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5165993 Aromatic polyamide yarn impregnated with lubricating particles, a process for the manufacture of such a yarn, and packing material or rope containing this yarn  
The invention relates to a filament yarn of aromatic polyamides which is impregnated with solid particles of a fluorine-containing polymer and/or graphite. The solid particles are incorporated into...
5143786 Composite fibers, water-absorbing material using the composite fibers as a base material and method for producing the same  
The present invention uses, as a base material, a multi-layer film comprising more than two layers and formed from thermoplastic resins different in melting point from one another. A sectional...
5137782 Granular composite containing metal fibers and plastic articles made therefrom  
The granular composite is obtained by chopping a composite strand containing metal fibers, said fibers being embedded as bundles in a plastic and is to be used for the shaping of plastic articles....
5134013 Folding and crimping apparatus  
This invention comprises apparatus and methods for folding and crimping shredded strips of sheet material into preselected lengths of interlocking, decorative material and/or bulk packaging...
5130195 Reversible crimp bicomponent acrylic fibers  
An acrylic fiber tow is disclosed which comprises 1) monocomponent filaments of each of two acrylonitrile polymers differing in hydrophilic properties, 2) bicomponent filaments of both of said...
5120599 Controlled elongation fiber reinforced elastomeric fabric  
A lightweight, compliant, high strength fabric providing controlled stretch, and a process for its manufacture. The fabric is consolidated into a unitary structure from a single stacked-film matrix...
5116681 Anti-static yarns containing polystyrene  
A process wherein freshly-spun, undrawn, nonconductive filaments are combined with one or more spin-oriented, conductive filaments having a nonconductive component made from a major portion of...
5116680 Lightly bonded polyamide yarns and process therefor  
A substantially twist-free multifilament polyamide yarn particularly suited for use in cut pile carpet and the process for making the yarn including impinging the yarn with saturated steam is...
5104725 Batts and articles of new polyester fiberfill  
Batts and filled articles of polyester fiberfill of round peripheral cross-section, but containing voids arranged peripherally around an axial void, and preferably seven such voids in a hexagonal...
5102713 Carpet fiber blends and saxony carpets made therefrom  
A blend of low shrinkage polyester fibers and high shrinkage polyester fibers is described. In particular, the blend includes high shrinkage PET copolymers having boiling water shrinkages from 6 to...
5091252 Non-organic/polymer fiber composite and method of making same  
The present invention relates to a new and useful composite fiber. The composite fiber is comprised of non-organic particulates bound to an organic polymer in fiber form. Many non-organic...
5082720 Melt-bondable fibers for use in nonwoven web  
Melt-bondable, bicomponent fibers suitable for use in nonwoven articles, said fibers having as a first component a polymer capable of forming fibers and as a second component a compatible blend of...
5082731 Producing a copolyester from a lower dialkyl ester of terephthalic acid, a glycol and a dicarboxylic acid  
A process for producing a copolyester by copolymerizing the monomers from the ester interchange of a lower dialkyl ester of terephthalic acid and glycol and the direct esterification of a...
5071705 Composite fibres, water-absorbing material using the composite fibres as a base material and method for producing the same  
The present invention uses, as a base material, a multi-layer film comprising more than two layers and formed from thermoplastic resins different in melting point from one another. A sectional...
5068061 Electroconductive polymers containing carbonaceous fibers  
A composition comprising a thermoplastic electroconductive resin matrix containing a multiplicity of reinforcing carbonaceous fibers, the improvement which comprises said reinforcing fibers...
5063108 Continuous multi-filament polyester substrate readily adherable to a vinyl sheet  
A textured, continuous, multi-filament polyester yarn or fabric has a plasticizer incorporated onto the surface thereof and/or into the interfilamentary structure thereof either during the...
5059482 Composite fiber and process for producing the same  
Provided is a composite fiber comprising an ethylenevinyl alcohol copolymer (component A) and a polyester (component B) heterogeneously blended with each other. In the cross section of the fiber,...
5002814 Superabsorbent fibre flocks, methods for their production and application  
The invention relates to superabsorbent fibre flocks comprising a core of absorptive polymer wherein short polymer fibres have been embedded, such short polymer fibres protruding at least partially...
4997712 Conductive filaments containing polystyrene and anti-static yarns and carpets made therewith  
A process wherein freshly-spun, undrawn, nonconductive filaments are combined with one or more spin-oriented, conductive filaments having a nonconductive component made from a major portion of...
4992327 Synthetic down  
This invention relates to synthetic fiber thermal insulator material in the form of a cohesive fiber structure, which structure comprises an assemblage of: (a) from 70 to 95 weight percent of...
4975325 Self crimpable nylon 66 carpet yarn  
A melt-spinning process for producing self-crimping, nylon 66 carpet yarn at spinning speeds of, for example 4000 meters per minute is provided. The process utilizes polymer having a relative...
4970111 Flame retarding fusion bonded non-woven fabrics  
A fire resistant, non-dripping, fusion bonded, non-woven fabric or fabric structure comprising a synergistic blend of about 35 to 80% by weight of chlorine-containing polymeric fibers, about 2 to...
4957807 Nonlinear aromatic polyamide fiber or fiber assembly  
The invention resides in a nonlinear heat set aromatic polyamide fiber having a reversible deflection of greater than 1.2:1 at ambient temperatures, an aspect ratio of greater than 10:1, and a...
4957795 Absorbent elastomeric wound dressing  
An elastomeric nonwoven absorbent web is provided. The web comprises a nonwoven fibrous matrix of elastomeric melt-blown small diameter fibers and absorbent staple fibers or absorbent particulate...
4957794 Aramid fluff  
A composition is disclosed which comprises a fluff of aramid fibers wherein some of the aramid fibers are in the form of balls of the fluff. The composition is particularly useful for insulation,...
4950540 Method of improving the flame retarding and fire blocking characteristics of a fiber tow or yarn  
Flame retarding and fire barrier structure comprising a blend of carbonaceous fibers and natural and/or synthetic fibers. The carbonaceous fibers have a nitrogen content of 5 to 35%, an LOI value...
4950533 Flame retarding and fire blocking carbonaceous fiber structures and fabrics  
Flame retarding and fire barrier structure comprising a blend of carbonaceous fibers and natural and/or synthetic polymeric fibers. The carbonaceous fibers are present in the blend in an amount of...
4920000 Blend of cotton, nylon and heat-resistant fibers  
Heat resistant, durable woven fabrics are prepared with warp yarns comprising certain blends of cotton, nylon and heat resistant fibers.
4917943 Fiber containing aggregate and process for its preparation  
A fiber containing aggregate, for example, a filler material for covers or pillows, for cushioning or as a filter is described, together with a process for its preparation. In order to provide an...
4911980 Spherical fiber aggregate, in particular as a filler or cushioning material  
A spherical fiber aggregate, in particular as a filler and cushioning material of spherically entangled fibers and/or filaments, is described. In order to provide fiber balls of this generic type,...
4908269 Crimped polyester-yarn from cold drawn polyester-POY-yarn and process for its manufacture  
The invention concerns a crimped Polyester-yarn obtained from cold drawn Polyester-POY as well as a process for its manufacture. For this yarn the stress/strain course between 10 and 30% elongation...
4892772 Fiber reinforced resin sheets  
A composite sheet of a matrix resin reinforced with a unidirectional array of fiber lengths wherein each of the fiber lengths has alternating straight and excess lengths such that when the sheet is...
4883713 Moldable material reinforcement fibers with hydraulic or non-hydraulic binder and manufacturing thereof  
The invention concerns the reinforcement of a moldable material by means of fibers composed of a filiform body with, at each end, an anchoring device consisting a body in the shape of a solid of...
4882222 Carpet fiber blends  
A blend of conventional carpet fibers (e.g. nylon fibers) and high shrinkage fibers (e.g. acrylic fibers) is described. Saxony carpet made from the blend has better appearance retention...
4879168 Flame retarding and fire blocking fiber blends  
Flame retarding and fire barrier structure comprising a blend of carbonaceous fibers and natural and/or synthetic fibers. The carbonaceous fibers have a nitrogen content of 5 to 35%, an LOI value...
4876143 Rod material  
A rob material includes an elongated matrix made of synthetic resin, a plurality of first elongated textile elements, and a plurality of second elongated textile elements, the first and second...
4863565 Sheeted products formed from reticulated microbial cellulose  
A method and media for producing bacterial cellulose under agitated culture conditions resulting in sustained production over an average of 70 hours of at least 0.1 g/liter per hour are achieved. A...
4820574 Filling material for cushions and covers  
A filler material for cushions and covers, in particular with spherical fiber aggregates wherein individual cut fibers are intertwined, is described. The fiber aggregates are capable of forming...
4814229 Spherical fiber aggregate  
A spherical fiber aggregate having an inner core and outer covering, in particular as a filler material for cushions and covers wherein individual filaments or fibers are intertwined, is...
4803123 Process for production of fibrous carbon material  
A process for production of a fibrous carbon material is described, comprising contacting fibrous silicon carbide with a halogen element or a halogen compound to thereby remove a part or all of the...
4788104 Granular composite containing crimped fibers and plastic articles made therefrom  
This granular composite is obtained by chopping granules from a composite strand which contains at least one bundle of gear crimped fibers embedded in a polymer. The fibers can have reinforcing or...
4783364 Polyester fiberfill and process  
Polyester fiberfill having spiral-crimp, especially in the form of an omega (Ω), that is randomly-arranged and entangled in the form of fiberballs with a minimum of hairs extending from their...
4769202 Process of making a conveyor belt  
An apparatus and method for producing a conveyor belt made of urethane having reinforcement embedded therein which reinforcement permits the stretching of the belt under controlled conditions. The...
4767556 Low-sling fiber lubricant comprising shear-reduced, high molecular weight polyisobutylene  
Ultrahigh molecular weight (average mw at least about 5,000,000) polyisobutylene additives are compounded with mineral oil vehicles under very low shear conditions to provide consistently low-sling...
4755427 Reinforcing fibers  
A method and apparatus for forming reinforcing fibers for composites. The fibers comprise bundles of non-crystalline glass or carbon fibers formed in a helix and cut to small lengths for inclusion...
4752514 Cellular fiber with collapsed cells at bends  
A crimped fiber having a plurality of cells and bends characterized by the total area occupied by the cells within a cross-section of the fiber at the bends being less than 50% of the area occupied...
4740422 Multiple composite twine structure  
A composite structure comprises at least one ply comprising approximately parallel unidirected twines comprising helically-configured matrix-impregnated continuous strands of filament...
4721650 Partially oriented nylon yarn and process  
A polyamide (preferably nylon 66) partially oriented feed yarn contains a small amount of branching agent and has an elongation between 45 and 150%. The feed yarn can be textured by the friction...
4712366 Denier-mixed composite yarn, denier-mixed special thick and thin yarn, false twist yarn and denier-mixed shrinkage-mixed composite yarn  
The present invention relates to a denier-mixed composite yarn containing 20 weight percent or more coarse filaments whose single filament fineness is 3 deniers or more and 5 weight percent or more...
4704329 Annealed polyester filaments and a process for making them  
A process for annealing drawn polyester filaments with saturated steam of at least about 150 psig provides products with a novel fine structure that results in an improved balance of strength,...