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:
Feb. 11, 1986
Filed:
Jan. 13, 1984
Applicant:
Inventors:
Assignee:
Rohm GmbH Chemische Fabrik, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428119 ; 428188 ; 428213 ; 428215 ; 428332 ; 428412 ; 428520 ; 428522 ;
Abstract
A multilayer web panel with improved impact resistance having two substantially flat exterior walls and webs connecting the walls as one piece. At least one exterior wall has at least two adhesively bonded layers of one or more plastics, wherein the bearing layer of the exterior wall consists of an acrylic glass layer which is about 50% or more of the total thickness of the exterior wall, and the inner side of the acrylic glass layer has a thinner inner layer which is adhesively bonded thereto and is made of a plastic with a higher elongation at rupture than that of the acrylic glass.