CLOSING MEMBER OF A GAS VALVE FOR VERY HIGH PRESSURE
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United States of America Patent
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Issued Date -
Mar 30, 2023
app pub date -
Feb 25, 2021
filing date -
Feb 25, 2021
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Abstract
A valve closing member for cooperating with a valve seat, comprising: a body a front circular face forming a central protrusion along a longitudinal axis of the body; a seal forming a ring fitted on the front circular face and around the central protrusion; and a retainer forming a ring surrounding the seal and attached to the body for retaining the seal on the body; wherein the seal shows a radially inner surface contacting a radially outer surface of the central protrusion, the radially inner surface and radially outer surface being both cylindrical, the radially outer surface showing at least one circular groove into which the seal is radially pressed by the retainer.
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