C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 17/04 (2006.01) C03C 8/02 (2006.01) C03C 8/14 (2006.01)
Patent
CA 2340414
The invention relates to a decorated glass-ceramic plate, suitable in particular as a cooktop, comprising a glass-ceramic plate having a low coefficient of thermal expansion between ~ 15 x 10-7 K-1 (20-700 ~C) and a decoration on the surface of said plate. Characteristically, said decoration comprises a vitrified glass frit containing 10 to 35 % by weight of pigments and said decorated glass-ceramic cooktop has a modulus of rupture of at least 120 MPa. The invention also relates to a method of decorating glass-ceramic plates and to an enamel which is useful in particular for implementing said method.
Cette invention concerne une plaque vitro-céramique décorée, convenant en particulier comme plan de cuisson, qui comprend un plateau vitro-céramique caractérisé par un faible coefficient de dilatation thermique de ± 15 x10 ?-7¿ K?-1¿ (20-700·C) et une décoration de surface. De façon générale, cette décoration comprend une fritte de verre renfermant de 10 à 35 % en poids de pigments. La plaque de cuisson vitro-céramique décorée possède une résistance à la flexion d'au moins 120Mpa. L'invention concerne également un procédé de décoration des plaques vitro-céramiques et un émail utile en particulier pour la mise en oeuvre de ce procédé.
Beunet Lionel
Comte Marie
Papin Eric
Peschiera Sophie
Eurokera
Gowling Lafleur Henderson Llp
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