SINTERED MAGNET PRODUCTION MOLD, AND SINTERED MAGNET PRODUCTION METHOD USING THE SAME
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United States of America Patent
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Apr 14, 2016
app pub date -
Mar 18, 2014
filing date -
Apr 24, 2013
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Abstract
A sintered magnet production mold which can improve the uniformity in the filling density of the alloy powder. The main body has a main cavity formed inwards from a main-body surface and a side cavity provided on the outside of the opening of the upper cavity on the main-body surface at each of the two ends of the opening in the axial direction of the aforementioned partial cylinder, the side cavity formed inwards from the main-body surface and shaped like a partial cylinder having an axis parallel to the axis of the partial cylinder of the lower cavity. The cover has a base surface corresponding to the main-body surface and a convex rib bulging from the base surface, the convex rib having a shape corresponding to the two side cavities and a virtual cavity shaped like a partial cylinder connecting the two side cavities.
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