The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2017
Filed:
Jun. 04, 2013
Applicants:
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Vallourec Oil and Gas France, Aulnoye-Aymeries, FR;
Inventors:
Assignees:
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 15/04 (2006.01); F16L 15/00 (2006.01); C10M 107/50 (2006.01); E21B 17/042 (2006.01);
U.S. Cl.
CPC ...
F16L 15/04 (2013.01); C10M 107/50 (2013.01); E21B 17/042 (2013.01); F16L 15/001 (2013.01); F16L 15/004 (2013.01); C10M 2209/084 (2013.01); C10M 2213/0623 (2013.01); C10N 2230/12 (2013.01); C10N 2270/02 (2013.01);
Abstract
A threaded joint for a steel pipe includes a pin and a box each of which is provided with a contact surface that includes an unthreaded metal contact portion having a seal portion and a threaded portion. This threaded joint includes an ultraviolet ray-curable resin coating film that is formed on the contact surface of at least one of the pin and the box; and an acrylic silicone resin coating film that is formed on at least a portion of a surface of the ultraviolet ray-curable resin coating film.