发明名称 |
Mold for directionally solidified single crystal castings and method for preparing same |
摘要 |
A shell mold for producing directionally solidified single crystal metal castings in which use is made of a crystal selector of helical shape wound about a support of a non heat disposable material which eliminates the need for providing a crystal selector of sufficient dimension for self support or other supporting means which may form a part of the pattern assembly about which the shell mold is formed.
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申请公布号 |
US4180119(A) |
申请公布日期 |
1979.12.25 |
申请号 |
US19780943212 |
申请日期 |
1978.09.18 |
申请人 |
HOWMET TURBINE COMPONENTS CORP |
发明人 |
BURD, LAMAR;DONNELLY, JAMES K |
分类号 |
B22D27/04;B22C9/02;B22C9/04;B22C13/08;B22D25/02;C30B11/00;C30B11/14;(IPC1-7):B22C9/04;B22D25/06 |
主分类号 |
B22D27/04 |
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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