| 发明名称 |
Method for firing a ceramic and refractory metal casting core |
| 摘要 |
In an investment casting process, a composite core is formed as a combination of ceramic casting core element and a non-ceramic casting core element. The core is heated in an oxidative atmosphere and then heated in a non-oxidative atmosphere.
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| 申请公布号 |
US2007235158(A1) |
申请公布日期 |
2007.10.11 |
| 申请号 |
US20060402164 |
申请日期 |
2006.04.10 |
| 申请人 |
UNITED TECHNOLOGIES CORPORATION |
发明人 |
BOCHIECHIO MARIO P.;BULLIED STEVEN J.;KENNARD LEA D.;VERNER CARL R.;MARCIN JOHN J.JR. |
| 分类号 |
B22C9/10;B22C9/04 |
主分类号 |
B22C9/10 |
| 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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