| 发明名称 |
METHOD OF MANUFACTURE AND ARTICLE MANUFACTURED THEREBY |
| 摘要 |
The pins which are used for the support of a core in a lost wax casing process are provided with caps. The caps provide sufficient surface area for encapsulation by ceramic slurry. Heat loss from the metal melt via the pins is thus obviated along with undesirable grain nucleation. |
| 申请公布号 |
GB2205261(B) |
申请公布日期 |
1990.11.14 |
| 申请号 |
GB19870012952 |
申请日期 |
1987.06.03 |
| 申请人 |
* ROLLS-ROYCE PLC |
发明人 |
DAVID JOHN * ALLEN;JOSEPH * MARTIN;PETER EDWARD * ROSE;JOHN * TERRY |
| 分类号 |
B22C9/04;B22C9/24;B22C21/14 |
主分类号 |
B22C9/04 |
| 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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