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Assignee: W. Schlafhorst & Co. (DE)


Location: Not specified.
No. of patents: 31

NumberTitleIssue Date
6694718Yarn splicing device
A yarn splicing device for producing a knot-free yarn connection, particularly with elastic yarns, comprises a splicing body (25) formed with a splicing channel (26) to receive the yarns to be spliced and having at least one compressed air inlet opening (...
02/24/2004
6691502Opening cylinder for an open-end spinning device
An opening cylinder (1) for an open-end spinning device with a detachably fixed opening ring (2) which can be fixed by a torque-free rapid tension device (7) in a readily replaceable manner on a rotatably supported structural component of an opening cylin...
02/17/2004
6679450Tube feeding device for a work station of a cheese-producing textile machine
A tube feeding device (12) for a work station (2) of a cheese-producing textile machine (1) with an arrangement for transferring an empty tube (14) stored in a tube reservoir (13) into a tube transfer position (II) in which the empty tube (14) can be acce...
01/20/2004
6668536Open-end spinning arrangement
An open-end spinning arrangement (1) comprises a stationary spinning box housing (2) arranged on a base frame of a textile machine for seating a high speed spinning rotor (7) in a vacuum-charged rotor housing (8), a sliver opening unit (4) connected to th...
12/30/2003
6659386Method and apparatus for contactless yarn monitoring in a spinning or bobbin winding machine
A method and an apparatus for contactless yarn monitoring in a textile yarn winding operation wherein a yarn is wound on a bobbin while being delivered lengthwise in a yarn travel direction toward the bobbin and simultaneously executing traversing motions...
12/09/2003
6655628Bobbin-winding device for a cheese-producing textile machine
A bobbin-winding device (28) for a cheese-producing textile machine with a pivotably seated creel (18) for holding a cheese (11), and a damping device (29), which can be acted on magnetically and is connected with the creel (18). The damping device (29) h...
12/02/2003
6637695Method of winding a traveling yarn at a work station of a spinning bobbin winding machine or of a bobbin winding machine
A method of winding the yarn traveling at a work station of a spinning bobbin winding machine or of a bobbin winding machine from a yarn source onto a take-up bobbin (4). After each yarn interruption, the yarn end is unwound from the take-up bobbin (4), a...
10/28/2003
6244029Method and device for covering a spun yarn body
A method and a device for winding a spun yarn body from an inside wall of a spinning centrifuge of a pot spinning machine onto a tube (10) introduced for such purpose into the spinning centrifuge. The yarn extending between a yarn guide tube (6) and the i...
06/12/2001
6240715Centrifugal spinning machine and method for centrifugal spinning
A centrifugal spinning machine having at least one spinning station (10), each of which has one rotatable spinning centrifuge (14), one yarn guide (18) that can be supplied with a fibrous spinning strand (26'), and one drive device (38) for generating an ...
06/05/2001
6242755Method and device for the contactless measuring of strand-like textile material
A method for the contactless measuring of strand-like yarn material as well as to a device for carrying out the method. Textile material 4is irradiated within a measuring range of at least one ray source 1 and imaged on a sensor range of a receiving devic...
06/05/2001
6241077Transport system for spinning bobbins and bobbin tubes with a transport path bridging a passage
A transport system for spinning bobbins and bobbin tubes comprises a transport path with two essentially vertical sections and an essentially horizontal section connected therebetween. The spinning bobbins and bobbin tubes are transported on pallets whose...
06/05/2001
6240717Fiber conduit plate for an open-end spinning device
An open-end spinning device (1) with a forwardly-opening vacuum-loaded rotor housing (2), a high speed spinning rotor (3) rotating in the rotor housing and with a fiber conduit plate (4) for closing the rotor housing. The fiber conduit plate (4) has a rep...
06/05/2001
6205761Spinning rotor with identification mark
A spinning rotor adapted to be seated in a spinning box of an open-end spinning machine and having an identification mark (9), preferably embodied as alpha-numeric characters, formed at a location on the rotor cup (8) at which the information content of t...
03/27/2001
6195976Spinning rotor for open-end spinning machines
A spinning rotor for use at high speeds in open-end spinning machines has a rotor cup having an annular wall portion defining a rotor opening, a bottom wall portion merging with the annular wall portion, and a mounting hub extending exteriorly from the bo...
03/06/2001
4845946Method of producing mottled rotor spun yarn
A mottled appearing yarn having a main strand of fibers and wrapper fibers of different color than the main strand. The yarn is produced by feeding longer and coaser fibers with shorter and finer fibers in an open end rotor spinning machine and controllin...
07/11/1989
4843808Method and device for monitoring the quality of yarns and wound packages produced by and the quality of operation of a textile machine
Bobbins spun in a ring spinning machine are conveyed sequentially to a measuring, counting and sorting device located between the ring spinning machine and an automatic winder that winds yarn from the bobbins. The measuring, counting and sorting device se...
07/04/1989
4843812Open-end rotor spinning device with improved twist choking member
In an open-end rotor spinning device having a rotatable spinning rotor and a coaxial yarn withdrawal navel mounted in a rotor cover, a tubular twist choking member is removably mounted rotatably in general airtight relation to the cover at an angle with r...
07/04/1989
4830171Apparatus for providing a constant bobbin tube supply
An apparatus for providing a constant supply of circulating textile bobbin tubes from a delivery conveyor of a textile winding machine to a return conveyor of a textile spinning machine. A reserve magazine containing textile bobbin tubes is combined with ...
05/16/1989
4825637Fiber opening device in a spinning unit of an open-end spinning machine
A fiber opening device in a spinning unit of an open-end spinning machine wherein an opening roller is mounted within a housing with the housing being integrally formed from a drawing-in opening past a trash discharge opening to a fiber discharge opening ...
05/02/1989
4824037Apparatus for freeing the bottom wraps and the downwinds of yarn from a textile bobbin
Apparatus for freeing the bottom wraps and the downwinds of yarn from a textile bobbin to provide a free yarn end in preparation for subsequent unwinding of the bobbin, including three bobbin engaging and rotating rollers arranged in a triangle with two o...
04/25/1989
4815269Silver opening and feeding device for an open-end spinning device
A silver feed and opening device for open-end spinning applications comprises a housing having a rotatable opening roller associated with a pivotable guide plate having a first sliver guide portion for directing incoming sliver to the opening roller, a se...
03/28/1989
4807822Yarn traversing mechanism
A yarn traversing mechanism having oppositely traversing yarn engaging elements and transfer means that disengage yarn from one element and transfer it into engagement by an oppositely traversing element at a plurality of different yarn reversing location...
02/28/1989
4804151Method and means for controlling the automatic winding of yarn on a take-up package of a textile winding machine
Automatic winding of yarn on a take-up package of a textile winding machine is controlled with devices including a yarn severing device actuated when the winding is interrupted, a device for sensing the quality of winding of the package, and a processing ...
02/14/1989
4801108Bobbin winding machine
An improvement in a multi-station bobbin winding machine having an active cop unwinding position and replacement cop reserve position at each winding station with a movable reserve cop receptacle at the reserve position, wherein a yarn suction device is a...
01/31/1989
4787566Method and means for guiding spliced yarn in a textile winder
A yarn engaging element is manipulated from a non-operating position through the winding path of a textile winder to engage and guide a yarn end to be spliced to a splicer. After splicing, the yarn engaging element returns at a controlled rate to release ...
11/29/1988
4777790Method and apparatus for stopping and subsequently restarting an open end spinning machine
A method and apparatus for stopping and subsequently restarting an open end spinning machine wherein, upon an electrical power interruption exceeding a predetermined duration, the spinning rotor, sliver feed roller, yarn take-up roller, and yarn winding d...
10/18/1988
4769984Fiber opening, fiber feeding and yarn withdrawing unit for a spinning station of an open-end rotor spinning machine
A fiber opening, fiber feeding and yarn withdrawing unit for a spinning station of an open end rotor spinning machine, in which a projection of the fiber feed conduit extends into the rotor behind the fiber slide wall at a close spacing thereto and to an ...
09/13/1988
4767072Endless yarn traversing band for a yarn traversing device in a machine for producing cross-wound bobbins
An endless yarn traversing band for a yarn traversing device in a machine for producing cross-wound bobbins. The band has spaced yarn guiding projections in a sawtoothed configuration. The band is formed of a textile yarn or metallic yarn fabric embedded ...
08/30/1988
4763465Braking device for a rotor shaft of a rotor spinning machine
A braking device for a rotor shaft of a rotor spinning machine of the type having spaced pairs of rotating bearing support discs. A brake shoe is pivoted for movement upwardly between the bearing support discs and a pair of holddown elements are pivoted f...
08/16/1988
4750622Apparatus for sorting spent tubes
An apparatus for sorting spent tubes as they are carried on an intermittently advancing conveyor with the apparatus having a tube ejecting device that reciprocates along the length of tubes during dwells in conveyor movement and has a tube contacting elem...
06/14/1988
4738093Automotive splicer for splicing ends of spun yarn and a method of splicing spun yarns
An automatic splicer for spun yarn, including open end spun yarn. Opposite yarn ends for splicing are inserted in opposed yarn clamping devices, adjacent yarn loop pulling devices, in a splicing slot of a splicing chamber, adjacent mechanical combing devi...
04/19/1988
 
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