Textured surface glass-ceramic article and manufacturing process
A glass-ceramic cooktop surface with a matte zone and protrusions addresses scratch and impurity issues, enhancing durability and visibility, and lowers production costs through a novel manufacturing process.
FR3170459A1Pending Publication Date: 2026-06-26EUROKERA SOC & NOM COLLECTIF
Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- EUROKERA SOC & NOM COLLECTIF
- Filing Date
- 2024-12-23
- Publication Date
- 2026-06-26
Smart Images
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Abstract
The present invention relates to a flat glass-ceramic article (1) for a cooking device, the article comprising a flat glass-ceramic substrate (2), the article (1) comprising a matte zone (4) formed by at least a portion of the substrate (2), the portion of the substrate (2) comprising a flat main face (3), the matte zone (4) also comprising protrusions, each protrusion being formed by a mineral material, the protrusions partially covering the flat main face (3), the matte zone (4) comprising an outer face formed by the flat main face (3) and by the protrusions, the outer face comprising a profile having a root mean square slope Rdq of between 2° and 20°, the root mean square slope Rdq being measured over a length of the portion of the outer face equal to 4 mm. Method of manufacturing the article. Figure for the abstract: Fig. 1
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