| 发明名称 |
TOOL HOLDER, AND CHISEL SUPPORT AND DRILLING BIT FOR A DRILL HEAD |
| 摘要 |
The invention relates to a drill head comprising a tool holder, to chisel supports mounted thereon and to drill bits. According to the invention, the chisel supports can be separated from the tool holder. |
| 申请公布号 |
WO2013007528(A3) |
申请公布日期 |
2013.10.31 |
| 申请号 |
WO2012EP62545 |
申请日期 |
2012.06.28 |
| 申请人 |
BETEK GMBH & CO. KG;KAMMERER, KARL;ESSIG, WOLFGANG |
发明人 |
KAMMERER, KARL;ESSIG, WOLFGANG |
| 分类号 |
E21B10/20 |
主分类号 |
E21B10/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
