A glass ribbon formed in a forehand is fed onto the molten metal float bath. Both edges of the ribbon are maintained at a temperature lower that that of the centre part of the ribbon. The ribbon thus advances without a substantial change in thickness.
Origin
Unknown
Journal Title
Asahi Glass Co. Ltd. (U.S.P. 3 679 389, 25.7.72)
Sector
Primary Papers
Class
PP 253