EP2759224B1 - Hair straightener - Google Patents

Hair straightener Download PDF

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Publication number
EP2759224B1
EP2759224B1 EP14152263.1A EP14152263A EP2759224B1 EP 2759224 B1 EP2759224 B1 EP 2759224B1 EP 14152263 A EP14152263 A EP 14152263A EP 2759224 B1 EP2759224 B1 EP 2759224B1
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EP
European Patent Office
Prior art keywords
hair
hair straighteners
electrical
silicon strip
additive
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
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EP14152263.1A
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German (de)
French (fr)
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EP2759224A1 (en
Inventor
Berthold Altmann
Daniela Blischke
Thomas Copitzky
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP2759224A1 publication Critical patent/EP2759224A1/en
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    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/02Curling-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
    • A45D1/04Curling-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
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45DHAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2/00Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/001Hair straightening appliances

Definitions

  • the invention relates to a hair straightener.
  • Hair straighteners are used, for example, when curly or curly hair is to be smoothed.
  • Conventional hair straighteners are usually designed in the manner of a pair of pliers, wherein the pliers jaws are designed as movable arms with integrated heatable screed plates.
  • the heat or heat emitted by the screed plates has a smoothing effect on the hair to be smoothed.
  • silicone strips are often incorporated, by means of which the pulling force acting on the hair to be smoothed when pulling the hair can be increased by acting as jaws smoothing plates, whereby the smoothing effect on the hair to be smoothed improves becomes.
  • DE102011078562A describes a straightener with silicone strips.
  • the invention is based on the general idea of at least partially forming the silicone strip for increasing the tensile force in an electrically conductive manner and connecting it to an electrical ground connection of the hair straightener via a suitable grounding device. In this way, the electrostatic charge of the hair during the smoothing at least reduced and ideally even completely avoided.
  • the electrical charge carriers generated during the electrostatic charging of the hair can be removed from the silicone strip.
  • Such removal of unwanted charge carriers requires the electrically conductive formation of the silicone strip.
  • the hair straightener according to the invention makes it possible to avoid unwanted electrical charging effects and a concomitant accumulation of electrical charge carriers in the region of the silicone strips acting as traction boosters in a technically simple and cost-effective manner.
  • This makes the provision of technically complex devices for eliminating the electrostatic charge of the hair, for example, the use of an ion generator in the hair straightener superfluous.
  • the use of carbon-based plastics with sufficient temperature resistance for use in the hair straightener is also conceivable.
  • the silicone strip may comprise an electrically conductive additive.
  • an additive may preferably be a metal, in particular copper or silver, or a carbon, in particular graphite graphene, or carbon nanotubes (CNT). Both additives are commercially available in large quantities, which reduces the production costs of the hair straightener according to the invention.
  • it may also be thought to modify the molecular structure of the base material, ie silicon or silicone, in such a way that the desired conductivity is effected.
  • the provision of an electrically conductive additive or the modification of the molecular structure of the base material is mutatis mutandis even when using o.g. Carbon-based plastics possible.
  • the additive can be applied in layers to the silicone strip and / or the additive can be embedded in the matrix of the silicone strip.
  • a conventional non-conductive silicone strip may be provided with the desired electrical conductivity by suitable coating with the additive.
  • the additive it is, however, on the other hand to provide the additive not only in the form of a surface coating, but to embed this in the entire matrix of the originally non-conductive silicone strip.
  • the grounding device may comprise in a further embodiment, an electrical line having a first and second end portion. In the region of the first end section, this electrical line can be transformed into a fastening element made of an electrically conductive material, which can be fastened or fixed to the silicone strip in an electrically conductive manner.
  • the second end portion of the electrical lead may be electrically connectable or connected to the electrical ground terminal of the hair straightener.
  • the fastening element may comprise a plate element, preferably made of a metal, which is pressed against the silicone strip by means of a pressing element, in particular a spring element, that is to say prestressed. This allows a mechanically stable and thus reliable electrical connection of the grounding device to the fastening element.
  • the fastening element can be designed as a pin-like element, in particular in the manner of a nail or a needle or a blade.
  • the pressing element can be removed in a simple manner from the fastening element, for example when the silicone strip is to be replaced.
  • the fastening element may also be formed as a nonwoven element. This allows a particularly simple mounting of the grounding device on the silicone strip.
  • the electrical grounding device also optionally electrically connected to the electrical ground terminal or with an electrical charge carrier reservoir of the Hair straightener be connected or connected. Since the hairs to be smoothed generally always have an electrically positive charge during smoothing, such a charge carrier reservoir can have negative charge carriers which then neutralize with the positive charge carriers formed on the silicone strip. This may be particularly advantageous if the electrical ground terminal can not be connected to an electrical grounding potential, for example via an electrical outlet or the like, for example, because the hair straightener is to be used mobile. In this case, the charge carrier reservoir, particularly with a reservoir of negative charge carriers, can to some extent replace the electrical ground by electrically connecting the grounding device to an electrical ground potential.
  • the hair straightener can comprise an adjusting device, by means of which a user of the hair straightener can adjust an amount of charge carriers provided in the charge carrier reservoir and transfer them to the silicone strip. In this way, the degree of neutralization of positive charge carriers occurring in hair straightening can be flexibly adjusted with negative charge carriers taken out of the carrier reservoir.
  • FIG. 1 an inventive hair straightener is shown schematically in a perspective view and designated 1.
  • the hair straightener 1 has two mutually movable arms 2, on each of which a smoothing plate 3 is arranged, of which at least one is heatable.
  • the two arms 2 can be pivotally connected to each other by means of a conventional hinge 4.
  • On the respective arm 2 at least one silicone strip 5 is arranged, which is preferably aligned parallel to the smoothing plate 3.
  • other arrangement geometries are conceivable.
  • the use of strips of carbon-based plastics with sufficient temperature resistance for use in the hair straightener is also conceivable.
  • two silicone strips 5 with respect to an axial direction A of the smoothing plate 3 are each arranged laterally offset from the smoothing plate 3 and running along the axial direction A.
  • a different number and a different arrangement geometry of the silicone strips 5 can be realized.
  • the silicone strips 5 are also shown only in one of the two arms 2.
  • the other arm 2 may have one or more such silicone strips 5.
  • the silicone strip 5 is formed at least partially electrically conductive and connected via a grounding device 6 with an electrical ground terminal 7 of the hair straightener 1.
  • This electrical connection is in the FIG. 1 for the sake of clarity, only one of the silicone strips 5 is shown.
  • the electrical ground terminal 7 is in the FIG. 1 only roughly sketched; this may be, for example, a conventional electrical connection element in the manner of an electrical socket or similar. act.
  • the electrostatic charge of the hair to be smoothed causes a correspondingly complementary electrostatic charge of the silicone strips 5.
  • electrical charge carriers which are usually positive charge carriers can be by means of the grounding device 6, since these electrically with a electrical ground terminal 7 is connected to dissipate in a simple manner, which in accordance with the unwanted charging of the hair can be largely or even completely avoided.
  • electrical earth 8 is meant an electrically conductive connection of the Haarglätters 1 with the electrical ground potential of the ground.
  • the silicone strip 5 may have an electrically conductive additive.
  • the additive may be applied in layers to the silicone strip 5 and / or be embedded in the matrix of the silicone strip 5.
  • the additive may be a metal such as copper or silver, but also a carbon, in particular graphite, graphene or carbon nanotubes (CNT).
  • the base material ie silicon or silicone
  • the provision of an electrically conductive additive or the modification of the molecular structure of the base material is mutatis mutandis also possible with the use of carbon-based plastics instead of silicone.
  • the grounding device 6 comprises an electrical line 10 having a first and second end portion 11, 12.
  • the electrical line 10 is in the region of the first end portion 11 in a in the FIG. 1 for the sake of clarity not shown, but in the detailed view of FIGS. 2 to 5 explained fastener 13 pass from an electrically conductive material.
  • the fastening element 13 is attached to the silicone strip 5 electrically conductive.
  • the second end portion 12 of the electric wire 10 is electrically connected to the electric ground terminal 7.
  • the fastening element 13 may comprise a plate element 14, for example in the manner of a simple plate, which is pressed against silicone strips 5 by means of a pressing element 15.
  • the pressing member 15 may, as in the FIG. 2 indicated schematically as a spring element, for example in the manner of a simple spring with resilient properties, be educated.
  • the pressing element 15 designed as a spring element can be supported on the respective movable arm 2 of the hair straightener 1.
  • the fastener 13 but also as in the FIG. 3 be shown formed as a pin-like element.
  • a pin-like element may be a nail, a needle or a blade 16.
  • any number of such pin-like elements can be provided in principle, which then form the fastener 13 in their entirety.
  • a pin-shaped contact pressure element 15 may be supported on the movable arm 2 or be attached thereto and partially protrude in the assembled state in the silicone strip 5.
  • the fastening element 13 may be formed as a pin-like element in the manner of a blade 16.
  • the fastener 13 as in the FIG. 5 shown as a conductive nonwoven fabric with a plurality of small threads / tips, which is placed under the silicone strip 5.
  • the fastening element 15 can also be a groove 17, provided in the movable arm 2, with an electrically conductive surface, which is connected to the end section 11 of the electrical line 10.
  • the silicone strip 5 can be fastened in the groove 17 by means of suitable additional fastening elements, for example an adhesive or the like.
  • suitable additional fastening elements for example an adhesive or the like.
  • a suitable dimensioning of the geometric dimensions of the groove 17 and the silicone strip 5 is required.
  • the electrical grounding device 6 for example by means of an electrical or electronic switch 18, optionally be electrically connected to the electrical ground terminal 7 or to an electrical charge carrier reservoir 19 in the manner of an electrical capacitor.
  • the charge carrier reservoir 19 can then "simulate" such electrical grounding and provide for neutralization of electrical charge carriers 20 accumulated on the silicone strip 5 by means of electrically complementary charge carriers 21.
  • the hair straightener 1 may comprise an adjustment device by means of which a user of the hair straightener 1 can set an amount of charge carriers 21 provided in the charge carrier reservoir 19 and transfer them to the silicone strip 5.

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  • Cosmetics (AREA)

Description

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

Haarglätter kommen zum Einsatz, wenn beispielsweise krauses oder gelocktes Kopfhaar geglättet werden soll. Herkömmliche Haarglätter sind üblicherweise in der Art einer Zange konzipiert, wobei die Zangenbacken als bewegliche Arme mit integrierten heizbaren Glättplatten ausgebildet sind. Die von den Glättplatten abgestrahlte Wärme bzw. Hitze wirkt dabei glättend auf die zu glättenden Haare. In die Glättplatten des Haarglätters oder in einem Bereich neben den Glättplatten sind häufig Silikonstreifen eingearbeitet, mittels derer die auf die zu glättenden Haare wirkende Zugkraft beim Ziehen der Haare durch die als Zangenbacken wirkenden Glättplatten erhöht werden kann, wodurch die Glättwirkung auf die zu glättenden Haare verbessert wird.Hair straighteners are used, for example, when curly or curly hair is to be smoothed. Conventional hair straighteners are usually designed in the manner of a pair of pliers, wherein the pliers jaws are designed as movable arms with integrated heatable screed plates. The heat or heat emitted by the screed plates has a smoothing effect on the hair to be smoothed. In the smoothing plates of the hair straightener or in an area next to the smoothing plates, silicone strips are often incorporated, by means of which the pulling force acting on the hair to be smoothed when pulling the hair can be increased by acting as jaws smoothing plates, whereby the smoothing effect on the hair to be smoothed improves becomes.

DE102011078562A beschreibt einen Haarglätter mit Silikonstreifen. DE102011078562A describes a straightener with silicone strips.

Ein Nachteil bei der Verwendung derartiger Silikonstreifen besteht jedoch darin, dass die zu glättenden Haare aufgrund der zusätzlichen Zugkraft auf unerwünschte Weise elektrostatisch aufgeladen werden.A disadvantage of using such silicone strips, however, is that the hair to be smoothed due to the additional tensile force in an undesirable manner electrostatically charged.

Es ist eine Aufgabe der vorliegenden Erfindung, eine verbesserte Ausführungsform für einen Haarglätter anzugeben, bei welcher der vorangehend genannte Nachteil beseitigt oder zumindest reduziert ist.It is an object of the present invention to provide an improved embodiment for a hair straightener in which the above-mentioned disadvantage is eliminated or at least reduced.

Diese Aufgabe wird gelöst durch den Gegenstand des unabhängigen Patentanspruchs 1. Bevorzugte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This object is solved by the subject matter of independent claim 1. Preferred embodiments are the subject of the dependent claims.

Die Erfindung beruht auf dem allgemeinen Gedanken, den Silikonstreifen zur Zugkrafterhöhung zumindest bereichsweise elektrisch leitend auszubilden und über eine geeignete Erdungseinrichtung mit einem elektrischen Masseanschluss des Haarglätters zu verbinden. Auf diese Weise kann die elektrostatische Aufladung der Haare während des Glättens zumindest reduziert und idealerweise sogar vollständig vermieden werden.The invention is based on the general idea of at least partially forming the silicone strip for increasing the tensile force in an electrically conductive manner and connecting it to an electrical ground connection of the hair straightener via a suitable grounding device. In this way, the electrostatic charge of the hair during the smoothing at least reduced and ideally even completely avoided.

Durch die erfindungsgemäße Erdungseinrichtung können die bei der elektrostatischen Aufladung der Haare erzeugten elektrischen Ladungsträger vom Silikonstreifen abgeführt werden. Eine solche Abführung von unerwünschten Ladungsträgern erfordert die elektrisch leitende Ausbildung des Silikonstreifens. Der erfindungsgemäße Haarglätter ermöglicht es, auf technisch einfache und kostengünstige Weise unerwünschte elektrische Aufladungseffekte und eine damit verbundene Ansammlung von elektrischen Ladungsträgern im Bereich der als Zugkraftverstärker wirkenden Silikonstreifen zu vermeiden. Dies macht die Bereitstellung von technisch aufwändigen Vorrichtungen für die Beseitigung der elektrostatischen Aufladung der Haare, beispielsweise die Verwendung eines Ionen-Generators im Haarglätter, überflüssig. Alternativ zur Verwendung von Silikonstreifen ist auch die Verwendung von kohlenstoffbasierten Kunststoffen mit für die Verwendung im Haarglätter ausreichender Temperaturbeständigkeit vorstellbar.By means of the grounding device according to the invention, the electrical charge carriers generated during the electrostatic charging of the hair can be removed from the silicone strip. Such removal of unwanted charge carriers requires the electrically conductive formation of the silicone strip. The hair straightener according to the invention makes it possible to avoid unwanted electrical charging effects and a concomitant accumulation of electrical charge carriers in the region of the silicone strips acting as traction boosters in a technically simple and cost-effective manner. This makes the provision of technically complex devices for eliminating the electrostatic charge of the hair, for example, the use of an ion generator in the hair straightener superfluous. As an alternative to the use of silicone strips, the use of carbon-based plastics with sufficient temperature resistance for use in the hair straightener is also conceivable.

In einer bevorzugten Ausführungsform kann der Silikonstreifen einen elektrisch leitfähigen Zusatzstoff aufweisen. Dies ermöglicht die Verwendung herkömmlicher Silikonstreifen, welche vor der Montage im erfindungsgemäßen Haarglätter mit dem elektrisch leitfähigen Zusatzstoff versehen werden können. Ein solcher Zusatzstoff kann vorzugsweise ein Metall, insbesondere Kupfer oder Silber, oder ein Kohlenstoff, insbesondere Graphit Graphen, oder Kohlenstoffnanoröhren (CNT), sein. Beide Zusatzstoffe sind in großen Mengen kommerziell verfügbar, was die Herstellungskosten des erfindungsgemäßen Haarglätters reduziert. Alternativ oder zusätzlich kann auch daran gedacht sein, die molekulare Struktur des Basismaterials, also Silizium bzw. Silkon, derart zu modifizieren, dass die gewünschte Leitfähigkeit bewirkt wird. Die Bereitstellung eines elektrisch leitfähigen Zusatzstoffes bzw. die Modifikation der molekularen Struktur des Basismaterials ist mutatis mutandis auch bei Verwendung von o.g. kohlenstoffbasierten Kunststoffen möglich.In a preferred embodiment, the silicone strip may comprise an electrically conductive additive. This allows the use of conventional silicone strips, which can be provided with the electrically conductive additive before mounting in the hair straightener according to the invention. Such an additive may preferably be a metal, in particular copper or silver, or a carbon, in particular graphite graphene, or carbon nanotubes (CNT). Both additives are commercially available in large quantities, which reduces the production costs of the hair straightener according to the invention. Alternatively or additionally, it may also be thought to modify the molecular structure of the base material, ie silicon or silicone, in such a way that the desired conductivity is effected. The provision of an electrically conductive additive or the modification of the molecular structure of the base material is mutatis mutandis even when using o.g. Carbon-based plastics possible.

In einer technisch besonders einfach herzustellenden Ausführungsform kann der Zusatzstoff schichtartig auf dem Silikonstreifen aufgebracht sein und/oder kann der Zusatzstoff in die Matrix des Silikonstreifens eingebettet sein. Im ersten Fall kann ein herkömmlicher nicht-leitender Silikonstreifen durch geeignete Beschichtung mit dem Zusatzstoff mit der gewünschten elektrischen Leitfähigkeit versehen werden. Für den letzteren Fall, dass besonders gute elektrische Leitungseigenschaften erwünscht sind, bietet es sich hingegen an, den Zusatzstoff nicht nur in der Form einer Oberflächenbeschichtung vorzusehen, sondern diesen in die gesamte Matrix des ursprünglich nicht-leitenden Silikonstreifens einzubetten.In an embodiment that is particularly easy to manufacture, the additive can be applied in layers to the silicone strip and / or the additive can be embedded in the matrix of the silicone strip. In the first case, a conventional non-conductive silicone strip may be provided with the desired electrical conductivity by suitable coating with the additive. For the latter case, that particularly good electrical conduction properties are desired, it is, however, on the other hand to provide the additive not only in the form of a surface coating, but to embed this in the entire matrix of the originally non-conductive silicone strip.

Um den wenigstens teilweise elektrisch leitfähigen Silikonstreifen zur Abführung der Ladungsträger auf einfache Weise mit einem elektrischen Massepotential verbinden zu können, kann die Erdungseinrichtung in einer weiterbildenden Ausführungsform eine elektrische Leitung mit einem ersten und zweiten Endabschnitt umfassen. Diese elektrische Leitung kann im Bereich des ersten Endabschnitts in ein Befestigungselement aus einem elektrisch leitenden Material übergehen, das an den Silikonstreifen elektrisch leitend befestigbar oder befestigt ist. Der zweite Endabschnitt der elektrischen Leitung kann elektrisch mit dem elektrischen Masseanschluss des Haarglätters verbindbar oder verbunden sein.In order to connect the at least partially electrically conductive silicone strip for discharging the charge carriers in a simple manner with an electrical ground potential, the grounding device may comprise in a further embodiment, an electrical line having a first and second end portion. In the region of the first end section, this electrical line can be transformed into a fastening element made of an electrically conductive material, which can be fastened or fixed to the silicone strip in an electrically conductive manner. The second end portion of the electrical lead may be electrically connectable or connected to the electrical ground terminal of the hair straightener.

In einer besonders platzsparenden Ausführungsform kann das Befestigungselement ein Plattenelement, vorzugsweise aus einem Metall, umfassen, welches mittels eines Anpresselements, insbesondere eines Federelements, gegen den Silikonstreifen gedrückt, das heißt vorgespannt wird. Dies ermöglicht eine mechanisch stabile und somit zuverlässige elektrische Verbindung der Erdungseinrichtung am Befestigungselement.In a particularly space-saving embodiment, the fastening element may comprise a plate element, preferably made of a metal, which is pressed against the silicone strip by means of a pressing element, in particular a spring element, that is to say prestressed. This allows a mechanically stable and thus reliable electrical connection of the grounding device to the fastening element.

Besonders bevorzugt kann das Befestigungselement als stiftartiges Element, insbesondere in der Art eines Nagels oder einer Nadel oder einer Klinge, ausgebildet sein. In allen vorangehend genannten Fällen lässt sich das Anpresselement auf einfache Weise vom Befestigungselement entfernen, beispielsweise wenn der Silikonstreifen ausgetauscht werden soll.Particularly preferably, the fastening element can be designed as a pin-like element, in particular in the manner of a nail or a needle or a blade. In all the above-mentioned cases, the pressing element can be removed in a simple manner from the fastening element, for example when the silicone strip is to be replaced.

In einer alternativen, weiterbildenden Ausführungsform kann das Befestigungselement auch als Vlieselement ausgebildet sein. Dies gestattet besonders einfache Montage der Erdungseinrichtung an dem Silikonstreifen.In an alternative, further embodiment, the fastening element may also be formed as a nonwoven element. This allows a particularly simple mounting of the grounding device on the silicone strip.

Zweckmäßig kann die elektrische Erdungseinrichtung auch wahlweise elektrisch mit dem elektrischen Masseanschluss oder mit einem elektrischen Ladungsträger-Reservoir des Haarglätters verbindbar oder verbunden sein. Da sich die zu glättenden Haare beim Glätten in der Regel immer elektrisch positiv aufladen, kann ein solches Ladungsträger-Reservoir negative Ladungsträger aufweisen, welche sich dann mit den auf dem Silikonstreifen gebildeten positiven Ladungsträger neutralisieren. Dies kann insbesondere dann von Vorteil sein, wenn der elektrische Masseanschluss nicht mit einem elektrischen Erdungspotential, beispielsweise über eine elektrische Steckdose oder ähnliches verbunden werden kann, beispielsweise weil der Haarglätter mobil eingesetzt werden soll. In diesem Fall kann das Ladungsträger-Reservoir, insbesondere mit einem Reservoir an negativen Ladungsträgern, bis zu einem gewissen Grad die elektrische Erdung durch elektrisches Verbinden der Erdungseinrichtung mit einem elektrischen Erdungspotential, ersetzen.Conveniently, the electrical grounding device also optionally electrically connected to the electrical ground terminal or with an electrical charge carrier reservoir of the Hair straightener be connected or connected. Since the hairs to be smoothed generally always have an electrically positive charge during smoothing, such a charge carrier reservoir can have negative charge carriers which then neutralize with the positive charge carriers formed on the silicone strip. This may be particularly advantageous if the electrical ground terminal can not be connected to an electrical grounding potential, for example via an electrical outlet or the like, for example, because the hair straightener is to be used mobile. In this case, the charge carrier reservoir, particularly with a reservoir of negative charge carriers, can to some extent replace the electrical ground by electrically connecting the grounding device to an electrical ground potential.

In einer besonders bevorzugten Ausführungsform kann der Haarglätter eine Einstelleinrichtung umfassen, mittels welcher von einem Benutzer des Haarglätters eine in dem Ladungsträger-Reservoir bereitgestellte Menge an Ladungsträgern einstellbar und auf den Silikonstreifen übertragbar ist. Auf diese Weise kann der Grad der Neutralisierung von positiven Ladungsträgern, welche beim Haarglätten auftreten, mit aus dem Ladungsträger-Reservoir entnommenen negativen Ladungsträgern auf flexible Weise eingestellt werden.In a particularly preferred embodiment, the hair straightener can comprise an adjusting device, by means of which a user of the hair straightener can adjust an amount of charge carriers provided in the charge carrier reservoir and transfer them to the silicone strip. In this way, the degree of neutralization of positive charge carriers occurring in hair straightening can be flexibly adjusted with negative charge carriers taken out of the carrier reservoir.

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 particular combination given, 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 Komponenten 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.

Es zeigen, jeweils schematisch

Fig. 1
ein Ausführungsbeispiel des erfindungsgemäßen Haarglätters,
Fig. 2
eine Detailansicht des Befestigungselement des Haarglätters der Figur 1,
Fig. 3
eine erste Variante des Befestigungselements der Figur 2,
Fig. 4
eine zweite Variante des Befestigungselements der Figur 2,
Fig. 5
eine dritte Variante des Befestigungselements der Figur 2,
Fig. 6
eine vierte Variante des Befestigungselements der Figur 2,
Fig. 7
eine Variante der Erdungseinrichtung des Haarglätters der Figur 1.
It show, each schematically
Fig. 1
an embodiment of the hair straightener according to the invention,
Fig. 2
a detailed view of the fastener of the hair straightener of FIG. 1 .
Fig. 3
a first variant of the fastener of FIG. 2 .
Fig. 4
a second variant of the fastener of FIG. 2 .
Fig. 5
a third variant of the fastener of FIG. 2 .
Fig. 6
a fourth variant of the fastener of FIG. 2 .
Fig. 7
a variant of the grounding device of the hair straightener of FIG. 1 ,

In der Figur 1 ist ein erfindungsgemäßer Haarglätter schematisch in einer perspektivischen Darstellung dargestellt und mit 1 bezeichnet. Der Haarglätter 1 weist zwei zueinander bewegliche Arme 2 auf, an denen jeweils eine Glättplatte 3 angeordnet ist, von denen zumindest eine beheizbar ist. Der Übersichtlichkeit halber ist in der Darstellung der Figur 1 nur in einem der beiden beweglichen Arme 2 eine solche Glättplatte 3 dargestellt. Die beiden Arme 2 können mittels eines herkömmlichen Scharniers 4 schwenkbar miteinander verbunden sein. Am jeweiligen Arm 2 ist wenigstens ein Silikonstreifen 5 angeordnet, welcher vorzugsweise parallel zur Glättplatte 3 ausgerichtet ist. In Varianten sind auch andere Anordnungsgeometrien vorstellbar. Alternativ zur Verwendung von Silikonstreifen 5 ist auch die Verwendung von Streifen aus kohlenstoffbasierten Kunststoffen mit für die Verwendung im Haarglätter ausreichender Temperaturbeständigkeit vorstellbar.In the FIG. 1 an inventive hair straightener is shown schematically in a perspective view and designated 1. The hair straightener 1 has two mutually movable arms 2, on each of which a smoothing plate 3 is arranged, of which at least one is heatable. For clarity, in the presentation of the FIG. 1 only in one of the two movable arms 2 such a smoothing plate 3 is shown. The two arms 2 can be pivotally connected to each other by means of a conventional hinge 4. On the respective arm 2, at least one silicone strip 5 is arranged, which is preferably aligned parallel to the smoothing plate 3. In variants, other arrangement geometries are conceivable. Alternatively to the use of silicone strips 5, the use of strips of carbon-based plastics with sufficient temperature resistance for use in the hair straightener is also conceivable.

Im Beispiel der Figur 1 sind exemplarisch zwei Silikonstreifen 5 bezüglich einer axialen Richtung A der Glättplatte 3 jeweils seitlich versetzt zur Glättplatte 3 und entlang der axialen Richtung A verlaufend angeordnet. Selbstverständlich kann in Varianten auch eine andere Anzahl und eine andere Anordnungsgeometrie der Silikonstreifen 5 realisiert sein. Der Übersichtlichkeit halber sind auch die Silikonstreifen 5 nur in einem der beiden Arme 2 dargestellt. Selbstverständlich kann aber auch der andere Arm 2 einen oder mehrere solcher Silikonstreifen 5 aufweisen.In the example of FIG. 1 By way of example, two silicone strips 5 with respect to an axial direction A of the smoothing plate 3 are each arranged laterally offset from the smoothing plate 3 and running along the axial direction A. Of course, in variants, a different number and a different arrangement geometry of the silicone strips 5 can be realized. For the sake of clarity, the silicone strips 5 are also shown only in one of the two arms 2. Of course, however, the other arm 2 may have one or more such silicone strips 5.

Der Silikonstreifen 5 ist zumindest bereichsweise elektrisch leitend ausgebildet und über eine Erdungseinrichtung 6 mit einem elektrischen Masseanschluss 7 des Haarglätters 1 verbunden. Diese elektrische Verbindung ist in der Figur 1 der Übersichtlichkeit halber nur für einen der Silikonstreifen 5 gezeigt. Der elektrische Masseanschluss 7 ist in der Figur 1 nur grobschematisch dargestellt; hierbei kann es sich beispielsweise um ein herkömmliches elektrisches Anschlusselement in der Art einer elektrischen Buchse o.ä. handeln.The silicone strip 5 is formed at least partially electrically conductive and connected via a grounding device 6 with an electrical ground terminal 7 of the hair straightener 1. This electrical connection is in the FIG. 1 for the sake of clarity, only one of the silicone strips 5 is shown. The electrical ground terminal 7 is in the FIG. 1 only roughly sketched; this may be, for example, a conventional electrical connection element in the manner of an electrical socket or similar. act.

Mittels der zumindest bereichsweise elektrisch leitenden Ausbildung der Silikonstreifen 5 und der Erdungseinrichtung 6 kann eine sich beim Glätten der Haare ausbildende elektrostatische Aufladung der Haare reduziert oder sogar vollständig vermieden werden.By means of the at least partially electrically conductive formation of the silicone strips 5 and the grounding device 6, an electrostatic charge of the hair forming during straightening of the hair can be reduced or even completely avoided.

Die elektrostatische Aufladung der zu glättenden Haare bewirkt eine entsprechend komplementäre elektrostatische Aufladung der Silikonstreifen 5. Die sich im Silikonstreifen 5 ausbildenden elektrischen Ladungsträger, bei denen es sich in der Regel um positive Ladungsträger handelt, lassen sich mittels der Erdungseinrichtung 6, da diese elektrisch mit einem elektrischen Masseanschluss 7 verbunden ist, auf einfache Weise abführen, wodurch entsprechend die unerwünschte Aufladung der Haare weitgehend oder gar vollständig vermieden werden kann. Zur Abführung von Ladungsträgern über die Erdungseinrichtung 6 und den Masseanschluss 7 muss letzterer mit einer elektrischen Erde 8 verbunden werden. Mit "elektrischer Erde 8" ist dabei eine elektrisch leitfähige Verbindung des Haarglätters 1 mit dem elektrischen Massepotential des Erdbodens gemeint.The electrostatic charge of the hair to be smoothed causes a correspondingly complementary electrostatic charge of the silicone strips 5. The forming in the silicone strip 5 electrical charge carriers, which are usually positive charge carriers can be by means of the grounding device 6, since these electrically with a electrical ground terminal 7 is connected to dissipate in a simple manner, which in accordance with the unwanted charging of the hair can be largely or even completely avoided. For the removal of charge carriers via the grounding device 6 and the ground terminal 7, the latter must be connected to an electrical earth 8. By "electrical earth 8" is meant an electrically conductive connection of the Haarglätters 1 with the electrical ground potential of the ground.

Dies kann im Praxisbetrieb des Haarglätters 1 erreicht werden, indem der Masseanschluss 7 beispielsweise elektrisch mit einer herkömmlichen Haushalts-Steckdose o.ä. verbunden wird. Dies ist in der Figur 1 grobschematisch durch den Pfeil mit dem Bezugszeichen 9 angedeutet. Um im eigentlich elektrisch nicht-leitenden Silikonstreifen 5 die gewünschte elektrische Leitfähigkeit zu erzielen, kann der Silikonstreifen 5 einen elektrisch leitfähigen Zusatzstoff aufweisen. Der Zusatzstoff kann dabei schichtartig auf dem Silikonstreifen 5 aufgebracht sein und/oder in die Matrix des Silikonstreifens 5 eingebettet sein. Der Zusatzstoff kann ein Metall wie beispielsweise Kupfer oder Silber sein, aber auch ein Kohlenstoff, insbesondere Graphit, Graphen oder Kohlenstoffnanoröhren (CNT), sein. Alternativ oder zusätzlich kann auch daran gedacht sein, die molekulare Struktur des Basismaterials, also Silizium bzw. Silkon, derart zu modifizieren, dass die gewünschte elektrische Leitfähigkeit bewirkt wird. Die Bereitstellung eines elektrisch leitfähigen Zusatzstoffes bzw. die Modifikation der molekularen Struktur des Basismaterials ist mutatis mutandis auch bei Verwendung von kohlenstoffbasierten Kunststoffen anstelle von Silikon möglich.This can be achieved in practice of the hair straightener 1 by the ground terminal 7, for example, electrically or the like with a conventional household socket. is connected. This is in the FIG. 1 roughly indicated by the arrow with the reference numeral 9. In order to achieve the desired electrical conductivity in the actually electrically non-conductive silicone strip 5, the silicone strip 5 may have an electrically conductive additive. The additive may be applied in layers to the silicone strip 5 and / or be embedded in the matrix of the silicone strip 5. The additive may be a metal such as copper or silver, but also a carbon, in particular graphite, graphene or carbon nanotubes (CNT). Alternatively or additionally, it may also be thought to modify the molecular structure of the base material, ie silicon or silicone, in such a way that the desired electrical conductivity is effected. The provision of an electrically conductive additive or the modification of the molecular structure of the base material is mutatis mutandis also possible with the use of carbon-based plastics instead of silicone.

Aus der Figur 1 lässt sich entnehmen, dass die Erdungseinrichtung 6 eine elektrische Leitung 10 mit einem ersten und zweiten Endabschnitt 11, 12 umfasst. Die elektrische Leitung 10 geht im Bereich des ersten Endabschnitts 11 in ein in der Figur 1 der Übersichtlichkeit halber nicht dargestelltes, aber in der Detailansicht der Figuren 2 bis 5 erläutertes Befestigungselement 13 aus einem elektrisch leitenden Material übergehen. Das Befestigungselement 13 ist an dem Silikonstreifen 5 elektrisch leitend befestigt. Der zweite Endabschnitt 12 der elektrischen Leitung 10 ist elektrisch mit dem elektrischen Masseanschluss 7 verbunden.From the FIG. 1 It can be seen that the grounding device 6 comprises an electrical line 10 having a first and second end portion 11, 12. The electrical line 10 is in the region of the first end portion 11 in a in the FIG. 1 for the sake of clarity not shown, but in the detailed view of FIGS. 2 to 5 explained fastener 13 pass from an electrically conductive material. The fastening element 13 is attached to the silicone strip 5 electrically conductive. The second end portion 12 of the electric wire 10 is electrically connected to the electric ground terminal 7.

In der Darstellung der Figur 2 ist eine mögliche technische Realisierung des Befestigungselements 13 grobschematisch dargestellt. Demnach kann das Befestigungselement 13 ein Plattenelement 14, beispielsweise in der Art eines einfachen Plättchens, umfassen, welches mittels eines Anpresselements 15 gegen Silikonstreifen 5 gedrückt wird. Das Anpresselement 15 kann wie in der Figur 2 schematisch angedeutet als Federelement, beispielsweise in der Art einer einfachen Feder mit federelastischen Eigenschaften, ausgebildet sein. Das als Federelement ausgebildete Anpresselement 15 kann sich an dem jeweiligen beweglichen Arm 2 des Haarglätters 1 abstützen.In the presentation of the FIG. 2 a possible technical realization of the fastener 13 is shown roughly schematically. Accordingly, the fastening element 13 may comprise a plate element 14, for example in the manner of a simple plate, which is pressed against silicone strips 5 by means of a pressing element 15. The pressing member 15 may, as in the FIG. 2 indicated schematically as a spring element, for example in the manner of a simple spring with resilient properties, be educated. The pressing element 15 designed as a spring element can be supported on the respective movable arm 2 of the hair straightener 1.

Alternativ zur Ausbildung als Federelement kann das Befestigungselement 13 aber auch wie in der Figur 3 gezeigt als stiftartiges Element ausgebildet sein. Insbesondere kann ein solches stiftartiges Element ein Nagel, eine Nadel oder eine Klinge 16 sein. Selbstverständlich kann grundsätzlich eine beliebige Anzahl an solchen stiftartigen Elementen vorgesehen sein, welche in ihrer Gesamtheit dann das Befestigungselement 13 ausbilden. Auch ein stiftartig ausgebildetes Anpresselement 15 kann sich an dem beweglichen Arm 2 abstützen oder an diesem befestigt sein und im montierten Zustand teilweise in den Silikonstreifen 5 hineinragen.Alternatively to the design as a spring element, the fastener 13 but also as in the FIG. 3 be shown formed as a pin-like element. In particular, such a pin-like element may be a nail, a needle or a blade 16. Of course, any number of such pin-like elements can be provided in principle, which then form the fastener 13 in their entirety. Also, a pin-shaped contact pressure element 15 may be supported on the movable arm 2 or be attached thereto and partially protrude in the assembled state in the silicone strip 5.

In einer weiteren, in der Figur 4 gezeigten Variante kann das Befestigungselement 13 als stiftartiges Element in der Art einer Klinge 16 ausgebildet sein.In another, in the FIG. 4 the variant shown, the fastening element 13 may be formed as a pin-like element in the manner of a blade 16.

Ebenso ist es vorstellbar, das Befestigungselement 13 wie in der Figur 5 gezeigt als leitfähiges Vlies mit einer Mehrzahl von kleinen Fäden/Spitzen auszubilden, welches unter den Silikonstreifen 5 gelegt wird.It is also conceivable, the fastener 13 as in the FIG. 5 shown as a conductive nonwoven fabric with a plurality of small threads / tips, which is placed under the silicone strip 5.

In einer in der Figur 6 gezeigten Variante kann das Befestigungselement 15 auch eine im beweglichen Arm 2 vorgesehene Nut 17 mit einer elektrisch leitfähigen Oberfläche sein, welche mit dem Endabschnitt 11 der elektrischen Leitung 10 verbunden ist. Der Silikonstreifen 5 kann mittels geeigneter zusätzlicher Befestigungselemente, beispielsweise einem Klebstoff o.ä., in der Nut 17 befestigt werden. Insbesondere kann daran gedacht sein, die Nut 17 nur abschnittsweise elektrisch leitend auszubilden, und in einem dazu komplementären Abschnitt Klebstoff o.ä. vorzusehen. Auch kann daran gedacht sein, den Silikonstreifen 5 in die Nut 17 einzuklemmen. Hierzu ist eine geeignete Dimensionierung der geometrischen Abmessungen der Nut 17 und des Silikonstreifens 5 erforderlich.In one in the FIG. 6 In the variant shown, the fastening element 15 can also be a groove 17, provided in the movable arm 2, with an electrically conductive surface, which is connected to the end section 11 of the electrical line 10. The silicone strip 5 can be fastened in the groove 17 by means of suitable additional fastening elements, for example an adhesive or the like. In particular, it may be thought to form the groove 17 only partially electrically conductive, and in a complementary section adhesive o.ä. provided. Also, it may be thought to pinch the silicone strip 5 in the groove 17. For this purpose, a suitable dimensioning of the geometric dimensions of the groove 17 and the silicone strip 5 is required.

In einer in der Figur 7 gezeigten Variante, welche mittels mit allen in vorangehend erläuterten Varianten gemäß der Figuren 2 bis 6 kombinierbar ist, kann die elektrische Erdungseinrichtung 6, beispielsweise mittels eines elektrischen oder elektronischen Schalters 18, wahlweise elektrisch mit dem elektrische Masseanschluss 7 oder mit einem elektrischen Ladungsträger-Reservoir 19 in der Art eines elektrischen Kondensators verbindbar sein. Dies bietet sich insbesondere dann an, wenn der erfindungsgemäße Haar-glätter 1 im Praxisbetrieb nicht ohne weiteres mit einer elektrischen Erde 8 verbunden werden kann. Das Ladungsträger-Reservoir 19 kann dann eine solche elektrische Erdung "simulieren" und für eine Neutralisierung von auf dem Silikonstreifen 5 angesammelten elektrischen Ladungsträgern 20 durch elektrisch komplementäre Ladungsträger 21 sorgen.In one in the FIG. 7 shown variant, which by means of all previously discussed variants according to the FIGS. 2 to 6 can be combined, the electrical grounding device 6, for example by means of an electrical or electronic switch 18, optionally be electrically connected to the electrical ground terminal 7 or to an electrical charge carrier reservoir 19 in the manner of an electrical capacitor. This is particularly useful when the hair straightener 1 according to the invention can not be easily connected to an electrical ground 8 in practice. The charge carrier reservoir 19 can then "simulate" such electrical grounding and provide for neutralization of electrical charge carriers 20 accumulated on the silicone strip 5 by means of electrically complementary charge carriers 21.

Der Haarglätter 1 kann eine Einstelleinrichtung umfassen, mittels welcher von einem Benutzer des Haarglätters 1 eine im Ladungsträger-Reservoir 19 bereitgestellte Menge an Ladungsträgern 21 einstellbar und auf den Silikonstreifen 5 übertragbar ist.The hair straightener 1 may comprise an adjustment device by means of which a user of the hair straightener 1 can set an amount of charge carriers 21 provided in the charge carrier reservoir 19 and transfer them to the silicone strip 5.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Haarglätterhair straightener
22
beweglicher Armmovable arm
33
Glättplattesmoothing plate
44
Scharnierhinge
55
Silikonstreifensilicone strips
66
Erdungseinrichtunggrounding device
77
Masseanschlussground connection
88th
elektrische Erdeelectrical earth
99
Pfeilarrow
1010
elektrische Leitungelectrical line
1111
erster Endabschnittfirst end section
1212
zweiter Endabschnittsecond end section
1313
Befestigungselementfastener
1414
Plattenelementpanel member
1515
Anpresselementpresser
1616
Klingeblade
1717
Nutgroove
1818
elektrischer Schalterelectrical switch
1919
Ladungsträger-ReservoirCarrier reservoir
2020
Ladungsträgercharge carrier
2121
komplementäre Ladungsträgercomplementary charge carriers
2222
Einstelleinrichtungadjustment

Claims (10)

  1. Hair straighteners (1),
    - having two arms (2) that can move relative to one another, on which a smoothing plate (3) is arranged in each case, of which at least one can be heated,
    - having at least one silicon strip (5) arranged on the respective (2) arm and preferably in parallel with the smoothing plate (3), by means of which a certain tensile force can be applied to the hair when the hair is being straightened,
    characterised in that
    the silicon strip (5) is embodied to be electrically conducting at least in regions and can be or is connected to an electrical ground connection (7) of the hair straighteners (1) by way of an earthing device (6), as a result of which the electrostatic charge of the hair can at least be reduced during the straightening process.
  2. Hair straighteners according to claim 1, characterised in that the silicon strip (5) has an electrically conductive additive.
  3. Hair straighteners according to claim 2, characterised in that the additive is a metal, in particular copper or silver, or a carbon, in particular graphite, grapheme or a carbon nanotube (CNT).
  4. Hair straighteners according to claim 2 or 3, characterised in that
    - the additive is applied in layers to the silicon strip (5), or
    - the additive is embedded in the matrix of the silicon strip (5).
  5. Hair straighteners according to one of the preceding claims, characterised in that the earthing device (6) comprises an electrical line (10) with a first and a second end segment (11, 12), which, in the region of the first end segment (11) passes into a mounting element (13) made of electrically conducting material, which is mounted on the silicon strip (5) in an electrically conducting manner, wherein the second end segment (12) of the electrical line (10) is electrically connected to the electrical ground connection (7) of the hair straighteners (1).
  6. Hair straighteners according to claim 5, characterised in that the mounting element (13) comprises a plate element (14), preferably made of a metal, which is prestressed against the silicon strip (5) by means of a pressure element (15), in particular a spring element.
  7. Hair straighteners according to claim 5 or 6, characterised in that the mounting element (13) is embodied as a pin-type element, in particular in the manner of a nail or a needle or a blade (16).
  8. Hair straighteners according to one of claims 5 to 7, characterised in that the mounting element (13) is embodied as a fleece element.
  9. Hair straighteners according to one of the preceding claims, characterised in that the electrical earthing device (6) can be or is optionally electrically connected to the electrical ground connection (7) or to an electrical charge carrier reservoir (19) of the hair straighteners (1).
  10. Hair straighteners according to claim 9, characterised in that the hair straighteners (1) comprise a setting device (22), by means of which a quantity of charge carriers (21) provided in the charge carrier reservoir (19) by a user of the hair straighteners (1) can be set and transferred to the silicon strip (5).
EP14152263.1A 2013-01-24 2014-01-23 Hair straightener Not-in-force EP2759224B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013201105.9A DE102013201105A1 (en) 2013-01-24 2013-01-24 hair straightener

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EP2759224A1 EP2759224A1 (en) 2014-07-30
EP2759224B1 true EP2759224B1 (en) 2016-01-20

Family

ID=49958386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14152263.1A Not-in-force EP2759224B1 (en) 2013-01-24 2014-01-23 Hair straightener

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DE (1) DE102013201105A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3821751A1 (en) 2019-11-12 2021-05-19 Koninklijke Philips N.V. Haircare device
DE112020005530T5 (en) 2019-11-12 2022-08-25 Koninklijke Philips N.V. HAIR CARE DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007035247A1 (en) * 2007-07-27 2009-02-19 Braun Gmbh Hair care device
US8875717B2 (en) * 2010-04-05 2014-11-04 Spectrum Brands, Inc. Static dissipative personal care apparatus for grooming hair
DE102011078562A1 (en) * 2011-07-01 2013-01-03 BSH Bosch und Siemens Hausgeräte GmbH Heated hair styling device

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