Title:
LAMINATED CORE
Document Type and Number:
WIPO Patent Application WO/2023/195465
Kind Code:
A1
Abstract:
This laminated core comprises a plurality of electrical steel sheets laminated to each other, and adhesive portions provided between electrical steel sheets adjacent to each other in the lamination direction and adhering said electrical steel sheets to each other, wherein the plurality of electrical steel sheets each comprise a base material steel sheet and insulating layers formed on both faces of the base material steel sheet, and the hardness of the adhesive forming the adhesive portions is 20 to 150 MPa.
Inventors:
FUKUCHI MINAKO (JP)
TAKEDA KAZUTOSHI (JP)
TAKEDA KAZUTOSHI (JP)
Application Number:
PCT/JP2023/013935
Publication Date:
October 12, 2023
Filing Date:
April 04, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
H01F27/245; C21D8/12; C22C38/00; C22C38/60; C23C22/00; H01F1/147; H02K1/02
Domestic Patent References:
| WO2020129941A1 | 2020-06-25 | |||
| WO2021256534A1 | 2021-12-23 |
Foreign References:
| JP2022513168A | 2022-02-07 | |||
| JP2007177260A | 2007-07-12 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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