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Class 57/315 - With drafting


Subclass of Class 57 - Textiles: spinning, twisting, and twining
Definition: Subject matter wherein fibrous material, usually in substantially
No. of patents: 150
Last issue date: 10/25/2011


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NumberTitleIssue Date
4825635Carbon fiber yarn
A process is provided for producing carbon fiber yarns which comprise an intimate association of carbon fibers having an average length of between 100 and 120 mm. The process comprises transforming tows of multifilaments whose count is between 0.5 and 1 d...
05/02/1989
4771596Method of making fiber composite
A fine heterogeneous hybrid spun yarn is blended from electrostatically conductive staple fibers and electrostatically non-conductive staple fibers so that the yarn is electrostatically conductive only over short discrete lengths. When used in pile fabric...
09/20/1988
4727626Control of fibers in apron drafting systems of machinery used in the spinning process
An improved fiber control for an apron drafting system of a spinning frame is disclosed which includes a rear pair of rolls (3, 6) a middle pair of rolls (2, 5), and a front pair of rolls (1, 4). A silver guidance zone is formed between upper apron 8 and ...
03/01/1988
4711079Roving blending for making sheath/core spun yarn
A ring spun yarn having good core cohesiveness, and complete sheath covering, the sheath comprising first fibers, such as cotton, and the core comprising second fibers having distinctly different properties than the first fibers, such as polyester, is pro...
12/08/1987
4700538Method and apparatus for handling a sliver
Textile slivers tend to loose their cohesion when travelling over long distances from one piece of storage or processing equipment to another such piece of equipment. This problem is overcome by subjecting the sliver to a false twisting process during its...
10/20/1987
4698956Composite yarn and method for making the same
A continuous process of making a blended yarn of staple fiber and long-fiber or filamentary material in which the long-fiber or filamentary material is passed through a rupture zone to produce lengths thereof which are fed directly into an air stream with...
10/13/1987
4669260Vertically-arranged rubbing finisher having symmetrically-located output bobbins with single slubbings
A vertically-arranged rubbing finisher has a plurality of rubbing units each traversed vertically by a pair of slubbings which are directed to respective winding devices for winding on respective spools to form single-slubbing bobbins. The two winding dev...
06/02/1987
4662164Separation, and phasing of sheath sliver around a core
A novel roving, and spun yarn produced from the roving, have a core and a sheath arrangement with substantially 100 percent of a first type of fiber in the sheath, and for a second type of fiber having distinctly different properties than the first fiber,...
05/05/1987
4606181Method and apparatus for producing spun yarns of various constructions
A method and apparatus for producing spun yarns of various constructions which includes separating a potentially highly productive drafting stage from a spinning process and thereafter by the use of an apparatus which can be used to spin and ply two yarns...
08/19/1986
4598537Method of manufacturing core yarns from fiber bands
Method of manufacturing core yarns from fiber bands. A part of the fibers of a fiber band is released from the fiber band and is deflected. These deflected fibers do not participate in the spinning process, but are wrapped around the twisted core in a plu...
07/08/1986
4541231Process for reinforced yarn with glass fiber core
A unique process for producing torque-free or balanced yarns of staple fibers with glass filament cores is disclosed. Staple fiber roving is fed through a drafting system. Glass filament is fed into the center of the staple fiber just prior to entering th...
09/17/1985
4495761Multicolored yarn and method
A multicolored spun yarn is provided which comprises a substantially untwisted bundle of core staple fibers and a plurality of staple fibers wrapped helically around said bundle of core staple fibers; the bundle of core staple fibers comprises a plurality...
01/29/1985
4484435Method and device for the production of textile fibre yarns
A method is disclosed in which a silver (2) of textile fibers is drawn in a drawing mechanism (3), strengthened in a wrapping unit (4) by wrapping with a fine filament yarn into a roving (5) and the latter is drawn in the drawing mechanism (11, 12) of a s...
11/27/1984
4484433Method for manufacturing a wrapped yarn, a wrapped yarn, and an apparatus for carrying out the method
A method and apparatus for manufacturing a multi-component yarn as well as a multi-component yarn produced thereby, in which staple fibers and at least one endless yarn are combined with each other in a defined manner such that a wrapped yarn will result ...
11/27/1984
4470253Spinning frame, preferably ring spinning frame
A spinning frame of the type having a main drafting zone through which two fiber bands move in spaced parallel relation for subsequent twisting into a single yarn is provided with a first pair of rollers located at the entrance to the main drafting zone, ...
09/11/1984
4466237Mixed 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
4387487High draft apparatus in spinning machine
A high draft apparatus in a spinning machine for forming a spun yarn from a roving or sliver. The draft apparatus comprises back rollers, apron-provided middle rollers and front rollers and a gripping and a pressing means for a sliver disposed on the fron...
06/14/1983
4384450Mixed 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
4369622Method and apparatus for drawing and blending textile materials
A method is disclosed for drawing and blending textile fiber and conductive metal filaments. The method is characterized by feeding at least one bundle of a first textile material through draw rollers of a drawing frame, unwinding at least one roll of a b...
01/25/1983
4357793Sliver-processing frame having drawing rollers
For automatic feeding of slivers through drawing rollers there is provided a sliver-processing frame having drawing rollers, tubes for conveying slivers to be drawn and a plurality of suction elements connected to a common source of low pressure wherein t...
11/09/1982
4350007Spinning frame
The spindles of a flyer spinning frame are each mounted in respective chambers which are defined by telescopically slidable rings. The lowest ring on each sleeve is sealingly fixed on a spindle rail, while the uppermost ring on each sleeve is attached to ...
09/21/1982
4290170Device for aligning the attenuating fiber mats
Device for aligning and attenuating soft or brittle fiber mats employing a rotating vacuum roller for gently grasping the fiber mats under sufficient compressive force to hold the same without breaking or otherwise damaging the fiber mats....
09/22/1981
4150462Draw frame device for spinning machines
A draw frame device for spinning machines is provided which includes a preassembled auxiliary draw frame stand formed of a hollow longitudinal pipe member having a plurality of supports welded thereto. The supports are configured for holding supporting ro...
04/24/1979
4130984Method and apparatus for making novelty yarn
A method and apparatus for making a novelty yarn, having relatively short varying length and varying size auxiliary strands randomly distributed therealong, on a spinning frame provided with a series of spaced pairs of rotatable drafting elements defining...
12/26/1978
4070818Method of making a core yarn
A slubbing is formed into a thin band by a plurality of pairs of rollers. A core filament is thereafter applied to each face of this band and the two core filaments and band are then spun together to form a core yarn comprising a coherent mass of fibers i...
01/31/1978
3969882Process and apparatus for fiber wetting in spinning device of the ring-spindle-traveler type
A spinning device includes a drafting apparatus for drawing fibers and a ring-spindle-traveler device positioned downstream of the drafting arrangement for receiving the drawn fibers from the drafting apparatus and for twisting the thus drawn fibers and w...
07/20/1976
3968635Textile coating apparatus and method
Method and apparatus for producing a coated and twisted textile product from discontinuous glass fibers that are effectively interengaged into a relatively loosely associated longitudinal sliver-like grouping. The uncoated grouping is advanced from a cont...
07/13/1976
3965664Method of making spun yarn
In a method of making spun yarn from staple fibers, a mix is formed which includes synthetic plastic staple fibers of at least three different titers. One of these titers is a medium titer which is within a range of 6 microns of the average titer of the s...
06/29/1976
3961471Production of yarn
This invention provides a method of forming fancy yarns which does not require a fancy twisting frame. The method according to the present invention involves supplying a fibrous foundation strand and a fibrous effect strand to a pair of drafting rollers, ...
06/08/1976
3945188Method of spinning synthetic textile fibers
Method of spinning threads consisting at least partially of synthetic fibers comprising stretch-breaking continuous filaments to obtain fibers having staple length distribution similar to that of natural fibers, crimping said fibers, and open-end spinning...
03/23/1976
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