EP0024621B1 - Plaque de cuisson électrique - Google Patents

Plaque de cuisson électrique Download PDF

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Publication number
EP0024621B1
EP0024621B1 EP80104743A EP80104743A EP0024621B1 EP 0024621 B1 EP0024621 B1 EP 0024621B1 EP 80104743 A EP80104743 A EP 80104743A EP 80104743 A EP80104743 A EP 80104743A EP 0024621 B1 EP0024621 B1 EP 0024621B1
Authority
EP
European Patent Office
Prior art keywords
cover plate
electric cooking
cooking plate
plate
screw
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.)
Expired
Application number
EP80104743A
Other languages
German (de)
English (en)
Other versions
EP0024621A1 (fr
Inventor
Karl Fischer
Felix Schreder
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT80104743T priority Critical patent/ATE4267T1/de
Priority to AT82108180T priority patent/ATE23771T1/de
Priority to AT82108179T priority patent/ATE29099T1/de
Priority to DE8282108179T priority patent/DE3072014D1/de
Priority to DE8282108180T priority patent/DE3071840D1/de
Publication of EP0024621A1 publication Critical patent/EP0024621A1/fr
Application granted granted Critical
Publication of EP0024621B1 publication Critical patent/EP0024621B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/06—Arrangement or mounting of electric heating elements
    • F24C7/067—Arrangement or mounting of electric heating elements on ranges
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/70—Plates of cast metal

Definitions

  • the invention relates to an electric hotplate with a hotplate body, which has a downward, annular edge on the outer circumference, on which a cover plate is supported.
  • Such an electric hotplate with a middle sensor is known.
  • the baffle plate is placed flat on the edge and fastened there with two threaded bolts.
  • the cover plate is not very tight and is difficult to center. If, under extreme conditions, for example after a sea transport, moisture has penetrated into the interior of the space separated from the cover plate, it can increase the leakage currents.
  • the object of the invention is to provide an electric hotplate in which the cover plate is well centered without complex measures and with improved sealing on the hotplate body.
  • the cover plate has a step directed towards the inside of the hotplate, which adjoins the edge region supported on the free lower edge of the edge and cooperates with the inner circumference of the edge to center the cover plate.
  • the cover plate is advantageously pressed on very uniformly from the central region.
  • This shape of the cover plate also makes it possible to accommodate insulation, which can advantageously consist of an inserted metal foil.
  • a drying agent can also be provided which regenerates itself when the hotplate is in operation due to the high temperature.
  • the heat-resistant insulated connecting leads leading out of the electric hotplate flexible and to lead them to a common, freely moveable connecting piece with connecting terminals, the connecting lines being long enough to arrange the connecting piece outside the area of the electric hotplate.
  • this connector can be moved flexibly and adapts to all installation requirements, it is located outside the heated area of the hotplate, but does not interfere with the installation.
  • the connection piece can be bent so that it does not have a greater height than the electric hotplate itself. It can either be folded outwards, in the spaces formed between the round hotplates, or folded inwards in a recess in the cover plate of the hotplate lie.
  • the hotplate can preferably be further improved for particularly space-saving and safe transport if the hotplate is placed on top of one another with opposing cooking surfaces and undersides, but in each case in a position offset by 180 ° in the circumferential direction, an insulating piece then penetrating into a depression in the cover plate. Furthermore, since the above fastening and anti-rotation bolts are preferably missing, the hotplate can be stacked at a height which is even less than its own overall height.
  • the screw securing the cover plate to the hotplate body is advantageously a hollow cap screw with an external and internal thread, which fixes the cover plate with its head and into which a fastening screw for the electric hotplate can be screwed, then it is only necessary for the hotplate production to produce the hollow one Screw in the screw to fix the cover plate.
  • a conventional cap screw is then used to fix the hotplate.
  • the banjo bolt is easier to secure and the packaging and transport costs are reduced. It is also easier to adapt to different installation heights by simply using other cap screws.
  • an electric hotplate 11 which has a hotplate body 12 made of cast iron with an upper flat and closed cooking surface 13.
  • the unheated central zone 14 is lowered, so that an annular cooking surface is created.
  • the hotplate body overlaps on its outer circumference via an overhang edge 15 made of sheet material of essentially U-shaped cross section, which is supported on the raised opening edge 16 of the worktop 17 of an electric cooker or hob.
  • the hotplate In the heated ring area, the hotplate is provided with spirally extending ribs, which likewise form spiral grooves 18 between them, in which heating coils 19 lie in a ceramic investment 20.
  • the edge 21 has a cutout 26 in the form of a square cutout (FIG. 8), in which a corresponding design 27 of the cover plate is placed and thus ensures that the cover plate 24 is secured against rotation on the hotplate body despite a relatively tight seal.
  • the shape 27 of the cover plate in turn ensures that the finished hotplate can be aligned in the circumferential direction during its handling during manufacture. As a result, no inner projection is necessary at the edge 21.
  • Adjoining the step 25 is an area 28 of the cover plate which springs back relative to the edge area 23 and is adjoined by a central area 29 which projects somewhat in relation to the edge area 23.
  • the hotplate body has a downwardly projecting pin 30, into which a blind threaded bore 31 projects from below.
  • a hollow cap screw 32 which is shown in detail in FIG. 9, is screwed into this threaded bore. It consists of a sheet metal stamping or deep-drawn part with a flange-like head region 33 with a hexagon key surface and an adjoining sleeve-shaped threaded section 34, into which an internal and external thread is pressed or pressed.
  • the screw 32 projects through a central hole 36 of the cover plate 24 and is screwed into the thread 35 of the bore 31, so that the cover plate 24 is pressed with its edge region 23 against the lower edge 22 of the edge 21 of the hotplate body 12.
  • a sheet metal part 37 (FIG. 2) is interposed, which has the shape of a sheet metal strip which has a hole 38 on one side through which the screw 32 projects, while the other end is somewhat tapered and with a bent end 39 (FIGS. 1 and 2) comprises an earth line 40.
  • the grounding line can be pressed or welded to the sheet metal part 37.
  • This sheet metal part is simply placed under the screw head 33 in the manner of a washer and enables a safe earth connection. It is particularly advantageous that the sheet metal part during manufacture and Shipping lies flat on the underside of the cover plate 24 and only if it is necessary, something is bent from this. The earth connection therefore does not significantly increase the height of the hotplate.
  • FIG. 9 shows on the left-hand side that the contact surface of the head 33 can be provided with a preferably star-shaped corrugation 41. Accordingly, the sheet metal part 37 is provided on its top and bottom and the cover plate 24 (see FIGS. 2 and 15), whereby the screw 32 is secured against accidental loosening. However, it is also possible to provide other types of backup.
  • the hotplate is held in the worktop opening receiving it by a bracket 42, which is supported on the underside of the worktop 17 and has a flat U-shape. Its long back is stiffened by side bends 43.
  • a cap screw 45 projects through a hole 44 in the middle of the bracket and is screwed into the internal thread in the hollow screw 32.
  • Screw 32 is a simple stamped sheet metal part and screw 45 is a simple machine screw. So far, the hot plates have been provided with bolts which were screwed into the pin 30 and which protruded far beyond the underside of the hot plate.
  • An upwardly projecting pin 47 is riveted to the bracket 42, which engages in a sleeve-like recess 46, which is integrally formed inwardly from the cover plate and thus secures the hotplate against rotation against the bracket.
  • a sleeve-like recess 46 which is integrally formed inwardly from the cover plate and thus secures the hotplate against rotation against the bracket.
  • several recesses 46 can be provided on the circumference, possibly also offset by 90 ° from one another.
  • Fig. 3 shows a variant for the recess 46, which can be selected if the sheet metal from which the cover plate 24 is made should not be subjected to excessive deformation.
  • a separately produced sleeve 46 ' is tightly fastened in an opening of the cover plate 24 by a two-sided flange 46 ". It is also possible to provide the sleeve with a pressed-in thread, for example in the region of the flange 46", for subsequently screwing in a pin.
  • Fig. 4 shows in a detailed representation that between the edge region 23 of the cover plate 24 and the lower edge 22 of the hotplate edge 21, a sealing ring 25 is interposed, which can have a flat or circular cross-sectional shape and consists of a heat-resistant sealing material. Silicone rubber, asbestos-containing sealing materials, etc. are suitable for this. Further seal designs are shown in FIGS. 5 and 6, wherein in FIG. 5 the seal 25a consists of a paste which has been introduced into the angle between the edge region 23 and the step 25 and which, when pressed on, passes over the lower edge 22 and the inside of the edge 21 distributed. In this embodiment, the possibility of sealing in the region of the recess 26 is particularly advantageous.
  • This sealing ring can consist of a molding compound which is made from an alumina-silicate fiber and is impregnated with a varnish based on silicone resin.
  • the seal is intended to prevent moisture from penetrating into the interior 48 of the hotplate and thus possibly. in the investment 20 to avoid when the hotplate is exposed to extreme conditions, such as sea transport. Although the hotplate immediately expels any moisture that may have entered itself without generating previously unacceptable leakage currents, the seal represents an additional security.
  • the seal is made possible in particular by the cover plate being placed on the lower flange, because this seals the seal into one Range comes lower temperature and can be designed better. Previous cover plates were on the underside of the investment material 20. Level 25 ensures additional sealing and perfect centering.
  • FIG. 7 shows an embodiment in which the edge 21 'of the hotplate body has a step-shaped recess 49 on its inner underside, so that an outer circumferential edge section 50 of the edge 21' is formed, which extends somewhat further downward than the contact surface for the edge area 23 of the cover plate 24.
  • the edge 21 'of the hotplate body has a step-shaped recess 49 on its inner underside, so that an outer circumferential edge section 50 of the edge 21' is formed, which extends somewhat further downward than the contact surface for the edge area 23 of the cover plate 24.
  • a metal foil 51 which is in particular a bare aluminum wrinkle foil, lies approximately parallel to the cover plate in the interior 48. It is clamped between the edge 21 and the cover plate 24 or the seals provided (see FIGS. 4 to 7) and encloses a layer 52 between itself and the cover plate 24, which preferably consists of or contains silica gel or diatomaceous earth.
  • This material not only ensures good insulation, but also ensures that e.g. water which has penetrated with the atmospheric moisture is taken up in the silica gel serving as a drying agent.
  • the drying agent is always regenerated automatically when the water is expelled, so that it always remains effective.
  • a desiccant it may be appropriate to perforate the metal foil or to place the desiccant in other containers in the interior 48 to ensure its effectiveness.
  • the layer 52 is possible to produce the layer 52 from highly heat-resistant insulating materials, for example inorganic fibers such as asbestos or other known insulating materials. Together with the overlying metal foil, a very effective insulation is formed, which further reduces the heat losses due to radiation and convection downwards, which are already low in a contact hotplate. However, this above all keeps the temperature of the cover plate 24 low, so that it can be installed even in the flattest cooktops near wooden parts in kitchen furniture.
  • highly heat-resistant insulating materials for example inorganic fibers such as asbestos or other known insulating materials.
  • FIG. 10 shows three hotplates stacked one on top of the other, which apart from the fact that the sheet metal part 37 '(see also FIG. 11) is provided with a flat tongue 53 for connecting a corresponding flat connector 54 for the grounding line 40, with the hotplate according to FIG 1 are identical.
  • like reference numerals designate like parts.
  • the cut in FIG. 10 is offset by 45 ° in relation to FIG. 1, so that it can be seen that an insulating piece 55, which is supported on the inside of the latter and which contains a temperature limiter in its section 48 in the interior 48, projects through the cover plate 24 and is continuous Openings 57 (FIG.
  • connection lines 58 provided with highly heat-resistant insulation from the interior 48, where they are welded with connection pins protruding from the investment material 20.
  • the basic shape of the insulating piece 55 is elongated in the circumferential direction and it projects in the region of a bulge 60 through the cover plate.
  • the connecting lines 58 are connected to a common connecting piece 75 made of ceramic insulating material (FIGS. 10 and 15), which contains plug-in or screw-type connection terminals 76 for connecting current supply lines 78. Due to the arrangement of the insulating piece in the radial direction approximately in the middle of the annular heated area and the dimensioning of the connecting lines, the outer edge 77 of the connecting piece 75 is preferably at a maximum distance of less than a hotplate radius from its outer edge and can be flexibly adapted to the installation conditions , whereby the connecting lines act like a flexible band, which allows easy swiveling and greater mobility of the connecting piece in the vertical direction, but more restricting twisting and lateral movement.
  • the insulating piece 55 diametrically opposite and at a corresponding radial distance from the hotplate center there is a recess 61 in the cover plate 24, the dimensions of which are selected such that they reliably accommodate the projecting part of the insulating piece in the mutual assignment of the hotplate shown in FIG can, without the connecting lines 58 being bent too sharply.
  • the width of the depression is considerably larger than that of the insulating piece, so that, as can be seen from FIG. 10 for the two upper hot plates, the connecting lines 58 can be folded inwards and the connecting piece 77 can lie next to the insulating piece in the depression 61 . It is also possible to store the connection piece 77 (FIG. 10 below) folded outward approximately in one plane with the hotplate, the connection lines 58 leading through a corresponding cutout of the packing plate 63.
  • the hotplates with their central axes are stacked one above the other with their flat cooking surfaces 13 and with their undersides covered by the cover plates 24, only a sheet or film 62 being inserted between the cooking surfaces 13 to prevent scratches, while between the hotplates
  • a packing plate 63 is placed on the underside, which can consist of plywood or chipboard and has recesses which are selected such that the hotplate is centered on it when it is placed on it. Parts of the hotplate projecting downward from the outer edge 23 of the cover plate protrude into the recess 64 of the packing plate 63.
  • the hot plates 11 are each offset by 180 ° in the circumferential direction, so that the insulating piece 55 with the connecting lines protrudes into the depression 61 and the hot plate even requires a smaller packing space than its total height.
  • the edges 21 are supported with the interposition of the packing plate 63, in that a solid stack is formed which does not tend to tip over.
  • the aligned arrangement of the hot plates also contributes to this.
  • the packing plates 63 have numerous recesses 64 next to one another and one behind the other in accordance with the desired packaging or pallet size, so that a large number of hot plates can be stored and transported in a solid block, not only saving on storage and transport costs, but also on accident safety elevated. Packing can also be done fully automatically by grippers.
  • FIGS. 12 to 15 Another device is shown in FIGS. 12 to 15 in order to ensure that the hotplate is secured against rotation relative to fastening parts, for example the bracket 42.
  • a sheet metal part 65 is used, which has the shape of a flat right-angled strip which extends in the area of the bend 66. Lateral incisions 67 separate edge areas at the ends of the sections 68, which are bent or rolled up around the ends (see in particular FIG. 13), so that the ends are pin-like.
  • U-shaped cutouts 70 are provided in the sections 68, so that sheet metal tabs 71 are formed which are bent out of the plane of the sections 68. 14 shows this sheet metal part 65 in the installed state.
  • the ends 69 are preferably only when the hotplate is installed in a stove or the like. bent by about 90 °, which is easily possible due to the incisions 67. It is only necessary to bend the end 69 which is to be inserted into a hole 73 in the mounting bracket 42 '. An anti-rotation lock is also created here without increasing the transport space.
  • the anti-rotation sheet metal part 65 could be provided with a third section 37 ", at the end of which a flat tongue 53 is arranged for connecting an earth line.
  • a single part can have a dual function, namely anti-rotation and 15, it is also possible, as shown in Fig. 15, that the sheet metal part 37 'is screwed on in addition to the anti-rotation sheet metal part 65 by means of the screw 32. Since the part 65 is secured against rotation in any case, a corrugation 41 on it is sufficient without it that it would be necessary on the cover plate.
  • the depression 61 lies diametrically opposite the insulating part 55. It would of course also be possible to provide an offset at a different angle. Accordingly, the depression 61 would also have to be offset by a different angle with respect to the insulating piece 55.
  • the end plate has the advantage that, despite sufficient rigidity, it is easy to manufacture due to the not very deep deformation and creates a well-insulated, closed interior.
  • the cover could rest on the outer edge 21 as well as on the inner edge surrounding the sensor recess with one step following the cover plate. The fastening could also be done there using banjo bolts. In this case, the pin with the internal thread would not lie centrally but, for example, in the area of the outer edge.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Resistance Heating (AREA)
  • Electric Stoves And Ranges (AREA)
  • Cookers (AREA)
  • Table Devices Or Equipment (AREA)

Claims (17)

1. Plaque de cuisson électrique avec un corps qui possède à sa circonférence externe un bord annulaire dirigé vers le bas et présente une tôle de recouvrement qui prend appui sur ce bord, caractérisée par le fait que la tôle de recouvrement (24) a un gradin (25) orienté vers l'intérieur (48) de la plaque de cuisson, lequel gradin se raccorde à la zone marginale (23) prenant appui sur l'arête inférieure libre (22) du bord (21) et coopère avec la circonférence interne du bord (21) en vue du centrage de la tôle de recouvrement (24).
2. Plaque de cuisson électrique selon la revendication 1, caractérisée par le fait que, entre la tôle de recouvrement (25) et le bord (21), est intercalée une garniture d'étanchéité (25, 25a, 25b) de préférence coudée, en particulier en un caoutchouc siliconé appliqué de préférence sous la forme d'une pâte ou en une matière fibreuse de silicate d'alumine imprégnée d'un vernis résistant à de fortes chaleurs.
3. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que l'arête inférieure du bord (21') comporte un tronçon marginal circonférentiel externe (50) faisant saillie vers le bas au-delà de l'arête de contact (49) pour la tôle de recouvrement (24).
4. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait qu'il est prévu dans le bord (21) une échancrure (26) dans laquelle pénètre une saillie emboutie correspondante (27) de la tôle de recouvrement (24) dirigée vers l'intérieur de la plaque de cuisson.
5. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que du côté, tourné vers la tôle de recouvrement (24), de l'espace interne (48) de la plaque de cuisson électrique (11) obturé par la tôle de recouvrement (24), il est prévu une isolation (51, 52) qui renferme de préférence une feuille métallique, par exemple une feuille d'aluminium froissée coincée entre la tôle de recouvrement et le bord.
6. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que, dans l'espace interne (48), est logé un moyen de dessiccation qui se régénère de préférence de lui- même à haute température.
7. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que la tôle de recouvrement (24) présente à la distance radiale, par rapport au centre de la plaque de cuisson, d'un organe d'isolation (55) sortant de la tôle de recouvrement (24) pour guider les raccords électriques de la plaque de cuisson à travers la tôle de recouvrement, un renfoncement (61) de préférence diamétralement opposé à l'organe d'isolation et comportant des dimensions en largeur telles qu'il puisse éventuellement recevoir l'organe d'isolation (55) et une pièce de raccordement (75).
8. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que les conducteurs de raccordement (58) isolés pour résister à la chaleur et sortant de la tôle de recouvrement par un organe d'isolation (55) sont flexibles et rejoignent une pièce commune de raccordement (75) montée à mouvements libres et comportant des bornes de raccordement (76), les conducteurs de raccordement (58) étant suffisamment longs pour reléguer la pièce de raccordement (75) à l'extérieur de la zone de la plaque de cuisson électrique (11).
9. Plaque de cuisson électrique selon la revendication 7 ou 8, caractérisée par le fait que la distance entre les extrémités externes (77) de la pièce de raccordement (75) et le bord de la plaque de cuisson électrique (11) est plus petite que le rayon de la plaque de cuisson électrique (11) et l'organe d'isolation (55) est avantageusement disposé dans le sens radial approximativement au centre de la zone annulaire de chauffage.
10. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait qu'elle est réalisée de telle sorte que plusieurs plaques de cuisson électriques (11) peuvent être disposée avec à chaque fois un décalage à 180° dans le sens circonférentiel et avec des surfaces de cuisson (13) et des tôles de recouvrement (24) tournées alternativement les unes vers les autres, l'organe d'isolation (55) d'une plaque de cuisson (11) venant se loger dans le renfoncement (61) de la tôle de recouvrement (24) de l'autre plaque de cuisson (11).
11. Plaque de cuisson électrique selon la revendication 10, caractérisée par le fait qu'une plaque d'emballage (63) avec des orifices (64) pour centrer mutuellement les plaques de cuisson est à chaque fois intercalée entre les faces inférieures des plaques de cuisson électriques (11) tournées les unes vers les autres, les bords (21) du corps (12) de la plaque de cuisson, prévus à la circonférence externe du corps (12) de la plaque de cuisson et éloignés de la surface de cuisson, étant de préférence alignés en appui les uns sur les autres par l'entremise de la plaque d'emballage (63), une couche ou feuille intercalaire (62) étant avatageusement placée entre les surfaces de cuisson (13) tournées les unes vers les autres.
12. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que la tôle de recouvrement est fixée avec une vis (32) à un mamelon du corps de la plaque de cuisson et la vis sert en plus aussi à la fixation de la plaque de cuisson électrique à un fourneau, une auge de cuisson ou appareil analogue, la vis (32) étant une vis creuse à tête avec des filets externe et interne qui bloque la tôle de recouvrement (24) par sa tête (33) et dans laquelle peut être vissé un boulon (45) pour la fixation de la plaque de cuisson électrique (11); et par le fait que la vis (32) est de préférence une douille en tôle avec une tête (33) formant collerette et un filetage empreint.
13. Plaque de cuisson électrique selon la revendication 12, caractérisée par le fait que, du côté de la tête (33) de la vis tournée vers la tôle de recouvrement (24), il est prévu un striage (41) qui coopère éventuellement avec un striage (41) de préférence en forme d'étoile sur la tôle de recouvrement (24) ou avec une pièce intercalaire (37, 65) en vue de bloquer la vis (32).
14. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que, entre la vis (32) retenant la tôle de recouvrement (24) et pouvant être vissée dans un mamelon (30) de la plaque de cuisson électrique (11), et la tôle de recouvrement (24), est coincée au moins une pièce en tôle (37, 37', 65) avec au moins un tronçon (68) faisant saillie vers l'extérieur à partir de la zone médiane et avantageusement réalisé pour le montage d'un conducteur (40) de mise à la terre par emboîtement, sertissage ou coincement.
15. Plaque de cuisson électrique selon la revendication 14, caractérisée par le fait qu'au moins l'un des tronçons (68) peut comporter des extrémités (69) pouvant être cintrées à l'écart de la tôle de recouvrement (24) et coopérant, en vue d'empêcher la torsion de la plaque de cuisson électrique (11), avec des pièces de fixation (42') sur le fourneau, l'auge de cuisson ou appareil analogue; et par le fait qu'en particulier la pièce en tôle (65) est arrêtée en rotation sur la plaque de cuisson électrique (11 par des languettes (71) coudées à partir de la tôle et pénétrant dans des évidements (72) de la tôle de recouvrement.
16. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que, sur sa tôle inférieure de recouvrement (24), il est prévu au moins un renfoncement (46, 46') fermé par rapport à l'intérieur de la plaque de cuisson, en forme de douille, élaboré à partir de la tôle de recouvrement ou placé dans une ouverture de la tôle de recouvrement, en vue de recevoir un goujon (47) empêchant la rotation et fixé à une partie de fixation (42) ou devant être vissé dans le renfoncement.
17. Plaque de cuisson électrique selon l'une des revendications précédentes, caractérisée par le fait que la tôle de recouvrement (24) est pressée sur le bord (21) par une fixation (32) venant en prise dans la zone médiane.
EP80104743A 1979-08-17 1980-08-12 Plaque de cuisson électrique Expired EP0024621B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT80104743T ATE4267T1 (de) 1979-08-17 1980-08-12 Elektrokochplatte.
AT82108180T ATE23771T1 (de) 1979-08-17 1980-08-12 Elektrokochplatte.
AT82108179T ATE29099T1 (de) 1979-08-17 1980-08-12 Elektrokochplatte.
DE8282108179T DE3072014D1 (en) 1979-08-17 1980-08-12 Electric cooking plate
DE8282108180T DE3071840D1 (en) 1979-08-17 1980-08-12 Electric cooking plate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792933296 DE2933296A1 (de) 1979-08-17 1979-08-17 Elektrokochplatte
DE2933296 1979-08-17

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP82108179.1 Division-Into 1980-08-12
EP82108180.9 Division-Into 1980-08-12

Publications (2)

Publication Number Publication Date
EP0024621A1 EP0024621A1 (fr) 1981-03-11
EP0024621B1 true EP0024621B1 (fr) 1983-07-20

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Family Applications (3)

Application Number Title Priority Date Filing Date
EP82108180A Expired EP0070043B1 (fr) 1979-08-17 1980-08-12 Plaque de cuisson électrique
EP82108179A Expired EP0070042B1 (fr) 1979-08-17 1980-08-12 Plaque de cuisson électrique
EP80104743A Expired EP0024621B1 (fr) 1979-08-17 1980-08-12 Plaque de cuisson électrique

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EP82108180A Expired EP0070043B1 (fr) 1979-08-17 1980-08-12 Plaque de cuisson électrique
EP82108179A Expired EP0070042B1 (fr) 1979-08-17 1980-08-12 Plaque de cuisson électrique

Country Status (17)

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US (3) US4348581A (fr)
EP (3) EP0070043B1 (fr)
JP (1) JPS5631717A (fr)
AU (1) AU537864B2 (fr)
CA (1) CA1163298A (fr)
DE (4) DE2933296A1 (fr)
DK (2) DK352880A (fr)
ES (1) ES494268A0 (fr)
FI (1) FI67464C (fr)
GR (1) GR68424B (fr)
HK (1) HK59184A (fr)
NO (1) NO153669C (fr)
PL (1) PL122796B1 (fr)
PT (1) PT71703B (fr)
TR (1) TR21050A (fr)
YU (1) YU42531B (fr)
ZA (1) ZA805011B (fr)

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DE3709438A1 (de) * 1987-03-22 1988-10-06 Ego Elektro Blanc & Fischer Elektrokochplatte
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CN106322445B (zh) * 2015-07-09 2019-12-20 博西华电器（江苏）有限公司 燃气灶及其组件
EP3206459B1 (fr) * 2016-02-10 2019-04-03 E.G.O. ELEKTRO-GERÄTEBAU GmbH Plaque de cuisson et plan de cuisson comprenant une plaque de cuisson
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Also Published As

Publication number Publication date
DE2933296A1 (de) 1981-02-26
CA1163298A (fr) 1984-03-06
DE3064273D1 (en) 1983-08-25
AU6145980A (en) 1981-02-19
ES8103906A1 (es) 1981-03-16
TR21050A (tr) 1983-06-07
JPH0246206B2 (fr) 1990-10-15
PL226286A1 (fr) 1981-02-27
AU537864B2 (en) 1984-07-19
DK69487A (da) 1987-02-11
PL122796B1 (en) 1982-08-31
PT71703B (pt) 1981-06-25
JPS5631717A (en) 1981-03-31
EP0024621A1 (fr) 1981-03-11
NO153669C (no) 1986-04-30
US4348581A (en) 1982-09-07
ZA805011B (en) 1981-08-26
DK69487D0 (da) 1987-02-11
DE3072014D1 (en) 1987-09-24
NO802436L (no) 1981-02-18
YU42531B (en) 1988-10-31
EP0070043A2 (fr) 1983-01-19
EP0070042A3 (en) 1983-06-01
DE3071840D1 (en) 1987-01-08
FI802550A (fi) 1981-02-18
US4467181A (en) 1984-08-21
NO153669B (no) 1986-01-20
ES494268A0 (es) 1981-03-16
FI67464C (fi) 1985-03-11
HK59184A (en) 1984-08-10
US4414466A (en) 1983-11-08
EP0070042A2 (fr) 1983-01-19
GR68424B (fr) 1981-12-29
DK352880A (da) 1981-02-18
PT71703A (pt) 1980-09-01
FI67464B (fi) 1984-11-30
EP0070042B1 (fr) 1987-08-19
YU205080A (en) 1982-08-31
EP0070043A3 (en) 1983-06-01
EP0070043B1 (fr) 1986-11-20

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