Glass-ceramic article
AssigneeEurokera S.N.C.
InventorsNicolas Roux, Caroline Faillat, Amélie Bontemps, Thibault Guedon
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Abstract
The present invention relates to a glass-ceramic article comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being coated in at least one area with at least one enamel coating such that: 1) the enamel has a gloss at 60° of less than 40, 2) the coverage rate of said enamel in said area coated with said coating is 40 to 80%, 3) said enamel comprises pigments in the form of mica and/or aluminum oxide and/or silica particles coated with metal oxides or combinations of metal oxides, 4) said enamel has a roughness Ra greater than or equal to 0.4 μm, 5) said enamel has a roughness Rt greater than 4 μm.
Claims20
A glass-ceramic article, comprising:
- at least one substrate made of glass-ceramic, wherein said substrate is coated in at least one area with at least one enamel coating such that:
- 1) said enamel has a gloss at 60° of less than 40;
- 2) the coverage rate of said enamel in said area coated with said coating is 40 to 80%;
- 3) said enamel comprises reflective pigments in the form of a mixture of mica particles coated with TiO2, mica particles coated with Fe2O3, and mica particles coated with a TiO2—Fe2O3—SnO2 combination and/or aluminum oxide coated with metal oxides or combinations of metal oxides and/or silica particles coated with metal oxides or combinations of metal oxides;
- 4) said enamel has a roughness Ra of 0.4 μm-0.7 μm;
- and
- 5) said enamel has a roughness Rt of 4 μm-8 μm.
Dependencies are inferred from the claim text.