Noise-reducing access cover and yarn guide for false-twist air j

Details Noise-reducing access cover and yarn guide for false-twist air j Noise-reducing access cover and yarn guide for false-twist air j

1991-01-18

1992-11-10

Stodola, Daniel P.

Textiles: spinning, twisting, and twining

Apparatus and processes

With drafting

57333, D01H 528

Patent

active

051613620

ABSTRACT:
In the case of an arrangement for pneumatic false-twist spinning having air nozzles arranged behind a pair of drafting units, it is provided that the air nozzles lead into a space which is designed as a V-shaped groove which, together with a covering, is completed to form a yarn guiding duct which leads from the mouth of the air nozzles to a yarn outlet opening. The yarn guiding duct is provided with a cross-sectional enlargement in the area adjacent the air nozzle outlets to provide for uniform flow in the duct.

REFERENCES:
patent: 3379002 (1968-04-01), Rosenstein
patent: 3713509 (1973-01-01), Caroll
patent: 3822449 (1974-07-01), Dick
patent: 3905075 (1975-09-01), Boggs et al.
patent: 4107911 (1978-08-01), Yamana et al.
patent: 4586323 (1986-05-01), Lassiter et al.
patent: 4819419 (1989-04-01), Stahlecker et al.
patent: 4941242 (1990-07-01), Nabulon et al.

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