EP0528707A1 - Package with two bottles for separately storing two products, in particular liquids, and to mix them together prior to use - Google Patents

Package with two bottles for separately storing two products, in particular liquids, and to mix them together prior to use Download PDF

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Publication number
EP0528707A1
EP0528707A1 EP92402094A EP92402094A EP0528707A1 EP 0528707 A1 EP0528707 A1 EP 0528707A1 EP 92402094 A EP92402094 A EP 92402094A EP 92402094 A EP92402094 A EP 92402094A EP 0528707 A1 EP0528707 A1 EP 0528707A1
Authority
EP
European Patent Office
Prior art keywords
bottle
neck
packaging according
intermediate piece
central chimney
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.)
Granted
Application number
EP92402094A
Other languages
German (de)
French (fr)
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EP0528707B1 (en
Inventor
Daniel Goyet
Fabrice Boe-Dreyfus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0528707A1 publication Critical patent/EP0528707A1/en
Application granted granted Critical
Publication of EP0528707B1 publication Critical patent/EP0528707B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3205—Separate rigid or semi-rigid containers joined to each other at their external surfaces
    • B65D81/3211—Separate rigid or semi-rigid containers joined to each other at their external surfaces coaxially and provided with means facilitating admixture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S215/00—Bottles and jars
    • Y10S215/08—Mixing

Definitions

  • US-A-4,823,946 shows a packaging of this type in which the two bottles are made of plastic.
  • the second bottle is closed, in the storage position, by a cap screwed onto its neck.
  • the cap of the second bottle is unscrewed and this second bottle is placed in the central chimney of the intermediate piece which has a thread suitable for cooperating with the thread of the neck of the second bottle which is used for screwing the cap.
  • the two-bottle packaging defined above is intended to be used for products, some of which do not keep well inside a plastic bottle.
  • the dye solution generally placed in the second bottle, does not keep well inside a plastic bottle of the polyethylene or polypropylene type because, the oxygen crosses the wall and oxidizes the dye before it is put in place on the hair.
  • the object of the invention is, above all, to provide a packaging of the kind defined above, the design of which is such that the second bottle, intended in particular to contain an oxidation dye for dyeing the hair, can be produced from another material. that plastic, in particular glass, without the structure of this packaging being opposed to such a choice of material.
  • the invention also aims to provide a packaging of the kind in question, the manufacture of which remains simple and as economical as possible, which allows storage in good conditions, in a small footprint, and which is of simple implementation. and fast.
  • a packaging with two bottles making it possible to store two products, in particular two liquids, separately from one another and to mix them at the time of their use, of the kind defined above, is characterized in that it comprises, between the neck of the second bottle and the central chimney, connection means, different from the above-mentioned connecting means, these connection means comprising a part provided on the neck of the second bottle and a conjugate part provided in the central chimney and arranged not to interfere with the part of the above connecting means provided on the neck of the second bottle.
  • connection means comprise, on the side of the neck of the second bottle, at least one stud projecting radially outwards and, on the side of the central chimney of the intermediate piece, to the monk a helical ramp suitable for cooperating with the nipple.
  • connection means comprise, on the side of the neck of the second bottle, at least one stud projecting radially outwards and, on the side of the central chimney of the intermediate piece, to the monk a helical ramp suitable for cooperating with the nipple.
  • two diametrically opposite pins are provided to which correspond two diametrically opposite helical ramps.
  • connection means are completely different from the connection means, the constraints imposed on the connection means for easy implementation (large axial displacement of the second bottle relative to the intermediate piece for a small angle rotation), are not imposed on the connecting means.
  • the connecting means between the stopper and the neck of the second bottle can be constituted by a thread, in particular with reduced pitch, while the helical ramp provided on the central chimney can have a pitch greater than that of the thread, the pitch of the helical ramp being such that the axial displacement of the neck of the second bottle, relative to the intermediate piece, necessary to drive out the shutter, is obtained in less than one turn.
  • the production of the nipple (s) on a glass bottle poses no particular problem.
  • the second bottle can be made of glass, which constitutes an effective barrier to the oxygen of the air, for its content.
  • first and second bottles can have an oval cross section because the strict positioning at the end of the stroke ensured by the helical ramp / nipple system allows good superimposition, at the end of the race, of the major axes of the oval sections. of the two bottles and therefore a satisfactory presentation.
  • the intermediate piece comprises, in its central chimney, a unscrewing brake capable of cooperating with the stud of the second bottle, this unscrewing brake being able to be constituted by a projection crossed by the stud at the end of screwing in the helical ramp.
  • the, or each stud, of the neck of the second bottle is provided on a cylindrical surface whose external diameter is substantially equal to the external diameter of the stopper intended to close this second bottle during storage, while the internal diameter of the central chimney of the intermediate piece is sufficient to allow the entry of said cylindrical seat and therefore of the plug.
  • the packaging can be arranged so that the stopper of the second bottle, during storage, can sink completely into the central chimney of the intermediate piece.
  • the packaging is carried out in one-piece form, the second bottle, the neck of which is engaged in the intermediate piece, being connected to the upper bottle or to the intermediate piece, in particular by a warranty strip.
  • the intermediate piece may include a skirt, the lower part of which fits onto the second bottle at the end of the connection, with a possible snap-fitting, so as to constitute a brake against unscrewing, after implementation.
  • the intermediate piece may include a hollow part in the shape of a groove or annular bowl suitable for receiving the skirt located at the base of the first bottle, the seal between the intermediate piece and the skirt being formed against the interior surface of the skirt.
  • the skirt of the first bottle may include a clean external bead which snaps under at least one shoulder provided on the internal face of the external wall of the annular groove of the intermediate piece. Several angularly separated shoulders, extending over a part of the circumference, can be provided on this intermediate piece, which has a window below each shoulder to facilitate molding and demolding.
  • Figure 1 of these drawings is a front view of the packaging with two bottles, the second bottle being engaged in the intermediate piece.
  • Figure 2 is a top view with respect to Figure 1.
  • Figure 3 is an exploded view of the packaging of Figure 1.
  • Figure 4 is a section, on a larger scale, of the lower part of the first bottle, the intermediate piece, and the upper part of the second bottle, in the storage position.
  • Figure 5 illustrates, similarly to Figure 4, the packaging while the cap has been removed from the neck of the second bottle and the nipples carried by this neck begin to engage in the helical ramps of the intermediate piece.
  • Figure 6 finally, shows, similarly to Figure 4, the end of the assembly of the second bottle and the intermediate piece for the implementation of the mixture, the shutter of the intermediate piece having been driven.
  • FIGS. 1 to 3 one can see a package C with two bottles 1, 2 making it possible to store two products, generally two liquid products, separately from one another and to mix them at the same time. of their use.
  • the first bottle 1 is intended to contain a first liquid product, for example an oxidant intended to be mixed, at the time of use, with an oxidation dye, contained in the second bottle 2, for dyeing the hair.
  • a first liquid product for example an oxidant intended to be mixed, at the time of use, with an oxidation dye, contained in the second bottle 2, for dyeing the hair.
  • the bottle 1 is open at its base constituted by a cylindrical skirt 3 with circular section, of relatively reduced diameter.
  • the skirt 3 is connected to the wall of the major part of the bottle 1 by a flaring 4.
  • the skirt 3 is provided, near its lower edge, on its outer surface, with a circular bead 5 projecting radially.
  • the bottle 1 is provided with a threaded tube 6 onto which a closed dispensing tip 7 can be tightly screwed, and the tip of which can be broken for creation of an opening when use, in order to pour the product.
  • This piece 8 made of plastic, has a central chimney 9, of substantially cylindrical shape with circular section, suitable for receiving in the upper part a shutter 10, formed by a sort of cup engaged in a sealed manner, on the upper end of the chimney 9.
  • the shutter can be separated from the chimney 9 under the action of a thrust exerted on this shutter 10, in the direction of the bottle 1, into which the shutter 10 thus separated will penetrate.
  • the chimney 9, as visible in FIG. 4, enters the skirt 3 and is in leaktight contact with the interior surface of this skirt 3.
  • This sealing can be produced at the level of a peripheral ring 11 projecting from the exterior surface of the chimney 9 and coming into contact with the internal surface of the skirt 3.
  • the cylindrical lower part 12 of this skirt 3 can also come into sealing abutment against a zone 13 of the external surface of the chimney 9 situated towards the base of this fireplace.
  • the intermediate piece 8 has an outer wall 14, the cross section of which has a shape similar to that of the cross section of the bottle 1. This shape is preferably oval, as can be seen in FIG. 2.
  • the connection between the chimney 9 and the outer wall 14 of the part 8 is provided by a hollow part 15, in the form of a groove or annular bowl 16 turning its concavity towards the bottle 1; the bottom wall 17 of the groove is connected to the end of the chimney 9 opposite the bottle 1.
  • the groove 16 is suitable for receiving the skirt 3 of the bottle 1, by establishing a mechanical connection.
  • This mechanical connection can be ensured, according to the exemplary embodiment of the drawing, using shoulders 18 projecting radially, towards the inside of the groove 16, on the internal surface of the outer wall 19 of this groove.
  • the shoulders 18 extend only over a fraction of the circumference and are separated from each other, being regularly distributed angularly. For example three shoulders 18 can be provided, the centers of these shoulders being angularly 120 ° apart.
  • the intermediate piece 8 comprises, at the right of each shoulder 18, a window 20 extending partly in the lower zone of the wall 19, and partly in the external zone of the wall 17.
  • This window 20 is limited above by a radial edge 21 located below the shoulder 18 and below by an edge 22, in the wall 17.
  • This arrangement allows the intermediate part 8 to be produced by molding by means of a mold, the two parts of which move upwards. and down.
  • the edge 22 may be slightly inside in the radial direction of the inner edge 23 of the bead 18.
  • the continuous peripheral bead 5 of the skirt 3 is able to snap under the shoulders 18.
  • the central fireplace 9 in room 8 is suitable for receiving, at the bottom, the neck 24 of the second bottle 2, which contains the dye.
  • the neck 24 is equipped, for storage, with a plug 25, for a tight closure.
  • Connection means L are provided between the neck 24 and the plug 25. These means consist of a thread 26 provided on the external cylindrical surface of the neck 24 and a conjugate thread 27 provided on the internal cylindrical surface of the plug 25, arranged under the shape of a kind of cylindrical cap. The pitch p of the thread 26 (and therefore of the thread 27) has a reduced value.
  • the outside diameter d of the plug 25 is slightly smaller than the inside diameter h of the lower part of the chimney 9 so that the plug 25 can be introduced into this chimney, as shown in FIG. 4.
  • Connection means J different from the connection means L, are provided between the central chimney 9 and the neck 24. These connection means J comprise a part provided on the neck 24, constituted by two diametrically opposed pins 28. It is clear that the number of nipples 28 can be less than or more than two.
  • connection means J also comprise a combined part of the pins 28, provided in the central chimney 9 and constituted by two helical ramps 29 capable of cooperating respectively with the pins 28.
  • the pitch of the ramps 29 is clearly greater than the pitch p of the thread 26.
  • the pitch of the helical ramps 29 is advantageously chosen so that the axial stroke of the neck 24, relative to the part 8, necessary to drive the shutter 10 is obtained for a rotation less than one turn of the neck 24 relative to Exhibit 8.
  • the internal cylindrical surface of the chimney 9 has a diameter h greater than the maximum external diameter of the thread 26 so that the helical ramps 29 cannot interfere with the thread 26 when the neck 24, released from its plug 25, is introduced into the chimney 9.
  • the pins 28 are provided on a cylindrical surface 30 projecting radially from the neck, and the outside diameter of which is substantially equal to the outside diameter d of the plug 25.
  • This cylindrical seat 30 can enter the central chimney 9.
  • the second bottle 2 is advantageously made of glass so as to protect the dye contained in this bottle as much as possible from oxygen in the air.
  • the production of the glass bottle 2 poses no problems; the thread 26, to be produced in glass, has a reduced pitch allowing satisfactory sealing with the plug 25, sealing which would not be satisfied by a larger pitch such as that of the ramps 29.
  • the production, on a glass bottle, nipples 28 also do not pose problems.
  • pins 28 and helical ramps 29 ensures a precise angular position of the bottle 2 relative to the part 8, at the end of assembly of the pins 28 and the ramps 29. Under these conditions, it is advantageous to give the bottle 1, to the outer wall 14 of the part 8 and to the bottle 2, a shape with an oval cross section, visible in FIG. 2, because the precise positioning provided by the various assemblies will allow the large dimensions of the sections to be superimposed under good conditions cross bottle 1, part 8 and bottle 2.
  • the intermediate piece 8 may comprise a loosening brake advantageously constituted by a projection s provided towards the upper end of each helical ramp 29.
  • This projection s is intended to be crossed by the corresponding stud 28, at the end of screwing, the crossing being ensured by elastic deformation.
  • the stud 28 has crossed the projection (see FIG. 5), the latter blocks the stud and thus opposes unscrewing of the bottle 2 relative to the part 8.
  • the outer wall 14 of the part 8 constitutes a skirt, the lower part of which covers the second bottle 2 at the end of the connection.
  • a click, signaling by a slight noise the end of the travel of the bottle 2 and the release of the shutter 10 can be provided between the lower part of this skirt 14 and the bottle 2 and constitutes in addition an additional brake against unscrewing.
  • the plug 25 has at its lower part a flange 31 projecting radially outwards and limiting the entry of this plug 25 into the chimney 9 , for the storage position.
  • the shutter 10 is placed in place on the upper end of the chimney 9.
  • the skirt 3 of the bottle 1 is then snapped into the annular groove 16 of the part 8.
  • the lower part of the bottle 1 is thus sealed.
  • the tubing 6 of this bottle 1 is not yet provided with its dispensing tip.
  • the bottle 1 is then filled, for example with the oxidizing liquid product, in the case where the packaging is intended for an oxidation dye.
  • the bottle 1 is then closed with the dispensing nozzle 7, the tip of which is not cut.
  • the glass bottle 2 is filled with its liquid product, the dye in the example considered, then is closed in a leaktight manner by the stopper 25 which is screwed onto the neck 24.
  • bottles 1 and 2 can be stored separately.
  • the plug 25, fixed on the neck 24, is engaged in the lower part of the chimney 9 as illustrated in FIG. 4.
  • the operator introduces the neck 24, free from its plug, into the chimney 9 and pushes the neck axially by rotating it until the pins 28 come into engagement with the base of the helical ramps 29.
  • the upper part of the neck 24 drives out the shutter 10 and therefore opens the bottle 1.
  • the upper cylindrical edge 24 a of the neck 24 has come to bear against the internal surface of upper end of the chimney 9 as illustrated in FIG. 6.
  • the pins 28 are stopped in their end of screwing position by the screwing brakes s provided in the ramps 29.
  • the operator after having agitated the assembly of bottles to favor the mixing between the two liquids, can proceed to the opening of the dispensing nozzle 7 in order to pour this mixture.
  • the bottle 2 remains tightly assembled to the bottle 1 during the application of the product.
  • the packaging of the invention is therefore simple and rapid to use, while making it possible to produce the bottle 2 in glass, that is to say in a material effectively protecting the dye against oxidation during storage. .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Specialized In Special Use (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The packaging comprises a first bottle (1) open at the base to form a skirt (3), and fitted at the top with a distributor fitting (7); an intermediate component (8) affixed to the base of the first bottle with a central duct (9) admitting a separable plug (10); a second bottle (2) with a neck (24) admitted in the aforesaid central duct (9), the neck being fitted with a cap (25) for storage purposes. Linking means (L) are provided between the neck (24) and the cap (25). The packaging comprises between the neck ()24) and the central duct (25) connecting elements (J) differing from the aforesaid linking elements (L), with a part (28) on the neck (24) and on the central duct (9) an associated part (29) arranged so as not to interfere with the part (26) of the aforesaid linking means (L) located on the neck (24).

Description

L'invention est relative à un conditionnement, à deux flacons permettant de stocker séparément l'un de l'autre deux produits, notamment liquides, et de les mélanger au moment de leur utilisation, ce conditionnement étant du genre de ceux qui comprennent :

  • un premier flacon destiné à contenir un premier produit, ce flacon étant ouvert à sa base en forme de jupe et étant muni, au sommet, d'un embout de distribution ;
  • une pièce intermédiaire fixée sur la base du premier flacon comportant une cheminée centrale propre à recevoir, en partie haute un obturateur séparable permettant une fermeture du premier flacon ;
  • un deuxième flacon, destiné à contenir un deuxième produit, muni d'un goulot propre à être engagé dans la susdite cheminée centrale, ce goulot étant équipé d'un bouchon pour le stockage, des moyens de liaison, en particulier du type filetage, étant prévus entre le goulot et le bouchon,

   l'ensemble étant tel que lorsque le bouchon a été retiré du deuxième flacon, le goulot de ce dernier peut chasser l'obturateur pour permettre le mélange des deux produits.The invention relates to a packaging, with two bottles making it possible to store two products, in particular liquids, separately from one another and to mix them at the time of their use, this packaging being of the type of those which include:
  • a first bottle intended to contain a first product, this bottle being open at its base in the form of a skirt and being provided, at the top, with a dispensing nozzle;
  • an intermediate piece fixed on the base of the first bottle comprising a central chimney suitable for receiving, in the upper part a separable shutter allowing the first bottle to be closed;
  • a second bottle, intended to contain a second product, provided with a neck suitable for being engaged in the aforesaid central chimney, this neck being equipped with a stopper for storage, connection means, in particular of the threading type, being provided between the neck and the cap,

the assembly being such that when the cap has been removed from the second bottle, the neck of the latter can drive the shutter to allow the mixing of the two products.

US-A-4 823 946 montre un conditionnement de ce type dans lequel les deux flacons sont réalisés en matière plastique. Le deuxième flacon est fermé, en position de stockage, par un bouchon vissé sur son goulot. Pour la mise en oeuvre et le mélange du contenu des deux flacons, on dévisse le bouchon du deuxième flacon et on met en place ce deuxième flacon dans la cheminée centrale de la pièce intermédiaire qui comporte un filetage propre à coopérer avec le filetage du goulot du deuxième flacon qui sert au vissage du bouchon.US-A-4,823,946 shows a packaging of this type in which the two bottles are made of plastic. The second bottle is closed, in the storage position, by a cap screwed onto its neck. For the implementation and mixing of the contents of the two bottles, the cap of the second bottle is unscrewed and this second bottle is placed in the central chimney of the intermediate piece which has a thread suitable for cooperating with the thread of the neck of the second bottle which is used for screwing the cap.

Pour un conditionnement double de ce type, il est pratiquement impératif, pour qu'il soit bien accepté par la clientèle, que la mise en place du deuxième flacon dans la pièce intermédiaire, pour l'éjection de l'obturateur, s'effectue par une rotation correspondant à un nombre de tours réduit, et de préférence à moins d'un tour.For a double packaging of this type, it is practically imperative, for it to be well accepted by the customers, that the placing of the second bottle in the intermediate piece, for the ejection of the shutter, be carried out by a rotation corresponding to a reduced number of revolutions, and preferably less than one revolution.

Du fait que selon US-A-4 823 946 le filetage prévu sur le goulot du deuxième flacon sert à la fois au vissage du bouchon lors du stockage, et à la coopération avec la pièce intermédiaire, il convient d'adopter pour ce filetage un pas d'hélice relativement important pour que, lors de la mise en oeuvre, un grand déplacement axial du goulot relativement à la pièce intermédiaire, soit obtenu avec un faible angle de rotation.Because according to US-A-4 823 946 the thread provided on the neck of the second bottle is used both for screwing the cap during storage, and for cooperation with the intermediate piece, it is appropriate to adopt for this thread no relatively large propeller so that, during implementation, a large axial displacement of the neck relative to the intermediate piece, is obtained with a small angle of rotation.

L'obligation d'avoir un grand pas pour le filetage du goulot du deuxième flacon impose, pratiquement, de réaliser ce deuxième flacon en matière plastique car, sur un flaconnage en verre, il est quasiment impossible de prévoir un filetage ayant un pas important et assurant en même temps une étanchéité satisfaisante , en raison des conditions particulières de fabrication de tels flaconnages en verre.The obligation to have a big step for the threading of the neck of the second bottle imposes, practically, to make this second plastic bottle because, on a glass vial, it is almost impossible to provide a thread having a large pitch and ensuring at the same time a satisfactory seal, due to the special conditions of manufacture of such glass bottles.

Or, le conditionnement à deux flacons défini précédemment est appelé à servir pour des produits dont certains se conservent mal à l'intérieur d'un flacon en matière plastique.However, the two-bottle packaging defined above is intended to be used for products, some of which do not keep well inside a plastic bottle.

C'est le cas, notamment, lorsqu'il s'agit de conditionner d'une part une solution de colorant destinée à une teinture pour cheveux et, d'autre part, l'oxydant qui est nécessaire à la mise en oeuvre de la solution de colorant ; pour teindre les cheveux avec des "colorants d'oxydation", il faut en effet faire développer le colorant sur le cheveu en ajoutant un oxydant, par exemple de l'eau oxygénée, sur le colorant au moment où il est mis en place sur les cheveux. La présentation en double flaconnage est donc extrêmement importante en raison de l'ampleur du marché de la coloration des cheveux.This is the case, in particular, when it comes to conditioning on the one hand a dye solution intended for a hair dye and, on the other hand, the oxidant which is necessary for the implementation of the dye solution; to dye hair with "oxidation dyes", it is indeed necessary to develop the dye on the hair by adding an oxidant, for example hydrogen peroxide, on the dye when it is put in place on the hair. The presentation in double bottles is therefore extremely important because of the size of the hair coloring market.

La solution de colorant, généralement placée dans le deuxième flacon, se conserve mal à l'intérieur d'un flacon en matière plastique du type polyéthylène ou polypropylène car, l'oxygène traverse la paroi et vient oxyder le colorant avant qu'il soit mis en place sur le cheveu.The dye solution, generally placed in the second bottle, does not keep well inside a plastic bottle of the polyethylene or polypropylene type because, the oxygen crosses the wall and oxidizes the dye before it is put in place on the hair.

L'invention a pour but, surtout, de fournir un conditionnement du genre défini précédemment dont la conception soit telle que le deuxième flacon, destiné en particulier à contenir un colorant d'oxydation pour la teinture des cheveux, puisse être réalisé en une matière autre que la matière plastique, notamment en verre, sans que la structure de ce conditionnement s'oppose à un tel choix de matière.The object of the invention is, above all, to provide a packaging of the kind defined above, the design of which is such that the second bottle, intended in particular to contain an oxidation dye for dyeing the hair, can be produced from another material. that plastic, in particular glass, without the structure of this packaging being opposed to such a choice of material.

L'invention a également pour but de fournir un conditionnement du genre en question dont la fabrication reste simple et aussi économique que possible, qui permet un stockage dans de bonnes conditions, sous un encombrement réduit, et qui soit d'une mise en oeuvre simple et rapide.The invention also aims to provide a packaging of the kind in question, the manufacture of which remains simple and as economical as possible, which allows storage in good conditions, in a small footprint, and which is of simple implementation. and fast.

Selon l'invention, un conditionnement à deux flacons permettant de stocker séparément l'un de l'autre deux produits, notamment deux liquides, et de les mélanger au moment de leur utilisation, du genre défini précédemment, est caractérisé par le fait qu'il comporte, entre le goulot du deuxième flacon et la cheminée centrale, des moyens de connexion, différents des susdits moyens de liaison, ces moyens de connexion comprenant une partie prévue sur le goulot du deuxième flacon et une partie conjuguée prévue dans la cheminée centrale et agencée pour ne pas interférer avec la partie des susdits moyens de liaison prévue sur le goulot du deuxième flacon.According to the invention, a packaging with two bottles making it possible to store two products, in particular two liquids, separately from one another and to mix them at the time of their use, of the kind defined above, is characterized in that it comprises, between the neck of the second bottle and the central chimney, connection means, different from the above-mentioned connecting means, these connection means comprising a part provided on the neck of the second bottle and a conjugate part provided in the central chimney and arranged not to interfere with the part of the above connecting means provided on the neck of the second bottle.

De préférence, les moyens de connexion comprennent, du côté du goulot du deuxième flacon, au moins un téton en saillie radialement vers l'extérieur et, du côté de la cheminée centrale de la pièce intermédiaire, au moine une rampe hélicoïdale propre à coopérer avec le téton. Généralement deux tétons diamétralement opposés sont prévus auxquels correspondent deux rampes hélicoïdales diamétralement opposées.Preferably, the connection means comprise, on the side of the neck of the second bottle, at least one stud projecting radially outwards and, on the side of the central chimney of the intermediate piece, to the monk a helical ramp suitable for cooperating with the nipple. Generally two diametrically opposite pins are provided to which correspond two diametrically opposite helical ramps.

Du fait que, selon l'invention, les moyens de connexion sont totalement différents des moyens de liaison, les contraintes imposées aux moyens de connexion pour une mise en oeuvre facile (important déplacement axial du deuxième flacon relativement à la pièce intermédiaire pour un faible angle de rotation), ne sont pas imposées aux moyens de liaison.Because, according to the invention, the connection means are completely different from the connection means, the constraints imposed on the connection means for easy implementation (large axial displacement of the second bottle relative to the intermediate piece for a small angle rotation), are not imposed on the connecting means.

Ainsi, les moyens de liaison entre le bouchon et le goulot du deuxième flacon peuvent être constitués par un filetage, en particulier à pas réduit, tandis que la rampe hélicoïdale prévue sur la cheminée centrale peut avoir un pas supérieur à celui du filetage, le pas de la rampe hélicoïdale étant tel que le déplacement axial du goulot du deuxième flacon, relativement à la pièce intermédiaire, nécessaire pour chasser l'obturateur, est obtenu en moins d'un tour.Thus, the connecting means between the stopper and the neck of the second bottle can be constituted by a thread, in particular with reduced pitch, while the helical ramp provided on the central chimney can have a pitch greater than that of the thread, the pitch of the helical ramp being such that the axial displacement of the neck of the second bottle, relative to the intermediate piece, necessary to drive out the shutter, is obtained in less than one turn.

La réalisation du ou des tétons sur un flacon en verre ne pose pas de problème particulier. De la sorte, le deuxième flacon peut être réalisé en verre, qui constitue une barrière efficace à l'oxygène de l'air, pour son contenu.The production of the nipple (s) on a glass bottle poses no particular problem. In this way, the second bottle can be made of glass, which constitutes an effective barrier to the oxygen of the air, for its content.

La coopération d'une rampe hélicoïdale, prévue sur la pièce intermédiaire, et d'un téton prévu sur le goulot du deuxième flacon, permet d'assurer un positionnement précis en fin de course du deuxième flacon relativement à la pièce intermédiaire. Dans ces conditions, le premier et le deuxième flacons peuvent avoir une section transversale de forme ovale car le positionnement strict en fin de course assuré par le système rampe hélicoïdale / téton permet une bonne superposition, en fin de course, des grands axes des sections ovales des deux flacons et donc une présentation satisfaisante.The cooperation of a helical ramp, provided on the intermediate piece, and a stud provided on the neck of the second bottle, ensures a precise positioning at the end of travel of the second bottle relative to the intermediate piece. Under these conditions, the first and second bottles can have an oval cross section because the strict positioning at the end of the stroke ensured by the helical ramp / nipple system allows good superimposition, at the end of the race, of the major axes of the oval sections. of the two bottles and therefore a satisfactory presentation.

Avantageusement, la pièce intermédiaire comporte, dans sa cheminée centrale, un frein de dévissage propre à coopérer avec le téton du deuxième flacon, ce frein de dévissage pouvant être constitué par une saillie franchie par le téton en fin de vissage dans la rampe hélicoïdale.Advantageously, the intermediate piece comprises, in its central chimney, a unscrewing brake capable of cooperating with the stud of the second bottle, this unscrewing brake being able to be constituted by a projection crossed by the stud at the end of screwing in the helical ramp.

De préférence le, ou chaque téton, du goulot du deuxième flacon est prévu sur une portée cylindrique dont le diamètre extérieur est sensiblement égal au diamètre extérieur du bouchon destiné à fermer ce deuxième flacon pendant le stockage, tandis que le diamètre interne de la cheminée centrale de la pièce intermédiaire est suffisant pour permettre l'entrée de ladite portée cylindrique et donc du bouchon.Preferably the, or each stud, of the neck of the second bottle is provided on a cylindrical surface whose external diameter is substantially equal to the external diameter of the stopper intended to close this second bottle during storage, while the internal diameter of the central chimney of the intermediate piece is sufficient to allow the entry of said cylindrical seat and therefore of the plug.

En position de stockage, il est possible d'engager le goulot du deuxième flacon, muni du bouchon, dans la cheminée centrale de la pièce intermédiaire, ce qui réduit l'encombrement. Le conditionnement peut être agencé de manière que le bouchon du deuxième flacon, lors du stockage, puisse s'enfoncer complètement dans la cheminée centrale de la pièce intermédiaire.In the storage position, it is possible to engage the neck of the second bottle, fitted with the cap, in the central chimney of the intermediate piece, which reduces the bulk. The packaging can be arranged so that the stopper of the second bottle, during storage, can sink completely into the central chimney of the intermediate piece.

Avantageusement, en position de stockage, le conditionnement est réalisé sous forme monobloc, le deuxième flacon, dont le goulot est engagé dans la pièce intermédiaire, étant relié au flacon supérieur ou à la pièce intermédiaire, en particulier par une bande de garantie.Advantageously, in the storage position, the packaging is carried out in one-piece form, the second bottle, the neck of which is engaged in the intermediate piece, being connected to the upper bottle or to the intermediate piece, in particular by a warranty strip.

La pièce intermédiaire peut comporter une jupe dont la partie inférieure vient s'emboîter sur le deuxième flacon en fin de connexion, avec un encliquetage éventuel, de manière à constituer un frein à l'encontre du dévissage, après la mise en oeuvre.The intermediate piece may include a skirt, the lower part of which fits onto the second bottle at the end of the connection, with a possible snap-fitting, so as to constitute a brake against unscrewing, after implementation.

La pièce intermédiaire peut comporter une partie creuse en forme de gorge ou cuvette annulaire propre à recevoir la jupe située à la base du premier flacon, l'étanchéité entre la pièce intermédiaire et la jupe étant réalisée contre la surface intérieure de la jupe.The intermediate piece may include a hollow part in the shape of a groove or annular bowl suitable for receiving the skirt located at the base of the first bottle, the seal between the intermediate piece and the skirt being formed against the interior surface of the skirt.

La jupe du premier flacon peut comporter un bourrelet extérieur propre à venir s'encliqueter sous au moins un épaulement prévu sur la face interne de ta paroi extérieure de la gorge annulaire de la pièce intermédiaire. Plusieurs épaulements séparés angulairement, s'étendant sur une partie de circonférence, peuvent être prévus sur cette pièce intermédiaire, laquelle comporte une fenêtre au-dessous de chaque épaulement pour faciliter le moulage et le démoulage.The skirt of the first bottle may include a clean external bead which snaps under at least one shoulder provided on the internal face of the external wall of the annular groove of the intermediate piece. Several angularly separated shoulders, extending over a part of the circumference, can be provided on this intermediate piece, which has a window below each shoulder to facilitate molding and demolding.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions dont il sera plus explicitement question ci-après à propos d'un exemple de réalisation décrit avec références aux dessins ci-annexés, mais qui n'est nullement limitatif.The invention consists, apart from the arrangements set out above, of a certain number of other arrangements which will be more explicitly discussed below in connection with an exemplary embodiment described with reference to the attached drawings, but which is by no means limiting.

La figure 1, de ces dessins, est une vue de face du conditionnement à deux flacons, le deuxième flacon étant engagé dans la pièce intermédiaire.Figure 1 of these drawings is a front view of the packaging with two bottles, the second bottle being engaged in the intermediate piece.

La figure 2 est une vue de dessus par rapport à la figure 1.Figure 2 is a top view with respect to Figure 1.

La figure 3 est une vue éclatée du conditionnement de la figure 1.Figure 3 is an exploded view of the packaging of Figure 1.

La figure 4 est une coupe, à plus grande échelle, de la partie inférieure du premier flacon, de la pièce intermédiaire, et de la partie supérieure du deuxième flacon, en position de stockage.Figure 4 is a section, on a larger scale, of the lower part of the first bottle, the intermediate piece, and the upper part of the second bottle, in the storage position.

La figure 5 illustre, semblablement à la figure 4, le conditionnement alors que le bouchon a été retiré du goulot du deuxième flacon et que les tétons portés par ce goulot commencent à s'engager dans les rampes hélicoïdales de la pièce intermédiaire.Figure 5 illustrates, similarly to Figure 4, the packaging while the cap has been removed from the neck of the second bottle and the nipples carried by this neck begin to engage in the helical ramps of the intermediate piece.

La figure 6, enfin, montre, semblablement à la figure 4, la fin de l'assemblage du deuxième flacon et de la pièce intermédiaire pour la mise en oeuvre du mélange, l'obturateur de la pièce intermédiaire ayant été chassé.Figure 6, finally, shows, similarly to Figure 4, the end of the assembly of the second bottle and the intermediate piece for the implementation of the mixture, the shutter of the intermediate piece having been driven.

En se reportant aux dessins, notamment aux figures 1 à 3, on peut voir un conditionnement C à deux flacons 1, 2 permettant de stocker séparément l'un de l'autre deux produits, généralement deux produits liquides, et de les mélanger au moment de leur utilisation.Referring to the drawings, in particular to FIGS. 1 to 3, one can see a package C with two bottles 1, 2 making it possible to store two products, generally two liquid products, separately from one another and to mix them at the same time. of their use.

Le premier flacon 1 est destiné à contenir un premier produit liquide , par exemple un oxydant destiné à être mélangé, au moment de l'utilisation, avec un colorant d'oxydation, contenu dans le deuxième flacon 2, pour la teinture des cheveux.The first bottle 1 is intended to contain a first liquid product, for example an oxidant intended to be mixed, at the time of use, with an oxidation dye, contained in the second bottle 2, for dyeing the hair.

Le flacon 1 est ouvert à sa base constituée par une jupe 3 cylindrique à section circulaire, de diamètre relativement réduit. La jupe 3 se raccorde à la paroi de la majeure partie du flacon 1 par un évasement 4. La jupe 3 est munie, au voisinage de son bord inférieur, sur sa surface extérieure, d'un bourrelet circulaire 5 en saillie radiale. A son sommet, situé à l'extrémité opposée à la jupe 3, le flacon 1 est muni d'une tubulure 6 filetée sur laquelle peut être vissé de manière étanche un embout de distribution 7 fermé, et dont la pointe peut être cassée pour la création d'une ouverture au moment de l'utilisation, en vue de verser le produit.The bottle 1 is open at its base constituted by a cylindrical skirt 3 with circular section, of relatively reduced diameter. The skirt 3 is connected to the wall of the major part of the bottle 1 by a flaring 4. The skirt 3 is provided, near its lower edge, on its outer surface, with a circular bead 5 projecting radially. At its top, located at the end opposite the skirt 3, the bottle 1 is provided with a threaded tube 6 onto which a closed dispensing tip 7 can be tightly screwed, and the tip of which can be broken for creation of an opening when use, in order to pour the product.

Une pièce intermédiaire 8, constituant une sorte de frette, est fixée sur la base 3 du flacon 1. Cette pièce 8 réalisée en matière plastique, comporte une cheminée centrale 9, de forme sensiblement cylindrique à section circulaire, propre à recevoir en partie haute un obturateur 10, formé par une sorte de coupelle engagée de manière étanche, sur l'extrémité supérieure de la cheminée 9. L'obturateur peut être séparé de la cheminée 9 sous l'action d'une poussée exercée sur cet obturateur 10, en direction du flacon 1, dans lequel pénétrera l'obturateur 10 ainsi séparé. La cheminée 9, comme visible sur la figure 4, entre dans la jupe 3 et est en contact étanche avec la surface intérieure de cette jupe 3. Cette étanchéité peut être réalisée au niveau d'un jonc périphérique 11 en saillie sur la surface extérieure de la cheminée 9 et venant au contact de la surface interne de la jupe 3. La partie inférieure 12 cylindrique de cette jupe 3 peut en outre venir en appui étanche contre une zone 13 de la surface extérieure de la cheminée 9 située vers la base de cette cheminée.An intermediate piece 8, constituting a kind of hoop, is fixed on the base 3 of the bottle 1. This piece 8 made of plastic, has a central chimney 9, of substantially cylindrical shape with circular section, suitable for receiving in the upper part a shutter 10, formed by a sort of cup engaged in a sealed manner, on the upper end of the chimney 9. The shutter can be separated from the chimney 9 under the action of a thrust exerted on this shutter 10, in the direction of the bottle 1, into which the shutter 10 thus separated will penetrate. The chimney 9, as visible in FIG. 4, enters the skirt 3 and is in leaktight contact with the interior surface of this skirt 3. This sealing can be produced at the level of a peripheral ring 11 projecting from the exterior surface of the chimney 9 and coming into contact with the internal surface of the skirt 3. The cylindrical lower part 12 of this skirt 3 can also come into sealing abutment against a zone 13 of the external surface of the chimney 9 situated towards the base of this fireplace.

La pièce intermédiaire 8 comporte une paroi extérieure 14 dont la section transversale a une forme semblable à celle de la section transversale du flacon 1. Cette forme est de préférence ovale, comme visible sur la figure 2.The intermediate piece 8 has an outer wall 14, the cross section of which has a shape similar to that of the cross section of the bottle 1. This shape is preferably oval, as can be seen in FIG. 2.

La liaison entre la cheminée 9 et la paroi extérieure 14 de la pièce 8 est assurée par une partie creuse 15, en forme de gorge ou cuvette annulaire 16 tournant sa concavité vers le flacon 1 ; la paroi de fond 17 de la gorge se raccorde à l'extrémité de la cheminée 9 opposée au flacon 1. La gorge 16 est propre à recevoir la jupe 3 du flacon 1, en établissant une liaison mécanique.The connection between the chimney 9 and the outer wall 14 of the part 8 is provided by a hollow part 15, in the form of a groove or annular bowl 16 turning its concavity towards the bottle 1; the bottom wall 17 of the groove is connected to the end of the chimney 9 opposite the bottle 1. The groove 16 is suitable for receiving the skirt 3 of the bottle 1, by establishing a mechanical connection.

Cette liaison mécanique peut être assurée, selon l'exemple de réalisation du dessin, à l'aide d'épaulements 18 faisant saillie radialement, vers l'intérieur de la gorge 16, sur la surface interne de la paroi extérieure 19 de cette gorge. Les épaulements 18 ne s'étendent que sur une fraction de la circonférence et sont séparés les uns des autres, en étant répartis régulièrement angulairement. Par exemple trois épaulements 18 peuvent être prévus, les centres de ces épaulements étant distants angulairement de 120°.This mechanical connection can be ensured, according to the exemplary embodiment of the drawing, using shoulders 18 projecting radially, towards the inside of the groove 16, on the internal surface of the outer wall 19 of this groove. The shoulders 18 extend only over a fraction of the circumference and are separated from each other, being regularly distributed angularly. For example three shoulders 18 can be provided, the centers of these shoulders being angularly 120 ° apart.

La pièce intermédiaire 8 comporte, au droit de chaque épaulement 18, une fenêtre 20 s'étendant en partie dans la zone inférieure de la paroi 19, et en partie dans la zone extérieure de la paroi 17. Cette fenêtre 20 est limitée supérieurement par un bord radial 21 situé au-dessous de l'épaulement 18 et inférieurement par un bord 22, dans la paroi 17. Cette disposition permet de réaliser par moulage la pièce intermédiaire 8 au moyen d'un moule dont les deux parties se déplacent vers le haut et vers le bas. Le bord 22 peut être légèrement à l'intérieur dans le sens radial du bord intérieur 23 du bourrelet 18.The intermediate piece 8 comprises, at the right of each shoulder 18, a window 20 extending partly in the lower zone of the wall 19, and partly in the external zone of the wall 17. This window 20 is limited above by a radial edge 21 located below the shoulder 18 and below by an edge 22, in the wall 17. This arrangement allows the intermediate part 8 to be produced by molding by means of a mold, the two parts of which move upwards. and down. The edge 22 may be slightly inside in the radial direction of the inner edge 23 of the bead 18.

Le bourrelet périphérique 5 continu de la jupe 3 est propre à venir s'encliqueter sous les épaulements 18.The continuous peripheral bead 5 of the skirt 3 is able to snap under the shoulders 18.

Lorsque la pièce 8 munie de l'obturateur 10 (voir figure 4) a été assemblée à la jupe 3 du flacon 1, ce flacon est fermé de manière étanche à sa partie basse.When the part 8 provided with the shutter 10 (see FIG. 4) has been assembled to the skirt 3 of the bottle 1, this bottle is sealed in its lower part.

Il est clair que d'autres moyens pour assurer la liaison mécanique entre la jupe 3 et la pièce 8, et pour réaliser l'étanchéité, sont possibles. Le jonc périphérique 11 pourrait être supprimé dans la mesure où l'étanchéité réalisée au niveau de la partie 12 a une qualité suffisante.It is clear that other means for ensuring the mechanical connection between the skirt 3 and the part 8, and for sealing, are possible. The peripheral ring 11 could be omitted insofar as the seal produced at the level of the part 12 has sufficient quality.

La cheminée centrale 9 de la pièce 8 est propre à recevoir, en partie basse, le goulot 24 du deuxième flacon 2, qui contient le colorant.The central fireplace 9 in room 8 is suitable for receiving, at the bottom, the neck 24 of the second bottle 2, which contains the dye.

Le goulot 24 est équipé, pour le stockage, d'un bouchon 25, pour une fermeture étanche.The neck 24 is equipped, for storage, with a plug 25, for a tight closure.

Des moyens de liaison L sont prévus entre le goulot 24 et le bouchon 25. Ces moyens sont constitués par un filetage 26 prévu sur la surface cylindrique extérieure du goulot 24 et un filetage conjugué 27 prévu sur la surface cylindrique interne du bouchon 25, agencé sous la forme d'une sorte de capuchon cylindrique. Le pas p du filetage 26 (et donc du filetage 27) a une valeur réduite.Connection means L are provided between the neck 24 and the plug 25. These means consist of a thread 26 provided on the external cylindrical surface of the neck 24 and a conjugate thread 27 provided on the internal cylindrical surface of the plug 25, arranged under the shape of a kind of cylindrical cap. The pitch p of the thread 26 (and therefore of the thread 27) has a reduced value.

Avantageusement, le diamètre extérieur d du bouchon 25 est légèrement inférieur au diamètre intérieur h de la partie basse de la cheminée 9 de sorte que le bouchon 25 peut être introduit dans cette cheminée, comme représenté sur la figure 4.Advantageously, the outside diameter d of the plug 25 is slightly smaller than the inside diameter h of the lower part of the chimney 9 so that the plug 25 can be introduced into this chimney, as shown in FIG. 4.

Des moyens de connexion J, différents des moyens de liaison L, sont prévus entre la cheminée centrale 9 et le goulot 24. Ces moyens de connexion J comprennent une partie prévue sur le goulot 24, constituée par deux tétons 28 diamétralement opposés. Il est clair que le nombre de tétons 28 peut être inférieur ou supérieur à deux.Connection means J, different from the connection means L, are provided between the central chimney 9 and the neck 24. These connection means J comprise a part provided on the neck 24, constituted by two diametrically opposed pins 28. It is clear that the number of nipples 28 can be less than or more than two.

Les moyens de connexion J comprennent en outre une partie conjuguée des tétons 28, prévue dans la cheminée centrale 9 et constituée par deux rampes hélicoïdales 29 propres à coopérer respectivement avec les tétons 28.The connection means J also comprise a combined part of the pins 28, provided in the central chimney 9 and constituted by two helical ramps 29 capable of cooperating respectively with the pins 28.

Le pas des rampes 29 est nettement supérieur au pas p du filetage 26.The pitch of the ramps 29 is clearly greater than the pitch p of the thread 26.

Le pas des rampes hélicoïdales 29 est avantageusement choisi de manière telle que la course axiale du goulot 24, relativement à la pièce 8, nécessaire pour chasser l'obturateur 10 est obtenue pour une rotation inférieure à un tour du goulot 24 relativement à la pièce 8.The pitch of the helical ramps 29 is advantageously chosen so that the axial stroke of the neck 24, relative to the part 8, necessary to drive the shutter 10 is obtained for a rotation less than one turn of the neck 24 relative to Exhibit 8.

La surface cylindrique intérieure de la cheminée 9 a un diamètre h supérieur au diamètre maximal extérieur du filetage 26 de telle sorte que les rampes hélicoïdales 29 ne pourront interférer avec le filetage 26 lorsque le goulot 24, libéré de son bouchon 25, sera introduit dans la cheminée 9.The internal cylindrical surface of the chimney 9 has a diameter h greater than the maximum external diameter of the thread 26 so that the helical ramps 29 cannot interfere with the thread 26 when the neck 24, released from its plug 25, is introduced into the chimney 9.

Les tétons 28 sont prévue sur une portée cylindrique 30 faisant saillie radialement sur le goulot, et dont le diamètre extérieur est sensiblement égal au diamètre extérieur d du bouchon 25.The pins 28 are provided on a cylindrical surface 30 projecting radially from the neck, and the outside diameter of which is substantially equal to the outside diameter d of the plug 25.

Cette portée cylindrique 30 peut entrer dans la cheminée centrale 9.This cylindrical seat 30 can enter the central chimney 9.

Le deuxième flacon 2 est avantageusement réalisé en verre de manière à protéger au maximum le colorant contenu dans ce flacon à l'égard de l'oxygène de l'air.The second bottle 2 is advantageously made of glass so as to protect the dye contained in this bottle as much as possible from oxygen in the air.

La réalisation du flacon 2 en verre ne pose pas de problèmes ; le filetage 26, à réaliser dans du verre, a un pas réduit permettant une étanchéité satisfaisante avec le bouchon 25, étanchéité qui ne serait pas satisfaite par un pas plus important tel que celui des rampes 29. La réalisation, sur un flacon en verre, des tétons 28 ne pose pas non plus de problèmes.The production of the glass bottle 2 poses no problems; the thread 26, to be produced in glass, has a reduced pitch allowing satisfactory sealing with the plug 25, sealing which would not be satisfied by a larger pitch such as that of the ramps 29. The production, on a glass bottle, nipples 28 also do not pose problems.

La combinaison des tétons 28 et des rampes hélicoïdales 29 permet d'assurer une position angulaire précise du flacon 2 relativement à la pièce 8, en fin d'assemblage des tétons 28 et des rampes 29. Dans ces conditions, on peut avantageusement donner au flacon 1, à la paroi extérieure 14 de la pièce 8 et au flacon 2, une forme avec section transversale ovale, visible sur la figure 2, car les positionnements précis assurés par les différents assemblages permettront de superposer dans de bonnes conditions les grandes dimensions des sections transversales du flacon 1, de la pièce 8 et du flacon 2.The combination of pins 28 and helical ramps 29 ensures a precise angular position of the bottle 2 relative to the part 8, at the end of assembly of the pins 28 and the ramps 29. Under these conditions, it is advantageous to give the bottle 1, to the outer wall 14 of the part 8 and to the bottle 2, a shape with an oval cross section, visible in FIG. 2, because the precise positioning provided by the various assemblies will allow the large dimensions of the sections to be superimposed under good conditions cross bottle 1, part 8 and bottle 2.

La pièce intermédiaire 8 peut comporter un frein de dévissage avantageusement constitué par une saillie s prévue vers l'extrémité supérieure de chaque rampe hélicoïdale 29. Cette saillie s est destinée à être franchie par le téton correspondant 28, en fin de vissage, le franchissement étant assuré par une déformation élastique. Lorsque le téton 28 a franchi la saillie (voir figure 5), cette dernière bloque le téton et s'oppose ainsi à un dévissage du flacon 2 relativement à la pièce 8.The intermediate piece 8 may comprise a loosening brake advantageously constituted by a projection s provided towards the upper end of each helical ramp 29. This projection s is intended to be crossed by the corresponding stud 28, at the end of screwing, the crossing being ensured by elastic deformation. When the stud 28 has crossed the projection (see FIG. 5), the latter blocks the stud and thus opposes unscrewing of the bottle 2 relative to the part 8.

La paroi extérieure 14 de la pièce 8 constitue une jupe dont la partie inférieure vient coiffer le deuxième flacon 2 en fin de connexion. Un encliquetage, signalant par un léger bruit la fin de la course du flacon 2 et le dégagement de l'obturateur 10 peut être prévu entre la partie inférieure de cette jupe 14 et le flacon 2 et constitue en plus un frein supplémentaire à l'encontre du dévissage.The outer wall 14 of the part 8 constitutes a skirt, the lower part of which covers the second bottle 2 at the end of the connection. A click, signaling by a slight noise the end of the travel of the bottle 2 and the release of the shutter 10 can be provided between the lower part of this skirt 14 and the bottle 2 and constitutes in addition an additional brake against unscrewing.

Dans l'exemple de réalisation illustré sur les dessins, comme visible notamment sur la figure 4, le bouchon 25 comporte à sa partie inférieure une collerette 31 faisant saillie radialement vers l'extérieur et limitant l'entrée de ce bouchon 25 dans la cheminée 9, pour la position de stockage.In the embodiment illustrated in the drawings, as visible in particular in FIG. 4, the plug 25 has at its lower part a flange 31 projecting radially outwards and limiting the entry of this plug 25 into the chimney 9 , for the storage position.

Il serait possible de prévoir un agencement du bouchon 25 et du goulot 24 tel que, lorsque le flacon 2 est fermé par le bouchon 25 pour le stockage, ce bouchon puisse être introduit plus avant dans la cheminée 9, par exemple jusqu'au niveau du coude 32 marquant le début d'un rétrécissement de la partie haute de la cheminée 9, partie qui reçoit l'obturateur 10. Ainsi, en position de stockage le bouchon 25 viendrait affleurer l'obturateur 10 et l'encombrement global du conditionnement serait minimal.It would be possible to provide an arrangement of the plug 25 and the neck 24 such that, when the bottle 2 is closed by the plug 25 for storage, this plug can be introduced further into the chimney 9, for example up to the level of the elbow 32 marking the beginning of a narrowing of the upper part of the chimney 9, part which receives the shutter 10. Thus, in the storage position the plug 25 would be flush with the shutter 10 and the overall size of the packaging would be minimal .

Ceci étant, le remplissage des flacons, leur stockage et leur mise en oeuvre s'effectuent de la manière suivante.That said, the filling of the bottles, their storage and their implementation are carried out as follows.

L'obturateur 10 est mie en place sur l'extrémité supérieure de la cheminée 9. La jupe 3 du flacon 1 est ensuite encliquetée dans la gorge annulaire 16 de la pièce 8. La partie inférieure du flacon 1 est ainsi fermée de manière étanche. La tubulure 6 de ce flacon 1 n'est pas encore munie de son embout de distribution. On procède alors au remplissage du flacon 1, par exemple avec le produit liquide oxydant, dans le cas où le conditionnement est destiné à un colorant d'oxydation. On ferme ensuite le flacon 1 avec l'embout de distribution 7 dont la pointe n'est pas coupée.The shutter 10 is placed in place on the upper end of the chimney 9. The skirt 3 of the bottle 1 is then snapped into the annular groove 16 of the part 8. The lower part of the bottle 1 is thus sealed. The tubing 6 of this bottle 1 is not yet provided with its dispensing tip. The bottle 1 is then filled, for example with the oxidizing liquid product, in the case where the packaging is intended for an oxidation dye. The bottle 1 is then closed with the dispensing nozzle 7, the tip of which is not cut.

Le flacon en verre 2 est rempli avec son produit liquide, le colorant dans l'exemple considéré, puis est fermé de manière étanche par le bouchon 25 qui est vissé sur le goulot 24.The glass bottle 2 is filled with its liquid product, the dye in the example considered, then is closed in a leaktight manner by the stopper 25 which is screwed onto the neck 24.

Le cas échéant, les flacons 1 et 2 peuvent être stockés séparément. De préférence, pour le stockage on engage le bouchon 25, fixé sur le goulot 24, dans la partie basse de la cheminée 9 comme illustré sur la figure 4.If necessary, bottles 1 and 2 can be stored separately. Preferably, for storage, the plug 25, fixed on the neck 24, is engaged in the lower part of the chimney 9 as illustrated in FIG. 4.

Au moment où un opérateur souhaite utiliser le conditionnement en mélangeant les deux liquides, il retire le flacon 2 de la pièce intermédiaire 8 et dévisse le bouchon 25.When an operator wishes to use the packaging by mixing the two liquids, he withdraws the bottle 2 from the intermediate piece 8 and unscrews the cap 25.

L'opérateur introduit le goulot 24, libre de son bouchon, dans la cheminée 9 et enfonce axialement le goulot en le faisant tourner jusqu'à ce que les tétons 28 viennent en prise avec la base des rampes hélicoïdales 29.The operator introduces the neck 24, free from its plug, into the chimney 9 and pushes the neck axially by rotating it until the pins 28 come into engagement with the base of the helical ramps 29.

Par un mouvement de rotation entre le flacon 2 et la pièce 8, l'opérateur assure la montée des tétons 28 dans les rampes 29 comme illustré par la figure 5.By a rotational movement between the bottle 2 and the part 8, the operator ensures the mounting of the pins 28 in the ramps 29 as illustrated in FIG. 5.

En fin de course vers le haut, la partie supérieure du goulot 24 chasse l'obturateur 10 et débouche donc le flacon 1. Entre temps, le bord cylindrique supérieur 24a du goulot 24 est venu en appui étanche contre la surface interne de l'extrémité supérieure de la cheminée 9 comme illustré sur la figure 6.At the end of the upward stroke, the upper part of the neck 24 drives out the shutter 10 and therefore opens the bottle 1. In the meantime, the upper cylindrical edge 24 a of the neck 24 has come to bear against the internal surface of upper end of the chimney 9 as illustrated in FIG. 6.

Les tétons 28 sont arrêtés dans leur position de fin de vissage par les freins de vissage s prévus dans les rampes 29.The pins 28 are stopped in their end of screwing position by the screwing brakes s provided in the ramps 29.

L'opérateur, après avoir agité l'assemblage de flacons pour favoriser le mélange entre les deux liquides, peut procéder à l'ouverture de l'embout de distribution 7 en vue de verser ce mélange.The operator, after having agitated the assembly of bottles to favor the mixing between the two liquids, can proceed to the opening of the dispensing nozzle 7 in order to pour this mixture.

Le flacon 2 reste assemblé de manière étanche au flacon 1 au cours de l'application du produit.The bottle 2 remains tightly assembled to the bottle 1 during the application of the product.

Le conditionnement de l'invention est donc d'une mise en oeuvre simple et rapide, tout en permettant de réaliser le flacon 2 en verre, c'est-à-dire en une matière protégeant efficacement le colorant contre l'oxydation lors du stockage.The packaging of the invention is therefore simple and rapid to use, while making it possible to produce the bottle 2 in glass, that is to say in a material effectively protecting the dye against oxidation during storage. .

Claims (16)

Conditionnement à deux flacons permettant de stocker séparément l'un de l'autre deux produits, notamment liquides, et de les mélanger au moment de leur utilisation, comprenant : - un premier flacon (1) destiné à contenir un premier produit, ce flacon étant ouvert à sa base en forme de jupe (3) et étant muni, au sommet, d'un embout (7) de distribution ; - une pièce intermédiaire (8) fixée sur la base du premier flacon comportant une cheminée centrale (9) propre à recevoir en partie haute un obturateur (10) séparable permettant une fermeture du premier flacon ; - un deuxième flacon, destiné à contenir un deuxième produit, muni d'un goulot (24) propre à être engagé dans la susdite cheminée centrale (9), ce goulot étant équipé d'un bouchon (25) pour le stockage, des moyens de liaison (L), en particulier du type filetage, étant prévus entre le goulot et le bouchon,    des moyens de connexion (J) étant prévus entre le goulot (24) du deuxième flacon et la cheminée centrale (9) et comprenant une partie (28) prévue sur le goulot (24) du deuxième flacon et une partie conjuguée (29) prévue dans la cheminée centrale (9), l'ensemble étant tel que lorsque le bouchon (25) a été retiré du deuxième flacon (2), le goulot (24) de ce dernier peut chasser l'obturateur (10) pour permettre le mélange des deux produits, caractérisé par le fait que les moyens de connexion (J) sont différents des susdits moyens de liaison (L) et que la partie conjuguée (29) prévue dans la cheminée centrale (9) est agencée pour ne pas interférer avec la partie (26) des susdits moyens de liaison (L) prévus sur le goulot (24) du deuxième flacon.Packaging in two bottles making it possible to store two products, especially liquids, separately from one another and to mix them when they are used, comprising: - A first bottle (1) intended to contain a first product, this bottle being open at its base in the form of a skirt (3) and being provided, at the top, with a dispensing tip (7); - An intermediate piece (8) fixed on the base of the first bottle comprising a central chimney (9) adapted to receive in the upper part a shutter (10) separable allowing a closure of the first bottle; - A second bottle, intended to contain a second product, provided with a neck (24) suitable for being engaged in the aforesaid central chimney (9), this neck being equipped with a plug (25) for storage, means of connection (L), in particular of the thread type, being provided between the neck and the plug, connection means (J) being provided between the neck (24) of the second bottle and the central chimney (9) and comprising a part (28) provided on the neck (24) of the second bottle and a conjugate part (29) provided in the central chimney (9), the assembly being such that when the stopper (25) has been removed from the second bottle (2), the neck (24) of the latter can drive out the shutter (10) to allow mixing of the two products, characterized in that the connection means (J) are different from the above connection means (L) and that the conjugate part (29) provided in the central chimney (9) is arranged so as not to interfere with the part (26) of the above connecting means (L) provided on the neck (24) of the second bottle. Conditionnement selon la revendication 1, caractérisé par le fait que les moyens de connexion (J) comprennent, du côté du goulot (24) du deuxième flacon, au moins un téton ( 28) en saillie radialement vers l'extérieur et, du côté de la cheminée centrale (9) de la pièce intermédiaire, au moins une rampe hélicoïdale (29) propre à coopérer avec le téton (28).Packaging according to claim 1, characterized by the fact that the connection means (J) comprise, on the side of the neck (24) of the second bottle, at least one stud (28) projecting radially outwards and, on the side of the central chimney (9) of the intermediate piece, at least one helical ramp (29) adapted to cooperate with the stud (28). Conditionnement selon la revendication 2, caractérisé par le fait qu'il comprend, sur le goulot (24) du deuxième flacon, deux tétons (28) diamétralement opposés et, dans la cheminée centrale (9), deux rampes hélicoïdales (29) diamétralement opposées.Packaging according to claim 2, characterized in that it comprises, on the neck (24) of the second bottle, two studs (28) diametrically opposed and, in the central chimney (9), two helical ramps (29) diametrically opposite . Conditionnement selon la revendication 2 ou 3 dans lequel les moyens de liaison (L) entre le bouchon et le goulot du deuxième flacon sont constitués par un filetage (26), caractérisé par le fait que la rampe hélicoïdale (29) prévue sur la cheminée centrale (9) a un pas supérieur à celui (p) du filetage (26).Packaging according to claim 2 or 3 in which the connecting means (L) between the stopper and the neck of the second bottle are constituted by a thread (26), characterized in that the helical ramp (29) provided on the central chimney (9) has a pitch greater than that (p) of the thread (26). Conditionnement selon la revendication 4, caractérisé par le fait que le pas de la rampe hélicoïdale (29) est tel que le déplacement axial du goulot (24) relativement à la pièce intermédiaire (8), nécessaire pour chasser l'obturateur (10), est obtenu en moins d'un tour.Packaging according to claim 4, characterized by the fact that the pitch of the helical ramp (29) is such that the axial displacement of the neck (24) relative to the intermediate piece (8), necessary to drive out the shutter (10), is obtained in less than a turn. Conditionnement selon l'une des revendications 2 à 5, caractérisé par le fait que le premier (1) et le deuxième (2) flacons ont une section transversale de forme ovale, permise par le positionnement strict en fin de course assuré par le système rampe hélicoïdale (29)/téton (28).Packaging according to one of claims 2 to 5, characterized in that the first (1) and the second (2) bottles have an oval cross section, enabled by the strict positioning at the end of the stroke ensured by the ramp system helical (29) / nipple (28). Conditionnement selon l'une des revendications 2 à 6, caractérisé par le fait que la pièce intermédiaire (8) comporte, dans sa cheminée centrale (9), un frein de dévissage (s) propre à coopérer avec le téton du deuxième flacon.Packaging according to one of claims 2 to 6, characterized in that the intermediate part (8) comprises, in its central chimney (9), a unscrewing brake (s) capable of cooperating with the stud of the second bottle. Conditionnement selon la revendication 7, caractérisé par le fait que le frein de dévissage est constitué par une saillie (s) franchie par le téton (28) en fin de vissage et prévue dans la rampe hélicoïdale (29).Packaging according to claim 7, characterized in that the unscrewing brake consists of a projection (s) crossed by the stud (28) at the end of screwing and provided in the helical ramp (29). Conditionnement selon l'une des revendications précédentes, caractérisé par le fait que le deuxième flacon (2) est en verre.Packaging according to one of the preceding claims, characterized in that the second bottle (2) is made of glass. Conditionnement selon l'une des revendications 2 à 9, caractérisé par le fait que le téton (28) est prévu sur une portée cylindrique (30) dont le diamètre extérieur est sensiblement égal au diamètre extérieur (d) du bouchon (25) destiné à fermer le deuxième flacon (2), le diamètre interne (h) de la cheminée centrale (9) de la pièce intermédiaire (8) étant suffisant pour permettre l'entrée de ladite portée cylindrique (30) et donc du bouchon (25).Packaging according to one of claims 2 to 9, characterized in that the stud (28) is provided on a cylindrical surface (30) whose outside diameter is substantially equal to the outside diameter (d) of the plug (25) intended to close the second bottle (2), the internal diameter (h) of the central chimney (9) of the intermediate piece (8) being sufficient to allow entry of said cylindrical seat (30) and therefore of the stopper (25). Conditionnement selon l'une des revendications précédentes, caractérisé par le fait qu'en position de stockage il est réalisé sous forme monobloc, le deuxième flacon (2) étant relié par une bande de garantie au flacon supérieur (1) ou à la pièce intermédiaire (8).Packaging according to one of the preceding claims, characterized in that in the storage position it is produced in one-piece form, the second bottle (2) being connected by a guarantee strip to the upper bottle (1) or to the intermediate piece (8). Conditionnement selon l'une des revendications précédentes, caractérisé par le fait que la pièce intermédiaire (8) comporte une paroi (14) dont la partie inférieure vient s'emboîter sur le deuxième flacon (2) en fin de connexion, avec un encliquetage éventuel, de manière à constituer un frein à l'encontre du dévissage.Packaging according to one of the preceding claims, characterized in that the intermediate part (8) has a wall (14) the lower part of which fits onto the second bottle (2) at the end of connection, with a possible snap-fastening , so as to constitute a brake against unscrewing. Conditionnement selon l'une des revendications précédentes, caractérisé par le fait qu'il est agencé de manière que le bouchon (25) du deuxième flacon puisse s'enfoncer complètement dans la cheminée centrale (9) de la pièce intermédiaire, pour le stockage.Packaging according to one of the preceding claims, characterized in that it is arranged so that the stopper (25) of the second bottle can sink completely into the central chimney (9) of the intermediate piece, for storage. Conditionnement selon l'une des revendications précédentes, caractérisé par le fait que la pièce intermédiaire (8) comporte une partie creuse (15) en forme de gorge annulaire (16) propre à recevoir une jupe (3) formant la partie inférieure du premier flacon, l'étanchéité entre la pièce intermédiaire (8) et la jupe (3) étant réalisée contre la surface intérieure de la jupe.Packaging according to one of the preceding claims, characterized in that the intermediate part (8) has a hollow part (15) in the form of an annular groove (16) suitable for receiving a skirt (3) forming the lower part of the first bottle , the seal between the intermediate piece (8) and the skirt (3) being formed against the interior surface of the skirt. Conditionnement selon la revendication 14, caractérisé par le fait que la jupe (3) comporte un bourrelet extérieur (5) propre à venir s'encliqueter sous au moins un épaulement (18) prévu sur la face interne de la paroi extérieure (19) de la gorge (16).Packaging according to claim 14, characterized in that the skirt (3) has an external bead (5) suitable for being snapped under at least one shoulder (18) provided on the internal face of the external wall (19) of the throat (16). Conditionnement selon la revendication 15, caractérisé par le fait que l'épaulement (18) s'étend sur une partie de circonférence et que la pièce intermédiaire (8) comporte une fenêtre (20) au-dessous de cet épaulement (18) ou de chaque épaulement (18).Packaging according to claim 15, characterized in that the shoulder (18) extends over a part of the circumference and that the intermediate piece (8) has a window (20) below this shoulder (18) or of each shoulder (18).
EP92402094A 1991-08-16 1992-07-21 Package with two bottles for separately storing two products, in particular liquids, and to mix them together prior to use Expired - Lifetime EP0528707B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9110378A FR2680357B1 (en) 1991-08-16 1991-08-16 PACKAGING WITH TWO BOTTLES FOR SEPARATELY STORING ONE OF THE OTHER TWO PRODUCTS, PARTICULARLY LIQUID, AND MIXING THEM AT THE TIME OF THEIR USE.
FR9110378 1991-08-16

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EP0528707A1 true EP0528707A1 (en) 1993-02-24
EP0528707B1 EP0528707B1 (en) 1995-05-24

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US (1) US5277303A (en)
EP (1) EP0528707B1 (en)
JP (1) JP2767346B2 (en)
AT (1) ATE122987T1 (en)
CA (1) CA2076193C (en)
DE (1) DE69202650T2 (en)
ES (1) ES2072727T3 (en)
FR (1) FR2680357B1 (en)

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BE1023806B1 (en) * 2016-06-28 2017-07-27 R&O Lab Sprl MIXING CONTAINER ADAPTABLE TO ANY RECEPTOR CONTAINER
GB2559594B (en) 2017-02-10 2020-07-15 Dexos Drinks Ltd A liquid dispenser and method
CN110267886B (en) * 2017-02-10 2021-11-30 德克索斯饮料有限公司 Edible product container and edible product storage and dispensing system
US10279977B2 (en) 2017-08-25 2019-05-07 Eli Fleischman Fluid container for having stackable sections connected by valves for transmitting fluid between the sections
DE102019203857A1 (en) * 2019-03-21 2020-09-24 Henkel Ag & Co. Kgaa Packaging system for at least one product preparation component and the associated method for handling the product preparation component
DE102019203858A1 (en) * 2019-03-21 2020-09-24 Henkel Ag & Co. Kgaa Packaging system for at least one product preparation component and the associated method for handling the product preparation component
KR102135610B1 (en) * 2019-04-15 2020-07-22 주식회사 삼화 Container for mixing different kinds of contents
CA3139056A1 (en) * 2019-05-27 2020-12-03 Rpc Bramlage Gmbh Closure device for a container

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EP0659365A1 (en) * 1993-12-22 1995-06-28 L'oreal Device for preparing, in a metered manner, a cosmetic product and dispensing this product
US5582327A (en) * 1993-12-22 1996-12-10 L'oreal Device for preparing, measuring, and dispensing a cosmetic product
FR2713953A1 (en) * 1993-12-22 1995-06-23 Oreal Device for preparing metered, and dispensing a cosmetic product.
US5647481A (en) * 1995-05-17 1997-07-15 Henkel Kommanditgesellschaft Auf Aktien Dual container system for two component hair dye
EP0770561A1 (en) * 1995-10-26 1997-05-02 Fulvio Reggiani Mixing bottle for containing and dispensing in mixed form two products to be kept separated before use
US6135275A (en) * 1996-09-04 2000-10-24 Henkel Kommanditgesellschaft Auf Aktien Two component mixing containers
WO1998009886A1 (en) * 1996-09-04 1998-03-12 Henkel Kommanditgesellschaft Auf Aktien Two component containers
EP0881165A1 (en) * 1997-05-06 1998-12-02 L'oreal Packaging container for extemporaneously mixing two products
FR2763048A1 (en) * 1997-05-06 1998-11-13 Oreal PACKAGING FOR THE EXTEMPORANEOUS MIXTURE OF TWO PRODUCTS
US5908107A (en) * 1997-05-06 1999-06-01 L'oreal Packaging for the extemporaneous mixing of two products
WO1998051586A1 (en) * 1997-05-15 1998-11-19 R + D Injector Ag Dual-component container system
FR2764868A1 (en) * 1997-06-20 1998-12-24 Oreal DEVICE FOR PACKAGING A MULTI-COMPONENT PRODUCT TO BE STORED SEPARATELY AND MIXED JUST BEFORE USING THE PRODUCT
EP0894735A1 (en) * 1997-06-20 1999-02-03 L'oreal Device and process for the separate storage of at least two products, for the mixture and distribution of these products
US6021892A (en) * 1997-06-20 2000-02-08 L'oreal Device for packaging a product comprising constituents which must be stored separately and mixed just before use of the product
US6068396A (en) * 1997-09-01 2000-05-30 L'oreal Device for extemporaneous mixing of at least two products
EP0899210A1 (en) * 1997-09-01 1999-03-03 L'oreal Device for the instant mixing of at least two components
FR2767797A1 (en) * 1997-09-01 1999-03-05 Oreal DEVICE FOR THE EXTEMPORANEOUS MIXING OF AT LEAST TWO PRODUCTS
EP0905049A1 (en) * 1997-09-24 1999-03-31 L'oreal Container for a three-component product
FR2768705A1 (en) * 1997-09-24 1999-03-26 Oreal PACKAGING FOR A THREE-COMPONENT PRODUCT
FR2789979A1 (en) * 1999-02-22 2000-08-25 Oreal PACKAGING FOR MIXING A MULTI-COMPONENT PRODUCT
EP1033323A1 (en) * 1999-02-22 2000-09-06 L'oreal Container for mixing a product made of several components
US6293395B1 (en) 1999-02-22 2001-09-25 L'oreal Packaging for mixing a product containing several components
EP1069051A1 (en) 1999-07-16 2001-01-17 L'oreal Container with anti-spill opening and respective cap
FR2796369A1 (en) 1999-07-16 2001-01-19 Oreal Container for storing liquid comprises nozzle and stopper with liquid held at distance from fluid outlet with stopper in closed position.
WO2001005673A1 (en) 1999-07-16 2001-01-25 L'oreal Container with clean opening and corresponding top
ITNA20130052A1 (en) * 2013-11-06 2015-05-07 Pasquale Ambrosio MODULAR CONTAINER AND MIXER
WO2016113235A1 (en) * 2015-01-12 2016-07-21 Schurtz Alexander Single-use, disposable device for attaching to a container
CN112110003A (en) * 2019-12-12 2020-12-22 张自武 Spiral opening preparation bottle
EP3901057A1 (en) * 2020-04-22 2021-10-27 R.P. Versluijs Beheer B.V. Refill system
NL1043615B1 (en) * 2020-04-22 2021-11-09 R P Versluijs Beheer B V REFILL SYSTEM

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DE69202650D1 (en) 1995-06-29
JP2767346B2 (en) 1998-06-18
JPH05193677A (en) 1993-08-03
DE69202650T2 (en) 1996-03-07
FR2680357A1 (en) 1993-02-19
CA2076193C (en) 2004-11-23
ES2072727T3 (en) 1995-07-16
US5277303A (en) 1994-01-11
FR2680357B1 (en) 1995-01-06
EP0528707B1 (en) 1995-05-24
ATE122987T1 (en) 1995-06-15
CA2076193A1 (en) 1993-02-17

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