Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1994-04-28
1995-04-18
Jones, David
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
72370, 72462, 72467, 761071, B21D 2200
Patent
active
054068258
ABSTRACT:
A forging die has an inner cylinder of a hard material which is composed of 8-40 vol. % of a metal phase including Ni and Mo as major components and the remaining amount of a ceramic phase including Mo.sub.2 NiB.sub.2 and/or (Mo, W).sub.2 NiB.sub.2, and an outer cylinder of metal, wherein the outer periphery of the inner cylinder is in a state of interference fit to the outer cylinder.
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Hamazaki Keiichi
Horie Noritoshi
Kanda Koichi
Kori Takehiko
Mitamura Kazuhiro
Asahi Glass Company Ltd.
Jones David
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