发明名称 |
FREMGANGSMAATE TIL STOEPING AV HULE STOEPEGJENSTANDER |
摘要 |
In the manufacture of hollow cast articles such as turbine blades or vanes, the article is cast in opposed halves on opposite sides of a "strong back" or mid-section, to which wax patterns are attached for the preparation of a shell mold around the strong back and patterns. The article halves, after removal from the mold, are bonded together. |
申请公布号 |
NO143610(C) |
申请公布日期 |
1981.03.18 |
申请号 |
NO19790001336 |
申请日期 |
1979.04.23 |
申请人 |
UNITED TECHNOLOGIES CORP, |
发明人 |
HAYES, DOUGLAS RUSSELL,;PHIPPS, CHARLES MERRICK, |
分类号 |
B22C7/00;B22C9/04;B22C9/24;(IPC1-7):22D25/00;22C9/24 |
主分类号 |
B22C7/00 |
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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