发明名称 |
Investment casting cores and methods |
摘要 |
An investment casting core combination includes a metallic casting core and a ceramic feedcore. A first region of the metallic casting core is embedded in the ceramic feedcore. A mating edge portion of the metallic casting core includes a number of projections. The first region is along at least some of the projections. A number of recesses span gaps between adjacent projections. The ceramic feedcore includes a number of compartments respectively receiving the metallic casting core projections. The ceramic feedcore further includes a number of portions between the compartments and respectively received in the metallic casting core recesses. |
申请公布号 |
US8100165(B2) |
申请公布日期 |
2012.01.24 |
申请号 |
US20080271980 |
申请日期 |
2008.11.17 |
申请人 |
PIGGUSH JUSTIN D.;MENTZ KARL A.;PAGE RICHARD H.;CHRISTOPHEL JESSE R.;TRINDADE RICARDO;UNITED TECHNOLOGIES CORPORATION |
发明人 |
PIGGUSH JUSTIN D.;MENTZ KARL A.;PAGE RICHARD H.;CHRISTOPHEL JESSE R.;TRINDADE RICARDO |
分类号 |
B22C9/10;B22C7/00;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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