Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Reexamination Certificate
2011-02-08
2011-02-08
Mayo-Pinnock, Tara (Department: 3671)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
C405S195100, C277S607000, C277S611000, C277S616000
Reexamination Certificate
active
07883293
ABSTRACT:
Connector assembly adapted to connect riser member of riser device to another riser member for connecting an oil well to an oil rig includes a male part having a male axial portion and a female part having a female axial portion opposite to said male axial radial portion, which together form a seat. A sealing ring having a radially extending annular stem provided with first and second axial seal support portions, and a radial annular portion interconnecting said first and second seal support surfaces being axially separated. Said radially extending annular stem has a first axial seal support portion adapted at atmospheric pressure to abut said male axial portion and a second axial seal support portion adapted during use to abut said female axial portion.
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Drinker Biddle & Reath LLP
Mayo-Pinnock Tara
Sandvik Intellectual Property AB
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