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:
May. 09, 2017
Filed:
Jun. 17, 2015
Applicants:
Mitsui High-tec , Inc., Fukuoka, JP;
Panasonic Corporation, Osaka, JP;
Inventors:
Akihiro Hashimoto, Fukuoka, JP;
Tadashi Iida, Fukuoka, JP;
Kiyomi Kawamura, Osaka, JP;
Koichi Mitamura, Osaka, JP;
Assignees:
MITSUI HIGH-TEC, INC., Fukuoka, JP;
PANASONIC CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01); B21D 28/10 (2006.01); H02K 15/03 (2006.01); B65H 35/00 (2006.01); B21D 28/26 (2006.01); B21D 28/24 (2006.01); B21D 28/22 (2006.01);
U.S. Cl.
CPC ...
H02K 15/03 (2013.01); B21D 28/10 (2013.01); B21D 28/22 (2013.01); B21D 28/246 (2013.01); B21D 28/26 (2013.01); B65H 35/0006 (2013.01); B65H 35/008 (2013.01); H02K 15/02 (2013.01); H02K 15/024 (2013.01); Y10T 156/1002 (2015.01); Y10T 156/1056 (2015.01); Y10T 156/1075 (2015.01); Y10T 156/13 (2015.01); Y10T 156/1304 (2015.01);
Abstract
In a method for manufacturing a laminated iron core from a thin sheet, the method includes coining the thin sheet from below to form a thinned bridge portion on an outer peripheral portion of an iron core piece, blanking the iron core piece from the thin sheet from above or below after forming the bridge portion, and laminating the iron core piece on another iron core piece to manufacture the laminated iron core.