EP1070466A2 - Device for storing and applying a product to eyelashes or eyebrows - Google Patents

Abstract

The applicator has a casing (11) containing a cosmetic reservoir (P) and an applicator brush. The brush head has a row of teeth (15a,b) positioned alternatingly on two opposite sides of the brush rod (16). Gaps can be formed between the teeth.

Description

The present invention relates to a packaging and application device of a product on the eyelashes or the eyebrows, this device being of the type comprising a container for containing the product and an applicator comprising an element application comprising at least one row of teeth.

We know packaging and application devices in which the applicator element is comb-shaped and has a row of teeth defining between them grooves which are loaded with product when the application element is extracted from the container.

To make it possible to build up reserves of product providing the applicator sufficient autonomy, the teeth are relatively wide apart, the spacing between two successive teeth being clearly greater than the diameter of an eyelash.

This has the disadvantage that the eyelashes are weakly gripped by the element. application and these known devices do not allow to smooth the product well deposited on the surface of the eyelashes or lengthen them satisfactorily.

We know from application DE-A-25 59 273 a brush comprising rows of bristles connecting to a base, the bristles of each row having bases relatively spaced, located alternately on either side of a central line.

EP-A-0 474 934 discloses a brush comprising several rows of radially oriented elements, said rows being offset axially with respect to each other.

The object of the present invention is to propose a new device for conditioning and application of a product on the eyelashes or the eyebrows which is capable to grip the eyelashes satisfactorily, while making it possible to constitute relatively large product reserves.

It achieves this by the fact that the application element comprises at least a row of teeth arranged alternately on both sides, turned in directions substantially opposite, of a soul.

In an exemplary implementation of the invention, the core can be used in some kind of framework and hold the teeth on the application element.

The application element according to the invention can make it possible to constitute reserves of product between the teeth while allowing to smooth the product deposited on the eyelashes and to separate and / or lengthen them.

By playing on the geometric configuration of the teeth, especially their spacing, you can easily change the amount of product deposited on the element of application as well as the characteristics of the application element in terms of smoothing of the product and separation of the eyelashes.

The geometrical configuration of the teeth, and in particular the spacing between consecutive teeth, also allows for possibly contained fibers in the product to align substantially, so as to become substantially parallel to the eyelashes when the product is applied.

A gap may be formed between the upper parts of at least two consecutive teeth.

This gap can be arranged to prevent the eyelashes from reaching the soul.

The bottom of such a gap may be located at a distance from the upper core or equal to 0.2 mm for example.

Alternatively, the gap can be arranged to allow the eyelashes to reach blade.

Preferably, the gap has the form of a notch and in one embodiment particular, the upper parts of the teeth form notches between them.

Such indentations make it possible to grip the eyelashes and to lengthen them or to bend them during the application of the product.

At least two consecutive teeth may have portions, in particular bases, substantially contiguous.

The expression "substantially contiguous" should be understood as meaning that the portions in question of the consecutive teeth do not necessarily overlap when viewed from one side of the application element, but are close enough to each other to prevent the free movement of an inserted eyelash between consecutive teeth in a plane substantially perpendicular to the axis longitudinal of the application element.

In other words, when the bases are substantially contiguous, the eyelash does not cannot pass freely between the bases without being grabbed, when the element application is brought into contact with the eyelashes substantially transversely to the latter.

The substantially contiguous portions, in particular the bases, can be close enough to prevent an eyelash from passing through them.

In a particular embodiment, the teeth extend over substantially the entire height of the application element.

This is made possible by the fact that the teeth are made on the side and on the other of a soul.

In a particular embodiment, the envelope of the application element is a cylindrical surface whose directrix is a curve formed for example by the union of a semicircle at the bottom and an inverted V at the top (i.e. a form of water drop).

The cross section of the core can represent less than about half of the total cross section of the application element.

In a particular embodiment, the device comprises first and second consecutive teeth having bases arranged such that a portion of the base of the first tooth has the same axial position along the applicator element than a portion of the base of the second tooth.

Still in a particular embodiment, an upper surface of the core is located between a free end of each tooth and a lower end of each tooth.

Still in a particular embodiment, at least one tooth has a depth which is greater than its width, the depth being measured perpendicularly to the longitudinal axis of the core and the width being measured parallel to the axis longitudinal of the core. The teeth then have good mechanical strength. against the forces exerted by the eyelashes during application.

We can thus use the application element to apply a product likely to harden relatively quickly. The ratio b / e is for example higher or equal to 1.2, or even greater than or equal to approximately 1.4, b being the depth of the base of a tooth and its width.

The teeth can have a depth which varies according to the positioning axial along the axis of the base.

The teeth can thus have an increasing, decreasing depth, increasing then decreasing or vice versa, from front to back.

The application element can be produced at a relatively low cost, by molding, in particular of plastic.

The teeth are advantageously produced by molding in one piece with the core, preferably plastic.

The application element may consist of an insert on the applicator rod.

The application element can in particular be detachably attached on the applicator rod.

The application element may alternatively be produced by molding, in particular of plastic, in one piece with the stem of the applicator.

The application element can be produced by plastic molding in one piece with the applicator rod and with a sealing member intended to ensure a tight closure of the container in the absence of use, this member sealing may have a shaped surface to adjust so waterproof in a container neck.

The consecutive teeth are advantageously arranged alternately on either side of a geometric separation surface, which can be a plane, advantageously a median plane for the soul.

This geometric separation surface is advantageously a plane of joint for molding the application element.

The geometric separation surface can also be a cylindrical surface whose directrix is a curve or a broken line. The geometric surface separation may be non-planar, for example twisted.

The geometric separation surface can thus be a helical surface, for example.

The teeth may have an upper part which extends without contact with the adjacent teeth at a relatively low height from their top, for example on a height less than half their total height.

The ratio b / c is for example greater than or equal to 1.2, or even greater than or equal to 1.4, b being the depth of the base of a tooth and c the interval between two successive teeth offset on the same side of said geometric separation surface.

The ratio of the spacing between adjacent teeth of the same side of the web the width of a tooth, both measured at the level of the teeth above of the upper surface of the core (preferably mid-length of the teeth) is for example between 0.2 and 2 approximately.

The applicator element can be made of a plastic material more flexible than that used to make the applicator rod, for example an elastomer, which provides more comfort in use.

As a variant, the rod of the applicator can be made of a material plastic less hard than that used to make the application element. We can thus use, for manufacturing reasons for example, a relatively hard material to make the application element and compensate for the element's hardness of application at the time of application by the flexibility of the rod.

The application element may comprise two parts made with a film hinge and assembled against each other.

The teeth may have perpendicular front and / or rear faces to the axis of the soul or forming an acute or obtuse angle therewith.

The application element may comprise a first series of teeth, of which the front and / or rear faces are inclined relative to the axis of the core and a second set of teeth whose front and / or rear laces are inclined in a way different from that of the teeth of the first series with respect to the axis of the core, the teeth of the first series and those of the second series being arranged alternately at least partially on either side of a geometric separation surface.

The teeth may have an upper part in the same axis as their base.

Teeth may have upper parts respectively facing forward and backward.

Two consecutive teeth may have free oriented ends towards each other when the application element is observed along its longitudinal axis.

Two consecutive teeth may also have free ends oriented away from each other when the application element is observed along its longitudinal axis.

In a particular embodiment, when the application element is observed in its axis, two consecutive teeth have free ends which diverge. As a variant, when the application element is observed in its axis, two teeth consecutive have free ends that converge. In another variant, when the application element is observed in its axis, two consecutive teeth have free ends which cross or are substantially parallel. So the ends free can point in the same direction. When the application element is observed in its axis, at least three consecutive teeth can have free ends that are aligned.

Two adjacent teeth may overlap when the element of application is observed along its longitudinal axis.

The application element may include a first series of teeth located on one side of a geometric separation surface and a second series of teeth located on the other side of this geometric separation surface, alternately with the teeth of the first series, the teeth of the first series having their face front, respectively rear, concave or convex forward, respectively toward rear, and the teeth of the second series having their front face, respectively rear, concave or convex forward, respectively backward.

The application element may also include a first series of teeth located on one side of a geometric separation surface and a second series of teeth located on the other side of this geometric separation surface, alternately with the teeth of the first series, the teeth of the first series having their front face, respectively rear, concave or convex forward, respectively rearward, and the teeth of the second series having their rear face, respectively before, flat.

The height of the teeth can be between approximately 0.5 and 15 mm, being preferably between about 7 and 13 mm.

The height of the teeth can be variable.

The applicator element may have only one row of teeth and have the shape of a comb.

The applicator element can also have several rows of teeth and build up a brush.

The rows of teeth can extend substantially in the extension on one side of the base in the case of a polygonal section where the bases can connect substantially tangentially to the base in the case of a section not polygonal, for example elliptical or circular. Such an application element allows to use the base more easily to apply the product and the contact of the eyelashes with the teeth can be done gradually. This application element makes it possible to curl the eyelashes well.

The core can have a height or a thickness varying according to the positioning axial on the application element.

At least one tooth may have a hollow portion.

This hollow portion can extend along at least a portion of the length of the tooth.

At least one face of the tooth may have an opening facing said hollow portion.

At least one tooth can be flocked.

The applicator element can have two opposite ends, with one ends connected to a distal end portion of the rod.

The device can include a plurality of cores and a plurality of rows consecutive teeth, these consecutive teeth being arranged alternately on opposite sides of the corresponding core.

The device may further comprise a base on which the teeth and the soul are arranged.

The teeth can be moved laterally from the core.

The applicator element may have a substantially longitudinal axis parallel to the axis of the rod.

The applicator element may also, as a variant, have a longitudinal axis making an angle with the longitudinal axis of the rod.

The application element may in particular have a longitudinal axis extending substantially perpendicular to a longitudinal axis of the rod.

The rod may have a connector at a distal end part, this connector being arranged to allow the fixing of the application element on the rod.

The applicator element can have two ends and a part located between the two ends which is fixed on a distal end part of the cork.

The device can include at least one notch located between two adjacent teeth on the same side of the core, this notch extending under a surface superior of the soul. This notch can receive product and also serve to the application of the product.

The container can be arranged to receive the application element.

Alternatively, the container may be a tube, the product being deposited on the application element by compressing the tube.

The product can also be in the form of a solid bread.

When the container is arranged to receive the application element, the latter is preferably provided with a wiping member, preferably deformable and with preferably still constituted by a block of foam or an elastomer lip.

The product can be mascara.

In a particular embodiment, the container has an opening allowing the passage of at least part of the application element in the container and the applicator has a cap at the other end of the rod to close tightly the container.

The product may contain fibers.

The invention also relates to an applicator for applying product on the eyelashes comprising a rod and an applicator element arranged at one end of the rod, the applicator element comprising a central core having two substantially faces opposite and a plurality of teeth arranged alternately on the faces substantially opposite from the core and at least one notch between two adjacent teeth arranged on the same side of the soul.

At least a portion of the notch can extend over the core.

A portion of the notch can also be defined by the adjacent teeth.

In a preferred embodiment, a plurality of notches is produced on one or both of the aforementioned substantially opposite faces.

The core may also have a series of ridges and hollows and the notch can correspond substantially to a hollow.

The notch preferably has a substantially V-shaped, open shape. towards an upper surface of the core. Alternatively, the V-shaped notch can be opened to a lower surface of the core. The notch is preferably arranged so as to contain product to be applied.

In a preferred embodiment, three consecutive teeth form at least part of a volume arranged to contain product to be applied and notch it communicates with this volume, which can be further defined by a part of the soul.

The bases of adjacent teeth can be connected to each other or can be separated from each other.

The invention also relates to an applicator for applying a product. on the eyelashes, comprising a rod and an application element disposed at one end of the rod, the applicator element comprising a core having two faces substantially opposite, a plurality of teeth arranged alternately on the faces substantially opposite of the core and at least one volume defined by three consecutive teeth and one part of the soul.

This volume is arranged to contain the product to be applied with the element of application and at least part of this volume is open to allow the eyelashes to access the product contained inside.

In a preferred embodiment, the application element comprises a plurality such volumes and consecutive volumes are directed alternately in opposite directions.

The application element may also include a notch made on one side of the core and this notch can be in fluid communication with the volume defined by the three consecutive teeth. These correspond to two teeth located on a first side of the core and a tooth located on a second side of the core. The volume is defined by a space between the teeth located on the first side of the core. The tooth on the second side of the core can be positioned along the core in a location arranged between the positions of the two teeth on the first side of the core, so that the volume extends towards a longitudinal axis of the core between the two teeth located on the first side of the core and in a direction substantially perpendicular to the axis between the tooth on the second side and the two teeth located on the first side.

The invention also relates to an applicator comprising a rod and a applicator element disposed at one end of the rod. The application element has a core having portions of side faces turned in directions substantially opposite, extending in a direction parallel to a longitudinal axis of soul. The applicator element further comprises a plurality of teeth arranged alternately on said substantially opposite lateral surface portions, such that at least a portion of each of the teeth arranged on one side of the core is located between at least a portion of a pair of corresponding teeth located from the other side of the core, when the application element is observed from the side. The upper side of the core is preferably arranged between a lower end and an end free of each tooth and the teeth cover at least part of the lateral faces opposites of the soul.

The core may have a curved longitudinal axis. The soul can have either substantially uniform cross-section along its length or a cross-section whose shape varies according to its length. Teeth can be arranged according to a row extending along an axis parallel to the longitudinal axis of the core.

The invention also relates to an applicator for applying a product. on the eyelashes comprising a rod and an applicator element arranged at one end of the stem. The application element comprises a core having faces turned in substantially opposite directions and a plurality of consecutive teeth disposed alternately on said faces, at substantially different locations depending on the length of the core. Preferably, at least part of each of the teeth arranged on one side of the core is arranged between at least part of a pair of teeth corresponding arranged on the other side of the core, when the application element is observed from the side. The width of each tooth may be less than the space between two adjacent teeth on the same side of the core, width and space being measured at a portion of the length of the tooth extending above the core, preferably mid-length of the teeth. A gap can be formed between consecutive teeth when the application element is viewed from the side.

The invention also relates to a method for applying a product to eyelashes, comprising the step of providing an applicator as defined above, to load the product on at least part of the teeth of the applicator and to bring to the minus part of the teeth in contact with the eyelashes, so that the product settles on the eyelashes. Product loading can be done by inserting the applicator into a container containing the product and removing the applicator from the container and removing the excess tooth product.

As a variant, the product can be loaded by dispensing the produced from a container on the teeth or by bringing the teeth into contact with a solid product bread.

When the product is in the form of solid bread, the latter can be moistened or the teeth may be moistened.

In a particular implementation of the method according to the invention, a application element is fixed on the applicator rod, this application element being selected from several application elements having configurations of different teeth.

• la figure 1 est une vue schématique en coupe axiale d'un dispositif de conditionnement et d'application conforme à un premier exemple de mise en oeuvre de l'invention,
• la figure 1A est une coupe partielle représentant un organe d'essorage constitué par une lèvre en élastomère, conformément à une variante de mise en oeuvre de l'invention,
• la figure 2 représente en perspective, de manière schématique, l'élément d'application de la figure 1,
• la figure 3 représente en perspective, de manière schématique, une variante de réalisation de l'élément d'application,
• la figure 4 est une vue schématique de dessus de l'élément d'application de la figure 3,
• la figure 5 représente en perspective, de manière schématique, un élément d'application conforme à une variante de réalisation,
• la figure 6 représente en perspective, de manière schématique et partielle, un élément d'application conforme à une variante de réalisation,
• les figures 7 et 8 sont des coupes transversales représentant de manière schématique deux exemples de brosses conformes à l'invention,
• les figures 9 à 11 illustrent diverses configurations de dents,
• les figures 12 et 13 représentent deux éléments d'application ayant des configurations différentes,
• la figure 14 est une vue en perspective d'un exemple de mise en oeuvre de l'invention, dans lequel le produit à appliquer est déposé sur l'élément d'application à partir d'un tube flexible,
• la figure 15 est une vue en perspective d'un autre exemple de mise en oeuvre de l'invention, dans lequel le produit à appliquer se présente sous la forme d'un pain de produit ou d'une poudre,
• la figure 16 est une vue en perspective d'un applicateur conforme à une variante de mise en oeuvre de l'invention, dans lequel l'extrémité distale de l'élément d'application comporte une pointe effilée,
• la figure 17 est une vue en perspective d'un applicateur ayant un élément d'application dont l'axe longitudinal s'étend perpendiculairement à l'axe longitudinal de la tige de l'applicateur et dans lequel l'élément d'application peut être engagé dans un logement formé dans la partie d'extrémité distale de la tige de l'applicateur,
• la figure 17A est une vue à échelle agrandie, partielle et en perspective, représentant l'élément d'application avant son insertion dans le logement de la tige dc l'applicateur,
• la figure 18 est une vue en perspective d'un applicateur dans lequel l'élément d'application peut être fixé de manière amovible sur l'extrémité distale de la tige, conformément à une variante de mise en oeuvre de l'invention.
• la figure 19 est une vue en perspective d'un applicateur similaire à celui représenté sur la figure 17, hormis le fait que l'élément d'application est réalisé d'un seul tenant avec la tige,
• la figure 20 est une vue partielle en perspective d'un applicateur dont l'âme et les dents sont disposées sur une embase d'un élément d'application, conformément à une variante de mise en oeuvre de l'invention,
• la figure 21 est une vue partielle en perspective d'un applicateur similaire à celui représenté sur la figure 20, les dents comportant un flocage,
• la figure 22 est une vue partielle en perspective d'un élément d'application dans lequel les dents sont disposées de manière à couvrir seulement une partie de la hauteur de l'âme, conformément à une mise en oeuvre de l'invention,
• la figure 23 est une vue partielle en perspective d'un élément d'application dans lequel les dents sont disposées de manière à couvrir l'âme sur toute sa hauteur, conformément à une variante de mise en oeuvre de l'invention,
• la figure 24 est une vue partielle en perspective d'un élément d'application dans lequel les dents sont disposées de telle sorte qu'une extrémité des dents se situe dans la continuité de l'extrémité inférieure de l'âme, conformément à une autre variante de mise en oeuvre de l'invention,
• la figure 25 est une vue partielle en perspective d'un élément d'application dans lequel les dents sont disposées sur les côtés opposés d'une âme en forme de T, conformément à une variante de mise en oeuvre de l'invention,
• la figure 26 est une vue partielle en perspective d'un élément d'application dans lequel les dents et l'âme sont disposées sur une embase de l'élément d'application et les dents présentent une forme conique,
• la figure 27 est une vue partielle en perspective d'un d'applicateur similaire à celui représenté sur la figure 26, dans lequel les dents comportent des parties creuses,
• la figure 28 est une vue en perspective de trois dents consécutives de la figure 24 avec un cil accédant au produit contenu dans un volume formé entre les dents, conformément à un exemple de mise en oeuvre de l'invention,
• la figure 29 est une vue partielle, en perspective, d'un d'applicateur conforme à une variante de mise en oeuvre de l'invention,
• la figure 30 est une vue partielle en perspective d'un d'applicateur conforme à une autre variante de mise en oeuvre de l'invention,
• la figure 31 est une vue partielle en perspective d'un d'applicateur conforme à un autre exemple de mise en oeuvre de l'invention,
• la figure 32 est une vue partielle en perspective d'un d'applicateur comportant un élément d'application flexible, conformément à un exemple de mise en oeuvre de l'invention,
• la figure 33 est une vue partielle en perspective d'un d'applicateur conforme à une variante de mise en oeuvre de l'invention, et
• la figure 34 est une vue partielle en perspective d'un d'applicateur conforme à un autre exemple de mise en oeuvre de l'invention.

Other characteristics and advantages of the present invention will emerge on reading the detailed description which follows, of nonlimiting examples of implementation of the invention, and on examining the appended drawing, in which:

• FIG. 1 is a schematic view in axial section of a packaging and application device according to a first example of implementation of the invention,
• FIG. 1A is a partial section showing a wiping member constituted by an elastomer lip, in accordance with an alternative embodiment of the invention,
• FIG. 2 shows in perspective, schematically, the application element of FIG. 1,
• FIG. 3 shows in perspective, schematically, an alternative embodiment of the application element,
• FIG. 4 is a schematic top view of the application element of FIG. 3,
• FIG. 5 shows in perspective, schematically, an application element according to an alternative embodiment,
• FIG. 6 shows in perspective, schematically and partially, an application element according to an alternative embodiment,
• FIGS. 7 and 8 are cross-sections schematically showing two examples of brushes according to the invention,
• FIGS. 9 to 11 illustrate various configurations of teeth,
• FIGS. 12 and 13 represent two application elements having different configurations,
• FIG. 14 is a perspective view of an exemplary implementation of the invention, in which the product to be applied is deposited on the application element from a flexible tube,
• FIG. 15 is a perspective view of another example of implementation of the invention, in which the product to be applied is in the form of a product bar or a powder,
• FIG. 16 is a perspective view of an applicator in accordance with an alternative embodiment of the invention, in which the distal end of the application element has a tapered tip,
• FIG. 17 is a perspective view of an applicator having an applicator element whose longitudinal axis extends perpendicular to the longitudinal axis of the applicator rod and in which the applicator element can be engaged in a housing formed in the distal end portion of the applicator rod,
• FIG. 17A is a view on an enlarged scale, partial and in perspective, showing the application element before its insertion into the housing of the rod of the applicator,
• Figure 18 is a perspective view of an applicator in which the application element can be removably attached to the distal end of the rod, according to an alternative embodiment of the invention.
• FIG. 19 is a perspective view of an applicator similar to that shown in FIG. 17, except for the fact that the application element is produced integrally with the rod,
• FIG. 20 is a partial perspective view of an applicator, the core and teeth of which are arranged on a base of an application element, in accordance with an alternative embodiment of the invention,
• FIG. 21 is a partial perspective view of an applicator similar to that shown in FIG. 20, the teeth comprising a flocking,
• FIG. 22 is a partial perspective view of an applicator element in which the teeth are arranged so as to cover only part of the height of the core, in accordance with an implementation of the invention,
• FIG. 23 is a partial perspective view of an applicator element in which the teeth are arranged so as to cover the core over its entire height, in accordance with an alternative embodiment of the invention,
• Figure 24 is a partial perspective view of an applicator element in which the teeth are arranged so that one end of the teeth is located in the continuity of the lower end of the core, in accordance with another variant implementation of the invention,
• FIG. 25 is a partial perspective view of an applicator element in which the teeth are arranged on the opposite sides of a T-shaped core, in accordance with an alternative embodiment of the invention,
• FIG. 26 is a partial perspective view of an application element in which the teeth and the core are arranged on a base of the application element and the teeth have a conical shape,
• FIG. 27 is a partial perspective view of an applicator similar to that shown in FIG. 26, in which the teeth have hollow parts,
• FIG. 28 is a perspective view of three consecutive teeth in FIG. 24 with an eyelash accessing the product contained in a volume formed between the teeth, in accordance with an exemplary implementation of the invention,
• FIG. 29 is a partial perspective view of an applicator according to an alternative embodiment of the invention,
• FIG. 30 is a partial perspective view of an applicator according to another variant embodiment of the invention,
• FIG. 31 is a partial perspective view of an applicator according to another example of implementation of the invention,
• FIG. 32 is a partial perspective view of an applicator comprising a flexible application element, in accordance with an exemplary implementation of the invention,
• FIG. 33 is a partial perspective view of an applicator according to an alternative embodiment of the invention, and
• Figure 34 is a partial perspective view of an applicator according to another embodiment of the invention.

The packaging and application device 10 shown in the figure 1 comprises a container 11 containing a reserve of product P, for example a mascara of fluid to pasty consistency, and an applicator 12 comprising a rod 13 of axis X provided at one end with an applicator element 14 and at the other end a gripping element 12a which also constitutes a closure cap for the container 11.

The device 10 preferably comprises, as shown, an element seal 9 fixed to the gripping element 12 or to the rod 13 to close so seals the container 11.

When the sealing element 9 is fixed to the rod, it can be made of a standing alone with the latter.

The container 11 preferably comprises, as shown, a member spin 19 constituted in the example described by a block of open cell foam, but this wiping member could alternatively be constituted by a lip flexible, flocked or not.

By way of example, FIG. 1A shows the wiper member 19A in the form of a flexible lip produced from an elastomeric material.

In each case, the wiper member is deformable so that it can substantially match the shape of the applicator element when the latter passes through the wiper member being removed from the container.

The application element 14 is here constituted by a comb, which is located in the extension of the rod 13 of the applicator.

Thus, one end of the application element 14 is connected to a part distal end of the rod 13 and the opposite end of the applicator element 14 is a free end.

Preferably, as shown, the rod 13 has on part of its length a section of smaller diameter than that of the application element 14, so as not to compress the wiper member 19 at rest.

The application element 14 can be constituted as in the example described by an insert, fixed in a housing formed at the end of the rod 13 of the applicator.

As a variant, the application element can be connected to the rod during molding, for example.

Is shown in isolation on an enlarged scale in Figure 2 the element of application 14.

This comprises a row 15 of teeth comprising a first series teeth 15a and second a series of teeth 15b, respectively located on the side and other of a geometrical surface of separation S, perpendicular to the plane of the figure 1.

The teeth 15a and 15b are arranged alternately on either side a central core 16, of axis Z.

The axis Z of the core 16 can be parallel to the axis X of the rod 13 or make a angle with the X axis. In particular, the Z axis of the core can even be perpendicular to the axis X of the rod 13, as will be explained later.

The teeth are connected to the core 16 so that their upper part 27 be free.

The geometric separation surface S shown in FIG. 1 is a median plane, parallel to the plane of figure 2.

The geometric separation surface S is preferably also a parting line for molding the application element 14.

The applicator element 14 is provided at the front (i.e. its end distal) with a rounded nose 17 intended to facilitate its re-entry into the container 11.

The applicator element 14 has at the rear (i.e. its end proximal) a boss 18 intended to facilitate the crossing of the wiper member 19 during removing the applicator.

In the example described, the upper parts 27 of two consecutive teeth leave a gap 20 between them when the comb is viewed from the side, in a direction perpendicular to the Z axis, as in Figure 2.

The gap 20 can have about half the height of the teeth a substantially constant width when the application element 14 is observed next to.

The gap 20 preferably extends to the core 16, and its width is large enough to allow the eyelashes to reach the core 16.

The gap between two successive teeth located on the same side of the surface separation geometry S can be, as in the example shown, greater than the width of a tooth, measured approximately halfway up the applicator element 14, parallel to the Z axis.

Each tooth 15a extends substantially at mid-distance, when the element of application 14 is observed from the side, of two adjacent teeth 15b arranged on the side opposite of the soul, and vice versa.

This arrangement allows three consecutive teeth, along the core, to define a volume to contain the product intended to be applied, this volume being substantially open between two adjacent teeth on the same side of the core and substantially closed by the tooth disposed on the other side of the core between the two adjacent teeth mentioned above (preferably halfway).

In the example considered, the upper parts 27 of the teeth point substantially in the same direction.

The lower parts 22 of two successive teeth, located in the same side of the core 16, form between them and with the core 16 a cavity or groove 26 intended to contain product in order to deposit it on the eyelashes.

The application element 14 is thus hollowed out in the lower part, between two teeth 15a or 15b.

The gaps 20 between two consecutive teeth are sufficiently narrow to grip, separate, comb, and smooth the lashes deposited on their surface.

We understand that by playing on the length of the teeth and on the interval between the teeth on the same side we can easily act on the amount of product which the comb takes care of.

The spacing between the teeth of the same series of teeth 15a or 15b can thus be relatively large in favor of the quantity produced with which the comb is responsible without the comb losing any ability to grip the eyelashes, if care is taken to that the gaps 20 formed by the upper parts 27 of the teeth remain sufficiently narrow, for example less than the average width of the upper part 27 of a tooth.

It will be noted on examining FIG. 2 that in the example describes the bases 31 of teeth 15a or 15b widen to meet at the end lower 30 of the applicator element 14.

Thus, notches 26 are formed between two adjacent teeth of a same side of the soul. These notches are arranged to contain product and can lead into the volume defined by three consecutive teeth and the core, allowing an eyelash to access a significantly larger quantity of product placed on the application element.

In general, the teeth produced on either side of the soul middle can have upper parts with many configurations without departing from the scope of the present invention.

The upper parts of the teeth can, for example, be tilted alternately forward and backward, as shown very schematically on Figure 9.

The upper parts of the teeth can still be pointed at each other towards the others when the application element is observed from the front, as illustrated in Figure 10.

The upper parts of the teeth may cross, when the element application is seen from the front.

Alternatively, the upper parts of the teeth may move away from each other others, as illustrated in Figure 11.

The top of a tooth may include a substantial portion the length of the tooth extending from its base or may be made up only by the free end of the tooth, as shown in Figures 9 to 11.

The teeth may, when the application element is viewed from the front, diverge by gradually moving away from the middle core from which they depart.

The configuration of the teeth will be chosen according to the type of makeup desired and the nature of the product to be applied to the eyelashes.

The applicator element 40 shown in FIGS. 3 and 4 includes a row of teeth 4a1, 41b disposed respectively on substantially opposite faces a central core 42.

The application element 40 is essentially in the form of a comb, and when viewed from the side, teeth 41a alternate with teeth 41b along the axis Z of the core 42.

Thus, the teeth of the series 41a are arranged substantially between the teeth of series 41b and vice versa when the application element 14 is observed from side.

Notches 46 having a V-shaped profile when the applicator element 40 is observed from above can be produced on the core 42 between two teeth 41a or 41b arranged on the same side of the core, as seen in Figure 4.

Like the notches 26 in Figure 2, the notches 46 add to the volume formed by the core and three consecutive teeth, thus allowing the eyelashes to access more product on the application element.

Preferably, the bottom of the notches is spaced a distance of at least about 0.2 mm from an upper surface of the core 52.

The teeth 41a, 41b are preferably deeper than wide in this exemplary embodiment, the width e being measured parallel to the axis Z and the depth b perpendicular to the latter in the plane of the figure.

The spacing c between two successive teeth 41a or 41b is also greater than the width e.

Thanks to their relatively deep base, the teeth 4a, 41b are capable to resist a stress exerted transversely to the Z axis, which makes it possible to separate the eyelashes and smooth the deposited product on their surface, even if the product used would have partially hardened or be relatively viscous.

In the example considered, the bases of teeth 4a or 41b do not meet not, unlike the embodiment of Figure 2.

FIG. 5 shows an application element 5 () essentially comb-shaped, comprising a row of teeth 5a, 51b consecutive made alternately on each side of a central core 52.

Grooves 53 are formed between the teeth 51a, 51b located in the same side of the soul 52.

Unlike the application elements shown in Figures 2 and 3, the teeth 51a and 51b overlap, when the application element is observed from side.

Only the tapered upper parts of the teeth do not overlap not, creating interstices 54 between teeth 51a and 51b consecutive.

These interstices 54 are essentially in the form notches or V-shaped grooves to grip the eyelashes.

The bottom of these notches is located at a certain distance from the core 52, the eyelashes are thus prevented from reaching the core 52.

It will be noted that the free upper parts of the teeth do not represent in the example describes that about a third of the total height of the element of application.

A relatively large amount of product can accumulate between two teeth 51a or 51b, the eyelashes can easily be brought into use during contact of product reserves thus constituted to take charge of product, the product deposited on the eyelashes being smoothed by the attachment of the eyelashes in the notches 54.

The teeth connecting to the core can have different geometries.

By way of example, FIG. 6 shows an application element 60 essentially in the form of a comb comprising a first series of teeth 61a and a second series of teeth 61b alternating with those of the first series, the teeth 61a having their front face 62 concave towards the front, their rear face 63 convex towards the rear, the teeth 61b having their front face 64 convex towards the front and their rear face 65 substantially planar.

The upper parts of two consecutive teeth form notches 66 in which the eyelashes can engage during the application of the product, the edges of these notches converging towards the soul carrying the teeth, so that the eyelashes can be gripped by the application element.

In variants not shown, the front faces 62 of the teeth 61a can be convex towards the front, the rear faces 63 of the teeth 61a concave towards the rear, the front faces 64 of the teeth 61b concave towards the front, even planar, and the rear faces 65 concave or convex towards the rear.

We can make other geometric configurations of teeth without departing from the scope of the present invention, and in particular a series of consecutive teeth having different configurations can constitute a row.

The core to which the teeth connect is not necessarily straight and can extend along a curved line or a broken line.

By way of example, there is shown in FIG. 12 an alternative embodiment. of the applicator element of FIG. 4 in which the core essentially extends in an arc.

The geometric separation surface on either side of which extend the teeth here is a cylindrical surface, of director merging with the axis of the core and generatrix perpendicular to the plane of Figure 12.

Alternatively, the core can be curved around an axis oriented perpendicularly to the geometric separation surface, such as the Y axis in Figure 1.

An application element having a thus curved core is shown on Figure 13.

The applicator element may have a single row of teeth and have the shape of a comb, as is the case with the exemplary embodiments which come just to be described, or alternatively have several rows of teeth and constitute a brush.

By way of nonlimiting example, FIG. 7 shows an element application 80 forming a brush, having a central core 81 of perpendicular axis in the plan of figure 7.

On this core are arranged three rows of teeth 82, 83, 84.

Each row 82, 83 or 84 has a first series of teeth and a second series of teeth, respectively produced on each side of a central core associated with this row.

Thus, the row 82 has teeth 82a, 82b produced alternately on each side of a core integral with the central core 81.

The teeth 82a and 82b are located alternately on either side of a geometrical surface of separation S constituted by a radial plane.

The same is true for the other rows of teeth 83 and 84.

The teeth are thus oriented substantially radially.

Of course, the teeth can have orientations other than radial.

By way of example, FIG. 8 shows an application element 90 which has three rows of teeth 91, 92, 93, each row of teeth connecting to a base 94 having a substantially triangular cross section.

The teeth of each row 91, 92 or 93 are produced alternately on each face of a corresponding central core, associated with this row.

The row of teeth 91 comprises a first series of teeth 9 la and a second set of teeth 91b, alternately located on each side of a surface separation geometry S, the teeth 91a and 91b being molded in one piece with base 94.

The geometric separation surface S for the row of teeth 91 is a plane which extends substantially parallel to a side 95 of the base 94.

It is the same for the rows of teeth 92 and 93, which thus extend each in the extension of one side, the three rows being oriented in the same direction of rotation around the axis of base 94.

Variants of the application device described with reference to Figure 1 are shown in Figures 14 and 15.

Figure 14 shows an application system in which the product is contained in a tube 140.

This tube is preferably made of a flexible material, which allows deposit the product on the application element by compressing the tube.

Other devices can also be used to deposit the product on the application element, such as a pump dispenser for example, and are considered to be within the scope of the present invention.

The application system shown in Figure 15 includes a container 150 containing a solid roll of product 155. To load the application element, this the latter is moved through the product 155.

The solid bread can be wet and the applicator element moved on the humidified part of the product to load the applicator with product.

Alternatively, the applicator member can be moistened and moved through of the non-wetted product.

In the examples shown in Figures 14 and 15, it is not necessary to provide the proximal end of the applicator with a handle or a cap since the applicator is not stored in the container containing the product and does not do not close such a container.

Furthermore, in these embodiments, the rod itself can be used as a handful.

Ligure 16 represents yet another example of embodiment.

The applicator shown in FIG. 16 has a tapered tip 165 extending from the distal end of the applicator member 161.

When the application element 161 is loaded with product, the tapered tip 165 can also take care of product and can be used as eyeliner or device to be engaged between isolated eyelashes.

Figures 17, 17a and 18 show embodiments in which the applicator comprises an application element arranged so as to be fixed so removable on the rod.

The applicator element 170 shown in FIGS. 17 and 17a comprises a base 173 on which the core and a row of teeth alternately arranged on two opposite sides of the soul is arranged.

The base 173 is arranged so as to be inserted in a connector 171 in the form of a housing formed in the distal end part of the applicator rod 175.

FIG. 17a illustrates the positioning of the base 173 of the application element in accommodation 171.

The housing 171 can define a slot 172 at the front or distal end of the rod to allow the passage of the bases of the teeth and a portion of the core of the application element.

Preferably, the width of this slot is chosen so that the bases of the teeth of the applicator element are clamped between opposite faces of slot.

This assembly allows the application element to be made of a material elastomeric and the rod 173 in a rigid or semi-rigid material.

As shown in Figures 17 and 17a, the longitudinal axis of the element application 170 may extend substantially perpendicular to an axis longitudinal of rod 175.

The applicator member 170 is attached to the distal end portion of the rod 175 by its portion located between its two ends.

Figure 18 shows another example of an applicator embodiment in which base 183 of application member 180 can be removably attached in a connector housing 181 formed in the distal end portion of the rod 185.

Again, the housing 181 defines a slot 182 in which the base of the application element can be engaged.

Unlike the embodiment shown in Figures 17 and 17a, one end of the applicator element 180, when the latter is inserted into the connector 181, is connected to a distal end part of the rod 185.

In FIG. 18, the longitudinal axis of the application element 183, once the latter inserted in the connector 181, extends substantially in the same direction as the longitudinal axis of the rod 175.

The applicator element can also extend at an angle with the rod, one end of the applicator element nevertheless being connected to a part distal end of the stem.

FIG. 19 represents an applicator similar to that described with reference in Figure 17.

In the example shown in Figure 19, the base 173 is made substantially in one piece by molding with the rod 175.

Similarly, teeth 176 can be made by molding in one piece with the base 173 and the rod 175.

FIG. 20 represents an applicator according to another example of implementation of the invention.

This applicator comprises an application element 201 fixed at the end distal of a rod 205.

The application element 201 comprises a base 202 on which are arranged a core 203 and a row of consecutive teeth 204.

The teeth 204 are arranged alternately on opposite sides of blade.

The core 203 has a variable height depending on the axial position along of its longitudinal axis so as to form a series of peaks 203a and hollows 203b along the soul.

The teeth 204 are arranged in axial positions, along the core 203, substantially corresponding to peaks 203a.

The hollows 203b form grooves located between two adjacent teeth arranged on two opposite sides of the core 203.

These grooves are capable of containing product to be applied.

Figure 21 shows an applicator similar to the one shown in Figure 20, except that the teeth 204 'are flocked.

This flocking can be deposited on the teeth in the form of a coating or can be incorporated into the material used to make the teeth.

In Figures 20 and 21, the base on which the teeth and the core are arranged is relatively wide and extends laterally outward from a distance relatively large beyond the outer surfaces of the teeth and the core.

FIGS. 29 to 31 show other application elements 291, 301, 311 in which the height of the core 293, 303, 313 varies in the longitudinal direction.

Again, these variations in height tend to form hollows and peaks along the core, the hollows essentially forming grooves arranged between adjacent teeth on the same side of the core.

In Figures 29 to 31, the base on which the teeth and the core are arranged is relatively narrow.

Its width is hardly greater than the distance measured across the core between two consecutive teeth 294, 314.

In FIGS. 29 and 31, the teeth have upper parts extending to from the bases which diverge away from each other when the application element is observed along its longitudinal axis.

In FIG. 30, the upper parts of the teeth 304 are substantially straight.

Although not shown, consecutive teeth may have parts upper rectilinear and other upper parts diverging alternately with teeth having straight upper parts.

In fact, any combination of converging, diverging, substantially straight or intersecting, when the application element is observed along its longitudinal axis, falls within the scope of the present invention.

Figures 22 to 25 show different arrangements of teeth relatively to the soul.

In each of the configurations shown in Figures 22 to 25, the teeth 224, 234, 244, 254 and the core 223, 233, 243, 253 are arranged so that an upper surface T of the core is located between a lower end B and a free end F of a tooth, the teeth being arranged alternately on two faces opposites of the soul.

Figures 26 and 27 show embodiments in which the teeth 264, 274 have relatively broad bases which significantly converge towards their free end when the applicator element 261, 271 is viewed from the side.

The bases of consecutive teeth are substantially contiguous while their free ends are spaced relatively large one of the other.

In FIG. 27, the teeth 272 have hollow portions H extending over part of their length.

O openings on each side of the teeth lead to the hollow portions.

Although in Figure 27 the openings are located on each side of the teeth, an opening could be made on only one face of the teeth without this is beyond the scope of the present invention.

The openings and hollow portions of the teeth allow the applicator element to contain an even greater amount of product.

Figure 28 illustrates how three consecutive teeth, arranged alternately on opposite sides of the core, can be arranged to form a volume V used to contain the product P.

In the configuration of the teeth and the core shown in FIG. 28, the portions of consecutive teeth which extend above the core form a gap between them, arranged in such a way that the eyelashes E entering this interstice are able to reach the soul.

The gap I is also configured to allow it to grip eyelashes E, in order to be able to lengthen and curl them.

As explained above, the applicator element can have a longitudinal axis curvilinear as shown in Figure 32 or may have a longitudinal axis straight as shown in figure 33.

In addition, the application element can be made of a flexible material so that it can deform during application.

A flexible applicator is shown in Figure 32.

The applicator element 321 in FIG. 32 has a base 323 which has a curved longitudinal axis with a convex surface on which the teeth 322 are arranged.

This convex surface causes the teeth to diverge, thus allowing a relatively large amount of product getting lodged between adjacent teeth and consecutive.

In addition, the applicator shown in Figure 32 can provide improved loading of the teeth with the product when the application element is removed through a wiper member because the force exerted by the wiper member on the application element tends to make it rectilinear and causes the teeth to approach, especially towards a middle portion (mid-length) of the application element.

During this approximation of the teeth, the product can be driven inside from the teeth to the bases of the teeth and the base, allowing the application element to contain a relatively large amount of product.

As can be seen from the various embodiments illustrated, the teeth and the soul can have a wide variety of geometric configurations without that it is beyond the scope of the present invention.

So, for example, the teeth can be relatively narrow with tapered free ends as shown in Figure 34 or with free ends rounded, like those shown in Figures 32 and 33.

In Figure 34, the teeth are spaced laterally from the core.

The invention is of course not limited to the examples which come to be described, the particular features of embodiment of these examples can be combined within the same applicator.

The teeth may have shapes other than those which have been described and the teeth of an application element or a row do not necessarily have the same shape.

for example, the application element may include a succession of consecutive teeth comprising a first and second series of alternating teeth, the teeth of the first series having a shape different from those of the second series.

In addition, the teeth of the same series can also be formed of teeth having different shapes or different heights.

The teeth can for example have a height which varies according to the position axial along the application element, for example a height which increases, decreases, decreases then increases or increases then decreases from one end of the applicator element to the other.

The teeth may have a surface condition making it possible to increase the quantity of product taken care of by the application element; teeth can as well have capillary grooves or flocking.

An example of such flocking is shown in FIG. 21.

Teeth can undergo surface treatment by abrasion, to form for example forks at their ends.

Teeth can undergo a heat treatment to round for example their tip, even forming a ball at their free end. The teeth become so less aggressive towards the eyelashes.

The teeth can be covered with a coating such as varnish or PTFE for example, intended to give them better sliding on the eyelashes or on the contrary, more roughness.

Glidants may alternatively or additionally be incorporated into the material used to make the teeth.

The application element and more particularly the teeth can also contain active ingredients such as preservatives, moisture absorbers, salts metallic, especially copper, magnetic particles and other similar materials appropriate, intended to diffuse in the product when the latter is deposited on the application element. These assets can be incorporated into the material used to realize the application element or can be deposited in the form of a coating on the application element, or both.

In addition, products can be used to make the teeth or the core or to coat the teeth or the core which modify the surface tension of the element of application in contact with moisture.

The application element is preferably produced by injecting material plastic, but alternatively we can use material conformation processes by compression, stamping or bar turning.

Although different configurations of teeth and souls fall within the scope of the present invention, in each of the embodiments described, the length of a row of consecutive teeth is preferably between approximately 10 mm and 45 mm approximately, preferably between approximately 15 mm and approximately 28 mm and preferably still between about 20 mm and about 26 mm.

The individual length of each tooth is preferably between about 0.5 mm and about 15 mm and more preferably between about 7 mm and about 13 mm.

The number of teeth in a row of consecutive teeth is from preferably between 6 and 50 approximately, preferably between approximately 10 and approximately 35, and preferably still between about 15 and about 32.

Claims (63)

Device for packaging and applying a product to the eyelashes or the eyebrows, comprising a container (11) containing a reserve of product (P) and an applicator (12) comprising a rod (13) provided at one end with an element application (14; 40; 50; 60; 80; 90), characterized in that the application element comprises at least one row of teeth (15a, 15b) arranged alternately on both sides, turned in substantially opposite directions, a soul (16; 42; 52; 81). Device according to claim 1, characterized in that a gap is formed between the upper parts of at least two consecutive teeth. Device according to claim 2, characterized in that the said gap (20) is arranged to allow the eyelashes to reach the core (16). Device according to claim 2, characterized in that the said gap is arranged to prevent the eyelashes from reaching the soul. Device according to one of claims 3 and 4, characterized in that that the gap has the shape of a notch. Device according to the preceding claim, characterized in that the bottom of the notch is located at a distance from the core greater than or equal to 0.2 mm. Device according to any one of the preceding claims, characterized by the fact that the upper parts of the teeth form between them notches (54). Device according to any one of the preceding claims, characterized by the fact that at least two consecutive teeth (51a; 51b) have bases substantially contiguous. Device according to any one of the preceding claims, characterized by the fact that two consecutive teeth have overlapping bases. Device according to any one of the preceding claims, characterized by the fact that the bases of the teeth overlap when the comb is observed from the side. Device according to any one of the preceding claims, characterized by the fact that first and second consecutive teeth have bases arranged so that a portion of the base of the first tooth has the same axial position along the applicator element that a portion of the base of the second tooth. Device according to any one of the preceding claims, characterized by the fact that an upper surface (T) of the core is located between one end free (F) of each tooth and a lower end (B) of each tooth. Device according to any one of the preceding claims, characterized by the fact that at least one tooth has a depth which is greater than its width, the depth being measured perpendicular to the longitudinal axis of the core and the width being measured parallel to the longitudinal axis of the core. Device according to any one of the preceding claims, characterized by the fact that the teeth (41a, 41b) extend over substantially the entire height of the application element. Device according to any one of the preceding claims, characterized by the fact that the envelope of the application element is a cylindrical surface. Device according to the preceding claim, characterized in that the director of said cylindrical surface is a curve formed by the union a semicircle at the bottom and an inverted V at the top. Device according to any one of the preceding claims, characterized by the fact that the cross section of the middle core represents less about half the total cross-section of the applicator element. Device according to any one of the preceding claims, characterized by the fact that the teeth are produced by molding in one piece with the core, preferably made of plastic. Device according to any one of the preceding claims, characterized by the fact that the application element is constituted by an insert on the rod (13) of the applicator. Device according to any one of claims 1 to 17, characterized by the fact that the application element is removably attached to the rod of the applicator. Device according to any one of claims 1 to 17, characterized by the fact that the application element is produced by molding of material plastic in one piece with the applicator rod. Device according to claim 21, characterized in that the base is made by molding plastic material in one piece with the applicator rod and with clean sealing means to close so seals the container. Device according to any one of the preceding claims, characterized by the fact that the application element is made of a plastic material softer than that used to make the applicator stem. Device according to any one of claims 1 to 22, characterized by the fact that the application element is made of a plastic material harder than that used to make the applicator rod. Device according to any one of the preceding claims, characterized by the fact that the consecutive teeth are arranged alternately on either side of a geometric separation surface (S). Device according to the preceding claim, characterized in that the geometric separation surface (S) is a plane, advantageously a plane median for the soul. Device according to either of the two claims immediately previous, characterized in that the geometric separation surface (S) is a parting line for molding the application element. Device according to claim 25, characterized in that the surface geometric separation is a cylindrical surface whose directrix is a broken curve or line. Device according to claim 25, characterized in that the surface separation geometry is not planar. Device according to the preceding claim, characterized in that the geometric separation surface is twisted. Device according to any one of the preceding claims, characterized by the fact that the teeth have perpendicular front and / or rear faces to the Z axis of the core or forming an acute or obtuse angle with it. Device according to any one of the preceding claims, characterized by the fact that the row of teeth comprises a first series of teeth whose front and / or rear faces are inclined relative to the axis of the core and a second series of teeth whose front and / or rear faces are inclined by a different from that of the teeth of the first series in relation to the axis of the soul, the teeth of the first series and those of the second series being arranged alternately at least partially on either side of a geometric surface of seperation. Device according to any one of the preceding claims, characterized by the fact that the teeth have first and second consecutive teeth, the first tooth having a free end oriented towards a first end of the applicator element and the second tooth having a free end oriented towards a second end of the applicator element. Device according to any one of the preceding claims, characterized by the fact that two consecutive teeth have free ends oriented away from each other, when the application element is observed along its longitudinal axis (fig. 11) Device according to any one of claims 1 to 33, characterized by the fact that two consecutive teeth have free ends oriented towards each other, when the application element is observed according to its longitudinal axis (fig. 10). Device according to any one of claims 1 to 33, characterized by the fact that when the application element is observed in its axis (Z), two consecutive teeth have free ends (132) which are substantially parallel. Device according to any one of the preceding claims, characterized by the fact that two adjacent teeth overlap when the element of application is observed along its longitudinal axis. Device according to any one of the preceding claims, characterized by the fact that at least one tooth has a concave or convex face directed towards one end of the application element. Device according to the preceding claim, characterized in that at least two consecutive teeth have concave or convex faces directed towards one end of the application element. Device according to any one of the preceding claims, characterized by the fact that the application element comprises a first series of teeth located on one side of a geometric separation surface and a second series of teeth located on the other side of this geometric separation surface, alternating with the teeth of the first series, the teeth of the first series having their front face, respectively rear, concave or convex towards the front, respectively backwards, and the teeth of the second series having their face front, respectively rear, concave or convex forward, respectively rearward. Device according to any one of the preceding claims, characterized by the fact that the application element comprises a first series of teeth located on one side of a geometric separation surface and a second series of teeth located on the other side of this geometric separation surface, alternating with the teeth of the first series, the teeth of the first series having their front face, respectively rear, concave or convex towards the front, respectively backwards, and the teeth of the second series having their rear lace, respectively before, flat. Device according to any one of the preceding claims, characterized by the fact that it has a single row of teeth. Device according to any one of claims 1 to 41, characterized by the fact that it has several rows of teeth. Device according to the preceding claim, characterized in that the rows of teeth and the corresponding cores are arranged so that extend substantially in the extension of the corresponding sides of the base in the case where the latter has a polygonal section or so that the bases of the teeth connect substantially tangentially to the base when the latter has a non-polygonal section. Device according to any one of the preceding claims, characterized by the fact that at least one tooth has a hollow portion, preferably extending along at least a portion of its length, at least one side of the tooth having an opening overlooking this hollow portion. Device according to any one of the preceding claims, characterized by the fact that at least one tooth is flocked. Device according to any one of the preceding claims, characterized by the fact that the application element has two opposite ends with one of the ends connected to a distal end portion of the rod. Device according to any one of the preceding claims, characterized by the fact that the height of the teeth is between 0.5 mm and 15 mm approximately, and preferably is between 7 mm and 13 mm approximately. Device according to any one of the preceding claims, characterized by the fact that it comprises a plurality of souls and a plurality of rows consecutive teeth, these consecutive teeth being arranged alternately on opposite sides of the corresponding core. Device according to any one of the preceding claims, characterized by the fact that it further comprises a base on which the teeth and the soul are arranged. Device according to any one of the preceding claims, characterized by the fact that the applicator element has a substantially longitudinal axis parallel to the axis of the rod. Device according to any one of claims 1 to 50, cacactérisé by the fact that the application element has a longitudinal axis making an angle with the longitudinal axis of the rod. Device according to claim 20, characterized in that the rod has a connector at a distal end portion, the connector being arranged to allow the attachment of the application element on the rod. Device according to the preceding claim, characterized in that the applicator element has two ends and a part situated between the two ends which is attached to a distal end portion of the rod. Device according to any one of claims 1 to 50, characterized by the fact that the application element has a longitudinal axis extending substantially perpendicular to a longitudinal axis of the rod. Device according to any one of the preceding claims, characterized by the fact that it comprises at least one notch (46) situated between two adjacent teeth on the same side of the core, this notch extending under a surface superior of the soul. Device according to any one of the preceding claims, characterized by the fact that the container is arranged to receive the application element. Device according to the preceding claim, characterized in that the container is provided with a wiping member, preferably deformable, and preferably also constituted by a block of foam or an elastomeric lip. Device according to any one of the preceding claims, characterized by the fact that the product is mascara. Device according to any one of the preceding claims, characterized by the fact that the product contains fibers. Device according to any one of the preceding claims, characterized by the fact that the container has an opening allowing passage at least part of the applicator element in the container and the fact that the applicator has a cap at the other end of the rod to close tightly the container. Device according to any one of claims 1 to 60, characterized by the fact that the container is a tube. Device according to any one of claims 1 to 60, characterized by the fact that the product is in the form of a solid bread.

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