EP3373765B1 - Haartrockner und funktionsweise eines haartrockners - Google Patents

Haartrockner und funktionsweise eines haartrockners Download PDF

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Publication number
EP3373765B1
EP3373765B1 EP15790988.8A EP15790988A EP3373765B1 EP 3373765 B1 EP3373765 B1 EP 3373765B1 EP 15790988 A EP15790988 A EP 15790988A EP 3373765 B1 EP3373765 B1 EP 3373765B1
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EP
European Patent Office
Prior art keywords
hairdryer
temperature
sensor
control unit
light emitting
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Application number
EP15790988.8A
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English (en)
French (fr)
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EP3373765A1 (de
Inventor
Alper Yagci
Murat Kantas
Fatih KASAP
Egemen TINAR
Caglar SAHIN
Nihat Kandemir
Sevinc Mert
Cetin Aydintug
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Arcelik AS
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Arcelik AS
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Priority to PL15790988T priority Critical patent/PL3373765T3/pl
Publication of EP3373765A1 publication Critical patent/EP3373765A1/de
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Publication of EP3373765B1 publication Critical patent/EP3373765B1/de
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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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers

Definitions

  • the present invention relates to a hairdryer and to a method of functioning of such hairdryer, which allow to avoid damages to the user's hair due to excessively high temperature of the blown air.
  • Hairdryers are available in the market which are capable of monitoring the temperature of the user's hair being dried in order to avoid too high temperatures to be reached and hence to avoid the hair to be damaged.
  • US 4424437 A discloses for instance a hairdryer having a radiometer which remotely senses the infrared radiation emanating from the user's hair being dried and which contains a control means that causes the heating means in the dryer to turn off when the infrared radiation indicates the temperature of the hair is about 50 °C.
  • Another similar hairdryer is disclosed in the European patent n. EP 0672871 B1 and it comprises an infrared sensor which is wired to the heater controller. When a predetermined temperature is attained and sensed by the infrared sensor, the heating is reduced or discontinued.
  • the patent application JP 2013081642 A discloses a hairdryer with a switch for setting the air temperature mode of multiple steps.
  • the aim of the present invention is therefore to provide a hairdryer which allows the user to avoid damages to the hair being dried or styled while ensuring an optimal flexibility of use and efficiency.
  • a further aim of the present invention is to provide a hairdryer which is simple and safe to be used.
  • Another aim of the present invention is to provide a method of functioning of a hairdryer which is reliable and which allows the user to select autonomously the functioning parameters of the hairdryer during its use.
  • the hairdryer realized in order to attain the aim of the present invention, explicated in the first claim and the respective dependent claims thereof, comprises a temperature sensor for sensing the temperature of the surface of the hair being dried or of the air been blown by the hairdryer, a control unit and vibration means arranged in the body and, according to a preferred embodiment, in the handle which is grasped by the user during the use of the hairdryer.
  • the temperature sensor is designed to send temperature information signals to the control unit and the vibration means are aimed to be activated by the control unit when the sensed temperature reaches a first threshold value set by the producer and the control unit receives a correspondent signal from the temperature sensor for warning the user holding the hairdryer, and in particular grasping the handle, that the first temperature threshold has been reached.
  • the temperature sensor is an infrared thermometer aimed to sense the temperature of the surface of the hair being dried or shaped.
  • control unit is programmed to stop the operation of heating means of the hot air generating means when the sensed temperature reaches a second threshold value higher than the first threshold value and the control unit receives a correspondent temperature signal from the sensor, for avoiding excessively high temperatures to be reached and hence possible damages to be caused to the user's hair.
  • the vibration means comprises a vibrator motor, while in an alternative embodiment the vibration means comprises a piezoelectric actuator.
  • the hairdryer may further comprises light emitting means arranged on the body, connected to the control unit and designed to provide visual information to the user concerning the temperature sensed by the temperature sensor, i.e. for instance designed to emit different visual signals depending on the temperature sensed by the sensor.
  • the light emitting means are designed to emit light of different colors depending on the range of temperature within which the average temperature sensed by the temperature sensor falls.
  • the light emitting means comprises, according to an embodiment, one or more LEDs.
  • the light emitting means are arranged on the body around the air vent which is arranged laterally on the body with respect to the frontal blowing outlet.
  • the light emitting means are arranged on the body around the connection area of the handle to the air blowing portion of the body thus being easily visible for the user.
  • the method of functioning of a hairdryer realized in order to attain the aim of the present invention comprises the operational steps of activating the hot air generating means in order to emit a flow of hot air, monitoring the temperature of the hair being dried or of the air been blown through the outlet by means of a temperature sensor, sending temperature information signals from the temperature sensor to the control unit of the hairdryer and activating a vibration means arranged in the body by means of the control unit when the latter receives a temperature information signal from the sensor related to a temperature equal or higher than a first threshold value set by the producer, for warning the user holding the body of the hairdryer that the first temperature threshold has been reached.
  • the hairdryer 1 comprises a body 2 having a blowing outlet 3 through which air is emitted.
  • the body 2 of the hairdryer 1 preferably comprises a handle 4, which is a portion of the body 2 suitable for being grasped by the user.
  • the body 2 has a case-like shape aimed to define an internal protected space, where the internal components of the hairdryer 1 are placed.
  • the hairdryer 1 further comprises hot air generating means 5 arranged in the body 2 and aimed to generate a flow of hot air to be emitted through the blowing outlet 3.
  • the hot air generating means 5 comprises a motor-driven fan 6 and heating means (not illustrated) electrically powered.
  • the body 2 comprises an air blowing portion 12 provided with the blowing outlet 3 and wherein the hot air generating means 5 are arranged and the handle 4 is connected to the air blowing portion 12, in particular substantially perpendicular to it.
  • the hairdryer 1 comprises a control unit 7 arranged in the body 2 and a temperature sensor 8 for sensing the temperature of the surface of the hair being dried or of the air being blown through the blowing outlet 3.
  • the sensor 8 is supported by the body 2 and it is connected to the control unit 7 for sending to it temperature information signals.
  • the sensor 8 is attached to the body 2 in proximity of the blowing outlet 3.
  • the temperature sensor 8 is an infrared thermometer aimed to sense the temperature of the surface of the hair being dried or styled.
  • the sensor 8 is attached to the body 2, protruding externally on the body 2 in correspondence of the blowing outlet 3, which is intended to be directed toward the user's hair when the hairdryer 1 is in use.
  • This allows the temperature sensor 8 to be correctly oriented toward the hair of the user when the hairdryer 1 is in use for sensing the surface temperature of such hair, while at the same time avoiding possible damages to the sensor 8 or malfunctioning of the sensor 8 due to the hot air being blown through the outlet 3.
  • the hairdryer 1 further comprises vibration means 9 arranged in the body 2 and aimed to be activated by the control unit 7 when the latter receives a temperature information signal from the sensor 8 related to a temperature equal or higher of a first temperature threshold value, set by the producer, for warning the user that such first threshold temperature value has been reached.
  • the first threshold value set for the temperature sensed by the sensor 8 is a value of temperature at which the hair are susceptible of getting damaged.
  • such first temperature threshold could be set at 70°C.
  • the hairdryer 1 of the present invention thanks to the presence of the vibration means 9, is capable of reliably informing the user that a threshold temperature has been reached, thus allowing the user to select if the heating should be reduced or discontinued or if he/she prefers to continue drying the hair without intervening on the heating means, despite of the warning provided by the hairdryer 1.
  • the vibration means 9 is particularly effective, since the warning vibration is certainly felt by the user, which holds the body 2 of the hairdryer 1 while the hairdryer 1 is in use, whichever is the momentarily position of the hairdryer 1 with respect to the user's visual, like for instance also when the hairdryer 1 is positioned behind the head of the user.
  • the vibration means 9 is arranged in the handle 4 of the body 2. This enhances the vibration feeling transmitted to the user due to the fact that the handle 4 is grasped by the user while the hairdryer 1 is in use.
  • control unit 7 is programmed to stop the operation of the heating means of the hot air generating means 5 when it receives a temperature information signal from the sensor 8 related to a sensed temperature that reaches a second threshold value, as well set by the producer, higher than the first threshold value the temperature sensor 8.
  • a second threshold value as well set by the producer, higher than the first threshold value the temperature sensor 8.
  • the vibration means 9 comprises a vibrator motor, which is both economic and functioning reliable.
  • the vibration means 9 comprises a piezoelectric actuator, which can provide high-vibration force.
  • the hairdryer 1 comprises light emitting means 10 arranged on the body 2 and connected to the control unit 7 for providing visual information to the user concerning the temperature sensed by the sensor 8, i.e. concerning the temperature reached by the surface of the hair being dried or reached by the air emitted through the blowing outlet 3.
  • the light emitting means 10 allows the user to visually monitor, in a simple and intuitive manner, the temperature sensed by the sensor 8.
  • the light emitting means 10 are designed to emit light of different colors depending on the range of temperature within which the average temperature sensed by the temperature sensor 8 falls. This allows the user to visually monitor the range of temperature within which the temperature of the surface of the hair or of the air emitted through the blowing outlet 3 falls.
  • the light emitting means 10 could be designed in order to emit a blue color when the temperature sensed by the sensor 8 falls within the range of temperature between 40°C and 50°C, to emit a green color when the temperature sensed by the sensor 8 falls within the range of temperature between 50°C and 60°C, to emit an orange color when the temperature sensed by the sensor 8 falls within the range of temperature between 60°C and 70°C and to emit a red color when the temperature sensed by the sensor 8 is above 70°C.
  • the user can be clearly and easily informed concerning the range of temperature within which the temperature of the surface of the hair or the temperature of the air blown by the hairdryer 1 falls, thus having the possibility to control the functioning parameters of the hairdryer 1 in a more accurate and conscious manner.
  • the light emitting means 10 comprises one or more LEDs, which are economical and require low energy for functioning.
  • the light emitting means 10 can comprise RGB Color Changing LED, which are capable of producing numerous different color shades.
  • the body 2 comprises at least one lateral air vent 11, which is arranged on a side of the body 2, considering the blowing outlet 3 being arranged frontally on the body 2 and which is advantageously defined by a plurality of apertures.
  • the light emitting means 10 are arranged on the body 2 around the at least one lateral air vent 11. This position ensures to the light emitting means 10 a good visibility on the body 2.
  • the light emitting means 10 are arranged on the body 2 around the connection area of the handle 4 to the air blowing portion 12. This allows the light emitting means 10 to be easily seen by the user, for most of the positions and orientations of the hairdryer 1 while in use.
  • the present invention comprises also a method of functioning of a hairdryer 1, in particular as above specified, for which the same reference numbers will be maintained.
  • the method according to the invention comprises activating the hot air generating means 5 in order to emit a flow of hot air through the blowing outlet 3 of the body 2 of the hairdryer 1.
  • the hot air generating means 5 are activated by means of the control unit 7 upon command of the user, for instance by acting on one or more buttons or levers by means of which it is possible to turn on and off the hairdryer 1 and for instance to set the temperature and the speed of the air to be emitted through the blowing outlet 3.
  • the method further comprises monitoring the temperature of the hair being dried or of the air been blown through the outlet 3 by means of the temperature sensor 8 and sending temperature information signals from the temperature sensor 8 to the control unit 7.
  • the method according to the invention comprises hence activating the vibration means 9 arranged in the body 2 of the hairdryer 1 and preferably in the handle 4 by means of the control unit 7, when the temperature sensed by the sensor 8 reaches a first threshold value, set by the producer, and the control unit 7 receives a correspondent temperature information signal from the sensor 8, for warning the user holding the body 2 that the first temperature threshold has been reached.
  • the method further comprises stopping the operation of the heating means of the hot air generating means 5 by means of the control unit 7 when the sensed temperature reaches a second threshold value higher than the first threshold value and as well set by the producer and the control unit 7 receives a correspondent temperature information signal from the sensor 8.
  • the method comprises commanding the light emitting means 10 arranged on the body 2 of the hairdryer 1 to emit a light for providing visual information to the user concerning the temperature sensed by the sensor 8.
  • the method further comprises commanding the light emitting means 10 to emit a light of a first color by means of the control unit 7, when the latter receives a temperature signal from the sensor 8 falling within a first range of temperatures, and commanding the light emitting means 10 to emit a light of a second color, different from the first color, by means of the control unit 7 when the latter receives a temperature signal from the sensor 8, falling within a second range of temperatures different from the first range temperature.
  • the hairdryer 1 and the method according to the present invention ensures an optimal flexibility in use, while avoiding possible damages to the hair being dried or styled by accurately informing the user when a excessively high temperature is being reached by the surface of the hair or by the air blown by the hairdryer 1.
  • the hairdryer 1 and the method allow the user to comfortably use the hairdryer being ensured to be promptly informed on the excessively high temperature being reached whichever is the momentarily position of the hairdryer, since it is not necessary for the user to visualize the hairdryer 1 in order to be informed.

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  • Cleaning And Drying Hair (AREA)

Claims (15)

  1. Ein Haartrockner (1) umfasst:
    - einen Körper (2) mit einer Ausblasöffnung (3), durch den die Luft abgegeben wird;
    - eine Heißlufterzeugungseinrichtung (5), die in dem Körper (2) angeordnet und angeordnet sind, um einen Heißluftstrom zu erzeugen, der durch die Ausblasöffnung (3) abgegeben wird;
    - eine Steuereinheit (7), die in dem Körper (2) angeordnet ist;
    - einen Temperatursensor (8) für das Erfassen der Temperatur der Oberfläche des zu trocknenden Haares oder der Luft, die durch den Auslass (3) geblasen wird, wobei der Sensor (8) vom Körper (2) getragen wird und mit der Steuereinheit (7) verbunden ist, um Temperaturinformationssignale an ihn zu senden;
    gekennzeichnet ist es dadurch, dass es darüber hinaus einen Vibrationsmittel (9) umfasst, das in dem Körper (2) angeordnet ist und von der Steuereinheit (7) aktiviert wird, wenn die vom Sensor (8) erfasste Temperatur einen ersten Schwellenwert erreicht und die Steuereinheit (7) ein entsprechendes Temperaturinformationssignal vom Sensor (8) empfängt, für die Warnung des Benutzers, der den Körper (2) des Haartrockners (1) hält, dass die erste Temperaturschwelle erreicht wurde.
  2. Ein Haartrockner (1), wie in Anspruch 1 aufgeführt, ist dadurch gekennzeichnet, dass der Körper (2) des Haartrockners (1) einen Griff (4) aufweist, wobei das Vibrationsmittel (9) im Griff (4) des Körpers (2) angeordnet ist.
  3. Ein Haartrockner (1), wie in Anspruch 1 oder 2 aufgeführt, ist dadurch gekennzeichnet, dass der Temperatursensor (8) ein InfrarotThermometer ist, welches dafür angeordnet ist, um die Temperatur der Oberfläche des zu trocknenden Haares zu erfassen.
  4. Ein Haartrockner (1), wie in einem der vorherigen Ansprüchen aufgeführt, ist dadurch gekennzeichnet, dass die Steuereinheit (7) so programmiert ist, dass sie den Betrieb der Heizeinrichtung der Heißlufterzeugungseinrichtung (5) anhält, wenn die erfasste Temperatur einen zweiten Schwellenwert erreicht, der höher als der erste Schwellenwert ist und die Steuereinheit (7) ein entsprechendes Temperaturinformationssignal vom Sensor (8) empfängt.
  5. Ein Haartrockner (1), wie in einem der vorherigen Ansprüchen aufgeführt, ist dadurch gekennzeichnet, dass das Vibrationsmittel (9) einen Vibrationsmotor umfasst.
  6. Ein Haartrockner (1), wie in Anspruch 1-4 aufgeführt, ist dadurch gekennzeichnet, dass das Vibrationsmittel (9) einen piezoelektrischen Aktuator umfasst.
  7. Ein Haartrockner (1), wie in einem der vorherigen Ansprüchen aufgeführt, ist dadurch gekennzeichnet, dass es einen Lichtemissionsmittel (10) umfasst, die an dem Körper (2) angeordnet und mit der Steuereinheit (7) verbunden ist, um dem Benutzer visuelle Informationen in Bezug der vom Temperatursensor (8) erfassten Temperatur bereitzustellen.
  8. Ein Haartrockner (1), wie in Anspruch 7 aufgeführt, ist dadurch gekennzeichnet, dass das Lichtemissionsmittel (10) so ausgelegt ist, dass es Licht in unterschiedlicher Farbe in Abhängigkeit von dem Temperaturbereich emittiert, in den die vom Temperatursensor (8) erfasste Durchschnittstemperatur fällt.
  9. Ein Haartrockner (1), wie in Anspruch 7 oder 8 aufgeführt, ist dadurch gekennzeichnet, dass das Lichtemissionsmittel (10) eine oder mehrere LEDs umfasst.
  10. Ein Haartrockner (1), wie in einem der Ansprüche 7-9 aufgeführt, ist dadurch gekennzeichnet, dass der Körper (2) mindestens eine seitliche Entlüftung (11) umfasst, wobei die Lichtemissionsmittel (10) auf dem Körper (2) um die mindestens eine seitliche Entlüftung (11) angeordnet sind.
  11. Ein Haartrockner (1), wie in einem der Ansprüche 7-9 aufgeführt, ist dadurch gekennzeichnet, dass der Körper (2) einen Luftblasabschnitt (12) mit der Ausblasöffnung (3) umfasst und worauf die Heißlufterzeugungseinrichtung (5) angeordnet sind, wobei der Griff (4) mit dem Luftblasabschnitt (12) verbunden ist und die Lichtemissionseinrichtung (10) auf dem Körper (2) um den Verbindungsbereich des Griffs (4) mit dem Luftblasabschnitt (12) angeordnet ist.
  12. Ein Verfahren zum Funktionieren des Haartrockners (1) umfasst:
    - das Aktivieren der Heißlufterzeugungseinrichtung (5), um einen Heißluftstrom durch eine Ausblasöffnung (3) eines Körpers (2) des Haartrockners (1) zu emittieren;
    - das Überwachen der Temperatur des zu trocknenden Haares oder der durch den Auslass (3) geblasenen Luft mithilfe eines Temperatursensors (8);
    - das Senden von Temperaturinformationsignalen vom Temperatursensor (8) zu einer Steuereinheit (7) von dem Haartrockner (1); und
    - das Aktivieren eines im Körper (2) des Haartrockners (1) angeordneten Vibrationsmittel (9) mithilfe der Steuereinheit (7), wenn die vom Sensor (8) erfasste Temperatur einen ersten Schwellenwert erreicht hat, so empfängt die Steuereinheit (7) ein entsprechendes Temperaturinformationssignal vom Sensor (8), um den Benutzer, der den Körper (2) des Haartrockners (1) hält, zu warnen, dass die erste Temperaturschwelle erreicht wurde.
  13. Ein Verfahren zum Funktionieren des Haartrockners (1) nach Anspruch 12 umfasst des Weiteren:
    - das Einstellen des Betriebs der Heizeinrichtung der Heißlufterzeugungseinrichtung (5) mithilfe der Steuereinheit (7), wenn die erfasste Temperatur einen zweiten Schwellenwert erreicht, der höher als der erste Schwellenwert ist, und die Steuereinheit (7) eine entsprechende Temperatur empfängt Informationssignal vom Sensor (8).
  14. Ein Verfahren zum Funktionieren des Haartrockners (1) nach Anspruch 12 oder 13 umfasst des Weiteren Befehlslicht emittierendes Mittel (10), das auf dem Körper (2) des Haartrockners (1) angeordnet und mit der Steuereinheit (7) verbunden ist, um ein Licht einer voreingestellten Farbe zu emittieren, um dem Benutzer visuelle Informationen bezüglich der vom Sensor (8) erfassten Temperatur weiterzugeben.
  15. Ein Verfahren zum Funktionieren des Haartrockners (1) nach Anspruch 14 umfasst des Weiteren:
    - Befehlslicht emittierendes Mittel (10), das mithilfe der Steuereinheit (7) ein Licht einer ersten Farbe emittiert, wenn dieser ein Temperaturinformationssignal vom Sensor (8) empfängt, das in einen ersten Temperaturbereich fällt; und
    - Befehlslicht emittierende Mittel (10), das mithilfe der Steuereinheit (7) ein Licht einer zweiten Farbe, die sich von der ersten Farbe unterscheidet, ausgibt, wenn dieser ein Temperaturinformationssignal vom Sensor (8) empfängt, das in einen zweiten Temperaturbereich fällt, der sich von der Temperatur im ersten Bereich unterscheidet.
EP15790988.8A 2015-11-09 2015-11-09 Haartrockner und funktionsweise eines haartrockners Active EP3373765B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15790988T PL3373765T3 (pl) 2015-11-09 2015-11-09 Suszarka do włosów oraz sposób działania suszarki do włosów

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/076065 WO2017080575A1 (en) 2015-11-09 2015-11-09 A hairdryer and a method of functioning of a hairdryer

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Publication Number Publication Date
EP3373765A1 EP3373765A1 (de) 2018-09-19
EP3373765B1 true EP3373765B1 (de) 2020-05-06

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EP (1) EP3373765B1 (de)
IL (1) IL258421A (de)
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WO (1) WO2017080575A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10405630B2 (en) * 2016-07-29 2019-09-10 Spur Concepts Inc Systems and methods for delivering heat in a battery powered blow dryer
WO2018219457A1 (en) * 2017-06-01 2018-12-06 Arcelik Anonim Sirketi Dryer with improved safety and improved drying performance
ES2991687T3 (es) * 2017-09-29 2024-12-04 Oreal Sistema que incluye un cepillo, un secador de pelo y un dispositivo de cliente para ayudar a los usuarios a lograr el mejor resultado de secado y peinado
EP3626105B1 (de) * 2018-09-19 2021-03-24 LG Electronics Inc. -1- Trockner
CN113040494A (zh) * 2019-12-26 2021-06-29 添可智能科技有限公司 一种吹风机
CN111802777B (zh) * 2020-07-30 2023-02-28 黄山市华特电器有限公司 一种手持电吹风智能控制方法
IT202000018784A1 (it) * 2020-07-31 2022-01-31 Ligo Patents Sa Asciugacapelli dotato di un motore elettrico

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Publication number Priority date Publication date Assignee Title
JP4623636B2 (ja) * 2005-01-25 2011-02-02 九州日立マクセル株式会社 ヘアードライヤー
JP5895186B2 (ja) * 2011-10-11 2016-03-30 パナソニックＩｐマネジメント株式会社 加熱送風装置
US8720078B1 (en) * 2013-08-07 2014-05-13 Fawzi Q.M.A.O.A. Behbehani Automatic hair dryer with fluid dispenser

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PL3373765T3 (pl) 2020-11-02
IL258421A (en) 2018-05-31
WO2017080575A1 (en) 2017-05-18
EP3373765A1 (de) 2018-09-19

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