Cooking device with a glass-ceramic panel providing a...

Details Cooking device with a glass-ceramic panel providing a... Cooking device with a glass-ceramic panel providing a...

2008-06-03

2008-06-03

Hug, Eric (Department: 1791)

Glass manufacturing

Processes

Devitrifying glass or vitrifying crystalline glass

Reexamination Certificate

active

07380415

ABSTRACT:
The glass ceramic panels are non-transparent and have at least one decoration. In order to fulfill the requirements for a glass ceramic panel that provides a cooking surface for a cooking unit in a variety of different pleasing colors, especially a creamy white color shade (BISQUE), in an economical manner, the glass ceramic panel has a predominant crystalline phase of keatite mixed crystals and a full-surface decorative coating that covers at least 80 percent of the upper smooth surface of the glass ceramic substrate. The full-surface decorative coating is provided in a different color from,the glass ceramic panel. Methods for making these glass ceramic panels are described.

REFERENCES:
patent: 5716712 (1998-02-01), Schonig et al.
patent: 6043171 (2000-03-01), Siebers et al.

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