

Abstract: A termination for an end of a braid formed as a flat closed loop of braided strands expandable to an annular cylinder having a selected wall thickness includes a sleeve having a selected internal diameter. Spacers are configured to be applied on the braid such that when in contact with each other form an annular cylinder having an external diameter selected to fit inside the sleeve. The spacers have a bevel at one longitudinal end. A substantially cylindrical insert has a bevel at one longitudinal end at substantially a same bevel angle as on the spacers. A diameter of the insert combined with twice the wall thickness of the braid is larger than an internal diameter the spacers. When axial tension is applied to the braid, the bevel on the insert with braid thereon laterally urges the spacers outward. The sleeve limits lateral outward movement of the spacers.

Abstract: The invention relates to a fire resistant flame barrier lightweight fabric substrate consisting of a high temperature resistant continuous filament fiberglass core and a low temperature resistant staple fiber sheath treated with a durable or non-durable fire retardant agent prior to yarn formation. The invention also discloses a process for making a fire resistant corespun yarn by treating fibers with fire retardant agent to make the sheath of the corespun yarn.

Abstract: A rope structure comprising a plurality of rope subcomponents, a plurality of bundles, a plurality of first yarns, and a plurality of second yarns. The rope subcomponents are combined to form the rope structure. The bundles are combined to form the rope subcomponents. The first yarns are formed of at least one material selected from the group of materials comprising HMPE, LCP, Aramids, and PBO and have a breaking elongation of approximately 2%-5%. The plurality of second yarns are formed of at least one material selected from the group of materials comprising polyolefin, polyethylene, polypropylene, and blends or copolymers of the two and have a breaking elongation of approximately 2%-12%. The first and second yarns are combined to form the bundles.

Abstract: Method of manufacturing a metal cord with three concentric layers (C1, C2, C3), of the type rubberized in situ, i.e.

Abstract: The present disclosure provides a carbon nanotube wire structure. The carbon nanotube wire structure includes a flexible core and a carbon nanotube layer. The carbon nanotube layer wraps around the flexible core. The flexible core is a linear structure. The carbon nanotube layer includes a number of carbon nanotubes oriented around the flexible core in a helix manner. The present disclosure also provides a method for making the carbon nanotube wire structure.

Abstract: Disclosed are a hand-tearable adhesive tape which is made of a sheet woven with warps and wefts, in which the warps have a smaller titer than the wefts, and is coated with a flame retardant to provide flame retardancy and is with an adhesive agent, and a method for manufacturing the same. Advantageously, the hand-tearable adhesive tape can exhibit superior adhesive force, while providing flame retardancy and can be torn by hand.

Abstract: Method of manufacturing a metal cord with three concentric layers (C1, C2, C3), rubberized in situ, of M+N+P construction, comprising a first, internal, layer (C1) consisting of M wires of diameter d1, M varying from 1 to 4, around which there are wound together in a helix, at a pitch p2, in a second, intermediate, layer (C2), N wires of diameter d2, N varying from 3 to 12, around which there are wound together as a helix at a pitch p3, in a third, outer, layer (C3), P wires of diameter d3, P varying from 8 to 20, the said method comprising the following steps which are performed in line: an assembling step by twisting the N wires around the first layer (C1) in order to form, at a point named the “assembling point”, an intermediate cord named a “core strand” of M+N construction; downstream of the assembling point, a sheathing step in which the M+N core strand is sheathed with a rubber composition named “filling rubber” in the uncrosslinked state; an assembling step in which the P wires of the first layer (C3)

Abstract: A dental hygenic aid (910, 920, 930) comprising a bundle of linear elements, wherein each of said elements comprises multiple strands of natural fiber (800), and wherein at least a portion of said natural fiber-based strands have inherent anti-microbial properties.

Abstract: The present invention relates to a round sling, and more particularly, to a round sling and to a method for manufacturing same in which threads are twisted according to a predetermined fracture, coated with a conductor, and extrusion-molded together with a core tube. The thus-manufacturing round sling can be determined to be undamaged and used when the round sling conducts electric currents, and prevented from being used when the round sling does not conducts electric current and the round sling is determined to be damaged at a level higher than a preset damage level. Thus, the round sling of the present invention prevents negligent accidents.

Abstract: Manufacturing methods for an indigo fleck fancy yarn and for an indigo fleck fancy fabric are provided. The indigo fleck fancy yarn manufacturing method includes providing an original indigo yarn, oxidizing the original indigo yarn, reducing the oxidized indigo yarn, soap washing the reduced indigo yarn, and drying the soap washed indigo yarn to form an indigo fleck fancy yarn. The indigo fleck fancy yarn is an indigo yarn having irregular white area. The indigo fleck fancy fabric manufacturing method includes providing a plurality of indigo fleck fancy yarns made by the above indigo fleck fancy yarn manufacturing method, and using the indigo fleck fancy yarn to make an indigo fleck fancy fabric.

Abstract: The present invention relates to cables made of twisted conductor pairs. More specifically, the present invention relates to twisted pair communication cables for high-speed data communications applications. A twisted pair including at least two conductors extends along a generally longitudinal axis, with an insulation surrounding each of the conductors. The conductors are twisted generally longitudinally along the axis. A cable includes at least two twisted pairs and a filler. At least two of the cables are positioned along generally parallel axes for at least a predefined distance. The cables are configured to efficiently and accurately propagate high-speed data signals by, among other functions, limiting at least a subset of the following: impedance deviations, signal attenuation, and alien crosstalk along the predefined distance.

Abstract: The present invention relates to an insecticide-containing fabric containing at least one embedded insecticidally active ingredient in the polymeric matrix and having excellent wash resistance, and also to the products produced from this fabric and to their use for protecting humans, animals and plants against arthropods, particularly for controlling insects.

Abstract: A yarn spun from a plurality of nano-fibres is provided and is characterized in that at least some of the nano-fibres are folded with the folds occurring at predeterminable distances which are integer multiples of a specific spacing. The folds result from spinning the nano-fibres onto a plurality of moving conductive strips which are inclined to their direction of movement. A process and apparatus for producing such yarn is also provided.

Abstract: A new metal fiber yarn is provided. The metal fiber yarn (10) constitutes a construction comprising continuous metal fibers (13) forming a metal fiber yarn. The construction comprises at least 5 bundles (12) of continuous metal fibers twisted together to form a yarn. Each of the metal fiber bundles (12) comprises at least 30 metal fibers (13). The yarn comprises at least one partial yarn (11), said partial yarn comprising at least two metal fiber bundles (13) twisted around each other with a predetermined number of torsions per meter.

Abstract: A method for making a musical instrument string comprises providing a synthetic spider silk and forming the musical instrument string using the silk. A string for a musical instrument comprises a synthetic spider silk.

Abstract: A wire twisting device and a method for use is provided. One embodiment includes a plate having a wire engaging face, a tool engaging face, and a plurality or wire ports extending therethrough. The wires to be twisted are inserted through individual, appropriately sized wire ports which hold the wires in place relative to one another. A shaft operably connected to the tool engaging face is then rotated thereby rotating the plate and twisting the wires.

Abstract: An article comprising a fabric comprising: (a) a blended yarn comprising: (i) from about 10% to about 85% by weight of at least one biregional fiber comprising an oxidized polymer selected from the group consisting of acrylonitrile based homopolymers, acrylonitrile based copolymers, acrylonitrile based terpolymers, and combinations thereof; (ii) at least one companion fiber selected from the group consisting of FR polyester, FR nylon, FR rayon, FR treated cellulose, m-aramid, p-aramid, modacrylic, novoloid, melamine, wool, nylon, regenerated cellulose, polyvinyl chloride, antistatic fiber, poly(p-phenylene benzobisoxazole) (PBO), polybenzimidazole (PBI), polysulphonamide (PSA), and combinations thereof; and (b) optionally including a companion yarn different from said blended yarn; wherein said companion yarn includes p-aramid in an amount less than 20% of the fabric weight; and wherein the fabric has a weight from about 3 oz/yd2 to about 12 oz/yd2.

Abstract: A planar sheet comprises a plurality of polyamide yarns having a yarn modulus of from 3.7 to 6.8 N/dtex, an elongation to break of from 2.9 to 4.7% and a denier of from 130 to 15,000 and a plurality of steel wires wherein the steel wire is provided with a first crimp and a second crimp, the first crimp lying in a plane that is substantially different from the plane of the second crimp. The first and second crimp pitches and amplitudes of the steel wire are such that, when the steel wire and polyamide yarns are combined, the elongation to break of the wire is similar to that of the polyamide yarn. The wires and yarns are arranged such that they are oriented parallel to each other within the planar sheet. The sheet has utility in the construction of elastomeric components for tires and belts.

Abstract: A yarn manufacturing method is provided. The method includes providing a plurality of raw fibers, modifying at least one of the raw fibers to form at least one modified fiber, and spinning the raw fibers and the at least one modified fiber into a mixed yarn. A mixed yarn spun from the raw fibers and the modified fiber is also provided, wherein the modified fiber is modified from the raw fiber.

Abstract: The present invention relates to the production of textiles and more particularly pertains to a method for manufacturing cotton towels comprising the steps of: combining a yarn of 120S combed long staple cotton and a yarn of 10S combed long staple cotton by means of a double winder and winding onto a bobbin or bobbins after combining; feeding the bobbin or bobbins of the combined yarn into a double twister for plying; winding the plied yarn onto a bobbin and weaving into greige; impregnating the greige in the solution of a combined desizing, scouring and bleaching machine to be soaked and steamed for removing the sizes and the impurities in the cotton yarn; treating the greige by means of deoxidization, dyeing, enzymatic desizing, softening, relaxation drying and sewing into towels. The present invention adopts the 120S combed long staple cotton for plying which achieves a definitive binding effect on the loosened fibers on the surfaces of the yarn, thereby forming fewer fluffs on the surfaces of the towel.

Abstract: Insulated electrically conductive fibers or microwires of sizes on the order of 1 mil (25 microns) diameter, so as to be suitable for processing into yarns or multi-microwire bundles, for example, for incorporation into conformable fabric products or for use as wearable electronic circuitry are made by coprocessing a core of a lower-melting-point metal within a sheath of a higher-melting-point polymer.

Abstract: Polyamide 56 filaments having a relative viscosity in sulfuric acid of 3 to 8, an Mw/Mn ratio of 1.5 to 3, a single fiber fineness of 0.1 to 7 dtex, a strength of 7 to 12 cN/dtex, a shrinkage rate of 5 to 20% after having been subjected to boiling water treatment at 98° C. for 30 minutes, a strength of 5 to 11 cN/dtex after the boiling water treatment and a stress at 10% elongation of 0.3 to 1.5 cN/dtex after the boiling water treatment.

Abstract: The invention relates to a method for producing a towel, specifically a low twist towel, comprising the following steps: Z twisting a thick yarn and separately Z twisting a fine count yarn; unevenly S twisting the Z-twisted yarns to make the volume of the thick yarn more than that of the fine count; weaving the yarn to produce a fabric; processing the fabric with hot water to reduce inner tension in the yarn and make the fabric become fluffy. Fabric produced by this method can solve the dependency on PVA, reduce energy consumption and material consumption, and prevent water pollution. This method for producing a low twist towel is environmentally friendly, healthy, and energy saving.

Abstract: A water-insoluble polyglutamic acid (PGA) fiber and a preparation method thereof are provided. In the preparation method, the PGA is cross-linked by a cross-linking agent and then passes through a spinning nozzle to form PGA fibers. Therefore, the highly water-absorbing PGA, which cannot be spun by conventional methods, can be spun to form PGA fibers and maintain the high water-absorption ability.

Abstract: There are provided fibers having excellent mechanical strength such as tensile strength and elastic modulus and a polyamide that is a raw material of the fibers. The polyamide is a polyamide (X) which mainly comprises recurring units represented by the following formulae (A) and (B): has an inherent viscosity measured at 30° C. in 0.5 g/100 ml of concentrated sulfuric acid solution of 0.05 to 20 dl/g and has a substituent represented by the following formula (C): wherein Ar3 is a trivalent aromatic hydrocarbon group having 6 to 20 carbon atoms, and Ar4 is a monovalent aromatic hydrocarbon group having 6 to 20 carbon atoms, at at least some of terminals, and the fibers are fibers formed from the polyamide (X).

Abstract: Surface field electron emitters using a carbon nanotube yarn and a method of fabricating the same are disclosed. To fabricate the carbon nanotube yarn for use in fabrication of simple and efficient carbon nanotube field electron emitters, the method performs densification of the carbon nanotube yarn during rotation of a plying unit and heat treatment of the carbon nanotube yarn that has passed through the plying unit without using organic or inorganic binders or polymer pastes. The method fabricates the carbon nanotube yarn with excellent homogeneity and reproducibility through a simple process. The carbon nanotube yarn-based surface field electron emitters can be applied to various light emitting devices.

Abstract: The present invention discloses an easily alkali soluble polyester comprising at least one dicarboxylic acid or monoesters thereof or diesters thereof; at least one diol; at least one carboxylic acid anhydride; at least one sodium or lithium based aromatic co-monomer and at least one hydroxyl terminated polyester polyol. The polyester is produced by esterifying at least one dicarboxylic acid or monoesters thereof or diesters thereof and at least one diol alongwith at least one acid anhydride at a temperature in the range of 250 to 290° C. and pressure in the range of 0 to 5 kg/cm2g; and polycondensing the esterified mixture along with at least one sodium or lithium based aromatic compound and at least one hydroxyl terminated polyether polyol at temperature in the range of 250 to 290° C. and under vacuum of 0.1 to 10 torr.

Abstract: The invention relates to a method for producing a towel, specifically a low twist towel, comprising the following steps: Z twisting a thick yarn and separately Z twisting a fine count yarn; unevenly S twisting the Z-twisted yarns to make the volume of the thick yarn more than that of the fine count; weaving the yarn to produce a fabric; processing the fabric with hot water to reduce inner tension in the yarn and make the fabric become fluffy. Fabric produced by this method can solve the dependency on PVA, reduce energy consumption and material consumption, and prevent water pollution. This method for producing a low twist towel is environmentally friendly, healthy, and energy saving.