Method and device for forming a thread joint

Details Method and device for forming a thread joint Method and device for forming a thread joint

1985-11-04

1987-12-15

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57261, 57264, D01H 1502

Patent

active

047123672

ABSTRACT:
A method of forming a thread joint in an open-end spinning machine having a sliver drawing-in device for drawing in a sliver and feeding it to a fiber loosening device from which it is guided by a fiber guiding device to a fiber accumulator at which the fibers are accumulated, disentangled, imparted with a rotary motion, and thereafter engaged with an open end of a thread, and a take-up device for drawing the thread out of the fiber accumulator includes for the purpose of joining a joint, bringing a thread end which is fed back into the fiber accumulator into contact with a quantity of fibers to be joined which have been previously fed into the fiber accumulator, continuously withdrawing the thread out of the fiber accumulator and continuously feeding fibers into the accumulator, continuously measuring the quality of the joints and automatically controlling, in accordance with the quality, the quantity of fibers being joined.

REFERENCES:
patent: 4007457 (1977-02-01), Aeppli
patent: 4084398 (1978-04-01), Stahlecker et al.
patent: 4102116 (1978-07-01), Derichs et al.
patent: 4137699 (1979-02-01), Stahlecker et al.
patent: 4150530 (1979-04-01), Derichs
patent: 4168604 (1979-09-01), Mannhart
patent: 4195345 (1980-03-01), Artzt et al.
patent: 4222224 (1980-09-01), Raasch
patent: 4327546 (1982-05-01), Derichs et al.
patent: 4472933 (1984-09-01), Raasch et al.

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