EP1005253A2 - Cooking hob with mounting frame in folding technic - Google Patents

Cooking hob with mounting frame in folding technic Download PDF

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Publication number
EP1005253A2
EP1005253A2 EP99121892A EP99121892A EP1005253A2 EP 1005253 A2 EP1005253 A2 EP 1005253A2 EP 99121892 A EP99121892 A EP 99121892A EP 99121892 A EP99121892 A EP 99121892A EP 1005253 A2 EP1005253 A2 EP 1005253A2
Authority
EP
European Patent Office
Prior art keywords
hob
mounting
mounting frame
frame
side walls
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
EP99121892A
Other languages
German (de)
French (fr)
Other versions
EP1005253B1 (en
EP1005253A3 (en
Inventor
Herbert Steiner
Georg Brandl
Johann Huber
Markus Theine
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1005253A2 publication Critical patent/EP1005253A2/en
Publication of EP1005253A3 publication Critical patent/EP1005253A3/en
Application granted granted Critical
Publication of EP1005253B1 publication Critical patent/EP1005253B1/en
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 RANGESĀ ; 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

Definitions

  • the present invention relates to a hob with a hob, in particular Made of glass ceramic, which is attached to a metallic, one-piece mounting frame is held, the side walls of which are substantially perpendicular to the hob plate extend and the bottom with a parallel to the hob with Distance to this extending mounting shoulder has a large area Bottom opening of the mounting frame moves and in which mounting shoulder mounting openings are provided for holding components of the hob, and a corresponding manufacturing process.
  • Such a hob is known from the document DE 295 13 246.9, wherein a decorative frame that can be connected to the mounting frame, for example made of deep-drawn Chromium-nickel steel exists.
  • the mounting frame that serves as the base part for mounting is also manufactured using deep-drawing technology and is used, among other things, for Fastening functional components of the hob, e.g. residual heat indicators, Holding elements for heating elements etc.
  • the object of the present invention is to produce a one-piece manufacturing technique Mounting frame of a hob according to the preamble of claim 1 to simplify.
  • the mounting frame is made using bending technology.
  • the side walls formed as separate individual side wall sections, the peripheral side are bent individually, at right angles from the mounting shoulder.
  • the method according to the invention is characterized in that the four Side walls of the mounting frame as individual surfaces each at right angles a base plate of the frame, which form an assembly shoulder, are bent, that the side walls are firmly connected to each other in adjacent edge areas are, and that in the mounting shoulder mounting holes for holding Components of the hob and a large cutout in the base plate to be punched.
  • the decisive advantage over the solution after State of the art is that by means of the bending technique, the size and The contour of the assembly shoulder is simply variable in terms of production technology can be. This results in a high degree of variability in the mounting shoulder assembly openings or components of the hob can be arranged with respect to their Size and location, which means a large variety of hobs with sufficient Stability and great accuracy are particularly easy to manufacture and is inexpensive to implement.
  • the fixed connection can also be a welded connection be realized.
  • the stability of the hob can also be further increased in that the Hob plate with the mounting frame and / or manufactured in bending technology the decorative frame is glued via an adhesive connection. This allows the Frame parts or the plate of the hob after setting the rag in the optimal mounting position can be permanently fixed. In addition, the corresponding Glue bead additionally the cooktop against the ingress of liquid protect.
  • a hob 1 has a rectangular decorative frame 3 made of stainless steel, which with a one-piece, rectangular mounting frame 5 arranged underneath Steel sheet is connected (Fig. 1). Between the decorative frame 3 and the mounting frame 5 is a glass ceramic plate 7 of the cooktop 1 known per se. On the top of the glass ceramic plate 7, this has suitable decorations that mark the heatable cooking zones of hob 1 (not shown).
  • the decorative frame 3 is in several parts and essentially T-shaped in profile educated. Over a circumferential side perpendicular to the glass ceramic plate 7 extending decorative frame side wall 9 is a curved decorative frame cover plate in bending technology 11 trained.
  • a first sealing bead 13 is applied (FIGS. 1, 3). Means this rests suitably sealed, for example, the hob 1 or the decorative frame 3 on a correspondingly cut out worktop in a known manner Way (not shown). Furthermore, the space between the Top of the glass ceramic plate 7 and the bottom of the inwardly projecting leg-shaped inner portion of the decorative frame plate 11 a second foamed Sealing bead 15 is provided. The glass ceramic plate 7 is therefore from the decorative frame 3 edged and is circumferential of this by means of the decorative frame cover plate 11 attacked.
  • the edge region of the glass ceramic plate 7 are at the Several small elastic adhesive tape pieces 17 distributed around the underside of the circumference glued.
  • this adhesive connection 19 is used and the hob plate 7 also the sealing of the hob 1 in this area.
  • the glass ceramic plate 7 is supported on the circumferential side via the adhesive tape pieces 17 a support shoulder extending in a frame-like manner parallel to the glass ceramic plate 7 21 of the mounting frame 5.
  • the support shoulders 21 are each individual bent at right angles from the four side walls 23, 24 of the rectangular Mounting frame 5.
  • the assembly of the cooktop 1 described in FIGS. 1 and 3 is like follows: First, the decorative frame 3 with the top of its decorative frame cover plate 11, for example, placed on an assembly table (assembly direction according to Fig. 3 or arrow in Fig. 1). Then the first and the second sealing bead 13, 15 on the underside of the decorative frame plate, which is freely accessible from above 11 injected. Subsequently, the glass ceramic plate 7 in the side wall of the decorative frame 9 limited receiving space on the decorative frame plate 11th positioned exactly. Adhesive tape pieces are also distributed around the circumference 17 on the underside of the glass ceramic plate which projects upwards in the assembly position 7 glued.
  • the mounting frame 5 pushed away from the glass ceramic plate 7 and the decorative frame 3 until the corresponding edges of the mounting tabs 29 to the corresponding ones Bump opening edges of tab opening 27.
  • the assembly unit hardens the adhesive bead 19, whereby the geometric positioning of the Frame parts 3, 5 and the glass ceramic plate 7 are permanently defined to each other.
  • the elasticity and the geometry of the second sealing bead 15 and the decorative frame plate 11 coordinated so that the decorative frame 11 on all sides sealed essentially gap-free on the top of the glass ceramic plate 7 is present.
  • the corresponding ones are then inserted into the component openings 41 Components inserted or held (not shown).
  • the following steps are involved in the manufacture of the mounting frame 5 carried out in a suitable order: It should be noted that first in the essentially the bending steps are carried out and only then assembly openings for hob components to be manufactured according to the desired one Hob types are manufactured. First, the four mounting frame side walls 23, 24 individually bent at right angles from the plane of a sheet metal plate. The area then remaining in the plane of the sheet metal plate The plate later forms the mounting shoulder 37 of the mounting frame 5 the end portions of the mounting frame side walls 23, 24, the support shoulders, respectively 21 bent at right angles. To complete the bending technology one-piece sheet metal mounting frame 5, the side walls 23, 24 in the abutting edge areas in the area of the connecting tabs 33 firmly connected to each other by pressure joining or clinching technology (Fig. 1).
  • the base plate is provided with thread impressions, in particular to be able to close the hob 1 on the bottom with the lid (Not shown).
  • the heater pots 47 For adjusting or positioning and assembling the heating elements 45 or well-known heating element pots 47 on the underside of the glass ceramic plate 7 the heater pots 47 into the pre-assembled stable as described above Unit frame 3.5 - glass ceramic plate 7 placed (Fig. 3). At the bottom of the heating element pots 47 are suitable in a manner known per se on a circle from each other spaced apart, numerous numbered positioning openings 49 provided. The exact assignment of the position of the heating element pot 47 to the corresponding one printed on the top of the glass ceramic plate 7 Decor in the range of less than 1 mm inaccuracy is realized as follows: On The mounting shoulder 37 is exactly one radiator mounting element for each heating element pot 47 51 attached from spring steel material. The bracket member 51 has a flat and elongated base body 53.
  • an embossing 55 By means of screws 57 through the corresponding screw openings 59 of the Projecting support member 51, the support member 51 is on the mounting shoulder 37 attached in a long side of the mounting frame 5.
  • On the two opposite end sections of the base body 53 are as far apart as possible spaced positioning hooks bent at right angles from this 61 provided. These are in appropriately designed openings in the Assembly shoulder 37.
  • one of the im Positioning hook 61 projecting essentially vertically downward an angle of about 45 Ā° to the other positioning hook (Fig. 2, 3).
  • the base body 53 there are two spaced apart from the base body 53 Arms 63 and protrude from the level of the mounting shoulder 37 and the Basic body 53 in the bottom cutout 39 of the mounting frame 5.
  • the arms 63 end in pot hook 65, which in the corresponding positioning openings 49 of the Grab the bottom of the heating element pot 47. With increasing distance between the pot hooks 65 also increases the positioning accuracy with respect to the heating element pot 47 in the Hob 1. This distance is typically about 1 ā‡ 2 of the diameter of the Heating element pot 47.
  • the holding element 51 serves on the one hand for Positioning or adjustment of the heating element pot 47 relative to the frame 3, 5 or the glass ceramic plate 7 and the other for pressing the heating element pot 47 to the underside of the glass ceramic plate 7.
  • This hold-down function can be provided by additional aids provided in the cover of the mounting frame 5, for example, feathers or embossing may be reinforced (not shown).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Electric Stoves And Ranges (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Resistance Heating (AREA)
  • Electric Ovens (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

The cooker hob (1) has a plate held by a metal, one-piece mounting-frame (5) the separate sides (23,24) of which are at right angles to the plate. The underneath side of the frame has a mounting shoulder (37) parallel with the plate and spaced apart from it. The shoulder has openings (27) holding components of the hob. On the frame's peripheral side, the sides are bent at right angles from the mounting shoulder. A decorative frame (3) of the cooker hob is held on the mounting frame by means of mounting openings.

Description

Die vorliegende Erfindung betrifft ein Kochfeld mit einer Kochfeldplatte, insbesondere aus Glaskeramik, die an einem metallischen, einteiligen Montagerahmen gehaltert ist, dessen SeitenwƤnde sich im wesentlichen senkrecht zur Kochfeldplatte erstrecken und der bodenseitig eine sich parallel zur Kochfeldplatte mit Abstand zu dieser erstreckende Montageschulter aufweist, die eine groƟflƤchige Bodenƶffnung des Montagerahmens umzieht und in welcher Montageschulter Mantageƶffnungen zur Halterung von Komponenten des Kochfeldes vorgesehen sind, sowie ein entsprechendes Herstellungsverfahren.The present invention relates to a hob with a hob, in particular Made of glass ceramic, which is attached to a metallic, one-piece mounting frame is held, the side walls of which are substantially perpendicular to the hob plate extend and the bottom with a parallel to the hob with Distance to this extending mounting shoulder has a large area Bottom opening of the mounting frame moves and in which mounting shoulder mounting openings are provided for holding components of the hob, and a corresponding manufacturing process.

Ein derartiges Kochfeld ist bekannt aus der Druckschrift DE 295 13 246.9, wobei ein mit dem Montagerahmen verbindbarer Zierrahmen beispielsweise aus tiefgezogenem Chrom-Nickelstahl besteht. Der als Basisteil fĆ¼r die Montage dienende Montagerahmen ist ebenfalls in Tiefziehtechnik hergestellt und dient unter anderem zur Befestigung von Funktionskomponenten des Kochfeldes, beispielsweise RestwƤrmeanzeigen, Halteelemente fĆ¼r Heizelemente u.Ƥ..Such a hob is known from the document DE 295 13 246.9, wherein a decorative frame that can be connected to the mounting frame, for example made of deep-drawn Chromium-nickel steel exists. The mounting frame that serves as the base part for mounting is also manufactured using deep-drawing technology and is used, among other things, for Fastening functional components of the hob, e.g. residual heat indicators, Holding elements for heating elements etc.

Aufgabe der vorliegenden Erfindung ist es, die Herstellungstechnik eines einteiligen Montagerahmens eines Kochfeldes nach dem Oberbegriff des Patentanspruches 1 zu vereinfachen.The object of the present invention is to produce a one-piece manufacturing technique Mounting frame of a hob according to the preamble of claim 1 to simplify.

ErfindungsgemƤƟ ist dies bei einem gattungsgemƤƟen Kochfeld dadurch erreicht, daƟ der Montagerahmen in Biegetechnik hergestellt ist. Dabei sind die SeitenwƤnde als voneinander getrennte einzelne Seitenwandabschnitte ausgebildet, die umfangsseitig jeweils einzeln, rechtwinklig von der Montageschulter abgebogen sind. Das erfindungsgemƤƟe Verfahren ist dadurch gekennzeichnet, daƟ die vier SeitenwƤnde des Montagerahmens als einzelne FlƤchen jeweils rechtwinklig aus einer Bodenplatte des Rahmens, die eine Montageschulter bilden, gebogen werden, daƟ die SeitenwƤnde in jeweils benachbarten Randbereichen miteinander fest verbunden sind, und daƟ in die Montageschulter Montageƶffnungen zur Halterung von Komponenten des Kochfeldes und in die Bodenplatte ein groƟflƤchiger Ausschnitt gestanzt werden. Der entscheidende Vorteil gegenĆ¼ber der Lƶsung nach dem Stand der Technik besteht darin, daƟ mittels der Biegetechnik die GrĆ¶ĆŸe und der Konturverlauf der Montageschulter fertigungstechnisch einfach variabel gestaltet werden kann. Daraus ergibt sich eine hohe VariabilitƤt der in der Montageschulter anordenbaren Montageƶffnungen bzw. Komponenten des Kochfeldes bzgl. deren GrĆ¶ĆŸe und Lage, wodurch eine groƟe Typenvielfalt von Kochfeldern bei ausreichender StabilitƤt und groƟer Genauigkeit fertigungstechnisch besonders einfach und kostengĆ¼nstig realisierbar ist.According to the invention, this is achieved in a generic hob by that the mounting frame is made using bending technology. Here are the side walls formed as separate individual side wall sections, the peripheral side are bent individually, at right angles from the mounting shoulder. The method according to the invention is characterized in that the four Side walls of the mounting frame as individual surfaces each at right angles a base plate of the frame, which form an assembly shoulder, are bent, that the side walls are firmly connected to each other in adjacent edge areas are, and that in the mounting shoulder mounting holes for holding Components of the hob and a large cutout in the base plate to be punched. The decisive advantage over the solution after State of the art is that by means of the bending technique, the size and The contour of the assembly shoulder is simply variable in terms of production technology can be. This results in a high degree of variability in the mounting shoulder assembly openings or components of the hob can be arranged with respect to their Size and location, which means a large variety of hobs with sufficient Stability and great accuracy are particularly easy to manufacture and is inexpensive to implement.

Zur Stabilisierung bzw. Versteifung des Montagerahmens kann mit diesem ein Zierrahmen verbunden sein. Dazu sind vorteilhafterweise in den SeitenwƤnden des Montagerahmens Montageƶffnungen zur Halterung des Zierrahmens vorgesehen.To stabilize or stiffen the mounting frame with this one Decorative frame to be connected. These are advantageously in the side walls of the Mounting frame Mounting openings are provided to hold the decorative frame.

Fertigungstechnisch besonders positionsgenau ist es, wenn jeweils zwei SeitenwƤnde des Montagerahmens in dessen Eckbereich an abgebogenen Verbindungslappen in DruckfĆ¼ge- bzw. Clinchtechnik im Biegewerkzeug miteinander verbunden werden. Alternativ kann die feste Verbindung auch durch eine SchweiƟverbindung realisiert sein.It is particularly precise in terms of production technology if there are two side walls each of the mounting frame in the corner area on bent connecting tabs connected with each other using pressure or clinching technology in the bending tool become. Alternatively, the fixed connection can also be a welded connection be realized.

Zur weiteren Steigerung der StabilitƤt der Anordnung, sind in den SeitenwƤnden des Montagerahmens in Biegetechnik realisierte spezielle Profilbereiche vorgesehen. Dem selben Zweck dient auch die Ausgestaltung gemƤƟ Patentanspruch 4.To further increase the stability of the arrangement, are in the side walls of the mounting frame using special bending technology. The configuration according to claim 4 also serves the same purpose.

Auch kann die StabilitƤt des Kochfeldes dadurch weiter erhƶht werden, daƟ die Kochfeldplatte mit dem in Biegetechnik hergestellten Montagerahmen und/oder dem Zierrahmen Ć¼ber eine Klebeverbindung verklebt ist. Dadurch kƶnnen die Rahmenteile bzw. die Platte des Kochfeldes nach dem Einstellen der Lappen in der optimalen Montageposition dauerhaft fixiert werden. AuƟerdem kann die entsprechende Kleberaupe zusƤtzlich das Kochfeld gegen das Eindringen von FlĆ¼ssigkeit schĆ¼tzen.The stability of the hob can also be further increased in that the Hob plate with the mounting frame and / or manufactured in bending technology the decorative frame is glued via an adhesive connection. This allows the Frame parts or the plate of the hob after setting the rag in the optimal mounting position can be permanently fixed. In addition, the corresponding Glue bead additionally the cooktop against the ingress of liquid protect.

Es zeigen:

Fig. 1
in einer Schnittdarstellung im wesentlichen entlang der Linie 1-1 in Figur 3 abschnittsweise das Kochfeld,
Fig. 2
in einer perspektivischen Darstellung ein Heizelement-Halterungselement des Kochfeldes, und
Fig. 3
in einer Ansicht von unten auf die Kochfeldplatte (Richtungspfeil in Fig. 1) abschnittsweise das Kochfeld mit einem montierten Heizelement.
Show it:
Fig. 1
3 is a sectional illustration of the cooktop essentially along line 1-1 in FIG. 3,
Fig. 2
a perspective view of a heating element mounting element of the hob, and
Fig. 3
in a view from below of the hob plate (direction arrow in Fig. 1) sections of the hob with a mounted heating element.

Ein Kochfeld 1 weist einen rechteckigen Zierrahmen 3 aus Edelstahl auf, der mit einem darunter angeordneten einteiligen, rechteckigen Montagerahmen 5 aus Stahlblech verbunden ist (Fig. 1). Zwischen dem Zierrahmen 3 und dem Montagerahmen 5 ist eine an sich bekannte Glaskeramikplatte 7 des Kochfeldes 1 gehaltert. Auf der Oberseite der Glaskeramikplatte 7 weist diese geeignete Dekorbedruckungen auf, die die beheizbaren Kochzonen des Kochfeldes 1 markieren (nicht gezeigt). Der Zierrahmen 3 ist mehrteilig und im Profil im wesentlichen T-fƶrmig ausgebildet. Ɯber einer sich senkrecht zur Glaskeramikplatte 7 umfangsseitig erstreckenden Zierrahmenseitenwand 9 ist in Biegetechnik eine gewƶlbte Zierrahmendeckplatte 11 ausgebildet. An der Unterseite des nach auƟen, von der Glaskeramikplatte 7 wegkragenden schenkelfƶrmigen AuƟenabschnittes der Zierrahmenplatte 11 ist eine erste Dichtungsraupe 13 aufgebracht (Fig. 1, 3). Mittels dieser ruht geeignet abgedichtet das Kochfeld 1 bzw. der Zierrahmen 3 beispielsweise auf einer entsprechend ausgeschnittenen Arbeitsplatte in an sich bekannter Weise (nicht gezeigt). Weiterhin ist umfangsseitig im Zwischenraum zwischen der Oberseite der Glaskeramikplatte 7 und der Unterseite des nach innen kragenden schenkelfƶrmigen Innenabschnittes der Zierrahmenplatte 11 eine zweite geschƤumte Dichtungsraupe 15 vorgesehen. Die Glaskeramikplatte 7 ist also von dem Zierrahmen 3 eingefaƟt und wird von diesem mittels der Zierrahmendeckplatte 11 umfangsseitig Ć¼bergriffen. Im Randbereich der Glaskeramikplatte 7 sind an deren Unterseite umfangsseitig verteilt mehrere kleine elastische KlebebandstĆ¼cke 17 geklebt. Zugleich ist in diesem Bereich umfangsseitig umlaufend eine Silikonkleberaupe 19 auf die Glaskeramikplatte 7 und zwischen dem Randbereich der Glaskeramikplatte 7 und der Innenseite der Zierrahmenseitenwand 9 aufgebracht. Diese Klebeverbindung 19 dient neben der Fixierung der beiden Rahmenteile 3, 5 und der Kochfeldplatte 7 auch der Abdichtung des Kochfeldes 1 in diesem Bereich. Die Glaskeramikplatte 7 stĆ¼tzt sich Ć¼ber die KlebebandstĆ¼cke 17 umfangsseitig auf einer sich parallel zur Glaskeramikplatte 7 rahmenfƶrmig erstreckenden StĆ¼tzschulter 21 des Montagerahmens 5 auf. Die StĆ¼tzschultern 21 sind jeweils einzeln rechtwinklig abgebogen von den vier SeitenwƤnden 23, 24 des rechteckigen Montagerahmens 5. In einen oberen Wandbereich 25 der SeitenwƤnde 23, 24 des Montagerahmens 5 sind umfangsseitig verteilt rechteckige Lappenƶffnungen 27 gestanzt (Fig. 1). In diese Lappenƶffnungen 27 sind aus der Zierrahmenseitenwand 9 dreiseitig freigeschnittene, rechteckige Montagelappen 29 gebogen bzw. gestellt. Zur Vereinfachung der Montage des Zierrahmens 3 an dem Montagerahmen 5 ist zwischen der Zierrahmenseitenwand 9 und der Montagerahmen-Seitenwand 23 umfangsseitig ein kleiner Spalt vorgesehen. Im unteren Wandbereich 31 der Seitenwand 23 ist von dieser rechtwinklig und senkrecht zur Glaskeramikplatte 7 abgebogen und sich damit parallel zur benachbarten Seitenwand 24 des Montagerahmens 5 erstreckend ein Verbindungslappen 33 vorgesehen. Die beiden SeitenwƤnde 23, 24 sind an Stellen 35 des Verbindungslappens 33 miteinander in DruckfĆ¼getechnik fest verbunden. Durch diese Verbindung in den vier Eckbereichen des Montagerahmens 5 erhƤlt dieser seine GrundstabilitƤt. Am unteren Endabschnitt des unteren Wandbereichs 31 der SeitenwƤnde 23, 24 des Montagerahmens 5 erstreckt sich umfangsseitig rechtwinklig abgebogen parallel zur StĆ¼tzschulter 21 beziehungsweise zur Glaskeramikplatte 7 eine Montageschulter 37 (Fig. 1, 3). Diese umzieht einen groƟflƤchigen Bodenausschnitt 39 und weist zudem im wesentlichen umfangsseitig verteilte Komponentenƶffnungen 41 auf (Fig. 1, 3). In diesen Komponentenƶffnungen 41 kƶnnen Komponenten des Kochfeldes 1, wie beispielsweise Leuchtelemente, Schalter oder Elektronikkomponenten, z.B. eine RestwƤrmeanzeigeneinheit, gehaltert sein (nicht gezeigt). Parallel zur Seitenwand 24 des Montagerahmens 5 ist aus der Montageschulter 37 rechtwinklig ein Hitzeschild 43 abgebogen zum thermischen Schutz von in der Komponentenƶffnung 41 unterhalb der Glaskeramikplatte 7 gehalterten besonders temperaturempfindlichen Elektronikkomponenten (Fig. 3).A hob 1 has a rectangular decorative frame 3 made of stainless steel, which with a one-piece, rectangular mounting frame 5 arranged underneath Steel sheet is connected (Fig. 1). Between the decorative frame 3 and the mounting frame 5 is a glass ceramic plate 7 of the cooktop 1 known per se. On the top of the glass ceramic plate 7, this has suitable decorations that mark the heatable cooking zones of hob 1 (not shown). The decorative frame 3 is in several parts and essentially T-shaped in profile educated. Over a circumferential side perpendicular to the glass ceramic plate 7 extending decorative frame side wall 9 is a curved decorative frame cover plate in bending technology 11 trained. At the bottom of the outside, from the glass ceramic plate 7 cantilevered leg-shaped outer portion of the decorative frame plate 11, a first sealing bead 13 is applied (FIGS. 1, 3). Means this rests suitably sealed, for example, the hob 1 or the decorative frame 3 on a correspondingly cut out worktop in a known manner Way (not shown). Furthermore, the space between the Top of the glass ceramic plate 7 and the bottom of the inwardly projecting leg-shaped inner portion of the decorative frame plate 11 a second foamed Sealing bead 15 is provided. The glass ceramic plate 7 is therefore from the decorative frame 3 edged and is circumferential of this by means of the decorative frame cover plate 11 attacked. In the edge region of the glass ceramic plate 7 are at the Several small elastic adhesive tape pieces 17 distributed around the underside of the circumference glued. At the same time, there is a circumferential silicone adhesive bead in this area 19 on the glass ceramic plate 7 and between the edge region of the Glass ceramic plate 7 and the inside of the decorative frame side wall 9 applied. In addition to fixing the two frame parts 3, 5, this adhesive connection 19 is used and the hob plate 7 also the sealing of the hob 1 in this area. The glass ceramic plate 7 is supported on the circumferential side via the adhesive tape pieces 17 a support shoulder extending in a frame-like manner parallel to the glass ceramic plate 7 21 of the mounting frame 5. The support shoulders 21 are each individual bent at right angles from the four side walls 23, 24 of the rectangular Mounting frame 5. In an upper wall region 25 of the side walls 23, 24 of the Mounting frame 5 are rectangular tab openings 27 distributed around the circumference punched (Fig. 1). In these tab openings 27 are from the decorative frame side wall 9 rectangular assembly flaps 29 cut free on three sides, bent or placed. To simplify the assembly of the decorative frame 3 on the mounting frame 5 is between the decorative frame side wall 9 and the mounting frame side wall 23 on the circumferential side a small gap is provided. In the lower wall area 31 of the side wall 23 is bent from this at right angles and perpendicular to the glass ceramic plate 7 and thus parallel to the adjacent side wall 24 of the mounting frame 5 extending a connecting tab 33 is provided. The two side walls 23, 24 are at points 35 of the connecting tab 33 with one another Pressure joining technology firmly connected. Through this connection in the four corner areas of the mounting frame 5 this receives its basic stability. At the lower end of the lower wall area 31 of the side walls 23, 24 of the mounting frame 5 extends circumferentially bent at right angles parallel to the support shoulder 21 or to the glass ceramic plate 7 a mounting shoulder 37 (Fig. 1, 3). This moves a large floor cutout 39 and also points in essential circumferentially distributed component openings 41 (Fig. 1, 3). In these component openings 41 can components of the hob 1, such as for example lighting elements, switches or electronic components, e.g. a Residual heat indicator unit, be held (not shown). Parallel to the side wall 24 of the mounting frame 5 is a heat shield at right angles from the mounting shoulder 37 43 bent for thermal protection of in the component opening 41 particularly temperature-sensitive held below the glass ceramic plate 7 Electronic components (Fig. 3).

Die Montage des gemƤƟ den Figuren 1 und 3 beschriebenen Kochfeldes 1 ist wie folgt: ZunƤchst wird der Zierrahmen 3 mit der Oberseite seiner Zierrahmendeckplatte 11 beispielsweise auf einen Montagetisch gelegt (Montagerichtung gemƤƟ Fig. 3 bzw. Richtungspfeil in Fig. 1). Dann werden die erste und die zweite Dichtungsraupe 13, 15 auf die von oben frei zugƤngliche Unterseite der Zierrahmenplatte 11 gespritzt. AnschlieƟend wird die Glaskeramikplatte 7 in den von der Zierrahmenseitenwand 9 begrenzten Aufnahmeraum auf die Zierrahmenplatte 11 positionsgenau gelegt. Weiterhin werden umfangsseitig verteilt KlebebandstĆ¼ckchen 17 auf die in der Montageposition nach oben ragende Unterseite der Glaskeramikplatte 7 geklebt. Auch wird in dem umfangsseitigen Randbereich der Glaskeramikplatte 7 und in den Randspalt zwischen der Glaskeramikplatte 7 und der Zierrahmenseitenwand 9 Silikonkleber 19 aufgetragen (Fig. 1). Danach wird der Montagerahmen 5 mit seiner StĆ¼tzschulter 21 auf die Glaskeramikplatte 7 beziehungsweise die KlebebandstĆ¼ckchen 17 gelegt. Nachfolgend wird gleichmƤƟig Ć¼ber die FlƤche der Glaskeramikplatte 7 verteilt ein Druck auf den Montagerahmen 5 ausgeĆ¼bt. Dadurch werden umfangsseitig die elastischen KlebebandstĆ¼ckchen 17 geringfĆ¼gig zusammengedrĆ¼ckt. Im nƤchsten Arbeitsschritt werden gleichzeitig alle zunƤchst in der Ebene der Zierrahmenseitenwand 9 liegenden Lappen 29 in die Lappenƶffnungen 27 der Seitenwand 23, 24 des Montagerahmens 5 gestellt. Nach diesem Fertigungsschritt wird der Druck des Montagerahmens 5 auf die KlebebandstĆ¼ckchen 17 aufgehoben. Aufgrund deren elastischer Eigenschaften wird der Montagerahmen 5 von der Glaskeramikplatte 7 und dem Zierrahmen 3 weggedrĆ¼ckt, bis die entsprechenden Kanten der Montagelappen 29 an die entsprechenden Ɩffnungskanten der Lappenƶffnung 27 anstoƟen. In dieser Position der Montageeinheit hƤrtet die Kleberaupe 19 aus, wodurch die geometrische Positionierung der Rahmenteile 3, 5 und der Glaskeramikplatte 7 zueinander bleibend definiert sind. Dabei sind die ElastizitƤt und die Geometrie der zweiten Dichtungsraupe 15 sowie der Zierrahmenplatte 11 so aufeinander abgestimmt, daƟ der Zierrahmen 11 allseitig abgedichtet im wesentlichen spaltfrei auf der Oberseite der Glaskeramikplatte 7 anliegt. In die Komponentenƶffnungen 41 werden anschlieƟend die entsprechenden Komponenten gesteckt bzw. gehaltert (nicht gezeigt). Weiterhin werden Heizelemente 45 in den Bodenausschnitt 39 des Montagerahmens 5 auf die Unterseite der Glaskeramikplatte 7 gelegt und an diese mittels nachfolgend erlƤuterter Halterungselementen 51 positionsgenau gedrĆ¼ckt (Fig. 2, 3). Zuletzt wird der Montagerahmen 5 bodenseitig durch einen Deckel verschlossen (nicht gezeigt).The assembly of the cooktop 1 described in FIGS. 1 and 3 is like follows: First, the decorative frame 3 with the top of its decorative frame cover plate 11, for example, placed on an assembly table (assembly direction according to Fig. 3 or arrow in Fig. 1). Then the first and the second sealing bead 13, 15 on the underside of the decorative frame plate, which is freely accessible from above 11 injected. Subsequently, the glass ceramic plate 7 in the side wall of the decorative frame 9 limited receiving space on the decorative frame plate 11th positioned exactly. Adhesive tape pieces are also distributed around the circumference 17 on the underside of the glass ceramic plate which projects upwards in the assembly position 7 glued. Also in the peripheral edge area of the glass ceramic plate 7 and in the edge gap between the glass ceramic plate 7 and Decorative frame side wall 9 silicone adhesive 19 applied (Fig. 1). Then the Mounting frame 5 with its support shoulder 21 on the glass ceramic plate 7 or the pieces of tape 17 placed. The following becomes even A pressure on the mounting frame is distributed over the surface of the glass ceramic plate 7 5 exercised. As a result, the elastic pieces of adhesive tape 17 become circumferential slightly compressed. In the next step, all are rags 29 lying in the plane of the decorative frame side wall 9 into the Tab openings 27 of the side wall 23, 24 of the mounting frame 5 are provided. To this manufacturing step is the pressure of the mounting frame 5 on the pieces of tape 17 canceled. Due to their elastic properties, the mounting frame 5 pushed away from the glass ceramic plate 7 and the decorative frame 3 until the corresponding edges of the mounting tabs 29 to the corresponding ones Bump opening edges of tab opening 27. In this position the assembly unit hardens the adhesive bead 19, whereby the geometric positioning of the Frame parts 3, 5 and the glass ceramic plate 7 are permanently defined to each other. The elasticity and the geometry of the second sealing bead 15 and the decorative frame plate 11 coordinated so that the decorative frame 11 on all sides sealed essentially gap-free on the top of the glass ceramic plate 7 is present. The corresponding ones are then inserted into the component openings 41 Components inserted or held (not shown). Furthermore, heating elements 45 in the bottom cutout 39 of the mounting frame 5 on the underside the glass-ceramic plate 7 and placed on it by means of mounting elements explained below 51 precisely pressed (Fig. 2, 3). Finally, the mounting frame 5 closed at the bottom by a cover (not shown).

Bei der Herstellung des Montagerahmens 5 werden grundsƤtzlich folgende Schritte in geeigneter Reihenfolge durchgefĆ¼hrt: Dabei ist zu beachten, daƟ zunƤchst im wesentlichen die Biegeschritte durchgefĆ¼hrt werden und erst danach Montageƶffnungen fĆ¼r Kochfeldkomponenten entsprechend der gewĆ¼nschten zu fertigenden Kochfeldtypen hergestellt werden. ZunƤchst werden die vier Montagerahmen-SeitenwƤnde 23, 24 einzeln aus der Ebene einer Blechplatte rechtwinketig abgebogen. Der dann in der Ebene der Blechptatte verbleibende FlƤchenbereich der Platte bildet spƤter die Montageschulter 37 des Montagerahmens 5. Es werden von den Endabschnitten der Montagerahmen-SeitenwƤnde 23, 24 jeweils die StĆ¼tzschultern 21 rechtwinklig abgebogen. Zur Fertigstellung des in Biegetechnik hergestellten, einteiligen Blech-Montagerahmens 5 werden die SeitenwƤnde 23, 24 in den aneinanderstoƟenden Randbereichen im Bereich der Verbindungslappen 33 miteinander durch DruckfĆ¼ge- bzw. Clinchtechnik fest verbunden (Fig. 1). ZusƤtzlich sind zur Steigerung der Steifigkeit des Montagerahmens 5 in den SeitenwƤnden 23 langgestreckte Profilbereiche in Biegetechnik realisiert. Aus der Blechplatte werden anschlieƟend in AbhƤngigkeit vom jeweils gewĆ¼nschten Kochfeldtyp der groƟflƤchige Bodenausschnitt 39 sowie die Komponentenƶffnungen 41 geeignet gestanzt. Weiterhin wird die Bodenplatte mit GewindeeindrĆ¼cken versehen, insbesondere um das Kochfeld 1 bodenseitig mit dem Deckel verschlieƟen zu kƶnnen (nicht gezeigt).In principle, the following steps are involved in the manufacture of the mounting frame 5 carried out in a suitable order: It should be noted that first in the essentially the bending steps are carried out and only then assembly openings for hob components to be manufactured according to the desired one Hob types are manufactured. First, the four mounting frame side walls 23, 24 individually bent at right angles from the plane of a sheet metal plate. The area then remaining in the plane of the sheet metal plate The plate later forms the mounting shoulder 37 of the mounting frame 5 the end portions of the mounting frame side walls 23, 24, the support shoulders, respectively 21 bent at right angles. To complete the bending technology one-piece sheet metal mounting frame 5, the side walls 23, 24 in the abutting edge areas in the area of the connecting tabs 33 firmly connected to each other by pressure joining or clinching technology (Fig. 1). In addition are in the side walls 23 to increase the rigidity of the mounting frame 5 elongated profile areas realized in bending technology. The sheet metal will become then the large area depending on the type of hob you want Bottom cutout 39 and the component openings 41 are suitably punched. Furthermore, the base plate is provided with thread impressions, in particular to be able to close the hob 1 on the bottom with the lid (Not shown).

Zur Justierung bzw. Positionierung und Montage der Heizelemente 45 bzw. der an sich bekannten Heizelementtƶpfe 47 an der Unterseite der Glaskeramikplatte 7 werden die Heizelementtƶpfe 47 in die, wie oben beschrieben, vormontierte stabile Baueinheit Rahmen 3,5 - Glaskeramikplatte 7 gelegt (Fig. 3). Am Boden der Heizelementtƶpfe 47 sind in an sich bekannter Weise auf einem Kreis geeignet voneinander beabstandet angeordnet, zahlreiche nummerierte Positionierungsƶffnungen 49 vorgesehen. Die genaue Zuordnung der Position des Heizelementtopfes 47 zum entsprechenden auf der Oberseite der Glaskeramikplatte 7 aufgedruckten Dekor im Bereich von weniger als 1 mm Ungenauigkeit ist wie folgt realisiert: Auf der Montageschulter 37 ist fĆ¼r jeden Heizelementtopf 47 genau ein Heizkƶrper-Halterungselement 51 aus Federstahlmaterial befestigt. Das Halterungselement 51 weist einen flachen und langgestreckten Grundkƶrper 53 auf. Zur Erhƶhung dessen StabilitƤt ist Ć¼ber im wesentlichen dessen gesamte LƤnge eine PrƤgung 55 vorgesehen. Mittels Schrauben 57, die durch entsprechende Schraubƶffnungen 59 des Halterungselementes 51 ragen, ist das Halterungselement 51 an der Montageschulter 37 in einer LƤngsseite des Montagerahmens 5 befestigt. An den beiden gegenĆ¼berliegenden Endabschnitten des Grundkƶrpers 53 sind mƶglichst weit voneinander beabstandete, rechtwinklig von diesem abgebogene Positionierungshaken 61 vorgesehen. Diese stecken in entsprechend ausgebildeten Ɩffnungen der Montageschulter 37. Um die Positionierungsgenauigkeit zu erhƶhen, ist einer der im wesentlichen senkrecht nach unten abstehenden Positionierungshaken 61 unter einem Winkel von etwa 45 Ā° zum anderen Positionierungshaken (Fig. 2, 3) angeordnet. Weiterhin stehen vom Grundkƶrper 53 zwei ebenfalls weit voneinander beabstandete Arme 63 ab und ragen von der Ebene der Montageschulter 37 bzw. des Grundkƶrpers 53 in den Bodenausschnitt 39 des Montagerahmens 5. Die Arme 63 enden in Topfhaken 65, die in die entsprechenden Positionierungsƶffnungen 49 des Bodens des Heizelementopfes 47 greifen. Mit steigendem Abstand der Topfhaken 65 steigt auch die Positionierungsgenauigkeit bzgl. des Heizelementtopfes 47 im Kochfeld 1. Dieser Abstand betrƤgt typischerweise etwa Ā½ des Durchmessers des Heizelementtopfes 47. Dabei dient das Halterungselement 51 zum einen zur Positionierung bzw. Justierung des Heizelementtopfes 47 relativ zum Rahmen 3, 5 bzw. der Glaskeramikplatte 7 und zum anderen zum DrĆ¼cken des Heizelementtopfes 47 an die Unterseite der Glaskeramikplatte 7. Diese Niederhaltefunktion kann durch zusƤtzliche, im Deckel des Montagerahmens 5 vorgesehene Hilfsmittel, beispielsweise Federn oder PrƤgungen verstƤrkt sein (nicht gezeigt).For adjusting or positioning and assembling the heating elements 45 or well-known heating element pots 47 on the underside of the glass ceramic plate 7 the heater pots 47 into the pre-assembled stable as described above Unit frame 3.5 - glass ceramic plate 7 placed (Fig. 3). At the bottom of the heating element pots 47 are suitable in a manner known per se on a circle from each other spaced apart, numerous numbered positioning openings 49 provided. The exact assignment of the position of the heating element pot 47 to the corresponding one printed on the top of the glass ceramic plate 7 Decor in the range of less than 1 mm inaccuracy is realized as follows: On The mounting shoulder 37 is exactly one radiator mounting element for each heating element pot 47 51 attached from spring steel material. The bracket member 51 has a flat and elongated base body 53. To increase it Stability is provided over essentially the entire length of an embossing 55. By means of screws 57 through the corresponding screw openings 59 of the Projecting support member 51, the support member 51 is on the mounting shoulder 37 attached in a long side of the mounting frame 5. On the two opposite end sections of the base body 53 are as far apart as possible spaced positioning hooks bent at right angles from this 61 provided. These are in appropriately designed openings in the Assembly shoulder 37. To increase the positioning accuracy, one of the im Positioning hook 61 projecting essentially vertically downward an angle of about 45 Ā° to the other positioning hook (Fig. 2, 3). Furthermore, there are two spaced apart from the base body 53 Arms 63 and protrude from the level of the mounting shoulder 37 and the Basic body 53 in the bottom cutout 39 of the mounting frame 5. The arms 63 end in pot hook 65, which in the corresponding positioning openings 49 of the Grab the bottom of the heating element pot 47. With increasing distance between the pot hooks 65 also increases the positioning accuracy with respect to the heating element pot 47 in the Hob 1. This distance is typically about Ā½ of the diameter of the Heating element pot 47. The holding element 51 serves on the one hand for Positioning or adjustment of the heating element pot 47 relative to the frame 3, 5 or the glass ceramic plate 7 and the other for pressing the heating element pot 47 to the underside of the glass ceramic plate 7. This hold-down function can be provided by additional aids provided in the cover of the mounting frame 5, for example, feathers or embossing may be reinforced (not shown).

Claims (8)

Kochfeld mit einer Kochfeldplatte, insbesondere aus Glaskeramik, die an einem metallischen, einteiligen Montagerahmen gehaltert ist, dessen SeitenwƤnde sich im wesentlichen senkrecht zur Kochfeldplatte erstrecken und der bodenseitig eine sich parallel zur Kochfeldplatte mit Abstand zu dieser erstreckende Montageschulter aufweist, die eine groƟflƤchige Bodenƶffnung des Montagerahmens umzieht und in welcher Montageschulter Montageƶffnungen zur Halterung von Komponenten des Kochfeldes vorgesehen sind, dadurch gekennzeichnet, daƟ die SeitenwƤnde (23, 24) als voneinander getrennte einzelne Seitenwandabschnitte ausgebildet sind, die umfangsseitig jeweils einzeln, rechtwinklig von der Montageschulter (37) abgebogen sind.Hob with a hob plate, in particular made of glass ceramic, which is held on a metallic, one-piece mounting frame, the side walls of which extend essentially perpendicular to the hob plate and which has a mounting shoulder extending parallel to the hob plate at a distance from the hob, which has a large floor opening of the mounting frame moves and in which mounting shoulder mounting openings are provided for holding components of the hob, characterized in that the side walls (23, 24) are formed as separate individual side wall sections, each of which is bent circumferentially individually, at right angles from the mounting shoulder (37). Kochfeld nach Anspruch 1, dadurch gekennzeichnet, daƟ in den SeitenwƤnden (23) des Montagerahmens (5) Montageƶffnungen (27) zur Halterung eines Zierrahmens (3) des Kochfeldes (1) an dem Montagerahmen (5) vorgesehen sind.Hob according to Claim 1, characterized in that mounting openings (27) for holding a decorative frame (3) of the hob (1) on the mounting frame (5) are provided in the side walls (23) of the mounting frame (5). Kochfeld nach einem der vorhergehenden AnsprĆ¼che, dadurch gekennzeichnet, daƟ jeweils zwei SeitenwƤnde (23, 24) des Montagerahmens (5) in dessen Eckbereich in DruckfĆ¼getechnik miteinander verbunden sind.Hob according to one of the preceding claims, characterized in that in each case two side walls (23, 24) of the mounting frame (5) are connected to one another in the corner region thereof using pressure joining technology. Kochfeld nach einem der vorhergehenden AnsprĆ¼che, dadurch gekennzeichnet, daƟ kochfeldplattenseitig von den SeitenwƤnden (23, 24) des Montagerahmens (5) jeweils schulterfƶrmige StĆ¼tzabschnitte (21) rechtwinklig abgebogen sind, auf denen die Kochfeldplatte (7) liegt.Hob according to one of the preceding claims, characterized in that shoulder-shaped support sections (21) on which the hob plate (7) lies are each bent at right angles from the side walls (23, 24) of the mounting frame (5). Kochfeld nach einem der vorhergehenden AnsprĆ¼che, dadurch gekennzeichnet, daƟ in SeitenwƤnden (23) des Montagerahmens (5) zu deren Stabilisierung langgestreckte Profilbereiche vorgesehen sind. Hob according to one of the preceding claims, characterized in that elongated profile areas are provided in the side walls (23) of the mounting frame (5) to stabilize them. Kochfeld nach einem der vorhergehenden AnsprĆ¼che, dadurch gekennzeichnet, daƟ die Kochfeldplatte (7) mit dem Montagerahmen (5) und/oder dem Zierrahmen (3) Ć¼ber eine Klebeverbindung (19) verbunden ist.Hob according to one of the preceding claims, characterized in that the hob plate (7) is connected to the mounting frame (5) and / or the decorative frame (3) via an adhesive connection (19). Verfahren zum Herstellen eines rechteckigen, einteiligen, metallischen Montagerahmens (5) fĆ¼r ein Kochfeld (1), wobei die SeitenwƤnde (23, 24) des Montagerahmens (5) als einzelne FlƤchen jeweils rechtwinklig aus einer Bodenplatte (37) des Rahmens (5), die eine Montageschulter (37) bildet, abgebogen werden, wobei die SeitenwƤnde (23, 24) in jeweils benachbarten Randbereichen miteinander fest verbunden werden, und wobei in die Montageschulter (37) Montageƶffnungen (41) zur Halterung von Komponenten des Kochfeldes (1) und in die Bodenplatte (37) ein groƟflƤchiger Ausschnitt (39) gestanzt werden.Process for producing a rectangular, one-piece, metallic mounting frame (5) for a hob (1), the side walls (23, 24) of the mounting frame (5) as individual surfaces each at right angles from a base plate (37) of the frame (5), which forms an assembly shoulder (37), bent the side walls (23, 24) in adjacent edge regions be firmly connected to each other, and being in the mounting shoulder (37) Mounting openings (41) for holding components of the hob (1) and a large cut-out (39) is punched into the base plate (37) become. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daƟ kochfeldplattenseitig von den SeitenwƤnden (23, 24) des Montagerahmens (5) jeweils schulterfƶrmige StĆ¼tzabschnitte (21) rechtwinklig abgebogen werden.Method according to Claim 7, characterized in that shoulder-shaped support sections (21) are bent at right angles from the side walls (23, 24) of the mounting frame (5) on the hob side.
EP99121892A 1998-11-24 1999-11-04 Cooktop with mounting frame formed by bending Expired - Lifetime EP1005253B1 (en)

Applications Claiming Priority (2)

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DE19854228A DE19854228B4 (en) 1998-11-24 1998-11-24 Hob with mounting frame in bending technology
DE19854228 1998-11-24

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EP1005253A2 true EP1005253A2 (en) 2000-05-31
EP1005253A3 EP1005253A3 (en) 2000-08-23
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AT (1) ATE321432T1 (en)
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ES (1) ES2260875T3 (en)

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US6207934B1 (en) 2001-03-27
EP1005253B1 (en) 2006-03-22
DE19854228A1 (en) 2000-05-25
EP1005253A3 (en) 2000-08-23
DE19854228B4 (en) 2007-09-27
ATE321432T1 (en) 2006-04-15
DE59913247D1 (en) 2006-05-11
ES2260875T3 (en) 2006-11-01

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