Patent ID: 8353428
Filing Date: 2013-01-15
Classification: B67B,B67D,G01F

Abstract:
1. A metering valve fitment for a package holding a liquid therein, said fitment being arranged for selectively dispensing a metered quantity of the liquid from the package, the package comprising a flexible bag having a wall and another fitment, the other fitment including a passageway extending directly to a portion of the wall of the bag, said metering valve fitment having a body, a fluid inlet check valve, a fluid outlet check valve, a compressible bulb, a tubular piercing element and an outlet, said compressible bulb defining a collapsible reservoir into which a portion of the liquid from the package is transferred for dispensing, said fluid inlet check valve being arranged to isolate said reservoir from said tubular piercing element, said fluid outlet check valve being arranged to isolate said reservoir from said outlet, said tubular piercing element being arranged to be extended through the passageway in the other fitment and brought into direct engagement with the portion of the wall of the bag to directly pierce the wall of the bag, said bulb being arranged to be compressed and then released after the wall of the bag has been pierced, whereupon said fluid inlet check valve is automatically opened and said fluid outlet check valve is automatically closed and a metered amount of the liquid is drawn through said tubular piercing element and said opened fluid inlet check valve into said reservoir, said metering valve being further arranged so that when said bulb is compressed after the liquid is drawn into said reservoir said fluid outlet check valve is automatically opened to dispense a metered amount of the liquid through said outlet.