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:
Dec. 27, 2005
Filed:
Dec. 30, 1999
Michel Baylot, Marseille, FR;
Raymond Hallot, La Ciotat, FR;
Regis Pionetti, Paris, FR;
Xavier Rocher, Chatou, FR;
Michel Baylot, Marseille, FR;
Raymond Hallot, La Ciotat, FR;
Regis Pionetti, Paris, FR;
Xavier Rocher, Chatou, FR;
Bouygues Offshore, Saint Quentin en Yvelines, FR;
Abstract
The present invention relates to a device for the heat insulation of at least one underwater pipe () intended to be laid on the sea bed at great depth, comprising an insulating coating surrounding the latter and a protective envelope (), characterized in that said insulating coating comprises a virtually incompressible liquid/solid phase change material () with a melting temperature Thigher than that Tof the medium surrounding the pipe in operation and less than that Tof the effluents circulating in the pipe, and said material () preferably being impregnated in an absorbent matrix () surrounding the pipe (), preferably nearest its outer surface, which protective envelope () is resistant and deformable and ensures a containment against and about said insulating coating.