EP0930806A1 - Glaskeramikkochplatte mit Erhebungen zur taktilen Orientierung - Google Patents

Glaskeramikkochplatte mit Erhebungen zur taktilen Orientierung Download PDF

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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
Application number
EP99400117A
Other languages
English (en)
French (fr)
Other versions
EP0930806B1 (de
Inventor
Pablo Vilato
Michel Grassi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eurokera SNC
Original Assignee
Eurokera SNC
Saint Gobain Vitrage SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eurokera SNC, Saint Gobain Vitrage SA filed Critical Eurokera SNC
Publication of EP0930806A1 publication Critical patent/EP0930806A1/de
Application granted granted Critical
Publication of EP0930806B1 publication Critical patent/EP0930806B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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)
  • Baking, Grill, Roasting (AREA)
  • Cookers (AREA)
  • Pens And Brushes (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Surface Treatment Of Glass (AREA)
  • Ceramic Products (AREA)
EP99400117A 1998-01-20 1999-01-19 Glaskeramikkochplatte mit Erhebungen zur taktilen Orientierung Expired - Lifetime EP0930806B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9800537 1998-01-20
FR9800537A FR2773874B1 (fr) 1998-01-20 1998-01-20 Plaque vitroceramique comportant un relief de reperage tactile

Publications (2)

Publication Number Publication Date
EP0930806A1 true EP0930806A1 (de) 1999-07-21
EP0930806B1 EP0930806B1 (de) 2006-02-15

Family

ID=9521932

Family Applications (1)

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EP99400117A Expired - Lifetime EP0930806B1 (de) 1998-01-20 1999-01-19 Glaskeramikkochplatte mit Erhebungen zur taktilen Orientierung

Country Status (8)

Country Link
US (1) US6118103A (de)
EP (1) EP0930806B1 (de)
JP (2) JPH11267019A (de)
AT (1) ATE318066T1 (de)
CA (1) CA2259678A1 (de)
DE (1) DE69929867T2 (de)
ES (1) ES2258315T3 (de)
FR (1) FR2773874B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2838507A1 (fr) 2002-04-10 2003-10-17 Eurokera Plaques vitroceramiques, leur procede de fabrication et tables de cuisson equipees de ces plaques
WO2004025185A1 (de) 2002-08-30 2004-03-25 BSH Bosch und Siemens Hausgeräte GmbH Kochfläche mit barriere
EP1876394A2 (de) * 2006-07-03 2008-01-09 BSH Bosch und Siemens Hausgeräte GmbH Gleitstreifen mit einer haptischen Strukturierung
EP2204909A1 (de) 2009-01-05 2010-07-07 Irlbacher Blickpunkt Glas GmbH Berührungsempfindlicher Gleitschalter
WO2014060108A3 (de) * 2012-10-19 2014-09-12 Audi Ag Bedienelement für einen kraftwagen und verfahren zur herstellung eines derartigen bedienelements

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10240148A1 (de) * 2002-08-30 2004-03-11 BSH Bosch und Siemens Hausgeräte GmbH Kochfläche mit Einlageelement
US7413521B2 (en) * 2005-11-26 2008-08-19 Kim Cherry Portable protection screen for pitching machine
JP4814760B2 (ja) * 2006-11-13 2011-11-16 大阪瓦斯株式会社 加熱調理器
DE102008039984A1 (de) * 2008-08-27 2010-03-04 Schott Ag Kochfläche
US20120228282A1 (en) * 2011-03-10 2012-09-13 Bose Corporation Cooktop
DE102012020570C5 (de) * 2012-10-19 2024-06-27 Audi Ag Bedienelement für einen Kraftwagen sowie Verfahren zum Herstellen eines Bedienelements
US9470423B2 (en) 2013-12-02 2016-10-18 Bose Corporation Cooktop power control system
DE102014110923B4 (de) * 2014-07-31 2016-06-02 Schott Ag Geformter Glas- oder Glaskeramikartikel
FR3040767B1 (fr) * 2015-09-08 2018-07-27 Eurokera Plan de travail en vitroceramique
DE102016207233A1 (de) 2016-04-28 2017-11-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum lokalen Umformen einer glatten Oberfläche eines aus Glas oder einer Glaskeramik gefertigten Substrates sowie ein mit dem Verfahren hergestelltes Bedienelement
US10584883B2 (en) 2017-07-25 2020-03-10 Haier Us Appliance Solutions, Inc. Locator cover for a cooktop appliance

Citations (4)

* Cited by examiner, † Cited by third party
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 (de) * 1986-01-04 1987-07-09 Schott Glaswerke Kochflaeche aus glaskeramik oder vergleichbarem material mit strukturierter oberflaeche
FR2680937A1 (fr) * 1991-08-28 1993-03-05 Philips Electronique Lab Table de cuisson munie de commandes tactiles isolees thermiquement.
DE19612621A1 (de) * 1996-03-29 1997-10-02 Schott Glaswerke Kochfeld mit einer Kochfläche aus Glas-/Glaskeramik

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR443924A (fr) 1912-05-15 1912-10-05 Gustav Becker Pince à retirer les fermetures de bouteilles
JPS62157092U (de) * 1986-03-27 1987-10-06
FR2658591B1 (fr) * 1990-02-19 1993-12-31 Scholtes Projet de commande des foyers de chauffage d'un appareil de cuisson, par touches sensitives.
DE4226946C2 (de) * 1992-08-14 1995-02-16 Schott Glaswerke Verfahren zur Herstellung von dekorierten Glaskeramikartikeln
DE4235263C2 (de) * 1992-10-20 1994-10-06 Schott Glaswerke Kochfeld
DE4319170C1 (de) * 1993-06-09 1994-09-01 Gaggenau Werke Bedienungs- und Anzeigeeinheit für eine Kochfeldplatte

Patent Citations (4)

* Cited by examiner, † Cited by third party
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 (de) * 1986-01-04 1987-07-09 Schott Glaswerke Kochflaeche aus glaskeramik oder vergleichbarem material mit strukturierter oberflaeche
FR2680937A1 (fr) * 1991-08-28 1993-03-05 Philips Electronique Lab Table de cuisson munie de commandes tactiles isolees thermiquement.
DE19612621A1 (de) * 1996-03-29 1997-10-02 Schott Glaswerke Kochfeld mit einer Kochfläche aus Glas-/Glaskeramik

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2838507A1 (fr) 2002-04-10 2003-10-17 Eurokera Plaques vitroceramiques, leur procede de fabrication et tables de cuisson equipees de ces plaques
WO2004025185A1 (de) 2002-08-30 2004-03-25 BSH Bosch und Siemens Hausgeräte GmbH Kochfläche mit barriere
EP1876394A2 (de) * 2006-07-03 2008-01-09 BSH Bosch und Siemens Hausgeräte GmbH Gleitstreifen mit einer haptischen Strukturierung
EP1876394A3 (de) * 2006-07-03 2008-05-28 BSH Bosch und Siemens Hausgeräte GmbH Gleitstreifen mit einer haptischen Strukturierung
EP2204909A1 (de) 2009-01-05 2010-07-07 Irlbacher Blickpunkt Glas GmbH Berührungsempfindlicher Gleitschalter
WO2014060108A3 (de) * 2012-10-19 2014-09-12 Audi Ag Bedienelement für einen kraftwagen und verfahren zur herstellung eines derartigen bedienelements
EP2909055B1 (de) 2012-10-19 2016-12-14 Audi AG Bedienelement für einen kraftwagen und verfahren zur herstellung eines derartigen bedienelements

Also Published As

Publication number Publication date
CA2259678A1 (fr) 1999-07-20
DE69929867T2 (de) 2006-09-28
ATE318066T1 (de) 2006-03-15
US6118103A (en) 2000-09-12
JP2009030967A (ja) 2009-02-12
FR2773874B1 (fr) 2000-02-25
ES2258315T3 (es) 2006-08-16
DE69929867D1 (de) 2006-04-20
JPH11267019A (ja) 1999-10-05
FR2773874A1 (fr) 1999-07-23
EP0930806B1 (de) 2006-02-15

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