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:
Apr. 14, 2025
Filed:
Dec. 21, 2020
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Assignee:
JFE STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 28/26 (2005.12); B21D 22/20 (2005.12); B21D 22/26 (2005.12); B21D 24/16 (2005.12); B21D 28/02 (2005.12); B21D 28/10 (2005.12); B21D 28/14 (2005.12); B21D 31/00 (2005.12); B21D 37/01 (2005.12); B21D 37/02 (2005.12); B21D 37/08 (2005.12); B21D 43/28 (2005.12); B23D 35/00 (2005.12);
U.S. Cl.
CPC ...
B21D 28/26 (2012.12);
Abstract
A shearing die for preventing damage of a die tool in shearing of a super-high-tension steel sheet and a press-forming method using the same. The shearing die for shearing a metal sheet in a direction intersecting a first-sheared edge of the metal sheet in press-working including a plurality of shearing processes to produce a formed article from the metal sheet by press-forming, in which the shearing die comprises a fitting part that can detach a shearing blade in the vicinity of a region coming in contact with an end of the first-sheared edge.