Yarn ending unit for open-end spinning machine

Details Yarn ending unit for open-end spinning machine Yarn ending unit for open-end spinning machine

1977-07-25

1979-03-06

Gorenstein, Charles

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57 5889, D01H 1500

Patent

active

041423585

ABSTRACT:
A yarn ending unit, applied to an open-end spinning machine, which performs ending by means of the ending unit running in front of said spinning machine. The ending unit includes a friction roller for driving a package unit and a friction roller for driving a feed roller, both fitted to said ending unit. The two friction on rollers are driven by a variable speed electric motor, the number of revolutions of which can be controlled in response to the number of revolutions of a rotor fitted to said spinning machine. A hook is provided for each spinning machine, to hold one end of a yarn, and said hook is designed to be operable by a solenoid, energized by output from the control means.

REFERENCES:
patent: 3680300 (1972-08-01), Landwehrkamp
patent: 3810352 (1974-05-01), Miyazaki et al.
patent: 3877210 (1975-04-01), Seidl
patent: 3878671 (1975-04-01), Seidl et al.
patent: 4080775 (1978-03-01), Stablecker

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