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:
Jul. 05, 2016
Filed:
Jul. 15, 2008
Applicants:
Nestor J. Santi, Buenos Aires, AR;
Gastón Mazzaferro, Buenos Aires, AR;
Inventors:
Nestor J. Santi, Buenos Aires, AR;
Gastón Mazzaferro, Buenos Aires, AR;
Assignee:
Tenaris Connections Limited, Kingstown, Saint Vincent/Grenadines, unknown;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 15/00 (2006.01); E21B 17/042 (2006.01);
U.S. Cl.
CPC ...
F16L 15/003 (2013.01); E21B 17/042 (2013.01);
Abstract
A threaded joint comprises a seal ring positioned between a pin and a box, and located in a groove between the end of a threaded section and the nose of the box. The seal ring has a first base, a second base axially opposite to the first base, at least two protruding annular ribs on the external surface, and an internal surface comprising, in an unloaded position, two frustoconical annular surfaces tapering towards the center of the seal ring and joined by a fillet.