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Class 57/266 - Doffing or donning


Subclass of Class 57 - Textiles: spinning, twisting, and twining
Definition: Subject matter wherein filled or partly filled packages
No. of patents: 76
Last issue date: 09/23/2008


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NumberTitleIssue Date
7426820Method and device for the production of a covered elastic yarn and for automatic replacement of feeds spools
The device has: a first interlacing jet (19); a feed path of the covering yarn (FT) and a feed path of the elastic yarn (F1; F2) towards the first interlacing jet; supporting elements (37A, 37B) for spools of elastic yarn (R1
09/23/2008
7360354Method and device for the production of covered elastic yarn and for automatically replacing feeding spools
The device comprises in combination: an interlacing jet for reciprocally joining the covering yarn and the elastic yarn; supporting elements for spools of elastic yarn; winding members for winding the composite yarn on a developing cop; a device for interrupting the...
04/22/2008
7258298Supplying device for film cores and method for supplying film cores
A preparatory device provided for arranging film roll cores in a condition ready for use for a film roll winding machine, in which the film roll cores are vertically arranged, comprises a supply device for supplying horizontally disposed film roll cores. The supply ...
08/21/2007
6349530Process and apparatus for controlling cops of ring spun yarn dependent on a yarn hairiness
In the case of ring spinning with condensing devices there is a risk that the yarns of the individual cops have a varying degree of hairiness. This can result in faults in the end product, for example a woven fabric. In order to avoid such faults, the rin...
02/26/2002
6272833Process and an apparatus for the manipulation of an empty spool on a textile machine
On a textile machine, arL empty spool (12) is conveyed along a multiplicity of spool stations (1) situated next to one another. In a predetermined position relative to a grasping apparatus (3) the said empty spool (12) is stopped and is picked up by said ...
08/14/2001
6250059Filament spool or doff handling system
A handling system 1 for filament bobbins 4 or doffs 5 in a spinning mill, which has a spinning area 2 and a storage area 12. The handling system 1 has a transport device 16, a separating device 17 and a transfer station 11. The transport device 6 and the ...
06/26/2001
6226971Procedure and apparatus for maintaining a work station of a textile machine with the aid of a programmable maintenance device
In regard to maintenance services at work station, which is located within the maintenance area of a programmable maintenance device along a plurality of similar work stations, attempts of the same maintenance, which have failed at various work stations h...
05/08/2001
6073435Centrifugal spinning and winding machine
A centrifugal spinning and winding machine (23) with a plurality of work stations (1) arranged in series. The work stations (1) comprise several autonomous centrifugal spinning units (2), an associated winding device (5), and an associated storage device ...
06/13/2000
5996327Method of and apparatus for transporting full bobbins and empty bobbin cores
A horizontal transporter at a roving frame level delivers full bobbins to a vertical movable carriage which picks up the bobbins from the bottom, replaces them with core sleeves, and lodges the bobbins in a second horizontal transporter at another story f...
12/07/1999
5987868Monitoring of core mounting for a roving frame
A roving frame has a flyer region into which the suspension carriage trains are moved past a device for monitoring the presence or absence of cores or bobbins on the hangers. An error signal is transmitted in the case of an error and correction is effecte...
11/23/1999
5937629Method and device for supplying empty tubes to winding devices of a textile machine
A method and device are provided for supplying empty tubes to winding devices of a textile machine comprising a plurality of operating units arranged next to each other in at least one line and equipped each with a winding device as a part of the operatin...
08/17/1999
5924273Textile yarn cop changing and transport system
A cop changing and transport system for a composite ring spinning and winding machine wherein both the ring spinning machine and the winding machine have respective transport systems 2 and 3 in which circulate separate respective groups of transport palle...
07/20/1999
5765356Spinning machine tube transport and removal system
In a spinning machine with a tube magazine (1) several tube mandrils (3) placed on a conveyor are provided for the placement of a tube (4) at a time. At a removal station (2) a take-up device 21 to take up individual tubes (4) from the tube magazine (1) i...
06/16/1998
5732542Transport system for textile bobbins and sleeves
A transporter for textile plants having upstream machines providing full bobbins to downstream machines returning core sleeves to the upstream machines. The transport system has a suspension track extending in a loop around a plurality of the downstream m...
03/31/1998
5671596Bobbin and core sleeve transport system for a roving frame
A roving frame having a suspension carriage track extending through the flyers thereof has a parking rail which can accommodate the full length of the suspension carriage train which removes the full bobbins from the flyer row and on the parking rail, by ...
09/30/1997
5628174Bobbin-changing apparatus
A bobbin changer is used in combination with a first textile machine having a first conveyor extending along an endless first path moving full bobbins or empty sleeves into the first machine and full bobbins or empty sleeves out of the first textile machi...
05/13/1997
5588602Package changing system for supplying and discharging loaded and empty packages to and from a machine frame
A package changing system for supplying or discharging loaded bobbins or packages to or empty bobbin or packages from a machine frame, the package changing system comprising a conveyance unit for supplying and discharging the bobbins or packages and inclu...
12/31/1996
5546740Actuating linkage for bobbin changer
In a ring-spinning machine having a frame and a spindle bank holding a row of bobbins, a bobbin-changing apparatus has a gripper beam engageable with the bobbins of the spindle banks and movable between an upper and a lower position and a scissor linkage ...
08/20/1996
5535956Pallet with temporarily separable arbor for individual transport of textile bobbins and textile tubes
The handling of textile bobbins and textile bobbin tubes, particularly in yarn end preparation of textile bobbins, is improved by the pallet of the present invention which has an arbor of longer axial length than the textile bobbin tube it supports so as ...
07/16/1996
5459990Facility and method for producing yarn
A high efficiency facility for producing yarn is provided wherein fibers pass through machines in the following order: a mixing mechanism (1), a first pair of cleaners (5, 7), a laydown cross blender (11), a second pair of cleaners (15, 17), an air fiber ...
10/24/1995
5414986Method and apparatus for supplying sliver to the spinning stations of spinning machines in the form of a transport-containerless bunch
An apparatus for supplying the spinning machine with feed material includes a transport unit being movable along the spinning machine for advancing feed material produced by a production machine upstream of the textile machine to a region of the spinning ...
05/16/1995
5373689Two-sided ring-spinning machine with bobbin-changing apparatus
A two-sided ring-spinning machine has a frame and a pair of parallel spindle banks each holding a respective row of bobbins. A bobbin-changing apparatus has respective gripper beams engageable with the bobbins of the spindle banks, respective scissor link...
12/20/1994
5272864Yarn exchange and doffing device in two-for-one twister
A yarn exchange and doffing device in a two-for-one twister without lowering of efficiency is proposed. A yarn breakage spindle passing mechanism is provided on the device body which travels along spindles of a two-for-one twister and the mechanism stores...
12/28/1993
5263228Apparatus for continuously supplying and piecing slivers to a roving frame
In a sliver piecing operation by an apparatus for continuously supplying slivers mechanically to a roving frame, wherein a plurality of aligned sliver cans are arranged along the longitudinal direction of the roving frames in a taper arrangement with rega...
11/23/1993
5207051Apparatus for transferring full bobbins and empty bobbins between a bobbin winding machine and a transporting mechanism
A bobbin transfer apparatus simultaneously transfers consecutive individual adapters having at least one fully wound bobbin of yarn thereon and consecutive individual adapters having at least one substantially empty bobbin of yarn thereon between a yarn b...
05/04/1993
5199254Device for sequentially loading orientated tubes onto the doffing belt of a spinning machine
A device for sequentially loading tubes onto pegs on the doffing belt of a spinning machine having a tube orienting system which includes a duct for guiding the fall of the tubes, and a mobile dispenser comprising a plurality of compartments which receive...
04/06/1993
5185993Spinning machine having a peg tray conveyor
A ring spinning machine comprises at least one group of spinning stations or points (11) arranged adjacent each other at equal intervals, a bobbin change device (14) for simultaneous replacement of full bobbins (15 ) spooled with yarn by empty bobbins (16...
02/16/1993
5136833Method and apparatus for removing yarn package and transport adapter from a spindle assembly of a yarn processing machine and securing the free end portion of yarn for transport
For an automated removal of a package and transport adapter with a hollow core, on which at least one empty winding tube or a winding tube holding a residual length of yarn is inserted, from a yarn processing station, in particular from the protective pot...
08/11/1992
5125224Apparatus for transferring yarn package tubes on a textile machine
A transferring apparatus for a textile spinning machine for transferring empty tubes and full yarn packages between the spindles on which yarn packages are built and an endless belt for supplying the tubes and discharging full yarn packages. The transferr...
06/30/1992
5113645Textile machine service unit having a roving end extending apparatus
A bobbin exchange apparatus for exchanging full bobbins for empty bobbins on a spinning machine. A bobbin exchange apparatus is mounted in a traveling service unit and includes a component for temporarily supporting a bobbin, a component for transferring ...
05/19/1992
5095690Method and device for exchange of full thread packages
In the donning and doffing operation of a spinning machine, a tube (20) is pushed onto a packaged tube (14), whereby the thread (7) remains unbroken. The package (14) and the tube (20) are rotated together, until a few turns of the thread (7) are wound on...
03/17/1992
5090191Tube gripping apparatus for a textile machine
A gripper assembly having a plurality of tube gripping apparatus is provided for transferring full and empty bobbins between the bobbin bank of a textile fly frame and a supply creel. The gripper assembly is mounted on a traveling service unit and include...
02/25/1992
5067204Method for continuously supplying slivers to a roving frame
A method and apparatus for continuously supplying slivers mechanically to a roving frame, wherein a plurality of aligned sliver cans are arranged along the longitudinal direction of the roving frames in a taper arrangement with regard to the volume of sli...
11/26/1991
5016434Ring spinning and spooling frame
A ring spinning and spooling frame includes spooling stations. A plurality of spindles are disposed in pairs on bearing plates. At least two of the pairs of the spindles are associated with one of the spooling stations. The bearing plates are movable in p...
05/21/1991
4928476Two-for-one twisting machine
A two-for-one twisting machine comprising a plurality of two-for-one twisting units arranged in rows, the two-for-one twisting units each consisting of a twisting machine and a take-up device, wherein there is provided a travelling member adapted to trave...
05/29/1990
4899530Doffing and donning apparatus
A yarn spinning, twisting or doubling machine having bobbin doffing and donning apparatus for the spindles of the machine, the apparatus comprising bobbin conveying means extending along and above a row of spindles, a series of bobbin grippers spaced at t...
02/13/1990
4897991Method and apparatus for automatic orderly removal and collection of fully-spun cops from textile ring spinning machines
A method and apparatus for automatically removing and collecting in an orderly fashion fully-spun cops from a plurality of textile ring spinning machines wherein each ring spinning machine has a longitudinal conveyor for transporting doffed cops to one ma...
02/06/1990
4896495Wire twisting machine
A twisting machine for use in simultaneously imparting a twist to two or more wires while coiling the twisted wires on a drum, or for imparting twist to one or more wires as they are fed from off the drum, is provided with a reel support frame, preferably...
01/30/1990
4878342Two-for-one twisting machine
A two-for-one twisting machine including a plurality of twister units arranged in a back-to-back relationship in two rows in constituted such that a support shaft extends above friction rollers in each of the rows of the twister units and individual cradl...
11/07/1989
4856270Automated textile thread processing system
An automated thread processing system is characterized by reducing thread package handling and labor requirements. The system includes a textile thread processing machine station having a plurality of spindle assemblies for processing thread and forming w...
08/15/1989
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