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Class Information
Number: 57/266
Name: Textiles: spinning, twisting, and twining > Apparatus and processes > Doffing or donning
Description: Subject matter wherein filled or partly filled packages or bobbins of yarn or strand are positively removed and/or replaced with empty ones at the work station.


Sub-classes under this class:

Class Number Class Name Patents
57/275 Bobbin graspers 41
57/273 Bottom lifting 17
57/268 Carriage 78
57/267 On cap or roving frame 55
57/274 Over end of bobbin 48


Patents under this class:
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Patent Number Title Of Patent Date Issued
7426820 Method and device for the production of a covered elastic yarn and for automatic replacement of feeds spools Sep. 23, 2008
7360354 Method and device for the production of covered elastic yarn and for automatically replacing feeding spools Apr. 22, 2008
6349530 Process and apparatus for controlling cops of ring spun yarn dependent on a yarn hairiness Feb. 26, 2002
6272833 Process and an apparatus for the manipulation of an empty spool on a textile machine Aug. 14, 2001
6250059 Filament spool or doff handling system Jun. 26, 2001
6226971 Procedure and apparatus for maintaining a work station of a textile machine with the aid of a programmable maintenance device May. 8, 2001
6073435 Centrifugal spinning and winding machine Jun. 13, 2000
5996327 Method of and apparatus for transporting full bobbins and empty bobbin cores Dec. 7, 1999
5987868 Monitoring of core mounting for a roving frame Nov. 23, 1999
5937629 Method and device for supplying empty tubes to winding devices of a textile machine Aug. 17, 1999
5924273 Textile yarn cop changing and transport system Jul. 20, 1999
5765356 Spinning machine tube transport and removal system Jun. 16, 1998
5732542 Transport system for textile bobbins and sleeves Mar. 31, 1998
5671596 Bobbin and core sleeve transport system for a roving frame Sep. 30, 1997
5628174 Bobbin-changing apparatus May. 13, 1997
5588602 Package changing system for supplying and discharging loaded and empty packages to and from a machine frame Dec. 31, 1996
5546740 Actuating linkage for bobbin changer Aug. 20, 1996
5535956 Pallet with temporarily separable arbor for individual transport of textile bobbins and textile tubes Jul. 16, 1996
5459990 Facility and method for producing yarn Oct. 24, 1995
5414986 Method and apparatus for supplying sliver to the spinning stations of spinning machines in the form of a transport-containerless bunch May. 16, 1995
5373689 Two-sided ring-spinning machine with bobbin-changing apparatus Dec. 20, 1994
5272864 Yarn exchange and doffing device in two-for-one twister Dec. 28, 1993
5263228 Apparatus for continuously supplying and piecing slivers to a roving frame Nov. 23, 1993
5207051 Apparatus for transferring full bobbins and empty bobbins between a bobbin winding machine and a transporting mechanism May. 4, 1993
5199254 Device for sequentially loading orientated tubes onto the doffing belt of a spinning machine Apr. 6, 1993
5185993 Spinning machine having a peg tray conveyor Feb. 16, 1993
5136833 Method 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 Aug. 11, 1992
5125224 Apparatus for transferring yarn package tubes on a textile machine Jun. 30, 1992
5113645 Textile machine service unit having a roving end extending apparatus May. 19, 1992
5095690 Method and device for exchange of full thread packages Mar. 17, 1992
5090191 Tube gripping apparatus for a textile machine Feb. 25, 1992
5067204 Method for continuously supplying slivers to a roving frame Nov. 26, 1991
5016434 Ring spinning and spooling frame May. 21, 1991
4928476 Two-for-one twisting machine May. 29, 1990
4899530 Doffing and donning apparatus Feb. 13, 1990
4897991 Method and apparatus for automatic orderly removal and collection of fully-spun cops from textile ring spinning machines Feb. 6, 1990
4896495 Wire twisting machine Jan. 30, 1990
4878342 Two-for-one twisting machine Nov. 7, 1989
4856270 Automated textile thread processing system Aug. 15, 1989
4845937 Bobbin transfer system Jul. 11, 1989
4844357 Yarn kind changing process for a spinning winder Jul. 4, 1989
4833874 Yarn package exchange device and apparatus for spinning machines for double prestrengthened yarn May. 30, 1989
4821504 System for controlling displacement of carriage working machines Apr. 18, 1989
4813222 System for transferring full and empty bobbins from and to a textile machine such as a ring spinning frame Mar. 21, 1989
4756169 Device for loading and unloading rotating baskets for the centrifugal spin drying of bobbins of yarn Jul. 12, 1988
4753065 Method of and apparatus for automatically replacing roving bobbins of a spinning machine Jun. 28, 1988
4742674 Bobbin doffing and donning apparatus May. 10, 1988
4739611 Process and apparatus for replacement of an empty with a full roving bobbin in a spinning machine, particularly a ring spinning machine Apr. 26, 1988
4736580 Apparatus for making textile fiber strands and method of operating same Apr. 12, 1988
4735040 Method of and apparatus for the automatic feeding of filled cans and the automatic removal of empty cans from the spinning units of a spinning machine Apr. 5, 1988

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