Method of applying a high pressure closure
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United States of America Patent
Stats
-
Jan 6, 2009
Grant Date -
Jan 3, 2008
app pub date -
Jun 6, 2007
filing date -
May 5, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A closure includes a hub having a bore in fluid communication with the port of a vessel. A door is removably positioned within the bore of the hub, and a locking ring is threaded with the hub thread for moving the door to a closed and circumferentially sealed position against the shoulder. At least one rotatable actuator element, such as a plurality of gears, engages the locking ring and is rotated to rotate the locking ring. A breaker bar or impact wrench could be used to rotatable drive the actuator elements.
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