| 发明名称 |
Material for foundry core with aerogel sand comprising water swellable clay |
| 摘要 |
<p>Core material, for sand mold casting containing aerogel sand, comprises clayey sand with a content of phyllosilicate (3-20%). An independent claim is included for a method for preparing core material comprising preparing a sol, mixing the sol with clayey sand, gelling the sol and drying the gel.</p> |
| 申请公布号 |
EP1852197(A1) |
申请公布日期 |
2007.11.07 |
| 申请号 |
EP20070106978 |
申请日期 |
2007.04.26 |
| 申请人 |
DEUTSCHES ZENTRUM FUER LUFT- UND RAUMFAHRT E.V. |
发明人 |
RATKE, LORENZ, PROF.;BRUECK, SABINE, DR.;NOLTE, ELMAR |
| 分类号 |
B22C1/16 |
主分类号 |
B22C1/16 |
| 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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