Patent ID: 7954673

Claim:
A dispensing system for a mixture having a plurality of components, the dispensing system comprising: a dispensing device; a plurality of component sources, each of the plurality of components associated with one of said plurality of component sources; a plurality of conduits coupled between respective component sources and the dispensing device; and a first valve coupled in the conduits between the component sources and the dispensing device, the first valve including: (i) a plurality of first inlet ports, each of said first inlet ports for a respective one of said plurality of components, (ii) a plurality of outlet ports, wherein a number of said outlet ports is equal to a number of said first inlet ports, and (iii) a second inlet port for a material for flushing the components from at least portions of their respective conduits and the mixture from the dispensing device, the first valve having a first state in which each of said first inlet ports is coupled to a respective one of said outlet ports to provide the components to the dispensing device, the first valve also having a second state in which the second inlet port for the material for flushing the plural components from at least portions of the respective conduits and the mixture from the dispensing device is coupled to each of the outlet ports.