发明名称 |
Process for hardening of cold-hardening mould material mixtures in foundries |
摘要 |
In the process for hardening of cold-hardening mould material mixtures, oxygen is fed as a hardener or hardening accelerator to the finished casting moulds or cores. Preferably in conjunction with a sulphur compound, the oxygen leads to the formation of acids which effect the hardening.
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申请公布号 |
DE3135038(A1) |
申请公布日期 |
1983.03.24 |
申请号 |
DE19813135038 |
申请日期 |
1981.09.04 |
申请人 |
BUDERUS AG |
发明人 |
AHRENBERG,KURT;GORSCHLUETER,ERNST-ULRICH |
分类号 |
B22C9/12;(IPC1-7):B22C9/12 |
主分类号 |
B22C9/12 |
代理机构 |
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地址 |
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