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:
May. 10, 1977
Filed:
Jun. 17, 1976
Applicant:
Inventor:
Michel Kotcharian, Paris, FR;
Assignee:
Technigaz, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B / ; E04C / ;
U.S. Cl.
CPC ...
52410 ; 220 / ; 220 15 ;
Abstract
A fluid-tight heat insulated tank wall structure comprising a rigid outer wall, an inner membrane-like impervious primary barrier wall and an intermediate heat insulating material carrying said inner wall and consisting of: an inner end layer of balsa wood or polyvinyl chloride, one composite laminated layer of sandwich panels composed of two spaced plywood plated and filling material interposed therebetween; and an outer end layer of cellular material.