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:
Aug. 05, 2014
Filed:
Feb. 06, 2007
Applicants:
Michel Baylot, Marseilles, FR;
Jean-yves Goalabre, Marseilles, FR;
François-régis Pionetti, La Baleine, FR;
Inventors:
Michel Baylot, Marseilles, FR;
Jean-Yves Goalabre, Marseilles, FR;
François-Régis Pionetti, La Baleine, FR;
Assignee:
Saipem S.A., Montigny le Bretonneux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coaxial pipe element () includes an outer pipe () and an inner pipe (), and at each of its ends a junction forging (,), each forging having at least an inner first branch () set back (L) from an outer first branch (), in which all of the circular welds between the inner and the outer pipe and the junction forgings are made on the outside of the pipes.