Weaving machine pile warp thread tensioning and drawing-back dev

Details Weaving machine pile warp thread tensioning and drawing-back dev Weaving machine pile warp thread tensioning and drawing-back dev

1998-04-08

2000-04-25

Falik, Andy

Textiles: weaving

Warp manipulation

Feeding

28194, 112254, 139453, 242150R, D02H 1324, B65H 5936

Patent

active

060532165

ABSTRACT:
A thread tensioning and drawing-back device for pile warp threads of a weaving machine, which device comprises provisions (2) for braking, by spring elements, pile warp threads (4) taken up by a weaving machine, and provisions (5) for drawing back the pile warp threads (4) in case of variations of warp length resulting from changing the shed position of the weaving machine, in which the provisions (2) for braking the pile warp threads (4) consist of disk springs (2) placed next to each other in a row on a horizontal spindle (3), each provided for braking one pile warp thread (4). The device can furthermore comprise preferably detachable tension spindles (11), (12) at the entrance to the disk yarn brakes (2) and at the exit from the disk yarn brakes (2). Provisions (5) for drawing back the pile warp threads (4) can comprise devices such as namely weight levers (5) or flat springs (25) which each separately hold taut the thread for a separate disk yarn brake (2), and which collectively, per row of disk yarn brakes (2), are mounted on a common shaft (14), (24).

REFERENCES:
patent: 2246989 (1941-06-01), Sparkes
patent: 3181569 (1965-05-01), Carroll
patent: 3356050 (1967-12-01), Urscheler
patent: 3967657 (1976-07-01), Cugini

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