Class 57/254 - Crimped or bulked fibers

Subclass of Class 57 - Textiles: spinning, twisting, and twining
Definition: Subject matter wherein at least one of the fibers in the
No. of patents: 32
Last issue date: 06/29/2004

Number	Title	Issue Date
6756107	Mounting mat for mounting an exhaust-gas catalytic converter A bearing mat for supporting an exhaust gas catalyst is configured as a binding agent-free, multi-layered flat structure made of thermally stable threads mechanically reinforced by quilting seams. The threads consist of a crimped yarn composed of filaments and are f...	06/29/2004
6716256	Method for preparation of slenderized animal fiber A slenderized crimped animal fiber with a fixed slenderized form having a lowering rate of tensile strength for undyed spun yarn of no less than 10%, fiber contraction in boiling water of no more than 1%, an alkali solubility of no more than 22% by weight and a UB s...	04/06/2004
5644906	Hot feed draw texturing for dark dyeing polyester A method is disclosed for increasing the dyeability of polyester yarn and comprises heating the partially oriented yarn to a temperature between its crystallization temperature and its melting point while preventing the partially oriented yarn from shrink...	07/08/1997
5342677	Composites with polyether ketone yarn There are described composites containing as the matrix a polymeric organic compound and as the reinforcing material polyether ketone (PEK) single, folded or cabled yarn or fabric formed from such single, folded or cabled yarn. In the composites of the in...	08/30/1994
5305593	Process for making spun yarn Spun yarns are made at high speeds of up to 220 meters per minute, using spinning techniques in which air is used to twist the fibers of a three component blend, one component of which consists of staple fibers made from electrically conductive filaments ...	04/26/1994
5284009	Fiber blends for improved carpet texture retention The present invention relates to ply-twisted yarns comprising fiber blends of about 70 to 90 weight percent base fiber and about 10 to 30 percent non-melt compatible polyolefin fiber having a melting point of about 130° to 170° C. The base fiber may be ...	02/08/1994
5188892	Spun textile yarns Spun textile yarns from new polyester staple fiber, and downstream textile articles, such as fabrics and garments, made from such, and blends thereof, wherein the staple fiber is of intentionally mixed denier, the higher denier being about twice the lower...	02/23/1993
5169467	Ink occlusion material for writing utensils According to the present invention, the ink occlusion material for writing utensils comprises a fiber bundle of a mixture of (a) and acrylic synthetic fiber and (b) at least one hydrophobic fiber selected from the group consisting of polyester fibers and ...	12/08/1992
5026603	Staple fibers and process for making them Staple fibers having a crimp frequency in the range of 3 to 6 crimps per centimeter are mae by a process including a co-crimping step in which conductive and nonconductive filaments are crimped together....	06/25/1991
4991387	Polyester and cotton blended yarn and polyester staple fiber stock used therein The present invention relates to a polyester and cotton blended yarn capable of obtaining a polyester and cotton blended fabric having a superior bulkiness and a soft touch, and a polyester staple fiber stock which is useful to obtain the blended yarn as ...	02/12/1991
4970854	Ink occlusion material for writing utensils The ink occlusion material for writing utensils according to the present invention comprises a fiber bundle of a mixture of an acrylic synthetic fiber and at least one hydrophobic fiber selected from the group consisting of polyester fibers and polypropyl...	11/20/1990
4918912	Cut and abrasion resistant spun yarns and fabrics Spun yarns and fabrics having a high level of both abrasion and cut-resistance are disclosed. Such yarns are made from a blend of about 40-60 percent para-aramid fiber, about 20-40 percent nylon fiber, and about 10-30 percent acrylic fiber. The yarns and ...	04/24/1990
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 characteristics than corresponding saxony carpet made from the conven...	11/21/1989
4869951	Method and materials for manufacture of anti-static cloth A yarn which is a blend of from 98.01% by weight of a conventional textile fiber or filament and from 2 to about 0.09% by weight of a non-linear anti-static carbonaceous filament or fiber....	09/26/1989
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 fine filaments whose single filament fineness is 1.5 deni...	12/15/1987
4634625	New fabrics, yarns and process Scalloped-oval cross-section for low denier filaments of partially-oriented polyester for new draw-texturing feed yarn, and a new process of draw-texturing to prepare corresponding polyester textured yarns for use in combination spun yarn/textured polyest...	01/06/1987
4489542	Spun like fiber yarn produced by interlacing Spun-like fiber yarn with interlaced threads, in which the fibers are of the same length. The spun yarn has alternating open, relatively bulky zones and closed, relatively compact zones. The open zones have a non-twisted structure with parallel strands. I...	12/25/1984
4472481	Carpet fiber blends A blend of crimped trilobal carpet fibers, each having a modification ratio and denier within specified ranges are provided. Carpets made from the fiber blend have an excellent overall balance of firmness, cover and luster....	09/18/1984
4466237	Mixed fiber length yarn A novel synthetic yarn is disclosed which comprises fibers of different lengths (as specified). At least three groups of synthetic fibers are present in the yarn, with the synthetic fibers within each group being substantially uniform in length. The subst...	08/21/1984
4384450	Mixed fiber length yarn A novel synthetic yarn is disclosed which comprises fibers of different lengths (as specified). At least three groups of synthetic fibers are present in the yarn, with the synthetic fibers within each group being substantially uniform in length. The subst...	05/24/1983
4324095	Process for preparing slub yarns Slub yarns are prepared by adding 10-50% by weight 0.25 to 1 in. long bicomponent acrylic fibers having a density of about 1.0 to 1.17 g/cm3 and an equilibrium crimp reversibility of at least about 20% with staple fibers during or before cardin...	04/13/1982
4307566	Bulky spun yarn and a method for manufacturing the same from a combination of thermally extensible and thermally shrinkable fibers A double layered yarn having a sheath and core structure is prepared through a roving process, drawing process or fine spinning process. The sheath portion of the yarn is composed of staple fibers which have a high thermal shrinkage in boiling water of at...	12/29/1981
4304817	Polyester fiberfill blends A fiberfill blend for making into a batt for heat-bonding of said batt to make it especially suitable for use in garments, consisting essentially of three ingredients: (a) two of the ingredients are crimped polyester staple fiber of lower denier than has ...	12/08/1981
4263777	Multi-layered bulky spun yarn and a process for manufacturing the same A roving formed from a first kind of staple fibers, each of which is at least 3 denier, is interposed with a randomly mixed sliver formed from a second kind of staple fibers, each of which is between 1.5 denier and 3 denier, and a third kind of staple fib...	04/28/1981
4244173	Boucle yarn and process for its preparation A boucle yarn is prepared by relaxed heat treatment of a precursor yarn prepared by combination of a low shrinkage filament or yarn or monofil at the back of the front roller of a spinning frame with a roving of high shrinkage fibers followed by twisting ...	01/13/1981
4141121	Apparatus for producing fluid jet teased yarns from short/medium staple multifiber spun yarns An apparatus for producing a novel teased yarn having teased, hairy, fluffy, fuzzed character without loops resembling angora, alpaca and the like yarns from multifiber spun yarns of short to medium staple, and the resulting yarn produced thereby, wherein...	02/27/1979
4062177	Spun yarn and process for manufacturing the same This invention relates to a novel spun yarn composed of staple fibers only and having the average number of fibers in cross section and the rate of yarn evenness being within a limited range, and a process for manufacturing the same directly from continuo...	12/13/1977
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 same, are disclosed. These crimped bicomponent fibers are useful...	12/06/1977
4035884	Process for the production of bulk yarns The invention relates to a process for the production of bulk yarns from chemically different acrylonitrile polymers....	07/19/1977
3994122	Mixed cross-section staple filament mixtures and yarn therefrom Crimped polyamide staple filament mixtures and yarn therefrom having a high bulk, high luster free from objectionable sparkle and glitter, and improved resistance to soiling are produced. The novel yarn is a blend of trilobal polyamide filaments having di...	11/30/1976
3988882	Method and apparatus for simultaneously texturizing and cutting continuous yarns Methods of and apparatus for processing yarn in order to texturize and cut the yarn include using a fluid to direct yarn into a tube having a rotating spindle therein around which the yarn forms a wad. At least part of the fluid is exhausted from the tube...	11/02/1976
3949544	Process for producing high bulky yarn by false-twisting system A fibrous strand including at least some short fibers and composed of two or more kinds of fibers of different melting point temperatures is, concurrently with false twisting, and in a vibrating condition, heated by a heater of the non-contact type at tem...	04/13/1976

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Class 57/254 - Crimped or bulked fibers