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:
Jul. 12, 2005
Filed:
Dec. 09, 2002
Applicant:
Hideyuki Miyahara, Nagano, JP;
Inventor:
Hideyuki Miyahara, Nagano, JP;
Assignee:
Nakamura Seisakusho Kabushikigaisha, Nagano-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C037/02 ;
U.S. Cl.
CPC ...
Abstract
In a method of forming a protruded shaft on a metal base for an electronic memory device, the metal base is pressed down with a pressing tool from upper face side of the metal base placed on a die. The die is provided with a hole having a predetermined inner diameter and the wall material of the metal base is moved into the hole of the die to form a protruded shaft having a hollow part inside and the tip end closed.