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
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Vallourec Oil and Gas France, Aulnoye-Aymeries, FR;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile