Floating roof metallic shoe seal spring hanger system

Details Floating roof metallic shoe seal spring hanger system Floating roof metallic shoe seal spring hanger system

1994-12-27

1996-06-25

Moy, Joseph M.

Receptacles

Closures

Floating closure

220224, 220226, B65D 87207

Patent

active

055292003

ABSTRACT:
The present invention relates to a ring seal for between a floating roof and a side wall in a liquid and vapor storage tank. The ring seal includes a number of overlapping shoe plates hung from the floating roof by pantagraph hanger assemblies. The pantagraph hanger assemblies urge the shoe plates against the side wall and a gap seal prevents tank vapor loss along a lap joint between adjoining shoe plates.

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Letter From John P. Scherlacher to Jack R. Pine, Nov. 18, 1993 (Expurgated And Filed Under Seal).

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