SUCKER ROD COUPLINGS

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.

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Bibliographische Detailangaben
1. Verfasser: RUDY MELVIN BOWERS
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung: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.