Method and apparatus for injecting packing into stuffing...

Details Method and apparatus for injecting packing into stuffing... Method and apparatus for injecting packing into stuffing...

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/56 (2006.01)

Patent

CA 2424164

A stuffing box for a polished rod used with a downhole pump uses injectable packing to provide a seal around the polished rod. The stuffing box has a chamber for receiving the packing. The chamber has an opening to allow the addition of packing to the chamber. The packing is maintained in a compacted condition by either injecting additional packing through the opening or adjusting the volume of the chamber.

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