Apparatus for condensing a drafted fiber strand

Details Apparatus for condensing a drafted fiber strand Apparatus for condensing a drafted fiber strand

1999-07-27

2000-04-25

Calvert, John J.

Textiles: fiber preparation

Working

Drafting

19236, 19246, D01H 572

Patent

active

060528729

ABSTRACT:
A draft free condensing zone for condensing a drafted fiber strand is provided between a front roller pair of a drafting unit of a ring spinning machine and a delivery roller pair arranged downstream thereof. The apparatus for condensing comprises an air-permeable und suctioned sliding surface which is in contact with the fiber strand, under which sliding surface is located a suction slit which is stationarily arranged and extends essentially in transport direction of the fiber strand. The sliding surface is the front surface of a rotating disc, whose rotational axle extends essentially perpendicular to the transport direction of the fiber strand.

REFERENCES:
patent: 5090192 (1992-02-01), Stahlecker
patent: 5243813 (1993-09-01), Stahlecker

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