EP2782471A1 - Diffuseur monobloc pour seche-cheveux - Google Patents
Diffuseur monobloc pour seche-cheveuxInfo
- Publication number
- EP2782471A1 EP2782471A1 EP12795559.9A EP12795559A EP2782471A1 EP 2782471 A1 EP2782471 A1 EP 2782471A1 EP 12795559 A EP12795559 A EP 12795559A EP 2782471 A1 EP2782471 A1 EP 2782471A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- diffuser
- base
- diffuser according
- central portion
- 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.)
- Granted
Links
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000009792 diffusion process Methods 0.000 claims description 7
- 241001459904 Conus regius Species 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 210000004761 scalp Anatomy 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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 a hair dryer, and a hairdryer comprising the 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.
- US7562466 discloses by way of example a diffuser for hairdryers of the state of the art.
- This diffuser defines a base having a rear opening for receiving the inlet of an air flow and a front face for the diffusion of an outgoing air flow, and a central portion dug inwards and provided with of orifices for the passage of air.
- This base no longer has 2 shells assembled together but is made of a single piece. This solution is still insufficient in practice.
- this diffuser is composed of two parts, the base and the central part, assembled together, and the distribution of the air flow of a hair dryer equipped with this diffuser is not homogeneous because remains relatively centered at the level of the entrance of the diffuser without spreading all over the base.
- 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 proposes a monobloc diffuser for a hair dryer, comprising a base having a rear opening intended to receive the inlet of an air flow and a front face intended for the diffusion of a flow of air.
- outgoing air characterized in that it comprises a central portion which extends forwardly from the base and having a cross section which decreases or remains constant as it moves forward from the base. This narrowing of continuous section allows a distribution of the air flow as possible to the outside of the base and therefore the most distributed over the entire base of the diffuser.
- 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 portion may include openings for passing a portion 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 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.
- Figure 1 shows a rear perspective view of a hair dryer diffuser according to one embodiment of the invention.
- Figure 2 shows a side view of the hair dryer diffuser according to the embodiment of the invention.
- Figures 3 and 4 show front perspective views of the diffuser for hair dryer according to one embodiment of the invention.
- Figure 5 shows a side sectional view along a median longitudinal plane of the diffuser for hair dryer according to the embodiment of the invention.
- 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 according to one embodiment, intended for an orientation on the side of a hair dryer, is particularly visible in FIG. 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 fingers 6, visible in Figures 1 and 2, which allows a lightening of the diffuser and a reduction in its cost by a reduction in the amount of material used . These fingers 6 extend beyond the front end 7 of the base 1.
- 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 elements or pillars 1 1, 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 1 1 are distributed quarter turn around the contour of this opening 2.
- the front end 13 of these pillars 1 1, shaped tip form a support for receiving a ring 14 and a cap 15
- the ring 14 has the axis of symmetry the longitudinal axis x.
- the central part comprises an open structure between this ring 14 and the various pillars January 1, promoting the lateral escape 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 rear, or towards the opening 2.
- the central part of the diffuser could be slightly offset from the longitudinal axis x of the diffuser, and / or be oriented in a direction slightly inclined with respect 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, 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, thereby forming a diffuser which is in a monolithic, monolithic form of plastic material.
- the invention relates to a preferred mode of monobloc diffuser but could relate to a diffuser in several assembled parts, for example a diffuser with main part the base provided with fingers and for secondary part the convex central dome attached by the arches to the main room.
- a diffuser with main part the base provided with fingers and for secondary part the convex central dome attached by the arches to the main room.
- 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)
Abstract
Description
Claims
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 true EP2782471A1 (fr) | 2014-10-01 |
EP2782471B1 EP2782471B1 (fr) | 2018-02-28 |
Family
ID=47291153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12795559.9A Active EP2782471B1 (fr) | 2011-11-22 | 2012-11-16 | Diffuseur monobloc pour seche-cheveux |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2782471B1 (fr) |
CN (1) | CN103945730B (fr) |
ES (1) | ES2664515T3 (fr) |
FR (1) | FR2982749B1 (fr) |
WO (1) | WO2013076407A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109715003A (zh) * | 2016-09-02 | 2019-05-03 | 夏普株式会社 | 头皮环境改善装置及头皮环境改善方法 |
BR102018010209A2 (pt) * | 2018-05-18 | 2019-12-10 | Denivaldo Goncalves Da Silva | difusor de ar para secador de cabelos |
GB2602091B (en) * | 2020-12-17 | 2023-10-11 | Dyson Technology Ltd | Diffuser |
USD1021238S1 (en) | 2022-06-02 | 2024-04-02 | Sharkninja Operating Llc | Hair care appliance |
Family Cites Families (12)
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 |
WO2003101242A2 (fr) | 2002-05-29 | 2003-12-11 | Conair Corporation | Dispositif generateur d'ions |
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 |
WO2009094519A1 (fr) * | 2008-01-25 | 2009-07-30 | Conair Corporation | Accessoire de soin capillaire pour séchoir |
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 |
-
2011
- 2011-11-22 FR FR1160639A patent/FR2982749B1/fr active Active
-
2012
- 2012-11-16 CN CN201280056413.0A patent/CN103945730B/zh active Active
- 2012-11-16 WO PCT/FR2012/052640 patent/WO2013076407A1/fr active Application Filing
- 2012-11-16 EP EP12795559.9A patent/EP2782471B1/fr active Active
- 2012-11-16 ES ES12795559.9T patent/ES2664515T3/es active Active
Also Published As
Publication number | Publication date |
---|---|
ES2664515T3 (es) | 2018-04-19 |
FR2982749B1 (fr) | 2014-05-16 |
WO2013076407A1 (fr) | 2013-05-30 |
FR2982749A1 (fr) | 2013-05-24 |
EP2782471B1 (fr) | 2018-02-28 |
CN103945730B (zh) | 2017-08-01 |
CN103945730A (zh) | 2014-07-23 |
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