Method and apparatus for spinning yarn and resulting yarn produc

Details Method and apparatus for spinning yarn and resulting yarn produc Method and apparatus for spinning yarn and resulting yarn produc

1983-11-17

1985-12-31

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

57340, 57352, D01H 792, D01H 1304, D02G 338, B65H 5728

Patent

active

045612447

ABSTRACT:
A method and apparatus is disclosed for producing a spun yarn composed of an inner substantially untwisted core having fibers spirally wrapped about the surface thereof. In a specifically illustrated embodiment, a yarn of staple fibers is advanced along a path of travel, while being laterally deflected by contact with each of three separate rotating discs, and so as to produce a rotating balloon which serves to open the yarn and loosen and separate fibers on the surface of the yarn. Subsequently, the advancing yarn is subjected to a false twisting operation, which serves to wrap the loosened fibers about the advancing yarn.

REFERENCES:
patent: 3001358 (1961-09-01), Mayner
patent: 3955350 (1976-05-01), Schuster
patent: 4003194 (1977-01-01), Yamagata et al.
patent: 4142354 (1979-03-01), Nakahara
patent: 4183202 (1980-01-01), Morihashi
patent: 4339915 (1982-07-01), Dammann et al.
patent: 4377932 (1983-03-01), Dammann et al.
patent: 4383405 (1983-05-01), Bauer et al.
patent: 4399648 (1983-08-01), Kato
patent: 4408449 (1983-10-01), Bauer et al.
patent: 4434611 (1984-03-01), Hasegawa et al.
Textile World, Oct. 1973, pp. 41-42 "Recent Developments in Spinning" by Dr. Anastas Lazaridis.

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