Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Combined liquid and gas or vapor
Patent
1991-09-06
1993-04-20
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
052030440
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 a water base, nonchlorinated cleaner. Thereafter, a relatively high level of vacuum force is applied to the soiled garment to be cleaned while steam is directed onto the spot. The steam comprises the main cleaner when no pretreatment is used, and comprises the flushing agent whenever a water-based pretreatment cleaner is used. 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 include an electric water boiler for generating steam and 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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