The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2020
Filed:
May. 19, 2016
Nidec Corporation, Kyoto, JP;
Takeshi Honda, Kyoto, JP;
Yosuke Yamada, Kyoto, JP;
Yasuaki Nakahara, Kyoto, JP;
Hisashi Fujihara, Kyoto, JP;
Takayuki Migita, Kyoto, JP;
Tsuyoshi Nakamura, Kyoto, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A manufacturing method comprising: a process Sof forming a plate member which has a substantially annular scrap portion having a center hole through an axial direction and a core plate portion defining a portion of the core pieces arranged continuously with the scrap portion on a radially inner side of the scrap portion; a process Sof forming a laminated body, which has the core pieces, by laminating the plate member; a process Sof providing the laminated body and the shaft in a mold; a process Sof forming a molding body by inserting a molten resin or a nonmagnetic material in the mold and forming the filling portion of which at least a portion is located between the core pieces; and a process Sof separating the scrap portion and the core plate portion.