EP2664856B1 - Cooking hob plate - Google Patents

Cooking hob plate Download PDF

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Publication number
EP2664856B1
EP2664856B1 EP13167579.5A EP13167579A EP2664856B1 EP 2664856 B1 EP2664856 B1 EP 2664856B1 EP 13167579 A EP13167579 A EP 13167579A EP 2664856 B1 EP2664856 B1 EP 2664856B1
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EP
European Patent Office
Prior art keywords
hob plate
protective film
hob
plate
underside
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.)
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EP13167579.5A
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German (de)
French (fr)
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EP2664856A1 (en
Inventor
Sara Alonso Molina
Adolfo Arnal Valero
Diego Dionisio Micolau
Raul Garcia Romera
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to EP13167579.5A priority Critical patent/EP2664856B1/en
Publication of EP2664856A1 publication Critical patent/EP2664856A1/en
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Publication of EP2664856B1 publication Critical patent/EP2664856B1/en
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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
    • F24C15/108—Mounting of hot plate on worktop

Definitions

  • the invention relates to a hob plate made of glass or glass ceramic according to the preamble of claim 1 and a hob with a hob plate and a housing for receiving heating elements according to the preamble of claim 6.
  • the hob plates are integrally connected to a mounting element designed as a mounting frame, which is provided for fastening a housing for receiving heating elements and / or electronic components arranged under the hob plate for operating the heating elements.
  • the housing is usually screwed to the mounting frame.
  • the DE 196 49 767 A1 discloses an arrangement for attaching glass ceramic cooktops with an edge area tapered to a thin edge on a worktop.
  • the DE 10 2006 017 250 A1 discloses a plate unit for a cooking device, comprising a transparent base body with a visible side and a rear side arranged opposite the visible side, a metal-like layer and at least one decorative section, which, viewed from the visible side, are arranged behind the rear side.
  • the EP 1 383 356 A2 discloses a transparent glass / glass ceramic plate with a metal appearance for products with a hot area, the metal appearance being produced by a metallic foil / plate attached to the side of the plate facing away from the viewer.
  • the features known from this document have been included in the preamble of claim 1.
  • the DE 200 05 461 U1 discloses a hob with a transparent, non-colored glass ceramic plate or alternatively with a glass plate made of tempered special glass as a cooking surface, which has radiant heating elements, on which decorations are attached and the underside of which bears an IR-permeable layer of a temperature-resistant color.
  • the DE 10 2010 063 051 A1 discloses an arrangement with a worktop and a domestic appliance, for example a hob, which engages in a recess in the worktop and is supported on the surface of the worktop with an edge region which projects beyond the edge of the recess and on the surface of the worktop and by means of fastening means on the Worktop is attached.
  • a domestic appliance for example a hob
  • the EP 0 639 538 A2 discloses a method for forming a permanently elastic, easily detachable adhesive connection in the event of disassembly, in particular made of temperature-resistant silicone compounds, between a plate made of glass, glass ceramic or a similar material, between a cooking surface in a recess in a work surface and one arranged in the recess and on the edge thereof Underlay overlying sealing frame and a holding frame connected to the sealing frame, on which the plate rests, the adhesive strength between the permanently elastic adhesive connection and the parts of the plate in contact therewith being adjusted by means of release agents.
  • the DE 35 01 490 A1 discloses a direct glazing process for modern automobiles, in which the panes are glued directly to the body using an adhesive.
  • the JP 2010-092650 A discloses a glass top in which the operating part of the top of a cooking appliance can be shaped into a touch panel.
  • the cooktop plate is exposed to special mechanical loads which arise, for example, when handling the cooktop plate for the purposes of assembling and disassembling the cooktop housing with the mounting frame. Coatings or decorations applied to the underside of the hob are particularly stressed.
  • the invention has for its object in particular to provide a cooktop which is largely protected from damage caused by mechanical stress during the assembly and disassembly of a generic cooktop.
  • the invention is based on a hob plate made of glass or glass ceramic, comprising an upper side and an underside opposite the upper side, with at least one — in particular cohesive — mounting element connected to the underside.
  • a protective film is arranged at least partially all around in an edge region of the underside and is designed to protect a coating on the underside. In this way it is achieved that the areas which are particularly stressed during assembly or disassembly of the hob are protected against mechanical wear. In particular, easily recognizable damage to the coating of the hob plate is avoided.
  • the mounting element is designed as an at least partially encircling monthly rail spaced from the edge of the hob plate.
  • the protective film is arranged in strips in the area between the mounting rail and the outer edge of the hob plate. Strip-like arrangement in the sense of the invention means that an imaginary strip along an edge of the hob plate between the outer flank of the mounting rail and the outer edge of the hob plate is covered as far as possible by the protective film.
  • the protective film is designed to protect the coating on the underside from mechanical wear.
  • the protective film comprises an adhesive surface for gluing the protective film to the hob plate and a protective surface, the protective surface facing away from the hob plate in a bonded state of the protective film.
  • the protective surface of the protective film comprises a polyurethane coating.
  • the protective film is at least almost transparent.
  • the protective film has a thickness between 50 and 600 ⁇ m.
  • the invention relates to a cooktop with a cooktop plate made of glass or glass ceramic, comprising an upper side and one opposite the upper side Underside, with at least one - in particular cohesive - mounting element connected to the underside and a housing for receiving heating elements and / or electronic components arranged under the underside for operating the heating elements, the housing being connected to the hob plate via the mounting element.
  • a protective film is arranged at least partially all around in an edge region of the underside and is designed to protect a coating on the underside.
  • the protective film remains on the cooktop plate in an assembled state of the cooktop.
  • the protective film is attached to the hob plate by gluing.
  • the protective film is not applied to the hob plate by coating according to the invention.
  • FIG 1 shows a cooktop with a cooktop 10 made of glass ceramic and a housing 12 which is designed to accommodate induction coils and electronic components for operating the induction coils and a fan.
  • the induction coils and the electronic components are not shown here for reasons of clarity.
  • the hob 10 is in the Figure 1
  • the illustrated embodiment is made of glass ceramic and comprises an upper side 16 for setting up cookware and an underside 18 opposite the upper side 16.
  • mounting rails 14 are glued over the entire circumference of the cooktop plate 10 in an edge region, via which the housing 12 is connected to the hob 10.
  • Figure 1 shows an operating configuration in which the cooktop 10 completely closes the housing 12 and in which the housing 12 is arranged centrally under the cooktop 10, so that the cooktop 10 is equally over the front and rear, as well as on the left and right edges the housing 12 protrudes.
  • the hob is intended for installation in a worktop (not shown), the mounting frame 14 and the housing 12 fastened to the mounting frame 14 being let into an opening in the worktop.
  • Figure 2 shows a section of the hob 10 Figure 1 in a vertical section without the connected housing 12.
  • the mounting rail 14 has an L-shaped profile in the section running perpendicular to the underside 18 of the hob plate 10.
  • An outside flank of the vertical leg of the L-shaped profile runs parallel to the outer edge of the underside 18. At least for opposite edges of the cooktop 10, the outside of the mounting rail 14 thus has an equal distance from the outer edge of the underside 18, taking into account manufacturing tolerances .
  • a protective film 20 is provided in the area between the outer flank of the mounting rail 14 and the outer edge of the underside 18 of the hob plate 10. It is precisely this area covered by the protective film that is subjected to high mechanical stress during assembly and disassembly of the hob, for example due to the attachment and removal of the hob plate.
  • a colored coating and / or decorations are applied to the underside of a hob, which, when viewed from the top, produce a desired optical effect. Damage in this area would above all affect this coating and / or decor applied to the underside, which would be immediately visible in an assembled operating state and would lead to a perceived reduction in quality.
  • the protective film is consequently designed to protect the hob plate and in particular the coating and / or decor applied to the underside of the hob plate from mechanical wear.
  • the protective film comprises a transparent adhesive layer, a polyurethane layer and a polyethylene layer when viewed from the underside and has a thickness in the range of 200 ⁇ m.
  • the protective film in this exemplary embodiment is designed to be transparent so that it does not optically stand out from the rest of the hob plate when the top view of the hob plate is viewed from above.
  • the protective film according to the invention is equally suitable for induction hobs as for hobs with radiant heaters.
  • Figure 3 shows a perspective view of the underside 18 of a hob 10 with mounting elements 14 and a circumferential protective film 20.
  • the underside 18 of the Hob is provided with a metallic coating, which gives the viewer a metallic appearance.
  • the person skilled in the art will provide further or alternative coatings in order to achieve the required electromagnetic, optical or mechanical properties.
  • Mounting rails 14a, 14b, 14c and 14d run parallel to the front and rear 14a, 14c, as well as to the side edges 14b, 14d of the hob plate 10.
  • the outer flank of the mounting rails 14a, 14b, 14c and 14d is the respective outer edge of the Hob is spaced so that a stripe is created between the two.
  • the respective distance between the side mounting rails 14b, 14d and the respective outer, closest edge of the hob plate 10, as well as the respective distance between the front and rear mounting rails 14a, 14c and the respective outer, closest edge of the hob plate 10 are the same.
  • a protective film 20 is glued on along an imaginary strip on the one hand between the mounting rail 14a, 14b, 14c and 14d or its imaginary extension in the longitudinal direction and on the other hand the respective outer, closest edge of the hob plate 10. In this way, the coating on the underside 18 is continuously protected against damage along the edge region.
  • the hob When the hob is being assembled or disassembled, the hob is gripped in this edge area by the assembly technician for attaching or detaching the hob. Consequently, this edge area in particular is exposed to increased mechanical stress.
  • the protective film effectively prevents wear and tear.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Electric Stoves And Ranges (AREA)

Description

Die Erfindung betrifft eine Kochfeldplatte aus Glas oder Glaskeramik nach dem Oberbegriff des Anspruch 1 und ein Kochfeld mit einer Kochfeldplatte und einem Gehäuse zur Aufnahme von Heizelementen nach dem Oberbegriff des Anspruchs 6.The invention relates to a hob plate made of glass or glass ceramic according to the preamble of claim 1 and a hob with a hob plate and a housing for receiving heating elements according to the preamble of claim 6.

Aus dem Stand der Technik sind vielfältige Varianten von Kochfeldern mit Kochfeldplatten aus Glas oder Glaskeramik bekannt. Die Kochfeldplatten sind dabei stoffschlüssig mit einem als Montagerahmen ausgebildeten Montageelement verbunden, das zur Befestigung eines Gehäuses zur Aufnahme von unter der Kochfeldplatte angeordneten Heizelementen und/oder Elektronikbauteilen zum Betreiben der Heizelemente vorgesehen ist. Üblicherweise wird das Gehäuse mit dem Montagerahmen verschraubt.Various variants of cooktops with cooktop panels made of glass or glass ceramic are known from the prior art. The hob plates are integrally connected to a mounting element designed as a mounting frame, which is provided for fastening a housing for receiving heating elements and / or electronic components arranged under the hob plate for operating the heating elements. The housing is usually screwed to the mounting frame.

Die DE 196 49 767 A1 offenbart eine Anordnung zum Anbringen von Glaskeramik-Kochflächen mit einem zu einer dünnen Kante verjüngten Randbereich an einer Arbeitsplatte.The DE 196 49 767 A1 discloses an arrangement for attaching glass ceramic cooktops with an edge area tapered to a thin edge on a worktop.

Die DE 10 2006 017 250 A1 offenbart eine Platteneinheit für eine Kochvorrichtung, umfassend einen transparenten Grundkörper mit einer Sichtseite und einer der Sichtseite gegenüber angeordneten Hinterseite, eine metallartige Schicht und zumindest einen Dekorabschnitt, die, von der Sichtseite aus betrachtet, hinter der Hinterseite angeordnet sind.The DE 10 2006 017 250 A1 discloses a plate unit for a cooking device, comprising a transparent base body with a visible side and a rear side arranged opposite the visible side, a metal-like layer and at least one decorative section, which, viewed from the visible side, are arranged behind the rear side.

Die EP 1 383 356 A2 offenbart eine transparente Glas/Glaskeramikplatte mit Metallanmutung für Produkte mit Heißbereich, wobei die Metallanmutung durch eine auf der vom Betrachter abgewandten Seite der Platte angebrachten metallischen Folie/Platte erzeugt wird. Die aus diesem Dokument bekannten Merkmale wurden in den Oberbegriff des Anspruchs 1 aufgenommen.The EP 1 383 356 A2 discloses a transparent glass / glass ceramic plate with a metal appearance for products with a hot area, the metal appearance being produced by a metallic foil / plate attached to the side of the plate facing away from the viewer. The features known from this document have been included in the preamble of claim 1.

Die DE 200 05 461 U1 offenbart ein Kochfeld mit einer transparenten, nicht eingefärbten Glaskeramikplatte oder alternativ mit einer Glasplatte aus vorgespanntem Spezialglas als Kochfläche, die mit Strahlungsheizelementen beheizte Kochzonen aufweist, an der Dekore angebracht sind und deren Unterseite eine IR-durchlässige Schicht aus einer temperaturbeständigen Farbe trägt.The DE 200 05 461 U1 discloses a hob with a transparent, non-colored glass ceramic plate or alternatively with a glass plate made of tempered special glass as a cooking surface, which has radiant heating elements, on which decorations are attached and the underside of which bears an IR-permeable layer of a temperature-resistant color.

Die DE 10 2010 063 051 A1 offenbart eine Anordnung mit einer Arbeitsplatte und einem Hausgerät, z.B. einem Kochfeld, das in eine Ausnehmung der Arbeitsplatte eingreift und sich mit einem, über den Rand der Ausnehmung hinaus über die Oberfläche der Arbeitsplatte auskragenden Randbereich auf der Oberfläche der Arbeitsplatte abstützt und mittels Befestigungsmitteln an der Arbeitsplatte befestigt ist.The DE 10 2010 063 051 A1 discloses an arrangement with a worktop and a domestic appliance, for example a hob, which engages in a recess in the worktop and is supported on the surface of the worktop with an edge region which projects beyond the edge of the recess and on the surface of the worktop and by means of fastening means on the Worktop is attached.

Die EP 0 639 538 A2 offenbart ein Verfahren zur Ausbildung einer dauerelastischen, im Demontagefall leicht lösbaren Klebeverbindung, insbesondere aus temperaturbeständigen Silikonverbindungen, zwischen einer Platte aus Glas, Glaskeramik oder einem ähnlichen Material, zwischen einer Kochfläche in einer Aussparung einer Arbeitsfläche und einem in der Aussparung angeordneten und auf deren Rand als Unterlage aufliegenden Dichtrahmen und einem mit dem Dichtrahmen verbundenen Halterahmen, auf dem die Platte ruht, wobei die Haftfestigkeit zwischen der dauerelastischen Klebeverbindung und den dazu in Kontakt stehenden Teilen der Platte durch Trennmittel eingestellt wird.The EP 0 639 538 A2 discloses a method for forming a permanently elastic, easily detachable adhesive connection in the event of disassembly, in particular made of temperature-resistant silicone compounds, between a plate made of glass, glass ceramic or a similar material, between a cooking surface in a recess in a work surface and one arranged in the recess and on the edge thereof Underlay overlying sealing frame and a holding frame connected to the sealing frame, on which the plate rests, the adhesive strength between the permanently elastic adhesive connection and the parts of the plate in contact therewith being adjusted by means of release agents.

Die DE 35 01 490 A1 offenbart ein direktes Verglasungsverfahren für moderne Automobile, in dem die Scheiben mit der Karosserie mittels eines Klebstoffes direkt verklebt werden.The DE 35 01 490 A1 discloses a direct glazing process for modern automobiles, in which the panes are glued directly to the body using an adhesive.

Die JP 2010-092650 A offenbart eine Glasoberseite, bei der der Bedienteil der Oberseite eines Gargeräts zu einem Touchpanel geformt werden kann.The JP 2010-092650 A discloses a glass top in which the operating part of the top of a cooking appliance can be shaped into a touch panel.

Die Kochfeldplatte wird bei der Herstellung oder der Wartung des Kochfeldes besonderen mechanischen Belastungen ausgesetzt, welche beispielsweise beim Hantieren mit der Kochfeldplatte für die Zwecke von Montage und Demontage des Kochfeldgehäuses mit dem Montagerahmen entstehen. Hierbei werden insbesondere auf der Unterseite der Kochfeldplatte aufgebrachte Beschichtungen oder Dekors beansprucht.During the manufacture or maintenance of the hob, the cooktop plate is exposed to special mechanical loads which arise, for example, when handling the cooktop plate for the purposes of assembling and disassembling the cooktop housing with the mounting frame. Coatings or decorations applied to the underside of the hob are particularly stressed.

Der Erfindung liegt insbesondere die Aufgabe zugrunde, eine Kochfeldplatte zu schaffen, welche bei der Montage und Demontage eines gattungsgemäßen Kochfeldes vor durch mechanische Beanspruchung verursachten Schäden weitgehend geschützt ist.The invention has for its object in particular to provide a cooktop which is largely protected from damage caused by mechanical stress during the assembly and disassembly of a generic cooktop.

Die Aufgabe wird gelöst durch eine Kochfeldplatte und ein Kochfeld mit den Merkmalen der Patentansprüche 1 und 6. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Patentansprüchen angegeben.The object is achieved by a cooktop and a cooktop with the features of claims 1 and 6. Advantageous developments of the invention are specified in the dependent claims.

Die Erfindung geht aus von einer Kochfeldplatte aus Glas oder Glaskeramik umfassend eine Oberseite und eine der Oberseite gegenüber liegende Unterseite, mit wenigstens einem -insbesondere stoffschlüssig- mit der Unterseite verbundenen Montageelement.The invention is based on a hob plate made of glass or glass ceramic, comprising an upper side and an underside opposite the upper side, with at least one — in particular cohesive — mounting element connected to the underside.

Es wird vorgeschlagen, dass eine Schutzfolie in einem Randbereich der Unterseite zumindest teilweise umlaufend angeordnet ist und zum Schutz einer Beschichtung der Unterseite ausgelegt ist. Auf diese Weise wird erreicht, dass die bei einer Montage oder Demontage der Kochfeldplatte besonders beanspruchten Bereiche vor einer mechanischen Abnutzung geschützt werden. Insbesondere leicht erkennbare Beschädigungen an der Beschichtung der Kochfeldplatte werden somit vermieden.It is proposed that a protective film is arranged at least partially all around in an edge region of the underside and is designed to protect a coating on the underside. In this way it is achieved that the areas which are particularly stressed during assembly or disassembly of the hob are protected against mechanical wear. In particular, easily recognizable damage to the coating of the hob plate is avoided.

Nach einer Weiterbildung der Erfindung ist das Montageelement als zumindest teilweise umlaufende und vom Rand der Kochfeldplatte beabstandete Monatageschiene ausgelegt ist. Die Schutzfolie ist in dem Bereich zwischen Montageschiene und äußerem Rand der Kochfeldplatte streifenförmig angeordnet. Streifenförmige Anordnung im Sinne der Erfindung meint, dass ein gedachter Streifen entlang einer Kante der Kochfeldplatte zwischen Außenflanke der Montageschiene und äußerem Rand der Kochfeldplatte durch die Schutzfolie möglichst weitgehend abgedeckt wird.According to a development of the invention, the mounting element is designed as an at least partially encircling monthly rail spaced from the edge of the hob plate. The protective film is arranged in strips in the area between the mounting rail and the outer edge of the hob plate. Strip-like arrangement in the sense of the invention means that an imaginary strip along an edge of the hob plate between the outer flank of the mounting rail and the outer edge of the hob plate is covered as far as possible by the protective film.

Die Schutzfolie ist zum Schutz der Beschichtung der Unterseite vor einer mechanischen Abnutzung ausgelegt.The protective film is designed to protect the coating on the underside from mechanical wear.

Die Schutzfolie umfasst eine Klebefläche zum Verkleben der Schutzfolie mit der Kochfeldplatte und eine Schutzfläche, wobei die Schutzfläche in einem verklebten Zustand der Schutzfolie der Kochfeldplatte abgewandt ist.The protective film comprises an adhesive surface for gluing the protective film to the hob plate and a protective surface, the protective surface facing away from the hob plate in a bonded state of the protective film.

Ferner wird vorgeschlagen, dass die Schutzfläche der Schutzfolie eine Polyurethan Beschichtung umfasst.It is also proposed that the protective surface of the protective film comprises a polyurethane coating.

In einer weiteren Ausgestaltung der Erfindung ist die Schutzfolie zumindest nahezu transparent.In a further embodiment of the invention, the protective film is at least almost transparent.

In einer weiteren Ausgestaltung weist die Schutzfolie eine Dicke zwischen 50 und 600 µm auf.In a further embodiment, the protective film has a thickness between 50 and 600 μm.

Ferner betrifft die Erfindung ein Kochfeld mit einer Kochfeldplatte aus Glas oder Glaskeramik umfassend eine Oberseite und eine der Oberseite gegenüber liegende Unterseite, mit wenigstens einem -insbesondere stoffschlüssig- mit der Unterseite verbundenen Montageelement und einem Gehäuse zur Aufnahme von unter der Unterseite angeordneten Heizelementen und/oder Elektronikbauteilen zum Betreiben der Heizelemente, wobei das Gehäuse über das Montageelement mit der Kochfeldplatte verbunden ist.Furthermore, the invention relates to a cooktop with a cooktop plate made of glass or glass ceramic, comprising an upper side and one opposite the upper side Underside, with at least one - in particular cohesive - mounting element connected to the underside and a housing for receiving heating elements and / or electronic components arranged under the underside for operating the heating elements, the housing being connected to the hob plate via the mounting element.

Es wird vorgeschlagen, dass eine Schutzfolie in einem Randbereich der Unterseite zumindest teilweise umlaufend angeordnet ist und zum Schutz einer Beschichtung der Unterseite ausgelegt ist.It is proposed that a protective film is arranged at least partially all around in an edge region of the underside and is designed to protect a coating on the underside.

In einer Weiterbildung der erfindungsgemäßen Kochfeldplatte verbleibt die Schutzfolie in einem montierten Zustand des Kochfeldes auf der Kochfeldplatte.In a development of the cooktop plate according to the invention, the protective film remains on the cooktop plate in an assembled state of the cooktop.

Erfindungsgemäß ist die Schutzfolie auf der Kochfeldplatte durch Verkleben angebracht. Nicht erfindungsgemäß wird die Schutzfolie auf der Kochfeldplatte durch Beschichten angebracht.According to the invention, the protective film is attached to the hob plate by gluing. The protective film is not applied to the hob plate by coating according to the invention.

Weitere Vorteile und kennzeichnende Merkmale der Erfindung ergeben sich aus der folgenden Figurenbeschreibung. Die Figurenbeschreibung, die Zeichnungen und die Ansprüche enthalten zahlreiche Merkmale in einer Kombination, die lediglich Ausführungsbeispiele der Erfindung darstellen. Der Fachmann wird erkennen, dass auch weitere Teilkombinationen der dargestellten und beschriebenen Merkmale zur Ausnutzung des in den Patentansprüchen beschriebenen Erfindungsgedankens verwendbar sind, ohne das sie Teil des Schutzumfanges, wie durch die Ansprüche definiert, sind. Es zeigen:

Figur 1
ein Kochfeld mit einer Kochfeldplatte und ein an der Unterseite der Kochfeldplatte über einen Montagerahmen befestigtes Gehäuse,
Figur 2
einen Vertikalschnitt der Kochfeldplatte und des Montagerahmens aus Figur 1 in einer schematischen Darstellung,
Figur 3
die Unterseite einer Kochfeldplatte mit Montageelementen und aufgebrachter Schutzfolie.
Further advantages and characteristic features of the invention result from the following description of the figures. The description of the figures, the drawings and the claims contain numerous features in a combination which merely represent exemplary embodiments of the invention. The person skilled in the art will recognize that further partial combinations of the features shown and described are also used Exploitation of the inventive concept described in the claims can be used without being part of the scope of protection as defined by the claims. Show it:
Figure 1
a hob with a hob plate and a housing fastened to the underside of the hob plate via a mounting frame,
Figure 2
a vertical section of the hob plate and the mounting frame Figure 1 in a schematic representation,
Figure 3
the underside of a hob with mounting elements and protective film.

Figur 1 zeigt ein Kochfeld mit einer Kochfeldplatte 10 aus Glaskeramik und einem Gehäuse 12, das zur Aufnahme von Induktionsspulen und Elektronikbauteilen zum Betreiben der Induktionsspulen sowie eines Lüfters ausgelegt ist. Die Induktionsspulen und die Elektronikbauteile sind aus Gründen der Übersichtlichkeit hier nicht dargestellt. Figure 1 shows a cooktop with a cooktop 10 made of glass ceramic and a housing 12 which is designed to accommodate induction coils and electronic components for operating the induction coils and a fan. The induction coils and the electronic components are not shown here for reasons of clarity.

Die Kochfeldplatte 10 ist in dem in Figur 1 dargestellten Ausführungsbeispiel aus Glaskeramik ausgebildet und umfasst eine Oberseite 16 zum Aufstellen von Kochgeschirr und eine der Oberseite 16 gegenüber liegende Unterseite 18. An der Unterseite 18 sind in einem Randbereich der Kochfeldplatte 10 über den gesamten Umfang der Kochfeldplatte 10 Montageschienen 14 verklebt, über die das Gehäuse 12 mit der Kochfeldplatte 10 verbunden ist. Figur 1 zeigt eine Betriebskonfiguration, in welcher die Kochfeldplatte 10 das Gehäuse 12 vollständig verschließt und in welcher das Gehäuse 12 mittig unter der Kochfeldplatte 10 angeordnet ist, so dass die Kochfeldplatte 10 im gleichen Maße an der vorderen und hinteren, sowie an der linken und rechten Kante über das Gehäuse 12 hinausragt.The hob 10 is in the Figure 1 The illustrated embodiment is made of glass ceramic and comprises an upper side 16 for setting up cookware and an underside 18 opposite the upper side 16. On the underside 18, mounting rails 14 are glued over the entire circumference of the cooktop plate 10 in an edge region, via which the housing 12 is connected to the hob 10. Figure 1 shows an operating configuration in which the cooktop 10 completely closes the housing 12 and in which the housing 12 is arranged centrally under the cooktop 10, so that the cooktop 10 is equally over the front and rear, as well as on the left and right edges the housing 12 protrudes.

Das Kochfeld ist zum Einbau in einer nicht dargestellten Arbeitsplatte vorgesehen, wobei der Montagerahmen 14 und das an dem Montagerahmen 14 befestigte Gehäuse 12 in eine Öffnung in der Arbeitsplatte eingelassen werden.The hob is intended for installation in a worktop (not shown), the mounting frame 14 and the housing 12 fastened to the mounting frame 14 being let into an opening in the worktop.

Figur 2 zeigt einen Ausschnitt der Kochfeldplatte 10 aus Figur 1 in einem Vertikalschnitt ohne das verbundene Gehäuse 12. Die Montageschiene 14 hat ein in dem senkrecht zur Unterseite 18 der Kochfeldplatte 10 verlaufenden Schnitt ein L-förmiges Profil.
Eine außenseitige Flanke des vertikalen Schenkels des L-förmigen Profils verläuft dabei parallel zur äußeren Kante der Unterseite 18. Zumindest für gegenüberliegende Ränder der Kochfeldplatte 10 weist somit unter Berücksichtigung von Fertigungstoleranzen die Außenseite der Montageschiene 14 jeweils einen gleichen Abstand zum äußeren Rand der Unterseite 18 auf. Figure 2 shows a section of the hob 10 Figure 1 in a vertical section without the connected housing 12. The mounting rail 14 has an L-shaped profile in the section running perpendicular to the underside 18 of the hob plate 10.
An outside flank of the vertical leg of the L-shaped profile runs parallel to the outer edge of the underside 18. At least for opposite edges of the cooktop 10, the outside of the mounting rail 14 thus has an equal distance from the outer edge of the underside 18, taking into account manufacturing tolerances .

In dem Bereich zwischen Außenflanke der Montageschiene 14 und Außenrand der Unterseite 18 der Kochfeldplatte 10 ist eine Schutzfolie 20 vorgesehen. Gerade dieser von der Schutzfolie bedeckte Bereich wird bei der Montage und Demontage des Kochfeldes mechanisch stark beansprucht, beispielsweise durch das An- und Absetzen der Kochfeldplatte. In der Regel sind an der Unterseite einer Kochfeldplatte eine farbliche Beschichtung und/oder Dekors aufgebracht, welche von der Oberseite aus betrachtet einen gewünschten optischen Effekt hervorrufen. Eine Beschädigung in diesem Bereich würde vor allen Dingen diese an der Unterseite aufgebrachte Beschichtung und/oder Dekors treffen, was in einem montierten Betriebszustand sofort zu sehen und zu einer wahrgenommenen Qualitätsminderung führen würde.A protective film 20 is provided in the area between the outer flank of the mounting rail 14 and the outer edge of the underside 18 of the hob plate 10. It is precisely this area covered by the protective film that is subjected to high mechanical stress during assembly and disassembly of the hob, for example due to the attachment and removal of the hob plate. As a rule, a colored coating and / or decorations are applied to the underside of a hob, which, when viewed from the top, produce a desired optical effect. Damage in this area would above all affect this coating and / or decor applied to the underside, which would be immediately visible in an assembled operating state and would lead to a perceived reduction in quality.

Die Schutzfolie ist folglich zum Schutz der Kochfeldplatte und insbesondere der an der Unterseite der Kochfeldplatte aufgebrachten Beschichtung und/oder Dekors vor mechanischer Abnutzung ausgelegt. In diesem Ausführungsbeispiel umfasst die Schutzfolie aus Richtung der Unterseite betrachtet eine transparente Klebeschicht, eine Polyurethan Schicht und eine Polyethylen Schicht und weist eine Dicke im Bereich von 200 µm auf. Zudem ist die Schutzfolie in diesem Ausführungsbeispiel transparent ausgestaltet, damit sie sich bei der Draufsicht auf die Oberseite der Kochfeldplatte optisch nicht von dem Rest der Kochfeldplatte absetzt.The protective film is consequently designed to protect the hob plate and in particular the coating and / or decor applied to the underside of the hob plate from mechanical wear. In this exemplary embodiment, the protective film comprises a transparent adhesive layer, a polyurethane layer and a polyethylene layer when viewed from the underside and has a thickness in the range of 200 μm. In addition, the protective film in this exemplary embodiment is designed to be transparent so that it does not optically stand out from the rest of the hob plate when the top view of the hob plate is viewed from above.

Die erfindungsgemäße Schutzfolie ist gleichermaßen für Induktionskochfelder wie für Kochfelder mit Strahlungsheizkörpern geeignet.The protective film according to the invention is equally suitable for induction hobs as for hobs with radiant heaters.

Figur 3 zeigt in perspektivischer Ansicht die Unterseite 18 einer Kochfeldplatte 10 mit Montageelementen 14 und einer umlaufenden Schutzfolie 20. Die Unterseite 18 der Kochfeldplatte ist mit einer metallischen Beschichtung versehen, welche auf der Oberseite für einen Betrachter eine metallische Anmutung hervorruft. Weitere oder alternative Beschichtungen wird der Fachmann zur Erzielung geforderter elektro-magnetischer, optischer oder mechanischer Eigenschaften bedarfsgerecht vorsehen. Figure 3 shows a perspective view of the underside 18 of a hob 10 with mounting elements 14 and a circumferential protective film 20. The underside 18 of the Hob is provided with a metallic coating, which gives the viewer a metallic appearance. The person skilled in the art will provide further or alternative coatings in order to achieve the required electromagnetic, optical or mechanical properties.

Montageschienen 14a, 14b, 14c und 14d verlaufen parallel zu den vorderen und hinteren 14a, 14c, sowie zu den seitlichen 14b, 14d Kanten der Kochfeldplatte 10. Die äußere Flanke der Montageschienen 14a, 14b, 14c und 14d ist dabei zur jeweils äußeren Kante der Kochfeldplatte beabstandet, so dass ein Streifen zwischen beiden entsteht. In diesem Ausführungsbeispiel ist der jeweilige Abstand zwischen den seitlichen Montageschienen 14b, 14d und der jeweils äußeren, nächstgelegenen Kante der Kochfeldplatte 10, sowie der jeweilige Abstand zwischen vorderer und hinterer Montageschiene 14a, 14c und der jeweils äußeren, nächstgelegenen Kante der Kochfeldplatte 10 gleich groß.Mounting rails 14a, 14b, 14c and 14d run parallel to the front and rear 14a, 14c, as well as to the side edges 14b, 14d of the hob plate 10. The outer flank of the mounting rails 14a, 14b, 14c and 14d is the respective outer edge of the Hob is spaced so that a stripe is created between the two. In this embodiment, the respective distance between the side mounting rails 14b, 14d and the respective outer, closest edge of the hob plate 10, as well as the respective distance between the front and rear mounting rails 14a, 14c and the respective outer, closest edge of the hob plate 10 are the same.

Entlang eines gedachten Streifens einerseits zwischen Montageschiene 14a, 14b, 14c und 14d bzw. deren gedachter Verlängerung in Längsrichtung und andererseits der jeweils äußeren, nächstgelegenen Kante der Kochfeldplatte 10 ist eine Schutzfolie 20 aufgeklebt. Auf diese Weise wird die Beschichtung der Unterseite 18 entlang des Randbereiches durchgehend vor Beschädigungen geschützt.A protective film 20 is glued on along an imaginary strip on the one hand between the mounting rail 14a, 14b, 14c and 14d or its imaginary extension in the longitudinal direction and on the other hand the respective outer, closest edge of the hob plate 10. In this way, the coating on the underside 18 is continuously protected against damage along the edge region.

Bei einer Montage oder Demontage des Kochfeldes wird die Kochfeldplatte in diesem Randbereich durch den Montagetechniker zum An- oder Absetzen der Kochfeldplatte umgriffen. Folglich ist insbesondere dieser Randbereich einer erhöhten mechanischen Beanspruchung ausgesetzt. Derart hervorgerufene Abnutzungserscheinungen werden durch die Schutzfolie wirksam verhindert.When the hob is being assembled or disassembled, the hob is gripped in this edge area by the assembly technician for attaching or detaching the hob. Consequently, this edge area in particular is exposed to increased mechanical stress. The protective film effectively prevents wear and tear.

BezugszeichenReference numerals

1010th
KochfeldplatteCooktop
1212th
Gehäusecasing
1414
MontageelementMounting element
1616
OberseiteTop
1818th
Unterseitebottom
2020
SchutzfolieProtective film

Claims (8)

  1. Hob plate (10) made of glass or glass ceramic, comprising an upper side (16) and a lower side (18) lying opposite the upper side (16), with at least one assembly element (14) connected to the lower side (18), wherein a protective film (20) is arranged in an edge region of the lower side (18) in an at least partially peripheral manner and is designed to protect a coating of the lower side (18) from mechanical wear during assembly or disassembly,
    characterised in that
    the protective film (20) comprises an adhesive surface for adhesively bonding the protective film (20) to the hob plate (10), and a protective surface, wherein the protective surface faces away from the hob plate (10) in an adhesively bonded state of the protective film (20).
  2. Hob plate according to claim 1, characterised in that
    the assembly element (14) is designed as an assembly rail (14), which is at least partially peripheral and spaced apart from the edge of the hob plate, the protective film (20) is arranged in a strip-shaped manner in the region between the assembly rail (14) and the outer edge of the hob plate.
  3. Hob plate according to claim 1, characterised in that
    the protective surface of the protective film (20) comprises a polyurethane coating.
  4. Hob plate according to claim 1, characterised in that
    the protective film (20) is at least almost transparent.
  5. Hob plate according to claim 1, characterised in that
    the protective film (20) has a thickness between 50 and 600 µm.
  6. Hob with a hob plate (10) according to claim 1 and a housing (12) for accommodating heating elements and/or electronic components for operating the heating elements arranged below the lower side (18), wherein the housing (12) is connected to the hob plate (10) via the assembly element (14).
  7. Hob plate according to one of claims 1 to 6, characterised in that
    the protective film (20) remains on the hob plate (10) in an assembled state of the hob.
  8. Hob plate according to one of claims 1 to 6, characterised in that
    the protective film (20) is attached to the hob plate (10) by adhesive bonding.
EP13167579.5A 2012-05-15 2013-05-14 Cooking hob plate Active EP2664856B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13167579.5A EP2664856B1 (en) 2012-05-15 2013-05-14 Cooking hob plate

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12382176 2012-05-15
ES201230998 2012-06-28
EP13167579.5A EP2664856B1 (en) 2012-05-15 2013-05-14 Cooking hob plate

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EP2664856A1 EP2664856A1 (en) 2013-11-20
EP2664856B1 true EP2664856B1 (en) 2020-03-11

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2574931B1 (en) 2014-12-22 2017-04-06 Bsh Electrodomésticos España, S.A. Protective device for coated cooking field plates
WO2018188722A1 (en) 2017-04-10 2018-10-18 Arcelik Anonim Sirketi Cooking appliance with improved assemblage
WO2018188724A1 (en) 2017-04-10 2018-10-18 Arcelik Anonim Sirketi Cooking appliance with improved assemblage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010092650A (en) * 2008-10-06 2010-04-22 Narumi China Corp Glass top plate for cooking device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501490A1 (en) * 1985-01-18 1986-07-24 Daimler-Benz Ag, 7000 Stuttgart GLASS DISC GLUED IN THE FRAME OF A CAR BODY BY MEANS OF AN ELASTOMER NETWORKED ADHESIVE
DE4327475C2 (en) * 1993-08-16 1999-04-22 Schott Glas Process for forming a permanently elastic, easily detachable adhesive connection in the event of disassembly
DE19649767A1 (en) * 1996-11-30 1998-06-04 Schott Glaswerke Arrangement for attaching glass ceramic cooktops with an edge area tapered to a thin edge on a worktop
DE20005461U1 (en) * 2000-03-23 2000-06-08 Schott Glas Cooktop
DE10232814B4 (en) * 2002-07-19 2007-08-30 Schott Ag Transparent glass / glass ceramic plate with metal appearance, designed as a cooking surface or chimney panel
DE102006017250A1 (en) * 2006-04-12 2007-10-18 BSH Bosch und Siemens Hausgeräte GmbH disk unit
DE102010063051A1 (en) * 2009-12-21 2011-09-01 BSH Bosch und Siemens Hausgeräte GmbH Arrangement for work plate and household appliance, particularly hob, has bonding agent, where hob engages in recess of work plate and on surface of work plate with border area

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010092650A (en) * 2008-10-06 2010-04-22 Narumi China Corp Glass top plate for cooking device

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