A mineral substrate includes, on at least one of the surfaces thereof, an inorganic enamel capable of withstanding metallic friction. The inorganic enamel has a total roughness less than or equal to 2 μm, and the edge of the inorganic enamel projecting from the surface of the glass-ceramic substrate has a topographic slope value, expressed as a percentage, less than or equal to 1.4%.
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
B41M 5/00 - Duplicating or marking methodsSheet materials for use therein
A glass-ceramic article includes at least one substrate, such as a plate, made of glass-ceramic material, the substrate being coated on its lower face, in at least one zone, with at least one fibrous structure including a resin.
C03C 10/00 - Devitrified 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
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/32 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments
The invention relates to a lithium aluminosilicate-type glass-ceramic plate characterized in that it has a chemical composition comprising the following constituents, within the limits defined below expressed in weight percent
SnO2 0.05 to <0.35%
V2O5 0.05 to 0.40%
Fe2O3 >0.30 to 0.40%
Cr2O3 0.005 to 0.040%.
C03C 10/00 - Devitrified 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
C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
The invention relates to a glass or glass-ceramic plate comprising a glass or glass-ceramic substrate coated with a metal-oxide-based coating, characterized in that said coating has a coverage rate of 25% to 90% and the coated plate has a roughness RSm less than or equal to 300 μm, preferably less than or equal to 250 μm.
C03C 17/25 - Oxides by deposition from the liquid phase
C03C 10/00 - Devitrified 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
5.
GLASS-CERAMIC ARTICLE AND METHOD FOR MANUFACTURING SUCH AN ARTICLE
A planar glass-ceramic article has a first main surface, a second main surface, and an edge. At least one of the two main surfaces of the glass-ceramic article has an intrinsic texture, the hybrid root-mean-square roughness RMS of which is between 4.4° and 11°. The invention also relates to a manufacturing method for obtaining such a glass-ceramic article.
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03C 19/00 - Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
C03C 10/00 - Devitrified 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
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 10/00 - Devitrified 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
The invention relates to a glass or glass-ceramic plate comprising a glass or glass-ceramic substrate coated with a metal-oxide-based coating, characterized in that said coating has a coverage rate of 25% to 90% and the coated plate has a roughness RSm less than or equal to 300 µm, preferably less than or equal to 250 µm.
A glass-ceramic article includes at least one substrate, such as a plate, made of glass-ceramic, the substrate having a face including a microtexturing such that the arithmetic mean surface roughness Ra, measured according to standard ISO 4287, is between 0.14 and 0.40 μm, and the total roughness, Rt, measured according to standard ISO 4287, is between 1.15 and 5.00 μm.
B24B 7/24 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfacesAccessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
C03C 10/00 - Devitrified 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
9.
TRANSPARENT B-QUARTZ GLASS-CERAMICS WITH SPECIFIC TRANSMISSION
The present invention relates to a transparent lithium aluminosilicate (LAS) glass-ceramic containing a β-quartz solid solution as the main crystalline phase, the composition of which, expressed in percentages by mass of oxides, contains 60 to 67.5% SiO2, 18 to 22% Al2O3, 2.5 to 3.3% Li2O, 0 to 1.5% MgO, 1 to 3.5% ZnO, 0 to 4% BaO, 0 to 4% SrO, 0 to 2% CaO, 3.1 to 5% TiO2, 0.4 to 1.3% ZrO2, 0 to 1% Na2O, 0 to 1% K2O, 0 to 5% P2O5, 0.02 to 0.1% CoO, 0.05 to 0.25% Fe2O3, with (0.74 MgO + 0.19 BaO + 0.29 SrO + 0.53 CaO + 0.48 Na2O + 0.32 K2O) / Li2O < 0.8, and optionally up to 2% of at least one refining agent, the composition being free of V2O5 with the exception of unavoidable traces. It also relates to an article, consisting at least in part of a glass-ceramic, chosen in particular from a cooking plate and a glazing. It also relates to a lithium aluminosilicate glass, precursor of the glass-ceramic, and the process for producing the article.
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/078 - Glass compositions containing silica with 40% to 90% silica by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
10.
ENAMELLED MINERAL SUBSTRATE AND METHOD FOR MAKING SAME
Disclosed is a mineral substrate comprising, on at least one of the surfaces thereof, an inorganic enamel capable of withstanding metallic friction. The inorganic enamel has a total roughness less than or equal to 2 ?m, and the edge of the inorganic enamel projecting from the surface of the glass-ceramic substrate has a topographic slope value, expressed as a percentage, less than or equal to 1.4%.
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 8/02 - Frit compositions, i.e. in a powdered or comminuted form
C03C 8/16 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions with vehicle or suspending agents, e.g. slip
C03C 8/20 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions containing titanium compoundsGlass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions containing zirconium compounds
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
11.
ENAMELLED MINERAL SUBSTRATE AND METHOD FOR MAKING SAME
Disclosed is a mineral substrate comprising, on at least one of the surfaces thereof, an inorganic enamel capable of withstanding metallic friction. The inorganic enamel has a total roughness less than or equal to 2 μm, and the edge of the inorganic enamel projecting from the surface of the glass-ceramic substrate has a topographic slope value, expressed as a percentage, less than or equal to 1.4%.
C03C 8/20 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions containing titanium compoundsGlass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions containing zirconium compounds
C03C 8/00 - EnamelsGlazesFusion seal compositions being frit compositions having non-frit additions
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 8/02 - Frit compositions, i.e. in a powdered or comminuted form
C03C 8/16 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions with vehicle or suspending agents, e.g. slip
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
A method for the manufacture of a worktop formed of at least one glass-ceramic substrate with a surface area of greater than 0.7 m2 in which at least one cycle of ceramization of a glass plate with a surface area of greater than 0.7 m2 is carried out in a manner where the rate of passage is reduced or the length of the ceramization furnace or the residence time in said furnace is increased.
A47B 96/18 - Tops specially designed for working on
C03C 10/00 - Devitrified 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
A process for the manufacture of a glass-ceramic article exhibiting properties of resistance to scratches, greasy marks, adhesion of dirt and light scattering. The glass-ceramic article includes a surface, the surface arithmetic roughness of which is between 2 μm and 7 μm and the roughness being obtained using a chemical surface treatment. The glass-ceramic article is particularly suitable for use as a cooking surface and/or as surface for the preparation of foodstuffs.
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03C 10/00 - Devitrified 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
A glass-ceramic article, includes at least one substrate, such as a plate, made of glass-ceramic, the substrate being coated in at least one zone with at least one stack formed 1) of at least one first layer of metal nitride or of semimetal nitride, the first layer exhibiting a thickness of at least 200 nm and a hardness of at least 14 GPa, and 2) of at least one second layer of metal oxide or of semimetal nitride, the second layer exhibiting a thickness of less than 14 nm and exhibiting a coefficient of friction of less than 0.25, the first and second layers being in contact with each other, the second layer being further from the substrate than the first layer.
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
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 on its lower face, in at least one zone, with at least one fibrous structure comprising a resin. The glass-ceramic article thus exhibits markedly improved impact resistance.
C03C 10/00 - Devitrified 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
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/32 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments
C03C 25/1025 - Coating to obtain fibres used for reinforcing cement-based products
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
The present invention provides an aluminoborosilicate glass of composition, expressed as percentages by weight of oxides, containing: 60% to 70% of SiO2, 13% to 20% of Al2O3, 1% to 9% of B2O3, 0 to 3% of P2O5, 0.5% to 4% of MgO, 1% to 4% of BaO, 0 to 3% of CaO, 0 to 3% of SrO, 2% to 10% of ZnO, 0 to 2% of Li2O, 0 to 2% of Na2O, 0 to 2% of K2O, 0.1% to 3% of CuO, optionally up to 1% of at least one fining agent; and optionally up to 2% of at least one coloring agent other than CuO, with MgO+BaO+CaO+SrO<6%, 0.2%
The present invention relates to an article, especially a cooktop or a furniture element, comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being coated in at least one zone with a paint comprising at least:
1) a silicone resin comprising methyl and phenyl group(s),
2) a silicone resin comprising methyl group(s) and devoid of phenyl group(s),
3) one or more lamellar inorganic fillers with a thickness of less than 2 μm and with lateral dimensions, for at least 80% by weight of said fillers, of less than 10 μm, including talc and/or one or more carbonates,
4) one or more black pigments.
The present invention relates to an article, especially a cooktop or a furniture element, comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being coated in at least one zone with a paint comprising at least:
1) a silicone resin comprising methyl and phenyl group(s),
2) a silicone resin comprising methyl group(s) and devoid of phenyl group(s),
3) one or more lamellar inorganic fillers with a thickness of less than 2 μm and with lateral dimensions, for at least 80% by weight of said fillers, of less than 10 μm, including talc and/or one or more carbonates,
4) one or more black pigments.
The present invention also relates to a process for obtaining said article.
C09D 143/04 - Homopolymers or copolymers of monomers containing silicon
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
The present invention relates to an article, especially a cooktop or a furniture element, comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being coated in at least one zone with a paint comprising at least:
1) a silicone resin comprising methyl and phenyl groups,
2) one or more lamellar inorganic fillers with a thickness of less than 2 μm and with lateral dimensions, for at least 80% by weight of said fillers, of between 10 μm and 65 μm, including at least: 2a) mica(s), and 2b) talc and/or one or more carbonates,
3) one or more black pigments.
The present invention relates to an article, especially a cooktop or a furniture element, comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being coated in at least one zone with a paint comprising at least:
1) a silicone resin comprising methyl and phenyl groups,
2) one or more lamellar inorganic fillers with a thickness of less than 2 μm and with lateral dimensions, for at least 80% by weight of said fillers, of between 10 μm and 65 μm, including at least: 2a) mica(s), and 2b) talc and/or one or more carbonates,
3) one or more black pigments.
The present invention also relates to a process for obtaining said article.
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
An item, in particular for domestic and/or furniture use, in particular a countertop or furniture unit, includes a carcass on which a glass-ceramic assembly is arranged, the glass-ceramic assembly including a glass-ceramic plate and an electronic module including at least one heating element, the carcass including a support surface on which the glass-ceramic plate is placed and fastened and a housing in which the heating element is arranged, wherein the glass-ceramic plate bears a fastening system for reversibly fastening it to the carcass.
A47B 77/08 - Provision for particular uses of compartments or other parts for incorporating apparatus operated by power, including water powerProvision for particular uses of compartments or other parts for incorporating apparatus for cooking, cooling, or laundry purposes
A47B 77/02 - General layout, e.g. relative arrangement of compartments, working surface or surfaces, supports for apparatus
21.
TRANSPARENT BETA-QUARTZ GLASS CERAMICS WITH A LOW LITHIUM CONTENT
The present applicationprovides transparent glass-ceramics of lithium aluminosilicate type, of β-quartz, the composition of which contains a low content of lithium, articles constituted at least in part by said glass-ceramics, precursor glasses for said glass-ceramics, and also a method of preparing said articles. Said glass-ceramics have a composition, expressed in percentages by weight of oxide, containing63% to 67.5% of SiO2; 18% to 21% of Al2O3; 2% to 2.9% of Li2O; 0 to 1.5% of MgO; 1% to 3.2% of ZnO; 0 to 4% of BaO; 0 to 4% of SrO; 0 to 2% of CaO; 2% to 5% of TiO2; 0 to 3% of ZrO2; 0 to 1% of Na2O; 0 to 1% of K2O; 0 to 5% of P2O5; with (0.74 MgO+0.19 BaO+0.29 SrO+0.53 CaO+0.48 Na2O+0.32 K2O)/Li2O<0.9; optionally up to 2% of at least one fining agent; and optionally up to 2% of at least one coloring agent.
C03C 10/00 - Devitrified 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
C03C 1/00 - Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels
C03C 1/04 - Opacifiers, e.g. fluorides or phosphatesPigments
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
The present invention relates to a glass-ceramic article comprising at least one substrate, such as a plate, made of glass-ceramic, the substrate having a face comprising a microtexturing such that the arithmetic mean surface roughness, Ra, measured according to standard ISO 4287, is between 0.14 and 0.40 µm, and preferably the total roughness, Rt, measured according to standard ISO 4287, is between 1.15 et 5.00 µm. The invention thus allowed the development of a glass-ceramic product, the upper surface of which masks the glass defects that can be produced during the manufacturing process and wherein the scratches generate only a very low variation in brightness; while meeting the constraints.
C03C 19/00 - Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
B24B 7/24 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfacesAccessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
B24B 7/26 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfacesAccessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass for simultaneously grinding or polishing opposite faces of continuously travelling sheets or bands of glass
B24B 19/00 - Single purpose machines or devices for particular grinding operations not covered by any other main group
B24B 29/00 - Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
The invention relates to a method for manufacturing a glass-ceramic article having anti-scratch, anti-grease, anti-soiling and anti-light scattering properties. The glass-ceramic article comprises a surface whose arithmetic surface roughness is between 2 µm and 7 µm, preferably greater than 2 µm and less than 6 µm, preferably between 3 µm and 6 µm, in particular between 3 µm and 5 µm, the roughness being obtained using a chemical surface treatment. The glass-ceramic article is particularly suitable for use as a cooking and/or food preparation surface.
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
C03C 10/00 - Devitrified 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
C03C 10/00 - Devitrified 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
C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
A47J 36/04 - Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
A47J 36/02 - Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
26.
MINERAL INK FOR INKJET PRINTING ON A MINERAL SUBSTRATE
A mineral ink for inkjet printing on a mineral substrate, includes a glass frit, an organic solvent, a dispersant, a surfactant and a glass fit including the following constituents in the weight limits defined below expressed as percentages by weight of the glass frit: 35 to 50% of SiO2, 15 to 25% of Al2O3, 1.5 to 4% of Li2O, 22 to 32% of B2O3, 0 to 2% of Na2O, 2 to 5% of K2O, 1 to 5% of CaO, 1 to 4% of ZrO2.
C03C 8/02 - Frit compositions, i.e. in a powdered or comminuted form
C03C 8/16 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions with vehicle or suspending agents, e.g. slip
C03C 8/20 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions containing titanium compoundsGlass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions containing zirconium compounds
C03C 3/064 - Glass compositions containing silica with less than 40% silica by weight containing boron
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 10/00 - Devitrified 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
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
B41M 5/00 - Duplicating or marking methodsSheet materials for use therein
27.
Glass-ceramic plate for fireplace insert and manufacturing process
3. a second metal nitride layer of thickness comprised in the range from 10 nm to 100 nm.
The present invention also relates to a process for obtaining said plate, as well as a device incorporating said plate.
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
C03C 10/00 - Devitrified 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
C03C 14/00 - Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
The 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 layer containing silicon zirconium nitride, SixZryNz, at an atomic ratio of Zr to the sum Si + Zr, y/(x + y), of 10% to 90%, preferably 15% to 50%, and in particular 28% to 33%.
The present invention relates to a glass-ceramic item comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being coated in at least one zone with at least one stack formed - 1) of at least one layer of metal nitride or metalloid nitride, said layer having a thickness of at least 200 nm, preferably at least 700 nm, and in particular at least 1 pm and a hardness of at least 14 GPa, and - 2) of at least one layer of metal oxide or metalloid nitride, said layer having a thickness of less than 14 nm, preferably between 1 and 10 nm, and having a coefficient of friction of less than 0.25, said layers 1 and 2 being in contact with one another, layer 2 being further from the substrate than layer 1.
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
31.
Glass-ceramic plate comprising a liquid-retaining bead
A glass-ceramic plate for a cooking device includes a first main face to be in contact with liquids, a second main face and an edge, a liquid-retaining bead fastened to and in contact with the first main face, wherein the retaining bead surrounds a region of the first main face so as to form a liquid-retaining reservoir, and includes at least two hydrophobic sub-beads inscribed within one another and separated by hydrophilic zones, a width of the hydrophilic zone between two consecutive sub-beads is throughout at least greater than 500 μm and less than a threshold value, the threshold value being defined so that, when a liquid is present in the hydrophilic zone, a variation in the retention time or volume of the liquid before overflowing, relative to a same liquid present in a hydrophilic zone, the width of which is greater than the value, is less than 5%.
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
F24C 7/08 - Arrangement or mounting of control or safety devices
The present invention relates to an article, in particular a cooking hob or a furniture element, comprising at least one glass-ceramic substrate, such as a plate, the substrate being coated in at least one area with a paint comprising at least: - 1) a silicone resin with methyl and phenyl groups, - 2) one or more lamellar mineral fillers having a thickness of less than 2 μm and lateral dimensions ranging, for at least 80% by weight of the fillers, between 10 µm and 65 µm, including at least: - 2a) one or more micas, and 2b) talc and/or one or more carbonates, - 3) one or more black pigments. The present invention also relates to a method for producing such an article.
The present invention relates to an item, in particular a cooking plate or a piece of furniture, comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being coated in at least one area with a paint comprising at least: -1) a silicone resin with methyl group(s) and phenyl group(s), -2) a silicone resin with methyl group(s) and no phenyl group(s), -3) one or more lamellar mineral fillers with a thickness of less than 2 µm and with lateral dimensions, for at least 80% by weight of said fillers, of less than 10 µm, including talc and/or one or more carbonates, -4) one or more black pigments. The present invention also relates to a method for obtaining said item.
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
C03C 10/00 - Devitrified 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
C03C 4/02 - Compositions for glass with special properties for coloured glass
C03C 1/04 - Opacifiers, e.g. fluorides or phosphatesPigments
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
A glass ceramic item, intended in particular for use with at least one light source and/or at least one heating element, includes at least one substrate, such as a plate, made of glass ceramic, and having at least one light region. The substrate is coated with respect to the region with a paint consisting of at least one silicone resin and pigment(s). The content of the pigment(s) are greater than or equal to 1% and less than 10% by weight of the paint. A method for producing such an item is also included.
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/25 - Oxides by deposition from the liquid phase
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
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.
C03C 10/00 - Devitrified 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
The present invention relates to an article, in particular for domestic and/or furniture use, in particular a worktop or furniture, comprising a casing (2), on which a glass-ceramic assembly is arranged, said glass-ceramic assembly comprising a glass-ceramic plate (4) and an electronic module (7) comprising at least one heating element (8), said casing comprising a bearing surface, on which the glass-ceramic plate is placed and fixed, and a housing, in which said heating element is arranged, characterized in that said glass-ceramic plate carries fixing means for reversibly fixing (100) it to said casing.
C03C 10/00 - Devitrified 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
C03C 1/00 - Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels
C03C 10/14 - Silica crystalline phase, e.g. stuffed quartz, cristobalite
C03C 4/02 - Compositions for glass with special properties for coloured glass
C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
C03C 10/00 - Devitrified 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
40.
Glass-ceramic glass article and method for obtaining same
A glass, in particular glass-ceramic, article, which is intended in particular to be used with at least one heating element, is formed of at least one substrate, such as a glass-ceramic plate. The substrate is at least partly coated with at least one layer of ink, which is advantageously deposited by inkjet printing. The ink is formed of nanoscale pigments and of at least one silicone binder. The layer of ink is coated with at least one layer of silicone-based paint. The layer of paint advantageously is deposited in the form of a flat tint, in particular by screen printing, and preferably being opacifying.
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 10/00 - Devitrified 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 15/04 - Doors specially adapted for stoves or ranges with transparent panels
C03C 10/00 - Devitrified 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
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
C03C 8/02 - Frit compositions, i.e. in a powdered or comminuted form
42.
GLASS-CERAMIC PLATE FOR FIREPLACE INSERT AND MANUFACTURING PROCESS
The present invention relates to a plate, intended to equip apparatuses of fireplace insert, stove, fireplace, boiler, heating apparatus, furnace or equivalent type and/or to act as a fire screen, said plate being formed of at least one glass-ceramic substrate coated, on at least one of its faces, with the following stack of layers: 1) a first layer of metal nitride with a thickness within a range extending from 5 nm to 50 nm, 2) a layer of indium tin oxide less than 100 nm thick, 3) a second layer of metal nitride with a thickness within a range extending from 10 nm to 100 nm. The present invention also relates to a process for obtaining said plate, and also to a device integrating said plate.
C03C 10/00 - Devitrified 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
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
C03C 17/36 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
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 zone with at least one enamel coating, such that: 1) the enamel has a 60° gloss value of less than 40; 2) the percentage of enamel coverage in the area coated with the coating is between 40 and 80%; and 3) the enamel preferably 3a) is free of pigments in the form of particles of mica or aluminium oxide or silica, which are coated with metal oxides or combinations of metal oxides, and 3b) has a roughness Ra greater than or equal to 0.4 μm and/or a lightness L * greater than 50.
C03C 3/064 - Glass compositions containing silica with less than 40% silica by weight containing boron
C03C 3/066 - Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 10/00 - Devitrified 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
C03C 14/00 - Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
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 zone with at least one enamel coating, such that: 1) the enamel has a 60° gloss value of less than 40; 2) the percentage of enamel coverage in the area coated with the coating is between 40 and 80%; 3) the enamel comprises pigments in the form of particles of mica and/or aluminium oxide and/or silica, which are coated with metal oxides or combinations of metal oxides; 4) the enamel has a roughness Ra greater than or equal to 0.4 μm; and 5) the enamel has a roughness Rr greater than 4 μm.
C03C 3/064 - Glass compositions containing silica with less than 40% silica by weight containing boron
C03C 3/066 - Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 10/00 - Devitrified 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
C03C 14/00 - Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
L of greater than 60% and/or an opacity indicator of less than 85. The item of equipment also includes a heating element and a light source to mark one or more zones or one or more elements or displays of the substrate. The item of equipment also includes at least one interface for communication with at least one element of the worktop and/or with at least one external element for wireless communication.
A47B 96/18 - Tops specially designed for working on
C03C 10/00 - Devitrified 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
The present invention relates to a novel glass-ceramic sheet intended in particular to be used as a surface of a furniture unit and/or as a worktop, and which comprises, in at least one of its faces, in particular its lower face, at least one connection element of a height less than 10 cm and of which the cross section is inscribed inside a circle of a diameter less than 3 cm, said connection element being made from a material able to withstand at least 70° C. and being bonded to said face by means of a thermosetting adhesive.
The present invention also relates to an item of furniture and/or household equipment, and in particular a worktop or a furniture unit incorporating said sheet.
The present invention relates to a glass-ceramic article, intended in particular to be used with at least one light source and/or at least one heating element, said article comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being at least partially provided, in particular coated, with at least one nano-wrinkled layer. The present invention also relates to a method for obtaining said article.
A worktop or furniture unit, made up of at least one glass ceramic sheet and elements for its operation, at least one of said elements being positioned on a two-dimensional or three-dimensional mobile support coupled to a circuit breaker, so that, when the support is in a first position, said element lies facing one face of the sheet at a distance from the sheet and can be activated, and, when the support is in a second position, obtained by a movement thereof, in which position at least one of the ends of the support is moved by, or lies at, a distance with respect to the sheet and perpendicular thereto and is moved by, or lies at, a distance with respect to its first position, said element is deactivated.
A47B 77/08 - Provision for particular uses of compartments or other parts for incorporating apparatus operated by power, including water powerProvision for particular uses of compartments or other parts for incorporating apparatus for cooking, cooling, or laundry purposes
F24C 15/30 - Arrangements for mounting stoves or ranges in particular locations
A novel glass-ceramic sheet intended in particular to be used as a surface of a furniture unit or as a worktop, the sheet includes, in at least one of its faces, at least one connection element of a height less than 10 cm and of which the cross section is inscribed inside a circle of a diameter less than 3 cm, the connection element being made from a material able to withstand at least 70° C. and including at least one fixing system allowing fixing along at least two axes or in two movements in particular obtained by at least two different translational or rotational movements or able to exert a force directed toward the glass-ceramic sheet. A worktop or a furniture unit incorporating the sheet, and to a method for mounting accessories or elements that are to be added to said sheet.
The invention relates to a method of texturing a glass-ceramic sheet by means of a laser, involving: providing a monolithic glass-ceramic sheet that has a smooth front face and a rear face with a textured surface including primary projections; positioning said glass-ceramic sheet on a support, said support being reflective on at least one section of its surface; and texturing a zone of the front face of said glass-ceramic sheet with laser radiation. The invention also relates to a textured glass-ceramic sheet that can be obtained using this method.
The invention relates to a method for laser-treating a glass-ceramic sheet, involving: providing a mass-coloured, monolithic glass-ceramic sheet; positioning said glass-ceramic sheet on a support; and treating the glass-ceramic sheet with laser radiation; characterised in that said support comprises a first surface zone which reflects the laser radiation and a second surface zone which absorbs the laser radiation, and in that the glass-ceramic sheet moves, on the support, with regard to the laser radiation. The invention also relates to a monolithic glass-ceramic sheet that can be obtained using this method.
The present invention relates to a glass-ceramic plate comprising a liquid-retaining bead. The glass-ceramic plate (100) for a cooking device comprises: - a first main face (101) capable of being in contact with liquids when the plate is being used, a second main face and an edge, and - a liquid-retaining bead (103) fastened to and in contact with said first main face (101). The retaining bead (103) surrounds at least one region (104) of said first main face so as to form a liquid-retaining reservoir, and comprises at least two hydrophobic sub-beads (103a-b) inscribed in one another and separated by hydrophilic zones (303), the width of the hydrophilic zone between two consecutive sub-beads is everywhere between 500 µm and 2.5 cm.
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
A novel glass ceramic sheet intended in particular to be used as the surface of a furniture unit or as a worktop, the sheet including, at least in one of its faces, in particular its lower face, at least one connection element of a height less than or equal to 10 cm, the connection element including at least one part that is magnetized or at least one part made of a material capable of being attracted by a magnet. Furniture or a household equipment incorporating the glass ceramic sheet.
A method for preparing an article, the structure of which comprises a substrate of a glass or a glass-ceramic and a coating fixed to at least one portion of the surface of the substrate. In a characteristic way, the coating is generated from at least one loaded polysilsesquioxane resin; the at least one polysilsesquioxane resin not containing any aryl radical in its structure.
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
L of greater than 60% and/or an opacity indicator of less than 85. The item of equipment also includes at least one heating element and at least one interface for communication with at least one element of the worktop and/or with at least one external element for wireless communication. The item of equipment is devoid of light source(s).
A47B 96/18 - Tops specially designed for working on
C03C 10/00 - Devitrified 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
The present invention relates to a method for manufacturing a lithium aluminosilicate glass product suitable for the manufacture of glass-ceramic products. The method comprises the following steps: a. melting a batch formulation of raw materials free from arsenic oxides and antimony oxides, with the exception of unavoidable traces, b. refining the melt, c. cooling said melt to form a glass, d. shaping said glass, said method being characterised in that the batch formulation of raw materials comprises petalite having a mass fraction of total iron, expressed as Fe2O3, less than or equal to 200 ppm.
C03C 1/00 - Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 10/00 - Devitrified 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
57.
Transparent, essentially colorless, tin-fined las glass-ceramics with improved microstructure and thermal expansion properties
3; and their crystallites, present in said β-quartz solid solution, have an average size of less than 40 nm, advantageously less than 35 nm, very advantageously less than 30 nm.
C03C 10/00 - Devitrified 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
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
The present invention relates to a glass ceramic item, intended in particular for use with at least one light source and/or at least one heating element, said item comprising at least one substrate, such as a plate, made of glass ceramic, and having at least one light region, said substrate being coated with respect to said region with a paint consisting of at least one silicone resin and pigment(s), the content of the pigment(s) being greater than or equal to 1% and less than 10% by weight of the paint. The present invention also relates to a method for producing such an item.
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/25 - Oxides by deposition from the liquid phase
C03C 17/30 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
L of less than 10%. The item of equipment also includes at least one heating element and at least one interface for communication with at least one element of the worktop and/or with at least one external element for wireless communication. The item of equipment is devoid of light source(s).
A47B 77/02 - General layout, e.g. relative arrangement of compartments, working surface or surfaces, supports for apparatus
C03C 10/00 - Devitrified 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
The present invention concerns a glass-ceramic glass article, in particular intended to be used with at least one heating element, said article being formed from at least one substrate, such as a glass-ceramic plate, said substrate being at least partially coated with at least one layer of ink, advantageously deposited by inkjet, said ink being formed from nanoscale pigments and at least one silicone binder, said layer of ink being coated with at least one layer of silicone-based paint, said layer of paint being advantageously deposited in the form of a flat tint, in particular by screen printing, and preferably being opacifying. The invention also relates to a method for obtaining said article.
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 10/00 - Devitrified 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
C03C 17/42 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating of an organic material and at least one non-metal coating
F24C 15/02 - Doors specially adapted for stoves or ranges
The present invention relates to a new glass-ceramic plate for use, in particular, as a furniture surface and/or a worktop, and comprising, on at least one of its faces, in particular its underside, at least one connection element that is less than 10 cm in height, the cross-section of which can be inscribed in a circle of less than 3 cm in diameter, said connection element being composed of a material that is resistant to at least 70°C and being bonded to said face with a thermosetting adhesive. The invention also concerns a furniture and/or household equipment, in particular a worktop or a piece of furniture incorporating said plate.
The present invention relates to a new glass-ceramic plate for use, in particular, as a furniture surface and/or a worktop, and comprising, on at least one of its faces, in particular its underside, at least one connection element that is less than 10 cm in height, the cross-section of which can be inscribed in a circle of less than 3 cm in diameter, said connection element being composed of a material that is resistant to at least 70°C and having at least one attachment system enabling attachment along at least two axes and/or via at least two movements, in particular via at least two different translational and/or rotational movements, and/or capable of exerting a force directed towards the glass-ceramic plate. The invention also concerns a furniture and/or household equipment, in particular a worktop or a piece of furniture incorporating said plate, as well as a method for mounting accessories or components to be fitted to said plate.
The present invention relates to an item, particularly a worktop or an item of furniture, formed from at least one vitreous ceramic plate and of elements for operating it, at least one of the said elements being positioned on a mobile two-dimensional or three-dimensional support coupled to a circuit breaker so that when the support is in a first position the said element faces one face of the plate from a distance of at most 10 cm from the plate and can be activated, and in a second position of the support, which position is obtained by movement of this support, in which at least one of the ends of the support is moved by, or finds itself at, a distance of at least 2 mm with respect to the plate perpendicular to the latter and is moved by, or finds itself at, a distance of at least 5 cm away from its first position, the said element is deactivated.
A47B 77/08 - Provision for particular uses of compartments or other parts for incorporating apparatus operated by power, including water powerProvision for particular uses of compartments or other parts for incorporating apparatus for cooking, cooling, or laundry purposes
F24C 15/30 - Arrangements for mounting stoves or ranges in particular locations
The invention relates to a novel glass ceramic plate, intended in particular for use as a furniture surface and/or worktop, and comprising, on at least one of the faces of same, in particular the lower surface of same, at least one connection element having height less than or equal to 10 cm, said connection element comprising at least one magnetised portion or at least one portion made from a material capable of being attracted by a magnet. The present invention also relates to an item of furniture and/or household equipment, and in particular a worktop or an item of furniture incorporating said plate.
C03C 10/00 - Devitrified 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
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
Methods, compositions, and articles provide for LAS-type glass-ceramics having specific thermo-mechanical, optical and coloration characteristics to yield generally brown-grey products. The glass-ceramic materials may include as colorants iron oxide, vanadium oxide, chromium oxide, cobalt oxide, nickel oxide and/or cerium oxide.
C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
C03C 10/12 - Lithium aluminosilicate, e.g. spodumene, eucryptite
C03C 10/00 - Devitrified 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
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 4/02 - Compositions for glass with special properties for coloured glass
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
The present invention concerns a piece of furniture and/or household equipment, that is advantageously interactive, comprising: - at least one worktop formed from at least one substrate made from monolithic glass material having a surface area greater than 0.7 m2, said substrate having brightness L* less than 10, haze less than 30%, and light transmission TL less than 10%, - at least one light source, in particular intended to produce one or more areas or one or more elements or displays of the substrate, said source being located, in particular, under the substrate and being concealed by same when said source is switched off, - at least one interface for communication with at least one element of the worktop such as the light source or sources, and/or if applicable with at least one external element for wireless communication, said equipment being further free of heating elements.
A47B 96/18 - Tops specially designed for working on
C03C 10/00 - Devitrified 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
G09F 9/302 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
The present invention concerns a piece of furniture and/or household equipment, that is advantageously interactive, comprising: - at least one worktop formed from at least one substrate made from monolithic glass material having a surface area greater than 0.7 m2, said substrate having brightness L* greater than 10, light transmission TL less than 60%, an opacity indicator greater than 30 and, if applicable, haze great than 15% - at least one light source, in particular intended to produce one or more areas or one or more elements or displays of the substrate, in particular by projection, said source being located, for example, perpendicular to the substrate, - at least one interface for communication with at least one element of the worktop such as the light source or sources, and/or if applicable with at least one external element for wireless communication, said equipment being further free of heating elements.
C03C 10/00 - Devitrified 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
A47B 96/18 - Tops specially designed for working on
G09F 9/302 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
The present invention concerns a piece of furniture and/or household equipment, that is advantageously interactive, comprising: - at least one worktop formed from at least one substrate made from monolithic transparent glass material having a surface area greater than 0.7 m2, provided with a coating such that the substrate provided with the coating has haze greater than 15%, light transmission TL less than 80%, and an opacity indicator greater than 50 - at least one light source, in particular intended to produce one or more areas or one or more elements or displays of the substrate, said source being located, in particular, perpendicular to the substrate for projection display, or under the substrate for display by transmission through the substrate, - at least one interface for communication with at least one element of the worktop such as the light source or sources, and/or if applicable with at least one external element for wireless communication, said equipment being further free of heating elements.
C03C 10/00 - Devitrified 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
A47B 96/18 - Tops specially designed for working on
G09F 9/302 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
The present invention concerns a piece of furniture and/or household equipment, that is advantageously interactive, comprising: - at least one worktop formed from at least one substrate made from monolithic glass material having a surface area greater than 0.7 m2, said substrate having brightness L* less than 10, haze less than 30%, and light transmission TL less than 10%, - at least one heating element, - at least one interface for communication with at least one element of the worktop such as the heating element or elements, and/or if applicable with at least one external element for wireless communication, said equipment being further free of light sources.
C03C 10/00 - Devitrified 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
The present invention concerns a piece of furniture and/or household equipment, that is advantageously interactive, comprising: - at least one worktop formed from at least one substrate made from monolithic transparent glass material having a surface area greater than 0.7 m2, said substrate being, in particular, mostly or entirely bare or provided with a coating or coatings such that the substrate coated in this way has haze less than 15% and/or light transmission TL greater than 60% and/or an opacity indicator less than 85 - at least one light source, in particular intended to produce one or more areas or one or more elements or displays of the substrate, said source being located, in particular, perpendicular to the substrate for projection display, or under the substrate for display by transmission through the substrate, - at least one interface for communication with at least one element of the worktop such as the light source or sources, and/or if applicable with at least one external element for wireless communication, - and optionally an element inserted into the substrate or worktop, in particular in such a way that the assembly formed by the substrate or worktop and the inserted element has haze greater than 15% and/or light transmission TL less than 60%, and/or an opacity indicator greater than 85, said equipment being further free of heating elements.
A47B 96/18 - Tops specially designed for working on
C03C 10/00 - Devitrified 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
G09F 9/302 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
The present invention concerns a furniture item comprising at least one surface formed from at least one monolithic glass ceramic substrate having a thickness of less than 15 mm, an expansion coefficient less than 30.10-7 K-1 between 20 and 400 °C, and a surface area greater than or equal to 0.1 m2, and the methods for obtaining same.
C03C 10/12 - Lithium aluminosilicate, e.g. spodumene, eucryptite
C03C 10/00 - Devitrified 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
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
The present invention concerns a piece of furniture and/or household equipment, that is advantageously interactive, comprising: - at least one worktop formed from at least one substrate made from monolithic glass material having a surface area greater than 0.7 m2, said substrate having brightness L* greater than 10, light transmission TL less than 50%, an opacity indicator greater than 90, and, if applicable, haze greater than 15%, - at least one heating element, - at least one interface for communication with at least one element of the worktop such as the heating element or elements, and/or if applicable with at least one external element for wireless communication, said equipment being further free of light sources.
A47B 96/18 - Tops specially designed for working on
C03C 10/00 - Devitrified 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
The present invention concerns a piece of furniture and/or household equipment, that is advantageously interactive, comprising: - at least one worktop formed from at least one substrate made from monolithic transparent glass material having a surface area greater than 0.7 m2, provided with a coating such that the substrate provided with the coating has haze greater than 15%, light transmission TL less than 60%, and an opacity indicator greaer than 85, - at least one heating element, - at least one interface for communication with at least one element of the worktop such as the heating element or elements, and/or if applicable with at least one external element for wireless communication, said equipment being further free of light sources.
A47B 96/18 - Tops specially designed for working on
C03C 10/00 - Devitrified 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
The present invention relates to an advantageously interactive furniture and/or household apparatus including: at least one worktop made of at least one substrate made of a one-piece transparent glazing material with a surface area greater than 0.7 m2, said substrate more particularly being mainly or entirely bare or provided with a coating or coatings such that the resulting coated substrate has a haziness below 15% and/or a light transmission TL above 60% and/or an opacity indicator below 85; at least one heating element; at least one light source, more particularly intended to indicate one or more areas or one or more elements or displays of the substrate, this source more particularly being vertically perpendicular to the substrate for projective display, or under the substrate for transmissive display through the substrate; at least one interface for communicating with at least one element of the top such as the light source(s) and/or the heating element(s), and/or optionally with at least one external element for wireless communication; and possibly an element mounted on the substrate or worktop, more particularly such that the assembly, made of the substrate or worktop and the mounted element, has a haziness above 15%, and/or a light transmission TL below 60% and/or an opacity indicator above 85.
A47B 96/18 - Tops specially designed for working on
C03C 10/00 - Devitrified 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
G09F 9/302 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
The present invention concerns a piece of furniture and/or household equipment, that is advantageously interactive, comprising: - at least one worktop formed from at least one substrate made from monolithic transparent glass material having a surface area greater than 0.7 m2, said substrate being, in particular, mostly or entirely bare or provided with a coating or coatings such that the substrate coated in this way has haze less than 15% and/or light transmission TL greater than 60% and/or an opacity indicator less than 85 - at least one heating element, - at least one interface for communication with at least one element of the worktop such as the heating element or elements, and/or if applicable with at least one external element for wireless communication, - and optionally an element inserted into the substrate or worktop, in particular in such a way that the assembly formed by the substrate or worktop and the inserted element has haze greater than 15% and/or light transmission TL less than 60%, and/or an opacity indicator greater than 85, said equipment being further free of light sources.
C03C 10/00 - Devitrified 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
A47B 96/18 - Tops specially designed for working on
G09F 9/302 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
at least one interface for communicating with at least one element of the worktop such as the one or more light sources and/or the one or more heating elements and/or if needs be wirelessly with at least one external element.
C03C 10/00 - Devitrified 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 7/08 - Arrangement or mounting of control or safety devices
C03C 3/089 - Glass compositions containing silica with 40% to 90% silica by weight containing boron
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
at least one interface for communicating with at least one element of the worktop such as the one or more light sources and/or the one or more heating elements and/or if needs be wirelessly with at least one external element.
F24C 7/08 - Arrangement or mounting of control or safety devices
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 10/00 - Devitrified 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
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
L lower than 60% and an opacity indicator higher than 85. The item of furniture or appliance also includes at least one heating element, at least one light source to light up one or more zones or one or more elements or displays of the substrate, the source being located plumb with the substrate in order to form a display by projection, or under the substrate in order to form a display by transmission through the substrate, and at least one interface for communicating with at least one element of the worktop.
C03C 10/00 - Devitrified 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 3/12 - Arrangement or mounting of control or safety devices
G05B 15/02 - Systems controlled by a computer electric
The present invention relates to an article having at least one luminous area, particularly for display purposes, particularly a white area, said article comprising at least one glass-ceramic substrate having a light transmission from 0.8% to 40% and an optical transmission of at least 0.10, at least at a wavelength within the range from 420 to 780 nm, at least one light source, particularly a light-emitting diode, having an emission peak at a wavelength between 430 and 490 nm, and at least one luminescent compound emitting in the area of the CIExyY (1931) three-color diagram delimited by the following coordinates (x, y):
so as to form at least one luminous area, particularly a white area, in particular for display purposes, in at least one area of the plate.
F21V 9/16 - Selection of luminescent materials for light screens
C03C 10/00 - Devitrified 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
C03C 4/02 - Compositions for glass with special properties for coloured glass
C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
F21V 9/08 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromaticElements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for reducing intensity of light
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
F24C 7/04 - Stoves or ranges heated by electric energy with heat radiated directly from the heating element
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
C03C 10/00 - Devitrified 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
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 8/04 - Frit compositions, i.e. in a powdered or comminuted form containing zinc
C03C 8/14 - Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
C04B 41/50 - Coating or impregnating with inorganic materials
82.
Alkali-free aluminosilicate glasses, suitable as substrate for induction heating cooktops applications
3+MgO−CaO−BaO−SrO<6%. The glasses exhibit a low coefficient of thermal expansion (CTE) and strong acid and alkali durabilities, and may be used in substrates for induction cooktops.
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 10/00 - Devitrified 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
The present invention relates to a glass-ceramic article at least partly coated with at least one layer of an enamel formed from a glass frit having the following composition, the proportions being expressed as weight percentages:
2O moreover being between 7 and 20%. The invention also relates to the reinforced glass-ceramics obtained.
F24C 15/04 - Doors specially adapted for stoves or ranges with transparent panels
C03C 8/04 - Frit compositions, i.e. in a powdered or comminuted form containing zinc
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
C03C 10/00 - Devitrified 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
A cooktop for a fixed or mobile cooking appliance, including a base plate, at least a part, or all, of a peripheral outer edge of a window not being in the plane of a peripheral outer edge of the base plate, at least one end plate which is made of different material than that of a seal and is disposed above or on the seal, at least a part of an outer surface of the seal which is located between the outer surface of the base plate and the outer surface of the window being covered by the end plate.
The present invention relates to a vitroceramic article intended in particular to cover or receive heating elements, said article being provided with at least one luminous zone, in particular for display, comprising at least one luminous pattern, said article comprising at least one vitroceramic substrate, at least one light source, and at least one enamel coating which covers at least a part of said zone and within which an uncovered region is formed in the shape of said pattern, the composition of said enamel comprising at least one glass frit and at least one pigment, the glass frit comprising the following constituents:
the rate of pigment or pigments being from 40 to 65% by weight of the frit/pigment mixture, the article furthermore comprising a diffusing zone facing the enamel coating.
The invention relates to a partially crystallised glass plate, having a coefficient of linear thermal expansion within the range from 20 to 40.10-7/K, and having a chemical composition comprising the following constituents varying within the following weight limits: 55-70% SiO2; 12-25% Al2O3; 1-2% Li2O; 0-ឬ3% K2O; 0-ឬ3% Na2O; Li2O+Na2O+K2O 1-ឬ7%; 2-10% RO (wherein RO = MgO+CaO+SrO+BaO+ZnO); 0-5% TiO2; 0.1-3% ZrO2.
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 10/00 - Devitrified 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
89.
Cooktop with window and end plate, cooking appliance, and method for manufacturing the cooktop
A cooktop for a fixed or mobile cooking appliance, including a base plate, at least a part, or all, of a peripheral outer edge of a window being in the plane of a peripheral outer edge of the base plate, at least one end plate which is made of different material than that of a seal and is disposed above or on the seal, at least a part of an outer surface of the seal which is located between an outer surface of the base plate and an outer surface of the window being covered by the end plate.
F24C 7/08 - Arrangement or mounting of control or safety devices
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29D 11/00 - Producing optical elements, e.g. lenses or prisms
B29K 83/00 - Use of polymers having silicon, with or without sulfur, nitrogen, oxygen or carbon only, in the main chain, as moulding material
B29L 11/00 - Optical elements, e.g. lenses, prisms
C03C 4/02 - Compositions for glass with special properties for coloured glass
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 10/00 - Devitrified 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
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/089 - Glass compositions containing silica with 40% to 90% silica by weight containing boron
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
The present invention relates to an advantageously interactive item of furniture and/or household appliance (1), comprising: at least one worktop (5) formed from at least one substrate (6) made of a monolithic glazing material and of area larger than 0.7 m2, said substrate having a lightness L* lower than 10, a haze lower than 30% and a light transmission TL lower than 10%; at least one heating element (7); at least one light source (8, 8'), in particular intended to make visible one or more zones or one or more elements or displays of the substrate (6), this source in particular being located under the substrate and being hidden thereby when this source is turned off; and at least one interface (12) for communicating with at least one element of the worktop such as the one or more light sources and/or the one or more heating elements and/or if needs be wirelessly with at least one external element.
F24C 7/08 - Arrangement or mounting of control or safety devices
C03C 10/00 - Devitrified 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
The present invention relates to an advantageously interactive item of furniture and/or appliance, comprising: at least one worktop (5) formed from at least one substrate (6) made of a transparent monolithic glazing material of area larger than 0.7 m2, said substrate being coated with a coating so that the substrate equipped with the coating has a haze higher than 15%, a light transmission TL lower than 60% and an opacity indicator higher than 85; at least one heating element (7); at least one light source (8), in particular intended to light up one or more zones or one or more elements or displays of the substrate, this source in particular being located plumb with the substrate for a display by projection, or under the substrate for a display by transmission through the substrate; and at least one interface (12) for communicating with at least one element of the worktop such as the one or more light sources (8) and/or the one or more heating elements (7) and/or if needs be wirelessly with at least one external element.
C03C 10/00 - Devitrified 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
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
F24C 7/08 - Arrangement or mounting of control or safety devices
An advantageously interactive item of furniture and/or appliance, comprising: at least one worktop (5) formed from at least one substrate (6) made of a monolithic glazing material and of area larger than 0.7 m2, said substrate having a lightness L* higher than 10, a light transmission TL lower than 50%, and an opacity indicator higher than 90 and if relevant a haze higher than 15%; at least one heating element (7); at least one light source (8), in particular intended to light up, in particular by projection, one or more zones or one or more elements or displays of the substrate, this source for example being located plumb with the substrate; and at least one interface (12) for communicating with at least one element of the worktop such as the one or more light sources (8) and/or the one or more heating elements (7) and/or if needs be wirelessly with at least one external element.
F24C 7/08 - Arrangement or mounting of control or safety devices
C03C 10/00 - Devitrified 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
The present invention relates to an article having at least one colored luminous region, in particular a display, said article comprising at least one glass-ceramic substrate having a luminous transmission ranging from 0.8% to 40% and an optical transmission of at least 0.1% for at least one wavelength in the range extending from 420 to 780 nm, at least one light source and at least one inkjet filter of thickness comprised between 1 and 50 μm, so as to form at least one colored luminous region, in particular a display, in at least one region of the glass-ceramic substrate.
F21V 9/30 - Elements containing photoluminescent material distinct from or spaced from the light source
F21V 9/16 - Selection of luminescent materials for light screens
C03C 10/00 - Devitrified 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
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
F24C 7/08 - Arrangement or mounting of control or safety devices
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
Beta-quartz glass-ceramics containing in their composition neither arsenic oxide nor antimony oxide and having a controlled transmission curve, articles made using the glass-ceramics, including cooktops, and precursor glasses of such glass-ceramics.
C03C 10/00 - Devitrified 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
C03C 4/02 - Compositions for glass with special properties for coloured glass
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 4/10 - Compositions for glass with special properties for infrared transmitting glass
C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
The invention relates to a plate intended to cover or receive induction heating elements, in particular an induction cooking plate, said plate being a glass plate, the composition of which is of lithium aluminosilicate type, said plate having a surface zone of at least 5 μm thick comprising potassium ions as a replacement for the lithium ions of the glass. The present invention also relates to an induction cooking device incorporating said plate and a method for producing said plate.
C03C 3/083 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound
C03C 3/085 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
C03C 3/087 - Glass compositions containing silica with 40% to 90% silica by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
C03C 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
The present invention relates to an article comprising at least one glass-ceramic substrate, in particular a plate, intended, for example, to cover or receive at least one heating element, said substrate exhibiting, in at least one zone, a surface roughness such that the characteristic dimensions of the patterns forming said roughness are between 2 and 100 μm.
The present invention also relates to an advantageous process for producing said substrate.
The present invention concerns a glass ceramic item at least partially covered with at least one layer of an enamel formed by a glass frit of the following composition, the proportions being expressed in percentages by weight: SiO2 45 - 60%, preferably 50 - 58%; AI2O3 12 - 22%, preferably 15 - 19%; B2O3 12 - 22 %, preferably 15 - 19%; Li2O 0-5%, preferably > 0 - 5%; Na2O 0 - 2%; K2O > 2%; CaO 0 - 4%, preferably 0 - 2%; MgO 0 - 4%, preferably > 0 - 4%; ZnO 0 - 4%, preferably > 0 - 4%; BaO 0 - 4%, preferably > 0 - 4%; ZrO2 0 - 4%, preferably 0 - 2%, in particular > 0 - 2%; TiO2 0 - 1 %, preferably 0 - 0.5%; the sum of the oxides CaO + MgO +BaO + SrO + ZnO further being less than or equal to 10%, and preferably being between 2 and 8%. The invention also concerns the enamel and the method for obtaining the glass ceramic item.
C03C 3/093 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium containing zinc or zirconium
C03C 8/04 - Frit compositions, i.e. in a powdered or comminuted form containing zinc
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
100.
Preparation of an article in glass or in glass-ceramic with improved coating and said article
A method for preparing an article, the structure of which comprises a substrate of a glass or a glass-ceramic and a coating fixed to at least one portion of the surface of the substrate. In a characteristic way, the coating is generated from at least one loaded polysilsequioxane resin not containing any aryl radical in its structure.
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/34 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
