Patent ID: 11862376
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The method of manufacturing the core according to claim 9, wherein
at a position outside the first concave face for forming the first round surface at the first corner portion, the third molding face includes a first flat face that serves to form the first shoulder,
at a position outside the fourth concave face for forming the first round surface at the fourth corner portion, the third molding face also includes a fourth flat face that serves to form the fourth shoulder,
at a position outside the second concave face for forming the first round surface at the second corner portion, the fourth molding face includes a second flat face that serves to form the second shoulder, and
at a position outside the third concave face for forming the first round surface at the third corner portion, the fourth molding face also includes a third flat face that serves to form the third shoulder.