EP0930806A1 - Glas-ceramic plate comprising arelief-patern for tactile locating tactile - Google Patents
Glas-ceramic plate comprising arelief-patern for tactile locating tactile Download PDFInfo
- Publication number
- EP0930806A1 EP0930806A1 EP99400117A EP99400117A EP0930806A1 EP 0930806 A1 EP0930806 A1 EP 0930806A1 EP 99400117 A EP99400117 A EP 99400117A EP 99400117 A EP99400117 A EP 99400117A EP 0930806 A1 EP0930806 A1 EP 0930806A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- relief
- glass
- plate
- ceramic plate
- cooking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
- F24C15/102—Tops, e.g. hot plates; Rings electrically heated
- F24C15/105—Constructive details concerning the regulation of the temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
- F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
- H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
- H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
- H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
Definitions
- the invention relates to ceramic hobs for cover heating elements. More specifically, the invention relates to ceramic hobs used in the creation of hobs. Such hobs include elements heaters such as radiant or halogen fireplaces, and means control and regulation to vary their power.
- buttons attached to pins passing through holes practiced in the ceramic hob.
- This solution does not give full satisfaction.
- making holes in the plate, under conditions preserving sufficient mechanical strength of this and limiting manufacturing defects and therefore the proportion of products to be discarded requires the implementation of processes complex.
- this embodiment of the means of control does not allow a perfect cleaning of the plate, because whatever either the tightness of the button-plate interface, the peripheral edge of the button necessarily forms a sharp edge or delimits a slot, which does not do not fail to catch and possibly retain dust, small crumbs ...
- buttons classics with sensitive touches
- the means of control and regulation for a means of cooking or maintaining temperature consists in particular as described in this document, of a pair of buttons, one of which is used to increase the power delivered to the stove associated with each contact of the user's finger on this key, while that the other serves, conversely, to decrease step by step the power of the same foyer.
- the document suggests to form, on the upper surface of the plate glass, screen-printed or otherwise drawn marks.
- screen printed marks are not desirable having regard to when cleaning the plate. They tend to retain dust and to be gradually destroyed under the abrasive action of the cloth or the sponge and by the chemical attack of the cleaning product.
- patent application EP 0 464 323 A2 proposes, to mark the contours of the heating zones on a plate glass-ceramic, to replace the screen-printed motifs with strips of parallel streaks carved into the surface of the plate.
- Such a mark has the advantage of being almost indelible and is designed, in particular, so as not to be affected by the repeated slips, above it, various utensils (pots, pans ). It allows visual identification; a tactile identification, for example by a blind user, is not good heard not described because it does not make sense in the case of too large proximity of the cooking or temperature-maintaining means, because of the risk it entails.
- the invention therefore sets itself the task of providing a ceramic hob including the cooking means control zone or maintaining the temperature does not require an additional step transformation complex (making holes, shaping ...), but ensures easy identification, in particular tactile for a blind user, control means.
- the subject of the invention is a ceramic hob comprising one or more means of cooking or keeping temperature and one or more associated control means. More specifically, the invention consists in that the ceramic hob has a relief in bumps and / or recesses of dimensions such that it allows tactile identification of a specific area and / or function of the plaque.
- a relief in accordance with the invention can be produced without it being necessary to implement a specific additional step in the process of manufacturing the ceramic hob: at most, should we adapt the geometry of the support or molding surfaces or pressing which the plate must comply with and which were usually plans.
- the ease of tactile identification is easily obtained by a judicious choice of the geometry of the relief.
- Another advantage, obtained additionally thanks to the invention is the quasi- indestructible and indelible relief, despite multiple attacks mechanical and chemical to which it may be subjected.
- the height of the relief is at least equal to 15 ⁇ m and, preferably, to 0.2 mm, the latter value being easily reached so reproducible by conventional molding methods.
- “height" of relief in the sense of this embodiment its dimension is understood in the direction perpendicular to the plane of the plate, that is to say so the difference in height between its highest point and its lowest point. This height advantageously does not exceed 50 mm; height superior would indeed be useless, even annoying, for reasons ergonomics, size and difficulty of the training process.
- the environment of the location relief on the plate present an essentially smooth surface state, of which said relief constitutes a continuous variation.
- the control area is then free of streaks, enameled lines (screen-printed ...) and any sharp edges protruding or hollow, likely to be hung up and possibly chipped or otherwise affected in particular by a kitchen utensil, or to retain dust so that it can only be removed with difficulty by cleaning.
- the essentially smooth surface state removes the problem of progressive abrasion of screen-printed patterns, minimizes the risk of chipping following a mechanical shock and authorizes perfect cleaning of the control area.
- Another object of the invention consists of a cooking appliance comprising a glass-ceramic plate as described above.
- the invention also relates to a method of manufacture of this ceramic hob.
- This process includes precisely a shaping of the plate consisting of an operation collapse, molding or pressing, using a support or molding or pressing surfaces having the desired geometry, in particular in their part corresponding to the control area of the plate.
- Collapsing, molding or pressing can be done at any moment of a conventional plate manufacturing process glass-ceramic, provided that the material of which it is composed is at a temperature high enough to allow deformation plastic.
- a conventional plate manufacturing process glass-ceramic provided that the material of which it is composed is at a temperature high enough to allow deformation plastic.
- the glass ceramic plate 1 of conventional thickness and material known in the art previous, has four cooking zones 2, 3, 4 and 5. These zones are indifferently radiant, halogen or induction. None would stand in the way however that, contrary to what is represented, one of the hearths cooking stove consists of a gas burner installed in an opening formed in the plate, as described for example in the request for EP patent 0 715 125 A1.
- Plate 1 is provided at the front of its surface top of a raised relief 6 having the shape of a segment transverse. This segment marries, for aesthetic purposes but also in a concern for rational use of the surface of the plate, the slight curvature of the anterior edge of the latter. It appears in Figure 1c that the relief 6 is devoid of sharp edges.
- the relief 6 allows a location sensor in the control zone for hotplates 2, 3, 4 and 5. Keys sensitive 7, 8, 9 and 10 for controlling and regulating the fireplaces 2, respectively 3, 4 and 5 are arranged immediately in front and along relief 6, from left to right in FIG. la, that is to say in accordance with available to the households to which they are assigned.
- the form substantially linear keys 7, 8, 9, 10 and relief 6 is found particularly well suited for a power selection of heating, determined according to the position of the finger on the button or the distance traveled by the finger on the key.
- the relief is therefore here positioned near the means of commands 7, 8, 9 and 10 which are further delimited by a marking screen printed on the plate.
- a way to overcome the screen-printed marking consists, for example, in shaping the relief 6 in individualizable elements each associated with a control means at the more, particularly in clearly identifiable elements assigned to each cooking zones to ensure control and regulation.
- the relief 6 coincides with one or several control means. We can conform it there again by individualizable elements, for example simply coinciding with the sensitive keys 7, 8, 9 and 10 of FIG. la, in which case the marking screen-printed becomes superfluous.
- relief 6 for the means of order are possible.
- elements of the relief positioned in relation to each other in the same way as the different cooking zones; these elements of the relief are used to designate the controlled cooking hearth.
- a classic circular arrangement of increasing powers clockwise can be convenient.
- Each power level can be identified by an embossed figure or by a geometric pattern of correspondingly increasing size.
- all other geometric shapes such as square, rectangular, triangular, circular, oval, concave or convex polygonal, regular or not, in rounded, almost linear or point slope can be used in the constitution of the location relief.
- an elevation 11 encompassing cooking zones 3 and 4, was created in the same way.
- the elevation 11 has no sharp edges, and therefore allows a easy and perfect cleaning.
- elevation responds to concerns of order aesthetic, but also practical.
- a particular elevation of the plate corresponds to each of the foci of cooking, all these elevations being separated from each other by a part of the upper surface of the plate of lower height.
- this liquid will flow onto this part of lower height, thus avoiding the surface of plate corresponding to the cooking zones themselves, susceptible to reach maximum temperatures. This prevents the liquid escaped is transformed by heating into a solid deposit and member; cleaning the plate is easier.
- the elevation of zone 11 of the rear cooking zones 3 and 4 minimizes the effort required to place cooking vessels on these fireplaces or, on the contrary to remove them, while passing them over any other receptacles placed on one of the fireplaces 2 and 5.
- the relief 6 may consist of a element, not shown, connecting at least one of the control means 7, 8, 9, 10 by cooking or maintaining the temperature 2, 3, 4, 5 associated with it. It can be a hollow channel in the plate or an outgrowth of equivalent shape.
- An element with the same shape as the one just described may itself be a means of controlling the sensor type, the selected heating power then being advantageously proportional to the length of the channel or outgrowth of equivalent shape described by contact with a finger.
- Another variant concerns the case of a ceramic hob modular, i.e. made up of an assembly of elementary parts of any identical or different shape (triangular, rectangular, square, in arcs of circles ).
- part of the relief 6 is arranged between the edges of neighboring elementary parts of the plate; this part of the relief 6 constitutes or includes, where appropriate, sensitive keys of control of cooking zones.
- the plate 1 is embedded in a known manner in a plane of work, whose anterior 12 and posterior 13 edges appear.
- vitroceramic 1 one sensitive control button for one or more means of cooking or maintaining temperature which comprises a raised control surface 6 and a capacitive element 14.
- the relief 6 is formed by the part emerging from an insert housed in a through-through recess a peripheral zone of the plate 1.
- the insert could be positioned between the neighboring edges of two modules elementary constituting the plate.
- the insert is metallic, in material plastic or, preferably, a glass material such as glass ceramic. It is, possibly, secured to the plate 1, depending on the material which constitutes, by gluing, welding of glass material, etc.
- Screen-printed patterns 17 are markers of power levels selected.
- the relief 6 consists of an element simply reported on plate 1. This element is made in the same group of materials as those of the insert mentioned previously; it is secured to plate 1.
- the relief 6 is formed in the material of the plate glass-ceramic 1 itself, in particular by collapsing, molding or pressing as mentioned above.
- the ceramic hob of the invention facilitates the maintaining perfect cleanliness; the means of locating the means of control, consisting of a relief in the material of the plate or in a other material, offers optimal resistance to mechanical attack and chemicals. Its training presents no difficulty, but integrates in the conventional process for manufacturing ceramic hobs, without causing additional investments. All operations of commands and manipulations relating to this plate are returned possible in the absence of any visual approach, thanks to the concept of full tactile tracking implemented.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Electric Stoves And Ranges (AREA)
- Induction Heating Cooking Devices (AREA)
- Cookers (AREA)
- Baking, Grill, Roasting (AREA)
- Ceramic Products (AREA)
- Surface Treatment Of Glass (AREA)
- Printing Plates And Materials Therefor (AREA)
- Pens And Brushes (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
Description
L'invention concerne des plaques vitrocéramiques destinées à couvrir des éléments chauffants. Plus précisément, l'invention vise des plaques vitrocéramiques entrant dans la constitution de tables de cuisson. De telles tables de cuisson comportent notamment des éléments chauffants tels que des foyers radiants ou foyers halogènes, et des moyens de commande et de régulation permettant de faire varier leur puissance.The invention relates to ceramic hobs for cover heating elements. More specifically, the invention relates to ceramic hobs used in the creation of hobs. Such hobs include elements heaters such as radiant or halogen fireplaces, and means control and regulation to vary their power.
Pour de tels moyens de commande et de régulation, on emploie couramment des boutons fixés sur des axes traversant des trous pratiqués dans la plaque vitrocéramique. Cette solution ne donne pas entière satisfaction. En premier lieu, la confection de trous dans la plaque, dans des conditions préservant une résistance mécanique suffisante de celle-ci et limitant les défauts de fabrication et donc la proportion de produits à mettre au rebut, nécessite la mise en oeuvre de procédés complexes. D'autre part, cette forme de réalisation des moyens de commande ne permet pas un nettoyage parfait de la plaque, car quelle que soit l'étanchéité de l'interface bouton-plaque, le bord périphérique du bouton forme nécessairement une arête vive ou délimite une fente, qui ne manquent pas d'accrocher et éventuellement retenir les poussières, petites miettes... For such control and regulation means, commonly buttons attached to pins passing through holes practiced in the ceramic hob. This solution does not give full satisfaction. First, making holes in the plate, under conditions preserving sufficient mechanical strength of this and limiting manufacturing defects and therefore the proportion of products to be discarded, requires the implementation of processes complex. On the other hand, this embodiment of the means of control does not allow a perfect cleaning of the plate, because whatever either the tightness of the button-plate interface, the peripheral edge of the button necessarily forms a sharp edge or delimits a slot, which does not do not fail to catch and possibly retain dust, small crumbs ...
Une solution consiste à remplacer les boutons de commande classiques par des touches sensitives, conformément à l'enseignement de la demande de brevet EP 0 443 924 A1. Le moyen de commande et de régulation pour un moyen de cuisson ou de maintien en température consiste notamment comme décrit dans ce document, en une paire de touches dont l'une sert à incrémenter la puissance délivrée au foyer associé à chaque contact du doigt de l'utilisateur sur cette touche, tandis que l'autre sert, à l'inverse, à diminuer pas à pas la puissance de ce même foyer. Selon une alternative, on peut prévoir une multiplicité de touches correspondant à des puissances de chauffage distinctes. Afin de préciser l'emplacement des touches et leurs affectations aux différents foyers, le document suggère de former, sur la surface supérieure de la plaque de verre, des repères sérigraphiés ou autrement dessinés. Il s'agit alors d'un repère essentiellement visuel ; en effet, bien que des motifs sérigraphiés soient en très légère excroissance (par exemple de 4 µm au plus) par rapport au plan de la plaque et en constituent un état de surface différencié, ils ne permettent pas un repérage uniquement tactile des moyens de commande et de la manière dont il convient de les utiliser, même par une personne exercée, non-voyante ou autre.One solution is to replace the control buttons classics with sensitive touches, in accordance with the teaching of patent application EP 0 443 924 A1. The means of control and regulation for a means of cooking or maintaining temperature consists in particular as described in this document, of a pair of buttons, one of which is used to increase the power delivered to the stove associated with each contact of the user's finger on this key, while that the other serves, conversely, to decrease step by step the power of the same foyer. According to an alternative, one can provide a multiplicity of keys corresponding to different heating powers. To clarify the location of the buttons and their assignments to the different homes, the document suggests to form, on the upper surface of the plate glass, screen-printed or otherwise drawn marks. It is then a essentially visual cue; indeed, although screen-printed patterns are in a very slight protrusion (for example of 4 μm at most) by relation to the plane of the plate and constitute a surface state thereof differentiated, they do not allow a purely tactile identification of control means and how to use them, even by a trained person, blind or otherwise.
De plus, des repères sérigraphiés ne sont pas souhaitables eu égard au nettoyage de la plaque. Ils ont en effet tendance à retenir les poussières et à être progressivement détruits sous l'action abrasive du chiffon ou de l'éponge et par l'attaque chimique du produit de nettoyage.In addition, screen printed marks are not desirable having regard to when cleaning the plate. They tend to retain dust and to be gradually destroyed under the abrasive action of the cloth or the sponge and by the chemical attack of the cleaning product.
Pour y remédier, la demande de brevet EP 0 464 323 A2 propose, pour marquer les contours des zones chauffantes sur une plaque vitrocéramique, de remplacer les motifs sérigraphiés par des bandes de stries parallèles creusées en surface de la plaque. Une telle marque présente l'avantage d'être quasiment indélébile et est conçue, notamment, pour ne pas être affectée par les glissements répétés, au-dessus d'elle, d'ustensiles divers (poêles, casseroles...). Elle permet un repérage visuel ; un repérage tactile, par exemple par un utilisateur non-voyant, n'est bien entendu pas décrit car il n'a pas de sens dans le cas d'une trop grande proximité des moyens de cuisson ou de maintien en température, du fait du risque qu'il comporte.To remedy this, patent application EP 0 464 323 A2 proposes, to mark the contours of the heating zones on a plate glass-ceramic, to replace the screen-printed motifs with strips of parallel streaks carved into the surface of the plate. Such a mark has the advantage of being almost indelible and is designed, in particular, so as not to be affected by the repeated slips, above it, various utensils (pots, pans ...). It allows visual identification; a tactile identification, for example by a blind user, is not good heard not described because it does not make sense in the case of too large proximity of the cooking or temperature-maintaining means, because of the risk it entails.
L'invention se donne donc pour tâche de mettre à disposition une plaque vitrocéramique dont la zone de commande des moyens de cuisson ou de maintien en température ne nécessite pas une étape supplémentaire complexe de transformation (confection de trous, façonnage...), mais assure un repérage aisé, en particulier tactile pour un utilisateur non-voyant, des moyens de commande.The invention therefore sets itself the task of providing a ceramic hob including the cooking means control zone or maintaining the temperature does not require an additional step transformation complex (making holes, shaping ...), but ensures easy identification, in particular tactile for a blind user, control means.
En conséquence, l'invention a pour objet une plaque vitrocéramique comportant un ou plusieurs moyens de cuisson ou de maintien en température et un ou plusieurs moyens de commande associés. Plus précisément, l'invention consiste en ce que la plaque vitrocéramique présente un relief en bosses et/ou en creux de dimensions telles qu'il permet un repérage tactile d'une zone et/ou d'une fonction déterminées de la plaque. Un relief conforme à l'invention est réalisable sans qu'il soit nécessaire de mettre en oeuvre une étape supplémentaire spécifique dans le processus de fabrication de la plaque vitrocéramique : tout au plus, doit-on adapter la géométrie du support ou des surfaces de moulage ou pressage auxquels la plaque doit se conformer et qui, d'ordinaire, étaient plans. D'autre part, la facilité d'un repérage tactile est aisément obtenue par un choix judicieux de la géométrie du relief. Un autre avantage, obtenu par surcroít grâce à l'invention, est le caractère quasi indestructible et indélébile du relief, en dépit des multiples agressions mécaniques et chimiques auxquelles il peut être soumis.Consequently, the subject of the invention is a ceramic hob comprising one or more means of cooking or keeping temperature and one or more associated control means. More specifically, the invention consists in that the ceramic hob has a relief in bumps and / or recesses of dimensions such that it allows tactile identification of a specific area and / or function of the plaque. A relief in accordance with the invention can be produced without it being necessary to implement a specific additional step in the process of manufacturing the ceramic hob: at most, should we adapt the geometry of the support or molding surfaces or pressing which the plate must comply with and which were usually plans. On the other hand, the ease of tactile identification is easily obtained by a judicious choice of the geometry of the relief. Another advantage, obtained additionally thanks to the invention, is the quasi- indestructible and indelible relief, despite multiple attacks mechanical and chemical to which it may be subjected.
Afin de garantir un repérage tactile dans les meilleures conditions, la hauteur du relief est au moins égale à 15 µm et, de préférence, à 0,2 mm, cette dernière valeur étant aisément atteinte de manière reproductible par des procédés classiques de moulage. Par « hauteur » du relief au sens de ce mode de réalisation, on entend sa dimension dans la direction perpendiculaire au plan de la plaque, c'est-à-dire de manière courante le dénivelé entre son point le plus haut et son point le plus bas. Cette hauteur n'excède avantageusement pas 50 mm ; une hauteur supérieure serait en effet inutile, voire gênante, pour des raisons d'ergonomie, d'encombrement et de difficulté du procédé de formation.In order to guarantee a tactile location in the best conditions, the height of the relief is at least equal to 15 μm and, preferably, to 0.2 mm, the latter value being easily reached so reproducible by conventional molding methods. By "height" of relief in the sense of this embodiment, its dimension is understood in the direction perpendicular to the plane of the plate, that is to say so the difference in height between its highest point and its lowest point. This height advantageously does not exceed 50 mm; height superior would indeed be useless, even annoying, for reasons ergonomics, size and difficulty of the training process.
Selon un mode de réalisation particulièrement avantageux de l'invention, l'environnement du relief de repérage sur la plaque présente un état de surface essentiellement lisse, dont ledit relief constitue une variation continue. La zone de commande est alors exempte de stries, de lignes émaillées (sérigraphiées ...) et de toute arête vive en excroissance ou en creux, susceptibles d'être raccrochées et éventuellement ébréchées ou autrement affectées notamment par un ustensile de cuisine, ou de retenir la poussière de manière qu'elle ne puisse en être délogée que difficilement par nettoyage.According to a particularly advantageous embodiment of the invention, the environment of the location relief on the plate present an essentially smooth surface state, of which said relief constitutes a continuous variation. The control area is then free of streaks, enameled lines (screen-printed ...) and any sharp edges protruding or hollow, likely to be hung up and possibly chipped or otherwise affected in particular by a kitchen utensil, or to retain dust so that it can only be removed with difficulty by cleaning.
Au contraire, l'état de surface essentiellement lisse supprime le problème de l'abrasion progressive des motifs sérigraphiés, minimise le risque d'ébréchage consécutif à un choc mécanique et autorise des nettoyages parfaits de la zone de commande.On the contrary, the essentially smooth surface state removes the problem of progressive abrasion of screen-printed patterns, minimizes the risk of chipping following a mechanical shock and authorizes perfect cleaning of the control area.
Un autre objet de l'invention consiste en un appareil de cuisson comportant une plaque vitrocéramique telle que décrite précédemment.Another object of the invention consists of a cooking appliance comprising a glass-ceramic plate as described above.
D'autre part, l'invention a également pour objet un procédé de fabrication de cette plaque vitrocéramique. Ce procédé comprend précisément une mise en forme de la plaque consistant en une opération d'effondrement, moulage ou pressage, avec utilisation d'un support ou de surfaces de moulage ou pressage ayant la géométrie désirée, notamment dans leur partie correspondant à la zone de commande de la plaque.On the other hand, the invention also relates to a method of manufacture of this ceramic hob. This process includes precisely a shaping of the plate consisting of an operation collapse, molding or pressing, using a support or molding or pressing surfaces having the desired geometry, in particular in their part corresponding to the control area of the plate.
L'effondrement, le moulage ou le pressage peut être effectué à tout
moment d'un procédé classique de fabrication d'une plaque
vitrocéramique, pourvu que le matériau qui la constitue soit à une
température suffisamment élevée pour en permettre la déformation
plastique. Un tel procédé classique est décrit dans le brevet FR 2 657 079,
dont le contenu est ici incorporé à titre de référence.Collapsing, molding or pressing can be done at any
moment of a conventional plate manufacturing process
glass-ceramic, provided that the material of which it is composed is at a
temperature high enough to allow deformation
plastic. Such a conventional process is described in
D'autres caractéristiques et avantages de l'invention apparaítront dans la description qui suit d'un exemple de réalisation, s'appuyant sur les dessins annexés, dans lesquels :
- la figure 1a est une vue de dessus d'une plaque vitrocéramique selon l'invention,
- la figure 1b est une vue en coupe selon l'axe A-A de cette plaque,
- la figure 1c est une vue en coupe selon l'axe B-B de cette plaque,
- les figures 2, 3 et 4 sont des représentations schématiques partielles en perspective d'exemples de réalisation distincts d'un relief selon l'invention.
- FIG. 1a is a top view of a glass-ceramic plate according to the invention,
- FIG. 1b is a sectional view along the axis AA of this plate,
- FIG. 1c is a sectional view along the axis BB of this plate,
- Figures 2, 3 and 4 are partial schematic representations in perspective of separate embodiments of a relief according to the invention.
En référence aux figures 1a, 1b et 1c, la plaque vitrocéramique 1,
d'épaisseur et de matériau constitutif classiques et connus dans l'art
antérieur, comporte quatre foyers de cuisson 2, 3, 4 et 5. Ces foyers sont
indifféremment radiants, halogènes ou à induction. Rien ne s'opposerait
cependant à ce que, contrairement à ce qui est représenté, l'un des foyers
de cuisson soit constitué d'un brûleur à gaz installé dans une ouverture
ménagée dans la plaque, comme décrit par exemple dans la demande de
brevet EP 0 715 125 A1.With reference to FIGS. 1a, 1b and 1c, the glass
La plaque 1 est munie à la partie antérieure de sa surface
supérieure d'un relief 6 en excroissance ayant la forme d'un segment
transversal. Ce segment épouse, à des fins esthétiques mais aussi dans
un souci d'utilisation rationnelle de la surface de la plaque, la légère
courbure du bord antérieur de cette dernière. Il apparaít sur la figure 1c
que le relief 6 est dépourvu d'arête vive. Le relief 6 permet un repérage
sensitif de la zone de commande des foyers 2, 3, 4 et 5. Des touches
sensitives 7, 8, 9 et 10 de commande et de régulation des foyers 2,
respectivement 3, 4 et 5 sont disposées immédiatement devant et le long
du relief 6, de gauche à droite sur la figure la, c'est-à-dire conformément
à la disposition des foyers auxquels elles sont affectées. La forme
sensiblement linéaire des touches 7, 8, 9, 10 et du relief 6 s'avère
particulièrement bien adaptée en vue d'une sélection de puissance de
chauffage, déterminée en fonction de la position du doigt sur la touche ou
de la distance parcourue par le doigt sur la touche.
Le relief est donc ici positionné à proximité des moyens de
commande 7, 8, 9 et 10 qui sont de plus délimités par un marquage
sérigraphié sur la plaque.The relief is therefore here positioned near the means of
Conformément à une variante préférée de l'invention, il serait
également envisageable de supprimer ce marquage sérigraphié afin de
conférer à la zone de commande un état de surface essentiellement lisse
au sens indiqué ci-dessus. Un moyen permettant de s'affranchir du
marquage sérigraphié consiste par exemple à conformer le relief 6 en
éléments individualisables associés chacun à un moyen de commande au
plus, notamment en éléments clairement identifiables affectés à chacun
des foyers de cuisson pour en assurer la commande et la régulation.According to a preferred variant of the invention, it would
also possible to remove this screen-printed marking in order to
give the control area an essentially smooth surface
in the sense indicated above. A way to overcome the
screen-printed marking consists, for example, in shaping the
Il est par exemple envisageable de créer des discontinuités dans le
relief 6 tel que dessiné en annexe, en face des interstices séparant les
touches sensitives 7 et 8, 8 et 9, 9 et 10. La commande d'un foyer se fait à
l'emplacement de la touche sensitive appropriée, démunie de son repérage
en lignes émaillées, plus précisément devant et à proximité immédiate de
l'élément approprié du relief 6.It is for example possible to create discontinuities in the
Selon un autre mode de réalisation, le relief 6 coïncide avec un ou
plusieurs moyens de commande. On peut le conformer là encore en
éléments individualisables, coïncidant par exemple tout simplement avec
les touches sensitives 7, 8, 9 et 10 de la figure la, auquel cas le marquage
sérigraphié devient superflu.According to another embodiment, the
Toutes autres formes pratiques du relief 6 pour les moyens de
commande sont envisageables. Commodément, on prévoit des éléments du
relief positionnés les uns par rapport aux autres de la même manière que
les différents foyers de cuisson ; ces éléments du relief servent à désigner
le foyer de cuisson commandé. Pour sélectionner la puissance de
chauffage, une disposition classique circulaire des puissances croissantes
dans le sens des aiguilles d'une montre peut s'avérer commode. Chaque
niveau de puissance peut être repéré par un chiffre en relief ou par un
motif géométrique de taille corrélativement croissante. Par ailleurs, toutes
autres formes géométriques telles que carrée, rectangulaire, triangulaire,
circulaire, ovale, polygonale concave ou convexe, régulière ou non, en
pente arrondie, quasi linéaire ou ponctuelle peuvent être employées dans
la constitution du relief de repérage.All other practical forms of
Au moment du formage du relief 6, une surélévation 11, englobant
les foyers de cuisson 3 et 4, a été créée de la même manière. La
surélévation 11 ne comporte aucune arête vive, et autorise donc un
nettoyage aisé et parfait.When the
La création de surélévation répond à des préoccupations d'ordre
esthétique, mais aussi pratique. Ainsi, selon une variante, une
surélévation particulière de la plaque correspond à chacun des foyers de
cuisson, toutes ces surélévations étant séparées les unes des autres par
une partie de la surface supérieure de la plaque de hauteur moins élevée.
En cas de fuite de liquide du récipient de cuisson, ce liquide s'écoule sur
cette partie de hauteur moins élevée, évitant par conséquent la surface de
plaque correspondant aux foyers de cuisson eux-mêmes, susceptible
d'atteindre les températures maximales. On évite ainsi que le liquide
échappé ne se transforme par échauffement en un dépôt solide et
adhérent ; le nettoyage de la plaque est facilité. D'autre part, la
surélévation de la zone 11 des foyers de cuisson postérieurs 3 et 4
minimise l'effort requis pour déposer des récipients de cuisson sur ces
foyers ou, au contraire pour les en retirer, tout en les faisant passer au-dessus
d'éventuels autres récipients disposés sur l'un des foyers
antérieurs 2 et 5.The creation of elevation responds to concerns of order
aesthetic, but also practical. Thus, according to a variant, a
particular elevation of the plate corresponds to each of the foci of
cooking, all these elevations being separated from each other by
a part of the upper surface of the plate of lower height.
In the event of a liquid leaking from the cooking container, this liquid will flow onto
this part of lower height, thus avoiding the surface of
plate corresponding to the cooking zones themselves, susceptible
to reach maximum temperatures. This prevents the liquid
escaped is transformed by heating into a solid deposit and
member; cleaning the plate is easier. On the other hand, the
elevation of
Par ailleurs, une partie au moins du relief 6 peut consister en un
élément, non représenté, reliant l'un au moins des moyens de commande
7, 8, 9, 10 au moyen de cuisson ou de maintien en température 2, 3, 4, 5
qui lui est associé. Il peut s'agir d'un canal en creux dans la plaque ou
d'une excroissance de forme équivalente. Un élément de forme identique à
celui qui vient d'être décrit peut être lui-même un moyen de commande du
type touche sensitive, la puissance de chauffage sélectionnée étant alors
avantageusement proportionnelle à la longueur de canal ou d'excroissance
de forme équivalente décrite par contact d'un doigt.Furthermore, at least part of the
Une autre variante concerne le cas d'une plaque vitrocéramique
modulaire, c'est-à-dire constituée d'un assemblage de parties élémentaires
de formes quelconques identiques ou différentes (triangulaires,
rectangulaires, carrées, en arcs de cercles...). Selon cette variante d'une
réalisation particulièrement aisée, une partie du relief 6 est disposée entre
les bords de parties élémentaires de la plaque voisines ; cette partie du
relief 6 constitue ou comprend, le cas échéant, des touches sensitives de
commande des foyers de cuisson.Another variant concerns the case of a ceramic hob
modular, i.e. made up of an assembly of elementary parts
of any identical or different shape (triangular,
rectangular, square, in arcs of circles ...). According to this variant of a
particularly easy to make, part of the
La plaque 1 est encastrée de manière connue dans un plan de
travail, dont apparaissent les bords antérieur 12 et postérieur 13.The
Sur chacune des figures 2, 3 et 4 ont été représentés une plaque
vitrocéramique 1, une touche sensitive de commande d'un ou plusieurs
moyens de cuisson ou de maintien en température qui comporte une
surface de commande en relief 6 et un élément capacitif 14.In each of Figures 2, 3 and 4 a plate has been represented
vitroceramic 1, one sensitive control button for one or more
means of cooking or maintaining temperature which comprises a
raised
Comme représenté à la figure 2, le relief 6 est formé par la partie
émergente d'un insert logé dans un évidement traversant de part en part
une zone périphérique de la plaque 1. Selon un autre mode de réalisation,
l'insert pourrait être positionné entre les bords voisins de deux modules
élémentaires constituant la plaque. L'insert est métallique, en matière
plastique ou, de préférence, en un matériau verrier tel que vitrocéramique.
Il est, éventuellement, solidarisé à la plaque 1, selon le matériau qui le
constitue, par collage, soudage de matériau verrier, etc.As shown in Figure 2, the
Des motifs sérigraphiés 17 sont des repères de niveaux de puissance
sélectionnés.Screen-printed
Selon la variante de la figure 3, le relief 6 est constitué d'un élément
simplement rapporté sur la plaque 1. Cet élément est réalisé dans le
même groupe de matériaux que ceux de l'insert mentionné
précédemment ; il est solidarisé à la plaque 1.According to the variant of Figure 3, the
Conformément à un autre mode de réalisation représenté à la
figure 4, le relief 6 est formé dans le matériau constitutif de la plaque
vitrocéramique 1 lui-même, notamment par effondrement, moulage ou
pressage comme évoqué ci-dessus.In accordance with another embodiment shown in the
Figure 4, the
Par conséquent, la plaque vitrocéramique de l'invention facilite le maintien d'une propreté parfaite ; le moyen de repérage des moyens de commande, constitué d'un relief dans le matériau de la plaque ou dans un autre matériau, offre une résistance optimale aux agressions mécaniques et chimiques. Sa formation ne présente aucune difficulté, mais s'intègre dans le procédé classique de fabrication des plaques vitrocéramiques, sans occasionner d'investissements supplémentaires. Toutes opérations de commandes et manipulations relatives à cette plaque sont rendues possibles en l'absence de toute approche visuelle, grâce au concept de repérage tactile intégral mis en oeuvre.Consequently, the ceramic hob of the invention facilitates the maintaining perfect cleanliness; the means of locating the means of control, consisting of a relief in the material of the plate or in a other material, offers optimal resistance to mechanical attack and chemicals. Its training presents no difficulty, but integrates in the conventional process for manufacturing ceramic hobs, without causing additional investments. All operations of commands and manipulations relating to this plate are returned possible in the absence of any visual approach, thanks to the concept of full tactile tracking implemented.
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9800537 | 1998-01-20 | ||
FR9800537A FR2773874B1 (en) | 1998-01-20 | 1998-01-20 | VITROCERAMIC PLATE COMPRISING A TOUCH MARKING RELIEF |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0930806A1 true EP0930806A1 (en) | 1999-07-21 |
EP0930806B1 EP0930806B1 (en) | 2006-02-15 |
Family
ID=9521932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99400117A Expired - Lifetime EP0930806B1 (en) | 1998-01-20 | 1999-01-19 | Glas-ceramic plate comprising arelief-patern for tactile locating tactile |
Country Status (8)
Country | Link |
---|---|
US (1) | US6118103A (en) |
EP (1) | EP0930806B1 (en) |
JP (2) | JPH11267019A (en) |
AT (1) | ATE318066T1 (en) |
CA (1) | CA2259678A1 (en) |
DE (1) | DE69929867T2 (en) |
ES (1) | ES2258315T3 (en) |
FR (1) | FR2773874B1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2838507A1 (en) | 2002-04-10 | 2003-10-17 | Eurokera | VITROCERAMIC PLATES, THEIR MANUFACTURING PROCESS AND COOKING TABLES EQUIPPED WITH SUCH PLATES |
WO2004025185A1 (en) | 2002-08-30 | 2004-03-25 | BSH Bosch und Siemens Hausgeräte GmbH | Cooking surface with a barrier |
EP1876394A2 (en) * | 2006-07-03 | 2008-01-09 | BSH Bosch und Siemens Hausgeräte GmbH | Touch slider having a haptical relief pattern |
EP2204909A1 (en) | 2009-01-05 | 2010-07-07 | Irlbacher Blickpunkt Glas GmbH | Touch-sensitive slide switch |
WO2014060108A3 (en) * | 2012-10-19 | 2014-09-12 | Audi Ag | Control element for a motor vehicle and method for producing a control element of this type |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10240148A1 (en) * | 2002-08-30 | 2004-03-11 | BSH Bosch und Siemens Hausgeräte GmbH | hob for cooking has insert element fitting in groove between cooking field and service field |
US7413521B2 (en) * | 2005-11-26 | 2008-08-19 | Kim Cherry | Portable protection screen for pitching machine |
JP4814760B2 (en) * | 2006-11-13 | 2011-11-16 | 大阪瓦斯株式会社 | Cooker |
DE202008017942U1 (en) * | 2008-08-27 | 2010-12-16 | Schott Ag | Cooktop |
US20120228282A1 (en) * | 2011-03-10 | 2012-09-13 | Bose Corporation | Cooktop |
DE102012020570C5 (en) * | 2012-10-19 | 2024-06-27 | Audi Ag | Control element for a motor vehicle and method for producing a control element |
US9470423B2 (en) | 2013-12-02 | 2016-10-18 | Bose Corporation | Cooktop power control system |
DE102014110923B4 (en) * | 2014-07-31 | 2016-06-02 | Schott Ag | Shaped glass or glass ceramic article |
FR3040767B1 (en) * | 2015-09-08 | 2018-07-27 | Eurokera | WORK PLAN IN VITROCERAMIC |
DE102016207233A1 (en) | 2016-04-28 | 2017-11-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | A method for locally forming a smooth surface of a substrate made of glass or a glass ceramic as well as a control element produced by the method |
US10584883B2 (en) | 2017-07-25 | 2020-03-10 | Haier Us Appliance Solutions, Inc. | Locator cover for a cooktop appliance |
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US3313919A (en) * | 1964-06-26 | 1967-04-11 | Corning Glass Works | Cooking apparatus with cooking vessel centering and holding means |
DE3600109A1 (en) * | 1986-01-04 | 1987-07-09 | Schott Glaswerke | COOKING SURFACE MADE OF GLASS CERAMIC OR COMPARABLE MATERIAL WITH A STRUCTURED SURFACE |
FR2680937A1 (en) * | 1991-08-28 | 1993-03-05 | Philips Electronique Lab | Cooking surface fitted with thermally insulated touch controls |
DE19612621A1 (en) * | 1996-03-29 | 1997-10-02 | Schott Glaswerke | Hob with glass and glass-ceramic surface carrying functional elements |
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FR443924A (en) | 1912-05-15 | 1912-10-05 | Gustav Becker | Pliers for removing bottle closures |
JPS62157092U (en) * | 1986-03-27 | 1987-10-06 | ||
FR2658591B1 (en) * | 1990-02-19 | 1993-12-31 | Scholtes | DRAFT CONTROL OF THE HEATING FIREPLACES OF A COOKING APPLIANCE, BY SENSITIVE BUTTONS. |
DE4226946C2 (en) * | 1992-08-14 | 1995-02-16 | Schott Glaswerke | Process for the production of decorated glass ceramic articles |
DE4235263C2 (en) * | 1992-10-20 | 1994-10-06 | Schott Glaswerke | Cooktop |
DE4319170C1 (en) * | 1993-06-09 | 1994-09-01 | Gaggenau Werke | Control and display unit for a cool top platform |
-
1998
- 1998-01-20 FR FR9800537A patent/FR2773874B1/en not_active Expired - Lifetime
-
1999
- 1999-01-18 CA CA002259678A patent/CA2259678A1/en not_active Abandoned
- 1999-01-19 AT AT99400117T patent/ATE318066T1/en not_active IP Right Cessation
- 1999-01-19 EP EP99400117A patent/EP0930806B1/en not_active Expired - Lifetime
- 1999-01-19 ES ES99400117T patent/ES2258315T3/en not_active Expired - Lifetime
- 1999-01-19 DE DE69929867T patent/DE69929867T2/en not_active Expired - Lifetime
- 1999-01-20 US US09/233,187 patent/US6118103A/en not_active Expired - Lifetime
- 1999-01-20 JP JP11012505A patent/JPH11267019A/en active Pending
-
2008
- 2008-09-10 JP JP2008231800A patent/JP2009030967A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3313919A (en) * | 1964-06-26 | 1967-04-11 | Corning Glass Works | Cooking apparatus with cooking vessel centering and holding means |
DE3600109A1 (en) * | 1986-01-04 | 1987-07-09 | Schott Glaswerke | COOKING SURFACE MADE OF GLASS CERAMIC OR COMPARABLE MATERIAL WITH A STRUCTURED SURFACE |
FR2680937A1 (en) * | 1991-08-28 | 1993-03-05 | Philips Electronique Lab | Cooking surface fitted with thermally insulated touch controls |
DE19612621A1 (en) * | 1996-03-29 | 1997-10-02 | Schott Glaswerke | Hob with glass and glass-ceramic surface carrying functional elements |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2838507A1 (en) | 2002-04-10 | 2003-10-17 | Eurokera | VITROCERAMIC PLATES, THEIR MANUFACTURING PROCESS AND COOKING TABLES EQUIPPED WITH SUCH PLATES |
WO2004025185A1 (en) | 2002-08-30 | 2004-03-25 | BSH Bosch und Siemens Hausgeräte GmbH | Cooking surface with a barrier |
EP1876394A2 (en) * | 2006-07-03 | 2008-01-09 | BSH Bosch und Siemens Hausgeräte GmbH | Touch slider having a haptical relief pattern |
EP1876394A3 (en) * | 2006-07-03 | 2008-05-28 | BSH Bosch und Siemens Hausgeräte GmbH | Touch slider having a haptical relief pattern |
EP2204909A1 (en) | 2009-01-05 | 2010-07-07 | Irlbacher Blickpunkt Glas GmbH | Touch-sensitive slide switch |
WO2014060108A3 (en) * | 2012-10-19 | 2014-09-12 | Audi Ag | Control element for a motor vehicle and method for producing a control element of this type |
EP2909055B1 (en) | 2012-10-19 | 2016-12-14 | Audi AG | Control element for an automobile vehicle and method for producing such a control element |
Also Published As
Publication number | Publication date |
---|---|
CA2259678A1 (en) | 1999-07-20 |
DE69929867D1 (en) | 2006-04-20 |
FR2773874A1 (en) | 1999-07-23 |
ES2258315T3 (en) | 2006-08-16 |
US6118103A (en) | 2000-09-12 |
JPH11267019A (en) | 1999-10-05 |
DE69929867T2 (en) | 2006-09-28 |
FR2773874B1 (en) | 2000-02-25 |
EP0930806B1 (en) | 2006-02-15 |
ATE318066T1 (en) | 2006-03-15 |
JP2009030967A (en) | 2009-02-12 |
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