Opening roller for an open-end spinning device

Details Opening roller for an open-end spinning device Opening roller for an open-end spinning device

1998-09-29

2000-08-15

Stryjewksi, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

19 98, 19112, 19114, 57411, D01H 400

Patent

active

061018058

ABSTRACT:
An opening roller (1) for an open-end spinning device with a rotatably seated cylindrical roller body (7) is encircled by a sawtooth card clothing, (10, 10") molded in the form of a helical coil spring essentially entirely of a commercial ceramic material, e.g., aluminum oxide, zirconium oxide, silicon carbide, silicon nitride, or a mixture thereof. The ceramic helical sawtooth card clothing may be directly positioned on the cylindrical roller body by the use of an interlocking base body of the card clothing or by friction fitting a square cross-sectional base body or the ceramic card clothing may be indirectly positioned on the cylindrical roller body by winding the helical card clothing around a support structure that surrounds the cylindrical roller body.

REFERENCES:
patent: 3720504 (1973-03-01), Frehn
patent: 4287643 (1981-09-01), Leifeld
patent: 4342137 (1982-08-01), Ennis et al.
patent: 4352224 (1982-10-01), Grimshaw et al.
patent: 4805395 (1989-02-01), Stahlecker et al.
patent: 5709074 (1998-01-01), Stahlecker
Hartstoffschichten fur Auflosewalzan von Rotor-Spinnmaschinen und deren Einfluss auf Garnqualitat und Lebensdauer Author: Dip.-Ing. karl-Heinz Schmolke, Neubulach, (Apr. 1991).
Entwicklung keramischer Hochleistungswerstoffe Authors: F. Aldinger and W.D.G. Bocker, 1992 No Month Available.

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