Title:
ANNULAR CORE PIECE AND ANNULAR CORE
Document Type and Number:
Japanese Patent JP2018129970
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an annular core piece which can be accommodated inside a contour of an outer circumference of the annular core piece and has a small number of recesses formed on the outer circumference, and an annular core formed by laminating the annular core pieces.SOLUTION: In an annular core piece 1 including a plurality of recesses 5 opening to an outer peripheral portion, a recess 5 has a reduced width portion 11 and a raised portion 8, a lateral width W of the reduced width portion 11 is made narrower than a lateral width of the other portion further on a bottom surface side of the recessed portion 5 than the reduced width portion 11, and in the raised portion 8, a part of the bottom surface of the recess 5 rises and protrudes toward an opening end 6 of the recess 5.SELECTED DRAWING: Figure 2
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Inventors:
ARAKAWA KOICHI
HASUO YUSUKE
HASUO YUSUKE
Application Number:
JP2017022766A
Publication Date:
August 16, 2018
Filing Date:
February 10, 2017
Export Citation:
Assignee:
MITSUI HIGH TEC
International Classes:
H02K1/18
Domestic Patent References:
| JPH0690550A | 1994-03-29 | |||
| JP2013123345A | 2013-06-20 | |||
| JPH09117111A | 1997-05-02 | |||
| JPH07231588A | 1995-08-29 | |||
| JP2008141904A | 2008-06-19 |
Attorney, Agent or Firm:
Kimura Mitsuru
Koichi Yamaguchi
Takanori Suetomi
Koichi Yamaguchi
Takanori Suetomi