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:
Mar. 01, 2005
Filed:
Sep. 25, 2001
Applicants:
Kunio Miyauchi, Tokyo, JP;
Takayuki Aoki, Gunma-ken, JP;
Ichiro Takahashi, Saitama, JP;
Inventors:
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D024/00 ;
U.S. Cl.
CPC ...
Abstract
In press forming including ironing, an elastically deformable material is used for a part of ironing die contacting to the work material under a higher pressure than designed, for taking the formed product out from the die easily in a case that the ironing die and the formed product are very close in size to each other, and thereby improving the efficiency of production.