Optical weft sensor for air jet weaving looms

Details Optical weft sensor for air jet weaving looms Optical weft sensor for air jet weaving looms

1984-10-10

1986-06-03

Jaudon, Henry S.

Textiles: weaving

Stopping

Weft

D03D 5134

Patent

active

045923949

ABSTRACT:
An optical sensor of the barrier type for air jet weaving looms comprises two equally orientated, parallel photoelements and two very thin total-transmission optical prisms aligned with the photoelements and insertable between and the reed blades in order to deviate the light rays between the photoelements so that they cross the weft yarn passage channel in the reed.

REFERENCES:
patent: 3853408 (1974-12-01), Kaalverink
patent: 4021119 (1977-05-01), Stauffer
patent: 4432399 (1984-02-01), Bachmann
patent: 4471816 (1984-09-01), Wada

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