Opening device for spinning machines

Details Opening device for spinning machines Opening device for spinning machines

2007-03-13

2007-03-13

Hurley, Shaun R. (Department: 3765)

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

Reexamination Certificate

active

11154266

ABSTRACT:
The invention is relative to opening devices for spinning machines, especially open-end spinning machines, that are provided with clothing wires or rings for separating fibers of a supplied sliver. The opening device is characterized in that the clothing wires are pre-bent in accordance with the geometry of a carrier ring, or the clothing rings have the desired geometry of the finished part, and that the particular workpiece surfaces have an at least two-coating construction in which an outer coating is a hard-substance coating. The hard-substance coating consists entirely or partially of especially hard hard-substance components and rests on a substrate layer located underneath it.

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EPO Search Report, May 10, 2004.

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