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EP0202969A1 - Flaches Heizelement mit elektrischem Widerstand und mit einem derartigen Element ausgerüsteter Heizartikel - Google Patents

Flaches Heizelement mit elektrischem Widerstand und mit einem derartigen Element ausgerüsteter Heizartikel Download PDF

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Publication number
EP0202969A1
EP0202969A1 EP86400774A EP86400774A EP0202969A1 EP 0202969 A1 EP0202969 A1 EP 0202969A1 EP 86400774 A EP86400774 A EP 86400774A EP 86400774 A EP86400774 A EP 86400774A EP 0202969 A1 EP0202969 A1 EP 0202969A1
Authority
EP
European Patent Office
Prior art keywords
heating element
heating
support
layers
metal sheet
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
EP86400774A
Other languages
English (en)
French (fr)
Other versions
EP0202969B1 (de
Inventor
Bernard Louison
Jean Hennuy
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.)
SEB SA
Original Assignee
SEB SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9318429&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0202969(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SEB SA filed Critical SEB SA
Priority to AT86400774T priority Critical patent/ATE57811T1/de
Publication of EP0202969A1 publication Critical patent/EP0202969A1/de
Application granted granted Critical
Publication of EP0202969B1 publication Critical patent/EP0202969B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/30—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material on or between metallic plates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1036—Bending of one piece blank and joining edges to form article
    • Y10T156/1038—Hollow cylinder article
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49083—Heater type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2911—Mica flake
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2962—Silane, silicone or siloxane in coating

Definitions

  • the present invention relates to a flat electric resistance heating element, in particular for a household article comprising a heating surface.
  • the invention also relates to heating articles comprising such a heating element.
  • the invention preferably applies, but is not limited to, cookware with a heated bottom, cooking plates, plate warmers, radiators and radiant panels and irons.
  • Culinary articles with a heated bottom generally comprise a tubular and shielded electrical resistance fixed by crimping to the bottom of the article. This method of attachment is complex and expensive. In addition, it does not make it possible to obtain an excellent thermal contact between the resistance and the bottom of the article nor to obtain a homogeneous distribution of the temperature.
  • the heating sole In the case of electric irons, the heating sole is generally made of aluminum cast on an armored electrical resistance. The production of such soles is also complicated and expensive.
  • the electrical resistance is in contact with the soleplate in a generally U-shaped line, so that it does not allow good homogeneity of the temperature distribution to be obtained.
  • the object of the present invention is to remedy the drawbacks of known embodiments by creating a flat heating element which is easy to integrate into the heating article, which makes it possible to ensure a uniform distribution of the heating over the heating surface of the article and which is inexpensive to manufacture.
  • this electric resistance heating element in particular for a household article comprising a heating surface, comprises a heating resistance cut from a metal sheet and is characterized in that this sheet is coated in a substrate of electrically insulating material, resistant at the heating temperature and capable of adhering to the metal foil and to the material constituting the support of the heating surface of the arcle.
  • the resistor is cut from a metal sheet, makes it possible to obtain a high ohmic value per unit of area and above all to distribute the heating temperature uniformly over the entire surface of the resistor. Furthermore, such resistors cut from a metal sheet are inexpensive to produce.
  • this resistive sheet is coated in an insulating substrate adhering to this sheet and to the material constituting the support of the heating surface of the article, makes it possible to solve in a simple and effective manner, the problems of the insulation of the resistive sheet and the attachment of the heating element to the heating article.
  • the metal sheet is chosen from the following resistive metals: stainless steel, ferronickel alloy and nickel-chromium alloy.
  • the sheets produced in these alloys can have thicknesses between 0.08 and 0.015 mm, while having sufficient mechanical properties to withstand without damage the various manipulations necessary for the manufacture of the heating element.
  • the metal sheet is comprised between two layers of felt of ceramic material impregnated with a polymerizable resin under the action of heat, these two layers of felt being bonded together and adhering to the metal sheet, the resin being preferably chosen from polyimide, phenolic and silicone resins.
  • the metal sheet is between two layers based on alumina projected in the form of plasma.
  • the metal sheet is between two layers of enamel.
  • the bond between the resistive sheet and the support is obtained during the polymerization of the resin.
  • the two layers of ceramic felt provide excellent electrical insulation of the resistive sheet and give the heating element excellent heat resistance. After polymerization of the resin which impregnates the layers of felt, these become hard and resistant to mechanical shock. At the same time, the resin allows the heating element to adhere to a metal support.
  • the invention also applies to heating articles comprising a support to which a heating element according to the invention is fixed.
  • This support can be chosen from the following materials: aluminum, stainless steel, mild steel, ceramic, vitrocrystalline material and glass.
  • the heating element can be fixed to the support by means of a resin layer which may correspond to that which permeates the substrate, when the latter is for example based on ceramic fiber felt.
  • the heating element can also be fixed to the support by means of a plate applied with pressure against this heating element and fixed to said support.
  • the heating element is integrated into the support when it is made, for example by polymerization of the resin contained in the substrate.
  • the heating element comprises a resistor 1 cut from a metal sheet, comprised between two layers 2 based on felt of ceramic fibers loaded with polyimide resin.
  • This felt consists of ceramic fibers and mica flakes at a rate of 70 to 80% of the product, the resins acting as a binder when they are polymerized while the electrical insulation is mainly due to the above materials.
  • the metal sheet 1 is for example a sheet of stainless steel, of ferro-nickel alloy or of nickel-chromium alloy having a thickness of between 0.08 and 0.015 mm. This sheet 1 is cut so as to form therein (see FIG. 2) a ribbon of constant width which may include at certain points connecting straps intended to be cut selectively in order to vary the length of the resistance and thus obtain characteristics. different from the resistive circuit or allow the said characteristics to be adjusted on demand.
  • the metal sheet can also be cut as shown in Figure 3, so as to form a continuous resistive strip the sinuous contour.
  • the metal sheet 1 is preferably treated chemically or mechanically to improve the adhesion of the layers 2.
  • this adhesion is obtained by heating the assembly constituted by the sheet 1 sandwiched between the two layers 2, so as to polymerize the polyimide resin contained in these layers.
  • This polymerization has the effect of binding the two layers 2 together through the openings 3 made in the sheet 1 (see FIG. 4), and of binding these two layers 2 to this sheet 1.
  • the two layers 2 can for example be made of the material described in French patent No. 80 23 943 of November 5, 1980.
  • the outer face of this layer is covered by a metal sheet 4, for example aluminum which at the same time has a thermal or self-diffusing effect. radiant and mechanically protects layer 2.
  • the heating element obtained, as shown in FIG. 4, can be fixed on a metal support 5 made of aluminum, stainless steel, mild steel, ceramic or vitrocrystalline material or glass.
  • This fixing can be obtained by placing a layer of polyimide resin 6 between the support 5 and the heating element and by heating the assembly so as to polymerize this resin.
  • the hot plate obtained can constitute a cooking plate, the heating bottom of a culinary article, the soleplate of an iron, etc.
  • the assembly thus produced can withstand temperatures reaching and even exceeding 350 ° C., ensuring a perfectly uniform distribution of the temperature over the entire surface of the heating plate.
  • the resistive sheet 1 is placed between two layers, each comprising a layer 7 of polymerized samicanite (laminate of sheets of paper impregnated with phenolic resin loaded with mica flakes). Each layer 7 of samicanite is coated with a layer of phenolic resin 8, not polymerized. The resistive sheet 1 is placed between the two layers 8 of unpolymerized phenolic resin.
  • this resin After polymerization of the two layers 8 of phenolic resin, this resin completely coats the resistive sheet 1 and binds together the two layers 7 of samicanite through the openings cut in the resistive sheet 1, as indicated in FIG. 8.
  • a layer 9 of ceramic felt loaded with polyimide resin is inserted between them as indicated in FIG. 9.
  • the hot plate shown in Figure 10 withstands temperatures above 400 ° C while having a perfectly uniform distribution of temperature, which thus avoids any risk of localized hot spot.
  • the cut resistive sheet 1 is as in the embodiment according to Figure 1 placed between two layers 2 of ceramic felt impregnated with polyimide resin.
  • two composite layers are applied, each comprising a layer 7 of samicanite coated with a layer 8 of phenolic resin, the latter being adjacent to the layer of felt 2.
  • Another layer 10 of phenolic resin is applied between the layer 7 of samicanite adjacent to the support 5 and the latter.
  • the assembly is heated to polymerize the layers 8, 10 of phenolic resin and the polyimide resin contained in the felt layers 2.
  • the various layers of the heating element are thus joined together (see figure 12), at the same time as it is fixed to the support 5, while ensuring excellent thermal insulation between the cut resistive sheet 1 and the support 5.
  • the thickness of the heating element does not generally exceed 1 mm, so that the thickness of insulating material between the support 5 and the resistive sheet 1 practically does not affect the thermal transmission properties .
  • the layer 7 of samicanite disposed opposite the support 5 mechanically protects the resistive sheet 1 and avoids any risk of sticking of the assembly with the walls of the mold used to mold and heat treat this assembly.
  • the heating element is composed, as in the embodiment of FIG. 1, by two layers 2 of ceramic felt impregnated with polyimide resin applied on either side of the resistive sheet 1
  • This heating element instead of being glued to the support 5, is pressed against the latter by means of a counter plate 11, for example made of aluminum, the curved edge 11 a of which is fixed by means of a sealed weld 12 to support 5 (see figure 14).
  • the assembly is heated to polymerize the polyimide resin contained in the layers 2, so as to bond these simultaneously to the resistive sheet 1, to the support 5 and to the counter plate 11.
  • the support 5 can be the aluminum bottom of a cooking utensil.
  • the counter plate 11 fixed in a sealed manner to this bottom makes it possible to preserve the resistive sheet 1 from any contact with humidity.
  • the resistive sheet 1 is fixed and electrically insulated from the support 5 by enamel.
  • a layer 13 of a conventional enamel slip for aluminum is applied to the support 5, for example of aluminum, and this layer is then dried.
  • the cut resistive sheet 1 is placed on the layer 13 of enamel slip.
  • a second layer 14 of enamel slip is applied to the resistive sheet 1 which is then dried.
  • the two layers of enamel 13 and 14 are baked simultaneously. During this baking, the two layers of enamel 13 and 14 bond together through the openings in the sheet. resistive 1 by completely coating it and hanging on the support 5.
  • the support 5 can be the bottom of a cooking utensil.
  • the enamel layers 13, 14 effectively protect the resistive sheet 1 against impact, withstand heating at a temperature above 400 ° C and provide excellent thermal insulation.
  • connection between the resistive sheet 1 and the support 5 is also obtained by means of enamel.
  • the support 5 for example the stainless steel sheet of a bottom of a cooking utensil
  • a layer 15 of enamel slip for example the stainless steel sheet of a bottom of a cooking utensil
  • the surface of an aluminum counterplate 16 is covered by a layer 17 of enamel slip.
  • the support 5 is applied against the counterplate 16 so that the resistive sheet 1 is covered on both sides by the slip layers 15 and 17.
  • a third layer 18 of enamel slip is also applied to the face of the counterplate 16 opposite the support 5.
  • a heating base comprising a resistive sheet 1 sandwiched between the two metal plates 5, 16 one of which is covered by an enamel layer 18.
  • the two enamel layers 15, 17 provide an excellent connection between the two plates 5 and 16, perfectly insulate the resistive sheet 1 and provide an excellent seal for the latter.
  • these enamel layers allow the heating base to withstand temperatures exceeding 400 ° C.
  • the support 5 is the bottom of stainless steel sheet of a cooking utensil. Against this support 5, is fixed by a brazing layer 19, a first aluminum plate 20. against the latter, is fixed by means of a second brazing layer 21, a second aluminum plate 22. This second plate 22 is stamped so as to form between it and the first plate 20, a recess 23 adapted to receive the cut resistor 1 a shown in FIG. 3. This resistor 1a is placed between two layers 24, 25 of insulating and refractory cement.
  • the stampings formed on the plate 22 are crushed towards the first plate 20 (see right part of FIG. 23), so as to ensure the cohesion of the cement.
  • the refractory cement can be replaced by a paste based on powder of refractory and insulating material such as alumina or magnesia. To obtain a connection between the powders, they can be heated so as to make them sinter.
  • the resistive sheet 1 is sandwiched between two layers 26 of ceramic fiber felt. These two layers of felt 26 are impregnated on their faces adjacent to the resistive sheet with a silicone resin 27.
  • One of these layers of felt 26 is impregnated on its face adjacent to the support 5 with a second layer of silicone resin 28.
  • the layers 27, 28 of silicone resin polymerize by simultaneously ensuring the connection between the two layers of ceramic fiber 26 through the openings of the resistive sheet 1 and the connection of these two layers 26 of ceramic fiber with the support 5.
  • the resistive sheet 1 is linked to the support 5 by means of alumina sprayed in the form of plasma.
  • a first layer of alumina 29 is projected in the form of plasma.
  • the resistive sheet 1 is deposited on the alumina layer 29.
  • the resistive sheet 1 is covered with a second layer of alumina 30 which adheres the first layer 29 through the openings in the resistive sheet 1.
  • thermosetting resin 31 which protects it against mechanical shock.
  • a part 32 of the thickness of the bottom of the container is molded, then the resistive sheet 1 is placed on it.
  • the rest 33 of the container is molded on the first part 32.
  • FIG. 31 an iron soleplate 34 has been shown on which a heating element 35 according to the invention is applied, for example of the kind of that shown in FIGS. 4 or 8.
  • the sole 34 is produced by a simple sheet of chromed steel.
  • a counter plate 36 is applied which is pressed on the heating element 35, by a crimping 37 carried out along the edge of the soleplate 34. An excellent thermal contact is thus obtained between the heating element 35 and sole 34.
  • the heating element 35 extends over practically the entire inner surface of the sole 34, the whole of the latter is heated in a uniform manner.
  • such an embodiment of the sole 34 is very simple and economical. It also has the advantage over conventional thick soles of being much lighter than the latter.
  • the invention can be applied to heating supports made of a material other than metal, such as ceramic, glass or vitro-crystalline materials used for the top of cookers.
  • the heating element can also be applied to perforated flat supports in the form of a frame, for heating with an air flow.
  • the support can be made of insulating material or composite and reinforced material (insulating on a steel element for example).
  • the heating element can also be applied to solid and perforated supports of three-dimensional shape, for example for heating a hollow container through the bottom and the side wall or heating with an air flow, as in the hair dryer case.
  • the substrate in which the cut resistor is coated can be produced by a layer of paint or varnish supporting a temperature between 100 and 200 ° C.
  • This substrate can also be made of a thermoplastic or thermosetting material itself constituting the wall of the heating article.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
  • Laminated Bodies (AREA)
EP86400774A 1985-04-19 1986-04-11 Flaches Heizelement mit elektrischem Widerstand und mit einem derartigen Element ausgerüsteter Heizartikel Expired - Lifetime EP0202969B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86400774T ATE57811T1 (de) 1985-04-19 1986-04-11 Flaches heizelement mit elektrischem widerstand und mit einem derartigen element ausgeruesteter heizartikel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8505963 1985-04-19
FR8505963A FR2580887B1 (fr) 1985-04-19 1985-04-19 Element chauffant plat a resistance electrique et article chauffant comprenant un tel element

Publications (2)

Publication Number Publication Date
EP0202969A1 true EP0202969A1 (de) 1986-11-26
EP0202969B1 EP0202969B1 (de) 1990-10-24

Family

ID=9318429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86400774A Expired - Lifetime EP0202969B1 (de) 1985-04-19 1986-04-11 Flaches Heizelement mit elektrischem Widerstand und mit einem derartigen Element ausgerüsteter Heizartikel

Country Status (8)

Country Link
US (1) US4860434A (de)
EP (1) EP0202969B1 (de)
JP (1) JPS61292876A (de)
AT (1) ATE57811T1 (de)
CA (1) CA1271215A (de)
DE (1) DE3675072D1 (de)
ES (1) ES8800563A1 (de)
FR (1) FR2580887B1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988004874A1 (fr) * 1986-12-19 1988-06-30 Compagnie Royale Asturienne Des Mines, Societe Ano Elements plats de chauffage electrique
BE1000397A4 (fr) * 1987-03-20 1988-11-22 Asturienne Mines Comp Royale Elements plats de chauffage electrique.
EP0331565A1 (de) * 1988-03-02 1989-09-06 Seb S.A. Flaches Bestandteil mit elektrischem Widerstandsheizelement und sein Herstellungsverfahren
FR2641930A1 (fr) * 1989-01-13 1990-07-20 Vulcanic Dispositif de chauffage electrique a haute temperature
EP0380896A1 (de) * 1989-01-04 1990-08-08 Seb S.A. Bügeleisensohle, hergestellt aus aneinander hartgelöteten Metallblechen
DE3911761A1 (de) * 1989-04-11 1990-10-18 Ako Werke Gmbh & Co Strahlungsheizeinrichtung
DE4137251A1 (de) * 1991-11-13 1993-05-19 Ego Elektro Blanc & Fischer Strahlungs-heizleiter, insbesondere eines elektrischen strahlungsheizkoerpers
DE4137250A1 (de) * 1991-11-13 1993-05-19 Ego Elektro Blanc & Fischer Strahlungs-heizleiter, insbesondere eines elektrischen strahlungsheitzkoerpers
FR2686761A1 (fr) * 1992-01-24 1993-07-30 Seb Sa Element chauffant a structure sandwich et appareil electromenager du type fer a repasser a vapeur comportant un tel element.
AU709558B3 (en) * 1998-09-25 1999-09-02 Ozline Group Pty. Limited Heating apparatus

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63160694U (de) * 1987-04-09 1988-10-20
DE3722617C1 (de) * 1987-07-09 1988-10-06 Bauknecht Hausgeraete Elektrisch beheizbare Backauflage
MY103847A (en) * 1988-03-15 1993-09-30 Yamaichi Electric Mfg Laminated board for testing electronic components
JP2816339B2 (ja) * 1989-12-29 1998-10-27 東京エレクトロン株式会社 加熱装置
JPH05217121A (ja) * 1991-11-22 1993-08-27 Internatl Business Mach Corp <Ibm> 磁気変換器付きチップ等の感熱素子を結合する方法及び装置
US5444228A (en) * 1992-05-27 1995-08-22 Seb S.A. Flat, flexible heating element with integrated connector
US5477033A (en) * 1993-10-19 1995-12-19 Ken-Bar Inc. Encapsulated water impervious electrical heating pad
US5835679A (en) 1994-12-29 1998-11-10 Energy Converters, Inc. Polymeric immersion heating element with skeletal support and optional heat transfer fins
US6233398B1 (en) * 1994-12-29 2001-05-15 Watlow Polymer Technologies Heating element suitable for preconditioning print media
FR2731237B1 (fr) * 1995-03-02 1997-04-30 Seb Sa Structure chauffante, notamment pour appareil electromenager realise selon une structure sandwich et appareil electromenager comportant une telle structure chauffante
ES2112149B1 (es) * 1995-03-13 1998-11-16 Megatom S L Placa calorifica para aparatos de produccion de calor.
GB9619579D0 (en) * 1996-09-19 1996-10-30 Deveney John Seaming iron
ES2127129B1 (es) * 1997-03-17 2000-01-01 Ubera Luis Antonio Azcoaga Procedimiento de fabricacion de resistencias de calentamiento impresas por serigrafiado.
WO1998051127A1 (en) 1997-05-06 1998-11-12 Thermoceramix, L.L.C. Deposited resistive coatings
US5973298A (en) * 1998-04-27 1999-10-26 White Consolidated Industries, Inc. Circular film heater and porcelain enamel cooktop
US6263158B1 (en) 1999-05-11 2001-07-17 Watlow Polymer Technologies Fibrous supported polymer encapsulated electrical component
US6188051B1 (en) 1999-06-01 2001-02-13 Watlow Polymer Technologies Method of manufacturing a sheathed electrical heater assembly
US6392208B1 (en) 1999-08-06 2002-05-21 Watlow Polymer Technologies Electrofusing of thermoplastic heating elements and elements made thereby
US6222166B1 (en) * 1999-08-09 2001-04-24 Watlow Electric Manufacturing Co. Aluminum substrate thick film heater
US6225608B1 (en) 1999-11-30 2001-05-01 White Consolidated Industries, Inc. Circular film heater
US6184500B1 (en) 2000-03-10 2001-02-06 Homedics, Inc. Paraffin bath
US6433317B1 (en) 2000-04-07 2002-08-13 Watlow Polymer Technologies Molded assembly with heating element captured therein
US6392206B1 (en) 2000-04-07 2002-05-21 Waltow Polymer Technologies Modular heat exchanger
US6519835B1 (en) 2000-08-18 2003-02-18 Watlow Polymer Technologies Method of formable thermoplastic laminate heated element assembly
EP1346607B1 (de) 2000-11-29 2012-07-25 Thermoceramix, LLC Widerstandsheizelemente und verwendungen dafür
US6539171B2 (en) 2001-01-08 2003-03-25 Watlow Polymer Technologies Flexible spirally shaped heating element
JP3980386B2 (ja) * 2002-03-18 2007-09-26 富士通株式会社 重ね合わせ部品の加熱方法および加熱装置
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GB1085784A (en) * 1964-03-17 1967-10-04 Technograph Printed Circuits L Electrical resistance heating devices for electric irons
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FR2305088A2 (fr) * 1975-03-19 1976-10-15 Privas Yves Element chauffant par radiation
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Cited By (15)

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WO1988004874A1 (fr) * 1986-12-19 1988-06-30 Compagnie Royale Asturienne Des Mines, Societe Ano Elements plats de chauffage electrique
EP0276644A1 (de) * 1986-12-19 1988-08-03 COMPAGNIE ROYALE ASTURIENNE DES MINES, Société Anonyme Flaches elektrisches Heizelement
BE1000397A4 (fr) * 1987-03-20 1988-11-22 Asturienne Mines Comp Royale Elements plats de chauffage electrique.
EP0331565A1 (de) * 1988-03-02 1989-09-06 Seb S.A. Flaches Bestandteil mit elektrischem Widerstandsheizelement und sein Herstellungsverfahren
FR2628283A1 (fr) * 1988-03-02 1989-09-08 Seb Sa Composant chauffant plat a element chauffant electriquement resistant et son procede de fabrication
WO1989008372A1 (fr) * 1988-03-02 1989-09-08 Seb S.A. Composant chauffant plat a element chauffant electriquement resistant et son procede de fabrication
US4995177A (en) * 1989-01-04 1991-02-26 Seb S.A. Laundry-iron sole-plate formed by assembling together a plurality of metal sheets brazed to each other
EP0380896A1 (de) * 1989-01-04 1990-08-08 Seb S.A. Bügeleisensohle, hergestellt aus aneinander hartgelöteten Metallblechen
FR2641930A1 (fr) * 1989-01-13 1990-07-20 Vulcanic Dispositif de chauffage electrique a haute temperature
DE3911761A1 (de) * 1989-04-11 1990-10-18 Ako Werke Gmbh & Co Strahlungsheizeinrichtung
DE4137251A1 (de) * 1991-11-13 1993-05-19 Ego Elektro Blanc & Fischer Strahlungs-heizleiter, insbesondere eines elektrischen strahlungsheizkoerpers
DE4137250A1 (de) * 1991-11-13 1993-05-19 Ego Elektro Blanc & Fischer Strahlungs-heizleiter, insbesondere eines elektrischen strahlungsheitzkoerpers
FR2686761A1 (fr) * 1992-01-24 1993-07-30 Seb Sa Element chauffant a structure sandwich et appareil electromenager du type fer a repasser a vapeur comportant un tel element.
EP0555159A1 (de) * 1992-01-24 1993-08-11 Seb S.A. Heizelement mit Sandwichbauweise und Haushaltgerät wie ein Dampfbügeleisen mit einem solchen Element
AU709558B3 (en) * 1998-09-25 1999-09-02 Ozline Group Pty. Limited Heating apparatus

Also Published As

Publication number Publication date
CA1271215A (en) 1990-07-03
ES554137A0 (es) 1987-11-01
FR2580887B1 (fr) 1989-04-14
DE3675072D1 (de) 1990-11-29
FR2580887A1 (fr) 1986-10-24
US4860434A (en) 1989-08-29
ES8800563A1 (es) 1987-11-01
EP0202969B1 (de) 1990-10-24
ATE57811T1 (de) 1990-11-15
JPS61292876A (ja) 1986-12-23

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