Method and system for sealing and handling pipe
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United States of America Patent
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Feb 9, 2016
Grant Date -
Feb 28, 2013
app pub date -
Aug 29, 2012
filing date -
Aug 29, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In one aspect, the present invention relates to a friction-pin unit. The friction-pin unit includes a sleeve and a guide cone formed at a first end of the sleeve. A shaft is disposed coaxially within the sleeve and a plurality of friction pins extend radially outward from the shaft. The plurality of friction pins are adapted for interference-fit engagement with an inner surface of the pipe. A ring seal is circumferentially disposed around an inner surface of the sleeve. The ring seal adapted to circumferentially seal an outer surface of the pipe.
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