Spray device

An aerosol valve has a housing 3 with a lower inlet 8 and a tap orifice 4. A valve stem with an inlet 2 and outlet joined by a passageway is movable so that the inlet 2 can selectively communicate with the housing 3. An actuator 5 is mounted on the valve stem with a discharge aperture communicating...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ALAIN BOU, LAETITIA ROUAULT, COLIN LITTEN-BROWN
Format:	Patent
Sprache:	eng
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:	An aerosol valve has a housing 3 with a lower inlet 8 and a tap orifice 4. A valve stem with an inlet 2 and outlet joined by a passageway is movable so that the inlet 2 can selectively communicate with the housing 3. An actuator 5 is mounted on the valve stem with a discharge aperture communicating with the valve stem outlet via a passageway. The vapour phase tap orifice 4 has a narrowest diameter of 0.58 to 0.64 mm; the housing inlet 8 has a narrowest diameter of 0.62 to 0.66 mm; the valve stem passageway inlet 2 has a narrowest diameter of 0.46 to 0.50 mm; and the actuator outlet 7 has a narrowest diameter of 0.49 to 0.53 mm. The aerosol mixture comprises 70 to 85% by weight of the propellant based on the total weight of said mixture. Certain subranges of these ranges are preferable. The propellant can be butane, propane and/or isobutene. The container may be 100ml.