METERING DISPENSING CLOSURE

摘要

This disclosure relates to a metering dispensing closure in which a pair of chambers are selectively placed in fluid communication with each other by an axially movable gravity actuated valve housed in one of the chambers. The valve includes a pair of diametrically opposite ports which are alternately in and out of registration with ports formed in the chamber housing the valve. When the closure is inverted a first of the chambers receives a predetermined quantity of a packaged product and upon reversion and subsequent inversion the predetermined quantity is transferred to a second of the chambers and dispensed through a port thereof to atmosphere.