Patent ID: 7310973

Claim:
An apparatus comprising a controller; a first color glass feeder having a first valve device, the first color glass feeder able to provide molten glass of a first color to a channel; wherein a communications link connects the first valve device to the controller; and wherein the controller can control the first valve device in order to control a first flow rate of molten glass of the first color provided to the channel; and further comprising a second color glass feeder having a second valve device, the second color glass feeder able to provide molten glass of a second color to the channel to incompletely mix with the molten glass of the first color so that discrete portions of the molten glass of the first color and of the second color can be seen; wherein a communications link connects the second valve device to the controller; and wherein the controller can control the second valve device in order to control a second flow rate of molten glass of the second color provided to the channel.