Wet tow crimping process

Details Wet tow crimping process Wet tow crimping process

1978-08-17

1980-04-15

Mackey, Robert

Textiles: manufacturing

Thread finishing

Surface modification of running length

D02G 112

Patent

active

041976223

ABSTRACT:
Utilization of finish and recovery of materials for control of pollution are improved in a tow crimping process wherein an advancing tow of fibers which have been processed in an aqueous bath or series of aqueous baths is uniformly compressed in a confined space under a nip pressure of 600-1,000 lbs./in. to exude solvent-containing water from the tow, the exudate being returned to the last aqueous bath, a predetermined amount of finish is applied to the tow, the fibers are crimped in a stuffing box crimper whereby some of the finish and a small amount of residual moisture are exuded from the tow, the exudate is recovered and removed to a storage container, the exudate is re-applied to the tow at a rate corresponding to the rate of exudation and the crimped tow is collected and then dried.

REFERENCES:
patent: 3725523 (1973-04-01), Bowen
patent: 3916651 (1975-11-01), Carruthers
patent: 3965548 (1976-06-01), James, II et al.

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