发明名称 |
Shearing machine with roof-bolt drilling and setting devices |
摘要 |
A shearing machine with roof-bolt drilling and setting devices which are jointedly connected to the shearing machine and can be hydraulically braced between roof and floor of the roadway. A multiplicity of roof-bolt drilling and setting devices are connected to a common supporting frame, the supporting frame being connected to the shearing machine via guide bars running in the longitudinal direction of the machine.
|
申请公布号 |
US5050934(A) |
申请公布日期 |
1991.09.24 |
申请号 |
US19900523527 |
申请日期 |
1990.05.15 |
申请人 |
VOEST-ALPINE ZELTWEG GESELLSCHAFT M.B.H. |
发明人 |
BRANDL, ERICH;TUTZER, OSWALD;ZITZ, ALFRED |
分类号 |
E21D9/10;E21D20/00 |
主分类号 |
E21D9/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|