Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1993-01-11
1994-02-08
Fox, John C.
Fluid handling
Systems
Flow path with serial valves and/or closures
285111, F16L 2900
Patent
active
052841839
ABSTRACT:
A coupling having a seal member with an annular flexible metal seal surface for sealing with a male member or probe. The metal seal surface is integral with the seal member and extends into the bore of the female member. The metal seal surface is urged radially inwardly against the male member in response to internal fluid pressure in the coupling.
REFERENCES:
patent: 4369977 (1943-01-01), Bishop et al.
patent: 4694859 (1987-09-01), Smith
patent: 4709726 (1987-12-01), Fitzgibbons
patent: 4768538 (1988-09-01), Mintz et al.
patent: 4781399 (1988-11-01), Collon
Fox John C.
National Coupling Company Inc.
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