Fluid handling – Line condition change responsive valves – Bi-directional flow valves
Reexamination Certificate
2008-04-22
2008-04-22
Hepperle, Stephen M. (Department: 3753)
Fluid handling
Line condition change responsive valves
Bi-directional flow valves
C137S512400, C604S099020, C604S099030
Reexamination Certificate
active
07360556
ABSTRACT:
A check valve is provided, including a first hose connector housing defining an entry passage and a first valve seat, a second hose connector housing engaging the first hose connector housing and defining an exit passage, a generally flexible, perforate membrane disk positioned between the first and second hose connector housings and pretensioned against the first valve seat to selectively sealingly separate the first and second hose connector housings, and a one-way relief valve fluidly connected with the exit passage and configured to permit venting of the exit passage upon overpressurization thereof.
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Brinks Hofer Gilson & Lione
Filtertek Inc.
Hepperle Stephen M.
LandOfFree
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