Friction spinning apparatus

Details Friction spinning apparatus Friction spinning apparatus

1988-01-29

1989-03-14

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

D01H 112, D01H 1135

Patent

active

048115541

ABSTRACT:
A friction spinning unit employs two rotatable bodies to define the spinning gap, at least one of the bodies being in the form of a cone whose surface moves towards the friction spinning gap from the same side as that from which separated fibres are fed by a fibre feed means. This configuration of the bodies generates a self-conveying action which propels the bundle of fibres axially along the friction spinning gap so that the bundle itself enters twist-blocking means which facilitates the piecing action and dispenses with the need for a seed yarn to be returned to the friction spinning gap to piece up after a yarn break or after shutdown.

REFERENCES:
patent: 4165600 (1979-08-01), Schippors et al.
patent: 4168601 (1979-09-01), Didek et al.
patent: 4241571 (1980-12-01), Turk et al.
patent: 4241574 (1980-12-01), Turk et al.
patent: 4676062 (1987-06-01), Brockmanns et al.
patent: 4753066 (1988-06-01), Briner et al.

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