Receptacles – Closures – Having gasket or packing
Reexamination Certificate
2005-09-23
2010-11-23
Stashick, Anthony (Department: 3781)
Receptacles
Closures
Having gasket or packing
C220S806000, C220S601000, C220S582000
Reexamination Certificate
active
07837054
ABSTRACT:
The present invention is directed to a seal system for sealing a storage tank such as a liquid or air storage tank. In accordance with the preferred embodiment, the seal system includes a radial valve body that is disposed within a circular spring energizer, together which are disposed within a boss member. The spring energizer and the boss member are separated by a non-bonded liner. Various radial seal members are placed within the inner surface of the boss member to ensure the seal, and the seal system is installable to the top portion of a liner of a storage tank.
REFERENCES:
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patent: 4369893 (1983-01-01), Pennell et al.
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patent: 4589564 (1986-05-01), Olster et al.
patent: 5174463 (1992-12-01), Scharrer
patent: 5984138 (1999-11-01), Olson
patent: 7296474 (2007-11-01), Shamine
patent: WO-2006/034439 (2006-03-01), None
International Search Report mailed Feb. 6, 2008, for PCT Application No. PCT/US05/34124, three pages.
Leavitt Mark
Newell Ken
Van Oyen Johannes
Warner Mark
Morrison & Foerster / LLP
Quantum Fuel Systems Technologies Worldwide, Inc.
Smalley James N
Stashick Anthony
LandOfFree
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