发明授权
- 专利标题: Rod coupling having a pin
- 专利标题(中): 杆联接器具有销
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申请号: US12594702申请日: 2008-04-04
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公开(公告)号: US08336644B2公开(公告)日: 2012-12-25
- 发明人: Franz-Josef Püttmann
- 申请人: Franz-Josef Püttmann
- 申请人地址: DE Lennestadt
- 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: DE Lennestadt
- 代理商 Henry M. Feiereisen, LLC
- 优先权: DE102007016822 20070405
- 国际申请: PCT/EP2008/002714 WO 20080404
- 国际公布: WO2008/122423 WO 20081016
- 主分类号: E21B17/02
- IPC分类号: E21B17/02
摘要:
The invention relates to a rod coupling for rod segments for use in horizontal earth boring, wherein the ends of the rod segments can be interconnected and are fixed by means of a cross pin.
公开/授权文献
- US20100196089A1 ROD COUPLING HAVING A PIN 公开/授权日:2010-08-05
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