Weft insertion devices on looms having a motionless weft reserve

Details Weft insertion devices on looms having a motionless weft reserve Weft insertion devices on looms having a motionless weft reserve

1981-07-01

1983-12-06

Jaudon, Henry

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

D03D 4718

Patent

active

044187270

ABSTRACT:
A weft transfer device having special configuration of leading and drawing pincers for inserting the weft in a shuttleless loom. The device includes a leading pincer having a boxlike body shaped to offer the entrance at high speed of the wefts and smooth sliding of the warp threads and a rigid and semi-rigid grasping surfaces, the semi-rigid surface being pressed toward the rigid surface by two independent leaf springs engaging the lateral edge of the semi-rigid surface blade. The drawing pincer includes a lower fixed grasping member and an upper hook-shaped member pivoted to the lower member and forced into engagement therewith by a leaf spring.

REFERENCES:
patent: 2192728 (1940-03-01), Dewas
patent: 3580291 (1971-05-01), Piccoli
patent: 4129155 (1978-12-01), Merisio

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