EP2926681B1 - Hair straightener - Google Patents
Hair straightener Download PDFInfo
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- EP2926681B1 EP2926681B1 EP15161766.9A EP15161766A EP2926681B1 EP 2926681 B1 EP2926681 B1 EP 2926681B1 EP 15161766 A EP15161766 A EP 15161766A EP 2926681 B1 EP2926681 B1 EP 2926681B1
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- EP
- European Patent Office
- Prior art keywords
- hair
- hair straightener
- moisture
- transparent element
- straightener
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- 210000004209 hair Anatomy 0.000 title claims description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000009499 grossing Methods 0.000 claims description 13
- 229920002492 poly(sulfone) Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000005388 borosilicate glass Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 240000002853 Nelumbo nucifera Species 0.000 claims description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 2
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- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
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- 125000001174 sulfone group Chemical group 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 239000004695 Polyether sulfone Substances 0.000 description 5
- 229920006393 polyether sulfone Polymers 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000005923 long-lasting effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 206010019049 Hair texture abnormal Diseases 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 102000011782 Keratins Human genes 0.000 description 2
- 108010076876 Keratins Proteins 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
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- 238000001179 sorption measurement Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 125000003275 alpha amino acid group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
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- -1 for example Polymers 0.000 description 1
- 239000003676 hair preparation Substances 0.000 description 1
- 229920006258 high performance thermoplastic Polymers 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N hydrofluoric acid Substances F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
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- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
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Images
Classifications
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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
- A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
- A45D2/001—Hair straightening appliances
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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
- A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
- A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D2001/002—Accessories therefor
Definitions
- the sensor device has at least one transparent element, which is arranged parallel to a smoothing plate on the outside of a longitudinal side of the hair straightener and on which a moisture precipitate in the form of water vapor or condensate can be seen.
- a moisture precipitate in the form of water vapor or condensate means the leakage of free water from the hair through the introduced into the hair by means of Haarglätters heat energy, the user is immediately apparent in the presence or visible of water vapor or condensate that to be smoothed Hair still contains free water and thus a limited hair style result with reduced durability is achievable.
- the transparent element thus makes visible the free water still present in the hair, so that the user can decide immediately whether she smoothes the hair to be smoothed again or undergoes drying beforehand.
- a plastic for at least one of the transparent elements is also conceivable, in particular a plastic such as, for example, polysulfone or polyethersulfone.
- Polysulfone (PSU) is an amorphous high-performance thermoplastic that belongs to the group of high-temperature-resistant plastics, crystal-clear with a slight yellow cast and a temperature resistance of up to 190 ° C. Polysulfone also has a high chemical resistance.
- polyethersulfone (PESU) is transparent, hydrolysis resistant and chemically resistant and therefore particularly suitable for use in high temperature loaded application.
- the transparent elements 8 are arranged outside the hair straightener 1, that is to say in parallel on the outside of the arms 2, 3, so that a user has an unobstructed view of them.
- a direct contact between the hair 6 and the transparent element 8 is not required, since it is sufficient to make visible the water vapor or the condensate 9 on the transparent element 8 can. If no water vapor and no condensate 9 are visible and at the same time the temperature is set correctly, this means that the hair to be reshaped 6 has the correct moisture content. On the other hand, this may also mean that the set temperature is too low, the pull-through speed too high and thus the heating due to the low heat transfer of the hair 6 for a longer durable forming too low. The user must therefore adjust the pull-through speed or increase the set temperature.
Description
Die vorliegende Erfindung betrifft einen Haarglätter gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a hair straightener according to the preamble of claim 1.
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 und über die zu glättenden Haare gezogen.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 these are placed in an open state of the two arms between the two smoothing plates and then transferred the two arms in a closed state and pulled over the hair to be smoothed.
Um Haare mit einem solchen Haarglätter wirkungsvoll umformen zu können, sind eine gewisse Zugkraft auf das Haar, eine gewisse Einwirkungszeit sowie vor allem hohe Temperaturen notwendig.In order to effectively transform hair with such a hair straightener, a certain pulling force on the hair, a certain exposure time and especially high temperatures are necessary.
Die Erwärmung bzw. Erhitzung der Haare ist erforderlich, um Wasserstoffbrückenbindungen und Salzbrücken im Haarprotein, dem sogenannten Keratin, zu lösen. Die Wasserstoffbrücken bilden sich in bestimmten Abständen zwischen den N-H- und C=O-Gruppen der Aminosäureketten und bilden so die helixartige Struktur des sehr stabilen Keratinmoleküls. Wird das Haar während der Abkühlung mit beiden Armen des Haarglätters unter Zug gehalten, also geglättet, können sich diese zuvor gelösten Bindungen neu, das heißt mit neuen Bindungspartnern bilden. Das Resultat ist temporär umgeformtes, im Fall des verwendeten Haarglätters, glattes Haar. Die gleiche Prozedur wird selbstverständlich auch beim Umformen von glatten Haaren in eine gewellte bzw. gelockte Form, z.B. mittels eines Lockenstabes, durchlaufen. Es wird deutlich, dass eine Erhitzung der Haare für eine temporäre Umformung mittels der entsprechenden Geräte, wie z.B. einem Lockenstab oder einem Haarglätter, somit zwingend erforderlich ist.The heating or heating of the hair is required to dissolve hydrogen bonds and salt bridges in the hair protein, called keratin. The hydrogen bonds form at intervals between the N-H and C = O groups of the amino acid chains, forming the helical structure of the very stable keratin molecule. If the hair during cooling with both arms of the hair straightener held under train, so smoothed, these previously dissolved bonds can be new, that is to form with new binding partners. The result is temporarily reshaped, in the case of the hair straightener used, straight hair. Of course, the same procedure will also be used when forming smooth hair into a corrugated form, e.g. by means of a curling iron. It will be apparent that heating of the hair for temporary forming by means of the appropriate equipment, e.g. a curling iron or a straightener, so it is imperative.
Konventionelle Haarstylinggeräte arbeiten dabei mit Temperaturen bis zu 200 °C, wobei Geräte für den professionellen Anwender auf Temperaturen bis zu 230 °C einstellbar sind. Diese temporäre Methode der Haarformung hält - im Gegenstand zu den chemischen Methoden - wie z.B. Dauerwelle oder Relaxer, jedoch nur für eine relativ kurze Dauer. Viele Anwenderinnen beklagen sich bei insbesondere feuchter Witterung mit entsprechender hoher relativer Luftfeuchte über einen drastische Verschlechterung des mit einem solchen Haarglätter oder Lockenstab erzielten Frisurergebnisses. Zuvor geglättete bzw. gelockte Haare werden bei Kontakt mit Feuchtigkeit, sei es durch die Absorption von Wasser aufgrund der hohen Luftfeuchtigkeit oder durch direktes Befeuchten der Haare durch Regen wieder gewellt bzw. begradigt. Durch die Wasseraufnahme werden die mittels Hitze neu erzeugten Wasserstoffbrückenbindungen geschwächt bzw. zerstört, da genügend freies Wasser im Haar vorliegt, das mit den bestehenden Wasserstoffbrückenbindungen interagieren kann und diese schwächt bzw. löst. Das Haar nimmt mehr und mehr seine ursprüngliche Form an.Conventional hair styling devices work with temperatures up to 200 ° C, with devices for the professional user at temperatures up to 230 ° C are adjustable. This temporary method of hair styling holds in the object to the chemical Methods - such as Perm or Relaxer, but only for a relatively short duration. Many users complain in particular humid weather with corresponding high relative humidity over a drastic deterioration of hair styling achieved with such a hair straightener or curling iron. Previously smoothed or curly hair on contact with moisture, be it by the absorption of water due to the high humidity or by direct moistening of the hair by rain again curled or straightened. Water absorption weakens or destroys the newly created hydrogen bonds due to heat, as there is sufficient free water in the hair that can interact with and weaken or dissolve the existing hydrogen bonds. The hair takes more and more its original shape.
Aufgrund der vorangegangenen Ausführungen ist es deshalb äußerst wichtig, dass das im Haar lokalisierte freie Wasser entfernt wird, um dadurch die Haarformung besser stabilisieren zu können und auch eine längere Haltbarkeit zu erzielen. Die längere Haltbarkeit der Umformung kann dabei gesteigert werden, in dem dem Haar möglichst viel Wasser entzogen wird.Because of the foregoing, it is therefore extremely important that the free water localized in the hair is removed in order to better stabilize the hair shaping and also to achieve a longer shelf life. The longer shelf life of the forming process can be increased by removing as much water as possible from the hair.
Neben der verbesserten Haltbarkeit der Umformung der Haare in vergleichsweise trockenem Zustand ist es auch bekannt, dass eine Haarbehandlung oberhalb von 150 °C im feuchten Zustand, das heißt auch im handtuchtrockenen Zustand, zu einer gravierenden Schädigung des Haares führen kann und deshalb unbedingt vermieden werden muss. Aus diesem Grund sollten Haarstylinggeräte, wie beispielsweise Haarglätter, die mit einer Temperatur oberhalb von 150 °C arbeiten nur im trockenen Haar, angewendet werden, dass keinesfalls noch fühlbar feucht ist. Vielmehr muss es eine Feuchte aufweisen, die sich bei den üblichen Umgebungsbedingungen einstellt. Wurde das Haar zuvor gewaschen, ist es zum weiteren Umformen empfehlenswert und bei Verwendung entsprechender Haarstylinggeräte sogar erforderlich, das Haar beispielsweise mittels herkömmlicher Haartrockner vorzutrocknen, bis der Großteil der Feuchtigkeit entfernt ist.In addition to the improved durability of the deformation of the hair in a relatively dry state, it is also known that a hair treatment above 150 ° C in the wet state, that is also in the towel-dry state, can lead to serious damage to the hair and therefore must be avoided , For this reason, hair styling devices such as hair straighteners that work at a temperature above 150 ° C should only be used in dry hair, which is by no means felt to be moist. Rather, it must have a humidity that sets in the usual environmental conditions. If the hair has previously been washed, it is advisable to further reshape it and, with the use of appropriate hair styling equipment, it may even be necessary to pre-dry the hair, for example by means of conventional hair driers, until most of the moisture has been removed.
Aus der
Trockenes Haar kann dabei als "trocken" definiert werden, wenn sich das Gleichgewicht durch Adsorption und Absorption von Feuchtigkeit ausgehend von übertrocknetem Haar bzw. Desorption ausgehend von nassem/feuchtem Haar zur Umgebung eingestellt hat. Trockenes Haar besitzt bei den in Mitteleuropa üblichen Umgebungs- und Raumluftbedingungen einen durchschnittlichen Wassergehalt von ca. 15%. Bei einer sehr hohen Luftfeuchte von bis zu 100% stellt sich ein maximal möglicher Feuchtigkeitsgehalt von ca. 30% ein. Je nach umgebener Luftfeuchte ist das Haar in unterschiedlicher Form und mit unterschiedlichen Bindungsenergien im Haar gebunden. Bei einer relativen Feuchte zwischen 5 und 75% ist das Wasser gemäß der Literatur unter anderem an bereits gebundenes Wasser gebunden. Somit liegt bereits freies Wasser in Form einer multi-molekularen Belegung mit Wasser vor, was bedeutet, dass eine bereits vorher adsorbierte Schicht als Substrat für weitere Adsorptionen dienten kann. Bildlich kann man sich hierzu mehrere übereinander liegende Schichten Wasser vorstellen. Ab 75% relativer Feuchte formen sich die Wassermoleküle zu sogenannten Clustern, das heißt sie bilden große Molekülverbände. Das freie Wasser kann mit den die Frisur fixierenden Wasserstoffbrücken interagieren und macht das Haar elastischer und plastischer, das heißt die Kraft, die für eine bestimmte Dehnung aufgewendet werden muss, ist umso geringer, je mehr Feuchtigkeit im Haar zur Verfügung steht. Das Haar neigt vermehrt zum Fließen und demzufolge ist auch die Haltbarkeit der hitzeinduzierten Frisur stark reduziert.Dry hair can be defined as "dry" when equilibrium has been established by adsorption and absorption of moisture from overdried hair or desorption from wet / damp hair to the environment. Dry hair has the usual ambient and indoor air conditions in Central Europe an average water content of about 15%. With a very high air humidity of up to 100%, the maximum possible moisture content is approx. 30%. Depending on the surrounding humidity, the hair is bound in different forms and with different binding energies in the hair. At a relative humidity of between 5 and 75%, according to the literature, the water is bound to already bound water, among other things. Thus, there is already free water in the form of a multi-molecular occupancy with water, which means that a previously adsorbed layer can serve as a substrate for further adsorptions. Figuratively, one can imagine several superimposed layers of water. From 75% relative humidity, the water molecules form into so-called clusters, ie they form large molecular assemblies. The free water can interact with hairstyle fixing hydrogen bonds, making the hair more elastic and plastic, meaning that the more moisture there is in the hair, the lower the force that needs to be expended for a certain amount of stretch. The hair tends to flow more and therefore the durability of the heat-induced hairstyle is greatly reduced.
Die vorliegende Erfindung beschäftigt sich daher mit dem Problem, für einen Haarglätter der gattungsgemäßen Art eine verbesserte oder zumindest eine alternative Ausführungsform anzugeben, mittels welcher ein deutlich verbessertes Frisurergebnis erzielt werden kann, indem der jeweiligen Anwenderin des Haarglätters zusätzliche Informationen bereitgestellt werden.The present invention therefore deals with the problem of providing for a hair straightener of the generic type an improved or at least one alternative embodiment, by means of which a significantly improved hair style result can be achieved by providing additional information to the respective user of the hair straightener.
Dieses Problem wird erfindungsgemäß durch den Gegenstand des unabhängigen Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This problem is solved according to the invention by the subject matter of independent claim 1. Advantageous embodiments are the subject of the dependent claims.
Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, bei einem an sich bekannten Haarglätter mit zwei gelenkig aneinander gelagerten Armen, eine Sensoreinrichtung zur Erfassung eines Feuchtezustands der durch den Haarglätter gezogenen Haare vorzusehen, um damit einer Anwenderin unmittelbar anzuzeigen, ob der für ein optimales Frisurergebnis erforderliche maximale Feuchtegehalt nicht überschritten wird. Mittels der Sensoreinrichtung ist es einer Anwenderin des erfindungsgemäßen Haarglätters vergleichsweise einfach möglich, zu erkennen, ob das zu glättende Haar trocken ist und damit optimal und langanhaltend umgeformt werden kann. Um ein solches langanhaltendes Frisurergebnis erreichen zu können, sollte ein Großteil des freien Wassers aus dem Haar entfernt werden. Je trockener das zu glättende Haar ist, umso länger dauert es, bis sich das Gleichgewicht zur umgebenden Luftfeuchte wieder einstellt und die die Frisur fixierenden Wasserstoffbrücken lösen bzw. schwächen kann. Der Anwenderin des erfindungsgemäßen Haarglätters wird dabei eine optische, das heißt visuelle Anzeige bereit gestellt, ob das zu glättende Haar noch freies Wasser enthält und dadurch unter Umständen nochmals geglättet bzw. noch vor einem nochmaligen Glätten getrocknet werden muss. Durch die erfindungsgemäß hierfür vorgesehene Sensoreinrichtung kann die Anwenderin jedoch leicht erkennen, ob freies Wasser im Haar noch vorhanden ist oder ob dieses bereits so trocken ist, dass es nicht nur wirkungsvoll, sondern auch langanhaltend umgeformt werden kann.The present invention is based on the general idea, in a hair straightener known per se with two arms articulated arms, to provide a sensor device for detecting a moisture state of the hair straightened by the hair straightener, so as to directly indicate to a user whether it is necessary for an optimal hairdressing result maximum moisture content is not exceeded. By means of the sensor device, it is relatively easy for a user of the hair straightener according to the invention to recognize whether the hair to be straightened is dry and can thus be optimally and long-lasting reshaped. To such a long-lasting Hairdressing result should be able to remove much of the free water from the hair. The drier the hair to be smoothed, the longer it takes until the equilibrium with the surrounding air humidity sets in again and the hairstyles fixing the hairstyle can loosen or weaken. In this case, the user of the hair straightener according to the invention is provided with an optical, that is to say visual indication, whether the hair to be straightened still contains free water and, as a result, may need to be further smoothed or even dried before being smoothed again. However, by means of the sensor device provided according to the invention, the user can easily recognize whether free water is still present in the hair or whether it is already so dry that it can be transformed not only effectively but also long-lasting.
Erfindungsgemäß weist die Sensoreinrichtung zumindest ein transparentes Element auf, welches parallel zu einer Glättplatte außen an einer Längsseite des Haarglätters angeordnet ist und an welchem ein Feuchteniederschlag in Form von Wasserdampf oder Kondensat erkennbar ist. Ein derartiger Feuchteniederschlag in Form von Wasserdampf oder Kondensat bedeutet das Austreten von freiem Wasser aus dem Haar durch die in das Haar mittels des Haarglätters eingebrachte Wärmeenergie, wobei der Anwenderin bei Auftreten bzw. sichtbar werden von Wasserdampf oder Kondensat sofort klar ist, dass das zu glättende Haar noch freies Wasser enthält und dadurch ein lediglich eingeschränktes Frisurergebnis mit reduzierter Haltbarkeit erreichbar ist. Das transparente Element macht somit das noch im Haar vorhandene freie Wasser unmittelbar sichtbar, so dass die Anwenderin sofort entscheiden kann, ob sie das zu glättende Haar nochmals glättet oder aber zuvor einer Trocknung unterzieht.According to the invention, the sensor device has at least one transparent element, which is arranged parallel to a smoothing plate on the outside of a longitudinal side of the hair straightener and on which a moisture precipitate in the form of water vapor or condensate can be seen. Such a moisture precipitate in the form of water vapor or condensate means the leakage of free water from the hair through the introduced into the hair by means of Haarglätters heat energy, the user is immediately apparent in the presence or visible of water vapor or condensate that to be smoothed Hair still contains free water and thus a limited hair style result with reduced durability is achievable. The transparent element thus makes visible the free water still present in the hair, so that the user can decide immediately whether she smoothes the hair to be smoothed again or undergoes drying beforehand.
Zweckmäßig weist die Sensoreinrichtung zwei transparente Elemente auf, welche parallel zu einer Glättplatte jeweils außen an einem Arm des Haarglätters angeordnet sind und an welchen ein Feuchteniederschlag in Form von Wasserdampf oder Kondensat erkennbar ist. Um eine möglichst leichte Handhabbarkeit des erfindungsgemäßen Haarglätters zu gewährleisten, sind vorzugsweise zwei transparente Elemente vorgesehen, so dass unabhängig von der Zugrichtung vergleichsweise einfach ein Beschlagen des jeweiligen transparenten Elements erkennbar ist.Expediently, the sensor device has two transparent elements, which are arranged parallel to a screed plate in each case on the outside of an arm of the hair straightener and on which a moisture precipitate in the form of water vapor or condensate can be seen. In order to ensure the easiest possible handling of the hair straightener according to the invention, two transparent elements are preferably provided, so that, regardless of the pulling direction, fogging of the respective transparent element can be detected comparatively easily.
Bei einer weiteren vorteilhaften Ausführungsform der erfindungsgemäßen Lösung ist zumindest ein transparentes Element aus Quarzglas oder aus Borosilikatglas ausgebildet. Quarzglas bietet dabei den großen Vorteil, dass es abgesehen von Fluss- und Phosphorsäure chemisch resistent gegen eine Vielzahl an erhältlicher Haarkosmetika ist und zudem einen sehr geringen Wärmeausdehnungskoeffizienten aufweist, was zu einer hohen Thermoschock-Resistenz führt. Des Weiteren weist Quarzglas eine sehr geringe Wärmeleitfähigkeit auf, die um ca. zwei Größenordnung niedriger liegt als die eines herkömmlichen Glättplattenmaterials in Form einer Aluminiumlegierung. Das alternativ angeführte Borosilikatglas weist ähnliche Eigenschaften auf und ist ebenfalls sehr beständig gegenüber plötzlichen Temperaturschwankungen und Chemikalien.In a further advantageous embodiment of the solution according to the invention, at least one transparent element made of quartz glass or borosilicate glass is formed. Quartz glass offers the great advantage that it is chemically resistant to a variety of available hair cosmetics apart from hydrofluoric and phosphoric acid and also has a very low coefficient of thermal expansion, resulting in a high thermal shock resistance. Furthermore, quartz glass has a very low thermal conductivity, which is about two orders of magnitude lower than that of a conventional smoothing plate material in the form of an aluminum alloy. The alternative borosilicate glass has similar properties and is also very resistant to sudden temperature fluctuations and chemicals.
Alternativ zu den in den vorherigen Absätzen erwähnten Elementen aus Glas ist auch der Einsatz eines Kunststoffs für zumindest eines der transparenten Elemente denkbar, insbesondere ein Kunststoff, wie beispielsweise Polysulfon oder Polyethersulfon. Polysulfon (PSU) ist ein zur Gruppe der hochtemperaturbeständigen Kunststoffe zählender amorpher Hochleistungsthermoplast, glasklar mit einem leichten Gelbstich und einer Temperaturbeständigkeit von bis zu 190 °C. Polysulfon besitzt darüber hinaus eine hohe Chemikalienbeständigkeit. Auch Polyethersulfon (PESU) ist transparent, hydrolysefest und chemisch beständig und deshalb für den Einsatz in Hochtemperatur belastetem Anwendungsbereich besonders geeignet.As an alternative to the elements of glass mentioned in the preceding paragraphs, the use of a plastic for at least one of the transparent elements is also conceivable, in particular a plastic such as, for example, polysulfone or polyethersulfone. Polysulfone (PSU) is an amorphous high-performance thermoplastic that belongs to the group of high-temperature-resistant plastics, crystal-clear with a slight yellow cast and a temperature resistance of up to 190 ° C. Polysulfone also has a high chemical resistance. Also polyethersulfone (PESU) is transparent, hydrolysis resistant and chemically resistant and therefore particularly suitable for use in high temperature loaded application.
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 indicated 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 erfindungsgemäßen Haarglätter in unterschiedlichen Seitenansichten,
- Fig. 2
- einen erfindungsgemäßen Haarglätter in einer Draufsicht,
- Fig. 3, 4
- jeweils Darstellungen wie in
Fig. 2 , jedoch mit unterschiedlich geformten transparenten Elementen einer Sensoreinrichtung zur Erfassung eines Feuchtezustands der durch den Haarglätter gezogenen Haare.
- Fig. 1
- a hair straightener according to the invention in different side views,
- Fig. 2
- a hair straightener according to the invention in a plan view,
- Fig. 3, 4
- each representations as in
Fig. 2 but with differently shaped transparent elements of a sensor device for detecting a moisture state of the hair pulled through the hair straightener.
Entsprechend der
Betrachtet man die
Erfindungsgemäß kann zumindest eines der transparenten Elemente 8 aus Quarzglas oder aus Borosilikatglas ausgebildet sein, welche beide äußerst beständig gegenüber chemischen Reagenzien sind, insbesondere gegenüber solchen, die in Haarpflegeprodukten vorkommen können. Alternativ kann selbstverständlich eines der transparenten Elemente 8 auch aus Kunststoff, insbesondere aus Polysulfon (PSU) oder aus Polyethersulfon (PESU) ausgebildet sein. Dies bietet insbesondere die Möglichkeit einer kostengünstigen Herstellung, bei gleichzeitig geringem Gewicht.According to the invention, at least one of the
Die Sichtbarkeit des Wasserdampfes bzw. des Kondensats 9 auf den transparenten Elementen 8 kann zusätzlich durch einen entsprechende Hydrophobierung, z.B. durch Silikonnanophilamente oder eine entsprechende Oberflächenmodifizierung nach Vorbild des Lotuseffekts verbessert werden. Ist das transparente Element 8 aus Glas ausgebildet, kann durch Satinieren der Glasoberfläche die Kondensatabscheidung durch einen guten Kontrast zwischen benetzter Oberfläche und nicht benetzter Oberfläche für die Anwenderin deutlich sichtbar gemacht werden. Je nach erzielter Oberflächenrauigkeit und der daraus resultierten Erhebungen und Vertiefungen, welche eine Art eine Kondensationskeim darstellen, kann die Kondensatbildung zusätzlich begünstigt und damit die Sichtbarmachung des Kondensats 9 verbessert werden.The visibility of the water vapor or the condensate 9 on the
Generell sind die transparenten Elemente 8 außerhalb des Haarglätters 1 angeordnet, das heißt parallel außenliegend an den Armen 2, 3, so dass eine Anwenderin freien Blick auf sie hat. Ein direkter Kontakt zwischen den Haaren 6 und dem transparenten Element 8 ist dabei nicht erforderlich, da es ausreicht, den Wasserdampf bzw. das Kondensat 9 am transparenten Element 8 sichtbar machen zu können. Sofern kein Wasserdampf und kein Kondensat 9 sichtbar werden und gleichzeitig die Temperatur richtig eingestellt ist, bedeutet dies, dass das umzuformende Haar 6 den richtigen Feuchtgehalt aufweist. Andererseits kann dies auch bedeuten, dass die eingestellte Temperatur zu niedrig, die Durchziehgeschwindigkeit zu groß und somit die Erhitzung aufgrund des zu geringen Wärmeübergangs der Haare 6 für eine längere haltbare Umformung zu niedrig ist. Die Anwenderin muss demzufolge die Durchziehgeschwindigkeit anpassen oder die eingestellte Temperatur erhöhen.In general, the
Mit dem erfindungsgemäßen Haarglätter 1 ist somit auch für einen Laien vergleichsweise einfach zu beurteilen, ob das zu glättende Haar 6 so trocken ist, dass ein wärmeinduziertes Frisurergebnis auch langanhaltend eingebracht werden kann. Die Sensoreinrichtung 7 bzw. die transparenten Elemente 8 können dabei selbstverständlich abnehmbar ausgebildet sein, um insbesondere die Reinigung des erfindungsgemäßen Haarglätters 1 zu vereinfachen. Da die erfindungsgemäße Sensoreinrichtung 7 keinerlei elektrische Versorgung benötigt bzw. aufwändige elektronische Bauteile aufweist, ist diese auch vergleichsweise kostengünstig herzustellen.With the hair straightener 1 according to the invention is therefore comparatively easy to judge for a layman whether the hair to be smoothed 6 is so dry that a heat-induced Hairdressing result can also be introduced for a long time. The
- 11
- Haarglätterhair straightener
- 22
- erster Armfirst arm
- 33
- zweiter Armsecond arm
- 44
- erste Glättplattefirst smoothing plate
- 55
- zweite Glättplattesecond smoothing plate
- 66
- Haarehair
- 77
- Sensoreinrichtungsensor device
- 88th
- transparentes Elementtransparent element
- 99
- Wasserdampf/KondensatSteam / condensate
Claims (7)
- Hair straightener (1) having two arms (2, 3) supported in a hinged manner against one another, on which a first or second smoothing plate (4, 5) is arranged, of which at least one can be heated, wherein a sensor apparatus (7) for detecting a moisture state of the hair (6) pulled by the hair straightener (1) is provided, characterised in that the sensor apparatus (7) has at least one transparent element (8), which is arranged externally on a longitudinal side of the hair straightener (1) in parallel with a smoothing plate (4, 5) and on which a film of moisture in the form of water vapour or condensation (9) can be identified.
- Hair straightener according to claim 1, characterised in that the sensor apparatus (7) has two transparent elements (8), which are arranged externally on a longitudinal side of the hair straightener (1) in parallel with a smoothing plate (4, 5) and on which a film of moisture in the form of water vapour or condensation (9) can be identified.
- Hair straightener according to claim 1 or 2, characterised in that at least one transparent element (8) is embodied from quartz glass or from borosilicate glass.
- Hair straightener according to claim 1 or 2, characterised in that at least one transparent element (8) is embodied from plastic, in particular from polysulphone (PSU) or from polyether sulphone (PESU).
- Hair straightener according to one of the preceding claims, characterised in that the sensor apparatus (7) can be detached.
- Hair straightener according to one of claims 1 to 5, characterised in that at least one transparent element (8) has a hydrophobisation e.g. by means of silicone nanofilments, or a lotus effect coating.
- Hair straightener according to one of claims 1 to 6, characterised in that at least one transparent element (8) is satinised.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014206503.8A DE102014206503A1 (en) | 2014-04-04 | 2014-04-04 | hair straightener |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2926681A1 EP2926681A1 (en) | 2015-10-07 |
EP2926681B1 true EP2926681B1 (en) | 2017-05-10 |
Family
ID=53016454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15161766.9A Not-in-force EP2926681B1 (en) | 2014-04-04 | 2015-03-30 | Hair straightener |
Country Status (2)
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EP (1) | EP2926681B1 (en) |
DE (1) | DE102014206503A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015204611A1 (en) * | 2015-03-13 | 2016-09-15 | BSH Hausgeräte GmbH | Hair treatment device, in particular hair straightener or curling iron |
CN107625268A (en) * | 2017-01-26 | 2018-01-26 | 路博润先进材料公司 | Hair styling appliance and the method for operating the hair styling appliance |
GB2569660B (en) * | 2017-12-22 | 2022-03-02 | Jemella Ltd | Thermal control apparatus and method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4877042A (en) * | 1983-09-19 | 1989-10-31 | Downey John H | Dynamic hair grooming appliance |
DE202005001828U1 (en) * | 2005-02-05 | 2006-06-14 | Wik Far East Ltd. | Hair treating device for treating human hair comprises a separate electrical display unit for displaying operational data of the device and/or condition of the hair being treated, e.g. dampness |
ES2795355T3 (en) * | 2009-07-10 | 2020-11-23 | Braun Gmbh | Automated hair care process |
KR20140058494A (en) * | 2011-06-13 | 2014-05-14 | 쿨웨이 인코포레이티드 | Method and hair care tool for dynamic and optimum hair styling temperature control |
-
2014
- 2014-04-04 DE DE102014206503.8A patent/DE102014206503A1/en not_active Ceased
-
2015
- 2015-03-30 EP EP15161766.9A patent/EP2926681B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
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DE102014206503A1 (en) | 2015-10-08 |
EP2926681A1 (en) | 2015-10-07 |
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