Tubular joint
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United States of America Patent
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Nov 8, 2016
Grant Date -
Oct 31, 2013
app pub date -
Sep 19, 2011
filing date -
Sep 22, 2010
priority date (Note) -
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Abstract
A tubular joint has first and second tubular members, a metallic seal ring between the tubular members and having sealing surfaces designed to mate with corresponding sealing surfaces of the tubular members to form a primary seal, an additional seal provided between the tubular members radially outwardly of the primary seal, a fluid channel having an outlet opening in an end surface of the first tubular member radially outwardly of the primary seal and radially inwardly of the additional seal, and annular seal members interposed between the seal ring and the tubular members radially outwardly of the primary seal and radially inwardly of the outlet opening.
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