Stretching arrangement for stretching of plastic threads

Details Stretching arrangement for stretching of plastic threads Stretching arrangement for stretching of plastic threads

1990-03-21

1991-05-07

Reynolds, W. C.

Textiles: manufacturing

Warp preparing or handling

28185, 28186, 28187, 57346, D02J 122, D03H 300

Patent

active

050125630

ABSTRACT:
An arrangement for the stretching and warping of synthetic warp threads under the influence of heat. The arrangement has feed rollers for driving warp threads, take off rollers for driving warp threads received from the feed rollers, with the take off rollers having a higher circumferential speed than the feed rollers. Additionally there are at least two rotatable deflection rollers, of which at least one roller is heatable with the rollers being rotatable in directions opposite to each other, and at least two auxiliary rollers which are rotatable in directions opposite to each other. A feed segment of the thread extends from the feed roller arrangement to the deflection roller proximate thereto and a take off segment of the threads extends from the deflection roller proximate thereto, to the take off roller arrangement. One of the auxiliary rollers is moveable against the side of the threads on the feed section contactable by the deflection roller proximate to the feed rollers and another auxiliary roller is moveable against the side of the thread of the takeoff segment contactable by the deflection roller proximate to the take off rollers. The threads are liftable from the deflection rollers.

REFERENCES:
patent: 3602966 (1971-09-01), Fleissner
patent: 3855778 (1974-12-01), Brandi et al.
patent: 4010915 (1977-03-01), Strutz et al.
patent: 4669159 (1987-06-01), Bogucki-Land
patent: 4852225 (1989-09-01), Hagewood et al.
patent: 4868959 (1989-09-01), Bauer at al.

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