Tank valve

Details Tank valve Tank valve

1992-06-15

1993-05-11

Schwadron, Martin P.

Valves and valve actuation

With correlated flow path

Tank

251355, 141368, 141383, F16K 504

Patent

active

052094561

ABSTRACT:
A valve insertable in a threaded opening in a tank for loading, unloading, or sealing the tank. The valve includes a threaded blocking plug threadable into the opening, and a threaded pipe connected to the top of the plug for threading into the opening. The pipe includes a port adjacent its lower end whereby the tank may be emptied or filled when the port is positioned in the tank and the tank is sealed when the plug is positioned in the opening.

REFERENCES:
patent: 1652929 (1927-12-01), Cawood
patent: 2343134 (1944-02-01), Cawood
patent: 3948481 (1976-04-01), Pollock
patent: 4150809 (1979-04-01), Muller
patent: 4269237 (1981-05-01), Berger
patent: 4991821 (1991-02-01), Beaston

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