Powder molding apparatus and manufacture of rare earth sintered magnet using the apparatus

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United States of America

PATENT NO 10607773
APP PUB NO 20160260542A1
SERIAL NO

15058395

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Abstract

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When a powder material (5) is molded by introducing the material into a cavity (11) between a lower punch (2) and a die (1), compression molding the material between upper and lower punches (3 and 2) into a compact (51) of desired shape, and moving up the lower punch (2) to eject the compact (51), a lubricant is applied to the interior surface of the die (1) by fitting a pad (24) around the lower punch (2) and impregnating the pad with the lubricant. Since the lubricant is applied on every molding operation, molding operation can be continuously carried out.

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Patent Owner(s)

  • SHIN-ETSU CHEMICAL CO. LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hashimoto, Takahiro Echizen, JP 89 957
Kohno, Osamu Echizen, JP 15 211
Nakamura, Ryuji Echizen, JP 20 145
Umebayashi, Yoshihiro Echizen, JP 6 2

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