Patent ID: 8783512

Claim:
A dosing spout for a container, comprising: an air inlet tube comprising a lumen therein; a liquid outlet tube comprising a lumen therein; a dosage control, the dosage control comprising a pinch valve constructed and arranged to first contact the air inlet tube and apply closing force to the air inlet tube to close the lumen of the air inlet tube and control liquid dosing through the liquid outlet tube by inhibiting air flow through the air inlet tube, wherein the pinch valve is constructed and arranged to subsequently contact the liquid outlet tube and apply closing force to the liquid outlet tube to close the lumen of the liquid outlet tube, and the pinch valve is constructed and arranged to relieve closing force on the air inlet tube and the liquid outlet tube to open the lumen of the air inlet tube and to open the lumen of the liquid outlet tube to allow flow of liquid through the liquid outlet tube.