Receptacles – Closures – Floating closure
Patent
1998-12-15
2000-12-26
Garbe, Stephen P.
Receptacles
Closures
Floating closure
220219, 220222, 220224, 220287, B65D 8846
Patent
active
06164479&
ABSTRACT:
A floating roof storage tank which includes a peripheral sealing ring of shoes distributed around the periphery of an internal floating roof within a storage tank. Spring loaded or otherwise resilient members with essentially level horizontal travel (without vertical travel) attached to the deck of the internal floating roof keep the peripheral sealing ring of shoes pressed against the tank wall and also keep the internal floating roof centered within the tank. The space between the peripheral sealing ring of shoes and the internal floating roof is covered by a flexible material that prevents product loss. Jamming of the resilient members between the tank shell and the relatively flexible rim of the internal floating roof is reduced or eliminated due to the level horizontal travel of the hanger-pushers and their horizontal mounting to the top of the deck. Vertical movement of the individual shoe segments over each other is also reduced or eliminated due to the level horizontal travel of the resilient members. The seal at the overlap of the shoe segments is assured by a stiffened leading edge along with the close proximity of resilient members.
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Garbe Stephen P.
Ultra Flota Corp.
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