EP3731695B1 - Wiper device for an applicator for a cosmetic product - Google Patents

Wiper device for an applicator for a cosmetic product Download PDF

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Publication number
EP3731695B1
EP3731695B1 EP17832976.9A EP17832976A EP3731695B1 EP 3731695 B1 EP3731695 B1 EP 3731695B1 EP 17832976 A EP17832976 A EP 17832976A EP 3731695 B1 EP3731695 B1 EP 3731695B1
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EP
European Patent Office
Prior art keywords
neck
wiper device
tabs
applicator
container
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.)
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Application number
EP17832976.9A
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German (de)
French (fr)
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EP3731695C0 (en
EP3731695A1 (en
Inventor
Eric DE BARDONNECHE
Henrick HUMBERT
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
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Societe Industrielle de Matieres Plastiques
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Publication of EP3731695A1 publication Critical patent/EP3731695A1/en
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Publication of EP3731695C0 publication Critical patent/EP3731695C0/en
Publication of EP3731695B1 publication Critical patent/EP3731695B1/en
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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
    • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
    • A45D40/267—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container comprising a wiper
    • 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
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/10—Details of applicators
    • A45D2200/1063—Removing cosmetic substances, e.g. make-up
    • 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
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • A45D34/045—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container
    • A45D34/046—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container comprising a wiper

Definitions

  • the present invention relates to a wringing device for an applicator assembly of liquid, pasty or powder cosmetic product such as mascara or eyeliner.
  • An applicator assembly of this type conventionally comprises a bottle intended to contain the cosmetic product and is provided with a threaded neck or neck onto which a cap can be screwed.
  • This cap carries a rod whose end is fitted with an applicator for the product to be applied.
  • an applicator assembly of this type further comprises a wiper part allowing wiping (or wringing) of the rod and/or the applicator when taken out of the bottle.
  • a spinner Generally speaking, the efficiency and main function of a spinner are linked to its geometry. Its exterior geometry must allow it to be easily assembled in the neck of the container or container, and to hold it firmly in position during the entry and exit movements of the applicator with respect to the container. Its interior geometry must be adapted both to the exterior geometry of the applicator, to its mechanical characteristics and to the characteristics of the product to be applied. In addition, the effectiveness of a spinner is linked to its own material.
  • the wiper part or wiper used in this type of applicator assembly must make it possible to wipe off excess product on the rod and the applicator while preserving the load of product on the applicator.
  • this wiper is in the form of a more or less flexible sleeve fixed at the neck or neck of the bottle and provided with an interior wall defining a passage of reduced and constant diameter at the end for wiping the stem.
  • the wringer is more or less deformable to allow the applicator to pass through.
  • Such applicators are notably visible in the documents EP 1 066 771 , EP 1 221 874 Or EP 1 275 322 or FR 3 016 274 .
  • the document EP 1 275 322 discloses a wringer, one of the characteristics of which consists of an external lip capable of being fixed under the internal shoulder of the neck. A protruding edge keeps the wringer on the outer edge of the collar. The combined action of these two elements allows both axial and radial holding of the wringer on the neck of the container. The problem is to maintain the wringer when passing the rod and especially the applicator device. which passes through the reduced orifice of the wiping lip, imposing a strong deformation on it. which puts a strain on it. A compromise must therefore be found, and various solutions have already been developed for this purpose.
  • the wringer disclosed here has a lip also called a circular or partially circular “ring” or “harpoon”.
  • This geometry must be flexible and disappear when the wringer is placed in the opening of the neck of the container and then return to its natural position under the shoulders inside the neck of the container.
  • the good holding of the wringer in the neck of the container is therefore linked to the ability of the outer lip to resist the extraction force applied to the wringer by the applicator when it leaves the container.
  • the document FR 3 016 274 describes a wringer whose part placed in the container under the shoulder of the neck has specific split lips. These lips are particularly flexible and they advantageously enable the rod to be effectively wiped as it passes through the neck.
  • the document GB2097662 describes a wringer comprising a first rim for its attachment to the edge of a neck of a container, and a second rim for its attachment to an internal shoulder of the neck.
  • Another problem encountered concerns the disparities in the shape of the containers, particularly at the neck level, whatever the material of the container. These irregularities mainly come from manufacturing, and dimensional deviations can be significant. In addition, varied surface conditions can be encountered; some containers may have surfaces smooth internals, others with roughness. These anomalies can contribute to reducing the hold of the wringer in the cervix.
  • the plastic container in particular that made with the blowing technique, does not guarantee a regular position of the shoulders inside the collar whatever the quality of its production.
  • These bottles show a very irregular interior geometry at the neck shoulders.
  • the vertical position of the shrinkage (inner shoulders) in relation to the reference surface (upper face of the collar) is never precise and can vary more or less by a few millimeters.
  • the overhanging surface of the interior shoulders is not regular.
  • the connection radius between the neck hole and the shoulders is very approximate and its dimension is never guaranteed.
  • the invention aims to remedy the drawbacks of the state of the art and in particular to reinforce the attachment of the wringer to the neck of the container.
  • the invention relates to a one-piece wringing device for an applicator assembly of a pasty cosmetic product, said applicator assembly comprising: - at least one applicator provided with a gripping rod and a means for applying said cosmetic product; a container having a neck in which said applicator slides along a so-called longitudinal axis XX, said wringing device having a substantially cylindrical shape capable of being adjusted inside said neck and provided with a first rim for its attachment to the edge of the neck of the container, and a second rim for its attachment to an internal shoulder of the neck, and a lip protruding inside said container.
  • the second external rim comprises an annular external protuberance disposed substantially near said internal lip and externally carrying at least one additional element capable of coming into contact with the internal surface of the shoulder of the neck when the device engages with said neck, so that the wringing device has maximum and optimized contact with the interior surface of the neck whatever it may be.
  • the external protuberance associated with the additional element advantageously makes it possible to fill the dimensional irregularities of the interior of the neck, while ensuring optimal retention of the wringer on the neck.
  • said additional element comprises a first set of tongues which extend in a plane making an acute angle with the axis XX and which are located at a first distance from the edge of the neck.
  • the tabs allow surface contact which adapts perfectly to the shoulder, even if the latter has surface or dimensional irregularities.
  • said additional element comprises a flexible and corrugated annular strip. This flexible band fits perfectly to the internal surface of the collar.
  • said additional element may further comprise a second set of tabs offset along the axis XX with respect to said first set of tabs.
  • the second set of tabs may have an orientation close to that of the first set of tabs.
  • a ring is provided at the free end of said first tongues.
  • the wiper may include pins or protuberances erected from the surface of the additional elements and intended to come into contact with the inner surface of the collar shoulder. This aspect allows better grip of the spinner at this level.
  • the first and/or the second set of tabs comprises between two and sixty-four tabs.
  • said tongues are angularly regularly distributed around the axis XX.
  • the device according to the invention can be made of a vulcanizable rubber or of a silicone or of an elastomeric thermoplastic or any other flexible material used by “material addition” production machines such as 3D printers.
  • FIG. 5 shows a wringing device as well as a cosmetic product applicator assembly; the latter comprises in particular an applicator 10 provided with a gripping rod 11 and a means for applying the cosmetic product 12, as well as a container 13 having a neck 14 in which the applicator 10 slides.
  • application 12 may resemble a brush bristling with bristles or bristles which come into contact with the keratin fibers for makeup purposes.
  • the container 13 is also closed and filled with more or less viscous cosmetic product, in particular pasty.
  • the container 13 is generally axisymmetric and therefore has a longitudinal axis XX along which the applicator 10 slides which of course can be rotated there.
  • the applicator captures or charges the cosmetic product when the application means 12 is in contact with the cosmetic product present inside the container 13.
  • the applicator 12 is extracted from the container 13, by For the user, it passes through the neck 14 of the container 13 which is equipped with a wringing device 1 of generally cylindrical or substantially cylindrical shape and capable of being adjusted to the neck 14 of the container 13.
  • the wringing device 1 has at a first end a first annular rim 2 for its attachment to the external edge of the neck 14.
  • the first rim makes it possible to axially retain the wringing device 1 in the neck 14 when introducing the applicator 10 into the container 13.
  • the wringing device has, near its second end, a second outer rim 3 capable of cooperating with a shoulder 15 formed at the neck 14 of the container 13; the purpose of the second rim 3 is to axially retain the wringing device when extracting the applicator 10 from the container 13.
  • the application device or brush 12 is dimensioned such that the ends of the bristles or pins are flush with the internal wall of the wringer 1 at the neck.
  • at least one internal lip 4 of diameter close to that of the rod 11 is generally provided in order to wipe it each time the applicator 10 passes, in a direction or in the other, through the wringer 1.
  • the second rim 3 comprises or is formed of a flexible annular outer protuberance disposed substantially near said internal lip 4.
  • a close 'altitude' is preferably chosen for the second rim 3 and the internal lip 4. If no lip 4 is present, then the second rim 3 is placed near the internal end of the wringer, for example between a quarter and a third of its height measured along the longitudinal axis XX.
  • THE figures 1 to 4 show different variants of the invention, more precisely of the second rim 3 which comprises a 'circular ring' or 'annular external protuberance' 30.
  • this ring 30 externally carries at least one additional element which can have several shapes.
  • the annular ring can be continuous or discontinuous around the outer periphery of the body of the wringer 1.
  • FIGS. 1A, 1B and 1C illustrate an embodiment according to which the annular ring 30 is continuous and carries a first set of tongues 31 which extend in a circular plane making an acute angle with the longitudinal axis XX.
  • the tabs 31 are oriented towards the first edge 2 of the wringer.
  • each angular segment of the rod 30 carries a tongue 31.
  • a second set of tongues 32 can be provided around the body of the wringer 1.
  • the second set of tongues 32 is axially offset with respect to the first set of tabs 31; the tongues 32 are arranged closer to the upper edge 2 than the tongues 31.
  • FIGS. 3A, 3B and 3C differ from Figures 2A, 2B and 2C by the presence of a ring 33 at the free end of the first tongues 31.
  • the ring 33 is located substantially at the same height as the second tongues 32.
  • FIGS. 4A, 4B and 4C also show an interesting contact surface.
  • the additional element is presented here in the form of a flexible and wavy annular strip, of the wavy collar type. -or milling cutter- suitable in particular but not exclusively for matching all the surface and/or dimensional imperfections mentioned above.
  • FIG. 6 presents an improved version of the embodiment according to the figure 1 ; the improvement consists of a set of pins 310 erected from the upper surface of the first set of tabs 31.
  • 'pins' we mean kinds of points whose number varies according to needs. These pins contribute to further hooking the tabs on irregular surfaces of the shoulder 15 of the collar 14. Those skilled in the art therefore freely choose the density of the pins 310.
  • 'upper surface' of the tabs we mean the surface of the tabs 31 directed towards the first ledge 2.
  • FIG. 7 also concerns an improvement in the method of carrying out the figure 1 ; protuberances or reinforcements 320 are provided here on the upper surface of the tabs; the protuberances improve and reinforce the contact between the tongues 31 and the surface of the shoulder placed opposite. Protuberances of the same type can be provided on the external annular protuberance or ring 30.
  • the first and/or the second set of tabs preferably comprises between two and sixty-four tabs.
  • the first line of the table concerns a wringer according to the prior art, that is to say not presenting the characteristics of the invention.
  • the second line of the table concerns a spinner according to the Figures 1A, 1B and 1C while the third line of the table relates to a spinner as illustrated by the Figures 3A, 3B, 3C .
  • the values are the tensile forces expressed in Newton, before the wringer detaches.
  • Column F1 corresponds to bottles or containers for which the neck height is variable;
  • column F2 corresponds to vials with commonly encountered manufacturing defects. In each category, three bottles were tested, all from the same mold.
  • the bottles equipped with wipers according to the invention 'fins and teeth' and 'ring' have better tensile strength than the bottles according to the prior art.
  • the plastic materials most used for containers are PP (polypropylenes), PA and PETG (polyethylene terephthalate) which are chosen based on chemical compatibility with the cosmetic product that the container contains.
  • the spinner member is made of a vulcanizable rubber material of the NBR (Nitrile Butadiene Rubber) type - nitrile butadiene rubber.
  • NBR Nonrile Butadiene Rubber
  • silicones or elastomeric thermoplastic type materials from the TPE-S (SEBS, SBS or others), TPE-V (PP and EPDM) and TPE-U (thermoplastic polyurethane) family.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

La présente invention concerne un dispositif d'essorage pour un ensemble applicateur de produit cosmétique liquide, pâteux ou en poudre tel que du mascara ou de l'eye-liner.The present invention relates to a wringing device for an applicator assembly of liquid, pasty or powder cosmetic product such as mascara or eyeliner.

ETAT DE LA TECHNIQUE ANTERIEURESTATE OF PRIOR ART

Un ensemble applicateur de ce type comporte classiquement un flacon destiné à contenir le produit cosmétique et est muni d'un goulot ou col fileté sur lequel peut être vissé un capuchon. Ce capuchon porte une tige dont l'extrémité est munie d'un applicateur pour le produit à appliquer. Ainsi, l'applicateur est plongé dans le produit contenu dans le flacon et de préférence, un ensemble applicateur de ce type comporte en outre une pièce d'essorage permettant l'essuyage (ou essorage) de la tige et/ou de l'applicateur lors de la sortie hors du flacon.An applicator assembly of this type conventionally comprises a bottle intended to contain the cosmetic product and is provided with a threaded neck or neck onto which a cap can be screwed. This cap carries a rod whose end is fitted with an applicator for the product to be applied. Thus, the applicator is immersed in the product contained in the bottle and preferably, an applicator assembly of this type further comprises a wiper part allowing wiping (or wringing) of the rod and/or the applicator when taken out of the bottle.

D'une façon générale l'efficacité et la fonction principale d'un essoreur sont liés à sa géométrie. Sa géométrie extérieure doit permettre de pouvoir l'assembler facilement dans le col du récipient ou contenant, et de le maintenir fermement en position lors des mouvements d'entrée et de sortie de l'applicateur vis-à-vis du contenant. Sa géométrie intérieure doit être adaptée à la fois à la géométrie extérieure de l'applicateur, à ses caractéristiques mécaniques et aux caractéristiques du produit à appliquer. En outre l'efficacité d'un essoreur est liée à sa propre matière.Generally speaking, the efficiency and main function of a spinner are linked to its geometry. Its exterior geometry must allow it to be easily assembled in the neck of the container or container, and to hold it firmly in position during the entry and exit movements of the applicator with respect to the container. Its interior geometry must be adapted both to the exterior geometry of the applicator, to its mechanical characteristics and to the characteristics of the product to be applied. In addition, the effectiveness of a spinner is linked to its own material.

La pièce d'essorage ou essoreur utilisé dans ce type d'ensemble applicateur doit permettre d'essuyer l'excès de produit sur la tige et l'applicateur tout en préservant la charge de produit sur l'applicateur. Généralement cet essoreur se présente sous la forme d'une douille plus ou moins souple fixée au niveau du goulot ou col du flacon et munie d'une paroi intérieure définissant un passage de diamètre réduit et constant à l'extrémité pour essuyer la tige. L'essoreur est plus ou moins déformable pour laisser passer l'applicateur. De tels applicateurs sont notamment visibles dans les documents EP 1 066 771 , EP 1 221 874 ou EP 1 275 322 ou encore FR 3 016 274 .The wiper part or wiper used in this type of applicator assembly must make it possible to wipe off excess product on the rod and the applicator while preserving the load of product on the applicator. Generally this wiper is in the form of a more or less flexible sleeve fixed at the neck or neck of the bottle and provided with an interior wall defining a passage of reduced and constant diameter at the end for wiping the stem. The wringer is more or less deformable to allow the applicator to pass through. Such applicators are notably visible in the documents EP 1 066 771 , EP 1 221 874 Or EP 1 275 322 or FR 3 016 274 .

Le document EP 1 275 322 divulgue un essoreur dont l'une des caractéristiques consiste en une lèvre extérieure apte à se fixer sous l'épaulement interne du col. Un bord dépassant permet de maintenir l'essoreur sur le bord externe du col. L'action combinée de ces deux éléments permet un maintien à la fois axial et radial de l'essoreur sur le col du contenant. Le problème est de maintenir l'essoreur lors du passage de la tige et surtout du dispositif applicateur. qui traverse l'orifice réduit de la lèvre d'essorage en lui imposant une forte déformation. ce qui sollicite celui-ci en traction. Un compromis doit donc être trouvé, et diverses solutions ont déjà été élaborées à cet effet. L'essoreur ici divulgué présente une lèvre appelée aussi « jonc » ou « harpon » circulaire ou partiellement circulaire. Cette géométrie doit être flexible et s'effacer lors de la mise en place de l'essoreur dans l'orifice du col du contenant et ensuite reprendre sa position naturelle sous les épaules à l'intérieur du col du contenant. Le bonne tenue de l'essoreur dans le col du contenant est donc liée à la faculté de la lèvre extérieure de résister à la force d'extraction appliquée sur l'essoreur par l'applicateur lors de sa sortie du contenant.The document EP 1 275 322 discloses a wringer, one of the characteristics of which consists of an external lip capable of being fixed under the internal shoulder of the neck. A protruding edge keeps the wringer on the outer edge of the collar. The combined action of these two elements allows both axial and radial holding of the wringer on the neck of the container. The problem is to maintain the wringer when passing the rod and especially the applicator device. which passes through the reduced orifice of the wiping lip, imposing a strong deformation on it. which puts a strain on it. A compromise must therefore be found, and various solutions have already been developed for this purpose. The wringer disclosed here has a lip also called a circular or partially circular “ring” or “harpoon”. This geometry must be flexible and disappear when the wringer is placed in the opening of the neck of the container and then return to its natural position under the shoulders inside the neck of the container. The good holding of the wringer in the neck of the container is therefore linked to the ability of the outer lip to resist the extraction force applied to the wringer by the applicator when it leaves the container.

Le document FR 3 016 274 décrit un essoreur dont la partie placée dans le contenant sous l'épaulement du col présente des lèvres fendues spécifiques. Ces lèvres sont particulièrement souples et elles permettent avantageusement d'essuyer efficacement la tige lors de son passage à travers le col. Le document GB2097662 décrit un essoreur comprenant un premier rebord pour sa fixation sur le bord d'un col d'un contenant, et un deuxième rebord pour sa fixation sur un épaulement interne du col.The document FR 3 016 274 describes a wringer whose part placed in the container under the shoulder of the neck has specific split lips. These lips are particularly flexible and they advantageously enable the rod to be effectively wiped as it passes through the neck. The document GB2097662 describes a wringer comprising a first rim for its attachment to the edge of a neck of a container, and a second rim for its attachment to an internal shoulder of the neck.

Tous les dispositifs d'essorage actuels et montrés dans ces demandes de brevets ou brevets possèdent donc une lèvre extéreure dont l'efficacité sera étroitement liée à la géométrie intérieure du col du contenant dans lequel celle-ci va se déployer.All current wringing devices shown in these patent applications or patents therefore have an external lip whose effectiveness will be closely linked to the internal geometry of the neck of the container in which it will deploy.

Un autre problème rencontré concerne les disparités de forme des contenants, notamment au niveau du col, quelle que soit la matière du contenant. Ces irrégularités proviennent essentiellement de la fabrication, et les écarts dimensionnels peuvent être importants. De plus des états de surface variés peuvent être rencontrés ; certains contenants peuvent présenter des surfaces internes lisses, d'autres munies de rugosités. Ces anomalies peuvent contribuer à diminuer la tenue de l'essoreur dans le col.Another problem encountered concerns the disparities in the shape of the containers, particularly at the neck level, whatever the material of the container. These irregularities mainly come from manufacturing, and dimensional deviations can be significant. In addition, varied surface conditions can be encountered; some containers may have surfaces smooth internals, others with roughness. These anomalies can contribute to reducing the hold of the wringer in the cervix.

Concernant plus précisément les flacons ou contenants en verre, quelle que soit la qualité de la réalisation, ces flacons montrent une géométrie intérieure au niveau des épaules du col très irrégulière. La position verticale du rétraint (épaules intérieures) par rapport à la surface de référence (face supérieure du col) n'est jamais précise et peut varier en plus ou en moins de quelques millimètres. La surface en surplomb des épaules intérieure n'est pas régulière. De plus le rayon de raccordement entre l'orifice du col et les épaules est très approximatif et sa dimension n'est pas garantie ce type de processus.Concerning more precisely glass bottles or containers, whatever the quality of the production, these bottles show a very irregular interior geometry at the level of the shoulders of the neck. The vertical position of the shrinkage (inner shoulders) in relation to the reference surface (upper face of the collar) is never precise and can vary more or less by a few millimeters. The overhanging surface of the inner shoulders is not regular. In addition, the connection radius between the collar orifice and the shoulders is very approximate and its dimension is not guaranteed for this type of process.

Le contenant en matière plastique, notamment celui réalisé avec la technique de soufflage, ne permet pas de garantir une position régulière des épaules à l'intérieur du col quelle que soit la qualité de sa réalisation. Ces flacons montrent une géométrie intérieure au niveau des épaules du col très irrégulière. La position verticale du rétraint (épaules intérieures) par rapport à la surface de référence (face supérieure du col) n'est jamais précise et peut varier en plus ou en moins de quelques millimètres. La surface en surplomb des épaules intérieures n'est pas régulière.De plus le rayon de raccordement entre l'orifice du col et les épaules est très approximatif et sa dimension n'est jamais garantie.The plastic container, in particular that made with the blowing technique, does not guarantee a regular position of the shoulders inside the collar whatever the quality of its production. These bottles show a very irregular interior geometry at the neck shoulders. The vertical position of the shrinkage (inner shoulders) in relation to the reference surface (upper face of the collar) is never precise and can vary more or less by a few millimeters. The overhanging surface of the interior shoulders is not regular. Furthermore, the connection radius between the neck hole and the shoulders is very approximate and its dimension is never guaranteed.

EXPOSE DE L'INVENTIONSTATEMENT OF THE INVENTION

L'invention vise à remédier aux inconvénients de l'état de la technique et notamment à renforcer la fixation de l'essoreur sur le col du contenant. Ainsi l'invention concerne un dispositif d'essorage monobloc pour un ensemble applicateur de produit cosmétique pâteux, ledit ensemble applicateur comprenant : - au moins un applicateur muni d'une tige de préhension et d'un moyen d'application dudit produit cosmétique ; un contenant présentant un col dans lequel coulisse ledit applicateur selon un axe XX dit longitudinal, ledit dispositif d'essorage présentant une forme sensiblement cylindrique apte à être ajustée à l'intérieur dudit col et muni d'un premier rebord pour sa fixation sur le bord du col du contenant, et d'un deuxième rebord pour sa fixation sur un épaulement interne du col, et une lèvre dépassant à l'intérieur dudit contenant.The invention aims to remedy the drawbacks of the state of the art and in particular to reinforce the attachment of the wringer to the neck of the container. Thus the invention relates to a one-piece wringing device for an applicator assembly of a pasty cosmetic product, said applicator assembly comprising: - at least one applicator provided with a gripping rod and a means for applying said cosmetic product; a container having a neck in which said applicator slides along a so-called longitudinal axis XX, said wringing device having a substantially cylindrical shape capable of being adjusted inside said neck and provided with a first rim for its attachment to the edge of the neck of the container, and a second rim for its attachment to an internal shoulder of the neck, and a lip protruding inside said container.

Selon un premier aspect de l'invention, le deuxième rebord externe comprend une protubérance extérieure annulaire disposée sensiblement à proximité de ladite lèvre interne et portant extérieurement au moins un élément additionnel apte à entrer en contact avec la surface intérieure de l'épaulement du col lorsque le dispositif est en prise sur ledit col, de sorte que le dispositif d'essorage présente un contact maximal et optimisé avec la surface intérieure du col quelle qu'elle soit.According to a first aspect of the invention, the second external rim comprises an annular external protuberance disposed substantially near said internal lip and externally carrying at least one additional element capable of coming into contact with the internal surface of the shoulder of the neck when the device engages with said neck, so that the wringing device has maximum and optimized contact with the interior surface of the neck whatever it may be.

La protubérance extérieure associée à l'élément additionnel permet avantageusement de combler les irrégularités dimensionnelles de l'intérieur du col, tout en assurant un maintien optimal de l'essoreur sur le col.The external protuberance associated with the additional element advantageously makes it possible to fill the dimensional irregularities of the interior of the neck, while ensuring optimal retention of the wringer on the neck.

Selon un mode de réalisation de l'invention, ledit élément additionnel comprend un premier ensemble de languettes qui s'étendent dans un plan faisant un angle aigu avec l'axe XX et qui sont situées à une première distance du bord du col. Les languettes permettent un contact surfacique qui s'adapte parfaitement sur l'épaulement, même si ce dernier présente des irrégularités de surface ou dimensionnelles.According to one embodiment of the invention, said additional element comprises a first set of tongues which extend in a plane making an acute angle with the axis XX and which are located at a first distance from the edge of the neck. The tabs allow surface contact which adapts perfectly to the shoulder, even if the latter has surface or dimensional irregularities.

Selon une autre possibilité, ledit élément additionnel comprend une bande annulaire souple et ondulée. Cette bande souple épouse parfaitement la surface interne du col. According to another possibility, said additional element comprises a flexible and corrugated annular strip. This flexible band fits perfectly to the internal surface of the collar.

Selon une autre caractéristique, ledit élément additionnel peut en outre comprendre un deuxième ensemble de languettes décalées selon l'axe XX vis-à-vis dudit premier ensemble de languettes. Le deuxième ensemble de languettes peut présenter une orientation proche de celle du premier ensemble de languettes. According to another characteristic, said additional element may further comprise a second set of tabs offset along the axis XX with respect to said first set of tabs. The second set of tabs may have an orientation close to that of the first set of tabs.

Selon une autre caractéristique de l'invention, un anneau est prévu à l'extrémité libre desdites premières languettes.According to another characteristic of the invention, a ring is provided at the free end of said first tongues.

En outre, l'essoreur peut comprendre des picots ou protubérances érigées depuis la surface des éléments additionnels et destinés à entrer en contact avec la surface intérieure de l'épaulement du col. Cet aspect permet une meilleure accroche de l'essoreur à ce niveau.In addition, the wiper may include pins or protuberances erected from the surface of the additional elements and intended to come into contact with the inner surface of the collar shoulder. This aspect allows better grip of the spinner at this level.

De façon préférée, le premier et/ou le deuxième ensemble de languettes comprend entre deux et soixante-quatre languettes.Preferably, the first and/or the second set of tabs comprises between two and sixty-four tabs.

Avantageusement, lesdites languettes sont angulairement régulièrement réparties autour de l'axe XX.Advantageously, said tongues are angularly regularly distributed around the axis XX.

A titre illustratif, le dispositif selon l'invention peut être réalisé en un caoutchouc vulcanisable ou en un silicone ou en un thermoplastique élastomère ou toute autre matière souple utilisée par les machines de production « par addition de matière » telles que des imprimantes 3D.By way of illustration, the device according to the invention can be made of a vulcanizable rubber or of a silicone or of an elastomeric thermoplastic or any other flexible material used by “material addition” production machines such as 3D printers.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE 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 1A, une vue de côté du dispositif d'essorage selon un premier mode de réalisation de l'invention ;
  • la figure 1B, une vue de dessus du dispositif d'essorage selon le premier mode de réalisation de l'invention ;
  • la figure 1C, une perspective du premier mode de réalisation de l'invention ;
  • la figure 2A, une vue de côté du dispositif d'essorage selon un deuxième mode de réalisation de l'invention ;
  • la figure 2B, une vue de dessus du dispositif d'essorage selon le deuxième mode de réalisation de l'invention ;
  • la figure 2C, une perspective du deuxième mode de réalisation de l'invention ;
  • la figure 3A, une vue de côté du dispositif d'essorage selon un troisième mode de réalisation de l'invention ;
  • la figure 3B, une vue de dessus du dispositif d'essorage selon le troisième mode de réalisation de l'invention ;
  • la figure 3C, une perspective du troisième mode de réalisation de l'invention ;
  • la figure 4A, une vue de côté du dispositif d'essorage selon un quatrième mode de réalisation de l'invention ;
  • la figure 4B, une vue de dessus du dispositif d'essorage selon le quatrième mode de réalisation de l'invention ;
  • la figure 4C, une perspective du quatrième mode de réalisation de l'invention ;
  • la figure 5 est une coupe longitudinale montrant un dispositif d'essorage selon l'invention en place sur le col d'un contenant ;
  • la figure 6, une vue en perspective d'un dispositif selon le premier mode de réalisation, comportant des picots sur les ailettes ;
  • la figure 7, une vue en perspective d'un dispositif selon le premier mode de réalisation, comportant des protubérances sur les ailettes.
Other characteristics and advantages of the invention will emerge on reading the description which follows, with reference to the appended figures, which illustrate:
  • there Figure 1A , a side view of the drying device according to a first embodiment of the invention;
  • there Figure 1B , a top view of the drying device according to the first embodiment of the invention;
  • there Figure 1C , a perspective of the first embodiment of the invention;
  • there Figure 2A , a side view of the wringing device according to a second embodiment of the invention;
  • there Figure 2B , a top view of the drying device according to the second embodiment of the invention;
  • there Figure 2C , a perspective of the second embodiment of the invention;
  • there Figure 3A , a side view of the wringing device according to a third embodiment of the invention;
  • there Figure 3B , a top view of the drying device according to the third embodiment of the invention;
  • there Figure 3C , a perspective of the third embodiment of the invention;
  • there figure 4A , a side view of the wringing device according to a fourth embodiment of the invention;
  • there figure 4B , a top view of the drying device according to the fourth embodiment of the invention;
  • there figure 4C , a perspective of the fourth embodiment of the invention;
  • there figure 5 is a longitudinal section showing a wringing device according to the invention in place on the neck of a container;
  • there Figure 6 , a perspective view of a device according to the first embodiment, comprising pins on the fins;
  • there Figure 7 , a perspective view of a device according to the first embodiment, comprising protuberances on the fins.

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 throughout the figures.

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

La figure 5 montre un dispositif d'essorage ainsi qu'un ensemble applicateur de produit cosmétique ; ce dernier comprend notamment un applicateur 10 muni d'une tige de préhension 11 et d'un moyen d'application du produit cosmétique 12, ainsi qu'un contenant 13 présentant un col 14 dans lequel coulisse l'applicateur 10. Le moyen d'application 12 peut ressembler à une brosse hérissée de poils ou picots qui entrent en contact avec les fibres kératiniques à des fins de maquillage. Le contenant 13 est par ailleurs fermé et rempli de produit cosmétique plus ou moins visqueux, notamment pâteux. Le contenant 13 est généralement axisymétrique et présente donc un axe longitudinal XX selon lequel coulisse l'applicateur 10 qui bien entendu peut y être mis en rotation. C'est ainsi que l'applicateur capte ou charge du produit cosmétique lorsque le moyen d'application 12 est en contact avec le produit cosmétique présent à l'intérieur du contenant 13. Lorsque l'applicateur 12 est extrait du contenant 13, par l'utilisateur, il passe à travers le col 14 du contenant 13 qui est équipé d'un dispositif d'essorage 1 de forme générale cylindrique ou sensiblement cylindrique et apte à être ajusté sur le col 14 du contenant 13.There Figure 5 shows a wringing device as well as a cosmetic product applicator assembly; the latter comprises in particular an applicator 10 provided with a gripping rod 11 and a means for applying the cosmetic product 12, as well as a container 13 having a neck 14 in which the applicator 10 slides. application 12 may resemble a brush bristling with bristles or bristles which come into contact with the keratin fibers for makeup purposes. The container 13 is also closed and filled with more or less viscous cosmetic product, in particular pasty. The container 13 is generally axisymmetric and therefore has a longitudinal axis XX along which the applicator 10 slides which of course can be rotated there. This is how the applicator captures or charges the cosmetic product when the application means 12 is in contact with the cosmetic product present inside the container 13. When the applicator 12 is extracted from the container 13, by For the user, it passes through the neck 14 of the container 13 which is equipped with a wringing device 1 of generally cylindrical or substantially cylindrical shape and capable of being adjusted to the neck 14 of the container 13.

De façon connue, le dispositif d'essorage 1 présente à une première extrémité un premier rebord 2 annulaire pour sa fixation sur le bord externe du col 14. Le premier rebord permet de retenir axialement le dispositif d'essorage 1 dans le col 14 lors de l'introduction de l'applicateur 10 dans le contenant 13. Le dispositif d'essorage présente à proximité de sa deuxième extrémité un deuxième rebord extérieur 3 apte à coopérer avec un épaulement 15 formé au niveau du col 14 du contenant 13 ; le deuxième rebord 3 a pour but de retenir axialement le dispositif d'essorage lors de l'extraction de l'applicateur 10 vis-à-vis du contenant 13.In known manner, the wringing device 1 has at a first end a first annular rim 2 for its attachment to the external edge of the neck 14. The first rim makes it possible to axially retain the wringing device 1 in the neck 14 when introducing the applicator 10 into the container 13. The wringing device has, near its second end, a second outer rim 3 capable of cooperating with a shoulder 15 formed at the neck 14 of the container 13; the purpose of the second rim 3 is to axially retain the wringing device when extracting the applicator 10 from the container 13.

Le dispositif d'application ou brosse 12 est dimensionné de telle sorte que les extrémités des poils ou picots affleurent la paroi interne de l'essoreur 1 au niveau du col. Afin de limiter la quantité de produit cosmétique en prise sur la tige 11 on prévoit généralement au moins une lèvre interne 4 de diamètre proche de celui de la tige 11 afin d'essuyer celle-ci à chaque passage de l'applicateur 10, dans un sens ou dans l'autre, à travers l'essoreur 1. Naturellement on connait diverses formes, orientations et dimensions pour la lèvre interne 4.The application device or brush 12 is dimensioned such that the ends of the bristles or pins are flush with the internal wall of the wringer 1 at the neck. In order to limit the quantity of cosmetic product engaged on the rod 11, at least one internal lip 4 of diameter close to that of the rod 11 is generally provided in order to wipe it each time the applicator 10 passes, in a direction or in the other, through the wringer 1. Naturally we know various shapes, orientations and dimensions for the internal lip 4.

Conformément à l'invention, le deuxième rebord 3 comprend ou est formé d'une protubérance extérieure annulaire souple disposée sensiblement à proximité de ladite lèvre interne 4. On choisit préférentiellement une ' altitude ` proche pour le deuxième rebord 3 et la lèvre interne 4. Au cas où aucune lèvre 4 n'est présente, alors le deuxième rebord 3 est placé à proximité de l'extrémité interne de l'essoreur, par exemple entre le quart et le tiers de sa hauteur mesurée selon l'axe longitudinal XX.In accordance with the invention, the second rim 3 comprises or is formed of a flexible annular outer protuberance disposed substantially near said internal lip 4. A close 'altitude' is preferably chosen for the second rim 3 and the internal lip 4. If no lip 4 is present, then the second rim 3 is placed near the internal end of the wringer, for example between a quarter and a third of its height measured along the longitudinal axis XX.

Les figures 1 à 4 montrent différentes variantes de l'invention, plus précisément du deuxième rebord 3 qui comprend un 'jonc circulaire' ou 'protubérance extérieure annulaire' 30. De façon intéressante, ce jonc 30 porte extérieurement au moins un élément additionnel qui peut présenter plusieurs formes. Le jonc annulaire peut être continu ou discontinu sur le pourtour extérieur du corps de l'essoreur 1.THE figures 1 to 4 show different variants of the invention, more precisely of the second rim 3 which comprises a 'circular ring' or 'annular external protuberance' 30. Interestingly, this ring 30 externally carries at least one additional element which can have several shapes. The annular ring can be continuous or discontinuous around the outer periphery of the body of the wringer 1.

Les figures 1A, 1B et 1C illustrent un mode de réalisation selon lequel le jonc annulaire 30 est continu et porte un premier ensemble de languettes 31 qui s'étendent dans un plan circulaire faisant un angle aigu avec l'axe longitudinal XX. Autrement dit les languettes 31 sont orientées vers le premier rebord 2 de l'essoreur.THE Figures 1A, 1B and 1C illustrate an embodiment according to which the annular ring 30 is continuous and carries a first set of tongues 31 which extend in a circular plane making an acute angle with the longitudinal axis XX. In other words, the tabs 31 are oriented towards the first edge 2 of the wringer.

Les figures 2A, 2B et 2C illustrent le cas où le jonc annulaire 30 est discontinu autour de l'essoreur ; chaque segment angulaire du jonc 30 porte une languette 31. Par ailleurs, un deuxième ensemble de languettes 32 peut être prévu autour du corps de l'essoreur 1. Le deuxième ensemble de languettes 32 est axialement décalé vis-à-vis du premier ensemble de languettes 31 ; les languettes 32 sont disposées plus proches du rebord supérieur 2 que les languettes 31. Par ailleurs on choisit de décaler angulairement le premier et/ou le deuxième ensemble de languettes, en partant du fait que pour chaque ensemble, les languettes sont angulairement régulièrement réparties.THE Figures 2A, 2B and 2C illustrate the case where the annular ring 30 is discontinuous around the wringer; each angular segment of the rod 30 carries a tongue 31. Furthermore, a second set of tongues 32 can be provided around the body of the wringer 1. The second set of tongues 32 is axially offset with respect to the first set of tabs 31; the tongues 32 are arranged closer to the upper edge 2 than the tongues 31. Furthermore, we choose to angularly offset the first and/or the second set of tongues, based on the fact that for each set, the tongues are angularly regularly distributed.

Les figures 3A, 3B et 3C diffèrent des figures 2A, 2B et 2C par la présence d'un anneau 33 à l'extrémité libre des premières languettes 31. On constate que l'anneau 33 se trouve sensiblement à la même hauteur que les deuxièmes languettes 32. On cherche à augmenter la surface de contact entre le deuxième rebord 3 et l'épaulement 15 même et surtout si sa surface interne présente des irrégularités, ou bien si des écarts dimensionnels notables sont présents au niveau de l'épaulement.THE Figures 3A, 3B and 3C differ from Figures 2A, 2B and 2C by the presence of a ring 33 at the free end of the first tongues 31. We note that the ring 33 is located substantially at the same height as the second tongues 32. We seek to increase the contact surface between the second rim 3 and the shoulder 15 itself and especially if its internal surface has irregularities, or if notable dimensional deviations are present at the level of the shoulder.

Les figures 4A, 4B et 4C montrent également une surface de contact intéressante. En l'absence de contact c'est-à-dire quand l'essoreur n'est pas en place sur le col, l'élément additionnel se présente ici sous la forme d'une bande annulaire souple et ondulée, de type collerette ondulée -ou fraise- apte notamment mais non exclusivement à épouser toutes les imperfections de surface et/ou dimensionnelles évoquées ci-dessus. Une fois en contact avec la surface interne de l'épaulement, la collerette est totalement plaquée contre cette surface quelle qu'elle soit.THE Figures 4A, 4B and 4C also show an interesting contact surface. In the absence of contact, that is to say when the wringer is not in place on the neck, the additional element is presented here in the form of a flexible and wavy annular strip, of the wavy collar type. -or milling cutter- suitable in particular but not exclusively for matching all the surface and/or dimensional imperfections mentioned above. Once in contact with the internal surface of the shoulder, the collar is completely pressed against this surface whatever it may be.

La figure 6 présente une version améliorée du mode de réalisation selon la figure 1 ; l'amélioration consiste en un ensemble de picots 310 érigés depuis la surface supérieure du premier ensemble de languettes 31. Par 'picots' on entend des sortes de pointes dont le nombre varie selon les besoins. Ces picots contribuent à accrocher davantage les languettes sur des surfaces irrégulières de l'épaulement 15 du col 14. L'homme de l'art choisit donc librement la densité des picots 310. Par 'surface supérieure' des languettes on entend la surface des languettes 31 dirigée vers le premier rebord 2.There Figure 6 presents an improved version of the embodiment according to the figure 1 ; the improvement consists of a set of pins 310 erected from the upper surface of the first set of tabs 31. By 'pins' we mean kinds of points whose number varies according to needs. These pins contribute to further hooking the tabs on irregular surfaces of the shoulder 15 of the collar 14. Those skilled in the art therefore freely choose the density of the pins 310. By 'upper surface' of the tabs we mean the surface of the tabs 31 directed towards the first ledge 2.

La figure 7 concerne aussi une amélioration du mode de réalisation de la figure 1 ; des protubérances ou renforts 320 sont ici prévues sur la surface supérieure des languettes ; les protubérances améliorent et renforcent le contact entre les languettes 31 et la surface de l'épaulement placée en vis-à-vis. Des protubérances de même type peuvent être prévues sur la protubéarnce extérieure annulaire ou jonc 30.There Figure 7 also concerns an improvement in the method of carrying out the figure 1 ; protuberances or reinforcements 320 are provided here on the upper surface of the tabs; the protuberances improve and reinforce the contact between the tongues 31 and the surface of the shoulder placed opposite. Protuberances of the same type can be provided on the external annular protuberance or ring 30.

Concernant le nombre de languettes, le premier et/ou le deuxième ensemble de languettes comprend préférentiellement entre deux et soixante-quatre languettes.Concerning the number of tabs, the first and/or the second set of tabs preferably comprises between two and sixty-four tabs.

Le tableau ci-dessous présente les résultats de tests de traction sur divers essoreurs réalisés en un NBR ( Nitrile Butadiene Rubber), le NBR 70 shA. Famille d'essoreur Flacon 1 Flacon 2 Art antérieur F1 : 21 F1 : 25,9 F2 : 21.9 F2 : 24,8 F3 : 19,9 F3 : 23,5 Ailettes et dents F1 : 24 F1 : 28,9 F2 : 27,9 F2 : 29,5 F3 : 27 F3 : 29,5 Anneau F1 : 25 F1 : 25,9 F2 : 26 F2 : 26,2 F3 : 23,9 F3 : 24 The table below presents the results of traction tests on various spinners made from NBR (Nitrile Butadiene Rubber), NBR 70 shA. Wringer family Bottle 1 Bottle 2 Prior art F1: 21 F1: 25.9 F2: 21.9 F2: 24.8 F3: 19.9 F3: 23.5 Fins and teeth F1: 24 F1: 28.9 F2: 27.9 F2: 29.5 F3: 27 F3: 29.5 Ring F1: 25 F1: 25.9 F2: 26 F2: 26.2 F3: 23.9 F3: 24

La première ligne du tableau concerne un essoreur selon l'art antérieur c'est-à-dire ne présentant pas les caractéristiques de l'invention. La deuxième ligne du tableau concerne un essoreur selon les figures 1A, 1B et 1C tandis que la troisième ligne du tableau est relative à un essoreur tel qu'illustré par les figures 3A, 3B, 3C. Les valeurs sont les efforts de traction exprimés en Newton, avant décollement de l'essoreur. La colonne F1 correspond à des flacons ou contenants pour lesquels la hauteur du col est variable ; la colonne F2 correspond à des flacons dotés de défauts de fabrication couramment obtenus. Dans chaque catégorie, trois flacons ont été testés, tous issus d'un même moule. On remarque que les flacons équipés d'essoreurs selon l'invention ' ailettes et dents' et ` anneau' présentent une meilleure résistance à la traction que les flacons selon l'art antérieur.The first line of the table concerns a wringer according to the prior art, that is to say not presenting the characteristics of the invention. The second line of the table concerns a spinner according to the Figures 1A, 1B and 1C while the third line of the table relates to a spinner as illustrated by the Figures 3A, 3B, 3C . The values are the tensile forces expressed in Newton, before the wringer detaches. Column F1 corresponds to bottles or containers for which the neck height is variable; column F2 corresponds to vials with commonly encountered manufacturing defects. In each category, three bottles were tested, all from the same mold. We note that the bottles equipped with wipers according to the invention 'fins and teeth' and 'ring' have better tensile strength than the bottles according to the prior art.

Les matières plastiques les plus utilisées pour les contenants sont les PP (polypropylènes), les PA et les PETG (polyéthylène téréphtalate) qui sont choisis en fonction de la compatibilité chimique avec le produit cosmétique que le contenant renferme.The plastic materials most used for containers are PP (polypropylenes), PA and PETG (polyethylene terephthalate) which are chosen based on chemical compatibility with the cosmetic product that the container contains.

Concernant l'essoreur en lui-même, il est connu pour les fabrications industrielles, que l'organe d'essorage soit constitué d'un matériau en caoutchouc vulcanisable de type NBR (Nitrile Butadiène Rubber) - caoutchouc nitrile butadiène. On utilise également des silicones ou des matières de type thermoplastiques élastomères de la famille des TPE-S ( SEBS, SBS ou autres), TPE-V ( PP et EPDM) et TPE-U ( polyuréthane thermoplastiques).Concerning the spinner itself, it is known for industrial manufacturing that the spinner member is made of a vulcanizable rubber material of the NBR (Nitrile Butadiene Rubber) type - nitrile butadiene rubber. We also use silicones or elastomeric thermoplastic type materials from the TPE-S (SEBS, SBS or others), TPE-V (PP and EPDM) and TPE-U (thermoplastic polyurethane) family.

Claims (9)

  1. A one-piece wiper device for an applicator assembly for applying a paste-like cosmetic product, said applicator assembly comprising: - at least one applicator (10) provided with a gripping rod (11) and an application means (12) for applying said cosmetic product; a container (13) having a neck (14) in which said applicator (10) slides along an axis XX referred to as the longitudinal axis, said wiper device having a substantially cylindrical shape that can be fitted inside said neck (14) and being provided with a first flange (2) for attachment thereof on the edge of the neck of the container, and a second flange (3) for attachment thereof on an inner shoulder (15) of the neck (14), and a lip (4) protruding inside said container, characterized in that the second flange (3) comprises an annular external protrusion (30) arranged substantially in the vicinity of said lip and bearing, externally, at least one additional element (31, 32, 33) capable of coming into contact with the internal surface of the shoulder (15) of the neck (14) when the device is engaged on said neck, such that the wiper device has maximum, optimized contact with the internal surface of the neck.
  2. The wiper device as claimed in claim 1, characterized in that said additional element comprises a first set of tabs (31) which extend in a plane making an acute angle with the axis XX.
  3. The wiper device as claimed in any one of the preceding claims, characterized in that said additional element comprises an undulating flexible annular strip (34).
  4. The wiper device as claimed in claim 2, characterized in that said additional element comprises a second set of tabs (32) offset along the axis XX with respect to said first tabs (31).
  5. The wiper device as claimed in claim 2, characterized in that a ring (33) is provided at the free end of said first tabs (31).
  6. The wiper device as claimed in one of the preceding claims, characterized in that it further includes studs (310) or protrusions (320) projecting up from the surface of the additional elements and/or the annular external protrusion (30) and intended to come into contact with the internal surface of the shoulder of the neck.
  7. The wiper device as claimed in one of the preceding claims, characterized in that the first (31) and/or the second (32) set of tabs comprises between two and sixty-four tabs.
  8. The wiper device as claimed in one of the preceding claims, characterized in that said tabs (31, 32) are angularly distributed regularly around the axis XX.
  9. The wiper device as claimed in any one of the preceding claims, characterized in that it is made of a vulcanizable rubber or of a silicone or of a thermoplastic elastomer.
EP17832976.9A 2017-12-29 2017-12-29 Wiper device for an applicator for a cosmetic product Active EP3731695B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2017/053873 WO2019129935A1 (en) 2017-12-29 2017-12-29 Wiper device for an applicator for a cosmetic product

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EP3731695A1 EP3731695A1 (en) 2020-11-04
EP3731695C0 EP3731695C0 (en) 2023-10-18
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US (1) US20200397122A1 (en)
EP (1) EP3731695B1 (en)
JP (1) JP7118157B2 (en)
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WO (1) WO2019129935A1 (en)

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JP2017202097A (en) 2016-05-11 2017-11-16 株式会社トキワ Cosmetic container

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JP2021516073A (en) 2021-07-01
EP3731695C0 (en) 2023-10-18
JP7118157B2 (en) 2022-08-15
WO2019129935A1 (en) 2019-07-04
US20200397122A1 (en) 2020-12-24
EP3731695A1 (en) 2020-11-04
CN111526756A (en) 2020-08-11

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