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4115620 |
Conjugate filaments
Conjugate filaments which exhibit a high degree of spontaneous crimp and good modulus are described. The filaments comprise at least 2 components, one of which being a blend of polypropylene with 5...
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4069363 |
Crimpable nylon bicomponent filament and fabrics made therefrom
A crimpable, nylon bicomponent filament having a sheath of a selected polyamide on an eccentric core of a random copolymer of hexamethylene dodecanedioamide and ε-caproamide units. The copolymer...
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4060968 |
Polyester fibers having wool-like hand and process for producing same
Bicomponent polyester fibers exhibiting a hand similar to wool, a crimp contraction less than 60%, and a crimp frequency of at least 7 half-waves per centimeter, and the process for producing the...
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4048371 |
Fasces fibers
Fasces fibers consisting of fascicles of filaments bonded together at joints are disclosed. The joints may be focal or may be dispersed through the fiber fascicles in a statistical or predetermined...
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4008344 |
Multi-component fiber, the method for making said and polyurethane matrix sheets formed from said
A multi-component thermoplastic fiber comprising a specified component of a copolymer of the vinyl series, and having very excellent drawability at a low temperature and excellent dimensional...
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4002795 |
Crimped yarns and method for making them
This invention provides yarns of randomly crimped filaments which are associated together into a substantially cylindrical yarn. The filaments are made by extruding two different synthetic organic...
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3973073 |
Bicomponent polyester filaments and process for making same
Bicomponent polyester filaments are disclosed, wherein the filaments are made of at least two different, substantially unmixed components, each present in an amount of at least 20% by weight of the...
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3924045 |
Multi-layer conjugate fiber and process and apparatus for the preparation thereof
Different fluid polymers are continuously discharged into a limited space, at the same time, with passages for the polymers being moved relative to spinning orifices of a spinneret. A multiple...
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3908582 |
Warning underground sheathed tape
A tape adapted to be buried beneath the ground to provide a warning to operators of equipment on which digging or probing elements are carried of the proximity of underground facilities which might...
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3901989 |
Composite filament
A crimpable composite filament wherein the one component is homogeneous polyamide and the other random copolyamide, is provided. The obtained filament is superior in crimp developing ability and...
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3900624 |
Static charge resistant synthetic yarns
A static-charge resistant yarn constituted by a ribbon having rough or abraded faces which are vacuum-plated with tin or other non-oxidizing metal that impregnates the ribbon to create a...
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3786228 |
ELECTRIC SOLDERING IRON TIP
An electric soldering iron tip includes a U-shaped metallic heating member formed from an elongated strip of Kovar or other low expansion iron-nickel alloys. The base portion of the U-shaped...
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3779853 |
CRIMPABLE BICOMPONENT FILAMENT
Improved bicomponent filaments for use in stretch hosiery are composed of a poly(hexamethylenedodecanedioamide) component and an N-alkyl substituted poly(hexamethylenedodecanedioamide) component....
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3713934 |
METHOD OF PRODUCING FRICTION FACINGS
A friction facing for clutches and the like is disclosed which incorporates at least one yarn of filamentary glass fibers in the friction material prior to final fabrication to improve the burst...
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3675408 |
POLYAMIDE FILAMENTS
A linear terpolyamide derived from 80 percent by weight of hexamethylene diammonium adipate, 10 percent by weight of caprolactam and 10 percent by weight of hexamethylene diammonium isophthalate is...
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3671619 |
CRIMP RESERVATION PROCESS
There is disclosed a process for reserving and redeveloping crimp involving removing the crimp from self-crimped composite fibers, which originally developed their crimp under rather severe...
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3664914 |
BIFILAR COMPOUND FILAMENTS OF POLYAMIDES
Bicomponent filaments having a slight non-linear crimp are prepared by spinning a conjugated filament from polyaurolactam and a second linear, readily crystallizable homo- or co-polyamide,...
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3626442 |
BICOMPONENT POLYESTER TEXTILE FILAMENT
A crimpable composite textile filament having two longitudinally extending components, one of said components consisting essentially of poly(1,4-cyclohexylene dimethylene terephthalate) and the...
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3607610 |
CRIMPED COMPOSITE FILAMENTS OF POLYCAPROLACTAM OR POLYHEXAMETHYLENE ADIPAMIDE, AND A TERPOLYAMIDE OF E-CAPROLACTAM, HEXAMETHYLENEDIAMMONIUM ADIPATE, HEXAMETHYLENE DIAMMONIUM SEBACATE
Composite filaments capable of giving excellent crimped yarns are obtained by using, in the production of polyamide composite filaments, the terpolyamide 6/66/610 as a copolymer to be used in...
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3604196 |
METHOD OF MAKING LATENTLY CRIMPABLE YARN FROM POLYBLEND AND PRODUCT
A multifilament fine denier latently crimpable yarn from a polymeric blend of incompatible thermoplastic polymers such as a polycaproamide/polyethylene terephthalate and/or polypropylene blend; and...
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3583147 |
HEAT-SET MECHANICALLY CRIMPED FILAMENTS HAVING DIFFERENT POLYAMIDE COMPOSITIONS
A bulky yarn may be prepared by mechanically crimping yarns of intermingled continuous filaments having at least two different compositions. Typically one of the compositions is a polyamide derived...
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3547763 |
BICOMPONENT ACRYLIC FIBER HAVING MODIFIED HELICAL CRIMP
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3533904 |
COMPOSITE POLYPROPYLENE FILAMENTS HAVING A HIGH DEGREE OF CRIMP
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3520770 |
POLYESTER COMPOSITE FILAMENTS AND METHOD OF PRODUCING SAME
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3515627 |
ACRYLIC COMPOSITE FIBERS HAVING IRREVERSIBLE THREE - DIMENSIONAL COIL CRIMPS
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3505165 |
BIFILAR POLYAMIDE YARNS AND FILAMENTS
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3505164 |
SELF-BULKING CONJUGATE FILAMENTS
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3489641 |
HETEROFILAMENTS FROM POLYAMIDES AND POLYESTERS
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3488251 |
SIDE-BY-SIDE SELF-CRIMPING CONJUGATE FILAMENTS
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3483691 |
BULKY YARN HAVING SNARLED FILAMENTS
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3463847 |
METHOD OF PRODUCING IMPROVED POLYAMIDIC FIBROUS MATERIAL HAVING THREE DIMENSIONAL CRIMPABILITY
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3439490 |
PRODUCTION OF BULKED YARNS
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3438841 |
PACKING MATERIAL
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3423923 |
CRIMPED MULTIFILAMENT YARN
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3388031 |
Crimped and crimpable vinylic filaments and fibers
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3278279 |
Uniformly porous product consisting basically of metal fibers and process of making it
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3252833 |
Stretchable tape
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3169937 |
Anti-corrosive plastisol composition comprising polyvinyl chloride and a compound selected from the group consisting of calcium plumbate, strontium plumbate and barium plumbate
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3111805 |
Randomly looped filamentary blend
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3103732 |
Composite bulky regenerated cellulose yarn
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3073005 |
Composite fibers
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3050823 |
Crimpable regenerated cellulose fibers and yarn
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3038240 |
Composite acrylonitrile fiber with negative reversible crimp
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3038236 |
Crimped textile products
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3038235 |
Textile fibers and their manufacture
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3038237 |
Novel crimped and crimpable filaments and their preparation
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2987797 |
Sheath and core textile filament
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2966430 |
Electric resistance elements
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2931091 |
Crimped textile filament
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2873512 |
Ferro magnetic core materials and methods of producing same
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