Methods and connections for coupled pipe
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United States of America Patent
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Oct 21, 2008
Grant Date -
Jul 13, 2006
app pub date -
Jan 11, 2005
filing date -
Jan 11, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A threaded and coupled connector with tapered threads having equivalent heights (same height on pin and box threads), negative load flanks, biased tapered thread forms with a torque shoulder formed by pin noses that abut at a central point within a coupling constructed from standard coupling stock. The connection design meets the internal/external pressure performance requirements of industry standards with capabilities equal to or exceeding those of 'premium' connections, with a coupling constructed from thin walled coupling stock.
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