Made-up flange locking cap
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United States of America Patent
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Aug 20, 2013
Grant Date -
Jan 12, 2012
app pub date -
Dec 21, 2010
filing date -
Jul 9, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A cap is lowered onto and secured to a subsea member with an external flange, effecting a seal between the external flange and cap. The cap includes a tubular outer body defining a cavity, and a tubular inner body defining a bore, wherein the lower end of the inner body resides within the cavity. The cap also includes a lower engaging member coupled to the outer body that is radially movable between an inward state and an outward state and configured to alternately engage and disengage at least one of a backside of the external flange. Finally, the cap includes an upper engaging member coupled to the outer body and being radially movable independently of the lower engaging member between an inward state and an outward state and configured to engage and disengage the inner body.
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