Interference fit coupling and method of application for same

Details Interference fit coupling and method of application for same Interference fit coupling and method of application for same

E - Fixed Constructions

21

B

E21B 17/042 (2006.01) E21B 17/04 (2006.01)

Patent

CA 2287681

A threaded end of a drill rod is formed from a sleeve secured to one end of the body. The sleeve has a threaded bore to receive a threaded end of an adjacent component and is secured to the body of the rod by an interference fit between a bore and spigot on the two components.

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