发明名称 |
Process for producing a casting core, for forming within a cavity intended for cooling purposes |
摘要 |
A process for producing a casting core which is used for forming within a casting a cavity intended for cooling purposes, through which a cooling medium can be conducted, the casting core having surface regions in which there is incorporated in a specifically selective manner a surface roughness which transfers itself during the casting operation to surface regions enclosing the cavity and leads to an increase in the heat transfer between the cooling medium and the casting.
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申请公布号 |
US6374898(B1) |
申请公布日期 |
2002.04.23 |
申请号 |
US19990268722 |
申请日期 |
1999.03.17 |
申请人 |
ALSTOM |
发明人 |
VOGELER KONRAD;WEIGAND BERNHARD;WETTSTEIN HANS |
分类号 |
B22C9/18;B22C9/22;(IPC1-7):B22C9/10 |
主分类号 |
B22C9/18 |
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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