Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Combined liquid and gas or vapor
Patent
1992-04-30
1993-10-19
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Combined liquid and gas or vapor
81493, 8158, 68 5R, 68 20, 68205R, 68240, D06F 4300, D06B 524
Patent
active
052533786
ABSTRACT:
A substantially self-contained system and corresponding method provides practical spot cleaning of soiled garments without requiring the use of chlorinated solvents. A soiled garment may optionally be pretreated with either of a water based or petroleum based nonchlorinated cleaner. Thereafter, a relatively high level of vacuum force is applied to the soiled garment to be cleaned, and comprises the flushing agent for both the soil and the pretreatment cleaner. Drying effects obtained with the vacuum force may be augmented by the addition of compressed air directed onto the garment. A self-contained workstation practicing such methodology may optionally include an electric water boiler for generating steam to be applied as a supplement to vacuum and also include an industrial grade vacuum pick-up with a waste collector for generating the relatively high vacuum force, preferably at least about 80 inches of mercury of static pressure.
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Cherokee Products, Inc.
Coe Philip R.
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