Floating roof tank seal

Details Floating roof tank seal Floating roof tank seal

1979-02-14

1983-08-30

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

220222, 220225, B65D 8718

Patent

active

044013060

ABSTRACT:
A seal arrangement is provided in a floating roof type tank for slidably sealing between the roof and the tank walls. The seal comprises an expansible tube carrying a lip with the latter extending angularly with respect to the tank walls so that upon inflation of the tube, the lip is moved outwardly and its engagement with the tank walls causes it to be resiliently bent inwardly from its normal unstressed position so that the resiliency of the lip maintains it in contact with the tank walls.

REFERENCES:
patent: 2366711 (1945-01-01), Laird
patent: 2807955 (1957-10-01), Loomis
patent: 3262707 (1966-07-01), Williams
patent: 3787061 (1974-01-01), Yoakum
patent: 4029425 (1977-06-01), Pelsue

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