Device for re-tensioning a weft thread unwinding in a shuttle-le

Details Device for re-tensioning a weft thread unwinding in a shuttle-le Device for re-tensioning a weft thread unwinding in a shuttle-le

1977-05-11

1979-04-17

Jaudon, Henry

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

D03D 4734

Patent

active

041495721

ABSTRACT:
A retensioning device for a shuttle-less loom in which the yarn is drawn from a yarn reserve through a pair of eyelets and a thread brake for insertion, e.g. by lances into the warp, comprises a falt chamber defined between a fixed lower plate and a movable upper plate having an opening through which the head of a nozzle passes in the closed position of the upper plate. The nozzle directs a flat stream of air into the chamber to cause the yarn therein to describe a loop with the sides of the loop nearly parallel to one another, thereby preventing tangling.

REFERENCES:
patent: 3024814 (1962-03-01), Te Strake
patent: 3110325 (1963-11-01), Strake
patent: 3395737 (1968-08-01), Wueger
patent: 3736964 (1973-01-01), Budzyna
patent: 3865149 (1975-02-01), Keldany

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