Method of manufacturing core product, and core product

    公开(公告)号:US11374474B2

    公开(公告)日:2022-06-28

    申请号:US17016376

    申请日:2020-09-10

    摘要: A method of manufacturing a core product includes injecting molten resin into a resin injection portion provided in a core body so as to extend in a longitudinal direction of the core body, and forming a core product by welding the core body. A buffer region is set between the resin injection portion and a periphery of the core body in a lateral direction of the core body. The core product is formed by welding the core body so that a weld bead formed on the core body is prohibited from reaching the buffer region, and so that the weld bead is spaced apart from the resin injection portion in the lateral direction of the core body.

    Laminated core and method for manufacturing the same

    公开(公告)号:US10686339B2

    公开(公告)日:2020-06-16

    申请号:US15640188

    申请日:2017-06-30

    发明人: Go Kato Yasutaka Oba

    IPC分类号: H02K1/06 H02K15/02

    摘要: A laminated core includes: a laminate in which 1st to Nth (N is a natural number of two or more) core members are laminated in this order; and a distinguishing mark formed with a marking that is placed on a peripheral surface of the laminate so as to be continuously positioned over all of the 1st to Nth core members.