发明名称 |
Cartridge shell and cartridge for blast holes and method of use |
摘要 |
A cartridge shell 10 comprises a main body 12 defining a volume 14 for holding energetic material. The main body 12 has a first end 16 for location adjacent a toe 48 of a hole 46 and a second end 18 directed to the collar 50 of hole 46. The second end 18 is tapered to reduce in transverse area away from the first end to form a point or wedge-like member 20. |
申请公布号 |
US2002014176(A1) |
申请公布日期 |
2002.02.07 |
申请号 |
US20010794202 |
申请日期 |
2001.02.26 |
申请人 |
TOTA EDWARD W.;ROGERS NIGEL |
发明人 |
TOTA EDWARD W.;ROGERS NIGEL |
分类号 |
E21C37/14;F42B3/00;F42B3/04;F42B3/22;F42D1/08;F42D1/12;F42D3/04;(IPC1-7):F42B3/00 |
主分类号 |
E21C37/14 |
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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