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:
Jul. 01, 1986
Filed:
Dec. 12, 1984
Applicant:
Inventor:
Botho Ziegenbein, Neckarsteinach, DE;
Assignee:
Brown, Boveri & Cie Aktiengesellschaft, Mannheim-Kaefertal, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B65D / ;
U.S. Cl.
CPC ...
428 69 ; 220421 ; 220422 ; 428 74 ; 428215 ; 428283 ;
Abstract
Thermal insulation with a double-walled housing, between the two housing walls of which an evacuated space is provided which contains at least one fiber-like insulating material which retards the heat flow between the two housing walls and is arranged perpendicularly to the temperature gradient. The insulating material is formed by glass fibers which are made of at least two different glass materials, and the modulus of elasticity of which remains large at temperatures above 400.degree. C.