Separation of dirt from fibers in spinning machine

Details Separation of dirt from fibers in spinning machine Separation of dirt from fibers in spinning machine

1974-10-29

1976-10-19

Newton, Dorsey

Textiles: spinning, twisting, and twining

Apparatus and processes

Delivery twist type

57 5889, D01H 1100, D01H 112

Patent

active

039863271

ABSTRACT:
In a spinning device of an open end spinning machine, a sliver is fed to and passes through a feeding and opening device which opens it into individual fibers and feeds them into a rotary spinning chamber where they are collected and discharged as a finished yarn therefrom. In order to clean the fibers, when they pass through the feeding and opening device, dirt of the fibers is adapted to be thrown out by centrifugal force and leaves the fibers through a dirt discharge opening into a dirt collecting chamber. At this time, loss of fibers has to be prevented and for such purpose an air supply duct is arranged adjacent to the dirt discharge opening to introduce an air current into the fibers opposite to the direction of movement of the dirt particles. The air supply duct is adapted to allow the speed, the flow rate, and/or the direction of the air current to change in accordance with the conditions mentioned in the following description.

REFERENCES:
patent: 3455097 (1969-07-01), Rajonha et al.
patent: 3777466 (1973-12-01), Kabele et al.
patent: 3785138 (1974-01-01), Rajonha et al.
patent: 3792575 (1974-02-01), Doudlebsky et al.
patent: 3797218 (1974-03-01), Landwehrkamp et al.
patent: 3828539 (1974-08-01), Croasdale et al.

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