发明名称 |
AUXILIARY EQUIPMENT FOR USE WITH DRILLING APPARATUS |
摘要 |
<p>The invention relates to auxiliary working apparatus (10) for use with drilling apparatus for drilling holes into the ground and where the drilling apparatus has a platform supported by a support structure (50) thereof through which a drill bit (30) passes, the platform serving as a barrier between chippings blown from a hole being drilled into the ground and the drill motor and drill bit displacement mechanism of the drilling apparatus. The auxiliary working apparatus includes displacement means in the form of a roller-type brush (20) arrangement that, in its operative configuration, is mounted beneath the platform and that is operable for displacing chippings blown from a hole being drilled into the ground to spaced locations from the hole.</p> |
申请公布号 |
WO2007122528(A1) |
申请公布日期 |
2007.11.01 |
申请号 |
WO2007IB51200 |
申请日期 |
2007.04.04 |
申请人 |
GOUWS, PETRUS, CHRISTIAAN |
发明人 |
GOUWS, PETRUS, CHRISTIAAN |
分类号 |
E21B21/015;E21B21/07 |
主分类号 |
E21B21/015 |
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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