| 简介 |
PROBLEM TO BE SOLVED : To manufacture a rare earth bond magnet equipped with an anti-corrosive film with an enough mechanical strength and thickness.
SOLUTION : Supporting arms 21 and 22 provided so as to be forwarded and retreated toward inside of a molding space S of a die 1 and supporting a rare earth bond magnet 4 inserted and placed in the molding space S under a forwarded condition under the condition that it is floated up from the bottom face Bf of the molding space S by a specified amount, a sub-runner 32 branched from a main runner 31 for supplying a resin material M into the molding space S, and a driving arm 61 actuated by the resin material M entered into the sub-runner 32 and retreating the supporting arms 21 and 22 to the outside of the molding space S from the forwarding condition, are provided.
COPYRIGHT : (C)2008, JPO&INPIT |
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