Patent ID: 7467735

Claim:
A container for use with a liquid proportioning unit, comprising: a container for storing a liquid to be diluted, said container including a main liquid reservoir, a receptacle above said main liquid reservoir having a first opening between said main reservoir and a bottom of said receptacle, a dispensing opening in said receptacle; and a transfer tube extending between said main reservoir and said receptacle; an insert in said first opening and sealing against an inner surface of said container; a drop tube extending downwardly in a use position from said insert and having an inlet opening located adjacent a bottom of said container in the use position for drawing the liquid from said main reservoir; a first actuatable valve housed in said insert, including an actuatable member biased to a closed position for closing said first opening, said valve permitting fluid flow from said main reservoir through said first valve, when actuated; a cap assembly adapted to couple to said receptacle adjacent said dispensing opening of said receptacle and including a tubular extension engaging said actuatable member of said first valve and actuating same member to open said first valve when said cap assembly is assembled to said receptacle, thereby opening a fluid dispensing passage; a first check valve in fluid communication with said fluid dispensing passage permitting unidirectional flow therein; and a metering tip in said fluid dispensing passage.