Patent Number: 8,820,120

Title: Pull-rolls for use in glass manufacturing processes and methods for making the same

Abstract: Pulling rolls for used in forming glass ribbons with reduced defects and cracking are disclosed. In one embodiment, the pulling roll may include a shaft member and a roll assembly. The roll assembly may be positioned on the shaft member for rotation with the shaft member. The roll assembly may include an axially compressed stack of ring elements formed from an inorganic material such as mica paper. The mica paper may include layers of overlapping mica platelets oriented substantially in parallel with one another. A contact surface of the roll assembly may have a Shore D hardness greater than or equal to about 10 and less than or equal to about 60.

Inventors: Cook; Glen Bennett (Elmira, NY), Gallagher; Michael Thomas (Corning, NY), Johnson; Paul Oakley (Corning, NY), Klingensmith; Lewis Kirk (Corning, NY), Langensiepen; Ralph Alfred (Corning, NY), Wight, Jr.; John Forrest (Corning, NY)

Assignee: Corning Incorporated

International Classification: C03B 13/16 (20060101)

Expiration Date: 9/02/12018