- 专利标题: DRILLING BUCKET AND METHOD FOR DRILLING A BORE HOLE
- 专利标题(中): 钻孔和钻孔方法
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申请号: US13948899申请日: 2013-07-23
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公开(公告)号: US20140034385A1公开(公告)日: 2014-02-06
- 发明人: Karl van der WAAL
- 申请人: BAUER SPEZIALTIEFBAU GMBH
- 申请人地址: DE Schrobenhausen
- 专利权人: BAUER SPEZIALTIEFBAU GMBH
- 当前专利权人: BAUER SPEZIALTIEFBAU GMBH
- 当前专利权人地址: DE Schrobenhausen
- 优先权: EP12005717.9 20120806
- 主分类号: E21B7/00
- IPC分类号: E21B7/00 ; E21B7/26
摘要:
A drilling bucket for drilling a bore hole in the ground including a hollow cylindrical body and at least one cutting tool arranged at a lower side of the hollow cylindrical body for cutting soil material. The hollow cylindrical body has a lower opening for receiving soil material cut by the at least one cutting tool. For guiding the hollow cylindrical body in the bore hole an upper guiding device is provided which is arranged above the hollow cylindrical body and fixed to the hollow cylindrical body. The upper guiding device is configured to abut on a side wall of the bore hole.
公开/授权文献
- US09567806B2 Drilling bucket and method for drilling a bore hole 公开/授权日:2017-02-14
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