Method of making staged burnout enamels for second surface...

Details Method of making staged burnout enamels for second surface... Method of making staged burnout enamels for second surface...

2005-05-18

2010-11-16

Hoffmann, John (Department: 1791)

Glass manufacturing

Processes

Utilizing parting or lubricating layer

C065S033400, C065S033600, C065S060530, C065S060510, C065S106000, C501S004000, C501S005000, C501S017000, C501S018000

Reexamination Certificate

active

07832233

ABSTRACT:
The present invention provides a method of making a decorated multilayer glass structure using a single firing step that includes that use of a crystallizing glass enamel composition that contains ingredients to ensure the complete burnout of the organic portion of the composition upon firing and bending of a mated pair of glass sheets. A benefit of the composition is that when applied to one sheet of a mated pair of glass sheets, it burns out completely during firing and bending of the pair. The presence of high levels of oxidizers in the composition ensures a supply of oxygen to enable combustion of the organic vehicle while firing the glass sheets and prior to the sintering of the enamel composition to only one glass sheet in a mated pair of decorated or colored glass sheets.

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