Premeasured liquid spray and foam dispenser

Claim 1

A container enclosure assembly having a lower storage chamber and an upper dispensing chamber and wall means defining a fitment opening therebetween, a fitment in said opening having an upwardly extending portion and defining an internal through passageway which terminates in an outlet port located in spaced relationship above the lower boundary of said dispensing chamber, said outlet port being defined in the sidewall of said fitment so as to direct liquid laterally outwardly toward the sidewalls of the dispensing chamber, a transfer tube having its upper end received in the lower end of said fitment passageway, said tube having its lower end adjacent the lower portion of said storage chamber, said tube having a cross sectional area which is constant throughout its length and which tube area is significantly less than that of said fitment opening, said storage chamber having manually deformable wall portions, nozzle structure provided in the top of said dispensing chamber, said nozzle structure including a discharge orifice and means forming a mixing cavity communicating with and located adjacent said discharge orifice, a standpipe tube having one end communicating with said mixing cavity and its other end located in said dispensing chamber for delivering air under pressure to said mixing cavity, means forming a constricted liquid passageway between the dispensing chamber and the mixing cavity for emitting an atomized spray at said discharge orifice.