发明授权
- 专利标题: Draw works
- 专利标题(中): 绘画作品
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申请号: US10506032申请日: 2003-02-19
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公开(公告)号: US07232113B2公开(公告)日: 2007-06-19
- 发明人: Peter Heinrichs , Albrecht Heinrichs
- 申请人: Peter Heinrichs , Albrecht Heinrichs
- 申请人地址: DE Erkelenz
- 专利权人: Wirth Maschinen- und Bohrgeräte-Fabrik GmbH
- 当前专利权人: Wirth Maschinen- und Bohrgeräte-Fabrik GmbH
- 当前专利权人地址: DE Erkelenz
- 代理商 Friedrich Kueffner
- 优先权: DE10208370 20020227
- 国际申请: PCT/EP03/01665 WO 20030219
- 国际公布: WO03/072904 WO 20030904
- 主分类号: B66D1/14
- IPC分类号: B66D1/14
摘要:
In the drawworks for lowering and withdrawing a load, in particular a drilling or a drilling plugging device, in particular for use on floating drilling platforms, which drawworks has at least one brake arrangement for braking and holding the load, an emergency brake device is provided for producing an additional braking force.
公开/授权文献
- US20050133773A1 Draw works 公开/授权日:2005-06-23
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