Storage tank

Details Storage tank Storage tank

1975-11-25

1977-07-12

Marcus, Stephen

Receptacles

Closures

Floating closure

B65D 8718

Patent

active

040348873

ABSTRACT:
A storage tank having a floating roof and a roof drainage system comprising a flexible conduit extending between the roof and a drain pipe adjacent the base of the tank, the lower end of the conduit being sealed relative to the drain pipe and there being a connection between the upper end of the conduit and the upper surface of the roof so that rainwater accumulating on the roof can pass down the conduit to the drain pipe, and the roof, adjacent the top of the conduit being apertured and the conduit being capable of being withdrawn therefrom and replaced without the need to empty the tank.

REFERENCES:
patent: 2315023 (1943-03-01), Stevenson
patent: 2390141 (1945-12-01), Wiggins
patent: 2482468 (1949-09-01), Cranmer
patent: 2497645 (1950-02-01), Wiggins
patent: 2601316 (1952-06-01), Moyer
patent: 2664220 (1953-12-01), Cord et al.
patent: 2789722 (1957-04-01), Oberst
patent: 2844169 (1958-07-01), Skinner
patent: 2846109 (1958-08-01), Larsen
patent: 2886204 (1959-05-01), Moyer et al.
patent: 3474931 (1969-10-01), Daniels et al.

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