Patent ID: 9115564
Filing Date: 2015-08-25
Classification: E21B,F04B

Abstract:
1. An apparatus for packing a stuffing box having an internal chamber, comprising: a hollow barrel having interior side walls that define an internal chamber having the same cross-sectional dimensions as the internal chamber of the stuffing box, the barrel having a first axis, wherein said first axis runs longitudinally through the center of the hollow barrel; a plunger disposed for axial reciprocal sliding movement within the internal chamber of the barrel, the plunger having an enlarged piston formed at one end thereof and situated within the internal chamber; the stuffing box having a second axis running longitudinally through the center of said stuffing box; and a connection system for releasable maintaining the internal chamber of the barrel and the stuffing box in coaxial engagement with respect to said first axis and said second axis.