Method and apparatus for fasciated yarn spinning

Details Method and apparatus for fasciated yarn spinning Method and apparatus for fasciated yarn spinning

1982-12-09

1984-06-26

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57328, 57411, 57414, 57415, D01H 112, D01H 528

Patent

active

044558198

ABSTRACT:
A method and apparatus for spinning a modified fasciated yarn at a high production rate featuring a combination of open-end spinning and fasciated yarn spinning. A sliver is opened by a combing roller and deposited as a fiber layer on a fiber collecting surface of a drum rotor rotating at a high speed. Thereafter, the fiber layer is drawn off from the fiber collecting surface as a continuous fiber bundle by a central rotor rotating coaxially with the drum rotor at a faster speed. During the drawing-off operation, the fiber bundle is flattened to a ribbon form by making contact to a deflector and is subjected to a vortex within an air twisting nozzle mounted on the central rotor to form a resultant yarn. According to the present invention, high production rate can be obtained because a roller drafting system having aprons can be omitted.

REFERENCES:
patent: 3901012 (1975-08-01), Safar
patent: 4044537 (1977-08-01), Negishi et al.
patent: 4168601 (1979-09-01), Didek et al.
patent: 4322942 (1982-04-01), Fast et al.

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