EP1510149A1 - Applicator for cosmetic substances - Google Patents

Applicator for cosmetic substances Download PDF

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Publication number
EP1510149A1
EP1510149A1 EP04291735A EP04291735A EP1510149A1 EP 1510149 A1 EP1510149 A1 EP 1510149A1 EP 04291735 A EP04291735 A EP 04291735A EP 04291735 A EP04291735 A EP 04291735A EP 1510149 A1 EP1510149 A1 EP 1510149A1
Authority
EP
European Patent Office
Prior art keywords
core
twisted
applicator
brush
applicator according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04291735A
Other languages
German (de)
French (fr)
Other versions
EP1510149B1 (en
Inventor
Guilhem Rousselet
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
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP1510149A1 publication Critical patent/EP1510149A1/en
Application granted granted Critical
Publication of EP1510149B1 publication Critical patent/EP1510149B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1046—Brush used for applying cosmetics
    • A46B2200/1053—Cosmetics applicator specifically for mascara

Definitions

  • the present invention relates to a cosmetic product applicator, especially mascara, as used in particular for eyelashes and eyebrows.
  • twisted brushes In the field of mascara, the most commonly used applicators are formed of so-called "twisted” brushes. Such twisted brushes are obtained by placing a sheet of hair between the two branches of a thread of iron configured as a hairpin, then twisting the two branches of the wire iron around its axis. The twisted wire thus forms a helix (in reality, one for each strand of wire) whose turns, depending on the direction of twisting the wire, rise from left to right (when the brush is seen from the front in a vertical position) or from right to left.
  • the first twisting type provides a brush sometimes qualified as "brush left. "Such a brush is described in particular in patent EP 0 611 170 in the name of the plaintiff.
  • the second type of twisting the most common until now, allows to obtain a qualified brush of "right brush”.
  • Such twisted brushes generally include a "stacked" portion defining an application portion, extending by a “no” clothed “wire, sometimes called” tail “of the brush, and serving in particular to the fixing of the device on a rod connected in particular to an organ for gripping the device also serving as a closure cap of the bottle that contains the mascara.
  • Fixing the brush in the stem requires a minimum of axial holding so that the brush does not fall from the stem and is definitely not usable anymore.
  • the Fixing the brush also requires a fairly large rotational hold for the brush to rotate with the rod when the rod is rotated by the user to unscrew the cap from the bottle.
  • Fixation must be all more solid when the mascaras used are mascaras that dry very quickly, namely mascaras that have a relatively pasty formulation and therefore, which adhere significantly to the brush and the bottle.
  • the tail of the brush is usually inserted in a hole in the stem, the diameters of this hole and the tail of the brush being substantially equal.
  • the outfit is ensured by heating the tail of the wire brush and forcing it into the stem hole so that the plastic of the stem melts locally in contact with the tail of the brush and marries the shape of the twist of the tail of the brush.
  • the holding of the brush in traction is thus high since the rod taking the shape of the twist becomes a kind of female thread around the tail of the brush which is a male thread. Thus, any axial displacement becomes impossible without deformation of the material of the rod or brush.
  • the rotation in the direction of unscrewing the tail of the brush remains easy since there is no chemical adhesion between the plastic and the metal, and that this movement does not imply any mechanical deformation.
  • the holding in rotation remains weak. The unscrewing movement of the brush relative to the stem can occur in the direction of opening or closing the mascara.
  • the twisted zone of the second portion of the soul contiguous to the empoilated portion can be twisted in the same direction as the empoilée portion.
  • the twisted zone of the second portion of the soul contiguous to the empoilated portion can be twisted with the same pitch as the empoiled portion.
  • the second portion of the core may be formed by a twisted zone of a first step and by a twisted zone of a second step different from the first.
  • the second portion of the core may be formed by a zone twisted which step increases, or decreases, gradually between a first end contiguous to the empoiled portion of the soul and a second opposite end to the first.
  • the entire soul can be formed from two branches of a wire.
  • the empoiled portion of the soul may have a plurality of turns left to right when the applicator is seen from the front in a vertical position. In this case, the brush is called "left".
  • the empoiled portion of the soul can present a plurality of turns rising from right to left when the applicator is seen from the front in a vertical position.
  • the brush is called "right".
  • the empoilated portion of the soul may be rectilinear, or alternatively be curve.
  • the rod may be secured to a gripping member.
  • the bristles can form a brush of circular cross section, or polygonal, in particular triangular, square, or pentagonal.
  • the objects of the invention can also be achieved by realizing a together for packaging and applying a product to fibers keratinous substances, in particular eyelashes or eyebrows, comprising a container containing the product, said container defining an opening in the vicinity of which is arranged a wringing member, said assembly being equipped with a applicator as just described.
  • the application device 10 shown in FIG. 1 is intended to apply a mascara.
  • the device 10 comprises a rod 30 carrying a brush 40, the rod extending along an axis X.
  • the brush comprises for example a section transverse to the X axis of circular shape.
  • the brush 40 comprises a twisted core 20 substantially straight. Blade twisted is obtained from a folded U-shaped wire and between the branches of which, prior to the twisting movement, a sheet of 41. In response to the twisting movement, the bristles 41 are driven in a helical configuration formed of a succession of more turns or less apart. The bristles 41 extend radially to the support and are substantially rectilinear.
  • the layer of bristles 41 forming the brush is trapped in a first portion 21 of the core 20 while a second portion of the soul 22 not empoilée, subsequently called the tail of the brush, is fixed in the rod 30.
  • the end of the rod 20 opposite the brush 40 is generally connected to an element (shown only in FIG. 6) forming both a gripping member for the brush 40, and shutter member for the container with which is associated the brush.
  • the brush 40 is of the "straight brush” type, the turns of the empoilated portion 21 of the twisted core 20 rising from the right towards the left when the brush 40 is seen from the front in the vertical position.
  • the tail of the brush 22, which is fixed in the rod 30, has two zones twisted 22a and 22b in two different directions.
  • a first twisted zone 22a, formed in the extension of the empoilated portion 21 of the core 20, has the same meaning and the same step as the empoiled portion 21 of the soul.
  • a second twisted zone 22b formed in the extension of the first twisted zone 22a, this time is twisted in the opposite direction of the first twisted zone 22a of the tail of the brush.
  • the tail of the brush has a length about 2 cm.
  • the two twisted areas of the tail of the brush as well as the twisted portion empoilée have a pitch equal to 1 mm.
  • the branches of the wire are wound in a first direction so as to form the empoiled portion 21 of the soul 10 and the first twisted zone 22a of the tail 22 of the brush. Then, we hold the two wires about 1 cm from the end of the brush tip and rolls in the opposite direction to make the second twisted area 22b of the tail of the brush.
  • the tail thus obtained is then partially heated and pressed into a hole 31 previously formed in the rod 30.
  • the plastic of the stem melts slightly in contact with the tail and then marries the shape of the tail of the brush.
  • FIG. 2 represents a second embodiment of realization of the applicator 10 according to the invention.
  • the whole of the tail 22 of the brush is twisted in the same direction.
  • the tail of the brush comprises a first twisted zone 22a of a first pitch, for example the same step as the empoiled portion of the soul, and a second zone twisted 22b of a different pitch, this step being constant.
  • the first zone twisted 22a of the tail of the brush has for example a step about equal to 1 mm and the second twisted zone 22b has for example a pitch of 1.5 mm.
  • FIG. 3 represents a third embodiment of embodiment of the applicator 10 according to the invention.
  • the whole of the tail 22 of the brush is also twisted in the same direction.
  • 22 of the brush comprises a first twisted zone 22a according to a first step, for example the same step as the empoiled portion of the soul.
  • the second twisted zone 22b of the tail this time a step different from the step of the first twisted zone but it is not constant throughout this zone. It increases gradually since the first twisted zone until the end of the soul.
  • any rotational movement of the brush relative to the stem is also impossible without significant deformation of the stem, because the pitch of the twisted area of the tail of the brush is not constant and does not allow unscrewing.
  • the presence of the twisted zone in the stem also allows good support axial. The brush is again very strongly maintained in the stem.
  • the brush 40 differs from the brush according to Figure 1 in that it is of the "left brush” type, the turns of the portion empoilée 21 of the twisted soul rising from left to right when the brush is seen from the front in vertical position.
  • the benefits resulting from a twisted soul on the left we can usefully refer to U.S. Patent 6,227,735.
  • the brush according to the variant of Figure 5 differs from the brush according to the 1 in that the empoilated portion 21 of the twisted core 20 is curved, the curvature substantially corresponding to the curvature of the implantation line eyelashes on the eyelid.
  • the tail of the soul is always right.
  • FIG. 6 there is shown a set of packaging and application 100, equipped with an application device 10 of the type of those described previously with reference to FIGS. 1 to 5.
  • the assembly 100 comprises a container 50 containing a reserve of cosmetic product such as mascara and an applicator 10.
  • the applicator 10 comprises an application device of the type twisted brush attached to one end of an X axis shank.
  • the other end of the rod 30 is secured to a gripping element 60 which also constitutes a closing cap of the container 50.
  • the container 50 comprises an organ wiper 70 constituted here by a cylindrical sleeve, one end of which terminates with an annular, flexible lip 71.
  • the application device 10 In the mounted position of the applicator 10 on the container 50, the application device 10 is in its entirety between the squeezing lip 71 and the bottom of the container.
  • Other types of organs may be used, for example a cell foam block open or semi-open, axially crossed by a slot or a passage, whose edges which delimit it are substantially joined in the absence of constraint.
  • the user unscrews the cap formed by the gripping member 60, and extracting the applicator 10 from the container 50.
  • the application device 10 is passed through the organ wiper 70, so as to dose the amount of product distributed on the bristles.
  • the extraction movement of the applicator is of substantially direction Longitudinal axis X.
  • the cross section of the brush perpendicular to the X axis can be of any other form than circular, in particular polygonal, by example square, triangular, pentagonal, etc. ...
  • the section transverse of the bristles can be of different shapes, the brush being have bristles of a single type of section, or bristles of different sections, mixed.

Landscapes

  • Brushes (AREA)
  • Coating Apparatus (AREA)
  • Closures For Containers (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Cosmetics (AREA)
  • Cleaning And Drying Hair (AREA)

Abstract

The applicator has a twisted core (20) having a portion (21) that has bristles (41) radially arranged with respect to the core. Another portion (22) is fixed in a shaft (30). The latter portion has two zones (22a,22b) twisted in different directions and/or pace, where the pace of the twisting is progressively increased between an end close to the former portion and another end. An independent claim is also included for an assembly for packaging and applying of a product on a keratin fiber e.g. eyelash and eyebrow.

Description

La présente invention concerne un applicateur de produit cosmétique, notamment de mascara, tel qu'utilisé en particulier pour les cils et les sourcils.The present invention relates to a cosmetic product applicator, especially mascara, as used in particular for eyelashes and eyebrows.

Dans le domaine du mascara, les applicateurs les plus communément utilisés sont formés de brosses dites "torsadées". De telles brosses torsadées sont obtenues en disposant une nappe de poils entre les deux branches d'un fil de fer configuré en épingle à cheveux, puis en torsadant les deux branches du fil de fer autour de son axe. Le fil de fer ainsi torsadé forme une hélice (en réalité, une pour chaque brin de fil de fer) dont les spires, en fonction du sens de torsadage du fil de fer, montent de la gauche vers la droite (lorsque la brosse est vue de face en position verticale) ou de la droite vers la gauche. Le premier type de torsadage permet d'obtenir une brosse qualifiée parfois de "brosse gauche". Une telle brosse est décrite notamment dans le brevet EP 0 611 170 au nom de la demanderesse. Le second type de torsadage, le plus répandu jusqu'à présent, permet d'obtenir une brosse qualifiée de "brosse droite".In the field of mascara, the most commonly used applicators are formed of so-called "twisted" brushes. Such twisted brushes are obtained by placing a sheet of hair between the two branches of a thread of iron configured as a hairpin, then twisting the two branches of the wire iron around its axis. The twisted wire thus forms a helix (in reality, one for each strand of wire) whose turns, depending on the direction of twisting the wire, rise from left to right (when the brush is seen from the front in a vertical position) or from right to left. The first twisting type provides a brush sometimes qualified as "brush left. "Such a brush is described in particular in patent EP 0 611 170 in the name of the plaintiff. The second type of twisting, the most common until now, allows to obtain a qualified brush of "right brush".

De telles brosses torsadées comprennent généralement une partie "empoilée" définissant une portion d'application, se prolongeant par une partie "non empoilée" du fil de fer, appelée parfois "queue" de la brosse, et servant notamment à la fixation du dispositif sur une tige reliée notamment à un organe pour la préhension du dispositif servant également de capuchon de fermeture du flacon qui contient le mascara.Such twisted brushes generally include a "stacked" portion defining an application portion, extending by a "no" clothed "wire, sometimes called" tail "of the brush, and serving in particular to the fixing of the device on a rod connected in particular to an organ for gripping the device also serving as a closure cap of the bottle that contains the mascara.

La fixation de la brosse dans la tige exige un minimum de tenue axiale pour que la brosse ne tombe pas de la tige et ne soit définitivement plus utilisable. La fixation de la brosse exige également une tenue en rotation assez importante pour que la brosse tourne avec la tige lorsque la tige est mise en rotation par l'utilisateur pour dévisser le capuchon du flacon. La fixation doit être d'autant plus solide lorsque les mascaras utilisés sont des mascaras qui sèchent très vite, à savoir des mascaras qui ont une formulation relativement pâteuse et donc qui adhèrent de façon importante à la brosse et au flacon.Fixing the brush in the stem requires a minimum of axial holding so that the brush does not fall from the stem and is definitely not usable anymore. The Fixing the brush also requires a fairly large rotational hold for the brush to rotate with the rod when the rod is rotated by the user to unscrew the cap from the bottle. Fixation must be all more solid when the mascaras used are mascaras that dry very quickly, namely mascaras that have a relatively pasty formulation and therefore, which adhere significantly to the brush and the bottle.

Pour fixer la brosse à la tige, on insère généralement la queue de la brosse dans un trou ménagé dans la tige, les diamètres de ce trou et de la queue de la brosse étant sensiblement égaux. La tenue est assurée en chauffant la queue de la brosse métallique et en la forçant dans le trou de la tige de telle sorte que le plastique de la tige fonde localement au contact de la queue de la brosse et épouse la forme de la torsade de la queue de la brosse.To attach the brush to the stem, the tail of the brush is usually inserted in a hole in the stem, the diameters of this hole and the tail of the brush being substantially equal. The outfit is ensured by heating the tail of the wire brush and forcing it into the stem hole so that the plastic of the stem melts locally in contact with the tail of the brush and marries the shape of the twist of the tail of the brush.

La tenue de la brosse en traction est donc élevée puisque la tige prenant la forme de la torsade devient une sorte de filetage femelle autour de la queue de la brosse qui est un filetage mâle. Ainsi, tout déplacement axial devient impossible sans déformation du matériau de la tige ou de la brosse. En revanche, la rotation dans le sens du dévissage de la queue de la brosse reste aisée puisqu'il n'y a pas adhésion chimique entre le plastique et le métal, et que ce mouvement n'implique aucune déformation mécanique. Ainsi, la tenue en rotation reste faible. Le mouvement de dévissage de la brosse par rapport à la tige peut se produire dans le sens de l'ouverture ou de fermeture du mascara.The holding of the brush in traction is thus high since the rod taking the shape of the twist becomes a kind of female thread around the tail of the brush which is a male thread. Thus, any axial displacement becomes impossible without deformation of the material of the rod or brush. In However, the rotation in the direction of unscrewing the tail of the brush remains easy since there is no chemical adhesion between the plastic and the metal, and that this movement does not imply any mechanical deformation. Thus, the holding in rotation remains weak. The unscrewing movement of the brush relative to the stem can occur in the direction of opening or closing the mascara.

Pour palier ce problème, il est classique d'écraser localement la queue de la brosse pour la rendre localement plate et ainsi empêcher la queue de la brosse de se dévisser lors de mouvements de rotation. Toutefois, ce plat n'est efficace que pour des valeurs de couple de rotation assez faibles, et n'est pas suffisament efficace pour des mascaras de formulation relativement pâteuse.To overcome this problem, it is traditional to locally overwrite the tail of the brush to make it locally flat and thus prevent the tail of the brush to unscrew during rotational movements. However, this dish is not effective only for relatively low torque values, and is not sufficiently effective for mascaras of relatively pasty formulation.

Aussi, est-ce un des objets de l'invention que de réaliser un applicateur de produit cosmétique qui ne présente pas les inconvénients de la technique antérieure.Also, is it an object of the invention to provide an applicator of cosmetic product that does not have the disadvantages of the technique earlier.

C'est en particulier un objet de l'invention que de réaliser un tel applicateur dans lequel la brosse ne risque pas de se séparer de la tige sur laquelle elle est fixée, et ceci, même pour des formulations de produit relativement collantes. It is in particular an object of the invention to provide such an applicator in which the brush is not likely to separate from the rod on which it is fixed, and this even for relatively sticky product formulations.

C'est également un autre objet de l'invention que de réaliser un tel applicateur de façon simple et à moindre coût.It is also another object of the invention to provide such an applicator in a simple way and at a lower cost.

Selon l'invention, ces objets peuvent être atteints en tout ou partie en réalisant un applicateur de produit cosmétique, notamment de mascara, comprenant une âme torsadée présentant :

  • une première portion qui emprisonne des poils disposés de manière radiale relativement à l'âme, et
  • une seconde portion fixée dans une tige, la seconde portion de l'âme étant formée d'au moins deux zones torsadées ayant un sens et/ou un pas différent.
According to the invention, these objects can be achieved wholly or partly by producing a cosmetic product applicator, in particular mascara, comprising a twisted core having:
  • a first portion which traps bristles arranged radially relative to the core, and
  • a second portion fixed in a rod, the second portion of the core being formed of at least two twisted zones having a different direction and / or pitch.

La zone torsadée de la seconde portion de l'âme contiguë à la portion empoilée peut être torsadée dans le même sens que la portion empoilée.The twisted zone of the second portion of the soul contiguous to the empoilated portion can be twisted in the same direction as the empoilée portion.

La zone torsadée de la seconde portion de l'âme contiguë à la portion empoilée peut être torsadée avec le même pas que la portion empoilée.The twisted zone of the second portion of the soul contiguous to the empoilated portion can be twisted with the same pitch as the empoiled portion.

La seconde portion de l'âme peut être formée par une zone torsadée d'un premier pas et par une zone torsadée d'un deuxième pas différent du premier.The second portion of the core may be formed by a twisted zone of a first step and by a twisted zone of a second step different from the first.

Alternativement, la seconde portion de l'âme peut être formée par une zone torsadée dont le pas augmente, ou diminue, progressivement entre une première extrémité contiguë à la portion empoilée de l'âme et une seconde extrémité opposée à la première.Alternatively, the second portion of the core may be formed by a zone twisted which step increases, or decreases, gradually between a first end contiguous to the empoiled portion of the soul and a second opposite end to the first.

L'ensemble de l'âme peut être formée à partir de deux branches d'un fil de fer.The entire soul can be formed from two branches of a wire.

La portion empoilée de l'âme peut présenter une pluralité de spires montant de la gauche vers la droite lorsque l'applicateur est vu de face en position verticale. Dans ce cas, la brosse est qualifiée de "gauche". The empoiled portion of the soul may have a plurality of turns left to right when the applicator is seen from the front in a vertical position. In this case, the brush is called "left".

Alternativement, la portion empoilée de l'âme peut présenter une pluralité de spires montant de la droite vers la gauche lorsque l'applicateur est vu de face en position verticale. Dans ce cas, la brosse est qualifiée de "droite".Alternatively, the empoiled portion of the soul can present a plurality of turns rising from right to left when the applicator is seen from the front in a vertical position. In this case, the brush is called "right".

La portion empoilée de l'âme peut être rectiligne, ou alternativement être courbe.The empoilated portion of the soul may be rectilinear, or alternatively be curve.

La tige peut être solidaire d'un organe de préhension.The rod may be secured to a gripping member.

Les poils peuvent former une brosse de section transversale circulaire, ou polygonale, notamment triangulaire, carrée, ou pentagonale.The bristles can form a brush of circular cross section, or polygonal, in particular triangular, square, or pentagonal.

Les objets de l'invention peuvent également être atteints en réalisant un ensemble pour le conditionnement et l'application d'un produit sur les fibres kératiniques, notamment les cils ou les sourcils, comprenant un récipient contenant le produit, ledit récipient délimitant une ouverture au voisinage de laquelle est disposé un organe d'essorage, ledit ensemble étant équipé d'un applicateur tel qu'il vient d'être décrit.The objects of the invention can also be achieved by realizing a together for packaging and applying a product to fibers keratinous substances, in particular eyelashes or eyebrows, comprising a container containing the product, said container defining an opening in the vicinity of which is arranged a wringing member, said assembly being equipped with a applicator as just described.

L'invention consiste, mis à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions qui seront explicitées ci-après, à propos d'exemples de réalisation non limitatifs, décrits en référence aux figures annexées, parmi lesquelles :

  • la figure 1 illustre une vue en coupe partielle d'un premier mode de réalisation d'un applicateur selon l'invention ;
  • la figure 2 illustre une vue en coupe partielle d'un deuxième mode de réalisation d'un applicateur selon l'invention ;
  • la figure 3 illustre une vue en coupe partielle d'un troisième mode de réalisation d'un applicateur selon l'invention ;
  • les figures 4 et 5 représentent des variantes de l'applicateur illustré à la figure 1 ; et
  • la figure 6 représente un ensemble de conditionnement et d'application utilisant un applicateur selon l'invention.
The invention consists, apart from the arrangements set out above, in a certain number of other arrangements which will be explained below, with reference to nonlimiting exemplary embodiments, described with reference to the appended figures, among which:
  • Figure 1 illustrates a partial sectional view of a first embodiment of an applicator according to the invention;
  • FIG. 2 illustrates a partial sectional view of a second embodiment of an applicator according to the invention;
  • Figure 3 illustrates a partial sectional view of a third embodiment of an applicator according to the invention;
  • Figures 4 and 5 show variants of the applicator illustrated in Figure 1; and
  • FIG. 6 represents a packaging and applicator assembly using an applicator according to the invention.

Le dispositif d'application 10 représenté à la figure 1 est prévu pour appliquer un mascara. Le dispositif 10 comporte une tige 30 portant une brosse 40, la tige s'étendant selon un axe X. La brosse comporte par exemple une section transversale à l'axe X de forme circulaire.The application device 10 shown in FIG. 1 is intended to apply a mascara. The device 10 comprises a rod 30 carrying a brush 40, the rod extending along an axis X. The brush comprises for example a section transverse to the X axis of circular shape.

La brosse 40 comprend une âme torsadée 20 sensiblement droite. L'âme torsadée est obtenue à partir d'un fil de fer replié en U et entre les branches duquel, préalablement au mouvement de torsadage, on introduit une nappe de poils 41. En réponse au mouvement de torsadage, les poils 41 sont entraínés dans une configuration hélicoïdale formée d'une succession de spires plus ou moins écartées. Les poils 41 s'étendent radialement au support et sont sensiblement rectilignes.The brush 40 comprises a twisted core 20 substantially straight. Blade twisted is obtained from a folded U-shaped wire and between the branches of which, prior to the twisting movement, a sheet of 41. In response to the twisting movement, the bristles 41 are driven in a helical configuration formed of a succession of more turns or less apart. The bristles 41 extend radially to the support and are substantially rectilinear.

La nappe de poils 41 formant la brosse est emprisonnée dans une première portion 21 de l'âme 20 alors qu'une seconde portion de l'âme 22 non empoilée, appelée par la suite la queue de la brosse, est fixée dans la tige 30. L'extrémité de la tige 20 opposée à la brosse 40 est reliée généralement à un élément (représenté uniquement à la figure 6) formant à la fois organe de préhension pour la brosse 40, et élément d'obturation pour le récipient auquel est associée la brosse.The layer of bristles 41 forming the brush is trapped in a first portion 21 of the core 20 while a second portion of the soul 22 not empoilée, subsequently called the tail of the brush, is fixed in the rod 30. The end of the rod 20 opposite the brush 40 is generally connected to an element (shown only in FIG. 6) forming both a gripping member for the brush 40, and shutter member for the container with which is associated the brush.

Selon ce mode de réalisation, la brosse 40 est du type "brosse droite", les spires de la portion empoilée 21 de l'âme torsadée 20 montant de la droite vers la gauche lorsque la brosse 40 est vue de face en position verticale.According to this embodiment, the brush 40 is of the "straight brush" type, the turns of the empoilated portion 21 of the twisted core 20 rising from the right towards the left when the brush 40 is seen from the front in the vertical position.

La queue de la brosse 22, qui est fixée dans la tige 30, comporte deux zones torsadées 22a et 22b dans deux sens différents. Une première zone torsadée 22a, formée dans le prolongement de la portion empoilée 21 de l'âme 20, comporte le même sens et le même pas que la portion empoilée 21 de l'âme. Une deuxième zone torsadée 22b, formée dans le prolongement de la première zone torsadée 22a, est cette fois torsadée dans le sens inverse de la première zone torsadée 22a de la queue de la brosse. The tail of the brush 22, which is fixed in the rod 30, has two zones twisted 22a and 22b in two different directions. A first twisted zone 22a, formed in the extension of the empoilated portion 21 of the core 20, has the same meaning and the same step as the empoiled portion 21 of the soul. A second twisted zone 22b formed in the extension of the first twisted zone 22a, this time is twisted in the opposite direction of the first twisted zone 22a of the tail of the brush.

Selon un exemple de réalisation, la queue de la brosse a une longueur d'environ 2 cm. Les deux zones torsadées de la queue de la brosse ainsi que la portion torsadée empoilée ont un pas environ égal à 1 mm.According to an exemplary embodiment, the tail of the brush has a length about 2 cm. The two twisted areas of the tail of the brush as well as the twisted portion empoilée have a pitch equal to 1 mm.

Pour réaliser cet applicateur, après avoir introduit la nappe de poils entre les branches du U du fil de fer replié en U, on enroule les branches du fil de fer dans un premier sens de manière à former la portion empoilée 21 de l'âme 10 et la première zone torsadée 22a de la queue 22 de la brosse. Puis, on maintient les deux fils à environ 1 cm du bout de la queue de la brosse et on les enroule dans le sens inverse de manière à réaliser la deuxième zone torsadée 22b de la queue de la brosse.To realize this applicator, after having introduced the layer of hairs between the U-shaped branches of the U-folded wire, the branches of the wire are wound in a first direction so as to form the empoiled portion 21 of the soul 10 and the first twisted zone 22a of the tail 22 of the brush. Then, we hold the two wires about 1 cm from the end of the brush tip and rolls in the opposite direction to make the second twisted area 22b of the tail of the brush.

La queue ainsi obtenue est ensuite partiellement chauffée et enfoncée dans un trou 31 préalablement formé dans la tige 30. Le plastique de la tige fond légèrement au contact de la queue et épouse alors la forme de la queue de la brosse.The tail thus obtained is then partially heated and pressed into a hole 31 previously formed in the rod 30. The plastic of the stem melts slightly in contact with the tail and then marries the shape of the tail of the brush.

Ainsi, après insertion à chaud dans le trou de la tige de la totalité de la queue de la brosse, à savoir des zones torsadées dans les deux sens, tout mouvement de rotation relatif de la brosse par rapport à la tige devient impossible sans déformation importante de la tige, car visser une partie de la queue de la brosse revient à dévisser l'autre partie de la queue de la brosse. Ainsi, la brosse est très fortement maintenue en rotation dans la tige. La présence de la zone torsadée dans la tige permet également un bon maintien axial.Thus, after hot insertion into the stem hole of the entire tail of the brush, ie twisted areas in both directions, all relative rotational movement of the brush relative to the stem becomes impossible without significant deformation of the rod, because screw a part of the tail of the brush returns to unscrew the other part of the tail of the brush. Thus, the brush is very strongly maintained in rotation in the rod. The presence of the twisted zone in the stem also allows good support axial.

La figure 2 représente un deuxième mode de réalisation de réalisation de l'applicateur 10 selon l'invention. Selon ce mode de réalisation, l'ensemble de la queue 22 de la brosse est torsadé dans le même sens. Toutefois, la queue de la brosse comporte une première zone torsadée 22a d'un premier pas, par exemple le même pas que la portion empoilée de l'âme, et une deuxième zone torsadée 22b d'un pas différent, ce pas étant constant. La première zone torsadée 22a de la queue de la brosse a par exemple un pas environ égal à 1 mm et la deuxième zone torsadée 22b a par exemple un pas de 1,5 mm. FIG. 2 represents a second embodiment of realization of the applicator 10 according to the invention. According to this embodiment, the whole of the tail 22 of the brush is twisted in the same direction. However, the tail of the brush comprises a first twisted zone 22a of a first pitch, for example the same step as the empoiled portion of the soul, and a second zone twisted 22b of a different pitch, this step being constant. The first zone twisted 22a of the tail of the brush has for example a step about equal to 1 mm and the second twisted zone 22b has for example a pitch of 1.5 mm.

La figure 3 représente un troisième mode de réalisation de réalisation de l'applicateur 10 selon l'invention. Selon ce mode de réalisation, l'ensemble de la queue 22 de la brosse est également torsadé dans le même sens. Toutefois, la queue 22 de la brosse comporte une première zone torsadée 22a selon un premier pas, par exemple le même pas que la portion empoilée de l'âme. La deuxième zone torsadée 22b de la queue a cette fois un pas différent du pas de la première zone torsadée mais il n'est pas constant tout au long de cette zone. Il augmente progressivement depuis la première zone torsadée jusqu'à l'extrémité de l'âme.FIG. 3 represents a third embodiment of embodiment of the applicator 10 according to the invention. According to this embodiment, the whole of the tail 22 of the brush is also twisted in the same direction. However, 22 of the brush comprises a first twisted zone 22a according to a first step, for example the same step as the empoiled portion of the soul. The second twisted zone 22b of the tail this time a step different from the step of the first twisted zone but it is not constant throughout this zone. It increases gradually since the first twisted zone until the end of the soul.

Dans ces deux derniers modes de réalisation, tout mouvement de rotation relatif de la brosse par rapport à la tige est également impossible sans déformation importante de la tige, car le pas de la zone torsadée de la queue de la brosse n'est pas constant et ne permet pas un dévissage. En outre, la présence de la zone torsadée dans la tige permet également un bon maintien axial. La brosse est là encore très fortement maintenue dans la tige.In these last two embodiments, any rotational movement of the brush relative to the stem is also impossible without significant deformation of the stem, because the pitch of the twisted area of the tail of the brush is not constant and does not allow unscrewing. In addition, the presence of the twisted zone in the stem also allows good support axial. The brush is again very strongly maintained in the stem.

A la figure 4 on a représenté une variante de réalisation de l'applicateur illustré à la figure 1. Selon cette variante, la brosse 40 se distingue de la brosse selon la figure 1 en ce qu'elle est du type "brosse gauche", les spires de la portion empoilée 21 de l'âme torsadée montant de la gauche vers la droite lorsque la brosse est vue de face en position verticale. En ce qui concerne les avantages résultant d'une âme torsadée à gauche, on pourra utilement se reporter au brevet US 6 227 735.In Figure 4 there is shown an alternative embodiment of the illustrated applicator In this variant, the brush 40 differs from the brush according to Figure 1 in that it is of the "left brush" type, the turns of the portion empoilée 21 of the twisted soul rising from left to right when the brush is seen from the front in vertical position. Regarding the benefits resulting from a twisted soul on the left, we can usefully refer to U.S. Patent 6,227,735.

La brosse selon la variante de la figure 5 se distingue de la brosse selon la figure 1 en ce que la portion empoilée 21 de l'âme torsadée 20 est courbe, la courbure correspondant sensiblement à la courbure de la ligne d'implantation des cils sur la paupière. La queue de l'âme est toujours droite.The brush according to the variant of Figure 5 differs from the brush according to the 1 in that the empoilated portion 21 of the twisted core 20 is curved, the curvature substantially corresponding to the curvature of the implantation line eyelashes on the eyelid. The tail of the soul is always right.

A la figure 6, est représenté un ensemble de conditionnement et d'application 100, équipé d'un dispositif d'application 10 du type de ceux décrits précédemment en référence aux figures 1 à 5. L'ensemble 100 comporte un récipient 50 contenant une réserve de produit cosmétique tel que du mascara et un applicateur 10. L'applicateur 10 comprend un dispositif d'application du type brosse torsadée, fixé à une extrémité d'une tige 30 d'axe X. L'autre extrémité de la tige 30 est solidaire d'un élément de préhension 60 qui constitue également un capuchon de fermeture du récipient 50. Le récipient 50 comporte un organe d'essorage 70 constitué ici par un manchon cylindrique dont une extrémité se termine par une lèvre annulaire, souple, 71. En position montée de l'applicateur 10 sur le récipient 50, le dispositif d'application 10 se trouve dans son intégralité entre la lèvre d'essorage 71 et le fond du récipient. D'autres types d'organes d'essorage peuvent être utilisés, par exemple un bloc de mousse à cellules ouvertes ou semi ouvertes, traversé axialement par une fente ou un passage, dont les bords qui la délimitent sont sensiblement jointifs en l'absence de contrainte.In Figure 6, there is shown a set of packaging and application 100, equipped with an application device 10 of the type of those described previously with reference to FIGS. 1 to 5. The assembly 100 comprises a container 50 containing a reserve of cosmetic product such as mascara and an applicator 10. The applicator 10 comprises an application device of the type twisted brush attached to one end of an X axis shank. The other end of the rod 30 is secured to a gripping element 60 which also constitutes a closing cap of the container 50. The container 50 comprises an organ wiper 70 constituted here by a cylindrical sleeve, one end of which terminates with an annular, flexible lip 71. In the mounted position of the applicator 10 on the container 50, the application device 10 is in its entirety between the squeezing lip 71 and the bottom of the container. Other types of organs may be used, for example a cell foam block open or semi-open, axially crossed by a slot or a passage, whose edges which delimit it are substantially joined in the absence of constraint.

En vue d'utiliser l'applicateur, l'utilisatrice dévisse le capuchon formé par l'organe de préhension 60, et extrait l'applicateur 10 du récipient 50. Ce faisant, le dispositif d'application 10 est amené à passer au travers de l'organe d'essorage 70, de manière à doser la quantité de produit répartie sur les poils. Le mouvement d'extraction de l'applicateur est de direction sensiblement longitudinale à l'axe X. Après usage, l'utilisatrice remet l'applicateur dans le récipient, en faisant à nouveau passer le dispositif d'application 10 au travers de l'organe d'essorage 70.In order to use the applicator, the user unscrews the cap formed by the gripping member 60, and extracting the applicator 10 from the container 50. In so doing, the application device 10 is passed through the organ wiper 70, so as to dose the amount of product distributed on the bristles. The extraction movement of the applicator is of substantially direction Longitudinal axis X. After use, the user puts the applicator back into the container, again passing the application device 10 through the wiper member 70.

Dans la description détaillée qui précède, il a été fait référence à des modes de réalisation préférés de l'invention. Il est évident que des variantes peuvent y être apportées sans s'écarter de l'invention telle que revendiquée ci-après. En particulier, la section transversale de la brosse perpendiculairement à l'axe X peut être de toute autre forme que circulaire, notamment polygonale, par exemple carrée, triangulaire, pentagonale, etc... De même, la section transversale des poils peut être de différentes formes, la brosse pouvant comporter des poils d'un seul type de section, ou des poils de différentes sections, en mélange.In the above detailed description, reference has been made to modes of preferred embodiment of the invention. It is obvious that variants can to be made without departing from the invention as claimed hereinafter. In particular, the cross section of the brush perpendicular to the X axis can be of any other form than circular, in particular polygonal, by example square, triangular, pentagonal, etc. ... Similarly, the section transverse of the bristles can be of different shapes, the brush being have bristles of a single type of section, or bristles of different sections, mixed.

Claims (14)

Applicateur (10) de produit cosmétique, notamment de mascara, comprenant une âme (20) torsadée présentant : une première portion (21) qui emprisonne des poils disposés de manière radiale relativement à l'âme, et une seconde portion (22) fixée dans une tige, la seconde portion (22) de l'âme étant formée d'au moins deux zones torsadées (22a ; 22b) ayant un sens et/ou un pas différent.An applicator (10) for a cosmetic product, in particular mascara, comprising a twisted core (20) having: a first portion (21) which traps bristles arranged radially relative to the core, and a second portion (22) fixed in a rod, the second portion (22) of the core being formed of at least two twisted zones (22a; 22b) having a different direction and / or pitch. Applicateur selon la revendication 1, caractérisé en ce que la zone torsadée (22a) de la seconde portion (22) de l'âme contiguë à la portion empoilée (21) est torsadée dans le même sens que la portion empoilée (21).Applicator according to claim 1, characterized in that the twisted zone (22a) of the second portion (22) of the core adjacent to the empoilée portion (21) is twisted in the same direction as the empoilée portion (21). Applicateur selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que la zone torsadée (22a) de la seconde portion (22) de l'âme contiguë à la portion empoilée (21) est torsadée selon le même pas que la portion empoilée (21).Applicator according to any one of claims 1 or 2, characterized in that the twisted zone (22a) of the second portion (22) of the core contiguous to the empoilée portion (21) is twisted in the same pitch as the portion empoilée (21). Applicateur selon l'une quelconque des revendications précédentes, caractérisé en ce que la seconde portion (22) de l'âme est formée par une zone torsadée d'un premier pas et par une zone torsadée d'un deuxième pas différent du premier.Applicator according to any one of the preceding claims, characterized in that the second portion (22) of the core is formed by a twisted zone of a first pitch and by a twisted zone of a second pitch different from the first. Applicateur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la seconde portion (22) de l'âme est formée par une zone torsadée dont le pas augmente progressivement entre une première extrémité contiguë à la portion empoilée (21) de l'âme et une seconde extrémité opposée à la première.Applicator according to any one of claims 1 to 3, characterized in that the second portion (22) of the core is formed by a twisted zone whose pitch increases progressively between a first end contiguous to the empoiled portion (21) of the soul and a second end opposite to the first. Applicateur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la seconde portion (22) de l'âme est formée par une zone torsadée dont le pas diminue progressivement entre une première extrémité contiguë à la portion empoilée (21) de l'âme et une seconde extrémité opposée à la première.Applicator according to any one of claims 1 to 3, characterized in that the second portion (22) of the core is formed by a twisted zone whose pitch gradually decreases between a first end contiguous to the empoilated portion (21) of the soul and a second end opposite to the first. Applicateur selon l'une quelconque des revendications précédentes, caractérisé en ce que l'ensemble de l'âme est formée à partir de deux branches d'un fil de fer.Applicator according to any one of the preceding claims, characterized in that the entire core is formed from two branches of a wire. Applicateur selon l'une quelconque des revendications précédentes, la portion empoilée (21) de l'âme présente une pluralité de spires montant de la gauche vers la droite lorsque l'applicateur est vu de face en position verticale.Applicator according to any one of the preceding claims, the empoiled portion (21) of the core has a plurality of turns rising from the left to the right when the applicator is seen from the front in a vertical position. Applicateur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la portion empoilée (21) de l'âme présente une pluralité de spires montant de la droite vers la gauche lorsque l'applicateur est vu de face en position verticale.Applicator according to any one of claims 1 to 7, characterized in that the empoilée portion (21) of the core has a plurality of turns rising from the right to the left when the applicator is seen from the front in vertical position. Applicateur selon l'une quelconque des revendications précédentes, caractérisé en ce que la portion empoilée (21) de l'âme est rectiligne.Applicator according to any one of the preceding claims, characterized in that the empoilée portion (21) of the core is rectilinear. Applicateur selon l'une quelconque des revendications précédentes, caractérisé en ce que la portion empoilée (21) de l'âme est courbe.Applicator according to any one of the preceding claims, characterized in that the empoilated portion (21) of the core is curved. Applicateur selon l'une quelconque des revendications précédentes, caractérisé en ce que la tige est solidaire d'un organe de préhension.Applicator according to any one of the preceding claims, characterized in that the rod is secured to a gripping member. Applicateur selon l'une quelconque des revendications précédentes, caractérisé en ce que les poils forment une brosse (40) de section transversale circulaire, ou polygonale, notamment triangulaire, carrée, ou pentagonale.Applicator according to any one of the preceding claims, characterized in that the bristles form a brush (40) of circular cross section, or polygonal, in particular triangular, square, or pentagonal. Ensemble (100) pour le conditionnement et l'application d'un produit sur les fibres kératiniques, notamment les cils ou les sourcils, comprenant un récipient (50) contenant le produit, ledit récipient délimitant une ouverture au voisinage de laquelle est disposé un organe d'essorage (60), ledit ensemble étant équipé d'un applicateur (10) selon l'une quelconque des revendications qui précèdent.Set (100) for packaging and applying a product on keratinous fibers, in particular eyelashes or eyebrows, comprising a container (50) containing the product, said container defining an opening at the vicinity of which is a wiper member (60), said assembly being equipped with an applicator (10) according to any one of the claims which precede.
EP04291735A 2003-08-29 2004-07-08 Applicator for cosmetic substances Not-in-force EP1510149B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0310293 2003-08-29
FR0310293A FR2859082B1 (en) 2003-08-29 2003-08-29 COSMETIC PRODUCT APPLICATOR

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EP1510149A1 true EP1510149A1 (en) 2005-03-02
EP1510149B1 EP1510149B1 (en) 2006-11-08

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EP (1) EP1510149B1 (en)
JP (1) JP4018680B2 (en)
CN (1) CN1292689C (en)
AT (1) ATE344628T1 (en)
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DE (1) DE602004003104T2 (en)
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US6408857B1 (en) * 2000-07-19 2002-06-25 Color Access, Inc. Combination cosmetic applicator brush and comb

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1836924A1 (en) * 2006-03-22 2007-09-26 L'oreal Mascara brush
FR2898782A1 (en) * 2006-03-22 2007-09-28 Oreal MASCARA BRUSH
US8091561B2 (en) 2006-03-22 2012-01-10 L'oreal S.A. Mascara brush
FR2953379A1 (en) * 2009-12-08 2011-06-10 Oreal APPLICATOR FOR APPLYING A PRODUCT ON THE LASHES AND / OR THE EYE
EP2332443A1 (en) * 2009-12-08 2011-06-15 L'Oréal Applicator for applying a product to eyelashes and/or eyebrows
US8684616B2 (en) 2009-12-08 2014-04-01 L'oreal Applicator for applying a composition to the eyelashes and/or the eyebrows
US20170258214A1 (en) * 2016-03-11 2017-09-14 Sanderson-Macleod, Inc. Twisted in wire brush having a molded tip and method of assembly therefor
US10463142B2 (en) * 2016-03-11 2019-11-05 Sanderson-Macleod, Inc. Twisted in wire brush having a molded tip and method of assembly therefor
US11304504B2 (en) 2016-03-11 2022-04-19 Sanderson-Macleod, Inc. Twisted in wire brush having a molded tip and method of assembly therefor
US11304505B2 (en) 2019-03-13 2022-04-19 Sanderson-Macleod, Inc. Brush assembly and method of manufacturing a brush
US11311095B2 (en) 2019-03-13 2022-04-26 Sanderson-Macleod, Inc. Brush assembly and method of manufacturing a brush
US11857065B2 (en) 2019-03-13 2024-01-02 Sanderson-Macleod, Inc. Brush assembly and method of manufacturing a brush

Also Published As

Publication number Publication date
ES2275191T3 (en) 2007-06-01
DE602004003104T2 (en) 2007-04-05
JP4018680B2 (en) 2007-12-05
BRPI0403040A (en) 2005-04-12
ATE344628T1 (en) 2006-11-15
EP1510149B1 (en) 2006-11-08
US20050066990A1 (en) 2005-03-31
FR2859082B1 (en) 2006-11-24
DE602004003104D1 (en) 2006-12-21
CN1589698A (en) 2005-03-09
CN1292689C (en) 2007-01-03
US7089946B2 (en) 2006-08-15
JP2005074223A (en) 2005-03-24
FR2859082A1 (en) 2005-03-04

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