Patent ID: 8061566

Claim:
A dispensing device, comprising: a base plate, having an upstream side and a downstream side, and defining a liquid flow aperture therethrough; a lower member having a first extension portion and a flap of material integrally formed together; the flap of material being removably positionable over the liquid flow aperture and in sealing engagement with the downstream side of the base plate; an upper member having a second extension portion and a flexible pump housing integrally formed together; the flexible pump housing having an inner cavity and a flap contact surface on an inner wall, sealed to the downstream side of the base plate and positioned about the flap of material; the first extension portion and the second extension portion being mated together and defining an exit pathway therebetween; the flexible pump housing being configured to draw liquid from the upstream side of the base plate, through the liquid flow aperture and into the inner flow cavity; the flexible pump housing being further configured to urge liquid through the exit pathway when the flap contact surface of the flexible pump housing has pressed the flap of material against the downstream side of the base plate to seal the liquid flow aperture to prevent flow of liquid therethrough.