Invention Grant
- Patent Title: Non threaded drill pipe connection
- Patent Title (中): 无螺纹钻杆连接
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Application No.: US13197217Application Date: 2011-08-03
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Publication No.: US08474879B2Publication Date: 2013-07-02
- Inventor: Derek F. Herrera
- Applicant: Derek F. Herrera
- Agent Richard A. Fagin
- Priority: GB1014511.8 20100901
- Main IPC: F16L39/00
- IPC: F16L39/00

Abstract:
A threadless connection for coupling segments of pipe longitudinally end to end includes a pin end having a groove for receiving therein a locking ring. A box end has a groove for receiving the locking ring therein when the pin end is inserted into the box end. The locking ring has an uncompressed diameter selected to exert lateral force on the groove in the box end when assembled to the pin end.
Public/Granted literature
- US20120049513A1 Non Threaded Drill Pipe Connection Public/Granted day:2012-03-01
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