Weft pull-back device of a jet weaving loom

Details Weft pull-back device of a jet weaving loom Weft pull-back device of a jet weaving loom

1983-08-01

1984-11-13

Jaudon, Henry S.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

139450, D03D 4734

Patent

active

044819820

ABSTRACT:
In a jet weaving loom having a frame, a reed holder pivotally movable relative to the frame in the downstream and upstream directions with respect to the motion of the warp threads, a jet nozzle mounted on the reed holder to move therewith and ejecting the weft thread into the shed of the warp threads by the jet action thereof, and a weft gripper secured to the frame for selectively gripping and releasing the weft thread advancing toward the jet nozzle, so that when the reed holder moves in the downstream direction toward a first extreme position, the beating and the weft cutting are carried out, and when the reed holder moves in the upstream direction and comes to a second extreme position, the weft picking is actually carried out, there is provided a weft pull-back device which catches the weft thread extending between the weft gripper and the jet nozzle when the reed holder is positioned in the vicinity of the first extreme position, and holds the same for a predetermined period of time when the reed holder moves in the upstream direction toward the second extreme position after completing the beating and the weft cutting.

REFERENCES:
patent: 2089620 (1937-08-01), Rossmann
patent: 3269426 (1966-08-01), Llado
patent: 3329176 (1967-07-01), Fluhmann
patent: 3698442 (1972-10-01), Sakamoto

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