D - Textiles – Paper – 02 – G
Patent
D - Textiles, Paper
02
G
28/42
D02G 1/00 (2006.01) D02G 1/12 (2006.01)
Patent
CA 1114140
ABSTRACT OF THE DISCLOSURE 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 pres- sure 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.
333773
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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