Pressurized air cleaning arrangement for an open-end friction sp

Details Pressurized air cleaning arrangement for an open-end friction sp Pressurized air cleaning arrangement for an open-end friction sp

1985-08-27

1986-09-23

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Clearing

57263, 57401, D01H 7885, D01H 1500

Patent

active

046127631

ABSTRACT:
A device for open-end friction spinning having two adjacently arranged rollers forming a yarn forming wedge-shaped gap therebetween is provided with a suction channel having an effect extending essentially in the direction of the wedge-shaped gap. This suction channel serves for drawing in a yarn end for a piecing operation. It is furthermore provided that this suction channel is selectively connectible to an air pressure source in order to provide a blast of air against the rollers in the region of the wedge-shaped gap. The blast of air serves to clean the rollers and remove debris prior to a piecing operation.

REFERENCES:
patent: 4211063 (1980-07-01), Bock et al.
patent: 4380892 (1983-04-01), Parker et al.
patent: 4539804 (1985-09-01), Derichs
patent: 4541233 (1985-09-01), Raasch et al.

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