发明公开
- 专利标题： RAMMBOHRVORRICHTUNG
- 专利标题（英）： Drilling ram device
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申请号： EP15812946.0申请日： 2015-11-04
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公开(公告)号： EP3215704A1公开(公告)日： 2017-09-13
- 发明人: PÜTTMANN, Franz-Josef , SAMADRAXHA, Sadri
- 申请人： TRACTO-TECHNIK GmbH & Co. KG
- 申请人地址： Paul-Schmidt-Straße 2 57368 Lennestadt DE
- 专利权人： TRACTO-TECHNIK GmbH & Co. KG
- 当前专利权人： TRACTO-TECHNIK GmbH & Co. KG
- 当前专利权人地址： Paul-Schmidt-Straße 2 57368 Lennestadt DE
- 代理机构： König Szynka Tilmann von Renesse Patentanwälte Partnerschaft mbB
- 优先权： DE102014016154 20141104
- 国际公布： WO2016070987 20160512
- 主分类号： E21B4/06
- IPC分类号： E21B4/06
摘要：
The invention relates to a drilling ram device for drilling into the soil, which comprises at least a housing section for an impact piston, characterized in that an annular insert is arranged in front of the impact piston in the housing such that it transmits at least part of the energy of the impact piston to the housing, and that the annular insert is held by means of a shrinkage connection.
公开/授权文献
- EP3215704B1 RAMMBOHRVORRICHTUNG 公开/授权日：2018-10-31
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