Fiber supply duct for an open-end spinning unit

Details Fiber supply duct for an open-end spinning unit Fiber supply duct for an open-end spinning unit

1975-10-24

1977-03-29

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

D01H 112

Patent

active

040141624

ABSTRACT:
A fiber supply duct for an open-end spinning unit of the type having an opening device, such as an opening roller, for the opening of continuously fed fiber material. The fiber supply duct extends from the opening device and terminates in a spinning rotor with an air current effecting a conveyance of the fibers being generated in the fiber supply duct by means of a negative pressure ambient produced in the zone of the spinning rotor. The fiber supply duct is provided with a steadily widening flaring mouth section in the zone of the spinning rotor.

REFERENCES:
patent: 3381463 (1968-05-01), Fajt et al.
patent: 3523300 (1970-08-01), Tabata et al.
patent: 3688487 (1972-09-01), Fukuta
patent: 3901013 (1975-08-01), Sharycherkov

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