Patent ID: 9290403
Filing Date: 2016-03-22
CPC Classification: C03B

Claim Text:
1. A method of controlling temperature of a glass ribbon in a draw process comprising: drawing a glass ribbon in a visco-elastic state in a down-draw direction through a draw apparatus having a plurality of roller pairs; heating the glass with a repositionable heater assembly, the repositionable heater assembly comprising: sensing an out-of-condition parameter of the glass ribbon in the draw apparatus with at least one out-of-condition parameter sensor communicatively coupled with the electronic controller, wherein the out-of-condition parameter comprises a width of the glass ribbon; and controlling the spacing distance between the heating elements of the first sled and the second sled and the glass ribbon with the electronic controller communicatively coupled to the first actuator and the second actuator when the out-of-condition parameter is detected.