EP3897279A1 - Appareil de coiffure a vapeur - Google Patents
Appareil de coiffure a vapeurInfo
- Publication number
- EP3897279A1 EP3897279A1 EP19827735.2A EP19827735A EP3897279A1 EP 3897279 A1 EP3897279 A1 EP 3897279A1 EP 19827735 A EP19827735 A EP 19827735A EP 3897279 A1 EP3897279 A1 EP 3897279A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vaporization chamber
- steam
- injection pipe
- vaporization
- chamber
- 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
- 238000009834 vaporization Methods 0.000 claims abstract description 180
- 238000002347 injection Methods 0.000 claims abstract description 143
- 239000007924 injection Substances 0.000 claims abstract description 143
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 210000004209 hair Anatomy 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000009825 accumulation Methods 0.000 claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 230000008016 vaporization Effects 0.000 claims description 177
- 230000002209 hydrophobic effect Effects 0.000 claims description 43
- 238000009826 distribution Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000008021 deposition Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 17
- 208000006558 Dental Calculus Diseases 0.000 description 12
- 239000007921 spray Substances 0.000 description 8
- 230000000295 complement effect Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000002537 cosmetic Substances 0.000 description 3
- 239000008233 hard water Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
-
- 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D1/06—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws
- A45D1/08—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws the jaws remaining parallel to each other during use, e.g. the jaws sliding parallel to each other
-
- 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
-
- 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
- A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity
-
- 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D1/06—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws
-
- 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
- A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
- A45D2/001—Hair straightening appliances
-
- 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D2001/002—Accessories therefor
-
- 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
- A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
- A45D2001/008—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with vapor generation, e.g. steam
-
- 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
- A45D2200/00—Details not otherwise provided for in A45D
- A45D2200/05—Details of containers
- A45D2200/054—Means for supplying liquid to the outlet of the container
Definitions
- the present invention relates to the field of styling devices, and more specifically styling devices generating steam.
- Hairdressing appliances generally consist of two jaws articulated together and facing each other, each having a treatment surface, at least one of which is heated, the other making it possible to bring a wick of hair in contact with the heated surface.
- the articulated jaws generally comprise a zone for gripping the device at the end comprising the articulation, in order to be able to handle the device and in particular to be able to pivot the jaws to a closed position, so as to pinch a lock of hair.
- shaping of the hair is carried out by pinching a lock of hair at the level of the root, then sliding the styling device along the lock, from the root from hair to tip.
- treatment surfaces can be arranged on the jaws, depending on the desired hair shaping.
- treatment surfaces with substantially flat complementary shapes will be used for smoothing, curved for curling, or embossed for embossing.
- Document WO2014064660 describes for example a styling device comprising a liquid reservoir, and in which a jaw comprises a vaporization system, and a system for distributing vapor to a lock of hair.
- a liquid typically water or a cosmetic product for hair, is stored in the reservoir, and injected into the vaporization system comprising a chamber, through a pipe.
- the liquid passes into the vapor state and can reach the distribution system, comprising a plurality of slit-shaped orifices oriented so as to project the steam on a lock of hair pinched between the two treatment surfaces.
- the styling device should be made more compact by reducing in particular the volume of the spray system.
- reducing the volume of the vaporization chamber has the effect of reducing the life of the styling appliance, since scaling will take place more quickly, typically at a point of injection of the liquid at the end of the pipe in the vaporization chamber.
- An objective of the invention is to propose a solution to the problems identified, and in particular to improve the life of a styling appliance, with regard in particular to scaling, without reducing its compactness, and in particular by retaining a low height of the vaporization chamber.
- a steam hairstyling device for shaping hair comprising:
- first jaw and a second jaw arranged facing one another and articulated with one another, a first treatment surface being carried by the first jaw and a second treatment surface being carried by the second jaw, the first and second treatment surfaces being configured to pinch at least one lock of hair, a liquid tank,
- the first and / or second jaw further comprising
- a vaporization system for the liquid in vapor comprising at least one vaporization chamber communicating via an injection pipe with the liquid reservoir, the injection pipe having a free end forming an injection point of the liquid in the vaporization chamber,
- a system for distributing the vapor coming from the vaporization system comprising at least one orifice for distributing the vapor towards the at least one lock of hair,
- the vaporization chamber comprises an internal surface covered at least in part by a hydrophobic layer positioned under the injection point.
- the hair styling device proposed according to this first aspect may include the following characteristics, taken alone or in combination:
- the hydrophobic layer comprises polytetrafluoroethylene (PTFE);
- the hydrophobic layer is positioned only under the injection point and on a surface of between 10 mm 2 and 2000 mm 2 , preferably between 100 mm 2 and 1000 mm 2 , and more preferably between 500 mm 2 and 600 mm 2 , for example 552 mm 2 ;
- the hydrophobic layer has a planar shape, preferably substantially rectangular or triangular
- the hydrophobic layer has a three-dimensional shape comprising inclined planes, for example has a shape of a pyramid or trunk of a pyramid;
- the hydrophobic layer is an element added to the vaporization chamber and held in position by an immobilization device comprising a centering element of said element relative to the injection point, preferably the centering element comprises a half-pin centering formed in the vaporization chamber and intended to cooperate with a notch of complementary shape formed in the insert;
- the vaporization chamber is obtained by molding a metallic material, and in which the hydrophobic layer is formed by applying a hydrophobic material to the internal surface of the vaporization chamber, for example in the manner of 'a paint or coating;
- the internal surface of the vaporization chamber further comprises a hydrophilic layer; the hydrophilic layer is covered at least in part by the hydrophobic layer;
- the hydrophilic layer comprises a woven material, and preferably a glass fabric
- the injection pipe is bevelled at the free end forming the injection point
- the injection pipe has a portion cut in half
- the vaporization system further comprises a secondary vaporization chamber in fluid communication with the vaporization chamber, said secondary chamber comprising a plurality of baffles;
- the steam distribution system comprises a distribution chamber in which is disposed at least one steam distribution orifice, said distribution chamber being in vapor communication with the vaporization chamber, preferably the distribution chamber is disposed laterally to the vaporization chambers and secondary vaporization chamber;
- the vaporization system comprises a heating means, located at least partially below the vaporization chamber and comprising an electrical resistance known as a Positive Temperature Coefficient (PTC) or a ceramic;
- PTC Positive Temperature Coefficient
- the first and second treatment surfaces are substantially complementary and of flat, or curved, or embossed shape.
- a steam hairstyling device for shaping hair comprising:
- first jaw and a second jaw arranged facing one another and articulated with each other, a first treatment surface being carried by the first jaw and a second treatment surface being carried by the second jaw, the first and second treatment surfaces being configured to pinch at least one lock of hair,
- the first and / or the second jaw further comprising:
- a vaporization system for the liquid vapor comprising at least one vaporization chamber, having an internal surface and communicating via an injection pipe with the liquid reservoir, the injection pipe having a free end forming a point of injection of the liquid into the vaporization chamber, a system for distributing the vapor coming from the vaporization system, comprising at least one orifice for distributing the vapor towards the at least one lock of hair,
- the injection pipe comprises an opening extending substantially along the injection pipe from the free end forming the injection point, the opening having a shape allowing the liquid coming from the reservoir to flow into the vaporization chamber in the event of accumulation and deposit of scale at the free end of the injection pipe.
- the hair styling device proposed according to this second aspect may include the following characteristics, taken alone or in combination:
- the opening comprises at least one slot extending along an axis substantially parallel to the injection pipe, preferably at least two slots extending on either side of the injection pipe, the at least two slots forming a plane preferably extending parallel to the internal surface of the vaporization chamber;
- the opening is a cut on a half-section of the injection pipe, extending along an axis substantially parallel to the injection pipe, preferably the injection pipe is arranged in the vaporization chamber so that the cut is on the side opposite the internal surface of the vaporization chamber;
- the injection pipe is bevelled at the free end forming the injection point
- a ratio between a height of the vaporization chamber and an internal diameter of the injection pipe is between 0.55 and 0.75;
- a hydrophilic layer extends over the internal surface of the vaporization chamber.
- the hydrophilic layer extends over the entire internal surface of the vaporization chamber.
- the hydrophilic layer comprises a woven material, preferably glass fabric.
- a portion of the hydrophilic layer is arranged so as to partially enter the free end of the injection pipe;
- the vaporization chamber comprises a hydrophobic layer arranged under the injection pipe at least at the injection point;
- the hydrophobic layer comprises polytetrafluoroethylene (PTFE);
- the hydrophobic layer is positioned only under the injection point and on a surface of between 10 mm 2 and 2000 mm 2 , preferably between 100 mm 2 and 1000 mm 2 , and more preferably between 500 mm 2 and 600 mm 2 , for example 552 mm 2 ;
- the hydrophobic layer is an element added in the vaporization chamber, preferably in the form of a plate, and held in position by an immobilization device comprising a centering element of said element added relative to the injection point;
- the vaporization system further comprises a secondary vaporization chamber, in fluid communication with the vaporization chamber and comprising a plurality of baffles;
- the steam distribution system comprises a distribution chamber in which is disposed at least one steam distribution orifice, said distribution chamber being in vapor communication with the vaporization chamber.
- the distribution chamber is disposed laterally to the vaporization chambers and to the secondary vaporization chamber.
- the vaporization system comprises a heating means, located at least partially below the vaporization chamber and comprising an electrical resistance known as a Positive Temperature Coefficient (PTC) or a ceramic;
- PTC Positive Temperature Coefficient
- the first and second treatment surfaces are substantially complementary and of flat, or curved, or embossed shape.
- Figure 1 illustrates an overview of a styling device as described in the present invention.
- FIG. 2 represents a perspective view of a spraying system according to an embodiment of the present invention.
- FIG. 3 represents a top view of the vaporization system according to the embodiment of FIG. 2.
- Figure 4A is a sectional view of the vaporization system shown in Figure 3 along the axis AA, according to a first embodiment of the vaporization chamber.
- Figure 4B is a sectional view of the vaporization system shown in Figure 3 along the axis BB, according to the embodiment of the vaporization chamber of Figure 4A.
- Figure 5 is a sectional view of the vaporization system shown in Figure 3 along the axis A-A, according to a second embodiment of the vaporization chamber.
- Figure 6A is a sectional view of the spray system according to the embodiment of Figure 5, at a first instant.
- FIG. 6B is a sectional view of the vaporization system according to the embodiment of FIG. 5, at a second instant, after the first instant illustrated in FIG. 6A.
- Figure 7 is a sectional view of the vaporization system shown in Figure 3 along the axis A-A, according to a fourth embodiment of the vaporization chamber.
- Figure 8A is a sectional view of the spray system according to the embodiment of Figure 7, at a first instant.
- Figure 8B is a sectional view of the vaporization system according to the embodiment of Figure 7, at a second time, after the first time illustrated in Figure 8A.
- Figure 1 illustrates an exploded perspective view of a steam styling apparatus for shaping hair.
- the steam hairstyling apparatus 1 generally comprises a first jaw 2 and a second jaw 3 arranged opposite one another and articulated with one another, by means of a hinge-type joint 20.
- L 'maximum angle a (not shown) of opening between the first and the second jaw is between 5 ° and 60 °, preferably between 10 ° and 20 °, and more preferably approximately equal to 15 °.
- a first treatment surface is carried by the first jaw 2 and a second treatment surface 4 is carried by the second jaw 3, the first and the second surface being intended for pinching a lock of hair.
- the first treatment surface and the second treatment surface 4 are generally complementary surfaces. They can have different shapes depending on the use of the styling device 1 desired, and are preferably interchangeable. Typically, the treatment surfaces are flat for a use of the styling device 1 as a straightening device, or curves (not shown) for use as a curling device or wavy (not shown) for a use as an embossing device. A looping device is for example described in the document EP0619087.
- the treatment surfaces can also be uneven, that is to say comprise a plurality of protrusions such as for example teeth or spikes (not shown).
- the steam hairstyling device also comprises a liquid reservoir, typically a water reservoir (not shown in FIG. 1), or a reservoir containing a cosmetic agent, which can be embedded in one of the jaws, or alternatively be arranged at a distance from the device in a so-called remote base, as envisaged in document EP3025610.
- a liquid reservoir typically a water reservoir (not shown in FIG. 1), or a reservoir containing a cosmetic agent, which can be embedded in one of the jaws, or alternatively be arranged at a distance from the device in a so-called remote base, as envisaged in document EP3025610.
- the liquid reservoir is in fluid communication with a liquid vaporization system 7 via an injection pipe 74.
- the liquid reservoir is included in the jaw comprising the liquid vaporization system 7.
- the vaporization system 7 comprises at least one vaporization chamber 71, called the first vaporization chamber or main vaporization chamber, occupying a first single volume, that is to say a volume defined without discontinuity or without obstacle or barrier.
- the single volume can be substantially parallelepipedal, for example having a rectangular, square, or trapezoidal section. This provides a good compromise between the compactness and the efficiency of the vaporization system.
- the internal surface of the vaporization chamber 71 is called the surface of the bottom wall of the vaporization chamber 71, that is to say the wall forming the bottom of the vaporization chamber 71. Thus, it is primarily on this internal surface that the fluid will be deposited by the injection pipe 74 to be transformed into vapor.
- a so-called free end of the injection pipe 74 forms an injection point in the main vaporization chamber 71.
- the injection pipe 74 projects inside the vaporization chamber 71, and the liquid contained into the tank can be injected into the main vaporization chamber 71 at this injection point.
- the injection pipe 74 is therefore separate from the vaporization chamber 71, that is to say that it is not the same part.
- the liquid in the tank is water, or a cosmetic product.
- the hairdressing apparatus further comprises a steam distribution system 7 'which is in communication with the vaporization system 7 and comprises one or more steam distribution orifices 75 in the direction of a lock of hair.
- the distribution system 7 ′ may for example comprise a distribution chamber 76 in vapor communication with the vaporization chamber 71, and in which is arranged the at least one steam distribution orifice 75.
- the distribution chamber 76 can extend laterally to the vaporization system 7, preferably over substantially the entire length of the vaporization system 7. This makes it possible to provide a compromise between the compactness and the efficiency of the vaporization systems 7 and of distribution T .
- the vaporization chamber 71 is preferably a compartment heated by a heating means 8, for example a heating means 8 disposed in contact with the vaporization chamber 71, so that a vaporization of the liquid injected into the vaporization chamber 71 can take place, independently of the heating of other components of the hairdressing appliance 1.
- the heating means 8 can for example be positioned under the vaporization system 7 as shown in the exploded view of FIG. 1.
- the heating means 8 can be arranged against the largest external surface of the vaporization system 7, preferably placed opposite the distribution orifices 75, and extend so as to be pressed at least partially against lateral surfaces of the system spray 7.
- vaporization is effective in the vaporization system 7 and in the vapor distribution system 7 ’.
- the vaporization system 7 has a maximum external volume of 110 ⁇ 35 ⁇ 12.5 mm, and has an internal volume sufficient for storage of the tartar contained in at least 35 liters of hard water and of hardness 28 ° f.
- the heating means 8 is for example provided for vaporizing water in a sequence of 10 seconds continuous and 10 seconds of rest with a flow rate around 1 g / min ⁇ 0.5 g / min.
- the vaporization system 7 can be made of a metal, an alloy or any heat-conducting material. Typically, the vaporization system 7 is made of aluminum and can be produced by molding or extrusion.
- the vaporization system 7 may comprise several parts, in particular at least one cover.
- the vaporization system 7 comprises a first part comprising the vaporization chamber 71 and pressed against the heating means 8, on which comes a second part, in this case a cover, comprising orifices, connected to the orifices of steam distribution 75.
- the different parts are sealed, for example by a silicone seal.
- a leaf spring allows the heating means 8 to be crushed by the vaporization system 7, in order to guarantee permanent contact and optimal operation.
- the heating means 8 can typically be an electrical resistance known as a Positive Temperature Coefficient (PTC) or a ceramic, but more generally any system making it possible to heat the vaporization chamber 71 in accordance with the desired objective.
- PTC Positive Temperature Coefficient
- the heating means 8 may comprise two heating elements, arranged laterally against each side of the vaporization system 7.
- one of the two heating elements is pressed between an external lateral surface of the vaporization chamber 71 and an external surface of the system. steam distribution 7 ', to heat the vaporization system 7 and the distribution system T simultaneously in a small footprint.
- the heating means 8 can be regulated by a thermistor, for example with a negative temperature coefficient or NTC, functioning as a temperature probe, preferably arranged above the injection point.
- the thermistor can allow better security of the hairdressing apparatus 1 by blocking the injection of liquid under particular conditions, for example depending on the temperature of the heating means 8.
- a low temperature limit is approximately 95 ° C. an upper temperature limit of 130 ° C, or alternatively according to a reduced temperature range, a lower temperature limit of 105 ° C and an upper temperature limit of 120 ° C, or even 110 ° C.
- the injection pipe 74 is arranged substantially in the center of the spray chamber 71.
- the end of the injection pipe 74 forming the injection point is arranged substantially at the first quarter of the length of the spray chamber.
- vaporization 71 the injection point should be placed in an area of the vaporization chamber 71 where a maximum temperature prevails and distant from the internal walls of the vaporization chamber 71, in order to improve the vaporization of the injected liquid . It is also advisable to move the injection point away from the steam distribution means 7 ′ in order to limit the risk of ejecting hot water which would not have had time to vaporize.
- the injection pipe 74 has an external wall at least 1 mm away from the internal wall of the vaporization chamber 71, and the height of the vaporization chamber is greater than 8 mm, in order to limit a deposit. of scale from the free end of the injection pipe 74 and therefore premature blockage.
- the injection pipe 74 can be made of a material comprising one or coated with a material on which the tartar does not adhere well, so as to limit a deposit of tartar.
- the material chosen can be polytetrafluoroethylene (PTFE, also known under the registered trademark Teflon®) which has the advantage of having excellent non-stick properties while being very resistant to heat.
- PTFE polytetrafluoroethylene
- at least one internal wall of the injection pipe 74 is coated with PTFE, so that the injection pipe 74 is resistant to high temperatures, in particular above 300 ° C. and has an internal wall with a coefficient of friction very weak, which limits a deposit of scale on the internal wall of the injection pipe 74.
- the injection pipe 74 preferably has a large internal section to prevent premature blockage of the free end of the injection pipe 74 for example.
- the internal section can typically have a diameter greater than 3 mm. Preferably greater than 4 mm.
- the wall of the injection pipe 74 may advantageously have a thickness greater than 1 mm.
- a ring of internal section of 6 mm and external of 7 mm in PPS (phenylene polysulphide) can be added to the injection pipe 74, in order to limit the heat transfer to the internal wall of the injection pipe 74.
- a ratio between the height of the vaporization chamber 71 and the diameter of the internal section of the injection pipe 74 is between 0.55 and 0.75, typically, the ratio is approximately 0.6 for a height of 4.9 mm and a diameter internal 3 mm.
- these dimensions have been optimized in order to guarantee the best possible scaling resistance while containing the dimensions of the various components.
- the portion forming the free end of the injection pipe 74 can have a specific shape making it possible to concentrate the possible accumulation of tartar in a specific area while providing an area where the liquid can continue to enter the vaporization chamber. 71 without being bothered by the accumulation of tartar.
- the injection pipe 74 is bevelled at the free end forming the injection point as illustrated in FIG. 4A.
- the injection pipe 74 may comprise an opening extending substantially along the injection pipe from the free end forming the injection point. The opening has a shape allowing the liquid coming from the reservoir to flow into the vaporization chamber 71 even in the event of accumulation and deposit of scale at the free end of the injection pipe 74.
- the opening of the injection pipe 74 is a cut on a half-section of the injection pipe 74, extending along an axis substantially parallel to the injection pipe 74.
- the injection pipe 74 is arranged in the vaporization chamber 71 so that the cutout is on the side opposite to the wall forming the bottom of the vaporization chamber 71.
- the vaporization chamber 71 is closed by a plate forming a cover, this means that the cut of the pipe 74 is then oriented towards the plate forming the cover.
- the opening of the injection pipe 74 comprises at least one slot extending along an axis substantially parallel to the injection pipe 74.
- the opening can comprise two slots extending on either side of the injection pipe 74.
- the internal surface of the vaporization chamber 71 is covered at least in part by a hydrophobic layer 9 positioned under the injection point.
- the hydrophobic layer 9 makes it possible not to generate evaporation under the injection point but to push the evaporation further into the evaporation chamber 71, so as not to store scale deposit under the injection point.
- the hydrophobic layer 9 is characterized by a high surface tension.
- the hydrophobic layer 9 comprises polytetrafluoroethylene (PTFE).
- PTFE is a material resistant to high temperatures (especially above 300 ° C) and has a very low coefficient of friction, which limits deposit of scale at the injection point since water cannot stay.
- the hydrophobic layer 9 is positioned only under the injection point. By this is meant that only a surface under the injection point is covered by the hydrophobic layer 9, which therefore does not entirely cover the internal surface of the vaporization chamber 71.
- the hydrophobic layer 9 can cover a surface between 10mm 2 and 2000mm 2 , preferably between 100mm 2 and 1000mm 2 , and more preferably between 500mm 2 and 600mm 2 .
- the hydrophobic layer 9 can cover the internal surface forming a bottom of the vaporization chamber 71, over an area of approximately 552 mm 2 .
- the hydrophobic layer 9 may have a planar shape, preferably substantially rectangular or triangular. It can also take a three-dimensional shape defined for example by inclined planes, making it possible to improve the sliding of the liquid to move the evaporation point away from the free end of the injection pipe 74. Such a three-dimensional shape can also contribute to distribute the liquid well when it arrives in the vaporization chamber, breaking the large drops and distributing them in smaller drops over the entire internal surface of the vaporization chamber 71. Thus, the efficiency of the vaporization is improved while reducing the risk of scaling (blockage) of the device.
- the shape of the hydrophobic layer 9 can also be produced during the manufacture of the vaporization chamber 71, typically by integrating the shape into the molding.
- the hydrophobic layer 9 has for example a pyramid shape.
- the hydrophobic layer 9 can have the shape of a truncated pyramid.
- the hydrophobic layer 9, if any, is formed by applying a hydrophobic material to an internal surface of the vaporization chamber 71.
- the hydrophobic material can be applied in the manner of a paint or a coating or sprayed on the internal surface of the spraying chamber 71.
- the hydrophobic layer 9 is an insert in the vaporization chamber 71.
- the add-on element is held in position in the vaporization chamber 71 by an immobilization device comprising a centering element 710 of the add-on element relative to the injection site.
- the centering element 710 comprises a centering half-pin 710a formed in the vaporization chamber 71 and intended to cooperate with a notch 9a of complementary shape formed in the insert 9.
- the internal surface of the vaporization chamber 71 comprises a hydrophilic layer 10, that is to say a layer characterized by low surface tension.
- the hydrophilic layer 10 extends over all or part of the internal surface of the vaporization chamber 71.
- the hydrophilic layer 10 can be positioned only under the injection point, in the sense that only one surface under the injection point is covered with the hydrophilic layer 10.
- the hydrophilic layer 10 extends over the entire internal surface of the vaporization chamber 71, so as to maximize diffusion of the liquid.
- the hydrophilic layer 10 comprises a woven material, for example a glass fabric, which makes it possible to remarkably limit the phenomenon of calefaction.
- the vaporization chamber 71 comprises a hydrophilic layer 10 covered at least in part by a hydrophobic layer 9.
- the liquid injected at the point injection drops as a drop on the hydrophobic layer 9, and remains in the form of a sphere due to the high surface tension of the hydrophobic material constituting the hydrophobic layer 9, this sphere then sliding towards the hydrophilic layer 10, at a distance from the injection place.
- the hydrophilic layer 10 having a low surface tension, the drop of water can evaporate instantly. This reduces the appearance of tartar which will in any event be deposited if necessary at a distance from the injection site.
- the liquid vaporization system 7 can also include a second vaporization chamber or secondary vaporization chamber 72, in fluid communication with the first chamber 71 and occupies a second separate volume.
- the first vaporization chamber 71 is then arranged upstream of the second vaporization chamber 72 in the direction of the passage of the vapor.
- the transformation of the liquid injected into the vaporization chamber 71 into vapor takes place in at least two separate vaporization chambers (71, 72).
- the second vaporization chamber or secondary vaporization chamber 72 comprises discontinuities or obstacles by the presence of baffles 73 to create a labyrinth type path for the vapor.
- baffle 73 is meant any obstacle or barrier placed in the chamber creating uneven movements of the vapor, in a zigzag pattern for example, reducing the speed of passage through the secondary vaporization chamber 72, and increasing contact with the surfaces of the different walls of chamber 72. This makes it possible to vaporize any drops of liquid, and thus to ensure total vaporization of the liquid, the heat exchange surface being increased by the presence of baffles 73.
- the baffles 73 can for example be distributed parallel to each other. This allows the passage of steam according to a regular geometry, therefore trapping tartar in a homogeneous manner in the second vaporization chamber 72.
- the first volume occupied by the first vaporization chamber 71 is greater than the second volume occupied by the second vaporization chamber 72, or even at least twice greater, so as to allow rapid vaporization in the first volume, and to not not reduce the compactness of the spray system 7.
- the possible distribution chamber 76 can be arranged laterally to the vaporization chamber 71 and to the secondary vaporization chamber 72, preferably over substantially the entire length of the vaporization system 7.
- FIGS. 6A, 6B and 8A, 8B Specific embodiments schematically representing the vaporization system 7 during operation are given in FIGS. 6A, 6B and 8A, 8B, in order to illustrate the advantages provided by the characteristics described above.
- the injection pipe 74 comprises an opening with a cutout on a half-section, and the internal surface of the vaporization chamber 71 is covered with a hydrophobic layer 9 covering all or part of the internal surface of the vaporization chamber 71.
- a first instant T1 typically during a first use of the styling appliance 1
- the liquid in coming from the reservoir is injected into the vaporization chamber 71 by the injection pipe 74, at the free end forming an initial injection point 1 1.
- the injected water evaporates on contact with the hydrophobic layer 9, at a vaporization point distant from the initial injection point 11, by a rapid increase in temperature. Since the liquid water injected may contain minerals, a gradual accumulation of limestone or tartar takes place at the end forming the initial injection point 1 1. A progressive deposit of tartar can take place inside the pipe d injection, until the end is blocked.
- a scale plug 12 clogs the end of the injection pipe 74.
- the water then flows into the vaporization chamber 71 at another injection point 11 ', located upstream of the injection pipe 74 relative to the point of initial injection 1 1. Water may possibly flow on either side of the injection pipe 74, or over the scale plug 12.
- the injection point 11 ′ is progressively shifted along the cutout of the injection pipe 74 throughout the use of the styling device 1, as a function of the scale accumulation. .
- the moment when the injection point becomes blocked by scale is remarkably prolonged in time, since it is necessary to wait until the entire length of the cut of the injection pipe 74 is blocked by scale so that water injection can no longer occur.
- the resistance of the device to scaling is considerably improved.
- the injection pipe 74 includes an opening with a slot at the free end, and the internal surface of the vaporization chamber 71 is covered with a hydrophobic layer 9 covering all or part of the internal surface of the vaporization chamber 71.
- T1 ′ typically during a first use of the styling device 1
- the liquid coming from of the reservoir is injected into the vaporization chamber 71 through the injection pipe 74, at the free end forming an initial injection point 1 1.
- the injected water evaporates on contact with the hydrophobic layer 9, at a vaporization point distant from the initial injection point 1 1, by a rapid increase in temperature. Since the injected liquid water may contain minerals, a gradual accumulation of limescale takes place at the level of the end forming the initial injection point 10. A progressive deposit of scale can take place inside the injection pipe 74, until an obstruction of the end.
- a scale plug 12 obstructs the end of the injection pipe 74.
- the water then flows into the vaporization chamber 71 at another injection point 11 ′, located upstream of the injection pipe with respect to the point d initial injection 11.
- the opening comprises two slots on either side of the injection pipe 74
- the water can flow at two injection points on either side injection pipe 74.
- the injection point 11 ′ gradually shifts along the slot throughout the use of the styling appliance 1, depending on the accumulation of tartar.
- the moment when the injection point becomes blocked by scale is remarkably prolonged in time, since it is necessary to wait until the entire length of the cut of the injection pipe 74 is blocked by scale so that water injection can no longer occur.
- the resistance of the device to scaling is considerably improved.
Landscapes
- Cosmetics (AREA)
- Cleaning And Drying Hair (AREA)
- Physical Vapour Deposition (AREA)
- Irons (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP24174385.5A EP4399993A3 (fr) | 2018-12-20 | 2019-12-19 | Appareil de coiffure a vapeur |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1873685A FR3090288B1 (fr) | 2018-12-20 | 2018-12-20 | Appareil de coiffure à vapeur |
PCT/EP2019/086492 WO2020127852A1 (fr) | 2018-12-20 | 2019-12-19 | Appareil de coiffure a vapeur |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP24174385.5A Division EP4399993A3 (fr) | 2018-12-20 | 2019-12-19 | Appareil de coiffure a vapeur |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3897279A1 true EP3897279A1 (fr) | 2021-10-27 |
EP3897279C0 EP3897279C0 (fr) | 2024-05-08 |
EP3897279B1 EP3897279B1 (fr) | 2024-05-08 |
Family
ID=66867268
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP24174385.5A Pending EP4399993A3 (fr) | 2018-12-20 | 2019-12-19 | Appareil de coiffure a vapeur |
EP19827735.2A Active EP3897279B1 (fr) | 2018-12-20 | 2019-12-19 | Appareil de coiffure a vapeur |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP24174385.5A Pending EP4399993A3 (fr) | 2018-12-20 | 2019-12-19 | Appareil de coiffure a vapeur |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220071364A1 (fr) |
EP (2) | EP4399993A3 (fr) |
CN (2) | CN111345563A (fr) |
ES (1) | ES2980206T3 (fr) |
FR (1) | FR3090288B1 (fr) |
WO (1) | WO2020127852A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3087322B1 (fr) * | 2018-10-22 | 2020-11-27 | Seb Sa | Appareil de coiffure avec dispositif d'evacuation de liquide |
FR3097412B1 (fr) * | 2019-06-21 | 2022-06-24 | Seb Sa | Appareil de traitement de la chevelure à l’étanchéité et efficacité améliorée |
FR3135601A1 (fr) | 2022-05-19 | 2023-11-24 | L'oreal | Chambre de vaporisation pour appareil de coiffure à diffusion de vapeur. |
FR3140245A1 (fr) | 2022-09-30 | 2024-04-05 | L'oreal | Chambre de vaporisation pour appareil de coiffure à diffusion de vapeur. |
FR3142069A1 (fr) | 2022-11-17 | 2024-05-24 | L'oreal | Dispositif de traitement des cheveux par application de vapeur. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2703570B1 (fr) | 1993-04-06 | 1995-05-19 | Seb Sa | Appareil de traitement et/ou de mise en forme de cheveux pourvu d'un dispositif d'extraction de la mèche bouclée. |
FR2967017B1 (fr) | 2010-11-05 | 2014-04-04 | Seb Sa | Appareil de coiffure a vapeur |
FR2967019B1 (fr) | 2010-11-05 | 2014-05-23 | Seb Sa | Appareil de coiffure a commande automatique |
FR2987242B1 (fr) | 2012-02-29 | 2014-05-23 | Seb Sa | Appareil de coiffure a vapeur |
FR2997271B1 (fr) | 2012-10-26 | 2016-01-01 | Oreal | Dispositif de traitement de la chevelure |
FR2999884B1 (fr) * | 2012-12-21 | 2016-03-11 | Seb Sa | Appareil de coiffure a la vapeur haut debit |
EP3380786B1 (fr) * | 2015-11-26 | 2019-04-17 | Koninklijke Philips N.V. | Dispositif pour générer de la vapeur et procédé de génération de vapeur |
-
2018
- 2018-12-20 FR FR1873685A patent/FR3090288B1/fr active Active
-
2019
- 2019-12-19 EP EP24174385.5A patent/EP4399993A3/fr active Pending
- 2019-12-19 ES ES19827735T patent/ES2980206T3/es active Active
- 2019-12-19 CN CN201911316777.8A patent/CN111345563A/zh active Pending
- 2019-12-19 WO PCT/EP2019/086492 patent/WO2020127852A1/fr unknown
- 2019-12-19 CN CN201922294992.4U patent/CN212661321U/zh active Active
- 2019-12-19 EP EP19827735.2A patent/EP3897279B1/fr active Active
- 2019-12-19 US US17/416,169 patent/US20220071364A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN111345563A (zh) | 2020-06-30 |
WO2020127852A1 (fr) | 2020-06-25 |
EP3897279C0 (fr) | 2024-05-08 |
EP4399993A3 (fr) | 2024-10-30 |
FR3090288A1 (fr) | 2020-06-26 |
EP4399993A2 (fr) | 2024-07-17 |
ES2980206T3 (es) | 2024-09-30 |
FR3090288B1 (fr) | 2020-12-25 |
CN212661321U (zh) | 2021-03-09 |
EP3897279B1 (fr) | 2024-05-08 |
US20220071364A1 (en) | 2022-03-10 |
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