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
• • 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
• • 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
  • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
  • A45D20/50—Hair-drying combs or hair-drying brushes, with internal heating means and provision for an air stream

Definitions

• the present invention relates to the technical field of electric hair shaping apparatus comprising a hot air fan and an accessory in the form of a motorized or static hair brush.
• Such an accessory is traversed by a flow of air generated by the hot air fan, with a hollow sleeve and brush bristles emerging from the sleeve.
• the invention particularly relates to an accessory intended to adapt to such electrical shaping apparatus.
• Such hair shaping devices make it possible to form corrugations in the hair of a person, the hair being wet.
• the drying and shaping of the hair is then ensured by a hair brush, assisted by a flow of hot air that carries the necessary heat to the hair.
• This brush can be rotated manually by the user or automatically by an electric motor.
• the corrugations are formed while the brush is rotating manually or motorized, rotating the brush in a lock of hair to be shaped.
• Said lock of hair is wound as a result of the rotary drive of the hair grasped by the bristles and / or the coating surface of the brush, consecutive to the rotation thereof.
• a patent FR2978333 is known in the name of the applicant which describes an electric hair shaping apparatus with a hairbrush disposed on a handle which comprises a hot air flow device.
• the hairbrush includes a hollow sleeve including a set of bristle tufts and a set of through openings for passing the airflow.
• the sleeve described in this patent has a shape promoting the shaping of the hair.
• the hair being grasped by the tufts of bristles is only heated by the hot air discharged through the openings. It turns out that this configuration is not efficient enough for drying and shaping the hair due to heat loss.
• Another document FR2258814 is known which describes an electric hair shaping brush with rows of bristle tufts and a plurality of heating elements interposed between the rows of tufts of bristles. Said electrically heated elements are prominent with respect to the sleeve of the brush, to ensure a heat exchange between the brush and the hair. Nevertheless, the apparatus described in this document does not include a hot air flow device. The heat exchange is only through the contact of the hair with the heating elements which does not allow to have a uniform and effective drying.
• the object of the invention is to overcome the aforementioned drawbacks and to provide an air-flow electric hairdressing apparatus having a better drying efficiency and shaping hair.
• Another object of the invention is an electric air-flow hairdresser with a reduced heater power at equal efficiency.
• Another object of the invention is an electric airflow hairdressing apparatus for shaping hair with reduced bulk.
• Yet another object of the invention is an electric airflow hairdresser which is easy to use and multipurpose
• an accessory adapted to fit on an electric air-flow hairdresser comprising a hollow sleeve having a longitudinal axis (L) and capable of mounting on the hairdressing appliance, the sleeve comprising a set of rows of bristle tufts and rows of through openings adapted to pass the flow of air.
• the accessory comprises a conductive hair heating means arranged prominently from the outer surface (Sext) of the sleeve.
• Heating means means for diffusing heat by conduction to the hair, said means being itself heated by hot air from the hair styling apparatus.
• the heating means is thus passively heated by convection. It is not heated electrically, that is to say by an electric heating element, of the electric resistance type, in contact with the heating means of the hair. Since the heating means is arranged prominently from the outer surface of the sleeve, it is more easily in contact with the hair during use, which makes it possible to promote heat transmission and to increase the drying efficiency. shaping hair.
• “bristles” are understood to mean any type of hair, natural or synthetic, of pins for example made of plastic or all of the two hairs and spikes, which make it possible to catch and / or train the wick.
• the bristles can be of different natures, but also of different lengths, to adapt to any type of hair or any length of hair.
• the bristles can be grouped by tufts of several or be individual if they are pimples for example.
• said rows of through openings may be arranged in the direction of the longitudinal axis (L) and at least a portion of said heating means is intended to cover at least one row of through openings.
• the heating means completely covers the row of through openings.
• Each row of through openings may comprise a plurality of through openings for passing the air flow, the openings being of identical or different shapes and / or sizes. It may also be a continuous longitudinal opening in the form of a through groove.
• said heating means comprises at least one longitudinal bar arranged in the direction of the longitudinal axis (L) on the outer surface (Sext) of the sleeve. Said longitudinal bar being parallel to the rows of bristle tufts makes it possible to optimize its contact with the hair.
• said at least one longitudinal bar comprises a reversible fixing means for making said longitudinal bar detachable from said sleeve.
• the heating means comprises at least two longitudinal bars, each intended to cover a row of through openings.
• the longitudinal bars are directly in contact with the flow of hot air coming from the inside of the sleeve which makes it possible to create a convection in addition to the conduction of heat.
• a longitudinal bar is arranged on either side of each row of through openings.
• these rows of air outlets and the longitudinal bars are alternately arranged to better combine in a balanced way the two means of heating the hair namely heating by air blast and heating by thermal conduction.
• the heating means comprises a hollow cylinder arranged on the outer surface (Sext) of the sleeve, said hollow cylinder having at least one longitudinal bar.
• the hollow cylinder will therefore be in direct contact with the hair.
• said hollow cylinder has air flow passage zones parallel to and spaced apart with said longitudinal bars.
• said zones have through holes of identical section and opposite rows of through openings to pass the air flow.
• the accessory includes a plug for holding the hollow cylinder on the outer surface (Sext) of the sleeve.
• a plug for holding the hollow cylinder on the outer surface (Sext) of the sleeve.
• said longitudinal bar is made of metal, preferably aluminum. This makes it possible to increase the efficiency of thermal transmission to the hair.
• said longitudinal bar has, in section along a plane orthogonal to said longitudinal axis (L), an upper end constituting an arc of a circle.
• the upper end corresponds to the opposite side to the outer surface (Sext) of the sleeve.
• This end of the longitudinal bar being in contact with the hair during use of the apparatus, has a greater contact area due to its rounded shape which promotes the transmission of heat to the hair.
• said longitudinal bar has, in section along its longitudinal plane of symmetry, an upper end constituting a regular undulation or a comb.
• the longitudinal plane of symmetry corresponds to a plane of symmetry of the longitudinal bar to which the longitudinal axis (L) belongs.
• the upper end in regular waving or combing allows to distribute the hair homogeneously and thus optimize their drying and shaping.
• an electric airflow hairdresser comprising an air inlet opening, a heating element, a fan, a fan drive means, and an exit aperture of blown air, the apparatus comprising an accessory according to the preceding characteristics.
• FIG. 1 is a simplified sectional view of an electric hairbrush according to the invention
• FIG. 2 is a perspective view of an accessory according to a first embodiment of the invention
• FIG. 3 is an exploded view of the accessory according to FIG. 2,
• FIG. 4 is a sectional view of the accessory according to FIG. 2,
• FIG. 5 is a perspective view of an accessory according to a second embodiment of the invention.
• FIG. 6 is an exploded view of the accessory according to FIG. 5,
• FIG. 7 is a sectional view of the accessory according to FIG. 5,
• FIG. 8a, 8b and 9 illustrate sectional views of the longitudinal bar according to its different variants.
• the electric airflow hairdressing apparatus 100 is illustrated in a simplified sectional view in FIG. 1.
• the apparatus 2 without an accessory comprises a housing 200 forming a handle 201 gripping extended forward by a hair accessory 1.
• the handle 201 contains air circulation means between an air inlet opening 202 and an air outlet opening 204 located near the accessory 1.
• the housing 200 also contains, between its openings air inlet 202 and those of air outlet 204, a fan 207 rotated by a drive means of the fan 206, for example an electric motor, in the extension of which is arranged a heating element 205.
• the hairdressing accessory 1 has a cylindrical tubular base 14 extending forwardly by an active part intended to come into contact with the hair.
• the electric hairbrush 100 may comprise a second electric motor for driving the accessory 1
• the construction of the apparatus 2 and the drive of the accessory 1 are in particular known from document FR2978333. These elements are part of the general knowledge of those skilled in the art and do not require further description.
• Figures 2 to 5 show the accessory 1 according to the invention. It comprises a sleeve 10 defining a hollow body having a longitudinal axis (L) capable of being mounted on the hairstyling apparatus 100.
• the sleeve has a cylindrical tubular Sext outer surface provided with several rows of tufts of bristles 11 and orifices or through openings 12, 12 'able to pass the flow of air. More specifically, the rows of bristle tufts 11 and the rows of through-openings 12, 12 'are arranged in the direction of the longitudinal axis (L), each two rows of tufts of bristles 11 being spaced apart by a row of bristles. through openings 12, 12 '.
• the accessory 1 comprises a means 4 for heating the hair by conduction, said means 4 is arranged prominently from the outer surface (Sext) of the sleeve 10.
• the heating means 4 comprises a plurality of longitudinal bars 41 parallel to each other and arranged in the direction of the longitudinal axis (L ) to the outer surface (Sext) of the sleeve 10.
• the sleeve 10 has a first series of rows of through openings 12, each row being composed of round openings of different sizes to pass the flow of air and a second series of rows of through openings 12 ', each row being a through groove 12' for receiving the longitudinal bar 41.
• the first series and the second row series of through openings are arranged alternately.
• each longitudinal bar 41 once installed in the direction of the longitudinal axis (L) on the sleeve, covers a row of through openings 12 '. The blast of hot air is retained every other time when all the longitudinal bars are put in place.
• each longitudinal bar 41 has a prominent thickness from the outer surface (Sext) of the sleeve 10 which promotes contact with the hair and the heat transfer.
• each longitudinal bar has an upper end which corresponds to the side opposite the outer surface (Sext) of the sleeve 10, the section along a plane orthogonal to said longitudinal axis (L) of said upper end constituting an arc. circle.
• the longitudinal bars are removable for use on several diameters of different brushes and for fixing the hairstyle in cold air position to avoid having to wait for their cooling.
• the longitudinal bars 41 each comprise a reversible fixing means 410, for example clipping.
• the heating means 4 comprises a hollow cylinder 40 adapted to be mounted on the outer surface (Sext) of the sleeve 10.
• Said cylinder hollow 40 has a plurality of longitudinal bars 41 similar to those of the first embodiment. They are arranged in the direction of the longitudinal axis (L) and have a prominent thickness from the outer surface (Sext).
• the hollow cylinder also has air flow passage zones 42 parallel to longitudinal bars 41 and arranged alternatively therewith. Said zones 42 are intended to be placed over a row of through openings in order to let the air flow through.
• the sleeve 10 is provided with identical rows of through openings 12 with holes, whereas the zones 42 present through holes 420 of identical section and opposite the through openings 12.
• the longitudinal bars 41 and the air flow passage areas 42 forming part of the hollow cylinder 40 which is in one piece, are simultaneously mounted on the outer surface (Sext) of the sleeve 10.
• the hollow cylinder has between each longitudinal bar 41 and passage zone 42 a slot 44 for passing the tufts of bristles 11 when the hollow cylinder 40 slides on the sleeve 10.
• the hollow cylinder 40 is maintained in place thanks to a plug 43 which is itself connected to the sleeve by screwing or clipping.
• the hot air blast is retained once in two when the hollow cylinder 40 is mounted on the sleeve 10.
• each longitudinal bar has an upper end which corresponds to the opposite side to the outer surface (Sext) of the sleeve 10, the section along a plane orthogonal to said longitudinal axis (L) of the said upper end constituting an arc.
• each longitudinal bar has a prominent thickness from the outer surface (Sext) to promote contact with the hair.
• the longitudinal bar may also be hollow below said upper end thereby creating spacing to receive more hot air and increase heating efficiency.
• the longitudinal bars 41 may have a corrugated contact surface, sinusoidal line or rectified sinusoidal line; they can also take the form of a comb.
• Cross-sectional views along the longitudinal plane of symmetry of the longitudinal bar which correspond to these variants are shown in FIGS. 8a, 8b and 9. These shapes make it possible to increase the exchange surface with the locks of hair, thus improving the heat transmission.
• the longitudinal bars 41 are made of metal, preferably aluminum for its thermal conduction performance.
• the longitudinal bars are arranged directly on the sleeve. Areas that are covered with longitudinal bars have no transverse openings. [38] In operation, when the brush is switched on, the air gradually warms the aluminum bars, which reach the air temperature at the outlet of the brush, around 90 ° C. These bars are heated by the hot air flow out of the mandrel and coming to "lick" the bars. They can be additionally heated by the air passing through the holes through the mandrel and covered by the bars, these bars then provide heat to the hair that comes into contact with it, for drying and for shaping.

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• Cleaning And Drying Hair (AREA)
• Brushes (AREA)
• Hair Curling (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=52684519

Family Applications (1)

Country Status (5)

Cited By (1)

Families Citing this family (8)

Family Cites Families (14)

• 2014
  • 2014-12-30 FR FR1463425A patent/FR3031019A1/fr not_active Ceased
• 2015
  • 2015-12-23 ES ES15823370T patent/ES2706410T3/es active Active
  • 2015-12-23 CN CN201580071920.5A patent/CN107105860B/zh active Active
  • 2015-12-23 WO PCT/FR2015/053746 patent/WO2016108018A1/fr active Application Filing
  • 2015-12-23 EP EP15823370.0A patent/EP3240455B1/de active Active

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