Method of forming a glass sheet with a UV-base ceramic paint the

Details Method of forming a glass sheet with a UV-base ceramic paint the Method of forming a glass sheet with a UV-base ceramic paint the

1986-12-01

1987-08-04

Kellogg, Arthur

Glass manufacturing

Processes

Utilizing parting or lubricating layer

65 601, 65 605, 65 6052, 65106, C03B 23023, C03C 804

Patent

active

046843884

ABSTRACT:
This specification is directed to a method of forming a glass sheet with a UV-base ceramic paint thereon, the method having the following steps. A UV-base ceramic paint is applied to the glass sheet. The UV-base ceramic paint includes normal ceramic paint components along with, as a new component thereof, finely divided zinc metal powder and finely divided stannous oxide powder. The glass sheet is subjected to UV radiation and then heated to a temperature which softens the glass sheet sufficiently so that the glass sheet can be formed. The glass sheet and the ceramic paint thereon are engaged with a fiberglass covered forming die to form the heated glass sheet to a desired shape. The forming die is removed from engagement with the glass sheet. The finely divided zinc metal powder and finely divided stannous oxide powder addition to the ceramic paint is credited with being effective to prevent sticking of any of the ceramic paint to the forming die. The glass sheet is cooled to obtain a formed glass sheet with a ceramic paint thereon.

REFERENCES:
patent: 4144362 (1979-03-01), Larkin
patent: 4329379 (1982-05-01), Terneu et al.
patent: 4596590 (1986-06-01), Boaz

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