WO2019086817A1 - Brush for a fluid or viscous cosmetic product - Google Patents

Brush for a fluid or viscous cosmetic product Download PDF

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Publication number
WO2019086817A1
WO2019086817A1 PCT/FR2018/052718 FR2018052718W WO2019086817A1 WO 2019086817 A1 WO2019086817 A1 WO 2019086817A1 FR 2018052718 W FR2018052718 W FR 2018052718W WO 2019086817 A1 WO2019086817 A1 WO 2019086817A1
Authority
WO
WIPO (PCT)
Prior art keywords
finger
receiving surface
cosmetic product
bristles
applicator
Prior art date
Application number
PCT/FR2018/052718
Other languages
French (fr)
Inventor
Justine RECHENMANN
Original Assignee
Cosmogen Sas
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 Cosmogen Sas filed Critical Cosmogen Sas
Priority to CN201880071346.7A priority Critical patent/CN111315256A/en
Publication of WO2019086817A1 publication Critical patent/WO2019086817A1/en

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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
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone

Definitions

  • the present invention relates to the field of the cosmetic industry and relates more specifically to a cosmetic product applicator of the brush type.
  • cosmetic product any substance or preparation referred to in Article L658-1 of the Public Health Code, that is to say in particular a substance or a preparation intended to be placed in contact with the various superficial parts of the human body for the purpose of cleaning them, protecting them, keeping them in good condition, modifying their appearance, perfuming them or correcting their odor.
  • brushes for applying a cosmetic product to a target surface such as the face, hair, nails, or body.
  • These brushes typically comprise a tuft of bristles each having a free end, the free ends of the bristles forming an application surface.
  • Disadvantages of brushes known in the state of the prior art concern the maintenance and distribution of the cosmetic product on the application surface.
  • a fluid cosmetic product such as a liquid foundation tends to flow within the tuft of hair resulting in a waste of cosmetic product and limits the effectiveness of its application on the target surface.
  • the present invention aims in particular to overcome the aforementioned drawbacks and proposes for this purpose a cosmetic product applicator comprising a tuft of bristles each having a free end, the free ends of the bristles forming an application surface for applying of the cosmetic product on a target surface.
  • the hairs can be synthetic or natural.
  • the target surface may consist of any superficial part of a human body such as the face, the hair or the nails.
  • the applicator according to the invention is characterized in that the application surface is concave and in that it further comprises a finger extending through the tuft of bristles.
  • This finger has a cosmetic product receiving surface.
  • the receiving surface communicates with the application surface so that fluid cosmetic product received on the receiving surface can flow from the receiving surface to the application surface.
  • fluid cosmetic product a cosmetic product capable of flow.
  • This cosmetic product can therefore be liquid or may have a higher viscosity than a liquid.
  • the product cosmetic may be a gel, a cream, an oil, a serum, or an aqueous or liquid solution.
  • Such an applicator makes it possible to deposit a fluid cosmetic product on the receiving surface and then to effectively pour this product onto the application surface.
  • the applicator can be positioned so that the receiving surface is horizontal when the product is deposited on this surface. The applicator can then be moved to tilt the receiving surface relative to the horizontal, thereby causing the product to flow from the receiving surface to the application surface.
  • the concave shape of the application surface optimizes both the distribution of the cosmetic product on this application surface, as well as the application of the cosmetic product to the target surface.
  • the combination of the concave shape of the application surface and the respective arrangement of the receiving and application surfaces limits the flow of the cosmetic product into the tuft of hair and improves the distribution and maintenance of the cosmetic product. on the application surface when using the applicator.
  • the finger may comprise a material arranged to maintain a fluid cosmetic product on the receiving surface.
  • This material does not need to be totally impermeable but it should be chosen to limit or prevent the penetration of a fluid cosmetic product into the finger, especially through its receiving surface.
  • This material may comprise or consist of silicone and / or a thermoplastic elastomer and / or a closed cell foam and / or a gel and / or a vegetable or synthetic sponge and / or rubber.
  • a finger comprising such a material consequently improves the maintenance of the cosmetic product on the receiving surface, which makes it possible, for example, to temporarily store the cosmetic product on this surface before its distribution on the application surface.
  • Hygiene is also improved since it avoids or limits the penetration of the cosmetic product in the finger.
  • the entire finger can be made in one of the materials listed above.
  • a portion of the finger, including the receiving surface may be made of one of these materials while another portion of the finger may be made of another of these materials or any other material.
  • the finger receiving surface may be set back from the application surface to form a receptacle.
  • the receiving surface of the finger and the bristles adjacent to the finger can form a receptacle, said receiving surface constituting a bottom of this receptacle, said adjacent bristles constituting side walls of this receptacle.
  • Such a receptacle makes it possible to increase the quantity of product that is receivable on the receiving surface before its distribution on the application surface.
  • the applicator may comprise a handle and a holding member arranged to secure the handle with the tuft of hair and the finger.
  • the holding member may preferably comprise a ferrule.
  • the tuft of hair can then be sandwiched between the ferrule and the finger.
  • Figure 1 is a schematic perspective view of an applicator according to the invention
  • Figure 2 is a schematic front view of the applicator of Figure 1;
  • Figure 3 is a schematic side sectional view of the applicator of Figure 1;
  • FIG. 4 is a schematic side view of the applicator of FIG.
  • Figures 1 to 4 show a cosmetic product applicator according to one embodiment of the invention.
  • the applicator comprises a tuft of bristles 1 and a finger 2.
  • the tuft of bristles 1 is in this example sandwiched between a ferrule 3 and the finger 2.
  • the shell 3 constitutes a holding member arranged to secure the tuft of bristles 1 and the finger 2 with a handle 4.
  • the tuft of bristles 1 and the finger 2 can be connected to a handle handle so that the applicator is a kabuki.
  • the bristles 1 of the tuft are each endowed with a free end.
  • the free end of the bristles 1 is located towards the top of the applicator.
  • the free ends of the bristles 1 form an application surface SI for applying cosmetic product to a target surface (not shown).
  • the application surface SI is concave.
  • the finger 2 extends through the tuft of bristles 2.
  • the finger 2 has a receiving surface S2 of cosmetic product.
  • the receiving surface S2 of the finger 2 communicates with the application surface S1 so that fluid cosmetic product received on the receiving surface S2 can flow from the receiving surface S2 to the application surface S1.
  • the applicator can preferably be positioned so that this receiving surface S2 is horizontal or substantially horizontal.
  • the flow of the cosmetic product from the receiving surface S2 to the application surface S1 can then be obtained by moving the applicator so as to incline the receiving surface S2 with respect to the horizontal.
  • the receiving surface S2 of the finger 2 and the application surface SI of the tuft of bristles 1 form a common surface.
  • the finger 2 can be arranged so that its receiving surface SI is flush with the application surface SI of the tuft of bristles 2 (not shown).
  • the receiving surface S 2 is set back from the application surface S 1 so as to constitute a receptacle, which makes it possible to increase the quantity of receivable product on the receiving surface S2.
  • this receptacle comprises, on the one hand, a bottom consisting of the receiving surface S 2 of the finger 2 and, on the other hand, lateral walls constituted by bristles 1 adjacent to the finger 2.
  • the receiving surface S2 is parallel or substantially parallel to the path defined by a portion of the application surface S1 located in the section plane of FIG. 3.
  • This portion of the application surface S1 located in the cutting plane of FIG. 3 corresponds in this example to a point of inflection of the concave application surface SI, which makes it possible to optimize the distribution of the cosmetic product on the application surface S1 when the product is flows from the receiving surface S2 to the application surface SI.
  • the receiving surface S2 and the application surface SI may have different geometries. The invention however requires that these surfaces communicate with each other so that a fluid cosmetic product received on the receiving surface S2 can flow from the receiving surface S2 to the application surface S1.
  • the concave shape of the tuft of bristles 1 is decisive for improving, in relation to the state of the prior art, the distribution and maintenance of the cosmetic product on the application surface SI during use. of this applicator.
  • the bristles 1 may be synthetic or natural and it is preferred that the finger 2 comprises a material arranged to maintain on the receiving surface a fluid cosmetic product, that is to say at least for a period of time. a few seconds which corresponds to the typical time between the deposition of the cosmetic product on the receiving surface S2, its flow on the application surface SI and its application on the target surface.
  • the material of the finger 2 need not be totally impervious but it should be chosen to limit or prevent the penetration of a fluid cosmetic product into the finger 2, in particular through its receiving surface S2, at least for a period of time. such a duration.
  • the finger 2 and in particular at least a portion of the finger 2 comprising the receiving surface S2, with silicone, a thermoplastic elastomer, a closed-cell foam, a gel, a vegetable or synthetic sponge, or rubber.
  • the finger 2 and the tuft of bristles 1 can be glued in the holding member 3 ( Figure 3);
  • the finger 2 and the tuft of bristles 1 can be assembled using an insert (not shown), for example plastic, the assembly constituted by this insert, the finger 2 and the tuft of bristles 1 can then be glued in the holding member 3 (not shown);
  • an insert for example plastic
  • the assembly constituted by this insert, the finger 2 and the tuft of bristles 1 can then be glued in the holding member 3 (not shown);
  • the bristles 2 can be glued together at their end opposite their free end, the tuft of bristles 1 can then be pierced at the end glued so as to insert the finger 2 in the tuft of bristles 1, and then all constituted by the tuft of bristles 1 and the finger 2 thus inserted can be glued into the holding member 3.
  • the finger 2 may be positioned in the center of the tuft of bristles 1 and / or the receiving surface SI may have a semi-spherical shape (not shown).

Abstract

The present invention relates to a cosmetic brush applicator. The applicator comprises: a tuft of bristles (1) forming a concave application surface (SI), and a finger (2) having a receiving surface (S2) which communicates with the application surface (SI) such that fluid cosmetic product received on the receiving surface (S2) can flow from the receiving surface (S2) to the application surface (SI).

Description

Pinceau pour produit cosmétique fluide ou visqueux  Brush for a fluid or viscous cosmetic product
La présente invention se rapporte au domaine de l'industrie cosmétique et concerne plus spécifiquement un applicateur de produit cosmétique du type pinceau. The present invention relates to the field of the cosmetic industry and relates more specifically to a cosmetic product applicator of the brush type.
Par l'expression « produit cosmétique », on entend toute substance ou préparation visée à l'article L658-1 du Code de la santé publique, c'est-à-dire notamment une substance ou une préparation destinée à être mise en contact avec les diverses parties superficielles du corps humain en vue de les nettoyer, les protéger, les maintenir en bon état, d'en modifier l'aspect, de les parfumer ou d'en corriger l'odeur.  By the term "cosmetic product" is meant any substance or preparation referred to in Article L658-1 of the Public Health Code, that is to say in particular a substance or a preparation intended to be placed in contact with the various superficial parts of the human body for the purpose of cleaning them, protecting them, keeping them in good condition, modifying their appearance, perfuming them or correcting their odor.
On connaît dans l'état de la technique antérieure de ce domaine des pinceaux permettant d'appliquer un produit cosmétique sur une surface cible telle que le visage, les cheveux, les ongles, ou le corps. Ces pinceaux comprennent typiquement une touffe de poils dotés chacun d'une extrémité libre, les extrémités libres des poils formant une surface d'application.  In the prior art of this field are known brushes for applying a cosmetic product to a target surface such as the face, hair, nails, or body. These brushes typically comprise a tuft of bristles each having a free end, the free ends of the bristles forming an application surface.
Des inconvénients des pinceaux connus dans l'état de la technique antérieure concernent le maintien et la répartition du produit cosmétique sur la surface d'application. En particulier, un produit cosmétique fluide tel qu'un fond de teint liquide a tendance à s'écouler au sein de la touffe de poils ce qui entraîne un gaspillage de produit cosmétique et limite l'efficacité de son application sur la surface cible.  Disadvantages of brushes known in the state of the prior art concern the maintenance and distribution of the cosmetic product on the application surface. In particular, a fluid cosmetic product such as a liquid foundation tends to flow within the tuft of hair resulting in a waste of cosmetic product and limits the effectiveness of its application on the target surface.
La présente invention a notamment pour but de surmonter les inconvénients précités et propose à cet effet un applicateur de produit cosmétique comprenant une touffe de poils dotés chacun d'une extrémité libre, les extrémités libres des poils formant une surface d'application permettant d'appliquer du produit cosmétique sur une surface cible. Les poils peuvent être synthétiques ou naturels. La surface cible peut consister en toute partie superficielle d'un corps humain telle que le visage, les cheveux ou encore les ongles.  The present invention aims in particular to overcome the aforementioned drawbacks and proposes for this purpose a cosmetic product applicator comprising a tuft of bristles each having a free end, the free ends of the bristles forming an application surface for applying of the cosmetic product on a target surface. The hairs can be synthetic or natural. The target surface may consist of any superficial part of a human body such as the face, the hair or the nails.
L'applicateur selon l'invention est caractérisé en ce que la surface d'application est concave et en ce qu'il comprend en outre un doigt s'étendant à travers la touffe de poils. Ce doigt présente une surface de réception de produit cosmétique. La surface de réception communique avec la surface d'application de sorte que du produit cosmétique fluide reçu sur la surface de réception puisse s'écouler de la surface de réception à la surface d'application.  The applicator according to the invention is characterized in that the application surface is concave and in that it further comprises a finger extending through the tuft of bristles. This finger has a cosmetic product receiving surface. The receiving surface communicates with the application surface so that fluid cosmetic product received on the receiving surface can flow from the receiving surface to the application surface.
Par l'expression « produit cosmétique fluide », on entend un produit cosmétique susceptible d'écoulement. Ce produit cosmétique peut donc être liquide ou peut présenter une viscosité plus importante qu'un liquide. Par exemple, le produit cosmétique peut être un gel, une crème, une huile, un sérum, ou encore une solution aqueuse ou liquide. By the term "fluid cosmetic product" is meant a cosmetic product capable of flow. This cosmetic product can therefore be liquid or may have a higher viscosity than a liquid. For example, the product cosmetic may be a gel, a cream, an oil, a serum, or an aqueous or liquid solution.
Un tel applicateur permet de déposer du produit cosmétique fluide sur la surface de réception puis de faire couler efficacement ce produit sur la surface d'application. Par exemple, on peut positionner l'applicateur de sorte que la surface de réception soit horizontale lors du dépôt du produit sur cette surface. On peut ensuite déplacer l'applicateur de manière à incliner la surface de réception par rapport à l'horizontale, entraînant ainsi un écoulement du produit depuis la surface de réception jusqu'à la surface d'application.  Such an applicator makes it possible to deposit a fluid cosmetic product on the receiving surface and then to effectively pour this product onto the application surface. For example, the applicator can be positioned so that the receiving surface is horizontal when the product is deposited on this surface. The applicator can then be moved to tilt the receiving surface relative to the horizontal, thereby causing the product to flow from the receiving surface to the application surface.
La forme concave de la surface d'application optimise à la fois la répartition du produit cosmétique sur cette surface d'application, ainsi que l'application du produit cosmétique sur la surface cible.  The concave shape of the application surface optimizes both the distribution of the cosmetic product on this application surface, as well as the application of the cosmetic product to the target surface.
La combinaison de la forme concave de la surface d'application et de l'agencement respectif des surfaces de réception et d'application limite le phénomène d'écoulement du produit cosmétique dans la touffe de poils et améliore la répartition et le maintien du produit cosmétique sur la surface d'application lors de l'utilisation de l'applicateur.  The combination of the concave shape of the application surface and the respective arrangement of the receiving and application surfaces limits the flow of the cosmetic product into the tuft of hair and improves the distribution and maintenance of the cosmetic product. on the application surface when using the applicator.
De préférence, le doigt peut comprendre un matériau agencé pour maintenir sur la surface de réception un produit cosmétique fluide.  Preferably, the finger may comprise a material arranged to maintain a fluid cosmetic product on the receiving surface.
Ce matériau n'a pas besoin d'être totalement imperméable mais il devrait être choisi pour limiter ou empêcher la pénétration d'un produit cosmétique fluide dans le doigt, en particulier à travers sa surface de réception.  This material does not need to be totally impermeable but it should be chosen to limit or prevent the penetration of a fluid cosmetic product into the finger, especially through its receiving surface.
Ce matériau peut comprendre ou consister en du silicone et/ou un élastomère thermoplastique et/ou une mousse à cellules fermées et/ou un gel et/ou une éponge végétale ou synthétique et/ou du caoutchouc.  This material may comprise or consist of silicone and / or a thermoplastic elastomer and / or a closed cell foam and / or a gel and / or a vegetable or synthetic sponge and / or rubber.
Un doigt comprenant un tel matériau améliore par conséquent le maintien du produit cosmétique sur la surface de réception, ce qui permet par exemple de stocker temporairement le produit cosmétique sur cette surface avant sa répartition sur la surface d'application. L'hygiène en est aussi améliorée puisqu'on évite ou limite ainsi la pénétration du produit cosmétique dans le doigt.  A finger comprising such a material consequently improves the maintenance of the cosmetic product on the receiving surface, which makes it possible, for example, to temporarily store the cosmetic product on this surface before its distribution on the application surface. Hygiene is also improved since it avoids or limits the penetration of the cosmetic product in the finger.
De préférence, l'intégralité du doigt peut être réalisée dans l'un des matériaux listés ci-dessus. Alternativement, une partie du doigt, incluant la surface de réception, peut être réalisée dans l'un de ces matériaux tandis qu'une autre partie du doigt peut être réalisée dans un autre de ces matériaux ou dans tout autre matériau. Dans un mode de réalisation, la surface de réception du doigt peut être placée en retrait de la surface d'application de manière à constituer un réceptacle. Autrement dit, la surface de réception du doigt et des poils adjacents au doigt peuvent former un réceptacle, ladite surface de réception constituant un fond de ce réceptacle, lesdits poils adjacents constituant des parois latérales de ce réceptacle. Preferably, the entire finger can be made in one of the materials listed above. Alternatively, a portion of the finger, including the receiving surface, may be made of one of these materials while another portion of the finger may be made of another of these materials or any other material. In one embodiment, the finger receiving surface may be set back from the application surface to form a receptacle. In other words, the receiving surface of the finger and the bristles adjacent to the finger can form a receptacle, said receiving surface constituting a bottom of this receptacle, said adjacent bristles constituting side walls of this receptacle.
Un tel réceptacle permet d'augmenter la quantité de produit recevable sur la surface de réception avant sa répartition sur la surface d'application.  Such a receptacle makes it possible to increase the quantity of product that is receivable on the receiving surface before its distribution on the application surface.
Dans un mode de réalisation, l'applicateur peut comprendre un manche de préhension et un organe de maintien agencé pour solidariser le manche avec la touffe de poils et le doigt.  In one embodiment, the applicator may comprise a handle and a holding member arranged to secure the handle with the tuft of hair and the finger.
Dans ce dernier mode de réalisation, l'organe de maintien peut de préférence comprendre une virole. La touffe de poils peut alors être enserrée entre la virole et le doigt.  In this latter embodiment, the holding member may preferably comprise a ferrule. The tuft of hair can then be sandwiched between the ferrule and the finger.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description nullement limitative qui suit et des figures annexées, dans lesquelles :  Other features and advantages of the invention will appear on reading the following non-limiting description and the appended figures, in which:
La figure 1 est une vue schématique en perspective d'un applicateur selon l'invention ;  Figure 1 is a schematic perspective view of an applicator according to the invention;
La figure 2 est une vue schématique de devant de l'applicateur de la figure 1 ; La figure 3 est une vue schématique en coupe de côté de l'applicateur de la figure 1 ;  Figure 2 is a schematic front view of the applicator of Figure 1; Figure 3 is a schematic side sectional view of the applicator of Figure 1;
La figure 4 est une vue schématique de côté de l'applicateur de la figure 1. FIG. 4 is a schematic side view of the applicator of FIG.
Les éléments identiques ou similaires sont repérés par des signes de référence identiques sur l'ensemble des figures. Identical or similar elements are identified by identical reference signs throughout the figures.
Les figures 1 à 4 montrent un applicateur de produit cosmétique selon un mode de réalisation de l'invention.  Figures 1 to 4 show a cosmetic product applicator according to one embodiment of the invention.
Dans la description qui suit, en référence au repère X-Y-Z des figures 1 à 4, on définit :  In the following description, with reference to the X-Y-Z mark of FIGS. 1 to 4, we define:
le haut de l'applicateur comme la partie de l'applicateur située suivant la direction Y vers le haut des figures ;  the top of the applicator as the portion of the applicator located in the Y direction upwards of the figures;
- le bas de l'applicateur comme la partie de l'applicateur située suivant la direction Y vers le bas des figures ;  the bottom of the applicator as the portion of the applicator located in the Y direction towards the bottom of the figures;
l'avant de l'applicateur comme la partie de l'applicateur située suivant la direction X vers la droite de la figure 4 ;  the front of the applicator as the portion of the applicator located in the direction X to the right of Figure 4;
l'arrière de l'applicateur comme la partie de l'applicateur située suivant la direction X vers la gauche de la figure 4 ; la droite de l'applicateur la partie de l'applicateur située suivant la direction Z vers la droite de la figure 2 ; the back of the applicator as the portion of the applicator located in the direction X to the left of Figure 4; the right of the applicator the part of the applicator located in the direction Z to the right of Figure 2;
la gauche de l'applicateur la partie de l'applicateur située suivant la direction Z vers la gauche de la figure 2.  the left of the applicator the part of the applicator located in direction Z towards the left of FIG.
L'applicateur comprend une touffe de poils 1 et un doigt 2.  The applicator comprises a tuft of bristles 1 and a finger 2.
En référence à la figure 3, la touffe de poils 1 est dans cet exemple enserrée entre une virole 3 et le doigt 2.  Referring to Figure 3, the tuft of bristles 1 is in this example sandwiched between a ferrule 3 and the finger 2.
Dans cet exemple, la virole 3 constitue un organe de maintien agencé pour solidariser la touffe de poils 1 et le doigt 2 avec un manche de préhension 4.  In this example, the shell 3 constitutes a holding member arranged to secure the tuft of bristles 1 and the finger 2 with a handle 4.
Dans un mode de réalisation non représenté, la touffe de poils 1 et le doigt 2 peuvent être reliés à un manche de préhension de sorte que l'applicateur constitue un kabuki.  In an embodiment not shown, the tuft of bristles 1 and the finger 2 can be connected to a handle handle so that the applicator is a kabuki.
Les poils 1 de la touffe sont chacun dotés d'une extrémité libre. Dans les figures 1 à 4, l'extrémité libre des poils 1 est située vers le haut de l'applicateur.  The bristles 1 of the tuft are each endowed with a free end. In Figures 1 to 4, the free end of the bristles 1 is located towards the top of the applicator.
Les extrémités libres des poils 1 forment une surface d'application SI permettant d'appliquer du produit cosmétique sur une surface cible (non représentée).  The free ends of the bristles 1 form an application surface SI for applying cosmetic product to a target surface (not shown).
Comme cela ressort des figures 1 à 3, la surface d'application SI est concave. As is apparent from Figures 1 to 3, the application surface SI is concave.
En référence à la figure 3, le doigt 2 s'étend à travers la touffe de poils 2. With reference to FIG. 3, the finger 2 extends through the tuft of bristles 2.
Le doigt 2 présente une surface de réception S2 de produit cosmétique.  The finger 2 has a receiving surface S2 of cosmetic product.
La surface de réception S2 du doigt 2 communique avec la surface d'application SI de sorte que du produit cosmétique fluide reçu sur la surface de réception S2 puisse s'écouler de la surface de réception S2 à la surface d'application SI.  The receiving surface S2 of the finger 2 communicates with the application surface S1 so that fluid cosmetic product received on the receiving surface S2 can flow from the receiving surface S2 to the application surface S1.
Pour ce faire, lors du dépôt du produit cosmétique sur la surface de réception S2, l'applicateur peut de préférence être positionné de sorte que cette surface de réception S2 soit horizontale ou sensiblement horizontale. L'écoulement du produit cosmétique de la surface de réception S2 à la surface d'application SI peut alors être obtenu par déplacement de l'applicateur de manière à incliner la surface de réception S2 par rapport à l'horizontale.  To do this, during the deposition of the cosmetic product on the receiving surface S2, the applicator can preferably be positioned so that this receiving surface S2 is horizontal or substantially horizontal. The flow of the cosmetic product from the receiving surface S2 to the application surface S1 can then be obtained by moving the applicator so as to incline the receiving surface S2 with respect to the horizontal.
Dans un mode de réalisation non représenté, la surface de réception S2 du doigt 2 et la surface d'application SI de la touffe de poils 1 forment une surface commune. Autrement dit, le doigt 2 peut être agencé de sorte que sa surface de réception SI affleure la surface d'application SI de la touffe de poils 2 (non représenté).  In an embodiment not shown, the receiving surface S2 of the finger 2 and the application surface SI of the tuft of bristles 1 form a common surface. In other words, the finger 2 can be arranged so that its receiving surface SI is flush with the application surface SI of the tuft of bristles 2 (not shown).
Dans l'exemple de l'applicateur des figures 1 à 4, la surface de réception S2 est placée en retrait de la surface d'application SI de manière à constituer un réceptacle, ce qui permet d'augmenter la quantité de produit recevable sur la surface de réception S2. In the example of the applicator of FIGS. 1 to 4, the receiving surface S 2 is set back from the application surface S 1 so as to constitute a receptacle, which makes it possible to increase the quantity of receivable product on the receiving surface S2.
Comme cela ressort des figures 1 à 3, ce réceptacle comprend, d'une part, un fond constitué par la surface de réception S2 du doigt 2 et, d'autre part, des parois latérales constituées par des poils 1 adjacents au doigt 2.  As is apparent from FIGS. 1 to 3, this receptacle comprises, on the one hand, a bottom consisting of the receiving surface S 2 of the finger 2 and, on the other hand, lateral walls constituted by bristles 1 adjacent to the finger 2.
Dans cet exemple, la surface de réception S2 est parallèle ou sensiblement parallèle à la trajectoire définie par une portion de la surface d'application SI située dans le plan de coupe de la figure 3. Cette portion de la surface d'application SI située dans le plan de coupe de la figure 3 correspond dans cet exemple à un point d'inflexion de la surface d'application SI concave, ce qui permet d'optimiser la répartition du produit cosmétique sur la surface d'application SI lorsque le produit s'écoule de la surface de réception S2 à la surface d'application SI.  In this example, the receiving surface S2 is parallel or substantially parallel to the path defined by a portion of the application surface S1 located in the section plane of FIG. 3. This portion of the application surface S1 located in the cutting plane of FIG. 3 corresponds in this example to a point of inflection of the concave application surface SI, which makes it possible to optimize the distribution of the cosmetic product on the application surface S1 when the product is flows from the receiving surface S2 to the application surface SI.
Dans des modes de réalisation non représentés, la surface de réception S2 et la surface d'application SI peuvent présenter des géométries différentes. L'invention requiert toutefois que ces surfaces communiquent entre elles de sorte qu'un produit cosmétique fluide reçu sur la surface de réception S2 puisse s'écouler de la surface de réception S2 à la surface d'application SI.  In embodiments not shown, the receiving surface S2 and the application surface SI may have different geometries. The invention however requires that these surfaces communicate with each other so that a fluid cosmetic product received on the receiving surface S2 can flow from the receiving surface S2 to the application surface S1.
Il convient de préciser que la forme concave de la touffe de poils 1 est déterminante pour améliorer, par rapport à l'état de la technique antérieure, la répartition et le maintien du produit cosmétique sur la surface d'application SI lors de l'utilisation de cet applicateur.  It should be noted that the concave shape of the tuft of bristles 1 is decisive for improving, in relation to the state of the prior art, the distribution and maintenance of the cosmetic product on the application surface SI during use. of this applicator.
En termes de matériau, les poils 1 peuvent être synthétiques ou naturels et il est préféré que le doigt 2 comprenne un matériau agencé pour maintenir sur la surface de réception un produit cosmétique fluide, c'est-à-dire au moins pendant une durée de quelques secondes qui correspond à la durée typique entre le dépôt du produit cosmétique sur la surface de réception S2, son écoulement sur la surface d'application SI et son application sur la surface cible.  In terms of material, the bristles 1 may be synthetic or natural and it is preferred that the finger 2 comprises a material arranged to maintain on the receiving surface a fluid cosmetic product, that is to say at least for a period of time. a few seconds which corresponds to the typical time between the deposition of the cosmetic product on the receiving surface S2, its flow on the application surface SI and its application on the target surface.
Le matériau du doigt 2 n'a pas besoin d'être totalement imperméable mais il devrait être choisi pour limiter ou empêcher la pénétration d'un produit cosmétique fluide dans le doigt 2, en particulier à travers sa surface de réception S2, au moins pendant une telle durée.  The material of the finger 2 need not be totally impervious but it should be chosen to limit or prevent the penetration of a fluid cosmetic product into the finger 2, in particular through its receiving surface S2, at least for a period of time. such a duration.
On choisira de préférence de fabriquer le doigt 2, et en particulier au moins une partie du doigt 2 comprenant la surface de réception S2, avec du silicone, un élastomère thermoplastique, une mousse à cellules fermées, un gel, une éponge végétale ou synthétique, ou du caoutchouc.  It will preferably be chosen to manufacture the finger 2, and in particular at least a portion of the finger 2 comprising the receiving surface S2, with silicone, a thermoplastic elastomer, a closed-cell foam, a gel, a vegetable or synthetic sponge, or rubber.
Plusieurs techniques de fabrication d'un tel applicateur sont envisageables : le doigt 2 et la touffe de poils 1 peuvent être collés dans l'organe de maintien 3 (figure 3) ; Several techniques for manufacturing such an applicator are conceivable: the finger 2 and the tuft of bristles 1 can be glued in the holding member 3 (Figure 3);
le doigt 2 et la touffe de poils 1 peuvent être assemblés à l'aide d'un insert (non représenté), par exemple en plastique, l'ensemble constitué par cet insert, le doigt 2 et la touffe de poils 1 pouvant ensuite être collé dans l'organe de maintien 3 (non représenté) ;  the finger 2 and the tuft of bristles 1 can be assembled using an insert (not shown), for example plastic, the assembly constituted by this insert, the finger 2 and the tuft of bristles 1 can then be glued in the holding member 3 (not shown);
les poils 2 peuvent être collés ensemble en leur extrémité opposée à leur extrémité libre, la touffe de poils 1 peut ensuite être percée au niveau de l'extrémité collée de manière à insérer le doigt 2 dans la touffe de poils 1, puis l'ensemble constitué par la touffe de poils 1 et du doigt 2 ainsi inséré peut être collé dans l'organe de maintien 3.  the bristles 2 can be glued together at their end opposite their free end, the tuft of bristles 1 can then be pierced at the end glued so as to insert the finger 2 in the tuft of bristles 1, and then all constituted by the tuft of bristles 1 and the finger 2 thus inserted can be glued into the holding member 3.
Bien entendu, l'invention n'est pas limitée aux exemples qui viennent d'être décrits et de nombreux aménagements peuvent être apportés à ces exemples sans sortir du cadre de l'invention. Par exemple, le doigt 2 peut être positionné au centre de la touffe de poils 1 et/ou la surface de réception SI peut avoir une forme du type demi- sphérique (non représenté).  Of course, the invention is not limited to the examples which have just been described and many adjustments can be made to these examples without departing from the scope of the invention. For example, the finger 2 may be positioned in the center of the tuft of bristles 1 and / or the receiving surface SI may have a semi-spherical shape (not shown).

Claims

REVENDICATIONS
1. Applicateur de produit cosmétique comprenant une touffe de poils (1) dotés chacun d'une extrémité libre, les extrémités libres des poils (1) formant une surface d'application (SI) permettant d'appliquer du produit cosmétique sur une surface cible, caractérisé en ce que la surface d'application (SI) est concave et en ce qu'il comprend en outre un doigt (2) s'étendant à travers la touffe de poils (1) et présentant une surface de réception (S2) de produit cosmétique, la surface de réception (S2) communiquant avec la surface d'application (SI) de sorte que du produit cosmétique fluide reçu sur la surface de réception (S2) puisse s'écouler de la surface de réception (S2) à la surface d'application (SI). 1. Cosmetic product applicator comprising a tuft of bristles (1) each having a free end, the free ends of the bristles (1) forming an application surface (SI) for applying cosmetic product to a target surface characterized in that the application surface (S1) is concave and further comprises a finger (2) extending through the tuft of bristles (1) and having a receiving surface (S2) of cosmetic product, the receiving surface (S2) communicating with the application surface (SI) so that fluid cosmetic product received on the receiving surface (S2) can flow from the receiving surface (S2) to the application surface (SI).
2. Applicateur selon la revendication 1, dans lequel le doigt (2) comprend un matériau agencé pour maintenir sur la surface de réception (S2) un produit cosmétique fluide. 2. Applicator according to claim 1, wherein the finger (2) comprises a material arranged to maintain on the receiving surface (S2) a fluid cosmetic product.
3. Applicateur selon la revendication 1 ou 2, dans lequel le doigt (2) comprend du silicone et/ou un élastomère thermoplastique et/ou une mousse à cellules fermées et/ou un gel et/ou une éponge végétale ou synthétique et/ou du caoutchouc. An applicator according to claim 1 or 2, wherein the finger (2) comprises silicone and / or a thermoplastic elastomer and / or a closed cell foam and / or a gel and / or a vegetable or synthetic sponge and / or rubber.
4. Applicateur selon l'une quelconque des revendications 1 à 3, dans lequel la surface de réception (S2) du doigt (2) et des poils (1) adjacents au doigt (2) forment un réceptacle, ladite surface de réception (S2) constituant un fond de ce réceptacle, lesdits poils (1) adjacents constituant des parois latérales de ce réceptacle. 4. Applicator according to any one of claims 1 to 3, wherein the receiving surface (S2) of the finger (2) and the bristles (1) adjacent to the finger (2) form a receptacle, said receiving surface (S2 ) constituting a bottom of this receptacle, said adjacent bristles (1) forming side walls of this receptacle.
5. Applicateur selon l'une quelconque des revendications 1 à 5, comprenant un manche de préhension (4) et un organe de maintien (3) agencé pour solidariser le manche (4) avec la touffe de poils (1) et le doigt (2). 5. Applicator according to any one of claims 1 to 5, comprising a handle (4) and a holding member (3) arranged to secure the handle (4) with the tuft of bristles (1) and the finger ( 2).
6. Applicateur selon la revendication s, dans lequel l'organe de maintien (3) comprend une virole, la touffe de poils (1) étant enserrée entre la virole et le doigt (2). 6. Applicator according to claim s, wherein the holding member (3) comprises a ferrule, the tuft of bristles (1) being clamped between the ferrule and the finger (2).
PCT/FR2018/052718 2017-11-06 2018-11-05 Brush for a fluid or viscous cosmetic product WO2019086817A1 (en)

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CN201880071346.7A CN111315256A (en) 2017-11-06 2018-11-05 Brush-like element for fluid or viscous cosmetic products

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FR1760401 2017-11-06
FR1760401A FR3073132B1 (en) 2017-11-06 2017-11-06 BRUSH FOR FLUID OR VISCOUS COSMETICS

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FR3073132B1 (en) 2019-12-13
CN111315256A (en) 2020-06-19

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