Patent Number:
10,029,936
Title:
Apparatus for forming glass with edge directors and methods
Abstract:
An apparatus for downwardly drawing glass ribbon comprises edge directors, wherein an outer portion defining a first pair of surfaces and a second pair of surfaces. In one example, the first and second pair of surfaces of each edge director includes a glass wettability with a static contact angle within a range of from about 30.degree. to about 60.degree.. In another example, the outer portion comprises a platinum alloy including from about 0.05 weight % tin to about 5 weight % tin. Methods for forming glass include the step of providing the edge director with a desired glass wettability and/or a desired platinum alloy.
Inventors:
Grzesik; Paul Richard (Canandaigua, NY), El Kahlout; Ahdi (Lexington, KY), LeBlond; Nicolas (Painted Post, NY), Peng; Gaozhu (Horseheads, NY), Womer; Kim E (Beaver Dams, NY)
Assignee:
Corning Incorporated
International Classification:
C03B 17/06 (20060101)
Expiration Date:
2022-07-24 0:00:00