| 发明名称 |
GRUBENVERSATZ. |
| 摘要 |
<p>A void in a mine is backfilled by a backfill slurry comprising water, an inert filler, e.g. mine tailings, and a binder, e.g. cement, lime or slag, to which a gelling agent, e.g. sodium silicate, is added just before placement.</p> |
| 申请公布号 |
DE68903607(T2) |
申请公布日期 |
1993.06.03 |
| 申请号 |
DE1989603607T |
申请日期 |
1989.06.29 |
| 申请人 |
FOSROC INTERNATIONAL LTD., NECHELLS, BIRMINGHAM, GB |
发明人 |
SMART, RODERICK MACDONALD, FORTROSE ROSS-SHIRE SCOTLAND IV10 84T, GB |
| 分类号 |
C04B28/02;(IPC1-7):C04B28/26;E21F15/00 |
主分类号 |
C04B28/02 |
| 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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