Apparatus for manufacturing a yarn

Details Apparatus for manufacturing a yarn Apparatus for manufacturing a yarn

1982-01-21

1983-12-20

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57334, D01H 112, D01H 7882

Patent

active

044209282

ABSTRACT:
Apparatus for manufacturing a yarn comprises two juxtaposed closely spaced apart suction drums, which rotate in the same sense and have confronting suction zones for producing a suction flow. This pulls the yarn more deeply into the triangular space between the suction drums. A drawing frame for drawing a roving that is to be pulled through the triangular space between the suction drums is disposed near one end of the suction drums. To permit the manufacture of a strong yarn without a supply of covering fibers, the two suction drums are provided with peripherally extending, confronting annular zones for roughening the roving and pulling ends fibers out of the roving. These annular zones are axially spaced from that end of the suction drums from which the yarn is withdrawn.

REFERENCES:
patent: 3132465 (1964-05-01), Putnam
patent: 3981137 (1976-09-01), Fehrer
patent: 4060966 (1977-12-01), Konig
patent: 4315398 (1982-02-01), Parker et al.
patent: 4327545 (1982-05-01), Fehrer
patent: 4362008 (1982-12-01), Parker et al.

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