Faulty pick removal for a multiple-phase loom

Details Faulty pick removal for a multiple-phase loom Faulty pick removal for a multiple-phase loom

1988-03-21

1990-01-02

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Pile

139435, 139450, D03D 4900

Patent

active

048906492

ABSTRACT:
An operation control method of a multiple-phase loom arranged to weave a plurality of fabrics by simultaneously picking weft yarns respectively to a plurality of warp yarn arrays. In this loom operation control method, first the loom is stopped in case mispick is caused in any of the warp yarn arrays. Then, a mispicked weft yarn and a weft yarn normally picked simultaneously with the mispicked weft yarn are removed automatically. Thereafter, detection is made as to whether the mispicked weft yarn and the normally picked weft yarn are present or not in a weft picking channel. Finally, the loom is restarted upon detecting absence of the mispicked weft yarn and the normally picked weft yarn. Accordingly, the loom restart is carried out after completion of removal of the mispicked weft yarn and the like, thereby achieving effective loom operation without operational troubles, thus preventing weaving defects such as heavy filling bar in a woven fabric.

REFERENCES:
patent: 4502512 (1985-03-01), Suzuki et al.
patent: 4635686 (1987-01-01), Terasaki
patent: 4711273 (1987-12-01), Kato et al.
patent: 4730643 (1988-03-01), Tamatani
patent: 4749006 (1988-06-01), Miyamoto

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