Patent ID: 7284328

Claim:
A method for producing a roll for pulling a glass ribbon comprising: (a) providing a shaft, two fittings, and a plurality of heat-resistant discs, said discs comprising refractory ceramic fibers, mica, and a heat resistant binder; (b) assembling the plurality of heat-resistant discs on the shaft and compressing the discs between the fittings; and (c) monitoring the amount of force used in step (b) to compress the discs and adjusting the number of discs if said force is outside a predetermined range; wherein: (i) the roll has a roll surface, one or more portions of which are adapted to contact the glass ribbon during use of the roll; and (ii) the predetermined range in step (c) is selected so that the one or more portions have a Shore D hardness at room temperature of between 30 and 55.