发明公开
- 专利标题: GEWINDESICHERUNG
- 专利标题(英): Thread securer
- 专利标题(中): 土钻
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申请号: EP06829024.6申请日: 2006-11-13
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公开(公告)号: EP1948900A2公开(公告)日: 2008-07-30
- 发明人: PÜTTMANN, Franz-Josef
- 申请人: Tracto-Technik GmbH
- 申请人地址: Reiherstrasse 2 57368 Lennestadt DE
- 专利权人: Tracto-Technik GmbH
- 当前专利权人: Tracto-Technik GmbH
- 当前专利权人地址: Reiherstrasse 2 57368 Lennestadt DE
- 代理机构: Tilmann, Max Wilhelm
- 优先权: DE102005054311 20051111; DE102006029346 20060623
- 国际公布: WO2007054353 20070518
- 主分类号: E21B17/043
- IPC分类号: E21B17/043 ; E21B17/042 ; E21B4/14
摘要:
The invention relates to an earth boring device with a housing (1), which has an internal thread (11) in at least one section, and with a threaded element with a corresponding external thread, the threaded element being slotted and having a location for a securing element (10, 110, 210), via which when inserting into the location, the outside diameter of the threaded element or the surface pressure of the threaded connection between the threaded element and the housing is increased.
公开/授权文献
- EP1948900B1 Erdbohrgerät 公开/授权日:2012-01-11
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