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EP0792603B1 - Brush for applying cosmetics and in particular mascara - Google Patents

Brush for applying cosmetics and in particular mascara Download PDF

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Publication number
EP0792603B1
EP0792603B1 EP97400200A EP97400200A EP0792603B1 EP 0792603 B1 EP0792603 B1 EP 0792603B1 EP 97400200 A EP97400200 A EP 97400200A EP 97400200 A EP97400200 A EP 97400200A EP 0792603 B1 EP0792603 B1 EP 0792603B1
Authority
EP
European Patent Office
Prior art keywords
brush
brush according
cutback
bristles
axis
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
EP97400200A
Other languages
German (de)
French (fr)
Other versions
EP0792603B2 (en
EP0792603A1 (en
Inventor
Jean-Louis H. Gueret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP0792603A1 publication Critical patent/EP0792603A1/en
Publication of EP0792603B1 publication Critical patent/EP0792603B1/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
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
    • A45D40/267—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container comprising a wiper
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/18—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed on or between belts or wires
    • 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

Definitions

  • the invention relates to a brush for applying a cosmetic product to the keratin fibers, in particular for applying mascara to the eyelashes or a dye on the hair, as well as a makeup device comprising this brush.
  • the latter usually includes an elongated core formed by the helical winding of two branches of a metal wire, implanted hairs radially in said core and clamped between said coiled branches, the brush comprising at least one concave notch, which stores product spinning.
  • Document FR-A-2 605 505 shows a brush of this type which makes it possible to correctly take care of the product to be applied, which product is in a tank whose outlet, crossed by the brush, is provided with a member wringer intended to limit the load of product taken up by the bristles.
  • the edges or edges delimiting said notch are substantially straight.
  • a brush conforming to this prior art makes it possible to make relatively different make-ups depending on the areas of the brush and edges used and according to the movement imparted to the brush; for example, the user can get a relatively heavy makeup if she does not turn the brush on itself at the time of application but then the eyelashes do not are not perfectly separated.
  • the document FR-2715038 describes notched brushes allowing on the one hand, better distribute the product where desired and obtain variations important spin on the brush and give more ergonomics to the make-up and, on the other hand, to use only one type of wringer and only one stem diameter while having the possibility of varying the load on the eyelashes importantly, without fundamentally changing the elegance of the brush.
  • This result is obtained, on the one hand by the general shape of the brush which is a double trunk of coaxial cones, joined by their large base similarly diameter, on the other hand by the fact that the edges or edges limiting the notch are not straight.
  • the makeup obtained with this type of brush is characterized usually by a heavy load on the base of the lashes and a weak curling of the eyelashes.
  • the subject of the invention is a brush for applying a cosmetic product to keratin fibers, comprising an elongated core, implanted hairs radially in said core, the brush comprising at least one notch concave, of length ( ⁇ ) along a longer axis, the brush comprising larger bristles, contained in an envelope cylindrical with a central axis (I-I) and defining at least one crest area, characterized in that the width (l) of the notch varies from one end of the brush to the other and pass through a single maximum (L) between said ends.
  • the user has a brush with shorter bristles included in the notch, these hairs being more loaded with mascara.
  • the intersection of the cylindrical envelope with the notch defines a concave face, which conforms to the shape of all the eyelashes of an eyelid, unlike brushes of the prior art. So when the user applies the brush to the eyelashes at the level of the notch, it loads the base of the eyelashes with mascara over the entire width of the eyelid, then rotating the brush around its central axis she spreads the mascara along the entire length of each lash while painting and by separating the entire length of the eyelashes. Such a brush allows obtain a makeup that is both charged, regular, lengthening and curling.
  • This brush is entirely suitable for making up the eyelashes, so the invention has also relates to a makeup device comprising a reservoir for mascara and a mascara applicator characterized in that it comprises such a brush.
  • the core is formed by the helical winding of two branches of wire and the hairs are clamped between the coiled branches of the core.
  • the notch (s) are formed by mowing the brush.
  • the axis of the cylinder enveloping the larger bristles is defined like the central axis of the brush.
  • the contour of the notch has at least one shaped edge substantially rounded, which is preferably substantially parallel to the axis center of the brush.
  • the contour of the notch defines a stop which is most often sharp, but which you can cut to give it a rounded shape.
  • the notch includes a greater depth (d) which is chosen preferably less than or equal to its greatest width (L), and which is located substantially in the middle of the notch, to better match the shape of the eyelid.
  • the axis of greatest length (of length ⁇ ) is substantially parallel to the axis of the brush.
  • the axis of greatest width (L) of the notch is substantially perpendicular to the axis of the brush and (L) is less than or equal to the largest length ( ⁇ ) of the notch, in order to better conform to the shape of the eyelid.
  • the notch has symmetry with respect to the passing plane by the maximum (L) and perpendicular to the central axis.
  • the ends of the brush are of any shape, they can by example be a straight section, perpendicular to the central axis, a cap spherical or a truncated cone whose axis coincides with the central axis of the brush and whose base is the same diameter as the base of the envelope cylinder.
  • the brush may have several notches located in planes or different surfaces, two neighboring notches determining between them, by their outline, at least one peak area of variable width (the width of an area peak is measured in a direction perpendicular to the central axis of the brush).
  • the bristles of the brushes according to the invention can be of any kind: tapered ends, fork or pin head, or any kind of treatment known to those skilled in the art.
  • Figures 1 to 3 show a brush according to the invention in side view.
  • the Figure 2 is a view of the brush of Figure 1 after rotating about 90 ° around from the central axis I-I.
  • Figure 3 is from a second rotation of about 90 ° around the same axis.
  • Figure 4 shows a brush according to the invention in cross section along the plane IV-IV of FIG. 1, perpendicular to the axis I-I.
  • Figures 5 to 7 show a brush according to the invention in use for applying a mascara to the eyelashes of an eyelid.
  • FIG. 8 represents a brush according to the invention whose density of bristles varies along the soul.
  • FIG. 9 represents a device for making up the eyes in section longitudinal.
  • a brush 1 for the application a cosmetic product, in particular for applying mascara to the eyelashes comprising an elongated core 2 formed by the helical winding of two branches of a metal wire 3 which has been folded into a U before the branches do are twisted.
  • the core 2 is fixed by force fitting at the end of a rod t.
  • Bristles 4 are located radially between the branches of the wire 3. When the branches of wire 3 are twisted, the hairs are tightened and held between the spiral turns of the core 2.
  • the core 2 can be central, that is to say, the core 2 defines an axis coincident with the central axis of the brush I-I, as in the figures, but it could also be offset.
  • the bristles 4 can be made of fibers natural or synthetic and possibly flocked; brush 1 may include a mixture of bristles of different types (different diameters, shapes, sections).
  • the envelope surface of the brush is a cylinder with a central axis I-I.
  • Brush 1 has a flat rear end 6, perpendicular to the axis I-I, and a front end 5 which has the shape of a truncated cone of axis I-I and the base of which same diameter as the cylinder surrounding the brush, is attached to the section plane 10 of the cylinder, perpendicular to the axis I-I.
  • the brush has at its periphery three notches 7, concave, delimited by oval contours 8, of depth d, of length ⁇ and of greater width L with ⁇ > L> d.
  • the contours 8 of the notches include two edges 8a and 8b rounded and substantially parallel to the axis I-I.
  • the contours of the notches define peak surfaces 9 belonging to the envelope cylinder of the brush.
  • the contours 8 of the notches 7 define, with the peak surfaces 9, sharp edges 11.
  • the notches 7 are obtained by mowing the brush 1, that is to say by cutting the 4 bristles of this brush with a clipper. Each of the notches 7 is located on the same side of the brush, they are therefore not cut by the core 2.
  • the contours 8 of the notches 7 do not reach the planes end 6, 10 of the cylinder but in a variant it could be provided that the notches are tangent or secant from these end planes.
  • Each eyelash is loaded over its entire length, there is no difference in makeup between the eyelashes at the end of the eyelid and those in the middle, the eyelashes are perfectly separated from each other, elongated and curved.
  • the ridge areas have alternating rows of hairs short and long haired.
  • the device for making up the eyes shown in FIG. 9 comprises a cylindrical tank 220, which has a threaded neck 224 surmounted by a seal seal 226 and which is filled with a mascara 215.
  • the reservoir 220 comprises in its neck a wiper 221, the maintenance in position of the wiper in the neck being secured by a bead 226 which cooperates with the shoulder separating the neck of the reservoir 220 proper.
  • the wiper 221 is formed, in known manner, in a flexible and elastic material.
  • An applicator is intended for cooperate with the reservoir 220. This applicator consists of a means of grip 223 which supports the application member 230, comprising a rod 222 and a brush 201, identical to those shown in Figures 1 to 4.
  • the gripping means 223 has the shape of a cap and has a thread 223a which cooperates with the thread 224a of the neck of the reservoir. Watertight sealing of tank 220 is obtained by screwing the gripping means 223 on the neck 224 of the tank provided with its seal 226.
  • the brush responsible for mascara passes through the wringer 221. This wrings the long hairs from the areas ridges far more prominently than the short hairs of the notch.
  • the applicator member can then be used in accordance with the invention.

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  • Brushes (AREA)

Description

L'invention est relative à une brosse pour appliquer un produit cosmétique sur les fibres kératiniques, notamment pour appliquer du mascara sur les cils ou une teinture sur les cheveux, ainsi qu'à un dispositif de maquillage comportant cette brosse. Cette dernière comprend le plus souvent une âme allongée formée par l'enroulement en hélice de deux branches d'un fil métallique, des poils implantés radialement dans ladite âme et serrés entre lesdites branches enroulées, la brosse comprenant au moins une encoche concave, qui emmagasine du produit à l'essorage.The invention relates to a brush for applying a cosmetic product to the keratin fibers, in particular for applying mascara to the eyelashes or a dye on the hair, as well as a makeup device comprising this brush. The latter usually includes an elongated core formed by the helical winding of two branches of a metal wire, implanted hairs radially in said core and clamped between said coiled branches, the brush comprising at least one concave notch, which stores product spinning.

Le document FR-A-2 605 505 montre une brosse de ce type qui permet de prendre correctement en charge le produit à appliquer, lequel produit se trouve dans un réservoir dont la sortie, traversée par la brosse, est munie d'un organe essoreur destiné à limiter la charge de produit prise par les poils. Selon ce document antérieur, les arêtes ou bords délimitant ladite encoche sont sensiblement rectilignes. Une brosse conforme à cet art antérieur permet de réaliser des maquillages relativement différents selon les zones de la brosse et des arêtes utilisées et selon le mouvement imparti à la brosse ; par exemple, l'utilisatrice peut obtenir un maquillage relativement chargé si elle ne fait pas tourner la brosse sur elle-même au moment de l'application mais alors les cils ne sont pas parfaitement séparés. Par ailleurs, elle peut obtenir un maquillage léger si elle fait tourner la brosse sur elle-même, mettant ainsi en jeu les arêtes bordant ladite encoche. Dans tous les modes d'utilisation, on observe une différence de maquillage entre les cils situés à la périphérie de la paupière et ceux du milieu de la paupière, qui sont mieux chargés mieux recourbés et /ou mieux séparés que les précédents.Document FR-A-2 605 505 shows a brush of this type which makes it possible to correctly take care of the product to be applied, which product is in a tank whose outlet, crossed by the brush, is provided with a member wringer intended to limit the load of product taken up by the bristles. According to what previous document, the edges or edges delimiting said notch are substantially straight. A brush conforming to this prior art makes it possible to make relatively different make-ups depending on the areas of the brush and edges used and according to the movement imparted to the brush; for example, the user can get a relatively heavy makeup if she does not turn the brush on itself at the time of application but then the eyelashes do not are not perfectly separated. Besides, she can get a light makeup if it rotates the brush on itself, thus bringing into play the edges bordering said notch. In all modes of use, there is a difference of makeup between the eyelashes located on the periphery of the eyelid and those in the middle of the eyelid, which are better loaded better curved and / or better separated than the previous ones.

Le document FR-2715038 décrit des brosses à encoche permettant d'une part, de mieux répartir le produit à l'endroit où on le souhaite et d'obtenir des variations d'essorage importantes sur la brosse et de conférer plus d'ergonomie au maquillage et, d'autre part de n'utiliser qu'un seul type d'essoreur et un seul diamètre de tige tout en ayant la possibilité de faire varier la charge sur les cils de manière importante, sans modifier fondamentalement l'élégance de la brosse. Ce résultat est obtenu, d'une part par la forme générale de la brosse qui est un double tronc de cônes coaxiaux, accolés par leur grande base de même diamètre, d'autre part par le fait que les arêtes ou bords limitant l'encoche sont non rectilignes. Le maquillage obtenu avec ce type de brosse se caractérise habituellement par une charge importante de la base des cils et un faible recourbement des cils.The document FR-2715038 describes notched brushes allowing on the one hand, better distribute the product where desired and obtain variations important spin on the brush and give more ergonomics to the make-up and, on the other hand, to use only one type of wringer and only one stem diameter while having the possibility of varying the load on the eyelashes importantly, without fundamentally changing the elegance of the brush. This result is obtained, on the one hand by the general shape of the brush which is a double trunk of coaxial cones, joined by their large base similarly diameter, on the other hand by the fact that the edges or edges limiting the notch are not straight. The makeup obtained with this type of brush is characterized usually by a heavy load on the base of the lashes and a weak curling of the eyelashes.

Bien que ces brosses de l'art antérieur donnent des résultats globalement satisfaisants, il est apparu souhaitable de disposer de brosses permettant d'obtenir un maquillage très recourbant, parce que bien séparé en bout de cil et très chargé, ce que ne permettaient pas de faire les brosses de l'art antérieur. L'invention a pour but, également, de fournir une brosse qui reste d'une fabrication simple et économique, et d'une utilisation pratique.Although these prior art brushes give results overall satisfactory, it appeared desirable to have brushes allowing to obtain a very curling makeup, because well separated at the end of the eyelash and very loaded, which the brushes of the prior art could not do. The invention also aims to provide a brush which remains of a simple and economical to manufacture and practical to use.

L'invention a pour objet une brosse pour l'application d'un produit cosmétique sur les fibres kératiniques, comprenant une âme allongée, des poils implantés radialement dans ladite âme, la brosse comprenant au moins une encoche concave, de longueur (λ) selon un axe de plus grande longueur, la brosse comprenant des poils de plus grande dimension, contenus dans une enveloppe cylindrique d'axe central (I-I) et définissant au moins une zone de crête, caractérisée en ce que la largeur (l) de l'encoche varie d'une extrémité de la brosse à l'autre et passe par un seul maximum (L) entre lesdites extrémités.The subject of the invention is a brush for applying a cosmetic product to keratin fibers, comprising an elongated core, implanted hairs radially in said core, the brush comprising at least one notch concave, of length (λ) along a longer axis, the brush comprising larger bristles, contained in an envelope cylindrical with a central axis (I-I) and defining at least one crest area, characterized in that the width (l) of the notch varies from one end of the brush to the other and pass through a single maximum (L) between said ends.

Ainsi l'utilisatrice dispose d'une brosse comportant des poils plus courts compris dans l'encoche, ces poils étant plus chargés en mascara. L'intersection de l'enveloppe cylindrique avec l'encoche définit une face de forme concave, qui épouse la forme de l'ensemble des cils d'une paupière, contrairement aux brosses de l'art antérieur. Ainsi lorsque l'utilisatrice applique la brosse sur les cils au niveau de l'encoche, elle charge la base des cils en mascara sur toute la largeur de la paupière, puis en faisant tourner la brosse autour de son axe central elle étale le mascara sur toute la longueur de chaque cil tout en les peignant et en séparant la totalité des cils sur toute leur longueur. Une telle brosse permet d'obtenir un maquillage à la fois chargé, régulier, allongeant et recourbant.So the user has a brush with shorter bristles included in the notch, these hairs being more loaded with mascara. The intersection of the cylindrical envelope with the notch defines a concave face, which conforms to the shape of all the eyelashes of an eyelid, unlike brushes of the prior art. So when the user applies the brush to the eyelashes at the level of the notch, it loads the base of the eyelashes with mascara over the entire width of the eyelid, then rotating the brush around its central axis she spreads the mascara along the entire length of each lash while painting and by separating the entire length of the eyelashes. Such a brush allows obtain a makeup that is both charged, regular, lengthening and curling.

Cette brosse est tout à fait appropriée au maquillage des cils, aussi l'invention a également pour objet un dispositif de maquillage comprenant un réservoir à mascara et un applicateur de mascara caractérisé en ce qu'il comporte une telle brosse.This brush is entirely suitable for making up the eyelashes, so the invention has also relates to a makeup device comprising a reservoir for mascara and a mascara applicator characterized in that it comprises such a brush.

De préférence, l'âme est formée par l'enroulement en hélice de deux branches d'un fil métallique et les poils sont serrés entre les branches enroulées de l'âme.Preferably, the core is formed by the helical winding of two branches of wire and the hairs are clamped between the coiled branches of the core.

Préférentiellement, la ou les encoches sont formées par la tonte de la brosse.Preferably, the notch (s) are formed by mowing the brush.

L'axe du cylindre enveloppant les poils de plus grande dimension est défini comme l'axe central de la brosse.The axis of the cylinder enveloping the larger bristles is defined like the central axis of the brush.

Avantageusement le contour de l'encoche comporte au moins un bord de forme sensiblement arrondie, qui est de préférence sensiblement parallèle à l'axe central de la brosse.Advantageously, the contour of the notch has at least one shaped edge substantially rounded, which is preferably substantially parallel to the axis center of the brush.

Le contour de l'encoche définit une arrête qui est le plus souvent aigüe, mais que l'on peut tailler pour lui donner une forme arrondie.The contour of the notch defines a stop which is most often sharp, but which you can cut to give it a rounded shape.

L'encoche comprend une plus grande profondeur (d) qui est choisie préférentiellement inférieure ou égale à sa plus grande largeur (L), et qui est située sensiblement au milieu de l'encoche, afin de mieux épouser la forme de la paupière.The notch includes a greater depth (d) which is chosen preferably less than or equal to its greatest width (L), and which is located substantially in the middle of the notch, to better match the shape of the eyelid.

Avantageusement, l'axe de plus grande longueur (de longueur λ) est sensiblement parallèle à l'axe de la brosse. Advantageously, the axis of greatest length (of length λ) is substantially parallel to the axis of the brush.

De préférence l'axe de plus grande largeur (L) de l'encoche est sensiblement perpendiculaire à l'axe de la brosse et (L) est inférieure ou égale à la plus grande longueur (λ) de l'encoche, afin de mieux épouser la forme de la paupière.Preferably the axis of greatest width (L) of the notch is substantially perpendicular to the axis of the brush and (L) is less than or equal to the largest length (λ) of the notch, in order to better conform to the shape of the eyelid.

Préférentiellement, l'encoche présente une symétrie par rapport au plan passant par le maximum (L) et perpendiculaire à l'axe central.Preferably, the notch has symmetry with respect to the passing plane by the maximum (L) and perpendicular to the central axis.

Les extrémités de la brosse sont de forme quelconque, elles peuvent par exemple être une section droite, perpendiculaire à l'axe central, une calotte sphérique ou un tronc de cône dont l'axe coïncide avec l'axe central de la brosse et dont la base est de même diamètre que la base du cylindre enveloppe.The ends of the brush are of any shape, they can by example be a straight section, perpendicular to the central axis, a cap spherical or a truncated cone whose axis coincides with the central axis of the brush and whose base is the same diameter as the base of the envelope cylinder.

La brosse peut comporter plusieurs encoches situées suivant des plans ou des surfaces différentes, deux encoches voisines déterminant entre elles, par leurs contours, au moins une zone de crête de largeur variable (la largeur d'une zone de crête est mesurée selon une direction perpendiculaire à l'axe central de la brosse).The brush may have several notches located in planes or different surfaces, two neighboring notches determining between them, by their outline, at least one peak area of variable width (the width of an area peak is measured in a direction perpendicular to the central axis of the brush).

En outre, les poils des brosses selon l'invention peuvent être de toute espèce : à extrémités effilées, en forme de fourchette ou de tête d'épingle, ou avoir subi toute sorte de traitement connu de l'homme du métier.In addition, the bristles of the brushes according to the invention can be of any kind: tapered ends, fork or pin head, or any kind of treatment known to those skilled in the art.

D'autres modes particuliers de réalisation selon l'invention sont indiqués dans les revendications dependantes 8, 13, 14-17, 19, 21.Other particular embodiments according to the invention are indicated in dependent claims 8, 13, 14-17, 19, 21.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions dont il sera plus explicitement question ci-après à propos d'exemples de réalisation décrits avec référence aux dessins ci-annexés, mais qui ne sont nullement limitatifs.The invention consists, apart from the arrangements set out above, in one number of other provisions which will be more explicitly discussed below with regard to exemplary embodiments described with reference to the attached drawings, but which are in no way limiting.

Les figures 1 à 3 représentent une brosse selon l'invention en vue latérale. La figure 2 est une vue de la brosse de la figure 1 après rotation d'environ 90° autour de l'axe central I-I. La figure 3 est issue d'une seconde rotation d'environ 90° autour du même axe. Figures 1 to 3 show a brush according to the invention in side view. The Figure 2 is a view of the brush of Figure 1 after rotating about 90 ° around from the central axis I-I. Figure 3 is from a second rotation of about 90 ° around the same axis.

La figure 4 représente une brosse selon l'invention en coupe transversale selon le plan IV-IV de la figure 1, perpendiculaire à l'axe I-I.Figure 4 shows a brush according to the invention in cross section along the plane IV-IV of FIG. 1, perpendicular to the axis I-I.

Les figures 5 à 7 représentent une brosse selon l'invention en cours d'utilisation pour l'application d'un mascara sur les cils d'une paupière.Figures 5 to 7 show a brush according to the invention in use for applying a mascara to the eyelashes of an eyelid.

La figure 8 représente une brosse selon l'invention dont la densité de poils varie le long de l'âme.FIG. 8 represents a brush according to the invention whose density of bristles varies along the soul.

La figure 9 représente un dispositif pour le maquillage des yeux en coupe longitudinale.FIG. 9 represents a device for making up the eyes in section longitudinal.

En se reportant aux figures 1 à 4, on peut voir une brosse 1 pour l'application d'un produit cosmétique, notamment pour l'application de mascara sur les cils, comprenant une âme 2 allongée formée par l'enroulement en hélice de deux branches d'un fil métallique 3 qui a été replié en U avant que les branches ne soient torsadées. L'âme 2 est fixée par emmanchement à force en bout d'une tige t. Des poils 4 sont implantés radialement entre les branches du fil 3. Lorsque les branches du fil 3 sont torsadées, les poils sont serrés et maintenus entre les spires en hélice de l'âme 2. L'âme 2 peut être centrale, c'est-à-dire, l'âme 2 définit un axe confondu avec l'axe central de la brosse I-I, comme sur les figures, mais elle pourrait également être excentrée. Les poils 4 peuvent être en fibres naturelles ou synthétiques et éventuellement floqués ; la brosse 1 peut comporter un mélange de poils de différents types (différents diamètres, formes, sections).Referring to Figures 1 to 4, we can see a brush 1 for the application a cosmetic product, in particular for applying mascara to the eyelashes, comprising an elongated core 2 formed by the helical winding of two branches of a metal wire 3 which has been folded into a U before the branches do are twisted. The core 2 is fixed by force fitting at the end of a rod t. Bristles 4 are located radially between the branches of the wire 3. When the branches of wire 3 are twisted, the hairs are tightened and held between the spiral turns of the core 2. The core 2 can be central, that is to say, the core 2 defines an axis coincident with the central axis of the brush I-I, as in the figures, but it could also be offset. The bristles 4 can be made of fibers natural or synthetic and possibly flocked; brush 1 may include a mixture of bristles of different types (different diameters, shapes, sections).

La surface enveloppe de la brosse est un cylindre d'axe central I-I. La brosse 1 comporte une extrémité arrière 6 plane, perpendiculaire à l'axe I-I, et une extrémité avant 5 qui a la forme d'un tronc de cône d'axe I-I et dont la base, de même diamètre que le cylindre enveloppant la brosse, est accolée à la section plane 10 du cylindre, perpendiculaire à l'axe I-I. The envelope surface of the brush is a cylinder with a central axis I-I. Brush 1 has a flat rear end 6, perpendicular to the axis I-I, and a front end 5 which has the shape of a truncated cone of axis I-I and the base of which same diameter as the cylinder surrounding the brush, is attached to the section plane 10 of the cylinder, perpendicular to the axis I-I.

La brosse comporte à sa périphérie trois encoches 7, concaves, délimitées par des contours ovales 8, de profondeur d, de longueur λ et de plus grande largeur L avec λ>L>d. Les contours 8 des encoches comprennent deux bords 8a et 8b arrondis et sensiblement parallèles à l'axe I-I. Les contours des encoches définissent des surfaces de crête 9 appartenant au cylindre enveloppe de la brosse.The brush has at its periphery three notches 7, concave, delimited by oval contours 8, of depth d, of length λ and of greater width L with λ> L> d. The contours 8 of the notches include two edges 8a and 8b rounded and substantially parallel to the axis I-I. The contours of the notches define peak surfaces 9 belonging to the envelope cylinder of the brush.

Dans l'exemple représenté le contour de l'encoche est ovale, mais il pourrait également être circulaire (λ=L), elliptique, ou être constitué de deux portions de cercles sécants dont les concavités sont en regard.In the example shown, the outline of the notch is oval, but it could also be circular (λ = L), elliptical, or consist of two portions of intersecting circles whose concavities are opposite.

Les contours 8 des encoches 7 définissent avec les surfaces de crêtes 9 des arêtes aigues 11.The contours 8 of the notches 7 define, with the peak surfaces 9, sharp edges 11.

Les encoches 7 sont obtenues en tondant la brosse 1, c'est-à-dire en coupant les poils 4 de cette brosse avec une tondeuse. Chacune des encoches 7 est située d'un même côté de la brosse, elles ne sont donc pas coupées par l'âme 2.The notches 7 are obtained by mowing the brush 1, that is to say by cutting the 4 bristles of this brush with a clipper. Each of the notches 7 is located on the same side of the brush, they are therefore not cut by the core 2.

Sur les figures, les contours 8 des encoches 7 n'atteignent pas les plans d'extrémité 6, 10 du cylindre mais dans une variante on pourrait prévoir que les encoches soient tangentes ou sécantes de ces plans d'extrémité.In the figures, the contours 8 of the notches 7 do not reach the planes end 6, 10 of the cylinder but in a variant it could be provided that the notches are tangent or secant from these end planes.

Dans les figures 5 à 7 qui illustrent le procédé d'utilisation des brosses selon l'invention, les éléments identiques ou jouant des rôles analogues à des éléments décrits précédemment, seront désignés par les mêmes références numériques. Leur description ne sera pas reprise ou ne sera effectuée que succinctement. Pour simplifier, on a représenté sur ces figures des brosses comportant une seule encoche, mais le fonctionnement serait le même si la brosse comprenait plusieurs encoches.In Figures 5 to 7 which illustrate the method of using the brushes according to the invention, elements identical or playing roles analogous to elements described above, will be designated by the same reference numerals. Their description will not be repeated or will be made only succinctly. To simplify, these figures show brushes comprising a single notch, but the operation would be the same if the brush included several notches.

Sur la figure 5 on voit l'ensemble des cils de la paupière C pris en charge par les poils les plus courts de la brosse, situés au creux de l'encoche 7 concave, fortement chargés en mascara. A leur contact, la base des cils C se charge elle-même fortement en mascara. Lorsque l'utilisatrice fait tourner la brosse 1 sur elle-même (figure 6), la forme de l'encoche fait que les cils continuent à être en contact avec la brosse sur toute leur longueur et continuent à se charger tout en se courbant. Les poils plus longs de l'arrête 11 commencent à peigner le cil. Lorsque l'utilisatrice continue de faire tourner la brosse sur elle-même (figure 7), les cils sont pris en charge par les poils les plus longs de la zone de crête 9, dont l'enveloppe est cylindrique et qui répartissent le produit sur toute la longueur de chaque cil tout en le peignant.In Figure 5 we see all the eyelashes of the eyelid C supported by the shortest bristles of the brush, located in the hollow of the concave notch 7, heavily loaded with mascara. On contact, the base of the eyelashes C charges itself heavily in mascara. When the user turns the brush 1 on itself (figure 6), the shape of the notch means that the eyelashes continue to be in contact with the brush over their entire length and continue to charge while bending. The longer hairs of edge 11 begin to comb the eyelash. When the user continues to rotate the brush on itself (figure 7), the eyelashes are supported by the longest hairs of the crest zone 9, of which the envelope is cylindrical and which distribute the product over the entire length of each eyelash while painting it.

Si la brosse comprend plusieurs encoches, ces opérations de chargement et d'étalement-peignage sont répétées plusieurs fois au cours d'une rotation complète de la brosse.If the brush has several notches, these loading operations and spreading-combing are repeated several times during a rotation brush complete.

Chaque cil est chargé sur toute sa longueur, il n'y a pas de différence de maquillage entre les cils d'extrémité de la paupière et ceux du milieu, les cils sont parfaitement séparés les uns des autres, allongés et recourbés.Each eyelash is loaded over its entire length, there is no difference in makeup between the eyelashes at the end of the eyelid and those in the middle, the eyelashes are perfectly separated from each other, elongated and curved.

Sur la figure 8 on voit une brosse à mascara qui se différencie de celle représentée aux figures 1 à 4 par la variation de densité de poils: les encoches 107 sont situées dans des zones de faible densité de poils, ce qui leur permet individuellement de charger encore plus de mascara, et les zones d'extrémité 112 et 113 de la brosse ainsi que les zones de crêtes 109, ont une densité de poils plus élevée, ce qui permet de renforcer l'efficacité du peignage et de la séparation des cils.In Figure 8 we see a mascara brush that differs from that represented in FIGS. 1 to 4 by the variation in hair density: the notches 107 are located in areas of low hair density, which allows them individually to load even more mascara, and the end areas 112 and 113 of the brush as well as the ridges 109, have a density of bristles which increases the effectiveness of combing and separation of eyelashes.

Pour obtenir un maquillage encore plus chargé, on peut selon une autre variante prévoir que les zones de crête comportent une alternance de rangées de poils courts et de poils longs.To obtain an even more charged makeup, one can according to another variant provide that the ridge areas have alternating rows of hairs short and long haired.

Le dispositif pour le maquillage des yeux représenté sur la figure 9 comprend un réservoir cylindrique 220, qui comporte un goulot 224 fileté surmonté d'un joint d'étanchéité 226 et qui est rempli d'un mascara 215. Le réservoir 220 comporte dans son goulot un essoreur 221, le maintien en position de l'essoreur dans le goulot étant assuré grâce à un bourrelet 226 qui coopère avec l'épaulement séparant le goulot du réservoir 220 proprement dit. L'essoreur 221 est constitué, de façon connue, en une matière souple et élastique. Un applicateur est destiné à coopérer avec le réservoir 220. Cet applicateur est constitué d'un moyen de préhension 223 qui supporte l'organe d'application 230, comprenant une tige 222 et une brosse 201, identiques à celles représentées sur les figures 1 à 4. Le moyen de préhension 223 a la forme d'un capuchon et comporte un filetage 223a qui coopère avec le filetage 224a du goulot du réservoir. L'obturation étanche du réservoir 220 est obtenue en vissant le moyen de préhension 223 sur le goulot 224 du réservoir muni de son joint 226.The device for making up the eyes shown in FIG. 9 comprises a cylindrical tank 220, which has a threaded neck 224 surmounted by a seal seal 226 and which is filled with a mascara 215. The reservoir 220 comprises in its neck a wiper 221, the maintenance in position of the wiper in the neck being secured by a bead 226 which cooperates with the shoulder separating the neck of the reservoir 220 proper. The wiper 221 is formed, in known manner, in a flexible and elastic material. An applicator is intended for cooperate with the reservoir 220. This applicator consists of a means of grip 223 which supports the application member 230, comprising a rod 222 and a brush 201, identical to those shown in Figures 1 to 4. The gripping means 223 has the shape of a cap and has a thread 223a which cooperates with the thread 224a of the neck of the reservoir. Watertight sealing of tank 220 is obtained by screwing the gripping means 223 on the neck 224 of the tank provided with its seal 226.

Lorsque l'on extrait l'organe d'application 230 du réservoir, la brosse chargée de mascara passe à travers l'essoreur 221. Celui-ci essore les poils longs des zones de crêtes de façon beaucoup plus importante que les poils courts de l'encoche. L'organe d'application peut ensuite être utilisé conformément à l'invention.When the applicator member 230 is removed from the reservoir, the brush responsible for mascara passes through the wringer 221. This wrings the long hairs from the areas ridges far more prominently than the short hairs of the notch. The applicator member can then be used in accordance with the invention.

Claims (21)

  1. A brush (1, 201) for the application of a cosmetic product to the keratinous fibres, comprising an elongate core (2, 202), bristles (4) radially implanted in the said core, the brush comprising at least one concave cutback (7, 107) of length (λ) along an axis of the greatest length, the brush comprising bristles of a larger dimension contained in a cylindrical envelope with a central axis (I-I) and defining at least one crest zone, characterized in that the width (l) of the cutback varies from one end of the brush to the other and passes through a single maximum (L) between the said ends.
  2. A brush according to claim 1, characterized in that the core (2) is formed by the helical winding of two strands of a metal wire (3) and that the bristles (4) are tightly held between the wound strands of the core.
  3. A brush according to any one of the preceding claims, characterized in that the cutback (7, 107, 207) is formed by the clipping of the brush (1).
  4. A brush according to any one of the preceding claims, characterized in that the cutback (7) has a contour (8) having at least one edge (8a, 8b) of a substantially rounded shape.
  5. A brush according to claim 4, characterized in that the edge (8a, 8b) is substantially parallel to the central axis (I-I).
  6. A brush according to any one of the preceding claims, characterized in that the cutback (7) has a greatest depth (d), smaller than or equal to its greatest width (L) and which is situated substantially in the middle of the cutback.
  7. A brush according to any one of the preceding claims, characterized in that the axis of greatest length (λ) is substantially parallel to the axis (I-I) of the brush.
  8. A brush according to any one of the preceding claims, characterized in that the core (2) defines an axis coinciding with the central axis (I-I) of the brush.
  9. A brush according to any one of the preceding claims, characterized in that the axis of the largest width (L) of the cutback is substantially perpendicular to the axis (I-I) of the brush.
  10. A brush according to any one of the preceding claims, characterized in that the maximum (L) is smaller than or equal to the greatest length (λ) of the cutback.
  11. A brush according to any one of the preceding claims, characterized in that the cutback (7) is symmetrical relative to the plane (IV-IV) passing through (L) and perpendicular to the central axis (I-I).
  12. A brush according to any one of the preceding claims, characterized in that it comprises several cutbacks (7).
  13. A brush according to any one of claims 4 to 12, characterized in that the contour (8) has at least two rounded edges (8a, 8b) substantially parallel to the central axis (I-I).
  14. A brush according to any one of the preceding claims, characterized in that the contour (8) of the cutback is oval, circular, elliptical or constituted by two portions of intersecting circles whose concavities face one another.
  15. A brush according to any one of the preceding claims, characterized in that the contour (8) of the cutback (7) defines a sharp edge (11).
  16. A brush according to any one of the preceding claims, characterized in that the cutbacks (107) are situated in zones with a low density of bristles and the end zones (112) and (113) of the brush and the crest zones (109) have a higher density of bristles.
  17. A brush according to any one of the preceding claims, characterized in that the crest zones have an alternation of rows with short bristles and long bristles.
  18. A brush according to any one of the preceding claims, characterized in that the bristles of the brush have tapered ends, in the form of a fork or of a pinhead.
  19. A brush according to any one of the preceding claims, comprising, moreover, a gripping stem (t, 222).
  20. A device comprising a reservoir (220) for mascara (215) and a mascara applicator (230), characterized in that the applicator (230) comprises a brush (201) according to any one of the preceding claims.
  21. A device according to claim 20, comprising a cap (223) for closing the reservoir (220) in a leakproof manner, characterized in that the cap 223) holds the applicator (230).
EP97400200A 1996-02-29 1997-01-28 Brush for applying cosmetics and in particular mascara Expired - Lifetime EP0792603B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9602562A FR2745481B1 (en) 1996-02-29 1996-02-29 PROGRESSIVE BRUSH FOR APPLYING A COSMETIC PRODUCT, ESPECIALLY MASCARA
FR9602562 1996-02-29

Publications (3)

Publication Number Publication Date
EP0792603A1 EP0792603A1 (en) 1997-09-03
EP0792603B1 true EP0792603B1 (en) 1998-08-19
EP0792603B2 EP0792603B2 (en) 2002-08-28

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EP97400200A Expired - Lifetime EP0792603B2 (en) 1996-02-29 1997-01-28 Brush for applying cosmetics and in particular mascara

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US (2) US5853011A (en)
EP (1) EP0792603B2 (en)
JP (1) JP2781174B2 (en)
CN (1) CN1104863C (en)
BR (1) BR9700318A (en)
DE (1) DE69700017T3 (en)
ES (1) ES2121480T5 (en)
FR (1) FR2745481B1 (en)
MX (1) MX9701458A (en)

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Also Published As

Publication number Publication date
JPH09238740A (en) 1997-09-16
DE69700017T3 (en) 2003-04-17
MX9701458A (en) 1998-04-30
US5853011A (en) 1998-12-29
CN1163731A (en) 1997-11-05
USRE38755E1 (en) 2005-07-12
FR2745481A1 (en) 1997-09-05
BR9700318A (en) 1998-10-27
DE69700017D1 (en) 1998-09-24
JP2781174B2 (en) 1998-07-30
CN1104863C (en) 2003-04-09
ES2121480T5 (en) 2003-03-16
DE69700017T2 (en) 1999-01-07
EP0792603B2 (en) 2002-08-28
FR2745481B1 (en) 1998-04-30
EP0792603A1 (en) 1997-09-03
ES2121480T3 (en) 1998-11-16

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