Class 57/228 - Crimped or bulked core

Subclass of Class 57 - Textiles: spinning, twisting, and twining
Definition: Subject matter wherein the core is composed of filamentous
No. of patents: 27
Last issue date: 07/22/2008

Number	Title	Issue Date
7402217	Untwisted wrapped singles yarns and carpets manufactured therefrom The yarns of the invention include untwisted wrapped singles yarns having a core strand and a wrapper yarn. The wrapper yarn is a base synthetic fiber and a heat-activated binder fiber with a melting point substantially below that of the base synthetic fiber. The Sa...	07/22/2008
7398640	Untwisted wrapped singles yarns and carpets manufactured therefrom The yarns of the invention include untwisted wrapped singles yarns having a core strand and a wrapper yarn. The wrapper yarn is a base synthetic fiber and a heat-activated binder fiber with a melting point substantially below that of the base synthetic fiber. The Sa...	07/15/2008
7303804	Pile cloth for cleaning A pile fabric comprises a base fabric and a pile layer composed of many cut piles extending from at least one face of the base fabric, and has a pile length of from 2 to 30 mm. The pile yarns forming the cut piles are core-sheath type composite yarns each comprising...	12/04/2007
6880320	Color effect yarn and process for the manufacture thereof A multicolored effect yarn for use in carpeting includes a core yarn which exhibits substantially zero twist and is formed of a multiplicity of BCF singles yarns, at least one of which has a different color from another, and which are entangled at first and second f...	04/19/2005
6658835	Untwisted wrapped singles yarns and carpets manufactured therefrom The yarns of the invention include untwisted wrapped singles yarns having a core strand and a wrapper yarn. The wrapper yarn is a base synthetic fiber and a heat-activated binder fiber with a melting point substantially below that of the base synthetic fi...	12/09/2003
6425237	Sewing yarn and process for the manufacture of a sewing yarn A sewing yarn is described, with at least two roving. yarns, which are twisted together with one another for the formation of the sewing yarn, whereby each roving yarn has the structure of a core yarn, comprising at least one first multifilament yarn comp...	07/30/2002
6405519	Composite, break-resistant sewing thread and method A composite, break-resistant sewing thread having a core of continuous multi-filament, non-stretch high-tenacity synthetic yarn and a cover of drafted staple fibers air-jet twisted around and covering the core for protecting the core from heat and frictio...	06/18/2002
6106921	Floor matting and yarn for its manufacture Entrance matting is made using a yarn comprising a wrapped bundle of thermoplastic strands having a maximum bundle thickness of 6600 denier and minimum bundle thickness of 5900 denier, with either ten or eleven strands, including a wrapping strand, with a...	08/22/2000
5568719	Composite yarn including a staple fiber covering a filament yarn component and confining the filament yarn component to a second thickness that is less than a first thickness of the filament in a relaxed state and a process for producing the same A method for manufacturing a composite yarn of staple fibers and continuous multifilament yarn. The multifilament yarn is made from non-set, textured, no oil, polyester and first pretensioned before entering a spinning chamber where it is co-spun with the...	10/29/1996
5383331	Composite comprising staple fiber and filament yarn A composite yarn comprises a staple fiber component that is formed by drafted sliver. A filament yarn component is formed by applying tension to a filament yarn initially having a crimp such that the crimp is temporarily substantially removed. The staple ...	01/24/1995
5318845	Conductive composite filament and process for producing the same A highly oriented, undrawn, conductive, composite filament is provided, which is white or colorless and has antistatic properties durable over a long period when clothing utilizing the fiber are actually put on and washed. The filament is a sheath-core co...	06/07/1994
5307614	Composite crimped yarn and woven fabric A composite crimped yarn comprising: at least two kinds of multifilament yarns, one of them being comprised of a crimped conjugate multifilament yarn comprising two kinds of polyester polymers different from each other in the heat shrinkability and positi...	05/03/1994
5146738	Thread having looped effect yarn intermingled with multi-filament core yarn A thread, suitable for use as a sewing thread, and having increased tenacity and reduced thermal shrinkage properties. A multi-filament core yarn for the thread is formed from a preoriented yarn having a titre of 100 dtex-1,000 dtex which has been turned ...	09/15/1992
4976097	Level-dyeable mix-spun false-twisted yarn Disclosed is a level-dyeable mixed false-twisted filament yarn composed of larger denier multifilaments (1) having a denier of 1 to 2.5 and smaller denier multifilaments (2) having a denier of 0.6 or less, which is characterized in that (a) the yarn compr...	12/11/1990
4711191	Monofilament-wrap texturizing method and product A plurality of heavy denier thermoplastic monofilaments is gathered together and continuously wrapped with a flexible wrapper yarn. The wrapped bundle is fed into a stuffer crimper to form a multiplicity of texturized bends. The product is a stiff, pliabl...	12/08/1987
4704856	False twisted differential tension yarn A continuous multifilament crimped polyamide or polypropylene yarn suitable for use in loop pile carpeting and the process for making the yarn including feeding the yarn at different tensions and then treating the yarn with saturated steam is disclosed....	11/10/1987
4542619	Core yarn and method and apparatus for making This invention discloses a yarn, and method and apparatus for making it, composed of a core component having yarn strength wrapped clockwise and counter-clockwise by wrapper components, wherein the core has a sinuous configuration and contains a greater l...	09/24/1985
4411129	Composite yarn A composite yarn comprising a component of staple fibres and a component formed by a continuous strand is spun on a friction spinning apparatus. Staple fibres are fed to a twisting zone where the fibres are twisted to form a staple strand with one end ope...	10/25/1983
4399853	Metal cord-rubber composite materials A composite material of rubber and metal cords embedded therein is disclosed. The metal cord is produced by twisting at least three metal filaments, and has an elongation under a load of 5.0 kg/cord (P1) of 0.2-1.2% and an elongation under a lo...	08/23/1983
4330989	False-twist-textured synthetic polymer filament yarn The invention is directed to filament yarns made from synthetic polymers and having false-twist texture, comprising a core filament group and a sheath filament group wrapped around and partially covering the core. The sheath filament group comprises at le...	05/25/1982
4321789	Process for spinning of core/mantle yarns and yarn products A process for the production of a core/mantle yarn, in which a core thread is continuously conducted through a spinning zone in a gap formed between two adjacent and oppositely moving surfaces; staple fibers are fed into the path of the core thread and co...	03/30/1982
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
4307565	Spun yarn-like textured composite yarn and a process for manufacturing the same Disclosed is a textured composite yarn composed of a first multifilament yarn having a lower extensibility and a second multifilament yarn having a higher extensibility, as well as a process for manufacturing such textured composite yarn. The first multif...	12/29/1981
4262480	Novelty yarn and method and apparatus of making same A decorative composite novelty yarn which has use as a craft item as in making floral decorations. The composite yarn includes a core including a deformable wire strand and a plurality of textured core yarns generally in aligned contact with each other an...	04/21/1981
4196574	Composite yarn and method of manufacture A composite yarn of a falsetwist textured continuous multifilament end and spun yarn end fluid entangled with an interyarn tangle factor of at least 20 is disclosed. The spun yarn end is wrapped around the continuous filament end in alternate and varying ...	04/08/1980
4192127	Method and apparatus for making monofilament twines A method of producing twine composed of a plurality of thermoplastic mono filaments in a bundle which comprises, passing a bundle of thermoplastic monofilaments continuously along a path, imparting a false twist of 3 to 30 turns per linear foot to said bu...	03/11/1980
4069657	Yarn texturing process Air-jet textured core/effect nylon yarn provides fabrics having better cover when the core component has been draw-oriented after conventional melt-spinning, and the effect component has been spin-oriented by melt-spinning at unusually high speed. The imp...	01/24/1978

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Class 57/228 - Crimped or bulked core