Device for preparing a piecing process in an open-end spinning m

Details Device for preparing a piecing process in an open-end spinning m Device for preparing a piecing process in an open-end spinning m

1998-03-05

1999-06-29

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57301, 57302, 57304, 57406, 57407, 57415, D01H 1326

Patent

active

059161183

ABSTRACT:
So that stray fibers do not become attached to the rotor during a yam piecing process in the spinning box of a rotor spinning machine, the rotor may be cleaned by an air flow generated by drawing air into the rotor by the prevailing spinning vacuum or by blowing compressed air into the rotor through a closable opening in the rotor chamber. To avoid the danger that soiling of the closure of the opening will permit aspiration of secondary air and impair control of the air supply, the closure is formed as a slide member with a leading edge configured for cleaning the opening during closing movement.

REFERENCES:
patent: 4038812 (1977-08-01), Stahlecker
patent: 4069654 (1978-01-01), Roehrich
patent: 4485616 (1984-12-01), Morita et al.
patent: 4487012 (1984-12-01), Horiuchi et al.
patent: 4676060 (1987-06-01), Stahlecker et al.
patent: 5640839 (1997-06-01), Novotny et al.
patent: 5732543 (1998-03-01), Bungter et al.
patent: 5749213 (1998-05-01), Stephen

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