Weft monitoring insertion system for a plurality of different we

Details Weft monitoring insertion system for a plurality of different we Weft monitoring insertion system for a plurality of different we

1999-09-27

2000-09-05

Falik, Andy

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

1393702, D03D 4738, D03D 5134

Patent

active

061127760

ABSTRACT:
The weaving machine with a weft monitoring insertion system (1) for a large number of different weft threads (11, 11', 11") comprises a weft insertion member (6, 60), thread brakes (3), a weft thread selector (4) for the serving of a thread (11, 11', 11") or of more than one thread at the same time, a thread monitor (51) for weft threads (11) which are correctly inserted, and an electronic and programmable control member (8) for the setting of the thread brakes. The weft threads (11), when correctly inserted, form incoming angles (.alpha.) at the thread monitor in the presence of a deflection which depend on the choice of the weft thread. Utilizing the thread monitor (51) a signal can be produced for the control member (8) which is dependent on the incoming angle and the thread tension. Control signals can be calculated and produced in the control member as a result of this signal and as a result of information on the current serving of the weft thread or of the weft threads, i.e. of the presentation of the threads to be inserted through the weft thread selector (4).

REFERENCES:
patent: 3833026 (1974-09-01), Domig
patent: 4785856 (1988-11-01), Gehring et al.
patent: 4924917 (1990-05-01), Shaw
patent: 5322090 (1994-06-01), Dornier et al.
patent: 5477892 (1995-12-01), Corain et al.

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