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:
Apr. 18, 1995
Filed:
Apr. 14, 1993
Applicant:
Inventor:
Horst Gravemann, Osnabruck, DE;
Assignee:
KM Kabelmetal A.G., Osnabruck, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148685 ; 148686 ; 148411 ;
Abstract
A tubular blank made of an age-hardening copper alloy is annealed and quenched; whereupon a mandrel of the final shape and size of the interior cavity of the mold to be made is inserted; whereupon the blank is forced onto the mandrel primarily by drawing, but also rolling, forging, electrodynamically or hydrostatically shaping, or a combination thereof is considered.