Weft yarn measuring method for a picking device

Details Weft yarn measuring method for a picking device Weft yarn measuring method for a picking device

1988-10-26

1990-03-27

Jaudon, Henry S.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

139452, D03D 4736

Patent

active

049112082

ABSTRACT:
A weft yarn measuring method controls the picking device of a fluid jet loom so as to pick a weft yarn of a predetermined length in each picking cycle. In releasing loops of the weft yarn wound on the storage drum of the picking device, the retaining pin of the picking device is controlled so that only one of the loops of the weft yarn is unwound at each reciprocation of the retaining pin, and the reciprocation of the retaining pin is repeated a plurality of times to unwind accurately a plurality of loops of the weft yarn corresponding to a predetermined length of the weft yarn necessary for one picking cycle.

REFERENCES:
patent: 4756344 (1988-06-01), Takeagawa
patent: 4768565 (1988-09-01), Tholander

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