EP0070042B1 - Elektrokochplatte - Google Patents

Elektrokochplatte Download PDF

Info

Publication number
EP0070042B1
EP0070042B1 EP82108179A EP82108179A EP0070042B1 EP 0070042 B1 EP0070042 B1 EP 0070042B1 EP 82108179 A EP82108179 A EP 82108179A EP 82108179 A EP82108179 A EP 82108179A EP 0070042 B1 EP0070042 B1 EP 0070042B1
Authority
EP
European Patent Office
Prior art keywords
cooking plate
hotplate
lines
connecting piece
flexible
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
EP82108179A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0070042A3 (en
EP0070042A2 (de
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Gerate Blanc und Fischer GmbH
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 EGO Elektro Gerate Blanc und Fischer GmbH filed Critical EGO Elektro Gerate Blanc und Fischer GmbH
Priority to DE8080104743T priority Critical patent/DE3064273D1/de
Publication of EP0070042A2 publication Critical patent/EP0070042A2/de
Publication of EP0070042A3 publication Critical patent/EP0070042A3/de
Application granted granted Critical
Publication of EP0070042B1 publication Critical patent/EP0070042B1/de
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 a method for producing an electric hotplate, which has a hotplate body with heating elements and with a lower cover plate and an insulating piece protruding through the cover plate for receiving heating element connecting lines, the heating element connecting lines being electrically and on the outside of the hotplate arranged heat-resistant insulated free ending and are intended for the connection of mains power supply lines for the hotplate to be carried out when installing the hotplate for connection to a connector.
  • the invention has for its object to provide a method for producing an electric hotplate and an electric hotplate produced by this method, which ensure simplified installation of the electric hotplate with improved storage and transport options.
  • the connector is attached to the heating element connecting lines during the production of the hotplate in such a way that they are combined into a flexible band consisting of individual lines lying next to one another, which at a Swiveling about a transverse axis lying parallel to the plane of the belt is more flexible than swiveling about other axes and that the heating element connecting piece is movable relative to the hotplate between an installation position for installing the hotplate and a connection position outside the hotplate due to the sufficient length of the heating element connecting lines remains.
  • the heating element connecting lines are already connected in the correct order from the time the hotplate is manufactured to the connection piece integrated with the hotplate into a prefabricated assembly, which generally has markings for the correct connection of the mains power supply lines and that there is a risk of incorrect connection of these supply lines significantly reduced. Since the connector still remains movable with respect to the hotplate body, it can be brought into a suitable position for storage, transport, installation and electrical connection, which considerably simplifies the handling of the electric hotplate from manufacture to final installation.
  • the relatively easy pivoting in one level means that the connector can be folded inwards, which is particularly advantageous during the installation of the hotplate in the stove.
  • An electric hotplate according to the invention is specified in independent claim 2.
  • a particularly advantageous feature of this subject matter of the invention is that in the lower cover plate of the electric hotplate there is a depression which is directed toward the interior of the electric hotplate and is designed to accommodate the connecting piece.
  • the depression can lie in the region of the insulating piece, so that it can accommodate not only the insulating piece of one cooking plate but also the connecting piece of the other cooking plate when the hotplates are stacked together with their undersides.
  • 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 13 is formed.
  • the hotplate body 12 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 11 is provided with spirally extending ribs, which likewise form spiral grooves 18, in which heating elements 19 in the form of heating coils lie in a ceramic investment material 20.
  • the edge 21 has a recess 26 in the form of a square cutout, into 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 12 despite a relatively tight seal.
  • the shape 27 of the cover plate 24 in turn ensures that the finished hotplate 11 can be aligned in the circumferential direction during its handling during manufacture. As a result, no inner projection is necessary at the edge 21.
  • the step 25 is followed by an area 28 of the cover plate 24 which springs back relative to the edge area 23 and is adjoined by a central area 29 which projects somewhat from the edge area 23.
  • the hotplate body 12 has a downwardly projecting pin 30, into which a blind hole 31 projects.
  • a hollow cap screw 32 is screwed into this threaded bore 31 and protrudes through a central hole in the cover plate 24, 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 is interposed, which includes a ground line with a bent end 39. It is particularly advantageous that the sheet metal part 37 lies flat against the underside of the cover plate 24 during manufacture and shipping and is only bent off from it if necessary. The earth connection therefore does not significantly increase the height of the hotplate.
  • the hotplate 11 is held in the worktop opening receiving it by a bracket 42 which is supported on the underside of the worktop 17, has a flat U-shape or has a pin 47 which engages in a recess 46 in the cover plate 24 to prevent rotation. Its long back is stiffened by side bends 43.
  • a screw 45 which is screwed into the internal thread in the hollow cap screw 32, projects through a hole 44 in the middle of the bow. Thus, the hotplate 11 is clamped down by the screw 45 and the bracket 42 and is securely fixed.
  • a plurality of depressions 46 can be provided on one circumference, possibly also offset by 90 ° from one another.
  • a metal foil 51 is located approximately parallel to the cover plate 24 in the interior 48, which is in particular a bare aluminum wrinkle film. It is clamped between the edge 21 and the cover plate 24 and includes 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 provides good insulation, but also acts as a drying agent. If extreme conditions with regard to the occurrence of moisture are not to be feared, it 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.
  • FIG. 2 shows three hotplates 11 stacked one on top of the other, which are the same as the hotplate 11 according to FIG. In the description, the same reference numerals are used same parts.
  • the cut is offset by 45 ° in FIG. 2 compared to FIG. 1.
  • this supporting insulating piece 55 which contains a temperature limiter in its interior section and has through openings 57 (Fig. 3), through which a highly heat-resistant insulation provided connection lines 58 protrude from the interior 48, where they are welded to connecting pins of the heating elements which protrude from the investment material 20.
  • the basic shape of the insulating piece 55 is elongated in the circumferential direction and it projects through the cover plate 24 in the region of a bulge 60.
  • the connecting lines 58 are connected to a common connecting piece 75 made of ceramic insulating material, which contains plug or screw connection terminals 76 for connecting the mains power supply lines 78. Due to the arrangement of the insulating piece 55 in the radial direction approximately in the middle of the annular heated area or in the range between 2/3 to 3/4 of the hotplate radius from the hotplate center, and by the dimensioning of the length of the connecting lines 58, the free end edge lies 77 of the connector 75 preferably at a maximum distance of less than a hotplate radius from the outer edge of the hotplate 11 and can be flexibly adapted to the installation conditions.
  • the adjacent connecting lines 58 act like a flexible band, which allows easy pivoting and greater mobility of the connecting piece 75 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, which is selected in its dimensions so that it the projecting part of the insulating piece 55 in the mutual assignment of the hotplates 11 shown in FIG. 2 can record with certainty without the leads 58 being kinked too sharply.
  • the width of the recess 61 is substantially larger than that of the insulating piece 55, so that, as can be seen from FIG. 2 for the two upper hot plates 11, the connecting lines 58 can be folded inwards and the connecting piece 75 next to the insulating piece 55 in the Well 61 can lie. It is also possible to store the connecting piece 75 (FIG. 2 below) folded outward in approximately one plane with the hotplate 11, the connecting lines 58 leading through a corresponding cutout in a packing plate 63.
  • the recess 61 in the cover plate 24 makes it possible to pack the hot plates 11 particularly safely and in a space-saving manner during storage and shipping.
  • the hot plates 11 are stacked with their central axes aligned with one another, with their flat cooking surfaces 13 and with their undersides covered by the cover plates 24, with only one sheet or film 62 being inserted between the cooking surfaces 13 to prevent scratches, while between them Hotplate undersides a packing plate 63 is placed, which can consist of plywood or chipboard and has recesses 64 which are selected so that the hotplate is centered on it when placed on it. Parts of the hotplate 11 projecting downward from the edge area 23 of the cover plate 24 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 58 projects into the recess 61 and the hot plate 11 even requires a smaller packing space than its total height.
  • the edges 21 are supported against one another with the interposition of the packing plate 63, so that a solid stack is formed which does not tend to tip over.
  • the aligned arrangement of the hot plates 11 also contributes to this.
  • the packing plates 63 have numerous recesses 64 side by side and one behind the other in accordance with the desired packaging or plate size, so that a large number of hot plates 11 can be stored and transported in a solid block. This not only saves storage and transport costs, it also increases accident safety. Packing can also be done fully automatically using grippers. 2 is missing the silica gel filling. An aluminum wrinkle film 51 is placed parallel to the cover plate 24 only for insulation purposes.
  • the depression 61 is diametrically opposite the insulating part 55. It would also be conceivable to provide an offset at a different angle. Accordingly, the recess 61 would also have to be offset from the insulating piece 55 by a different angle.
  • the end plate 24 has the advantage that it is easy to manufacture despite sufficient rigidity due to the not very deep deformation and creates a well-insulated closed interior.
  • the cover plate could be placed against the edge 21 as well as against an inner edge surrounding the central opening with one shoulder of the cover plate. The fastening could also be done there using banjo bolts. In this case, the hollow cap screw would not be located centrally, but in the area of the edge, for example.
  • a sheet metal part 65 is used, which has the shape of a flat, wY, stripy strip and whose leg ends are bent or rolled up so that these Ends are pin-like.
  • the sheet metal part 65 like the sheet metal part 37 in FIG. 1, is fastened to the hotplate body with the hollow cap screw 32 and secured there against rotation.
  • the leg ends of the sheet metal part 65 are preferably only bent by approximately 90 ° when the hotplate 11 is installed in a stove or the like. Only the leg end that is to be inserted into a hole in the mounting bracket 42 needs to be bent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Electric Stoves And Ranges (AREA)
  • Resistance Heating (AREA)
  • Cookers (AREA)
  • Table Devices Or Equipment (AREA)
EP82108179A 1979-08-17 1980-08-12 Elektrokochplatte Expired EP0070042B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8080104743T DE3064273D1 (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 Parent Applications (1)

Application Number Title Priority Date Filing Date
EP80104743.2 Division 1980-08-12

Publications (3)

Publication Number Publication Date
EP0070042A2 EP0070042A2 (de) 1983-01-19
EP0070042A3 EP0070042A3 (en) 1983-06-01
EP0070042B1 true EP0070042B1 (de) 1987-08-19

Family

ID=6078643

Family Applications (3)

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

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP80104743A Expired EP0024621B1 (de) 1979-08-17 1980-08-12 Elektrokochplatte
EP82108180A Expired EP0070043B1 (de) 1979-08-17 1980-08-12 Elektrokochplatte

Country Status (17)

Country Link
US (3) US4348581A (enExample)
EP (3) EP0070042B1 (enExample)
JP (1) JPS5631717A (enExample)
AU (1) AU537864B2 (enExample)
CA (1) CA1163298A (enExample)
DE (4) DE2933296A1 (enExample)
DK (2) DK352880A (enExample)
ES (1) ES8103906A1 (enExample)
FI (1) FI67464C (enExample)
GR (1) GR68424B (enExample)
HK (1) HK59184A (enExample)
NO (1) NO153669C (enExample)
PL (1) PL122796B1 (enExample)
PT (1) PT71703B (enExample)
TR (1) TR21050A (enExample)
YU (1) YU42531B (enExample)
ZA (1) ZA805011B (enExample)

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* Cited by examiner, † Cited by third party
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DE3131463C2 (de) * 1981-08-08 1986-02-06 Fischer, Karl, 7519 Oberderdingen Elektrische Kochplatte mit einem metallischen Kochplattenkörper
DE8301364U1 (enExample) * 1982-07-07 1987-06-25 E.G.O. Elektro-Geraete Blanc U. Fischer, 7519 Oberderdingen, De
DE3324783A1 (de) * 1983-07-08 1985-01-17 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Kochmulde
DE3425896A1 (de) * 1984-07-13 1986-01-23 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Elektrokochplatte
DE3527533A1 (de) * 1985-08-01 1987-02-12 Ego Elektro Blanc & Fischer Elektrokochplatte
DE8528062U1 (de) * 1985-10-02 1987-01-29 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Einbauvorrichtung für eine Elektrokochplatte
DE3540816A1 (de) * 1985-11-16 1987-05-21 Ego Elektro Blanc & Fischer Elektrokochplatte sowie vorrichtung fuer deren anschluss
USD299408S (en) 1986-04-10 1989-01-17 E.G.O. Elektro-Gerate Blanc U. Fischer Electric hotplate
US4888470A (en) * 1986-08-26 1989-12-19 E.G.O. Elektro-Gerate Blanc U. Fischer Sealed electric hotplate
ZA866439B (en) * 1986-08-26 1987-02-18 E.G.O. Elektro-Geraete Blanc U. Fischer Sealed electric hotplate
EP0279367A3 (de) * 1987-02-18 1989-07-26 E.G.O. Elektro-Geräte Blanc u. Fischer Kochgerät
DE3709438A1 (de) * 1987-03-22 1988-10-06 Ego Elektro Blanc & Fischer Elektrokochplatte
US4767915A (en) * 1987-03-30 1988-08-30 Raytheon Company Solid plate plug-in heating element
DE3728528A1 (de) * 1987-08-27 1989-03-09 Ego Elektro Blanc & Fischer Elektrokochplatten-anschlussstueck
DE8712088U1 (de) * 1987-09-05 1987-10-22 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Elektro-Kochplatte
JPH0192794U (enExample) * 1987-12-14 1989-06-19
US4993553A (en) * 1988-02-09 1991-02-19 E.G.O. Elektro Gerate Blanc U. Fischer Electric hotplate stacking aid
DE8805230U1 (de) * 1988-04-20 1989-08-24 E.G.O. Elektro-Geräte Blanc u. Fischer, 7519 Oberderdingen Elektro-Kochplatte
US6314867B1 (en) 2000-06-02 2001-11-13 David K. Russell Inductively coupled beverage warmer
US6984237B2 (en) 2002-05-22 2006-01-10 Orthopaedic Biosystems Ltd., Inc. Suture passing surgical instrument
US8986343B2 (en) 2004-06-16 2015-03-24 Smith & Nephew Suture passing
US7326885B2 (en) * 2006-05-02 2008-02-05 Barnstead/Thermolyne Corporation Hot plate with stainless steel top
KR101306725B1 (ko) * 2007-03-08 2013-09-10 엘지전자 주식회사 히팅장치
US7783176B2 (en) * 2007-06-28 2010-08-24 Strix Limited Heaters for liquid heating vessels
US8556916B2 (en) 2011-02-14 2013-10-15 Smith & Nephew, Inc. Method and device for suture manipulation
WO2015164819A1 (en) 2014-04-24 2015-10-29 Smith & Nephew, Inc. Suture passer
US10406590B2 (en) * 2014-07-07 2019-09-10 Physical Systems, Inc. Hollow metal screw and method of making
ES2986081T3 (es) * 2014-07-07 2024-11-08 Physical Systems Tuerca hueca
US9936943B1 (en) 2014-08-07 2018-04-10 Nicholas MANCINI Suture passing surgical device with atraumatic grasper preventing accidental perforations
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 (de) * 2016-02-10 2019-04-03 E.G.O. ELEKTRO-GERÄTEBAU GmbH Kochplatte und kochfeld mit einer kochplatte
WO2018081374A1 (en) 2016-10-31 2018-05-03 Smith & Nephew, Inc. Suture passer and grasper instrument and method
EP4290139A1 (en) * 2022-06-09 2023-12-13 Electrolux Appliances Aktiebolag Cooking appliance

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DE2651848A1 (de) * 1976-11-13 1978-05-18 Ego Elektro Blanc & Fischer Anschlusstueck fuer den elektrischen anschluss von elektrokochplatten

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DE2620004C3 (de) * 1976-05-06 1979-05-31 Fischer, Karl, 7519 Oberderdingen Elektrokochplatte mit einem Temperaturbegrenzer
FR2358577A1 (fr) * 1976-07-13 1978-02-10 Esswein Sa Dispositif de fixation de pieces avec l'aide d'une portee d'assemblage en matiere plastique ou en elastomere
US4153833A (en) * 1977-05-05 1979-05-08 Karl Fischer Electric hot plate assembly with a temperature limiter
JPS5453283A (en) * 1977-09-30 1979-04-26 Matsushita Electric Works Ltd Screwless terminal device
DE7837478U1 (de) * 1978-12-18 1979-03-22 E.G.O. Elektro-Geraete Blanc U. Fischer, 7519 Oberderdingen AnschluBteU für elektrische Leitungen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1093754A (en) * 1912-12-14 1914-04-21 Gen Electric Expansion member for electric heating devices.
DE2651848A1 (de) * 1976-11-13 1978-05-18 Ego Elektro Blanc & Fischer Anschlusstueck fuer den elektrischen anschluss von elektrokochplatten

Also Published As

Publication number Publication date
EP0024621A1 (de) 1981-03-11
EP0070042A3 (en) 1983-06-01
FI67464B (fi) 1984-11-30
FI67464C (fi) 1985-03-11
US4467181A (en) 1984-08-21
ES494268A0 (es) 1981-03-16
EP0024621B1 (de) 1983-07-20
YU42531B (en) 1988-10-31
DE3072014D1 (en) 1987-09-24
DE2933296A1 (de) 1981-02-26
NO802436L (no) 1981-02-18
YU205080A (en) 1982-08-31
DE3064273D1 (en) 1983-08-25
FI802550A7 (fi) 1981-02-18
PL226286A1 (enExample) 1981-02-27
ZA805011B (en) 1981-08-26
TR21050A (tr) 1983-06-07
GR68424B (enExample) 1981-12-29
AU537864B2 (en) 1984-07-19
EP0070043A3 (en) 1983-06-01
HK59184A (en) 1984-08-10
NO153669C (no) 1986-04-30
EP0070043A2 (de) 1983-01-19
DE3071840D1 (en) 1987-01-08
US4414466A (en) 1983-11-08
ES8103906A1 (es) 1981-03-16
DK69487A (da) 1987-02-11
EP0070043B1 (de) 1986-11-20
NO153669B (no) 1986-01-20
EP0070042A2 (de) 1983-01-19
PT71703B (pt) 1981-06-25
DK352880A (da) 1981-02-18
PL122796B1 (en) 1982-08-31
AU6145980A (en) 1981-02-19
JPH0246206B2 (enExample) 1990-10-15
DK69487D0 (da) 1987-02-11
PT71703A (pt) 1980-09-01
CA1163298A (en) 1984-03-06
US4348581A (en) 1982-09-07
JPS5631717A (en) 1981-03-31

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