Textiles: spinning – twisting – and twining – Apparatus and processes – Open end spinning
Patent
1984-06-20
1985-09-10
Watkins, Donald
Textiles: spinning, twisting, and twining
Apparatus and processes
Open end spinning
D01H 7892, D01H 7898
Patent
active
045398062
ABSTRACT:
An arrangement for open-end friction spinning is disclosed having two adjacently arranged friction rollers driven in the same rotational direction forming a yarn forming wedge shaped gap or slot. A fiber opening device is provided for opening fibers to be spun and a fiber feed channel guides the fibers from the opening device to the yarn forming gap. A yarn withdrawal device is provided for drawing off the produced yarn in the direction of the longitudinal extension of the yarn forming gap. The opening device is configured to simultaneously treat a plurality of fiber bands and the fiber feed channel is divided into several sections in its cross section. The mouths of the feed channel sections are disposed to open to the yarn forming gap at least partially one behind the other along the longitudinal extension of the yarn forming gap.
REFERENCES:
patent: 3972173 (1976-08-01), Fehrer
patent: 4130983 (1978-12-01), Dammann et al.
patent: 4467597 (1984-08-01), Parker et al.
Stahlecker Fritz
Stahlecker Hans
Watkins Donald
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