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04-23-2008

Aerosol Spray Dispenser

A dual receptacle aerosol sprayer (10) with a thin, flexible plastic outer receptacle (11) for product (12) and a substantially rigid inner receptacle (13) for propellant (14) seated within the outer receptacle (11). A closure (15) closes the inner receptacle (13) and contains a valve assembly (18). Primary propellant and secondary product valves (70, 80) in the valve assembly (18) control flow from the inner and outer receptacles (11, 13) up propellant and product valve stem bores (42, 43) into an actuator (21) having an aspirating nozzle insert (29) with a Venturi constriction (30). A conduit (22) extends from the valve assembly (18) through the inner receptacle (13) and into the outer receptacle (11). To avoid propellant overloading and rupture of the outer receptacle (11), a one-way tertiary valve (31) downstream of the secondary product valve (80) closes on clogging of the actuator discharge outlet (32) to prevent, during actuation, misdirected propellant flow from the actuator (21) and through the stem product bore (42) and the secondary product valve (80), from entering the outer product-containing receptacle (11).

Publication date: 04-23-2008
Applicant: ABPLANALP ROBERT HENRY (US)
Inventor: ABPLANALP ROBERT HENRY (US)


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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