High pressure anti-extrusion diaphragm
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United States of America Patent
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Jul 27, 2021
Grant Date -
Aug 15, 2019
app pub date -
Feb 12, 2019
filing date -
Feb 13, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A diaphragm seal with a unique profile at its outer diameter and a high-pressure seal used to at least partially envelope the outer diameter of the diaphragm seal is described. The high-pressure seal may envelope an outer diameter side of the diaphragm seal such that the high-pressure seal creates a barrier between the diaphragm seal and the interface between an upper pump housing portion and a lower pump housing portion in which the diaphragm seal can be installed. The high-pressure seal may provide a “gripping” force on the diaphragm seal so as to inhibit or prevent extrusion of the diaphragm seal in either a radially inner or radially outer direction when installed in a pump housing.
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