Valves with lenticular or spherical closing member
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United States of America Patent
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-
Aug 23, 1983
Grant Date -
N/A
app pub date -
Dec 15, 1980
filing date -
Jan 3, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to an improvement to valves with lenticular or spherical closing member mounted for pivoting in a valve body with interposition of a circular tight seal. Downstream of the closing member, the valve body is provided with a bore inside which is removably mounted an annular member against which rests the tight seal, and which has a spherical part adopting the corresponding shape of the closing member, the said annular member comprising vent-holes. The invention finds a useful application in the production of valves.
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