Fluid handling – Siphons – With flow starting – stopping or maintaining means
Patent
1989-03-03
1989-09-05
Walton, George L.
Fluid handling
Siphons
With flow starting, stopping or maintaining means
137312, 220 1C, 220 69, 222108, F04B 4502, F04F 1000
Patent
active
048629090
ABSTRACT:
A drainage pan for liquid waste containers which includes a Z-bar suction pump assembled with the wall thereof for draining the liquid waste leaked from a liquid waste container, an overflow drain pipe disposed at the upper portion of the wall thereof for draining liquid waste overflow leaked from the liquid waste container, and a plurality of gradually declining supports disposed on the bottom thereof for supporting a liquid waste container whereby the drainage pan prevents the liquid waste from contaminating humans or the ground.
REFERENCES:
patent: 957566 (1910-05-01), Knickerbocker
patent: 3069671 (1962-12-01), Taylor
patent: 3674381 (1972-07-01), Schiff
patent: 4552515 (1985-11-01), Endo
patent: 4748821 (1988-06-01), Berenter
patent: 4765360 (1988-08-01), Baird
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