Piecing method and apparatus for a spinning machine

Details Piecing method and apparatus for a spinning machine Piecing method and apparatus for a spinning machine

1997-12-09

1999-08-10

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57280, 57328, 57333, D01H 500, D01H 746

Patent

active

059340584

ABSTRACT:
A method and apparatus are described for piercing severed yarn to a sliver in a spinning machine in a manner to prevent formation of an excessively long or frail piecing portion by passing leading yarn Y' through a twist device T; driving draft rollers 1, 2, which have been stopped following severance of the yarn to remove the thinned, tapered tip of sliver 6 from the front roller 4; and then introducing sliver for piecing into the twist device while removing a portion of the fibers constituting such a sliver to make the piecing portion thereof more nearly as thick as the leading yarn.

REFERENCES:
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patent: 4620413 (1986-11-01), Anahara et al.
patent: 4845936 (1989-07-01), Artzt et al.
patent: 4893461 (1990-01-01), Artzt et al.
patent: 5511373 (1996-04-01), Banba
patent: 5673547 (1997-10-01), Baba et al.
patent: 5704204 (1998-01-01), Mima et al.

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