Process and device for open-end friction spinning

Details Process and device for open-end friction spinning Process and device for open-end friction spinning

1986-07-16

1988-08-02

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57408, 57411, D01H 7892, D01H 7898, D01H 1135

Patent

active

047606932

ABSTRACT:
In an open-end spinning process, fibers are twisted together into a yarn, alongside a suction slit, in a spinning nip formed by two friction rollers, in close proximity of each other and driven in the same direction, and subsequently drawn off therefrom. The length of the suction orifice of the suction slit is varied, before beginning the spinning process, in accordance with the thickness of the yarn to be produced. The spinning process is then started after such adjustments are made. Practice of the invention improves quality of the yarn, and saves power consumption and other resources by reducing required air consumption.

REFERENCES:
patent: 4502272 (1985-03-01), Fuchs
patent: 4522023 (1985-06-01), Stahlecker
patent: 4537020 (1985-08-01), Fuchs
patent: 4537021 (1985-08-01), Parker
patent: 4537022 (1985-08-01), Stahlecker
patent: 4567722 (1986-02-01), Stahlecker
patent: 4571932 (1986-02-01), Stahlecker et al.
patent: 4606187 (1986-08-01), Stahlecker

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