Method and apparatus for color matching of silicone sealants

摘要

Colored silicone sealant are made in an apparatus by (i) programming a central computer to control the operation of a mixing device and a plurality of dosing units actuated by a ball screw table/servo-motor mechanism; (ii) supplying sealant base and pigments to the dosing units; (iii) activating the ball screw table/servo-motor mechanism in response to signals from the computer; (iv) metering predetermined volumes of sealant base and pigments at a predetermined rate; (v) conveying metered portions to the mixing device; and (vi) dispensing colored silicone sealant into a cartridge.