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EP2782471B1 - Integraler diffusor für einen haartrockner - Google Patents

Integraler diffusor für einen haartrockner Download PDF

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Publication number
EP2782471B1
EP2782471B1 EP12795559.9A EP12795559A EP2782471B1 EP 2782471 B1 EP2782471 B1 EP 2782471B1 EP 12795559 A EP12795559 A EP 12795559A EP 2782471 B1 EP2782471 B1 EP 2782471B1
Authority
EP
European Patent Office
Prior art keywords
diffuser
base
previous
diffuser according
fingers
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
EP12795559.9A
Other languages
English (en)
French (fr)
Other versions
EP2782471A1 (de
Inventor
Eddy NGO
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
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Publication of EP2782471A1 publication Critical patent/EP2782471A1/de
Application granted granted Critical
Publication of EP2782471B1 publication Critical patent/EP2782471B1/de
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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 a diffuser for hair dryers, and a hairdryer comprising this diffuser.
  • Such an apparatus is intended to uniformly distribute the air blown by a hair dryer and is provided with fingers for distributing and moving wet hair to dry.
  • diffusers have a base with a rear shell whose orifice is attached to the tip of the hair dryer and a front shell with protruding fingers and multiple orifices.
  • the air coming from the hair dryer passes into a defined space inside the two hulls and exits through the holes in the front hull.
  • Such a diffuser is inevitably composed of two molded parts and is very bulky.
  • the object of the invention is to provide an improved solution of diffusion of air from a hair dryer, which does not reproduce the drawback or drawbacks of the state of the art.
  • the invention provides a monobloc diffuser according to claim 1.
  • the central portion may have a substantially convex geometric shape, the convexity being oriented forward.
  • the central part of the diffuser is curved towards the outside.
  • the flow of air blown against this convex central base thus follows the convex line and is directed towards the rather central part of the base before going through the entire base from its central part to its radial end. Flow flow is relatively laminar.
  • the central part comprises openings for passing part of the air flow. This allows a flow to flow through the center of the diffuser.
  • the base may comprise a substantially cylindrical opening at its central zone at the level of which a fastening means is arranged to cooperate with a hair dryer. It can be a fixing by screw, bayonet or other means within the reach of the skilled person.
  • the central portion may be inscribed in a crown cone portion positioned towards the front of the diffuser and having as axis the central axis of the substantially cylindrical opening at the central zone of its base.
  • the airflow is all the more homogeneous.
  • the central portion may comprise openings arranged between at least one ring whose surface is inclined in order to form a guide ramp capable of laterally guiding a flow of air.
  • the central part may comprise a dome-shaped cap.
  • the cap can form a substantially semi-spherical dome at its top. The circulation of the flow is all the more laminar.
  • the central part may comprise pillars which extend from the base to its top, so as to maintain at least one ring and the cap.
  • the diffuser may comprise fingers which extend forwardly from the front face of the base so as to come into contact with the hair to be dried.
  • the diffuser may comprise at least one finger having at least two openings for the passage of an air flow.
  • the heating of the fingers is all the more uniform.
  • the diffuser may comprise several fingers distributed over a first circle.
  • the diffuser may comprise a plurality of fingers arranged on a second circle concentric with the first circle.
  • the fingers of two circles can be staggered, thus ensuring a better passage of the flow through the diffuser.
  • the internal volume of the fingers can be empty and form hollow portions of the rear surface of the base.
  • the base may have a concave shape, concavity oriented forward.
  • the base may have a substantially conical or parabolic shape.
  • the invention also relates to a hair dryer comprising at least one diffuser according to the invention described herein.
  • the invention may therefore relate to a set consisting of a hair dryer, the diffuser according to the invention and at least one other type of air concentration nozzle accessory.
  • the invention relates to a method of manufacturing a diffuser for a hair dryer described here, characterized in that it comprises a single molding step.
  • This method has the advantages of saving material, and eliminating all the fixing steps known in the prior art, producing an increase in productivity.
  • the diffuser associated with a hair dryer to define its forward and backward directions, these directions along a longitudinal axis x corresponding to the flow axis of the air flow transmitted to the diffuser, the forward direction being oriented towards the air outlet of the diffuser.
  • the rear part of the diffuser is particularly visible on the figure 1 . It comprises at its rear end a cylindrical opening 2 whose contour 3 is equipped with a fixing means 4 for receiving a corresponding conduit of a hair dryer.
  • the outer surface of the diffuser expands forward from this rear opening, and forms a base 1 for the arrangement of elements involved in the diffusion of air, which are arranged at the inside this base, on its front surface, as will be detailed later.
  • the rear surface of the base comprises hollow portions 5 at the level of fingers 6, visible on the Figures 1 and 2 , which allows a lightening of the diffuser and a reduction of its cost by a reduction of the quantity of material used. These fingers 6 extend beyond the front end 7 of the base 1.
  • the Figures 3 and 4 show the arrangement arranged inside the base 1, for diffusing a flow of air that arrives through the rear opening 2.
  • This arrangement comprises first a central portion, arranged in the extension of the opening 2, directly intended to receive and broadcast the stream of incoming air from the hair dryer.
  • This central portion extends forwardly along the longitudinal axis x, which represents an axis of symmetry in the embodiment shown. It comprises four support members or pillars 11, of substantially triangular shape, the rear portion 12 of which is widest disposed on the base 1 perpendicularly to the cylindrical opening 2. The four pillars 11 are distributed every quarter turn on the contour of this opening 2. Then, the front end 13 of these pillars 11, in the form of a point, form a support for receiving a ring 14 and a cap 15.
  • L Ring 14 has the axis of symmetry the longitudinal axis x.
  • This ring represents a small portion of cone.
  • the central portion comprises an open structure between this ring 14 and the various pillars 11, promoting the lateral exhaust of the air flow.
  • the cap 15 is in the form of a hemisphere centered on the longitudinal axis x, which prevents the flow of air along this axis, and participates in its lateral diffusion. It forms a dome in the center of this central part, whose interior space is oriented behind the back, or towards the opening 2.
  • the central portion of the diffuser could be slightly offset from the longitudinal axis x of the diffuser, and / or be oriented in a slightly inclined direction relative to this longitudinal direction x. According to another variant, it could extend forward in a direction along an axis, corresponding or not to the longitudinal axis x, which does not necessarily represent an axis of symmetry. In all cases, the section of the central part by a plane perpendicular to this axis, corresponding or not to the longitudinal axis x, remains constant or decreases from the rear to the front.
  • the central portion may take other forms, which remain for example inscribed in a crown cone portion positioned towards the front of the diffuser
  • the diffuser comprises fingers 6 which extend forward, intended to come into contact with the hair to be dried.
  • These fingers have a cylindrical or conical shape and extend parallel to the longitudinal direction or slightly inclined with respect to this direction. They have a hollow volume and include several openings 8, which allow a flow of air to pass through them, which promotes the lateral diffusion of air, the fingers forming a barrier of lesser importance than if they had not 8.
  • a part of the air flow can escape through the openings of the rear surface of the base 1 at the hollow portions 5 formed by the fingers, thereby diffusing the air more widely on the hair.
  • the fingers 6 are distributed on the base 1, between the opening 2 which occupies a central rear position and its front end 7. According to the embodiment, they are distributed over two concentric circles, centered on the axis of the opening 2, and are thus symmetrically distributed around the longitudinal axis x. The fingers 6 of each of the two circles are further arranged in staggered rows, to promote their spatial distribution.
  • the fingers may have any other shape, and / or comprise any other number of openings.
  • the diffuser could include another number of fingers, and a different distribution of these fingers on the base 1.
  • the base 1 can take any shape, symmetrical or not around the longitudinal axis x, as a shape substantially cone portion or parabola.
  • the diffuser is made of heat resistant plastic material up to a temperature of about [170 ° C] such as [135 ° C].
  • the invention also relates to a complete hair dryer incorporating a diffuser as described above.
  • the hair dryer comprises a device for generating an air flow, a heating element, and a hot air duct for a connection to the diffuser.
  • This connection can be obtained by any connecting means, preferably removable.
  • the invention also relates to a method of manufacturing a diffuser for a hair dryer, which preferably comprises a single molding step, to thereby form a diffuser which is in a monolithic form, monolithic, plastic material.
  • the diffuser has a base and a central portion each having an axis of symmetry coincident which is substantially parallel to the axis.
  • the central portion (14, 15) extends forwardly from the base, for example extends from the opening of the base.
  • the user attaches the diffuser to the air outlet nozzle of the hair dryer and comes to apply the diffuser to the scalp by rotational movement, the distal ends of the fingers being almost in contact with the scalp for dry the most quickly and most evenly wet hair.

Landscapes

  • Cleaning And Drying Hair (AREA)

Claims (17)

  1. Diffusor für einen Haartrockner, umfassend eine Basis (1), die eine hintere Öffnung (2), die dazu bestimmt ist, den Einlass eines Luftstroms aufzunehmen, und eine vordere Seite aufweist, die für die Diffusion eines austretenden Luftstroms bestimmt ist, wobei der Diffusor Finger (6) umfasst, die sich von der vorderen Seite der Basis (1) nach vorne erstrecken, so dass sie mit zu trocknenden Haaren in Kontakt kommen können, dadurch gekennzeichnet, dass der Diffusor einstückig ist und einen zentralen Abschnitt (14, 15) umfasst, der sich von der Basis (1) nach vorne erstreckt und einen Querschnitt aufweist, der abnimmt oder konstant bleibt, wenn er sich von der Basis nach vorne erstreckt, wobei der zentrale Abschnitt (14, 15) Öffnungen umfasst, um einen Teil des Luftstroms in das Zentrum des Diffusors durchzulassen.
  2. Diffusor nach dem vorhergehenden Anspruch, wobei der mittlere Abschnitt (14, 15) eine im Wesentlichen konvexe geometrische Form aufweist, wobei die Konvexität nach vorne ausgerichtet ist.
  3. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Basis (1) eine im Wesentlichen zylindrische Öffnung (2) bei ihrem zentralen Bereich aufweist, bei dem ein Befestigungsmittel (4) angeordnet ist, um mit einem Haartrockner zusammenzuwirken.
  4. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der zentrale Abschnitt (14, 15) in einen Kegelspitzenabschnitt liegt, der zu der Vorderseite des Diffusors hin angeordnet ist und als Achse die Mittelachse der Öffnung (2) hat, die im Wesentlichen zylindrisch bei dem zentralen Bereich seiner Basis (1) ist.
  5. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der zentrale Abschnitt (14, 15) Öffnungen umfasst, die zwischen mindestens einem Ring (14) und verschiedenen Stützen ausgebildet sind, wobei der Ring eine geneigte Oberfläche umfasst, um eine Führungsrampe zu bilden, die geeignet ist, einen Luftstrom seitlich zu führen.
  6. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der zentrale Abschnitt (14,15) eine kuppelförmige Kappe (15) umfasst.
  7. Diffusor nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Kappe (15) an ihrer Oberseite eine im wesentlichen halbkugelförmige Kuppel bildet.
  8. Diffusor nach Anspruch 5 kombiniert mit Anspruch 6 oder 7, dadurch gekennzeichnet, dass der zentrale Abschnitt Stützen (11) umfasst, die sich von der Basis (1) zu seiner Oberseite erstrecken, um mindestens einen Ring (14) und die Kappe (15) beizubehalten.
  9. Diffusor nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass er mindestens einen Finger (6) umfasst, der mindestens zwei Öffnungen (8) aufweist, die den Durchtritt eines Luftstroms ermöglichen.
  10. Diffusor nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass er mehrere Finger (6) umfasst, die über einen ersten Kreis verteilt sind.
  11. Diffusor nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass er mehrere Finger (6) umfasst, die auf einem zweiten Kreis konzentrisch zu dem ersten Kreis angeordnet sind.
  12. Diffusor nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Finger (6) der beiden Kreise zueinander versetzt angeordnet sind.
  13. Diffusor nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass das Innenvolumen der Finger (6) leer ist und hohle Abschnitte (5) der hinteren Oberfläche der Basis (1) bildet.
  14. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Basis (1) eine konkave Form mit einer nach vorne gerichteten Konkavität aufweist.
  15. Diffusor nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Basis (1) eine im Wesentlichen konische oder parabolische Form aufweist.
  16. Haartrockner, dadurch gekennzeichnet, dass er mindestens einen Diffusor nach einem der vorhergehenden Ansprüche umfasst.
  17. Verfahren zur Herstellung eines Diffusors für einen Haartrockner nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass es einen einzigen Formungsschritt umfasst.
EP12795559.9A 2011-11-22 2012-11-16 Integraler diffusor für einen haartrockner Active EP2782471B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1160639A FR2982749B1 (fr) 2011-11-22 2011-11-22 Diffuseur monobloc pour seche-cheveux
PCT/FR2012/052640 WO2013076407A1 (fr) 2011-11-22 2012-11-16 Diffuseur monobloc pour seche-cheveux

Publications (2)

Publication Number Publication Date
EP2782471A1 EP2782471A1 (de) 2014-10-01
EP2782471B1 true EP2782471B1 (de) 2018-02-28

Family

ID=47291153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12795559.9A Active EP2782471B1 (de) 2011-11-22 2012-11-16 Integraler diffusor für einen haartrockner

Country Status (5)

Country Link
EP (1) EP2782471B1 (de)
CN (1) CN103945730B (de)
ES (1) ES2664515T3 (de)
FR (1) FR2982749B1 (de)
WO (1) WO2013076407A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019218042A1 (pt) * 2018-05-18 2019-11-21 Silva Denivaldo Goncalves Da Difusor de ar para secador de cabelos
WO2022129847A1 (en) * 2020-12-17 2022-06-23 Dyson Technology Limited Diffuser
USD1100329S1 (en) 2023-06-14 2025-10-28 Dyson Technology Limited Apparatus for hair styling and hair care
USD1100328S1 (en) 2023-06-14 2025-10-28 Dyson Technology Limited Apparatus for hair styling and hair care

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7051688B2 (ja) * 2016-09-02 2022-04-11 シャープ株式会社 頭皮環境改善装置および頭皮環境改善方法
EP3598919A1 (de) 2018-07-25 2020-01-29 Koninklijke Philips N.V. Fönaufsatz
CN111166036A (zh) * 2020-03-13 2020-05-19 深圳奥郎格环保有限公司 扩散器和干发器
CN114652074A (zh) * 2022-04-30 2022-06-24 梁家墅 一种吹风机
USD1021238S1 (en) 2022-06-02 2024-04-02 Sharkninja Operating Llc Hair care appliance

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230279A (en) * 1979-06-08 1980-10-28 Helene Curtis Industries, Inc. Hair dryer attachment
US5275339A (en) * 1992-12-10 1994-01-04 Andis Company Diffuser for hair dryer
DE59602263D1 (de) * 1995-09-14 1999-07-22 Ligo Electric S A Auf ein luftdurchströmtes gerät aufsetzbares werkzeug zur haarformung und/oder haartrocknung
JP2002521109A (ja) * 1998-07-30 2002-07-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 毛髪乾燥／整髪器具
US20030079366A1 (en) * 2001-10-25 2003-05-01 Chun-Chuan Chang Hair dryer
EP1549170A4 (de) 2002-05-29 2008-07-09 Conair Ionenerzeugungsvorrichtung
US7047660B2 (en) * 2003-10-17 2006-05-23 Clio Designs Incorporated Hair dryer attachment
CN100455231C (zh) * 2004-05-21 2009-01-28 建福实业有限公司 吹风器扩散器
CN101257816A (zh) * 2005-09-01 2008-09-03 炽达实业有限公司 用于发式定型的空气扩散器
FR2892278B1 (fr) * 2005-10-25 2007-11-30 Seb Sa Seche-cheveux comportant un dispositif permettant de modifier la geometrie du flux d'air
US20090188125A1 (en) * 2008-01-25 2009-07-30 Kam Fai Fung Conditioning attachment for hair dryer
CN201758987U (zh) * 2010-07-02 2011-03-16 邱晓忠 可调节风量吸风式吹风机散风器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019218042A1 (pt) * 2018-05-18 2019-11-21 Silva Denivaldo Goncalves Da Difusor de ar para secador de cabelos
WO2022129847A1 (en) * 2020-12-17 2022-06-23 Dyson Technology Limited Diffuser
USD1100329S1 (en) 2023-06-14 2025-10-28 Dyson Technology Limited Apparatus for hair styling and hair care
USD1100328S1 (en) 2023-06-14 2025-10-28 Dyson Technology Limited Apparatus for hair styling and hair care

Also Published As

Publication number Publication date
CN103945730B (zh) 2017-08-01
FR2982749B1 (fr) 2014-05-16
ES2664515T3 (es) 2018-04-19
FR2982749A1 (fr) 2013-05-24
EP2782471A1 (de) 2014-10-01
WO2013076407A1 (fr) 2013-05-30
CN103945730A (zh) 2014-07-23

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