Invention Grant
- Patent Title: Power tong frames
- Patent Title (中): 动力钳架
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Application No.: US10432059Application Date: 2001-11-19
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Publication No.: US07921750B2Publication Date: 2011-04-12
- Inventor: Bernd-Georg Pietras
- Applicant: Bernd-Georg Pietras
- Applicant Address: US TX Houston
- Assignee: Weatherford/Lamb, Inc.
- Current Assignee: Weatherford/Lamb, Inc.
- Current Assignee Address: US TX Houston
- Agency: Patterson & Sheridan, LLP
- Priority: GB0028313.5 20001121
- International Application: PCT/GB01/05121 WO 20011119
- International Announcement: WO02/42600 WO 20020530
- Main IPC: B25B13/50
- IPC: B25B13/50 ; B25B17/00

Abstract:
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.
Public/Granted literature
- US20040035573A1 Power tong frames Public/Granted day:2004-02-26
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