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. 23, 2003
Filed:
Sep. 22, 2000
Applicant:
Inventors:
Jean Guesnon, Chatou, FR;
Marcel Le Comte, Bezons, FR;
Assignee:
Institut Francais du Petrole, Rueil-Malmaison cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 3/900 ; F16L 5/500 ;
U.S. Cl.
CPC ...
F16L 3/900 ; F16L 5/500 ;
Abstract
The present invention relates to a riser pipe element comprising a main tube ( ), connection means ( ) at both ends, at least one auxiliary pipe length ( ) arranged substantially parallel to the tube. The auxiliary pipe length is secured at both ends to the connection means of the main tube so that the longitudinal mechanical stresses to which the connection means are subjected are distributed in the tube and in the pipe.