Patent ID: 6290104
Filing Date: 2001-09-18
Classification: B05B

Abstract:
A dispenser for dispensing liquids in the form of aerosols, the dispenser being of the type comprising a pump (1) engaged in sealed manner in the neck (C) of a container and provided firstly with a metering internal chamber and secondly with a spray tube (10) which projects to the outside, where it is engaged in a plunger knob (3), said spray tube (10) being suitable for being fed by the metering chamber and for communicating with a transverse ejection duct (21) equipped with a spray nozzle (22);said dispenser being characterized in that, upstream from the ejection duct (21), it is provided with a delivery or suction external chamber (20) for delivering or for sucking in a mixture of air and of liquid, the spray tube (10) opening out into said external chamber, and said external chamber enclosing a piston (32) secured to the plunger knob (3).