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United States of America Patent
Stats
-
Nov 21, 1995
Grant Date -
N/A
app pub date -
Sep 6, 1994
filing date -
Sep 7, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A floating gate valve seat has an integral static seal comprising a convex arcuate limb 9 and a projecting tip 25 on the limb arranged to contact a seat pocket surface 12 and place the limb in flexing stress to effect a seal at the tip 25. A set-back stop surface 15 on the valve seat limits the compression of the seal and the axial movement and the valve seat 7.
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