Method and apparatus for manipulating a sliver during cleaning o

Details Method and apparatus for manipulating a sliver during cleaning o Method and apparatus for manipulating a sliver during cleaning o

1995-08-14

1997-02-11

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Clearing

57263, 57412, D01H 1100, D01H 500

Patent

active

056009453

ABSTRACT:
Spinning stations of open-end spinning frames are cleaned from time to time to increase productivity, e.g. each time a sliver can change is made although, if the times between the exchange of two cans are too long, cleaning may be performed at a preset cycle. The sliver must be removed from the spinning station for this purpose. To be able to reintroduce a defined length of the removed sliver into the spinning station at the end of a cleaning operation, the end of the sliver is aspirated from between the draw-in roller and the gripping table of the spinning station by means of an aspiration and blower nozzle and pulled out of the spinning box of the spinning station and, after the cleaning operation, the sliver is introduced into the spinning station by means of the aspiration and blower nozzle. The aspiration nozzle has an insert with bores for causing the tip end of the sliver to assume a particular shape.

REFERENCES:
patent: 4038812 (1977-08-01), Stahlecker
patent: 4055942 (1977-11-01), Stahlecker
patent: 4150534 (1979-04-01), Raasch
patent: 4932201 (1990-06-01), Meroni et al.
patent: 4939895 (1990-07-01), Raasch et al.
patent: 4982563 (1991-01-01), Stahlecker
patent: 5293739 (1994-03-01), Brockmanns et al.
patent: 5313775 (1994-05-01), Binder et al.
patent: 5343686 (1994-09-01), Buchner et al.
patent: 5414985 (1995-05-01), Ball et al.

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