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发明名称
Method of making a shell mold
摘要
A stronger, thinner shell mold suitable for making cast metal parts comprises a base member of resin bonded sand and a second surfacing layer of a cured thermosetting binder material. Also disclosed is a method for forming the new shell mold.
申请公布号
US4050500(A)
申请公布日期
1977.09.27
申请号
US19760667050
申请日期
1976.03.15
申请人
EATON CORPORATION
发明人
STEINBACHER, JACK T.
分类号
B22C1/16;(IPC1-7):B22C1/22;B22C1/18
主分类号
B22C1/16
代理机构
代理人
主权项
地址
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