Metal mold for manufacturing amorphous alloy and molded product of amorphous alloy
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United States of America Patent
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Sep 24, 2002
Grant Date -
Dec 20, 2001
app pub date -
Jun 12, 2001
filing date -
Dec 10, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A metal mold for manufacturing amorphous alloy. A metal mold is composed of a lower mold having a portion for fusing metal material and a cavity portion, and an upper mold working with the lower mold which presses molten metal in the portion for fusing metal material and pours the molten metal into the cavity portion to mold. And, surface roughness of a part of or all of an inner surface of the metal mold is arranged to be more than 12S in JIS indication.
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