THREE PIECE PUMP

The present invention provides an improved pump assembly incorporating a liquid pump and an air pump and which pump includes a flexible annular diaphragm member coaxially about a piston-forming element forming a component with the liquid pump. La présente invention concerne un assemblage de pompe am...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHI, ZHENCHUN (TONY), OPHARDT, HEINER, JONES, ANDREW
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention provides an improved pump assembly incorporating a liquid pump and an air pump and which pump includes a flexible annular diaphragm member coaxially about a piston-forming element forming a component with the liquid pump. La présente invention concerne un assemblage de pompe amélioré intégrant une pompe à liquide et une pompe à air. La pompe comprend un élément de diaphragme annulaire flexible coaxial autour dun élément formant piston formant un élément avec la pompe à liquide.