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:
May. 27, 2025
Filed:
Jun. 06, 2022
Applicants:
Vallourec Oil and Gas France, Aulnoye-Aymeries, FR;
Nippon Steel Corporation, Tokyo, JP;
Inventors:
Ryunosuke Hayakawa, Tokyo, JP;
Sébastien Villert, Meudon-la-Foret, FR;
Assignees:
VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;
NIPPON STEEL CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/042 (2006.01); F16L 15/00 (2006.01); F16L 15/06 (2006.01);
U.S. Cl.
CPC ...
E21B 17/042 (2013.01); F16L 15/004 (2013.01); F16L 15/06 (2013.01);
Abstract
A connection device includes a first tubular element, a second tubular element, and a coupling sleeve in order to connect the first tubular element and the second tubular element. A first male portion of the first tubular element includes a free end which has an annular sealing lip. The sealing lip covers an outer sealing surface of the second tubular element. The sealing lip has an outer periphery on which an outer thread is provided.