Method of sealing a tubing type of subsurface pump having a...

Details Method of sealing a tubing type of subsurface pump having a... Method of sealing a tubing type of subsurface pump having a...

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 47/00 (2006.01) F04B 53/14 (2006.01)

Patent

CA 2076342

ABSTRACT OF THE DISCLOSURE A method of sealing a tubing type of subsurface pump having a reciprocating cylindrical plunger consisting of the following steps. Firstly, form at least one circumferential groove on the plunger. Secondly, position a spiral-form metal retaining ring having a plurality of turns in the groove projecting outwardly from the groove and engaging the tubing thereby serving both a sealing and a scraping function.

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