Center shaft dye injection process

Details Center shaft dye injection process Center shaft dye injection process

1992-10-26

1993-05-18

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

8159, D06B 524

Patent

active

052108961

ABSTRACT:
An improved method for dyeing materials in a wet process dye extractor is shown in which the dyeing material is injected into a vessel containing a rotating perforated basket both through the center shaft of the rotating basket and also at a rear entry port in the vessel. The dual injection of dye material speeds up and improves the process of dyeing and allows dyeing from the "inside-out" as well as the "outside-in".

REFERENCES:
patent: 1300233 (1919-04-01), Allsop et al.
patent: 4726318 (1988-02-01), Yamakita

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