Alternating selectable cleaning fluid to air purging system

Details Alternating selectable cleaning fluid to air purging system Alternating selectable cleaning fluid to air purging system

1987-07-16

1988-12-20

Simone, Timothy F.

Cleaning and liquid contact with solids

Apparatus

With plural means for supplying or applying different fluids...

134102, 134105, 134166C, 137595, 239106, 239112, 118302, B08B 310

Patent

active

047919469

ABSTRACT:
A system for purging fluid delivery systems such as paint spray guns with non-toxic, non-polluting cleaning solvents. A sealed tank is provided for storing a cleaning solvent with air pressure applied to deliver the cleaning solvent through a coaxial hose to a slide selectable valve. Pressurized air is also connected to one of the conduits of the coaxial hose. Spray guns or fluid delivery systems are cleaned and purged by first releasing the cleaning solvent in the passageways and then quickly switching to a blow-down mode on the slide selectable valve to discharge the cleaning solvent from the spray gun passages.

REFERENCES:
patent: 3146950 (1964-09-01), Lancaster
patent: 3403695 (1968-10-01), Hopkins
patent: 3674205 (1972-07-01), Kock
patent: 3716191 (1973-02-01), Knight
patent: 3790030 (1974-02-01), Ives
patent: 3876114 (1975-04-01), Hicks et al.
patent: 4534802 (1985-08-01), Gates et al.
patent: 4667084 (1987-05-01), Regge

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