Arrangement for open-end rotor spinning

Details Arrangement for open-end rotor spinning Arrangement for open-end rotor spinning

1988-11-09

1990-02-27

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57415, D01H 7882, D01H 7892

Patent

active

049034740

ABSTRACT:
An open-end rotor spinning apparatus is provided which includes a spinning rotor element for spinning yarn. A yarn receiving surface is included with the spinning rotor element and is arranged around a spinning rotor element substantially circumferentially transverse to the axis through the spinning rotor element. A housing is provided for housing the spinning rotor element, and the housing element is connected to a vacuum source. A fiber feeding duct feeds fibers to the spinning rotor element. The fiber feeding duct includes a mouth area leading into the spinning rotor element and adjacent feeding duct. The mouth is oval shaped and has a cross-sectional width in the circumferential direction of the yarn receiving surface which is greater than the cross-sectional width in the axial direction of the spinning rotor element.

REFERENCES:
patent: 3538698 (1970-11-01), Ripka et al.
patent: 3651632 (1972-03-01), Shepherd
patent: 3834138 (1974-09-01), Sakurai et al.
patent: 3956876 (1976-05-01), Artzt et al.
patent: 4179874 (1979-12-01), Jacobsen
patent: 4245460 (1981-01-01), Staufert et al.
patent: 4459800 (1984-07-01), Stahlecker

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