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Class 57/400 - Open end spinning


Subclass of Class 57 - Textiles: spinning, twisting, and twining
Definition: Subject matter wherein a strand is rotated about its axis
No. of patents: 75
Last issue date: 04/08/2008


1    
NumberTitleIssue Date
7355140Method of and apparatus for multi-stage sorting of glass cullets
A method and system for sorting different colored objects, preferably glass cullets, into separate groups of same colored objects comprising a plurality of sorting devices for receiving an input feed of different colored objects and sorting the different colored obj...
04/08/2008
7351929Method of and apparatus for high speed, high quality, contaminant removal and color sorting of glass cullet
A system for sorting a mixed stream of different colored cullet into separate groups of same colored cullet comprises a light emitting source for transmitting light, such as white light, through a cullet, and a camera having a plurality of pixels for receiving light...
04/01/2008
7225605Modular air spinning frame
The invention relates to textile machines with several spinning places, whereby each spinning place comprises a can feeding means, a spinning unit, and winding unit. The invention is based on the task to design the spinning places in such a manner, to minimize the d...
06/05/2007
7059110Spinning device for production of spun thread from a fibre sliver
A device for the manufacture of a spun thread from a fiber sliver includes a fiber conveying channel with a fiber guidance surface. A yarn guidance channel includes an inlet mouth aperture disposed such that the fiber guidance surface guides fibers to the inlet mout...
06/13/2006
7043894Air spinning frame with reluctance motors
For an air spinning frame, reluctance motors are provided for each spinning place to drive the pairs of rollers of the drafting unit, the drawing-off means, and the friction roller. Thereby, for the run-up of a spinning place, e.g., after a thread break, a specific ...
05/16/2006
7045451Preparation of group IVA and group VIA compounds
Methods of preparing Group IVA and Group VIA organometallic compounds, particularly Group IVA organometallic compounds, are provided. Such manufacturing methods employ an amine and/or phosphine catalyst in a transalkylation step and may be performed in a batch, semi...
05/16/2006
6928803Textile processing machine with a fiber conveying channel and a fiber-guiding surface
The invention relates to a device for the production of a spun thread from a staple fiber strand by means of air spin method. The fiber guiding element according to the invention includes a fiber conveying channel with a fiber guiding surface, whereby the fiber guid...
08/16/2005
6904745Thread-guiding device for open-end spinning frames
Thread-guiding device for collecting spun yarns on bobbins, particularly for open-end spinning frames, constituted by a common thread-guiding rod which carries the thread-guides for the spinning stations, said rod being operated in alternative movement in front of t...
06/14/2005
6895736Thread-guiding device for collecting spun yarns on bobbins particularly for open-end spinning frames
Thread-guiding device for collecting spun yarns on bobbins, particularly for open-end spinning frames, constituted by a common thread-guiding rod which carries the thread-guides for the spinning units, driven in alternate movement in front of the bobbins being forme...
05/24/2005
6880322Opening roller housing for an open-end spinning device, device for an opening roller housing and procedure for modernizing spinning devices
An exchangeable insert is proposed as auxiliary equipment for a housing of a disintegrating apparatus of an open-end spinning apparatus. The insert is adaptable, so that the disintegrator roll housing can be made to conform to various spinning conditions. In a parti...
04/19/2005
6865876Opening roller unit of an open-end spinning device
A generally cylindrical opening roller unit of an open-end spinning device includes a unitary ring body having card clothing formed of at least one helical groove formed in the ring body, at least one helical ridge between courses of the groove, and saw teeth define...
03/15/2005
6820407Opening arrangement for an open-end spinning frame
An opening arrangement for an open-end spinning device with a rotating opening roller having opening elements stationarily arranged on its circumference for opening a delivered sliver into individual fibers and for combing out the fibers at a comb-out point. The ope...
11/23/2004
6796116Sliver opening device for an open-end spinning device
An open-end spinning device with an opening device for opening continuously supplied sliver material by means of a rapidly running opening cylinder, which opening device is arranged in front of a sliver spreading device (78) with cooperating pairs of spreadin...
09/28/2004
6792744Spinning device for producing a spun yarn by means of a circulating air flow
A spinning device for producing a spun yarn by a circulating air flow in a housing has an adjustment device (17) for controlling the angular position of the fiber ends wrapped around a spindle head, and in turn, the angular position of the fibers wrapped arou...
09/21/2004
6789382Apparatus for producing a spun yarn
An apparatus for producing yarn spun from a loose fibre array using a vortex flow includes a fibre supply duct having an outlet opening. A vortex chamber in communication with the outlet opening is also provided. A yarn take-off duct is present with an inlet opening...
09/14/2004
6745553Air-spinning arrangement
An air-spinning arrangement has an opening device having a feed device and an opening roller for opening a sliver into individual fibers. A perforated removal roller receives the opened fibers from the opening roller in the circumferential direction. A conveyor belt...
06/08/2004
6705072Spinning device
The invention relates to a spinning device for the production of a spun thread from a fiber bundle, including a nozzle part with an upper nozzle part and a lower nozzle part. Likewise, a spindle is included with an upper part and a lower part. In order to be able to...
03/16/2004
6679043Spinning machine
A spinning machine includes a plurality of spinning stations or places. Each spinning place includes a yarn formation mechanism that is supplied with staple fiber material in the form of a longitudinal object. Each spinning place includes a refining mecha...
01/20/2004
6662542Open-end spinning device and process for temporary receiving a yarn
In open-end spinning and in coordination with predetermined operating phases, a yarn suction pipe by means of which a yarn extending from a bobbin is to be received temporarily is brought successively into different operating planes. The yarn suction pipe...
12/16/2003
6623585Coalesced multifilament spandex and method for its preparation
The present invention provides a process whereby high quality, well-coalesced spandex can be made by dry-spinning a high-melting thermoplastic polyurethane, bundling the as-spun filaments into a side-by-side relationship, and passing the bundled filaments...
09/23/2003
6591600Rotor spinning machine
The invention relates to a rotor spinning machine comprising a plurality of operating units situated next to each other, each of which contains a spinning unit (1) with a singling-out device (5) having in its body a rotatably mounted combing roller (52) e...
07/15/2003
6502291Process for exchanging the bearings of a traversing fiber guiding rod and textile machine accommodating same
Traversing yarn guiding rods in textile machines producing X-packages are often made of carbon fibers for the purpose of reducing the inertia force. These kinds of traversing yarn guiding rods are prone to wear at their bearing points. For this reason, th...
01/07/2003
6412266Spin machine with several single drives
In a spinning machine with at least one spinning station possessing a feed drum, driven by a single drive, a disintegrator, a rotor, a withdrawal roll and a spool roll, provisions have been made that the spinning station has an additional single drive res...
07/02/2002
6339921Textile yarn piecing device with an evaluation arrangement for determining parameters of an automatic yarn piecing process
A piecing device with an evaluation arrangement for determining parameters of an automatic piecing process at a spinning station (1) of an open-end spinning frame, wherein a control device is provided which, initially in a test phase, controls the creatio...
01/22/2002
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
6248835Polypropylene/polystyrene polymer blend, improved fibers produced from the blend and method of manufacturing
A polymer blend, fibers manufactured from the blend and method of producing the fibers is disclosed. The polymer blend includes from 92 wt % to 98.5 wt % of a base polypropylene having a melt flow rate of less than 20 g/10 min, and a maximum draw ratio D,...
06/19/2001
6216430Spinning machine with a multiplicity of electrical loads
A spinning machine in a plurality of sections has its electrical loads, especially motors, yarn feeders, stretching and heating devices supplied with electrical energy through cable segments stretching the length of the respective machine section and havi...
04/17/2001
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
6214145Coalesced multifilament spandex and method for its preparation
The present invention provides a process whereby high quality, well-coalesced spandex can be made by dry-spinning a high-melting thermoplastic polyurethane, bundling the as-spun filaments into a side-by-side relationship, and passing the bundled filaments...
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
6067785Method of producing high quality dark dyeing polyester and resulting yarns and fabrics
A method is disclosed for spinning polyester staple to produce dark dyeing yarns as compared to yarns having an otherwise similar composition. The method includes spinning polyester staple into yarn, in which the polyester includes between about 0.5 and 4...
05/30/2000
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
6006509Method for continuosly producing a twisted yard with minimal curling tendency
A method for continuously producing a twisted yarn with minimal curling tendency includes the steps of spinning a yarn and directly thereafter, within a time period of less than one second, twisting the yarn. The yarn tension at the end of the spinning st...
12/28/1999
5964083Method for producing a twisted yarn in a combined spinning and twisting process
A method for manufacturing a twisted yarn by a combined spinning and twisting process includes the steps of producing in at least two spinning devices individual spun yarns and guiding the spun yarns together to a first centering location positioned coaxi...
10/12/1999
5918453Melamine fiber-containing fabrics with improved comfort
Fabrics containing melamine fibers are rendered more comfortable by carding the melamine fibers under vacuum so as to exhibit a narrower fiber diameter distribution (δd) and/or a narrower staple length distribution (δl) as compared...
07/06/1999
5919717Recycled fiber yarn and method for making same
A recycled yarn or non-woven product and method for making the same, the yarn or non-woven product being made from recycled polyester fiber or fleece fabric....
07/06/1999
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
5799476Spinning station error signalling and qualifying device
In order to increase the operating efficiency of the spinning machine and in order to generate a response suitable to the hierarchy or quality of the error message in case of an error in the yarn or in another electrical or mechanical device of the spinni...
09/01/1998
5699659Process for producing substantially all-polyester yarns from fine denier feed fibers on an open end spinning machine
A method for producing substantially 100% polyester yarns on an open end spinning machine is described. The process involves acting on substantially 100% polyester sliver made of high tenacity, fine denier fibers with a negative tooth combing roll to indi...
12/23/1997
5694759Process for producing polyester yarns on an open end spinning machine and yarns thus produced
A method for producing substantially 100% polyester yarns on an open end spinning machine is described. The process involves acting on substantially 100% polyester sliver made of high tenacity, fine denier fibers with a negative tooth combing roll to indi...
12/09/1997
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