Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 4, 2023
0Patent Application Number
169539420
Date Filed
November 20, 2020
0Patent Citations
Patent Primary Examiner
An annular scraper ring for a packing arrangement is disclosed. The annular scraper ring that can form a seal with a plunger included in a fluid end of a reciprocating pump and includes a planar upstream face and an inner surface with a tapered section. The tapered section tapers away from the plunger along a downstream direction so that the scraper ring is widest at the planar upstream face.
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