发明名称 |
METHOD FOR THE PRODUCTION OF A CORE SAND AND/OR MOLDING SAND FOR CASTING PURPOSES |
摘要 |
The invention relates to a method for producing a core sand and/or molding sand for casting purposes. According to said method, a basic granular mineral molding material such as silica sand is mixed with an additive based on an organic or inorganic component, a binding agent being optionally added. According to the invention, the additive is coarsely ground prior to the mixing process, more than 50 percent by weight of the grains having a minimum size of approximately 0.05 mm. |
申请公布号 |
WO2004110670(A2) |
申请公布日期 |
2004.12.23 |
申请号 |
WO2004EP06306 |
申请日期 |
2004.06.11 |
申请人 |
S & B INDUSTRIAL MINERALS GMBH;KOCH, KARL;GREFHORST, CORNELIS |
发明人 |
KOCH, KARL;GREFHORST, CORNELIS |
分类号 |
B22C1/00;B22C1/02;B22C1/04;B22C1/08;B22C1/10;B22C1/12 |
主分类号 |
B22C1/00 |
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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