Method for altering fabric finishes

Details Method for altering fabric finishes Method for altering fabric finishes

1988-05-02

1989-03-28

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

8159, 427242, 427243, 427294, D06F 2104, B05D 724

Patent

active

048160334

ABSTRACT:
Improved techniques are provided for giving new garments, such as jeans, a worn appearance by tumbling the garments with potassium permanganate impregnated pumice rock. Pumice rock is thoroughly and quickly impregnated with potassium permanganate solution by placing the rock in a sealed chamber, drawing a vacuum in the chamber, spraying a potassium permanganate solution into the chamber while allowing the vacuum to drop to a preselected level, then retrieving the impregnated rock from the chamber. The garments and impregnated rock are then tumbled in a perforated container. New garments are added with additional rock to replenish the reduced the reduced volume of the used rock, which need not be reimpregnated. A preferred stone-washed appearance may be obtained by the combined bleaching effect of the potassium permanganate and the abrasive action of the rock.

REFERENCES:
patent: 4304562 (1981-12-01), Bolan et al.
patent: 4575887 (1986-03-01), Viramontes
patent: 4750227 (1988-06-01), Hopkins et al.

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