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Class 57/401 - Friction


Subclass of Class 57 - Textiles: spinning, twisting, and twining
Definition: Subject matter wherein the rotation of the strand about
No. of patents: 211
Last issue date: 11/27/2007


1            
NumberTitleIssue Date
7299967Method for manufacturing plate stacks, particularly coolers or cooler elements made up of plate stacks
The invention relates to an innovative method for manufacturing plate stacks, particularly for manufacturing coolers or cooler elements or heat sinks at least one plate stack, with at least two plate-shaped elements made of metal, for example copper, and provided wi...
11/27/2007
7225558Cross-machine flow and profile control for through-air devices treating permeable webs
A through-air device includes a permeable roll having a hollow interior and mounted for rotation about a longitudinal axis. At least one divider is located in the hollow interior so as to define a plurality of roll channels within the roll, the roll channels being p...
06/05/2007
7066882System, method and apparatus for regulating vacuum supplied to surgical tools
A system, method and apparatus for regulating vacuum applied to surgical suction devices allowing the use of a single vacuum regulator and associated canister to provide vacuum to two suction devices, such as a suction stabilizer and a suction retractor. Vacuum cont...
06/27/2006
7040482Bearing life extender for conveyor type rollers
Rollers used on conveyors and inside the zinc-pot of a steel-sheet galvanizing line are usually driven by friction between the roller and the belt or sheet. Such rollers operating in high temperature furnaces or in a hot zinc pot of a steel galvanizing line often ha...
05/09/2006
6948303Process and arrangement for spinning yarn
A process is disclosed for a spinning arrangement for dealing with the correction of an end break. During operation, sliver-like fiber material fed to the spinning arrangement is opened to single fibers by means of an opening roller. The single fibers are then trans...
09/27/2005
6725641Method of manufacturing a reinforcing thread
The invention is a method of manufacturing, by friction spinning, a reinforcing thread (1) for fabric covering or a technical textile intended to be incorporated in a textile base, in which: the spinning machine (7) is supplied with a core threa...
04/27/2004
6308507Method of and apparatus for producing a textile yarn
Singled fibers from a fiber strand, separated by a rotor, are collected by suction on a continuously moving surface of a perforated belt or rotary drum. The fiber packet is not formed with a twist in this region and, only upon transfer to a downstream reg...
10/30/2001
6212868Arrangement for non-contact revolution counting of an open-end spinning rotor
The spinning rotors of open-end spinning aggregates are supported on supporting discs. For the purposes of non-contact revolution counting, a front side of a supporting disc is provided with at least one permanent magnet. A signal receiver of a maintenanc...
04/10/2001
6092356Process and apparatus for open-end spinning
A process for open-end spinning provides for at least one sliver being opened into single fibers. A wide fiber veil is formed from parallel single fibers extending in the direction of motion, which fiber veil is fed to a transporting surface by means of a...
07/25/2000
6058693Spinning process and apparatus for performing same
A spinning process provides for opening at least one sliver to single fibers and for depositing the single fibers on a moving collecting surface in the form of an expanded fiber veil. During transport on the collecting surface and, if required on a moving...
05/09/2000
5974778Arrangement for open-end spinning comprising a driven suction roller
In the case of an arrangement for open-end spinning, a driven suction roller is provided which in a take-up zone takes up fiber material opened to single fibers and transports it to a suctioned yarn formation line. The yarn formation line is defined by a ...
11/02/1999
5899056Spinning process for producing a yarn
In a spinning process for producing a yarn, fiber material in the form of at least one sliver is opened to a fibrous veil consisting of single fibers, and is deposited on an air-permeable suctioned collecting surface. The speed of the fibrous veil transpo...
05/04/1999
5890356Open-end fiber veil spinning apparatus and method
In a process for open-end spinning at least one sliver is opened to single fibers, which form a fiber veil. The single fibers are fed to a rotating collecting surface which is driven transversely to their travel direction, and are withdrawn from the colle...
04/06/1999
5802826Production of core/wrap yarns by airjet and friction spinning in tandem
Core/wrap yarn is produced by continuously forming air jet-spun yarn and uninterruptedly continuously passing it to a friction spinner for purposes of wrapping the air jet-spun yarn with fibrous material in the friction spinner, so as to form core/wrap ya...
09/08/1998
5778653Suction roller for an open-end spinning machine
In the case of an open-end spinning machine, a suction roller is provided which serves to transport a fiber veil, expanding transversely to the circumferential direction of the suction roller, to a yarn formation line. The length of the transport path and...
07/14/1998
5768878Open-end spinning process and apparatus for performing same
In a process in open-end spinning at least one sliver is opened into single fibers. A collecting surface, rotating at a higher speed than the opened single fibers takes up these as soon as they have left the opening area. The single fibers are taken along...
06/23/1998
5768879Open-end spinning process and apparatus for performing same
In a process in open-end spinning at least one sliver is opened into single fibers. A transfer surface, rotating at a higher speed than the opened single fibers, takes up same already in the opening area. The single fibers are taken along transversely to ...
06/23/1998
5514479Functional coatings comprising light emitting particles
Disclosed herein is process method and articles of plated coating having functions ranging from wear resistance, lubricity, corrosion resistance, and further incorporating therein particulate matter having light emitting properties. Having this codeposite...
05/07/1996
5497609Spinning of yarn
A method and apparatus for spinning fibres into yarn including providing a supply of fibres, providing a yarn-building region, opening fibres from the supply into the region, landing opened fibres in said region, removing energy from landing fibres, build...
03/12/1996
5268221Fiber reinforced rubber articles
A rubber article having a fiber reinforcement embedded therein. The reinforcement comprises a cylindrically braided cord of an even number of twisted yarns of four or more, an equal number having an twist, i.e. twisted to the right, and a Z-twist, i.e. tw...
12/07/1993
5241813Spinning process and device for the production of a yarn
The present invention relates to a spinning process and device for the production of yarn. Fibers are conveyed through a feeding channel from an opening roller and deposited onto a perforated collection surface, such as a perforated roll or disk, which is...
09/07/1993
5206085Preformed yarn useful for forming composite articles and process for producing same
A preformed yarn useful for forming composite articles is disclosed which includes a core of a multiplicity of fibers, fine powder provided in the interstices between the fibers, and a flexible sleeve formed of a thermoplastic resin and surrounding the co...
04/27/1993
5033262Method of forming a corespun yarn for fire resistant safety apparel
The corespun yarn is formed on a friction spinning apparatus and comprises three components, including a core of high temperature resistant fibers, a core wrapper of low temperature resistant fibers surrounding and covering the core, and an outer sheath o...
07/23/1991
4938018Friction spinning machine
A friction spinning machine comprising a perforated roller (6) and an imperforate roller (19) is so designed that high-quality yarn can be produced in various sizes and with adequate strengths at a relatively high rate of output. The adjustment parameters...
07/03/1990
4918913Method of, and device for, performing a start spinning operation for spinning of a yarn in a friction spinning apparatus
For performing a start spinning operation in a friction spinning apparatus, upon starting or recommencing spinning of a yarn after yarn breakage, there are accomplished the following steps: fibers opened in a fiber sliver opening device are delivered by a...
04/24/1990
4901518Open end friction spinning device for production of a yarn or the like
The wall of the friction spinning element has bores or holes with a predeterminate bore diameter and a coating on their side facing a fiber feed duct, the coating extending over the bore edges into the bores. Each bore or hole thus formed has a diameter a...
02/20/1990
4884394Friction spinning unit and method of operating same
A friction spinning unit of a multi-position friction spinning machine includes a pressure tapping in the suction line to a suction port in the fibre feed duct. A suction transducer responsive to the suction in the tapping controls the fibre feed clutch o...
12/05/1989
4860530Corespun yarn friction spinning apparatus and method
The present friction spinning apparatus includes a draw frame section with an entrance trumpet including first and second fiber sliver guiding passageways for forming a three component corespun yarn. One of the guiding passageways directs a core roving in...
08/29/1989
4858422Suction roller arrangement for an open end friction spinning machine
A suction insert assembly is disclosed for a suction roller of an open spinning unit having a pair of rotatably driven friction rollers defining a yarn forming wedge-shaped gap or slot therebetween. To accommodate ease of manufacture and provide variable adjus...
08/22/1989
4856269Device for starting or recommencing spinning of a yarn in a friction spinning apparatus
In order to start or recommence spinning of a yarn in a friction spinning apparatus, in the course of starting of spinning or piecing after a yarn break, by means of a fiber transport duct, fibers separated by an opening device, are delivered to a rotatin...
08/15/1989
4854117Friction spinning apparatus with slub clearing means
Slubs are removed from an open-end spinning chamber by the application of suction to a debris-extraction duct by a valve opened to a suction line as the chamber is opened to a suction line as the chamber is opened for cleaning....
08/08/1989
4854118Methof of, and apparatus for, producing a friction spun yarn
The method of, and apparatus for, producing a yarn uses a friction spinning device comprising a perforated first friction spinning drum and a second friction spinning drum which can also be perforated. Two fiber feed passages project to the first friction...
08/08/1989
4848079Friction spinning drum
In the manufacture of friction spinning drums, in order to be able to select the size of the holes or perforations, on the one hand, to oppose technological fiber loss and jamming of sucked in foreign particles and, on the other hand, to provide airflow a...
07/18/1989
4835957Open-end spinning machine
An open-end spinning machine is provided which includes a cleaning element movable between two rows of adjacently aligned spinning units. The cleaning device sucks away and removes impurities from a stationary collecting device associated with impurity se...
06/06/1989
4823545Method of and apparatus for false-twist spinning
A false-twist spinning unit or apparatus comprises a first spinning disc, such as a top spinning disc and a second spinning disc, such as a bottom spinning disc rotating in opposite directions and arranged in staggered or offset relation at an inter-axis ...
04/25/1989
4821505Method and apparatus for spinning yarn
A method and apparatus of forming a fibre assembly to be spun to form a yarn. The separated fibres are entrained in an air stream (61) and delivered in a tangential direction into a converging annular passage (64). The fibres are straightened in their tra...
04/18/1989
4819421Method and apparatus for monitoring a predetermined yarn quality at a textile machine, especially at a friction spinning apparatus
To control the yarn quality of a yarn produced by a textile machine, for instance a friction spinning apparatus, there is provided at the end of the friction spinning operation, however, forwardly of the pair of withdrawal rolls for the outfeed of the pro...
04/11/1989
4819420Process and device for piecing to an open-end friction spinning device
In order to piece to an open-end friction spinning device with two friction spinning elements driven in the same direction and forming a nip subjected to suction, fibers fed into such nip are twisted into a fiber bundle. The fiber bundle is partially conv...
04/11/1989
4817380Process and device for piecing up an open-end friction spinning device
To piece up to a spinning station consisting of two friction spinning elements (101) driven in the same direction and forming a nip, a thread 30 is conveyed to the nip so that said thread 30 reaches the thread forming zone (104) with its free thread end f...
04/04/1989
4815268Friction spinning apparatus
A friction spinning apparatus includes first and second perforated drums forming a spinning wedge therebetween with a spinning zone. The drums are driven in the same direction with the first drum having a greater circumferential speed than the second drum...
03/28/1989
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