TUBULAR CONNECTION WITH SELF-LOCKING THREAD FORM USED IN THE OIL INDUSTRY

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United States of America Patent

APP PUB NO 20160186899A1
SERIAL NO

14587899

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A threaded connection has at least one male end threaded zone, and one female end threaded zone. A tooth width of the male threaded zone, CWTp, increases from CWTpmin to CWTpmax for the tooth closest to, and furthest from the terminal surface of the male end. A tooth width CWTb of the female threaded zone decreases from CWTbmax to CWTbmin for the tooth furthest from, and closest to, the terminal surface of the female end. At least one portion of the female threaded zone and at least one portion of the male threaded zone cooperate in accordance with self-locking make-up, with

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONTOKYO JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
BESSE, Jean-Guillaume Houston, US 3 30

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