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EP4440377B1 - Applicateur pour les lèvres avec système de préhension à serrer entre deux doigts - Google Patents

Applicateur pour les lèvres avec système de préhension à serrer entre deux doigts Download PDF

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Publication number
EP4440377B1
EP4440377B1 EP22818205.1A EP22818205A EP4440377B1 EP 4440377 B1 EP4440377 B1 EP 4440377B1 EP 22818205 A EP22818205 A EP 22818205A EP 4440377 B1 EP4440377 B1 EP 4440377B1
Authority
EP
European Patent Office
Prior art keywords
applicator
lips
application element
fact
application
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.)
Active
Application number
EP22818205.1A
Other languages
German (de)
English (en)
Other versions
EP4440377C0 (fr
EP4440377A1 (fr
Inventor
Helga MALAPRADE
Grégoire CHARRAUD
Aldina SUWANTO
Matthieu JACOB
Alix BEGOC
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Publication of EP4440377A1 publication Critical patent/EP4440377A1/fr
Application granted granted Critical
Publication of EP4440377C0 publication Critical patent/EP4440377C0/fr
Publication of EP4440377B1 publication Critical patent/EP4440377B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A45D40/30—Masks for marking lips or eyelashes
    • 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

Definitions

  • the present invention relates to an applicator for applying a cosmetic product to the lips of a user, the applicator defining a surface for applying the cosmetic product that has a shape complementary to the lips.
  • the cosmetic product is in particular a make-up product for the lips, such as a product for coloring the lips.
  • a cosmetic product is a product as defined in EC Regulation No. 1223/2009 of the European Parliament and of the Council of 30 November 2009 on cosmetic products.
  • the user may, when they have time, use a liner to create the contour, and a conventional stick lipstick to cover the inner part of the lips.
  • the applicators described in these documents are not entirely satisfactory. Specifically, although the pad systems improve the results in certain cases, it is sometimes necessary to correct imperfections by pinching the lips together. However, the outline of the upper part of the contour of the lips, in particular at the "Cupid's bow", is detrimentally affected. In particular, the pad systems do not give a result that is completely clean at this Cupid's bow. In this zone, the contour line is not clean, and the surface is overloaded. Conversely, in certain cases, the central surface is done well, but the outline and the contour line are imperfect.
  • the patent FR 3099349 discloses in figure 7 an example of a porous applicator impregnated with a cosmetic composition, having a front face matching the contour of the lips and a rear face provided with a gripping ring.
  • the present invention aims in particular to meet this need.
  • the invention relates to a cosmetic applicator of longitudinal axis X for applying a cosmetic product to the lips of a user, which are defined by a contour of the lips and by a separation line between an upper lip and a lower lip
  • the applicator has a gripping system and an application element comprising a porous material having a rear face and a front face, which is opposite the rear face and defines an application surface with a shape complementary to that of the lips of the user, the application surface being delimited by a peripheral line following the contour of the lips and by a crest zone that is able to be engaged between the upper lip and the lower lip, facing the separation line
  • the gripping system has a connection member connecting two gripping elements that are disposed opposite one another with respect to the longitudinal axis X and configured to be held tightly between two fingers of a user, each gripping element delimiting an external gripping surface intended to come into contact with the fingers, and the connection member defines a central housing that is open at its distal end, the application element being partially inserted into the
  • the applicator is personalized, in particular so as to correspond to the topography of the lips of the user.
  • the peripheral line follows the Cupid's bow of the lips of the user.
  • the user can precisely place the applicator on the lips and bear exclusively on the lips before pressing the application element onto them.
  • the product is applied only to the lips, without running over onto the skin situated close by.
  • the composition upon application, the composition can be applied relatively uniformly via the application surface, with a lower risk of surpluses or absences of composition in places.
  • the invention also relates to a cosmetic method comprising the operations consisting in: (i) providing an applicator as defined above, (ii) grasping the two opposite gripping elements between two fingers, (iii) optionally, positioning the centering lug between the upper lip and the lower lip, (iv) placing the front face of the application element in contact with the lips, (v) pressing the application surface against the lips.
  • the method according to the invention involves a prior operation consisting in (vi) performing an optical acquisition of at least a part of the surface of the lips of a person, and producing, from at least the optical acquisition, a personalized applicator as defined above or a mold used for the manufacture thereof.
  • a "cross section of a part of axis X" is a section perpendicular to the axis X of the part.
  • the "longitudinal axis of a part” denotes the line connecting all the centers of mass of the cross sections of a part.
  • the application surface of the application element may be loaded with cosmetic product, or the application element may be totally or partially impregnated with cosmetic product.
  • the application surface may be, at least before use, forced elastically to bear against a free surface of the product contained in a product reservoir, for example in a case or a pot, and this may be sufficient to ensure correct loading of the application face with the product.
  • the product can form a deposit on the application surface.
  • the application element may be constituted of an element that is elastically compressible to a greater or lesser extent, on which is mounted or which includes an application surface, in particular in the form of a foam, a woven fabric or a non-woven fabric.
  • the application surface may be relatively smooth or have reliefs that are able to have a massaging action when they are applied to the skin.
  • the applicator according to the invention has one or more of the following features, taken alone or in combination:
  • the application element has a shape that is personalized to the lips of the user.
  • At least a part of the application element is situated between the gripping elements. This results in better holding of the applicator in the hand.
  • the application surface is impregnated with the cosmetic product.
  • the rear face of the application element bears on at least a central location of the bottom of the housing.
  • the application member is kept in the housing better.
  • Each gripping element is kept apart from the connection member by a spacer. Since the connection elements are not in contact with the application element, the holding in the hand is made easier and the risk of soiling by the application element is reduced.
  • a centering lug extending along the longitudinal axis X of the applicator, is fastened at the center of the front face of the application element. The correct placement of the applicator on the lips is made easier.
  • the front face of the application element has an elastically compressible material defined by a Shore hardness of between 30A and 60A. This hardness range is ideal for good transfer of product to the lips.
  • the rear face is flat. It follows that the application element can bear against the bottom of the housing better.
  • the application element has a longitudinal section along the longitudinal axis X that is concave toward the outside, in particular a profile in the shape of an arc of a circle. Its shape is substantially complementary to that of the lips.
  • connection member is delimited by a lateral wall keeping the application element in place and defining the periphery of the housing. It follows that the application element is fastened in the connection member better.
  • the contour of the application surface of the applicator may correspond to the natural contour of the lips.
  • the contour of the application surface diverges from the natural contour of the lips in order, for example, to correct a defect or to change the appearance of the made up lips.
  • the topography may be obtained by a 3D scan of the body surface. This makes it possible to obtain a personalized, tailor-made application surface.
  • the 3D scan it is possible to use any 3D scanner capable of capturing the volume and the dimensions of the zone in question.
  • the 3D scan is advantageously a scan produced by projecting fringes of light, but any other structured light is possible.
  • a file that is readable by a CNC machine or by a 3D printer is advantageously generated, said file being able to be saved, in particular automatically, for example in the cloud or on a central server.
  • a translated digital copy of a surface, possibly a reworked surface, obtained from the 3D scan, is advantageously created, and then a smoothed volume of the part of the device having the application surface or of the mold between said surface and the translated copy thereof may be generated.
  • At least a part of the applicator having the application surface is advantageously produced by machining a preform or by additive manufacturing, in particular by 3D printing.
  • a mold used for manufacturing at least a part of the applicator having the application surface is advantageously produced by machining a preform or by additive manufacturing, in particular by 3D printing.
  • the method for manufacturing the applicator may include a preliminary step of creating an impression.
  • the impression may in particular be created by direct molding of the zone to be made up or indirectly on the basis of such molding, for example with the aid of an intermediate mold.
  • the composition is preferably fluid.
  • the viscosity of the composition is for example between 40 and 90 UD (Deviation Unit), preferably between 55 and 80 UD, or between 366 and 569 cP (0.37 and 0.57 Pa.s).
  • This viscosity is measured at 25°C with a Rheomat 180 (Lamy) equipped with an MS-R2 spindle, selected for a low to medium viscosity of the product, which rotates at a speed of 200 revolutions per minute. The measurement is taken after a rotation time of 10 minutes. The viscosity measurements are taken at the latest one week after manufacture.
  • Such a viscosity makes it possible to improve the taking of the composition from the front face of the application element and to avoid the composition flowing during use.
  • the cosmetic composition may or may not be colored or perfumed.
  • the application element can be constituted exclusively by the porous material. However, it may prove advantageous to cover the porous material at least partially, in particular on its upper face, with at least one layer of another material, for example so as to improve the homogeneity of the composition on the front face of the application element or more generally adjust the permeability to the composition of the application element as a function of the location on its upper face.
  • the application element may thus have, for example, a net or a membrane at the surface of the porous material, through which the composition is taken up, in particular a net made of polyolefin, in particular of polyethylene.
  • the porous material of the application element is preferably formed at least partially by an elastically deformable and compressible material. It may be an open-cell foam, in particular an injected foam, for example a polyamide (nylon) foam, a polyurethane (PU) foam, a polyacrylonitrile (PAN) foam, a polyethylene (PE) foam, an ethylene vinyl acetate (EVA) foam or a poly(vinyl chloride) (PVC) foam, a silicone foam.
  • injected foam for example a polyamide (nylon) foam, a polyurethane (PU) foam, a polyacrylonitrile (PAN) foam, a polyethylene (PE) foam, an ethylene vinyl acetate (EVA) foam or a poly(vinyl chloride) (PVC) foam, a silicone foam.
  • the porous material can have a molded form, which simplifies the manufacturing of the applicator, a thermoformed form or a machined form.
  • the porous material may be in the form of a block having a shape that is axisymmetric or exhibits symmetry of revolution, or without any symmetry.
  • the rear face of the application element and in particular that of the porous material, can have a lower absorption capacity at its perimeter than at its center.
  • the cosmetic composition then preferentially flows via the center rather than via the periphery when the user presses on the application element and compresses the porous material. This makes it possible to favor the flow toward the center of the application element, in particular toward the zones that are convex toward the outside. It is thus possible to improve the loading of the applicator when the latter comes into contact with the application element.
  • the rear face may have non-uniform porosity; the perimeter of the rear face may be less porous than the center of the lower face.
  • the porous material in the application element may have a polydispersed porosity foam of which the dimension of the pores on the perimeter of the rear face is small enough to prevent the cosmetic composition passing through a peripheral zone of the porous material.
  • the perimeter of the rear face is covered at least partially with a material, in particular a textile, with a porosity lower than that of the porous material, locally reducing the absorption capacity of the porous material.
  • the porous material is fastened to a wall of the housing, for example by adhesive bonding, welding, or using a fastener with an added element, or by clamping or pinching.
  • this net or membrane can contribute to keeping the porous material in the housing.
  • the application can be done by transfer, by pressing the applicator onto the surface to be made up, as mentioned above.
  • FIG. 1 An applicator 1 of longitudinal axis X according to the invention is illustrated by figures 1 and 2 .
  • This applicator 1 is intended to apply cosmetic product to the lips of a user, following the contour of the lips.
  • This applicator is for example ergonomic, and adapted to the reliefs of a specific zone of the face, in particular to the lips.
  • the cosmetic product is for example a make-up product for the lips such as a product for coloring the lips.
  • the product is in fluid form, in particular in liquid or gel form.
  • the cosmetic product is formed by a solid or a cream.
  • the central region 42 has two lower surfaces 48a, 48b of shapes that are respectively complementary to the upper lip and to the lower lip of a user.
  • the surfaces 48a, 48b are separated by an intermediate protrusion 40 forming a crest zone 25, in particular a crest line, intended to be inserted between the upper and lower lips and extending substantially along a longitudinal axis A that is curved toward the outside of the applicator.
  • the surfaces 48a, 48b may be flat or concave toward the outside, following the shape of the line separating the lips of the user. They have, for example, an upper cavity corresponding to the upper lip, and a lower cavity corresponding to the lower lip.
  • the porous material 5 is preferably an injected foam, for example a polyurethane (PU) foam or a polyethylene (PE) foam.
  • PU polyurethane
  • PE polyethylene
  • the application element 10 may have a volume (in the non-impregnated state) of between 10 and 200 cm 3 , better still between 20 and 150 cm 3 , even better still between 30 and 100 cm 3 .
  • the application element 10 may have a major width of between 30 and 100 mm, better still between 40 and 80 mm, and a minor width of between 5 and 30 mm, better still between 4 and 20 mm.
  • the applicator 1 has a gripping system 20 at the rear formed by a connecting member 5 connecting two gripping elements 4a, 4b situated on either side of the application element 10 and extending parallel to the longitudinal axis X, from the spacers 2, 3 respectively connecting the gripping elements 4a, 4b to the connection member 5.
  • Each gripping element 4a, 4b defines a respective gripping surface 6a, 6b that allows the user to hold the applicator while applying the product.
  • the gripping elements 4a, 4b are separated by a distance L 1 of between 40 mm and 70 mm.
  • the gripping surfaces may be inclined relative to the longitudinal axis X, in particular converging toward the application surface 16.
  • One or more distinctive signs such as a make and/or a forename, may be inscribed on the gripping system, for example so as to be able to recognize the make and/or the owner.
  • the gripping system may be manufactured for example by micro-machining or by 3D printing.
  • the application element 10 may have a maximum height H T of between 10 and 40 mm, for example around 30 mm.
  • the porous material 8 preferentially has a flat rear face 11 and the front face 12 matches the shape of the lips of the user.
  • the application element comprises only one porous material, but this does not have to be the case.
  • the rear face 11 of the application element 10 could be a non-porous film.
  • connection member 5 has a skirt of elongate cross section perpendicular to the longitudinal axis X, for example of rectangular or oval profile.
  • the skirt forms a lateral wall 18 laterally delimiting a housing 22 for mounting the application element in the gripping part 20.
  • the internal face of the skirt defines the periphery 26 of the housing 2 and the external face of the skirt 17 forms the visible face of the connection member.
  • the bottom 24 of the housing may be open or closed by a bottom wall forming in particular a bearing surface for the rear face of the application element inserted into the housing 22 and fastened thereto for example by force-fitting or adhesive bonding.
  • the application element 10 protrudes toward the outside of the housing 22 from the periphery 26 as far as its free edge 19 defining the crest zone, a centering lug 7, optionally engaged in the porous material, making it easier to position the applicator 1 between the lips and ensuring that it centers itself relative to the lips.
  • the porous material is engaged in the housing 22 over the entire height Hi of the housing, emerging over a height H 2 greater than or equal to the height H 1 , the heights being measured along the longitudinal axis X.
  • this clamping action may correspond to a difference in width of between 0.02 mm and 0.3 mm between the inner lateral face of the housing and the outer lateral face of the porous material.
  • the porous material 10 is produced by 3D printing, entirely from silicone elastomer.
  • the porous material 10 is made of two materials, with a front soft layer 52 that defines the application surface 16 and a rear hard layer 51.
  • the soft layer 52 may in particular be: (a) a molded silicone layer to control the surface finish and improve the result of the stamping, (b) a layer that is cut to measure, in particular with a laser, to match the shape of the hard layer 51 of the applicator and adhesively bonded on top, (c) a 3D printed silicone or polyurethane layer.
  • the hard layer 51 may in particular be made of ceramic by 3D printing.
  • the support is produced with other materials or other shapes.

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  • Coating Apparatus (AREA)
  • Cosmetics (AREA)

Claims (12)

  1. Applicateur cosmétique (1) ayant un axe longitudinal (X) servant à appliquer un produit cosmétique sur les lèvres d'un utilisateur, qui sont définies par un contour des lèvres et par une ligne de séparation entre une lèvre supérieure et une lèvre inférieure, l'applicateur (1) comportant un système de préhension (20) et un élément d'application (10) comprenant un matériau poreux (8) comportant une face arrière (11) et une face avant (12), qui se trouve à l'opposé de la face arrière et définit une surface d'application (16) présentant une forme complémentaire de celle des lèvres de l'utilisateur, la surface d'application (16) étant délimitée par une ligne périphérique (44) suivant le contour des lèvres et par une zone de crête (25) qui est propre à être mise en prise entre la lèvre supérieure et la lèvre inférieure, en regard de la ligne de séparation, caractérisé en ce que le système de préhension (20) comporte une pièce de raccordement (5) raccordant deux éléments de préhension (4a, 4b) qui sont disposés à l'opposé l'un de l'autre relativement à l'axe longitudinal (X) et conçus pour être maintenus fermement entre deux doigts d'un utilisateur, chaque élément de préhension délimitant une surface de préhension extérieure (6a, 6b) destinée à venir en contact avec les doigts, et la pièce de raccordement (5) définit un réceptacle central (22) qui est ouvert au niveau de son extrémité distale, l'élément d'application étant partiellement inséré dans le réceptacle (22), la face arrière (11) de l'élément d'application (10) étant orientée en direction d'un fond (24) du réceptacle (22) et la face avant (12) de l'élément d'application (10) faisant entièrement saillie hors du réceptacle (22).
  2. Applicateur (1) selon la revendication 1, caractérisé en ce que l'élément d'application (10) présente une forme qui est personnalisée en fonction des lèvres de l'utilisateur.
  3. Applicateur (1) selon l'une ou l'autre des revendications précédentes, caractérisé en ce qu'au moins une partie de l'élément d'application (10) est située entre les éléments de préhension (4a, 4b).
  4. Applicateur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface d'application (16) est imprégnée du produit cosmétique.
  5. Applicateur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la face arrière (11) de l'élément d'application (10) est en appui au moins sur un emplacement central du fond (24) du réceptacle (22).
  6. Applicateur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que chaque élément de préhension (4a, 4b) est maintenu écarté de la pièce de raccordement (5) par une entretoise (2, 3).
  7. Applicateur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une languette de centrage (7), s'étendant le long de l'axe longitudinal (X) de l'applicateur, est fixée au centre de la face avant (12) de l'élément d'application (10).
  8. Applicateur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la face avant (12) de l'élément d'application (10) comporte un matériau élastiquement compressible défini par une dureté Shore comprise entre 30A et 60A.
  9. Applicateur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'application (10) a une section longitudinale le long de l'axe longitudinal (X) qui est concave vers l'extérieur, en particulier un profil en forme d'arc de cercle.
  10. Applicateur (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce de raccordement (5) est délimitée par une paroi latérale (18) maintenant l'élément d'application (10) en place et définissant la périphérie (26) du réceptacle (22).
  11. Procédé cosmétique comprenant les opérations consistant à : (i) préparer un applicateur (1) selon la revendication 1, (ii) saisir les deux éléments de préhension opposés (4a, 4b) entre deux doigts, (iii) éventuellement, positionner la languette de centrage (7) entre la lèvre supérieure et la lèvre inférieure, (iv) placer la face avant (12) de l'élément d'application en contact avec les lèvres, (v) presser la surface d'application (16) contre les lèvres.
  12. Procédé selon la revendication 11, caractérisé en ce qu'il comprend une opération préalable consistant à (vi) effectuer une acquisition optique d'au moins une partie de la surface des lèvres d'une personne, et produire, à partir au moins de l'acquisition optique, un applicateur personnalisé (1) selon la revendication 1 ou un moule utilisé pour sa fabrication.
EP22818205.1A 2021-12-03 2022-11-04 Applicateur pour les lèvres avec système de préhension à serrer entre deux doigts Active EP4440377B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2112887A FR3129817B1 (fr) 2021-12-03 2021-12-03 Applicateur pour les lèvres avec système de préhension à serrer entre deux doigts
PCT/EP2022/080778 WO2023099108A1 (fr) 2021-12-03 2022-11-04 Applicateur pour les lèvres avec système de préhension à serrer entre deux doigts

Publications (3)

Publication Number Publication Date
EP4440377A1 EP4440377A1 (fr) 2024-10-09
EP4440377C0 EP4440377C0 (fr) 2025-06-11
EP4440377B1 true EP4440377B1 (fr) 2025-06-11

Family

ID=80122753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22818205.1A Active EP4440377B1 (fr) 2021-12-03 2022-11-04 Applicateur pour les lèvres avec système de préhension à serrer entre deux doigts

Country Status (6)

Country Link
US (1) US20240407534A1 (fr)
EP (1) EP4440377B1 (fr)
CN (1) CN118354701A (fr)
ES (1) ES3040943T3 (fr)
FR (1) FR3129817B1 (fr)
WO (1) WO2023099108A1 (fr)

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WO2019077131A1 (fr) * 2017-10-20 2019-04-25 L'oreal Procédé de fabrication d'un applicateur personnalisé pour l'application d'une composition cosmétique
KR102546863B1 (ko) * 2017-10-20 2023-06-22 로레알 화장 조성물의 도포를 위한 맞춤형 어플리케이터의 제조 방법
FR3099349B1 (fr) 2019-07-30 2022-07-08 Oreal Dispositif de conditionnement et d’application d’une composition cosmétique

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FR3129817A1 (fr) 2023-06-09
EP4440377C0 (fr) 2025-06-11
CN118354701A (zh) 2024-07-16
ES3040943T3 (en) 2025-11-05
WO2023099108A1 (fr) 2023-06-08
US20240407534A1 (en) 2024-12-12
EP4440377A1 (fr) 2024-10-09
FR3129817B1 (fr) 2023-11-17

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