Invention Grant
- Patent Title: Method of manufacturing cylindrical bonded magnet and manufacturing equipment for cylindrical bonded magnet
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Application No.: US13727449Application Date: 2012-12-26
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Publication No.: US09597828B2Publication Date: 2017-03-21
- Inventor: Shinji Yoshima , Muneo Yamamoto , Shuichi Tada , Akihiro Imayama
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan-shi
- Assignee: NICHIA CORPORATION
- Current Assignee: NICHIA CORPORATION
- Current Assignee Address: JP Anan-shi
- Agency: Mori & Ward, LLP
- Priority: JP2011-284850 20111227; JP2012-164306 20120725
- Main IPC: B29C47/00
- IPC: B29C47/00 ; B29C47/20 ; B29C47/92 ; H01F41/02

Abstract:
In a method for manufacturing a cylindrical bonded magnet, a molding space having a cylindrical shape is filled with a bonded magnet composition containing a magnetic material and a resin. The magnetic material disposed in the molding space is magnetically oriented using an orientation magnet. The orientation magnet includes a first permanent magnet and a second permanent magnet. The first and second permanent magnets are disposed such that same poles are opposite each other in the axial direction.
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