发明名称 |
Cementitious compositions |
摘要 |
The invention provides a method of preparing a blast hole which method comprises the sequential steps of: drilling a blast hole; placing explosives in the blast hole; filling the blast hole with a stemming material comprising a cement composition and water wherein the weight ratio of water to solids content of the stemming material is at least about 1:1. |
申请公布号 |
US8413584(B2) |
申请公布日期 |
2013.04.09 |
申请号 |
US20100766028 |
申请日期 |
2010.04.23 |
申请人 |
MILLS PETER SHELLEY;HARRIS RORY JOHN MICHAEL;MINOVA INTERNATIONAL LIMITED |
发明人 |
MILLS PETER SHELLEY;HARRIS RORY JOHN MICHAEL |
分类号 |
F42D3/00 |
主分类号 |
F42D3/00 |
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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