DISPENSER WITH IMPROVED SUPPLY-CLOSING MEANS

The invention relates to a dispenser, particularly suitable for a liquid container, comprising: an air pump with an air cylinder (23) and an air piston (3) axially displaceable in the air cylinder, an air space (19) defined between the air cylinder and the air piston, supply-closing means (39) for c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BROUWER, MARKUS FRANCISKUS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BOTTLES, JARS OR SIMILAR CONTAINERS 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 DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISEPROVIDED FOR HANDLING THIN OR FILAMENTARY MATERIAL LIQUID HANDLING MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING NOZZLES OPENING, CLOSING PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a dispenser, particularly suitable for a liquid container, comprising: an air pump with an air cylinder (23) and an air piston (3) axially displaceable in the air cylinder, an air space (19) defined between the air cylinder and the air piston, supply-closing means (39) for closing the air supply to the air pump, discharge-closing means for closing the air discharge from the air pump, a cover (1) connected to the air piston, an air inlet opening (12) in the cover, wherein the air inlet opening debouches directly into the air space, and an annular element (39) which extends axially on the inside of the cover and which comprises an edge part, which edge part is in contact with at least the part of the inner wall of the cover located around the air inlet opening (12) .