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:
Sep. 11, 2012
Filed:
Feb. 27, 2009
Nestor J. Santi, Buenos Aires, AR;
Gaston Mazzaferro, Buenos Aires, AR;
Alfredo Francisco Quiroga, Buenos Aires, AR;
Nestor J. Santi, Buenos Aires, AR;
Gaston Mazzaferro, Buenos Aires, AR;
Alfredo Francisco Quiroga, Buenos Aires, AR;
Tenaris Connections Limited, Kingstown, VC;
Abstract
A threaded joint includes a first seal ring having a tapered shape in a cross section on an axial plane, this ring having an L-shaped metal reinforcement ring embedded in it. The threaded joint can also include a second seal ring positioned more internal to the first seal ring and located in a housing between the end of a threaded section and the nose of the box. The second seal ring has a first base, a second base axially opposite to the first base, and protruding annular ribs either on the external surface or on an internal surface.