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:
May. 21, 2019

Filed:

Jun. 29, 2016
Applicant:

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

Inventors:

Katsuhiro Sasaki, Kitakyushu, JP;

Takashi Fukumoto, Kitakyushu, JP;

Mei Ogata, Kitakyushu, JP;

Assignee:

MITSUI HIGH-TEC, INC., Yahatanishi-Ku, Kitakyushu-Shi, Fukuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/00 (2006.01); H02K 15/14 (2006.01); H02K 15/16 (2006.01); H02K 15/02 (2006.01);
U.S. Cl.
CPC ...
H02K 15/02 (2013.01); H02K 2201/09 (2013.01);
Abstract

A method of manufacturing a laminated core is provided. The manufacturing method includes the steps of feeding a belt-like sheet of core material to a progressive die, stamping out core pieces having a first shape from the core material, stacking more than one of the core pieces having the first shape to obtain a first laminate block, stamping out core pieces having a second shape from the core material, stacking more than one of the core pieces having the second shape to obtain a second laminate block, discharging a laminate including the first laminate block and the second laminate block from the progressive die, changing the lamination order of the laminate blocks constituting the laminate, and integrating the laminate after the lamination order of the laminate blocks are changed.


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