Crimping process and a feed device therefor having constant forc

Details Crimping process and a feed device therefor having constant forc Crimping process and a feed device therefor having constant forc

1994-08-12

1996-10-15

Calvert, John J.

Textiles: manufacturing

Thread finishing

Surface modification of running length

28268, 226172, D02G 112

Patent

active

055641741

ABSTRACT:
In a crimping process in a crimping machine therefor, a compression force on an extended length of a transiting fiber bundle is exerted by and between means for maintaining a continuous and forced contact. The means for maintaining a continuous and forced contact comprise two closed belts, each of which runs around two motorized rollers travelling at a same velocity as the fiber bundle. Pressurized air or steam is injected into the crimping machine in a same direction as an advancement direction of the fiber bundles, but in an opposite sense thereto.

REFERENCES:
patent: 3251253 (1966-05-01), Eubanks
patent: 3429018 (1969-02-01), Rosenstein et al.
patent: 3610500 (1971-10-01), Brown
patent: 5025538 (1991-06-01), Saleh
patent: 5368212 (1994-11-01), Koch

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