Check valve

Fluid handling – Line condition change responsive valves – Bi-directional flow valves

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 2133575 (1938-10-01), Rosenberg
patent: 3623504 (1971-11-01), Davis
patent: 3794043 (1974-02-01), McGinnis
patent: 4188978 (1980-02-01), De Lorenzo
patent: 4535820 (1985-08-01), Raines
patent: 4630606 (1986-12-01), Weerda et al.
patent: 4781674 (1988-11-01), Redmond et al.
patent: 4825862 (1989-05-01), Sato et al.
patent: 4922954 (1990-05-01), Blomquist et al.
patent: 4946448 (1990-08-01), Richmond
patent: 5169393 (1992-12-01), Moorehead et al.
patent: 5277171 (1994-01-01), Lannes
patent: 5617897 (1997-04-01), Myers
patent: 6708714 (2004-03-01), Mijers
patent: 2002/0096214 (2002-07-01), Bauer
patent: 1 009 834 (1997-10-01), None
patent: 48105 (1888-06-01), None
patent: 33 27 342 (1985-02-01), None
patent: 34 35 900 (1986-04-01), None
patent: 43 15 701 (1994-11-01), None
patent: 295 19 322 (1996-02-01), None
patent: 297 09 021 (1997-07-01), None
patent: 195 45 421 (2001-05-01), None
patent: 20 2004 009 521 (2004-10-01), None
patent: 10 2004 053 214 (2006-01-01), None
patent: 0 334 157 (1989-09-01), None
patent: 0 612 537 (1994-08-01), None
patent: 1 093 828 (2001-04-01), None
patent: 1 099 457 (2001-05-01), None
patent: 439278 (1935-12-01), None
patent: 293686 (1965-04-01), None

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