EP4098148A1 - Device for applying a fluid or paste product to keratin fibres - Google Patents

Device for applying a fluid or paste product to keratin fibres Download PDF

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Publication number
EP4098148A1
EP4098148A1 EP22186792.2A EP22186792A EP4098148A1 EP 4098148 A1 EP4098148 A1 EP 4098148A1 EP 22186792 A EP22186792 A EP 22186792A EP 4098148 A1 EP4098148 A1 EP 4098148A1
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EP
European Patent Office
Prior art keywords
zone
reference plane
core
pins
spikes
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.)
Pending
Application number
EP22186792.2A
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
Simp
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 Simp filed Critical Simp
Publication of EP4098148A1 publication Critical patent/EP4098148A1/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/264—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
    • 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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B1/00—Brush bodies and bristles moulded as a unit
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/021—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups arranged like in cosmetics brushes, e.g. mascara, nail polish, eye shadow
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • 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
    • 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
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0292—Bristles having split ends

Definitions

  • the invention relates to the field of applicators for fluid or pasty cosmetic products, of the mascara type.
  • the invention relates more specifically to the device or means for applicating the cosmetic product.
  • the application device itself may for example be an elongated brush, provided with a central core from which a set of bristles or spikes stand out.
  • the bristles are an old technology: a twisted metal wire holds the bristles which stand up transversely.
  • An example of application is illustrated in the US patent US 5,611,361 .
  • the application device is in the form of a brush comprising a series of pins embedded in the longitudinal core of the brush.
  • the assembly is molded in plastic material.
  • An application device thus forms, with an appropriate reservoir into which it can be inserted, a cosmetic product dispenser.
  • Requests FR 2 810 860 and WO 2011/045770 show some examples of applicators from this concept.
  • the disadvantages of the application devices, or brushes, of the prior art are that the spikes do not make it possible to correctly transfer the cosmetic product from the reservoir onto the spikes, and an appropriate application of the product on the keratin fibers, for the lengthen, thicken and/or separate them.
  • a solution envisaged by the prior art to improve the mascara load of the brushes consists in using spikes having a flat face to collect the mascara while the non-flat face contributes to the separation of the eyelashes.
  • the document EP 1 872 682 describes such a brush; the pins are arranged in rows parallel to the longitudinal axis of the brush and all the pins in a row have their flat face on the same side: the flat faces are aligned while the non-flat faces are on the same side of the line.
  • the user of the brush therefore prints a movement of the brush in a direction perpendicular to the longitudinal axis of the brush, while rotating the latter.
  • Brushes of this type do not have maximum efficiency because the flat faces do not participate in the separation of the eyelashes and the non-flat faces do not participate in the mascara load. With this type of brush, the user is therefore forced to make several passes over her eyelashes while reversing the movement of the brush to ensure that a sufficient load of mascara is recovered.
  • the patent application EP 1611 817 discloses a mascara application device comprising a longitudinal support, a first and a second row of spikes made monolithically with the support, recessed on the same side of the support and extending over more than a quarter of the length of the medium.
  • the teeth extend on either side of a so-called geometric separation surface formed along two non-parallel directions and surfaces.
  • the spikes are erected from a flat face of the support, and they are staggered on either side of the separation surface.
  • a cosmetic product applicator device comprising a longitudinal core supporting several rows of spikes having a flat face and projecting radially from the core.
  • the pins are distributed in at least one row parallel to the longitudinal axis of the core, so that on the same row the pins are positioned alternately on either side of a central line (or plane) of the row, with their flat side facing the inside of the row.
  • the flat faces of the pins of the same row extend perpendicular to the core and are aligned, and they are oriented in both directions of rotation around the core.
  • Each spike must contribute to improving, alone or in combination with other spikes, both the load of product and the separation of the eyelashes or keratin fibres.
  • the invention aims to remedy the drawbacks of the state of the art, in particular as regards the load of cosmetic product and the separation of the eyelashes.
  • a device for applying a product of the fluid or paste type to keratin fibers comprising a central core of elongated shape which extends along a longitudinal axis XX, at least one row of elongated spikes comprising a first end embedded in the core and a second free end, the pins and the core being formed in one piece.
  • At least one of the pins is delimited by a first planar face coincident with a longitudinal plane of the device, called reference plane P, and by a second planar face forming with said first planar face a angle between 10 and 180°; in addition, said at least one spike comprises a first zone embedded in the core and of substantially constant cross-section in the shape of a portion of a circle, and a second zone of variable cross-section located substantially in the longitudinal extension of said first zone.
  • the shape and/or the arrangement of two spikes successively implanted along the axis XX is able to create at least one distal opening between them.
  • Said distal opening may be open towards the free end of the barb, in the general shape of a tuning fork.
  • the shape and/or the arrangement of two pins successively implanted along the axis XX is able to create a second opening between them.
  • the distal opening and the second opening may be distinct or communicating.
  • At least two of the constituent pins of a row have an identical orientation.
  • At least two of the constituent pins of a row have a different orientation.
  • the distance measured along the axis XX between two successive spikes can be negative, zero or even positive, less than about 2 mm. This distance is easily adapted to the particular case envisaged.
  • the first and the second faces form between them an angle of approximately 180°
  • the second zone comprises at least a first portion juxtaposed and in the extension of the first zone, and a second portion juxtaposed overlapping with the first portion along said reference plane P.
  • said first portion comprises a first bulge; the second portion comprises a second bulge oriented differently from said first bulge.
  • said second portion of the second zone has a U-shape which extends substantially parallel to said reference plane, on the other side of said reference plane P relative to the first portion.
  • the second zone of the barb(s) can extend according to a succession of concave and convex curvatures.
  • At least one of the spikes comprises at least one protrusion resulting from a bulge and/or from a convexity.
  • the figure 1 shows the principle of the invention which therefore relates to a device for applying a product of the fluid or pasty type to keratin fibers such as eyelashes.
  • this device comprises an elongated core 1 which extends along a longitudinal axis XX; the cross-section of the core can be constant or not.
  • At least one row of pins or protrusions 2, of generally elongated shape, comprise a first end 20 embedded in the core 1 and a second free end 21; the pins 2 and the core are advantageously formed in a single piece, in particular made of molded plastic.
  • the application device is generally elongated in shape and its external volume can take different forms: cylindrical, truncated cone, peanut or other; the person skilled in the art chooses it according to the specific scenario.
  • the figures 1A and 1B show a substantially cylindrical outer volume; the figure 2A a peanut outer shape; the Figure 3A a wavy shape.
  • At least one of the pins is delimited by a first planar face 200 coinciding or substantially coinciding with a so-called longitudinal or reference plane P which extends radially with respect to the core 1.
  • figure 1 clearly shows the plane P; this figure also illustrates a row of pins 2 which have a face coinciding with the plane P.
  • the (or at least one of the) spikes 2 are further defined and delimited by a second flat face 210 forming with the first flat face 200 an angle comprised between around 10° and 180°.
  • the various figures which follow show the possible angles, which are chosen, determined and calculated by those skilled in the art.
  • At least one barb 2 comprises a first zone 22 embedded in the core 1; this zone corresponds to the recess 21 and it has a substantially constant cross-section, preferably in the shape of a portion of a circle; it is the "foot” or the anchoring of each spike on the core 1.
  • a second zone 23 is considered which can have various shapes, as illustrated in particular but not exhaustively the attached figures.
  • the first 200 and the second 210 faces of the pin in question form a right angle between them, as clearly shown in the Fig. 4C .
  • the second zone 23 here has a first bulged portion - or first bulge - 231 juxtaposed and in the extension of the first zone 22, and a second bulged portion - or second bulge - 232 in the extension of the first bulge 231.
  • the figures 5A and 5B relate to an embodiment which differs from that of the figure 4 in that the second bulging portion 232 has a recess 233 at the level of the distal part 21 of the barb.
  • the figure 5B further differs by the angle between the two faces 200, 210 of the spike: this angle is here approximately 45°. This pin is therefore finer and, all other things being equal, more flexible than that illustrated by the figure 4 .
  • each spike comprises two recesses 233 and 234, substantially in the extension of one another. These recesses are able to form two openings 235, 236 in the extension of one another, with an appropriate reciprocal arrangement of two successive pins.
  • the faces 200 and 210 are here oriented at 90° to each other, although this orientation may be different without departing from the scope of the invention.
  • the two pins 2 have a different orientation, at 180°.
  • FIGS. 7A, 7B, 7C show a shape of the second zone 23 close to that of the figure 6 , but with a substantially constant cross-section. This shape makes it possible, by a chosen and appropriate arrangement, to form between two longitudinally juxtaposed pins, a large opening 230 elongated and closed at the distal end 21.
  • a variant of the embodiment of the Figures 7A, 7B, 7C is represented on the figures 8A, 8B and 8C .
  • the difference lies in the opening 230 which is not closed at the distal end 21.
  • a kind of tuning fork here constitutes the second zone 23 which benefits from an interesting flexibility both to serve as a product reservoir and to retain and guide the keratin fibres.
  • the figures 9A, 9B and 9C concern barbs 2 of the type presented above to which is added a lug or protrusion 24 originating from a bulge and/or from a convexity 232.
  • this geometry is advantageous for improving the guiding of the keratin fibres.
  • it is advantageously sought here to form an opening 236, at the distal end of two juxtaposed pins.
  • the figures 10A and 10B illustrate a spike 2 which can be produced in two ways: either by the juxtaposition in contact of two spikes, the first 200 and the second 210 faces of which form an angle of 90° between them; or by a single spike whose first and second faces form an angle of 180°.
  • two bulges 231, 232 are provided at the level of the second zone 23, and these two bulges come from the flat zone(s) 200, 210.
  • the bulges are oriented at 180° from each other; they have a contact surface coincident with a reference plane P.
  • the figures 11, 11A and 11B show an embodiment of the invention according to which the pins 2 are delimited by a first flat face 200 and a second flat face 210 forming between them an angle of approximately 45°.
  • the second zones 23 of the spikes are formed by a succession of concave and convex curvatures.
  • the arrangement of two adjacent spikes is such that a difference E of approximately 0.01 mm can be measured along the longitudinal axis XX of the applicator device.
  • the orientation of two adjacent pins is not the same since the second flat faces 210 are located alternately on either side of the longitudinal reference plane P, while the first faces 200 belong to the reference plane P. This arrangement makes it possible to form two substantially distinct openings 235, 236 in space.
  • FIGS 12, 12A, 12B present an embodiment which differs from that of the figures 11, 11A and 11B by the longitudinal implantation gap E between two pins. This difference is approximately ten times greater, so that the openings 235, 236 are not closed. The person skilled in the art chooses the most suitable version.
  • the figures 13A, 13B and 13C show three possible gaps between two pins 2 longitudinally adjacent.
  • two adjacent spikes have a maximum overlapping surface at their first flat faces 200; according to Figure 13B , the covering surface is about half of the first planar surfaces 200; according to figure 13C , only a small portion of the contact surface is provided.
  • the figure 14 illustrates in perspective a preferred embodiment of the invention.
  • An interesting aspect of this embodiment relates to the distal openings 236 formed by two successive pins 2, over several rows of pins. These openings 236 serve as a reservoir for the fluid or pasty product. Such reservoirs are easily filled with product insofar as they are placed on the periphery of the volume occupied by the application device; the openings being also formed by two free ends of spikes, they are particularly flexible, which is interesting for the repeated passages of the applicator devices through the wipers - small discs placed at the level of the neck of the container.
  • the figures 15, 15A and 15B relate to a solution where the second portion of the second zone 23 of the spike has a U-shape, the apex of which is juxtaposed with the first zone 22 at the level of a longitudinal plane P.
  • figure 15A clearly shows this arrangement.
  • several rows of pins (six) as described above are provided, radially spaced on the core.
  • Other types of spikes 2 can be provided on a core 1, for example radially intercalated between the U-shaped spikes.
  • figure 15B shows in more detail a spike 2 as described above.
  • the pin comprises a first zone 22 embedded in the core, as already defined; the spike further comprises a second zone 23 here defined by a first part 231 whose two faces form an angle of 180° and belong to the reference plane P.
  • the part 231 is located in the longitudinal extension of the first zone 22 and it is juxtaposed overlapping in the plane P with a second part 232, the distal part, which projects on the other side of the plane P, as shown in particular by the Figure 16B .
  • the part 232 has an opening or closed loop at its distal end (not referenced but corresponding to the opening 236 of the other embodiments of the pins).
  • the spike is here “distributed” on either side of the plane P. It has all the characteristics and advantages of the other embodiments of the invention.
  • the figures 17, 17A and 17B relate to an embodiment close to that illustrated by the figure 16 .
  • the essential difference lies in the shape of the second part 232, which here corresponds to a hook open distally.
  • This embodiment more flexible than that of the Figures 16, 16A, 16B , will therefore be chosen by those skilled in the art when greater flexibility is required.
  • the distal opening 236 is here open since defined by the hook 232.
  • the number of rows of spikes preferably varies from one to twenty-four, with spikes and arrangements of spikes that may or may not be identical.
  • the spikes can all be oriented in the same way on the same row or on all of the spikes that make up the application device; the pins can also have different orientations, for example alternate on either side of the longitudinal plane P.
  • the applicator device according to the invention may have spikes resulting from the different embodiments according to the invention and in particular illustrated and described above.

Abstract

L'invention concerne un dispositif applicateur d'un produit de type fluide ou pâteux sur des fibres kératiniques, comprenant une âme centrale de forme allongée qui s'étend selon un axe longitudinal XX, au moins une rangée de picots allongés comprenant une première extrémité encastrée sur l'âme et une deuxième extrémité libre. Selon l'invention, l'un au moins des picots est délimité par une face plane confondue avec un plan longitudinal du dispositif, dit plan de référence P, qui s'étend radialement vis-à-vis de l'âme, ledit au moins un picot comprend une première zone (22) encastrée sur l'âme et de section transversale sensiblement constante, et une deuxième zone (23) de section transversale variable située sensiblement dans le prolongement longitudinal de ladite première zone (22), la deuxième zone (23) comprenant au moins une première portion (231) juxtaposée et dans le prolongement de la première zone (22), et une deuxième portion (232) juxtaposée à recouvrement avec la première portion (231) selon ledit plan de référence P.The invention relates to a device for applying a product of the fluid or paste type to keratin fibres, comprising a central core of elongated shape which extends along a longitudinal axis XX, at least one row of elongated spikes comprising a first end on the web and a second free end. According to the invention, at least one of the pins is delimited by a flat face coinciding with a longitudinal plane of the device, called the reference plane P, which extends radially with respect to the core, said at least a barb comprises a first zone (22) embedded in the core and of substantially constant cross-section, and a second zone (23) of variable cross-section located substantially in the longitudinal extension of said first zone (22), the second zone ( 23) comprising at least a first portion (231) juxtaposed and in the extension of the first zone (22), and a second portion (232) juxtaposed overlapping with the first portion (231) along said reference plane P.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention se rapporte au domaine des applicateurs de produit cosmétique fluide ou pâteux, de type mascara. L'invention concerne plus spécifiquement le dispositif ou moyen applicateur du produit cosmétique.The invention relates to the field of applicators for fluid or pasty cosmetic products, of the mascara type. The invention relates more specifically to the device or means for applicating the cosmetic product.

ETAT DE LA TECHNIQUE ANTERIEURESTATE OF THE PRIOR ART

On connait déjà dans l'art antérieur de très nombreux applicateurs de mascara. Le dispositif d'application en lui-même peut être par exemple une brosse de forme allongée, dotée d'une âme centrale à partir de laquelle sont hérissés un ensemble de poils ou picots. Les poils relèvent d'une technologie ancienne : un fil métallique torsadé retient des poils qui sont hérissés transversalement. Un exemple d'application est illustré dans le brevet américain US 5 611 361 .Very many mascara applicators are already known in the prior art. The application device itself may for example be an elongated brush, provided with a central core from which a set of bristles or spikes stand out. The bristles are an old technology: a twisted metal wire holds the bristles which stand up transversely. An example of application is illustrated in the US patent US 5,611,361 .

Plus récemment, le dispositif d'application se présente sous la forme d'une brosse comprenant une série de picots encastrés sur l'âme longitudinale de la brosse. L'ensemble est moulé en matière plastique. Un dispositif d'application forme ainsi avec un réservoir approprié dans lequel il est insérable, un distributeur de produit cosmétique. Les demandes FR 2 810 860 et WO 2011/045770 montrent quelques exemples d'applicateurs issus de ce concept.More recently, the application device is in the form of a brush comprising a series of pins embedded in the longitudinal core of the brush. The assembly is molded in plastic material. An application device thus forms, with an appropriate reservoir into which it can be inserted, a cosmetic product dispenser. Requests FR 2 810 860 and WO 2011/045770 show some examples of applicators from this concept.

Les inconvénients des dispositifs d'application, ou brosses, de l'art antérieur sont que les picots ne permettent pas de réaliser correctement le transfert du produit cosmétique du réservoir sur les picots, et une application appropriée du produit sur les fibres kératiniques, pour les allonger, les épaissir et/ou les séparer.The disadvantages of the application devices, or brushes, of the prior art are that the spikes do not make it possible to correctly transfer the cosmetic product from the reservoir onto the spikes, and an appropriate application of the product on the keratin fibers, for the lengthen, thicken and/or separate them.

Une solution envisagée par l'art antérieur pour améliorer la charge en mascara des brosses consiste à utiliser des picots ayant une face plane pour recueillir le mascara tandis que la face non plane participe à la séparation des cils. Le document EP 1 872 682 décrit une telle brosse ; les picots sont disposés selon des rangées parallèles à l'axe longitudinal de la brosse et tous les picots d'une rangée présentent leur face plane du même côté : les faces planes sont alignées tandis que les faces non planes se trouvent du même côté de la ligne. L'utilisateur de la brosse imprime donc un mouvement de la brosse dans une direction perpendiculaire à l'axe longitudinal de la brosse, tout en faisant tourner celle-ci.A solution envisaged by the prior art to improve the mascara load of the brushes consists in using spikes having a flat face to collect the mascara while the non-flat face contributes to the separation of the eyelashes. The document EP 1 872 682 describes such a brush; the pins are arranged in rows parallel to the longitudinal axis of the brush and all the pins in a row have their flat face on the same side: the flat faces are aligned while the non-flat faces are on the same side of the line. The user of the brush therefore prints a movement of the brush in a direction perpendicular to the longitudinal axis of the brush, while rotating the latter.

Les brosses de ce type ne présentent pas une efficacité maximale car les faces planes ne participent pas à la séparation des cils et les faces non planes ne participent pas à la charge en mascara. Avec ce type de brosse, l'utilisatrice est donc contrainte d'effectuer plusieurs passages sur ses cils tout en inversant le mouvement de la brosse pour s'assurer de récupérer une charge suffisante en mascara.Brushes of this type do not have maximum efficiency because the flat faces do not participate in the separation of the eyelashes and the non-flat faces do not participate in the mascara load. With this type of brush, the user is therefore forced to make several passes over her eyelashes while reversing the movement of the brush to ensure that a sufficient load of mascara is recovered.

De façon quelque peu différente, la demande de brevet EP 1611 817 divulgue un dispositif d'application de mascara comprenant un support longitudinal, une première et une deuxième rangées de picots réalisés de manière monolithique avec le support, encastrés d'un même côté du support et s'étendant sur plus d'un quart de la longueur du support. Les dents (ou picots) s'étendent de part et d'autre d'une surface géométrique dite de séparation formée selon deux directions et surfaces non parallèles. Les picots sont érigés à partir d'une face plane du support, et ils sont ménagés en quinconce de part et d'autre de la surface de séparation. Ainsi lors de l'application du mascara, le mouvement de va et vient imprimer à la brosse ne permet pas une répartition optimale de la charge ni une séparation appropriée des cils.In a somewhat different way, the patent application EP 1611 817 discloses a mascara application device comprising a longitudinal support, a first and a second row of spikes made monolithically with the support, recessed on the same side of the support and extending over more than a quarter of the length of the medium. The teeth (or spikes) extend on either side of a so-called geometric separation surface formed along two non-parallel directions and surfaces. The spikes are erected from a flat face of the support, and they are staggered on either side of the separation surface. Thus, during the application of the mascara, the to-and-fro movement imparted to the brush does not allow an optimal distribution of the load or an appropriate separation of the eyelashes.

On connait encore la demande de brevet FR 2 930 875 qui décrit un dispositif applicateur de produit cosmétique comprenant une âme longitudinale supportant plusieurs rangées de picots présentant une face plane et projetés radialement depuis l'âme. Les picots sont répartis selon au moins une rangée parallèle à l'axe longitudinal de l'âme, de telle sorte que sur une même rangée les picots sont positionnés alternativement de part et d'autre d'une ligne (ou plan) centrale de la rangée, avec leur face plane tournée vers l'intérieur de la rangée. Selon une caractéristique de l'invention, les faces planes des picots d'une même rangée s'étendent perpendiculairement à l'âme et sont alignées, et elles sont orientées dans les deux sens giratoires autour de l'âme.We still know the patent application FR 2 930 875 which describes a cosmetic product applicator device comprising a longitudinal core supporting several rows of spikes having a flat face and projecting radially from the core. The pins are distributed in at least one row parallel to the longitudinal axis of the core, so that on the same row the pins are positioned alternately on either side of a central line (or plane) of the row, with their flat side facing the inside of the row. According to one characteristic of the invention, the flat faces of the pins of the same row extend perpendicular to the core and are aligned, and they are oriented in both directions of rotation around the core.

Même si cette solution apporte une certaine amélioration vis-à-vis de l'art antérieur, la modularité de la charge n'est pas obtenue favorablement. En outre la séparation des cils reste perfectible.Even if this solution provides some improvement over the prior art, the modularity of the load is not favorably obtained. In addition, the separation of the eyelashes remains perfectible.

Un développement apparait donc nécessaire notamment au niveau de la forme de chaque picot. Chaque picot doit contribuer à améliorer, seul ou en combinaison avec d'autres picots, à la fois la charge en produit, et la séparation des cils ou fibres kératiniques.Development therefore appears to be necessary, particularly in terms of the shape of each barb. Each spike must contribute to improving, alone or in combination with other spikes, both the load of product and the separation of the eyelashes or keratin fibres.

EXPOSE DE L'INVENTIONDISCLOSURE OF THE INVENTION

L'invention vise à remédier aux inconvénients de l'état de la technique notamment en ce qui concerne la charge en produit cosmétique et la séparation des cils.The invention aims to remedy the drawbacks of the state of the art, in particular as regards the load of cosmetic product and the separation of the eyelashes.

Pour ce faire est proposé selon l'invention un dispositif applicateur d'un produit de type fluide ou pâteux sur des fibres kératiniques, comprenant une âme centrale de forme allongée qui s'étend selon un axe longitudinal XX, au moins une rangée de picots allongés comprenant une première extrémité encastrée sur l'âme et une deuxième extrémité libre, les picots et l'âme étant formés en une seule pièce. Selon un premier aspect de l'invention, l'un au moins des picots est délimité par une première face plane confondue avec un plan longitudinal du dispositif, dit plan de référence P, et par une deuxième face plane formant avec ladite première face plane un angle compris entre 10 et 180° ; en outre ledit au moins un picot comprend une première zone encastrée sur l'âme et de section transversale sensiblement constante en forme de portion de cercle, et une deuxième zone de section transversale variable située sensiblement dans le prolongement longitudinal de ladite première zone.To do this, according to the invention, a device for applying a product of the fluid or paste type to keratin fibers is proposed, comprising a central core of elongated shape which extends along a longitudinal axis XX, at least one row of elongated spikes comprising a first end embedded in the core and a second free end, the pins and the core being formed in one piece. According to a first aspect of the invention, at least one of the pins is delimited by a first planar face coincident with a longitudinal plane of the device, called reference plane P, and by a second planar face forming with said first planar face a angle between 10 and 180°; in addition, said at least one spike comprises a first zone embedded in the core and of substantially constant cross-section in the shape of a portion of a circle, and a second zone of variable cross-section located substantially in the longitudinal extension of said first zone.

Ces caractéristiques qui constituent une définition technique précise de la forme et de la disposition individuelle et/ou réciproque des picots, améliorent les fonctions énoncées ci-avant.These characteristics, which constitute a precise technical definition of the shape and of the individual and/or reciprocal arrangement of the pins, improve the functions stated above.

De façon avantageuse, la forme et/ou la disposition de deux picots successivement implantés selon l'axe XX, est apte à créer au moins une ouverture distale entre eux. Ladite ouverture distale peut être ouverte vers l'extrémité libre du picot, en forme générale de diapason.Advantageously, the shape and/or the arrangement of two spikes successively implanted along the axis XX, is able to create at least one distal opening between them. Said distal opening may be open towards the free end of the barb, in the general shape of a tuning fork.

Sans sortir du cadre de l'invention, la forme et/ou la disposition de deux picots successivement implantés selon l'axe XX, est apte à créer une deuxième ouverture entre eux. Selon l'option envisagée, l'ouverture distale et la deuxième ouvertures peuvent être distinctes ou communicantes.Without departing from the scope of the invention, the shape and/or the arrangement of two pins successively implanted along the axis XX, is able to create a second opening between them. Depending on the option considered, the distal opening and the second opening may be distinct or communicating.

En outre, selon un mode de réalisation de l'invention, deux au moins des picots constitutifs d'une rangée présentent une orientation identique.Furthermore, according to one embodiment of the invention, at least two of the constituent pins of a row have an identical orientation.

Conformément à un autre mode de réalisation de l'invention, deux au moins des picots constitutifs d'une rangée présentent une orientation différente.According to another embodiment of the invention, at least two of the constituent pins of a row have a different orientation.

Par ailleurs, la distance mesurée selon l'axe XX entre deux picots successifs peut être négative, nulle ou bien positive, inférieure à environ 2 mm. Cette distance est adaptée facilement au cas particulier envisagé.Furthermore, the distance measured along the axis XX between two successive spikes can be negative, zero or even positive, less than about 2 mm. This distance is easily adapted to the particular case envisaged.

Selon un mode particulier de réalisation de l'invention, la première et la deuxième faces forment entre elles un angle d'environ 180°, et la deuxième zone comprend au moins une première portion juxtaposée et dans le prolongement de la première zone, et une deuxième portion juxtaposée à recouvrement avec la première portion selon ledit plan de référence P.According to a particular embodiment of the invention, the first and the second faces form between them an angle of approximately 180°, and the second zone comprises at least a first portion juxtaposed and in the extension of the first zone, and a second portion juxtaposed overlapping with the first portion along said reference plane P.

De façon plus précise, ladite première portion comprend un premier renflement ; la deuxième portion comprend un deuxième renflement orienté différemment dudit premier renflement.More specifically, said first portion comprises a first bulge; the second portion comprises a second bulge oriented differently from said first bulge.

Selon une autre alternative de l'invention, ladite deuxième portion de la deuxième zone présente une forme de U qui s'étend sensiblement parallèlement audit plan de référence, de l'autre côté dudit plan de référence P relativement à la première portion.According to another alternative of the invention, said second portion of the second zone has a U-shape which extends substantially parallel to said reference plane, on the other side of said reference plane P relative to the first portion.

En outre, la deuxième zone du ou des picots peut s'étendre selon une succession de courbures concaves et convexes.In addition, the second zone of the barb(s) can extend according to a succession of concave and convex curvatures.

Sortir du cadre de l'invention, l'un au moins des picots comprend au moins une excroissance issu d'un renflement et/ou d'une convexité.Departing from the scope of the invention, at least one of the spikes comprises at least one protrusion resulting from a bulge and/or from a convexity.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF FIGURES

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;
  • la figure 1A, une vue de côté dudit applicateur;
  • la figure 1B, une vue de dessus dudit applicateur ;
  • la figure 2A, une vue de côté d'un applicateur selon un deuxième mode de réalisation de l'invention ;
  • la figure 2B, une vue de dessus du deuxième mode de réalisation de l'invention ;
  • la figure 3A, une vue de côté d'un applicateur selon un troisième mode de réalisation de l'invention ;
  • la figure 3B, une vue de dessus du troisième mode de réalisation de l'invention ;
  • les figures 4A, 4B et 4C montrent un picot respectivement en perspective, de côté et de dessus, selon une variante de l'invention ;
  • les figures 5A, 5B et 5C montrent un picot respectivement en perspective, de côté et de dessus, selon une autre variante de l'invention ;
  • les figures 6A, 6B et 6C montrent un arrangement de deux picots respectivement en perspective, de côté et de dessus, selon une variante de l'invention ;
  • les figures 7A, 7B et 7C montrent un arrangement de deux picots respectivement en perspective, de côté et de dessus, selon une variante de l'invention ;
  • les figures 8A, 8B et 8C montrent un arrangement de deux picots respectivement en perspective, de côté et de dessus, selon une variante de l'invention ;
  • les figures 9A, 9B et 9C concernent une variante des picots des figures 5 ;
  • les figures 10A et 10B montrent une variante de picots conformes à l'invention ;
  • la figure 11 montre un arrangement de picots en rangées, vus de côté ;
  • la figure 11A illustre le même arrangement, vu de dessus ;
  • la figure 11B est un détail de la figure 11A ;
  • la figure 12 montre un arrangement d'une autre forme de picots, en rangées, vus de côté ;
  • la figure 12A illustre le même arrangement, vu de dessus ;
  • la figure 12B est un détail de la figure 11A ;
  • les figures 13A, 13B, 13C illustrent différents écarts longitudinaux entre deux picots successifs ;
  • la figure 14 est une perspective d'un dispositif applicateur selon l'un des modes de réalisation de l'invention ;
  • la figure 15 est une vue de côté d'un dispositif applicateur selon une autre forme de réalisation de l'invention ;
  • la figure 15A est une vue de face d'un dispositif applicateur selon la figure 15 ;
  • la figure 15B, est une vue de détail des picots constitutifs d'un applicateur selon les figures 15 et 15A ;
  • la figure 16 est une vue en perspective d'un autre mode de réalisation d'un picot selon l'invention ;
  • la figure 16A est une vue de côté du picot de la figure 16, et la figure 16B est une vue de dessus du picot selon la figure 16 ; et
  • la figure 17 est une vue en perspective d'encore un autre mode de réalisation d'un picot ; la figure 17A une vue de côté du picot de la figure 17, et la figure 17B est une vue de dessus du picot selon la figure 17.
Other characteristics and advantages of the invention will become apparent on reading the following description, with reference to the appended figures, which illustrate:
  • the figure 1 , a perspective view of an applicator device according to a first embodiment of the invention;
  • the Figure 1A , a side view of said applicator;
  • the figure 1B , a top view of said applicator;
  • the figure 2A , a side view of an applicator according to a second embodiment of the invention;
  • the figure 2B , a top view of the second embodiment of the invention;
  • the Figure 3A , a side view of an applicator according to a third embodiment of the invention;
  • the Figure 3B , a top view of the third embodiment of the invention;
  • them figures 4A, 4B and 4C show a spike respectively in perspective, from the side and from above, according to a variant of the invention;
  • them figures 5A, 5B and 5C show a spike respectively in perspective, from the side and from above, according to another variant of the invention;
  • them figures 6A, 6B and 6C show an arrangement of two spikes respectively in perspective, from the side and from above, according to a variant of the invention;
  • them figures 7A, 7B and 7C show an arrangement of two spikes respectively in perspective, from the side and from above, according to a variant of the invention;
  • them figures 8A, 8B and 8C show an arrangement of two spikes respectively in perspective, from the side and from above, according to a variant of the invention;
  • them figures 9A, 9B and 9C relate to a variant of the pimples of the figure 5 ;
  • them figures 10A and 10B show a variant of spikes in accordance with the invention;
  • the figure 11 shows an arrangement of pimples in rows, viewed from the side;
  • the figure 11A illustrates the same arrangement, viewed from above;
  • the figure 11B is a detail of figure 11A ;
  • the figure 12 shows an arrangement of another form of pimples, in rows, viewed from the side;
  • the Figure 12A illustrates the same arrangement, viewed from above;
  • the figure 12B is a detail of figure 11A ;
  • them Figures 13A, 13B, 13C illustrate different longitudinal gaps between two successive pins;
  • the figure 14 is a perspective of an applicator device according to one of the embodiments of the invention;
  • the figure 15 is a side view of an applicator device according to another embodiment of the invention;
  • the figure 15A is a front view of an applicator device according to figure 15 ;
  • the figure 15B , is a detail view of the spikes that make up an applicator according to the figures 15 and 15A ;
  • the figure 16 is a perspective view of another embodiment of a barb according to the invention;
  • the figure 16A is a side view of the pin of the figure 16 , and the Figure 16B is a top view of the picot according to the figure 16 ; and
  • the figure 17 is a perspective view of yet another embodiment of a barb; the figure 17A a side view of the picot of the figure 17 , and the figure 17B is a top view of the picot according to the figure 17 .

Pour plus de clarté, les éléments identiques ou similaires sont repérés par des signes de référence identiques sur l'ensemble des figures.For greater clarity, identical or similar elements are identified by identical reference signs in all of the figures.

Dans la suite de ce texte, « applicateur » ou « dispositif applicateur » ou encore « dispositif d'application » sont utilisés pour définir le même moyen technique.In the remainder of this text, “applicator” or “applicator device” or even “application device” are used to define the same technical means.

DESCRIPTION DETAILLEE D'UN MODE DE REALISATIONDETAILED DESCRIPTION OF AN EMBODIMENT

La figure 1 montre le principe de l'invention qui concerne donc un dispositif d'application d'un produit de type fluide ou pâteux sur des fibres kératiniques tels que des cils. De façon connue, ce dispositif comprend une âme 1 allongée qui s'étend selon un axe longitudinal XX ; la section transversale de l'âme peut être constante ou non. Au moins une rangée de picots ou protubérances 2, de forme générale allongée, comprennent une première extrémité 20 encastrée sur l'âme 1 et une deuxième extrémité 21 libre ; les picots 2 et l'âme sont avantageusement formés en une seule pièce notamment en plastique venu de moule. Le dispositif d'application est de forme générale allongée et son volume extérieur peut prendre différentes formes : cylindrique, en tronc de cône, en cacahouète ou autre ; l'homme de métier la choisit en fonction du cas de figure précis. Les figures 1A et 1B montrent un volume extérieur sensiblement cylindrique ; la figure 2A une forme extérieure en cacahouète ; la figure 3A une forme ondulée.The figure 1 shows the principle of the invention which therefore relates to a device for applying a product of the fluid or pasty type to keratin fibers such as eyelashes. In known manner, this device comprises an elongated core 1 which extends along a longitudinal axis XX; the cross-section of the core can be constant or not. At least one row of pins or protrusions 2, of generally elongated shape, comprise a first end 20 embedded in the core 1 and a second free end 21; the pins 2 and the core are advantageously formed in a single piece, in particular made of molded plastic. The application device is generally elongated in shape and its external volume can take different forms: cylindrical, truncated cone, peanut or other; the person skilled in the art chooses it according to the specific scenario. The figures 1A and 1B show a substantially cylindrical outer volume; the figure 2A a peanut outer shape; the Figure 3A a wavy shape.

Selon l'invention et comme illustré par exemple sur les figures 4 à 13, l'un au moins des picots est délimité par une première face plane 200 confondue ou sensiblement confondue avec un plan P dit longitudinal ou de référence qui s'étend radialement vis-à-vis de l'âme 1. La figure 1 montre clairement le plan P ; cette figure illustre en outre une rangée de picots 2 qui présentent une face confondue avec le plan P.According to the invention and as illustrated for example on the figures 4 to 13 , at least one of the pins is delimited by a first planar face 200 coinciding or substantially coinciding with a so-called longitudinal or reference plane P which extends radially with respect to the core 1. figure 1 clearly shows the plane P; this figure also illustrates a row of pins 2 which have a face coinciding with the plane P.

Les (ou au moins l'un des) picots 2 sont en outre définis et délimités par une deuxième face plane 210 formant avec la première face plane 200 un angle compris entre environ 10° et 180°. Les différentes figures qui suivent montrent les angles envisageables, qui sont choisis, déterminés, calculés par l'homme de métier.The (or at least one of the) spikes 2 are further defined and delimited by a second flat face 210 forming with the first flat face 200 an angle comprised between around 10° and 180°. The various figures which follow show the possible angles, which are chosen, determined and calculated by those skilled in the art.

En outre au moins un picot 2 comprend une première zone 22 encastrée sur l'âme 1 ; cette zone correspond à l'encastrement 21 et elle présente une section transversale sensiblement constante, de préférence en forme de portion de cercle ; c'est le « pied » ou l'ancrage de chaque picot sur l'âme 1. Dans le prolongement longitudinal de la première zone 22, on considère une deuxième zone 23 qui peut présenter diverses formes, comme l'illustrent notamment mais non exhaustivement les figures annexées.Furthermore at least one barb 2 comprises a first zone 22 embedded in the core 1; this zone corresponds to the recess 21 and it has a substantially constant cross-section, preferably in the shape of a portion of a circle; it is the "foot" or the anchoring of each spike on the core 1. In the longitudinal extension of the first zone 22, a second zone 23 is considered which can have various shapes, as illustrated in particular but not exhaustively the attached figures.

Selon les figures 4A, 4B, 4C la première 200 et la deuxième 210 faces du picot considéré forment un angle droit entre elles, comme le montre clairement la figure 4C. La deuxième zone 23 présente ici une première portion renflée - ou premier renflement- 231 juxtaposée et dans le prolongement de la première zone 22, et une deuxième portion renflée - ou deuxième renflement- 232 dans le prolongement du premier renflement 231.According to Figures 4A, 4B, 4C the first 200 and the second 210 faces of the pin in question form a right angle between them, as clearly shown in the Fig. 4C . The second zone 23 here has a first bulged portion - or first bulge - 231 juxtaposed and in the extension of the first zone 22, and a second bulged portion - or second bulge - 232 in the extension of the first bulge 231.

Les figures 5A et 5B concernent un mode de réalisation qui diffère de celui des figures 4 en ce que la deuxième portion renflée 232 présente un évidement 233 au niveau de la partie distale 21 du picot. La figure 5B diffère en outre par l'angle entre les deux faces 200, 210 du picot : cet angle est ici d'environ 45°. Ce picot est donc plus fin et, toutes choses égales par ailleurs, plus souple que celui illustré par les figures 4.The figures 5A and 5B relate to an embodiment which differs from that of the figure 4 in that the second bulging portion 232 has a recess 233 at the level of the distal part 21 of the barb. The figure 5B further differs by the angle between the two faces 200, 210 of the spike: this angle is here approximately 45°. This pin is therefore finer and, all other things being equal, more flexible than that illustrated by the figure 4 .

Les figures 6A, 6B et 6C illustrent l'arrangement réciproque de deux picots adjacents, ainsi que leur forme intrinsèque. A la différence du picot des figures 5A, 5B et 5C, la forme de chaque picot comprend deux évidements 233 et 234, sensiblement dans le prolongement l'un de l'autre. Ces évidements sont aptes à former deux ouvertures 235, 236 dans le prolongement l'une de l'autre, avec une disposition réciproque appropriée de deux picots successifs.The figures 6A, 6B and 6C illustrate the reciprocal arrangement of two adjacent pins, as well as their intrinsic shape. Unlike the picot figures 5A, 5B and 5C , the shape of each spike comprises two recesses 233 and 234, substantially in the extension of one another. These recesses are able to form two openings 235, 236 in the extension of one another, with an appropriate reciprocal arrangement of two successive pins.

Les faces 200 et 210 sont ici orientées à 90° l'une de l'autre, bien que cette orientation puisse être différente sans sortir du cadre de l'invention. Les deux picots 2 présentent une orientation différente, à 180°.The faces 200 and 210 are here oriented at 90° to each other, although this orientation may be different without departing from the scope of the invention. The two pins 2 have a different orientation, at 180°.

Les figures 7A, 7B, 7C montrent une forme de la deuxième zone 23 proche de celle des figures 6, mais avec une section transversale sensiblement constante. Cette forme permet par une disposition choisie et appropriée, de former entre deux picots longitudinalement juxtaposés, une grande ouverture 230 allongée et fermée à l'extrémité distale 21.The Figures 7A, 7B, 7C show a shape of the second zone 23 close to that of the figure 6 , but with a substantially constant cross-section. This shape makes it possible, by a chosen and appropriate arrangement, to form between two longitudinally juxtaposed pins, a large opening 230 elongated and closed at the distal end 21.

Une variante du mode de réalisation des figures 7A, 7B, 7C est représentée sur les figures 8A, 8B et 8C. La différence réside dans l'ouverture 230 qui n'est pas fermée à l'extrémité distale 21. Une sorte de diapason constitue ici la deuxième zone 23 qui bénéficie d'une souplesse intéressante à la fois pour servir de réservoir de produit et pour retenir et guider les fibres kératiniques.A variant of the embodiment of the Figures 7A, 7B, 7C is represented on the figures 8A, 8B and 8C . The difference lies in the opening 230 which is not closed at the distal end 21. A kind of tuning fork here constitutes the second zone 23 which benefits from an interesting flexibility both to serve as a product reservoir and to retain and guide the keratin fibres.

Les figures 9A, 9B et 9C concernent des picots 2 du type présenté ci-dessus auxquels est ajouté un ergot ou excroissance 24 issu d'un renflement et/ou d'une convexité 232. Là encore, cette géométrie est intéressante pour améliorer le guidage des fibres kératiniques. Par ailleurs on cherche ici avantageusement à former une ouverture 236, à l'extrémité distale de deux picots juxtaposés.The figures 9A, 9B and 9C concern barbs 2 of the type presented above to which is added a lug or protrusion 24 originating from a bulge and/or from a convexity 232. Here again, this geometry is advantageous for improving the guiding of the keratin fibres. Moreover, it is advantageously sought here to form an opening 236, at the distal end of two juxtaposed pins.

Les figures 10A et 10B illustrent un picot 2 qui peut être réalisé de deux façons : soit par la juxtaposition à contact de deux picots dont la première 200 et la deuxième 210 faces font entre elles un angle de 90° ; soit par un seul picot dont les première et deuxième faces forment un angle de 180°. Dans les deux options, deux renflements 231, 232 sont prévus au niveau de la deuxième zone 23, et ces deux renflements sont issus de la ou des zones planes 200, 210. Les renflements sont orientés à 180° l'un de l'autre ; ils présentent une surface de contact confondue avec un plan de référence P.The figures 10A and 10B illustrate a spike 2 which can be produced in two ways: either by the juxtaposition in contact of two spikes, the first 200 and the second 210 faces of which form an angle of 90° between them; or by a single spike whose first and second faces form an angle of 180°. In both options, two bulges 231, 232 are provided at the level of the second zone 23, and these two bulges come from the flat zone(s) 200, 210. The bulges are oriented at 180° from each other; they have a contact surface coincident with a reference plane P.

Les figures 11, 11A et 11B montrent un mode de réalisation de l'invention selon lequel les picots 2 sont délimités par une première face plane 200 et une deuxième face plane 210 formant entre elles un angle d'environ 45°. Les deuxièmes zones 23 des picots sont formées par une succession de courbures concaves et convexes. La disposition de deux picots adjacents est telle qu'un écart E d'environ 0.01 mm peut être mesuré selon l'axe longitudinal XX du dispositif applicateur. L'orientation de deux picots adjacents n'est pas la même puisque les deuxièmes faces planes 210 se trouvent alternativement de part et d'autre du plan longitudinal P de référence, tandis que les premières faces 200 appartiennent au plan de référence P. Cette disposition permet de former dans l'espace deux ouvertures sensiblement distinctes 235, 236.The figures 11, 11A and 11B show an embodiment of the invention according to which the pins 2 are delimited by a first flat face 200 and a second flat face 210 forming between them an angle of approximately 45°. The second zones 23 of the spikes are formed by a succession of concave and convex curvatures. The arrangement of two adjacent spikes is such that a difference E of approximately 0.01 mm can be measured along the longitudinal axis XX of the applicator device. The orientation of two adjacent pins is not the same since the second flat faces 210 are located alternately on either side of the longitudinal reference plane P, while the first faces 200 belong to the reference plane P. This arrangement makes it possible to form two substantially distinct openings 235, 236 in space.

Les figures 12, 12A, 12B présentent un mode de réalisation qui diffère de celui des figures 11, 11A et 11B par l'écart E longitudinal d'implantation entre deux picots. Cet écart est environ dix fois plus grand, de sorte que les ouvertures 235, 236 ne sont pas fermées. L'homme de métier choisit la version la plus appropriée.The Figures 12, 12A, 12B present an embodiment which differs from that of the figures 11, 11A and 11B by the longitudinal implantation gap E between two pins. This difference is approximately ten times greater, so that the openings 235, 236 are not closed. The person skilled in the art chooses the most suitable version.

Les figures 13A, 13B et 13C montrent trois écarts possibles entre deux picots 2 longitudinalement adjacents. Selon la figure 13A, deux picots adjacents présentent une surface maximale de recouvrement au niveau de leurs premières faces planes 200 ; selon la figure 13B, la surface de recouvrement est d'environ la moitié des premières surfaces planes 200 ; selon la figure 13C, seule une faible portion de la surface de contact est prévue.The figures 13A, 13B and 13C show three possible gaps between two pins 2 longitudinally adjacent. According to Figure 13A , two adjacent spikes have a maximum overlapping surface at their first flat faces 200; according to Figure 13B , the covering surface is about half of the first planar surfaces 200; according to figure 13C , only a small portion of the contact surface is provided.

La figure 14 illustre par une perspective un mode préféré de réalisation de l'invention. Un aspect intéressant de ce mode de réalisation concerne les ouvertures distales 236 formées par deux picots 2 successifs, sur plusieurs rangées de picots. Ces ouvertures 236 servent de réservoir pour le produit fluide ou pâteux. De tels réservoirs se remplissent facilement de produit dans la mesure où ils sont disposés en périphérie du volume occupé par le dispositif d'application ; les ouvertures étant par ailleurs formées par deux extrémités libres de picots, elles sont particulièrement flexibles, ce qui est intéressant pour les passages répétés des dispositifs applicateurs à travers les essoreurs - petits disques placés au niveau du col du conteneur-.The figure 14 illustrates in perspective a preferred embodiment of the invention. An interesting aspect of this embodiment relates to the distal openings 236 formed by two successive pins 2, over several rows of pins. These openings 236 serve as a reservoir for the fluid or pasty product. Such reservoirs are easily filled with product insofar as they are placed on the periphery of the volume occupied by the application device; the openings being also formed by two free ends of spikes, they are particularly flexible, which is interesting for the repeated passages of the applicator devices through the wipers - small discs placed at the level of the neck of the container.

Les figures 15, 15A et 15B concernent une solution où la deuxième portion de la deuxième zone 23 du picot présente une forme en U dont le sommet est juxtaposé avec la première zone 22 au niveau d'un plan longitudinal P. La figure 15A montre clairement cet arrangement. Selon les figures 15 et 15A, plusieurs rangées de picots (six) tels que décrits ci-dessus sont prévues, radialement espacées sur l'âme. D'autres types de picots 2 peuvent être prévus sur une âme 1, par exemple radialement intercalés entre les picots en U. La figure 15B montre plus en détail un picot 2 tel que décrit ci-dessus.The figures 15, 15A and 15B relate to a solution where the second portion of the second zone 23 of the spike has a U-shape, the apex of which is juxtaposed with the first zone 22 at the level of a longitudinal plane P. figure 15A clearly shows this arrangement. According to figures 15 and 15A , several rows of pins (six) as described above are provided, radially spaced on the core. Other types of spikes 2 can be provided on a core 1, for example radially intercalated between the U-shaped spikes. figure 15B shows in more detail a spike 2 as described above.

Une variante de réalisation de l'invention est illustrée sur les figures 16, 16A et 16B. Selon ces figures, le picot comprend une première zone 22 encastrée sur l'âme, telle que déjà définie ; le picot comprend en outre une deuxième zone 23 ici définie par une première partie 231 dont les deux faces forment un angle de 180° et appartiennent au plan de référence P. La partie 231 se situe dans le prolongement longitudinal de la première zone 22 et elle est juxtaposée à recouvrement dans le plan P avec une deuxième partie 232, partie distale, qui se projette de l'autre côté du plan P, comme le montre notamment la figure 16B. La partie 232 présente une ouverture ou boucle fermée à son extrémité distale (non référencée mais correspondant à l'ouverture 236 des autres modes de réalisation des picots). Autrement dit le picot est ici « réparti » de part et d'autre du plan P. Il présente toutes les caractéristiques et avantages des autres modes de réalisation de l'invention.A variant embodiment of the invention is illustrated in the figures 16, 16A and 16B . According to these figures, the pin comprises a first zone 22 embedded in the core, as already defined; the spike further comprises a second zone 23 here defined by a first part 231 whose two faces form an angle of 180° and belong to the reference plane P. The part 231 is located in the longitudinal extension of the first zone 22 and it is juxtaposed overlapping in the plane P with a second part 232, the distal part, which projects on the other side of the plane P, as shown in particular by the Figure 16B . The part 232 has an opening or closed loop at its distal end (not referenced but corresponding to the opening 236 of the other embodiments of the pins). In other words, the spike is here “distributed” on either side of the plane P. It has all the characteristics and advantages of the other embodiments of the invention.

Les figures 17, 17A et 17B concernent un mode de réalisation proche de celui illustré par les figures 16. La différence essentielle réside dans la forme de la deuxième partie 232, qui correspond ici à un crochet ouvert distalement. Ce mode de réalisation, plus souple que celui des figures 16, 16A, 16B, sera donc choisi par l'homme de métier lorsqu'une souplesse plus grande est requise. L'ouverture distale 236 est ici ouverte puisque définie par le crochet 232.The figures 17, 17A and 17B relate to an embodiment close to that illustrated by the figure 16 . The essential difference lies in the shape of the second part 232, which here corresponds to a hook open distally. This embodiment, more flexible than that of the Figures 16, 16A, 16B , will therefore be chosen by those skilled in the art when greater flexibility is required. The distal opening 236 is here open since defined by the hook 232.

Sans sortir du cadre de l'invention, les variantes des figures 16 et 17 pourraient être réalisées par deux picots dont les faces planes 200, 210 font entre elles un angle de 90°, et dont les faces 210 n'appartenant pas au plan de référence P, sont accolées.Without departing from the scope of the invention, the variants of figures 16 and 17 could be made by two pins whose flat faces 200, 210 make between them an angle of 90°, and whose faces 210 not belonging to the reference plane P, are joined.

Par ailleurs, le nombre de rangées de picots varie préférentiellement de un à vingt-quatre, avec des picots et des arrangements de picots identiques ou non. En particulier, comme montré sur la figure 2B, les picots peuvent être tous orientés de la même façon sur une même rangée ou sur l'ensemble des picots constitutifs du dispositif d'application ; les picots peuvent aussi présenter des orientations différentes, par exemple alternées de part et d'autre du plan longitudinal P.Furthermore, the number of rows of spikes preferably varies from one to twenty-four, with spikes and arrangements of spikes that may or may not be identical. In particular, as shown in the figure 2B , the spikes can all be oriented in the same way on the same row or on all of the spikes that make up the application device; the pins can also have different orientations, for example alternate on either side of the longitudinal plane P.

D'autres modifications non essentielles peuvent être prévues soit sur la forme intrinsèque des picots, soit sur leur orientation et/ou disposition réciproque, sans sortir du cadre de l'invention. Bien entendu le dispositif applicateur selon l'invention peut présenter des picots issus des différents modes de réalisation selon l'invention et notamment illustrés et décrits ci-avant.Other non-essential modifications may be provided either on the intrinsic shape of the spikes, or on their orientation and/or reciprocal arrangement, without departing from the scope of the invention. Of course, the applicator device according to the invention may have spikes resulting from the different embodiments according to the invention and in particular illustrated and described above.

Naturellement l'homme de métier sait dimensionner notamment les picots, les écarts entre les picots, ainsi que l'âme afin de répondre aux exigences techniques requises.Naturally the person skilled in the art knows how to dimension in particular the pins, the gaps between the pins, as well as the core in order to meet the required technical requirements.

Claims (11)

Dispositif applicateur d'un produit de type fluide ou pâteux sur des fibres kératiniques, comprenant : - une âme centrale (1) de forme allongée qui s'étend selon un axe longitudinal XX, et - au moins une rangée de picots (2) allongés comprenant une première extrémité (20) encastrée sur l'âme et une deuxième extrémité (21) libre, les picots (2) et l'âme (1) étant formés en une seule pièce,
le dispositif applicateur étant caractérisé en ce que l'un au moins des picots est délimité par une face plane (200) confondue avec un plan longitudinal du dispositif, dit plan de référence P, qui s'étend radialement vis-à-vis de l'âme (1), et en ce que ledit au moins un picot (2) comprend : - une première zone (22) encastrée sur l'âme (1) et de section transversale sensiblement constante, et - une deuxième zone (23) de section transversale variable située sensiblement dans le prolongement longitudinal de ladite première zone (22),
la deuxième zone (23) comprenant au moins une première portion (231) juxtaposée et dans le prolongement de la première zone (22), et une deuxième portion (232) juxtaposée à recouvrement avec la première portion (231) selon ledit plan de référence P. Device for applying a product of the fluid or paste type to keratin fibres, comprising: - a central core (1) of elongated shape which extends along a longitudinal axis XX, and - at least one row of elongated pins (2) comprising a first end (20) embedded in the core and a second free end (21), the pins (2) and the core (1) being formed in one piece ,
the applicator device being characterized in that at least one of the spikes is delimited by a flat face (200) coinciding with a longitudinal plane of the device, called the reference plane P, which extends radially with respect to the core (1), and in that said at least one spike (2) comprises: - a first zone (22) embedded in the core (1) and of substantially constant cross-section, and - a second zone (23) of variable cross-section located substantially in the longitudinal extension of said first zone (22),
the second zone (23) comprising at least a first portion (231) juxtaposed and in the extension of the first zone (22), and a second portion (232) juxtaposed overlapping with the first portion (231) according to said reference plane p. Dispositif selon la revendication 1, caractérisé en ce que la première portion (231) comporte une face appartenant au plan P, la deuxième portion (232) se projetant de l'autre côté du plan P.Device according to Claim 1, characterized in that the first portion (231) comprises a face belonging to the plane P, the second portion (232) projecting on the other side of the plane P. Dispositif selon la revendication 1 ou 2, caractérisé en ce que ladite première portion (231) comprend un premier renflement et la deuxième portion (232) comprend un deuxième renflement orienté différemment dudit premier renflement.Device according to claim 1 or 2, characterized in that said first portion (231) comprises a first bulge and the second portion (232) comprises a second bulge oriented differently from said first bulge. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la deuxième portion (232) de la deuxième zone comporte une ouverture (236).Device according to one of Claims 1 to 3, characterized in that the second portion (232) of the second zone includes an opening (236). Dispositif selon la revendication 4, caractérisé en ce que la deuxième portion (232) de la deuxième zone (23) présente une forme de U qui s'étend sensiblement parallèlement audit plan de référence, de l'autre côté dudit plan de référence P relativement à la première portion, la forme en U délimitant en partie l'ouverture (236).Device according to Claim 4, characterized in that the second portion (232) of the second zone (23) has the shape of a U which extends substantially parallel to said reference plane, on the other side of said reference plane P relative to the first portion, the U-shape partially delimiting the opening (236). Dispositif selon la revendication 2, caractérisé en ce que la deuxième portion (232) de la deuxième zone (23) présente une boucle fermée qui s'étend sensiblement parallèlement audit plan de référence, de l'autre côté dudit plan de référence P relativement à la première portion, la boucle fermée délimitant une ouverture (236).Device according to Claim 2, characterized in that the second portion (232) of the second zone (23) has a closed loop which extends substantially parallel to said reference plane, on the other side of said reference plane P relative to the first portion, the closed loop defining an opening (236). Dispositif selon la revendication 2, caractérisé en ce que la deuxième portion (232) de la deuxième zone (23) présente une forme de crochet ouvert distalement qui s'étend sensiblement parallèlement audit plan de référence, de l'autre côté dudit plan de référence P relativement à la première portion, la forme de crochet ouvert délimitant en partie une ouverture (236).Device according to Claim 2, characterized in that the second portion (232) of the second zone (23) has the shape of a distally open hook which extends substantially parallel to said reference plane, on the other side of said reference plane. P relative to the first portion, the open hook shape partially delimiting an opening (236). Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que deux au moins des picots (2) constitutifs d'une rangée présentent une orientation identique.Device according to one of Claims 1 to 7, characterized in that at least two of the pins (2) constituting a row have an identical orientation. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que deux au moins des picots (2) constitutifs d'une rangée présentent une orientation différente.Device according to one of Claims 1 to 8, characterized in that at least two of the pins (2) constituting a row have a different orientation. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que la distance mesurée selon l'axe XX entre deux picots successifs peut être négative, nulle ou bien positive, inférieure à environ 2 millimètres.Device according to one of Claims 1 to 9, characterized in that the distance measured along the axis XX between two successive spikes can be negative, zero or even positive, less than approximately 2 millimeters. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que la deuxième zone du ou des picots s'étend selon une succession de courbures concaves et convexes.Device according to one of Claims 1 to 10, characterized in that the second zone of the barb(s) extends according to a succession of concave and convex curvatures.
EP22186792.2A 2015-02-25 2016-02-24 Device for applying a fluid or paste product to keratin fibres Pending EP4098148A1 (en)

Applications Claiming Priority (3)

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FR1551605A FR3032869B1 (en) 2015-02-25 2015-02-25 DEVICE FOR APPLYING A FLUID OR PASTY TYPE PRODUCT TO KERATIN FIBERS.
PCT/FR2016/050432 WO2016135423A1 (en) 2015-02-25 2016-02-24 Applicator device for applying a product of the fluid or pasty type to keratin fibres
EP16714981.4A EP3261487B1 (en) 2015-02-25 2016-02-24 Applicator device for applying a product of the fluid or pasty type to keratin fibres

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EP16714981.4A Division-Into EP3261487B1 (en) 2015-02-25 2016-02-24 Applicator device for applying a product of the fluid or pasty type to keratin fibres

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JP2018518269A (en) 2018-07-12
JP7001480B2 (en) 2022-01-19
EP3261487C0 (en) 2023-10-18
EP3261487A1 (en) 2018-01-03
US20180242714A1 (en) 2018-08-30
FR3032869B1 (en) 2018-05-11
US11478061B2 (en) 2022-10-25
EP3261487B1 (en) 2023-10-18
WO2016135423A1 (en) 2016-09-01
FR3032869A1 (en) 2016-08-26

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