Bleaching and dyeing; fluid treatment and chemical modification – Nominal textile manufacture process combined with dyeing
Patent
1992-10-21
1993-09-07
Cannon, James C.
Bleaching and dyeing; fluid treatment and chemical modification
Nominal textile manufacture process combined with dyeing
428362, 428399, D02G 300, D06P 324, D06P 700
Patent
active
052424650
ABSTRACT:
A method of producing crimped tow by continuously feeding a tow against an adjustable counter pressure means; the tow is maintained at an average predetermined thickness and steam enters the chamber and is exhausted from the chamber in a manner to provide uniform heating of the tow to provide a fiber that is uniformly annealed as determined by measuring light reflectance for yarn dyed with a structural sensitive Milling Blue "B" dye or shrinkage uniformity determined by thermal analysis.
REFERENCES:
patent: 3911539 (1975-10-01), Hughes et al.
patent: 5187845 (1993-02-01), Duffy et al.
Duffy Joseph J.
Potter Jerry F.
Roth Elwood A.
Samant Kalika R.
Todd Maurice C.
Cannon James C.
E. I. Du Pont de Nemours and Company
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