Fluid handling – Processes – Cleaning – repairing – or assembling
Reexamination Certificate
2007-06-05
2007-06-05
Keasel, Eric (Department: 3753)
Fluid handling
Processes
Cleaning, repairing, or assembling
C137S315230, C251S306000, C277S641000
Reexamination Certificate
active
11304245
ABSTRACT:
An assembly comprises a valve, a valve seal, and a piece of epoxy. The valve comprises a valve gate, a housing, and a plurality of screws. The housing comprises a fluid passageway and a groove that extends into the housing from the fluid passageway. Each of the screws extends into the groove of the housing. The valve gate is movable relative to the housing between an opened and closed position. The valve seal is positioned at least partially within the groove. The piece of epoxy surrounds at least a portion of each of the screws and has a geometry that is interlocked with the valve seal and with each of the screws in a manner securing the valve seal to each of the screws and in a manner such that the valve seal is positioned to compress against the valve gate when the valve gate is in the closed position.
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Hartman Brian T.
Hartman Thomas A.
Fristoe Jr. John K.
Keasel Eric
Thompson & Coburn LLP
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