EP0574572B1 - Brush with reduced number of bristles for the application of mascara to the eyelashes - Google Patents
Brush with reduced number of bristles for the application of mascara to the eyelashes Download PDFInfo
- Publication number
- EP0574572B1 EP0574572B1 EP93902333A EP93902333A EP0574572B1 EP 0574572 B1 EP0574572 B1 EP 0574572B1 EP 93902333 A EP93902333 A EP 93902333A EP 93902333 A EP93902333 A EP 93902333A EP 0574572 B1 EP0574572 B1 EP 0574572B1
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- EP
- European Patent Office
- Prior art keywords
- brush
- bristles
- brush according
- diameter
- peripheral surface
- 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
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Classifications
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- 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
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- 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
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- 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 brush intended for making up the eyelashes by means of an eyelash enhancing product also called mascara.
- the usual brushes of this type generally comprise relatively long bristles arranged in a helical sheet around a core constituted by a twisted wire. The importance of the stacking of the brush is measured by the number of bristles constituting a turn of the helical sheet of angular opening equal to 360 °.
- a mascara applicator generally comprises a mascara reservoir and a removable cap, which is intended to close the reservoir and which constitutes a handle making it possible to manipulate a makeup brush carried by the end of a rod integral with said cap.
- the rod and the brush, which is associated with it plunge into the tank; when the rod is removed from the reservoir, a certain amount of mascara is taken from the brush which can then be applied to the eyelashes.
- the brush enters the interior of the reservoir through a substantially circular orifice bordered by a flexible lip, the role of which is to exert a wringing action on the bristles of the brush in order to remove the excess product of makeup removed by the brush inside the tank.
- the diameter of this circular orifice is less than the diameter of the brush measured at the top of the bristles so that the flexible lip, which borders the orifice, can exert its wiping action during the extraction of the brush from the reservoir.
- the bristles of the brush being relatively flexible and being arranged with a relatively high density in the helical sheet of bristles, lie in the direction of the core at the time of the passage of the sheet through the wiping lip and, in this deformation, they go so far as to cause the "hair" of the hairs of the adjacent coil, where it follows that the makeup product tends to accumulate in the region of the brush situated just around the core.
- the user can hardly obtain, in a single pass of the brush, a perfectly regular and homogeneous coating of the eyelashes with the makeup product, the latter having in effect to gradually migrate towards the ends of the hairs initially lightly loaded with product; such migration takes place incidentally randomly. This results in heterogeneous and generally light makeup.
- the helical sheet produced is a monolayer of bristles each arranged substantially radially and defining a regular helical surface. In such a monolayer sheet, it has been found that using the conventional industrial method of manufacturing brushes of this type, two adjacent bristles of the helical surface formed between them an angle which varied little, in particular by less than 20%, one hair to another from the surface.
- This unexpected phenomenon is particularly advantageous when choosing a number of turns per unit of brush length and an external diameter of the brush such that at the periphery of the brush, the ends of the brush bristles are practically all equidistant from each other. others with a small error percentage. It can of course be provided for this equidistance of the ends of the bristles to be obtained only for an area of the brush, either that the brush comprises at least one conical zone, or that the brush is cut by milling in a zone of its peripheral surface lying substantially between two radial planes; in other words, the cross section of the peripheral surface of such a brush can have any shape.
- the conventional industrial manufacturing process of mascara brushes of this type consists, in a first step, in folding, with a hairpin, an iron wire; in a second step, to engage between the two branches of the hairpin a series of tufts of bristles which are brought into position by means of a comb whose edge is formed of successive slots, the bristles of the brush being arranged in said slots perpendicular to the mean plane of the comb; in a third step, to grasp the two ends of the hairpin thus loaded with tufts of hair and to cause a relative rotation of the ends so as to form the turns of the wire which constitutes the core of the brush.
- the bristles distributed in identical tufts over the entire length of the brush, slide over the core wire during twisting, so that the final distribution of the number of bristles per turn is regular from one end to the other of the brush.
- the present invention therefore has for its object a brush for applying mascara to the eyelashes, constituted by a core formed from a twisted metal wire, the twists of which trap the bristles of the brush, said bristles being arranged in a substantially regular manner between said twists, and having a cross section included in a circular envelope, the diameter of which is between 0.12 and 0.25 mm, characterized in that the number of bristles per turn is between 5 and 9, said bristles forming substantially a single-layer helical ply, in which each bristle has a substantially radial orientation, the angle between two adjacent bristles of the ply being substantially constant to about 20%.
- the bristles of the brush according to the invention may have a cross section of any shape, and in particular a circular, square, rectangular, hexagonal, octagonal or oval section.
- the core wire has a diameter of between 0.2 and 0.9 mm; the pitch of a turn of the helical sheet is generally between 1.5 and 3.5 mm.
- the maximum diameter of the peripheral surface of the brush is advantageously between 5 and 12 mm; the peripheral surface of the brush is defined as being the surface on which all the ends of the bristles of the brush are found.
- the peripheral surface of the brush is cylindro-conical, conical, cylindrical or in the shape of a bud; advantageously, the cross section of the peripheral surface of the brush is then circular.
- the cross section of the peripheral surface of the brush is, at least in certain areas of the brush, defined by a curve whose distance from the trace of the core in said cross section is not constant.
- the conventional manufacturing process makes it possible to obtain a cylindrical brush, the peripheral surface of which is conformed as desired by grinding and / or milling.
- the ends of at least part of the bristles of the brush can therefore be ground to have the particular conformations which can be imparted by grinding at the ends of the bristles.
- the distance from the ends of two adjacent bristles of the helical sheet of bristles is substantially equal to the pitch of a turn of the helical sheet of bristles in said area.
- the number of bristles per turn is constant.
- the peripheral surface of which is a surface of revolution whose cross section has a variable diameter it can be provided that the number of bristles per turn is an increasing function of said diameter.
- the sizing of the brushes according to the invention is such that the minimum distance between the ends of 2 adjacent bristles is at least 0.8 mm, it being understood that this distance can vary over the same brush according to the shape and size of the peripheral surface of said brush.
- the core of the brush consists of a twist of a wire 1 of circular cross section and diameter 0.5 mm. In their twist of wire are trapped by their central area hairs made of Nylon-6.10 having a solid circular cross section with a diameter of 0.15 mm.
- Each bristle, designated by the reference 2 is gripped in its central part by the twisted wire 1 and the set of bristles defines a single-layer helical sheet, the bristles being regularly spaced from each other, that is to say that 'A bristle 2 forms with the adjacent bristles an angle which is constant to within 20% all along the helical sheet formed.
- the manufacture of such a brush is carried out by the implementation of the conventional manufacturing process which is used industrially for all types of brush with twisted core.
- the core wire 1 is bent in the form of a hairpin. Tufts of bristles are placed in the slots 3a of a comb 3.
- the pin is made to slide constituted by the wire 1 relative to the comb 3, so that the protruding parts of the tufts of bristles 2 are positioned between the two branches of the pin, the plane of the two branches of the pin being substantially the median transverse plane of all of the tufts of hair 2.
- the desired brush has a length of 26 mm.
- a comb 3 was used, consisting of a 4 mm thick steel blade having 18 slots 3a each having a width of 1 mm, two successive slots being separated by rectangular teeth having a width of 0.7 mm.
- the slots about 12 bristles 2 are put in place, each having a length of 20 mm, and the procedure is as indicated above to obtain a brush according to the invention.
- This brush has 20 turns and 9 bristles per turn; each turn of the helical sheet therefore occupies 0.5 mm along the length of the brush.
- the brush is ground or mowed to give it a cylindro-conical shape, the cylindrical part of which constitutes the peripheral surface part which has the maximum diameter; this maximum diameter is 7.5 mm.
- the bristles of the brush are made of polyamide 6-10 as previously indicated but the bristles of the brush according to the invention can also be made of polyamide 6-6 or polyamide 6-12 or polyamide 6 or polyamide 11 or in polyester or polytetrafluoroethylene. These raw materials may or may not be added with agents improving the sliding and wettability characteristics of the material.
- the ends of the bristles 2 are substantially equidistant from each other on the cylindrical peripheral surface of the brush. It is very clear that this equidistance is no longer observed on the conical part of the peripheral surface of the brush since the outside diameter of the brush decreases while the number of bristles per turn is kept constant. In a variant, one could, of course, consider reducing the number of bristles per turn as the outside diameter of the brush is reduced on the conical part of the latter so as to maintain the equidistance of the ends hairs.
- the makeup obtained with such a brush is of perfect quality because the eyelashes can penetrate between the bristles of the brush so that the brush performs a function of combing the eyelashes.
- the load of mascara product is smoothed over the entire length of the eyelash, taken in isolation, which makes it possible to have an eyelash lengthening effect.
- the load of makeup product on the eyelash can be high because the eyelash can penetrate the brush as far as the vicinity of the core, that is to say in the least wrung area of the brush, therefore in the area where the greatest amount of makeup is found.
- the constancy of the spacing of the bristles whatever the angle formed between the eyelashes and the axis of the brush makes it possible to obtain a perfectly homogeneous makeup.
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Abstract
Description
La présente invention concerne une brosse destinée au maquillage des cils au moyen d'un produit renforçateur de cils encore appelé mascara.The present invention relates to a brush intended for making up the eyelashes by means of an eyelash enhancing product also called mascara.
Les brosses usuelles de ce type comportent généralement des poils relativement longs disposés en nappe hélicoïdale autour d'une âme constituée par un fil de fer torsadé. L'importance de l'empoilage de la brosse se mesure par le nombre de poils constituant une spire de la nappe hélicoïdale d'ouverture angulaire égale à 360°.The usual brushes of this type generally comprise relatively long bristles arranged in a helical sheet around a core constituted by a twisted wire. The importance of the stacking of the brush is measured by the number of bristles constituting a turn of the helical sheet of angular opening equal to 360 °.
Dans l'état de la technique, on utilisait des poils relativement souples de façon à donner à la brosse une caractéristique d'ensemble de souplesse appropriée ; étant donné qu'il s'agit de maquiller un support aussi délicat que des cils, le diamètre maximal des poils était généralement de l'ordre de 0,08 mm ; les poils utilisés étaient généralement en polyamide. Dans ce cas, étant donné que les poils de faible diamètre ci-dessus indiqués ont par eux-mêmes une très faible rigidité, on assurait le prélèvement d'une quantité suffisante de mascara et un brossage correct des cils au moment de l'application en adoptant une quantité de poils par spire toujours supérieure à 50 de façon que la nappe hélicoïdale soit suffisamment épaisse pour obtenir le résultat désiré. La nappe hélicoïdale de poils avait généralement un pas d'environ 2 mm et dans l'épaisseur de la nappe, les poils étaient sensiblement parallèles.In the prior art, relatively flexible bristles were used so as to give the brush an overall characteristic of appropriate flexibility; since it is a question of making up a support as delicate as eyelashes, the maximum diameter of the hairs was generally of the order of 0.08 mm; the bristles used were generally made of polyamide. In this case, since the bristles of small diameter indicated above have by themselves very low rigidity, it was ensured that a sufficient quantity of mascara was removed and that the eyelashes were brushed correctly at the time of application. adopting a quantity of bristles per turn always greater than 50 so that the helical sheet is thick enough to obtain the desired result. The helical ply of bristles generally had a pitch of about 2 mm and in the thickness of the ply, the bristles were substantially parallel.
Il est apparu cependant que de telles brosses n'assuraient pas à l'usage une bonne répartition du produit de maquillage sur les cils. En effet, en pratique, le mascara se trouve souvent mis en place sur les cils par paquet, sans aucune homogénéité, ce qui oblige l'utilisatrice à effectuer des brossages répétés jusqu'à obtention d'un revêtement à peu près régulier des cils. Cet inconvénient provient, en premier lieu, du fait que ces brosses comportent un grand nombre de poils serrés les uns contre les autres dans la nappe hélicoïdale de sorte qu'au moment de l'application, les cils dont le diamètre est généralement compris entre 0,08 et 0,12 mm ne peuvent pas traverser la nappe de poils et ne peuvent passer que dans les intervalles entre les spires successives de la nappe hélicoïdale de poils. Les cils ne peuvent donc pas être séparés les uns des autres au moment de l'application, comme il serait souhaitable. Mais ledit inconvénient provient, en outre, en second lieu, du fait qu'au moment où une telle brosse de l'état de la technique prélève le mascara, celui-ci se répartit mal sur la brosse. En effet, un applicateur de mascara comporte généralement un réservoir de mascara et un capuchon amovible, qui est destiné à fermer le réservoir et qui constitue un manche permettant de manipuler une brosse de maquillage portée par l'extrémité d'une tige solidaire dudit capuchon. En position de fermeture du réservoir, la tige et la brosse, qui lui est associée, plongent dans le réservoir ; lorsque l'on retire la tige du réservoir, on prélève sur la brosse une certaine quantité de mascara que l'on peut alors appliquer sur les cils. La brosse pénètre à l'intérieur du réservoir par un orifice sensiblement circulaire bordé par une lèvre souple, dont le rôle est d'exercer une action d'essorage sur les poils de la brosse dans le but d'éliminer l'excès de produit de maquillage prélevé par la brosse à l'intérieur du réservoir. Le diamètre de cet orifice circulaire est inférieur au diamètre de la brosse mesuré au sommet des poils de façon que la lèvre souple, qui borde l'orifice, puisse exercer son action d'essorage lors de l'extraction de la brosse hors du réservoir. Les poils de la brosse, étant relativement souples et étant disposés avec une relativement grande densité dans la nappe hélicoïdale de poils, se couchent en direction de l'âme au moment du passage de la nappe à travers la lèvre d'essorage et, dans cette déformation, ils vont jusqu'à provoquer le "couchage" des poils de la spire adjacente, d'où il résulte que le produit de maquillage a tendance à s'accumuler dans la région de la brosse située juste autour de l'âme. Dans ces conditions, au moment de l'application, l'utilisatrice pourra difficilement obtenir, en un seul passage de la brosse, un revêtement parfaitement régulier et homogène des cils par le produit de maquillage, celui-ci devant en effet migrer progressivement vers les extrémités des poils initialement peu chargées en produit ; une telle migration se fait d'ailleurs de façon aléatoire. Il en résulte un maquillage hétérogène et généralement peu chargé.However, it appeared that such brushes did not ensure good use of the makeup product on the eyelashes during use. Indeed, in practice, the mascara is often placed on the eyelashes in packs, without any homogeneity, which requires the user to perform repeated brushing until obtaining an almost regular coating of the eyelashes. This drawback comes, firstly, from the fact that these brushes have a large number of bristles tight against each other in the helical sheet so that at the time of application, the eyelashes, the diameter of which is generally between 0 , 08 and 0.12 mm cannot pass through the pile of hairs and can only pass through the intervals between successive turns of the helical layer of bristles. The eyelashes therefore cannot be separated from each other at the time of application, as would be desirable. However, said drawback also comes, secondly, from the fact that at the moment when such a brush of the state of the art picks up the mascara, the latter is poorly distributed over the brush. In fact, a mascara applicator generally comprises a mascara reservoir and a removable cap, which is intended to close the reservoir and which constitutes a handle making it possible to manipulate a makeup brush carried by the end of a rod integral with said cap. In the tank closed position, the rod and the brush, which is associated with it, plunge into the tank; when the rod is removed from the reservoir, a certain amount of mascara is taken from the brush which can then be applied to the eyelashes. The brush enters the interior of the reservoir through a substantially circular orifice bordered by a flexible lip, the role of which is to exert a wringing action on the bristles of the brush in order to remove the excess product of makeup removed by the brush inside the tank. The diameter of this circular orifice is less than the diameter of the brush measured at the top of the bristles so that the flexible lip, which borders the orifice, can exert its wiping action during the extraction of the brush from the reservoir. The bristles of the brush, being relatively flexible and being arranged with a relatively high density in the helical sheet of bristles, lie in the direction of the core at the time of the passage of the sheet through the wiping lip and, in this deformation, they go so far as to cause the "hair" of the hairs of the adjacent coil, where it follows that the makeup product tends to accumulate in the region of the brush situated just around the core. Under these conditions, at the time of application, the user can hardly obtain, in a single pass of the brush, a perfectly regular and homogeneous coating of the eyelashes with the makeup product, the latter having in effect to gradually migrate towards the ends of the hairs initially lightly loaded with product; such migration takes place incidentally randomly. This results in heterogeneous and generally light makeup.
Dans le brevet français 2 607 373, qui représente le préambule de la revendication 1, on a déjà proposé une brosse de maquillage améliorée permettant de remédier aux inconvénients précités. On a, en effet, proposé d'utiliser des poils de diamètre plus important et de faire en sorte que ces poils soient beaucoup plus espacés les uns des autres en utilisant un faible nombre de poils par spire. La brosse ainsi proposée est donc constituée de poils plus clairsemés et plus durs ; elle est plus dure au toucher mais ne donne pas pour autant une impression de dureté au moment du maquillage. La réduction du nombre de poils par spire entraîne la possibilité pour les poils de la nappe hélicoïdale situés sensiblement dans un même plan radial de la brosse de prendre aléatoirement, à partir de la zone où ils sont serrés entre les spires, du fil de fer qui constitue l'âme, un écart angulaire par rapport à la surface hélicoïdale moyenne de la nappe hélicoïdale de poils ; en d'autres termes, la bordure de la nappe hélicoïdale de poils devient d'autant plus large que le nombre de poils par spire est plus réduit. On a constaté que l'on pouvait ainsi obtenir des brosses pour lesquelles la nappe hélicoïdale devenait peu perceptible, les poils d'une spire de la nappe hélicoïdale pouvant venir au voisinage des poils de la spire adjacente de la même nappe hélicoïdale en raison de l'écart angulaire aléatoire pris par les poils dans leur zone de serrage. Ce résultat particulier a été obtenu lorsque les poils ont un diamètre compris entre 0,10 et 0,25 mm et que le nombre de poils par spire est compris entre 10 et 40. On a constaté que ces brosses perfectionnées amélioraient l'uniformité du chargement en produit de maquillage des poils de la brosse, depuis leur base jusqu'à leur pointe, et amélioraient, en outre, le peignage des cils pendant le maquillage, en raison, d'une part, de la plus grande fermeté des poils, dont le diamètre était accru, et, d'autre part, de leur écartement spatial dû à la disparition de l'effet de spire.In French patent 2 607 373, which represents the preamble of claim 1, an improved makeup brush has already been proposed making it possible to remedy the aforementioned drawbacks. It has, in fact, been proposed to use bristles of larger diameter and to ensure that these bristles are much more spaced from each other by using a small number of bristles per turn. The brush thus proposed therefore consists of more sparse and harder bristles; it is harder to the touch but does not give an impression of hardness during makeup. The reduction in the number of bristles per turn leads to the possibility for the hairs of the helical sheet situated substantially in the same radial plane of the brush to take randomly, from the zone where they are clamped between the turns, wire which constitutes the core, an angular deviation from the mean helical surface of the helical sheet of bristles; in other words, the edge of the helical layer of bristles becomes wider the smaller the number of bristles per turn. It was found that it was thus possible to obtain brushes for which the helical sheet became barely perceptible, the bristles of a turn of the helical sheet being able to come in the vicinity of the bristles of the adjacent turn of the same helical sheet because of the random angular deviation taken by the bristles in their clamping zone. This particular result was obtained when the bristles have a diameter of between 0.10 and 0.25 mm and the number of bristles per turn is between 10 and 40. It has been found that these improved brushes improve the uniformity of loading in make-up product for the bristles of the brush, from their base to their tip, and also improved the combing of the eyelashes during makeup, due, on the one hand, to the greater firmness of the bristles, of which the diameter was increased, and, on the other hand, their spatial spacing due to the disappearance of the whorl effect.
Selon cette invention, il était admis que l'on ne pouvait pas réduire l'empoilage de la brosse au dessous de 10 poils par spire en raison du fait que le "hérisson" constitué par une telle brosse aurait été trop peu fourni pour permettre un maquillage satisfaisant, les cils pouvant alors traverser la brosse sans pratiquement toucher un poil chargé de produit. Cette limite inférieure de l'empoilage d'une brosse était, en outre, communément admise en raison du fait que l'homme de métier pensait que la réduction de l'empoilage d'une brosse du type ci-dessus défini entraînait toujours la disparition de l'effet de spire et l'apparition d'une brosse de type "hérisson" due à un écart angulaire aléatoire des poils par rapport à la surface hélicoïdale moyenne de la nappe de poils ; il était, d'ailleurs, apparu que cet effet était croissant lorsque le nombre de poils par spire diminuait pour un diamètre de poils donné.According to this invention, it was recognized that the stacking of the brush could not be reduced below 10 bristles per turn due to the fact that the "hedgehog" constituted by such a brush would have was too little supplied to allow satisfactory makeup, the eyelashes can then pass through the brush without practically touching a hair loaded with product. This lower limit of the stacking of a brush was, moreover, commonly accepted due to the fact that the skilled person thought that the reduction of the stacking of a brush of the type defined above always resulted in the disappearance the turn effect and the appearance of a "hedgehog" type brush due to a random angular deviation of the bristles relative to the mean helical surface of the ply of bristles; moreover, it appeared that this effect was increasing when the number of hairs per turn decreased for a given hair diameter.
On a maintenant constaté que, contrairement à ce que l'homme de métier était en droit d'attendre, il se produit, lorsque l'on réduit le nombre de poils par spire d'une brosse de ce type au dessous de 10, un phénomène nouveau tout à fait inattendu. En effet, on a constaté, selon l'invention, que, pour des poils ayant un diamètre compris entre 0,12 et 0,25 mm et avec un fil d'âme ayant un diamètre compris entre 0,2 et 0,9 mm, l'effet de spire réapparaissait lorsque le nombre de poils par spire est compris entre 5 et 9. Mais dans un tel cas, contrairement aux brosses de l'état de la technique dans lesquelles la nappe hélicoïdale de poils comporte dans son épaisseur une pluralité de poils, la nappe hélicoïdale réalisée est une monocouche de poils disposés chacun sensiblement radialement et définissant une surface hélicoïdale régulière. Dans une telle nappe monocouche, on a constaté qu'en utilisant le procédé industriel classique de fabrication des brosses de ce type, deux poils adjacents de la surface hélicoïdale formaient entre eux un angle qui variait peu, notamment de moins de 20 %, d'un poil à l'autre de la surface.It has now been found that, contrary to what the skilled person was entitled to expect, it occurs, when the number of bristles per turn of a brush of this type is reduced to below 10, a A completely unexpected new phenomenon. Indeed, it has been found, according to the invention, that for bristles having a diameter between 0.12 and 0.25 mm and with a core wire having a diameter between 0.2 and 0.9 mm , the turn effect reappeared when the number of bristles per turn is between 5 and 9. But in such a case, unlike the brushes of the prior art in which the helical layer of bristles has in its thickness a plurality of bristles, the helical sheet produced is a monolayer of bristles each arranged substantially radially and defining a regular helical surface. In such a monolayer sheet, it has been found that using the conventional industrial method of manufacturing brushes of this type, two adjacent bristles of the helical surface formed between them an angle which varied little, in particular by less than 20%, one hair to another from the surface.
Ce phénomène inattendu est particulièrement intéressant lorsque l'on choisit un nombre de spires par unité de longueur de brosse et un diamètre extérieur de brosse tels qu'à la périphérie de la brosse, les extrémités des poils de brosse soient pratiquement toutes équidistantes les unes des autres à un faible pourcentage d'erreur près. On peut bien entendu prévoir que cette équidistance des extrémités de poils soit obtenue uniquement pour une zone de la brosse, soit que la brosse comporte au moins une zone conique, soit que la brosse soit taillée par fraisage dans une zone de sa surface périphérique comprise sensiblement entre deux plans radiaux ; en d'autres termes, la section droite de la surface périphérique d'une telle brosse peut avoir une forme quelconque.This unexpected phenomenon is particularly advantageous when choosing a number of turns per unit of brush length and an external diameter of the brush such that at the periphery of the brush, the ends of the brush bristles are practically all equidistant from each other. others with a small error percentage. It can of course be provided for this equidistance of the ends of the bristles to be obtained only for an area of the brush, either that the brush comprises at least one conical zone, or that the brush is cut by milling in a zone of its peripheral surface lying substantially between two radial planes; in other words, the cross section of the peripheral surface of such a brush can have any shape.
Il est rappelé que le procédé de fabrication industriel classique des brosses de mascara de ce type consiste, dans une première étape, à replier, en épingle à cheveux, un fil de fer ; dans une deuxième étape, à engager entre les deux branches de l'épingle à cheveux une série de touffes de poils qui sont amenées en position au moyen d'un peigne dont la bordure est formée de créneaux successifs, les poils de la brosse étant disposés dans lesdits créneaux perpendiculairement au plan moyen du peigne ; dans une troisième étape, à saisir les deux extrémités de l'épingle à cheveux ainsi chargée de touffes de poils et à provoquer une rotation relative des extrémités de façon à former les spires du fil de fer qui constitue l'âme de la brosse. Dans cette rotation relative, les poils, répartis par touffes identiques sur toute la longeur de la brosse, glissent sur le fil d'âme en cours de torsadage, de façon que la répartition finale du nombre de poils par spire soit régulière d'un bout à l'autre de la brosse.It is recalled that the conventional industrial manufacturing process of mascara brushes of this type consists, in a first step, in folding, with a hairpin, an iron wire; in a second step, to engage between the two branches of the hairpin a series of tufts of bristles which are brought into position by means of a comb whose edge is formed of successive slots, the bristles of the brush being arranged in said slots perpendicular to the mean plane of the comb; in a third step, to grasp the two ends of the hairpin thus loaded with tufts of hair and to cause a relative rotation of the ends so as to form the turns of the wire which constitutes the core of the brush. In this relative rotation, the bristles, distributed in identical tufts over the entire length of the brush, slide over the core wire during twisting, so that the final distribution of the number of bristles per turn is regular from one end to the other of the brush.
La présente invention a, en conséquence, pour objet une brosse pour l'application de mascara sur les cils, constituée par une âme formée à partir d'un fil métallique torsadé dont les torsades emprisonnent entre elles les poils de la brosse, lesdits poils étant disposés de façon sensiblement régulière entre lesdites torsades, et ayant une section droite comprise dans une enveloppe circulaire, dont le diamètre est compris entre 0,12 et 0,25 mm, caractérisée par le fait que le nombre de poils par spire est compris entre 5 et 9, lesdits poils formant sensiblement une nappe hélicoïdale monocouche, dans laquelle chaque poil a une orientation sensiblement radiale, l'angle entre deux poils adjacents de la nappe étant sensiblement constant à environ 20 % près.The present invention therefore has for its object a brush for applying mascara to the eyelashes, constituted by a core formed from a twisted metal wire, the twists of which trap the bristles of the brush, said bristles being arranged in a substantially regular manner between said twists, and having a cross section included in a circular envelope, the diameter of which is between 0.12 and 0.25 mm, characterized in that the number of bristles per turn is between 5 and 9, said bristles forming substantially a single-layer helical ply, in which each bristle has a substantially radial orientation, the angle between two adjacent bristles of the ply being substantially constant to about 20%.
Les poils de la brosse selon l'invention peuvent avoir une section droite de forme quelconque, et notamment une section circulaire, carrée, rectangulaire, hexagonale, octogonale ou ovale.The bristles of the brush according to the invention may have a cross section of any shape, and in particular a circular, square, rectangular, hexagonal, octagonal or oval section.
Dans un mode préféré de réalisation, le fil de l'âme a un diamètre compris entre 0,2 et 0,9 mm ; le pas d'une spire de la nappe hélicoïdale est généralement compris entre 1,5 et 3,5 mm. Le diamètre maximum de la surface périphérique de la brosse est avantageusement compris entre 5 et 12 mm ; on définit la surface périphérique de la brosse comme étant la surface sur laquelle se trouve l'ensemble des extrémités des poils de la brosse.In a preferred embodiment, the core wire has a diameter of between 0.2 and 0.9 mm; the pitch of a turn of the helical sheet is generally between 1.5 and 3.5 mm. The maximum diameter of the peripheral surface of the brush is advantageously between 5 and 12 mm; the peripheral surface of the brush is defined as being the surface on which all the ends of the bristles of the brush are found.
Dans un premier mode de réalisation, la surface périphérique de la brosse est cylindro-conique, conique, cylindrique ou en forme de bourgeon ; avantageusement, la section droite de la surface périphérique de la brosse est alors circulaire. Dans un autre mode de réalisation, la section droite de la surface périphérique de la brosse est, au moins dans certaines zones de la brosse, définie par une courbe dont la distance à la trace de l'âme dans ladite section droite n'est pas constante. Dans tous les cas, le procédé de fabrication classique permet d'obtenir une brosse cylindrique, dont on conforme la surface périphérique à volonté par meulage et/ou fraisage. Sur les brosses selon l'invention, les extrémités d'au moins une partie des poils de la brosse peuvent donc être meulées pour avoir les conformations particulières susceptibles d'être conférées par meulage aux extrémités de poil.In a first embodiment, the peripheral surface of the brush is cylindro-conical, conical, cylindrical or in the shape of a bud; advantageously, the cross section of the peripheral surface of the brush is then circular. In another embodiment, the cross section of the peripheral surface of the brush is, at least in certain areas of the brush, defined by a curve whose distance from the trace of the core in said cross section is not constant. In all cases, the conventional manufacturing process makes it possible to obtain a cylindrical brush, the peripheral surface of which is conformed as desired by grinding and / or milling. On the brushes according to the invention, the ends of at least part of the bristles of the brush can therefore be ground to have the particular conformations which can be imparted by grinding at the ends of the bristles.
Dans un mode de réalisation préféré, on prévoit que, pour au moins une zone de la brosse, la distance des extrémités de deux poils adjacents de la nappe hélicoïdale de poils est sensiblement égale au pas d'une spire de la nappe hélicoïdale de poils dans ladite zone. Notamment pour une zone de brosse dont la surface périphérique est un cylindre de révolution, on préfère que le nombre de poils par spire soit constant. Pour une zone de brosse, dont la surface périphérique est une surface de révolution dont la section droite a un diamètre variable, on peut prévoir que le nombre de poils par spire soit une fonction croissante dudit diamètre. Avantageusement, le dimensionnement des brosses selon l'invention est tel que la distance minimum entre les extrémités de 2 poils adjacents est d'au moins 0,8 mm, étant entendu que cette distance peut varier sur une même brosse selon la forme et la dimension de la surface périphérique de ladite brosse.In a preferred embodiment, it is provided that, for at least one zone of the brush, the distance from the ends of two adjacent bristles of the helical sheet of bristles is substantially equal to the pitch of a turn of the helical sheet of bristles in said area. In particular for a brush zone whose peripheral surface is a cylinder of revolution, it is preferred that the number of bristles per turn is constant. For a brush area, the peripheral surface of which is a surface of revolution whose cross section has a variable diameter, it can be provided that the number of bristles per turn is an increasing function of said diameter. Advantageously, the sizing of the brushes according to the invention is such that the minimum distance between the ends of 2 adjacent bristles is at least 0.8 mm, it being understood that this distance can vary over the same brush according to the shape and size of the peripheral surface of said brush.
Pour mieux faire comprendre l'objet de l'invention, on va en décrire maintenant, à titre d'exemple purement illustratif et non limitatif, un mode de réalisation et de mise en oeuvre représenté sur le dessin annexé.To better understand the object of the invention, we will now describe, by way of purely illustrative and non-limiting example, an embodiment and implementation shown in the accompanying drawing.
Sur ce dessin :
- la figure 1 représente schématiquement une vue latérale d'une spire d'une brosse selon l'invention comportant 9 poils par spire ;
- la figure 2 représente schématiquement le peigne sur lequel on met en place les poils pour la fabrication de la brosse selon l'invention ainsi que le fil en épingle à cheveux, qui vient saisir les poils mis en place sur le peigne.
- Figure 1 schematically shows a side view of a turn of a brush according to the invention comprising 9 bristles per turn;
- FIG. 2 schematically represents the comb on which the bristles are put in place for the manufacture of the brush according to the invention as well as the hairpin wire, which comes to grip the hairs placed on the comb.
En se référant à la figure 1, on voit que l'on a représenté une brosse comportant 9 poils par spire. L'âme de la brosse est constituée par une torsade d'un fil de fer 1 de section droite circulaire et de diamètre 0,5 mm. Dans la torsade de fil de fer sont emprisonnés par leur zone centrale des poils en Nylon-6,10 ayant une section droite circulaire pleine d'un diamètre de 0,15 mm. Chaque poil, désigné par la référence 2, est saisi dans sa partie centrale par le fil 1 torsadé et l'ensemble des poils définit une nappe hélicoïdale monocouche, les poils étant régulièrement espacés les uns des autres, c'est-à-dire qu'un poil 2 forme avec les poils adjacents un angle qui est constant à 20 % près tout le long de la nappe hélicoïdale constituée.Referring to Figure 1, we see that there is shown a brush having 9 bristles per turn. The core of the brush consists of a twist of a wire 1 of circular cross section and diameter 0.5 mm. In their twist of wire are trapped by their central area hairs made of Nylon-6.10 having a solid circular cross section with a diameter of 0.15 mm. Each bristle, designated by the reference 2, is gripped in its central part by the twisted wire 1 and the set of bristles defines a single-layer helical sheet, the bristles being regularly spaced from each other, that is to say that 'A bristle 2 forms with the adjacent bristles an angle which is constant to within 20% all along the helical sheet formed.
La fabrication d'une telle brosse est réalisée par la mise en oeuvre du procédé de fabrication classique que l'on utilise industriellement pour tous les types de brosse à âme torsadée. Pour ce faire, dans une première étape, on plie en forme d'épingle à cheveux le fil d'âme 1. On met en place dans les créneaux 3a d'un peigne 3 des touffes de poils 2. On fait coulisser l'épingle constituée par le fil 1 par rapport au peigne 3, de façon que les parties débordantes des touffes de poils 2 viennent se positionner entre les deux branches de l'épingle, le plan des deux branches de l'épingle étant sensiblement le plan tranversal médian de l'ensemble des touffes de poils 2. On saisit alors les deux extrémités de l'épingle constituée par le fil 1, on éloigne le peigne et on exerce une rotation relative des deux extrémités de l'épingle pour créer la torsade qui constitue l'âme de la brosse. Dans cette opération de torsadage, les poils se répartissent régulièrement entre les fils torsadés, de sorte que la brosse après torsadage présente une distribution régulière de poils bien qu'au départ les poils aient été mis en place par touffes correspondant à chacun des créneaux du peigne 3.The manufacture of such a brush is carried out by the implementation of the conventional manufacturing process which is used industrially for all types of brush with twisted core. To do this, in a first step, the core wire 1 is bent in the form of a hairpin. Tufts of bristles are placed in the slots 3a of a comb 3. The pin is made to slide constituted by the wire 1 relative to the comb 3, so that the protruding parts of the tufts of bristles 2 are positioned between the two branches of the pin, the plane of the two branches of the pin being substantially the median transverse plane of all of the tufts of hair 2. The two ends of the pin formed by the wire 1 are then grasped, the comb is moved away and the two ends of the pin are rotated to create the twist that constitutes the soul of the brush. In this twisting operation, the bristles are evenly distributed between the twisted wires, so that the brush after twisting has a regular distribution of bristles although initially the bristles were placed in tufts corresponding to each of the comb slots. 3.
Dans cet exemple de réalisation, la brosse désirée a une longueur de 26 mm. On a utilisé un peigne 3 constitué par une lame d'acier de 4 mm d'épaisseur présentant 18 créneaux 3a ayant chacun une largeur de 1 mm, deux créneaux successifs étant séparés par des dents rectangulaires ayant une largeur de 0,7 mm. Dans chacun des créneaux, on met en place environ 12 poils 2 ayant chacun une longueur de 20 mm et on procède comme indiqué ci-dessus pour obtenir une brosse selon l'invention. Cette brosse comporte 20 spires et 9 poils par spire ; chaque spire de la nappe hélicoïdale occupe donc 0,5 mm sur la longueur de la brosse. Après que le torsadage ait été réalisé, on meule ou on tond la brosse pour lui donner une forme cylindro-conique, dont la partie cylindrique constitue la partie de surface périphérique qui a le diamètre maximum ; ce diamètre maximum est de 7,5 mm. Avec les valeurs ci-dessus données pour les différents paramètres qui interviennent, on constate que, sur la partie cylindrique de la brosse, les extrémités de deux poils adjacents de la nappe hélicoïdale sont sensiblement à 1,2 mm l'une de l'autre ; cette distance est sensiblement constante étant donné que les poils 2 ont tous une orientation sensiblement radiale et sont écartés angulairement les uns des autres d'une valeur d'environ 40 °, la variation de cet angle tout le long de la nappe hélicoïdale étant inférieure à 20 %.In this exemplary embodiment, the desired brush has a length of 26 mm. A comb 3 was used, consisting of a 4 mm thick steel blade having 18 slots 3a each having a width of 1 mm, two successive slots being separated by rectangular teeth having a width of 0.7 mm. In each of the slots, about 12 bristles 2 are put in place, each having a length of 20 mm, and the procedure is as indicated above to obtain a brush according to the invention. This brush has 20 turns and 9 bristles per turn; each turn of the helical sheet therefore occupies 0.5 mm along the length of the brush. After twisting has been carried out, the brush is ground or mowed to give it a cylindro-conical shape, the cylindrical part of which constitutes the peripheral surface part which has the maximum diameter; this maximum diameter is 7.5 mm. With the values given above for the various parameters involved, it can be seen that, on the cylindrical part of the brush, the ends of two adjacent bristles of the helical sheet are substantially 1.2 mm from each other ; this distance is substantially constant since the bristles 2 all have a substantially radial orientation and are spaced angularly from each other by a value of about 40 °, the variation of this angle all along the helical sheet being less than 20%.
Les poils de la brosse sont réalisés en polyamide 6-10 comme il a été précédemment indiqué mais les poils de la brosse selon l'invention peuvent aussi être réalisés en polyamide 6-6 ou en polyamide 6-12 ou en polyamide 6 ou en polyamide 11 ou en polyester ou en polytétrafluoroéthylène. Ces matières premières peuvent ou non être additionnées d'agents améliorant les caractéristiques de glissement et de mouillabilité du matériau.The bristles of the brush are made of polyamide 6-10 as previously indicated but the bristles of the brush according to the invention can also be made of polyamide 6-6 or polyamide 6-12 or polyamide 6 or polyamide 11 or in polyester or polytetrafluoroethylene. These raw materials may or may not be added with agents improving the sliding and wettability characteristics of the material.
On constate donc que, sur la brosse selon l'invention, les extrémités des poils 2 sont sensiblement équidistantes les unes des autres sur la surface périphérique cylindrique de la brosse. Il est bien clair que cette équidistance n'est plus respectée sur la partie conique de la surface périphérique de la brosse puisque le diamètre extérieur de la brosse diminue alors que le nombre de poils par spire est maintenu constant. Dans une variante, on pourrait, bien entendu, envisager de réduire le nombre de poils par spire au fur et à mesure de la réduction du diamètre extérieur de la brosse sur la partie conique de celle-ci de façon à conserver l'équidistance des extrémités des poils.It can therefore be seen that, on the brush according to the invention, the ends of the bristles 2 are substantially equidistant from each other on the cylindrical peripheral surface of the brush. It is very clear that this equidistance is no longer observed on the conical part of the peripheral surface of the brush since the outside diameter of the brush decreases while the number of bristles per turn is kept constant. In a variant, one could, of course, consider reducing the number of bristles per turn as the outside diameter of the brush is reduced on the conical part of the latter so as to maintain the equidistance of the ends hairs.
On a constaté que le maquillage obtenu avec une telle brosse est d'une qualité parfaite car les cils peuvent pénétrer entre les poils de la brosse de sorte que la brosse assure une fonction de peignage des cils. De plus, la charge en produit de mascara est lissée sur toute la longueur du cil, pris isolément, ce qui permet d'avoir un effet d'allongement du cil. La charge en produit de maquillage sur le cil peut être élevée car le cil peut pénétrer dans la brosse jusqu'au voisinage de l'âme, c'est-à-dire dans la zone la moins essorée de la brosse, donc dans la zone où se trouve la plus grande quantité de produit de maquillage. Enfin, la constance de l'écartement des poils quelque soit l'angle formé entre les cils et l'axe de la brosse permet d'obtenir un maquillage parfaitement homogène.It has been found that the makeup obtained with such a brush is of perfect quality because the eyelashes can penetrate between the bristles of the brush so that the brush performs a function of combing the eyelashes. In addition, the load of mascara product is smoothed over the entire length of the eyelash, taken in isolation, which makes it possible to have an eyelash lengthening effect. The load of makeup product on the eyelash can be high because the eyelash can penetrate the brush as far as the vicinity of the core, that is to say in the least wrung area of the brush, therefore in the area where the greatest amount of makeup is found. Finally, the constancy of the spacing of the bristles whatever the angle formed between the eyelashes and the axis of the brush makes it possible to obtain a perfectly homogeneous makeup.
Claims (13)
- Brush for applying mascara to the eyelashes, consisting of a core formed of a twisted metal wire (1), the twists of which trap between them the bristles (2) of the brush, the said bristles (2) being arranged substantially evenly between the said twists and having a cross-section which falls within a circular envelope the diameter of which is between 0.12 and 0.25 mm, the brush being characterized in that the number of bristles (2) per turn is between 5 and 9, the said bristles substantially forming a single-layer helical sheet in which each bristle points substantially radially, the angle between two adjacent bristles in the sheet being substantially constant, to within about 20%.
- Brush according to Claim 1, characterized in that the cross-section of the bristles is circular, square, rectangular, hexagonal, octagonal or oval.
- Brush according to one of Claims 1 and 2, characterized in that the core wire has a diameter of between 0.2 and 0.9 mm.
- Brush according to one of Claims 1 to 3, characterized in that the pitch of one turn of the helical sheet is between 1.5 and 3.5 mm.
- Brush according to one of Claims 1 to 4, characterized in that the maximum diameter of the peripheral surface of the brush is between 5 and 12 mm.
- Brush according to one of Claims 1 to 5, characterized in that the peripheral surface of the brush is cylindro-conical, conical, cylindrical, or bud-shaped.
- Brush according to one of Claims 1 to 6, characterized in that the cross-section of the peripheral surface of the brush is circular.
- Brush according to one of Claims 1 to 6, characterized in that the cross-section of the peripheral surface of the brush is, at least in some regions of the brush, defined by a curve, where the distance of the said cross-section to the line of the core is not constant.
- Brush according to one of Claims 1 to 8, characterized in that, for at least one region of the brush, the distance between the ends of two adjacent bristles in the helical sheet of bristles is substantially equal to the pitch of a turn of the helical sheet of bristles in the said region.
- Brush according to Claim 9, characterized in that the number of bristles per turn is constant.
- Brush according to Claim 9, in which the peripheral surface of one region of the brush is a surface which has symmetry of revolution, the cross-section of which has a variable diameter, characterized in that the number of bristles per turn in the said region is an increasing function of the said diameter.
- Brush according to one of Claims 1 to 11, characterized in that the ends of at least some of the bristles of the brush are ground.
- Brush according to one of Claims 1 to 12, characterized in that the ends of two adjacent bristles of the brush are more than 0.8 mm apart.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9200132A FR2685859B1 (en) | 1992-01-08 | 1992-01-08 | LOW-STACKING BRUSH FOR MASCARA APPLICATION ON THE EYELASHES. |
FR9200132 | 1992-01-08 | ||
PCT/FR1992/001187 WO1993013690A1 (en) | 1992-01-08 | 1992-12-16 | Brush with reduced number of bristles for the application of mascara to the eyelashes |
Publications (2)
Publication Number | Publication Date |
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EP0574572A1 EP0574572A1 (en) | 1993-12-22 |
EP0574572B1 true EP0574572B1 (en) | 1997-09-03 |
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ID=9425473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93902333A Expired - Lifetime EP0574572B1 (en) | 1992-01-08 | 1992-12-16 | Brush with reduced number of bristles for the application of mascara to the eyelashes |
Country Status (7)
Country | Link |
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US (1) | US5370141A (en) |
EP (1) | EP0574572B1 (en) |
CA (1) | CA2100346C (en) |
DE (1) | DE69222036T2 (en) |
ES (1) | ES2106320T3 (en) |
FR (1) | FR2685859B1 (en) |
WO (1) | WO1993013690A1 (en) |
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FR2715038B1 (en) * | 1994-01-14 | 1996-03-15 | Oreal | Brush for applying a cosmetic product, in particular mascara. |
DE4446521A1 (en) * | 1994-12-24 | 1996-06-27 | Estee Lauder Inc | Mascara brush |
DE29618479U1 (en) * | 1996-10-23 | 1996-12-05 | Georg Karl Geka-Brush Gmbh, 91572 Bechhofen | Mascara brush |
IT243714Y1 (en) | 1998-01-12 | 2002-03-06 | Ponzini Spa | BRUSHES IN PARTICULAR FOR MEDICAL AND PHARMACEUTICAL USE |
EP1000566A3 (en) * | 1998-11-12 | 2002-07-03 | Henlopen Manufacturing Co., Inc. | Mascara brush with square cross-sectional profile |
MXPA01002934A (en) | 1999-07-21 | 2002-04-08 | Oreal | Device for applying a product on keratinous fibres. |
MXPA01002937A (en) * | 1999-07-21 | 2002-04-08 | Oreal | Device for applying a product on keratinous fibres, in particular eyelashes or eyebrows. |
US6481445B1 (en) * | 2000-02-09 | 2002-11-19 | Color Access, Inc. | Macro filament mascara brush |
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US6470897B1 (en) * | 2001-04-06 | 2002-10-29 | Pacific Corporation | Mascara brush for making up eyelashes |
WO2003063642A2 (en) * | 2002-01-30 | 2003-08-07 | The Bridgeport Metal Goods Manufacturing Company | Twisted wire mascara brush with mixed long and short bristles |
US6810885B2 (en) * | 2002-02-14 | 2004-11-02 | Crown Cork & Seal Technologies Corporation | Mascara brush with high durometer fibers |
FR2836800B1 (en) * | 2002-03-05 | 2004-12-17 | Oreal | BRUSH FOR APPLYING A PRODUCT TO EYELASHES AND / OR EYEBROWS |
US20040107974A1 (en) * | 2002-07-03 | 2004-06-10 | The Bridgeport Metal Goods Manufacturing Company | Cosmetics and mascara brushes with multi-fiber bristles |
US20050133056A1 (en) * | 2002-08-21 | 2005-06-23 | Antonio Montoli | Wire core mascara brush |
US20040035436A1 (en) * | 2002-08-21 | 2004-02-26 | Antonio Montoli | Wire core mascara brush |
FR2850549B1 (en) * | 2003-02-04 | 2006-07-14 | Oreal | BRUSH FOR APPLYING A PRODUCT ON LACES OR EYEBROWS |
FR2862193B1 (en) | 2003-11-18 | 2006-12-29 | Techpack Int | COSMETIC PRODUCT APPLICATOR |
FR2882506B1 (en) | 2005-02-25 | 2007-05-18 | Oreal | MAKE-UP PROCESS USING A VIBRANT APPLICATOR |
US20060249168A1 (en) * | 2005-05-03 | 2006-11-09 | Smit Julie A | Angular-edged nail polish applicators |
US8001980B2 (en) | 2006-01-11 | 2011-08-23 | Alcan Packaging Beauty Services | Multi-helicoidal applicator brush |
FR2932656B1 (en) * | 2008-06-18 | 2012-11-16 | Oreal | DEVICE FOR PACKAGING AND APPLICATION, IN PARTICULAR MASCARA |
USD616608S1 (en) | 2009-10-26 | 2010-05-25 | Mary Kay Inc. | Mascara container |
US9101205B2 (en) | 2013-03-11 | 2015-08-11 | Brushtech, Inc. | Twisted wire brush and method of making |
USD744161S1 (en) | 2014-04-15 | 2015-11-24 | Eukeni Urrechaga | Eyelash enhancer, mascara applicator and mascara remover |
USD735938S1 (en) * | 2014-06-10 | 2015-08-04 | Hcp Packaging Usa, Inc. | Cosmetic applicator |
US9955777B2 (en) | 2015-08-31 | 2018-05-01 | Brushtech, Inc. | Twisted wire brush and method making |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2728929A (en) * | 1953-05-15 | 1956-01-03 | Bell Floyd Leslie | Cleaning and abrading tool |
DE99288T1 (en) * | 1982-07-07 | 1985-01-03 | L'oreal, Paris | MAKEUP EMBLEM, ESPECIALLY FOR EYELASHES. |
US4861179A (en) * | 1986-03-07 | 1989-08-29 | Henlopen Manufacturing Co., Inc. | Mascara brush |
US4733425A (en) * | 1986-06-16 | 1988-03-29 | Sanderson-Macleod, Inc. | Mascara brush |
FR2605505B1 (en) * | 1986-10-24 | 1989-06-02 | Oreal | BRUSH FOR THE APPLICATION OF COSMETICS |
FR2607372B1 (en) * | 1986-11-28 | 1991-04-05 | Oreal | BRUSH FOR THE APPLICATION OF COSMETICS, ESPECIALLY MASCARA |
FR2607373B1 (en) * | 1986-11-28 | 1989-02-24 | Oreal | BRUSH FOR APPLYING MASCARA ON EYELASHES |
FR2627068B1 (en) * | 1988-02-12 | 1990-12-07 | Oreal | BRUSH FOR APPLYING A MAKE-UP PRODUCT, PARTICULARLY MASCARA, AND RESERVOIR OF PRODUCT EQUIPPED WITH SUCH A BRUSH |
FR2637471B1 (en) * | 1988-10-12 | 1992-10-30 | Oreal | BRUSH FOR APPLYING A MAKEUP PRODUCT, AND METHOD FOR MANUFACTURING SUCH A BRUSH |
US4887022A (en) * | 1989-06-01 | 1989-12-12 | Cherry Semiconductor Corporation | Under voltage lockout circuit for switching mode power supply |
FR2668905B1 (en) * | 1990-11-13 | 1993-02-12 | Oreal | BRUSH FOR THE APPLICATION OF A COSMETIC PRODUCT IN PARTICULAR TO EYELASHES OR HAIR, AND METHOD FOR OBTAINING SUCH A BRUSH. |
-
1992
- 1992-01-08 FR FR9200132A patent/FR2685859B1/en not_active Expired - Lifetime
- 1992-12-16 WO PCT/FR1992/001187 patent/WO1993013690A1/en active IP Right Grant
- 1992-12-16 DE DE69222036T patent/DE69222036T2/en not_active Expired - Lifetime
- 1992-12-16 CA CA002100346A patent/CA2100346C/en not_active Expired - Lifetime
- 1992-12-16 ES ES93902333T patent/ES2106320T3/en not_active Expired - Lifetime
- 1992-12-16 US US08/087,763 patent/US5370141A/en not_active Expired - Lifetime
- 1992-12-16 EP EP93902333A patent/EP0574572B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69222036T2 (en) | 1998-01-08 |
CA2100346A1 (en) | 1993-07-09 |
DE69222036D1 (en) | 1997-10-09 |
EP0574572A1 (en) | 1993-12-22 |
ES2106320T3 (en) | 1997-11-01 |
WO1993013690A1 (en) | 1993-07-22 |
US5370141A (en) | 1994-12-06 |
CA2100346C (en) | 2002-07-30 |
FR2685859B1 (en) | 1994-04-08 |
FR2685859A1 (en) | 1993-07-09 |
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