US Patent 8151838 Liquid dispensing system

The invention relates to a liquid dispensing system. The system includes a liquid dispensing apparatus (10, 50) having liquid dispensing nozzles (18) and containers (12, 52) that each have a one-way valve (30, 70) located in a charging opening defined in the base region thereof. A container is positionable on the apparatus with a dispensing nozzle penetrating the container via the charging opening and the one-way valve thereof, providing for bottom filling of the container and sealing of the charging opening by the one-way valve when the dispensing nozzle is retracted from the container.