Paint pump fluid section
AssigneeWagner Spray Tech Corporation
InventorsNorman A. Cyphers, Frank G. Mirazita
Life of this patent
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Abstract
An improved fluid section for piston type paint pumps having the piston made from unplated stainless steel and wherein the seal is a multiple lip type formed of ultra-high molecular weight polyethylene and the seal further includes one or more U-shaped internal stainless steel springs.
Claims9
In a piston paint pump fluid section of the type having a piston carried in a housing and secured against leakage from an inlet chamber to an outlet chamber by an inlet seal located between the piston and the housing, the improvement in combination therewith comprising the piston being formed of unplated stainless steel and the inlet seal being a first multiple lip seal formed of a resilient elastomer material.
Dependencies are inferred from the claim text.