Valve with crenellated seat
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United States of America Patent
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Sep 29, 1992
Grant Date -
N/A
app pub date -
Sep 13, 1991
filing date -
Sep 13, 1990
priority date (Note) -
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Abstract
A valve comprises a valve obturator cooperating with a valve seat provided with crenellations disposed around the part of the valve seat on which the valve obturator rests. Each crenellation comprises on its surface facing the valve obturator a vertical central partition between two symmetrical openings.
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