Yarn spinning apparatus

Details Yarn spinning apparatus Yarn spinning apparatus

1974-09-20

1976-03-16

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

57 5895, D01H 112

Patent

active

039436900

ABSTRACT:
An open end yarn spinning apparatus having a hollow opening roller for feeding fibres to a collecting surface formed in a rotor, the curved wall of the roller being such as to permit gaseous flow from inside the roller to outside the roller, and a rotatable impeller arranged to produce a positive gas pressure within the hollow roller during operation of the apparatus to cause a gaseous flow to pass from inside the roller to outside the roller, said impeller being mounted so as to be constrained to rotate with another member of the apparatus that rotates in operation of the apparatus.

REFERENCES:
patent: 3360917 (1968-01-01), Kubovy et al.
patent: 3455097 (1969-07-01), Rajnoha et al.
patent: 3624994 (1971-12-01), Rohlena et al.
patent: 3624997 (1971-12-01), Didek et al.
patent: 3626681 (1971-12-01), Naruse
patent: 3763641 (1973-10-01), Doublebsky et al.
patent: 3834145 (1974-09-01), Ellingham et al.
patent: 3837154 (1974-09-01), Stahlecker

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