发明名称 |
Method for molding of powders. |
摘要 |
<p>@ The invention is concerned with the method of compression molding a metallic or ceramic powders. The method includes the step of maintaining a negative pressure within a first mold of noncompactable powders for intimately contacting on its inner surface a pouch-like member of thin-walled resilient material for producing a second mold, and the step of compactly charging starting powders into the second mold and exhausting air from and sealing the second mold, taking out a pre-molded body of the metallic or ceramic powders together with the second mold and the step of processing the pre-molded body by a cold or hot isostatic press.</p> |
申请公布号 |
EP0203789(A1) |
申请公布日期 |
1986.12.03 |
申请号 |
EP19860303920 |
申请日期 |
1986.05.23 |
申请人 |
NIPPON KOKAN KABUSHIKI KAISHA |
发明人 |
MIYASHITA, TSUNEO;NISHIO, HIROAKI;YABUTA, KAZUYA;TAKAGI, YOSHIO |
分类号 |
B30B11/00;B22F3/04;B22F3/12;B28B7/34;B30B5/02;(IPC1-7):B22F3/04 |
主分类号 |
B30B11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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