Patent ID: 6494608
Filing Date: 2002-12-17
Classification: B01F

Abstract:
A system for the continuous and automatic production of a variety of different automotive and other paints, the system comprising:a tank, feeding lines and a feeding pump, the feeding lines feeding raw materials to the tank through the actior of the feeding pump; a device for determining the filling level of the tank and for stopping the feeding of raw materials when a given filling level has been reached; a low level control device which monitors when the tank has reached a given low level to turn on the feeding, pump to supply additional raw materials; a stirrer for homogenizing the raw materials in the tank, and including a sufficient number of the feeding lines to feed different raw materials to continuously and automatically fully complete the process of the production of a variety of paints, substantially without human intervention; a cleaning system for automatically circulating through all of the feeding lines and structural components of the system which contact the raw materials, a cleansing fluid which purges the raw materials associated with the production of a given paint before the commencement of the production of another paint; a circulatory system connected to supply resins to the tank through at least one of the feeding lines and for recirculation of the resins, the circulatory system comprising: a first loop comprising and connecting in a loop a resin dosing pump, a resin pipe, a resin control valve, and a returning feed pipe to the tank; a pressure control device for the first loop for controlling the on and off condition of the resin control valve of the first loop; a second loop comprising a second resin pipe, a second resin dosing pump, a resin flow meter and a diversive valve which circulates the resin through the second resin pipe, including by flowing the resin through a resin mixer; the second dosing pump having a variable rotation that allows a variable flow to reach specified quantities of the resin, dependent on corresponding formulas of paints, with the quantity of resin to be added in the resin mixer being controlled by a flow meter which controls the second dosing pump and which, as soon as the entirety of the quantity required resin is determined to have been introduced into the first circulatory system, closes off a resin tank.