EP0379670A2 - Curling iron with retractable bristles or teeth - Google Patents

Curling iron with retractable bristles or teeth Download PDF

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Publication number
EP0379670A2
EP0379670A2 EP89121647A EP89121647A EP0379670A2 EP 0379670 A2 EP0379670 A2 EP 0379670A2 EP 89121647 A EP89121647 A EP 89121647A EP 89121647 A EP89121647 A EP 89121647A EP 0379670 A2 EP0379670 A2 EP 0379670A2
Authority
EP
European Patent Office
Prior art keywords
curling iron
temperature
bristles
iron according
dependent element
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
EP89121647A
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German (de)
French (fr)
Other versions
EP0379670A3 (en
EP0379670B1 (en
Inventor
Frank Seja
Rupert Dr. Zang
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.)
Procter and Gamble Deutschland GmbH
Original Assignee
Wella GmbH
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Filing date
Publication date
Application filed by Wella GmbH filed Critical Wella GmbH
Priority to AT89121647T priority Critical patent/ATE100680T1/en
Publication of EP0379670A2 publication Critical patent/EP0379670A2/en
Publication of EP0379670A3 publication Critical patent/EP0379670A3/en
Application granted granted Critical
Publication of EP0379670B1 publication Critical patent/EP0379670B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A45D1/18—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with combs
    • 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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
    • A45D20/50—Hair-drying combs or hair-drying brushes, with internal heating means and provision for an air stream

Landscapes

  • Hair Curling (AREA)
  • Brushes (AREA)
  • Pens And Brushes (AREA)
  • Air-Flow Control Members (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Soil Working Implements (AREA)

Abstract

In a hair curling rod having retractable bristles passing through apertures in a cylindrical body for winding up the hair and a device for directing a stream of heated air through the outlet apertures, the bristles or prongs are retractable independency on the temperature of the heated air stream. Preferably, the bristles are secured at one thereof to a movable support controlled by a temperature dependent element of a shape-memory alloy situated in the stream of heated air to expand or contract in response to predetermined temperatures.

Description

Die Erfindung betrifft einen Lockenstab mit einzieh­baren Borsten oder Zinken, bei welchem ein erwärmter Luftstrom durch Austrittsöffnungen in einem zylindri­schen Wickelkörper führbar ist.The invention relates to a curling iron with retractable bristles or tines, in which a heated air flow can be guided through outlet openings in a cylindrical winding body.

Bei bekannten Lockenstäben mit Lufttrocknung - soge­nannten Air-Curl-Geräten -, sind einziehbare Borsten oder Zinken bekannt, damit die Locke im umgeformten Zustand vom Wickelkörper entfernt werden kann und dann in der Umgebungsluft konditioniert. Das Einzie­hen der Borsten oder Zinken erfolgt über Bedienele­mente, die entweder im Handgriff oder an der Spitze des Wickelkörpers angebracht sind, was zusätzliche Handgriffe bzw. die Aufmerksamkeit des Friseurs er­fordert.In known curling irons with air drying - so-called air curl devices - retractable bristles or tines are known so that the curl can be removed from the winding body in the deformed state and then conditioned in the ambient air. The bristles or tines are retracted using control elements that are attached either in the handle or at the tip of the winding body, which requires additional handles or the hairdresser's attention.

Aufgabe der vorliegenden Erfindung ist es, einen Lockenstab vorzuschlagen, bei welchem die Borsten oder Zinken automatisch eingezogen werden.The object of the present invention is to propose a curling iron in which the bristles or tines are automatically drawn in.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Borsten oder Zinken in Abhängigkeit von der Temperatur des Luftstroms einziehbar sind. Dabei ist vorzugsweise im Luftstrom ein temperaturabhängiges Element aus einer Formgedächtnis-Legierung vorge­sehen.This object is achieved in that the bristles or tines are retractable depending on the temperature of the air stream. A temperature-dependent element made of a shape memory alloy is preferably provided in the air flow.

Die Erfindung hat den Vorteil, daß die Borsten oder Zinken ohne einen Bedienvorgang eingezogen werden, wenn Haare auf dem Wickelkörper aufgewickelt sind. Der Erfindung liegt die Erkenntnis zugrunde, daß durch das Aufwickeln der Haare der Strömungswider­stand im Bereich der Austrittsöffnungen größer wird. Dadurch verringert sich der Luftstrom, was wiederum bei vorgegebener Heizleistung zu einer Temperatur­erhöhung führt. Erreicht dabei die Lufttemperatur einen vorgegebenen Wert, so werden die Borsten oder Zinken eingezogen, so daß die Locke, ohne abge­wickelt zu werden, vom Wickelkörper abgestreift werden kann.The invention has the advantage that the bristles or tines are retracted without an operation when hair is wound on the winding body. The invention is based on the finding that the flow resistance in the region of the outlet openings increases as a result of the hair being wound up. This reduces the air flow, which in turn leads to an increase in temperature for a given heating output. When the air temperature reaches a predetermined value, the bristles or prongs are drawn in so that the curl can be stripped off the winding body without being unwound.

Durch die in den Unteransprüchen aufgeführten Maßnah­men sind vorteilhafte Weiterbildungen und Verbesse­rungen der im Hauptanspruch angegebenen Erfindung möglich.Advantageous further developments and improvements of the invention specified in the main claim are possible through the measures listed in the subclaims.

Ausführungsbeispiele der Erfindung sind in der Zeich­nung anhand mehrerer Figuren dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigt:

  • Fig. 1 einen Teil des Ausführungsbeispiels mit her­vorstehenden Borsten und
  • Fig. 2 mit eingezogenen Borsten.
Exemplary embodiments of the invention are shown in the drawing using several figures and are explained in more detail in the following description. It shows:
  • Fig. 1 shows a part of the embodiment with protruding bristles and
  • Fig. 2 with retracted bristles.

Gleiche Teile sind in den Figuren mit gleichen Bezugszeichen versehen. Der Übersichtlichkeit halber wurde auf die vollständige Darstellung des Hand­griffs verzichtet. Ferner wurde aus Symmetriegründen jeweils nur eine Hälfte des Wickelkörpers und der Verstellvorrichtung dargestellt.Identical parts are provided with the same reference symbols in the figures. For the sake of clarity, the handle is not shown in full. Furthermore, for reasons of symmetry, only one half of the winding body and the adjusting device were shown.

Aus einem Gehäuse 1 wird ein Luftstrom 2, der mit Hilfe eines Gebläses und eines Heizers erzeugt wird, in das Innere des Wickelkörpers 3 geleitet, aus wel­chem der Luftstrom durch Austrittsöffnungen 4 aus­tritt. Innerhalb des Wickelkörpers 3 ist axial ver­schiebbar eine Verstellvorrichtung 5 vorgesehen, welche gleichzeitig als Haltevorrichtung für Borsten 6 dient. Die Verstellvorrichtung 5 ist ebenfalls zylindrisch und an ihrem Umfang mit Öffnungen 7 für den Luftstrom versehen.From a housing 1, an air stream 2, which is generated with the aid of a blower and a heater, is conducted into the interior of the winding body 3, from which the air stream exits through outlet openings 4. An adjusting device 5 is provided axially displaceably within the winding body 3 and serves at the same time as a holding device for bristles 6. The adjusting device 5 is also cylindrical and is provided on its circumference with openings 7 for the air flow.

Die Borsten 6 sind zu Büscheln zusammengefaßt, von denen jeweils einer durch eine Austrittsöffnung 4 nach außen ragt.The bristles 6 are combined into tufts, one of which projects outwards through an outlet opening 4.

In axialer Richtung ist die Verstellvorrichtung 5 von einem temperaturabhängigen Element 8 gehalten, das aus einer Legierung mit Formgedächtnis besteht. Derartige Legierungen sind an sich bekannt und bei­spielsweise in "Zeitschrift für wirtschaftliche Fer­tigung", 81. Jahrgang 1986, Heft 12, Seite 703 bis 708 beschrieben. Als Beispiele für derartige Legie­rungen werden in der Literatur NiTi, Cu-Zn-Al und Cu-Al-Ni genannt. Verschiedene Legierungen und eine Vielzahl von Formteilen sind auf dem Markt erhält­lich, wobei die Temperatur, bei welcher die Formände­rung erfolgt, in weiten Grenzen wählbar ist.In the axial direction, the adjusting device 5 is held by a temperature-dependent element 8, which consists of an alloy with shape memory. Alloys of this type are known per se and are described, for example, in "Journal for Economic Production", 81st year 1986, number 12, pages 703 to 708. Examples of such alloys are found in the literature as NiTi, Cu-Zn-Al and Called Cu-Al-Ni. Various alloys and a large number of molded parts are available on the market, and the temperature at which the change in shape takes place can be selected within wide limits.

Während bei der in Fig. 1 dargestellten Stellung keine Haare auf den Wickelkörper aufgewickelt sind und die Temperatur des Luftstroms unterhalb der für die Formänderung erforderlichen Temperatur liegt, zeigt Fig. 2 das Ausführungsbeispiel nach dem Haare aufgewickelt wurden (nicht dargestellt) und dadurch die Temperatur des Luftstroms gestiegen ist (Wärme­stau). Das temperaturabhängige Element 8 hat seine Form derart geändert, daß die Verstellvorrichtung 5 axial in Richtung auf den Handgriff 1 verschoben ist. Die Austrittsöffnungen 4 stehen in dieser Stel­lung nicht mehr den Befestigungspunkten der Borsten gegenüber, so daß die Borsten sichtbar eingezogen sind. Sobald der Wickelkörper aus der Haarlocke herausgezogen wird, sinkt die Temperatur des Luft­stroms wieder, so daß die Verstellvorrichtung 5 die in Fig. 1 dargestellte Stellung einnimmt und die Bor­sten wieder ausgestreckt werden.While in the position shown in Fig. 1 no hair is wound on the winding body and the temperature of the air flow is below the temperature required for the shape change, Fig. 2 shows the embodiment after the hair was wound (not shown) and thereby the temperature of the Air flow has increased (heat build-up). The temperature-dependent element 8 has changed its shape such that the adjusting device 5 is axially displaced in the direction of the handle 1. In this position, the outlet openings 4 are no longer opposite the attachment points of the bristles, so that the bristles are visibly drawn in. As soon as the bobbin is pulled out of the lock of hair, the temperature of the air flow drops again, so that the adjusting device 5 assumes the position shown in FIG. 1 and the bristles are stretched out again.

Die Erfindung ist nicht auf das dargestellte Ausfüh­rungsbeispiel beschränkt, sondern kann im Rahmen des Fachmännischen verschiedenartig ausgeführt und wei­tergebildet werden. So ist beispielsweise die Verwen­dung mehrerer temperturabhängiger Elemente 8 mit gegebenenfalls verschiedenen Kennlinien möglich. Außerdem kann das Einziehen und/oder das Ausstrecken der Borsten gegebenenfalls auch zusätzlich manuell erfolgen.The invention is not limited to the exemplary embodiment shown, but can be embodied and developed in various ways within the scope of the expert. For example, the use of several temperature-dependent elements 8 with possibly different characteristic curves is possible. In addition, the drawing in and / or the extension of the bristles can optionally also be done manually.

Ferner können als temperaturabhängiges Element auch andere Formteile aus einer Legierung mit Formgedächt­nis verwendet werden, beispielsweise eine Schrauben­feder, deren Länge sich mit der Temperatur ändert. Der erfindungsgemäße Lockenstab kann auch mit einem drehbaren Wickelkörper vorgesehen sein.Furthermore, other molded parts made of an alloy with shape memory can be used as a temperature-dependent element, for example a coil spring, the length of which changes with temperature. The curling iron according to the invention can also be provided with a rotatable winding body.

Anstelle der axialen Verschiebung der Borstenhalte­rung kann auch eine Drehbewegung vorgesehen sein. Bei der Verwendung von Zinken können diese in einer drehbaren Halterung gelagert sein. Die Erzeugung einer Drehbewegung kann direkt mit einem entsprechen­den temperaturabhängigen Element erfolgen. So sind beispielsweise Teile aus einer Legierung mit Form­gedächtnis erhältlich, welche die Form einer Spreiz­feder aufweisen. Ein solches Teil kann mit seiner Wendel gleichachsig im Lockenstab angeordnet sein, wobei ein Ende gehäusefest und das andere Ende mit der drehbaren Borsten- oder Zinkenhalterung verbun­den ist. Zur Erzeugung einer Drehbewegung eignen sich jedoch auch lineare temperaturabhängige Elemen­te, deren Bewegung durch geeignete Maßnahmen, bei­spielsweise eine Kulissenführung, in eine Drehbewe­gung umgesetzt wird.Instead of the axial displacement of the bristle holder, a rotary movement can also be provided. If tines are used, they can be mounted in a rotatable holder. A rotary movement can be generated directly with a corresponding temperature-dependent element. For example, parts made of an alloy with shape memory are available which have the shape of an expansion spring. Such a part can be arranged with its helix coaxially in the curling iron, one end being fixed to the housing and the other end connected to the rotatable bristle or tine holder. However, linear temperature-dependent elements are also suitable for generating a rotary movement, the movement of which is converted into a rotary movement by suitable measures, for example a link guide.

Claims (11)

1. Lockenstab mit einziehbaren Borsten oder Zinken, bei welchem ein erwärmter Luftstrom durch Austrittsöffnungen in einem zylindrischen Wickelkör­per führbar ist, dadurch gekennzeichnet, daß die Bor­sten (6) oder Zinken in Abhängigkeit von der Tempera­tur des Luftstroms (2) einziehbar sind.1. curling iron with retractable bristles or tines, in which a heated air flow can be guided through outlet openings in a cylindrical winding body, characterized in that the bristles (6) or tines are retractable depending on the temperature of the air flow (2). 2. Lockenstab nach Anspruch 1, dadurch ge­kennzeichnet, daß im Luftstrom mindestens ein tempe­raturabhängiges Element (8) angeordnet ist, daß auf eine Verstellvorrichtung (5) wirkt.2. Curling iron according to claim 1, characterized in that at least one temperature-dependent element (8) is arranged in the air flow that acts on an adjusting device (5). 3. Lockenstab nach Anspruch 2, dadurch ge­kennzeichnet, daß das temperaturabhängige Element (8) aus einer Formgedächtnis-Legierung besteht.3. Curling iron according to claim 2, characterized in that the temperature-dependent element (8) consists of a shape memory alloy. 4. Lockenstab nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, daß die Verstellvor­richtung (5) von einer gegenüber dem Wickelkörper (3) beweglich angeordneten Borsten- oder Zinkenhalte­rung gebildet ist.4. Curling iron according to one of claims 2 or 3, characterized in that the adjusting device (5) is formed by a bristle or tine holder movably arranged with respect to the winding body (3). 5. Lockenstab nach Anspruch 3, dadurch ge­kennzeichnet, daß die Borsten- oder Zinkenhalterung (5) in axialer Richtung des Wickelkörpers (3) ver­schiebbar ist.5. curling iron according to claim 3, characterized in that the bristle or tine holder (5) in the axial direction of the winding body (3) is displaceable. 6. Lockenstab nach Anspruch 5, dadurch gekennzeichnet, daß das temperaturabhängige Element (8) im wesentlichen U-förmig ist.6. Curling iron according to claim 5, characterized in that the temperature-dependent element (8) is substantially U-shaped. 7. Lockenstab nach Anspruch 5, dadurch gekennzeichnet, daß das temperaturabhängige Element im wesentlichen wendelförmig ist.7. curling iron according to claim 5, characterized in that the temperature-dependent element is substantially helical. 8. Lockenstab nach Anspruch 3, dadurch gekennzeichnet, daß die Borsten- oder Zinkenhalte­rung drehbar ist.8. curling iron according to claim 3, characterized in that the bristle or tine holder is rotatable. 9. Lockenstab nach Anspruch 8, dadurch gekennzeichnet, daß das temperaturabhängige Element im wesentlichen die Form einer Spreizfeder aufweist.9. Curling iron according to claim 8, characterized in that the temperature-dependent element has essentially the shape of a spreading spring. 10. Lockenstab nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Borsten (6) oder Zinken oberhalb einer vorgegebenen Tempera­tur des Luftstroms (2) eingezogen sind.10. Curling iron according to one of the preceding claims, characterized in that the bristles (6) or prongs are drawn in above a predetermined temperature of the air stream (2). 11. Lockenstab nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ferner ein ma­nuelles Einziehen und/oder Ausstrecken der Borsten (6) oder Zinken vorgesehen ist.11. Curling iron according to one of the preceding claims, characterized in that further manual retraction and / or extension of the bristles (6) or tines is provided.
EP89121647A 1989-01-25 1989-11-23 Curling iron with retractable bristles or teeth Expired - Lifetime EP0379670B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89121647T ATE100680T1 (en) 1989-01-25 1989-11-23 CURLING TONG WITH RETRACTABLE BRISTLES OR PRONGS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3902111A DE3902111A1 (en) 1989-01-25 1989-01-25 Curling iron with retractable bristles or tines
DE3902111 1989-01-25

Publications (3)

Publication Number Publication Date
EP0379670A2 true EP0379670A2 (en) 1990-08-01
EP0379670A3 EP0379670A3 (en) 1991-04-03
EP0379670B1 EP0379670B1 (en) 1994-01-26

Family

ID=6372742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89121647A Expired - Lifetime EP0379670B1 (en) 1989-01-25 1989-11-23 Curling iron with retractable bristles or teeth

Country Status (6)

Country Link
US (1) US4971081A (en)
EP (1) EP0379670B1 (en)
JP (1) JP2750927B2 (en)
AT (1) ATE100680T1 (en)
DE (2) DE3902111A1 (en)
ES (1) ES2050763T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997009899A1 (en) * 1995-09-14 1997-03-20 Ligo-Electric S.A. Hair styling and/or drying attachment for blower device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1041902B1 (en) * 1998-07-30 2003-12-03 Koninklijke Philips Electronics N.V. Hair dryer/styler
US6631831B1 (en) * 2001-10-02 2003-10-14 David J. Loiselle Self-cleaning hairbrush system
US6968848B2 (en) * 2002-12-13 2005-11-29 Grant George L Retractable bristle brush
US8302246B2 (en) 2003-06-25 2012-11-06 Goody Products, Inc. Hair brush with retractable bristles
US8136536B2 (en) * 2008-09-24 2012-03-20 Elc Management Llc Shape memory polymer mascara brush
KR101096276B1 (en) 2010-01-29 2011-12-20 손진일 A hair iron
CN104665201A (en) * 2015-03-18 2015-06-03 济南大学 Roll comb convenient to clean
CN115070497B (en) * 2022-07-12 2023-06-13 成都永峰科技有限公司 Cutting chip cleaning device for workbench

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016455A1 (en) * 1980-04-29 1981-11-05 Fritz 7869 Schönau Rueb Electric hair curling wand - has bristles around curling cylinder retracted to allow removal from hair
EP0168099A2 (en) * 1984-07-06 1986-01-15 F A C O Société Anonyme: Blowing brush for waving the hair

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Publication number Priority date Publication date Assignee Title
US3108305A (en) * 1960-11-04 1963-10-29 Lester R Peilet Self-cleaning brushes
US3110053A (en) * 1962-07-13 1963-11-12 Edward C Surabian Hair brush
US4023578A (en) * 1974-11-08 1977-05-17 Etablissements Lardenois Blow-wave brush
US3990460A (en) * 1975-09-19 1976-11-09 General Electric Company Drying hair curler
CA1021907A (en) * 1975-11-06 1977-12-06 Brian W. Pascal Self-cleaning retractable brush
CH577811A5 (en) * 1976-02-11 1976-07-30 Schenk Paul Cylindrical accessory fitting on brush type hair curlers - is two co-axial interspaced rings joined via two parallel bars and spaced relative to curler
US4473086A (en) * 1982-02-19 1984-09-25 Save-Way Industries, Inc. Hair curling device having retractable teeth and locking means therefor
JPH01145221U (en) * 1988-03-28 1989-10-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016455A1 (en) * 1980-04-29 1981-11-05 Fritz 7869 Schönau Rueb Electric hair curling wand - has bristles around curling cylinder retracted to allow removal from hair
EP0168099A2 (en) * 1984-07-06 1986-01-15 F A C O Société Anonyme: Blowing brush for waving the hair

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997009899A1 (en) * 1995-09-14 1997-03-20 Ligo-Electric S.A. Hair styling and/or drying attachment for blower device

Also Published As

Publication number Publication date
JPH02228906A (en) 1990-09-11
DE3902111A1 (en) 1990-07-26
US4971081A (en) 1990-11-20
ES2050763T3 (en) 1994-06-01
DE58906834D1 (en) 1994-03-10
ATE100680T1 (en) 1994-02-15
EP0379670A3 (en) 1991-04-03
JP2750927B2 (en) 1998-05-18
EP0379670B1 (en) 1994-01-26

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