Threaded joint for pipes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9321982
APP PUB NO 20100301600A1
SERIAL NO

12793867

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In a threaded joint for pipes constituted by a pin and a box, each having a contact surface comprising a threaded portion and an unthreaded metal contact portion, the contact surface of the pin has a solid corrosion protective, preferably transparent coating based on a UV-curable resin and the contact surface of the box has a solid lubricating coating having plastic or viscoplastic rheological behavior which is preferably formed by the hot melt technique from a composition comprising a thermoplastic polymer, a wax, a metal soap, a corrosion inhibitor, a water-insoluble liquid resin, and a solid lubricant.

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Patent Owner(s)

  • NIPPON STEEL & SUMITOMO METAL CORPORATION;VALLOUREC MANNESMANN OIL & GAS FRANCE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Kunio Kobe, JP 73 638
Imai, Ryuichi Kainan, JP 12 125
Iwamoto, Michihiko Wakayama, JP 14 195
Kamimura, Takayuki Takarazuka, JP 13 42
Matsumoto, Keishi Takarazuka, JP 31 364
Raï, Stéphanie Marloing, FR 1 2
Takahashi, Masaru Narashino, JP 247 1731

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