EP2074906B1 - Device for sampling and applying a cosmetic product - Google Patents

Device for sampling and applying a cosmetic product Download PDF

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Publication number
EP2074906B1
EP2074906B1 EP08171917A EP08171917A EP2074906B1 EP 2074906 B1 EP2074906 B1 EP 2074906B1 EP 08171917 A EP08171917 A EP 08171917A EP 08171917 A EP08171917 A EP 08171917A EP 2074906 B1 EP2074906 B1 EP 2074906B1
Authority
EP
European Patent Office
Prior art keywords
applicator
container
heater member
heating member
housing
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.)
Not-in-force
Application number
EP08171917A
Other languages
German (de)
French (fr)
Other versions
EP2074906A1 (en
Inventor
Nicolas Duru
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.)
LOreal SA
Original Assignee
LOreal SA
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
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP2074906A1 publication Critical patent/EP2074906A1/en
Application granted granted Critical
Publication of EP2074906B1 publication Critical patent/EP2074906B1/en
Not-in-force 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
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/0006—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water specially adapted to feed the bristle upper surface
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/08—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with heating means
    • 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
    • A45D2200/15—Temperature
    • A45D2200/155—Heating or cooling means, i.e. for storing or applying cosmetic products at a predetermined temperature
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A46B2200/1053—Cosmetics applicator specifically for mascara

Definitions

  • the present invention relates to a device for sampling and applying a cosmetic product, comprising a heating member.
  • the product is for example applied to the eyelashes by means of a brush or a comb and the applicator comprising the heating member is then used to perfect the makeup of the eyelashes, in particular to lengthen or curl the eyelashes.
  • the applicator provided with the heating member to proceed with the application of the product.
  • the product is for example deposited in a solid form in contact with the heating member, the latter being heated to a temperature sufficient to cause the melting of the product.
  • the temperature of the heating element In use, the temperature of the heating element must not be too high to avoid any risk of burns of the eyelashes or the skin in case of accidental contact with the latter, and in practice the temperature of the organ heating during application should not exceed 65 ° C.
  • the heating of the heating member and the supply of calories necessary to melt the product brought into contact is a function of the thermal inertia of the applicator and the electric power of the heating member.
  • EP 1 466 541 discloses a device according to the preamble of claim 1.
  • the invention aims in particular to meet this need.
  • the applicator may comprise at least one autonomous source of electrical energy supplying the electric circuit.
  • the autonomous power source comprises for example one or more battery (s) or a rechargeable battery.
  • the invention it is possible to feed the heating member with a higher electrical power when it is at least partially introduced into the housing, so without there being a risk for the user to be exposed to the heating element.
  • any possible regulation of the temperature of the heating element can be deactivated, in order to be able to bring the heating element to a maximum temperature, and then once the applicator disengaged from the container, the eventual regulation of temperature can be active again in order to maintain the heating member at a service temperature compatible with the contact of the heating member with the keratin materials.
  • the invention may allow in exemplary embodiments to automatically recharge the applicator product as soon as it returns to the container, which can make the device easier to use.
  • Carrying the heating member to a temperature above its operating temperature, when the heating member is in the housing of the container, can facilitate the melting of the product in contact with the heating member, which can improve the loading in product of the heating member and / or allow to have a more homogeneous distribution of molten product on the heating member.
  • the invention may also allow, if desired, temporarily supplying the heating member from an auxiliary electrical source present in the container, which can save the power source of the applicator and to increase the autonomy of it.
  • the energy source of the applicator may for example serve only to maintain the heating member at the operating temperature.
  • the modification of the power supply of the heating element once it is at least partially introduced into the housing is accompanied by an increase in the electrical power dissipated by the heating member, following an increase in the supply voltage of the heating member, for example.
  • the electric power dissipated by the heating element when it is at least partially introduced into the housing is for example between 0.1 W and 2 W.
  • the power electrical dissipated by the heating member may be less, being for example between 0.3 W and 0.6 W.
  • the increase of the electric power dissipated by the heating member can lead to an increase in the temperature of the heating member carrying the latter to at least 85 ° C, for example.
  • the heating member may not be energized before its introduction into the housing.
  • the heating member may be powered according to a first feed mode before its introduction into the housing.
  • This first mode of supply of the heating member corresponds for example to the power supply of the heating member which keeps it at a service temperature suitable for the application of the product by the user, for example a service temperature between 60 and 70 ° C.
  • the heating member can automatically return to this first feeding mode as soon as the applicator is removed from the container housing.
  • the electrical supply circuit can be at least partially housed in the applicator.
  • the detection of the at least partial introduction of the applicator into the receptacle of the receptacle can be carried out in various ways, in particular by virtue of a switch carried by the applicator.
  • the term "switch” should be broadly understood, and include components and assemblies of electronic or electromechanical components, and the switch can interact mechanically, magnetically or optically with the container, to change state.
  • the aforementioned predefined condition leading to a change in the power supply of the heating member is for example the modification of a state of the switch during the introduction of the applicator into the housing of the container.
  • the switch is for example a flexible blade switch sensitive to a magnetic field and the container may comprise a magnet.
  • the switch and the magnet can be arranged to face each other when the applicator is introduced into the housing, so that the magnetic field generated by the magnet changes the state. of the switch.
  • the switch may be a fugitive contact switch, for example a push button, and the housing for mechanically causing the passage of the switch from a first to a second position, changing its state, when the applicator is introduced into housing.
  • the switch can still be optical detection.
  • the applicator may also include a sensor responsive to a pressure exerted on the heating member.
  • the predefined condition is then for example the detection of a pressure exerted on the heating element, greater than a predefined value.
  • the container may comprise an auxiliary source of electrical energy.
  • This auxiliary source comprises for example one or more battery (s) or a battery or can be connected to the mains.
  • the electrical circuit may comprise first electrical contacts, for example connected to the auxiliary source and projecting into the wall of the housing, and the applicator may comprise second electrical contacts, arranged to contact the first contacts when the applicator is in the housing.
  • the predefined condition can be the contacting of the first and second electrical contacts. This bringing into contact may allow the heating member to be supplied both by the source of electrical energy of the applicator and by the auxiliary electrical energy source of the container or by the latter only.
  • the power supply by the auxiliary source can make it possible to less stress the source of electrical energy of the applicator, and to gain autonomy.
  • the supply by the auxiliary source may be provided to cause the dissipation by the heating member of a higher electrical power.
  • the auxiliary source has a voltage greater than that of the autonomous electrical source of the applicator, for example a voltage 30% greater than that of the energy source of the applicator.
  • the auxiliary source can be used to recharge a battery housed in the applicator.
  • the electrical circuit may comprise a timer arranged in such a way that the change in the power supply of the heating element only occurs for a predetermined duration, for example that necessary for charging the heating element with product and / or for the rise to the operating temperature of the heating element or the rise to a higher temperature favoring the removal of the product.
  • each return of the applicator in the container, the power supply of the heating member is performed with a dissipated electrical power that is maximum for a predefined period, and then the power supply can then be performed with a lower electrical power dissipated, for example only with the power necessary to maintain the heating member at the operating temperature.
  • the device can also be arranged to, when the applicator is in place on the container, at a standstill, allow the user to turn it on while leaving it on the container.
  • the power supply of the heating member can be carried out for a predefined duration with a maximum dissipated electrical power, so that the heating of the heating element is carried out quickly.
  • the device may comprise an indicator light and / or sound arranged to emit an audible and / or visual signal when the heating member has reached its operating temperature or to signal to the user that the heating member is powered with an electric power. higher.
  • the applicator may comprise a gripping portion and an applicator head comprising the heating member.
  • the housing of the container extends along a vertical axis when the container is placed on a horizontal flat surface and the applicator head has a surface intended to contact the keratin materials which extends generally perpendicular to the axis. longitudinal axis of the applicator.
  • the housing extends along a horizontal axis when the container is placed on a horizontal flat surface and the applicator head has a surface for contacting the keratin materials which extends generally parallel to the longitudinal axis of the applicator .
  • the product present in the container may be in solid form, for example powdery or compacted, or in gel form.
  • the product can be brought in various ways into contact with the heating member of the applicator.
  • the product is for example present in the bottom of the housing of the container and the applicator takes the product due to the fact that the product adheres to the heating member when the latter is hot. This is for example the case when the product is in powder form or compacted in the bottom of the housing.
  • the product can also be deposited on the heating member being for example brought over it. This can be the case when the product is in a powdered form, gelled or in the form of bodies having a larger size, for example beads or strips.
  • the applicator can still be immersed in the product to be loaded in product.
  • the product is, for example, a product to be applied to keratinous fibers, in particular mascara, for example a mascara having a hot-running character only.
  • the container may be arranged to be refilled with product and comprises for example a compartment having an opening for discharging the contents of a product refill, for example a product refill in powder form.
  • the container may still be non-rechargeable by the user himself.
  • the same applicator may be used, where appropriate, with at least two containers containing different products.
  • Each container may comprise identification means for informing the applicator on the nature of the product contained in the container, for example electrical, optical, magnetic or mechanical means.
  • the fact for the applicator to be informed about the nature of the product may allow for example to automatically carry the heating member to a predetermined temperature depending on the product contained in the container into which the applicator is brought.
  • the container may be provided to receive the applicator in the absence of use thereof, the applicator being for example arranged to close the housing containing the product.
  • the applicator is for example stored elsewhere than on the container in the absence of use and the container may include a closure member separate from the applicator to close the housing.
  • the heating member may be fed in a first feed mode before introduction into the container or alternatively not be fed before being introduced into the container. After changing the power supply, the heating member may be powered according to a second feed mode, so that the temperature of the heating member increases.
  • the power supply of the heating member may be modified as long as the predefined condition is satisfied or alternatively for a predefined period.
  • the invention further relates, in another of its aspects, independently of the above, a device for sampling and applying a cosmetic product comprising a heating member, the latter comprising a resistive wire wound around a support.
  • the wire is for example nickel chromium alloy or cupro-nickel.
  • the wire may or may not include external electrical insulation.
  • the wire is chromium nickel alloy insulated with PTFE.
  • the wire is enamelled copper-nickel alloy.
  • the wire may be arranged in the form of contiguous turns or not. Joining turns can facilitate the cleaning of the heating element.
  • the support on which the wire is wound may be electrically non-conductive, for example comprising a ceramic, a silicone or another plastic material sufficiently resistant to heat.
  • the support may be hollow and the wire may be arranged at least partially inside the support.
  • the support can also be full.
  • the support may be in the form of a peg, a thin disc or a plate.
  • the support may be overmolded or sintered on the wire.
  • Another subject of the invention is a device for applying a cosmetic product or for perfecting makeup, comprising a heating member and an electric circuit for feeding the heating member, circuit comprising a control means for supercharging the heating member with a dissipated electric power greater than that necessary for its maintenance at a service temperature of between 60 and 70 ° C for example.
  • the control means is for example a switch actuated by the user or actuated automatically when placing the device on a container containing the product to be taken.
  • the heating member is for example supercharged by being supplied with a voltage greater than that allowing its maintenance at the operating temperature, for example a voltage greater than at least 30%.
  • the heating element can also be supercharged by being fed with a higher duty cycle, for example being fed continuously during the supercharging phase (100% duty cycle), then at a lower duty cycle thereafter, this duty cycle being, for example, the state of exhaustion of the energy source.
  • the heating member can be supercharged for a predefined period, determined by a time delay.
  • Figures 1 to 3 a device 1 according to the invention.
  • This device 1 comprises a container 3 containing a product P to be applied and an applicator 2 for taking the product P and applying it to the keratinous fibers, the skin or the mucous membranes, depending on its nature.
  • the product P is powdery, being contained in a reservoir 9 of the container 3, the reservoir 9 communicating with a housing 5 intended to receive the applicator.
  • the container 3 is arranged to allow a certain amount of product P from the tank 9 to gain the housing 5 in order to be taken by the applicator 2.
  • the supply of the housing 5 is effected by a passage 8 formed between a partition 7 separating the housing 5 from the reservoir 9 and a wall 4 defining the bottom of the housing 5.
  • This passage 8 can extend any around the housing 5, the reservoir 9 having for example an annular shape.
  • the user can for example tap on the container 3 so that the product P flows by gravity through the passage 8 in the housing 5 and divide in the bottom of it.
  • the applicator 2 comprises a housing 20 serving as a gripping part, provided at one end with an applicator head 21, which carries a heating element 24.
  • the applicator head 21 is intended to be engaged in the housing 5.
  • the latter is arranged to keep the applicator 2 oriented substantially vertically when the container 3 rests on a horizontal flat surface, as shown in FIGS. Figures 2 and 3 .
  • the applicator 2 comprises, as illustrated in FIG. figure 4 an autonomous electric source 50, for example one or more cells or a battery, housed in the housing 20, and an electric supply circuit 51 which manages the power supply of the heating member 24.
  • an autonomous electric source 50 for example one or more cells or a battery, housed in the housing 20, and an electric supply circuit 51 which manages the power supply of the heating member 24.
  • the applicator 2 comprises control means that enable the user to switch the applicator from a standstill or standby state to a running state, these control means comprising, for example, a switch 40 for operation. stop present on the housing 20 of the applicator.
  • the device 1 also comprises detection means which enable detection of the engagement of the applicator 2 on the container 3, in order to modify the power supply of the heating member 24 to the less temporarily, following this detection.
  • the applicator 2 comprises a switch 42 which is actuated automatically when the applicator 2 is in place on the container.
  • This switch 42 is for example a push button present on the housing 20 or the applicator head 21, which is moved so as to change state when the applicator 2 is placed on the container 3.
  • the electrical supply circuit 51 present in the applicator 2 detects the change of state of the switch 42 and this detection can control the beginning of a predefined operating phase, during which the heating element is supercharged so as to dissipate an electrical power greater than that normally necessary for maintaining the temperature of the heating element at the operating temperature.
  • This supercharging phase may, for example, make it possible to raise the temperature of the heating member very rapidly and / or to facilitate its loading into product.
  • the temperature of the heating member can reach for example more than 90 ° C, while the operating temperature of the heating member is for example between 60 and 70 ° C.
  • the heating element is for example supplied with a voltage greater than the voltage corresponding to its maintenance at the operating temperature, for example a voltage of 3V while the supply voltage corresponding to the operating temperature is 2V.
  • the supply circuit 51 of the heating member comprises for example a switching power supply and the power supply of the heating member can be performed with a variable duty cycle.
  • the detection of the presence of the applicator in the housing can cause a variation of the duty cycle, the supply of the heating member during the supercharging phase being for example carried out with a duty cycle greater than that ensuring the maintenance of the heating member at the operating temperature.
  • the supply of the heating element can be carried out continuously, for example.
  • the voltage of the autonomous electrical energy source can be measured in order to know its state of exhaustion and the duty cycle can vary according to the state depletion of the autonomous energy source, tending to increase as the voltage of the source drops.
  • the duration during which the heating element is supercharged can be defined by a time delay, in order to avoid that, in the event of prolonged maintenance of the heating element on the receptacle 3, the electrical source of the applicator is not used up unnecessarily.
  • the applicator 2 can be arranged to switch off automatically in the event of absence of prolonged use.
  • the applicator 2 may include a light indicator 44 to signal to the user that the applicator 2 is ready to be used, for example that the operating temperature is reached.
  • the indicator 44 goes off and the user is thus informed that a new pressure on the switch 40 of walking / stop is necessary before applying the product.
  • the electric circuit 51 for supplying the heating element may also be arranged so that, when the applicator is started, if the presence of the applicator on the receptacle is detected, the heating element 24 is supercharged during a predefined time.
  • the electric circuit 51 for supplying the heating member may also be arranged so that, in the event of the applicator withdrawing from the receptacle 3, the power supply of the heating element is immediately modified so as to reduce it to the maximum quickly at its service temperature, compatible with the application on keratin materials.
  • the change of state of the switch 42 can be monitored for this purpose.
  • the device 1 may comprise detection means which make it possible to detect the release of the applicator 2 from the container 3, in order to bring the power supply of the heating member back into the first mode of supply, also called “mode of service”. ".
  • the introduction of the applicator 2 on the container 3 can be used to recharge the battery, for example through electrical contacts on the container that cooperate with electrical contacts of the applicator.
  • the detection of the presence of the applicator 2 on the container 3 may be effected otherwise than by the change of state of a switch 42 as described above.
  • the applicator 2 comprises a magnetic switch of the ILS type and the container 3 comprises a magnet which is arranged so as to change the state of this magnetic switch when the applicator 2 is in place on the container.
  • the applicator 2 may also comprise an optical switch, for example a photodiode or a phototransistor, which changes state when the applicator 2 is in place in the receptacle 3, for example because of the interruption of a light beam emitted by the applicator 2, the return to the applicator 2 of a light beam emitted by the applicator 2 or the reception by the applicator 2 of a light beam emitted by the receptacle 3.
  • an optical switch for example a photodiode or a phototransistor
  • the detection of the presence of the applicator 2 on the container 3 can still be carried out by detecting a contact pressure exerted on the applicator 2, for example at the level of the applicator head 21, for example a pressure on the applicator 2. heating member 24.
  • the applicator head 21 comprises for example a pressure sensor disposed under the heating member 24, so that the pressure of the latter against the bottom of the housing is detected.
  • the electric supply circuit present in the applicator 2 can be arranged to start the supercharging phase following this detection.
  • the detection of the presence of the applicator in the receptacle of the receptacle can still take place thanks to the coming into contact of electrical contacts of the applicator 2 with electrical contacts of the receptacle 3.
  • the electrical energy necessary for the supercharging of the heating member may come from an auxiliary electrical source disposed in the container.
  • the applicator may comprise first electrical contacts and the container of second electrical contacts.
  • the heating member is for example supplied at a higher voltage via the first and second contacts.
  • the electric circuit 51 of the applicator comprises all the components for electrically supplying the heating member according to the operating phases provided.
  • the electrical circuit 51 comprises a microcontroller which is programmed to provide the desired functionalities.
  • the electrical circuit may also include at least one electronic switch 54 connected in series with the heating member 24, and which allows for example to feed it with the desired duty cycle.
  • the heating member 24 has its longitudinal axis which is substantially parallel to that of the applicator.
  • the detection of the presence of the heating member in the housing 5 of the container 3 can be carried out in a manner similar to that previously described.
  • the latter is preferably loaded into product by being introduced into a laterally open housing 5, for example a housing 5 of horizontal longitudinal axis Y, as illustrated in FIG. figure 6 .
  • the container 3 can be arranged to deposit a quantity of product on the heating member 24 when it is present in the housing 5.
  • the container 3 comprises for example a product outlet 11 which overhangs the heating member 24 and allows to deposit on it the product.
  • the product P can be fed to the outlet 11 in various ways, for example by means of a movable member, which pushes the product to the outlet or carries a certain quantity, taken from a reservoir.
  • the container 3 may also comprise several doses of product P waiting to be dispensed and be arranged to allow the user to distribute the doses one by one on the heating member 24.
  • Figures 7 to 17 various examples, among others, of embodiment of the heating member 24.
  • the latter may comprise a support 28 and a resistive wire 27.
  • the wire 27 is for example made of nickel-chromium alloy or cupro-nickel and may have a diameter of between 0.1 mm and 0.5 mm, being for example of the order of 0.2 mm, and a length of between 120 mm and 180 mm, being for example of the order of 150 mm.
  • the wire 27 may be electrically insulated.
  • the wire is made of NiCr alloy and insulated by being coated with PTFE and in another example the wire is enameled copper-nickel alloy.
  • the support 28 may be chosen from conductive metals such as aluminum, steel or a copper-based alloy.
  • the wire 27 may form turns which may be contiguous or not.
  • the wire 27 is not insulated and the support 28 associated with such a heating wire 27 is then made of a non-conductive electrical material, for example a ceramic, a silicone or other heat-resistant plastic material.
  • the use for making the support 28 of a low-adhesion ceramic can make it possible to remove the cosmetic product P applied to the heating surface relatively easily when the heating member has cooled down.
  • the support 28 is in the example of the figure 7 a hollow cylinder having, for example, an outside diameter of 4 mm, an inside diameter of 3 mm and a length of 25 mm.
  • This hollow cylinder defines a non-visible internal housing in which is disposed the wire 27, which is for example a spiral NiCr alloy wire, having a diameter of 0.17 mm and a length of 150 mm.
  • the support 28 is made of an electrically nonconductive material, in particular ceramic, the support 28 may be overmolded on the heating wire 27.
  • the support 28 is a cylinder having a plurality of through holes 30, these holes extending along the longitudinal axis of the support 28.
  • the cylinder is in the example of the figure 10 pierced by four holes 30.
  • the wire 27 is wound through the holes 30.
  • a support 28 in the form of a pin comprising a solid cylindrical body 28a surmounted by a thin head 28b.
  • the wire 27 is wound around the cylindrical body 28a.
  • cylindrical body 28a is hollow.
  • the support 28 is a thin disc, the wire 27 being wound inside holes through this disc in its thickness.
  • the wire 27 has a helical winding partially embedded in the thickness of the support 28.
  • the support 28 is in the form of a plate.
  • This plate may comprise a plurality of grooves 29 in its thickness where the wire 27 passes, as illustrated in FIG. figure 15 .
  • the support 28 has for example a length of 25mm, a width of 4mm, a height of 3mm and has five grooves having a width of 0.5mm.
  • the support 28 is in the form of a plate devoid of grooves, having for example a length of 25 mm, a width of 3 mm and a height of 0.5 mm.
  • the support 28 may comprise two holes 32 and 33 respectively serving as the point of arrival and starting point of the wire 27.
  • the wire can be wound longitudinally, as shown in Figures 14 or 17 , or transversely, as shown in Figures 13 and 16 .
  • the heating member may be realized otherwise.
  • the user can himself control the supercharging of the heating member, regardless of its placement on the container.

Landscapes

  • Cosmetics (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Brushes (AREA)
  • Detergent Compositions (AREA)

Abstract

The device (1) has an applicator (2) provided with an electric heating unit (24), and a container (3) for containing a cosmetic product (P) i.e. mascara. The container has a housing (5) in which the applicator is partially introduced for being loaded by the product. A power supply circuit for providing power to the heating unit is arranged such that the power supply of the heating unit is automatically subjected to a modification when a predefined condition, relative to the introduction of the applicator in the housing, is satisfied. An independent claim is also included for a method for taking a cosmetic product by an applicator.

Description

La présente invention concerne un dispositif de prélèvement et d'application d'un produit cosmétique, comportant un organe chauffant.The present invention relates to a device for sampling and applying a cosmetic product, comprising a heating member.

Il a été propose d'utiliser pour maquiller les cils un applicateur comportant un organe chauffant, alimenté électriquement par une ou plusieurs pile(s) ou par une batterie présente dans l'applicateur.It has been proposed to use for makeup eyelashes an applicator comprising a heating member, electrically powered by one or more battery (s) or by a battery present in the applicator.

Le produit est par exemple appliqué sur les cils au moyen d'une brosse ou d'un peigne et l'applicateur comportant l'organe chauffant est ensuite utilisé pour parfaire le maquillage des cils, notamment allonger ou recourber les cils.The product is for example applied to the eyelashes by means of a brush or a comb and the applicator comprising the heating member is then used to perfect the makeup of the eyelashes, in particular to lengthen or curl the eyelashes.

Il a encore été proposé d'utiliser l'applicateur muni de l'organe chauffant pour procéder à l'application du produit. Dans ce cas, le produit est par exemple déposé sous une forme solide au contact de l'organe chauffant, ce dernier étant porté à une température suffisante pour provoquer la fusion du produit.It has been proposed to use the applicator provided with the heating member to proceed with the application of the product. In this case, the product is for example deposited in a solid form in contact with the heating member, the latter being heated to a temperature sufficient to cause the melting of the product.

La demande internationale WO 2007/143430 enseigne d'éteindre un organe chauffant électrique lorsque ce dernier est introduit dans un réservoir de produit.International demand WO 2007/143430 teaches to extinguish an electric heating member when the latter is introduced into a product reservoir.

Lors de l'utilisation, la température de l'organe chauffant ne doit pas être trop élevée pour éviter tout risque de brûlure des cils ou de la peau en cas de contact accidentel avec cette dernière, et dans la pratique la température de l'organe chauffant lors de l'application ne doit pas excéder 65 °C environ.In use, the temperature of the heating element must not be too high to avoid any risk of burns of the eyelashes or the skin in case of accidental contact with the latter, and in practice the temperature of the organ heating during application should not exceed 65 ° C.

La mise à température de l'organe chauffant ainsi que l'apport des calories nécessaires pour faire fondre le produit amené à son contact est fonction de l'inertie thermique de l'applicateur et de la puissance électrique de l'organe chauffant.The heating of the heating member and the supply of calories necessary to melt the product brought into contact is a function of the thermal inertia of the applicator and the electric power of the heating member.

EP 1 466 541 divulgue un dispositif selon le préambule de la revendication 1. EP 1 466 541 discloses a device according to the preamble of claim 1.

Il existe un besoin pour réduire la durée d'attente nécessaire à la mise en température de l'organe chauffant et faciliter le chargement éventuel en produit de l'applicateur.There is a need to reduce the waiting time necessary for warming up the heating element and to facilitate any product loading of the applicator.

L'invention vise notamment à répondre à ce besoin.The invention aims in particular to meet this need.

Selon l'un de ses aspects, l'invention a pour objet un dispositif de prélèvement et d'application d'un produit cosmétique, comportant :

  • un applicateur comportant un organe chauffant électrique et,
  • un récipient contenant le produit, le récipient présentant un logement dans lequel l'applicateur peut être introduit au moins partiellement pour être chargé en produit, le dispositif comportant un circuit électrique d'alimentation agencé de telle sorte que l'alimentation électrique de l'organe chauffant subisse automatiquement une modification lorsqu'une condition prédéfinie, relative à l'introduction de l'applicateur dans le logement, est satisfaite. Avant son introduction dans le logement, l'organe chauffant peut ne pas être électriquement alimenté.
According to one of its aspects, the subject of the invention is a device for sampling and applying a cosmetic product, comprising:
  • an applicator comprising an electric heating member and,
  • a container containing the product, the container having a housing in which the applicator can be at least partially introduced to be loaded with product, the device comprising an electric supply circuit arranged so that the power supply of the heating element automatically undergoes a modification when a predefined condition relating to the introduction of the applicator into the housing is satisfied. Before its introduction into the housing, the heating member may not be electrically powered.

L'applicateur peut comporter au moins une source d'énergie électrique autonome alimentant le circuit électrique. La source d'énergie électrique autonome comporte par exemple une ou plusieurs pile(s) ou une batterie rechargeable.The applicator may comprise at least one autonomous source of electrical energy supplying the electric circuit. The autonomous power source comprises for example one or more battery (s) or a rechargeable battery.

Grâce à l'invention, il est possible d'alimenter l'organe chauffant avec une puissance électrique supérieure lorsque celui-ci est au moins partiellement introduit dans le logement, donc sans qu'il y ait un risque pour l'utilisateur d'être exposé à l'organe chauffant.Thanks to the invention, it is possible to feed the heating member with a higher electrical power when it is at least partially introduced into the housing, so without there being a risk for the user to be exposed to the heating element.

Cela permet, si on le souhaite, de porter momentanément l'organe chauffant à une température supérieure à celle autorisée durant l'application du produit. Durant la présence de l'organe chauffant dans le logement, toute régulation éventuelle de température de l'organe chauffant peut être désactivée, afin de pouvoir porter l'organe chauffant à une température maximale, puis une fois l'applicateur désengagé du récipient, la régulation éventuelle de température peut être à nouveau active afin de maintenir l'organe chauffant à une température de service compatible avec le contact de l'organe chauffant avec les matières kératiniques.This allows, if desired, to momentarily wear the heating member to a temperature greater than that allowed during the application of the product. During the presence of the heating element in the housing, any possible regulation of the temperature of the heating element can be deactivated, in order to be able to bring the heating element to a maximum temperature, and then once the applicator disengaged from the container, the eventual regulation of temperature can be active again in order to maintain the heating member at a service temperature compatible with the contact of the heating member with the keratin materials.

De plus, l'invention peut permettre dans des exemples de mise en oeuvre de recharger automatiquement l'applicateur en produit dès son retour sur le récipient, ce qui peut rendre le dispositif plus simple à utiliser. Le fait de porter l'organe chauffant à une température supérieure à sa température de service, lorsque l'organe chauffant est dans le logement du récipient, peut faciliter la fusion du produit au contact de l'organe chauffant, ce qui peut améliorer le chargement en produit de l'organe chauffant et/ou permettre d'avoir une répartition plus homogène de produit fondu sur l'organe chauffant.In addition, the invention may allow in exemplary embodiments to automatically recharge the applicator product as soon as it returns to the container, which can make the device easier to use. Carrying the heating member to a temperature above its operating temperature, when the heating member is in the housing of the container, can facilitate the melting of the product in contact with the heating member, which can improve the loading in product of the heating member and / or allow to have a more homogeneous distribution of molten product on the heating member.

L'invention peut également permettre, si on le souhaite, d'alimenter temporairement l'organe chauffant à partir d'une source électrique auxiliaire présente dans le récipient, ce qui peut permettre d'épargner la source électrique de l'applicateur et d'accroître l'autonomie de celui-ci. La source d'énergie de l'applicateur peut par exemple ne servir qu'à maintenir l'organe chauffant à la température de service.The invention may also allow, if desired, temporarily supplying the heating member from an auxiliary electrical source present in the container, which can save the power source of the applicator and to increase the autonomy of it. The energy source of the applicator may for example serve only to maintain the heating member at the operating temperature.

Dans un exemple de mise en oeuvre de l'invention, la modification de l'alimentation électrique de l'organe chauffant une fois celui-ci au moins partiellement introduit dans le logement s'accompagne d'une augmentation de la puissance électrique dissipée par l'organe chauffant, suite à une augmentation de la tension d'alimentation de l'organe chauffant, par exemple. La puissance électrique dissipée par l'organe chauffant lorsque celui-ci est au moins partiellement introduit dans le logement est par exemple comprise entre 0,1 W et 2 W. Lorsque l'organe chauffant est seulement maintenu à sa température de service, la puissance électrique dissipée par l'organe chauffant peut être moindre, étant par exemple comprise entre 0,3 W et 0,6 W.In an exemplary implementation of the invention, the modification of the power supply of the heating element once it is at least partially introduced into the housing is accompanied by an increase in the electrical power dissipated by the heating member, following an increase in the supply voltage of the heating member, for example. The electric power dissipated by the heating element when it is at least partially introduced into the housing is for example between 0.1 W and 2 W. When the heating member is only maintained at its operating temperature, the power electrical dissipated by the heating member may be less, being for example between 0.3 W and 0.6 W.

L'augmentation de la puissance électrique dissipée par l'organe chauffant peut conduire à une élévation de la température de l'organe chauffant portant celle-ci à au moins 85° C, par exemple.The increase of the electric power dissipated by the heating member can lead to an increase in the temperature of the heating member carrying the latter to at least 85 ° C, for example.

L'organe chauffant peut ne pas être alimenté avant son introduction dans le logement. En variante, l'organe chauffant peut être alimenté selon un premier mode d'alimentation avant son introduction dans le logement. Ce premier mode d'alimentation de l'organe chauffant correspond par exemple à l'alimentation électrique de l'organe chauffant qui permet de maintenir celui-ci à une température de service convenant à l'application du produit par l'utilisateur, par exemple une température de service comprise entre 60 et 70 °C.The heating member may not be energized before its introduction into the housing. Alternatively, the heating member may be powered according to a first feed mode before its introduction into the housing. This first mode of supply of the heating member corresponds for example to the power supply of the heating member which keeps it at a service temperature suitable for the application of the product by the user, for example a service temperature between 60 and 70 ° C.

L'organe chauffant peut revenir automatiquement à ce premier mode d'alimentation dès que l'applicateur est retiré du logement du récipient.The heating member can automatically return to this first feeding mode as soon as the applicator is removed from the container housing.

Le circuit électrique d'alimentation peut être au moins partiellement logé dans l'applicateur.The electrical supply circuit can be at least partially housed in the applicator.

La détection de l'introduction au moins partielle de l'applicateur dans le logement du récipient peut être effectuée de diverses manières, notamment grâce à un interrupteur porté par l'applicateur. Le terme « interrupteur » doit se comprendre largement, et englobe des composants et ensembles de composants électroniques ou électromécaniques, et l'interrupteur peut interagir mécaniquement, magnétiquement ou optiquement avec le récipient, pour changer d'état.The detection of the at least partial introduction of the applicator into the receptacle of the receptacle can be carried out in various ways, in particular by virtue of a switch carried by the applicator. The term "switch" should be broadly understood, and include components and assemblies of electronic or electromechanical components, and the switch can interact mechanically, magnetically or optically with the container, to change state.

La condition prédéfinie précitée conduisant à une modification de l'alimentation de l'organe chauffant est ainsi par exemple la modification d'un état de l'interrupteur lors de l'introduction de l'applicateur dans le logement du récipient.The aforementioned predefined condition leading to a change in the power supply of the heating member is for example the modification of a state of the switch during the introduction of the applicator into the housing of the container.

L'interrupteur est par exemple un interrupteur à lame souple sensible à un champ magnétique et le récipient peut comporter un aimant. L'interrupteur et l'aimant peuvent être disposés de façon à venir en regard l'un de l'autre lorsque l'applicateur est introduit dans le logement, de façon à ce que le champ magnétique généré par l'aimant modifie l'état de l'interrupteur.The switch is for example a flexible blade switch sensitive to a magnetic field and the container may comprise a magnet. The switch and the magnet can be arranged to face each other when the applicator is introduced into the housing, so that the magnetic field generated by the magnet changes the state. of the switch.

L'interrupteur peut être un interrupteur à contact fugitif, par exemple un bouton-poussoir, et le logement pour provoquer mécaniquement le passage de l'interrupteur d'une première à une deuxième position, modifiant son état, lorsque l'applicateur est introduit dans le logement.The switch may be a fugitive contact switch, for example a push button, and the housing for mechanically causing the passage of the switch from a first to a second position, changing its state, when the applicator is introduced into housing.

L'interrupteur peut encore être à détection optique.The switch can still be optical detection.

L'applicateur peut aussi comporter un capteur sensible à une pression exercée sur l'organe chauffant. La condition prédéfinie est alors par exemple la détection d'une pression, exercée sur l'organe chauffant, supérieure à une valeur prédéfinie.The applicator may also include a sensor responsive to a pressure exerted on the heating member. The predefined condition is then for example the detection of a pressure exerted on the heating element, greater than a predefined value.

Comme évoqué ci-dessus, le récipient peut comporter une source auxiliaire d'énergie électrique. Cette source auxiliaire comporte par exemple une ou plusieurs pile(s) ou une batterie ou peut être reliée au secteur.As mentioned above, the container may comprise an auxiliary source of electrical energy. This auxiliary source comprises for example one or more battery (s) or a battery or can be connected to the mains.

Le circuit électrique peut comporter des premiers contacts électriques, par exemple reliés à la source auxiliaire et faisant saillie dans la paroi du logement, et l'applicateur peut comporter des deuxièmes contacts électriques, agencés pour contacter les premiers contacts lorsque l'applicateur est dans le logement.The electrical circuit may comprise first electrical contacts, for example connected to the auxiliary source and projecting into the wall of the housing, and the applicator may comprise second electrical contacts, arranged to contact the first contacts when the applicator is in the housing.

La condition prédéfinie peut être la mise en contact des premiers et des deuxièmes contacts électriques. Cette mise en contact peut permettre à l'organe chauffant d'être alimenté à la fois par la source d'énergie électrique de l'applicateur et par la source d'énergie électrique auxiliaire du récipient ou par cette dernière seulement. L'alimentation par la source auxiliaire peut permettre de moins solliciter la source d'énergie électrique de l'applicateur, et de gagner en autonomie. L'alimentation par la source auxiliaire peut être prévue pour provoquer la dissipation par l'organe chauffant d'une puissance électrique supérieure. La source auxiliaire présente par exemple une tension supérieure à celle de la source électrique autonome de l'applicateur, par exemple une tension supérieure de 30% à celle de la source d'énergie de l'applicateur.The predefined condition can be the contacting of the first and second electrical contacts. This bringing into contact may allow the heating member to be supplied both by the source of electrical energy of the applicator and by the auxiliary electrical energy source of the container or by the latter only. The power supply by the auxiliary source can make it possible to less stress the source of electrical energy of the applicator, and to gain autonomy. The supply by the auxiliary source may be provided to cause the dissipation by the heating member of a higher electrical power. For example, the auxiliary source has a voltage greater than that of the autonomous electrical source of the applicator, for example a voltage 30% greater than that of the energy source of the applicator.

Le cas échéant, la source auxiliaire peut être utilisée pour recharger une batterie logée dans l'applicateur.If necessary, the auxiliary source can be used to recharge a battery housed in the applicator.

Le circuit électrique peut comporter une temporisation agencée de telle sorte que la modification de l'alimentation électrique de l'organe chauffant ne se produise que pendant une durée prédéfinie, par exemple celle nécessaire au chargement de l'organe chauffant en produit et/ou à la montée à la température de service de l'organe chauffant ou à la montée à une température supérieure favorisant le prélèvement du produit.The electrical circuit may comprise a timer arranged in such a way that the change in the power supply of the heating element only occurs for a predetermined duration, for example that necessary for charging the heating element with product and / or for the rise to the operating temperature of the heating element or the rise to a higher temperature favoring the removal of the product.

Ainsi, dans un exemple de mise en oeuvre de l'invention, à chaque retour de l'applicateur dans le récipient, l'alimentation de l'organe chauffant s'effectue avec une puissance électrique dissipée qui est maximale pendant une durée prédéfinie, puis l'alimentation électrique peut ensuite s'effectuer avec une plus faible puissance électrique dissipée, par exemple seulement avec la puissance nécessaire au maintien de l'organe chauffant à la température de service.Thus, in an exemplary implementation of the invention, each return of the applicator in the container, the power supply of the heating member is performed with a dissipated electrical power that is maximum for a predefined period, and then the power supply can then be performed with a lower electrical power dissipated, for example only with the power necessary to maintain the heating member at the operating temperature.

Le dispositif peut également être agencé pour, lorsque l'applicateur est en place sur le récipient, à l'arrêt, permettre à l'utilisateur de le mettre en marche tout en le laissant sur le récipient. Dans ce cas, l'alimentation de l'organe chauffant peut s'effectuer pendant une durée prédéfinie avec une puissance électrique dissipée maximale, afin que la mise en température de l'organe chauffant s'effectue rapidement.The device can also be arranged to, when the applicator is in place on the container, at a standstill, allow the user to turn it on while leaving it on the container. In this case, the power supply of the heating member can be carried out for a predefined duration with a maximum dissipated electrical power, so that the heating of the heating element is carried out quickly.

Le dispositif peut comporter un indicateur lumineux et/ou sonore agencé pour émettre un signal sonore et/ou visuel lorsque l'organe chauffant a atteint sa température de service ou pour signaler à l'utilisateur que l'organe chauffant est alimenté avec une puissance électrique supérieure.The device may comprise an indicator light and / or sound arranged to emit an audible and / or visual signal when the heating member has reached its operating temperature or to signal to the user that the heating member is powered with an electric power. higher.

L'applicateur peut comporter une partie de préhension et une tête applicatrice comportant l'organe chauffant.The applicator may comprise a gripping portion and an applicator head comprising the heating member.

Dans un exemple de réalisation, le logement du récipient s'étend selon un axe vertical lorsque le récipient est posé sur une surface plane horizontale et la tête applicatrice a une surface destinée à contacter les matières kératiniques qui s'étend généralement perpendiculairement à l'axe longitudinal de l'applicateur.In an exemplary embodiment, the housing of the container extends along a vertical axis when the container is placed on a horizontal flat surface and the applicator head has a surface intended to contact the keratin materials which extends generally perpendicular to the axis. longitudinal axis of the applicator.

En variante, le logement s'étend selon un axe horizontal lorsque le récipient est posé sur une surface plane horizontale et la tête applicatrice a une surface destinée à contacter les matières kératiniques qui s'étend généralement parallèlement à l'axe longitudinal de l'applicateur.Alternatively, the housing extends along a horizontal axis when the container is placed on a horizontal flat surface and the applicator head has a surface for contacting the keratin materials which extends generally parallel to the longitudinal axis of the applicator .

Le produit présent dans le récipient peut être sous une forme solide, par exemple pulvérulente ou compactée, ou encore sous forme de gel.The product present in the container may be in solid form, for example powdery or compacted, or in gel form.

Le produit peut être amené de diverses façons au contact de l'organe chauffant de l'applicateur.The product can be brought in various ways into contact with the heating member of the applicator.

Le produit est par exemple présent dans le fond du logement du récipient et l'applicateur prélève le produit en raison du fait que le produit adhère sur l'organe chauffant lorsque celui-ci est chaud. C'est par exemple le cas lorsque le produit est sous forme pulvérulente ou compactée dans le fond du logement.The product is for example present in the bottom of the housing of the container and the applicator takes the product due to the fact that the product adheres to the heating member when the latter is hot. This is for example the case when the product is in powder form or compacted in the bottom of the housing.

Le produit peut encore être déposé sur l'organe chauffant en étant par exemple amené par-dessus sur celui-ci. Cela peut être le cas lorsque le produit est sous une forme pulvérulente, gélifiée ou encore sous la forme de corps ayant une taille plus importante, par exemple des billes ou barrettes.The product can also be deposited on the heating member being for example brought over it. This can be the case when the product is in a powdered form, gelled or in the form of bodies having a larger size, for example beads or strips.

L'applicateur peut encore être plongé dans le produit pour être chargé en produit.The applicator can still be immersed in the product to be loaded in product.

Le produit est par exemple un produit à appliquer sur les fibres kératiniques, notamment du mascara, par exemple un mascara présentant un caractère filant seulement à chaud.The product is, for example, a product to be applied to keratinous fibers, in particular mascara, for example a mascara having a hot-running character only.

Le récipient peut être agencé pour être rechargé en produit et comporte par exemple un compartiment ayant une ouverture permettant d'y déverser le contenu d'une recharge de produit, par exemple une recharge de produit sous forme pulvérulente.The container may be arranged to be refilled with product and comprises for example a compartment having an opening for discharging the contents of a product refill, for example a product refill in powder form.

Le récipient peut encore être non rechargeable par l'utilisateur lui-même.The container may still be non-rechargeable by the user himself.

Un même applicateur peut être utilisé, le cas échéant, avec au moins deux récipients contenant des produits différents. Chaque récipient peut comporter des moyens d'identification permettant de renseigner l'applicateur sur la nature du produit contenu dans le récipient, par exemple des moyens électriques, optiques, magnétiques ou mécaniques.The same applicator may be used, where appropriate, with at least two containers containing different products. Each container may comprise identification means for informing the applicator on the nature of the product contained in the container, for example electrical, optical, magnetic or mechanical means.

Le fait pour l'applicateur d'être ainsi renseigné sur la nature du produit peut permettre par exemple de porter automatiquement l'organe chauffant à une température prédéfinie en fonction du produit contenu dans le récipient dans lequel l'applicateur est amené.The fact for the applicator to be informed about the nature of the product may allow for example to automatically carry the heating member to a predetermined temperature depending on the product contained in the container into which the applicator is brought.

Le récipient peut être prévu pour recevoir l'applicateur en l'absence d'utilisation de celui-ci, l'applicateur étant par exemple agencé pour fermer le logement contenant le produit. En variante, l'applicateur est par exemple rangé ailleurs que sur le récipient en l'absence d'utilisation et le récipient peut comporter un organe de fermeture distinct de l'applicateur pour fermer le logement.The container may be provided to receive the applicator in the absence of use thereof, the applicator being for example arranged to close the housing containing the product. Alternatively, the applicator is for example stored elsewhere than on the container in the absence of use and the container may include a closure member separate from the applicator to close the housing.

L'invention a encore pour objet, selon un autre de ses aspects, un procédé de prélèvement d'un produit cosmétique, y compris de soin, par un applicateur, dans lequel :

  • on introduit au moins partiellement un applicateur comportant un organe chauffant dans un récipient comportant le produit à prélever,
  • on détecte si une condition prédéfinie, relative à la présence de l'applicateur dans le récipient, est vérifiée,
  • on modifie automatiquement l'alimentation électrique de l'organe chauffant lorsque la condition prédéfinie est vérifiée.
The invention further relates, in another of its aspects, to a method for taking a cosmetic product, including care, by an applicator, in which:
  • at least partially an applicator having a heating element is introduced into a receptacle comprising the product to be sampled,
  • detecting whether a predefined condition, relating to the presence of the applicator in the container, is verified,
  • the power supply of the heating element is automatically changed when the predefined condition is verified.

L'organe chauffant peut être alimenté selon un premier mode d'alimentation avant son introduction dans le récipient ou en variante ne pas être alimenté avant d'être introduit dans le récipient. Après la modification de l'alimentation électrique, l'organe chauffant peut être alimenté selon un second mode d'alimentation, de telle sorte que la température de l'organe chauffant augmente.The heating member may be fed in a first feed mode before introduction into the container or alternatively not be fed before being introduced into the container. After changing the power supply, the heating member may be powered according to a second feed mode, so that the temperature of the heating member increases.

L'alimentation électrique de l'organe chauffant peut être modifiée tant que la condition prédéfinie est satisfaite ou en variante pendant une durée prédéfinie.The power supply of the heating member may be modified as long as the predefined condition is satisfied or alternatively for a predefined period.

L'invention a encore pour objet, selon un autre de ses aspects, indépendamment de ce qui précède, un dispositif de prélèvement et d'application d'un produit cosmétique comportant un organe chauffant, ce dernier comportant un fil résistif enroulé autour d'un support.The invention further relates, in another of its aspects, independently of the above, a device for sampling and applying a cosmetic product comprising a heating member, the latter comprising a resistive wire wound around a support.

Le fil est par exemple en alliage nickel chrome ou cupro-nickel. Le fil peut comporter ou non une isolation électrique extérieure. Dans un exemple de réalisation, le fil est en alliage nickel chrome isolé avec du PTFE. En variante, le fil est en alliage cupro-nickel émaillé.The wire is for example nickel chromium alloy or cupro-nickel. The wire may or may not include external electrical insulation. In an exemplary embodiment, the wire is chromium nickel alloy insulated with PTFE. Alternatively, the wire is enamelled copper-nickel alloy.

Le fil peut être disposé sous forme de spires jointives ou non. Des spires jointives peuvent faciliter le nettoyage de l'organe chauffant.The wire may be arranged in the form of contiguous turns or not. Joining turns can facilitate the cleaning of the heating element.

Le support sur lequel le fil est bobiné peut être non conducteur électrique, comportant par exemple une céramique, un silicone ou une autre matière plastique résistant suffisamment à la chaleur.The support on which the wire is wound may be electrically non-conductive, for example comprising a ceramic, a silicone or another plastic material sufficiently resistant to heat.

Le support peut être creux et le fil peut être disposé au moins partiellement à l'intérieur du support. Le support peut aussi être plein. Le support peut avoir la forme d'un pion, d'un disque de faible épaisseur ou d'une plaque.The support may be hollow and the wire may be arranged at least partially inside the support. The support can also be full. The support may be in the form of a peg, a thin disc or a plate.

Le support peut être surmoulé ou fritté sur le fil.The support may be overmolded or sintered on the wire.

L'invention a encore pour objet, selon un autre de ses aspects, un dispositif pour l'application d'un produit cosmétique ou pour parfaire un maquillage, comportant un organe chauffant et un circuit électrique d'alimentation de l'organe chauffant, ce circuit comportant un moyen de commande permettant de suralimenter l'organe chauffant avec une puissance électrique dissipée supérieure à celle nécessaire à son maintien à une température de service, comprise entre 60 et 70°C par exemple.Another subject of the invention, according to another of its aspects, is a device for applying a cosmetic product or for perfecting makeup, comprising a heating member and an electric circuit for feeding the heating member, circuit comprising a control means for supercharging the heating member with a dissipated electric power greater than that necessary for its maintenance at a service temperature of between 60 and 70 ° C for example.

Le moyen de commande est par exemple un interrupteur actionnable par l'utilisateur ou actionné automatiquement lors de la mise en place du dispositif sur un récipient contenant le produit à prélever.The control means is for example a switch actuated by the user or actuated automatically when placing the device on a container containing the product to be taken.

L'organe chauffant est par exemple suralimenté en étant alimenté à une tension supérieure à celle permettant son maintien à la température de service, par exemple une tension supérieure d'au moins 30%. L'organe chauffant peut encore être suralimenté en étant alimenté avec un rapport cyclique supérieur, étant par exemple alimenté en continu pendant la phase de suralimentation (rapport cyclique 100 %), puis à un rapport cyclique inférieur ensuite, ce rapport cyclique étant par exemple fonction de l'état d'épuisement de la source d'énergie.The heating member is for example supercharged by being supplied with a voltage greater than that allowing its maintenance at the operating temperature, for example a voltage greater than at least 30%. The heating element can also be supercharged by being fed with a higher duty cycle, for example being fed continuously during the supercharging phase (100% duty cycle), then at a lower duty cycle thereafter, this duty cycle being, for example, the state of exhaustion of the energy source.

L'organe chauffant peut être suralimenté pendant une durée prédéfinie, déterminée par une temporisation.The heating member can be supercharged for a predefined period, determined by a time delay.

L'invention pourra être mieux comprise à la lecture de la description qui va suivre, d'exemples non limitatifs de mise en oeuvre de celle-ci, et à l'examen du dessin annexé, sur lequel :

  • la figure 1 représente de façon schématique et partielle, en perspective, un exemple de dispositif selon l'invention, lorsque l'applicateur n'est pas introduit dans le récipient,
  • la figure 2 représente de façon schématique le dispositif de la figure 1 lorsque l'applicateur est en place dans le récipient,
  • la figure 3 est une coupe longitudinale, schématique et partielle, du dispositif de la figure 2,
  • la figure 4 représente de manière schématique le circuit d'alimentation électrique de l'applicateur des figures 1 à 3,
  • la figure 5 représente partiellement un autre exemple d'applicateur selon l'invention,
  • la figure 6 représente en coupe longitudinale, partielle et schématique, l'applicateur de la figure 5, introduit dans un récipient associé, et
  • les figures 7 à 17 sont des exemples d'organes chauffants selon l'invention.
The invention will be better understood on reading the following description, non-limiting examples of implementation thereof, and on examining the appended drawing, in which:
  • the figure 1 represents schematically and partially, in perspective, an exemplary device according to the invention, when the applicator is not introduced into the container,
  • the figure 2 schematically represents the device of the figure 1 when the applicator is in place in the container,
  • the figure 3 is a longitudinal section, schematic and partial, of the device of the figure 2 ,
  • the figure 4 schematically represents the power supply circuit of the applicator of the Figures 1 to 3 ,
  • the figure 5 partially represents another example of an applicator according to the invention,
  • the figure 6 represents in longitudinal, partial and schematic section, the applicator of the figure 5 , introduced into an associated container, and
  • the Figures 7 to 17 are examples of heating elements according to the invention.

On a représenté aux figures 1 à 3 un dispositif 1 selon l'invention.Representatives Figures 1 to 3 a device 1 according to the invention.

Ce dispositif 1 comporte un récipient 3 contenant un produit P à appliquer et un applicateur 2 pour prélever le produit P et l'appliquer sur les fibres kératiniques, la peau ou les muqueuses, selon sa nature.This device 1 comprises a container 3 containing a product P to be applied and an applicator 2 for taking the product P and applying it to the keratinous fibers, the skin or the mucous membranes, depending on its nature.

Dans l'exemple illustré, le produit P est pulvérulent, étant contenu dans un réservoir 9 du récipient 3, ce réservoir 9 communiquant avec un logement 5 destiné à recevoir l'applicateur.In the example illustrated, the product P is powdery, being contained in a reservoir 9 of the container 3, the reservoir 9 communicating with a housing 5 intended to receive the applicator.

Le récipient 3 est agencé pour permettre à une certaine quantité de produit P provenant du réservoir 9 de gagner le logement 5 afin d'y être prélevée par l'applicateur 2.The container 3 is arranged to allow a certain amount of product P from the tank 9 to gain the housing 5 in order to be taken by the applicator 2.

Dans l'exemple illustré, l'alimentation du logement 5 s'effectue par un passage 8 ménagé entre une cloison 7 séparant le logement 5 du réservoir 9 et une paroi 4 définissant le fond du logement 5. Ce passage 8 peut s'étendre tout autour du logement 5, le réservoir 9 ayant par exemple une forme annulaire.In the illustrated example, the supply of the housing 5 is effected by a passage 8 formed between a partition 7 separating the housing 5 from the reservoir 9 and a wall 4 defining the bottom of the housing 5. This passage 8 can extend any around the housing 5, the reservoir 9 having for example an annular shape.

Pour charger le logement 5 en produit, en l'absence de l'applicateur 2, l'utilisateur peut par exemple tapoter sur le récipient 3 afin que du produit P s'écoule par gravité à travers le passage 8 dans le logement 5 et se répartisse dans le fond de celui-ci.To load the housing 5 in product, in the absence of the applicator 2, the user can for example tap on the container 3 so that the product P flows by gravity through the passage 8 in the housing 5 and divide in the bottom of it.

L'applicateur 2 comporte un boîtier 20 servant de partie de préhension, pourvu à une extrémité d'une tête applicatrice 21, laquelle porte un organe chauffant 24.The applicator 2 comprises a housing 20 serving as a gripping part, provided at one end with an applicator head 21, which carries a heating element 24.

La tête applicatrice 21 est destinée à être engagée dans le logement 5. Ce dernier est agencé pour maintenir l'applicateur 2 orienté sensiblement verticalement lorsque le récipient 3 repose sur une surface plane horizontale, comme représenté sur les figures 2 et 3.The applicator head 21 is intended to be engaged in the housing 5. The latter is arranged to keep the applicator 2 oriented substantially vertically when the container 3 rests on a horizontal flat surface, as shown in FIGS. Figures 2 and 3 .

L'applicateur 2 comporte, comme illustré à la figure 4, une source électrique autonome 50, par exemple une ou plusieurs pile(s) ou une batterie, logée dans le boîtier 20, ainsi qu'un circuit électrique d'alimentation 51 qui gère l'alimentation électrique de l'organe chauffant 24.The applicator 2 comprises, as illustrated in FIG. figure 4 an autonomous electric source 50, for example one or more cells or a battery, housed in the housing 20, and an electric supply circuit 51 which manages the power supply of the heating member 24.

L'applicateur 2 comporte des moyens de commande qui permettent à l'utilisateur de faire passer l'applicateur d'un état d'arrêt ou de veille à un état de marche, ces moyens de commande comportant par exemple un interrupteur 40 de marche/arrêt présent sur le boîtier 20 de l'applicateur.The applicator 2 comprises control means that enable the user to switch the applicator from a standstill or standby state to a running state, these control means comprising, for example, a switch 40 for operation. stop present on the housing 20 of the applicator.

Conformément à un aspect de l'invention, le dispositif 1 comporte également des moyens de détection qui permettent une détection de l'engagement de l'applicateur 2 sur le récipient 3, afin de modifier l'alimentation électrique de l'organe chauffant 24 au moins temporairement, suite à cette détection.According to one aspect of the invention, the device 1 also comprises detection means which enable detection of the engagement of the applicator 2 on the container 3, in order to modify the power supply of the heating member 24 to the less temporarily, following this detection.

Dans l'exemple des figures 1 à 3, l'applicateur 2 comporte un interrupteur 42 qui est actionné automatiquement lorsque l'applicateur 2 est en place sur le récipient.In the example of Figures 1 to 3 , the applicator 2 comprises a switch 42 which is actuated automatically when the applicator 2 is in place on the container.

Cet interrupteur 42 est par exemple un bouton-poussoir présent sur le boîtier 20 ou la tête applicatrice 21, qui est déplacé de façon à changer d'état lorsque l'applicateur 2 est mis en place sur le récipient 3.This switch 42 is for example a push button present on the housing 20 or the applicator head 21, which is moved so as to change state when the applicator 2 is placed on the container 3.

Le circuit électrique d'alimentation 51 présent dans l'applicateur 2 détecte le changement d'état de l'interrupteur 42 et cette détection peut commander le début d'une phase de fonctionnement prédéfinie, durant laquelle l'organe chauffant est suralimenté de façon à dissiper une puissance électrique supérieure à celle normalement nécessaire au maintien de la température de l'organe chauffant à la température de service. Cette phase de suralimentation peut par exemple permettre d'élever très rapidement la température de l'organe chauffant et/ou faciliter son chargement en produit.The electrical supply circuit 51 present in the applicator 2 detects the change of state of the switch 42 and this detection can control the beginning of a predefined operating phase, during which the heating element is supercharged so as to dissipate an electrical power greater than that normally necessary for maintaining the temperature of the heating element at the operating temperature. This supercharging phase may, for example, make it possible to raise the temperature of the heating member very rapidly and / or to facilitate its loading into product.

Pendant la phase de suralimentation, la température de l'organe chauffant peut atteindre par exemple plus de 90°C, alors que la température de service de l'organe chauffant est par exemple comprise entre 60 et 70°C.During the supercharging phase, the temperature of the heating member can reach for example more than 90 ° C, while the operating temperature of the heating member is for example between 60 and 70 ° C.

Durant la phase de suralimentation, l'organe chauffant est par exemple alimenté à une tension supérieure à la tension correspondant à son maintien à la température de service, par exemple une tension de 3V alors que la tension d'alimentation correspondant à la température de service est de 2V.During the supercharging phase, the heating element is for example supplied with a voltage greater than the voltage corresponding to its maintenance at the operating temperature, for example a voltage of 3V while the supply voltage corresponding to the operating temperature is 2V.

Le circuit d'alimentation 51 de l'organe chauffant comporte par exemple une alimentation à découpage et l'alimentation de l'organe chauffant peut s'effectuer avec un rapport cyclique variable.The supply circuit 51 of the heating member comprises for example a switching power supply and the power supply of the heating member can be performed with a variable duty cycle.

La détection de la présence de l'applicateur dans le logement peut provoquer une variation du rapport cyclique, l'alimentation de l'organe chauffant durant la phase de suralimentation étant par exemple effectuée avec un rapport cyclique supérieur à celui assurant le maintien de l'organe chauffant à la température de service.The detection of the presence of the applicator in the housing can cause a variation of the duty cycle, the supply of the heating member during the supercharging phase being for example carried out with a duty cycle greater than that ensuring the maintenance of the heating member at the operating temperature.

Durant la phase de suralimentation, l'alimentation de l'organe chauffant peut s'effectuer en continu, par exemple.During the supercharging phase, the supply of the heating element can be carried out continuously, for example.

Lors de la phase de maintien de l'organe chauffant à la température de service, la tension de la source d'énergie électrique autonome peut être mesurée afin de connaître son état d'épuisement et le rapport cyclique peut varier en fonction de l'état d'épuisement de la source d'énergie autonome, tendant à augmenter à mesure que la tension de la source baisse.During the maintenance phase of the heating element at the operating temperature, the voltage of the autonomous electrical energy source can be measured in order to know its state of exhaustion and the duty cycle can vary according to the state depletion of the autonomous energy source, tending to increase as the voltage of the source drops.

La durée pendant laquelle l'organe chauffant est suralimenté peut être définie par une temporisation, afin d'éviter qu'en cas de maintien prolongé de l'organe chauffant sur le récipient 3 la source électrique de l'applicateur ne soit épuisée inutilement.The duration during which the heating element is supercharged can be defined by a time delay, in order to avoid that, in the event of prolonged maintenance of the heating element on the receptacle 3, the electrical source of the applicator is not used up unnecessarily.

L'applicateur 2 peut être agencé pour s'éteindre automatiquement en cas d'absence d'utilisation prolongée.The applicator 2 can be arranged to switch off automatically in the event of absence of prolonged use.

L'applicateur 2 peut comporter un indicateur lumineux 44 afin de signaler à l'utilisateur que l'applicateur 2 est prêt à être utilisé, par exemple que la température de service est atteinte.The applicator 2 may include a light indicator 44 to signal to the user that the applicator 2 is ready to be used, for example that the operating temperature is reached.

En cas d'arrêt automatique de l'applicateur en raison par exemple d'une présence trop longue sur le récipient 3, le voyant 44 s'éteint et l'utilisateur est ainsi informé qu'une nouvelle pression sur l'interrupteur 40 de marche/arrêt est nécessaire avant de pouvoir appliquer du produit.In case of automatic shutdown of the applicator due for example to a too long presence on the container 3, the indicator 44 goes off and the user is thus informed that a new pressure on the switch 40 of walking / stop is necessary before applying the product.

Le circuit électrique 51 d'alimentation de l'organe chauffant peut encore être agencé pour qu'à la mise en marche de l'applicateur, si la présence de l'applicateur sur le récipient est détectée, l'organe chauffant 24 soit suralimenté pendant une durée prédéfmie.The electric circuit 51 for supplying the heating element may also be arranged so that, when the applicator is started, if the presence of the applicator on the receptacle is detected, the heating element 24 is supercharged during a predefined time.

Le circuit électrique 51 d'alimentation de l'organe chauffant peut également être agencé pour qu'en cas de retrait de l'applicateur du récipient 3, l'alimentation électrique de l'organe chauffant soit immédiatement modifiée de façon à le ramener au plus vite à sa température de service, compatible avec l'application sur les matières kératiniques. Le changement d'état de l'interrupteur 42 peut être surveillé à cet effet.The electric circuit 51 for supplying the heating member may also be arranged so that, in the event of the applicator withdrawing from the receptacle 3, the power supply of the heating element is immediately modified so as to reduce it to the maximum quickly at its service temperature, compatible with the application on keratin materials. The change of state of the switch 42 can be monitored for this purpose.

Le dispositif 1 peut comporter des moyens de détection qui permettent de détecter le dégagement de l'applicateur 2 du récipient 3, afin de ramener l'alimentation électrique de l'organe chauffant dans le premier mode d'alimentation, aussi appelé « mode de service».The device 1 may comprise detection means which make it possible to detect the release of the applicator 2 from the container 3, in order to bring the power supply of the heating member back into the first mode of supply, also called "mode of service". ".

Lorsque l'applicateur 2 comporte une batterie rechargeable, la mise en place de l'applicateur 2 sur le récipient 3 peut être mise à profit pour recharger la batterie, grâce par exemple à des contacts électriques présents sur le récipient qui coopèrent avec des contacts électriques de l'applicateur.When the applicator 2 comprises a rechargeable battery, the introduction of the applicator 2 on the container 3 can be used to recharge the battery, for example through electrical contacts on the container that cooperate with electrical contacts of the applicator.

La détection de la présence de l'applicateur 2 sur le récipient 3 peut s'effectuer autrement que par le changement d'état d'un interrupteur 42 tel que décrit ci-dessus.The detection of the presence of the applicator 2 on the container 3 may be effected otherwise than by the change of state of a switch 42 as described above.

Par exemple, l'applicateur 2 comporte un interrupteur magnétique du type ILS et le récipient 3 comporte un aimant qui est disposé de manière à faire changer d'état cet interrupteur magnétique lorsque l'applicateur 2 est en place sur le récipient.For example, the applicator 2 comprises a magnetic switch of the ILS type and the container 3 comprises a magnet which is arranged so as to change the state of this magnetic switch when the applicator 2 is in place on the container.

L'applicateur 2 peut encore comporter un interrupteur optique, par exemple une photodiode ou un phototransistor, qui change d'état lorsque l'applicateur 2 est en place dans le récipient 3, par exemple en raison de la coupure d'un faisceau lumineux émis par l'applicateur 2, du renvoi vers l'applicateur 2 d'un faisceau lumineux émis par l'applicateur 2 ou de la réception par l'applicateur 2 d'un faisceau lumineux émis par le récipient 3.The applicator 2 may also comprise an optical switch, for example a photodiode or a phototransistor, which changes state when the applicator 2 is in place in the receptacle 3, for example because of the interruption of a light beam emitted by the applicator 2, the return to the applicator 2 of a light beam emitted by the applicator 2 or the reception by the applicator 2 of a light beam emitted by the receptacle 3.

La détection de la présence de l'applicateur 2 sur le récipient 3 peut encore s'effectuer par détection d'une pression de contact exercée sur l'applicateur 2, par exemple au niveau de la tête applicatrice 21, par exemple une pression sur l'organe chauffant 24.The detection of the presence of the applicator 2 on the container 3 can still be carried out by detecting a contact pressure exerted on the applicator 2, for example at the level of the applicator head 21, for example a pressure on the applicator 2. heating member 24.

La tête applicatrice 21 comporte par exemple un capteur de pression disposé sous l'organe chauffant 24, de telle sorte que la pression de ce dernier contre le fond du logement soit détectée. Le circuit électrique d'alimentation présent dans l'applicateur 2 peut être agencé pour démarrer la phase de suralimentation suite à cette détection.The applicator head 21 comprises for example a pressure sensor disposed under the heating member 24, so that the pressure of the latter against the bottom of the housing is detected. The electric supply circuit present in the applicator 2 can be arranged to start the supercharging phase following this detection.

La détection de la présence de l'applicateur dans le logement du récipient peut encore s'effectuer grâce à la venue en contact de contacts électriques de l'applicateur 2 avec des contacts électriques du récipient 3.The detection of the presence of the applicator in the receptacle of the receptacle can still take place thanks to the coming into contact of electrical contacts of the applicator 2 with electrical contacts of the receptacle 3.

Le cas échéant, l'énergie électrique nécessaire à la suralimentation de l'organe chauffant peut provenir d'une source électrique auxiliaire disposée dans le récipient. Par exemple, l'applicateur peut comporter des premiers contacts électriques et le récipient des seconds contacts électriques. Lorsque l'applicateur est en place dans le récipient, l'organe chauffant est par exemple alimenté à une tension supérieure par l'intermédiaire des premiers et deuxièmes contacts.If necessary, the electrical energy necessary for the supercharging of the heating member may come from an auxiliary electrical source disposed in the container. For example, the applicator may comprise first electrical contacts and the container of second electrical contacts. When the applicator is in place in the container, the heating member is for example supplied at a higher voltage via the first and second contacts.

Le circuit électrique 51 de l'applicateur comporte tous les composants permettant d'alimenter électriquement l'organe chauffant selon les phases de fonctionnement prévues.The electric circuit 51 of the applicator comprises all the components for electrically supplying the heating member according to the operating phases provided.

Avantageusement, le circuit électrique 51 comporte un microcontrôleur qui est programmé pour assurer les fonctionnalités recherchées.Advantageously, the electrical circuit 51 comprises a microcontroller which is programmed to provide the desired functionalities.

Le circuit électrique peut également comporter au moins un interrupteur électronique 54 relié en série avec l'organe chauffant 24, et qui permet par exemple de l'alimenter avec le rapport cyclique souhaité.The electrical circuit may also include at least one electronic switch 54 connected in series with the heating member 24, and which allows for example to feed it with the desired duty cycle.

Dans la variante illustrée à la figure 5, l'organe chauffant 24 a son axe longitudinal qui est sensiblement parallèle à celui de l'applicateur.In the variant illustrated in figure 5 , the heating member 24 has its longitudinal axis which is substantially parallel to that of the applicator.

La détection de la présence de l'organe chauffant dans le logement 5 du récipient 3 peut s'effectuer de manière similaire à ce qui a été précédemment décrit.The detection of the presence of the heating member in the housing 5 of the container 3 can be carried out in a manner similar to that previously described.

Avec une telle configuration de l'organe chauffant 24, ce dernier est de préférence chargé en produit en étant introduit dans un logement 5 ouvert latéralement, par exemple un logement 5 d'axe longitudinal Y horizontal, comme illustré à la figure 6.With such a configuration of the heating member 24, the latter is preferably loaded into product by being introduced into a laterally open housing 5, for example a housing 5 of horizontal longitudinal axis Y, as illustrated in FIG. figure 6 .

Le récipient 3 peut être agencé pour déposer une certaine quantité de produit sur l'organe chauffant 24 lorsque celui-ci est présent dans le logement 5.Le récipient 3 comporte par exemple une sortie 11 de distribution du produit qui surplombe l'organe chauffant 24 et permet de déposer sur celui-ci le produit.The container 3 can be arranged to deposit a quantity of product on the heating member 24 when it is present in the housing 5.The container 3 comprises for example a product outlet 11 which overhangs the heating member 24 and allows to deposit on it the product.

Le produit P peut être amené jusqu'à la sortie 11 de diverses façons, par exemple au moyen d'un organe mobile, qui pousse le produit vers la sortie ou en transporte une certaine quantité, prélevée dans un réservoir.The product P can be fed to the outlet 11 in various ways, for example by means of a movable member, which pushes the product to the outlet or carries a certain quantity, taken from a reservoir.

Le récipient 3 peut encore comporter plusieurs doses de produit P en attente d'être distribuées et être agencé pour permettre à l'utilisateur de distribuer les doses une par une sur l'organe chauffant 24.The container 3 may also comprise several doses of product P waiting to be dispensed and be arranged to allow the user to distribute the doses one by one on the heating member 24.

On a représenté aux figures 7 à 17 différents exemples, parmi d'autres, de réalisation de l'organe chauffant 24.Representatives Figures 7 to 17 various examples, among others, of embodiment of the heating member 24.

Ce dernier peut comporter un support 28 et un fil résistif 27.The latter may comprise a support 28 and a resistive wire 27.

Le fil 27 est par exemple réalisé en alliage nickel chrome ou en cupro-nickel et peut présenter un diamètre compris entre 0,1 mm et 0,5 mm, étant par exemple de l'ordre de 0,2 mm, et une longueur comprise entre 120 mm et 180 mm, étant par exemple de l'ordre de 150 mm.The wire 27 is for example made of nickel-chromium alloy or cupro-nickel and may have a diameter of between 0.1 mm and 0.5 mm, being for example of the order of 0.2 mm, and a length of between 120 mm and 180 mm, being for example of the order of 150 mm.

Le fil 27 peut être isolé électriquement.The wire 27 may be electrically insulated.

Dans un exemple, le fil est en alliage NiCr et isolé en étant recouvert de PTFE et dans un autre exemple le fil est en alliage cupro-nickel recouvert d'émail.In one example, the wire is made of NiCr alloy and insulated by being coated with PTFE and in another example the wire is enameled copper-nickel alloy.

Le support 28 peut être choisi parmi les métaux conducteurs comme l'aluminium, l'acier ou un alliage à base de cuivre.The support 28 may be chosen from conductive metals such as aluminum, steel or a copper-based alloy.

Le fil 27 peut former des spires qui peuvent être jointives ou non.The wire 27 may form turns which may be contiguous or not.

Dans un exemple, le fil 27 n'est pas isolé et le support 28 associé à un tel fil chauffant 27 est alors réalisé en un matériau non conducteur électrique, par exemple une céramique, un silicone ou une autre matière plastique thermorésistante.In one example, the wire 27 is not insulated and the support 28 associated with such a heating wire 27 is then made of a non-conductive electrical material, for example a ceramic, a silicone or other heat-resistant plastic material.

L'emploi pour réaliser le support 28 d'une céramique de faible adhérence peut permettre de retirer le produit cosmétique P appliqué sur la surface chauffante de façon relativement aisée lorsque l'organe chauffant a refroidi.The use for making the support 28 of a low-adhesion ceramic can make it possible to remove the cosmetic product P applied to the heating surface relatively easily when the heating member has cooled down.

Le support 28 est dans l'exemple de la figure 7 un cylindre creux ayant par exemple un diamètre extérieur de 4mm, un diamètre intérieur de 3 mm et une longueur de 25mm. Ce cylindre creux définit un logement interne non apparent dans lequel est disposé le fil 27, qui est par exemple un fil en alliage NiCr spiralé, ayant pour diamètre 0,17 mm et pour longueur 150mm.The support 28 is in the example of the figure 7 a hollow cylinder having, for example, an outside diameter of 4 mm, an inside diameter of 3 mm and a length of 25 mm. This hollow cylinder defines a non-visible internal housing in which is disposed the wire 27, which is for example a spiral NiCr alloy wire, having a diameter of 0.17 mm and a length of 150 mm.

Lorsque le support 28 est réalisé en un matériau non conducteur électrique, notamment en céramique, le support 28 peut être surmoulé sur le fil chauffant 27.When the support 28 is made of an electrically nonconductive material, in particular ceramic, the support 28 may be overmolded on the heating wire 27.

Dans l'exemple de la figure 8, le support 28 est un cylindre comportant plusieurs trous traversants 30, ces trous s'étendant selon l'axe longitudinal du support 28. Le cylindre est dans l'exemple de la figure 10 percé de quatre trous 30. Le fil 27 est bobiné à travers les trous 30.In the example of the figure 8 , the support 28 is a cylinder having a plurality of through holes 30, these holes extending along the longitudinal axis of the support 28. The cylinder is in the example of the figure 10 pierced by four holes 30. The wire 27 is wound through the holes 30.

On a représenté à la figure 10 un support 28 en forme de pion, comportant un corps cylindrique plein 28a surmonté d'une tête de faible épaisseur 28b. Le fil 27 est bobiné autour du corps cylindrique 28a.We have shown figure 10 a support 28 in the form of a pin, comprising a solid cylindrical body 28a surmounted by a thin head 28b. The wire 27 is wound around the cylindrical body 28a.

En variante, le corps cylindrique 28a est creux.Alternatively, the cylindrical body 28a is hollow.

Sur la figure 11, le support 28 est un disque de faible épaisseur, le fil 27 étant bobiné à l'intérieur de trous traversant ce disque dans son épaisseur.On the figure 11 , the support 28 is a thin disc, the wire 27 being wound inside holes through this disc in its thickness.

Dans la variante représentée à la figure 12, le fil 27 comporte un enroulement hélicoïdal partiellement noyé dans l'épaisseur du support 28.In the variant shown in figure 12 , the wire 27 has a helical winding partially embedded in the thickness of the support 28.

Sur les figures 13 à 17, le support 28 a la forme d'une plaque. Cette plaque peut comporter une pluralité de rainures 29 dans son épaisseur où passe le fil 27, comme illustré à la figure 15.On the Figures 13 to 17 the support 28 is in the form of a plate. This plate may comprise a plurality of grooves 29 in its thickness where the wire 27 passes, as illustrated in FIG. figure 15 .

Dans cet exemple, le support 28 a par exemple une longueur de 25mm, une largeur de 4mm, une hauteur de 3mm et comporte cinq rainures ayant une largeur de 0,5mm.In this example, the support 28 has for example a length of 25mm, a width of 4mm, a height of 3mm and has five grooves having a width of 0.5mm.

Dans l'exemple des figures 16 et 17, le support 28 se présente sous la forme d'une plaque dépourvue de rainures, ayant par exemple une longueur de 25 mm, une largeur de 3 mm et une hauteur de 0,5 mm.In the example of Figures 16 and 17 , the support 28 is in the form of a plate devoid of grooves, having for example a length of 25 mm, a width of 3 mm and a height of 0.5 mm.

Le support 28 peut comporter deux trous 32 et 33 servant respectivement de point d'arrivée et de point de départ du fil 27.The support 28 may comprise two holes 32 and 33 respectively serving as the point of arrival and starting point of the wire 27.

Le fil peut être bobiné longitudinalement, comme représenté aux figures 14 ou 17, ou transversalement, comme représenté aux figures 13 et 16.The wire can be wound longitudinally, as shown in Figures 14 or 17 , or transversely, as shown in Figures 13 and 16 .

L'organe chauffant peut être réalisé autrement encore.The heating member may be realized otherwise.

Dans une variante de mise en oeuvre de l'invention, correspondant à un autre aspect de celle-ci, l'utilisateur peut commander lui-même la suralimentation de l'organe chauffant, indépendamment de sa mise en place sur le récipient.In an alternative embodiment of the invention, corresponding to another aspect thereof, the user can himself control the supercharging of the heating member, regardless of its placement on the container.

L'expression « comportant un » doit être comprise comme « comportant au moins un » sauf si le contraire est spécifié.The expression "comprising one" must be understood as "containing at least one" unless the opposite is specified.

Claims (14)

  1. A device (1) for taking and for applying a cosmetic composition, the device comprising:
    an applicator (2) including an electric heater member (24); and
    a container (3) containing the composition (P), the container (3) presenting a housing (5) in which the applicator (2) can be inserted, at least in part, so as to be loaded with composition;
    the device (1) including an electrical circuit (51) for powering the heater member (50), characterized in that said electrical circuit (51) is arranged so that the power supply to the heater member (24) is automatically modified, said modification of the power supply to the heater member leading to an increase in the electric power that is dissipated by the heater member when said heater member is in the housing (5), when a predefined condition relating to the applicator (2) being inserted into the housing (5) is satisfied.
  2. A device according to claim 1, the increase in the electric power dissipated, leading to an increase in the temperature of the heater member (24), bringing said heater member up to at least 85°C.
  3. A device according to any preceding claim, the power circuit (51) being housed, at least in part, in the applicator (2).
  4. A device according to any one of claims 1 to 3, the applicator (2) including an independent electrical energy source (50).
  5. A device according to any one of claims 1 to 4, the applicator including at least one switch (42), and the predefined condition being a modification in state of the switch (42) when the applicator (2) is inserted into the container (3).
  6. A device according to claim 5, the switch (42) interacting mechanically, magnetically, or optically with the container (3) in order to change state.
  7. A device according to any preceding claim, the container (3) including an auxiliary electrical energy source, the heater member being powered by the auxiliary electricity source when the applicator is in place on the container.
  8. A device according to any preceding claim, the electrical circuit including a timer that is arranged so that the modification in the power supply, following the detection of the predefined condition, occurs only for a predefined duration.
  9. A device according to any preceding claim, the composition (P) being in powder form in the container.
  10. A device according to any preceding claim, the composition (P) being for applying to keratinous fibers, and in particular being mascara.
  11. A method of taking up a cosmetic composition (P), including a care product, by means of an applicator (2), in which method:
    an applicator (2) including a heater member (24) is inserted into a container (3) containing the composition (P) to be taken up;
    characterized in that:
    detection takes place to see if a predefined condition relating to the presence of the applicator (2) in the container (3) is satisfied; and
    the power supply to the heater member (24) is modified automatically when the predefined condition is satisfied, said modification leading to an increase in the electric power that is dissipated by the heater member when said heater member is in the housing (5).
  12. A method according to claim 11, in which the power supply to the heater member is modified for as long as the predefined condition is satisfied.
  13. A method according to claim 11, in which the power supply to the heater member is modified for a predefined duration.
  14. A method according to any one of claims 11 to 13, in which the predefined condition is the detection of a modification in the state of a switch (42) while the applicator (2) is being inserted into the container (3).
EP08171917A 2007-12-20 2008-12-17 Device for sampling and applying a cosmetic product Not-in-force EP2074906B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0760161A FR2925268B1 (en) 2007-12-20 2007-12-20 DEVICE FOR COLLECTING AND APPLYING A COSMETIC PRODUCT.

Publications (2)

Publication Number Publication Date
EP2074906A1 EP2074906A1 (en) 2009-07-01
EP2074906B1 true EP2074906B1 (en) 2010-04-28

Family

ID=39666170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08171917A Not-in-force EP2074906B1 (en) 2007-12-20 2008-12-17 Device for sampling and applying a cosmetic product

Country Status (6)

Country Link
US (1) US8104982B2 (en)
EP (1) EP2074906B1 (en)
AT (1) ATE465654T1 (en)
DE (1) DE602008001104D1 (en)
ES (1) ES2345074T3 (en)
FR (1) FR2925268B1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9801505B2 (en) 2013-12-20 2017-10-31 Toaster Labs, Inc. Automatic fluid dispenser
US9974416B2 (en) 2013-12-20 2018-05-22 Toaster Labs, Inc. Automatic heated fluid dispenser
US10098510B2 (en) 2013-12-20 2018-10-16 Toaster Loabs, Inc. Pneumatically driven fluid dispenser
US10144032B2 (en) 2013-12-20 2018-12-04 Toaster Labs, Inc. Inductively heatable fluid reservoir
US10189038B2 (en) 2013-12-20 2019-01-29 Toaster Labs, Inc. Inductively heatable fluid reservoir for various fluid types

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2925267B1 (en) * 2007-12-20 2010-01-08 Oreal DEVICE FOR APPLYING A COSMETIC COMPOSITION COMPRISING A HEATING ORGAN.
FR2934493B1 (en) * 2008-08-01 2010-09-17 Oreal PROCESS FOR THE TATING OF HUMAN KERATIN FIBERS
FR2954146B1 (en) * 2009-12-21 2014-04-25 Oreal PROCESS FOR COSMETIC TREATMENT OF KERATIN FIBERS
JP2013090725A (en) * 2011-10-25 2013-05-16 Panasonic Corp Hair shaping device
US10433372B2 (en) 2013-12-20 2019-10-01 Toaster Labs, Inc. Portable fluid warming device
US10667596B2 (en) * 2016-03-29 2020-06-02 Johnson & Johnson Consumer Inc. Topical preparation warming device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5775344A (en) * 1996-02-09 1998-07-07 Clay; Mary A. Cosmetic container and applicator with heating apparatus
KR100217490B1 (en) 1996-12-18 1999-09-01 서정주 The eyebrow forming equipment
AU4171899A (en) * 1998-12-31 2000-07-24 Youm, Hyoun Jik Eyelash curler
JP4075443B2 (en) 2002-04-19 2008-04-16 松下電工株式会社 Eyelash forming tool
FR2852795B1 (en) * 2003-03-24 2005-05-06 Oreal ASSEMBLY FOR PACKAGING AND APPLYING A COSMETIC PRODUCT AND / OR CARE COMPRISING A HEATING MEANS
FR2853505B1 (en) * 2003-04-11 2005-05-20 Oreal PACKAGING AND APPLICATION ASSEMBLY OF A MAKE-UP AND / OR CARE PRODUCT
US20050220828A1 (en) * 2003-10-31 2005-10-06 The Procter & Gamble Company Treatment of keratinous tissue
US7322366B2 (en) 2004-07-06 2008-01-29 Yong Hoon Cho Heated eyelash curler
US7465114B2 (en) * 2004-08-11 2008-12-16 Elc Management Llc Vibrating mascara applicator, suitable compositions and method of use
KR100846443B1 (en) * 2006-03-31 2008-07-16 김태연 Heating Mascara
US7448814B2 (en) * 2006-06-07 2008-11-11 Elc Management Llc Cosmetic dispensing devices containing heating elements
US7753609B2 (en) * 2006-06-07 2010-07-13 Elc Management Llc Cosmetic applicators containing heating elements

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9801505B2 (en) 2013-12-20 2017-10-31 Toaster Labs, Inc. Automatic fluid dispenser
US9974416B2 (en) 2013-12-20 2018-05-22 Toaster Labs, Inc. Automatic heated fluid dispenser
US10098510B2 (en) 2013-12-20 2018-10-16 Toaster Loabs, Inc. Pneumatically driven fluid dispenser
US10144032B2 (en) 2013-12-20 2018-12-04 Toaster Labs, Inc. Inductively heatable fluid reservoir
US10189038B2 (en) 2013-12-20 2019-01-29 Toaster Labs, Inc. Inductively heatable fluid reservoir for various fluid types

Also Published As

Publication number Publication date
FR2925268A1 (en) 2009-06-26
ES2345074T3 (en) 2010-09-14
EP2074906A1 (en) 2009-07-01
FR2925268B1 (en) 2010-11-05
ATE465654T1 (en) 2010-05-15
US20090162128A1 (en) 2009-06-25
US8104982B2 (en) 2012-01-31
DE602008001104D1 (en) 2010-06-10

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