EP2745728B1 - Hair straightener - Google Patents

Hair straightener Download PDF

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Publication number
EP2745728B1
EP2745728B1 EP13198048.4A EP13198048A EP2745728B1 EP 2745728 B1 EP2745728 B1 EP 2745728B1 EP 13198048 A EP13198048 A EP 13198048A EP 2745728 B1 EP2745728 B1 EP 2745728B1
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EP
European Patent Office
Prior art keywords
hair
plate
hair straightener
smoothing
arm
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EP13198048.4A
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German (de)
French (fr)
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EP2745728A1 (en
Inventor
Berthold Altmann
Daniela Blischke
Thomas Dr. Copitzky
Christian Dr. Hafer
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP2745728A1 publication Critical patent/EP2745728A1/en
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    • 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
    • A45D1/28—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for controlling or indicating the temperature
    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/001—Hair straightening appliances

Definitions

  • the present invention relates to a hair straightener.
  • Conventional hair straighteners for straightening hair comprise two articulated arms, on which a first or second smoothing plate is arranged. Usually, at least one of the two smoothing plates can be heated. To straighten the hair they are placed in an open state of the two arms between the two screed plates and then transferred the two arms in a closed state. Often, the hair to be smoothed is placed in strands between the two screed plates.
  • a first important parameter, which is important for the achieved smoothing result, is the temperature of the hair arranged between the screed plates, which can be influenced by means of the heatable screed plate (s).
  • a second important parameter is the value of the pulling force generated by the hair straightener on the hair when straightening the hair. This pulling force arises when the hair straightener is moved away from the user's head in the direction of the hair tips of the hair to be smoothed, so that the hair to be smoothed is pulled through the screed plates.
  • the smoothing plates are often resiliently supported by means of suitable spring elements on the arms of the hair straightener, so that the surfaces of the smoothing plates are pressed onto the hairs or hair strands arranged between the smoothing plates.
  • a disadvantage of such hair straighteners is that often only a portion of the hair to be smoothed is compressed while generating the above-mentioned pulling force of the screed plates, while one or more sections of the hair to be smoothed, on which the screed plates do not rest, during the smoothing process as desired under train stand and thus not be smoothed out in an optimal way. This is especially true if the smoothing plate - as usual in technically very simple conventional hair straighteners - not resiliently mounted on the movable arms of Haarglätters, but are rigidly connected to these.
  • the smoothing element may have a plurality of independent elements.
  • the present invention addresses the problem of providing a hair straightener of the type mentioned an improved embodiment, which in particular by an optimized smoothness effect, which acts as possible on all arranged between the arms hair, is characterized.
  • the present invention is based on the general idea of forming at least the first of the two smoothing plates of the hair straightener with at least two relatively movable plate segments which are respectively arranged on the first arm of the hair straightener.
  • These at least two plate segments can be brought with their surface in sections and independently of the hair to be smoothed / hair strands to the plant, even if the strand diameter of the arranged between the screed hair strands varies in sections, in this case, the at least two plate segments according to sections on Haarsträhen- Sections of different diameter pressed and brought to this system.
  • the second screed plate may have two or more plate segments as explained above.
  • each of the at least two plate segments can be individually heated and / or cooled by means of a respective individual temperature setting device. In this way, not only an optimal tensile force in the hair to be smoothed can be achieved by means of at least two plate segments, but also the temperature of the hair to be smoothed are positively influenced, which is also of importance for the quality of the smoothing result.
  • the respective temperature setting device can have a heating element or / and a cooling element.
  • a combination of a heating element and a cooling element can be realized, for example, in a simple manner by means of a PTC element.
  • the heating element By means of the heating element, the temperature required for an optimal smoothing process can be adjusted in the hair to be smoothed or in the strands of hair to be straightened.
  • the two smoothing plates can be constructed such that on the one hand a good heat transfer between the smoothing plates or their plate segments and the hair to be smoothed is possible, on the other hand, however, the lowest possible friction on the hair when moving through the hair straightener is effected.
  • variants can also be thought of that several or even all plate segments each have their own heating or cooling element.
  • each plate segment can be resiliently supported by means of at least one individual spring element on the first arm of the hair straightener.
  • the plate segments are thus partially biased against the hair / hair strands to be smoothed and thus can be pressed optimally over all defined by the plate segments hair sections or strands of hair away for generating a tensile force against the respective hair or hair strands sections.
  • the invention In order to further improve the contact of the surfaces of the plate segments on the hair or hair strands to be smoothed, it is provided according to the invention to arrange at least two plate segments next to one another along a transverse direction of the first arm of the hair straightener and a first and last plate element respectively at an edge on this transverse direction rigidly fix the first arm of the hair straightener.
  • the first and last plate element with respect to the transverse direction in each case only inwardly, ie to the adjacent plate segments, are resilient.
  • the hair or hair strands remain in the region of the plate segments during the smoothing process and can not leave this area of the plate segments in an undesired manner.
  • the first and last plate segments can also be supported on the first arm by means of an individual edge-spring element.
  • the edge-spring element has a higher spring constant than the spring elements for supporting the arranged between the first and last plate segment plate segments. In this way, a certain degree of rigidity can be set with which the first and last plate segment are attached to the first arm or even fixed.
  • the first smoothing plate may comprise at least two mutually movable plate segments, whereas the second smoothing plate may be integrally formed.
  • the second smoothing plate as a whole can be mounted resiliently on the second arm analogously to the individual plate segments of the first smoothing plate by means of suitable spring elements.
  • the second smoothing plate can be supported on the second arm of the hair straightener by means of a spring device, which may in particular comprise a first and a second spring element.
  • the two smoothing plates or their plate segments may each have a surface coating. In this way, the life of the hair straightener is increased.
  • the surface coating may be a sol gel coating or a PVD coating or a CVD coating or a thermally sprayed coating or paint or enamel or anodized.
  • FIG. 1 For example, a conventional hair straightener known from the prior art is shown roughly schematically in a cross section and designated by the reference numeral 10.
  • the hair straightener 10 has two arms 11 a, b articulated to one another, on which a first or second smoothing plate 12 a, b is arranged.
  • the two smoothing plates 12a, b are each supported by spring elements 13a, b resiliently on the arms 11a, b.
  • Conventional hair straighteners 10 with integrally formed screed plates 12a, b have the disadvantage that certain sections of the hair or hair strands 14 to be smoothed due to the rigid formation of the screed plates 12a, 12b not completely against the screed plates 12a, b, when the thickness of the hair / Strands of hair 14 between the screed plates 12a, b sections varies, In sections in which the screed plates 12a, b spaced from the hair / hair strands 14 are arranged (these are in the FIG. 1 denoted by the reference numeral 16), no tensile force for smoothing the hair or hair strands 14 build up, which has a negative effect on the smoothness effect in the hair / hair strands 14 to be smoothed.
  • the hair straightener 1 comprises two articulated arms 2a, b, on which a first or second smoothing plate 3a, b is arranged, of which at least one is heatable.
  • the first smoothing plate 3a has at least two plate segments 5 which are arranged so as to be movable relative to one another and which are arranged on the first arm 2a of the hair straightener 1. Exemplary are in the representation of FIG. 1 four such plate segments 5 are shown; It is clear that in variants but also a different number of plate segments 5 may be provided.
  • the plate segments 5 By means of the plate segments 5 according to the invention, it is ensured that a contact pressure is exerted on all sections of the hair or hair strands 4 arranged between the two screed plates 3a, b, by means of which, when the hair or hair strands 4 to be smoothed are moved in the direction L through the hair straightener 1 a required for optimum smoothing of the hair 4 pulling force can be built up.
  • the smoothing plate 3a formed from such plate segments 5 can be pressed onto the hair / strands of hair 4 even when the thickness of the hair / hair strands 4 is varying in sections to build up a contact pressure or tensile force.
  • the hair / hair strands 4 to be smoothed are arranged in certain sections of the screed plates 3a, b between them.
  • the plate segments 5 as in the illustration of FIG. 3 also be shown along the longitudinal direction L of the hair straightener 1 juxtaposed. Also, a grid-like arrangement of the plate segments 5 in the manner of a two-dimensional grid in the longitudinal and transverse directions of the hair straightener 1 is conceivable in a variant.
  • the second smoothing plate 3b is integrally formed.
  • the second smoothing plate 3b may also have a plurality of plate segments 5. It is also conceivable that only the second smoothing plate 3b is formed of a plurality of mutually movable plate segments 5, whereas the smoothing plate 3a is formed in one piece.
  • each plate segment 5 by means of an individual spring element 6a on the first arm 2a of the hair straightener 1 can be resiliently supported.
  • first and last plate segment 7 each rigidly fixed to an edge 8 on the first arm 2a of the hair straightener.
  • fix the first and last plate segment 7 with not completely rigid, but to use analogous to the spring elements 6a also suitable spring elements for support on the first arm 2a, which, however, have a higher spring constant than the spring elements 6a.
  • the desired degree of rigidity can be adjusted, with which the two plate segments 7 are attached to the first arm 2a. In this way it can be prevented that the hair / hair tresses 4 in or against the transverse direction Q of the screed plates 3a, b can leave them during a smoothing process.
  • the second smoothing plate 3b may also have a spring device which may comprise a first and a second spring element 6b, by means of which the second smoothing plate 3b is supported on the second arm 2b of the hair straightener 1.
  • the smoothing plates 3a, b or plate segments 5, 7 can each have a surface coating, which is a solgel coating or a PVD coating or a CVD coating or a thermally sprayed coating or paint or enamel or anodized.

Description

Die vorliegende Erfindung betrifft einen Haarglätter.The present invention relates to a hair straightener.

Herkömmliche Haarglätter zum Glätten von Haaren umfassen zwei gelenkig aneinander gelagerte Arme, an welchen eine erste bzw. zweite Glättplatte angeordnet ist. Üblicherweise ist zumindest eine der beiden Glättplatten heizbar. Zum Glätten der Haare werden diese in einem geöffneten Zustand der beiden Arme zwischen die beiden Glättplatten gelegt und anschließend die beiden Arme in einen geschlossenen Zustand überführt. Oftmals wird das zu glättende Haar in Strähnen zwischen die beiden Glättplatten gelegt.Conventional hair straighteners for straightening hair comprise two articulated arms, on which a first or second smoothing plate is arranged. Usually, at least one of the two smoothing plates can be heated. To straighten the hair they are placed in an open state of the two arms between the two screed plates and then transferred the two arms in a closed state. Often, the hair to be smoothed is placed in strands between the two screed plates.

Ein erster wichtiger Parameter, welcher für das erzielte Glättergebnis von Bedeutung ist, ist die Temperatur der zwischen den Glättplatten angeordneten Haare, welche mittels der beheizbaren Glättplatte(n) beeinflusst werden kann. Ein zweiter wichtiger Parameter ist der Wert der beim Glätten der Haare durch den Haarglätter auf die Haare erzeugten Zugkraft. Diese Zugkraft entsteht, wenn der Haarglätter vom Kopf des Benutzers weg in Richtung der Haarspitzen der zu glättenden Haare bewegt wird, so dass die zu glättenden Haare durch die Glättplatten gezogen werden. In herkömmlichen Haarglättern stützen sich die Glättplatten häufig mittels geeigneter Federelemente federelastisch an den Armen des Haarglätters ab, so dass die Oberflächen der Glättplatten auf die zwischen den Glättplatten angeordneten Haare bzw. Haarsträhnen gedrückt werden.A first important parameter, which is important for the achieved smoothing result, is the temperature of the hair arranged between the screed plates, which can be influenced by means of the heatable screed plate (s). A second important parameter is the value of the pulling force generated by the hair straightener on the hair when straightening the hair. This pulling force arises when the hair straightener is moved away from the user's head in the direction of the hair tips of the hair to be smoothed, so that the hair to be smoothed is pulled through the screed plates. In conventional hair straighteners, the smoothing plates are often resiliently supported by means of suitable spring elements on the arms of the hair straightener, so that the surfaces of the smoothing plates are pressed onto the hairs or hair strands arranged between the smoothing plates.

Ein Nachteil derartiger Haarglätter besteht darin, dass häufig nur ein Teilabschnitt der zu glättenden Haare unter Erzeugung o.g. Zugkraft von den Glättplatten zusammengepresst wird, während ein oder mehrere Teilabschnitte der zu glättenden Haare, an welchen die Glättplatten nicht anliegen, beim Glättvorgang nicht wie gewünscht unter Zug stehen und somit nicht auf optimale Weise geglättet werden. Dies gilt insbesondere, wenn die Glättplatte - wie in technisch sehr einfach aufgebauten herkömmlichen Haarglättern üblich - nicht federnd an den beweglichen Armen des Haarglätters gelagert, sondern starr mit diesen verbunden sind. Ursache dafür, dass die zu glättenden Haare nicht vollständig von den Glättplatten kontaktiert und zusammengepresst werden, kann beispielsweise eine strähnenartige Anordnung der zu glättenden Haare im Haarglätter mit abschnittsweise variierendem Strähnendurchmesser der Haarsträhnen sein. In Abschnitten mit geringerem Strähnendurchmesser kann es zu o.g. beabstandeter Anordnung der Glättplatten zu den Haarsträhnen kommen.A disadvantage of such hair straighteners is that often only a portion of the hair to be smoothed is compressed while generating the above-mentioned pulling force of the screed plates, while one or more sections of the hair to be smoothed, on which the screed plates do not rest, during the smoothing process as desired under train stand and thus not be smoothed out in an optimal way. This is especially true if the smoothing plate - as usual in technically very simple conventional hair straighteners - not resiliently mounted on the movable arms of Haarglätters, but are rigidly connected to these. Cause that the hairs to be smoothed are not completely contacted by the screed plates and pressed together, for example, a strands-like arrangement of the hair to be smoothed in the hair straightener with sections varying strands diameter of the hair strands. In sections with a smaller strand diameter, there may be an above-spaced arrangement of the screed plates to the hair strands.

Aus der Druckschrift WO 2012/093045 A1 ist beispielsweise ein Haarglätter bekannt, dessen Glättelement eine Mehrzahl von unabhängigen Elementen aufweisen kann.From the publication WO 2012/093045 A1 for example, a hair straightener is known, the smoothing element may have a plurality of independent elements.

Die vorliegende Erfindung befasst sich mit dem Problem, für einen Haarglätter der eingangs genannten Art eine verbesserte Ausführungsform anzugeben, welche sich insbesondere durch einen optimierten Glätteffekt, der möglichst auf alle zwischen den Armen angeordnete Haare wirkt, auszeichnet.The present invention addresses the problem of providing a hair straightener of the type mentioned an improved embodiment, which in particular by an optimized smoothness effect, which acts as possible on all arranged between the arms hair, is characterized.

Das vorangehend genannte Problem wird gelöst durch den Gegenstand des unabhängigen Patentanspruchs 1. Bevorzugte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.The above-mentioned problem is solved by the subject-matter of independent claim 1. Preferred embodiments are subject-matter of the dependent claims.

Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, wenigstens die erste der beiden Glättplatten des Haarglätters mit wenigstens zwei relativ zueinander beweglichen Plattensegmenten auszubilden, die jeweils am ersten Arm des Haarglätters angeordnet sind. Diese wenigstens zwei Plattensegmente können mit ihrer Oberfläche abschnittsweise und unabhängig voneinander an den zu glättenden Haaren/Haarsträhnen zur Anlage gebracht werden, auch wenn der Strähnendurchmesser der zwischen den Glättplatten angeordneten Haarsträhnen abschnittsweise variiert, In diesem Fall können die wenigstens zwei Plattensegmente entsprechend abschnittsweise auf Haarsträhnen-Abschnitten mit unterschiedlichem Durchmesser gedrückt und auf diesen zur Anlage gebracht werden. Dies führt insgesamt zu einem verbesserten Glätteffekt in den zu glättenden Haaren, da im Optimalfall auf alle Haarsträhnen-Abschnitte der zu glättenden Haare eine für einen maximalen Glätteffekt benötigte Zugkraft erzeugt wird. Mittels der erfindungsgemäßen Ausbildung mit der Glättplatte mit Plattensegmenten wird also vermieden, dass einzelne Abschnitte der zu glättenden Haare bzw. Haarsträhnen während des Glättvorgangs im Abstand zu der ersten Glättplatte angeordnet sind, so dass in diesem Bereich keine Zugkraft auf die zu glättenden Haare erzeugt werden kann.The present invention is based on the general idea of forming at least the first of the two smoothing plates of the hair straightener with at least two relatively movable plate segments which are respectively arranged on the first arm of the hair straightener. These at least two plate segments can be brought with their surface in sections and independently of the hair to be smoothed / hair strands to the plant, even if the strand diameter of the arranged between the screed hair strands varies in sections, in this case, the at least two plate segments according to sections on Haarsträhnen- Sections of different diameter pressed and brought to this system. Overall, this leads to an improved smoothness effect in the hair to be smoothed, since, in the optimal case, all the hair strands of the hair to be smoothed produce a traction force required for a maximum smoothness effect. By means of the inventive design with the smoothing plate with plate segments is thus avoided that individual sections of the hair or hair strands to be smoothed are arranged during the smoothing process at a distance from the first smoothing plate, so that in this area no tensile force can be generated on the hair to be smoothed ,

Mit zunehmender Anzahl an Plattensegmenten wird eine weitere Verbesserung hinsichtlich der abschnittsweisen Anlage der einzelnen Plattensegmente an die zu glättenden Haare erzielt. Selbstverständlich kann auch daran gedacht sein, nicht nur eine Glättplatte mit wenigstens zwei beweglichen Plattensegmenten vorzusehen; auch kann die zweite Glättplatte zwei oder mehr Plattensegmente, wie vorangehend erläutert, aufweisen.As the number of plate segments increases, a further improvement is achieved with regard to the partial application of the individual plate segments to the hair to be smoothed. Of course, it may also be thought to provide not only a smoothing plate with at least two movable plate segments; Also, the second screed plate may have two or more plate segments as explained above.

In einer bevorzugten Ausführungsform ist jedes der wenigstens zwei Plattensegmente mittels einer jeweiligen individuellen Temperatur-Einstelleinrichtung individuell heizbar oder/und kühlbar. Auf diese Weise kann mittels der wenigstens zwei Plattensegmente nicht nur eine optimale Zugkraft in den zu glättenden Haaren erzielt werden, sondern auch die Temperatur der zu glättenden Haare positiv beeinflusst werden, was ebenfalls von Bedeutung für die Qualität des Glättergebnisses ist.In a preferred embodiment, each of the at least two plate segments can be individually heated and / or cooled by means of a respective individual temperature setting device. In this way, not only an optimal tensile force in the hair to be smoothed can be achieved by means of at least two plate segments, but also the temperature of the hair to be smoothed are positively influenced, which is also of importance for the quality of the smoothing result.

In einer zweckmäßigen Ausführungsform kann die jeweilige Temperatur-Einstelleinrichtung ein Heizelement oder/und ein Kühlelement aufweisen. Eine Kombination aus einem Heizelement und einem Kühlelement lässt sich beispielsweise auf einfache Weise mittels eines PTC-Elements realisieren. Mittels des Heizelements kann in dem zu glättenden Haar bzw. in den zu glättenden Haarsträhnen die für einen optimalen Glättvorgang erforderliche Temperatur eingestellt werden. In einer besonders bevorzugten Ausführungsform können die beiden Glättplatten derart aufgebaut sein, dass einerseits ein guter Wärmeübergang zwischen den Glättplatten bzw. deren Plattensegmenten und den zu glättenden Haaren möglich ist, andererseits jedoch eine möglichst geringe Reibung am Haar beim Bewegen durch den Haarglätter bewirkt wird. Selbstverständlich kann in Varianten auch daran gedacht sein, dass mehrere oder sogar alle Plattensegmente jeweils über ein eigenes Heiz- bzw. Kühlelement verfügen.In an expedient embodiment, the respective temperature setting device can have a heating element or / and a cooling element. A combination of a heating element and a cooling element can be realized, for example, in a simple manner by means of a PTC element. By means of the heating element, the temperature required for an optimal smoothing process can be adjusted in the hair to be smoothed or in the strands of hair to be straightened. In a particularly preferred embodiment, the two smoothing plates can be constructed such that on the one hand a good heat transfer between the smoothing plates or their plate segments and the hair to be smoothed is possible, on the other hand, however, the lowest possible friction on the hair when moving through the hair straightener is effected. Of course, variants can also be thought of that several or even all plate segments each have their own heating or cooling element.

In einer besonders bevorzugten Ausführungsform kann sich jedes Plattensegment jeweils mittels wenigstens eines individuellen Federelements an dem ersten Arm des Haarglätters federelastisch abstützen. Die Plattensegmente sind also gegen die zu glättenden Haare/Haarsträhnen abschnittsweise vorgespannt und können somit auf optimale Weise über alle durch die Plattensegmente definierten Haarabschnitte bzw. Haarsträhnen-Abschnitte hinweg zum Erzeugen einer Zugkraft gegen die jeweiligen Haare- bzw. Haarsträhnen-Abschnitte gedrückt werden.In a particularly preferred embodiment, each plate segment can be resiliently supported by means of at least one individual spring element on the first arm of the hair straightener. The plate segments are thus partially biased against the hair / hair strands to be smoothed and thus can be pressed optimally over all defined by the plate segments hair sections or strands of hair away for generating a tensile force against the respective hair or hair strands sections.

Um die Anlage der Oberflächen der Plattensegmente an den zu glättenden Haaren bzw. Haarsträhnen weiter zu verbessern, ist erfindungsgemäß vorgesehen, wenigstens zwei Plattensegmente entlang einer Querrichtung des ersten Arms des Haarglätters nebeneinander anzuordnen und ein bezüglich dieser Querrichtung erstes und letztes Plattenelement jeweils an einem Rand am ersten Arm des Haarglätters starr zu fixieren. Auf diese Weise kann erreicht werden, dass das erste und letzte Plattenelement bzgl. der Querrichtung jeweils nur nach innen, also zu den benachbarten Plattensegmenten hin, federelastisch ausgebildet sind. Somit kann sichergestellt werden, dass die Haare bzw. Haarsträhnen während des Glättvorgangs im Bereich der Plattensegmente verbleiben und diesen Bereich der Plattensegmente nicht auf unerwünschte Weise verlassen können. Alternativ zu einer starren Fixierung können sich erfindungsgemäß das erste und letzte Plattensegment auch jeweils mittels eines individuellen Rand-Federelements am ersten Arm abstützen. Das Rand-Federelement weist dabei eine höhere Federkonstante auf als die Federelemente zur Abstützung der zwischen dem ersten und letzten Plattensegment angeordneten Plattensegmente. Auf diese Weise kann ein bestimmtes Maß an Steifigkeit eingestellt werden, mit welchem das erste und letzte Plattensegment am ersten Arm befestigt oder sogar fixiert sind.In order to further improve the contact of the surfaces of the plate segments on the hair or hair strands to be smoothed, it is provided according to the invention to arrange at least two plate segments next to one another along a transverse direction of the first arm of the hair straightener and a first and last plate element respectively at an edge on this transverse direction rigidly fix the first arm of the hair straightener. In this way it can be achieved that the first and last plate element with respect to the transverse direction in each case only inwardly, ie to the adjacent plate segments, are resilient. Thus, it can be ensured that the hair or hair strands remain in the region of the plate segments during the smoothing process and can not leave this area of the plate segments in an undesired manner. As an alternative to a rigid fixation, according to the invention, the first and last plate segments can also be supported on the first arm by means of an individual edge-spring element. The edge-spring element has a higher spring constant than the spring elements for supporting the arranged between the first and last plate segment plate segments. In this way, a certain degree of rigidity can be set with which the first and last plate segment are attached to the first arm or even fixed.

In einer vereinfachten und somit besonders kostengünstig herzustellenden Ausführungsform kann nur die erste Glättplatte wenigstens zwei zueinander bewegliche Plattensegmente umfassen, wohingegen die zweite Glättplatte einstückig ausgebildet sein kann. Selbstverständlich kann auch die zweite Glättplatte als Ganzes analog zu den einzelnen Plattensegmenten der ersten Glättplatte mittels geeigneter Federelemente federelastisch am zweiten Arm gelagert sein. Insbesondere kann sich die zweite Glättplatte in einer weiterbildenden Ausführungsform mittels einer Federeinrichtung, welche insbesondere ein erstes und zweites Federelement umfassen kann, am zweiten Arm des Haarglätters abstützen.In a simplified and therefore particularly inexpensive to manufacture embodiment, only the first smoothing plate may comprise at least two mutually movable plate segments, whereas the second smoothing plate may be integrally formed. Of course, the second smoothing plate as a whole can be mounted resiliently on the second arm analogously to the individual plate segments of the first smoothing plate by means of suitable spring elements. In particular, in a further embodiment, the second smoothing plate can be supported on the second arm of the hair straightener by means of a spring device, which may in particular comprise a first and a second spring element.

In einer weiterbildenden Ausführungsform können die beiden Glättplatten bzw. deren Plattensegmente jeweils eine Oberflächenbeschichtung aufweisen. Auf diese Weise wird die Lebensdauer des Haarglätters erhöht.In a further embodiment, the two smoothing plates or their plate segments may each have a surface coating. In this way, the life of the hair straightener is increased.

In einer besonders bevorzugten Ausführungsform kann die Oberflächenbeschichtung eine Solgel-Beschichtung oder eine PVD-Beschichtung oder eine CVD-Beschichtung oder eine thermisch gespritzte Beschichtung oder eine Lackierung oder Email oder Eloxal sein.In a particularly preferred embodiment, the surface coating may be a sol gel coating or a PVD coating or a CVD coating or a thermally sprayed coating or paint or enamel or anodized.

Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Other important features and advantages of the invention will become apparent from the dependent claims, from the drawings and from the associated figure description with reference to the drawings.

Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained below can be used not only in the respectively specified combination but also in other combinations or in isolation without departing from the scope of the present invention.

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden in der nachfolgenden Beschreibung näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder ähnliche oder funktional gleiche Bauteile beziehen.Preferred embodiments of the invention are illustrated in the drawings and will be described in more detail in the following description, wherein like reference numerals refer to the same or similar or functionally identical components.

Dabei zeigen, jeweils schematisch,

Fig. 1
einen aus dem Stand der Technik bekannten Haarglätter,
Fig. 2
ein Ausführungsbeispiel eines erfindungsgemäßen Haarglätters in einem grobschematischen Querschnitt,
Fig. 3
eine erste Variante des Haarglätters der Figur 2 in einem grobschematischen Längsschnitt,
Fig. 4
eine zweite Variante des Haarglätters der Figur 2 in einem grobschematischen Querschnitt.
Show, in each case schematically,
Fig. 1
a hair straightener known from the prior art,
Fig. 2
An embodiment of a hair straightener according to the invention in a rough-schematic cross-section,
Fig. 3
a first variant of the hair straightener of FIG. 2 in a rough schematic longitudinal section,
Fig. 4
a second variant of the hair straightener FIG. 2 in a rough schematic cross section.

In der Figur 1 ist ein herkömmlicher, aus dem Stand der Technik bekannter Haarglätter grobschematisch in einem Querschnitt dargestellt und mit dem Bezugszeichen 10 bezeichnet. Der Haarglätter 10 weist zwei gelenkig aneinander gelagerte Arme 11 a,b auf, an welchen eine erste bzw. zweite Glättplatte 12a,b angeordnet ist. Die beiden Glättplatten 12a,b stützen sich jeweils mittels Federelementen 13a,b federelastisch an den Armen 11 a,b ab.In the FIG. 1 For example, a conventional hair straightener known from the prior art is shown roughly schematically in a cross section and designated by the reference numeral 10. The hair straightener 10 has two arms 11 a, b articulated to one another, on which a first or second smoothing plate 12 a, b is arranged. The two smoothing plates 12a, b are each supported by spring elements 13a, b resiliently on the arms 11a, b.

Herkömmliche Haarglätter 10 mit einstückig ausgebildeten Glättplatten 12a,b weisen den Nachteil auf, dass bestimmte Abschnitte der zu glättenden Haare bzw. Haarsträhnen 14 aufgrund der starren Ausbildung der Glättplatten 12a, 12b nicht vollständig an den Glättplatten 12a,b anliegen, wenn die Dicke der Haare/Haarsträhnen 14 zwischen den Glättplatten 12a,b abschnittsweise variiert, In Abschnitten, in denen die Glättplatten 12a,b beabstandet zu den Haaren/Haarsträhnen 14 angeordnet sind (diese sind in der Figur 1 mit dem Bezugszeichen 16 bezeichnet), kann sich keine Zugkraft zum Glätten der Haare bzw. Haarsträhnen 14 aufbauen, was sich negativ auf den Glätteffekt in den zu glättenden Haaren/Haarsträhnen 14 auswirkt.Conventional hair straighteners 10 with integrally formed screed plates 12a, b have the disadvantage that certain sections of the hair or hair strands 14 to be smoothed due to the rigid formation of the screed plates 12a, 12b not completely against the screed plates 12a, b, when the thickness of the hair / Strands of hair 14 between the screed plates 12a, b sections varies, In sections in which the screed plates 12a, b spaced from the hair / hair strands 14 are arranged (these are in the FIG. 1 denoted by the reference numeral 16), no tensile force for smoothing the hair or hair strands 14 build up, which has a negative effect on the smoothness effect in the hair / hair strands 14 to be smoothed.

In der Figur 2 ist ein erfindungsgemäßer Haarglätter dargestellt und mit dem Bezugszeichen 1 bezeichnet. Der erfindungsgemäße Haarglätter 1 umfasst zwei gelenkig aneinander gelagerte Arme 2a, b, an welchen eine erste bzw. zweite Glättplatte 3a, b angeordnet ist, von denen zumindest eine beheizbar ausgebildet ist. Die erste Glättplatte 3a weist wenigstens zwei relativ zueinander beweglich angeordnete Plattensegmente 5 auf, die am ersten Arm 2a des Haarglätters 1 angeordnet sind. Exemplarisch sind in der Darstellung der Figur 1 vier solche Plattensegmente 5 gezeigt; es ist klar, dass in Varianten aber auch eine andere Anzahl an Plattensegmenten 5 vorgesehen sein kann.In the FIG. 2 an inventive hair straightener is shown and designated by the reference numeral 1. The hair straightener 1 according to the invention comprises two articulated arms 2a, b, on which a first or second smoothing plate 3a, b is arranged, of which at least one is heatable. The first smoothing plate 3a has at least two plate segments 5 which are arranged so as to be movable relative to one another and which are arranged on the first arm 2a of the hair straightener 1. Exemplary are in the representation of FIG. 1 four such plate segments 5 are shown; It is clear that in variants but also a different number of plate segments 5 may be provided.

Mittels der erfindungsgemäßen Plattensegmente 5 wird sichergestellt, dass auf alle Abschnitte der zwischen den beiden Glättplatten 3a, b angeordneten Haare bzw. Haarsträhnen 4 ein Anpressdruck ausgeübt wird, mittels welchem beim Bewegen der zu glättenden Haare bzw. Haarsträhnen 4 in Richtung L durch den Haarglätter 1 eine zum optimalen Glätten der Haare 4 erforderliche Zugkraft aufgebaut werden kann. Mittels der Plattensegmente 5 kann die aus solchen Plattensegmenten 5 ausgebildete Glättplatte 3a auch bei abschnittsweise variierender Dicke der Haare/Haarsträhnen 4 zum Aufbau eines Anpressdruckes bzw. einer Zugkraft auf die Haare/Haarsträhnen 4 gedrückt werden. Somit kann vermieden werden, dass die zu glättenden Haare/Haarsträhnen 4 in bestimmten Abschnitten der Glättplatten 3a,b beabstandet zwischen diesen angeordnet sind.By means of the plate segments 5 according to the invention, it is ensured that a contact pressure is exerted on all sections of the hair or hair strands 4 arranged between the two screed plates 3a, b, by means of which, when the hair or hair strands 4 to be smoothed are moved in the direction L through the hair straightener 1 a required for optimum smoothing of the hair 4 pulling force can be built up. By means of the plate segments 5, the smoothing plate 3a formed from such plate segments 5 can be pressed onto the hair / strands of hair 4 even when the thickness of the hair / hair strands 4 is varying in sections to build up a contact pressure or tensile force. Thus it can be avoided that the hair / hair strands 4 to be smoothed are arranged in certain sections of the screed plates 3a, b between them.

Selbstverständlich können die Plattensegmente 5 wie in der Darstellung der Figur 3 gezeigt auch entlang der Längsrichtung L des Haarglätters 1 nebeneinander angeordnet sein. Auch eine rasterartige Anordnung der Plattensegmente 5 in der Art eines zweidimensionalen Rasters in Längs- und Querrichtung des Haarglätters 1 ist in einer Variante Vorstellbar.Of course, the plate segments 5 as in the illustration of FIG. 3 also be shown along the longitudinal direction L of the hair straightener 1 juxtaposed. Also, a grid-like arrangement of the plate segments 5 in the manner of a two-dimensional grid in the longitudinal and transverse directions of the hair straightener 1 is conceivable in a variant.

Betrachtet man nun wieder die Darstellung der Figur 2, so erkennt man, dass die zweite Glättplatte 3b einstückig ausgebildet ist. In einer nicht gezeigten Variante kann die zweite Glättplatte 3b aber auch mehrere Plattensegmente 5 aufweisen. Ebenso ist vorstellbar, dass nur die zweite Glättplatte 3b aus mehreren zueinander beweglichen Plattensegmenten 5 gebildet wird, wohingegen die Glättplatte 3a einstückig ausgebildet ist.Looking again at the representation of the FIG. 2 , it can be seen that the second smoothing plate 3b is integrally formed. In a variant not shown, however, the second smoothing plate 3b may also have a plurality of plate segments 5. It is also conceivable that only the second smoothing plate 3b is formed of a plurality of mutually movable plate segments 5, whereas the smoothing plate 3a is formed in one piece.

Aus der Darstellung der Figur 2 lässt sich entnehmen, dass sich jedes Plattensegment 5 mittels eines individuellen Federelements 6a am ersten Arm 2a des Haarglätters 1 federelastisch abstützten kann.From the representation of FIG. 2 It can be seen that each plate segment 5 by means of an individual spring element 6a on the first arm 2a of the hair straightener 1 can be resiliently supported.

Gemäß einer in der Figur 4 gezeigten Variante des Haarglätters der Figur 2 sind ein bezüglich der Querrichtung erstes und letztes Plattensegment 7 jeweils an einem Rand 8 am ersten Arm 2a des Haarglätters starr fixiert. Alternativ ist es aber auch vorstellbar, das erste und letzte Plattensegment 7 mit nicht vollkommen starr zu fixieren, sondern analog zu den Federelementen 6a ebenfalls geeignete Federelemente zur Abstützung am ersten Arm 2a zu verwenden, welche jedoch eine höhere Federkonstante aufweisen als die Federelemente 6a. Durch Verwendung eines solchen Federelements mit im Vergleich zu den Federelementen 6a erhöhter Federkonstante kann das gewünschte Maß an Steifigkeit eingestellt werden, mit welcher die beiden Plattensegmente 7 am ersten Arm 2a befestigt sind. Auf diese Weise kann verhindert werden, dass die Haare/Haarsträhnen 4 in oder entgegen der Querrichtung Q der Glättplatten 3a, b diese während eines Glättvorgangs verlassen können.According to one in the FIG. 4 shown variant of the hair straightener FIG. 2 are one with respect to the transverse direction first and last plate segment 7 each rigidly fixed to an edge 8 on the first arm 2a of the hair straightener. Alternatively, it is also conceivable to fix the first and last plate segment 7 with not completely rigid, but to use analogous to the spring elements 6a also suitable spring elements for support on the first arm 2a, which, however, have a higher spring constant than the spring elements 6a. By using such a spring element with compared to the spring elements 6a increased spring constant, the desired degree of rigidity can be adjusted, with which the two plate segments 7 are attached to the first arm 2a. In this way it can be prevented that the hair / hair tresses 4 in or against the transverse direction Q of the screed plates 3a, b can leave them during a smoothing process.

Betrachtet man nun wieder die Darstellung der Figur 2, so erkennt man, dass auch die zweite Glättplatte 3b eine Federeinrichtung aufweisen kann, die ein erstes und zweites Federelement 6b umfassen kann, mittels welcher sich die zweite Glättplatte 3b am zweiten Arm 2b des Haarglätters 1 abstützt.Looking again at the representation of the FIG. 2 , it can be seen that the second smoothing plate 3b may also have a spring device which may comprise a first and a second spring element 6b, by means of which the second smoothing plate 3b is supported on the second arm 2b of the hair straightener 1.

In einer weiterbildenden Variante können die Glättplatten 3a, b bzw. Plattensegmente 5, 7 jeweils eine Oberflächen-Beschichtung aufweisen, bei der es sich um eine Solgel-Beschichtung oder eine PVD-Beschichtung oder eine CVD-Beschichtung oder eine thermisch gespritzte Beschichtung oder eine Lackierung oder Email oder Eloxal handeln kann.In a further development variant, the smoothing plates 3a, b or plate segments 5, 7 can each have a surface coating, which is a solgel coating or a PVD coating or a CVD coating or a thermally sprayed coating or paint or enamel or anodized.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Haarglätterhair straightener
2a,b2a, b
bewegliche Armemovable arms
3a,b3a, b
Glättplattesmoothing plate
44
Haare/HaarsträhnenHair / hair strands
55
Plattensegmentplate segment
6a,b6a, b
Federelementspring element
77
erstes/letztes Plattensegmentfirst / last plate segment
88th
Randedge
1010
Haarglätter (Stand der Technik)Hair straighteners (prior art)
11 a,b11 a, b
bewegliche Armemovable arms
12a,b12a, b
Glättplattesmoothing plate
13a,b13a, b
Federelementespring elements
1414
Haarehair
15a,b15a, b
Oberflächesurface

Claims (8)

  1. Hair straightener (1),
    - having two arms (2a, b) mounted hinged to one another, on which a first or second smoothing plate (3a, b) is arranged, of which at least one can be heated,
    - wherein at least the first smoothing plate (3a) includes at least two plate segments (5) which can be moved relative to one another and are arranged on the first arm (2a) of the hair straightener; and wherein
    at least two plate segments (5) are arranged adjacent to one another along a transverse direction (Q) of the first arm (2a),
    characterised in that
    - a first and last plate segment (7), with respect to the transverse direction (Q), are rigidly fixed in each case to an edge (8) on the first arm (2a) of the hair straightener (1), or rest in each case against the first arm (2a) by means of an individual edge spring element, which has a higher spring constant than the spring elements (6a) for supporting the plate segments (5) arranged between the first and last plate segment (7).
  2. Hair straightener according to claim 1, characterised in that each of the at least two plate segments (5) can be individually heated or/and cooled by means of a respective individual temperature adjustment facility.
  3. Hair straightener according to claim 2, characterised in that the respective temperature adjustment facility comprises a heating element or/and a cooling element, in particular a PTC element.
  4. Hair straightener according to one of claims 1 to 3, characterised in that each plate segment (5) rests in an elastically-sprung manner against the first arm (2a) of the hair straightener by means in each case of at least one individual spring element (6a).
  5. Hair straightener according to one of the preceding claims, characterised in that only the first smoothing plate (3a) includes at least two plate segments (5) which can be moved relative to one another and the second smoothing plate (3b) is embodied in one piece.
  6. Hair straightener according to claim 5, characterised in that the second smoothing plate (3b) rests against the second arm (2b) of the hair straightener (1) by means of a spring facility, which in particular includes a first and second spring element (6b).
  7. Hair straightener according to one of the preceding claims, characterised in that the smoothing plates (3a, b) or plate segments (5) each have a surface coating.
  8. Hair straightener according to claim 7, characterised in that the surface coating is a sol-gel coating or a PVD coating or a CVD coating or a thermally extruded coating, a paint, enamel or eloxal.
EP13198048.4A 2012-12-20 2013-12-18 Hair straightener Active EP2745728B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012224043.8A DE102012224043A1 (en) 2012-12-20 2012-12-20 hair straightener

Publications (2)

Publication Number Publication Date
EP2745728A1 EP2745728A1 (en) 2014-06-25
EP2745728B1 true EP2745728B1 (en) 2015-09-09

Family

ID=49765982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13198048.4A Active EP2745728B1 (en) 2012-12-20 2013-12-18 Hair straightener

Country Status (2)

Country Link
EP (1) EP2745728B1 (en)
DE (1) DE102012224043A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2498516A (en) 2012-01-10 2013-07-24 Jemella Ltd Hair styling apparatus comprising a curved cooling section
AU2014349908B2 (en) 2013-11-12 2019-09-26 Jemella Limited Hair styling apparatus
GB2545233B (en) * 2015-12-09 2018-06-27 Dyson Technology Ltd Flexible heating plate for hair

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060207625A1 (en) * 2005-03-15 2006-09-21 Chan Wing K Hair straightener with magnetic means
KR100858028B1 (en) * 2008-04-17 2008-09-10 불루세라믹 주식회사 Hairdressing implements
DE102010002795A1 (en) * 2010-03-11 2011-09-15 BSH Bosch und Siemens Hausgeräte GmbH hair straightener
DE102010028847A1 (en) * 2010-05-11 2011-11-17 BSH Bosch und Siemens Hausgeräte GmbH Electrically powered hair straightener
GB2477834B (en) * 2010-08-31 2012-02-01 Jemella Ltd Hair styling appliance
DE102011002402A1 (en) * 2011-01-03 2012-07-05 BSH Bosch und Siemens Hausgeräte GmbH hair straightener

Also Published As

Publication number Publication date
EP2745728A1 (en) 2014-06-25
DE102012224043A1 (en) 2014-06-26

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