Method and apparatus for yarn piecing in fasciated yarn spinning

Details Method and apparatus for yarn piecing in fasciated yarn spinning Method and apparatus for yarn piecing in fasciated yarn spinning

1982-09-21

1985-03-12

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57 22, 57328, 57333, D01H 1500, D01H 528

Patent

active

045036624

ABSTRACT:
In the piecing operation, the broken ends of a yarn and a fiber bundle are sucked into a suction nozzle, and therein are entangled due to twists imparted to the fiber bundle by first vortices utilized for forming a fasciated yarn. The broken end of the yarn may be twisted in reverse of the fiber bundle by second vortices. Further, third vortices weaker than the first vortices may be used instead of the first vortices. The apparatus comprises jets for generating the second and third vortices and piping for transporting air to the jets and from the suction nozzle, as well as a control circuit thereof.

REFERENCES:
patent: 3992865 (1976-11-01), Tuchida et al.
patent: 4107911 (1978-08-01), Yamana et al.
patent: 4112658 (1978-09-01), Mokihashi
patent: 4121409 (1978-10-01), Uchida et al.
patent: 4169350 (1979-10-01), Yamana et al.
patent: 4219998 (1980-09-01), Farnhill

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