Cleaning and liquid contact with solids – Apparatus – With means for collecting escaping material
Patent
1988-06-30
1990-06-19
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
With means for collecting escaping material
134166C, 134102, 55320, 55441, 55468, 239106, 118302, B08B 304
Patent
active
049343939
ABSTRACT:
A spray gun cleaning apparatus for containing and collecting toxic materials resulting from cleaning a spray gun with a cleaning fluid is disclosed. The apparatus includes an interior airflow passageway, a receptacle at an inflow end of the passageway for receiving the spray from the spray gun nozzle, and an outlet at the other end of the passageway for discharging airflow into the ambient environment. At least one filter/condenser is located within the passageway for condensing cleaning fluid vapor into liquid which flows into a waste container, preferably by gravity flow. The apparatus further includes a negative pressure generator connected to a source to compressed air for generating a negative air pressure within the passageway relative to ambient in a manner which causes air to flow through the filter/condenser so that cleaning fluid vapors sprayed from the gun nozzle during cleaning are substantially contained, condensed and removed by the filter/condenser before being returned to the ambient, the removed cleaning fluid and other toxic material such as waste paint flowing safely into the waste container. The spray gun is also connected to the source of compressed air and drives the cleaning fluid from the gun into the receptacle as an atomized spray.
REFERENCES:
patent: 2745418 (1956-05-01), Balcom et al.
patent: 4025363 (1977-05-01), DeSantis
Lighthall Homer H.
Lighthall John S.
Lighthall John S.
Stinson Frankie L.
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