Device comprising a movable nozzle for the pneumatic insertion o

Details Device comprising a movable nozzle for the pneumatic insertion o Device comprising a movable nozzle for the pneumatic insertion o

1981-12-17

1984-05-15

Jaudon, Henry

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

139450, 139 1E, D03D 4736

Patent

active

044482230

ABSTRACT:
The weft insertion nozzle is mounted on an extension of the sley sole, and the nozzle is pivotable about an axis perpendicular to the sley sole. The nozzle is connected to a fixed point of the loom by means of a retractable connecting-rod. Due to the action of this connecting-rod, the nozzle is in a position parallel to the sley sole during insertion of a pick of weft into the shed, but forms an angle with sley sole in the beating-up position of the sley, at which the weft is cut by scissors. A pneumatic jack supported by the sley sole can also cause the weft insertion nozzle to pivot by retracting the connecting-rod, in order to deflect the weft by directing the weft from the nozzle into a suction mouthpiece so as to prevent insertion of a pick into the shed when a fault is detected causing the stoppage of the machine.

REFERENCES:
patent: 3229725 (1966-01-01), Saito
patent: 3938561 (1976-02-01), Scheffel
patent: 4326565 (1982-04-01), Van Mullekom
Blueprint from Saurer-Diederichs.

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