Valves and valve actuation – Rotary valves – Ball valve
Patent
1993-08-17
1994-07-26
Fox, John C.
Valves and valve actuation
Rotary valves
Ball valve
251317, F16K 506
Patent
active
053321936
ABSTRACT:
A ball valve with seals for the closure part, each seal is profiled in cross section and can be blocked in the closure part with the assistance of annular flanges which can be bent over against the seals.
REFERENCES:
patent: 3437310 (1969-04-01), Inch
patent: 3501127 (1970-03-01), Freeman
patent: 3545721 (1970-12-01), Shafer
patent: 4113231 (1978-09-01), Halpine
patent: 4135545 (1979-01-01), Fowler et al.
Fox John C.
Giacomini Industriale, S.p.A.
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