Matches 351 - 400 out of 409 < 1 2 3 4 5 6 7 8 9 >
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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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,...
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...
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...
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...
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...
3547763 BICOMPONENT ACRYLIC FIBER HAVING MODIFIED HELICAL CRIMP  
3533904 COMPOSITE POLYPROPYLENE FILAMENTS HAVING A HIGH DEGREE OF CRIMP  
3520770 POLYESTER COMPOSITE FILAMENTS AND METHOD OF PRODUCING SAME  
3515627 ACRYLIC COMPOSITE FIBERS HAVING IRREVERSIBLE THREE - DIMENSIONAL COIL CRIMPS  
3505165 BIFILAR POLYAMIDE YARNS AND FILAMENTS  
3505164 SELF-BULKING CONJUGATE FILAMENTS  
3489641 HETEROFILAMENTS FROM POLYAMIDES AND POLYESTERS  
3488251 SIDE-BY-SIDE SELF-CRIMPING CONJUGATE FILAMENTS  
3483691 BULKY YARN HAVING SNARLED FILAMENTS  
3463847 METHOD OF PRODUCING IMPROVED POLYAMIDIC FIBROUS MATERIAL HAVING THREE DIMENSIONAL CRIMPABILITY  
3439490 PRODUCTION OF BULKED YARNS  
3438841 PACKING MATERIAL  
3423923 CRIMPED MULTIFILAMENT YARN  
3388031 Crimped and crimpable vinylic filaments and fibers  
3278279 Uniformly porous product consisting basically of metal fibers and process of making it  
3252833 Stretchable tape  
3169937 Anti-corrosive plastisol composition comprising polyvinyl chloride and a compound selected from the group consisting of calcium plumbate, strontium plumbate and barium plumbate  
3111805 Randomly looped filamentary blend  
3103732 Composite bulky regenerated cellulose yarn  
3073005 Composite fibers  
3050823 Crimpable regenerated cellulose fibers and yarn  
3038240 Composite acrylonitrile fiber with negative reversible crimp  
3038236 Crimped textile products  
3038235 Textile fibers and their manufacture  
3038237 Novel crimped and crimpable filaments and their preparation  
2987797 Sheath and core textile filament  
2966430 Electric resistance elements  
2931091 Crimped textile filament  
2873512 Ferro magnetic core materials and methods of producing same  
Matches 351 - 400 out of 409 < 1 2 3 4 5 6 7 8 9 >