| 发明名称 |
TAMPING CARTRIDGE MADE OF FILLED, ELONGATED POLYMERIC TUBING |
| 摘要 |
A tamping cartridge for tamping explosive charges in bore holes which consists of a sealed plastic tubing essentially filled with a finely divided solid and a wall thickness of 50 to 100 microns.
|
| 申请公布号 |
US3837280(A) |
申请公布日期 |
1974.09.24 |
| 申请号 |
US19730327181 |
申请日期 |
1973.01.26 |
| 申请人 |
CHEM FAB KALK GMBH,DT |
发明人 |
LEWER H,DT |
| 分类号 |
F42D1/08;F42D1/20;F42D1/24;(IPC1-7):F42D1/08 |
主分类号 |
F42D1/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
