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. 12, 1989
Filed:
Apr. 25, 1988
Applicant:
Inventors:
Friedrich Ostermann, Meckenheim-Merl, DE;
Christian Dumont, Bornheim, DE;
Rainer Balbach, Massenbachhausen, DE;
Gerhard Sollner, St. Augustin, DE;
Assignee:
Vereingte Aluminum-Werke Aktiengesellschaft, Bonn, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428687 ; 72365 ; 148437 ;
Abstract
A deep drawable sheet or strip of metal, preferably aluminum or an aluminum alloy having a surface treated for deep drawing characterized in that the surface has a microroughness, Ra, ranging between about 0.1 and 0.8 .mu.m and a uniform, honeycomb-shaped structure, wherein the honeycomb diameter ranges between about 20 .mu.m and about 200 .mu.m is provided.
Ostermann, Friedrich. (1989). Deep drawable aluminum sheet or strip (U.S. Patent No. 4886713). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4886713
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile