Patent ID: 6227414
Filing Date: 2001-05-08
Classification: B05B

Abstract:
A device for dispensing liquid, fluid or pasty products comprising:a receptacle enclosing the product;a support in an opening of said receptacle, said support having a tubular central conduit;a pushbutton axially slidably mounted on said support between a rest position and an active position and having an outlet conduit;an intermediate piece of a resiliently deformable material, interposed between said support and said pushbutton, said intermediate piece and said pushbutton defining a measured quantity chamber for the product;an opening in said intermediate piece for communication between the tubular conduit of said support and said measured quantity chamber, said opening having a closure element; andat least one passage opening for passage of said product between the measured quantity chamber and the outlet conduit of the pushbutton, said intermediate piece holding the pushbutton in said rest position,said support having a first and a second annular compartment concentric with and outside said tubular conduit and a collar within said tubular conduit spaced opposite said opening of said receptacle,said pushbutton having a bottom surrounded by a peripheral skirt, said skirt being axially slidably engaged in said second annular compartment,said outlet conduit being defined by an innermost and an outermost concentric skirt projecting from said pushbutton bottom, at least one outlet opening being in said pushbutton bottom and facing said outlet conduit,said passage opening from the measured quantity chamber to the outlet conduit being at an end of said innermost concentric skirt,said opening having a central cylindrical projection bearing against said collar, said cylindrical projection being connected to a peripheral annular groove extending within said first annular compartment and surrounding said tubular conduit, said groove having a peripheral flange bearing against a wall separating said first and said second annular compartments and said second annular compartment,said innermost and said outermost concentric skirts being disposed in said groove, ends of said innermost and said outermost annular compartments resting sealingly against a bottom of said groove, andat least an internal wall of said groove sealingly bearing against said innermost concentric skirt to close said passage opening between the measured quantity chamber and the outlet conduit.