TWO-PIECE FOAM PISTON PUMP

A piston pump for dispersing fluid from a reservoir, an improved vacuum relief arrangement in which a passageway for flow of air from the atmosphere into the reservoir is provided at least in part through the piston- forming element of the piston pump.

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Bibliographische Detailangaben
Hauptverfasser:	Jones, Andrew, Ophardt, Heiner, Shi, Zhenchun
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING BOTTLES, JARS OR SIMILAR CONTAINERS COFFEE MILLS DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISEPROVIDED FOR DOMESTIC ARTICLES OR APPLIANCES FURNITURE HEATING HUMAN NECESSITIES LIGHTING LIQUID HANDLING MECHANICAL ENGINEERING OPENING, CLOSING PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR SPICE MILLS SUCTION CLEANERS IN GENERAL TOILET ACCESSORIES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A piston pump for dispersing fluid from a reservoir, an improved vacuum relief arrangement in which a passageway for flow of air from the atmosphere into the reservoir is provided at least in part through the piston- forming element of the piston pump.