Detection of weft in shuttleless loom

Details Detection of weft in shuttleless loom Detection of weft in shuttleless loom

1979-12-05

1981-10-20

Jaudon, Henry

Textiles: weaving

Stopping

Weft

356429, D03D 5134

Patent

active

042954991

ABSTRACT:
A shuttleless loom incorporating a weft detecting device according to this invention includes a reed, and a number of guide plates arranged in spaced relationship along the reed, the guide plates being provided with aligned apertures to form a guide passage through which a weft is passed when it is inserted into a shed of warps. In order to detect whether or not the weft has been inserted into the shed, the weft detection device is provided with a photoelectric detecting unit disposed between the adjacent guide plates so as to be movable therewith. The detecting unit emits and receives a light beam advancing along a path which extends between the adjacent guide plates and across a path of the weft along which it moves relative to the guide plates after it has been passed through the guide passage.

REFERENCES:
patent: 3853408 (1974-12-01), Kaalverink
patent: 3978893 (1976-09-01), Inagawa et al.
patent: 4085777 (1978-04-01), Dadak et al.
patent: 4150699 (1979-04-01), Suekane

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