发明授权
- 专利标题: Power tong frames
- 专利标题(中): 动力钳架
-
申请号: US10432059申请日: 2001-11-19
-
公开(公告)号: US07921750B2公开(公告)日: 2011-04-12
- 发明人: Bernd-Georg Pietras
- 申请人: Bernd-Georg Pietras
- 申请人地址: US TX Houston
- 专利权人: Weatherford/Lamb, Inc.
- 当前专利权人: Weatherford/Lamb, Inc.
- 当前专利权人地址: US TX Houston
- 代理机构: Patterson & Sheridan, LLP
- 优先权: GB0028313.5 20001121
- 国际申请: PCT/GB01/05121 WO 20011119
- 国际公布: WO02/42600 WO 20020530
- 主分类号: B25B13/50
- IPC分类号: B25B13/50 ; B25B17/00
摘要:
Apparatus for securing a joint between two lengths of tubular. The apparatus has a tong arrangement comprising a rotary tong and a back-up tong. The apparatus also includes a frame having a seat for supporting the tong arrangement from beneath, the tong arrangement resting upon the seat such that the tong arrangement can be oriented in use at an angle to the longitudinal axis of the frame. A support member is provided for securing the tong arrangement to the frame at a chosen orientation.
公开/授权文献
- US20040035573A1 Power tong frames 公开/授权日:2004-02-26
信息查询