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, 2000
Filed:
Dec. 12, 1997
Applicant:
Inventors:
Alfred Johann Haszler, Vallendar, DE;
Alfred Ludwig Heinz, Niederahr, DE;
Otmar Martin Muller, Koblenz, DE;
Assignee:
Corus Aluminium Walzprodukte GmbH, Koblenz, DE;
Primary Examiner:
Int. Cl.
CPC ...
C22F / ; C22F / ; C22F / ;
U.S. Cl.
CPC ...
148697 ; 148690 ; 148694 ; 148695 ;
Abstract
Stress relieving of an age hardenable aluminium alloy product after solution heat treatment and quenching, is carried out by a permanent cold plastic deformation applied by the steps of: