| 发明名称 |
METHOD FOR THE PRODUCTION OF CORE SAND AND/OR MOLDING SAND FOR CASTING PURPOSES |
| 摘要 |
The invention relates to a method for producing core sand and/or molding sand for casting purposes. A granular mineral mold base material is mixed with at least one inorganic binder and additionally an inorganic expanding additive. According to the invention, water glass is used as the binder and expanded graphite is used as the expanding additive. |
| 申请公布号 |
US2015367406(A1) |
申请公布日期 |
2015.12.24 |
| 申请号 |
US201414653152 |
申请日期 |
2014.01.03 |
| 申请人 |
S & B INDUSTRIAL MINERALS GMBH |
发明人 |
WOLFF Andreas;VENNEMANN Bettina;GENSKE Dieter;OBERSCHELP Peter |
| 分类号 |
B22C1/18 |
主分类号 |
B22C1/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. In a method of making a core sand and/or mold sand for foundry use, according to which a granular, mineral mold base material is mixed with at least one inorganic binder and also an inorganic expanding additive, the improvement comprising the step of:
using water glass as the binder and expanded graphite as the expanding additive. |
| 地址 |
Oberhausen DE |
