Drafting arrangement for false twist spinning

Details Drafting arrangement for false twist spinning Drafting arrangement for false twist spinning

1989-09-25

1991-08-13

Levy, Stuart S.

Textiles: spinning, twisting, and twining

Apparatus and processes

Driving

57315, 57328, 19236, 19258, D01H 500

Patent

active

050385534

ABSTRACT:
The delivery roller pair are made with continuous uninterrupted cylindrical surfaces so that air flows on the input side converge in the nip and then flow from the central zone thereof to opposite end zones. In addition, the air flows on the output side flow from the end zones towards the central zone. The suction nozzle is disposed downstream and in alignment with the nip so as to receive the fiber material for spinning into yarn.

REFERENCES:
patent: 2112095 (1938-03-01), Hoffmann
patent: 2199842 (1940-05-01), Schlums
patent: 3006037 (1961-10-01), Bettolo
patent: 3027603 (1962-04-01), Mason
patent: 3070848 (1963-01-01), Konig
patent: 3078519 (1963-02-01), Angioletti
patent: 4484433 (1984-11-01), Stahlecker et al.
patent: 4495761 (1985-01-01), Nakayama et al.
patent: 4565063 (1986-01-01), Stalder et al.
patent: 4718225 (1988-01-01), Sanagi
patent: 4823545 (1989-04-01), Flueckiger

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