Floating roof seal

Details Floating roof seal Floating roof seal

1978-01-20

1979-11-06

Pollard, Steven M.

Receptacles

Closures

Floating closure

220222, B65D 8718, B65D 8720

Patent

active

041732910

ABSTRACT:
A seal for use in a floating roof storage tank. The seal closes the annular space defined between the floating roof and the wall of the storage tank. The seal includes a single, unitary length of pliable material which is folded about the longitudinal axis thereof to superpose the side edges thereof. The end edges are closed and the superposed side edges are attached to the floating roof. A scuffband is attached to the floating roof to be interposed between the envelope and the tank wall, and fluent material can be placed into the envelope when the seal is in situ. A method of forming the seal is disclosed, as is a secondary sealing means.

REFERENCES:
patent: 2997200 (1961-08-01), Giannini et al.
patent: 3135415 (1964-06-01), Fino
patent: 3724705 (1973-04-01), McKibbin
patent: 4014454 (1977-03-01), Nayler et al.

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