Seal arrangement for floating roof storage tanks

Details Seal arrangement for floating roof storage tanks Seal arrangement for floating roof storage tanks

1977-09-27

1978-12-19

Ward, Jr., Robert S.

Receptacles

Closures

Floating closure

277 12, 277138, F16J 1502, B65D 2534, B65D 8736

Patent

active

041302176

ABSTRACT:
A seal arrangement for a floating roof in a storage tank, wherein the roof is spaced at its outer periphery from the inner surface of the tank, thus defining a rim space, includes support members secured at one edge to the roof and extending angularly outwardly into close proximity with the tank wall, and yieldable material carried by the support members in a position to engage the tank wall and effect a seal between the roof and tank wall, said yieldable material having a predetermined shape, whereby engagement thereof with the tank wall covers a predetermined, varying area upon variations in the rim space to thus maintain acceptable contact pressure with the tank at different rim spaces between the roof and tank wall, while at the same time maintaining an effective seal.

REFERENCES:
patent: 1698158 (1929-01-01), Glass
patent: 3019935 (1962-02-01), Anderson
patent: 3043468 (1962-07-01), Horner

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