EP1339299B1 - Seche-cheveux a dispositif de variation de la section de sortie du flux d'air - Google Patents

Seche-cheveux a dispositif de variation de la section de sortie du flux d'air Download PDF

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Publication number
EP1339299B1
EP1339299B1 EP01999298A EP01999298A EP1339299B1 EP 1339299 B1 EP1339299 B1 EP 1339299B1 EP 01999298 A EP01999298 A EP 01999298A EP 01999298 A EP01999298 A EP 01999298A EP 1339299 B1 EP1339299 B1 EP 1339299B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
flaps
air
ring
hair dryer
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.)
Expired - Lifetime
Application number
EP01999298A
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German (de)
English (en)
French (fr)
Other versions
EP1339299A1 (fr
Inventor
Marc Legrain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP1339299A1 publication Critical patent/EP1339299A1/fr
Application granted granted Critical
Publication of EP1339299B1 publication Critical patent/EP1339299B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • 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
    • A45D20/122—Diffusers, e.g. for variable air flow

Definitions

  • the present invention relates to an apparatus for drying and / or shape of the hair, more particularly a hair dryer, comprising a device for varying the outlet section of the air flow blown by the latter.
  • Hair dryers for private or professional use usually include a housing provided with a handle and equipped with air circulation means between an inlet grille in the housing and an outlet port of the latter, and means for heating the blown air.
  • the air circulation means are constituted by a fan driven by an electric motor. The problem that often arises with these devices is how to change the intensity and shape the airflow coming out of the latter in order to adapt it to different hair styles.
  • each accessory constitutes an exit nozzle of a specific shape and function and, by Therefore, to switch from one form to another or to vary the type of drying it is necessary to change the accessory.
  • This has the disadvantage of having to change during drying several accessories, which becomes annoying especially that the accessories are mounted near the heating means.
  • Another disadvantage is to multiply the number of accessories, and therefore occupy an important place in the storage space planned for the device, while having a limited number of forms and intensities of the flow air.
  • hair dryers including those described in the documents FR 1 546 750 or US 4 977 306 each use a pair of movable shutters articulated around the axes located inside the air evacuation duct hot so as to close more or less this conduit. So, we can restrict more or less the free section of the air duct by pivoting flaps around of their hinge axis but the newly created passage section not being visible from the outside, it becomes difficult to choose the orientation of the hair dryer compared to the lock of hair. This is inconvenient in early drying and becomes troublesome during the operation when it takes continually coordinate the position of the shutters to the degree of drying or shaping the hairstyle.
  • flow variation devices are incorporated in the construction of the apparatus, they are not intended as that accessories of the latter.
  • two drawers rotate perpendicular to the longitudinal axis of the appliance and make protrudes laterally to obtain the flat jet position, so that the device delivers a jet of air deflected on the sides, and not concentrated in the center to fix locally the hairstyle; in addition, the two lateral drawers increase the size and the size of the nozzle.
  • This accessory is a diffuser to be attached to the outlet of a hair dryer, the diffuser having a hollow body provided at a blowing end with outlet orifices of air and other through-holes with hollow fingers at the free end of which are also made air outlet orifices blown by the device.
  • the apparatus also comprises a device capable of varying the finger lengths so that they deviate more or less from the leather hairy and they send a diffuse airflow.
  • This type of accessory does not allow not to get a concentrated airflow to fix the hairstyle and it's otherwise very cumbersome.
  • a broadcaster with a large volume nor does it allow to accelerate a flow of air. If a small acceleration takes place, it disrupts the flow of air that has become very turbulent because of a large number of variation of sections, which generates difficulties of regulation in temperature the air flow leaving the diffuser.
  • the object of the present invention is to overcome the aforementioned drawbacks and to propose a hairdryer equipped with a device of continuous variation of the outlet section of the flow of air blown by the device, allowing to pass gradually from a multidirectional burst flow to a concentrated flow monodirectional and vice versa, while using a compact and simplified construction.
  • Another object of the invention is a hair dryer provided with a device to vary the shape of the outlet section of the air flow blown by the device, while allowing to visualize the shape of the section thus modified.
  • a further object of the invention is a hair dryer provided with a device air flow variation that is efficient, reliable in operation and easy to industrialize for a lower manufacturing cost.
  • a hair dryer with a housing comprising means for circulating a flow of air between one end input and an output end of said housing, and a device arranged to proximity of the output end to modify the output section of the air flow, said device comprising at least two flaps arranged in the flow of air as well as actuating means for pivoting said flaps, due to that said device comprises a tubular nozzle disposed between the two flaps and movable axially with respect to the air flow.
  • the device modifying the outlet section of the air flow therefore comprises at least two pivoting flaps arranged on either side of a tubular nozzle, arranged preferably in the center of the device, the longitudinal axis of the device being in extension of the longitudinal axis of the hair dryer, parallel to the air flow.
  • the flaps are arranged to pivot about the pivot axes which can be parallel, perpendicular or even inclined to the flow of air so as to shut off during their movement the outlet section of the flow air.
  • this output section varies between a maximum value when the shutters allow the flow of air blown by the appliance to pass, by orienting it or not to the outside, and a minimum value when they close this passage.
  • the nozzle tubular being located between the two flaps, the flow of air is channeled out of the device through the latter at the time of closing the section of exit of the air by the shutters.
  • the nozzle being movable axially, it is able to project relative to the housing during its movement, which allows the user to orient it by relative to the shaping or drying area of the hair.
  • the nozzle can to be moved together with the shutters by the same mechanism or using separate actuation mechanisms, or alternatively, could be displaced in a time-displaced manner, the mechanism actuator used that can initially move the flaps and the nozzle by the next or vice versa.
  • the blown air can take any direction printed by the outlet duct of the device or it can to be guided, especially to the outside by the shape of the shutters.
  • the flaps swivel, they fold towards the nozzle so as to direct the flow of air into the space between the flaps and the nozzle.
  • said nozzle is movable in translation.
  • the device according to the invention comprises means of command that simultaneously actuate the movement of the nozzle and the one Shutters.
  • said control means comprise a movable ring rotation.
  • the device for varying the outlet section of the air flow is arranged at the air outlet end of the hair dryer, for this it is configured so to adapt to the shape of the housing, so it is cylindrical.
  • a ring having the same shape and a diameter of a value comparable to that of the duct air outlet of the hair dryer can be easily rotated by the the user's hand, the movement of the ring can then be used to operate the nozzle and / or the shutters. This confers the advantage of having a compact construction while enjoying a good range of motion control.
  • the device of the invention comprises a first mechanism which transforms the rotational movement of the ring into a movement of translation of the nozzle and a second mechanism that transforms the movement of translation of the nozzle or rotation of the ring in a movement of flaps, at least one of said mechanisms being controlled by the rotating ring.
  • the rotation of the ring can act directly on the pivoting of the shutters which in turn act on the displacement of the nozzle or, conversely, the ring can cause the nozzle which leads, in turn, the shutters.
  • Such a construction allows by a simple operation of the rotary ring to obtain all the desired movements of flaps and nozzle in a simple and effective way Operating.
  • said first mechanism is constituted by a lug integral with the outer surface of a nozzle body that moves in a groove helical pattern on the inner surface of the control ring.
  • said second mechanism consists of a pin, integral with one end of the flap, moving in an inclined groove performed on the inner surface of the nozzle body.
  • the translational movement of the nozzle body, supporting the nozzle in its part central, is used to move the flap pivotally when ergot, solidary of one of the ends of the shutter, follows the path imposed by a groove slant on the inner surface of the nozzle body.
  • the integral lug of one of the flaps moves in a groove angled in one direction and the integral lug of the opposite flap moves in a groove diametrically opposed to the first and inclined in the opposite direction.
  • the values of the free area of the exit section vary when moving flaps in the range of 2: 1 to 14: 1, preferably between 3: 1 and 8: 1.
  • the device of the invention is removably attached to the housing hair dryer.
  • the hair dryer made according to the invention comprises a housing 1 inside which are arranged a fan actuated in rotation by an electric motor ensuring the circulation of air between an entrance 4 located at the rear of the housing 1 and an outlet 5 located at the opposite end, means for heating the flow of air circulating inside the apparatus as well as connections to a power supply. Switching on and off the device are done by operating a switch 9.
  • the hairdryer also includes a device 3 for modifying the shape of the air outlet section S, this device being attached to the end of air outlet 5.
  • Device 3 can be permanently attached to the end 5 of the housing 1 or it can also be removably mounted relative to the housing 1, for example by bayonet attachment, forced assembly, etc.
  • the device 3 comprises a tubular support 10 which carries the other elements of the device and which includes, at one of ends, nipples 11 which engage in shape channels corresponding to the end 5 of the housing 1 to fix the device 3 to the device by a fastening of the bayonet type.
  • the opposite end of the support 10 is terminates with a peripheral rim 15 serving as a stop for a ring 28.
  • the support 10 comprises, on part of its surface two notches 16 arranged parallel to its longitudinal axis, both sides of the latter, and forming translational guides for a body nozzle 12 which will be described later.
  • the cages 18a, 18b each have a shape of a sector of cylinder and have through-holes 19a for receiving the axes of rotation 22a, 23a of the upper flaps 6a, 8a, and orifices respectively through 19b receiving the axes of rotation 22b, 23b lower flaps 6b, 8b.
  • the cages are made as two separate pieces, fixed by pressure in the windows 14, in order to simplify the manufacture and facilitate then the assembly of all the parts of the device. We could have also provide the two cages 18a, 18b together in one piece ring made of an elastic material and fixed by its elasticity around the support 10.
  • each flap 6a, 6b, 8a, 8b presents a curved fin shape, having a longitudinal section in an arc.
  • Each upper flap 6a, 8a comprises two projections forming axes of pivoting 22a, respectively 23a located at the ends of the shutter so each axis is rotatably supported in a corresponding hole 19a practiced on the cage 18a, respectively in an orifice 17a made on the inner surface of the tubular support 10. It is the same for the shutters lower 6b, 8b each having two pivot axes 22a, 22b rotatably supported by orifices 19b, 17b.
  • each upper flap 6a, 8a presents on one side a guide pin 20a, 21a in an inclined groove 24a, 25a carried out on the inner surface of the nozzle body 12.
  • the displacement of the lug 20a, 21a in the corresponding groove 24a, 25a controls the pivoting of each flap 6a, 6b.
  • the lower shutters 6b, 8b pivot about their respective axes when moving the lugs guide 20b, 21b in corresponding inclined grooves 24b, 25b formed in the inner surface of the nozzle body 12.
  • the device 3 also comprises a nozzle tubular elongated 7 made in one piece with a nozzle body 12.
  • the nozzle 7 is connected to the body 12 by legs 13 which are provided to slide in the slots 16 of the tubular support 10 and thus ensure the translational guidance of the nozzle body 12.
  • the nozzle body 12 has on its inner surface, in two zones diametrically opposite, channels or grooves 24a, 25a inclined in a direction in the upper part of this surface, respectively 24b, 25b inclined in the opposite direction in the lower part of the latter.
  • the grooves 24,25 form a certain angle with the longitudinal axis of the device. The value of the tilt angle, as well as the length of each groove are calculated to allow the complete pivoting of each component between a maximum opening position and a maximum closing position, as will be explained later.
  • the nozzle body 12 has a lug 27 on its outer surface, which is provided to engage in a helical groove 30 practiced on the inner surface of a peripheral control ring 28.
  • the sliding of the nozzle body 12 is controlled by a ring of control 28 which surrounds the tubular body 10 and the nozzle body 12. It comprises for this purpose a helical groove 30 on its inner surface in which engages the lug 27 of the nozzle body 12.
  • An internal collar 31 of the ring 28 prevents the ring from moving forward because it bumps against the rim 15 of the tubular support 10.
  • the ring 28 is prevented from move in axial translation, but it can rotate around the axis longitudinal device 3, which is in extension of the longitudinal axis hair dryer.
  • the various constituent parts of the device 3 can be executed by example in a plastic material, by an injection technique, the parts made of movement can advantageously be made of a plastic material of the POM type, or of a plastic material charged with molybdenum disulfide, or any other material having good anti-friction properties.
  • the friction can be reduced by lubricating the parts in movement or their guidance, using a grease or film of oil.
  • control ring 28 In operation, by rotating the control ring 28 around its axis, it controls the displacement in axial translation of the nozzle body 12 with the nozzle 7 by action of the groove 30 on the pin 27.
  • the amplitude of the movement of the nozzle 7 is delimited, on the one hand by the rim 15 of the support tubular 10 and, secondly, by the rear flange 32 of the control ring 28.
  • the translational movement of the nozzle body 12 in turn controls the pivoting of the upper flaps 6a, 8a in one direction and, at the same time, lower flaps 6b, 8b in the opposite direction.
  • Figures 4 and 5 illustrate the device 3 in two extreme positions of operation.
  • the nozzle 7 is located completely inside the support body 10 of the device 3 and the shutters upper 6a, 8a and lower 6b, 8b are oriented towards the periphery of the support 10, in their position of maximum spacing relative to the nozzle 7.
  • the flow of air blown by the device guided by the curved walls of shutters and the straight walls of the nozzle, follow the directions indicated by the arrows in Figure 4, it is a diffuse flow with several directions.
  • the value of the surface of the free section of air outlet is in this case maximum.
  • the control ring 28 To arrive in the position shown in FIG. the control ring 28, so that the nozzle 7 is in position completely out from the front end of the support 10 and the shutters are folded so as to completely close the space between the support 10 and the nozzle 7. In this position, the air blown by the device comes out only by central part via the nozzle 7 following the arrow indicated on the Figure 5.
  • the air flow obtained in this case is a concentrated air flow, axial direction.
  • the value of the free air outlet surface here reaches its position lower limit, this value being close to that of the section of the nozzle 7.
  • the value of the air outlet section and, therefore, the intensity of the air flow can be varied continuously, rotating in one direction or the other the control ring 28. Thus, it can take any position intermediate between the two extreme positions shown in Figures 4 and 5.
  • the angle of inclination of the two upper flaps 6a, 8a may be identical for both components, or different for each of them. Therefore, two flaps can perform a de-rotation movement of the same amplitude or different amplitudes.
  • the number of flaps to be used is not limited to two, can use several on each side of the nozzle, knowing that the capacity shutter speed increases with their number, but also the complexity of the control mechanism.
  • any other control mechanism can be used axial displacement of the nozzle, in particular it is possible to envisage using a mechanism of the rack and pinion type, of the gearwheel and worm gear type, or any other type of mechanism capable of transforming a rotary motion of the peripheral control ring in an axial translation movement of the central nozzle.
  • a motorized control for the actuation of such mechanism could also be considered.

Landscapes

  • Cleaning And Drying Hair (AREA)
  • Drying Of Solid Materials (AREA)
  • Massaging Devices (AREA)
  • Brushes (AREA)
EP01999298A 2000-12-06 2001-11-28 Seche-cheveux a dispositif de variation de la section de sortie du flux d'air Expired - Lifetime EP1339299B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0015832 2000-12-06
FR0015832A FR2817450B1 (fr) 2000-12-06 2000-12-06 Seche-cheveux a dispositif de variation de la section de sortie du flux d'air
PCT/FR2001/003770 WO2002045543A1 (fr) 2000-12-06 2001-11-28 Seche-cheveux a dispositif de variation de la section de sortie du flux d'air

Publications (2)

Publication Number Publication Date
EP1339299A1 EP1339299A1 (fr) 2003-09-03
EP1339299B1 true EP1339299B1 (fr) 2005-11-02

Family

ID=8857311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01999298A Expired - Lifetime EP1339299B1 (fr) 2000-12-06 2001-11-28 Seche-cheveux a dispositif de variation de la section de sortie du flux d'air

Country Status (10)

Country Link
EP (1) EP1339299B1 (ru)
CN (1) CN1197502C (ru)
AT (1) ATE308257T1 (ru)
AU (1) AU2002216149A1 (ru)
BR (1) BR0115831B1 (ru)
DE (1) DE60114657T2 (ru)
ES (1) ES2249495T3 (ru)
FR (1) FR2817450B1 (ru)
RU (1) RU2262282C2 (ru)
WO (1) WO2002045543A1 (ru)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2558257Y (zh) * 2002-07-15 2003-07-02 建福实业有限公司 带有多个集风孔的集风装置及使用其的吹风机
GB2398239B (en) * 2003-02-15 2005-10-05 Salton Europ Ltd Improvements in and relating to nozzles for heat guns
FR2892278B1 (fr) * 2005-10-25 2007-11-30 Seb Sa Seche-cheveux comportant un dispositif permettant de modifier la geometrie du flux d'air
JP4420059B2 (ja) * 2007-04-24 2010-02-24 パナソニック電工株式会社 ヘアードライヤ
WO2011113193A1 (en) * 2010-03-15 2011-09-22 Sun Luen Electrical Manufacturing Company Limited Accessory for hair treatment device
GB201020847D0 (en) 2010-12-08 2011-01-19 Jemella Ltd A hair dryer
GB2487996B (en) 2011-08-19 2013-07-10 Jemella Ltd Hair dryer
GB201211253D0 (en) * 2012-06-25 2012-08-08 Jemella Ltd Hair dryer
EP2869726B1 (en) * 2012-07-04 2020-04-01 Dyson Technology Limited Hairdryer with an attachment
ITRM20130166A1 (it) * 2013-03-18 2014-09-19 Claudio Soresina Bocchetta per asciugacapelli.
GB2515809B (en) * 2013-07-05 2015-08-19 Dyson Technology Ltd A handheld appliance
WO2016097922A1 (en) * 2014-12-16 2016-06-23 Claudio Soresina Hair dryer provided with an electric motor
GB2534379B (en) 2015-01-21 2018-05-09 Dyson Technology Ltd An attachment for a hand held appliance
GB2534380A (en) * 2015-01-21 2016-07-27 Dyson Technology Ltd An attachment for a hand held appliance
GB2534378B (en) * 2015-01-21 2018-07-25 Dyson Technology Ltd An attachment for a hand held appliance
GB2538561B (en) * 2015-05-22 2018-10-10 Dyson Technology Ltd A hand held appliance
FR3039377B1 (fr) * 2015-07-28 2017-09-01 Seb Sa Seche-cheveux avec un conduit de sortie d'air a effet coanda
GB2544778B (en) * 2015-11-26 2019-05-01 Dyson Technology Ltd Hand held appliance
CN105559311B (zh) * 2016-02-01 2019-04-16 新联电器厂有限公司 一种能改变吹风效果的吹风机
KR102101643B1 (ko) 2016-03-24 2020-04-17 다이슨 테크놀러지 리미티드 휴대용 기구용 부착물
WO2018197158A1 (fr) * 2017-04-27 2018-11-01 Babyliss Faco Sprl Seche-cheveux avec asservissement de la vitesse
CN109287822B (zh) * 2018-09-11 2021-12-03 安徽奥德食品科技有限公司 一种利用流速变化的巧克力碎块烹饪装饰器
CN110617240B (zh) * 2019-09-18 2021-01-12 浙江工商大学 一种可变化风向的吹风机
KR102370985B1 (ko) * 2020-05-18 2022-03-07 엘지전자 주식회사 헤어 드라이어
GB2606395B (en) * 2021-05-07 2024-02-14 Dyson Technology Ltd An attachment for a haircare appliance

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Publication number Priority date Publication date Assignee Title
AU613052B2 (en) * 1987-11-24 1991-07-25 Sharp Kabushiki Kaisha Hair drier
US5157757A (en) * 1991-05-14 1992-10-20 China Pacific Trade Ltd. Hand held hair dryer with selectively positionable baffle for varying the distribution of air from the dryer
JPH0584114A (ja) * 1991-09-26 1993-04-06 Sharp Corp ヘアードライヤ
JPH05161507A (ja) * 1991-12-13 1993-06-29 Sharp Corp ヘアドライヤ
US6038782A (en) * 1998-02-04 2000-03-21 Vital Hair Tools, Llc Blow dryer having airflow control means

Also Published As

Publication number Publication date
AU2002216149A1 (en) 2002-06-18
CN1197502C (zh) 2005-04-20
ES2249495T3 (es) 2006-04-01
EP1339299A1 (fr) 2003-09-03
FR2817450A1 (fr) 2002-06-07
DE60114657T2 (de) 2006-07-20
BR0115831B1 (pt) 2010-07-13
WO2002045543A1 (fr) 2002-06-13
ATE308257T1 (de) 2005-11-15
DE60114657D1 (de) 2005-12-08
RU2262282C2 (ru) 2005-10-20
BR0115831A (pt) 2003-12-09
CN1477937A (zh) 2004-02-25
FR2817450B1 (fr) 2003-02-14

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