发明名称 |
Core material. |
摘要 |
A method for the production of cores and molds for casting molds, based on a base molding material and an organic or inorganic binding agent and an additive. According to the method, pre-forming substances are used in order to dispense with the use of sizing substances and to prevent the formation of ribs. |
申请公布号 |
ZA200409842(B) |
申请公布日期 |
2005.07.18 |
申请号 |
ZA20040009842 |
申请日期 |
2004.12.06 |
申请人 |
GEORG FISCHER GMBH & CO. KG. |
发明人 |
ALEXANDER SCHREY;GOTTHARD WOLF;RIETZCHER ROLF |
分类号 |
B22C1/22;B22C;B22C1/02;B22C9/12 |
主分类号 |
B22C1/22 |
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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