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:
Jun. 17, 2025
Filed:
May. 19, 2022
Vallourec Oil and Gas France, Aulnoye-Aymeries, FR;
Nippon Steel Corporation, Tokyo, JP;
VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
A threaded connection comprising: a first tubular component () having a first male threaded portion () and a second male threaded portion (), a root width in the first male threaded portion () decreasing in a direction oriented a first pipe body (), the root width being constant in the second male threaded portion (), the second tubular component () comprising a female threaded zone () having a first female threaded portion () with a root width decreasing in a direction oriented towards a second pipe body (), the connection being partially made up in a self-locking arrangement in order to provide a locking region () and a non-locking region (), a female distal thread () of the locking region () has a width such that FDTW/TH>=125%, in which FDTW is a tooth width of the female distal thread () of the locking region and TH is the tooth height of said female distal thread ().