Patent ID: 6517232
Filing Date: 2003-02-11
Classification: B01F

Abstract:
A system, comprising:a first pump to meter colorant; a second pump in fluid communication with the output of the first pump and a water supply input to pressurize a mixture of water and colorant; a mixer body including a chamber with an inlet and an outlet and one or more liquid input ports in fluid communication with said second pump to receive the mixture under pressure, said chamber being configured to receive solid pieces through said inlet and to discharge the pieces through said outlet; a first rotary conveying member positioned in the chamber adapted to convey the solid pieces from the inlet toward the outlet; a second rotary conveying member positioned in the chamber to intermix the mixture and the solid pieces and to convey the solid pieces to the outlet; and one or more drivers operable to provide rotational mechanical power to rotate the first and second rotary conveying members at different speeds relative to one another.