Friction spinning apparatus

Details Friction spinning apparatus Friction spinning apparatus

1983-05-20

1984-04-10

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57 5, D01H 7892, D01H 1135

Patent

active

044413106

ABSTRACT:
A friction spinning apparatus comprises two rollers in closely spaced parallel arrangement which define between them a yarn formation zone at an elongate gap along the rollers and a feed duct which extends into the gap so as to feed fibres directly into the gap in such a manner that they can fall directly onto the yarn. The feed duct is formed as two separate parts slightly toward the roller which turns into the gap so as to increase the proportion of fibres joining the yarn at the junction with that roller, one of which includes a planar jointing face of the feed duct and a co-planar first side wall of the fibre feed duct passage in the feed duct, and the other is a complex part defining the other walls of the fibre feed passage as well as a second planar jointing face.

REFERENCES:
patent: 4060966 (1977-12-01), Konig
patent: 4107909 (1978-08-01), Fehrer et al.
patent: 4130983 (1978-12-01), Dammann et al.
patent: 4202163 (1980-05-01), Turk et al.
patent: 4222222 (1980-09-01), Didek et al.
patent: 4249368 (1981-02-01), Fehrer
patent: 4281507 (1981-08-01), Didek et al.
patent: 4315398 (1982-02-01), Parker et al.
patent: 4327545 (1982-05-01), Fehrer
patent: 4334400 (1982-06-01), Fehrer
patent: 4362008 (1982-12-01), Parker et al.

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