EP0629366B1 - Applicator for hot-melt products, in particular depilatory wax, with a roller made of two materials - Google Patents

Applicator for hot-melt products, in particular depilatory wax, with a roller made of two materials Download PDF

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Publication number
EP0629366B1
EP0629366B1 EP94420171A EP94420171A EP0629366B1 EP 0629366 B1 EP0629366 B1 EP 0629366B1 EP 94420171 A EP94420171 A EP 94420171A EP 94420171 A EP94420171 A EP 94420171A EP 0629366 B1 EP0629366 B1 EP 0629366B1
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EP
European Patent Office
Prior art keywords
applicator
roller
reservoir
applicator according
wax
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.)
Expired - Lifetime
Application number
EP94420171A
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German (de)
French (fr)
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EP0629366A1 (en
Inventor
Marc Legrain
Daniel Combe
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.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Priority to EP97105500A priority Critical patent/EP0784948B1/en
Publication of EP0629366A1 publication Critical patent/EP0629366A1/en
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Publication of EP0629366B1 publication Critical patent/EP0629366B1/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00523—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material
    • 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
    • A45D26/00—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers
    • A45D26/0014—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers using wax
    • 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
    • A45D40/261—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a ball, a roller or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
    • B05C17/03—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller
    • B05C17/035—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller direct or indirectly to the outer surface of the coating roller
    • B05C17/0357—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller direct or indirectly to the outer surface of the coating roller directly from a container attached to the hand tool, e.g. by gravity or dipping

Definitions

  • the present invention relates to the field general technique of product application devices hot-melt, such as depilatory wax, ointments, creams, or even glues or varnishes, in which the product stored in solid form at room temperature, must be subjected to a heat flux to change state and pass at least in a pasty state so that it can be applied.
  • product application devices hot-melt such as depilatory wax, ointments, creams, or even glues or varnishes
  • the present invention relates more particularly an applicator of hot-melt products, in particular depilatory wax, comprising a casing associated with a means of gripping, a reservoir of the product to be applied in relation thermal with heating means, and at least one roller applicator disposed in the vicinity of an outlet orifice of the tank.
  • hot-melt products it is advisable to understand within the meaning of the invention, all types of products likely to take at room temperature a state solid physical, even semi-solid or pasty, but likely to change state under the action of heat physical to tend towards a liquid state likely to allow its spreading in the form of thin layers.
  • the invention more particularly aims to protect a depilatory wax applicator, but it's obvious that the applicator of hot-melt products conforming to the invention is in no way limited to this use specific, and that hot-melt products such as waxes or glues can be applied using the applicator according to the invention.
  • the hair removal technique by applying a wax depilatory consists of melting a certain amount of wax, then apply a layer of this wax in the melt on the area to be epilated. After hardening, i.e. after cooling, the cold wax film is removed at using all appropriate means, the hairs then being extracts from the skin due to their attachment to the melted wax.
  • hot wax dispensers ready to use, consisting of a heated wax tank by any means, such as a similar device to a bottle warmer.
  • These devices are supplemented by a single wax distributor roller independent of the tank, that the user introduces into the wax mass in order to coat it with a mass of wax.
  • These devices of great hardiness, no longer meet the needs of depilatory wax users due in particular to numerous disadvantages of use. So the temperature application of the wax is practically uncontrollable as well besides the thickness of application of the wax layer.
  • These devices are also considered bulky and give rise to a long, tedious hair removal operation, often messy and also involves over-consumption of wax.
  • an applicator assembly comprising a housing provided with heated housings in which are housed manual applicators intended to be implemented by the user.
  • the applicators are provided with an internal reservoir of depilatory wax, and a wax applicator roller.
  • Such an applicator obviously constitutes a noticeable improvement over previous devices, but it does resolve however not completely the essential problem of the control of the wax application temperature. Indeed, the heating of the wax does not intervene only discontinuously over time when the applicator is in the heated accommodation. It turns out that after a while of application the temperature of the wax decreases rapidly and is only consequence more at a favorable temperature level.
  • the object of the present invention therefore aims to remedy to the disadvantages mentioned above, and to provide an applicator for hot-melt products whose design and production are particularly simplified, while allowing control and optimal control of the application temperature of the hot-melt product.
  • the applicator according to the invention is simplified by the elimination of the second heating means. This simplification is obtained thanks to the features of claim 1.
  • Another object of the invention is to provide an applicator for hot-melt products whose individual parts are particularly simple to make and assemble.
  • Another object of the invention is to provide an applicator for easy-to-use hot-melt products when loading products and when dismantling and cleaning it.
  • the hot melt applicator shown in the Figure 1 is more particularly intended for the application of depilatory wax and includes a case 1 made for example of a plastic material, said housing having a shape general elongated longitudinal axis x-x '.
  • Box 1 is of any cross section and for example substantially circular, and advantageously constitutes a means of grip likely to allow the user to get away from it enter manually.
  • a tank 2 made of a material which is a good conductor of the heat, and intended to ensure the storage of the product hot melt to apply.
  • the reservoir 2 is made of aluminum, extends substantially over the entire part central unit 1 along the axis x-x 'and has a bottom 2a and an upper opening 2b.
  • the tank 2 is provided in its central zone with a fin 3 of heat diffusion extending into the internal volume of said tank from the bottom 2a.
  • Tank 2 is in thermal relationship with heating means 4, consisting for example an electrical resistance or a CTP surrounding at least partially the tank 2 or, as is shown in Figure 1, mounted integral with a wall of said tank 2.
  • the heating means 4 is conventionally associated with thermal regulation means such as thermostat 5 and a fuse 6.
  • thermal regulation means such as thermostat 5 and a fuse 6.
  • the applicator according to the invention is provided with a control light 7 power supply visible from the outside by through a light provided through the wall of the box 1.
  • the entire electrical system including electrical connections and means for locking the cord supply (not shown in the figures) is preferably mounted on a support flange 8 housed in the lower part of the housing 1, under the bottom 2a of the tank 2.
  • the upper zone of the housing 1 is advantageously constituted by a head 11 for example screwed on the part top of tank 2 and overcoming said part upper as well as the upper opening 2b of the tank 2.
  • the upper end 11b of the head 11 thus delimits a geometric envelope constituting the outlet orifice proper wax.
  • the hot melt applicator conforming to the invention also includes an axis applicator roller 15 of longitudinal revolution y-y 'arranged in the orifice of outlet from tank 2 so as to allow the flow of liquid wax on its periphery, and between it and the internal face of the head 11.
  • the applicator roller 15 is consisting of a core 16 made of a good conductive material heat, for example aluminum.
  • the core 16 is advantageously cylindrical and of circular section and is provided on each of its two opposite ends constituting the lateral faces of the roller 15, of a journal 17. These the latter are produced, for example by bar turning in the mass of the core 16, the pins 17 extending along the axis y-y ', and forming the axes of rotation of the roller 15.
  • the core 16 is surrounded, preferably over its entire peripheral surface by a coating of plastic material, advantageously overmolded, forming the application layer 18 wax.
  • the applicator roller 15 is mounted on the head 11 and supported on the latter through pins 17 which form the means of connection with the body of the applicator.
  • the roller 15 is removably mounted on the head 11 via slots 20 open at their upper end and formed in the thickness of each of the opposite faces of the head 11.
  • the slots 20 are open at their upper end and thus allow the passage of the pins 17 which come then rest in the bottom of each of the slots 20. ( Figure 2a).
  • the blocking means are advantageously constituted by a clip 21, generally U-shaped, fixedly mounted on long and against each slot 20, the open part of the U being in correspondence with the opening of each slot 20.
  • Each clip 21 has two lateral arms extending substantially in the same direction as the slots 20, said arms forming between them a narrowing 22 in the part upper of the clip 21, so as to block each pin 17 in the bottom of each slot 20.
  • the clip 21 is made of a metallic material with elasticity sufficient to allow the side arms to deform elastically when inserting or extracting pins 17 in and out of slots 20, and through the narrowing 22.
  • the applicator according to the invention comprises advantageously a head cover 12 intended to be applied on the head 11 and to extend the housing 1.
  • a cap of closure 13, removable is attached over the entire part upper part of the applicator.
  • the roll in or out applicator 15 can obviously be obtained by direct gripping of the roller 15, but this operation is advantageously carried out using an extraction pliers 30 (Figure 3).
  • the latter comprises two arms 31 substantially parallels linked together by a system opening / closing 32 advantageously constituted in the case present by an elastic half-crown 33.
  • the constraint elastic exerted by the half-crown 33 is such that the arms 31 adopt a stable position as shown in Figures 3 and 6 in which the distance between each of the arms is slightly less than the length of the applicator roller.
  • Each arm 31 is provided on each of these internal faces and substantially towards a end, of a gripping lug 34, each lug being arranged in opposition.
  • the ends of the arms 31 opposite the lugs 34 have each a support leg 35 shaped so as to allow the clamp 30 to rest in stable equilibrium on said support feet 35 ( Figure 6).
  • the gripping lugs 34 are intended to cooperate with gripping sculptures 40 ( Figure 4) made on and in the walls side of the roller 15.
  • the gripping sculptures consist of circular lips forming an extra thickness compared to the surface of the side walls of the roller 15.
  • the lips circular are formed in the thickness of the application layer 18.
  • the gripping sculptures 40 can be made of grooves in the core 16.
  • the extraction clamp 30 also comprises at least one and preferably two support pieces 36 arranged between the arms 31 and susceptible to come into contact with the application layer 18, when on the one hand the clamp extraction 30 is placed on the applicator, and on the other hand the sculptures gripping 40 cooperate with the lugs 34 ( Figure 6).
  • the support pieces 36 are constituted by the ends of the elastic circular half-crown 33.
  • FIGs 7 and 8 show an alternative embodiment of the invention according to which the applicator roller 15 is mounted movable on the housing 1 and relatively to the latter between a position of working and applying a film of wax in which it extends into the orifice outlet 11b from the reservoir 2 and a position for releasing said orifice for allow the reservoir 2 to be filled.
  • the applicator roller 15 is integral a slide 50 mounted movable by longitudinal sliding along the axis x-x 'on the housing 1 and preferably on the head 11 forming the part upper of the housing 1.
  • the slide 50 has two legs 51 extending substantially parallel, rigidly connected in opposite position by a spacer 52. Each leg is provided at its upper end axially aligned holes 53 for supporting the pins 17 of the roller applicator 15.
  • the slide 50 is intended to be inserted into the body of the case 1, the legs 51 sliding against the internal faces of the head 11 ( Figure 8).
  • Each leg 51 comprises in the central part a tongue of blocking 53 cut in the thickness of the jamb 51.
  • the tabs 53 are terminate at their upper end with a flange 54 folded in the direction of the axis x-x ', each flange 54 being intended to come to engage, when the slide 50 is in the low working position, as shown in FIG. 8, with an inclined face 55 provided at the bottom of the head 11 to lock the position in position slide 50.
  • the locking tabs 53 have sufficient elasticity to deform in the direction of the axis x-x 'and allow, by gripping the applicator roller 15, the erasure of the edges 54 out of the inclined faces 55 and sliding along arrow F1 of the slide out of the outlet orifice 11b to its high release position.
  • the slide 50 is provided, towards the lower end of each leg 51, with stops external 56 capable of engaging the inclined faces 55 when the slide 50 is in the high release position to oppose its total extraction. A such an arrangement does not reduce the transmission of thermal energy to the core 16, because in the working position, the pins 17 are supported by columns 57 in the head 11.
  • the applicator of hot-melt products according to the invention works as follows.
  • the user first extracts the roll applicator 15 in order to clear access to reservoir 2 to ensure its loading with depilatory wax through the opening superior 2b.
  • extraction can take place manually or using the pliers 30.
  • the user grasps the arms 31 and the deviates slightly against the restoring force exerted by the circular half-crown 33.
  • the clamp 30 is then positioning on the applicator roller 15 so that each arm 31 encloses the lateral faces of the roller applicator 15 ( Figure 4).
  • Each lug 34 thus cooperates with the circular lip 40 associated therewith. By loosening pressure on the arms 31 these then come grip securely through each lug 34 the gripping sculptures 40.
  • the wax After connecting the applicator to a source power supply the wax gradually becomes liquid and the user can then contact the applicator roller 15 on the surface to be depilated in order to allow the flow of wax on the application layer 18.
  • the user can again, for cleaning purposes, for example, extract the roller applicator 15 using the pliers 30 according to the steps previously described.
  • extraction pliers 30 avoids having to directly grasp the applicator roller 15 still coated with a certain amount of depilatory wax, and also allows to pose without risk of soiling for the medium surrounding the roller 15 by resting the clamp extraction 30 on the support legs 35.
  • the invention also relates to an assembly applicator of hot-melt product comprising in combination both a hot melt applicator and a extraction pliers 30.
  • the applicator assembly can have a base (not shown in the figures) for the support and storage of the applicator and the pliers.
  • the base can be provided with a timer, in particular audible, allowing the user after connecting the applicator to the electrical sector, display the average time required for the wax to melt solid.
  • extraction clamp 30 As a variant, it is possible not to make extraction clamp 30 as a separate element of the applicator as shown in Figure 3, but at contrary to integrating the extraction clamp 30 into a cap 45 for closing the applicator head ( Figure 5).
  • the extraction clamp 30 is integral with the cap 45 and is provided on its lateral arms with pushers 46 passing through the cap 45 via openings so as to be operated by the user.
  • the pushers 46 allow when one wants to extract the applicator roller to set the lugs 34 in motion allow their engagement with the gripping sculptures 40.
  • the removability of the applicator roller 15 is then obtained by simultaneous extraction of the cap 45 and the roller applicator 15. Extraction of the cap 45 can be obtained without extracting the applicator roller 15, omitting activate the pushers 46.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Cosmetics (AREA)

Description

La présente invention se rapporte au domaine technique général des dispositifs d'application de produits thermofusibles, tels que la cire à épiler, les onguents, les crèmes, voire même les colles ou vernis, dans lesquels le produit stocké sous forme solide à température ambiante , doit être soumis à un flux thermique pour changer d'état et passer à un état au moins pâteux afin de pouvoir être appliqué.The present invention relates to the field general technique of product application devices hot-melt, such as depilatory wax, ointments, creams, or even glues or varnishes, in which the product stored in solid form at room temperature, must be subjected to a heat flux to change state and pass at least in a pasty state so that it can be applied.

La présente invention concerne plus particulièrement un applicateur de produits thermofusibles, en particulier de cire à épiler, comportant un boítier associé à un moyen de préhension, un réservoir du produit à appliquer en relation thermique avec des moyens de chauffe, et au moins un rouleau applicateur disposé au voisinage d'un orifice de sortie du réservoir.The present invention relates more particularly an applicator of hot-melt products, in particular depilatory wax, comprising a casing associated with a means of gripping, a reservoir of the product to be applied in relation thermal with heating means, and at least one roller applicator disposed in the vicinity of an outlet orifice of the tank.

Par produits thermofusibles il convient d'entendre au sens de l'invention, tous les types de produits susceptibles de prendre à température ambiante, un état physique solide, voire semi-solide ou pâteux, mais susceptibles sous l'action de la chaleur de changer d'état physique pour tendre vers un état liquide susceptible de permettre son étalement sous forme de couches minces. L'invention vise plus particulièrement à protéger un applicateur de cire à épiler, mais il est bien évident que l'applicateur de produits thermofusibles conforme à l'invention n'est nullement limité à cette utilisation spécifique, et que des produits thermofusibles tels que des cires ou des colles peuvent être appliqués à l'aide de l'applicateur conforme à l'invention.By hot-melt products it is advisable to understand within the meaning of the invention, all types of products likely to take at room temperature a state solid physical, even semi-solid or pasty, but likely to change state under the action of heat physical to tend towards a liquid state likely to allow its spreading in the form of thin layers. The invention more particularly aims to protect a depilatory wax applicator, but it's obvious that the applicator of hot-melt products conforming to the invention is in no way limited to this use specific, and that hot-melt products such as waxes or glues can be applied using the applicator according to the invention.

Quel que soit le type d'applicateur de cire à épiler considéré, la technique d'épilation par application d'une cire dépilatoire, consiste à faire fondre une certaine quantité de cire, puis à appliquer à l'état fondu une couche de cette cire sur la zone à épiler. Après durcissement, c'est-à-dire après refroidissement, la pellicule de cire froide est retirée à l'aide de tous moyens appropriés, les poils étant alors extraits de la peau en raison de leur solidarisation avec la cire fondue.Regardless of the type of depilatory wax applicator considered, the hair removal technique by applying a wax depilatory, consists of melting a certain amount of wax, then apply a layer of this wax in the melt on the area to be epilated. After hardening, i.e. after cooling, the cold wax film is removed at using all appropriate means, the hairs then being extracts from the skin due to their attachment to the melted wax.

Pour mettre en oeuvre cette technique largement répandue, on connaít déjà des distributeurs de cire chaude prêtes à l'emploi, constitués d'un réservoir de cire chauffée par un moyen quelconque, par exemple par un appareil analogue à un chauffe-biberon. Ces dispositifs sont complétés par un simple rouleau distributeur de cire indépendant du réservoir, que l'utilisateur introduit dans la masse de cire afin de l'enduire d'une masse de cire. Ces appareils, d'une grande rusticité, s'avèrent ne plus correspondre aux besoins des utilisatrices de cire à épiler en raison notamment de nombreux inconvénients d'utilisation. Ainsi la température d'application de la cire est pratiquement incontrôlable ainsi d'ailleurs que l'épaisseur d'application de la couche de cire. Ces appareils sont également considérés comme encombrants et donnent lieu à une opération d'épilation longue, fastidieuse, souvent salissante et impliquant en outre une sur-consommation de cire.To implement this technique widely widespread, we already know hot wax dispensers ready to use, consisting of a heated wax tank by any means, such as a similar device to a bottle warmer. These devices are supplemented by a single wax distributor roller independent of the tank, that the user introduces into the wax mass in order to coat it with a mass of wax. These devices, of great hardiness, no longer meet the needs of depilatory wax users due in particular to numerous disadvantages of use. So the temperature application of the wax is practically uncontrollable as well besides the thickness of application of the wax layer. These devices are also considered bulky and give rise to a long, tedious hair removal operation, often messy and also involves over-consumption of wax.

Pour améliorer les dispositifs antérieurs mentionnés précédemment, il a déjà été proposé, notamment dans la demande de brevet FR-A-2520601, un ensemble applicateur comportant un boítier pourvu de logements chauffants dans lesquels sont logés des applicateurs manuels destinés à être mis en oeuvre par l'utilisatrice. Les applicateurs sont pourvus d'un réservoir interne de cire dépilatoire, et d'un rouleau applicateur de cire. Un tel applicateur constitue bien évidemment une amélioration notable par rapport aux dispositifs antérieurs, mais il ne résout cependant pas complètement le problème essentiel de la maítrise de la température d'application de la cire. En effet, le chauffage de la cire n'intervient que de manière discontinue dans le temps lorsque l'applicateur est dans le logement chauffant. Il s'avère en conséquence qu'après un certain temps d'application la température de la cire décroít rapidement et n'est en conséquence plus à un niveau de température favorable. Ceci entraíne une difficulté croissante dans l'application, et en particulier l'apparition d'un phénomène de filage de la cire influençant négativement la qualité de l'épilation. Cet inconvénient s'accompagne d'une sur-consommation de cire et d'une application hétérogène ce qui en définitive conduit à un résultat dépilatoire non satisfaisant. Pour pallier en partie à ce problème l'utilisatrice est alors obligée de remettre fréquemment l'applicateur dans les logements chauffants, ce qui allonge de manière inconsidérée le temps consacré à l'opération d'épilation, sans pour autant garantir une meilleure maítrise de la température de la cire ni au demeurant un meilleur résultat final.To improve the previous devices mentioned previously, it has already been proposed, in particular in the request FR-A-2520601, an applicator assembly comprising a housing provided with heated housings in which are housed manual applicators intended to be implemented by the user. The applicators are provided with an internal reservoir of depilatory wax, and a wax applicator roller. Such an applicator obviously constitutes a noticeable improvement over previous devices, but it does resolve however not completely the essential problem of the control of the wax application temperature. Indeed, the heating of the wax does not intervene only discontinuously over time when the applicator is in the heated accommodation. It turns out that after a while of application the temperature of the wax decreases rapidly and is only consequence more at a favorable temperature level. This results in a increasing difficulty in application, and in particular the appearance of a wax spinning phenomenon negatively influencing the quality of hair removal. This drawback is accompanied by over-consumption of wax and heterogeneous application which ultimately leads to a non-depilatory result satisfactory. To partially alleviate this problem, the user is then obliged to frequently put the applicator back into the heated compartments, which thoughtlessly lengthens the time spent on the hair removal operation, without guaranteeing better control of the temperature of the wax or moreover a better end result.

Il a ainsi été proposé, pour remédier en partie au défaut des ensembles applicateurs séparant le réservoir chauffant de cire de l'unité d'application, de réaliser, par exemple tel que cela est décrit dans la demande de brevet EP-A-0368698 un applicateur manuel comportant dans un même boítier un réservoir de cire, une résistance de chauffe et un rouleau applicateur. Pour améliorer la facilité d'application de la cire, mais également pour tenter de maítriser au mieux la température de la cire, il est prévu en plus du premier moyen de chauffe, un second moyen de chauffe ou un moyen accumulateur de chaleur, disposé au niveau du rouleau. Un tel dispositif assure une certaine maítrise de la température d'application de la cire et réduit d'une certaine manière le risque d'apparition du phénomène de filage mentionné précédemment. La présence d'un moyen de chauffe directement dans le rouleau applicateur peut être à l'origine d'un risque de surchauffe de la cire ou de brûlure de la peau de l'utilisatrice. En outre un tel dispositif s'avère être d'une réalisation délicate dans la mesure où il nécessite le montage de deux moyens de chauffe séparés dans un boítier. En définitive la fiabilité d'un tel dispositif n'est pas assurée et son coût s'avère élevé.It has thus been proposed, to partially remedy the lack of applicator assemblies separating the wax heating tank from the unit application, to perform, for example as described in the request EP-A-0368698 a manual applicator comprising in the same housing a wax tank, a heating resistor and an applicator roller. To improve the ease of application of the wax, but also to try to control the temperature of the wax as well as possible, it is provided in addition to the first heating means, a second heating means or a storage accumulator heat, arranged at the roller. Such a device ensures a certain control of the temperature of application of the wax and reduced by a certain way the risk of occurrence of the mentioned spinning phenomenon previously. The presence of a heating means directly in the applicator roller can cause a risk of overheating the wax or burns on the user's skin. Furthermore, such a device turns out to be of a delicate realization insofar as it requires the mounting of two means separate heaters in a box. Ultimately the reliability of such a device is not insured and its cost is high.

L'objet de la présente invention vise en conséquence à remédier aux inconvénients mentionnés précédemment, et à fournir un applicateur de produits thermofusibles dont la conception et la réalisation sont particulièrement simplifiées, tout en permettant une maítrise et un contrôle optimal de la température d'application du produit thermofusible. Notamment, l'applicateur selon l'invention est simplifié par la suppression du second moyen de chauffe. Cette simplification est obtenue grâce aux caractéristiques de la revendication 1.The object of the present invention therefore aims to remedy to the disadvantages mentioned above, and to provide an applicator for hot-melt products whose design and production are particularly simplified, while allowing control and optimal control of the application temperature of the hot-melt product. In particular, the applicator according to the invention is simplified by the elimination of the second heating means. This simplification is obtained thanks to the features of claim 1.

Un autre objet de l'invention vise à fournir un applicateur de produits thermofusibles dont les différentes pièces sont particulièrement simples à réaliser et à monter.Another object of the invention is to provide an applicator for hot-melt products whose individual parts are particularly simple to make and assemble.

Un autre objet de l'invention est de fournir un applicateur de produits thermofusibles d'utilisation facilitée lors de son chargement en produits thermofusibles et lors de son démontage et de son nettoyage.Another object of the invention is to provide an applicator for easy-to-use hot-melt products when loading products and when dismantling and cleaning it.

Diverses autres caractéristiques ressortiront mieux de la description faite ci-dessous en référence aux dessins annexés qui montrent, à titre d'exemples non limitatifs, des formes de réalisation de l'objet de l'invention.

  • La Figure 1 montre selon une vue en coupe transversale longitudinale un applicateur de produit thermofusible conforme à l'invention.
  • La Figure 2 montre selon une coupe transversale effectuée selon la ligne II-II de la Figure 1, des détails de réalisation de l'applicateur conforme à l'invention.
  • La Figure 2a montre selon une vue latérale un détail de réalisation de la partie supérieure de l'applicateur conforme à l'invention.
  • La Figure 3 montre selon une vue en perspective une pince d'extraction
  • La Figure 4 montre selon une vue en coupe partielle d'un bras de la pince d'extraction, un détail de réalisation de la pince d'extraction.
  • La Figure 5 montre selon une vue en coupe transversale partielle d'un applicateur conforme à l'invention, une seconde variante de réalisation d'une pince d'extraction.
  • La Figure 6 montre une pince d'extraction en position inversée de maintien sur un support d'un rouleau applicateur.
  • La figure 7 montre selon une vue en perspective un coulisseau de support d'un rouleau applicateur selon L'invention.
  • La figure 8 montre le montage du coulisseau support du rouleau applicateur dans le boítier d'un applicateur selon l'invention.
Various other characteristics will emerge more clearly from the description given below with reference to the appended drawings which show, by way of nonlimiting examples, embodiments of the subject of the invention.
  • Figure 1 shows a longitudinal cross-sectional view of a hot melt applicator according to the invention.
  • Figure 2 shows in a cross section taken along line II-II of Figure 1, details of embodiment of the applicator according to the invention.
  • Figure 2a shows in a side view a detail of the upper part of the applicator according to the invention.
  • Figure 3 shows in perspective view an extraction clamp
  • Figure 4 shows a partial sectional view of an arm of the extraction clamp, a detail of the extraction clamp.
  • Figure 5 shows a partial cross-sectional view of an applicator according to the invention, a second alternative embodiment of an extraction clamp.
  • Figure 6 shows an extraction clamp in the inverted position for holding on a support of an applicator roller.
  • Figure 7 shows in a perspective view a support slide of an applicator roller according to the invention.
  • Figure 8 shows the mounting of the support roller of the applicator roller in the housing of an applicator according to the invention.

L'applicateur de produit thermofusible montré à la Figure 1 est plus particulièrement destiné à l'application de cire à épiler et comporte un boítier 1 réalisé par exemple en un matériau plastique, ledit boítier présentant une forme générale allongée d'axe longitudinal x-x'. Le boítier 1 est de section transversale quelconque et par exemple sensiblement circulaire, et constitue de manière avantageuse un moyen de préhension susceptible de permettre à l'utilisatrice de s'en saisir manuellement. A l'intérieur du boítier 1 est logé un réservoir 2, réalisé en un matériau bon conducteur de la chaleur, et destiné à assurer le stockage du produit thermofusible à appliquer. Avantageusement, le réservoir 2 est réalisé en aluminium, s'étend sensiblement sur toute la partie centrale du boítier 1 selon l'axe x-x' et comporte un fond 2a et une ouverture supérieure 2b. Avantageusement le réservoir 2 est pourvu dans sa zone centrale d'une ailette 3 de diffusion de la chaleur s'étendant dans le volume interne dudit réservoir à partir du fond 2a. Le réservoir 2 est en relation thermique avec des moyens de chauffe 4, constitués par exemple d'une résistance électrique ou d'une CTP entourant au moins partiellement le réservoir 2 ou, tel que cela est montré à la Figure 1, montée solidaire d'une paroi dudit réservoir 2. The hot melt applicator shown in the Figure 1 is more particularly intended for the application of depilatory wax and includes a case 1 made for example of a plastic material, said housing having a shape general elongated longitudinal axis x-x '. Box 1 is of any cross section and for example substantially circular, and advantageously constitutes a means of grip likely to allow the user to get away from it enter manually. Inside the case 1 is housed a tank 2, made of a material which is a good conductor of the heat, and intended to ensure the storage of the product hot melt to apply. Advantageously, the reservoir 2 is made of aluminum, extends substantially over the entire part central unit 1 along the axis x-x 'and has a bottom 2a and an upper opening 2b. Advantageously the tank 2 is provided in its central zone with a fin 3 of heat diffusion extending into the internal volume of said tank from the bottom 2a. Tank 2 is in thermal relationship with heating means 4, consisting for example an electrical resistance or a CTP surrounding at least partially the tank 2 or, as is shown in Figure 1, mounted integral with a wall of said tank 2.

Le moyen de chauffe 4 est de manière classique associé à des moyens de régulation thermique tels qu'un thermostat 5 et un fusible 6. Avantageusement l'applicateur conforme à l'invention est pourvu, d'un voyant 7 de contrôle d'alimentation électrique visible de l'extérieur par l'intermédiaire d'une lumière ménagée à travers la paroi du boítier 1. L'ensemble du système électrique y compris les connexions électriques et les moyens de blocage du cordon d'alimentation (non montrés aux figures) est de préférence monté sur une bride support 8 logée dans la partie inférieure du boítier 1, sous le fond 2a du réservoir 2.The heating means 4 is conventionally associated with thermal regulation means such as thermostat 5 and a fuse 6. Advantageously the applicator according to the invention is provided with a control light 7 power supply visible from the outside by through a light provided through the wall of the box 1. The entire electrical system including electrical connections and means for locking the cord supply (not shown in the figures) is preferably mounted on a support flange 8 housed in the lower part of the housing 1, under the bottom 2a of the tank 2.

La zone supérieure du boítier 1 est avantageusement constituée par une tête 11 par exemple vissée sur la partie supérieure du réservoir 2 et venant surmonter ladite partie supérieure ainsi que l'ouverture supérieure 2b du réservoir 2. L'extrémité supérieure 11b de la tête 11 délimite ainsi une enveloppe géométrique constituant l'orifice de sortie proprement dit de la cire.The upper zone of the housing 1 is advantageously constituted by a head 11 for example screwed on the part top of tank 2 and overcoming said part upper as well as the upper opening 2b of the tank 2. The upper end 11b of the head 11 thus delimits a geometric envelope constituting the outlet orifice proper wax.

L'applicateur de produit thermofusible conforme à l'invention comporte également un rouleau applicateur 15 d'axe de révolution longitudinal y-y' disposé dans l'orifice de sortie du réservoir 2 de manière à permettre l'écoulement de la cire liquide sur sa périphérie, et entre cette dernière et la face interne de la tête 11. Le rouleau applicateur 15 est constitué d'un noyau 16 réalisé en un matériau bon conducteur de chaleur, et par exemple en aluminium. Le noyau 16 est avantageusement cylindrique et de section circulaire et est pourvu sur chacune de ses deux extrémités opposées constituant les faces latérales du rouleau 15, d'un tourillon 17. Ces derniers sont réalisés, par exemple par décolletage dans la masse même du noyau 16, les tourillons 17 s'étendant selon l'axe y-y', et formant les axes de rotation du rouleau 15.The hot melt applicator conforming to the invention also includes an axis applicator roller 15 of longitudinal revolution y-y 'arranged in the orifice of outlet from tank 2 so as to allow the flow of liquid wax on its periphery, and between it and the internal face of the head 11. The applicator roller 15 is consisting of a core 16 made of a good conductive material heat, for example aluminum. The core 16 is advantageously cylindrical and of circular section and is provided on each of its two opposite ends constituting the lateral faces of the roller 15, of a journal 17. These the latter are produced, for example by bar turning in the mass of the core 16, the pins 17 extending along the axis y-y ', and forming the axes of rotation of the roller 15.

Le noyau 16 est entouré, de préférence sur toute sa surface périphérique par un revêtement en matériau plastique, avantageusement surmoulé, formant la couche d'application 18 de la cire.The core 16 is surrounded, preferably over its entire peripheral surface by a coating of plastic material, advantageously overmolded, forming the application layer 18 wax.

Le rouleau applicateur 15 est monté sur la tête 11 et supporté sur cette dernière par l'intermédiaire des tourillons 17 qui forment les moyens de liaison avec le corps de l'applicateur. De manière avantageuse le rouleau 15 est monté de manière amovible sur la tête 11 par l'intermédiaire de fentes 20 ouvertes à leur extrémité supérieure et ménagées dans l'épaisseur de chacune des faces opposées de la tête 11. Les fentes 20 sont ouvertes à leur extrémité supérieure et permettent ainsi le passage des tourillons 17 qui viennent alors reposer dans le fond de chacune des fentes 20. (Figure 2a).The applicator roller 15 is mounted on the head 11 and supported on the latter through pins 17 which form the means of connection with the body of the applicator. Advantageously, the roller 15 is removably mounted on the head 11 via slots 20 open at their upper end and formed in the thickness of each of the opposite faces of the head 11. The slots 20 are open at their upper end and thus allow the passage of the pins 17 which come then rest in the bottom of each of the slots 20. (Figure 2a).

Le maintien en position des tourillons 17 au fond de chaque fente 20 est assuré par l'intermédiaire d'un moyen de blocage susceptible de s'effacer pour permettre l'amovibilité et l'extraction du rouleau 15. A cet effet les moyens de blocage sont avantageusement constitués par une agrafe 21, de forme générale en U, montée de manière fixe le long et contre chaque fente 20, la partie ouverte du U étant en correspondance avec l'ouverture de chaque fente 20. Chaque agrafe 21 comporte deux bras latéraux s'étendant sensiblement selon la même direction que les fentes 20, lesdits bras formant entre eux un rétrécissement 22 dans la partie supérieure de l'agrafe 21, de manière à bloquer chaque tourillon 17 dans le fond de chaque fente 20. L'agrafe 21 est réalisée dans un matériau métallique possédant une élasticité suffisante pour permettre aux bras latéraux de se déformer élastiquement lors de l'insertion ou de l'extraction des tourillons 17 dans et hors des fentes 20, et à travers le rétrécissement 22.Maintaining the pins 17 at the bottom of each slot 20 is provided by means blocking may be erased to allow the removability and the extraction of the roller 15. For this purpose the blocking means are advantageously constituted by a clip 21, generally U-shaped, fixedly mounted on long and against each slot 20, the open part of the U being in correspondence with the opening of each slot 20. Each clip 21 has two lateral arms extending substantially in the same direction as the slots 20, said arms forming between them a narrowing 22 in the part upper of the clip 21, so as to block each pin 17 in the bottom of each slot 20. The clip 21 is made of a metallic material with elasticity sufficient to allow the side arms to deform elastically when inserting or extracting pins 17 in and out of slots 20, and through the narrowing 22.

La réalisation d'un rouleau applicateur 15 bi-matière, et possédant un noyau 16 à base d'un matériau bon conducteur de la chaleur permet d'éviter une trop forte déperdition thermique de la cire lors de l'opération d'application, par stockage d'une partie de l'énergie thermique de la cire liquide dans le noyau 16. Les pertes thermiques sont ainsi limitées d'autant que la conduction thermique entre les parois du réservoir 2 et le rouleau 15 est amélioré significativement par l'intermédiaire des ponts thermiques que constituent les tourillons 17 lesquels outre leur fonction de support mécanique assument donc également une fonction de conducteur thermique. L'optimisation de la température d'application de la cire nécessite cependant de ne pas risquer de brûler la peau de l'utilisatrice, et en même temps d'éviter le phénomène d'apparition du filage de la cire. La présence de la couche d'application 18 en matériau plastique évite les brûlures de la peau. A cette fin il s'avère intéressant de respecter des rapports spécifiques d'épaisseur entre l'épaisseur 'e' de la couche d'application 18 et l'épaisseur ou le rayon 'R' du noyau 16. Il s'est avéré qu'un rapport e/R compris entre 0,3 et 0,5, et de préférence sensiblement égal à 0,4 donnait satisfaction sur la base d'un échantillon représentatif des différentes cires à épiler disponibles.The production of a bi-material applicator roller 15, and having a core 16 made from a good material heat conductor avoids too strong heat loss of the wax during the operation application, by storing part of the energy temperature of the liquid wax in the core 16. The losses are thus limited as much as the conduction between the walls of the tank 2 and the roller 15 is significantly improved through bridges thermal that constitute the pins 17 which besides their mechanical support function therefore also assume a thermal conductor function. Optimization of the wax application temperature, however, requires do not risk burning the user's skin, and at the same time time to avoid the appearance of wax spinning. The presence of the application layer 18 made of material plastic prevents skin burns. To this end it is interesting to respect specific reports of thickness between the thickness 'e' of the application layer 18 and the thickness or radius 'R' of the core 16. It turned out that an e / R ratio between 0.3 and 0.5, and preferably substantially equal to 0.4 was satisfactory on the basis of a representative sample of the different depilatory waxes available.

L'applicateur conforme à l'invention comporte avantageusement un cache-tête 12 destiné à venir s'appliquer sur la tête 11 et à prolonger le boítier 1. Une coiffe de fermeture 13, amovible est rapportée sur toute la partie supérieure de l'applicateur.The applicator according to the invention comprises advantageously a head cover 12 intended to be applied on the head 11 and to extend the housing 1. A cap of closure 13, removable is attached over the entire part upper part of the applicator.

La mise en place ou l'extraction du rouleau applicateur 15 peut bien évidemment être obtenue par préhension directe du rouleau 15, mais cette opération est avantageusement réalisée à l'aide d'une pince d'extraction 30 (Figure 3). Cette dernière comporte deux bras 31 sensiblement parallèles reliés entre eux par un système d'ouverture/fermeture 32 avantageusement constitué dans le cas présent par une demi-couronne 33 élastique. La contrainte élastique exercé par la demi-couronne 33 est telle que les bras 31 adoptent une position stable telle que montrée aux Figures 3 et 6 dans laquelle la distance entre chacun des bras est légèrement inférieure à la longueur du rouleau applicateur. Chaque bras 31 est pourvu sur chacun de ces faces internes et sensiblement vers une extrémité, d'un ergot de préhension 34, chaque ergot étant disposé en opposition. Les extrémités des bras 31 opposées aux ergots 34 comportent chacune un pied d'appui 35 conformé de manière à permettre à la pince 30 de reposer en équilibre stable sur lesdits pieds d'appui 35 (Figure 6).The roll in or out applicator 15 can obviously be obtained by direct gripping of the roller 15, but this operation is advantageously carried out using an extraction pliers 30 (Figure 3). The latter comprises two arms 31 substantially parallels linked together by a system opening / closing 32 advantageously constituted in the case present by an elastic half-crown 33. The constraint elastic exerted by the half-crown 33 is such that the arms 31 adopt a stable position as shown in Figures 3 and 6 in which the distance between each of the arms is slightly less than the length of the applicator roller. Each arm 31 is provided on each of these internal faces and substantially towards a end, of a gripping lug 34, each lug being arranged in opposition. The ends of the arms 31 opposite the lugs 34 have each a support leg 35 shaped so as to allow the clamp 30 to rest in stable equilibrium on said support feet 35 (Figure 6).

Les ergots de préhension 34 sont destinés à coopérer avec des sculptures de préhension 40 (Figure 4) ménagées sur et dans les parois latérales du rouleau 15. De manière avantageuse les sculptures de préhension sont constituées de lèvres circulaires formant sur-épaisseur par rapport à la surface des parois latérales du rouleau 15. Avantageusement les lèvres circulaires sont ménagées dans l'épaisseur de la couche d'application 18. A titre de variante les sculptures de préhension 40 peuvent être constituées de rainures ménagées dans la masse du noyau 16.The gripping lugs 34 are intended to cooperate with gripping sculptures 40 (Figure 4) made on and in the walls side of the roller 15. Advantageously the gripping sculptures consist of circular lips forming an extra thickness compared to the surface of the side walls of the roller 15. Advantageously the lips circular are formed in the thickness of the application layer 18. As alternatively the gripping sculptures 40 can be made of grooves in the core 16.

La pince d'extraction 30 comporte également au moins une et de préférence deux pièces d'appui 36 disposées entre les bras 31 et susceptibles de venir en contact avec la couche d'application 18, lorsque d'une part la pince d'extraction 30 est mise en place sur l'applicateur, et d'autre part les sculptures de préhension 40 coopèrent avec les ergots 34 (Figure 6). Dans l'exemple montré aux figures 3 et 6 les pièces d'appui 36 sont constituées par les extrémités de la demi-couronne circulaire élastique 33.The extraction clamp 30 also comprises at least one and preferably two support pieces 36 arranged between the arms 31 and susceptible to come into contact with the application layer 18, when on the one hand the clamp extraction 30 is placed on the applicator, and on the other hand the sculptures gripping 40 cooperate with the lugs 34 (Figure 6). In the example shown in Figures 3 and 6 the support pieces 36 are constituted by the ends of the elastic circular half-crown 33.

Les figures 7 et 8 montrent une variante de réalisation préférentielle de l'invention selon laquelle le rouleau applicateur 15 est monté déplaçable sur le boítier 1 et relativement à ce dernier entre une position de travail et d'application d'une pellicule de cire dans laquelle il s'étend dans l'orifice de sortie 11b du réservoir 2 et une position de dégagement dudit orifice pour permettre le remplissage du réservoir 2. Le rouleau applicateur 15 est solidaire d'un coulisseau 50 monté déplaçable par coulissement longitudinal selon l'axe x-x' sur le boítier 1 et de préférence sur la tête 11 formant la partie supérieure du boítier 1. Le coulisseau 50 comporte deux jambages 51 s'étendant sensiblement parallèlement, reliés rigidement en position d'opposition par une entretoise 52. Chaque jambage est pourvu à son extrémité supérieure de perçages 53 axialement alignés pour le support des tourillons 17 du rouleau applicateur 15. Le coulisseau 50 est destiné à être inséré dans le corps du boítier 1, les jambages 51 coulissant contre les faces internes de la tête 11 (Figure 8). Chaque jambage 51 comprend en partie centrale une languette de blocage 53 découpée dans l'épaisseur du jambage 51. Les languettes 53 se terminent à leur extrémité supérieure par un rebord 54 replié en direction de l'axe x-x', chaque rebord 54 étant destiné à venir engager, lorsque le coulisseau 50 est en position basse de travail, tel que montré à la figure 8, un pan incliné 55 ménagé à la partie inférieure de la tête 11 pour bloquer en position le coulisseau 50. Les languettes de blocage 53 possèdent une élasticité suffisante pour se déformer en direction de l'axe x-x' et permettre, par préhension du rouleau applicateur 15, l'effacement des rebords 54 hors des pans inclinés 55 et le coulissement selon la flèche F1 du coulisseau hors de l'orifice de sortie 11b jusqu'à sa position haute de dégagement. Avantageusement, le coulisseau 50 est pourvu, vers l'extrémité inférieure de chaque jambage 51, de butées externes 56 aptes à venir engager les pans inclinés 55 lorsque le coulisseau 50 est en position haute de dégagement pour s'opposer à son extraction totale. Un tel montage ne diminue pas la transmission de l'énergie thermique au noyau 16, car en position de travail, les tourillons 17 sont supportés par des colonnes 57 ménagées dans la tête 11.Figures 7 and 8 show an alternative embodiment of the invention according to which the applicator roller 15 is mounted movable on the housing 1 and relatively to the latter between a position of working and applying a film of wax in which it extends into the orifice outlet 11b from the reservoir 2 and a position for releasing said orifice for allow the reservoir 2 to be filled. The applicator roller 15 is integral a slide 50 mounted movable by longitudinal sliding along the axis x-x 'on the housing 1 and preferably on the head 11 forming the part upper of the housing 1. The slide 50 has two legs 51 extending substantially parallel, rigidly connected in opposite position by a spacer 52. Each leg is provided at its upper end axially aligned holes 53 for supporting the pins 17 of the roller applicator 15. The slide 50 is intended to be inserted into the body of the case 1, the legs 51 sliding against the internal faces of the head 11 (Figure 8). Each leg 51 comprises in the central part a tongue of blocking 53 cut in the thickness of the jamb 51. The tabs 53 are terminate at their upper end with a flange 54 folded in the direction of the axis x-x ', each flange 54 being intended to come to engage, when the slide 50 is in the low working position, as shown in FIG. 8, with an inclined face 55 provided at the bottom of the head 11 to lock the position in position slide 50. The locking tabs 53 have sufficient elasticity to deform in the direction of the axis x-x 'and allow, by gripping the applicator roller 15, the erasure of the edges 54 out of the inclined faces 55 and sliding along arrow F1 of the slide out of the outlet orifice 11b to its high release position. Advantageously, the slide 50 is provided, towards the lower end of each leg 51, with stops external 56 capable of engaging the inclined faces 55 when the slide 50 is in the high release position to oppose its total extraction. A such an arrangement does not reduce the transmission of thermal energy to the core 16, because in the working position, the pins 17 are supported by columns 57 in the head 11.

L'applicateur de produits thermofusibles conforme à l'invention fonctionne de la manière suivante.The applicator of hot-melt products according to the invention works as follows.

L'utilisatrice procède tout d'abord à l'extraction du rouleau applicateur 15 afin de dégager l'accès au réservoir 2 pour assurer son chargement en cire à épiler par l'ouverture supérieure 2b. Pour ce faire l'extraction peut avoir lieu manuellement ou à l'aide de la pince 30. Dans ce dernier cas l'utilisatrice saisit entre deux doigts les bras 31 et les écarte légèrement à l'encontre de la force de rappel exercée par la demi-couronne circulaire 33. La pince 30 est ensuite mise en place sur le rouleau applicateur 15 de manière que chaque bras 31 enserre les faces latérales du rouleau applicateur 15 (Figure 4). Chaque ergot 34 coopère ainsi avec la lèvre circulaire 40 qui lui est associée. Par relâchement de la pression sur les bras 31 ces derniers viennent alors enserrer solidement par l'intermédiaire de chaque ergot 34 les sculptures de préhension 40. L'utilisatrice peut faire glisser les tourillons 17 dans les fentes 20 et extraire le rouleau applicateur 15 en développant une force supérieure à l'élasticité des bras latéraux de l'agrafe 21. Après avoir procédé au remplissage du réservoir 2 le rouleau applicateur 15 est remis en place à l'aide des mêmes opérations que celles décrites précédemment, les pièces d'appui 36 permettant de transmettre aux tourillons 17 la force nécessaire pour écarter au niveau du rétrécissement 22 les bras latéraux de l'agrafe 21.The user first extracts the roll applicator 15 in order to clear access to reservoir 2 to ensure its loading with depilatory wax through the opening superior 2b. To do this, extraction can take place manually or using the pliers 30. In the latter case the user grasps the arms 31 and the deviates slightly against the restoring force exerted by the circular half-crown 33. The clamp 30 is then positioning on the applicator roller 15 so that each arm 31 encloses the lateral faces of the roller applicator 15 (Figure 4). Each lug 34 thus cooperates with the circular lip 40 associated therewith. By loosening pressure on the arms 31 these then come grip securely through each lug 34 the gripping sculptures 40. User can drag the pins 17 in the slots 20 and extract the roller applicator 15 by developing a force greater than the elasticity of the lateral arms of the clip 21. After having filling the reservoir 2 the applicator roller 15 is replaced using the same operations as those described above, the support pieces 36 making it possible to transmit to the trunnions 17 the force necessary to spread at the narrowing 22 the lateral arms of the clip 21.

Après branchement de l'applicateur sur une source d'alimentation électrique la cire devient progressivement liquide et l'utilisatrice peut alors mettre en contact le rouleau applicateur 15 sur la surface à épiler en vue de permettre l'écoulement de la cire sur la couche d'application 18. A la fin de l'application l'utilisatrice peut à nouveau, à des fins de nettoyage par exemple, extraire le rouleau applicateur 15 à l'aide de la pince 30 selon les étapes décrites précédemment. La recours à la pince d'extraction 30 évite d'avoir à saisir directement le rouleau applicateur 15 encore enduit d'une certaine quantité de cire à épiler, et permet également de poser sans risque de salissement pour le milieu environnant le rouleau 15 en faisant reposer la pince d'extraction 30 sur les pieds d'appui 35.After connecting the applicator to a source power supply the wax gradually becomes liquid and the user can then contact the applicator roller 15 on the surface to be depilated in order to allow the flow of wax on the application layer 18. At the end of the application the user can again, for cleaning purposes, for example, extract the roller applicator 15 using the pliers 30 according to the steps previously described. The use of extraction pliers 30 avoids having to directly grasp the applicator roller 15 still coated with a certain amount of depilatory wax, and also allows to pose without risk of soiling for the medium surrounding the roller 15 by resting the clamp extraction 30 on the support legs 35.

L'invention concerne également un ensemble applicateur de produit thermofusible comportant en combinaison à la fois un applicateur de produit thermofusible ainsi qu'une pince d'extraction 30. En outre l'ensemble applicateur peut comporter un socle (non représenté aux figures) pour le support et le rangement de l'applicateur ainsi que de la pince. Avantageusement le socle peut être pourvu d'un minuteur, en particulier sonore, permettant à l'utilisatrice après branchement de l'applicateur sur le secteur électrique, d'afficher le temps moyen nécessaire pour la fonte de la cire solide.The invention also relates to an assembly applicator of hot-melt product comprising in combination both a hot melt applicator and a extraction pliers 30. In addition, the applicator assembly can have a base (not shown in the figures) for the support and storage of the applicator and the pliers. Advantageously, the base can be provided with a timer, in particular audible, allowing the user after connecting the applicator to the electrical sector, display the average time required for the wax to melt solid.

A titre de variante il est envisageable de ne pas réaliser la pince d'extraction 30 en tant qu'élément séparé de l'applicateur tel que montré à la Figure 3, mais au contraire d'intégrer la pince d'extraction 30 dans un capuchon 45 de fermeture de la tête de l'applicateur (Figure 5). Dans cette variante la pince d'extraction 30 est solidaire du capuchon 45 et est pourvue sur ses bras latéraux de poussoirs 46 passant à travers le capuchon 45 par l'intermédiaire d'ouvertures de manière à être actionnées par l'utilisatrice. Les poussoirs 46 permettent lorsque l'on veut extraire le rouleau applicateur de mettre en mouvement les ergots 34 pour permettre leur engagement avec les sculptures de préhension 40. L'amovibilité du rouleau applicateur 15 est alors obtenue par extraction simultanée du capuchon 45 et du rouleau applicateur 15. L'extraction du capuchon 45 peut être obtenue sans extraction du rouleau applicateur 15 en omettant de mettre en action les poussoirs 46.As a variant, it is possible not to make extraction clamp 30 as a separate element of the applicator as shown in Figure 3, but at contrary to integrating the extraction clamp 30 into a cap 45 for closing the applicator head (Figure 5). In this variant the extraction clamp 30 is integral with the cap 45 and is provided on its lateral arms with pushers 46 passing through the cap 45 via openings so as to be operated by the user. The pushers 46 allow when one wants to extract the applicator roller to set the lugs 34 in motion allow their engagement with the gripping sculptures 40. The removability of the applicator roller 15 is then obtained by simultaneous extraction of the cap 45 and the roller applicator 15. Extraction of the cap 45 can be obtained without extracting the applicator roller 15, omitting activate the pushers 46.

Claims (13)

  1. An applicator for applying heat-fusible substances, in particular depilatory wax, said applicator comprising a housing (1) forming grasping means, a reservoir (2) for the substance to be applied, which reservoir is thermally connected to heater means (4), and a head (11) constituted by at least one applicator roller (15) disposed in the vicinity of an outlet orifice of the reservoir (2), said roller including a core (16) surrounded by an applicator layer (18) of a plastics material, said applicator being characterized in that:
    the reservoir (2) is made of a material that is a good conductor of heat, and is preferably made of aluminium;
    said core (16) is made of a material that is a good conductor of heat; and
    said core (16) is solid, and both of its ends are provided with thermal bridges providing heat conduction between the roller (15) and the reservoir (2).
  2. An applicator according to claim 1, characterized in that the thermal bridges are constituted by stub axles (17).
  3. An applicator according to claim 2, characterized in that said stub axles (17) are shaped from the mass proper of the core (16), and they form the pins on which the roller (15) rotates.
  4. An applicator according to any one of claims 1 to 3, characterized in that the applicator layer (18) has a given thickness e and the core (16) has a radius R, the ratio e/R lying in the range 0.3 to 0.5, and preferably substantially equal to 0.4.
  5. An applicator according to any one of claims 1 to 4, characterized in that the applicator roller (15) is removably mounted on the reservoir (2).
  6. An applicator according to claim 5, characterized in that the top portion of the reservoir (2) is provided with two slots (20) open at their top ends, disposed facing each other on the faces of the housing (1), and on the bottoms of which respective ones of the stub axles (17) rest, each slot (20) being associated with locking means for locking the stub axles (17) in position, said means being suitable for moving out of the way so to make the roller (15) removable.
  7. An applicator according to claim 6, characterized in that each locking means is constituted by a U-shaped clip (21) mounted in fixed manner against each slot (20) and in the same direction, each clip (21) having side arms forming a neck (22) between them so as to lock the stub axles (17) at the bottom of each slot (20), the side arms further being resilient enough to be deformed and to enable the stub axles (17) to pass through the necks (22).
  8. An applicator according to claim 6 or 7, characterized in that the slots (20) are provided in a separate head (11) forming the top portion of the reservoir (2) and defining the outlet orifice of the reservoir (2).
  9. An applicator according to any one of claims 1 to 5, characterized in that the applicator roller (15) is mounted on the housing (1) to be displaceable between a working position in the outlet orifice (11b) of the reservoir (2), and a disengagement position in which said orifice is unobstructed to enable said reservoir (2) to be filled.
  10. An applicator according to claim 9, characterized in that the applicator roller (15) is secured to a slider (50) mounted to be displaceable by sliding longitudinally on the housing (1), and preferably on the top portion of the reservoir (2).
  11. An applicator according to any one of claims 1 to 10, characterized in that the applicator roller (15) is provided with grasping latches (40) on both of its ends, enabling it to be removable.
  12. An applicator according to claim 11, characterized in that the grasping latches (40) are constituted by circular lips forming surplus thicknesses on the ends of the roller (15).
  13. An applicator according to claim 12, characterized in that the circular lips are provided in the thickness e of the applicator layer (18).
EP94420171A 1993-06-14 1994-06-14 Applicator for hot-melt products, in particular depilatory wax, with a roller made of two materials Expired - Lifetime EP0629366B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97105500A EP0784948B1 (en) 1993-06-14 1994-06-14 Depilatory wax applicator with a retractable roller

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9307341 1993-06-14
FR9307341A FR2706261B1 (en) 1993-06-14 1993-06-14 Applicator for hot-melt products, in particular depilatory wax, comprising a bi-material application roller.

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP97105500A Division EP0784948B1 (en) 1993-06-14 1994-06-14 Depilatory wax applicator with a retractable roller

Publications (2)

Publication Number Publication Date
EP0629366A1 EP0629366A1 (en) 1994-12-21
EP0629366B1 true EP0629366B1 (en) 1998-01-21

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP94420171A Expired - Lifetime EP0629366B1 (en) 1993-06-14 1994-06-14 Applicator for hot-melt products, in particular depilatory wax, with a roller made of two materials
EP97105500A Expired - Lifetime EP0784948B1 (en) 1993-06-14 1994-06-14 Depilatory wax applicator with a retractable roller

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97105500A Expired - Lifetime EP0784948B1 (en) 1993-06-14 1994-06-14 Depilatory wax applicator with a retractable roller

Country Status (6)

Country Link
US (3) US5556468A (en)
EP (2) EP0629366B1 (en)
DE (2) DE69431674T2 (en)
ES (2) ES2187693T3 (en)
FR (1) FR2706261B1 (en)
HK (1) HK1004322A1 (en)

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Also Published As

Publication number Publication date
DE69408037T2 (en) 1998-06-04
US5846326A (en) 1998-12-08
DE69431674D1 (en) 2002-12-12
EP0629366A1 (en) 1994-12-21
US5556468A (en) 1996-09-17
EP0784948B1 (en) 2002-11-06
ES2187693T3 (en) 2003-06-16
HK1004322A1 (en) 1998-11-20
EP0784948A2 (en) 1997-07-23
FR2706261B1 (en) 1995-09-01
ES2112500T3 (en) 1998-04-01
US5681388A (en) 1997-10-28
EP0784948A3 (en) 1999-08-11
FR2706261A1 (en) 1994-12-23
DE69431674T2 (en) 2003-09-18
DE69408037D1 (en) 1998-02-26

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