EP1973441B1 - Élément de chauffage résistif pour un appareil de coiffure et appareil de coiffure ainsi équipé - Google Patents

Élément de chauffage résistif pour un appareil de coiffure et appareil de coiffure ainsi équipé Download PDF

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Publication number
EP1973441B1
EP1973441B1 EP07703966A EP07703966A EP1973441B1 EP 1973441 B1 EP1973441 B1 EP 1973441B1 EP 07703966 A EP07703966 A EP 07703966A EP 07703966 A EP07703966 A EP 07703966A EP 1973441 B1 EP1973441 B1 EP 1973441B1
Authority
EP
European Patent Office
Prior art keywords
resistance heating
heating element
hair
support body
tool
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.)
Not-in-force
Application number
EP07703966A
Other languages
German (de)
English (en)
Other versions
EP1973441A1 (fr
Inventor
Klaus Hafemann
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.)
WIK Far East Ltd
Original Assignee
WIK Far East Ltd
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Filing date
Publication date
Application filed by WIK Far East Ltd filed Critical WIK Far East Ltd
Publication of EP1973441A1 publication Critical patent/EP1973441A1/fr
Application granted granted Critical
Publication of EP1973441B1 publication Critical patent/EP1973441B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
    • A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D6/00—Details of, or accessories for, hair-curling or hair-waving devices
    • A45D6/20—Devices for controlling the temperature of hair curlers

Definitions

  • the invention relates to a resistance heating element for a hair styling device with a resistance heating wire arrangement held by a support body, comprising at least one heating wire, and a layer that covers the at least one heating wire, this electrically insulating layer.
  • Hair styling devices such as crimpers or curling irons, have hair styling tools to which hair may be formed. With a crimper, these are the hair styling plates arranged on one arm each. In a curling iron is used as a hair-styling tool, the heated rod around which the hair is wound to form a curl. Heat is needed to form the hair. For this reason, the hair styling tools of such hair styling devices are heated.
  • crimpers or curling irons have hair styling tools to which hair may be formed.
  • these hair styling plates arranged on one arm each.
  • the heated rod around which the hair is wound to form a curl Heat is needed to form the hair.
  • the hair styling tools of such hair styling devices are heated.
  • one or more resistance heating elements are integrated into the respective hair styling tool. These resistance heating elements may be so-called PTC heating elements or those in which the required heat is generated by a lovedsflowerdraht.
  • PTC heating elements are so-called flat heating elements, which are arranged in an aluminum jacket.
  • the aluminum jacket surrounding the actual heating element serves to distribute the heat across the required surface and transport the heat away from the heating element to the inside of the hair styling tool.
  • Resistance heating elements with a heating wire are used in a similar manner as described above for the PTC heating element.
  • a heating cartridge or tubular heater such heating elements are typically integrated in an aluminum jacket to distribute the heat generated and transported to the inside of the heated surfaces or the hair-styling tool.
  • Hair styling devices equipped with such resistance heating elements require a certain time until the heat generated by the heating element is applied to the surface of the hair styling tool to be heated has been transferred or passed. This is due to the aluminum sheath, which is necessary, however, for transferring the heat of the heating element to the hair-styling tool, and must be miter stiirmt for this purpose. As a result of the mass heated after reaching the operating temperature, the hair styling tool cools down relatively slowly after switching off the resistance heating element. As a heat-transporting and heat-distributing jacket such is used made of aluminum, not only because of the good heat-conducting properties, but also because of the relatively low specific gravity of aluminum. Finally, the hair styling tool and thus the entire hair styling device should be as light as possible.
  • a hairdressing bar with an electric heater is known.
  • a foil heating element is provided.
  • the resistance heating foil is disposed in direct contact with the inside of the tube of the styling bar described in this document.
  • To fix the film heater is a slotted tubular spring element.
  • the outside of the film heating is biased on the inside of the tube of the styling bar.
  • the film heater itself is a planar, flexible component which is to be applied by means of a mounting to the inside of the tube of the styling bar before the desired surface pressure is applied by means of the spring element. Therefore, the assembly of such a resistance heating foil at least, if this is to be used in a serving as a hair-shaping tube, to perform with particular care.
  • the present invention seeks to further develop such a resistance heating element that in a device, in particular a hair styling device, in which one or more of these resistance heating elements are integrated, not only a faster reaction time with respect to heating and given a cooling but in principle is easy to assemble.
  • This resistance heating element essentially has only the material electrically insulating the heating wires. Therefore, the supporting body carrying the resistance heating wire is formed of such a material. Expediently, this material is a mineral-based material, wherein mica is preferably used as the base material. A metal cladding does not generally have this resistance heating element. It can be provided that the outside of the heating wire-covering electrically insulating layer, which typically also consists of such an aforementioned material, is additionally covered by one or more polyimide film layers, if improved electrical insulation between the KaysSchdraht and the hair styling tool to be heated of the action device is necessary. A polyimide layer may be provided in the form of a thin coating or as a film coating.
  • this resistance heating element forms the tool to be heated itself, for example, the hair styling tool. If this is a curling iron, the resistance heating element is integrated into the tubular curling iron and with its outer side directly adjacent to the inside of the curling iron. Both elements - resistance heating element and curling iron - can be connected to each other, for example by gluing. Thus, this resistance heating element is ultimately carried by the tool to be heated.
  • the arrangement of the resistance heating element and in particular the lovedsSelles in close proximity to the surface to be heated hair styling tool has the advantage that the heat is generated where it is actually needed and therefore basically heat-distributing and heat-transporting moldings are not needed. This results in a very rapid reaction time, with the desired heat already being available on the hair styling tool almost immediately after the resistance heating element has been switched on.
  • the low heated mass which is essentially only the mass formed by the heated surface of the hair styling tool, also cools the tool more rapidly.
  • the faster reaction time of the hair styling tool with respect to its heating and cooling not only brings advantages in handling the hair styling device, but also in terms of energy consumption.
  • the support body for supporting the at least one heating wire of the lovedsSchdrahtan Aunt is dimensionally stable, in contrast to a film.
  • the support body may have different shapes, for example, be designed as a cylinder tube piece.
  • This has the advantage that the support body or the resistance heating element can simultaneously be carriers for other components, which are then arranged in a defined arrangement to the support body and in particular its horrsSchdrahtan Aunt.
  • This concerns for example, arranging a thermal fuse, which remains due to the dimensionally stable properties of the support body in the same arrangement to a temperature detection, even after the resistance heating element is used on a tool, for example in the tube of a curling iron.
  • the heating wire can be arranged on the support body in different ways.
  • the support body is a ring body, for example a ring cylinder section, the heating wire will be wound around the cylindrical support body.
  • the formation of the support body as a hollow body further has to Advantage that the required connections for the heating wire and possibly other elements, such as a thermal fuse and / or a sensor element, can be arranged on the inside. Due to the internal contacts, the entire outside of the resistance heating element can be used as a heating surface.
  • a resistance heating element 1 comprises a support body 2, on which a resistance heating wire 3 is wound in several turns.
  • the resistance heating wire 3 wound around the support body 2 in a plurality of turns represents the resistance heating wire arrangement in the exemplary embodiment shown.
  • the heating wire 3 is covered on the outside by a heat-distributing, electrically insulating layer 4 in the manner of a jacket.
  • the turns of the heating wire 3 on the support body 2 can be seen through the elevations in the layer 4 therethrough.
  • the support body 2 and the outer layer forming layer 4 is a mica-based material, as known for example under the name micanite.
  • the support body 2 consists in the illustrated embodiment of a thin micanite plate in the in FIG. 1 recognizable annular cylindrical shape has been brought before the heating wire 3 has been wound on the outside of the support body 2.
  • the support body 2 thus has a dimensional stability corresponding to the requirements.
  • the necessary for contacting the heating wire 3 connections are located within the support body 2.
  • the two Ends of the lovedsSSdrahtes 3 out through an opening in the interior of the support body 2.
  • the reference numeral 5 is one of the two openings in FIG. 1 characterized by which one end of the resistance heating wire 3 is passed through the support body 2.
  • the temperature sensor 6 On the outside of the resistance heating element 1 is a known temperature sensor 6.
  • the two connecting legs 7, 7 'of the temperature sensor 6 pass through the layer 4 and the support body 2 and are also guided in the interior of the support body 2.
  • the temperature sensor 6 located directly on the outside of the resistance heating element 1, the temperature sensor 6, which then abuts when using the resistance heating element 1 in a tubular object to be heated, such as a curling iron on the inside of the tool to be heated. It is therefore not necessary in the resistance heating element 1 to provide a temperature sensor as its own objective unit and independently of the heating element 1 and to connect electrically. Due to the intended immediate arrangement of the outside of the resistance heating element 1 on the inside of the tool to be heated, the resistance heating element itself can serve as a support for the temperature sensor 6.
  • the contact legs 7, 7 'of the temperature sensor 6 are connected to electrical plug contacts 8, 8'.
  • a holder 10 is further riveted for a known thermal fuse 11.
  • the thermal fuse 11 serves as overheating protection. This is enclosed in a glass silicone sleeve 12th
  • the arrangement of the relative to the support body 2 internal electrical contacting of the heating wire 3 is in FIG. 2 recognizable.
  • the resistance heating element 1 is inserted in a tube 13 of a curling or styling bar, otherwise not shown, wherein in FIG. 2 only a portion of the tube to be heated 13 of the curling iron shown is.
  • three layers of a polyimide film are additionally applied to the outside of the resistance heating element 1. This is dimensioned slightly longer in its longitudinal extent than the length of the support body. 2
  • FIG. 3 shown enlarged section of the FIG. 2 shows the arrangement provided in the immediate vicinity of the inner circumferential surface 14 of the tube 13 of the heating wire 3.
  • the support body 2 and serving as an outer sheath layer 4 are, since they are material identical, as a contiguous body in FIG. 3 played. Thus, it is also in the sheath forming layer 4 is a micanite molding.
  • the micanite molding enhances the dimensional stability of the resistance heating element 1.
  • Dashed lines in this figure the separation surface between the support body 2 and the layer 4 is shown.
  • the heating wires 3 have been wound on the original outer side of the support body 2 and embedded electrically insulated due to the sheath through the layer 4 in this body forming the support body 2 and layer 4. The wound around the support body 2 heating wire 3 is pressed into the support body 2 and in the outer shell forming layer 4.
  • the resistance heating wire 3 is spaced apart in the illustrated embodiment, solely by the layer 4 forming the outer jacket of the resistance heating element and the layers of the polyimide films 15 from the inner circumferential surface 14 of the tube 13 to be heated. This means that the path to be covered by the heat generated by the heating wire 3 to the outer surface 16 of the tube 13, is applied to the shaping of hair to be formed hair, to a necessary minimum.
  • This illustration further clarifies that essentially only the tube 13 serving as a hair-shaping tool has to be heated by the heating wire 3 so that the desired heat for making the hair-shaping process is available on its outer circumferential surface 16.
  • the tube 13 thus serves not only as an outer rigid support body for the resistance heating element 1, but also a further heat distribution.
  • the resistance heating element 1 need not extend over the entire length of the tube 13 of the curling iron. Due to the annular cylindrical structure of the resistance heating element 1, this lies with its outer side circumferentially on the inside of the tube 13, so that the tube 13 has on the outside a seen over the circumference same heat distribution.

Landscapes

  • Resistance Heating (AREA)
  • Hair Curling (AREA)

Abstract

L’élément de chauffage résistif 1 pour un appareil de coiffure selon l’invention comporte un dispositif de fils chauffants résistif maintenu par un support 2 ainsi qu'une couche recouvrant le fil chauffant et l'isolant électriquement. Le dispositif de fils chauffants résistif est constitué d’au moins un fil chauffant 3. Le support 2 seul est fabriqué avec un corps creux en matériau électriquement isolant résistant à la chaleur et le côté extérieur de l'élément de chauffage résistif 1 avec la couche recouvrant le fil chauffant 3.

Claims (9)

  1. Élément de chauffage résistif pour un appareil de coiffure comportant un dispositif à fil chauffant résistif supporté par un élément porteur (2) avec au moins un fil chauffant (3) et une couche recouvrant cet au moins un fil chauffant (3) en l'isolant électriquement, l'élément porteur (2) étant conformé par un corps creux constitué en matériau thermorésistant et électriquement isolant et la face extérieure de l'élément de chauffage résistif (1) étant conformé par une couche (4) recouvrant le fil chauffant (3), caractérisé en ce qu'il est disposé sur la face extérieure de l'élément de chauffage résistif (1) un capteur thermique (6) avec des contacts (8, 8') électriques situés à l'intérieur par rapport à l'élément porteur (2).
  2. Élément de chauffage résistif selon la revendication 1 caractérisé en ce que l'élément porteur (2) est un corps annulaire, notamment un cylindre annulaire.
  3. Élément de chauffage résistif selon la revendication 1 ou 2 caractérisé en ce que le matériau thermorésistant et électriquement isolant de l'élément porteur (2) ainsi que du revêtement du fil chauffant (4) est un matériau à base minérale.
  4. Élément de chauffage résistif selon l'une des revendications 1 à 3 caractérisé en ce que les contacts électriques destinés à établir le contact avec le fil chauffant (3) sont disposés à l'intérieur par rapport à l'élément porteur (2).
  5. Élément de chauffage résistif selon l'une des revendications 1 à 4 caractérisé en ce qu'il est affecté à l'élément de chauffage résistif (1) une thermo-sécurité (11) qui est disposée à l'intérieur par rapport à l'élément porteur (2).
  6. Élément de chauffage résistif selon l'une des revendications 1 à 5 caractérisé en ce que l'élément de chauffage résistif (1) est disposé avec sa face extérieure, en interconnectant au moins une couche de film (15) faisant office d'isolation électrique en contact quasi direct avec un outil de forme tubulaire à réchauffer, notamment un outil (13) de mise en forme des cheveux.
  7. Élément de chauffage résistif selon la revendication 6 caractérisé en ce que plusieurs couches d'un film polyamide (15) sont disposées entre la face extérieure de l'élément de chauffage résistif (1) et la surface à réchauffer de l'outil, afin d'isoler électriquement l'élément de chauffage résistif (1) par rapport à l'outil à réchauffer.
  8. Appareil de coiffure équipé d'un outil (13) chauffé de mise en forme des cheveux caractérisé en ce que l'outil de mise en forme des cheveux (13) comprend un tube (13), sur le revêtement (16) extérieur duquel a lieu un processus de mise en forme des cheveux, dans lequel tube (13) sont disposés un ou plusieurs éléments de chauffage résistifs (1) selon l'une des revendications 1 à 7.
  9. Appareil de coiffure selon la revendication 8 caractérisé en ce que l'appareil de coiffure est un fer à boucler.
EP07703966A 2006-01-18 2007-01-18 Élément de chauffage résistif pour un appareil de coiffure et appareil de coiffure ainsi équipé Not-in-force EP1973441B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006000670U DE202006000670U1 (de) 2006-01-18 2006-01-18 Widerstandsheizelement für ein Haarformgerät sowie damit ausgerüstetes Haarformgerät
PCT/EP2007/050469 WO2007082903A1 (fr) 2006-01-18 2007-01-18 Élément de chauffage résistif pour un appareil de coiffure et appareil de coiffure ainsi équipé

Publications (2)

Publication Number Publication Date
EP1973441A1 EP1973441A1 (fr) 2008-10-01
EP1973441B1 true EP1973441B1 (fr) 2011-04-13

Family

ID=37951931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07703966A Not-in-force EP1973441B1 (fr) 2006-01-18 2007-01-18 Élément de chauffage résistif pour un appareil de coiffure et appareil de coiffure ainsi équipé

Country Status (5)

Country Link
US (1) US20100237057A1 (fr)
EP (1) EP1973441B1 (fr)
DE (2) DE202006000670U1 (fr)
ES (1) ES2364710T3 (fr)
WO (1) WO2007082903A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015133993A1 (fr) * 2014-03-03 2015-09-11 Empire Technology Development Llc Dispositif de mesure de l'humidité des cheveux, et procédés de fabrication et d'utilisation dudit dispositif
GB2562075B (en) * 2017-05-03 2022-03-16 Jemella Ltd Barrel for hair styling appliance
CN207285530U (zh) * 2017-08-28 2018-05-01 冠壹產品設計公司 一种迷你型卷发器

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH105431A (de) * 1922-11-29 1924-06-16 Zaugg Hermann Elektrischer Tauchsieder.
US1674488A (en) * 1922-12-20 1928-06-19 Gen Electric Electric heating unit
US1553342A (en) * 1923-05-19 1925-09-15 Westinghouse Electric & Mfg Co Heating element
AT142633B (de) * 1932-12-03 1935-08-26 Raimund Haas Elektrischer Ofen für Raumbeheizung.
NL7002052A (fr) * 1970-02-13 1971-08-17
DE2138709C3 (de) * 1971-08-03 1981-02-19 Fa. Fritz Eichenauer, 6744 Kandel Heizkörper für gebläsebetriebene Heizgeräte
US4029110A (en) * 1975-06-20 1977-06-14 The Gillette Company Hair styling implement
DE2603280A1 (de) * 1976-01-29 1977-08-11 Braun Ag Heizungsregelung
JPS5541646A (en) * 1978-09-18 1980-03-24 Shinetsu Polymer Co Hollow tubular heater
US4484061A (en) * 1982-05-13 1984-11-20 Sys-Tec, Inc. Temperature control system for liquid chromatographic columns employing a thin film heater/sensor
GB2167953A (en) * 1984-12-06 1986-06-11 Windmere Corp Hair curling implement
US4697066A (en) * 1985-09-30 1987-09-29 Glucksman Dov Z Electric hair curling waved with improved heating element arrangement
US4857702A (en) * 1987-12-01 1989-08-15 Giovanni Management Canada Ltd. Battery powered electrical curling iron with detachable wand and self-contained battery charger
US5354967A (en) * 1992-11-13 1994-10-11 Helen Of Troy Corporation Hair styling appliance heater and control
US5808275A (en) * 1995-02-01 1998-09-15 Dalal Kana Fani Hibri Hair shaping apparatus with electrically heated rollers
US6118934A (en) * 1997-11-14 2000-09-12 Tseng; Chuan-Tseng Safety protection structure for aquarium heater
US6310322B1 (en) * 2000-05-05 2001-10-30 Raymond Industrial Limited Heated roller and heated roller assembly
CN2933108Y (zh) * 2005-11-25 2007-08-15 壁基国际有限公司 电热卷发器
US20100065544A1 (en) * 2008-09-12 2010-03-18 High Sun Industrial (H.K.) Ltd. Hair roller heater

Also Published As

Publication number Publication date
DE202006000670U1 (de) 2007-05-31
DE502007006938D1 (de) 2011-05-26
WO2007082903A1 (fr) 2007-07-26
ES2364710T3 (es) 2011-09-12
US20100237057A1 (en) 2010-09-23
EP1973441A1 (fr) 2008-10-01

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