EP3397111A1 - Device for applying a fluid or pasty product to keratinous fibres - Google Patents

Device for applying a fluid or pasty product to keratinous fibres

Info

Publication number
EP3397111A1
EP3397111A1 EP15828655.9A EP15828655A EP3397111A1 EP 3397111 A1 EP3397111 A1 EP 3397111A1 EP 15828655 A EP15828655 A EP 15828655A EP 3397111 A1 EP3397111 A1 EP 3397111A1
Authority
EP
European Patent Office
Prior art keywords
core
rod
flexible
plastic material
applicator
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.)
Withdrawn
Application number
EP15828655.9A
Other languages
German (de)
French (fr)
Inventor
Eric DE BARDONNECHE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Industrielle de Matieres Plastiques
Original Assignee
Societe Industrielle de Matieres Plastiques
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe Industrielle de Matieres Plastiques filed Critical Societe Industrielle de Matieres Plastiques
Publication of EP3397111A1 publication Critical patent/EP3397111A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/264—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like movable within the container
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0238—Bristles with non-round cross-section
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0253—Bristles having a shape which is not a straight line, e.g. curved, "S", hook, loop
    • 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 invention relates to the field of applicators for applying a fluid or pasty product on keratin fibers such as eyelashes or eyebrows.
  • the applicators of the invention allow to apply a cosmetic product, makeup or care on the hair, eyelashes or eyebrows. It can also be used to apply a cosmetic product to the skin of an individual.
  • these applicators essentially comprise two elements: an elongated core on which is disposed at least one row of teeth or pins or protuberances. This is the simplest form of realization of this type of applicators.
  • a makeup brush having a support on which are individually and regularly implanted bristles.
  • the support and the bristles come from injection of the same moldable material.
  • the document FR 2 850 549 discloses an applicator brush for a product on keratinous fibers, comprising a bristle-supporting core of which at least a portion extend in a curved manner. Also known from FR 2 902 984 an applicator having a core and at least two rows of teeth each oriented differently vis-à-vis an outer face of the core. This type of applicator aims to improve the application of a product in particular in terms of penetration of the teeth between the eyelashes or other, smoothing the product on the eyelashes, and separation thereof.
  • EP1 593 320 which describes a mascara applicator consisting of several moving parts relative to each other and in particular a support member in which can slide axially an adjusting element.
  • This mobility makes it possible to act on the distance between the two ends of a deformable portion of the support element. It is the user himself who modifies the distance between the two ends and therefore the external volume of the applicator which comprises radially deformable parts under the action of the adjustment element.
  • this prior art does not reveal at least one flexible rod blocking with the longitudinal core and embedded in at least two points on the longitudinal core.
  • the prior art also comprises the European patent application EP 1 1817345 which describes an applicator device of a fluid or pasty product on keratin fibers, comprising an elongated core extending along a longitudinal axis XX, which is produced in a plastic material and is obtained by injection into one piece; this device further comprises at least one flexible and flexible rod oriented longitudinally and embedded in at least a first and a second point on said longitudinal core, so as to provide at least one flexural zone perpendicular to the longitudinal axis XX. Spikes or protuberances may advantageously be provided on the core and / or the flexible rods.
  • the flexion obtained with this applicator is interesting; however, only the difference in geometry makes it possible here to vary this flexion because this device is made of the same plastic material, injection-molded.
  • patent application EP 2 676 781 A1 shows an applicator having a core consisting of two materials, on which are spiked spikes consisting of the same two materials.
  • the claimed manufacturing method is relatively complex so that only specific and determined shapes and geometries can be made with such a method. In any case, it is not possible to envisage making flexible rods, as in the application EP 1 1817345, with such a method.
  • the invention aims to overcome the disadvantages of the state of the art and in particular to provide a multi-material applicator according to which the core is made of a first plastic material, and flexible rods consist of one or more other materials.
  • the invention therefore relates to an applicator device of a fluid and / or pasty product on keratinous fibers, comprising an elongated core extending along a longitudinal axis XX and at least one flexible and flexible rod oriented longitudinally and recessed into at least a first point on the longitudinal core, the core and said at least one rod being obtained by injection into one piece.
  • the core is made of a first plastic material and said at least one rod is made of at least a second plastic material.
  • the skilled person chooses the plastic material, or thermoplastic polymer, the most adapted to the needs, and which has good behavior during the injection and molding phases.
  • it can adapt the chemical nature and the hardness of the plastic material to the cosmetic composition envisaged to be applied to the keratinous fibers, or even the skin of the user.
  • said at least one flexible rod is embedded near a first end of the core and / or near a second end of the core.
  • the device comprises at least a first flexible rod formed of a second plastic material and at least a second flexible rod formed of a third plastic material.
  • the applicator device further comprises protuberances (or pins) provided and from the core and / or said at least one rod.
  • the applicator according to the invention may have pins made of different material and respectively from the core and the flexible rods.
  • the constituent plastics of the device according to the invention have a direct relationship with the capacity of the associated cosmetic composition whose behavior is thus differentiated.
  • the protuberances have an elongate shape and are oriented substantially radially vis-à-vis the longitudinal axis XX.
  • said at least one flexible rod is formed of two elongated portions belonging to the same longitudinal plane, the two parts being curved, substantially parallel to each other and recessed on the core, together in at least one point. Stems longitudinally 'reinforced' are thus provided.
  • said two elongated portions of the flexible rod are recessed together at two points near each end of the core.
  • said protuberances may be provided on at least one of said rods and have a petal shape in front view.
  • one of the ends of the core may be provided with protuberances consisting of a second plastic material.
  • the minimum difference in hardness between the constituent material of the core and the constituent material or materials of said at least one rod is 5 shore A or 5 shore D.
  • the core has substantially an elongated pen shape along the axis XX, and said rod is able to spread a cosmetic composition on the skin thanks to an external longitudinal edge.
  • the core and the rod being disposed substantially in the same longitudinal plane.
  • the outer edge of the stem allows in particular to spread a composition on the skin of a user; the stem here serves as an eyeliner; the core here comprises protuberances bristling from its outer surface, preferably perpendicular to this surface.
  • the protuberances are capable of spreading an appropriate composition on keratinous fibers such as eyelashes.
  • a device fulfilling at least two functions is provided: spreading at least one composition on the skin and on keratinous fibers.
  • said at least one flexible rod is embedded in its two ends, has a convex shape and is provided with a concave reinforcement belonging to the same longitudinal plane.
  • said at least one rod may have a wavy shape.
  • One or more waves (or waves) can constitute said undulating form.
  • Linear segments juxtaposed and oriented in at least two directions may constitute at least one of said flexible rods.
  • FIG. 1 a perspective view of an applicator device according to a first embodiment of the invention
  • Figure 1A a front view of the device of Figure 1;
  • Figure 2 is a perspective view according to a second embodiment of the invention.
  • FIG. 2A a front view of the device according to FIG. 2;
  • Figure 3 is a side view of the device according to a third embodiment
  • Figures 4 to 10 are diagrams showing side views of applicator devices provided with elongated rods having different shapes
  • Figure 1 1 is a side view of a bi-material applicator comprising a single flexible elongate shaft, formed of a double arch;
  • FIG. 12 is a perspective view of a tri-material applicator comprising a plurality of elongated rods of the double arch type;
  • Figure 13 is a variant of Figure 12, which shows several rods double arch type, each bi-material;
  • Figure 14 is a view of a bi-material applicator having a plurality of flexible rods with petal-shaped pins;
  • Figure 14A is a front view of the applicator of Figure 14;
  • Figure 15 is a perspective view of an alternative embodiment of Figure 14;
  • FIG. 16 and 17 relate to a variant of an applicator substantially in the form of a pen along its length.
  • the applicator device comprises a core 1, for example cylindrical, elongate along a longitudinal axis XX, and a rod 2 flexible and flexible longitudinally oriented.
  • the rod 2 is here embedded in two points on the core 1: at a first point near a first end 10 of the core 1, and at a second point near the second end 1 1 of the core 1.
  • the first end may be called the 'proximal end' in this text, while the second end 1 1 of the core 1 may be called 'distal end'.
  • the applicator according to FIG. 1 further comprises spikes 13, 23 elongated and spiked from the core 1 and also from the spindle 2.
  • the spikes 13, 23 are preferably oriented radially vis-à-vis the core 1; their number is chosen by the skilled person as well as their density and length. These parameters are chosen in particular according to the nature of the cosmetic composition (or fluid and / or pasty product) to be applied.
  • Figure 1A shows in front view, from the distal end 1 1, such an applicator device.
  • This figure also allows to see that the distal end 1 1 is here somehow covered by a spherical continuation 20 on which are derived pins.
  • the presence of spikes on the sphere 20 is optional, as is the presence of spikes 13 on the core 1.
  • At least spikes 23 coming from stem 2 are provided.
  • the core 1 and said rod 2 consist of different plastics, and are obtained by injection in one piece.
  • a thermoplastic polymer having good behavior during the injection and demolding phases is advantageously chosen by those skilled in the art. This characteristic makes it possible to adapt the chemical nature and the hardness of the polymer to the behavior of the cosmetic composition to be applied.
  • the behavior of wettability and adhesion of the composition or formula on the core and the pins different depending on the chemical nature of the applicator.
  • Each type of chemical formula having particular viscosity and specific surface tension, it has a given behavior vis-à-vis a given plastic material.
  • the material used to manufacture the applicator by molding has a dependency and a direct effect on the ability of the chemical composition to "wet” and "adhere" to its surface.
  • the chemical composition is more or less retained on the surface of the applicator, depending on the nature of this surface. This effect is very important when it is known that the applicator is intended to pass regularly through a wiper, a kind of ring placed on the neck of the container of the chemical composition. At each pass, a certain amount of composition remains attached to the applicator while another quantity is trapped in the container.
  • the first plastic used for the core 1 is a TPE (elastomer thermoplastic) material of the SEBS (polystyrene-b-poly (ethylene-butylene) -b-polystyrene) or PP / EPDM type ( ethylene-propylene-diene-monomer);
  • the second plastic material used for the flexible rod is a TPE of the Hytrel (TM) type or of the PE (polyethylene) family.
  • the pins 13 from the core 1 consist of the first material
  • the pins 23 from the flexible rod 2 consist of the second material. It is thus possible to provide different pin geometries for the flexible rod 2 and for the core 1.
  • the pins have an elongated shape; multiple forms can be envisaged without departing from the scope of the invention.
  • the pins are not necessarily straight; they can be curved, all curved in the same direction or not. They may optionally have the form of hooks.
  • the difference in hardness between the first plastic material, used for the core 1 and the second plastic material, used for the flexible rod 2, is between 5 shore A and 5 shore D.
  • the first material plastic has a hardness of 70 Shore A and the second plastic has a hardness of 90 Shore A.
  • FIG. 2 illustrates an embodiment that differs from that of FIG. 1 in the number of flexible rods 2 provided: two flexible rods are provided here arranged in the same longitudinal plane, that is to say angularly spaced apart from each other. 180 °. According to this example, the two rods have the same shape and the same dimension.
  • Figure 2A illustrates this symmetrical arrangement vis-à-vis a longitudinal plane. Each rod 2 is in the same material, different from that of the core 1.
  • Figure 3 illustrates an embodiment according to which two rods 2 of convex shape, each recessed near an end 10, 1 1 of the core is provided.
  • the stems belong to a longitudinal plane.
  • Straight pins 13 come from the core 1 while barbs 23 curves are derived from each flexible rod 2.
  • the right pins 13 may further have a flat face located in a common longitudinal plane.
  • FIGs 4 to 10 schematically illustrate variants of flexible rods 2; thus it is understood that the flexible rods can be embedded not only at both ends of the core, but also in one or two additional points.
  • Figure 4 shows two rods 2: one 2A embedded at both ends and at an intermediate point; the second 2B recessed at both ends and at two intermediate points.
  • Figure 5 illustrates an example where a single rod 2C is present, recessed substantially at each end.
  • the rod 2C has a wavy shape, with three undulations according to its length.
  • Figure 6 shows an embodiment with two rods 2D, 2E which extend in the same longitudinal plane, angularly offset by 180 °.
  • Each rod 2D, 2E has a main straight portion that extends substantially along the axis XX, and two portions that extend substantially perpendicular to the main portion.
  • the advantage of this embodiment is that ..
  • FIG. 7 illustrates a single flexible rod 2F having a substantially longitudinal principal portion, and two perpendicular portions which each fit close to an end 10, 1 1 of the core 1.
  • Figure 8 relates to an applicator provided with two flexible rods 2G, 2H, substantially in the same longitudinal plane;
  • the rod 2G has a corrugated portion which extends parallel to the longitudinal axis XX, and two perpendicular portions or tabs which are connected to each end of the corrugated part and each are embedded on the core 1.
  • the rod 2H has a convex curvature and is embedded substantially at the same points as the rod 2G.
  • Figure 9 shows an applicator provided with flexible rods 21 each recessed at a point on the core 1; more precisely each rod 21 is here fixed near an end 10, 1 1 of the core; each flexible rod is otherwise free at its second end. More flexibility than in the previous examples is created here, because of the ends of each rod 21 left free.
  • a longitudinal space more or less important is provided; the skilled person determines this dimensional parameter according to the circumstances. This longitudinal space can be of the order of 10% of the length of the core 1.
  • Figure 10 illustrates an example which differs from that of Figure 9 by the longitudinal arrangement of flexible rods 2J: three flexible rods 2J are embedded in a single point on the core 1, and free at their second end. Another flexible rod is embedded at both ends. It is anticipated recesses near each end 10, 1 1 of the core and intermediate recesses.
  • Figure 1 1 shows an embodiment according to which a flexible rod 2 is formed of two elongate portions 21, 22 belonging to the same longitudinal plane.
  • the two elongate portions extend substantially parallel to the longitudinal axis XX, are substantially parallel to each other and they are recessed together at two points.
  • the two embedding points are close to each end 10, 1 1 of the core 1.
  • a double arch mechanically reinforced compared to a simple arch. This arrangement is interesting when one wishes to create an intermediate cavity under the arches that will allow to imprison the formula (or composition). This makes it possible to manage the load capacity of the applicator as a function of the viscosity of the formula.
  • the core 1 consists of a first material and the rods 2 of at least a second material.
  • Figure 12 relates to an embodiment which differs from that of Figure 1 1 by the largest number of elongated portions 21, 22 or pairs.
  • the soul is made of a first plastic material; three pairs of elongate portions are made of a second plastic material while three pairs of elongated portions are of a third plastic material. It is thus possible to obtain effects and therefore different technical functions around the applicator.
  • the user during the makeup gesture rotates the applicator along the axis XX when it comes into contact with the eyelash fringe.
  • the eyelashes alternately meet pins having a different hardness and touch.
  • the flexible elongated portions 21, 22 which form a pair, that is to say substantially superposed in a longitudinal plane, here are formed respectively a second plastic material and a third plastic material.
  • the number of pairs is variable, chosen by those skilled in the art.
  • Figure 14 relates to an embodiment according to which the core 1 is provided with pins 13 oriented radially and longitudinally distributed over several rows. This is not mandatory.
  • the applicator of Figure 14 further comprises two flexible rods 2 each recessed near an end 10, 1 1 of the soul I.
  • the flexible rods 2 are curved and convex. They are further provided with a concave longitudinal reinforcement 25 belonging to the same plane.
  • the flexible rods 2 are here provided with protuberances 23 in the shape of a petal in front view.
  • Figure 14A clearly shows this arrangement, by this front view. It is understood that the two flexible rods 2 are arranged diametrically opposite, and provided with protuberances 23 shaped petal.
  • Figure 15 is a variant of Figure 14 in that it shows an alternating angular rows of flexible rods 2 provided with petals 23 and rows of pins 13. A generally more rigid applicator is here obtained. There are here four rows of pins 23 in the form of petals, associated with four rows of pins 13 from the core 1.
  • Figure 16 characterizes an alternative according to which there is provided a flexible rod 2 not provided with protuberances; in addition, an elongated core 1 is provided along the longitudinal axis XX, substantially in the form of a feather. The rod 2 and more precisely its outer edge 26 can spread a cosmetic product on the skin of the user, like a 'liner'.
  • Protuberances or pins 13 are provided on the core 1; the pins 13 are preferably oriented perpendicularly to the outer surface of the core 1.
  • the rod 2 and the core 1 are provided in the same longitudinal plane as shown in the perspective view of Figure 17, with a generally elongated and flat shape of the applicator.

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Brushes (AREA)

Abstract

The present invention relates to a device for applying a fluid and/or pasty product to keratinous fibres, comprising an elongate core (1) extending along a longitudinal axis XX and at least one supple flexible wand (2) oriented longitudinally and inset at least at a first point onto the longitudinal core, the core and the said at least one wand being obtained by injection moulding in a single piece. According to the invention, the core is made of a first plastic and the said at least one wand is made of at least one second plastic.

Description

DISPOSITIF APPLICATEUR DE PRODUIT FLUIDE OU PATEUX SUR DES  FLUID OR PASTY PRODUCT APPLICATOR DEVICE ON
FIBRES KERATINIQUES  KERATIN FIBERS
DOMAINE TECHNIQUE DE L'INVENTION TECHNICAL FIELD OF THE INVENTION
[0001] L'invention se rapporte au domaine des applicateurs pour appliquer un produit fluide ou pâteux sur des fibres kératiniques telles que des cils ou des sourcils. De façon particulière les applicateurs visés par l'invention permettent d'appliquer un produit cosmétique, de maquillage ou de soin sur les poils, cils ou sourcils. Il peut en outre permettre d'appliquer un produit cosmétique sur la peau d'un individu.  The invention relates to the field of applicators for applying a fluid or pasty product on keratin fibers such as eyelashes or eyebrows. In particular the applicators of the invention allow to apply a cosmetic product, makeup or care on the hair, eyelashes or eyebrows. It can also be used to apply a cosmetic product to the skin of an individual.
[0002] De façon connue, ces applicateurs comprennent essentiellement deux éléments : une âme de forme allongée sur laquelle est disposée au moins une rangée de dents ou picots ou protubérances. Cela constitue la forme la plus simple de réalisation de ce type d'applicateurs. In known manner, these applicators essentially comprise two elements: an elongated core on which is disposed at least one row of teeth or pins or protuberances. This is the simplest form of realization of this type of applicators.
ETAT DE LA TECHNIQUE ANTERIEURE STATE OF THE PRIOR ART
[0003] On connaît de nombreux documents qui divulguent des produits de ce type qui visent avant tout à permettre de charger puis d'appliquer le produit idoine d'une manière aisée, simple et fiable, avec un résultat harmonieux. Dans le domaine considéré, on parle de fonction de charge, de fonction de séparation, de fonction de définition ou encore de fonction de recourbement qui doivent être réalisées par un tel applicateur.  Many documents are known which disclose products of this type which are primarily intended to allow to load and then apply the appropriate product in an easy manner, simple and reliable, with a harmonious result. In the field considered, we speak of charge function, separation function, definition function or bending function that must be performed by such an applicator.
[0004] Depuis un certain temps déjà on connaît, par exemple par l'enseignement du document FR 2 505 633, une brosse de maquillage présentant un support sur lequel sont individuellement et régulièrement implantés des poils. Selon une caractéristique de cette invention, le support et les poils (ou picot ou protubérances) viennent d'injection d'un même matériau moulable. For some time already known, for example by the teaching of FR 2 505 633, a makeup brush having a support on which are individually and regularly implanted bristles. According to a feature of this invention, the support and the bristles (or pin or protuberances) come from injection of the same moldable material.
[0005] A titre illustratif, le document FR 2 850 549 divulgue une brosse applicatrice d'un produit sur des fibres kératiniques, comportant une âme supportant des poils dont une partie au moins s'étendent de manière incurvée. [0006] On connaît encore par le document FR 2 902 984 un applicateur comportant une âme et au moins deux rangées de dents chacune orientées différemment vis-à-vis d'une face extérieure de l'âme. Ce type d'applicateur vise à améliorer l'application d'un produit notamment en termes de pénétration des dents entre les cils ou autres, de lissage du produit sur les cils, et de séparation de ceux-ci. By way of illustration, the document FR 2 850 549 discloses an applicator brush for a product on keratinous fibers, comprising a bristle-supporting core of which at least a portion extend in a curved manner. Also known from FR 2 902 984 an applicator having a core and at least two rows of teeth each oriented differently vis-à-vis an outer face of the core. This type of applicator aims to improve the application of a product in particular in terms of penetration of the teeth between the eyelashes or other, smoothing the product on the eyelashes, and separation thereof.
[0007] On connaît encore le document EP1 593 320 qui décrit un applicateur de mascara constitué de plusieurs pièces mobiles les unes par rapport aux autres et notamment un élément de support dans lequel peut coulisser axialement un élément de réglage. Cette mobilité permet d'agir sur la distance entre les deux extrémités d'une portion déformable de l'élément support. C'est l'utilisateur lui- même qui modifie la distance entre les deux extrémités et donc le volume extérieur de l'applicateur qui comprend des parties radialement déformables sous l'action de l'élément de réglage. Ainsi cet art antérieur ne révèle pas au moins une tige souple faisant bloc avec l'âme longitudinale et encastrée en au moins deux points sur cette âme longitudinale. Also known EP1 593 320 which describes a mascara applicator consisting of several moving parts relative to each other and in particular a support member in which can slide axially an adjusting element. This mobility makes it possible to act on the distance between the two ends of a deformable portion of the support element. It is the user himself who modifies the distance between the two ends and therefore the external volume of the applicator which comprises radially deformable parts under the action of the adjustment element. Thus this prior art does not reveal at least one flexible rod blocking with the longitudinal core and embedded in at least two points on the longitudinal core.
[0008] On connaît en outre la demande de brevet FR 2 506 581 A1 qui montre une brosse de maquillage du même type que celles divulguées ci-dessus, constituée de plusieurs parties mobiles les unes par rapport aux autres. Also known is the patent application FR 2 506 581 A1 which shows a make-up brush of the same type as those disclosed above, consisting of several movable parts relative to each other.
[0009] On connaît également par le brevet français FR 2 963 215 un dispositif applicateur permettant de régler et/ou de contrôler la souplesse des dents qui le constituent ; ce dispositif est ainsi constitué d'une âme et de plusieurs rangées de picots ; une première série de picots s'étend depuis l'âme jusqu'à une tige longitudinale tandis qu'une deuxième série de picots présente une première extrémité liée à la tige et une deuxième extrémité libre. Ce type d'applicateur permet de régler et/ou de contrôler la souplesse des dents (ou picots). Cependant un tel applicateur manque de souplesse radiale ; il est très peu déformable radialement ce qui est un inconvénient lorsqu'il s'agit de le faire traverser un élément annulaire appelé essoreur placé en sortie du conteneur du produit à appliquer. En effet la « charge « c'est-à-dire la quantité de produit en prise sur le dispositif n'est pas optimale et peut être insuffisante pour une bonne application sur les cils, avec un tel dispositif connu. Also known from French Patent FR 2 963 215 an applicator device for adjusting and / or control the flexibility of the teeth that constitute it; this device thus consists of a core and several rows of pins; a first series of pins extends from the core to a longitudinal rod while a second series of pins has a first end connected to the rod and a second free end. This type of applicator makes it possible to adjust and / or control the flexibility of the teeth (or pins). However, such an applicator lacks radial flexibility; it is very little radially deformable which is a disadvantage when it comes to pass through an annular element called wiper placed at the outlet of the product container to be applied. Indeed the "load" that is to say the amount of product in device is not optimal and may be insufficient for a good application on the eyelashes, with such a known device.
[0010] L'art antérieur comprend encore la demande de brevet Européenne EP 1 1817345 qui décrit un dispositif applicateur d'un produit fluide ou pâteux sur des fibres kératiniques, comprenant une âme allongée s'étendant selon un axe longitudinal XX, qui est réalisé en une matière plastique et est obtenu par injection en une seule pièce ; ce dispositif comprend en outre au moins une tige souple et flexible orientée longitudinalement et encastrée en au moins un premier et un deuxième points sur ladite âme longitudinale, de façon à ménager au moins une zone de flexion perpendiculaire à l'axe longitudinal XX. Des picots ou protubérances peuvent avantageusement être prévus sur l'âme et/ou les tiges souples. La flexion obtenue avec cet applicateur est intéressante ; cependant seule la différence de géométrie permet ici de faire varier cette flexion car ce dispositif est réalisé en une même matière plastique, moulé par injection. The prior art also comprises the European patent application EP 1 1817345 which describes an applicator device of a fluid or pasty product on keratin fibers, comprising an elongated core extending along a longitudinal axis XX, which is produced in a plastic material and is obtained by injection into one piece; this device further comprises at least one flexible and flexible rod oriented longitudinally and embedded in at least a first and a second point on said longitudinal core, so as to provide at least one flexural zone perpendicular to the longitudinal axis XX. Spikes or protuberances may advantageously be provided on the core and / or the flexible rods. The flexion obtained with this applicator is interesting; however, only the difference in geometry makes it possible here to vary this flexion because this device is made of the same plastic material, injection-molded.
[0011] Il existe donc des limites des caractéristiques techniques obtenues avec ce type d'applicateur ; de plus la rhéologie de la matière plastique utilisée limite les géométries possibles pour les picots (ou protubérances) présents sur l'âme et sur les tiges souples ; des géométries et dimensions de picots proches doivent être prévues sur tout l'applicateur. Ceci est un inconvénient technique notable, comme il sera bien compris à la lecture des avantages apportés par la présente invention. There are therefore limits of the technical characteristics obtained with this type of applicator; moreover, the rheology of the plastic material used limits the possible geometries for the pins (or protuberances) present on the core and on the flexible rods; close geometries and dimensions of pins must be provided on the entire applicator. This is a significant technical disadvantage, as will be well understood from reading the advantages provided by the present invention.
[0012] Concernant les applicateurs constitués de deux matières différentes, on connaît la demande de brevet EP 2 676 781 A1 qui montre un applicateur ayant une âme constituée de deux matières, sur laquelle sont hérissés des picots constitués des deux mêmes matières. Le procédé de fabrication revendiqué est relativement complexe de sorte que seules des formes et géométries spécifiques et déterminées peuvent être réalisées avec un tel procédé. On ne peut en aucun cas envisager de réaliser des tiges souples, comme dans la demande EP 1 1817345, avec un tel procédé. Regarding the applicators consist of two different materials, is known from patent application EP 2 676 781 A1 which shows an applicator having a core consisting of two materials, on which are spiked spikes consisting of the same two materials. The claimed manufacturing method is relatively complex so that only specific and determined shapes and geometries can be made with such a method. In any case, it is not possible to envisage making flexible rods, as in the application EP 1 1817345, with such a method.
EXPOSE DE L'INVENTION [0013] L'invention vise à remédier aux inconvénients de l'état de la technique et notamment à proposer un applicateur multi matières selon lequel l'âme est constituée en une première matière plastique, et des tiges flexibles sont constituées en une ou plusieurs autres matières. SUMMARY OF THE INVENTION The invention aims to overcome the disadvantages of the state of the art and in particular to provide a multi-material applicator according to which the core is made of a first plastic material, and flexible rods consist of one or more other materials.
[0014] L'invention vise donc un dispositif applicateur d'un produit fluide et/ou pâteux sur des fibres kératiniques, comprenant une âme allongée s'étendant selon un axe longitudinal XX et au moins une tige souple et flexible orientée longitudinalement et encastrée en au moins un premier point sur l'âme longitudinale, l'âme et ladite au moins une tige étant obtenus par injection en une seule pièce. The invention therefore relates to an applicator device of a fluid and / or pasty product on keratinous fibers, comprising an elongated core extending along a longitudinal axis XX and at least one flexible and flexible rod oriented longitudinally and recessed into at least a first point on the longitudinal core, the core and said at least one rod being obtained by injection into one piece.
[0015] Selon un premier aspect de l'invention, l'âme est constituée en une première matière plastique et ladite au moins une tige est constituée en au moins une deuxième matière plastique. According to a first aspect of the invention, the core is made of a first plastic material and said at least one rod is made of at least a second plastic material.
[0016] L'homme de métier choisit la matière plastique, ou polymère thermoplastique, le plus adapté aux besoins, et qui présente un bon comportement lors des phases d'injection et de moulage. En particulier il peut adapter la nature chimique et la dureté du matériau plastique à la composition cosmétique envisagée pour être appliquée sur les fibres kératiniques, voire la peau de l'utilisateur. The skilled person chooses the plastic material, or thermoplastic polymer, the most adapted to the needs, and which has good behavior during the injection and molding phases. In particular, it can adapt the chemical nature and the hardness of the plastic material to the cosmetic composition envisaged to be applied to the keratinous fibers, or even the skin of the user.
[0017] Selon un mode de réalisation de l'invention, ladite au moins une tige souple est encastrée à proximité d'une première extrémité de l'âme et/ou à proximité d'une deuxième extrémité de l'âme. According to one embodiment of the invention, said at least one flexible rod is embedded near a first end of the core and / or near a second end of the core.
[0018] De façon plus particulière, le dispositif comprend au moins une première tige souple formée en une deuxième matière plastique et au moins une deuxième tige souple formée en une troisième matière plastique. More particularly, the device comprises at least a first flexible rod formed of a second plastic material and at least a second flexible rod formed of a third plastic material.
[0019] De façon intéressante, le dispositif applicateur comprend en outre des protubérances (ou picots) prévues et issues de l'âme et/ou de ladite au moins une tige. De façon très intéressante, l'applicateur selon l'invention peut présenter des picots constitués de matière différente et issus respectivement de l'âme et des tiges flexibles. Les matières plastiques constitutives du dispositif selon l'invention présentent une relation directe avec la capacité de la composition cosmétique associée dont le comportement est ainsi différencié. Interestingly, the applicator device further comprises protuberances (or pins) provided and from the core and / or said at least one rod. In a very interesting way, the applicator according to the invention may have pins made of different material and respectively from the core and the flexible rods. The constituent plastics of the device according to the invention have a direct relationship with the capacity of the associated cosmetic composition whose behavior is thus differentiated.
[0020] Préférentiellement les protubérances présentent une forme allongée et sont orientées sensiblement radialement vis-à-vis de l'axe longitudinal XX. Preferably the protuberances have an elongate shape and are oriented substantially radially vis-à-vis the longitudinal axis XX.
[0021] Selon un mode particulier de réalisation de l'invention, ladite au moins une tige souple est formée de deux parties allongées appartenant à un même plan longitudinal, les deux parties étant courbes, sensiblement parallèles entre elles et encastrées sur l'âme, ensemble en au moins un point. Des tiges longitudinalement 'renforcées' sont ainsi prévues. According to a particular embodiment of the invention, said at least one flexible rod is formed of two elongated portions belonging to the same longitudinal plane, the two parts being curved, substantially parallel to each other and recessed on the core, together in at least one point. Stems longitudinally 'reinforced' are thus provided.
[0022] De façon préférée, lesdites deux parties allongées de la tige souple sont encastrées ensemble en deux points proches de chaque extrémité de l'âme. Preferably, said two elongated portions of the flexible rod are recessed together at two points near each end of the core.
[0023] Sans sortir du cadre de l'invention, lesdites protubérances peuvent être prévues sur l'une au moins desdites tiges et présenter une forme de pétale en vue de face. Without departing from the scope of the invention, said protuberances may be provided on at least one of said rods and have a petal shape in front view.
[0024] Par ailleurs, l'une des extrémités de l'âme peut être pourvue de protubérances constituées d'une deuxième matière plastique. Furthermore, one of the ends of the core may be provided with protuberances consisting of a second plastic material.
[0025] En outre, la différence minimale de dureté entre la matière constitutive de l'âme et la ou les matières constitutives de ladite au moins une tige, est de 5 shore A ou de 5 shore D. In addition, the minimum difference in hardness between the constituent material of the core and the constituent material or materials of said at least one rod, is 5 shore A or 5 shore D.
[0026] Conformément à un autre mode de réalisation de l'invention, l'âme présente sensiblement une forme de plume allongée selon l'axe XX, et ladite tige est apte à étaler une composition cosmétique sur la peau grâce à une arête longitudinale externe, l'âme et la tige étant disposées sensiblement dans un même plan longitudinal. L'arête externe de la tige permet notamment d'étaler une composition sur la peau d'un utilisateur ; la tige sert ici d'eye liner' ; l'âme comprend ici des protubérances hérissées depuis sa surface extérieure, de préférence perpendiculairement à cette surface. Les protubérances sont aptes à étaler une composition appropriée sur des fibres kératiniques telles que des cils. On réalise ici un dispositif remplissant au moins deux fonctions : étaler au moins une composition sur la peau et sur des fibres kératiniques. According to another embodiment of the invention, the core has substantially an elongated pen shape along the axis XX, and said rod is able to spread a cosmetic composition on the skin thanks to an external longitudinal edge. , the core and the rod being disposed substantially in the same longitudinal plane. The outer edge of the stem allows in particular to spread a composition on the skin of a user; the stem here serves as an eyeliner; the core here comprises protuberances bristling from its outer surface, preferably perpendicular to this surface. The protuberances are capable of spreading an appropriate composition on keratinous fibers such as eyelashes. Here a device fulfilling at least two functions is provided: spreading at least one composition on the skin and on keratinous fibers.
[0027] Selon l'invention, ladite au moins une tige souple est encastrée en ses deux extrémités, présente une forme convexe et est munie d'un renfort concave appartenant au même plan longitudinal. According to the invention, said at least one flexible rod is embedded in its two ends, has a convex shape and is provided with a concave reinforcement belonging to the same longitudinal plane.
[0028] Par ailleurs, ladite au moins une tige peut présenter une forme ondulée. Une ou plusieurs ondulations (ou vagues) peuvent constituer ladite forme ondulée. Des segments linéaires juxtaposés et orientés selon au moins deux directions peuvent constituer l'une au moins desdites tiges flexibles. Moreover, said at least one rod may have a wavy shape. One or more waves (or waves) can constitute said undulating form. Linear segments juxtaposed and oriented in at least two directions may constitute at least one of said flexible rods.
BREVE DESCRIPTION DES FIGURES BRIEF DESCRIPTION OF THE FIGURES
[0029] [001 ] D'autres caractéristiques et avantages de l'invention ressortiront à la lecture de la description qui suit, en référence aux figures annexées, qui illustrent : la figure 1 , une vue en perspective d'un dispositif applicateur selon un premier mode de réalisation de l'invention ;  Other features and advantages of the invention will become apparent on reading the description which follows, with reference to the appended figures, which illustrate: FIG. 1, a perspective view of an applicator device according to a first embodiment of the invention;
la figure 1 A, une vue de face du dispositif de la figure 1 ;  Figure 1A, a front view of the device of Figure 1;
la figure 2, une vue en perspective selon un deuxième mode de réalisation de l'invention ;  Figure 2 is a perspective view according to a second embodiment of the invention;
la figure 2A, une vue de face du dispositif selon la figure 2 ;  FIG. 2A, a front view of the device according to FIG. 2;
la figure 3, une vue de côté du dispositif selon un troisième mode de réalisation ;  Figure 3 is a side view of the device according to a third embodiment;
les figures 4 à 10 sont des schémas montrant des vues de côté de dispositifs applicateurs pourvus de tiges allongées présentant différentes formes ;  Figures 4 to 10 are diagrams showing side views of applicator devices provided with elongated rods having different shapes;
la figure 1 1 est une vue de côté d'un applicateur bi-matière comprenant une seule tige allongée flexible, formée d'une double arche ;  Figure 1 1 is a side view of a bi-material applicator comprising a single flexible elongate shaft, formed of a double arch;
- la figure 12 est une vue en perspective d'un applicateur tri-matière comprenant plusieurs tiges allongées de type double arche ;  - Figure 12 is a perspective view of a tri-material applicator comprising a plurality of elongated rods of the double arch type;
la figure 13 est une variante de la figure 12, qui montre plusieurs tiges de type double arche, chacune bi-matière ; la figure 14 est une vue d'un applicateur bi-matière présentant plusieurs tiges flexibles dotées de picots en forme de pétales ; Figure 13 is a variant of Figure 12, which shows several rods double arch type, each bi-material; Figure 14 is a view of a bi-material applicator having a plurality of flexible rods with petal-shaped pins;
la figure 14A est une vue de face de l'applicateur de la figure 14 ;  Figure 14A is a front view of the applicator of Figure 14;
la figure 15 est une vue en perspective d'une variante de réalisation de la figure 14 ;  Figure 15 is a perspective view of an alternative embodiment of Figure 14;
- les figures 16 et 17 concernent une variante d'un applicateur sensiblement en forme de plume selon sa longueur.  - Figures 16 and 17 relate to a variant of an applicator substantially in the form of a pen along its length.
[0030] Pour plus de clarté, les éléments identiques ou similaires sont repérés par des signes de référence identiques sur l'ensemble des figures. For clarity, identical or similar elements are identified by identical reference signs throughout the figures.
DESCRIPTION DETAILLEE D'UN MODE DE REALISATION DETAILED DESCRIPTION OF AN EMBODIMENT
[0031] La figure 1 illustre un premier exemple de réalisation de l'invention, selon lequel le dispositif applicateur comprend une âme 1 par exemple cylindrique, allongée selon un axe longitudinal XX, ainsi qu'une tige 2 flexible et souple orientée longitudinalement. La tige 2 est ici encastrée en deux points sur l'âme 1 : en un premier point proche d'une première extrémité 10 de l'âme 1 , et en un second point proche de la deuxième extrémité 1 1 de l'âme 1 . La première extrémité pourra encore être appelée 'extrémité proximale' dans ce texte, tandis que la seconde extrémité 1 1 de l'âme 1 pourra être appelée 'extrémité distale'. L'applicateur selon la figure 1 comprend en outre des picots 13, 23 allongés et hérissés depuis l'âme 1 et aussi depuis la tige 2. Les picots 13, 23 sont préférentiellement orientés radialement vis-à-vis de l'âme 1 ; leur nombre est choisi par l'homme de métier ainsi que leur densité et leur longueur. Ces paramètres sont notamment choisis en fonction de la nature de la composition cosmétique (ou produit fluide et/ou pâteux) à appliquer. Illustrates a first embodiment of the invention, wherein the applicator device comprises a core 1, for example cylindrical, elongate along a longitudinal axis XX, and a rod 2 flexible and flexible longitudinally oriented. The rod 2 is here embedded in two points on the core 1: at a first point near a first end 10 of the core 1, and at a second point near the second end 1 1 of the core 1. The first end may be called the 'proximal end' in this text, while the second end 1 1 of the core 1 may be called 'distal end'. The applicator according to FIG. 1 further comprises spikes 13, 23 elongated and spiked from the core 1 and also from the spindle 2. The spikes 13, 23 are preferably oriented radially vis-à-vis the core 1; their number is chosen by the skilled person as well as their density and length. These parameters are chosen in particular according to the nature of the cosmetic composition (or fluid and / or pasty product) to be applied.
[0032] La figure 1A montre en vue de face, depuis l'extrémité distale 1 1 , un tel dispositif applicateur. Cette figure permet en outre de voir que l'extrémité distale 1 1 est ici en quelque sorte recouverte par une continuation sphérique 20 sur laquelle sont issus des picots. La présence de picots sur la sphère 20 est facultative, tout comme la présence de picots 13 sur l'âme 1 . On prévoit au minimum des picots 23 issus de la tige 2. [0033] De façon remarquable, l'âme 1 et ladite tige 2 sont constitués de matières plastiques différentes, et sont obtenus par injection en une seule pièce. Un polymère thermoplastique ayant un bon comportement lors des phases d'injection et de démoulage est avantageusement choisi par l'homme de métier. Cette caractéristique permet d'adapter la nature chimique et la dureté du polymère au comportement de la composition cosmétique à appliquer. En particulier le comportement de mouillabilité et d'adhérence de la composition ou formule sur l'âme et sur les picots différent selon la nature chimique de l'applicateur. Chaque type de formule chimique ayant notamment une viscosité et une tension superficielle spécifique, elle présente un comportement donné vis-à-vis d'un matériau plastique donné. La matière utilisée pour la fabrication de l'applicateur par moulage, a une dépendance et un effet direct sur la capacité de la composition chimique à 'mouiller' et à 'adhérer' à sa surface. Notamment la composition chimique est plus ou moins retenue en surface de l'applicateur, selon la nature de cette surface. Cet effet est très important lorsque l'on sait que l'applicateur est destiné à passer régulièrement à travers un essoreur, sorte d'anneau placé sur le col du contenant de la composition chimique. A chaque passage, une certaine quantité de composition reste attachée sur l'applicateur tandis qu'une autre quantité est piégé dans le contenant. Figure 1A shows in front view, from the distal end 1 1, such an applicator device. This figure also allows to see that the distal end 1 1 is here somehow covered by a spherical continuation 20 on which are derived pins. The presence of spikes on the sphere 20 is optional, as is the presence of spikes 13 on the core 1. At least spikes 23 coming from stem 2 are provided. In a remarkable way, the core 1 and said rod 2 consist of different plastics, and are obtained by injection in one piece. A thermoplastic polymer having good behavior during the injection and demolding phases is advantageously chosen by those skilled in the art. This characteristic makes it possible to adapt the chemical nature and the hardness of the polymer to the behavior of the cosmetic composition to be applied. In particular the behavior of wettability and adhesion of the composition or formula on the core and the pins different depending on the chemical nature of the applicator. Each type of chemical formula having particular viscosity and specific surface tension, it has a given behavior vis-à-vis a given plastic material. The material used to manufacture the applicator by molding has a dependency and a direct effect on the ability of the chemical composition to "wet" and "adhere" to its surface. In particular, the chemical composition is more or less retained on the surface of the applicator, depending on the nature of this surface. This effect is very important when it is known that the applicator is intended to pass regularly through a wiper, a kind of ring placed on the neck of the container of the chemical composition. At each pass, a certain amount of composition remains attached to the applicator while another quantity is trapped in the container.
[0034] A titre illustratif, la première plastique, utilisée pour l'âme 1 , est une matière TPE (thermoplastique élastomère) du type SEBS (polystyrène-b-poly(éthylène- butylène)-b-polystyrène) ou PP/EPDM (éthylène-propylène-diène-monomère) ; la deuxième matière plastique, utilisée pour la tige flexible est un TPE du type Hytrel (TM) ou de la famille des PE (polyéthylène). Bien entendu, les picots 13 issus de l'âme 1 sont constitués de la première matière, et les picots 23 issus de la tige flexible 2 sont constitués de la deuxième matière. Il est ainsi possible de prévoir des géométries de picots différentes pour la tige flexible 2 et pour l'âme 1 . Cette caractéristique est envisageable et compatible avec les règles de rhéologie classiques ; cette possibilité n'existe pas si l'on prévoit, comme dans l'art antérieur, de mouler l'applicateur avec une seule matière. Un avantage certain et décisif découle donc de l'utilisation de plusieurs matières plastiques pour fabriquer par moulage, en une seule pièce, un applicateur selon l'invention. [0035] Comme il sera explicité ci-après, les picots présentent une forme allongée ; de multiples formes peuvent être envisagées sans sortir du cadre de l'invention. Les picots ne sont pas nécessairement droits ; ils peuvent être courbes, tous courbés dans le même sens ou pas. Ils peuvent éventuellement présenter la forme de crochets. By way of illustration, the first plastic used for the core 1 is a TPE (elastomer thermoplastic) material of the SEBS (polystyrene-b-poly (ethylene-butylene) -b-polystyrene) or PP / EPDM type ( ethylene-propylene-diene-monomer); the second plastic material used for the flexible rod is a TPE of the Hytrel (TM) type or of the PE (polyethylene) family. Of course, the pins 13 from the core 1 consist of the first material, and the pins 23 from the flexible rod 2 consist of the second material. It is thus possible to provide different pin geometries for the flexible rod 2 and for the core 1. This characteristic is conceivable and compatible with the classical rules of rheology; this possibility does not exist if it is provided, as in the prior art, to mold the applicator with a single material. A certain and decisive advantage therefore derives from the use of several plastics to manufacture by molding, in one piece, an applicator according to the invention. As will be explained below, the pins have an elongated shape; multiple forms can be envisaged without departing from the scope of the invention. The pins are not necessarily straight; they can be curved, all curved in the same direction or not. They may optionally have the form of hooks.
[0036] La différence de dureté entre la première matière plastique, utilisée pour l'âme 1 et la deuxième matière plastique, utilisée pour la tige souple 2, est comprise entre 5 shore A et 5 shore D. A titre illustratif, la première matière plastique présente une dureté de 70 Shore A et la deuxième matière plastique a une dureté de 90 Shore A. The difference in hardness between the first plastic material, used for the core 1 and the second plastic material, used for the flexible rod 2, is between 5 shore A and 5 shore D. As an illustration, the first material plastic has a hardness of 70 Shore A and the second plastic has a hardness of 90 Shore A.
[0037] La figure 2 illustre un mode de réalisation qui diffère de celui de la figure 1 par le nombre de tiges flexible 2 prévues : on prévoit ici deux tiges flexibles disposées dans un même plan longitudinal c'est-à-dire angulairement espacés de 180°. Selon cet exemple, les deux tiges présentent la même forme et la même dimension. La figure 2A illustre bien cet arrangement symétrique vis-à-vis d'un plan longitudinal. Chaque tige 2 est en une même matière, différente de celle de l'âme 1 . FIG. 2 illustrates an embodiment that differs from that of FIG. 1 in the number of flexible rods 2 provided: two flexible rods are provided here arranged in the same longitudinal plane, that is to say angularly spaced apart from each other. 180 °. According to this example, the two rods have the same shape and the same dimension. Figure 2A illustrates this symmetrical arrangement vis-à-vis a longitudinal plane. Each rod 2 is in the same material, different from that of the core 1.
[0038] La figure 3 illustre un mode de réalisation selon lequel deux tiges 2 de forme convexes, chacune encastrée à proximité d'une extrémité 10, 1 1 de l'âme est prévue. Les tiges appartiennent à un plan longitudinal. Des picots droits 13 sont issus de l'âme 1 tandis que des picots 23 courbes sont issus de chaque tige flexible 2. Les picots droits 13 peuvent de plus présenter une face plane située dans un plan longitudinal commun. Figure 3 illustrates an embodiment according to which two rods 2 of convex shape, each recessed near an end 10, 1 1 of the core is provided. The stems belong to a longitudinal plane. Straight pins 13 come from the core 1 while barbs 23 curves are derived from each flexible rod 2. The right pins 13 may further have a flat face located in a common longitudinal plane.
[0039] Les figures 4 à 10 illustrent de façon schématique des variantes de tiges flexibles 2 ; ainsi on comprend que les tiges flexibles peuvent être encastrées non seulement aux deux extrémités de l'âme, mais encore en un ou deux points additionels. Figures 4 to 10 schematically illustrate variants of flexible rods 2; thus it is understood that the flexible rods can be embedded not only at both ends of the core, but also in one or two additional points.
[0040] La figure 4 montre deux tiges 2 : l'une 2A encastrée aux deux extrémités et en un point intermédiaire ; la deuxième 2B encastrée aux deux extrémités et en deux points intermédiaires. [0041] La figure 5 illustre un exemple où une seule tige 2C est présente, encastrée sensiblement à chaque extrémité. La tige 2C présente une forme ondulée, avec trois ondulations selon sa longueur. Figure 4 shows two rods 2: one 2A embedded at both ends and at an intermediate point; the second 2B recessed at both ends and at two intermediate points. Figure 5 illustrates an example where a single rod 2C is present, recessed substantially at each end. The rod 2C has a wavy shape, with three undulations according to its length.
[0042] La figure 6 montre une réalisation avec deux tiges 2D, 2E qui s'étendent dans un même plan longitudinal, angulairement décalées de 180°. Chaque tige 2D, 2E présente une portion principale droite qui s'étend sensiblement selon l'axe XX, et deux portions qui s'étendent sensiblement perpendiculairement à la portion principale. L'avantage de cet exemple de réalisation réside en ce que .. Figure 6 shows an embodiment with two rods 2D, 2E which extend in the same longitudinal plane, angularly offset by 180 °. Each rod 2D, 2E has a main straight portion that extends substantially along the axis XX, and two portions that extend substantially perpendicular to the main portion. The advantage of this embodiment is that ..
[0043] La figure 7 illustre une seule tige flexible 2F ayant une portion principale sensiblement longitudinale, et deux portions perpendiculaires qui s'encastrent chacune à proximité d'une extrémité 10, 1 1 de l'âme 1 . FIG. 7 illustrates a single flexible rod 2F having a substantially longitudinal principal portion, and two perpendicular portions which each fit close to an end 10, 1 1 of the core 1.
[0044] La figure 8 concerne un applicateur muni de deux tiges flexibles 2G, 2H, appartenant sensiblement à un même plan longitudinal ; la tige 2G présente une partie ondulée qui s'étend parallèlement à l'axe longitudinal XX, et deux parties ou pattes perpendiculaires qui sont reliées à chaque extrémité de la partie ondulée et chacune sont encastrée sur l'âme 1. La tige 2H présente une courbure convexe et est encastrée sensiblement aux mêmes points que la tige 2G. Figure 8 relates to an applicator provided with two flexible rods 2G, 2H, substantially in the same longitudinal plane; the rod 2G has a corrugated portion which extends parallel to the longitudinal axis XX, and two perpendicular portions or tabs which are connected to each end of the corrugated part and each are embedded on the core 1. The rod 2H has a convex curvature and is embedded substantially at the same points as the rod 2G.
[0045] La figure 9 présente un applicateur muni de tiges flexibles 21 chacune encastrée en un point sur l'âme 1 ; plus précisément chaque tige 21 est ici fixée à proximité d'une extrémité 10, 1 1 de l'âme ; chaque tige flexible est par ailleurs libre au niveau de sa deuxième extrémité. Une plus grande souplesse que dans les exemples précédents est ici crée, du fait des extrémités de chaque tige 21 laissées libres. Un espace longitudinal plus ou moins important est donc prévu ; l'homme de métier détermine ce paramètre dimensionnel en fonction des circonstances. Cet espace longitudinal peut être de l'ordre de 10% de la longueur de l'âme 1 . Figure 9 shows an applicator provided with flexible rods 21 each recessed at a point on the core 1; more precisely each rod 21 is here fixed near an end 10, 1 1 of the core; each flexible rod is otherwise free at its second end. More flexibility than in the previous examples is created here, because of the ends of each rod 21 left free. A longitudinal space more or less important is provided; the skilled person determines this dimensional parameter according to the circumstances. This longitudinal space can be of the order of 10% of the length of the core 1.
[0046] La figure 10 illustre un exemple qui diffère de celui de la figure 9 par l'arrangement longitudinal des tiges flexibles 2J : trois tiges flexibles 2J sont encastrées en un seul point sur l'âme 1 , et libre à leur seconde extrémité. Une autre tige flexible est encastrée à ses deux extrémités. On prévoit des encastrements près de chaque extrémité 10, 1 1 de l'âme ainsi que des encastrements intermédiaires. Figure 10 illustrates an example which differs from that of Figure 9 by the longitudinal arrangement of flexible rods 2J: three flexible rods 2J are embedded in a single point on the core 1, and free at their second end. Another flexible rod is embedded at both ends. It is anticipated recesses near each end 10, 1 1 of the core and intermediate recesses.
[0047] La figure 1 1 montre un mode de réalisation selon lequel une tige souple 2 est formée de deux parties allongées 21 , 22 appartenant à un même plan longitudinal. Les deux parties allongées s'étendent sensiblement parallèlement à l'axe longitudinal XX, sont sensiblement parallèles entre elles et elles sont encastrées ensemble en deux points. Les deux points d'encastrement sont proches de chaque extrémité 10, 1 1 de l'âme 1. On réalise ici une double arche, mécaniquement renforcée par rapport à une simple arche. Cet arrangement est intéressant lorsque l'on souhaite créer une cavité intermédiaire sous les arches qui va permettre d'emprisonner la formule (ou composition). Cela permet de gérer la capacité de charge de l'applicateur en fonction de la viscosité de la formule. Figure 1 1 shows an embodiment according to which a flexible rod 2 is formed of two elongate portions 21, 22 belonging to the same longitudinal plane. The two elongate portions extend substantially parallel to the longitudinal axis XX, are substantially parallel to each other and they are recessed together at two points. The two embedding points are close to each end 10, 1 1 of the core 1. There is carried out here a double arch, mechanically reinforced compared to a simple arch. This arrangement is interesting when one wishes to create an intermediate cavity under the arches that will allow to imprison the formula (or composition). This makes it possible to manage the load capacity of the applicator as a function of the viscosity of the formula.
[0048] Sans sortir du cadre de l'invention il est possible de prévoir un seul point d'encastrement pour les deux parties allongées 21 , 22, ou plus de deux points d'encastrement. Without departing from the scope of the invention it is possible to provide a single point of installation for the two elongate portions 21, 22, or more than two mounting points.
[0049] Bien entendu, dans tous les cas, l'âme 1 est constituée d'une première matière et les tiges 2 d'au moins une deuxième matière. Of course, in all cases, the core 1 consists of a first material and the rods 2 of at least a second material.
[0050] La figure 12 concerne un mode de réalisation qui diffère de celui de la figure 1 1 par le plus grand nombre de parties allongées 21 , 22 ou paires. On compte ici six paires de parties allongées, chaque paire étant régulièrement angulairement répartie. En outre on choisit d'inclure ici une troisième matière plastique, différente à la fois de la première et de la deuxième matière plastique. L'âme est constituée d'une première matière plastique ; trois paires de parties allongées sont constituées en une deuxième matière plastique tandis trois paires de parties allongées sont en une troisième matière plastique. Il est ainsi possible d'obtenir des effets et donc des fonctions techniques différentes autour de l'applicateur. L'utilisatrice lors du geste de maquillage fait tourner l'applicateur selon l'axe XX quand celui-ci entre en contact avec la frange des cils. Ainsi les cils rencontrent de manière alternée des picots ayant une dureté et un toucher différents. [0051] La figure 13 illustre encore une autre combinaison possible pour les matières plastiques des parties allongées flexibles 21 , 22. Les parties allongées flexibles 21 , 22 qui forment une paire, c'est-à-dire sensiblement superposées dans un plan longitudinal, sont ici formées respectivement d'une deuxième matière plastique et d'une troisième matière plastique. Figure 12 relates to an embodiment which differs from that of Figure 1 1 by the largest number of elongated portions 21, 22 or pairs. There are six pairs of elongate parts here, each pair being regularly angularly distributed. In addition it is chosen to include here a third plastic material, different from both the first and the second plastic material. The soul is made of a first plastic material; three pairs of elongate portions are made of a second plastic material while three pairs of elongated portions are of a third plastic material. It is thus possible to obtain effects and therefore different technical functions around the applicator. The user during the makeup gesture rotates the applicator along the axis XX when it comes into contact with the eyelash fringe. Thus the eyelashes alternately meet pins having a different hardness and touch. FIG. 13 illustrates yet another possible combination for the plastics of the flexible elongated portions 21, 22. The flexible elongated portions 21, 22 which form a pair, that is to say substantially superposed in a longitudinal plane, here are formed respectively a second plastic material and a third plastic material.
[0052] Par ailleurs, le nombre de paires est variable, choisi par l'homme de métier. Moreover, the number of pairs is variable, chosen by those skilled in the art.
[0053] La figure 14 a trait à un mode de réalisation selon lequel l'âme 1 est pourvue de picots 13 orientés radialement et longitudinalement répartis sur plusieurs rangées. Ceci n'est d'ailleurs pas obligatoire. L'applicateur de la figure 14 comprend en outre deux tiges flexibles 2 chacune encastrée à proximité d'une extrémité 10, 1 1 de l'âme I .Les tiges flexibles 2 sont courbes et convexes. Elles sont en outre munies d'un renfort longitudinal concave 25 appartenant au même plan. Par ailleurs les tiges flexibles 2 sont ici munies de protubérances 23 en forme de pétale en vue de face. La figure 14A montre clairement cet arrangement, par cette vue de face. On comprend que les deux tiges flexibles 2 sont disposées de façon diamétralement opposée, et pourvues de protubérances 23 en forme de pétale. On voit aussi sur l'exemple de la figure 14A que six rangées de protubérances 13 issues de l'âme sont prévues, arrangées de façon symétrique vis-à-vis d'un plan longitudinal. Ce mode de réalisation est choisi quand il s'agit de proposer dans un même applicateur deux fonctions différentes (brosse/peigne). La brosse étant constituée par la partie sans arche (âme 1 pourvue de picots 13) et le peigne étant formé par la partie où les picots 23 sont portés par une arche 2. Les deux arches 2, angulairement disposées à 180° l'une de l'autre, permettent à l'utilisatrice de n'avoir à effectuer qu'une rotation de 180° pour atteindre la position « peigne ». Figure 14 relates to an embodiment according to which the core 1 is provided with pins 13 oriented radially and longitudinally distributed over several rows. This is not mandatory. The applicator of Figure 14 further comprises two flexible rods 2 each recessed near an end 10, 1 1 of the soul I. The flexible rods 2 are curved and convex. They are further provided with a concave longitudinal reinforcement 25 belonging to the same plane. Moreover, the flexible rods 2 are here provided with protuberances 23 in the shape of a petal in front view. Figure 14A clearly shows this arrangement, by this front view. It is understood that the two flexible rods 2 are arranged diametrically opposite, and provided with protuberances 23 shaped petal. It is also seen in the example of Figure 14A that six rows of protuberances 13 from the core are provided, arranged symmetrically vis-à-vis a longitudinal plane. This embodiment is chosen when it comes to offer in the same applicator two different functions (brush / comb). The brush being constituted by the part without arch (core 1 provided with pins 13) and the comb being formed by the part where the pins 23 are carried by an arch 2. The two arches 2, angularly arranged at 180 ° one of the other, allow the user to have to perform a rotation of 180 ° to reach the "comb" position.
[0054] La figure 15 est une variante de la figure 14 en ce sens qu'elle montre une alternance angulaire de rangées de tiges flexibles 2 munies de pétales 23 et de rangées de picots 13. Un applicateur globalement plus rigide est ici obtenu. On compte ici quatre rangées de picots 23 en forme de pétales, associés à quatre rangées de picots 13 issus de l'âme 1. [0055] La figure 16 caractérise une alternative selon laquelle on prévoit une tige flexible 2 non munie de protubérances ; en outre on prévoit une âme allongée 1 selon l'axe longitudinal XX, sensiblement en forme de plume. La tige 2 et plus précisément son arête externe 26 permet d'étaler un produit cosmétique sur la peau de l'utilisateur, à la façon d'un 'liner'. Des protubérances ou picots 13 sont prévus sur l'âme 1 ; les picots 13 sont préférentiellement orientés perpendiculairement à la surface extérieure de l'âme 1 . La tige 2 et l'âme 1 sont prévues dans un même plan longitudinal comme le montre la vue en perspective de la figure 17, avec une forme globalement allongée et plate de l'applicateur. Figure 15 is a variant of Figure 14 in that it shows an alternating angular rows of flexible rods 2 provided with petals 23 and rows of pins 13. A generally more rigid applicator is here obtained. There are here four rows of pins 23 in the form of petals, associated with four rows of pins 13 from the core 1. Figure 16 characterizes an alternative according to which there is provided a flexible rod 2 not provided with protuberances; in addition, an elongated core 1 is provided along the longitudinal axis XX, substantially in the form of a feather. The rod 2 and more precisely its outer edge 26 can spread a cosmetic product on the skin of the user, like a 'liner'. Protuberances or pins 13 are provided on the core 1; the pins 13 are preferably oriented perpendicularly to the outer surface of the core 1. The rod 2 and the core 1 are provided in the same longitudinal plane as shown in the perspective view of Figure 17, with a generally elongated and flat shape of the applicator.

Claims

REVENDICATIONS
1. Dispositif applicateur d'un produit fluide et/ou pâteux sur des fibres kératiniques, comprenant une âme (1 ) allongée s'étendant selon un axe longitudinal XX et au moins une tige (2) souple et flexible orientée longitudinalement et encastrée en au moins un premier point sur l'âme longitudinale, l'âme et ladite au moins une tige étant obtenus par injection en une seule pièce caractérisé en ce que l'âme est constituée en une première matière plastique et en ce que ladite au moins une tige est constituée en au moins une deuxième matière plastique. 1. Applicator device for a fluid and / or pasty product on keratinous fibers, comprising an elongated core (1) extending along a longitudinal axis XX and at least one flexible and flexible rod (2) oriented longitudinally and embedded in less a first point on the longitudinal core, the core and said at least one rod being obtained by injection in one piece, characterized in that the core is made of a first plastic material and in that said at least one rod is made of at least a second plastic material.
2. Dispositif selon la revendication 1 caractérisé en ce que ladite au moins une tige souple (2) est encastrée à proximité d'une première extrémité (10) de l'âme et/ou à proximité d'une deuxième extrémité (1 1 ) de l'âme.  2. Device according to claim 1 characterized in that said at least one flexible rod (2) is embedded near a first end (10) of the core and / or near a second end (1 1) of soul.
3. Dispositif selon l'une des revendications précédentes caractérisé en ce qu'il comprend au moins une première tige souple formée en une deuxième matière plastique et au moins une deuxième tige souple formée en une troisième matière plastique.  3. Device according to one of the preceding claims characterized in that it comprises at least a first flexible rod formed of a second plastic material and at least one second flexible rod formed of a third plastic material.
4. Dispositif selon l'une des revendications précédentes caractérisée en ce qu'il comprend en outre des protubérances (13, 23) prévues et issues de l'âme (1 ) et/ou de ladite au moins une tige (2),  4. Device according to one of the preceding claims characterized in that it further comprises protuberances (13, 23) provided and from the core (1) and / or said at least one rod (2),
5. Dispositif selon la revendication précédente caractérisé en ce que lesdites protubérances (13, 23) présentent une forme allongée et sont orientées sensiblement radialement vis-à-vis de l'axe longitudinal XX.  5. Device according to the preceding claim characterized in that said protuberances (13, 23) have an elongate shape and are oriented substantially radially vis-à-vis the longitudinal axis XX.
6. Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que ladite au moins une tige souple est formée de deux parties allongées et courbes (21 , 22) appartenant à un même plan longitudinal, les deux parties étant sensiblement parallèles entre elles et encastrées sur l'âme, ensemble en au moins un point.  6. Device according to any one of the preceding claims characterized in that said at least one flexible rod is formed of two elongate and curved portions (21, 22) belonging to the same longitudinal plane, the two parts being substantially parallel to each other and recessed on the soul, together in at least one point.
7. Dispositif selon la revendication précédente caractérisé en ce que lesdites deux parties allongées de la tige souple sont encastrées ensemble en deux points proches de chaque extrémité de l'âme (1 ). 7. Device according to the preceding claim characterized in that said two elongated portions of the flexible rod are recessed together at two points near each end of the core (1).
8. Dispositif selon l'une quelconque des revendications 4 à 7 caractérisé en ce que lesdites protubérances (23) sont prévues sur l'une au moins desdites tiges (2) et présentent une forme de pétale en vue de face. 8. Device according to any one of claims 4 to 7 characterized in that said protuberances (23) are provided on at least one of said rods (2) and have a petal shape in front view.
9. Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que l'une des extrémités de l'âme est pourvue de protubérances constituées d'une deuxième matière plastique.  9. Device according to any one of the preceding claims characterized in that one end of the core is provided with protuberances consisting of a second plastic material.
10. Dispositif selon l'une quelconque des revendications précédentes caractérisée en ce que la différence minimale de dureté entre la matière constitutive de l'âme et la ou les matières constitutives de ladite au moins une tige, est de 5 shore A ou de 5 shore D.  10. Device according to any one of the preceding claims characterized in that the minimum difference in hardness between the constituent material of the core and the constituent material or materials of said at least one rod is 5 shore A or 5 shore D.
1 1 . Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que l'âme (1 ) présente sensiblement une forme de plume allongée selon l'axe XX, et ladite tige (2) est apte à étaler une composition cosmétique sur la peau grâce à une arête longitudinale externe (26), l'âme (1 ) et la tige (2) étant disposées sensiblement dans un même plan longitudinal.  1 1. Device according to any one of the preceding claims, characterized in that the core (1) has substantially an elongated pen shape along the axis XX, and said rod (2) is able to spread a cosmetic composition on the skin thanks to an outer longitudinal edge (26), the core (1) and the rod (2) being arranged substantially in the same longitudinal plane.
12. Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que ladite au moins une tige souple (2) est encastrée en ses deux extrémités, présente une forme convexe et est munie d'un renfort concave (25) appartenant au même plan longitudinal.  12. Device according to any one of the preceding claims characterized in that said at least one flexible rod (2) is embedded at its two ends, has a convex shape and is provided with a concave reinforcement (25) belonging to the same plane. longitudinal.
13. Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que ladite au moins une tige présente une forme ondulée.  13. Device according to any one of the preceding claims characterized in that said at least one rod has a corrugated shape.
EP15828655.9A 2015-12-30 2015-12-30 Device for applying a fluid or pasty product to keratinous fibres Withdrawn EP3397111A1 (en)

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US20190014895A1 (en) 2019-01-17
WO2017115022A1 (en) 2017-07-06

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