EP0746992B1 - Applicator unit for nail varnish - Google Patents

Applicator unit for nail varnish Download PDF

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Publication number
EP0746992B1
EP0746992B1 EP96401168A EP96401168A EP0746992B1 EP 0746992 B1 EP0746992 B1 EP 0746992B1 EP 96401168 A EP96401168 A EP 96401168A EP 96401168 A EP96401168 A EP 96401168A EP 0746992 B1 EP0746992 B1 EP 0746992B1
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EP
European Patent Office
Prior art keywords
neck
unit according
applicator unit
cap
applicator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96401168A
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German (de)
French (fr)
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EP0746992A1 (en
Inventor
Jean-Louis Gueret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
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LOreal SA
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    • 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

Definitions

  • the invention relates to an applicator assembly for a liquid or viscous product found in the fields of cosmetics, paints and glues.
  • the product can be a varnish composition nail polish or a nail care composition.
  • a set of nail polish application includes a reservoir for the product to be applied and an applicator of said product, such as a brush comprising a tuft of hairs, attached to a first end of a rod, the rod being fixed by its other end in a cap intended to close the tank, so the tuft of hair is submerged in this product when the whole application is closed.
  • an applicator of said product such as a brush comprising a tuft of hairs, attached to a first end of a rod, the rod being fixed by its other end in a cap intended to close the tank, so the tuft of hair is submerged in this product when the whole application is closed.
  • the tank has a neck provided with a first thread which cooperates with a second thread provided in the cap.
  • the neck is generally thick and flat, and fitted with a sealing ring.
  • the rod is held in the cap via a support which includes a tray sealing. This sealing plate is in contact with the sealing ring of the neck when the application assembly is closed.
  • the thread is formed over the entire height of the neck and is flush with the upper end of the neck.
  • the applicator member is removed from the reservoir. is impregnated with product.
  • the brush contains an excess of product. It is therefore necessary to proceed with the elimination of this excess product. and for this, the user spins the brush by wiping it on the end of the neck of the tank.
  • the end of the neck being flat and thick and constituting a span, of the product will remain on the neck and flow along the external wall of the neck and thus soil the thread of the neck.
  • you screw the cap back on to close the tank the product then spreads on the neck and in the thread. The product thus forms a fouling after drying of the cap-neck assembly. When next use, it is difficult, if not impossible, to unscrew the tank cap.
  • the product on the neck does not allows more good sealing of the application assembly because the tray seal is no longer in leaktight contact with the neck seal ring.
  • the tray does not more perfectly the relief of the end of the neck, when the latter is soiled after the first use, which further reduces the seal.
  • the document FR-A-1 566 737 describes a bottle, intended to contain a sticky liquid, such as a varnish, closed by screwing with a plug.
  • the bottle consists of a container whose neck is placed inside a cone, so that the cap, once screwed does not come into contact with the upper part and the side part of the bottle.
  • Two gutters are provided on the cone to retain the drops of product which could flow along the cone and stick the screwed part.
  • the thread intended to ensure the fixing of the stopper on the bottle, is on the upper part of the body of the container, near the base of the cone.
  • the container ends in the shape of a truncated cone, the neck found placed inside the cone
  • patent CH-C-535,167 proposes extend the orifice of the neck by a tube having a flat end and thick.
  • a tube having a flat end and thick When the cap is screwed onto the bottle, there is a space between the side wall of the cap and the wall of the tubing preventing excess product soil the thread of the neck.
  • the neck thread may still be soiled with product.
  • a deposit of product is formed after each spin, resulting in a decrease in tightness.
  • the present invention therefore aims to remedy the drawbacks mentioned above.
  • the object of the present invention is, in particular, to provide a set of applications which allows better wringing of the application member while avoiding soiling the tank neck. It also aims to propose means allowing ensure good sealing of the application assembly.
  • the present invention therefore relates to a set of application of a product liquid or viscous, comprising a reservoir, surmounted by a neck and a cap carrying an application member which, in the closed position of the assembly, is immersed in the product contained in this tank, said neck comprising a base and an upper end forming a free edge, a sealing plate deformable being disposed inside the cap, said cap being provided a thread, characterized in that said neck comprises a thread capable of cooperating with the thread of the cap, and ends with a cylindrical portion whose free edge alone forms a sharp edge, said sharp edge being in the closed position of the assembly, capable of coming into engagement with the sealing plate of so as to deform the latter and form a seal in the deformation zone, the upper end of the neck being free of range.
  • Said sharp edge makes it possible to wring out the application member well.
  • all of the excess product drained flows into the space internal tank. This prevents any flow of product along the outer wall of the neck and therefore avoids soiling the latter.
  • cap any element capable of holding the applicator member in the tank, without the latter hermetically closing the tank.
  • the application set according to the invention may be suitable for the application of any other product liquid or viscous, and in particular paints, especially paints for models and drawings, and glues.
  • the upper end of the neck can be provided with a first edge and at least a second edge, the first edge being at a higher level to that of the second edge, relative to the X axis.
  • the profile of the upper end of the neck according to the invention can be produced on the whole of said end or only over a part. In this last case, the applicator member is wrung out only on the profiled part of the neck.
  • the edge is sharp (that is to say defined by the intersection of two planes).
  • said first edge is defined by the intersection of two planes forming an acute angle.
  • the neck has at least one thread located on the base.
  • the cap has a sealing plate.
  • the end profile upper neck ensures better contact with the sealing plate of the cap, and therefore improves the overall tightness of the application assembly.
  • the projecting edge of the neck allows easy deformation of the plate sealing after screwing on the cap, deformation allowing to maintain a perfect seal between the neck and the cap.
  • the small thickness of the edge facilitates the elimination of any deposit of product on the edge during deformation of the sealing plate during screwing.
  • the neck may have a lip surmounting the base and ending by said upper end of the neck.
  • the lip thus allows a greater ease of wringing of the applicator member, the latter then being better wrung out, with greater precision.
  • the base can have a wall thickness e 1 and said lip can have a wall thickness e 2 , in the direction orthogonal to the axis X, less than e 1 , these thicknesses being measured in a direction orthogonal to l 'axis (X).
  • the ratio e 2 / e 1 is preferably less than 0.9 and, preferably, ranges from 0.1 to 0.8.
  • the base has a height H and the lip has a height h such that the h / H ratio is less than 6 and preferably ranges from 0.03 to 4, the heights H and h being measured along the axis X of the reservoir.
  • the section of the internal wall of the neck can be constant or variable, along the X axis.
  • the internal section of the upper part of the neck, located towards the upper end may be smaller than the internal section from the bottom of the neck located towards the tank.
  • the bottleneck presents then an internal constriction, in particular in the form of a cone, the most large opening is directed towards the bottom of the tank.
  • This profile of the inner wall makes it possible to spin the applicator member inside the reservoir itself, before spinning on the upper end of the neck. In addition, the release of the reservoir application member is facilitated. Indeed, the lower part of larger internal section makes it easier to lean in relation to the axis (X), the applicator member, when it leaves the reservoir.
  • the neck can be made in one piece, which allows reduce the manufacturing costs of the application assembly.
  • the tank with the neck can be made in one piece.
  • the tank can be made of glass, plastic or metal.
  • the tank may have an attached bottom.
  • it can be done in one material treated in its mass or treated externally (external face), in order to provide more slippery to limit the adhesion of the product and / or improve the aesthetics and / or limit the breakage.
  • the cap may include a sub-capsule.
  • the sub-capsule can be provided with a thread cooperating with the thread of the base.
  • the neck may include a counter ring, integral with the reservoir, which carries the base.
  • the outer diameter of the counter ring is substantially close to the outer diameter of the cap but may be larger or smaller.
  • the applicator member can be a brush, a foam, a feather, a plastic flocked or molded plastic.
  • the applicator member When the applicator member is a brush, it consists of a tuft bristles, the bristles being capable of being made of any material and in any known form of the skilled person.
  • Figure 1 is an axial section of an application assembly according to a first variant of the invention.
  • Figure 1a shows in detail the upper end bottleneck.
  • Figure 2 is an elevational view, partially in section, of the application assembly of figure 1.
  • Figure 3 is an elevational view, partially in section, of an application assembly according to a second variant of the invention.
  • Figure 4 is a perspective view of the tank of Figure 3
  • Figure 5 is an axial section of an application assembly according to a third variant of the invention.
  • Figure 5a shows in detail the upper end bottleneck.
  • Figure 6 shows an axial section of a tank according to a fourth variant of the invention.
  • Figure 6a shows in detail the upper end of the neck.
  • Figure 7 shows an axial section of a tank according to a fifth variant of the invention.
  • a designated application set generally by reference 2 comprising a reservoir 4, having a longitudinal axis (X) of symmetry, and a cap 6.
  • the reservoir 4 contains a product 3 liquid or viscous to be applied, which can for example be a composition of nail polish.
  • the reservoir 4 comprises a neck 8 comprising a base 10 supporting a lip 12, this lip having a wall thickness e 2 in the direction orthogonal to the axis X and a height h along the axis X.
  • the internal diameter of the neck is substantially constant.
  • the base 10 has a thread 14 which is distant from the upper open end 13 of the lip 12.
  • This free end 13 of the neck has a first projecting edge 15 located above a second edge 17, measured along the axis X.
  • the edge 15 is located on the internal wall 21 of the neck while the second edge 17 is located on the external wall 19 of the neck. It can be seen in FIG. La that the edge 15 is defined by two planes P and P 'which form an acute angle between them.
  • the plane P forms an obtuse angle with the X axis, measured clockwise.
  • the base 10 has a wall thickness e 1 , measured at the bottom of the thread of the thread 14, in the direction orthogonal to the axis X and a height H along the axis X. As visible in FIG. 1, the thickness e 2 is less than the thickness e 1 .
  • e 1 can be chosen from 1 to 4 mm and e 1 from 5 to 10 mm. More specifically, e 1 is equal to 7 mm and e 2 is equal to 2 mm.
  • h is chosen, in practice, from 1 to 12 mm and H ⁇ 3 mm and up to 30 mm.
  • the reservoir-base-lip assembly is made in one piece, in particular in glass.
  • the cap 6 comprises a skirt 16, the internal wall of which is provided with a thread 18 complementary to the thread 14 of the base 10.
  • the cap 6 also includes an applicator member which is in the present case a brush 20 comprising a tuft of hairs 21 fixed to the free end 22a of a rod 22.
  • the other end 22b of the rod is fixed to a support 24 which is forced into the cap 6.
  • the support 24 has a circular flat 26 which constitutes a sealing plate.
  • the cap 6 When the application assembly is closed, the cap 6 is screwed onto the reservoir 4. The flat 26 is then crushed against the edge 15 of the lip 12, then deformed along the edge of the edge 15, thus ensuring the tightness of the application assembly, including after several uses.
  • Figure 3 shows an alternative embodiment of the application set differentiating from that of Figure 1 by the shape of the neck.
  • the bottleneck has a counter ring 28 integral with the tank and carrying the base 10. This creates a space in the tank, constituting an expansion chamber for the product.
  • the counter ring it is possible to provide a screwing guide cord the cap on the neck, located on the neck between the threads of the base and the contrabague.
  • FIG. 4 shows an alternative embodiment of the invention which differs from that of FIG. 3 by the fact that the base 10 has a thread 14 only in the lower part, which is therefore further from the upper open end 13 of the lip 12 as in the whole of FIG. 3.
  • the profile of the upper end 13 of the neck 8 is homogeneous, that is to say continuous all around the periphery of the end 13.
  • the profile could be only on part of the periphery of the neck, the rest of the periphery with a flat profile.
  • FIG. 5 shows an alternative embodiment of the invention different from that of figure 1 by the profile of the upper end 13 of the neck 8.
  • the projecting edge 15 is located on the outer wall 19 of the neck while the edge 17 is located on the internal wall 21 of the neck.
  • the plane P defining the projecting edge 15 with the plane P ', forms an acute angle with the axis X, measured in the direction of the needle of a watch.
  • the planes P and P ' also form an acute angle between them. In this conformation, plane P makes the flow towards the interior of the tank even better 4 of the excess product wrung out.
  • the cap 6 has a sub-capsule 30 fitted into the cap 6 and which is provided in its inner wall with a thread 32 intended to cooperate with the thread 14 of the base 10.
  • the sealing plate 34 is provided with a flange 36 allowing the support 24 to be force-fitted into the sub-capsule 30.
  • the plate 26 is deformed on either side of the upper edge 15 thus improving the sealing of the application assembly.
  • FIG. 6 shows a reservoir in which the base 10 of the neck 8 has at its free end 13 two edges 17a, 17b located at the same level relative to to the X axis, as well as a projecting edge 15 situated above the edges 17a, 17b.
  • the edge 17a is located on the outer wall 19 of the neck while the edge 17b is located on the internal wall 21 of the neck.
  • the planes P and P ', defining the projecting edge 15, define between them an acute angle.
  • the plane P forms an acute angle with the axis X while the plane P 'forms a obtuse angle with the X axis, angles measured clockwise.
  • Figure 7 shows a tank differentiating from that of Figure 6 by the conformation of the neck. Furthermore, the base 10 of the neck is surmounted by a lip 12. It can be seen in this FIG. 7 that the internal diameter d 1 of the neck at the level of the base 10 is greater than the internal diameter d 2 of the neck at level of the lip 12.
  • the throttling zone 30 of the internal wall 21 of the neck allows the brush 20 to be wrung beforehand when it comes out of the reservoir 4, thus limiting the quantity of product to be wrung on the free end of the neck .
  • the larger diameter area d1 makes it easier to tilt the brush 20 relative to the axis X, thereby facilitating its exit from the reservoir 4.
  • the brush rod can also be mounted with the screw sub-capsule, in one piece.

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Description

L'invention est relative à un ensemble applicateur d'un produit liquide ou visqueux que l'on trouve dans les domaines de la cosmétique, des peintures ou des colles. Dans le domaine de la cosmétique, le produit peut être une composition de vernis à ongles ou une composition de soin des ongles.The invention relates to an applicator assembly for a liquid or viscous product found in the fields of cosmetics, paints and glues. In the field of cosmetics, the product can be a varnish composition nail polish or a nail care composition.

Généralement, un ensemble d'application de vernis à ongles comprend un réservoir pour le produit à appliquer et un applicateur dudit produit, tel qu'un pinceau comportant une touffe de poils, fixée à une première extrémité d'une tige, la tige étant fixée par son autre extrémité dans un capuchon destiné à fermer le réservoir, de sorte que la touffe de poils est immergée dans ce produit lorsque l'ensemble d'application est fermé.Typically, a set of nail polish application includes a reservoir for the product to be applied and an applicator of said product, such as a brush comprising a tuft of hairs, attached to a first end of a rod, the rod being fixed by its other end in a cap intended to close the tank, so the tuft of hair is submerged in this product when the whole application is closed.

Pour assurer la bonne fermeture de l'ensemble, le réservoir comporte un goulot muni d'un premier filetage qui coopère avec un second filetage prévu dans le capuchon. Le goulot est généralement épais et plat, et muni d'un jonc d'étanchéité. La tige est maintenue dans le capuchon via un support qui comprend un plateau d'étanchéité. Ce plateau d'étanchéité est en contact avec le jonc d'étanchéité du goulot lorsque l'ensemble d'application est fermé. Le filetage est formé sur toute la hauteur du goulot et affleure l'extrémité supérieure du goulot.To ensure proper closure of the assembly, the tank has a neck provided with a first thread which cooperates with a second thread provided in the cap. The neck is generally thick and flat, and fitted with a sealing ring. The rod is held in the cap via a support which includes a tray sealing. This sealing plate is in contact with the sealing ring of the neck when the application assembly is closed. The thread is formed over the entire height of the neck and is flush with the upper end of the neck.

Pour appliquer le produit sur l'ongle, on sort du réservoir l'organe applicateur qui est imprégné de produit. Généralement, le pinceau comporte un excédent de produit. Il est donc nécessaire de procéder à l'élimination de cet excédent de produit et pour cela, l'utilisateur essore le pinceau en l'essuyant sur l'extrémité du goulot du réservoir. L'extrémité du goulot étant plate et épaisse et constituant une portée, du produit va rester sur le goulot et couler le long de la paroi externe du goulot et souiller ainsi le filetage du goulot. Lorsque l'on revisse le capuchon pour fermer le réservoir, le produit se répand alors sur le goulot et dans le filetage. Le produit forme ainsi un encrassement après séchage de l'ensemble capuchon-goulot. Lors des prochaines utilisations, il est alors difficile, voire même impossible, de dévisser le capuchon du réservoir. De plus, le produit qui se trouve sur le goulot ne permet plus une bonne étanchéité de l'ensemble d'application car le plateau d'étanchéité n'est plus en contact étanche avec le jonc d'étanchéité du goulot. En outre, du fait de la portée du plateau sur l'extrémité du goulot, le plateau n'épouse plus parfaitement le relief de l'extrémité du goulot, lorsque celle-ci est souillée après la première utilisation, ce qui diminue encore l'étanchéité.To apply the product to the nail, the applicator member is removed from the reservoir. is impregnated with product. Generally, the brush contains an excess of product. It is therefore necessary to proceed with the elimination of this excess product. and for this, the user spins the brush by wiping it on the end of the neck of the tank. The end of the neck being flat and thick and constituting a span, of the product will remain on the neck and flow along the external wall of the neck and thus soil the thread of the neck. When you screw the cap back on to close the tank, the product then spreads on the neck and in the thread. The product thus forms a fouling after drying of the cap-neck assembly. When next use, it is difficult, if not impossible, to unscrew the tank cap. In addition, the product on the neck does not allows more good sealing of the application assembly because the tray seal is no longer in leaktight contact with the neck seal ring. In in addition, due to the range of the tray on the end of the neck, the tray does not more perfectly the relief of the end of the neck, when the latter is soiled after the first use, which further reduces the seal.

Le document FR-A-1 566 737 décrit un flacon, destiné à contenir un liquide collant, tel qu'un vernis, fermé par vissage par un bouchon. Le flacon se compose d'un récipient dont le goulot se trouve placé à l'intérieur d'un cône, de façon que le bouchon, une fois vissé ne vienne pas en contact avec la partie supérieure et la partie latérale du flacon. Deux gouttières sont prévues sur le cône pour retenir les gouttes de produit qui pourraient couler le long du cône et coller la partie vissée. Le filetage, destiné à assurer la fixation du bouchon sur le flacon, se trouve sur la partie supérieure du corps du récipient, au voisinage de la base du cône. Aussi, selon ce document, le récipient se termine en forme de tronc de cône, le goulot se trouvant placé à l'intérieur du côneThe document FR-A-1 566 737 describes a bottle, intended to contain a sticky liquid, such as a varnish, closed by screwing with a plug. The bottle consists of a container whose neck is placed inside a cone, so that the cap, once screwed does not come into contact with the upper part and the side part of the bottle. Two gutters are provided on the cone to retain the drops of product which could flow along the cone and stick the screwed part. The thread, intended to ensure the fixing of the stopper on the bottle, is on the upper part of the body of the container, near the base of the cone. Also, according to this document, the container ends in the shape of a truncated cone, the neck found placed inside the cone

Pour éviter l'encrassement du filetage du goulot, le brevet CH-C-535 167 propose de prolonger l'orifice du goulot par une tubulure présentant une extrémité plate et épaisse. Lorsque le capuchon est vissé sur le flacon, il reste un espace entre la paroi latérale du capuchon et la paroi de la tubulure empêchant l'excédent de produit de souiller le filetage du goulot. Toutefois, en cas d'écoulement important de produit le long de la paroi externe de la tubulure, suite à l'essorage du pinceau sur l'extrémité plate de la tubulure, le filetage du goulot peut se trouver malgré tout souillé de produit. De plus, en raison de l'extrémité plate de la tubulure, un dépôt de produit se forme après chaque essorage, entraínant une diminution de l'étanchéité.To avoid fouling of the neck thread, patent CH-C-535,167 proposes extend the orifice of the neck by a tube having a flat end and thick. When the cap is screwed onto the bottle, there is a space between the side wall of the cap and the wall of the tubing preventing excess product soil the thread of the neck. However, in the event of a large flow of produced along the external wall of the tubing, following the wringing of the brush on the flat end of the tubing, the neck thread may still be soiled with product. In addition, due to the flat end of the tubing, a deposit of product is formed after each spin, resulting in a decrease in tightness.

La présente invention vise donc à remédier aux inconvénients mentionnés ci-dessus.The present invention therefore aims to remedy the drawbacks mentioned above.

La présente invention a pour but, notamment, de fournir un ensemble d'application qui permette de mieux essorer l'organe d'application tout en évitant de souiller le goulot du réservoir. Elle a pour but également de proposer des moyens permettant d'assurer une bonne étanchéité de l'ensemble d'application.The object of the present invention is, in particular, to provide a set of applications which allows better wringing of the application member while avoiding soiling the tank neck. It also aims to propose means allowing ensure good sealing of the application assembly.

La demanderesse a découvert, de façon inattendue et surprenante, que de tels résultats pouvaient être obtenus en conférant à l'extrémité supérieure du goulot un profil interdisant tout écoulement de produit essoré sur la paroi externe du goulot.The Applicant has discovered, unexpectedly and surprisingly, that such results could be achieved by conferring on the upper end of the neck a profile preventing any flow of product wrung on the external wall of the neck.

La présente invention a donc pour objet un ensemble d'application d'un produit liquide ou visqueux, comprenant un réservoir, surmonté d'un goulot et un capuchon portant un organe d'application qui, en position fermée de l'ensemble, est immergé dans le produit contenu dans ce réservoir, ledit goulot comportant une embase et une extrémité supérieure formant un bord libre, un plateau d'étanchéité déformable étant disposé à l'intérieur du capuchon, ledit capuchon étant muni d'un filetage, caractérisé en ce que ledit goulot comporte un filetage apte à coopérer avec le filetage du capuchon, et se termine par une portion cylindrique dont le bord libre forme à lui seul une arête vive, ladite arête vive étant, en position fermée de l'ensemble, apte à venir en engagement avec le plateau d'étanchéité de manière à déformer ce dernier et à former étanchéité dans la zone de déformation, l'extrémité supérieure du goulot étant exempte de portée.The present invention therefore relates to a set of application of a product liquid or viscous, comprising a reservoir, surmounted by a neck and a cap carrying an application member which, in the closed position of the assembly, is immersed in the product contained in this tank, said neck comprising a base and an upper end forming a free edge, a sealing plate deformable being disposed inside the cap, said cap being provided a thread, characterized in that said neck comprises a thread capable of cooperating with the thread of the cap, and ends with a cylindrical portion whose free edge alone forms a sharp edge, said sharp edge being in the closed position of the assembly, capable of coming into engagement with the sealing plate of so as to deform the latter and form a seal in the deformation zone, the upper end of the neck being free of range.

Ladite arête vive permet de bien essorer l'organe d'application. En particulier, lors de l'essorage, la totalité de l'excédent de produit essoré s'écoule dans l'espace interne du réservoir. On empêche ainsi tout écoulement de produit le long de la paroi externe du goulot et on évite donc de souiller ce dernier.Said sharp edge makes it possible to wring out the application member well. In particular, when of the spin, all of the excess product drained flows into the space internal tank. This prevents any flow of product along the outer wall of the neck and therefore avoids soiling the latter.

Par capuchon, on entend tout élément susceptible de maintenir l'organe d'application dans le réservoir, sans que celui-ci ferme hermétiquement le réservoir. By cap is meant any element capable of holding the applicator member in the tank, without the latter hermetically closing the tank.

L'ensemble d'application selon l'invention, bien que préconieé pour le conditionnement de vernis à ongles, peut convenir pour l'application de tout autre produit liquide ou visqueux, et en particulier les peintures, notamment les peintures pour maquettes et pour dessins, et les colles.The application set according to the invention, although recommended for packaging nail polish, may be suitable for the application of any other product liquid or viscous, and in particular paints, especially paints for models and drawings, and glues.

Avantageusement, l'extrémité supérieure du goulot peut être munie d'une première arête et d'au moins une deuxième arête, la première arête étant à un niveau supérieur à celui de la deuxième arête, par rapport à l'axe X.Advantageously, the upper end of the neck can be provided with a first edge and at least a second edge, the first edge being at a higher level to that of the second edge, relative to the X axis.

Le profil de l'extrémité supérieure du goulot selon l'invention peut être réalisé sur la totalité de ladite extrémité ou seulement sur une partie. Dans ce dernier cas, l'organe d'application est essoré seulement sur la partie profilée du goulot.The profile of the upper end of the neck according to the invention can be produced on the whole of said end or only over a part. In this last case, the applicator member is wrung out only on the profiled part of the neck.

Selon l'invention, l'arête est vive (c'est-à-dire définie par l'intersection de deux plans ).
Avantageusement, ladite première arête est définie par l'intersection de deux plans formant un angle aigu.According to the invention, the edge is sharp (that is to say defined by the intersection of two planes).
Advantageously, said first edge is defined by the intersection of two planes forming an acute angle.

Selon un mode particulier de l'invention, le goulot comporte au moins un filetage situé sur l'embase.According to a particular embodiment of the invention, the neck has at least one thread located on the base.

Le capuchon comporte un plateau d'étanchéité. Dans ce cas, le profil de l'extrémité supérieure du goulot assure un meilleur contact avec le plateau d'étanchéité du capuchon, et donc améliore l'étanchéité globale de l'ensemble d'application. En particulier, l'arête saillante du goulot autorise une déformation aisée du plateau d'étanchéité après vissage du capuchon, déformation permettant de maintenir une parfaite étanchéité entre le goulot et le capuchon. De plus, la faible épaisseur de l'arête facilite l'élimination d'un éventuel dépôt de produit sur l'arête lors de la déformation du plateau d'étanchéité lors du vissage.The cap has a sealing plate. In this case, the end profile upper neck ensures better contact with the sealing plate of the cap, and therefore improves the overall tightness of the application assembly. In particular, the projecting edge of the neck allows easy deformation of the plate sealing after screwing on the cap, deformation allowing to maintain a perfect seal between the neck and the cap. In addition, the small thickness of the edge facilitates the elimination of any deposit of product on the edge during deformation of the sealing plate during screwing.

En outre, le goulot peut comporter une lèvre surmontant l'embase et se terminant par ladite extrémité supérieure du goulot. La lèvre permet ainsi une plus grande facilité d'essorage de l'organe d'application, ce dernier étant alors mieux essoré, avec une plus grande précision.In addition, the neck may have a lip surmounting the base and ending by said upper end of the neck. The lip thus allows a greater ease of wringing of the applicator member, the latter then being better wrung out, with greater precision.

Avantageusement, l'embase peut avoir une épaisseur de paroi e1 et ladite lèvre peut avoir une épaisseur de paroi e2, selon la direction orthogonale à l'axe X, inférieure à e1, ces épaisseurs étant mesurées selon une direction orthogonale à l'axe (X).Advantageously, the base can have a wall thickness e 1 and said lip can have a wall thickness e 2 , in the direction orthogonal to the axis X, less than e 1 , these thicknesses being measured in a direction orthogonal to l 'axis (X).

Selon l'invention, le rapport e2/e1 est de préférence inférieur à 0,9 et, de préfé rence, va de 0,1 à 0,8. According to the invention, the ratio e 2 / e 1 is preferably less than 0.9 and, preferably, ranges from 0.1 to 0.8.

Avantageusement, l'embase a une hauteur H et la lèvre a une hauteur h telles que le rapport h/H est inférieur à 6 et de préférence va de 0,03 à 4, les hauteurs H et h étant mesurées selon l'axe X du réservoir.Advantageously, the base has a height H and the lip has a height h such that the h / H ratio is less than 6 and preferably ranges from 0.03 to 4, the heights H and h being measured along the axis X of the reservoir.

Selon l'invention, la section de la paroi interne du goulot peut être constante ou variable, selon l'axe X. En particulier, la section interne de la partie supérieure du goulot, située vers l'extrémité supérieure, peut être plus petite que la section interne de la partie inférieure du goulot située vers le réservoir. Le goulot présente alors un étranglement interne, notamment sous la forme d'un cône dont la plus grande ouverture est dirigée vers le fond du réservoir. Ce profil de la paroi interne permet d'effectuer un essorage de l'organe d'application à l'intérieur même du réservoir, avant l'essorage sur l'extrémité supérieure du goulot. De plus, la sortie de l'organe d'application du réservoir en est facilitée. En effet, la partie inférieure de plus grande section interne permet de pencher plus facilement, par rapport à l'axe (X), l'organe d'application, lors de sa sortie du réservoir.According to the invention, the section of the internal wall of the neck can be constant or variable, along the X axis. In particular, the internal section of the upper part of the neck, located towards the upper end, may be smaller than the internal section from the bottom of the neck located towards the tank. The bottleneck presents then an internal constriction, in particular in the form of a cone, the most large opening is directed towards the bottom of the tank. This profile of the inner wall makes it possible to spin the applicator member inside the reservoir itself, before spinning on the upper end of the neck. In addition, the release of the reservoir application member is facilitated. Indeed, the lower part of larger internal section makes it easier to lean in relation to the axis (X), the applicator member, when it leaves the reservoir.

Selon l'invention, le goulot peut être réalisé en une seule pièce, ce qui permet de réduire les coûts de fabrication de l'ensemble d'application.According to the invention, the neck can be made in one piece, which allows reduce the manufacturing costs of the application assembly.

De préférence, le réservoir avec le goulot peut être réalisé en une seule pièce. Le réservoir peut être constitué en verre, en matière plastique ou en métal. En outre, le réservoir peut comporter un fond rapporté. De plus, il peut être réalisé en un matériau traité dans sa masse ou traité à l'extérieur (face externe), en vue d'apporter plus de glissant pour limiter l'adhérence du produit et/ou améliorer l'esthétique et/ou limiter la casse.Preferably, the tank with the neck can be made in one piece. The tank can be made of glass, plastic or metal. In addition, the tank may have an attached bottom. In addition, it can be done in one material treated in its mass or treated externally (external face), in order to provide more slippery to limit the adhesion of the product and / or improve the aesthetics and / or limit the breakage.

Selon une autre variante de l'invention, le capuchon peut comporter une sous-capsule. La sous-capsule peut être munie d'un filetage coopérant avec le filetage de l'embase.According to another variant of the invention, the cap may include a sub-capsule. The sub-capsule can be provided with a thread cooperating with the thread of the base.

Selon l'invention, le goulot peut comporter une contrebague, solidaire du réservoir, qui porte l'embase. De préférence, le diamètre externe de la contrebague est sensiblement voisin du diamètre externe du capuchon mais peut être plus grand ou plus petit.According to the invention, the neck may include a counter ring, integral with the reservoir, which carries the base. Preferably, the outer diameter of the counter ring is substantially close to the outer diameter of the cap but may be larger or smaller.

L'organe d'application peut être un pinceau, une mousse, une plume, un plastique floqué ou un plastique moulé.The applicator member can be a brush, a foam, a feather, a plastic flocked or molded plastic.

Lorsque l'organe d'application est un pinceau, celui-ci est constitué d'une touffe de poils, les poils pouvant être réalisés en toute matière et sous toute forme connues de l'homme du métier.When the applicator member is a brush, it consists of a tuft bristles, the bristles being capable of being made of any material and in any known form of the skilled person.

L'invention consiste, mise à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions dont il sera plus explicitement question après, à propos d'exemples de réalisation décrits en référence aux dessins annexés, mais qui ne sont nullement limitatifs.The invention consists, apart from the arrangements set out above, of a certain number of other provisions which will be discussed more explicitly below, about embodiments described with reference to the accompanying drawings, but which are in no way limiting.

La figure 1 est une coupe axiale d'un ensemble d'application conforme à une première variante de l'invention. La figure 1a montre en détail l'extrémité supérieure du goulot.Figure 1 is an axial section of an application assembly according to a first variant of the invention. Figure 1a shows in detail the upper end bottleneck.

La figure 2 est une vue en élévation, avec coupe partielle, de l'ensemble d'application de la figure 1.Figure 2 is an elevational view, partially in section, of the application assembly of figure 1.

La figure 3 est une vue en élévation, avec coupe partielle, d'un ensemble d'application conforme à une deuxième variante de l'invention.Figure 3 is an elevational view, partially in section, of an application assembly according to a second variant of the invention.

La figure 4 est une vue en perspective du réservoir de la figure 3 Figure 4 is a perspective view of the tank of Figure 3

La figure 5 est une coupe axiale d'un ensemble d'application conforme à une troisième variante de l'invention. La figure 5a montre en détail l'extrémité supérieure du goulot.Figure 5 is an axial section of an application assembly according to a third variant of the invention. Figure 5a shows in detail the upper end bottleneck.

La figure 6 représente une coupe axiale d'un réservoir conforme à une quatrième variante de l'invention. La figure 6a montre en détail l'extrémité supérieure du goulot.Figure 6 shows an axial section of a tank according to a fourth variant of the invention. Figure 6a shows in detail the upper end of the neck.

La figure 7 représente une coupe axiale d'un réservoir conforme à une cinquième variante de l'invention.Figure 7 shows an axial section of a tank according to a fifth variant of the invention.

En se reportant aux figures 1 et 2, on peut voir un ensemble d'application désigné de façon générale par la référence 2, comportant un réservoir 4, présentant un axe longitudinal (X) de symétrie, et un capuchon 6. Le réservoir 4 contient un produit 3 liquide ou visqueux à appliquer, qui peut être par exemple une composition de vernis à ongles.Referring to Figures 1 and 2, we can see a designated application set generally by reference 2, comprising a reservoir 4, having a longitudinal axis (X) of symmetry, and a cap 6. The reservoir 4 contains a product 3 liquid or viscous to be applied, which can for example be a composition of nail polish.

Le réservoir 4 comprend un goulot 8 comportant une embase 10 supportant une lèvre 12, cette lèvre présentant une épaisseur de paroi e2 selon la direction orthogonale à l'axe X et une hauteur h selon l'axe X. Le diamètre interne du goulot est sensiblement constant. En outre, l'embase 10 comporte un filetage 14 qui est éloigné de l'extrémité ouverte supérieure 13 de la lèvre 12. Cette extrémité libre 13 du goulot comporte une première arête saillante 15 située au-dessus d'une deuxième arête 17, mesuré selon l'axe X. L'arête 15 est située sur la paroi interne 21 du goulot tandis que la deuxième arête 17 est située sur la paroi externe 19 du goulot. On voit, sur la figure la, que l'arête 15 est définie par deux plans P et P' qui forment entre eux un angle aigu. Le plan P forme un angle obtus avec l'axe X, mesuré dans le sens des aiguilles d'une montre.The reservoir 4 comprises a neck 8 comprising a base 10 supporting a lip 12, this lip having a wall thickness e 2 in the direction orthogonal to the axis X and a height h along the axis X. The internal diameter of the neck is substantially constant. In addition, the base 10 has a thread 14 which is distant from the upper open end 13 of the lip 12. This free end 13 of the neck has a first projecting edge 15 located above a second edge 17, measured along the axis X. The edge 15 is located on the internal wall 21 of the neck while the second edge 17 is located on the external wall 19 of the neck. It can be seen in FIG. La that the edge 15 is defined by two planes P and P 'which form an acute angle between them. The plane P forms an obtuse angle with the X axis, measured clockwise.

L'embase 10 présente une épaisseur de paroi e1, mesurée en fond du filet du filetage 14, selon la direction orthogonale à l'axe X et une hauteur H selon l'axe X. Comme visible sur la figure 1, l'épaisseur e2 est inférieure à l'épaisseur e1. A titre d'exemple pour un flacon de vernis ou produit de soin des ongles e2 peut être choisi de 1 à 4 mm et e1 de 5 à 10 mm. Plus spécialement, e1 est égale à 7 mm et e2 est égale à 2 mm. De plus, pour un flacon de vernis ou soin des ongles, h est choisi, en pratique, de 1 à 12 mm et H ≥ 3 mm et pouvant atteindre 30 mm.The base 10 has a wall thickness e 1 , measured at the bottom of the thread of the thread 14, in the direction orthogonal to the axis X and a height H along the axis X. As visible in FIG. 1, the thickness e 2 is less than the thickness e 1 . For example, for a bottle of varnish or nail care product e 2 can be chosen from 1 to 4 mm and e 1 from 5 to 10 mm. More specifically, e 1 is equal to 7 mm and e 2 is equal to 2 mm. In addition, for a bottle of varnish or nail care, h is chosen, in practice, from 1 to 12 mm and H ≥ 3 mm and up to 30 mm.

L'ensemble réservoir-embase-lèvre est réalisé en une seule pièce, notamment en verre.The reservoir-base-lip assembly is made in one piece, in particular in glass.

Le capuchon 6 comporte une jupe 16 dont la paroi interne est munie d'un filetage 18 complémentaire du filetage 14 de l'embase 10. Le capuchon 6 comporte également un organe d'application qui est dans le cas présent un pinceau 20 comprenant une touffe de poils 21 fixée à l'extrémité libre 22a d'une tige 22. L'autre extrémité 22b de la tige est fixée à un support 24 qui est introduit à force dans le capuchon 6. Le support 24 comporte un méplat 26 circulaire qui constitue un plateau d'étanchéité.The cap 6 comprises a skirt 16, the internal wall of which is provided with a thread 18 complementary to the thread 14 of the base 10. The cap 6 also includes an applicator member which is in the present case a brush 20 comprising a tuft of hairs 21 fixed to the free end 22a of a rod 22. The other end 22b of the rod is fixed to a support 24 which is forced into the cap 6. The support 24 has a circular flat 26 which constitutes a sealing plate.

Lorsque l'ensemble d'application est fermé, le capuchon 6 est vissé sur le réservoir 4. Le méplat 26 est alors écrasé contre l'arête 15 de la lèvre 12, puis déformé selon le contour de l'arête 15, assurant ainsi l'étanchéité de l'ensemble d'application, y compris après plusieurs utilisations.When the application assembly is closed, the cap 6 is screwed onto the reservoir 4. The flat 26 is then crushed against the edge 15 of the lip 12, then deformed along the edge of the edge 15, thus ensuring the tightness of the application assembly, including after several uses.

Lorsque l'utilisateur souhaite appliquer du produit 3, il dévisse le capuchon et sort le pinceau du réservoir. Le pinceau comporte alors, le plus souvent, un excès de produit. Pour essorer le pinceau, l'utilisateur l'essuie contre l'arête 15 de la lèvre 12. Cette arête 15 étant saillante, elle permet un bon essorage du pinceau et le produit essoré s'écoule totalement à l'intérieur du réservoir 4. De plus, lors du vissage du capuchon sur le goulot, le plateau d'étanchéité 26 s'écrase contre l'arête 15 et épouse la forme de cette dernière. La petite quantité de produit restant éventuellement sur les bords de l'arête 15 après essorage du pinceau est alors repoussé de l'arête 15, laissant celle-ci parfaitement propre et garantissant ainsi une très bonne étanchéité.When the user wishes to apply product 3, he unscrews the cap and exits the reservoir brush. The brush then most often contains an excess of product. To wring out the brush, the user wipes it against the edge 15 of the lip 12. This edge 15 being protruding, it allows a good wringing of the brush and the product drained flows completely inside the tank 4. In addition, during screwing of the cap on the neck, the sealing plate 26 crashes against the edge 15 and follows the shape of the latter. The small amount of product remaining possibly on the edges of the edge 15 after spinning the brush is then pushed back from the edge 15, leaving it perfectly clean and thus guaranteeing a very good seal.

La figure 3 montre une variante de réalisation de l'ensemble d'application se différenciant de celui de la figure 1 par la forme du goulot. Ainsi, le goulot comporte une contrebague 28 solidaire du réservoir et portant l'embase 10. On crée ainsi un espace dans le réservoir, constituant une chambre d'expansion pour le produit. En plus de la contrebague, il est possible de prévoir un cordon de guidage du vissage du capuchon sur le goulot, situé sur ce dernier entre le filetage de l'embase et la contrebague.Figure 3 shows an alternative embodiment of the application set differentiating from that of Figure 1 by the shape of the neck. So the bottleneck has a counter ring 28 integral with the tank and carrying the base 10. This creates a space in the tank, constituting an expansion chamber for the product. In addition to the counter ring, it is possible to provide a screwing guide cord the cap on the neck, located on the neck between the threads of the base and the contrabague.

La figure 4 montre une variante de réalisation de l'invention se différenciant de celle de la figure 3 par le fait que l'embase 10 comporte un filetage 14 uniquement en partie basse, qui est donc plus éloigné de l'extrémité ouverte supérieure 13 de la lèvre 12 que dans l'ensemble de la figure 3. On voit sur cette figure 4 que le profil de l'extrémité supérieure 13 du goulot 8 est homogène, c'est-à-dire continu sur toute la périphérie de l'extrémité 13. Toutefois, le profil pourrait se trouver seulement sur une partie de la périphérie du goulot, le restant de la périphérie présentant un profil plat.FIG. 4 shows an alternative embodiment of the invention which differs from that of FIG. 3 by the fact that the base 10 has a thread 14 only in the lower part, which is therefore further from the upper open end 13 of the lip 12 as in the whole of FIG. 3. It can be seen in this FIG. 4 that the profile of the upper end 13 of the neck 8 is homogeneous, that is to say continuous all around the periphery of the end 13. However, the profile could be only on part of the periphery of the neck, the rest of the periphery with a flat profile.

L'ensemble d'application de la figure 5 montre une variante de réalisation de l'invention se différenciant de celle de la figure 1 par le profil de l'extrémité supérieure 13 du goulot 8. Comme mieux visible sur la figure 5a, l'arête saillante 15 est située sur la paroi externe 19 du goulot tandis que l'arête 17 est située sur la paroi interne 21 du goulot. De plus, le plan P, définissant l'arête saillante 15 avec le plan P', forme un angle aigu avec l'axe X, mesuré dans le sens des aiguille d'une montre. Les plans P et P' forment aussi entre eux un angle aigu. Dans cette conformation, le plan P facilite encore mieux l'écoulement vers l'intérieur du réservoir 4 de l'excès de produit essoré.The application assembly of FIG. 5 shows an alternative embodiment of the invention different from that of figure 1 by the profile of the upper end 13 of the neck 8. As best visible in FIG. 5a, the projecting edge 15 is located on the outer wall 19 of the neck while the edge 17 is located on the internal wall 21 of the neck. In addition, the plane P, defining the projecting edge 15 with the plane P ', forms an acute angle with the axis X, measured in the direction of the needle of a watch. The planes P and P 'also form an acute angle between them. In this conformation, plane P makes the flow towards the interior of the tank even better 4 of the excess product wrung out.

Le capuchon 6 comporte une sous-capsule 30 emmanchée dans le capuchon 6 et qui est munie dans sa paroi intérieure d'un filetage 32 destiné à coopérer avec le filetage 14 de l'embase 10. Le plateau d'étanchéité 34 est muni d'une collerette 36 permettant de fixer à force le support 24 dans la sous-capsule 30. The cap 6 has a sub-capsule 30 fitted into the cap 6 and which is provided in its inner wall with a thread 32 intended to cooperate with the thread 14 of the base 10. The sealing plate 34 is provided with a flange 36 allowing the support 24 to be force-fitted into the sub-capsule 30.

Dans ces variantes, le plateau 26 se déforme de part et d'autre de l'arête supérieure 15 améliorant ainsi l'étanchéité de l'ensemble d'application.In these variants, the plate 26 is deformed on either side of the upper edge 15 thus improving the sealing of the application assembly.

La figure 6 montre un réservoir dans lequel l'embase 10 du goulot 8 comporte à son extrémité libre 13 deux arêtes 17a, 17b situées à un même niveau par rapport à l'axe X, ainsi qu'une arête saillante 15 située au-dessus des arêtes 17a, 17b. Comme mieux visible sur la figure 6a, l'arête 17a est située sur la paroi externe 19 du goulot tandis que l'arête 17b est située sur la paroi interne 21 du goulot. Les plans P et P', définissant l'arête saillante 15, définissent entre eux un angle aigu. De plus, le plan P forme un angle aigu avec l'axe X alors que le plan P' forme un angle obtus avec l'axe X, angles mesurés dans le sens des aiguilles d'une montre.FIG. 6 shows a reservoir in which the base 10 of the neck 8 has at its free end 13 two edges 17a, 17b located at the same level relative to to the X axis, as well as a projecting edge 15 situated above the edges 17a, 17b. As best seen in Figure 6a, the edge 17a is located on the outer wall 19 of the neck while the edge 17b is located on the internal wall 21 of the neck. The planes P and P ', defining the projecting edge 15, define between them an acute angle. In addition, the plane P forms an acute angle with the axis X while the plane P 'forms a obtuse angle with the X axis, angles measured clockwise.

La figure 7 montre un réservoir se différenciant de celui de la figure 6 par la conformation du goulot. Par ailleurs, l'embase 10 du goulot est surmonté d'une lèvre 12. On voit sur cette figure 7 que le diamètre interne d1 du goulot au niveau de l'embase 10 est plus grand que le diamètre interne d2 du goulot au niveau de la lèvre 12. La zone 30 d'étranglement de la paroi interne 21 du goulot permet d'essorer préalablement le pinceau 20 lors de sa sortie du réservoir 4, limitant ainsi la quantité de produit à essorer sur l'extrémité libre du goulot. De plus, la zone de plus grand diamètre d1 permet de pencher plus facilement le pinceau 20 par rapport à l'axe X, facilitant ainsi sa sortie du réservoir 4.Figure 7 shows a tank differentiating from that of Figure 6 by the conformation of the neck. Furthermore, the base 10 of the neck is surmounted by a lip 12. It can be seen in this FIG. 7 that the internal diameter d 1 of the neck at the level of the base 10 is greater than the internal diameter d 2 of the neck at level of the lip 12. The throttling zone 30 of the internal wall 21 of the neck allows the brush 20 to be wrung beforehand when it comes out of the reservoir 4, thus limiting the quantity of product to be wrung on the free end of the neck . In addition, the larger diameter area d1 makes it easier to tilt the brush 20 relative to the axis X, thereby facilitating its exit from the reservoir 4.

Afin de limiter l'excédent de produit sur le pinceau lors de sa sortie du réservoir et donc de réduire encore l'encrassement du filetage par rapport aux ensembles d'application de l'état de la technique, il est possible d'utiliser une tige de plus faible diamètre que celle classiquement employée, par exemple un diamètre inférieur à 3 mm ou allant de 0,5 à 2,5 mm. La tige du pinceau peut être aussi montée avec la sous-capsule à vis, en une seule pièce.To limit the excess product on the brush when it comes out of the tank and therefore to further reduce the fouling of the thread compared to the assemblies application of the state of the art, it is possible to use a lower rod diameter than that conventionally used, for example a smaller diameter to 3 mm or ranging from 0.5 to 2.5 mm. The brush rod can also be mounted with the screw sub-capsule, in one piece.

Claims (27)

  1. Unit for applying a liquid or viscous product, comprising a reservoir (4) surmounted by a neck (8) and a cap (6) bearing an applicator member (20) which, when the unit is closed, is immersed in the product contained in this reservoir, the said neck having a base (10) and an upper end (13) forming a free edge, a deformable sealing plate (26, 34) being placed inside the cap, the said cap having a screw thread, characterized in that the said neck has a screw thread capable of collaborating with the screw thread of the cap, and ends in a cylindrical portion (12), the free edge of which alone forms a sharp edge (15), the said sharp edge being, when the unit is closed, capable of engaging with the sealing plate in such a way as to deform the latter and make a seal in the region of deformation, the upper end of the neck having no bearing surface.
  2. Applicator unit according to Claim 1, characterized in that the reservoir and the neck are formed as a single piece, made of glass.
  3. Applicator unit according to Claim 1 or 2, characterized in that the upper end (13) has a first sharp edge (15) and at least a second sharp edge (17, 17a, 17b), the first sharp edge being at a higher level than the second sharp edge, the levels being measured along a central axis (X) of the reservoir.
  4. Applicator unit according to any one of the preceding claims, characterized in that the neck has a lip (12) surmounting the base and ending in the said end.
  5. Applicator unit according to any one of Claims 1 to 4, characterized in that the sharp edge is defined by the intersection of two planes (P; P') that form an acute angle.
  6. Applicator unit according to any one of Claims 1 to 4, characterized in that the sharp edge is located on an interior wall of the neck.
  7. Applicator unit according to any one of Claims 1 to 4, characterized in that the sharp edge is located on an exterior wall (19) of the neck.
  8. Applicator unit according to any one of Claims 1 to 4, characterized in that the neck has two sharp edges (17a, 17b), each of the latter sharp edges being located one on the exterior wall (19) and the other on the interior wall (21) of the neck, the first sharp edge being located between the two second sharp edges.
  9. Applicator unit according to any one of Claims 1 to 8, characterized in that the said sharp edges have a thickness that does not exceed 2 mm, the thickness being measured in a direction perpendicular to the axis (X).
  10. Applicator unit according to any one of the preceding claims, characterized in that the base (10) has a wall thickness e1 in a direction orthogonal to the axis (X) and in that the lip (12) has a wall thickness e2, in the direction orthogonal to the axis (X), which is less than e1.
  11. Applicator unit according to Claim 10, characterized in that the ratio e2/e1 is less than 0.9.
  12. Applicator unit according to Claim 10 or 11, characterized in that the ratio e2/e1 ranges from 0.1 to 0.8.
  13. Applicator unit according to any one of Claims 4 to 12, characterized in that the base has a height H and the lip has a height h which heights are such that the ratio h/H is less than 6, the heights H and h being measured along the axis (X).
  14. Applicator unit according to Claim 13, characterized in that the ratio h/H ranges from 0.03 to 4.
  15. Unit according to any one of the preceding claims, characterized in that the neck is moulded as a single piece.
  16. Applicator unit according to any one of the preceding claims, characterized in that the neck has a first screw thread (14) provided only on the base.
  17. Applicator unit according to any one of the preceding claims, characterized in that the neck has a first screw thread (14) provided only on the bottom part of the base.
  18. Applicator unit according to Claim 16 or 17, characterized in that the cap has a second screw thread (18) collaborating with that of the base.
  19. Applicator unit according to any one of the preceding claims, characterized in that the cap comprises an interior cap (30) supporting the applicator member.
  20. Applicator unit according to Claim 19, characterized in that the interior cap (30) has a second screw thread (18) collaborating with that of the base.
  21. Applicator unit according to any one of the preceding claims, characterized in that the interior cross section of the neck is constant or can vary along the axis (X).
  22. Applicator unit according to Claim 21, characterized in that the neck comprises an upper part (12) and a lower part (10), the interior cross section of the upper part being smaller than the interior cross section of the lower part.
  23. Applicator unit according to either one of Claims 21 and 22, characterized in that the interior wall (21) of the neck has the shape of a cone, the largest cross section of which faces towards the bottom of the reservoir.
  24. Applicator unit according to any one of the preceding claims, characterized in that the cap comprises a wand (22) bearing the applicator member.
  25. Applicator unit according to any one of the preceding claims, characterized in that the neck comprises a counter-collar (28) integral with the reservoir and carrying the base.
  26. Applicator unit according to any one of the preceding claims, characterized in that the applicator member consists of a brush.
  27. Applicator unit according to any one of the preceding claims, characterized in that the reservoir is made of a material which is treated at least on an exterior face.
EP96401168A 1995-06-06 1996-05-31 Applicator unit for nail varnish Expired - Lifetime EP0746992B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9506658A FR2734997A1 (en) 1995-06-06 1995-06-06 NAIL POLISH APPLICATOR SET, LIPSTICK
FR9506658 1995-06-06

Publications (2)

Publication Number Publication Date
EP0746992A1 EP0746992A1 (en) 1996-12-11
EP0746992B1 true EP0746992B1 (en) 2001-04-25

Family

ID=9479669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96401168A Expired - Lifetime EP0746992B1 (en) 1995-06-06 1996-05-31 Applicator unit for nail varnish

Country Status (10)

Country Link
US (3) US6257788B1 (en)
EP (1) EP0746992B1 (en)
JP (1) JP2910988B2 (en)
CN (1) CN1106180C (en)
AR (1) AR002309A1 (en)
BR (1) BR9601790A (en)
CA (1) CA2178279C (en)
DE (1) DE69612586T2 (en)
ES (1) ES2158257T3 (en)
FR (1) FR2734997A1 (en)

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US7922410B2 (en) 2005-02-18 2011-04-12 L'oreal Applicator and a packaging and applicator device

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US7223035B1 (en) * 2005-12-16 2007-05-29 Access Business Group International Llc Device for containing and applying cosmetics
CA2688582C (en) * 2007-05-31 2015-03-31 Yoshino Kogyosho Co., Ltd. Synthetic resin bottle and process for molding the same
FR2919478B1 (en) * 2007-08-03 2010-10-15 Bourjois COSMETIC PRODUCT DEVICE COMPRISING A TANK AND AN APPLICATOR
ITTO20120109A1 (en) 2012-02-09 2012-05-10 Bisio Progetti Spa BRUSH FOR PERFECT NAILS.
ITTO20120110A1 (en) * 2012-02-09 2012-05-10 Bisio Progetti Spa LID CONNECTION SYSTEM.
FR3054437B1 (en) * 2016-07-28 2018-09-07 Lvmh Recherche COSMETIC PRODUCT FOR LIQUIDS IN THE FORM OF A WATER-IN-OIL EMULSION AND METHOD OF MAKE-UP
CN108497679A (en) * 2017-10-10 2018-09-07 金华知产婺源信息技术有限公司 A kind of pressing Packaging Bottle of cosmetics
JP6627072B1 (en) * 2018-10-18 2020-01-08 株式会社トキワ Application container

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US7922410B2 (en) 2005-02-18 2011-04-12 L'oreal Applicator and a packaging and applicator device

Also Published As

Publication number Publication date
US6257788B1 (en) 2001-07-10
CN1106180C (en) 2003-04-23
JPH08332112A (en) 1996-12-17
AR002309A1 (en) 1998-03-11
BR9601790A (en) 1998-04-07
US20010031169A1 (en) 2001-10-18
US20020090249A1 (en) 2002-07-11
ES2158257T3 (en) 2001-09-01
DE69612586T2 (en) 2001-09-06
JP2910988B2 (en) 1999-06-23
CA2178279A1 (en) 1996-12-07
FR2734997A1 (en) 1996-12-13
CA2178279C (en) 2001-01-23
DE69612586D1 (en) 2001-05-31
CN1145762A (en) 1997-03-26
EP0746992A1 (en) 1996-12-11

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