EP0945184A1 - Storage and dispensing device for a liquid product - Google Patents

Storage and dispensing device for a liquid product Download PDF

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Publication number
EP0945184A1
EP0945184A1 EP98403342A EP98403342A EP0945184A1 EP 0945184 A1 EP0945184 A1 EP 0945184A1 EP 98403342 A EP98403342 A EP 98403342A EP 98403342 A EP98403342 A EP 98403342A EP 0945184 A1 EP0945184 A1 EP 0945184A1
Authority
EP
European Patent Office
Prior art keywords
pump
packaging
chimney
assembly according
distribution assembly
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
EP98403342A
Other languages
German (de)
French (fr)
Other versions
EP0945184B1 (en
Inventor
Jean-Louis H. 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
Original Assignee
LOreal SA
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0945184A1 publication Critical patent/EP0945184A1/en
Application granted granted Critical
Publication of EP0945184B1 publication Critical patent/EP0945184B1/en
Anticipated expiration legal-status Critical
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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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0008—Sealing or attachment arrangements between sprayer and container
    • B05B11/0013—Attachment arrangements comprising means cooperating with the inner surface of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container

Definitions

  • the present invention relates to a set of packaging and distribution of a product, in particular liquid, and its use for the packaging and distribution of a cosmetic, pharmaceutical or dermo-pharmaceutical.
  • the invention relates to a packaging assembly and distribution like those that include a bulk tank variable, of the pocket or follower piston type for the product, integral with a base on which is fixed a manual pump surmounted by a push button equipped with a dispensing orifice.
  • manual pumps are crimped on a bottle, or on a neck, located at the top of a base covering a product reservoir.
  • a metal ring of crimping intended for fixing the pump on the neck of the base. Crimping of this metal ring on the neck requires free space around the neck for ability to perform crimping.
  • the present invention aims to simplify the mounting of the pump on the base, by eliminating in particular the transfer part, and thus aims to reduce the costs of manufacturing and assembly.
  • the invention further aims to provide a set of distribution which advantageously does not require a sealing part between the pump and the support on which it is fixed.
  • said chimney comprises means for fasteners capable of permanently deforming an area of the pump body to secure the pump in the chimney.
  • Another object of the invention consists in making, using said fixing means, a seal between the pump body and the internal wall of said chimney.
  • Another object of the invention relates to the use of such an assembly for the packaging and distribution of a cosmetic, pharmaceutical, or dermo-pharmaceutical.
  • the immobilization of the pump in the chimney is produced by radial deformation of the facing pump body said fixing means.
  • this radial deformation of the pump body is carried out by an annular profile carried by the internal wall of the chimney and located in the vicinity of one of the ends of said body of pump, either above or below, so as not to hinder the mobility of the rod valve, and therefore the operation of the pump.
  • the annular profile is in the form of a more or less lively or more or less rounded bead.
  • such a profile is formed by the end of an internal frustoconical portion of said chimney, the diameter of which preferably increases in the direction during installation of the pump.
  • the attachment and / or the tightness of the pump is ensured by deformation of an area of the body of pump into which the profile fits or at least partially.
  • we preferably chooses, for the realization of the base, and therefore of the chimney, a thermoplastic material more rigid than the material constituting the body of pump. It is understood that said edge also, when mounting the pump, can undergo a deformation, so as to make up for defects in molding of the parts of the pump body cooperating with this edge.
  • the pump used is a commercially available pump.
  • the stamping of the pump body can be made so that the permanent deformation of the pump body only occurs in the thickness of the body wall of pump, without impact on the internal geometry of the pump.
  • location of the deformed area of the pump body can be anywhere which axial level of the body.
  • the deformation zone must be located either on the upper end or on the lower end of the body pump. Indeed, internal deformation in these places is not likely to block the movement of the moving parts of the pump, in particular, the stroke of the rod pump.
  • the transverse bottom of the base is connected to a peripheral cylindrical edge extending at least partially from the side opposite to the tank, the chimney having a height substantially equal to or less than the height of the peripheral edge of the bottom.
  • substantially the entire body of the pump is housed in said chimney.
  • the means of fixing also act as sealing means between the pump body and the fireplace.
  • the assembly of the invention is also equipped with a push button provided with a dispensing orifice and a connection means suitable for put the pump in communication with the dispensing orifice.
  • the push button may include an external skirt capable of sliding inside or at outside the peripheral edge of the base.
  • the outer skirt of the push button and the cylindrical edge of the base are concentric and located, from each other, at a small radial distance.
  • the reservoir is a deformable pocket consisting, for example of a sheet of a complex material, such as a sheet composed of a triple layer: thermoplastic layer / layer metallic / thermoplastic layer.
  • a pocket is advantageously fixed on a skirt carried by the base.
  • a deformable pocket advantageously, it can be placed in a rigid enclosure provided with a vent hole.
  • this enclosure is integral with the base.
  • the reservoir is formed by a rigid envelope cylindrical, the end opposite to the base is closed by a follower piston, axially movable and moving from the bottom of the tank to the pump, at as the tank is emptied.
  • the whole of the invention which has just been described is, in particular, usable for the packaging and distribution of a cosmetic product, in particular capillary, pharmaceutical, or dermo-pharmaceutical.
  • This assembly of axis X, comprises a deformable reservoir 2 containing a liquid or viscous product, such as a cream, gel, body milk or a lotion.
  • This reservoir 2 is housed in a rigid external enclosure 4.
  • the tank 2 is in the form of a pocket and consists of a sheet flexible plastic, for example polyethylene, or a complex formed by a metallic layer and at least one plastic layer.
  • the bottom 6 of the pocket 2 is closed by a weld line 6.
  • the bottom 8 of the enclosure is provided with a vent opening 10.
  • the enclosure 4 has a wall side 5 whose open end bears the reference 5a.
  • the free upper edge 12 of the pocket 2 is fixed, by gluing, welding or all other suitable means, on a peripheral skirt 14, formed by a base 16.
  • the cylindrical skirt 14 is provided with an annular projection 15, resting on the free end 5a of the enclosure 5.
  • the section of the peripheral skirt, perpendicular to the X axis, can be circular, oval, rectangular, etc.
  • the projection 15 then separates the peripheral skirt 14 into a lower portion 14a and a upper portion 14b, the latter ending in a rim 13 facing towards the X axis.
  • the lower portion 14a is provided with a first bead 14c, capable of cooperate with a complementary groove 5b provided on the internal wall of the enclosure 5, in the vicinity of its free end 5a.
  • the base 16 is in the form of a bowl provided with a bottom transverse 20 crossed by a cylindrical chimney 18.
  • This chimney comprises a first portion 18a extending in the tank 2, as well as a second portion 18b directed towards the outside of the tank and having a free end 18c.
  • the second portion 18b of the chimney has a height substantially equal to the height of the skirt 14.
  • the pump 26 has a rod actuation and distribution 32, the emerging end of which is engaged in a push button 34.
  • a removable protective cover (not shown) may be provided to protect the push button 34 from any actuation accidental.
  • the pump body 28 26 passes entirely through the chimney 18.
  • the portion 18a turned towards the reservoir is shaped like a truncated cone with the free end forms the small base 74 of the truncated cone.
  • the internal surface 73 of the portion in truncated cone is used to center the pump, when mounting the latter in the chimney 18.
  • the end portion 74 of the chimney 18 is provided with a cylindrical passage 75, the internal diameter of which corresponds substantially to diameter of the pump body 26.
  • This passage 75 is provided with a cord internal annular 72, capable of creating, by stamping, a deformation zone 70, on the pump body 28, thus ensuring the fixing of the latter in the base.
  • stamping is simple to perform, using for the manufacture of the base 16 a rigid material, such as is usually found among certain types of polyethylenes or polypropylenes, in combination with a pump casing 28 made of a less rigid material than the material constituting the base 16.
  • the pump also comprises a plate 46 of larger diameter than the body. 28 of pump, located on the upper part of the pump and in contact with the free end 18c of the chimney 18.
  • the pump 28, according to the embodiment considered, comprises a annular lip 68 extending from the plate 46 towards the reservoir 2.
  • the sealing lip 64 bearing against the internal wall of the end 18c of the chimney 18, makes it possible to perfect the tightness of the mounting of the pump.
  • This arrangement of additional sealing means makes it possible to satisfy extreme vacuum conditions which may prevail inside the tank 2.
  • the push button 34 has an upper surface 35 constituting an area support, on which the user presses to actuate the pump 26, in order to distribute a dose of product.
  • a distribution channel 36 connects the pump rod 32 to a dispensing orifice 38.
  • the push-button has a body 40 of general shape of a dome, the base of which has a projecting portion 44 towards the outside, the outside diameter of which is slightly smaller than the inside diameter of the peripheral skirt 14.
  • the embodiment which has just been described makes it possible to manufacture a set of packaging, aesthetic appearance, at a particularly attractive price. So, he it is possible to supply a tank surmounted by a dispensing head and with an "integrated" push button, particularly low installation. Thanks to the invention, such a packaging unit can be produced by simple mounting means.
  • FIG. 2 illustrates other embodiments of the invention.
  • the identical parts or playing a role similar to the mode parts embodiment of FIG. 1 bear the same reference numbers. Their description will only be repeated partially.
  • a pump 26 having a cylindrical body 28 is forcibly mounted in the chimney 18.
  • the chimney comprises a bead 62 of small radial thickness, in practice of the order of some 100 th of mm, located in the upper part of the chimney.
  • an annular groove of shallow depth 66 is created in the external wall of the pump. This groove ensures both the fixing of the pump and the tightness of the assembly thus assembled.
  • the lower end of the pump is provided with a chamfer 67.
  • the pump body is made of polyethylene.
  • the base 16, and therefore the chimney is made of polypropylene whose rigidity is greater than the rigidity of the polyethylene constituting the pump body.
  • a pump 26 having a body 28 in two portions: a first cylindrical portion 28b forming the upper part of the body ; a second portion 28a forming the lower part of the body, of diameter smaller than the diameter of the upper portion 28b; a transition zone 28c located between the first and second portions 28a and 28b having a taper reversed at the taper of the first portion 28b.
  • the pump body is inserted in a chimney 18 forming part of a base 16 and whose internal wall is slightly conical in shape.
  • the free end 18c of the chimney has a internal chamfer to facilitate mounting of the pump 26 in the chimney 18.
  • a zone of smaller diameter 18d is formed in the vicinity of the chamfer 28c suitable for stamping the portion 18b of the pump body, which makes it possible to perfect the tightness of the pump in the base.
  • the transition zone 28c is partially engaged in the chamfered end 18c.
  • the pump body undergoes temporary peripheral deformation, sufficient to allow the portion 28b to pass.
  • the zone 18d made of a more rigid material than the material constituting the pump body, by stamping the material forming the pump body, for example polypropylene, deforms the portion 28b of the pump body so that this portion takes the form of the internal wall of the chimney.
  • this stamping causes a deformation of the pump body over a radial depth of some 100 th of mm. It should be noted that the stamping, in the place where it is carried out, does not cause the pump to malfunction. Indeed, the stamping is carried out in an area of the pump body, where no blocking of the moving parts of the pump can occur.
  • the body 28 of the pump is cylindrical.
  • a zone of smaller diameter 18d forming an edge annular, located in the vicinity of a chamfer 18c of the free end of the chimney 18 ensures, by stamping the body 28, both the attachment and the tightness of the pump in the chimney.
  • the assembly of this pump is carried out in a similar way to the assembly of the pump of figure 3.
  • Figure 5 shows a mounting method similar to the illustrated mounting mode in Figure 3.
  • the free end of the chimney 18 does not have a chamfer, but a sharp annular edge 18d.
  • the chimney 18 has a slightly conical upper portion, opening in direction of the tank 2.
  • the taper of the chimney relative to the cylindrical portion 28b of the pump body, it is possible to secure the attachment of the pump by stamping the portion 28b of the pump body by the internal wall of the chimney, the portion 28b, at the end of assembly then having a shape frustoconical complementary to the taper of the internal wall of the chimney.
  • the seal between the pump and the chimney is obtained by stamping the upper end of the pump body by the edge 18d.
  • the lower portion of the pump body is introduced into the chimney 18, the frustoconical portion 28c resting on the free edge 18c of the chimney.
  • a temporary deformation of the pump body is caused, allowing the portion 28b to pass.
  • the annular edge 18d creates, in the vicinity of the plate 46, by permanent stamping, an annular groove in the pump body, the depth of which is some 100 th of a mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Abstract

The packaging and dispensing unit comprises a closed product reservoir (2) composed of a variable volume one end of which is closed by a rigid base (16). The base has a transverse bottom passed through by a channel (18) integral with the base. A pump (26) placed in the channel communicates with the reservoir. The channel internal wall comprises an annular seal (18d) able to permanently deform radially in a zone (28) of the pump in order to immobilize the pump in the channel. In addition there is a pushbutton (34) provided with a dispensing orifice (38) communicating with the pump rod (32).

Description

La présente invention se rapporte a un ensemble de conditionnement et de distribution d'un produit, notamment liquide, et son utilisation pour le conditionnement et la distribution d'un produit cosmétique, pharmaceutique ou dermo-pharmaceutique.The present invention relates to a set of packaging and distribution of a product, in particular liquid, and its use for the packaging and distribution of a cosmetic, pharmaceutical or dermo-pharmaceutical.

Plus particulièrement, l'invention est relative à un ensemble de conditionnement et de distribution du genre de ceux qui comprennent un réservoir à volume variable, du type à poche ou à piston suiveur pour le produit, solidaire d'une embase sur laquelle est fixée une pompe manuelle surmontée d'un bouton-poussoir équipé d'un orifice de distribution.More particularly, the invention relates to a packaging assembly and distribution like those that include a bulk tank variable, of the pocket or follower piston type for the product, integral with a base on which is fixed a manual pump surmounted by a push button equipped with a dispensing orifice.

Généralement, les pompes manuelles sont serties sur un flacon, ou bien sur un col, situé à la partie supérieure d'une l'embase coiffant un réservoir de produit. Habituellement, une telle pompe est livrée avec une bague métallique de sertissage destinée à la fixation de la pompe sur le col de l'embase. Le sertissage de cette bague métallique sur le col nécessite un espace libre autour du col pour pouvoir réaliser le sertissage.Generally, manual pumps are crimped on a bottle, or on a neck, located at the top of a base covering a product reservoir. Usually, such a pump is delivered with a metal ring of crimping intended for fixing the pump on the neck of the base. Crimping of this metal ring on the neck requires free space around the neck for ability to perform crimping.

Il en résulte que, par rapport à la partie supérieure de l'embase, la bague de sertissage se trouve sensiblement surélevée, ce qui d'une part, augmente la hauteur totale de l'ensemble, et d'autre part, est désagréable du point de vue esthétique. De plus, un ensemble comportant une pompe haut perchée est difficile à utiliser. En effet, la prise en main de l'ensemble s'effectuant au niveau de réservoir, la longueur de l'index destiné à venir appuyer au-dessus du bouton-poussoir risque d'être insuffisante pour permettre une manoeuvre aisée d'un tel distributeur.It follows that, relative to the upper part of the base, the ring crimping is significantly raised, which on the one hand increases the total height of the whole, and on the other hand, is unpleasant from the point of view aesthetic. In addition, an assembly comprising a high-pitched pump is hard to use. Indeed, the grip of the whole taking place at the level of tank, the length of the index finger intended to press above the push-button risk of being insufficient to allow an easy maneuver of such distributor.

Afin de fournir un distributeur de forme plus compacte et pouvant être utilisé de manière plus aisée, la demanderesse a déjà réalisé un distributeur de produit muni d'une embase en forme de cuvette engagée dans un récipient contenant le réservoir. Pour éviter des problèmes de sertissage de la pompe sur l'embase, la pompe est sertie sur une pièce-transfert, elle-même fixée sur l'embase. Ce genre de distributeur est décrit, notamment, dans les documents EP-A-0 486 355 et EP-A-0 628 355, au nom du demandeur.To provide a more compact dispenser that can be used easier, the applicant has already produced a product distributor fitted with a cup-shaped base engaged in a container containing the tank. To avoid problems with crimping the pump on the base, the pump is crimped on a transfer piece, itself fixed on the base. This genre dispenser is described, in particular, in documents EP-A-0 486 355 and EP-A-0 628 355, on behalf of the applicant.

Par rapport aux distributeurs selon EP-A-0 486 355 et EP-A-0 628 355, la présente invention vise à simplifier le montage de la pompe sur l'embase, en supprimant notamment la pièce de transfert, et vise ainsi à réduire les frais de fabrication et de montage. L'invention vise, en outre, à fournir un ensemble de distribution qui avantageusement, ne nécessite pas de pièce d'étanchéité supplémentaire entre la pompe et le support sur lequel elle et fixée.Compared to distributors according to EP-A-0 486 355 and EP-A-0 628 355, the present invention aims to simplify the mounting of the pump on the base, by eliminating in particular the transfer part, and thus aims to reduce the costs of manufacturing and assembly. The invention further aims to provide a set of distribution which advantageously does not require a sealing part between the pump and the support on which it is fixed.

Le document US-A-5 388 727 décrit un tube muni d'une tête de distribution pourvue d'une cheminée dans laquelle est montée, par encliquetage, une pompe de distribution. Le corps de valve, ainsi que la paroi interne de la cheminée sont équipés de moyens de montage aptes à coopérer l'un avec l'autre. Ce dispositif nécessite la réalisation d'une pompe dont le corps présente des moyens de fixation s'étendant radialement vers l'extérieur, et qui doivent être conçus spécialement pour la réalisation décrite. D'autre part, une cheminée pourvue d'une gorge circulaire doit être conformée de manière complémentaire aux moyens de fixation du corps de pompe, ce qui est difficile à réaliser techniquement, et ce qui n'est donc pas envisageable économiquement. De plus, une telle fixation laisse à désirer, quant à l'ètanchéité entre le corps de pompe et la cheminée.Document US-A-5 388 727 describes a tube fitted with a dispensing head provided with a chimney in which is mounted, by snap-fastening, a pump of distribution. The valve body and the internal wall of the chimney are equipped with mounting means able to cooperate with each other. These measures requires the realization of a pump whose body has means of fastening extending radially outwards, which must be designed specially for the described embodiment. On the other hand, a fireplace provided of a circular groove must be shaped in a way complementary to means for fixing the pump body, which is difficult to achieve technically, and which is therefore not conceivable economically. Moreover, such a fixing leaves something to be desired, as regards the seal between the pump body and the fireplace.

Aussi, l'invention se rapporte à un ensemble de conditionnement et de distribution d'un produit, notamment liquide, comprenant :

  • a) un réservoir fermé pour ledit produit constitué d'un corps à volume variable dont une extrémité est fermée par une embase rigide, cette embase comportant un fond transversal traversé par une cheminée émergeante formant une seule pièce avec l'embase,
  • b) une pompe disposée dans la cheminée, en communication avec le réservoir.
    • Also, the invention relates to a set for packaging and distributing a product, in particular a liquid, comprising:
  • a) a closed tank for said product consisting of a variable volume body, one end of which is closed by a rigid base, this base comprising a transverse bottom traversed by an emerging chimney forming a single piece with the base,
  • b) a pump placed in the chimney, in communication with the tank.

    • Selon un premier objet de l'invention, ladite cheminée comporte des moyens de fixation aptes à déformer, de manière permanente, une zone du corps de pompe pour assurer l'immobilisation de la pompe dans la cheminée. Un autre objet de l'invention consiste à réaliser, à l'aide desdits moyens de fixation, une étanchéité entre le corps de pompe et la paroi interne de ladite cheminée.According to a first object of the invention, said chimney comprises means for fasteners capable of permanently deforming an area of the pump body to secure the pump in the chimney. Another object of the invention consists in making, using said fixing means, a seal between the pump body and the internal wall of said chimney.

    Un autre objet de l'invention concerne l'utilisation d'un tel ensemble pour le conditionnement et la distribution d'un produit cosmétique, pharmaceutique, ou dermo-pharmaceutique.Another object of the invention relates to the use of such an assembly for the packaging and distribution of a cosmetic, pharmaceutical, or dermo-pharmaceutical.

    Selon un mode de réalisation avantageux, l'immobilisation de la pompe dans la cheminée est réalisée par déformation radiale du corps de pompe en regard desdits moyens de fixation. Dans ce cas, de préférence, cette déformation radiale du corps de pompe est effectuée par un profil annulaire porté par la paroi interne de la cheminée et situé au voisinage de l'une des extrémités dudit corps de pompe, soit en haut, soit en bas, de manière à ne pas gêner la mobilité de la tige de valve, et donc le fonctionnement de la pompe.According to an advantageous embodiment, the immobilization of the pump in the chimney is produced by radial deformation of the facing pump body said fixing means. In this case, preferably, this radial deformation of the pump body is carried out by an annular profile carried by the internal wall of the chimney and located in the vicinity of one of the ends of said body of pump, either above or below, so as not to hinder the mobility of the rod valve, and therefore the operation of the pump.

    Avantageusement, le profil annulaire se présente sous la forme d'une arête plus ou moins vive ou de bourrelet plus ou moins arrondi. Selon un mode de réalisation, un tel profil est formé par l'extrémité d'une portion tronconique interne de ladite cheminée, dont, de préférence, le diamètre augmente suivant le sens d'introduction lors du montage de la pompe. Dans ce cas, l'accrochage et/ou l'étanchéité de la pompe est assuré par déformation d'une zone du corps de pompe dans laquelle rentre le profile ou moins partiellement. A cet effet, on choisit de préférence, pour la réalisation de l'embase, et donc de la cheminée, un matériau thermoplastique plus rigide que le matériau constituant le corps de pompe. Il est bien entendu que ladite arête également, lors du montage de la pompe, peut subir une déformation, de manière à rattraper des défauts de moulage des parties du corps de pompe coopérant avec cette arête. Avantageusement, pour des aspects économiques, la pompe utilisée est une pompe commercialement disponible.Advantageously, the annular profile is in the form of a more or less lively or more or less rounded bead. According to a mode of embodiment, such a profile is formed by the end of an internal frustoconical portion of said chimney, the diameter of which preferably increases in the direction during installation of the pump. In this case, the attachment and / or the tightness of the pump is ensured by deformation of an area of the body of pump into which the profile fits or at least partially. To this end, we preferably chooses, for the realization of the base, and therefore of the chimney, a thermoplastic material more rigid than the material constituting the body of pump. It is understood that said edge also, when mounting the pump, can undergo a deformation, so as to make up for defects in molding of the parts of the pump body cooperating with this edge. Advantageously, for economic aspects, the pump used is a commercially available pump.

    On sait que certains matériaux, comme par exemple les polypropylènes et certains polyéthylènes, peuvent subir une déformation permanente, appelée matriçage, quand on les met sous contrainte. Lorsque la force de contrainte est suffisamment élevée, ce matriçage peut être effectué à froid. Ainsi, lorsqu'un corps de pompe, de forme initialement cylindrique est introduit dans une cheminée dont la paroi interne présente une portion légèrement tronconique, accompagné d'un serrage approprié, le corps de pompe se déforme radialement, pour adapter une forme externe tronconique également, complémentaire à la forme de la paroi interne de la cheminée. En général, la déformation radiale du corps de pompe est de l'ordre de quelques 100ème de mm.It is known that certain materials, such as for example polypropylenes and certain polyethylenes, can undergo a permanent deformation, called matrixing, when they are put under stress. When the stress force is sufficiently high, this stamping can be carried out cold. Thus, when a pump body, of initially cylindrical shape is introduced into a chimney whose internal wall has a slightly frustoconical portion, accompanied by an appropriate tightening, the pump body deforms radially, to adapt a frustoconical external shape also , complementary to the shape of the internal wall of the chimney. In general, the radial deformation of the pump body is of the order of some 100 th of a mm.

    Suivant le matériau choisi pour la réalisation du corps de pompe, le matriçage du corps de pompe peut s'effectuer de sorte que la déformation permanente du corps de pompe ne se produit que dans l'épaisseur de la paroi du corps de pompe, sans impact sur la géométrie interne de la pompe. Dans ce cas, la localisation de la zone déformée du corps de pompe peut se situer à n'importe quel niveau axial du corps. Cependant, lorsque le matriçage provoque une réduction interne du corps de pompe, avantageusement, la zone de déformation doit se situer, soit sur l'extrémité haute, soit sur l'extrémité basse du corps de pompe. En effet, une déformation interne à ces endroits ne risque pas de bloquer le mouvement des parties mobiles de la pompe, notamment, la course de la tige de pompe.Depending on the material chosen for the production of the pump body, the stamping of the pump body can be made so that the permanent deformation of the pump body only occurs in the thickness of the body wall of pump, without impact on the internal geometry of the pump. In this case location of the deformed area of the pump body can be anywhere which axial level of the body. However, when stamping causes a internal reduction of the pump body, advantageously the deformation zone must be located either on the upper end or on the lower end of the body pump. Indeed, internal deformation in these places is not likely to block the movement of the moving parts of the pump, in particular, the stroke of the rod pump.

    Selon un mode de réalisation avantageux, le fond transversal de l'embase est raccordé à un bord cylindrique périphérique s'étendant au moins partiellement du côté opposé au réservoir, la cheminée présentant une hauteur sensiblement égale ou inférieure à la hauteur du bord périphérique du fond. Cette disposition permet de guider le bouton-poussoir lors de son actionnement. Le cas échéant, cette disposition permet aussi de camoufler une partie du bouton-poussoir en vue d'une implantation basse de ce dernier dans l'ensemble.According to an advantageous embodiment, the transverse bottom of the base is connected to a peripheral cylindrical edge extending at least partially from the side opposite to the tank, the chimney having a height substantially equal to or less than the height of the peripheral edge of the bottom. This provision used to guide the push button when it is actuated. If applicable, this arrangement also makes it possible to camouflage part of the push-button in view of a low location of the latter overall.

    Selon un aspect avantageux de l'invention, sensiblement le corps entier de la pompe est logé dans ladite cheminée. Cette disposition permet de construire un ensemble de forme particulièrement compacte, ce qui est intéressant du point de vue esthétique, emballage et stockage.According to an advantageous aspect of the invention, substantially the entire body of the pump is housed in said chimney. This arrangement makes it possible to build a particularly compact in shape, which is interesting from the point of view of aesthetic view, packaging and storage.

    Selon un autre mode de réalisation particulièrement préféré, les moyens de fixation font également office de moyens d'étanchéité entre le corps de pompe et la cheminée.According to another particularly preferred embodiment, the means of fixing also act as sealing means between the pump body and the fireplace.

    Suivant un autre mode de réalisation, il peut être avantageux de prévoir dans la cheminée des moyens d'étanchéité, distincts des moyens de fixation, aptes à coopérer avec des moyens d'étanchéité complémentaires portés par le corps de pompe.According to another embodiment, it may be advantageous to provide in the chimney sealing means, separate from the fixing means, suitable for cooperate with complementary sealing means carried by the body of pump.

    Avantageusement, l'ensemble de l'invention est équipé, en outre, d'un bouton-poussoir muni d'un orifice de distribution et d'un moyen de raccordement apte à mettre en communication la pompe avec l'orifice de distribution.Advantageously, the assembly of the invention is also equipped with a push button provided with a dispensing orifice and a connection means suitable for put the pump in communication with the dispensing orifice.

    Dans le but de monter le bouton-poussoir aussi bas que possible, le bouton-poussoir peut comporter une jupe externe apte à coulisser à l'intérieur ou à l'extérieur du bord périphérique de l'embase. Dans ce cas, la jupe externe du bouton-poussoir et le bord cylindrique de l'embase sont concentriques et situés, l'un de l'autre, à une faible distance radiale. Par cette disposition, le guidage du bouton-poussoir peut être assuré lors de son actionnement.In order to mount the push button as low as possible, the push button may include an external skirt capable of sliding inside or at outside the peripheral edge of the base. In this case, the outer skirt of the push button and the cylindrical edge of the base are concentric and located, from each other, at a small radial distance. By this arrangement, the guidance of the push button can be ensured upon actuation.

    Selon un mode de réalisation préféré, le réservoir est une poche déformable constituée, par exemple d'une feuille en un matériau complexe, telle qu'une feuille composée d'une couche triple : couche thermoplastique/couche métallique/couche thermoplastique. Une telle poche est fixée, avantageusement sur une jupe portée par l'embase. Lorsqu'on utilise une poche déformable, avantageusement, celle-ci peut être placée dans une enceinte rigide munie d'un trou d'évent. Avantageusement, cette enceinte est solidaire de l'embase.According to a preferred embodiment, the reservoir is a deformable pocket consisting, for example of a sheet of a complex material, such as a sheet composed of a triple layer: thermoplastic layer / layer metallic / thermoplastic layer. Such a pocket is advantageously fixed on a skirt carried by the base. When using a deformable pocket, advantageously, it can be placed in a rigid enclosure provided with a vent hole. Advantageously, this enclosure is integral with the base.

    Selon une autre possibilité, le réservoir est formé par une enveloppe rigide cylindrique, dont l'extrémité opposée à l'embase est fermée par un piston suiveur, mobile axialement et se déplaçant depuis le fond du réservoir vers la pompe, au fur et à mesure de la vidange du réservoir.According to another possibility, the reservoir is formed by a rigid envelope cylindrical, the end opposite to the base is closed by a follower piston, axially movable and moving from the bottom of the tank to the pump, at as the tank is emptied.

    L'ensemble de l'invention qui vient d'être décrit est, en particulier, utilisable pour le conditionnement et la distribution d'un produit cosmétique, notamment capillaire, pharmaceutique, ou dermo-pharmaceutique.The whole of the invention which has just been described is, in particular, usable for the packaging and distribution of a cosmetic product, in particular capillary, pharmaceutical, or dermo-pharmaceutical.

    Pour mieux faire comprendre la présente invention, on va en décrire maintenant, à titre d'exemples purement illustratifs et nullement limitatifs, plusieurs modes de réalisation conforme à l'invention, représentés sur les dessins annexés. Sur ces dessins :

    • la figure 1 est une vue en coupe axiale d'un ensemble de conditionnement et de distribution, conforme à un premier mode de réalisation de l'invention;
    • les figures 2 à 5 représentent une vue partielle en coupe longitudinale d'un ensemble de conditionnement et de distribution, conforme à d'autres modes de réalisation de l'invention.
    To better understand the present invention, we will now describe, by way of purely illustrative and in no way limitative, several embodiments according to the invention, shown in the accompanying drawings. In these drawings:
    • Figure 1 is an axial sectional view of a packaging and distribution assembly, according to a first embodiment of the invention;
    • Figures 2 to 5 show a partial view in longitudinal section of a packaging and distribution assembly, according to other embodiments of the invention.

    Sur la figure 1, on voit un ensemble de conditionnement et de distribution, conforme à un premier mode de réalisation de l'invention, désigné généralement par la référence 1. Cet ensemble, d'axe X, comprend un réservoir déformable 2 contenant un produit liquide ou visqueux, tel qu'une crème, un gel, un lait corporel ou une lotion. Ce réservoir 2 est logé dans une enceinte externe 4 rigide. Le réservoir 2 se présente sous forme d'une poche et est constitué d'une feuille souple en plastique, par exemple en polyéthylène, ou d'un complexe formé par une couche métallique et au moins une couche plastique. Le fond 6 de la poche 2 est fermé par une ligne de soudure 6. Pour permettre un équilibrage de la pression interne de l'enceinte 4 au cours de la vidange de la poche, le fond 8 de l'enceinte est pourvu d'une ouverture d'évent 10. L'enceinte 4 présente une paroi latérale 5 dont l'extrémité ouverte porte la référence 5a.In FIG. 1, we see a set of packaging and distribution, in accordance with a first embodiment of the invention, generally designated by reference 1. This assembly, of axis X, comprises a deformable reservoir 2 containing a liquid or viscous product, such as a cream, gel, body milk or a lotion. This reservoir 2 is housed in a rigid external enclosure 4. The tank 2 is in the form of a pocket and consists of a sheet flexible plastic, for example polyethylene, or a complex formed by a metallic layer and at least one plastic layer. The bottom 6 of the pocket 2 is closed by a weld line 6. To allow balancing of the internal pressure of the enclosure 4 during the emptying of the bag, the bottom 8 of the enclosure is provided with a vent opening 10. The enclosure 4 has a wall side 5 whose open end bears the reference 5a.

    Le bord supérieur libre 12 de la poche 2 est fixé, par collage, soudure ou tout autre moyen approprié, sur une jupe périphérique 14, formée par une embase 16. La jupe cylindrique 14 est pourvue d'une saillie annulaire 15, s'appuyant sur l'extrémité libre 5a de l'enceinte 5. La section de la jupe périphérique, perpendiculaire à l'axe X, peut être circulaire, ovale, rectangulaire, etc.. La saillie 15 sépare alors la jupe périphérique 14 en une portion inférieure 14a et une portion supérieure 14b, cette dernière se terminant par un rebord 13 tourné vers l'axe X. La portion inférieure 14a est pourvue d'un premier bourrelet 14c, apte à coopérer avec une gorge complémentaire 5b prévue sur la paroi interne de l'enceinte 5, au voisinage de son extrémité libre 5a. Par cette disposition, l'extrémité libre 12 de la poche 2 est prise en sandwich entre le bord libre 5a de l'enceinte 5 et la portion inférieure 14a de la jupe périphérique 14 de l'embase 16.The free upper edge 12 of the pocket 2 is fixed, by gluing, welding or all other suitable means, on a peripheral skirt 14, formed by a base 16. The cylindrical skirt 14 is provided with an annular projection 15, resting on the free end 5a of the enclosure 5. The section of the peripheral skirt, perpendicular to the X axis, can be circular, oval, rectangular, etc. The projection 15 then separates the peripheral skirt 14 into a lower portion 14a and a upper portion 14b, the latter ending in a rim 13 facing towards the X axis. The lower portion 14a is provided with a first bead 14c, capable of cooperate with a complementary groove 5b provided on the internal wall of the enclosure 5, in the vicinity of its free end 5a. By this provision, the free end 12 of the pocket 2 is sandwiched between the free edge 5a of the enclosure 5 and the lower portion 14a of the peripheral skirt 14 of the base 16.

    L'embase 16 se présente sous la forme d'une cuvette pourvue d'un fond transversal 20 traversé par une cheminée cylindrique 18. Cette cheminée comprend une première portion 18a s'étendant dans le réservoir 2, ainsi qu'une seconde portion 18b dirigée vers l'extérieur du réservoir et présentant une extrémité libre 18c. La seconde portion 18b de la cheminée présente une hauteur sensiblement égale à la hauteur de la jupe 14. Dans cette seconde portion 18b est monté le corps 28 d'une pompe 26. La pompe 26 comporte une tige d'actionnement et de distribution 32, dont l'extrémité émergente est engagée dans un bouton-poussoir 34. Un capot de protection amovible (non présenté) peut être prévu pour protéger le bouton-poussoir 34 de tout actionnement accidentel. The base 16 is in the form of a bowl provided with a bottom transverse 20 crossed by a cylindrical chimney 18. This chimney comprises a first portion 18a extending in the tank 2, as well as a second portion 18b directed towards the outside of the tank and having a free end 18c. The second portion 18b of the chimney has a height substantially equal to the height of the skirt 14. In this second portion 18b is mounted the body 28 of a pump 26. The pump 26 has a rod actuation and distribution 32, the emerging end of which is engaged in a push button 34. A removable protective cover (not shown) may be provided to protect the push button 34 from any actuation accidental.

    Le corps 28 de pompe 26 traverse entièrement la cheminée 18. La portion 18a tournée vers le réservoir est conformée en tronc de cône dont l'extrémité libre forme la petite base 74 du tronc de cône. La surface interne 73 de la portion en tronc de cône sert au centrage de la pompe, lors du montage de cette dernière dans la cheminée 18. La partie terminale 74 de la cheminée 18 est pourvue d'un passage cylindrique 75, dont le diamètre interne correspond sensiblement au diamètre du corps de la pompe 26. Ce passage 75 est pourvu d'un cordon annulaire interne 72, apte à créer, par matriçage, une zone de déformation 70, sur le corps de pompe 28, assurant ainsi la fixation de la celle-ci dans l'embase.The pump body 28 26 passes entirely through the chimney 18. The portion 18a turned towards the reservoir is shaped like a truncated cone with the free end forms the small base 74 of the truncated cone. The internal surface 73 of the portion in truncated cone is used to center the pump, when mounting the latter in the chimney 18. The end portion 74 of the chimney 18 is provided with a cylindrical passage 75, the internal diameter of which corresponds substantially to diameter of the pump body 26. This passage 75 is provided with a cord internal annular 72, capable of creating, by stamping, a deformation zone 70, on the pump body 28, thus ensuring the fixing of the latter in the base.

    Un tel matriçage est simple à réaliser, en utilisant pour la fabrication de l'embase 16 un matériau rigide, tel qu'on le trouve habituellement parmi certains types de polyéthylènes ou de polypropylènes, en combinaison avec un corps de pompe 28 réalisé en un matériau moins rigide que le matériau constituant l'embase 16.Such stamping is simple to perform, using for the manufacture of the base 16 a rigid material, such as is usually found among certain types of polyethylenes or polypropylenes, in combination with a pump casing 28 made of a less rigid material than the material constituting the base 16.

    Lors du montage de la pompe dans la cheminée 18, on introduit le corps de pompe 28 axialement dans cette cheminée, la surface inclinée 73 servant au guidage et au centrage de la pompe. Lorsque le cordon annulaire 72 vient en butée contre l'extrémité inférieure du corps de pompe, par application d'une force axiale appropriée sur le plateau 46 de la pompe, on provoque une déformation radiale temporaire de la portion basse du corps de pompe. En fin de course, ladite zone de déformation 70 se forme, de manière permanente. Par cette disposition, une fixation fiable du corps de pompe dans la cheminée 18 est assurée. En outre, on obtient une étanchéité suffisante lorsqu'une dépression s'établit à l'intérieur du réservoir 2, suite à la distribution d'une dose de produit.When mounting the pump in the chimney 18, the body of the pump 28 axially in this chimney, the inclined surface 73 serving for guiding and centering the pump. When the annular bead 72 comes in abutment against the lower end of the pump body, by applying a force axial suitable on the plate 46 of the pump, it causes a deformation temporary radial of the lower portion of the pump body. At the end of the race, said deformation zone 70 is formed, permanently. By this arrangement, reliable fixing of the pump body in the chimney 18 is assured. In addition, a sufficient seal is obtained when a vacuum is established inside the tank 2, following the distribution of a dose of product.

    La pompe comporte, en outre, un plateau 46 de plus grand diamètre que le corps 28 de pompe, situé sur la partie supérieure de la pompe et en contact avec l'extrémité libre 18c de la cheminée 18.The pump also comprises a plate 46 of larger diameter than the body. 28 of pump, located on the upper part of the pump and in contact with the free end 18c of the chimney 18.

    Par ailleurs, la pompe 28, selon l'exemple de réalisation considéré, comporte une lèvre annulaire 68 s'étendant depuis le plateau 46 en direction du réservoir 2. La lèvre d'étanchéité 64, venant en appui contre la paroi interne de l'extrémité 18c de la cheminée 18, permet de parfaire l'étanchéité du montage de la pompe. Cette disposition de moyens d'étanchéité supplémentaires permet de satisfaire à des conditions de dépression extrêmes pouvant régner à l'intérieur du réservoir 2.Furthermore, the pump 28, according to the embodiment considered, comprises a annular lip 68 extending from the plate 46 towards the reservoir 2. The sealing lip 64, bearing against the internal wall of the end 18c of the chimney 18, makes it possible to perfect the tightness of the mounting of the pump. This arrangement of additional sealing means makes it possible to satisfy extreme vacuum conditions which may prevail inside the tank 2.

    Le bouton-poussoir 34 présente une surface supérieure 35 constituant une zone d'appui, sur laquelle l'utilisateur appuie pour actionner la pompe 26, en vue de distribuer une dose de produit. Un canal de distribution 36 relie la tige de pompe 32 à un orifice de distribution 38. Le bouton-poussoir présente un corps 40 de forme générale d'un dôme, dont la base comporte une portion en saillie 44 vers l'extérieur, dont le diamètre externe est légèrement inférieur au diamètre intérieur de la jupe périphérique 14. Par cette disposition, un guidage axial convenable du bouton-poussoir 34 dans la jupe 14 est assuré, lors de l'actionnent de la pompe.The push button 34 has an upper surface 35 constituting an area support, on which the user presses to actuate the pump 26, in order to distribute a dose of product. A distribution channel 36 connects the pump rod 32 to a dispensing orifice 38. The push-button has a body 40 of general shape of a dome, the base of which has a projecting portion 44 towards the outside, the outside diameter of which is slightly smaller than the inside diameter of the peripheral skirt 14. By this arrangement, suitable axial guidance of the push button 34 in skirt 14 is ensured when the pump is actuated.

    Le mode de réalisation qui vient d'être décrit permet de fabriquer un ensemble de conditionnement, d'aspect esthétique, à un prix particulièrement attractif. Ainsi, il est possible de fournir un réservoir surmonté d'une tété de distribution et comportant un bouton-poussoir "intégré", d'implantation particulièrement basse. Grâce à l'invention, un tel ensemble de conditionnement peut être réalisé par des moyens de montage simples.The embodiment which has just been described makes it possible to manufacture a set of packaging, aesthetic appearance, at a particularly attractive price. So, he it is possible to supply a tank surmounted by a dispensing head and with an "integrated" push button, particularly low installation. Thanks to the invention, such a packaging unit can be produced by simple mounting means.

    Les figures 2 à 5 illustrent d'autres modes de réalisation de l'invention. Sur ces figures, les parties identiques ou jouant un rôle semblable aux parties du mode de réalisation de la figure 1, portent les mêmes numéros de référence. Leur description ne sera reprise que partiellement.Figures 2 to 5 illustrate other embodiments of the invention. On these figures, the identical parts or playing a role similar to the mode parts embodiment of FIG. 1, bear the same reference numbers. Their description will only be repeated partially.

    Comme illustré sur la figure 2, une pompe 26 ayant un corps 28 cylindrique est montée à force dans la cheminée 18. Pour assurer la fixation de la pompe, la cheminée comporte un bourrelet 62 de faible épaisseur radiale, en pratique de l'ordre de quelques 100ème de mm, situé dans la partie supérieure de la cheminée. Lors du montage à force de la pompe dans la cheminée 18, en appuyant axialement, par matriçage du matériau constituant le corps 28 de pompe, une gorge annulaire de faible profondeur 66 est créée dans la paroi externe de la pompe. Cette gorge assure à la fois la fixation de la pompe et l'étanchéité de l'ensemble ainsi assemblé. Pour faciliter l'introduction de la pompe dans la cheminée, l'extrémité inférieure de la pompe est pourvue d'un chanfrein 67.As illustrated in FIG. 2, a pump 26 having a cylindrical body 28 is forcibly mounted in the chimney 18. To secure the pump, the chimney comprises a bead 62 of small radial thickness, in practice of the order of some 100 th of mm, located in the upper part of the chimney. During the forced mounting of the pump in the chimney 18, by pressing axially, by stamping of the material constituting the pump body 28, an annular groove of shallow depth 66 is created in the external wall of the pump. This groove ensures both the fixing of the pump and the tightness of the assembly thus assembled. To facilitate the introduction of the pump into the chimney, the lower end of the pump is provided with a chamfer 67.

    Selon ce mode de réalisation, le corps de la pompe est réalisé en polyéthylène. L'embase 16, et donc la cheminée est réalisée en polypropylène dont la rigidité est supérieure à la rigidité du polyéthylène constituant le corps de pompe. Lors de l'opération de montage de la pompe, pendant le passage du bourrelet 62, toute la partie inférieure du corps de pompe se déforme radialement vers l'intérieur, afin de matricer, de manière permanente, en fin de montage, la zone 66.According to this embodiment, the pump body is made of polyethylene. The base 16, and therefore the chimney is made of polypropylene whose rigidity is greater than the rigidity of the polyethylene constituting the pump body. When the pump mounting operation, during the passage of the bead 62, the entire lower part of the pump body deforms radially towards the interior, in order to stamp, permanently, at the end of assembly, the area 66.

    Sur la figure 3, on a représenté une pompe 26 présentant un corps 28 en deux portions : une première portion cylindrique 28b formant la partie supérieure du corps ; une seconde portion 28a formant la partie basse du corps, de diamètre inférieur au diamètre de la portion supérieure 28b ; une zone de transition 28c située entre les première et seconde portions 28a et 28b présentant une conicité inversée à la conicité de la première portion 28b. Le corps de pompe est inséré dans une cheminée 18 faisant partie d'une embase 16 et dont la paroi interne est de forme légèrement conique. L'extrémité libre 18c de la cheminée comporte un chanfrein interne pour faciliter le montage de la pompe 26 dans la cheminée 18. Ainsi, une zone de plus faible diamètre 18d est formée au voisinage du chanfrein 28c apte à matricer la portion 18b du corps de pompe, ce qui permet de parfaire l'étanchéité de la pompe dans l'embase.In Figure 3, there is shown a pump 26 having a body 28 in two portions: a first cylindrical portion 28b forming the upper part of the body ; a second portion 28a forming the lower part of the body, of diameter smaller than the diameter of the upper portion 28b; a transition zone 28c located between the first and second portions 28a and 28b having a taper reversed at the taper of the first portion 28b. The pump body is inserted in a chimney 18 forming part of a base 16 and whose internal wall is slightly conical in shape. The free end 18c of the chimney has a internal chamfer to facilitate mounting of the pump 26 in the chimney 18. Thus, a zone of smaller diameter 18d is formed in the vicinity of the chamfer 28c suitable for stamping the portion 18b of the pump body, which makes it possible to perfect the tightness of the pump in the base.

    Pour le montage de cette pompe, la zone de transition 28c est engagée partiellement dans l'extrémité chanfreinée 18c. Lorsqu'une force axiale appropriée est exercée sur le plateau 46 de la pompe, le corps de pompe subit une déformation périphérique temporaire, suffisante pour laisser passer la portion 28b. En position finale de montage, la zone 18d, réalisée en un matériau plus rigide que le matériau constituant le corps de pompe, par matriçage du matériau formant le corps de pompe, par exemple du polypropylène, déforme la portion 28b du cops de pompe de sorte que cette portion prenne la forme de la paroi interne de la cheminée. En général, ce matriçage provoque une déformation du corps de pompe sur une profondeur radiale de quelques 100ème de mm. Il est à noter que le matriçage, à l'endroit où elle est effectuée, ne provoque pas de dysfonctionnement de la pompe. En effet, le matriçage est effectué dans une zone du corps de pompe, où aucun blocage des pièces mobiles de la pompe ne peut intervenir.For mounting this pump, the transition zone 28c is partially engaged in the chamfered end 18c. When an appropriate axial force is exerted on the plate 46 of the pump, the pump body undergoes temporary peripheral deformation, sufficient to allow the portion 28b to pass. In the final mounting position, the zone 18d, made of a more rigid material than the material constituting the pump body, by stamping the material forming the pump body, for example polypropylene, deforms the portion 28b of the pump body so that this portion takes the form of the internal wall of the chimney. In general, this stamping causes a deformation of the pump body over a radial depth of some 100 th of mm. It should be noted that the stamping, in the place where it is carried out, does not cause the pump to malfunction. Indeed, the stamping is carried out in an area of the pump body, where no blocking of the moving parts of the pump can occur.

    Suivant le mode de réalisation montré sur la figure 4, de manière semblable au mode de réalisation de la figure 3, on voit le montage de la pompe 26 dans la cheminée 18. Dans la présente réalisation cependant, le corps 28 de la pompe est cylindrique. Une zone de plus faible diamètre 18d formant une arête annulaire, située au voisinage d'un chanfrein 18c de l'extrémité libre de la cheminée 18 assure, par matriçage du corps 28, à la fois l'accrochage et l'étanchéité de la pompe dans la cheminée. Le montage de cette pompe est effectué de manière semblable au montage de la pompe de la figure 3.According to the embodiment shown in Figure 4, similarly to the embodiment of Figure 3, we see the mounting of the pump 26 in the chimney 18. In the present embodiment, however, the body 28 of the pump is cylindrical. A zone of smaller diameter 18d forming an edge annular, located in the vicinity of a chamfer 18c of the free end of the chimney 18 ensures, by stamping the body 28, both the attachment and the tightness of the pump in the chimney. The assembly of this pump is carried out in a similar way to the assembly of the pump of figure 3.

    La figure 5 montre un mode de montage semblable au mode de montage illustré sur la figure 3. A la différence près par rapport à la figure 3, l'extrémité libre de la cheminée 18 ne présente pas de chanfrein, mais une arête annulaire vive 18d. La cheminée 18 présente une portion supérieure légèrement conique, s'ouvrant en direction du réservoir 2. Ainsi, par la conicité de la cheminée par rapport à la portion cylindrique 28b du corps de pompe, on peut assurer l'accrochage de la pompe par matriçage de la portion 28b du corps de pompe par la paroi interne de la cheminée, la portion 28b, en fin de montage présentant alors une forme tronconique complémentaire à la conicité de la paroi interne de la cheminée. L'étanchéité entre la pompe et la cheminée, est obtenue par matriçage de l'extrémité supérieure du corps de pompe par l'arête 18d. Figure 5 shows a mounting method similar to the illustrated mounting mode in Figure 3. With the difference compared to Figure 3, the free end of the chimney 18 does not have a chamfer, but a sharp annular edge 18d. The chimney 18 has a slightly conical upper portion, opening in direction of the tank 2. Thus, by the taper of the chimney relative to the cylindrical portion 28b of the pump body, it is possible to secure the attachment of the pump by stamping the portion 28b of the pump body by the internal wall of the chimney, the portion 28b, at the end of assembly then having a shape frustoconical complementary to the taper of the internal wall of the chimney. The seal between the pump and the chimney is obtained by stamping the upper end of the pump body by the edge 18d.

    Pour effectuer le montage de cette pompe, la portion inférieure du corps de pompe est introduite dans la cheminée 18, la portion tronconique 28c reposant sur le bord libre 18c de la cheminée. En exerçant une poussée axiale appropriée sur le plateau 46, on provoque une déformation temporaire du corps de pompe, permettant de faire passer la portion 28b. Après la mise en place de la pompe, l'arête annulaire 18d crée au voisinage du plateau 46, par matriçage permanent, une gorge annulaire dans le corps de pompe dont la profondeur est de quelques 100ème de mm. Ainsi, la fixation de la pompe dans la cheminée est assurée, de manière étanche.To carry out the mounting of this pump, the lower portion of the pump body is introduced into the chimney 18, the frustoconical portion 28c resting on the free edge 18c of the chimney. By exerting an appropriate axial thrust on the plate 46, a temporary deformation of the pump body is caused, allowing the portion 28b to pass. After the pump has been put in place, the annular edge 18d creates, in the vicinity of the plate 46, by permanent stamping, an annular groove in the pump body, the depth of which is some 100 th of a mm. Thus, the fixing of the pump in the chimney is ensured in a sealed manner.

    Dans la description détaillée qui précède, il a été fait référence à des modes de réalisation particuliers de l'invention. Il est évident que des variantes peuvent y être apportées sans s'écarter de l'esprit de l'invention telle que revendiquée ci-après.In the foregoing detailed description, reference has been made to modes of particular realization of the invention. It is obvious that variants may exist there. be made without departing from the spirit of the invention as claimed below.

    Claims (16)

    Ensemble (1) de conditionnement et de distribution d'un produit (P), notamment liquide, comprenant : a) un réservoir fermé (2) pour ledit produit constitué d'un corps à volume variable dont une extrémité (12) est fermée par une embase (16) rigide, cette embase comportant un fond transversal (20) traversé par une cheminée émergeante (18) formant une seule pièce avec l'embase, b) une pompe (26) disposée dans la cheminée, en communication avec le réservoir;
    caractérisé en ce que la paroi interne de ladite cheminée (18) comporte des moyens de fixation (52, 62, 72, 80, 18c, 18d) aptes à déformer, de manière permanente, une zone du corps (28) de pompe (26) pour assurer l'immobilisation de la pompe (26) dans la cheminée.         Assembly (1) for packaging and distributing a product (P), in particular liquid, comprising: a) a closed tank (2) for said product consisting of a variable volume body, one end (12) of which is closed by a rigid base (16), this base comprising a transverse bottom (20) crossed by an emerging chimney ( 18) forming a single piece with the base, b) a pump (26) arranged in the chimney, in communication with the tank;
    characterized in that the internal wall of said chimney (18) comprises fixing means (52, 62, 72, 80, 18c, 18d) capable of permanently deforming an area of the pump body (28) (26 ) to secure the pump (26) in the chimney.     Ensemble de conditionnement et de distribution selon la revendication 1, caractérisé en ce que l'immobilisation de la pompe (26) dans la cheminée est réalisée par déformation radiale du corps de pompe en regard desdits moyens de fixation.Packaging and distribution assembly according to claim 1, characterized in that the immobilization of the pump (26) in the chimney is produced by radial deformation of the pump body opposite said means of fixation. Ensemble de conditionnement et de distribution selon la revendication 2, caractérisé en ce que, ladite déformation radiale du corps de pompe est effectuée par un profil annulaire (62, 18c, 18d) situé au voisinage de l'une des extrémités dudit corps de pompe, de manière à ne pas gêner le fonctionnement de la pompe.Packaging and distribution assembly according to claim 2, characterized in that, said radial deformation of the pump body is carried out by an annular profile (62, 18c, 18d) located in the vicinity of one of the ends of said pump body, so as not to interfere with the operation of the pump. Ensemble de conditionnement et de distribution selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les moyens de fixation sont constitués par un bourrelet annulaire (18d) ménagé sur la paroi interne de la cheminée, apte à matricer radialement une zone annulaire (62, 28b) située sur le corps de pompe. Packaging and distribution assembly according to any one of Claims 1 to 3, characterized in that the fixing means consist by an annular bead (18d) formed on the internal wall of the chimney, suitable radially stamping an annular zone (62, 28b) located on the body of pump. Ensemble de conditionnement et de distribution selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il comporte, en outre, un bouton-poussoir (34) muni d'un orifice de distribution (38) et d'un moyen de raccordement (36) apte à mettre en communication la pompe avec l'orifice de distribution.Packaging and distribution assembly according to any one of Claims 1 to 4, characterized in that it further comprises a push button (34) provided with a dispensing orifice (38) and a connection means (36) able to put the pump in communication with the dispensing orifice. Ensemble de conditionnement et de distribution selon la revendication 3, caractérisé en ce que le profit est une arête (18d) formée sur une extrémité (18b) d'une portion tronconique à l'intérieur de la cheminée.Packaging and distribution assembly according to claim 3, characterized in that the profit is an edge (18d) formed on one end (18b) a tapered portion inside the chimney. Ensemble de conditionnement et de distribution selon la revendication 6, caractérisé en ce que la portion tronconique (18b) est de section croissante en direction du réservoir (2).Packaging and distribution assembly according to claim 6, characterized in that the frustoconical portion (18b) is of increasing section in tank direction (2). Ensemble de conditionnement et de distribution selon l'une quelconque des revendications 1 à 7, caractérisé en ce que ledit fond transversal (20) est raccordé à un bord cylindrique périphérique s'étendant au moins partiellement du côté opposé au réservoir, la cheminée présentant une hauteur au plus égale à la hauteur du bord périphérique (14).Packaging and distribution assembly according to any one of claims 1 to 7, characterized in that said transverse bottom (20) is connected to a peripheral cylindrical edge extending at least partially from the side opposite the tank, the chimney having a height at most equal to the height of the peripheral edge (14). Ensemble de conditionnement et de distribution selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le corps de pompe (26) est logée entièrement dans ladite cheminée (18).Packaging and distribution assembly according to any one of Claims 1 to 9, characterized in that the pump body (26) is housed entirely in said chimney (18). Ensemble de conditionnement et de distribution selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les moyens de fixation (62, 72, 18d) de la cheminée (18) assurent, en outre, en combinaison avec la zone déformée du corps de pompe, l'étanchéité du montage de la pompe.Packaging and distribution assembly according to any one of Claims 1 to 9, characterized in that the fixing means (62, 72, 18d) of the chimney (18) also provide, in combination with the deformed zone of the pump body, the tightness of the pump assembly. Ensemble de conditionnement et de distribution selon l'une quelconque des revendications précédentes, caractérisé en ce que la pompe (28) comporte, en outre, des moyens d'étanchéité (64) aptes à coopérer avec une zone interne de la cheminée (18) distincte des moyens de fixation (72).Packaging and distribution assembly according to any one of previous claims, characterized in that the pump (28) comprises, in in addition, sealing means (64) capable of cooperating with an internal zone of the chimney (18) separate from the fixing means (72). Ensemble de conditionnement et de distribution selon l'une quelconque des revendications 5 à 11, caractérisé en ce que le bouton-poussoir comporte une jupe externe (44) apte à coulisser à l'intérieur dudit bord périphérique (14a).Packaging and distribution assembly according to any one of Claims 5 to 11, characterized in that the push button has a outer skirt (44) capable of sliding inside said peripheral edge (14a). Ensemble de conditionnement et de distribution selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le réservoir (2) est une poche déformable.Packaging and distribution assembly according to any one of Claims 1 to 12, characterized in that the reservoir (2) is a pocket deformable. Ensemble de conditionnement et de distribution selon l'une quelconque des revendications 1 à 13, caractérisé en ce que le réservoir est formé par une enveloppe rigide cylindrique, dont l'extrémité opposée à l'embase est fermée par un piston suiveur.Packaging and distribution assembly according to any one of Claims 1 to 13, characterized in that the reservoir is formed by a rigid cylindrical casing, the end opposite to the base is closed by a follower piston. Ensemble de conditionnement et de distribution selon la revendication 13, caractérisé en ce que la poche est entourée d'une enceinte rigide (4) pourvue d'un orifice d'évent (10), cette enceinte étant fixée sur ladite embase (16).Packaging and distribution assembly according to claim 13, characterized in that the pocket is surrounded by a rigid enclosure (4) provided a vent orifice (10), this enclosure being fixed on said base (16). Utilisation d'un ensemble selon l'une quelconque des revendications 1 à 15, pour le conditionnement d'un produit cosmétique, notamment capillaire, pharmaceutique, ou dermo-pharmaceutique.Use of an assembly according to any one of Claims 1 to 15, for the packaging of a cosmetic product, in particular a hair product, pharmaceutical, or dermo-pharmaceutical.
    EP98403342A 1998-03-27 1998-12-30 Storage and dispensing device for a liquid product Expired - Lifetime EP0945184B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9803831A FR2776628B1 (en) 1998-03-27 1998-03-27 PACKAGING AND DISPENSING ASSEMBLY OF A LIQUID PRODUCT
    FR9803831 1998-03-27

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    EP0945184A1 true EP0945184A1 (en) 1999-09-29
    EP0945184B1 EP0945184B1 (en) 2004-02-25

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    EP (1) EP0945184B1 (en)
    JP (1) JP3095736B2 (en)
    KR (1) KR100312057B1 (en)
    CN (1) CN1102904C (en)
    AR (1) AR013025A1 (en)
    CA (1) CA2262135C (en)
    DE (1) DE69821912T2 (en)
    ES (1) ES2216258T3 (en)
    FR (1) FR2776628B1 (en)

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    Also Published As

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    CN1102904C (en) 2003-03-12
    ES2216258T3 (en) 2004-10-16
    AR013025A1 (en) 2000-11-22
    JP2000025861A (en) 2000-01-25
    CA2262135A1 (en) 1999-09-27
    KR100312057B1 (en) 2001-11-03
    KR19990077595A (en) 1999-10-25
    DE69821912T2 (en) 2005-01-05
    DE69821912D1 (en) 2004-04-01
    CN1230509A (en) 1999-10-06
    FR2776628A1 (en) 1999-10-01
    US6073805A (en) 2000-06-13
    EP0945184B1 (en) 2004-02-25
    CA2262135C (en) 2004-05-25
    FR2776628B1 (en) 2000-05-12
    JP3095736B2 (en) 2000-10-10

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