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. 10, 2012
Filed:
Aug. 21, 2008
Applicant:
Nestor J. Santi, Buenos Aires, AR;
Inventor:
Nestor J. Santi, Buenos Aires, AR;
Assignee:
Tenaris Connections AG, Kingstown, VC;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A threaded joint has an interference between thread roots of the pin and thread crests of the box of between 1% and 5% of the average thickness of the connection, and a root to load flank radius R in the range of 0.2 mm and 0.4 mm. In other embodiments the interference can be between thread roots of the box and thread crests of the pin. The threaded joint can also have a surface treatment that includes shot peening applied to the beginning and end of the threaded zone of the pin.