Floating roof tank with rim space seal

Details Floating roof tank with rim space seal Floating roof tank with rim space seal

1985-08-05

1986-10-07

Pollard, Steven M.

Receptacles

Closures

Floating closure

220224, B65D 8846, B65D 8850

Patent

active

046154582

ABSTRACT:
A vertical cylindrical liquid storage tank having a circular floating roof therein and a seal from the roof to the tank wall for preventing escape of vapor from stored liquid. The seal has metal flexible sections, which can be laterally bent, extending from the roof edge to the tank wall, with an elastomeric tip on the sections. Gaskets can fill in gaps or space between the sections to prevent escape of vapor.

REFERENCES:
patent: 1666415 (1928-04-01), Gallagher
patent: 1979657 (1934-11-01), Wiggins
patent: 2997200 (1961-08-01), Giannini et al.
patent: 4191303 (1980-03-01), Kinghorn, Sr. et al.
patent: 4287999 (1981-09-01), Heisterberg
patent: 4353478 (1982-10-01), Clark
patent: 4371090 (1983-02-01), Ogarek et al.
patent: 4437577 (1984-03-01), Myers et al.

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