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:
Dec. 13, 2016

Filed:

Oct. 16, 2013
Applicant:

Mitsui High-tec, Inc., Kitakyushu-shi, Fukuoka, JP;

Inventors:

Satoshi Matsubayashi, Fukuoka, JP;

Yukio Matsunaga, Fukuoka, JP;

Iwao Myojin, Fukuoka, JP;

Assignee:

MITSUI HIGH-TEC, INC., Fukuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/00 (2006.01); B21D 15/00 (2006.01); H02K 15/02 (2006.01); H02K 1/18 (2006.01); H02K 1/28 (2006.01); H02K 15/03 (2006.01); B21D 28/22 (2006.01);
U.S. Cl.
CPC ...
H02K 15/02 (2013.01); H02K 1/18 (2013.01); H02K 1/28 (2013.01); H02K 15/03 (2013.01); B21D 28/22 (2013.01); H02K 2201/09 (2013.01); Y10T 29/49009 (2015.01); Y10T 29/49012 (2015.01); Y10T 29/49908 (2015.01); Y10T 156/10 (2015.01); Y10T 156/1064 (2015.01); Y10T 156/1077 (2015.01);
Abstract

A production method for the laminated iron core includes a first process that segment iron core pieces which respectively have circular arc angles obtained by dividing 360° as an angle of circumference into m are separated from a belt shaped iron core material and mounted on a mount base, the segment iron core pieces are carried to a laminating position of a rotary laminating mechanism by a pusher and the rotary laminating mechanism including the carried segment iron core piece therein is rotated by 360°/m and a second process that the first process is repeated to form an annularly connected iron core piece in which the segment iron core pieces are annularly arranged. The second process is repeated to form a caulked and laminated iron core having a prescribed thickness. During the second process, the segment iron core pieces are caulked and laminated in the rotary laminating mechanism.


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