Aerosol dispensing valve

A valve assembly can automatically dispense aerosol content from an aerosol container at predetermined intervals without the use of electric power. A diaphragm at least partially defines an accumulation chamber that receives aerosol content from the can during an accumulation phase. Once the interna...

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Bibliographische Detailangaben
Hauptverfasser:	MICHAEL G KNICKERBOCKER, DAVID J. HOUSER, TOR H PETTERSON
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS 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 NOZZLES PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A valve assembly can automatically dispense aerosol content from an aerosol container at predetermined intervals without the use of electric power. A diaphragm at least partially defines an accumulation chamber that receives aerosol content from the can during an accumulation phase. Once the internal pressure of the accumulation chamber reaches a predetermined threshold, the diaphragm moves axially, carrying with it a leg so as to unseal an outlet, and thereby initiate a spray burst. A pawl extends from the diaphragm, and engages a retention surface to resist movement of the diaphragm and prolong the accumulation phase. The diaphragm assumes its original position when the pressure within the accumulation chamber falls below a threshold pressure.