Floating roof tank seal

Details Floating roof tank seal Floating roof tank seal

1978-05-12

1979-04-03

Ward, Jr., Robert S.

Receptacles

Closures

Floating closure

277165, 277228, 277229, B65D 87207, F16J 1532

Patent

active

041472748

ABSTRACT:
A rim seal is provided for a floating roof tank to fill the space between the floating roof and circumferential wall of the tank. The seal is a compressible toroid of approximately the diameter of the tank and has a cross-sectional diameter greater than the largest opening between the floating roof and the circumferential wall or an existing seal and the circumferential wall. An inner tube is provided which encapsulates the toroid; an outer tube is provided which is elastic and encapsulates the inner tube. Slits in the outer tube adjacent to the circumferential wall are disposed substantially circumferentially with respect to the toroid.

REFERENCES:
patent: 3112933 (1963-12-01), Merkel
patent: 3125346 (1964-03-01), Poltorak
patent: 4099643 (1978-07-01), Wardwell et al.

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