Fluid dispenser method and apparatus

作者: James C. McKinney

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摘要: A fluid pump dispenser includes a trigger which may be located in pivotable engagement with the housing and piston after shipment. The initial actuation of moves container conduit, engaged thereto, to open vent shipping seal provided by mating surfaces on conduit cap. Fluid carried from enters chamber through central orifice piston. flexible member functions as an inlet check valve for ring. also nozzle structure having outlet O-ring seal, cooperates threaded cap vary discharge pattern responsive twisting adjustment

参考文章(7)
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William G Gorman, Non-metallic pump dispenser ,(1964)
Daniel S Sanborn, Fluid spray nozzle ,(1954)