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1. WO2020114958 - SURFACE-TEXTURED GLASS-CERAMIC ARTICLE AND PROCESS OF MANUFACTURE

Publication Number WO/2020/114958
Publication Date 11.06.2020
International Application No. PCT/EP2019/083287
International Filing Date 02.12.2019
IPC
C03B 13/08 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
13Rolling glass
08Rolling patterned sheets
C03C 10/00 2006.01
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
10Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
F24C 15/10 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
COTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
15Details
10Tops, e.g. hot plate; Rings
CPC
C03B 13/08
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
13Rolling ; molten; glass ; , i.e. where the molten glass is shaped by rolling
08Rolling patterned sheets ; , e.g. sheets having a surface pattern
C03C 10/00
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
10Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
F24C 15/10
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
COTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
15Details
10Tops, e.g. hot plate; Rings
Applicants
  • EUROKERA S.N.C. [FR]/[FR]
Inventors
  • GAYOUT, Patrick
  • SIEUTAT, Clément
  • ROUX, Nicolas
  • VILATO, Pablo
Agents
  • SAINT-GOBAIN RECHERCHE
Priority Data
187223703.12.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) SURFACE-TEXTURED GLASS-CERAMIC ARTICLE AND PROCESS OF MANUFACTURE
(FR) ARTICLE VITROCÉRAMIQUE À TEXTURATION DE SURFACE ET PROCÉDÉ DE FABRICATION
Abstract
(EN)
The invention relates to a glass-ceramic article comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate having, in at least one area of one face, surface texturing in the form of pyramidal patterns such that the root mean square slope (Rdq) of said patterns is at least 0.25 degrees and less than 3 degrees. The invention also relates to a process for manufacturing a glass-ceramic article, in which the patterns are formed by rolling the plate before ceramisation.
(FR)
La présente invention concerne un article vitrocéramique, comprenant au moins un substrat, tel qu'une plaque, en vitrocéramique, ledit substrat présentant en au moins une zone d'une face une texturation de surface sous forme de motifs pyramidaux tels que la pente moyenne quadratique (Rdq) desdits motifs est d'au moins 0.25 degrés et est inférieure à 3 degrés. L'invention concerne également un procédé de fabrication d'un article en vitrocéramique, dans lesquels les motifs sont formés par laminage de la plaque avant céramisation.
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