Emergency roof drain for floating roof storage tanks

Details Emergency roof drain for floating roof storage tanks Emergency roof drain for floating roof storage tanks

1977-11-01

1979-01-16

Price, William

Receptacles

Closures

Floating closure

220202, B65D 5116, B65D 8718

Patent

active

041345150

ABSTRACT:
An emergency roof drain for floating roof storage tanks includes a siphon carried by the roof with an intake end above the roof and an outlet end below the roof. The siphon is normally closed by a valve and a valve operator is connected to open the valve in response to a predetermined emergency water level on top of the floating roof to thereby siphon the water from the roof and thus prevent sinking of the roof.

REFERENCES:
patent: 1979272 (1934-11-01), Kramer
patent: 2563017 (1951-08-01), Feild
patent: 3883032 (1975-05-01), Fisher

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