Flexible extrusion resistant ring seal assembly
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United States of America Patent
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May 21, 2013
Issued Date -
N/A
app pub date -
Jun 23, 2010
filing date -
Jun 24, 2009
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Abstract
An extrusion resistant ring that is radially expandable and contactable to accommodate the relative movement of two joined bodies relative to each other. The extrusion resistant ring in combination with an elastomeric diaphragm provides a high pressure seal for down-hole oil drilling apparatus.
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