Rod coupling for oil well sucker rods and the like

F - Mech Eng,Light,Heat,Weapons – 16 – D

Patent

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F16D 1/00 (2006.01) E21B 17/00 (2006.01) E21B 17/042 (2006.01) E21B 17/10 (2006.01) F04B 53/14 (2006.01) F16L 57/06 (2006.01)

Patent

CA 1237907

ROD COUPLING FOR OIL WELL SUCKER RODS AND THE LIKE ABSTRACT OF THE DISCLOSURE A coupling for joining sucker rods in an oil well pump and the like, having a metal sleeve with an axially threaded bore and an exterior coating on the sleeve producing a cylindrical coupling, with the coating being an abrasive resistant thermoplastic hydrourethane polymer.

480585

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