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:
Jun. 17, 1980
Filed:
Jun. 15, 1978
Applicant:
Inventor:
Norman J Wagner, Pittsburgh, PA (US);
Assignee:
Calgon Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156276 ; 2945 / ; 53432 ; 156285 ; 220422 ;
Abstract
Insulation members having spaced apart walls, and at least a partial vacuum in the chamber defined by the walls are filled with activated carbon. The filling is accomplished under vacuum conditions, and activated carbon, degassed and having a density of greater than 0.3 grams/cm.sup.3 is employed to at least partially fill the chamber.