Wound Core

Abstract: This wound core comprises a wound core body obtained by laminating a plurality of grain-oriented electrical steel sheets having polygonal ring shapes in a side view. The grain-oriented electrical steel sheets have flat sections and bent sections that are consecutively and alternately provided in the longitudinal direction. The grain-oriented electrical steel sheets have a grain size Dpx (mm) of FL/4 or more in at least one of the bent sections. FL denotes the average length (mm) of the flat sections.

Patent Information

Application #

Filing Date

14 April 2023

Publication Number

47/2023

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

NIPPON STEEL CORPORATION

6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. KAWAMURA Yusuke

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

2. MIZUMURA Takahito

c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

#	Name	Date
1	202317027592.pdf	2023-04-14
2	202317027592-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [14-04-2023(online)].pdf	2023-04-14
3	202317027592-STATEMENT OF UNDERTAKING (FORM 3) [14-04-2023(online)].pdf	2023-04-14
4	202317027592-PROOF OF RIGHT [14-04-2023(online)].pdf	2023-04-14
5	202317027592-PRIORITY DOCUMENTS [14-04-2023(online)].pdf	2023-04-14
6	202317027592-POWER OF AUTHORITY [14-04-2023(online)].pdf	2023-04-14
7	202317027592-FORM 1 [14-04-2023(online)].pdf	2023-04-14
8	202317027592-DRAWINGS [14-04-2023(online)].pdf	2023-04-14
9	202317027592-DECLARATION OF INVENTORSHIP (FORM 5) [14-04-2023(online)].pdf	2023-04-14
10	202317027592-COMPLETE SPECIFICATION [14-04-2023(online)].pdf	2023-04-14
11	202317027592-FORM 3 [01-09-2023(online)].pdf	2023-09-01
12	202317027592-FORM 18 [25-09-2024(online)].pdf	2024-09-25