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:
Nov. 13, 2018
Filed:
Dec. 23, 2015
Mitsui High-tec, Inc., Kitakyushu-shi, Fukuoka, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Yukio Matsunaga, Kitakyushu, JP;
Hisatomo Ishimatsu, Kitakyushu, JP;
Yusuke Hasuo, Kitakyushu, JP;
Masahiro Izumi, Kitakyushu, JP;
Manabu Yazaki, Wako, JP;
MITSUI HIGH-TEC, INC., Minato-ku, Tokyo, JP;
Abstract
A method for manufacturing a laminate used for manufacturing a rotor is provided. The method includes: (a) stamping out a plurality of workpieces from a metal sheet wherein each of the workpieces has a temporarily-interlocking portion; and (b) obtaining a laminate including the workpieces integrated together by the temporarily-interlocking portion, wherein each of the workpieces further has a shaft hole, a magnet insertion hole, and a weight-reducing hole formed between the shaft hole and the magnet insertion hole, and the temporarily-interlocking portion is provided to the weight-reducing hole.