Method for piecing a thread formed in an open-end spinning devic

Details Method for piecing a thread formed in an open-end spinning devic Method for piecing a thread formed in an open-end spinning devic

1987-06-22

1989-05-02

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57301, D01H 1500, D01H 1100

Patent

active

048256315

ABSTRACT:
A method for piecing a thread formed in an open-end rotary spinning machine to an end of a previously formed thread, wherein spinning fibers are fed to at least one rotating fiber collection surface, the collected spinning fibers are further transported to a thread forming station connected to the fiber collection surface, and the end of the previously formed thread is joined to the spinning fibers transported to the thread forming station as the thread end is rotated, the pieced thread being continuously withdrawn from the thread forming station while spinning fibers are being continuously fed to the fiber collection surface includes a method for piecing a thread formed in an open-end rotary spinning machine to an end of a previously formed thread, wherein spinning fibers are fed to at least one rotating fiber collection surface of a spinning rotor disposed in a closed spinning chamber under negative pressure, the collected spinning fibers are further transported to a thread forming station connected to the fiber collection surface, and the end of the previously formed thread is joined to the spinning fibers transported to the thread forming station as the thread end is rotated, the pieced thread being continuously withdrawn from the thread forming station while spinning fibers are being continuously fed to the fiber collection surface.

REFERENCES:
patent: 4038812 (1977-08-01), Stahlecker
patent: 4249369 (1981-02-01), Tsuzuki et al.
patent: 4384451 (1983-05-01), Elias et al.
patent: 4497166 (1985-02-01), Artzt et al.
patent: 4539804 (1985-09-01), Derichs
patent: 4539808 (1985-09-01), Miyamoto

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