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:
May. 01, 1984
Filed:
Nov. 30, 1981
Applicant:
Inventors:
Kenji Kawaguchi, Amagasaki, JP;
Osamu Hamada, Amagasaki, JP;
Seigo Hiramoto, Amagasaki, JP;
Yukio Kato, Nakatsugawa, JP;
Kozo Yamada, Nakatsugawa, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ; B21K / ;
U.S. Cl.
CPC ...
219 / ; 7610 / ; 219 / ; 2191 / ; 2191 / ; 2191 / ;
Abstract
A process for preparing a press die comprises forming a metal overlaid on a base metal which is different in kind from the overlaid metal, and cutting the base metal together with overlaid metal into a predetermined shape.