High pressure pipe coupling
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United States of America Patent
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Jan 5, 1993
Issued Date -
N/A
app pub date -
Mar 15, 1991
filing date -
Nov 11, 1989
priority date (Note) -
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Abstract
A coupling device for metal tubular members subjected to pressure where abutting coupling members define a V shaped groove. A metal annular V shaped sealing member constructed from resilient metal is disposed in the V shaped groove and arranged so that the sealing member has sealing edge portions which can expand longitudinally and radially to maintain a seal if the coupling members tend to separate or contract in response to pressure.
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