发明名称 Method of manufacturing a shell mold.
摘要 <p>The present application discloses a method of manufacturing a shell mold in which, with the peripheral portion of an elastic member in the sheet or film form adsorbed to a mold, a negative pressure is provided in a space between the mold and the elastic member, the elastic member is deformed by the outside pressure, molding material put on the elastic member is unflowingly compressed into a shell shape along the forming surface of the mold by the mold and the elastic member and is then solidified to produce a shell according to a suitable process in a cold or warm atmosphere, and the shell is taken out from the mold.</p>
申请公布号 EP0073294(A2) 申请公布日期 1983.03.09
申请号 EP19820104085 申请日期 1982.05.11
申请人 NIPPON KOKAN PIPE FITTING MFG. CO., LTD. 发明人 NAGANO, SHIGEFUMI
分类号 B22C9/02;B22C13/08;B22C15/08;B28B3/00;B28B7/34;(IPC1-7):22C15/22;28B3/00;22C9/00;22C7/00 主分类号 B22C9/02
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