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:
Jun. 06, 2017
Filed:
May. 14, 2014
Applicant:
Nisshin Steel Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
Nisshin Steel Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B21C 1/22 (2006.01); B21D 22/20 (2006.01); B21D 24/06 (2006.01);
U.S. Cl.
CPC ...
B21C 1/22 (2013.01); B21D 22/20 (2013.01); B21D 24/06 (2013.01);
Abstract
A formed material is manufactured by performing forming including at least one drawing-out process and at least one drawing process performed after the drawing-out process. A punchused in the drawing-out process is formed to be wider on a rear end side than on a tip end side. By pushing a raw material metal plate into a pushing holetogether with the punch, ironing is performed on a region of the raw material metal plate corresponding to a flange portion.