Valves and valve actuation – Valve – Bodies
Patent
1979-06-07
1981-02-17
Schwadron, Martin P.
Valves and valve actuation
Valve
Bodies
220319, 251329, F16K 300, B65D 4532
Patent
active
042510546
ABSTRACT:
In order to reduce corrosion problems which may be experienced with valves having flange couplings between the housing parts, the present invention provides a valve in which the cover 2 has a part 12 which fits into a corresponding part 11 of the housing 1 and is held therein by an annular spring 15. A sealing ring 17 seals the cover to the housing. Preferably the interlocking parts of the housing and the cover are oval in section to prevent relative rotation of the parts. The avoidance of protruding sharp edges facilitates the provision of a uniform overall protective layer of, for example, tar.
REFERENCES:
patent: 1207937 (1916-12-01), Kruse
patent: 1303175 (1919-05-01), Draper
patent: 1615442 (1927-01-01), Davies
patent: 2287992 (1942-06-01), Grove
patent: 3110471 (1963-12-01), Kuhles
patent: 3185178 (1965-05-01), Bonnard
patent: 3744754 (1973-07-01), Demri
B.V. Machinefabriek en IJzergieterij*
Chambers A. Michael
Schwadron Martin P.
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