Weft thread inserting device for pneumatic looms

Details Weft thread inserting device for pneumatic looms Weft thread inserting device for pneumatic looms

1988-11-30

1990-03-06

Jaudon, Henry S.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

139302, D03D 4730

Patent

active

049057413

ABSTRACT:
A pneumatic loom having at least two blow nozzles arranged in a bundle, is equipped with a weft thread insertion alignment device (2) located in a fixed position between the blow nozzles and the weft thread guide channel formed by the reed teeth. The alignment device (2) has an alignment slot having a funnel-shape receiving the weft threads at a wide inlet opening and leading the weft threads to a narrower outlet opening. The alignment slot extends along at least a portion of the path followed by the reed teeth on their beat-up motion. One end of the alignment slot is open toward the weft thread cutting scissors for exit of the weft threads. Weft threads waste is kept very low by the location of all relevant components close to each other. The effectiveness of the scissors is not impaired at all. The time available for the weft thread insertion is increased which means that the r.p.m. of the loom can be increased.

REFERENCES:
patent: 4498504 (1985-02-01), Allen et al.
patent: 4553570 (1985-11-01), Moessinger et al.

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