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:
Feb. 22, 2022

Filed:

Mar. 05, 2019
Applicant:

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

Inventors:

Shigeru Nagasugi, Fukuoka, JP;

Takashi Fukumoto, Fukuoka, JP;

Jin Oda, Fukuoka, JP;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01); H02K 15/03 (2006.01); B23Q 1/00 (2006.01); H02K 1/16 (2006.01); H02K 1/27 (2022.01); H02K 1/28 (2006.01); H02K 15/12 (2006.01);
U.S. Cl.
CPC ...
H02K 15/03 (2013.01); B23Q 1/0072 (2013.01); H02K 1/16 (2013.01); H02K 1/276 (2013.01); H02K 1/28 (2013.01); H02K 15/024 (2013.01); H02K 15/12 (2013.01); Y10T 29/49012 (2015.01);
Abstract

A manufacturing method of an iron core product includes: heating an iron core body attached to a jig together with the jig; removing the iron core body from the jig when the jig and the iron core body are heated to denote a first temperature; and separately cooling, after removing the iron core body from the jig, the iron core body and the jig such that the iron core body is at a second temperature lower than the first temperature and the jig is at a third temperature lower than the first temperature.


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