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. 01, 1987
Filed:
Nov. 18, 1985
Applicant:
Inventor:
Wilhelm Scherzer, Berndorf, AT;
Assignee:
Austria Metall Aktiengesellschaft, Braunau am Inn, AT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ; B32B / ;
U.S. Cl.
CPC ...
181290 ; 181294 ; 4283179 ; 4283191 ; 428327 ; 428465 ; 428463 ; 156338 ;
Abstract
A sound-damping composite panel with elastic properties is provided by disposing a prefabricated porous core made from rubber granules or scrap, e.g. rubber tire scrap, between a pair of metal layers or sheets, e.g. of aluminum, and adhesively bonding the metal layers to the core under heat and pressure.