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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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.
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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