On-line color monitoring and control system and method

Details On-line color monitoring and control system and method On-line color monitoring and control system and method

1998-03-20

2000-10-10

Evans, F. L.

Optics: measuring and testing

By shade or color

With color determination by light intensity comparison

356402, 8400, 366132, 250226, G01J 350

Patent

active

061307521

ABSTRACT:
An on-line color monitoring and control system and method includes feeding of colorant in a given amount or ratio in order to achieve a desired color of a product. The system and method described here achieve reliable on-line color control of synthetic fibers, single moving yarn (or fiber) or a collection of moving fibers. The color characteristic of the product is sensed and processed to generate a control signal for adjusting the amount of colorant being fed. Color measurement takes place either prior to or after spooling of the product.

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