Patent ID: 6130752
Filing Date: 2000-10-10
Classification: B01F,D01F,D06B,G01J

Abstract:
An on-line color monitoring and control system, comprising:feeder means for feeding colorant in a given amount in order to achieve a desired color of a product;mixer means for mixing said colorant in order to obtain said product;light source means for generating light and directing said light toward said product so as to produce reflected light from said product, and producing a reference light;sensor means responsive to said reflected light and said reference light for measuring an optical characteristic of said product and providing a color sensor output; andprocessing means for processing the color sensor output to generate at least one control signal for provision to said feeder means, whereby to adjust the given amount of colorant fed by said feeder means to said mixer means;wherein said product comprises one of a single moving fiber, a single moving yarn, a single moving filament of a yarn, and a collection of fibers.