EP4039125B1 - Sèche-cheveux - Google Patents

Sèche-cheveux Download PDF

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Publication number
EP4039125B1
EP4039125B1 EP22020027.3A EP22020027A EP4039125B1 EP 4039125 B1 EP4039125 B1 EP 4039125B1 EP 22020027 A EP22020027 A EP 22020027A EP 4039125 B1 EP4039125 B1 EP 4039125B1
Authority
EP
European Patent Office
Prior art keywords
diameter
cap
hairdrying
concavity
air
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
EP22020027.3A
Other languages
German (de)
English (en)
Other versions
EP4039125A1 (fr
Inventor
Arturo Morgandi
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.)
Tenacta Group SpA
Original Assignee
Tenacta Group SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from IT102021000002390A external-priority patent/IT202100002390A1/it
Application filed by Tenacta Group SpA filed Critical Tenacta Group SpA
Publication of EP4039125A1 publication Critical patent/EP4039125A1/fr
Application granted granted Critical
Publication of EP4039125B1 publication Critical patent/EP4039125B1/fr
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
    • 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 refers to a hairdrying device; in particular, the present invention relates to a hairdrying device provided with a depression at its rear part.
  • Hair dryers have been known for some time, typically provided with a main body wherein an air duct, a motor and a fan are housed, to facilitate the airflow inside the duct, from the air inlet to the air outlet.
  • Such hairdryers are typically also provided with a heating element to heat the air inside said duct and with a handle allowing the user to grab the hairdryer with one hand.
  • a hairdryer typically also involves the use of a brush to create a fold in the hair during the hairdrying phasef.
  • the typical hair dryer handle is suitable to be held by the user.
  • the user tends to grip the hairdryer in various parts other than the typical grip, with the tendency to try to grip the hairdryer also in the front part, which is typically the hairdryer hottest part, with the strong risk to get burned.
  • the Applicant has found the need to create a hairdryer equipped with an alternative handle that allows a user to grip the hairdryer in total safety and to use it effectively in any situation, even in association with a brush.
  • the Applicant has also found the need to create a hairdryer equipped with an ergonomic handle.
  • the present invention relates to a device for drying hair such as the one indicated in claim 1.
  • a device for drying hair consisting of a main body provided with an external body, an air inlet placed at the device rear part and an air outlet located at the device front part, wherein said main body further comprises: a duct adapted to allow the air to flow from said inlet to said air outlet, at least one fan adapted to facilitate the flow of air inside said duct, and at least one cap.
  • said cap is constituted by a substantially spherical or hemispherical portion adapted to at least partially surround said fan and by a substantially cylindrical terminal portion facing said air inlet, wherein said terminal portion has a smaller diameter than the diameter of said cap substantially spherical or hemispherical portion.
  • the hairdrying device of the present invention is characterized in that said concavity consists of a) a first portion facing towards said device front part, b) a second portion facing towards said device rear part, and c) a central portion intermediate between said first and second portion wherein the change in slope of said concavity, wherein the diameter D1 in said first portion decreases in the direction from said device front part towards said central portion, the diameter D2 in said second portion increases from said central portion towards said device rear part so that the diameter D3 at said central portion is smaller than both the diameter D1 in said first portion and the diameter D2 in said second portion.
  • the hairdryer body to be provided with a depression located on the hairdryer back, where the air is typically cold or much less hot, the latter being usable by the user as an alternative handle to the traditional handle of a hairdryer, thus providing the hairdryer with improved ergonomics.
  • said diameter D1 is from 101% to 150%, preferably between 110% and 140%, with respect to said diameter D3, and said diameter D2 is from 101% to 150%, preferably between 110% and 140%, with respect to said diameter D3.
  • said concavity is provided with a significant slope which further favors the grip by the user, contrary to some devices known in the art wherein there is no depression provided with such a concavity.
  • said diameter D1 is between 35 mm and 100 mm, preferably between 45 mm and 90 mm
  • said diameter D2 is between 35 mm and 100 mm, preferably between 45 mm and 90 mm
  • said diameter D3 is comprised between 30 mm and 70 mm, preferably between 40 mm and 60 mm.
  • the diameter D3 at the concavity slope change area varies in an appropriate range to the typical dimensions of the user's hand fingers, thus allowing a user to grasp the device of the present invention with his own hand. Furthermore, the aforementioned ranges within which the diameters D1 and D2 dimensions vary allow both such diameters D1 and D2 to be always greater than the diameter D3.
  • the distance D along the device longitudinal direction between the point facing said device front part where said concavity begins and the point facing said device rear part where said concavity ends is between 20 mm and 60 mm, preferably between 25 mm and 50 mm.
  • this distance D between the starting point and the end point of the concavity allows to obtain a depression in proximity of said substantially cylindrical terminal portion facing said air inlet such as to have sufficient space and at the same time not too large to facilitate the insertion of a user's hand into this depression to easily grip the device of the present invention.
  • said central intermediate portion between said first and second portion wherein the slope change of said concavity is present is positioned substantially at the intermediate point between the point facing towards said device front part where said concavity starts and the point facing said device rear part where said concavity ends.
  • the concavity is arranged symmetrically between the point where the concavity begins and the point where the concavity ends, although in other embodiments the concavity could be arranged asymmetrically.
  • said depression is made with a material different from the rest of the body, so that it is more prehensile.
  • said depression is made of a transparent material or of a different color from the body.
  • said depression is made with a smooth or rubbery material.
  • said depression is arranged along substantially the entire circular portion of said external body located at said terminal portion of said cap.
  • the user can grasp the device of the present invention at any point of the depression obtained in the external body.
  • said depression consists of a groove provided with a concavity facing outwards.
  • the portion of said concavity facing said device rear part has a greater slope than the concavity portion facing said device front part.
  • said concavity portion facing said device rear part has a slope less than or equal to the concavity portion facing said device front part.
  • the more or less accentuated concavity towards the front or towards the rear of the hairdrying device of the present invention further favors the grip by the user.
  • said cap terminal portion is constituted by a protuberance of the substantially spherical or hemispherical shaped portion facing the device rear part.
  • the internal portion of said cap is smooth.
  • the internal portion of said cap is provided with a plurality of raised ribs or fins, suitable for reducing noise.
  • the hairdrying device of the present invention also comprises a filter placed at the inlet for the air.
  • the filter prevents particles and dirt from entering the device of the present invention through the air inlet.
  • the diameter of said cap terminal portion is less than or equal to the diameter of said filter.
  • said terminal portion is substantially circular in shape, internally hollow.
  • the internal part of said end portion is provided with a plurality of channels designed to put said air inlet in communication with the internal part of said substantially spherical or hemispherical portion of the cap.
  • each of said channels is cylindrical in shape, or hourglass shape (i.e. substantially cylindrical in shape with a taper at the central portion), parallelepiped, or the like.
  • said channels are arranged substantially parallel to each other.
  • said fan is of the centrifugal type designed to suck the air along the device central axis, where the device central axis means the axis parallel to the flow of the sucked air.

Landscapes

  • Cleaning And Drying Hair (AREA)

Claims (10)

  1. Sèche-cheveux (1) composé d'un corps principal pourvu d'un corps externe (2), d'une entrée d'air (3) située dans la partie arrière (P) du sèche-cheveux (1) et d'une sortie d'air (4) située dans la partie avant (A) du sèche-cheveux (1), et dans lequel ledit corps principal comprend également : un conduit (5) permettant à l'air de circuler de ladite entrée (3) à ladite sortie (4), au moins un ventilateur (6) conçu pour faciliter la circulation de l'air dans ledit conduit (5), et au moins un cache (7),
    dans lequel
    ledit cache (7) est composé d'une partie essentiellement sphérique ou hémisphérique (7a), conçue pour entourer au moins partiellement ledit ventilateur (6), et d'une extrémité essentiellement cylindrique (7b) tournée vers ladite entrée d'air (3), dans lequel ladite extrémité (7b) a un diamètre plus petit que celui de ladite partie essentiellement sphérique ou hémisphérique (7a) du cache (7), et
    la partie dudit corps (2) située à l'extérieur dudit corps principal au niveau de ladite extrémité (7b) dudit cache (7) est pourvue d'un creux (11) formé dans ledit corps (2), en forme de concavité (11) tournée vers l'extérieur et disposée essentiellement le long de toute la partie circulaire dudit corps externe (2) sur ladite extrémité (7b) dudit cache (7),
    caractérisé en ce que ladite concavité (11) est composée de a) une première partie (11a) tournée vers ladite partie avant (A) du sèche-cheveux (1), b) une seconde partie (11b) tournée vers ladite partie arrière (B) du sèche-cheveux (1) et c) une partie centrale (11c) entre ladite première partie et ladite seconde partie (11a, 11b) dans laquelle il y a un changement de pente de ladite concavité (11), dans laquelle le diamètre (D1) dans ladite première partie (11a) diminue en direction de ladite partie avant (A) du sèche-cheveux (1) vers ladite partie centrale (11c), le diamètre (D2) dans ladite seconde partie (11b) augmente de ladite partie centrale (11c) vers ladite partie arrière (P) du sèche-cheveux (1) de sorte que le diamètre (D3) sur ladite partie centrale (11c) est plus petit que le diamètre (D1) dans ladite première partie (11a) et que le diamètre (D2) dans ladite seconde partie (11b).
  2. Sèche-cheveux (1) selon la revendication 1, dans lequel ledit diamètre (D1) dans ladite première partie (11a) est compris entre 101 % et 150 %, de préférence entre 110 % et 140 %, par rapport audit diamètre (D3) de la partie centrale (11c), et dans lequel ledit diamètre (D2) dans ladite seconde partie (11b) est compris entre 101 % et 150 %, de préférence entre 110 % et 140 %, par rapport audit diamètre (D3) de ladite partie centrale (11c).
  3. Sèche-cheveux (1) selon l'une quelconque des revendications précédentes, dans lequel ledit diamètre (D1) dans ladite première partie (11a) est compris entre 35 mm et 100 mm, de préférence entre 45 mm et 90 mm, ledit diamètre (D2) dans ladite seconde partie (11b) est compris entre 35 mm et 100 mm, de préférence entre 45 mm et 90 mm, et ledit diamètre (D3) de ladite partie centrale (11c) est compris entre 30 mm et 70 mm, de préférence entre 40 mm et 60 mm.
  4. Sèche-cheveux (1) selon l'une quelconque des revendications précédentes, dans lequel la distance (D) le long du sens longitudinal du sèche-cheveux (1) entre le point tourné vers ladite partie avant (A) du sèche-cheveux (1) où ladite concavité commence et le point tourné vers ladite partie arrière (B) du sèche-cheveux (1) où ladite concavité se termine est comprise entre 20 mm et 60 mm, de préférence entre 25 mm et 50 mm.
  5. Sèche-cheveux (1) selon l'une quelconque des revendications précédentes, incluant également un filtre (12) situé au niveau de l'entrée d'air (3).
  6. Sèche-cheveux (1) selon la revendication 5, dans lequel le diamètre de ladite extrémité (7b) du cache (7) est inférieure ou égale au diamètre dudit filtre (12).
  7. Sèche-cheveux (1) selon l'une quelconque des revendications précédentes, dans lequel ladite extrémité (7b) est creuse à l'intérieur ou pourvue d'une pluralité de passages (8) conçus pour faire communiquer ladite entrée d'air (3) avec la partie interne de ladite partie essentiellement sphérique ou hémisphérique (7a) du cache (7).
  8. Sèche-cheveux (1) selon l'une quelconque des revendications précédentes, dans lequel ledit ventilateur (6) est de type centrifuge, conçu pour aspirer l'air le long de l'axe parallèle au débit d'air aspiré.
  9. Sèche-cheveux (1) selon l'une quelconque des revendications précédentes, comprenant également à l'intérieur un moteur (9) conçu pour activer ledit ventilateur (6).
  10. Sèche-cheveux (1) selon l'une quelconque des revendications précédentes, comprenant également au moins un élément chauffant (10) conçu pour chauffer l'air à l'intérieur dudit conduit (5), dans lequel ledit au moins un élément chauffant (10) se compose d'au moins une plaque souple ayant une forme essentiellement conique ou tronconique pourvue d'une pluralité de résistances électriques fixées de manière uniforme autour de ladite plaque.
EP22020027.3A 2021-02-03 2022-01-30 Sèche-cheveux Active EP4039125B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000002390A IT202100002390A1 (it) 2021-02-03 2021-02-03 Asciugacapelli
IT202100029273 2021-11-19

Publications (2)

Publication Number Publication Date
EP4039125A1 EP4039125A1 (fr) 2022-08-10
EP4039125B1 true EP4039125B1 (fr) 2023-12-06

Family

ID=80035040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22020027.3A Active EP4039125B1 (fr) 2021-02-03 2022-01-30 Sèche-cheveux

Country Status (3)

Country Link
EP (1) EP4039125B1 (fr)
CN (1) CN114847612B (fr)
ES (1) ES2971004T3 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS536157A (en) * 1976-07-07 1978-01-20 Matsushita Electric Works Ltd Hair dryer
GB2226953B (en) * 1989-01-16 1992-01-02 Dixons Group Plc Hand-held personal care devices
EP2255692A1 (fr) * 2009-05-27 2010-12-01 Ondal Friseurtechnik GmbH Sèche-cheveux
CN101779856A (zh) * 2010-02-09 2010-07-21 黄伟雄 一种电吹风
US9046304B2 (en) * 2011-11-08 2015-06-02 Paula Gulak Air dryer
CN206365592U (zh) * 2016-11-29 2017-08-01 深圳怡然电器有限公司 一种手抓按摩式发热梳
US10973298B2 (en) * 2017-09-12 2021-04-13 The Beachwaver Co. Digitally controlled hairdryer
CN209489639U (zh) * 2018-12-25 2019-10-15 杭州瑞德设计股份有限公司 一种带有空心梳齿的迷你手握式吹风机

Also Published As

Publication number Publication date
ES2971004T3 (es) 2024-06-03
EP4039125A1 (fr) 2022-08-10
CN114847612B (zh) 2024-06-07
CN114847612A (zh) 2022-08-05

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