Patent ID: 6463843
Filing Date: 2002-10-15
Classification: F02F,F04B,F05C,F16J

Abstract:
A pump liner, comprising:a tubular sleeve having an inner sleeve surface of a corrosion- and abrasion-resistant material and an outer sleeve surface, said outer sleeve surface being frustoconical; and a shell in surrounding relationship to said tubular sleeve, said shell having an outer shell surface and an inner shell surface, said inner shell surface being frustoconical and complementary to said outer sleeve surface, said shell comprising a composite comprising a reinforcing filler supported in a polymeric matrix selected from the group consisting of thermoplastic resins, thermosetting resins, and mixtures thereof, said shell and said sleeve being in press-fitted engagement with one another, the shell exerting a radially inwardly directed compressive force on the sleeve.