Weft thread supply via two accumulators

Details Weft thread supply via two accumulators Weft thread supply via two accumulators

1988-11-03

1990-08-14

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

D03D 4734

Patent

active

049478982

ABSTRACT:
A method for supplying weft threads to the weft of a weaving machine includes the steps of leading the thread successively through two thread accumulators, one of which is a prewinder which at each insertion releases a length of thread equal to the thread length required, and the second of which is a thread accumulator which has a lower draw-off resistance than the prewinder, and which provides a thread accumulation consisting of at least a part of the length of thread released from the prewinder. An apparatus for implementing the above method includes the above-mentioned two accumulators and control means for controlling thread insertion nozzles and also a thread clip on the low-resistance accumulator which determines the beginning of insertion and a magnetic pin on the prewinder which controls the end of insertion.

REFERENCES:
patent: 3675687 (1972-07-01), Vermeulen et al.
patent: 3799212 (1974-03-01), Stanislav et al.
patent: 3916935 (1975-11-01), Keldany
patent: 4134435 (1979-01-01), Cornellier
patent: 4673004 (1987-06-01), Rosseel et al.

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