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:
Dec. 23, 2014
Filed:
Apr. 23, 2010
Akira Nagai, Kitakyusyu, JP;
Jin Oda, Kitakyusyu, JP;
Tatsuhiko Mizutani, Toyota, JP;
Yosuke Kurono, Miyoshi, JP;
Akira Nagai, Kitakyusyu, JP;
Jin Oda, Kitakyusyu, JP;
Tatsuhiko Mizutani, Toyota, JP;
Yosuke Kurono, Miyoshi, JP;
Mitsui High-Tec, Inc, Fukuoka, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
Abstract
A method for manufacturing a laminated core is provided that makes positions of boundary parts of laminated blocks and improves an efficiency of a welding operation of the blocks. The above-described object is achieved by the method of manufacturing the laminated coreincluding a process that forms a plurality of blockshaving a plurality of welding partstoof different forms or colors at intervals of prescribed angles in the circumferential direction, a process that laminates the plurality of blocksunder a state that the blocks are rotated at intervals of the prescribed angles and a process that welds the welding partstohaving the different forms or colors of the laminated blocksto form integrally the plurality of blocks