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:
Dec. 11, 2018
Filed:
Nov. 16, 2017
Applicant:
Toyota Boshoku Kabushiki Kaisha, Aichi-ken, JP;
Inventor:
Kazuyuki Hirata, Toyota, JP;
Assignee:
TOYOTA BOSHOKU KABUSHIKI KAISHA, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 13/02 (2006.01); H01M 8/026 (2016.01); B21K 23/00 (2006.01); H01M 8/025 (2016.01); B21D 11/08 (2006.01); B21D 24/02 (2006.01); B21D 28/26 (2006.01); H01M 8/0208 (2016.01); H01M 8/0254 (2016.01);
U.S. Cl.
CPC ...
B21D 13/02 (2013.01); B21D 11/085 (2013.01); B21D 24/02 (2013.01); B21D 28/26 (2013.01); B21K 23/00 (2013.01); H01M 8/025 (2013.01); H01M 8/026 (2013.01); H01M 8/0208 (2013.01); H01M 8/0254 (2013.01);
Abstract
A fixed die and a punch, which moves toward and away from the die, are provided. A series of bulges is formed in sheet metal between depressions and projections of the die and projections and depressions of the punch. In forming, the punch moves toward the die such that the sheet metal is pressed between first convex sections and second and third convex sections of the die and the punch, and subsequently the sheet metal is pressed between fourth convex sections.