EP2642884B1 - Vorrichtung zum trocknen von haaren - Google Patents

Vorrichtung zum trocknen von haaren Download PDF

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Publication number
EP2642884B1
EP2642884B1 EP11807990.4A EP11807990A EP2642884B1 EP 2642884 B1 EP2642884 B1 EP 2642884B1 EP 11807990 A EP11807990 A EP 11807990A EP 2642884 B1 EP2642884 B1 EP 2642884B1
Authority
EP
European Patent Office
Prior art keywords
sound
section
rear section
casing
fan
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.)
Active
Application number
EP11807990.4A
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English (en)
French (fr)
Other versions
EP2642884A1 (de
Inventor
Marco Magagnini
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.)
Pellegrino Maria Rosanna
Original Assignee
Pellegrino Maria Rosanna
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Filing date
Publication date
Application filed by Pellegrino Maria Rosanna filed Critical Pellegrino Maria Rosanna
Publication of EP2642884A1 publication Critical patent/EP2642884A1/de
Application granted granted Critical
Publication of EP2642884B1 publication Critical patent/EP2642884B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention relates to the technical sector relating to hair-drying devices, with special reference to an improved hair-drying particularly applicable to both professional and domestic use.
  • Figure 1 illustrates a hair-drying device of known type, denoted in its entirety with reference numeral 100, comprising a grip 101 for supporting an elongate casing 102 provided with a rear section 103 for inlet of environmental air and a front section 104 for dispensing the treated air (for example heated, ionized, etc.).
  • a grip 101 for supporting an elongate casing 102 provided with a rear section 103 for inlet of environmental air and a front section 104 for dispensing the treated air (for example heated, ionized, etc.).
  • the grip 101 is provided with buttons (not illustrated for the sake of simplicity) for commanding both the electric motor 105 (ON/OFF, speed variation) and the electric means 107 (temperature variation, ionisation etc); it is further provided with a cable for supplying the motor 105 and the electric means 107.
  • Accessories are generally fixed to the front section 104, for treatment of hair or for conveying the dispensed air flow, with diverging geometry.
  • the rear section 103 is provided with a protective netting 108, snap-fitted, for filtering the inlet of extraneous bodies (for example hair and dust) internally of the casing 102, such as to preserve the integrity of the fan 106 and the electric motor 105.
  • a protective netting 108 snap-fitted, for filtering the inlet of extraneous bodies (for example hair and dust) internally of the casing 102, such as to preserve the integrity of the fan 106 and the electric motor 105.
  • the greatest drawback of a like hair-drying device 100 of known type is represented by its noisiness during functioning, also for reduced functioning velocity, due mostly to the turbulence in the air flow created between the rear section 103 and the front section 104.
  • US 2010/0064542 discloses a hair-dryer comprising a sound absorving material.
  • the aim of the present invention is to obviate the above-mentioned drawbacks by providing an improved hair-drying device able to guarantee a particularly low noise level with respect to the solutions at present on the market.
  • a further aim of the invention is to provide an improved hair-drying device which is particularly applicable for professional use, being able to prevent any feeling of discomfort both for the customer and the operator, especially in order to prevent onset of professional illnesses connected with the hearing.
  • generic reference numeral 1 relates to the improved hair-dryer in its entirety, which comprises, in known ways set out in the introductory preamble:
  • the improved hair-drying device 1 comprises, in a novel way, according to the first version, first sound-absorbing means 2 positioned internally of the casing 12, interposed between the rear section 13 and the fan 16, destined to reduce the noise level and/or the turbulence associated to the air flow W which is created between the rear section 13 and the front section 14.
  • the first sound-absorbing means 2 comprise at least a sleeve 20, realised in a spongy sound-absorbing material, internally passed-through by the air flow W which is created between the rear section 13 and the front section 14.
  • the sleeve 20 is positioned preferably coaxial to the rear section 13 of the casing 12, in line with the fan 16.
  • the sleeve 20 is advantageously shaped in to a hollow conical structure having a divergent internal section proceeding from the rear section 13 towards the fan 16.
  • the first sound-absorbing means 2 further comprise a tubular insert 21, positioned coaxially internally of the sleeve 20, having a honeycomb celled structure interested by the air flow W which is created between the rear section 13 and the front section 14.
  • the tubular insert 21 advantageously exhibits an external profile which is complementary to an internal profile of the sleeve 20.
  • the tubular insert 21 as shown in the figures of the drawings, comprises a plurality of parallel honeycombs, substantially tubular, having parallel axes to the axis of symmetry of the insert 21.
  • the improved hair-drying device 1 comprises a closing capsule 3 suitable for removably coupling with the casing 12 in proximity of the rear section 13, and provided with a plurality of peripheral holes 30 able to allow inlet of the ambient air and conveying the air to the rear section 13 through a hollow space 4 identified between the casing 12 and the closing capsule 3.
  • peripheral holes 30 are distributed aligned on a peripheral crown of the capsule 3 lying on a plane that is perpendicular to the longitudinal axis of the casing 12, preferably in proximity of the coupling section with the casing 12.
  • the holes 30 are radial with respect to the longitudinal axis of the casing 12 and are preferably circular with the centre on axes which are arranged radially with respect to the longitudinal axis, such that the holes are facing in different directions from one another.
  • the rear part of the device 1 comprising the rear section 13 and destined to couple with the capsule 3 is axialsymmetric with respect to the longitudinal axis and so is the closing capsule 3 too.
  • the rear part has lateral annular walls covered by the annular lateral walls of the capsule 3 (when coupled), such as to define, between them, the hollow space 4 which has at least a partly annular shape, with a conical progression, and is symmetrical with respect to the previously-cited longitudinal axis of the casing 12.
  • the hollow space 4 can taper in a distancing direction from the coupling section and can terminate in an internal chamber.
  • the capsule 3 is integrated to the casing or, in other words, is coupled thereto unremovably.
  • the improved hair-drying device 1 comprises second sound-absorbing means 5, associated to the bottom 31 of the closing capsule 3, comprising at least a plate 50 realised with spongy sound-absorbing material and arranged facing the rear section 13 of the casing 12.
  • the plate 50 and the bottom 31 of the capsule 3 are profiled in a planar geometry, while in figure 4 the plate 50 and the bottom 31 are profiled concave with respect to the air flow Z coming from the hollow space 4.
  • a conical appendage 51 emerges from the plate 50, which appendage 51 projects towards the facing rear section 13 of the casing 12, still with the aim of reducing noisiness and/or the turbulence associated to the air flow Z coming from the hollow space 4.
  • the proposed improved hair-drying device is able to guarantee especially lower levels of noise with respect to the solutions at present available on the market, thanks to the presence of the first sound-absorbing means positioned internally of the casing, interposed between the rear section and the fan, possibly acting in combination with the second sound-absorbing means associated to the bottom of the closing capsule, if present.
  • the first and/or second sound-absorbing means are advantageously made of a spongy material having a predetermined porosity.
  • the improved hair-drying device is therefore particularly useful for professional use, being able to prevent any sensation of discomfort and annoyance due to the working noise level, both for the customer and the operator.
  • the improved hair-drying device enables preventing the onset of professional illnesses connected to the hearing apparatus.
  • sound-insulating means 200, 21 are provided, positioned internally of the casing 12, interposed between the rear section 13 and the fan 16, provided for reducing the noisiness associated to the air flow W which is created between the rear section 13 and the front section 14, which sound-insulating means comprise a sound-insulating element 200 having an internal passage 22 for enabling the flow W to cross it, and conforming a plurality of small fins 201, the respective free edges of which at least partially define the internal passage 22, the fins being distanced from one another such that between one and the other there is an empty space (see figures from 7 to 10).
  • the sound-insulating element 200 is preferably made of PVC, although other materials, such as plastic materials, can be used.
  • the fins 201 are annular, parallel and coaxial.
  • the internal edges of the fins 201 are located on the lateral surface of an ideal cone diverging from the rear section 13 towards the fan 16.
  • the cone can be regular, i.e. a circular cone, or not.
  • the sound-insulating means further comprise a tubular insert 21, positioned in the internal passage 22 of the sound-insulating element 200, having a honeycomb structure suitable for being interested by the air flow W.
  • This tubular insert 21 can be like the insert of the first version.
  • the sound-insulating element 200 has an axialsymmetric annular shape and comprises an engaging section 202 the internal lateral surface of which partly defines the internal passage 22.
  • the tubular insert 21 has an axialsymmetric form, is located in the engaging section 202 such as to occupy a part of the internal passage 22, and has an external lateral surface located in contact with the internal lateral surface of the engaging section 202, the two surfaces having complementary shapes.
  • the coupling between the tubular insert 21 and the engaging section 202 can be a friction coupling or can be achieved by gluing or known fixing means.
  • the insert 21 comprises a plurality of parallel honeycombs 210, the axis of which is parallel to the axis of symmetry of the insert and the axis of symmetry of the sound-insulating element 200.
  • the second version of the invention can comprise embodiments in which it comprises the closing capsule 3 made exactly like the one in the first version, in all its variants.
  • the improved hair-drying device though being particularly designed for professional use, is very effective also in simple and sporadic domestic use.

Landscapes

  • Cleaning And Drying Hair (AREA)
  • Drying Of Solid Materials (AREA)

Claims (6)

  1. Verbesserte Haartrockungsvorrichtung, umfassend:
    - einen Griff (11), welcher dazu ausgelegt ist, ein Gehäuse (12) zu tragen, welches sich senkrecht dazu erstreckt und welches mit einem Hinterabschnitt (13) zum Einlassen von Umgebungsluft und einem Vorderabschnitt (14) zum Abgeben von behandelter Luft bereitgestellt ist;
    - einen Elektromotor (15), welcher innerhalb des Gehäuses (12) angeordnet ist, wobei auf eine Achse davon wenigstens ein Gebläse (16) aufgesetzt ist, welches Gebläse (16) ebenfalls in dem Gehäuse angeordnet ist und in der Lage ist, einen Luftstrom von dem Hinterabschnitt (13) zu dem Vorderabschnitt (14) zu erzeugen;
    - elektrische Heizmittel (17), welche in dem Gehäuse (12) angeordnet und zwischen dem Gebläse (16) und dem Vorderabschnitt (14) angeordnet sind, und in der Lage sind, wenigstens ein Heizen der von dem Hinterabschnitt (13) kommenden und durch den Vorderabschnitt (14) abgegebenen Luft bereitzustellen;
    - elektrische Versorgungs- und Steuermittel des Elektromotors (15) und der elektrischen Heizmittel (17), welche an dem Griff (11) angeordnet sind;
    - Mittel (18) zum Filtern von von der Umgebungsluft beim Einlassen getragenen Fremdelementen, welche dem Hinterabschnitt (13) zugeordnet sind;
    - schalldämpfende Mittel (200, 21), welche innerhalb des Gehäuses (12) positioniert sind und zwischen dem Hinterabschnitt (13) und dem Gebläse (16) angeordnet sind, welche zum Verringern des dem Luftstrom (W) zugehörigen Lärms bereitgestellt sind, welcher zwischen dem Hinterabschnitt (13) und dem Vorderabschnitt (14) erzeugt wird, welche schalldämpfenden Mittel ein schalldämpfendes Element (200) umfassen, welches einen Innendurchgang (22) aufweist, um es dem Strom (W) zu gestatten, durch es hindurch zu strömen;
    wobei die Vorrichtung dadurch gekennzeichnet ist, dass das schalldämpfende Element (200) die Form einer Mehrzahl von ringförmigen, parallelen und koaxialen Rippen aufweist, welche derart voneinander beabstandet sind, dass sich ein leerer Raum zwischen der einen und der anderen ergibt, wobei ihre jeweiligen freien Ränder wenigstens teilweise den Innendurchgang (22) definieren.
  2. Vorrichtung nach dem vorhergehenden Anspruch, wobei die inneren Ränder der Rippen (201) an der lateralen Fläche eines idealen Kegels angeordnet sind, welcher von dem Hinterabschnitt (13) in Richtung des Gebläses (16) auseinander läuft.
  3. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die schalldämpfenden Mittel ferner einen ringförmigen Einsatz (21) umfassen, welcher in dem Innendurchgang (22) des schalldämpfenden Elements (200) angeordnet ist und eine Wabenstruktur aufweist, welche geeignet ist, mit dem Luftstrom (W) zu wechselwirken und von ihm durchströmt wird.
  4. Vorrichtung nach dem vorhergehenden Anspruch, wobei das schalldämpfende Element (200) eine ringförmige axialsymmetrische Form aufweist und einen Eingriffsabschnitt (202) umfasst, dessen innere laterale Fläche teilweise den Innendurchgang (22) definiert, und wobei der ringförmige Einsatz (21) eine axialsymmetrische Form aufweist und derart in dem Eingriffsabschnitt (202) angeordnet ist, dass er einen Teil des Innendurchgangs (22) einnimmt und eine äußere laterale Fläche aufweist, welche sich in Kontakt mit der inneren lateralen Seite des Eingriffsabschnitts (202) befindet, wobei die beiden Flächen eine komplementäre Form aufweisen.
  5. Vorrichtung nach dem vorhergehenden Anspruch, wobei der Einsatz (21) eine parallele Mehrzahl von Waben (210) umfasst, von denen eine Achse parallel zu der Symmetrieachse des Einsatzes und zu der Achse des schalldämpfenden Elements (200) ist.
  6. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei das schalldämpfende Element (200) aus PVC gefertigt ist.
EP11807990.4A 2010-11-22 2011-11-21 Vorrichtung zum trocknen von haaren Active EP2642884B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2010A000696A IT1404304B1 (it) 2010-11-22 2010-11-22 Dispositivo asciugacapelli perfezionato
PCT/IB2011/055218 WO2012069983A1 (en) 2010-11-22 2011-11-21 Hair -drying device

Publications (2)

Publication Number Publication Date
EP2642884A1 EP2642884A1 (de) 2013-10-02
EP2642884B1 true EP2642884B1 (de) 2014-08-27

Family

ID=43742555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11807990.4A Active EP2642884B1 (de) 2010-11-22 2011-11-21 Vorrichtung zum trocknen von haaren

Country Status (5)

Country Link
EP (1) EP2642884B1 (de)
CN (1) CN103281930B (de)
ES (1) ES2524743T3 (de)
IT (1) IT1404304B1 (de)
WO (1) WO2012069983A1 (de)

Families Citing this family (30)

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Publication number Priority date Publication date Assignee Title
TW201320921A (zh) * 2011-11-29 2013-06-01 rui-hong Yang 吹風機減低噪音結構
GB201205690D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
GB201205695D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd Hand held appliance
GB201205679D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
SG11201405589SA (en) 2012-03-30 2014-11-27 Dyson Technology Ltd A hand held appliance
GB201205683D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
GB201205687D0 (en) 2012-03-30 2012-05-16 Dyson Technology Ltd A hand held appliance
GB2503687B (en) 2012-07-04 2018-02-21 Dyson Technology Ltd An attachment for a hand held appliance
IN2014DN11020A (de) 2012-07-04 2015-09-25 Dyson Technology Ltd
GB2515811B (en) 2013-07-05 2015-11-11 Dyson Technology Ltd A handheld appliance
GB2515810B (en) 2013-07-05 2015-11-11 Dyson Technology Ltd A hand held appliance
RU2635063C2 (ru) 2013-07-05 2017-11-08 Дайсон Текнолоджи Лимитед Ручной бытовой прибор
GB2515808B (en) 2013-07-05 2015-12-23 Dyson Technology Ltd A handheld appliance
GB2515809B (en) 2013-07-05 2015-08-19 Dyson Technology Ltd A handheld appliance
GB2515815B (en) 2013-07-05 2015-12-02 Dyson Technology Ltd A hand held appliance
GB2515813B (en) 2013-07-05 2017-07-05 Dyson Technology Ltd A handheld appliance
GB2531431B (en) 2013-07-24 2016-11-02 Dyson Technology Ltd An attachment for a handheld appliance
AU355722S (en) 2013-09-26 2014-05-23 Dyson Technology Ltd A hair dryer
AU355721S (en) 2013-09-26 2014-05-23 Dyson Technology Ltd A hair dryer
GB2518639B (en) 2013-09-26 2016-03-09 Dyson Technology Ltd A hand held appliance
AU355723S (en) 2013-09-26 2014-05-23 Dyson Technology Ltd A hair dryer
GB2518656B (en) 2013-09-27 2016-04-13 Dyson Technology Ltd Hand held appliance
CN103815645A (zh) * 2014-01-04 2014-05-28 张红星 一种设置消音装置的电吹风机
GB2533324B (en) 2014-12-16 2017-12-13 Dyson Technology Ltd A hand held appliance
AU363171S (en) 2015-01-12 2015-08-06 Dyson Technology Ltd A hair appliance
GB2534378B (en) 2015-01-21 2018-07-25 Dyson Technology Ltd An attachment for a hand held appliance
GB2534379B (en) 2015-01-21 2018-05-09 Dyson Technology Ltd An attachment for a hand held appliance
EP3313228A1 (de) * 2015-06-26 2018-05-02 Hospistyle di Trapani Maria Haartrockner mit hoher elektrischer sicherheit
WO2021047626A1 (zh) * 2019-09-12 2021-03-18 追创科技(苏州)有限公司 手持式吹风机
CN110448029A (zh) * 2019-09-12 2019-11-15 追觅科技（天津）有限公司 手持式吹风机及消音支撑件

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US4596921A (en) * 1984-05-22 1986-06-24 Hersh Alan S Low noise hand-held hairdryer
US6148537A (en) * 1998-10-16 2000-11-21 Wahl Clipper Corporation Hair drying device with reduced sound emissions
FR2926704B1 (fr) * 2008-01-25 2013-02-01 Velecta Paramount Silencieux pour appareil de sechage et seche-cheveux silencieux
US20100064542A1 (en) * 2008-09-15 2010-03-18 Hamilton Beach Brands, Inc. Hair drying apparatus
BRPI0804541A2 (pt) * 2008-10-23 2010-06-29 Oscar Jose Rodrigues aperfeiçoamentos introduzidos em secador de cabelos elétrico com redutor de ruìdos e redutor de ruìdos
WO2010045698A1 (en) * 2008-10-23 2010-04-29 Rodrigues Oscar Jose Electrical hair dryer with noise reducer and noise reducer

Also Published As

Publication number Publication date
CN103281930A (zh) 2013-09-04
EP2642884A1 (de) 2013-10-02
WO2012069983A1 (en) 2012-05-31
CN103281930B (zh) 2016-05-25
ES2524743T3 (es) 2014-12-11
ITBO20100696A1 (it) 2012-05-23
IT1404304B1 (it) 2013-11-22

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