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:
Oct. 11, 2011
Filed:
Jul. 30, 2008
Applicants:
Koichi Sasaki, Hiroshima-ken, JP;
Nobuyuki Shiozaki, Hiroshima-ken, JP;
Inventors:
Koichi Sasaki, Hiroshima-ken, JP;
Nobuyuki Shiozaki, Hiroshima-ken, JP;
Assignee:
Hirotec Corporation, Hiroshima-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 11/20 (2006.01); B21D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a press die set for forming a flange that bends an edge of a part, such as a door panel and a hood panel, at a right angle in a press-forming direction and bends an edge adjacent to the edge at a negative angle, and a flange forming method. The press die set for forming a flange according to the present invention can accomplish the flange formation described above in one step, has a simple structure, and is easy to maintain.