EP3657978B1 - Device for dispensing and applying a cosmetic or care product - Google Patents

Device for dispensing and applying a cosmetic or care product Download PDF

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Publication number
EP3657978B1
EP3657978B1 EP18752587.8A EP18752587A EP3657978B1 EP 3657978 B1 EP3657978 B1 EP 3657978B1 EP 18752587 A EP18752587 A EP 18752587A EP 3657978 B1 EP3657978 B1 EP 3657978B1
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EP
European Patent Office
Prior art keywords
rotary body
barrel
ring
cylinder
bored cylinder
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
EP18752587.8A
Other languages
German (de)
French (fr)
Other versions
EP3657978A1 (en
Inventor
Nicolas CASTEX
Floriane PERONNE
Antoine CAYRON
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.)
Chanel Parfums Beaute SAS
Original Assignee
Chanel Parfums Beaute SAS
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.)
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Publication date
Application filed by Chanel Parfums Beaute SAS filed Critical Chanel Parfums Beaute SAS
Publication of EP3657978A1 publication Critical patent/EP3657978A1/en
Application granted granted Critical
Publication of EP3657978B1 publication Critical patent/EP3657978B1/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
    • 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
    • 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
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw
    • 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
    • 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
    • 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
    • A45D2040/0006—Accessories
    • 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
    • A45D2200/05—Details of containers
    • A45D2200/053—Transparent containers
    • 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
    • A45D2200/05—Details of containers
    • A45D2200/054—Means for supplying liquid to the outlet of the container
    • A45D2200/055—Piston or plunger for supplying the liquid to the applicator

Definitions

  • the invention relates to the field of devices for dispensing and applying a cosmetic or care product.
  • Cosmetic products encompass all products for making up the skin or integuments as well as all perfuming or fragrant compositions intended for body application.
  • Care products include in particular those intended to be applied to the human or animal body to treat or prevent a pathology.
  • the invention relates in particular to a device for dispensing and applying such a cosmetic or care product in liquid, semi-fluid or pasty form.
  • the document US 2004/0084343 discloses a lipstick dispenser in which an endless screw actuates a movable piston in the hollow body of the device which forms a reservoir, in order to progressively reduce its volume to cause, opposite the piston, the controlled expulsion of the lipstick. Nevertheless, the disclosed mechanism is bulky longitudinally, making the dispenser itself bulky. In addition, it does not give any indication of the amount of product remaining in the dispenser.
  • WO2012102427 a cosmetic product applicator making it possible to deliver a predefined quantity of product.
  • Its structure has a main container inside which a sealed piston is moves on a threaded rod drilled longitudinally.
  • the threaded rod is coupled to a rotary support which allows the piston to be driven in movement in the body of the container.
  • This type of applicator in which the threaded rod is in contact with the cosmetic product, is sensitive to clogging which limits its use to certain cosmetic products (very fluid, not risking hardening or drying, etc. .), and prevents you from being able to recharge it.
  • Another type of applicator is known from FR2639260 .
  • the object of the invention is to provide a device for dispensing and applying a cosmetic or care product, suitable for liquid to pasty products, solving at least one of the aforementioned problems.
  • the invention relates to a device for dispensing and applying a liquid, semi-fluid or pasty cosmetic or care product according to claim 1.
  • the device comprises an elongated and hollow rotating body and an elongated outer barrel and hollow abutting one another, and movable in rotation with respect to one another.
  • An application nozzle is fixed at the end of the rotating body,
  • the rotating body and the outer barrel form an interior volume in which are formed a drilled cylinder comprising a longitudinal duct, and an interior barrel comprising an open end through which the cylinder is introduced. pierced and one end closed so as to form a reservoir for the cosmetic or care product.
  • the drilled cylinder is fixed in translation with respect to the rotating body inside which it extends.
  • the device comprises a mechanism for transforming a rotation of the rotating body relative to the outer barrel into a translational movement of the interior barrel vis-à-vis the cylinder pierced in the interior volume formed by said rotating body and exterior barrel.
  • the transformation mechanism may include a threaded part integral with the inner barrel, and the assembly formed by the rotating body and the drilled cylinder may include a threaded part adapted to cooperate with the threaded part integral with the internal barrel so that the rotation of said body rotating causes the rotation of said threaded part and the translation of said threaded part and of the internal barrel along said threaded part, and corollary of the translation of the internal barrel with respect to the drilled cylinder.
  • the device may further include a piston mounted fixedly at one end of the pierced cylinder introduced by the open end of the inner barrel, the piston comprising a peripheral surface whose contact with the interior surface of the inner barrel ensures a seal against the product, said piston comprising a central opening opening into the longitudinal duct of the drilled cylinder.
  • the piston may include an elongated portion extending inside the longitudinal duct of the pierced cylinder.
  • the device may further include a non-return valve positioned at the outlet of the longitudinal duct of the drilled cylinder.
  • the threaded part is formed by or on the drilled cylinder, so that said drilled cylinder has a thread on its outer surface so as to form a screw, the threaded part being a ring forming a nut on said cylinder. perforated.
  • the threaded portion may be formed by adding a hollow threaded rod to an exterior surface of the drilled cylinder.
  • the device may include a sleeve in the rotating body, said sleeve being free to rotate with respect to said rotating body but fixed in rotation with respect to the outer barrel, said ring being inside the sleeve and said sleeve. and said ring being configured so that said ring can translate in the sleeve but remains fixed therein in rotation.
  • the sleeve may comprise, on an internal face, at least one longitudinal groove, and the ring may comprise at least one notch in which said longitudinal groove is introduced so that the ring is guided in longitudinal translation in the sleeve on said longitudinal groove.
  • the threaded part is formed by an inner surface of the rotating body having a thread, the threaded part being a ring having on at least part of its periphery a thread cooperating with the thread of the inner surface of the rotating body.
  • the ring may comprise two threaded portions, diametrically opposed, projecting from the outer surface of the ring, and a longitudinal guide which extends inside the rotating body so as to guide said ring in longitudinal translation inside said ring. rotating body.
  • the outer barrel can be transparent or translucent, or opaque.
  • the inner barrel can be transparent or translucent, or opaque.
  • the figure 1 shows a device according to one embodiment of the invention.
  • the figure 2 also shows an exploded view of the device of the figure 1 , which details the constituent parts and allows to understand the assembly.
  • This device is described below for the distribution and application of a cosmetic product, but can be used identically for the distribution and application of a care product.
  • the device allows the distribution and application of a cosmetic product P, fluid, semi-fluid, or pasty.
  • the cosmetic product P is contained in a reservoir called the inner barrel 1.
  • the inner barrel 1 has the shape, in the example shown here, of a straight cylinder closed at one end and open at the other.
  • the device comprises an outer barrel 2.
  • the outer barrel 2 forms the lower part of the dispensing and application device. It is elongated in shape, and may have a cylindrical or prismatic outer shape.
  • the outer barrel 2 comprises a bottom 21 which may include a closing wall. Nevertheless, the outer barrel advantageously comprises an air intake. This air intake can be provided through the bottom wall 21.
  • the air intake allows air exchanges between the interior and the exterior of the outer barrel 2. It allows in particular the entry of air into the outer drum during the movement, described below, of the inner drum 1 in the outer drum 2 during the dispensing of product.
  • the outer barrel 2 also has an open opposite face 22, into which the interior barrel 1 is introduced.
  • the interior shape of the exterior barrel 2 corresponds to a clearance close to the external shape of the interior barrel 1. This allows longitudinal translation, or otherwise. said sliding along a main axis (A) of the device, of the inner barrel 1 in the outer barrel 2.
  • the outer barrel 2 is advantageously transparent or translucent, which makes it possible to visualize the position of the inner barrel 1 in the device.
  • the position of the inner barrel 1 in the device also corresponds to a quantity of product remaining given. In other words, visualizing the position of the inner barrel 1 allows the user to visualize the quantity of product remaining, or, conversely, the quantity of product consumed.
  • the inner barrel 1 is itself transparent or translucent, the product is directly visible. This is aesthetically rewarding, and also allows the user to identify the desired product by its appearance, in particular its color, its shine, and / or its other visual characteristics.
  • the device also comprises an element which forms its upper part and which is called the rotating body 3.
  • the rotating body 3 is of elongated shape, and may have a cylindrical or prismatic outer shape, and in particular an outer shape corresponding to the outer shape of the barrel. lower 2.
  • the rotating body 3 abuts the outer barrel 2.
  • the rotating body 3 can be pivoted with respect to the latter around the main axis (A) of the device. Examples of connections that can be implemented between the rotating body 3 and the outer barrel 2 are described below with reference to figures 3 , 6 and 9 .
  • the rotating body 3 is so designated because it constitutes the element that the user turns, relative to the outer barrel 2, in order to cause the dispensing of cosmetic product by the device.
  • the rotating body 3 is hollow and thus defines, with the outer barrel 2 to which it is linked, an internal volume of the dispensing and application device.
  • An applicator tip 4 is fixed at the end of the rotating body 3.
  • the applicator tip 4 has an application surface 41, through which the cosmetic product P is distributed and which allows it to be applied, for example in a thin and regular layer. on the skin of the user of the device.
  • the device comprises, in the interior volume formed by the rotating body 3 and the exterior barrel 2, on the one hand the interior barrel 1, but also a pierced cylinder 5.
  • the pierced cylinder 5 comprises over its entire length, ie. that is to say along its axis of extension coincident with the main axis (A), a longitudinal duct 51.
  • the longitudinal duct 51 has a constant or changing section.
  • the drilled cylinder 5 is fixed in translation with respect to the rotating body 3, inside which he's stretching. According to the embodiment considered, the drilled cylinder 5 may be fixed or mobile in rotation with respect to the rotating body 3. In the embodiment of figures 1 to 6 , the drilled cylinder 5 is fixed in rotation with respect to the rotating body 3.
  • the drilled cylinder 5 can either be fixed to the rotating body 3 directly or via an intermediate piece which can be the application nozzle 4, or else be formed integrally with the rotating body 3.
  • the drilled cylinder 5 is introduced into the inner barrel 1 through its open end 22.
  • the device comprises a mechanism for transforming a rotation of the rotating body 3 relative to the outer barrel 2 into a translational movement of the interior barrel 1 vis-à-vis the pierced cylinder 5.
  • the interior barrel 1 which is movable, while the pierced cylinder 5 remains fixed longitudinally. Due to the movement of the inner barrel 1, the pierced cylinder penetrates more or less into said inner barrel, which causes it to vary the internal volume available for the storage of the cosmetic product P.
  • a decrease in the volume available in the inner cylinder P results in an expulsion of a corresponding quantity of product P via the longitudinal duct 51 of the drilled cylinder 5.
  • the movement transformation mechanism can have various configurations, two variations of which are detailed in support of the figures 3 to 6 on the one hand, and 7 to 10 on the other. These examples of mechanisms, as well as that of the figure 1 are based on a threaded part (having a female or male thread according to the considered variants of the invention) linked to the inner barrel 1, and on the fact that the assembly formed by the rotating body 3 and the drilled cylinder 5 comprises a part threaded (male or female depending on the variant considered) adapted to cooperate with the threaded part.
  • the threaded part is a ring 71 having an internal thread, called a female thread.
  • the ring 71 is fixed to the open end 22 of the inner barrel 1, which it obstructs except at the level of its threaded opening.
  • the inner barrel 1 goes up along the drilled cylinder 5, which has the effect of reducing the interior volume available in the interior barrel 1 for the product P, and of causing the expulsion of a quantity of product P from the inner barrel 1 via the duct 51 of the drilled cylinder 5.
  • the device may include, as is the case in the example shown in figure 1 , a cap or cover 8.
  • the cover 8 makes it possible to close the device in order to prevent cosmetic product from being spilled, to protect the dispensing tip, and to prevent undesired actuation of the device.
  • the cover 8 can also have an aesthetic role. It can carry a logo or an inscription.
  • the figure 3 shows, in a cross-sectional view, a variant of the embodiment of the figures 1 and 2 .
  • An exploded view of the alternative embodiment of the figure 3 is presented at the figure 4 .
  • the operating kinematics of this variant is identical to that described above with reference to said figures 1 and 2 .
  • the variant of the figure 4 differs from that presented to figures 1 and 2 essentially by the characteristics described below.
  • a piston 52 is attached to the end of the drilled cylinder.
  • the piston 52 has a central opening 53 which opens into the duct 51 of the pierced cylinder 5.
  • the central opening 53 thus ensures fluid communication between a front surface 54 of the piston 52, which is in contact with the product P in the pierced cylinder. 5, and said duct 51.
  • the piston 52 is configured so as to have a peripheral surface 55 in sealed contact with the inner wall 11 of the inner barrel 1.
  • the piston 52 allows complete or almost complete expulsion of the product, the residual volume in the inner barrel 1 being zero or almost zero when said interior barrel is raised as far as possible in the device, and when the front face 54 of the piston 52 is in contact. or near the bottom of the inner barrel 1.
  • the piston prevents the threaded part from coming into contact with cosmetic product when using the device. This prevents any fouling of said threaded part, and can, where appropriate, make it possible to refill the device with cosmetic product without it being necessary to clean the threaded part.
  • the conduit 51 has, in the example shown, an evolving section.
  • the duct 51 has a progressive restriction of its inlet (at its end introduced into the inner barrel 1) at its outlet.
  • the evolution of the section, in particular its restriction, and / or a particular shape of the duct 51 can for example allow the destructuring of the formula and the bursting of beads comprising a fluid present in the product P (for example a lip gloss , to improve the gloss obtained), just before dispensing said product P.
  • a non-return valve 91 is arranged between the outlet of the conduit 51 and the application nozzle 4.
  • the non-return valve 91 protects the product P contained in the device. the outside atmosphere.
  • the non-return valve 91 also makes it possible, to a certain extent, to prevent the rotating body from being actuated in the direction of rotation tending to suck product back into the inner barrel 1.
  • the non-return valve contributes to the general sealing of the dispensing device when the latter is in the inverted position (application nozzle 4 facing downwards), for example in a user's handbag.
  • the non-return valve 91 can also aid in the bursting of balls present, if any, in the product P.
  • FIG. 1 Another difference between the device of figures 1 and 2 and that of figures 3 to 6 is the constitution of the threaded part of the drilled cylinder. While in the system of figures 1 and 2 , the drilled cylinder 5 and the threaded part are in one piece, in the variant of figures 3 to 6 the threaded part is formed by a hollow threaded rod 56 which is added to the drilled cylinder 5. In particular, the hollow threaded rod 56 forms a sleeve around the drilled cylinder 5, that is to say around the outer surface of the cylinder perforated.
  • the hollow threaded rod 56 is provided, on a portion of its inner surface, with notches 57 of shape corresponding to that of lugs 58 carried by the drilled cylinder 5.
  • the figure 6 represents a detailed view of the device figures 3 to 5 , near the junction between the lower part of the device comprising the outer barrel 2 and the upper part comprising in particular the drilled cylinder 5 and the rotating body 3 (not shown in Figure figure 6 ).
  • connection between the outer barrel 2 and the rotating body 3 is made, in the example shown here, by an O-ring 92 inserted into grooves formed respectively on an interior surface of the rotating body 3 and on an exterior surface of the exterior barrel 2 .
  • the piston 52 may include an oblong portion 521 inserted into the duct 5.
  • the piston 52 is linked to the hollow cylinder 5 by means of a projection 522 of the internal surface of the duct 51 adapted to be clipped into a circular groove 523 of the oblong portion 521.
  • the device comprises a sleeve 10, extending in the rotating body, which is fixed relative to the outer barrel 2 and which has guides in translation of the ring 71.
  • the outer barrel 2 comprises in its upper part a notch 21 adapted to mesh with a corresponding toothing 101 of said sleeve, which blocks the sleeve in rotation vis-à-vis the outer barrel 2.
  • the sleeve comprises on its internal surface longitudinal grooves 102, that is to say parallel to the main axis (A), along which the ring 71 is guided.
  • the ring 71 may therefore have, on its periphery, notches 72 which slide on the longitudinal grooves 102.
  • the device cover has been omitted at the figures 3 and 4 .
  • the cover covers the application tip 4 and only a small end portion of the rotating body 3. .
  • the figure 7 shows, in a schematic sectional view, an example of another embodiment of the invention.
  • the figure 8 illustrates the device of the figure 7 according to an exploded view.
  • the threaded portion of the assembly formed by the rotating body 3 and the drilled cylinder 5 is formed on an interior surface 31 of the rotating body 3, said interior surface 31 having a thread.
  • the thread formed on the inner surface 31 is therefore a female thread.
  • the threaded part is a ring 71 ′ rigidly linked to the inner shaft 1 or formed, as in the example shown here, integrally with said inner shaft 1.
  • the ring 71 ′ comprises on part of its periphery a thread cooperating with the thread of the inner surface 31 of the rotating body 3. It is therefore a male thread, of corresponding diameter and of the same pitch.
  • the ring 71 ′ is integral with and formed integrally, for example by molding, with the internal barrel 1. It comprises two threaded portions 73, formed in the upper part of the internal barrel 1, that is to say. ie at its open end.
  • a longitudinal guide 23 is formed at the end of the outer shaft 2.
  • the longitudinal guide extends inside the rotating body 3, in order to guide the rise of the internal barrel 1 in said rotating body 3.
  • the longitudinal guide 23 has two longitudinal openings 24 in which the threaded portions 73 of the ring 71 ', which protrude from the rest of the ring, can slide.
  • the device of figures 7 to 9 comprises a piston 52.
  • the piston 52 allows in particular, as explained with reference to figures 3 to 6 , expulsion of all or almost all of the product P, and to avoid fouling of the threaded part when using the device.
  • a base 43 of the application tip 4 is arranged at the end of the device and allows its assembly.
  • the base 43 is adapted on the one hand to its clipping to the drilled cylinder 5, and to the guide means 23 of the outer barrel on the other hand.
  • the base 43, and therefore more generally the end piece 4, as well as the drilled cylinder 5, remain fixed relative to the outer barrel 2 when the rotating body 3 is rotated in order to cause the translation of the interior barrel in the device.
  • the base 43 also provides an end volume 44 adapted to receive the non-return valve 91.
  • the base 43 is configured for fixing, for example by clipping, a cap 45 comprising the application surface 41.
  • the application surface can have various shapes, depending on the type of product and the targeted application area.
  • the application surface can be substantially conical, as in the example of figures 7 to 9 , or be substantially flat and inclined with respect to the main axis (A) of the device, as in the example of figures 3 to 6 , or be domed as in the example of figures 1 and 2 .
  • the devices presented are in particular suitable for the application of a lip gloss, more commonly referred to by the English term “gloss”.
  • the invention thus developed provides a cosmetic or care product applicator device allowing precise dosage of the quantity of product to be delivered (due to the dosage by rotation of a rotating body), and according to the variant of the invention considered, avoiding clogging of the distribution mechanism and / or indicating the quantity of product remaining and, conversely, consumed.

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Description

L'invention concerne le domaine des dispositifs de distribution et d'application d'un produit cosmétique ou de soin.The invention relates to the field of devices for dispensing and applying a cosmetic or care product.

Les produits cosmétiques englobent tous les produits pour le maquillage de la peau ou des phanères ainsi que toutes les compositions parfumantes ou odorantes destinées à une application corporelle.Cosmetic products encompass all products for making up the skin or integuments as well as all perfuming or fragrant compositions intended for body application.

Les produits de soin comportent notamment ceux destinés à être appliqués sur le corps humain ou animal pour traiter ou prévenir une pathologie.Care products include in particular those intended to be applied to the human or animal body to treat or prevent a pathology.

L'invention porte en particulier sur un dispositif de distribution et d'application d'un tel produit cosmétique ou de soin se présentant sous forme liquide, semi-fluide ou pâteuse.The invention relates in particular to a device for dispensing and applying such a cosmetic or care product in liquid, semi-fluid or pasty form.

Des dispositifs permettant la distribution et l'application d'un produit cosmétique sont connus dans l'état de la technique selon diverses configurations. Par exemple, le document US64732 divulgue un tel dispositif, à savoir en particulier un blaireau dont les poils sont alimentés en crème de rasage ou en savon depuis un réservoir interne, dont la capacité est réduite par actionnement d'un piston mobile dans le réservoir.Devices allowing the distribution and application of a cosmetic product are known in the state of the art according to various configurations. For example, the document US64732 discloses such a device, namely in particular a badger whose bristles are supplied with shaving cream or soap from an internal reservoir, the capacity of which is reduced by actuation of a movable piston in the reservoir.

Afin d'améliorer ce dosage, c'est-à-dire le contrôle fin de la quantité de produit délivré, le document US 2004/0084343 divulgue un distributeur de rouge à lèvres dans lequel une vis sans fin actionne un piston mobile dans le corps creux du dispositif qui forme réservoir, afin d'en réduire progressivement le volume pour provoquer, à l'opposé du piston, l'expulsion contrôlée du rouge à lèvres. Néanmoins, le mécanisme divulgué est encombrant longitudinalement, rendant le distributeur lui-même encombrant. En outre, il ne donne pas d'indication sur la quantité de produit restant dans le distributeur.In order to improve this dosage, that is to say the fine control of the quantity of product delivered, the document US 2004/0084343 discloses a lipstick dispenser in which an endless screw actuates a movable piston in the hollow body of the device which forms a reservoir, in order to progressively reduce its volume to cause, opposite the piston, the controlled expulsion of the lipstick. Nevertheless, the disclosed mechanism is bulky longitudinally, making the dispenser itself bulky. In addition, it does not give any indication of the amount of product remaining in the dispenser.

On connaît enfin par le document WO2012102427 un applicateur de produit cosmétique permettant de délivrer une quantité prédéfinie de produit. Sa structure comporte un récipient principal à l'intérieur duquel un piston étanche se déplace sur une tige filetée percée longitudinalement. La tige filetée est couplée à un support rotatif qui permet d'entraîner en déplacement le piston dans le corps du récipient. Ce type d'applicateur, dans lequel la tige filetée est en contact avec le produit cosmétique, est sensible à l'encrassement ce qui en limite l'usage à certains produits cosmétiques (très fluides, ne risquant pas de durcir ou de sécher, etc.), et empêche de pouvoir le recharger.We finally know from the document WO2012102427 a cosmetic product applicator making it possible to deliver a predefined quantity of product. Its structure has a main container inside which a sealed piston is moves on a threaded rod drilled longitudinally. The threaded rod is coupled to a rotary support which allows the piston to be driven in movement in the body of the container. This type of applicator, in which the threaded rod is in contact with the cosmetic product, is sensitive to clogging which limits its use to certain cosmetic products (very fluid, not risking hardening or drying, etc. .), and prevents you from being able to recharge it.

Un autre type d'applicateur est connu de FR2639260 .Another type of applicator is known from FR2639260 .

L'objet de l'invention est de proposer un dispositif de distribution et d'application d'un produit cosmétique ou de soin, adapté aux produits liquides à pâteux, résolvant au moins l'un des problèmes précités.The object of the invention is to provide a device for dispensing and applying a cosmetic or care product, suitable for liquid to pasty products, solving at least one of the aforementioned problems.

Ainsi, l'invention porte sur un dispositif de distribution et d'application d'un produit cosmétique ou de soin liquide, semi-fluide ou pâteux selon la revendication 1. Le dispositif comporte un corps tournant allongé et creux et un fût extérieur allongé et creux aboutés l'un à l'autre, et mobiles en rotation l'un par rapport à l'autre. Un embout d'application est fixé en bout du corps tournant, Le corps tournant et le fût extérieur forment un volume intérieur dans lequel sont ménagés un cylindre percé comportant un conduit longitudinal, et un fût intérieur comportant une extrémité ouverte par laquelle est introduit le cylindre percé et une extrémité fermée de sorte à former réservoir pour le produit cosmétique ou de soin.Thus, the invention relates to a device for dispensing and applying a liquid, semi-fluid or pasty cosmetic or care product according to claim 1. The device comprises an elongated and hollow rotating body and an elongated outer barrel and hollow abutting one another, and movable in rotation with respect to one another. An application nozzle is fixed at the end of the rotating body, The rotating body and the outer barrel form an interior volume in which are formed a drilled cylinder comprising a longitudinal duct, and an interior barrel comprising an open end through which the cylinder is introduced. pierced and one end closed so as to form a reservoir for the cosmetic or care product.

Le cylindre percé est fixe en translation par rapport au corps tournant à l'intérieur duquel il s'étend.The drilled cylinder is fixed in translation with respect to the rotating body inside which it extends.

Le dispositif comporte un mécanisme de transformation d'une rotation du corps tournant par rapport au fût extérieur en un mouvement de translation du fût intérieur vis-à-vis du cylindre percé dans le volume intérieur formé par lesdits corps tournant et fût extérieur.The device comprises a mechanism for transforming a rotation of the rotating body relative to the outer barrel into a translational movement of the interior barrel vis-à-vis the cylinder pierced in the interior volume formed by said rotating body and exterior barrel.

Le mouvement relatif entre le fût intérieur formant réservoir et le cylindre percé pénétrant dans ledit fut intérieur par son extrémité ouverte entraîne une variation du volume intérieur disponible dans le fût. Une réduction de ce volume intérieur lorsque le fût intérieur, en remontant le long dudit cylindre percé provoque relativement une plus grande pénétration du cylindre dans le fût, entraîne une expulsion d'une quantité de produit correspondante à la réduction de volume via le conduit longitudinal du cylindre percé.The relative movement between the inner barrel forming the reservoir and the drilled cylinder penetrating into said interior barrel through its open end causes a variation in the interior volume available in the barrel. A reduction of this internal volume when the internal barrel, going up along said pierced cylinder relatively causes a greater penetration of the cylinder into the barrel, results in an expulsion of a quantity of product corresponding to the reduction in volume via the longitudinal duct of the cylinder. drilled cylinder.

Le mécanisme de transformation peut comporter une pièce filetée solidaire du fût intérieur, et l'ensemble formé par le corps tournant et le cylindre percé peut comporter une partie filetée adaptée à coopérer avec la pièce filetée solidaire du fût intérieur de sorte que la rotation dudit corps tournant entraîne la rotation de ladite partie filetée et la translation de ladite pièce filetée et du fût intérieur le long de ladite partie filetée, et corollairement la translation du fût intérieur vis-à-vis du cylindre percé.The transformation mechanism may include a threaded part integral with the inner barrel, and the assembly formed by the rotating body and the drilled cylinder may include a threaded part adapted to cooperate with the threaded part integral with the internal barrel so that the rotation of said body rotating causes the rotation of said threaded part and the translation of said threaded part and of the internal barrel along said threaded part, and corollary of the translation of the internal barrel with respect to the drilled cylinder.

Le dispositif peut comporter en outre un piston monté fixement à une extrémité du cylindre percé introduite par l'extrémité ouverte du fût intérieur, le piston comportant une surface périphérique dont le contact avec la surface intérieure du fût intérieur assure une étanchéité au produit, ledit piston comportant une ouverture centrale débouchant dans le conduit longitudinal du cylindre percé. Dans ce cas, le piston peut comporter une portion allongée s'étendant à l'intérieur du conduit longitudinal du cylindre percé.The device may further include a piston mounted fixedly at one end of the pierced cylinder introduced by the open end of the inner barrel, the piston comprising a peripheral surface whose contact with the interior surface of the inner barrel ensures a seal against the product, said piston comprising a central opening opening into the longitudinal duct of the drilled cylinder. In this case, the piston may include an elongated portion extending inside the longitudinal duct of the pierced cylinder.

Le dispositif peut comporter en outre un clapet anti-retour positionné en sortie du conduit longitudinal du cylindre percé.The device may further include a non-return valve positioned at the outlet of the longitudinal duct of the drilled cylinder.

Selon un premier mode de réalisation, la partie filetée est formée par ou sur le cylindre percé, de sorte que ledit cylindre percé présente sur sa surface extérieure un filetage de sorte à former une vis, la pièce filetée étant une bague formant écrou sur ledit cylindre percé.According to a first embodiment, the threaded part is formed by or on the drilled cylinder, so that said drilled cylinder has a thread on its outer surface so as to form a screw, the threaded part being a ring forming a nut on said cylinder. perforated.

La partie filetée peut être formée par adjonction d'une tige filetée creuse sur une surface extérieure du cylindre percé.The threaded portion may be formed by adding a hollow threaded rod to an exterior surface of the drilled cylinder.

Le dispositif peut comporter un manchon dans le corps tournant, ledit manchon étant libre en rotation vis-à-vis dudit corps tournant mais fixe en rotation vis-à-vis du fût extérieur, ladite bague étant à l'intérieur du manchon et ledit manchon et ladite bague étant configurés de sorte que ladite bague peut se translater dans le manchon mais y demeure fixe en rotation.The device may include a sleeve in the rotating body, said sleeve being free to rotate with respect to said rotating body but fixed in rotation with respect to the outer barrel, said ring being inside the sleeve and said sleeve. and said ring being configured so that said ring can translate in the sleeve but remains fixed therein in rotation.

Le manchon peut comporter, sur une face interne, au moins une rainure longitudinale, et la bague peut comporter au moins une encoche dans laquelle est introduite ladite rainure longitudinale de sorte que la bague est guidée en translation longitudinale dans le manchon sur ladite rainure longitudinale.The sleeve may comprise, on an internal face, at least one longitudinal groove, and the ring may comprise at least one notch in which said longitudinal groove is introduced so that the ring is guided in longitudinal translation in the sleeve on said longitudinal groove.

Selon un deuxième mode de réalisation, la partie filetée est formée par une surface intérieure du corps tournant présentant un filetage, la pièce filetée étant une bague présentant sur une au moins une partie de sa périphérie un filetage coopérant avec le filetage de la surface intérieure du corps tournant.According to a second embodiment, the threaded part is formed by an inner surface of the rotating body having a thread, the threaded part being a ring having on at least part of its periphery a thread cooperating with the thread of the inner surface of the rotating body.

La bague peut comporter deux portions filetées, diamétralement opposées, en saillie de la surface extérieure de la bague, et un guide longitudinal qui s'étend à l'intérieur du corps tournant de sorte à guider en translation longitudinale ladite bague à l'intérieur dudit corps tournant.The ring may comprise two threaded portions, diametrically opposed, projecting from the outer surface of the ring, and a longitudinal guide which extends inside the rotating body so as to guide said ring in longitudinal translation inside said ring. rotating body.

Dans tout mode de réalisation, le fût extérieur peut être transparent ou translucide, ou opaque.In any embodiment, the outer barrel can be transparent or translucent, or opaque.

De même, le fût intérieur peut être transparent ou translucide, ou opaque.Likewise, the inner barrel can be transparent or translucent, or opaque.

D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après.Other features and advantages of the invention will become apparent in the description below.

Aux dessins annexés, donnés à titre d'exemples non limitatifs :

  • la figure 1 représente, selon une vue en coupe simplifiée, un dispositif conforme à un mode de réalisation de l'invention ;
  • la figure 2 représente, selon une vue éclatée, le dispositif de la figure 1 ;
  • la figure 3 représente, selon une vue schématique en coupe, un exemple de variante du mode de réalisation des figures 1 et 2 ;
  • la figure 4 représente, selon une vue éclatée, le dispositif de la figure 3 ;
  • la figure 5 représente, selon une vue partielle schématique, un premier détail du dispositif des figures 3 et 4 ;
  • la figure 6 représente, selon une vue partielle schématique, un deuxième détail du dispositif des figures 3 et 4 ;
  • la figure 7 représente, selon une vue schématique en coupe, un exemple d'un autre mode de réalisation de l'invention ;
  • la figure 8 représente, selon une vue éclatée, le dispositif de la figure 7 ;
  • la figure 9 représente, selon une vue partielle schématique, un premier détail du dispositif des figures 7 et 8 ;
  • la figure 10 représente, selon une vue partielle schématique, un deuxième détail du dispositif des figures 7 et 8.
In the accompanying drawings, given by way of nonlimiting examples:
  • the figure 1 shows, in a simplified sectional view, a device according to one embodiment of the invention;
  • the figure 2 shows, in an exploded view, the device of the figure 1 ;
  • the figure 3 shows, in a schematic sectional view, an example of a variant of the embodiment of figures 1 and 2 ;
  • the figure 4 shows, in an exploded view, the device of the figure 3 ;
  • the figure 5 shows, in a partial schematic view, a first detail of the device of figures 3 and 4 ;
  • the figure 6 shows, in a partial schematic view, a second detail of the device of figures 3 and 4 ;
  • the figure 7 shows, in a schematic sectional view, an example of another embodiment of the invention;
  • the figure 8 shows, in an exploded view, the device of the figure 7 ;
  • the figure 9 shows, in a partial schematic view, a first detail of the device of figures 7 and 8 ;
  • the figure 10 shows, in a partial schematic view, a second detail of the device of figures 7 and 8 .

La figure 1 représente un dispositif conforme à un mode de réalisation de l'invention. La figure 2 représente en outre une vue éclatée du dispositif de la figure 1, qui en détaille les pièces constitutives et permet d'en appréhender l'assemblage. Ce dispositif est décrit ci-après pour la distribution et l'application d'un produit cosmétique, mais est identiquement utilisable pour la distribution et l'application d'un produit de soin.The figure 1 shows a device according to one embodiment of the invention. The figure 2 also shows an exploded view of the device of the figure 1 , which details the constituent parts and allows to understand the assembly. This device is described below for the distribution and application of a cosmetic product, but can be used identically for the distribution and application of a care product.

Le dispositif permet la distribution et l'application d'un produit cosmétique P, fluide, semi-fluide, ou pâteux. Le produit cosmétique P est contenu dans un réservoir appelé fût intérieur 1. Le fût intérieur 1 a la forme, dans l'exemple ici représenté, d'un cylindre droit fermé à une extrémité et ouvert à l'autre.The device allows the distribution and application of a cosmetic product P, fluid, semi-fluid, or pasty. The cosmetic product P is contained in a reservoir called the inner barrel 1. The inner barrel 1 has the shape, in the example shown here, of a straight cylinder closed at one end and open at the other.

Le dispositif comporte un fût extérieur 2. Le fût extérieur 2 forme la partie inférieure du dispositif de distribution et d'application. Il est de forme allongée, et peut avoir une forme extérieure cylindrique ou prismatique. Le fût extérieur 2 comporte un fond 21 pouvant comporter une paroi de fermeture. Néanmoins, le fût extérieur comporte avantageusement une prise d'air. Cette prise d'air peut être ménagée au travers la paroi du fond 21. La prise d'air permet les échanges d'air entre l'intérieur et l'extérieur du fût extérieur 2. Elle permet notamment l'entrée d'air dans le fût extérieur lors du mouvement, ci-après décrit, du fût intérieur 1 dans le fût extérieur 2 pendant la distribution de produit. Le fût extérieur 2 comporte également une face opposée 22 ouverte, dans laquelle est introduite le fût intérieur 1. La forme intérieure du fût extérieur 2 correspond à un jeu près à la forme externe du fût intérieur 1. Cela permet une translation longitudinale, ou autrement dit un coulissement selon un axe principal (A) du dispositif, du fût intérieur 1 dans le fût extérieur 2.The device comprises an outer barrel 2. The outer barrel 2 forms the lower part of the dispensing and application device. It is elongated in shape, and may have a cylindrical or prismatic outer shape. The outer barrel 2 comprises a bottom 21 which may include a closing wall. Nevertheless, the outer barrel advantageously comprises an air intake. This air intake can be provided through the bottom wall 21. The air intake allows air exchanges between the interior and the exterior of the outer barrel 2. It allows in particular the entry of air into the outer drum during the movement, described below, of the inner drum 1 in the outer drum 2 during the dispensing of product. The outer barrel 2 also has an open opposite face 22, into which the interior barrel 1 is introduced. The interior shape of the exterior barrel 2 corresponds to a clearance close to the external shape of the interior barrel 1. This allows longitudinal translation, or otherwise. said sliding along a main axis (A) of the device, of the inner barrel 1 in the outer barrel 2.

Le fût extérieur 2 est avantageusement transparent ou translucide, ce qui permet de visualiser la position du fût intérieur 1 dans le dispositif. La position du fût intérieur 1 dans le dispositif correspond en outre à une quantité de produit restant donnée. En d'autres termes, visualiser la position du fût intérieur 1 permet à l'utilisateur de visualiser la quantité de produit restante, ou, réciproquement, la quantité de produit consommé.The outer barrel 2 is advantageously transparent or translucent, which makes it possible to visualize the position of the inner barrel 1 in the device. The position of the inner barrel 1 in the device also corresponds to a quantity of product remaining given. In other words, visualizing the position of the inner barrel 1 allows the user to visualize the quantity of product remaining, or, conversely, the quantity of product consumed.

Si le fût intérieur 1 est lui-même transparent ou translucide, le produit est directement visible. Cela est esthétiquement valorisant, et permet en outre à l'utilisateur d'identifier le produit souhaité par son apparence, notamment sa couleur, sa brillance, et/ou ses autres caractéristiques visuelles.If the inner barrel 1 is itself transparent or translucent, the product is directly visible. This is aesthetically rewarding, and also allows the user to identify the desired product by its appearance, in particular its color, its shine, and / or its other visual characteristics.

Le dispositif comporte également un élément qui forme sa partie supérieure et qui est appelé corps tournant 3. Le corps tournant 3 est de forme allongée, et peut avoir une forme extérieure cylindrique ou prismatique, et notamment une forme extérieure correspondant à la forme extérieure du fût inférieur 2. Le corps tournant 3 est abouté au fût extérieur 2. Le corps tournant 3 peut être pivoté vis-à-vis de ce dernier autour de l'axe principal (A) du dispositif. Des exemples de liaisons pouvant être mis en œuvre, entre le corps tournant 3 et le fût extérieur 2 sont décrits ci-après en référence aux figures 3, 6 et 9.The device also comprises an element which forms its upper part and which is called the rotating body 3. The rotating body 3 is of elongated shape, and may have a cylindrical or prismatic outer shape, and in particular an outer shape corresponding to the outer shape of the barrel. lower 2. The rotating body 3 abuts the outer barrel 2. The rotating body 3 can be pivoted with respect to the latter around the main axis (A) of the device. Examples of connections that can be implemented between the rotating body 3 and the outer barrel 2 are described below with reference to figures 3 , 6 and 9 .

Le corps tournant 3 est désigné ainsi car il constitue l'élément que l'utilisateur tourne, par rapport au fût extérieur 2, afin de provoquer la distribution de produit cosmétique par le dispositif.The rotating body 3 is so designated because it constitutes the element that the user turns, relative to the outer barrel 2, in order to cause the dispensing of cosmetic product by the device.

Le corps tournant 3 est creux et définit ainsi, avec le fût extérieur 2 auquel il est lié, un volume intérieur du dispositif de distribution et d'application.The rotating body 3 is hollow and thus defines, with the outer barrel 2 to which it is linked, an internal volume of the dispensing and application device.

Un embout applicateur 4 est fixé en bout du corps tournant 3. L'embout applicateur 4 présente une surface d'application 41, par laquelle le produit cosmétique P est distribué et qui en permet l'application, par exemple en une couche mince et régulière sur la peau de l'utilisateur du dispositif.An applicator tip 4 is fixed at the end of the rotating body 3. The applicator tip 4 has an application surface 41, through which the cosmetic product P is distributed and which allows it to be applied, for example in a thin and regular layer. on the skin of the user of the device.

Le dispositif comporte, dans le volume intérieur formé par le corps tournant 3 et le fût extérieur 2, d'une part le fût intérieur 1, mais également un cylindre percé 5. Le cylindre percé 5 comporte sur toute sa longueur, c'est-à-dire le long de son axe d'extension confondu avec l'axe principal (A), un conduit longitudinal 51. Le conduit longitudinal 51 présente une section constante ou évolutive.The device comprises, in the interior volume formed by the rotating body 3 and the exterior barrel 2, on the one hand the interior barrel 1, but also a pierced cylinder 5. The pierced cylinder 5 comprises over its entire length, ie. that is to say along its axis of extension coincident with the main axis (A), a longitudinal duct 51. The longitudinal duct 51 has a constant or changing section.

Dans les différents modes de réalisation de l'invention, le cylindre percé 5 est fixe en translation par rapport au corps tournant 3, à l'intérieur duquel il s'étend. Selon le mode de réalisation considéré, le cylindre percé 5 peut être fixe ou mobile en rotation par rapport au corps tournant 3. Dans le mode de réalisation des figures 1 à 6, le cylindre percé 5 est fixe en rotation par rapport au corps tournant 3.In the various embodiments of the invention, the drilled cylinder 5 is fixed in translation with respect to the rotating body 3, inside which he's stretching. According to the embodiment considered, the drilled cylinder 5 may be fixed or mobile in rotation with respect to the rotating body 3. In the embodiment of figures 1 to 6 , the drilled cylinder 5 is fixed in rotation with respect to the rotating body 3.

Selon diverses variantes des divers modes de réalisation de l'invention, le cylindre percé 5 peut soit être fixé au corps tournant 3 directement ou via une pièce intermédiaire qui peut être l'embout d'application 4, ou bien être formé de manière monobloc avec le corps tournant 3.According to various variants of the various embodiments of the invention, the drilled cylinder 5 can either be fixed to the rotating body 3 directly or via an intermediate piece which can be the application nozzle 4, or else be formed integrally with the rotating body 3.

Le cylindre percé 5 est introduit dans le fût intérieur 1 par son extrémité ouverte 22.The drilled cylinder 5 is introduced into the inner barrel 1 through its open end 22.

Le dispositif comporte un mécanisme de transformation d'une rotation du corps tournant 3 par rapport au fût extérieur 2 en un mouvement de translation du fût intérieur 1 vis-à-vis du cylindre percé 5.The device comprises a mechanism for transforming a rotation of the rotating body 3 relative to the outer barrel 2 into a translational movement of the interior barrel 1 vis-à-vis the pierced cylinder 5.

Ainsi, dans le volume intérieur formé par lesdits corps tournant et fût extérieur, c'est le fût intérieur 1 qui est mobile, tandis que le cylindre percé 5 reste fixe longitudinalement. Du fait du mouvement du fût intérieur 1, le cylindre percé pénètre plus ou moins dans ledit fût intérieur, ce qui en fait varier le volume intérieur disponible pour le stockage du produit cosmétique P.Thus, in the interior volume formed by said rotating body and exterior barrel, it is the interior barrel 1 which is movable, while the pierced cylinder 5 remains fixed longitudinally. Due to the movement of the inner barrel 1, the pierced cylinder penetrates more or less into said inner barrel, which causes it to vary the internal volume available for the storage of the cosmetic product P.

Une diminution du volume disponible dans le cylindre intérieur P entraîne une expulsion d'une quantité correspondante de produit P via le conduit longitudinal 51 du cylindre percé 5.A decrease in the volume available in the inner cylinder P results in an expulsion of a corresponding quantity of product P via the longitudinal duct 51 of the drilled cylinder 5.

Le mécanisme de transformation du mouvement peut avoir diverses configurations, dont deux variantes sont détaillées à l'appui des figures 3 à 6 d'une part, et 7 à 10 d'autre part. Ces exemples de mécanismes, ainsi que celui de la figure 1 sont basés sur une pièce filetée (présentant un filetage femelle ou mâle selon les variantes considérées de l'invention) liée au fût intérieur 1, et sur le fait que l'ensemble formé par le corps tournant 3 et le cylindre percé 5 comporte une partie filetée (mâle ou femelle selon la variante considérée) adaptée à coopérer avec la pièce filetée.The movement transformation mechanism can have various configurations, two variations of which are detailed in support of the figures 3 to 6 on the one hand, and 7 to 10 on the other. These examples of mechanisms, as well as that of the figure 1 are based on a threaded part (having a female or male thread according to the considered variants of the invention) linked to the inner barrel 1, and on the fact that the assembly formed by the rotating body 3 and the drilled cylinder 5 comprises a part threaded (male or female depending on the variant considered) adapted to cooperate with the threaded part.

La rotation dudit ensemble formé par le corps tournant et le cylindre percé entraîne la translation de ladite pièce filetée et du fût intérieur dans ledit corps tournant, et corollairement du fût intérieur vis-à-vis du cylindre percé.The rotation of said assembly formed by the rotating body and the drilled cylinder causes the translation of said threaded part and of the inner shaft in said rotating body, and corollary of the inner shaft with respect to the drilled cylinder.

Dans l'exemple de la figure 1, la pièce filetée est une bague 71 présentant un filetage intérieur, appelé filetage femelle. La bague 71 est fixée à l'extrémité ouverte 22 du fût intérieur 1, qu'elle obstrue sauf au niveau de son ouverture filetée.In the example of figure 1 , the threaded part is a ring 71 having an internal thread, called a female thread. The ring 71 is fixed to the open end 22 of the inner barrel 1, which it obstructs except at the level of its threaded opening.

En remontant dans le corps tournant, le fût intérieur 1 remonte le long du cylindre percé 5, ce qui a pour effet de diminuer le volume intérieur disponible dans le fût intérieur 1 pour le produit P, et de provoquer l'expulsion d'une quantité de produit P du fût intérieur 1 par le conduit 51 du cylindre percé 5.Going up in the rotating body, the inner barrel 1 goes up along the drilled cylinder 5, which has the effect of reducing the interior volume available in the interior barrel 1 for the product P, and of causing the expulsion of a quantity of product P from the inner barrel 1 via the duct 51 of the drilled cylinder 5.

Le dispositif peut comporter, comme c'est le cas dans l'exemple représenté à la figure 1, un capuchon ou capot 8. Le capot 8 permet de fermer le dispositif afin d'éviter que du produit cosmétique ne soit répandu, de protéger l'embout de distribution, et d'éviter un actionnement non souhaité du dispositif.The device may include, as is the case in the example shown in figure 1 , a cap or cover 8. The cover 8 makes it possible to close the device in order to prevent cosmetic product from being spilled, to protect the dispensing tip, and to prevent undesired actuation of the device.

Le capot 8 peut également avoir un rôle esthétique. Il peut porter un logo ou une inscription.The cover 8 can also have an aesthetic role. It can carry a logo or an inscription.

La figure 3 présente, selon une vue en coupe transversale, une variante du mode de réalisation des figures 1 et 2. Une vue éclatée de la variante de réalisation de la figure 3 est présentée à la figure 4. La cinématique de fonctionnement de cette variante est identique à celle décrite ci-avant en référence auxdites figures 1 et 2. Néanmoins, la variante de la figure 4 diffère de celle présentée aux figures 1 et 2 essentiellement par les caractéristiques décrites ci-après. Un piston 52 est fixé à l'extrémité du cylindre percé. Le piston 52 comporte une ouverture centrale 53 qui débouche dans le conduit 51 du cylindre percé 5. L'ouverture centrale 53 assure ainsi une communication fluidique entre une surface frontale 54 du piston 52, qui est en contact avec le produit P dans le cylindre percé 5, et ledit conduit 51. Le piston 52 est configuré de sorte à présenter une surface périphérique 55 en contact étanche avec la paroi intérieure 11 du fût intérieur 1. Ainsi, lorsque le fût intérieur 1 remonte autour du cylindre percé 5, la diminution de volume disponible dans le fût intérieur 1 sous la surface frontale 54 du piston 52 entraîne l'expulsion d'une quantité de produit P correspondant à cette diminution. Le produit est expulsé via l'ouverture centrale 53 du piston 52, puis le conduit 51 du cylindre percé, avant d'atteindre l'embout d'application 4 qu'il traverse par des orifices distributeurs 42 avant d'atteindre la surface d'application 41.The figure 3 shows, in a cross-sectional view, a variant of the embodiment of the figures 1 and 2 . An exploded view of the alternative embodiment of the figure 3 is presented at the figure 4 . The operating kinematics of this variant is identical to that described above with reference to said figures 1 and 2 . Nevertheless, the variant of the figure 4 differs from that presented to figures 1 and 2 essentially by the characteristics described below. A piston 52 is attached to the end of the drilled cylinder. The piston 52 has a central opening 53 which opens into the duct 51 of the pierced cylinder 5. The central opening 53 thus ensures fluid communication between a front surface 54 of the piston 52, which is in contact with the product P in the pierced cylinder. 5, and said duct 51. The piston 52 is configured so as to have a peripheral surface 55 in sealed contact with the inner wall 11 of the inner barrel 1. Thus, when the inner barrel 1 rises around the pierced cylinder 5, the decrease in volume available in the inner barrel 1 under the front surface 54 of the piston 52 causes the expulsion of a quantity of product P corresponding to this reduction. The product is expelled via the central opening 53 of the piston 52, then the conduit 51 of the pierced cylinder, before reaching the application tip 4 which it passes through through dispensing orifices 42 before reaching the application surface 41.

Le piston 52 permet une expulsion complète ou presque complète du produit, le volume résiduel dans le fût intérieur 1 étant nul ou quasiment nul lorsque ledit fût intérieur est remonté au maximum dans le dispositif, et que la face frontale 54 du piston 52 est au contact ou à proximité du fond du fût intérieur 1. En outre, le piston évite que la partie filetée ne soit au contact de produit cosmétique lors de l'utilisation du dispositif. Cela évite tout encrassement de ladite partie filetée, et peut, le cas échéant, permettre de remplir à nouveau le dispositif en produit cosmétique sans qu'il soit nécessaire de nettoyer la partie filetée.The piston 52 allows complete or almost complete expulsion of the product, the residual volume in the inner barrel 1 being zero or almost zero when said interior barrel is raised as far as possible in the device, and when the front face 54 of the piston 52 is in contact. or near the bottom of the inner barrel 1. In addition, the piston prevents the threaded part from coming into contact with cosmetic product when using the device. This prevents any fouling of said threaded part, and can, where appropriate, make it possible to refill the device with cosmetic product without it being necessary to clean the threaded part.

Le conduit 51 a, dans l'exemple représenté, une section évolutive. En particulier, le conduit 51 présente une restriction progressive de son entrée (à son extrémité introduite dans le fût intérieur 1) à sa sortie. L'évolution de la section, notamment sa restriction, et/ou une forme particulière du conduit 51 peuvent par exemple permettre la déstructuration de la formule et l'éclatement de billes comportant un fluide présentes dans le produit P (par exemple un brillant à lèvres, pour améliorer le brillant obtenu), juste avant la distribution dudit produit P.The conduit 51 has, in the example shown, an evolving section. In particular, the duct 51 has a progressive restriction of its inlet (at its end introduced into the inner barrel 1) at its outlet. The evolution of the section, in particular its restriction, and / or a particular shape of the duct 51 can for example allow the destructuring of the formula and the bursting of beads comprising a fluid present in the product P (for example a lip gloss , to improve the gloss obtained), just before dispensing said product P.

Dans la variante de l'invention ici représentée, un clapet anti-retour 91 est disposé entre la sortie du conduit 51 et l'embout d'application 4. Le clapet anti-retour 91 permet de protéger le produit P contenu dans le dispositif de l'atmosphère extérieure. Le clapet anti-retour 91 permet également, dans une certaine mesure, d'éviter que le corps tournant ne soit actionné dans le sens de rotation tendant à ré-aspirer du produit vers le fût intérieur 1.In the variant of the invention shown here, a non-return valve 91 is arranged between the outlet of the conduit 51 and the application nozzle 4. The non-return valve 91 protects the product P contained in the device. the outside atmosphere. The non-return valve 91 also makes it possible, to a certain extent, to prevent the rotating body from being actuated in the direction of rotation tending to suck product back into the inner barrel 1.

De manière avantageuse, le clapet anti-retour contribue à l'étanchéité générale du dispositif de distribution lorsque ce dernier est en position inversé (embout d'application 4 orienté vers le bas), par exemple dans le sac à main d'une utilisatrice.Advantageously, the non-return valve contributes to the general sealing of the dispensing device when the latter is in the inverted position (application nozzle 4 facing downwards), for example in a user's handbag.

Le clapet anti-retour 91 peut également aider à l'éclatement de billes présentes, le cas échéant, dans le produit P.The non-return valve 91 can also aid in the bursting of balls present, if any, in the product P.

Une autre différence entre le dispositif des figures 1 et 2 et celui des figures 3 à 6 est la constitution de la partie filetée du cylindre percé. Tandis que dans le dispositif des figures 1 et 2, le cylindre percé 5 et la partie filetée sont monoblocs, dans la variante des figures 3 à 6 la partie filetée est formée par une tige filetée creuse 56 qui est adjointe au cylindre percé 5. En particulier, la tige filetée creuse 56 forme un fourreau autour du cylindre percé 5, c'est-à-dire autour de la surface extérieure du cylindre percé.Another difference between the device of figures 1 and 2 and that of figures 3 to 6 is the constitution of the threaded part of the drilled cylinder. While in the system of figures 1 and 2 , the drilled cylinder 5 and the threaded part are in one piece, in the variant of figures 3 to 6 the threaded part is formed by a hollow threaded rod 56 which is added to the drilled cylinder 5. In particular, the hollow threaded rod 56 forms a sleeve around the drilled cylinder 5, that is to say around the outer surface of the cylinder perforated.

Comme cela est bien visible à la figure 5, afin de maintenir la tige filetée creuse 56 fixe en rotation par rapport au cylindre percé 5, la tige filetée creuse 56 est munie, sur une portion de sa surface intérieure, d'encoches 57 de forme correspondant à celle d'ergots 58 portés par le cylindre percé 5.As is clearly visible at the figure 5 , in order to keep the hollow threaded rod 56 fixed in rotation with respect to the drilled cylinder 5, the hollow threaded rod 56 is provided, on a portion of its inner surface, with notches 57 of shape corresponding to that of lugs 58 carried by the drilled cylinder 5.

La figure 6 représente une vue de détail du dispositif des figures 3 à 5, à proximité de la jonction entre la partie basse du dispositif comportant le fût extérieur 2 et la partie haute comportant notamment le cylindre percé 5 et le corps tournant 3 (non représenté sur la figure 6).The figure 6 represents a detailed view of the device figures 3 to 5 , near the junction between the lower part of the device comprising the outer barrel 2 and the upper part comprising in particular the drilled cylinder 5 and the rotating body 3 (not shown in Figure figure 6 ).

La connexion entre le fût extérieur 2 et le corps tournant 3 est réalisée, dans l'exemple ici représenté, par un joint torique 92 inséré dans des gorges formées respectivement sur une surface intérieure du corps tournant 3 et sur une surface extérieure du fût extérieur 2.The connection between the outer barrel 2 and the rotating body 3 is made, in the example shown here, by an O-ring 92 inserted into grooves formed respectively on an interior surface of the rotating body 3 and on an exterior surface of the exterior barrel 2 .

Comme montré à la figure 6, le piston 52 peut comporter une portion oblongue 521 insérée dans le conduit 5. Le piston 52 est lié au cylindre creux 5 grâce à une saillie 522 de la surface interne du conduit 51 adapté à se clipser dans une rainure circulaire 523 de la portion oblongue 521.As shown in figure 6 , the piston 52 may include an oblong portion 521 inserted into the duct 5. The piston 52 is linked to the hollow cylinder 5 by means of a projection 522 of the internal surface of the duct 51 adapted to be clipped into a circular groove 523 of the oblong portion 521.

Afin de permettre la translation de la bague 71 le long de la partie filetée du cylindre creux 5, ladite bague 71 doit être libre en translation vis-à-vis du fût extérieur 2 et du corps tournant 3 tout en étant maintenue fixe en rotation vis-à-vis du fût extérieur 2. A cette fin, le dispositif comporte un manchon 10, s'étendant dans le corps tournant, qui est fixe par rapport au fût extérieur 2 et qui présente des guides en translation de la bague 71.In order to allow the translation of the ring 71 along the threaded part of the hollow cylinder 5, said ring 71 must be free in translation with respect to the outer barrel 2 and the rotating body 3 while being kept fixed in rotation. -à -vis the outer barrel 2. To this end, the device comprises a sleeve 10, extending in the rotating body, which is fixed relative to the outer barrel 2 and which has guides in translation of the ring 71.

Ainsi, le fût extérieur 2 comporte en sa partie supérieure un crantage 21 adapté à s'engrener avec une denture correspondante 101 dudit manchon, ce qui bloque le manchon en rotation vis-à-vis du fût extérieur 2. Le manchon comporte sur sa surface interne des rainures longitudinales 102, c'est-à-dire parallèles à l'axe principal (A), le long desquelles la bague 71 est guidée. La bague 71 peut pour cela présenter, sur sa périphérie, des encoches 72 qui coulissent sur les rainures longitudinale 102.Thus, the outer barrel 2 comprises in its upper part a notch 21 adapted to mesh with a corresponding toothing 101 of said sleeve, which blocks the sleeve in rotation vis-à-vis the outer barrel 2. The sleeve comprises on its internal surface longitudinal grooves 102, that is to say parallel to the main axis (A), along which the ring 71 is guided. The ring 71 may therefore have, on its periphery, notches 72 which slide on the longitudinal grooves 102.

Le capot du dispositif a été omis aux figures 3 et 4. Néanmoins, comme le suggère la forme extérieure de l'embout d'application 4 ainsi que du corps tournant 3, dans cette variante de l'invention le capot couvre l'embout d'application 4 et uniquement une faible portion extrémale du corps tournant 3.The device cover has been omitted at the figures 3 and 4 . However, as suggested by the outer shape of the application tip 4 as well as of the rotating body 3, in this variant of the invention the cover covers the application tip 4 and only a small end portion of the rotating body 3. .

Il est bien évident que les caractéristiques distinctives du dispositif des figures 3 à 6, notamment la présence d'un piston 52 en bout du cylindre percé 5, la constitution de la partie filetée dudit cylindre percé 5, les moyens pour assurer la translation de la pièce filetée (par exemple la bague 71), la forme du capot 8, etc., peuvent être appliquées (ou non) indépendamment l'un de l'autre à tout dispositif ayant une configuration analogue au dispositif des figures 1 et 2.It is obvious that the distinctive characteristics of the device figures 3 to 6 , in particular the presence of a piston 52 at the end of the drilled cylinder 5, the constitution of the threaded part of said drilled cylinder 5, the means for ensuring the translation of the threaded part (for example the ring 71), the shape of the cover 8 , etc., can be applied (or not) independently of each other to any device having a configuration similar to the device of figures 1 and 2 .

La figure 7 représente, selon une vue schématique en coupe un exemple d'un autre mode de réalisation de l'invention. La figure 8 illustre le dispositif de la figure 7 selon une vue éclatée.The figure 7 shows, in a schematic sectional view, an example of another embodiment of the invention. The figure 8 illustrates the device of the figure 7 according to an exploded view.

Dans le mode de réalisation des figures 7 et 8, et tel que représenté selon la vue partielle de la figure 9, la partie filetée de l'ensemble formé par le corps tournant 3 et le cylindre percé 5 est formée sur une surface intérieure 31 du corps tournant 3, ladite surface intérieure 31 présentant un filetage. Le filetage formé sur la surface intérieure 31 est donc un filetage femelle. La pièce filetée est une bague 71' lié rigidement au fût intérieur 1 ou formée, comme dans l'exemple ici représenté, intégralement avec ledit fût intérieur 1.In the embodiment of figures 7 and 8 , and as shown according to the partial view of the figure 9 , the threaded portion of the assembly formed by the rotating body 3 and the drilled cylinder 5 is formed on an interior surface 31 of the rotating body 3, said interior surface 31 having a thread. The thread formed on the inner surface 31 is therefore a female thread. The threaded part is a ring 71 ′ rigidly linked to the inner shaft 1 or formed, as in the example shown here, integrally with said inner shaft 1.

La bague 71' comporte sur une partie de sa périphérie un filetage coopérant avec le filetage de la surface intérieure 31 du corps tournant 3. Il s'agit donc d'un filetage mâle, de diamètre correspondant et de même pas.The ring 71 ′ comprises on part of its periphery a thread cooperating with the thread of the inner surface 31 of the rotating body 3. It is therefore a male thread, of corresponding diameter and of the same pitch.

Dans l'exemple de réalisation ici représenté, la bague 71' est solidaire et formée intégralement, par exemple par moulage, avec le fût intérieur 1. Elle comporte deux portions filetées 73, ménagées en partie haute du fût intérieur 1, c'est-à-dire à son extrémité ouverte.In the exemplary embodiment shown here, the ring 71 ′ is integral with and formed integrally, for example by molding, with the internal barrel 1. It comprises two threaded portions 73, formed in the upper part of the internal barrel 1, that is to say. ie at its open end.

Afin de guider la bague 71' (et donc le fût intérieur 1) en translation dans le dispositif et d'empêcher ladite bague 71' de tourner, un guide longitudinal 23 est formé en bout du fût extérieur 2. Le guide longitudinal s'étend à l'intérieur du corps tournant 3, afin de guider la remontée du fût intérieur 1 dans ledit corps tournant 3.In order to guide the ring 71 ′ (and therefore the inner shaft 1) in translation in the device and to prevent said ring 71 ′ from rotating, a longitudinal guide 23 is formed at the end of the outer shaft 2. The longitudinal guide extends inside the rotating body 3, in order to guide the rise of the internal barrel 1 in said rotating body 3.

Dans l'exemple ici représenté, le guide longitudinal 23 comporte deux ouvertures longitudinales 24 dans lesquelles les portions filetées 73 de la bague 71', qui font saillie du reste de la bague, peuvent coulisser.In the example shown here, the longitudinal guide 23 has two longitudinal openings 24 in which the threaded portions 73 of the ring 71 ', which protrude from the rest of the ring, can slide.

Tout comme le mode de réalisation des figures 3 à 6, le dispositif des figures 7 à 9 comporte un piston 52. Le piston 52 permet notamment, comme expliqué en référence aux figures 3 à 6, une expulsion de la totalité ou presque du produit P, et d'éviter l'encrassement de la partie filetée lors de l'utilisation du dispositif.Just like the embodiment of figures 3 to 6 , the device of figures 7 to 9 comprises a piston 52. The piston 52 allows in particular, as explained with reference to figures 3 to 6 , expulsion of all or almost all of the product P, and to avoid fouling of the threaded part when using the device.

Les figures 7 et 8, et la figure 10, illustrent un détail de réalisation du mode de réalisation représenté de l'invention. Un socle 43 de l'embout d'application 4 est disposé à l'extrémité du dispositif et permet son assemblage. En particulier, le socle 43 est adapté d'une part à son clipsage au cylindre percé 5, et aux moyens de guidage 23 du fût extérieur d'autre part. Ainsi le socle 43, et donc plus généralement l'embout 4, ainsi que le cylindre percé 5, restent fixes par rapport au fût extérieur 2 lorsque le corps tournant 3 est tourné afin de provoquer la translation du fût intérieur dans le dispositif.The figures 7 and 8 , and the figure 10 , illustrate an embodiment detail of the illustrated embodiment of the invention. A base 43 of the application tip 4 is arranged at the end of the device and allows its assembly. In particular, the base 43 is adapted on the one hand to its clipping to the drilled cylinder 5, and to the guide means 23 of the outer barrel on the other hand. Thus the base 43, and therefore more generally the end piece 4, as well as the drilled cylinder 5, remain fixed relative to the outer barrel 2 when the rotating body 3 is rotated in order to cause the translation of the interior barrel in the device.

Le socle 43 ménage également un volume extrémal 44 adapté à recevoir le clapet anti-retour 91. Enfin, le socle 43 est configuré pour la fixation, par exemple par clipsage, d'un chapeau 45 comportant la surface d'application 41.The base 43 also provides an end volume 44 adapted to receive the non-return valve 91. Finally, the base 43 is configured for fixing, for example by clipping, a cap 45 comprising the application surface 41.

Il est notable que la surface d'application peut présenter des formes diverses, selon le type de produit et la zone d'application visée.It should be noted that the application surface can have various shapes, depending on the type of product and the targeted application area.

Ainsi, la surface d'application peut être sensiblement conique, comme dans l'exemple des figures 7 à 9, ou être sensiblement plane et inclinée vis-à-vis de l'axe principal (A) du dispositif, comme dans l'exemple des figures 3 à 6, ou encore être bombée comme dans l'exemple des figures 1 et 2.Thus, the application surface can be substantially conical, as in the example of figures 7 to 9 , or be substantially flat and inclined with respect to the main axis (A) of the device, as in the example of figures 3 to 6 , or be domed as in the example of figures 1 and 2 .

Les dispositifs présentés sont notamment adaptés à l'application d'un brillant à lèvres, plus couramment désigné par le terme anglophone « gloss ».The devices presented are in particular suitable for the application of a lip gloss, more commonly referred to by the English term “gloss”.

L'invention ainsi développée offre un dispositif applicateur de produit cosmétique ou de soin permettant un dosage précis de la quantité de produit à délivrer (du fait du dosage par rotation d'un corps tournant), et selon la variante de l'invention considérée, évitant l'encrassement du mécanisme de distribution et/ou indiquant la quantité de produit restante et, réciproquement, consommée.The invention thus developed provides a cosmetic or care product applicator device allowing precise dosage of the quantity of product to be delivered (due to the dosage by rotation of a rotating body), and according to the variant of the invention considered, avoiding clogging of the distribution mechanism and / or indicating the quantity of product remaining and, conversely, consumed.

Claims (13)

  1. A device for dispensing and applying a liquid, semi-fluid or pasty cosmetic or care product (P) comprising an elongate hollow rotary body (3) and an elongate hollow outer barrel (2) which are butted to each other, and rotatable relative to each other,
    an application tip (4) being fastened at an end of the rotary body (3),
    said rotary body (3) and outer barrel (2) forming an inner volume in which are provided:
    a bored cylinder (5), comprising a longitudinal duct (51); and
    an inner barrel (1), comprising an open end by which is inserted the bored cylinder (5) and an end which is closed so as to form a reservoir for the cosmetic or care product (P),
    characterized in that the bored cylinder (5) is translationally fixed relative to the rotary body (3), inside which it extends, and in that the device comprises a mechanism for transforming rotation of the rotary body (3) relative to the outer barrel (2) into a translational movement of the inner barrel (1) relative to the bored cylinder (5) inside the inner volume formed by said rotary body (3) and outer barrel (2).
  2. A device according to claim 1, wherein the transforming mechanism comprises a threaded component joined to the inner barrel (1), and wherein the assembly formed by the rotary body (3) and the bored cylinder (5) comprises a threaded part configured to cooperate with the threaded component joined to the inner barrel (1) such that the rotation of said rotary body (3) drives the rotation of said threaded part and the translation of said threaded component and of the inner barrel (1) along said threaded part, and as a corollary the translation of the inner barrel (1) relative to the bored cylinder (5).
  3. A device according to claim 1 or claim 2, further comprising a piston (52) fixedly mounted at one end of the bored cylinder (5) inserted through the open end of the inner barrel (1), the piston (52) comprising a peripheral surface (55) the contact of which with the inner surface of the inner barrel (1) provides sealing for the product (P), said piston (52) comprising a central opening (53) that is open to the longitudinal duct (51) of the bored cylinder (5).
  4. A device according to claim 3, wherein the piston comprises an elongate portion (52) extending inside the longitudinal duct (521) of the bored cylinder (51).
  5. A device according to one of the preceding claims, further comprising a non-return valve (91) located at an outlet of the longitudinal duct (51) of the bored cylinder (5).
  6. A device according to claim 1, wherein the threaded part is formed by or on the bored cylinder (5), such that said bored cylinder (5) has on its outer surface a screw thread so as to form a screw, the threaded component being a ring (71) forming a nut on said bored cylinder (5).
  7. A device according to claim 6, wherein the threaded part is formed by addition of a hollow threaded rod (56) to an outer surface of the bored cylinder (5).
  8. A device according to claim 6 or claim7 comprising a sleeve (10) in the rotary body, said sleeve (10) being free to rotate relative to said rotary body (3) but unable to rotate relative to the outer barrel (2), said ring (71) being inside the sleeve (10) and said sleeve (10) and said ring (71) being configured such that said ring (71) can translate within the sleeve but remain unable to rotate therein.
  9. A device according to claim 8, wherein the sleeve(100) comprises, on an inner face, at least one longitudinal groove (102), and in which the ring (71) comprises at least one notch (72) in which is inserted said longitudinal groove (102) such that the ring (71) is guided in longitudinal translation inside the sleeve (100) on said longitudinal groove (102).
  10. A device for dispensing a cosmetic product according to claim 1, wherein the threaded part is formed by an inner surface of the rotary body (3) having a screw thread, the threaded component being a ring (71') having on at least part of its periphery a screw thread cooperating with the screw thread of the inner surface of the rotary body (3).
  11. A device according to claim 9, wherein the ring (71') comprises two diametrically opposite threaded portions (73), projecting from the outer surface of the ring (71'), and in that a longitudinal guide extends inside the rotary body (3) so as to guide said ring in longitudinal translation (71') within said rotary body (3).
  12. A device according to any one of the preceding claims, wherein the outer barrel (2) is transparent or translucent.
  13. A device according to claim 12, wherein the inner barrel (1) is transparent or translucent.
EP18752587.8A 2017-07-26 2018-07-18 Device for dispensing and applying a cosmetic or care product Active EP3657978B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1757086A FR3069422B1 (en) 2017-07-26 2017-07-26 DEVICE FOR THE DISTRIBUTION AND APPLICATION OF A COSMETIC OR CARE PRODUCT
PCT/FR2018/051831 WO2019020907A1 (en) 2017-07-26 2018-07-18 Device for dispensing and applying a cosmetic or care product

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EP3657978A1 EP3657978A1 (en) 2020-06-03
EP3657978B1 true EP3657978B1 (en) 2021-10-06

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US (1) US11076676B2 (en)
EP (1) EP3657978B1 (en)
JP (1) JP6945056B2 (en)
KR (1) KR102393712B1 (en)
CN (1) CN110996714B (en)
FR (1) FR3069422B1 (en)
WO (1) WO2019020907A1 (en)

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CN217791869U (en) * 2022-04-21 2022-11-15 洽兴包装工业（中国）有限公司 Anti-locking plug rod combination and rotary discharging container

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EP3657979A1 (en) * 2017-07-26 2020-06-03 Chanel Parfums Beauté Device for dispensing a cosmetic or care product comprising solid elements that are broken during dispensing

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US11076676B2 (en) 2021-08-03
JP2020527994A (en) 2020-09-17
JP6945056B2 (en) 2021-10-06
US20200214421A1 (en) 2020-07-09
FR3069422B1 (en) 2021-07-16
CN110996714B (en) 2022-11-29
KR20200073201A (en) 2020-06-23
EP3657978A1 (en) 2020-06-03
CN110996714A (en) 2020-04-10
KR102393712B1 (en) 2022-05-02
FR3069422A1 (en) 2019-02-01
WO2019020907A1 (en) 2019-01-31

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