| 发明名称 |
Exothermic casting mould |
| 摘要 |
<p>The mould material is dosed with nitrates or fluorides to give up to 5 wt.% water soluble chromates so that the metal hardening effect of the casting is retarded to allow topping up to compensate for shrinkage.</p> |
| 申请公布号 |
DE1950309(A1) |
申请公布日期 |
1971.04.01 |
| 申请号 |
DE19691950309 |
申请日期 |
1969.09.30 |
| 申请人 |
HUETTENES ALBERTUS |
发明人 |
KUHLGATZ WILHELM DIPL-ING;KOEHNKE ULRICH |
| 分类号 |
B22D7/10;(IPC1-7):22C3/00 |
主分类号 |
B22D7/10 |
| 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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