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.

Date of Patent:
Oct. 25, 2022

Filed:

Jun. 07, 2018
Applicants:

Nippon Steel Corporation, Tokyo, JP;

Toyoda Iron Works Co., Ltd., Toyota, JP;

Inventors:

Toshiya Suzuki, Tokyo, JP;

Yoshiaki Nakazawa, Tokyo, JP;

Makoto Murai, Toyota, JP;

Yasunobu Ishino, Okazaki, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 22/20 (2006.01); B21D 22/26 (2006.01); B21D 24/00 (2006.01); B21D 24/04 (2006.01); B30B 13/00 (2006.01);
U.S. Cl.
CPC ...
B21D 22/206 (2013.01); B21D 22/26 (2013.01); B21D 24/005 (2013.01); B21D 24/04 (2013.01); B30B 13/00 (2013.01);
Abstract

Provided is a press-formed article manufacturing method including pressing a blank with the first pressing apparatus to form a first intermediate formed article having a pair of bent portions bent to one side in the plate thickness direction and having a spacing between the bent portions narrower than the width of the top plate and equal to or more than the width of the top portion of the convex portion, and moving the second die relative to the second punch side punch with respect to the die pad and the second punch and forming a second intermediate formed article in a state where a portion between the bent portions is sandwiched between the die pad and the convex portion, with one side of the first intermediate formed article in the plate thickness direction as the convex portion side of the second pressing apparatus.


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