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:
Apr. 30, 2002
Filed:
Aug. 20, 2001
Jacques Dhellemmes, Versailles, FR;
Gaz Transport et Technigaz, Trappes, FR;
Abstract
Watertight and thermally insulating tank intended for the transportation of liquefied gases by sea, said tank being built into a bearing structure ( ) comprising longitudinally adjacent faces ( ) forming a dihedron ( ); said tank comprising two successive watertightness barriers, one of them a primary watertightness barrier in contact with the product contained in the tank and the other a secondary watertightness barrier ( ) arranged between said primary watertightness barrier and the bearing structure, a primary thermally insulating barrier ( ) being arranged between these two watertightness barriers and a secondary thermally insulating barrier ( ) being arranged between said secondary watertightness barrier and the bearing structure; said primary watertightness barrier comprising substantially flat running metal strakes ( ) and, on each side of the longitudinal solid angle of intersection (A) of at least one of said dihedra, a longitudinal row of corner strakes ( ) which are corrugated so that they can deform transversely.