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:
Nov. 30, 2021

Filed:

Jan. 03, 2020
Applicant:

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

Inventors:

Hirotoshi Mabu, Fukuoka, JP;

Hidemi Sasaki, Fukuoka, JP;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/00 (2006.01); H02K 15/03 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H02K 15/03 (2013.01); H01F 41/0233 (2013.01); Y10T 29/49009 (2015.01); Y10T 29/53143 (2015.01);
Abstract

A method for manufacturing a laminated iron core including placing a laminated iron core body on a conveyance jig. Downwardly moving the conveyance jig by a lift and downwardly moving an upper die with respect to a lower die of the die unit. The lift being mounted so as to be unaffixed to both the die unit and the conveyance jig. Holding the laminated iron core body placed on the conveyance jig from both sides in a lamination direction of the plurality of iron core pieces between the lower die and the upper die, the lower die coming into contact with the conveyance jig. Injecting a resin into a through hole formed through the laminated iron core body held by the die unit in the lamination direction of the plurality of iron core pieces from the lower die through the conveyance jig or from the upper die.


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