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:
Nov. 22, 2005
Filed:
Mar. 17, 2003
Alain Coutarel, Mont-Saint-Aignan, FR;
Fabrice Bectarte, Rouen, FR;
Alain Coutarel, Mont-Saint-Aignan, FR;
Fabrice Bectarte, Rouen, FR;
Technip France, , FR;
Abstract
For limiting the lateral buckling of tensile armor plies of an underwater flexible pipe, that can be used in the offshore oil industry, the plies include from the outside inward, at least one external polymer sheath, a first outward retention layer of a defined thickness Kwound around an upper outer tensile armor ply, at least one second inward retention layer of a defined stiffness Kwound around each of at least one lower inner tensile armor ply. Stiffness Kis preferably less than stiffness K, i.e., the retention layers outward are less stiff. There is then an internal polymer sheath.