Synthetic Material Patents (Class 57/255)
  • Patent number: 10870932
    Abstract: Flame resistant fabrics that provide protection against molten metal splash but that have improved comfort at a lower cost by predominantly locating the protective molten metal shedding fibers on the front face of the fabric. Concentrating the protective fibers predominantly on the front face of the fabric still provides good protection against molten metal adherence and allows for more comfortable and less expensive fibers to be used on the back face of the fabric positioned next to the wearer. In this way, overall protection of the fabric is maintained while improving comfort. Embodiments of such fabrics may also achieve NFPA 70E PPE Category 2 protection, for example ?8 cal/cm2 arc rating whether ATPV or EBT.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: December 22, 2020
    Assignee: Southern Mills, Inc.
    Inventors: Michael T. Stanhope, Dominique Janay Adams, Charles S. Dunn
  • Patent number: 10253437
    Abstract: An article of thermal protective clothing suitable for use in arc protection comprising a woven fabric comprising yarns comprising modacrylic fiber and aramid fiber, wherein 25 to 100 parts of the aramid fiber contain 0.5 to 20 weight percent discrete homogeneously dispersed carbon particles and 0 to 75 parts of the aramid fiber are free of discrete carbon particles; the fabric having an ATPV of 10 cal/cm2 or greater at a basis weight of 6 ounces per square yard (203 grams per square meter) or less, and a total content of 0.1 to 3 weight percent discrete carbon particles.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: April 9, 2019
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Reiyao Zhu
  • Patent number: 10077510
    Abstract: A gauze fabric includes a surface layer composed of twisted yarns, a back layer composed of twisted yarns, and a middle layer composed of twisted yarns. The middle layer is provided between the surface layer and the back layer. The surface layer and the back layer are directly and/or indirectly joined with each other. The twisted yarns in the surface layer are twisted yarns having twisting coefficient of 3.3 or less. The twisted yarns in the back layer are twisted yarns having twisting coefficient of 3.3 or less. The twisted yarns in the middle layer are twisted yarns having twisting coefficient of 3.5 or more. The gauze fabric has good touch feeling and is capable of being sewn.
    Type: Grant
    Filed: December 25, 2013
    Date of Patent: September 18, 2018
    Assignee: UCHINO CO., LTD.
    Inventor: Shuichi Hozumi
  • Patent number: 9121115
    Abstract: There is provided a cut resistant yarn comprising a blend of first and second staple fibers, wherein, the first staple fibers are polymer-fibers, each first staple fiber comprising a polymer body encasing 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 the second staple fibers are different to the first staple fibers, wherein the weight ratio of the first to second staple polymer-fibers is from 1:99 to 99:1.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: September 1, 2015
    Assignee: DSM IP ASSETS B.V.
    Inventors: Giovanni Joseph Ida Henssen, Peto Verdaasdonk
  • Publication number: 20150140886
    Abstract: An active fibre comprising material activated by an external stimulus, wherein the fibre has a first configuration in an unactivated state, and in response to activation by the external stimulus the fibre adopts a second, increased twist, configuration, relative to the first configuration, and wherein the fibre can reversibly move between the active state and the unactivated state.
    Type: Application
    Filed: May 28, 2013
    Publication date: May 21, 2015
    Applicant: MMT Textiles Limited
    Inventor: Veronika Kapsali
  • Publication number: 20150135677
    Abstract: According to a first aspect there is provided a yarn comprising one or more thermotropic liquid crystal polymer fibres blended with one or more further fibres, wherein only the further fibres are present in an outer layer of the yarn.
    Type: Application
    Filed: April 19, 2013
    Publication date: May 21, 2015
    Inventor: Keith Bloxsome
  • Publication number: 20150107216
    Abstract: Disclosed is a method for manufacturing a heat resistant spun yarn having improved elasticity even through low temperature heat treatment as compared to a known technology.
    Type: Application
    Filed: November 5, 2013
    Publication date: April 23, 2015
    Applicants: JIGU Co., Ltd.
    Inventors: Soo Hyun JEON, Young Kyoo PARK
  • Publication number: 20150107213
    Abstract: Rope (4) having an eye (2). The rope (4) comprises a first rope portion (8) and a second rope portion (10). The first rope portion (8) and the second rope portion (10) are spliced into each other for forming a spliced connection for obtaining the eye (2). The first rope portion (8) and the second rope portion (10) are formed from an end portion of the rope (4).
    Type: Application
    Filed: December 23, 2014
    Publication date: April 23, 2015
    Inventor: Adrianus Stout
  • Publication number: 20150052871
    Abstract: A yarn having characteristics required in a gland packing is obtained by, when the yarn is to be constructed by fibers such as organic fibers, finding relationships between the required characteristics and the value of the limiting oxygen index (LOI), and adequately defining the level of the required characteristics. A yarn is formed by twisting fibers having a limiting oxygen index of 21 to 30, preferably 22 to 26. The fibers contain fibers in which a flat ratio is defined as 1.1 to 2, the flat ratio being a value obtained by dividing the maximum value of an interval between two parallel straight lines in a state where a section of each of the fibers is interposed between the straight lines, by the minimum value. The fibers contain fibers in each of which a sectional shape has one or more recesses having a depth of 0.4 ?m or more.
    Type: Application
    Filed: August 14, 2014
    Publication date: February 26, 2015
    Inventors: Hiroki Hayashi, Takashi Kawasaki, Koichi Kataoka
  • Publication number: 20150033937
    Abstract: A method and apparatus for producing boron nitride nanotubes and continuous boron nitride nanotube yarn or tapes is provided. The apparatus includes rotating reaction tubes that allow for continuous chemical vapor deposition of boron nitride nanotubes. The rotation of the reaction tubes allows the boron nitride nanotubes to be spun into yarns or made into tapes, without post process or external rotation or spinning of the gathered nanotubes. Boron nitride nanotube yarns or tapes of great length can be produced as a result, thereby providing industry with a readily useable format for this type of material. Dopants such as carbon can be added to engineer the band gap of the nanotubes. Catalysts may be formed outside or inside the reactor.
    Type: Application
    Filed: July 30, 2014
    Publication date: February 5, 2015
    Applicant: UNIVERSITY OF NEW HAMPSHIRE
    Inventors: David S. Lashmore, Tyler Bennett
  • Patent number: 8826636
    Abstract: The invention relates to a method for obtaining high-tenacity aramid yarn, wherein the yarn is made of a copolymer obtained from a mixture of monomers comprising DAPBI, an aromatic para-diamine, and an aromatic para-diacid, wherein the yarn is heated in at least two process steps, characterized in that in a first step the yarn is heated at a temperature of 200 to 360° C. at a tension of at least 0.2 cN/dtex, followed by a second step wherein the yarn is heated at a temperature of 370 to 500° C. at a tension of less than 1 cN/dtex. The invention further pertains to a multifilament aramid yarn spun from a sulfuric acid spin dope and having a tenacity of at least 2500 mN/tex.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: September 9, 2014
    Assignee: Teijin Aramid B.V.
    Inventors: Hanneke Boerstoel, Johannes Bos, Adriaan Anton Schaap, Dennis Wilbers, Leonardus Antonuis Godfried Busscher, Antonius Henricus Maria Schotman, Kurt Rainer Hans-Heinrich Stolze
  • Publication number: 20140223879
    Abstract: The present invention relates to an aramid fiber cord which has high strength as well as good disk fatigue property such that, when it is used as a tire reinforcement, the degradation of its physical properties and the degradation of its adhesion strength with respect to a rubber after long and high speed driving can be minimized, and to a method for manufacturing the same. The aramid fiber cord of the present invention comprises an aramid cabled yarn; and an adhesive coated on an outer surface of the aramid cabled yarn, wherein penetration rate of the adhesive into the aramid cabled yarn is 3.5 to 9%.
    Type: Application
    Filed: September 26, 2012
    Publication date: August 14, 2014
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Min Ho Lee, Ok Wha Jeon
  • Publication number: 20140165529
    Abstract: The invention relates to a composite material in which at least one reinforcement thread is deposited on a surface according to a path having at least one curved area on the deposition surface, wherein the reinforcement thread is connected to the surface by a polymeric binder. A twist is applied to the reinforcement thread before the deposition thereof at least in order to compensate the length differences of the extreme paths of the thread on either side of the width as measured in a direction parallel to the deposition surface.
    Type: Application
    Filed: February 25, 2014
    Publication date: June 19, 2014
    Applicant: Hexcel Reinforcements, S.A.S.
    Inventors: Jean-Marc Beraud, Alain Bruyere
  • Publication number: 20140150398
    Abstract: This invention pertains to a tire, a transfer hose, a hydraulic hose, a conveyor belt or a power transmission belt comprising a structural fibrous reinforcing component, the component further comprising spun staple yarn having a linear density corresponding to a cotton count of from 17/1 to 10/5.
    Type: Application
    Filed: December 4, 2013
    Publication date: June 5, 2014
    Applicant: E ! Du Pont de Nemours And Company
    Inventors: DERYA GULSEN ONBILGER, Monty C McNeil
  • Patent number: 8707668
    Abstract: A blended yarn comprises a plurality of first fibers and a plurality of second fibers. A coefficient of friction of the second fibers is greater than a coefficient of friction of the first fibers. Abrasion resistance characteristics of the second fibers are greater than abrasion resistance properties of the first fibers. A gripping ability of the second fibers is greater than a gripping ability of the first fibers. The plurality of second fibers are combined with the plurality of first fibers such that the first fibers extend along the length of the blended yarn and the second fibers do not extend along the length of the blended yarn at least a portion of the second fibers are engaged with and extend from the plurality of first fibers effectively to define surface characteristics of the blended yarn.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: April 29, 2014
    Assignee: Samson Rope Technologies
    Inventors: Justin Gilmore, David E. O'Neal, Danielle D. Stenvers, Chia-Te Chou, Ronald L. Bryant, Eric Wayne McCorkle
  • Patent number: 8695319
    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.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: April 15, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventor: Reiyao Zhu
  • Publication number: 20140090349
    Abstract: A cut resistant yarn includes a core-spun core. A first layer includes a first filament made of a cut resistant material. The first layer is wrapped around the core-spun core in a first direction, A second layer including a second filament is wrapped around the first layer in a second direction that is opposite of the first direction.
    Type: Application
    Filed: September 10, 2013
    Publication date: April 3, 2014
    Inventors: ANGELA FISHER, Dean Bavetta
  • Publication number: 20140090548
    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.
    Type: Application
    Filed: May 15, 2012
    Publication date: April 3, 2014
    Applicants: Michelin Recherche et Technique S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventor: Vincent Abad
  • Publication number: 20140075659
    Abstract: A yarn comprises: (a) about 45% to about 85% by weight of regenerated cellulose fibers, the regenerated cellulose fibers having a dry tenacity of about 27 cN/tex or more, the regenerated cellulose fibers comprising a flame retardant compound within the fiber; and (b) about 5% to about 25% by weight of para-aramid fibers. A textile material, such as a fabric, comprises a plurality of these yarns. A garment, such as a shirt or a pant, comprises such a textile material. A method for protecting an individual from infrared radiation that can be generated during an arc flash utilizes such a textile material.
    Type: Application
    Filed: September 10, 2013
    Publication date: March 20, 2014
    Applicant: MILLIKEN & COMPANY
    Inventors: Shulong Li, J. Travis Greer, James D. Cliver
  • Publication number: 20140069563
    Abstract: Aramid/polyketone composite textile cord comprising at least one aramid multifilament strand and at least one polyketone multifilament strand that are twisted together, the constituent individual filaments of the aramid multifilament strand being twisted according to a twist factor K1 and the constituent individual filaments of the polyketone multifilament strand being twisted according to a twist factor K2, characterized in that in said cord: the aramid/polyketone weight ratio is greater than 1.5; the K2/K1 ratio is greater than 1.10. This textile cord can advantageously be used as a reinforcer in tyres, in particular in the belt or in the carcass reinforcement of these tyres.
    Type: Application
    Filed: April 25, 2012
    Publication date: March 13, 2014
    Applicants: MICHELIN RECHERCHE ET TECHNIQUE S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventor: Christophe Le Clerc
  • Publication number: 20130287990
    Abstract: An elastic composite twisted yarn includes a covered elastic yarn, having a core yarn formed of an elastic yarn and a sheath yarn formed of a thermoplastic multi filament, and first and second low stretch yarns formed of a thermoplastic multi-filament yarn or a spun yarn. The covered elastic yarn is drawn at a predetermined draw ratio to be inserted into the first low stretch yarn in a combined yarn state. The yarn in the combined yarn state and the second low stretch yarn are combined and twisted to obtain an elastic composite twisted yarn. A plurality of heteromorphic micro-loops formed of a constituent single fiber of the sheath yarn, which appears during the relaxation by a contractile force of the covered elastic yarn, protruding from the core yarn to a diameter direction, is usually incorporated into a constituent single fiber of the first low stretch yarn and thermally set.
    Type: Application
    Filed: April 25, 2012
    Publication date: October 31, 2013
    Applicant: MARUSHO SHOTEN CO., LTD.
    Inventor: Hidekazu Katagi
  • Publication number: 20130240105
    Abstract: An elastomer product containing a linear textile structure for reinforcement. In order to preserve the environment and resources with a constant product quality, the linear textile structure contains fibers made of polyamide 10.10.
    Type: Application
    Filed: January 2, 2013
    Publication date: September 19, 2013
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Peter Zmolek, Ulrich Speckhals, Joern Krueger, Carole Justine
  • Publication number: 20130232937
    Abstract: A spinnable, gel-free and thermally stable polyester composition includes 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 along with at least one acid anhydride at a temperature in the range of 250° C. to 290° C. and pressure in the range of 0 kg/cm2g 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 a temperature in the range of 250° C. to 290° C. and under vacuum of 0.1 torr to 10 torr.
    Type: Application
    Filed: September 6, 2012
    Publication date: September 12, 2013
    Applicant: Reliance Industries Limited
    Inventors: Vikas Madhusudan Nadkarni, Santosh Raghavendra Huilgol, Shilpa Girish Nayak, Ashwin Kumar Jain, Makarand Renukadas Megde, Sanjay Kesarwani
  • Publication number: 20130212790
    Abstract: A flame retardant fibre blend comprising: a flame retardant fibre blend comprising: 40% to 60% by weight of a modacrylic; 5% to 25% by weight of a natural cellulosic material; and 20% to 40% by weight of a FR viscose based material; wherein any remaining weight % is made up of any one or a combination of the modacrylic, cellulosic or FR viscose or of nylon in range trace to 7% or para-aramid fibre in the range trace to 7%. The fibre blend is particularly suitable for the manufacture of a ‘universal’ fabric configured to be resistant to flame, flash fire hazard, electric discharge and molten metal hazards.
    Type: Application
    Filed: March 15, 2013
    Publication date: August 22, 2013
    Inventors: Richard Waxman, Peter Seward
  • Patent number: 8475919
    Abstract: A fiber blend for yarns and fabrics for use in military, fire-fighting, industrial work wear, and first responder protective clothing to provide multifunctional protection to the wearer, the fiber blend including an aramid fiber blend, wool fibers, and electrostatic dissipative fibers, wherein the aramid fiber blend includes meta-aramid fibers, para-aramid fibers and electrostatic dissipative fibers.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: July 2, 2013
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventor: Carole A. Winterhalter
  • Publication number: 20130139306
    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.
    Type: Application
    Filed: December 5, 2011
    Publication date: June 6, 2013
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Reiyao Zhu
  • Publication number: 20120297745
    Abstract: Rope (4) having an eye (2). The rope (4) comprises a first rope portion (8) and a second rope portion (10). The first rope portion (8) and the second rope portion (10) are spliced into each other for forming a spliced connection for obtaining the eye (2). The first rope portion (8) and the second rope portion (10) are formed from an end portion of the rope (4).
    Type: Application
    Filed: December 10, 2010
    Publication date: November 29, 2012
    Applicant: Lankhorst Touwfabrieken B.V.
    Inventor: Adrianus Stout
  • Publication number: 20120278981
    Abstract: A protective weaved sportswear material comprises two strands of 400 denier ultra-high molecular weight polyethylene (UHMWPE) yarns having the same lengths and being twisted together over their length. The sportswear material comprises a sock, a shin guard sleeve, a forearm sleeve or a neck guard.
    Type: Application
    Filed: April 30, 2012
    Publication date: November 8, 2012
    Inventor: Steve Ialenti
  • Patent number: 8302375
    Abstract: Cut resistant yarn containing at least one single yarn, the single yarn containing high performance filaments and/or high performance staple fibers, characterized in that the single yarn containing the high performance filaments and/or the high performance staple fibers has a free volume of at least 15%. The yarn is suited for the production of protective garment, like gloves etc.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: November 6, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Johannes Elizabeth Adrianus Kriele, Giovanni Joseph Ida Henssen, Elisabeth E Müller
  • Patent number: 8302374
    Abstract: Cut resistant yarns are provided which include filaments and/or staple fibers, the filaments and/or staple fibers containing a hard component to improve cut resistance of the yarn. The hard component is preferably a plurality of hard fibers having an average diameter of at most 25 microns. The yarns are made by melting or dissolving a polymer while mixing the polymer and the plurality of hard fibers followed by spinning the yarn from the mixture.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: November 6, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Roelof R. Marissen, Evert Florentinus Florimondus De Danschutter, Elisabeth E. Mueller
  • Publication number: 20120186218
    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.
    Type: Application
    Filed: April 3, 2012
    Publication date: July 26, 2012
    Applicant: THE GOODYEAR TIRE & RUBBER COMPANY
    Inventors: Walter Kevin Westgate, Yuvaraj Senthil Arumugam, Robert John Gartland
  • Publication number: 20120174556
    Abstract: A composite hybrid cord comprising a core comprising of a first bundle of metal filaments and a plurality of cabled strands helically wound around the core, each cabled strand comprising of a plurality of synthetic filaments having a filament tenacity of from 10 to 40 grams per decitex helically wound around a center second bundle of metal filaments. The ratio of the largest cross sectional dimension of the first bundle of metal filaments to the largest cross sectional dimension of the second bundle of metal filaments is from 1.5:1 to 20:1. The synthetic filaments of the cabled strands have an elongation at break that is no more than 25 percent different from the elongation at break of the metal filaments of the first and second bundles.
    Type: Application
    Filed: July 13, 2011
    Publication date: July 12, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Serge Rebouillat, Olivier Rozant, Frederic Fleury
  • Publication number: 20120165496
    Abstract: Disclosed are an industrial high tenacity polyester fiber with superior creep properties and a method of preparing the fiber. The industrial polyester fiber has a mono-filament fineness of 5 to 15 dpf, an intrinsic viscosity of 0.8 to 1.25 dl/g, and a creep change rate of 4.7% or less, wherein the creep change rate is measured at 160° C. for 24 hours while giving a load corresponding to a strain of 3% after heat-treating the fiber at 220° C. for 2 minutes while giving a load of 1 g/d, and the load corresponding to the strain of 3% is based on a value obtained from a load-strain curve of the fiber before heat-treatment.
    Type: Application
    Filed: March 5, 2012
    Publication date: June 28, 2012
    Applicant: KOLON INDUSTRIES, INC.
    Inventor: Young-Soo LEE
  • Patent number: 8166743
    Abstract: This invention relates to a flame-resistant spun staple yarns and fabrics and garments comprising these yarns and methods of making the same. The yarns have 20 to 50 parts by weight of a polymeric staple fiber containing a structure derived from a monomer selected from the group consisting of 4,4?diaminodiphenyl sulfone, 3,3?diaminodiphenyl sulfone, and mixtures thereof; and 50 to 80 parts by weight of a rigid-rod staple fiber, based on 100 parts by weight of the polymeric fiber and the rigid-rod fiber in the yarn.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: May 1, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Reiyao Zhu, Vlodek Gabara
  • Publication number: 20120090289
    Abstract: Braided or twisted lines made from a) gel spun polyolefin yarns and b) at least one other yarn or monofilament are stretched to increase line tenacity. If desired, stretching conditions can also be chosen to significantly reduce the denier of the line.
    Type: Application
    Filed: October 18, 2010
    Publication date: April 19, 2012
    Applicant: PURE FISHING
    Inventors: Roger B. COOK, Jim THELEN, Joey L. MEYER
  • Publication number: 20110300366
    Abstract: The present invention relates to a yarn providing a fabric manufactured thereof with good resistance against cutting as well as thermoregulation properties, said yarn comprising cut-resistant fibers and moisture-wicking fibers wherein said cut-resistant fibers and said moisture-wicking fibers are staple fibers. The invention also relates to a fabric containing thereof and to clothing comprising said fabric.
    Type: Application
    Filed: November 26, 2009
    Publication date: December 8, 2011
    Applicant: DSM IP ASSETS B.V.
    Inventor: Giovanni Joseph Ida Henssen
  • Patent number: 8069642
    Abstract: A yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection, consisting essentially of (a) 50 to 60 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%; (b) 31 to 39 weight percent modacrylic fiber; and (c) 5 to 15 weight percent para-aramid fiber; said percentages on the basis of components (a), (b), and (c). In some embodiments, 1 to 3 weight percent of the meta-aramid fiber is replaced with an antistatic fiber comprising carbon or metal with the proviso that at least 50 weight percent meta-aramid fiber is maintained. Garments made from the yarns provide thermal protection such that a wearer would experience less than a 65 percent predicted body burn when exposed to a flash fire exposure of 4 seconds per ASTM F1930, while maintaining a Category 2 arc rating per ASTM F1959 and NFPA 70E.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: December 6, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Reiyao Zhu
  • Patent number: 8069643
    Abstract: A yarn, fabric, and garment suitable for use in arc and flame protection comprising aramid fiber and modacrylic fiber wherein the modacrylic fiber has less than 1.5 percent antimony and is preferably antimony-free. In one embodiment, the yarn, fabric, and/or garments consist essentially of (a) 50 to 80 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%, (b) 10 to 40 weight percent modacrylic fiber that is antimony-free, (c) 5 to 20 weight percent para-aramid fiber, and (d) 1 to 3 weight percent antistatic fiber, based on the total weight of components (a), (b), (c) and (d). In some embodiments, garments made from the yarns provide thermal protection such that a wearer would experience less than a 65 percent predicted body burn when exposed to a flash fire exposure of 4 seconds per ASTM F1930, while maintaining a Category 2 arc rating per ASTM F1959 and NFPA 70E.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: December 6, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Reiyao Zhu
  • Publication number: 20110214351
    Abstract: There is provided a method for producing a rope member, provided with a rope of a bundle of synthetic fibers and a clamping member fixed to the rope and forming a portion with which the rope is to be connected or fastened to an external member, wherein a filler having permeability to the rope and containing a liquid and particles of an inorganic material dispersed in the liquid is made to permeate into a part of the rope, and the clamping member is fixed to the rope by installing the clamping member to cover the part of the rope permeated with the filler and by tightening the clamping member. The liquid is evaporated and only the inorganic material particles remain between the fibers of the rope. The clamping member is prevented from slippage even when a high load is applied to the synthetic fiber rope having high tensile force.
    Type: Application
    Filed: December 17, 2010
    Publication date: September 8, 2011
    Applicant: KONGO CORPORATION
    Inventors: Okitsugu FURUYA, Akira MATSUZAKA, Kazuya NOGUCHI, Masanori FUNAYAMA
  • Publication number: 20110159264
    Abstract: The present invention is directed toward a multifunctional protective fabric and yarn. The fabric has a double knit interlock material of the yarns. The yarns include: a first filament being a liquid crystal polymer filament; and a second filament being selected from the group consisting of: modacrylic, polyacrylonitrile, nylon, glass, aramid, olefins, and combinations thereof. The weight ratio of the first filament to the second filament ranges from 20:80 to 99:1.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 30, 2011
    Inventor: Jeremiah Sullivan
  • Publication number: 20110133011
    Abstract: Included are multiend packages of multicomponent yarns, where the yarn is separable into individual ends upon unwinding. The multicomponent yarn may be a bicomponent yarn, such as a yarn including compositionally different polyesters in a side-by-side or eccentric sheath-core configuration. Uses of such multiend packages are also included.
    Type: Application
    Filed: March 19, 2009
    Publication date: June 9, 2011
    Applicant: INVISTA NORTH AMERICA S.A.R.L.
    Inventors: Kah Leap Lee, Young D. Nguyen, Raymond S.P. Leung, Paul Wu
  • Patent number: 7943699
    Abstract: Disclosed are films, tapes, and melt-spun fibers prepared from a composition comprising (a) at least one polyester polymer and (b) from about 1 to 30 weight % of at least one ethylene copolymer such as ethylene/vinyl acetate dipolymers, ethylene/vinyl acetate terpolymers, ethylene/alkyl (meth)acrylate dipolymers, ethylene/alkyl (meth)acrylate terpolymers, functionalized ethylene copolymers, ethylene/acid copolymers, and salts thereof. The films, tapes and fibers exhibit improved tensile properties such as tensile strength and elongation at break compared to non-modified polyester compositions. Also disclosed are textiles and articles prepared from the fibers described.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: May 17, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Loic Pierre Rolland, Sam Louis Samuels
  • Publication number: 20110083415
    Abstract: The invention relates to a gel spun, ultrahigh molecular weight polyethylene (UHMWPE) multifilament yarn characterized in that said yarn comprises individual monofilaments having a coefficient of variation of their linear density, hereafter CVintra, of less than 30%, wherein the CVintra of a monofilament was determined from linear density values corresponding to a number of 20 representative lengths randomly extracted by cutting from said monofilament and using Formula 1 wherein ?i is the linear density of any one of the representative lengths extracted from the monofilament under investigation and Formula 1A is the averaged linear density over the n=20 measured linear densities of said n=20 representative lengths. The invention also relates to a gel spun UHMWPE multifilament yarn characterized in that the yarn has a coefficient of variation in linear density between the monofilaments comprising said yarn, hereafter CVinter, of less than 50%.
    Type: Application
    Filed: April 9, 2009
    Publication date: April 14, 2011
    Inventors: Roelof Marissen, Harm Van der Weff, Joseph Arnold Paul Maria Simmelink, Evert Florentinus Florimon De Danschutter
  • Patent number: 7886515
    Abstract: The present invention provides a novel process for making yarn from a unique combination of fibers of cotton, nylon (preferably nylon6) and silver and a process for forming this yarn utilizing a unique sequencing of individual steps. The final yarn product is extremely strong, stable and useful for being woven into various fabrics and/or materials and, most particularly, possesses enhanced antimicrobial properties.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: February 15, 2011
    Assignee: AG Technologies, Inc.
    Inventor: I. Michael Indiano
  • Patent number: 7882688
    Abstract: A unique formulation for yarn from a novel combination of fibers of polyester and silver which is made by a special manufacturing process including proprietary individual steps. The formed yarn product is durable and useful and can be used to make various fabrics and/or materials and, most particularly, to make final products that possess highly advanced characteristics, particularly fire retardant properties and antimicrobial properties.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: February 8, 2011
    Assignee: AG Technologies, Inc.
    Inventor: I. Michael Indiano
  • Publication number: 20100330351
    Abstract: The invention relates to yarns and fabrics containing nylon staple fiber and high-tenacity man-made cellulosic staple fiber, and garments made therefrom, and has particular reference to fabrics having a high resistance to wear whilst retaining a high comfort level.
    Type: Application
    Filed: December 10, 2008
    Publication date: December 30, 2010
    Applicant: Lenzing AG
    Inventors: Marina Crnoja-Cosic, James Martin Taylor
  • Publication number: 20100326038
    Abstract: A high-strength cable is a high-strength cable that has a twisted layer 21 of non-metallic reinforcing elements in outer coatings. Reinforcing elements 41 and 42 have coating elements 50 and 60, fiber elements 51 and 61 of copolyparaphenylene-3,4?-oxydiphenyleneterephthalic amide disposed in the coating elements 50 and 60, and filling materials 52 and 62 filled between the fiber elements, respectively. The lateral compression stress of the fiber elements 51 and 61 of the copolyparaphenylene-3,4?-oxydiphenyleneterephthalic amide is 75 cN/dtex or more.
    Type: Application
    Filed: February 18, 2009
    Publication date: December 30, 2010
    Applicants: FURUKAWA ELECTRIC CO., LTD., JAPAN AGENCY FOR MARINE-EARTH SCIENCE AND TECH.
    Inventors: Yoshihiro Fujimoto, Katsuya Sakamoto, Tatsushi Fujimori, Hajime Izawa, Hiroyuki Osawa, Takashi Murashima, Kikuo Hashimoto
  • Publication number: 20100319313
    Abstract: The PTFE real twist yarn of the present invention is a PTFE real twist yarn obtained by twisting a polytetrafluoroethylene (PTFE) multi-filament slit yarn. The yarn has a circular cross-section with a circularity in the range of 10/8 to 10/10, where the circularity is expressed by the ratio between the major axis width and the minor axis width, the average fineness of filaments is in the range of 1.5 to 200 dtex, a fineness D is in the range of 50 to 6000 dtex, and a twist coefficient K expressed by Formula (1) is in the range of 10000 to 35000: twist coefficient K=number of twists T×(the fineness D of the PTFE real twist yarn)1/2??(1) where the number of twists T denotes the number of twists per meter and the fineness D is a total fineness.
    Type: Application
    Filed: June 14, 2010
    Publication date: December 23, 2010
    Applicant: YEU MING TAI CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: James HUANG, Chin-Chun CHOU, Chin-Cha CHOU, Wen-I KUO
  • Publication number: 20100313990
    Abstract: The polyester false-twist textured yarn of the present invention has a sheath part encapsulating an antistatic component, and is not susceptive to deformation of the false-twist, therefore a little fluff in false-twist texturing occurs. Thus, a polyester textile that is excellent also in antistatic performance, while maintaining such performances as soft feeling, warmth-retaining property, water-absorbing property, hygroscopic property that belong to an ultrafine polyester false-twist textured yarn. Further, since it is excellent in heat-resisting properties as compared with conventional polyetheramide-based antistatic agent, the yarn is excellent in wash durability when it is high-pressure dyed and can be suitably used for a textile for use in such applications as school uniform, uniform and dustproof wear for which static charge should be prevented.
    Type: Application
    Filed: October 26, 2007
    Publication date: December 16, 2010
    Applicant: TEIJIN FIBERS LIMITED
    Inventor: Suguru Nakajima
  • Publication number: 20100275568
    Abstract: It is a problem of the present invention to provide a normal pressure cationic dyeable polyester being cationic dyeable under normal pressure, and having high strength. The problem can be solved by a normal pressure cationic dyeable polyester, characterized by being a copolymerized polyester having a main repeating unit including ethylene terephthalate, and including, in an acid component forming the copolymerized polyester, a metal salt of sulfoisophthalic acid (A) and a compound (B) which is a phosphonium salt of sulfoisophthalic acid or the like in such a state as to simultaneously satisfy the two mathematical expressions. Preferably, the glass transition temperature of the copolymerized polyester is within the range of 70 to 85° C., and the intrinsic viscosity of the copolymerized polyester is within the range of 0.55 to 1.00 dL/g. Further, by melt spinning the copolymerized polyester, it is possible to provide a polyester fiber.
    Type: Application
    Filed: January 7, 2009
    Publication date: November 4, 2010
    Applicant: TEIJIN FIBERS LIMITED
    Inventors: Tetsuya Chikatsune, Kenji Kawamura, Kei Tachibana