Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1991-02-26
1992-02-11
Silvermasn, Stanley S.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
209164, 209168, 209169, 222 56, 222 61, 222309, 222389, 417390, 417392, 417472, B03D 114
Patent
active
050873520
ABSTRACT:
A device for controlling the flow of foam which uses a piston-cylinder arrangement to receive foam at the rapid flow rate of a foam generator until the cylinder is substantially full of foam and then to dispense the foam at a lower flow rate by using the piston to gradually push the foam out of the cylinder.
REFERENCES:
patent: 862867 (1907-08-01), Eggleston
patent: 4498318 (1985-02-01), Mitter
patent: 4830737 (1989-05-01), Cole, Jr.
patent: 5019244 (1991-05-01), Cole, Jr.
McCarthy Neil M.
Silvermasn Stanley S.
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