EP1153843B1 - Apparatus for delivering a composition with a concentration gradient - Google Patents

Apparatus for delivering a composition with a concentration gradient Download PDF

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Publication number
EP1153843B1
EP1153843B1 EP01400909A EP01400909A EP1153843B1 EP 1153843 B1 EP1153843 B1 EP 1153843B1 EP 01400909 A EP01400909 A EP 01400909A EP 01400909 A EP01400909 A EP 01400909A EP 1153843 B1 EP1153843 B1 EP 1153843B1
Authority
EP
European Patent Office
Prior art keywords
container
composition
orifice
concentration
air intake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01400909A
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German (de)
French (fr)
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EP1153843A1 (en
Inventor
Vincent De Laforcade
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
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LOreal SA
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Publication date
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Publication of EP1153843A1 publication Critical patent/EP1153843A1/en
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Classifications

    • 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
    • B05B11/0037—Containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • 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
    • B05B11/0078—Arrangements for separately storing several components
    • 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
    • B05B11/1081—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping

Definitions

  • the present invention relates to a device for packaging and distribution of a liquid composition according to the preamble of claim 1 containing at least one compound, the concentration varies over at least part of the range of use of the device.
  • the composition can be of very liquid to less liquid consistency, in particular in the form of a milk or an emulsion.
  • a composition comprising either a homogeneous phase or a plurality of separate phases.
  • each active has a determined concentration.
  • concentration values of each of the active ingredients are defined by the formulator once and for all. With each use, the distributed composition has the same concentrations.
  • a skin treatment based on cortisone usually requires a first phase of concentrated application high in cortisone. After a few days, depending on the type and severity of the condition, or depending on the patient's skin type, it is desirable gradually decrease the cortisone concentration, until it reaches a floor value at the end of treatment, significantly lower than that of the attack phase.
  • a packaging unique which can in particular be obtained by molding in one piece, and allowing the distribution of a liquid composition, the concentration of at least one compound contained in said liquid composition, varying with use, and authorizing at any time, in particular at the start of treatment, and this during a duration chosen at will, in particular according to the nature of the composition and circumstances surrounding the application, to stabilize the concentration of said composition.
  • a device for packaging and distribution of a liquid composition (C1) in particular cosmetic, pharmaceutical or dermatological, comprising: a) a first container containing said liquid composition; b) means capable of enabling dispensing a given volume of said liquid composition; c) means to selectively allow / prohibit an air intake inside the first container in response to distribution of said given volume; d) a second container containing a make-up composition (C2); and e) means, in particular under form of a siphon, suitable, in response to a depression inside the first container, to allow the passage of a volume of said makeup composition from the second container, to the first container so as to restore, at less in part, the pressure inside the first container.
  • a liquid composition in particular cosmetic, pharmaceutical or dermatological
  • the concentration of the composition dispensed is stable again, until the end of the distribution of the content of the device.
  • the composition is at fixed cortisone concentration, and relatively high.
  • a visual mark, of the graduated type can be provided on the first container (part of which may be transparent) so as to allow the user to visualize the quantity of composition actually distributed at high concentration, during the attack phase.
  • the cortisone concentration gradually decreases during a period determined in particular according to the volume of make-up composition, the quantity distributed during each application, and the frequency application.
  • the concentration of the composition is again stable, with a value significantly lower than the concentration value during the first phase.
  • the selective air intake means can comprise at least one orifice in communication with atmospheric pressure and opening inside the first container, means being provided for selectively closing / clearing said orifice.
  • Such means for selectively closing / clearing said orifice may include a member, in particular a sliding shutter, movable between a first position in which it sealingly seals said orifice, and a second position in which said orifice is released.
  • an air intake member is provided to allow entry in the second container an air volume corresponding substantially to the volume of distributed composition.
  • This return air element is necessary, in particular when the second container is in rigid or semi-rigid form.
  • the make-up composition is contained inside a flexible pocket, in particular in a metal / thermoplastic complex, the walls of which will be able sag on themselves in response to the loss of volume transferred from the second container to the first container. In the latter case, the air intake at the interior of the second container is not necessary.
  • the flexible pocket is contained in a rigid enclosure, it must be under pressure atmospheric so as to allow the deformation of the pocket.
  • the siphon constitutes a preferred embodiment of the invention in the since it authorizes the molding in one piece, of the device, without requiring additional valves, or other similar means, between the two containers.
  • composition C1 is distributed under pressure by means in particular a pumping member, such as a manually actuated pump.
  • the container may have deformable walls elastically, and to be surmounted by a valve, in particular in the form of a valve with unidirectional opening, the distribution of composition C1 being effected by pressing the walls of the first container so as to force the distribution of composition C1 through an outlet orifice on which the valve is mounted.
  • the walls thus deformed resume their initial configuration, either during the entry into the first container of a corresponding volume of composition make-up, or by suction of air through the air intake orifice when this one is released.
  • This second solution is not preferred, in particular when a precisely dosed distribution is desired.
  • the selective air intake opening inside of the first container can also be fitted with a one-way valve capable of open in response to a vacuum inside the first container so to allow an air intake in response to such a depression, and to oppose any untimely product release, especially in the event of overpressure inside of the first container.
  • the composition distributed in the open position of the air intake orifice, is at a fixed concentration.
  • the closed position of the orifice of air intake each time the first container is pumped, as long as it remains of the make-up composition in the second container, an equivalent amount of make-up composition contained in the second container is drawn into the first container, so that the volume of liquid composition in the first container does not vary.
  • each volume of makeup added to the first container will help decrease gradually the concentration of said compound in the liquid composition distributed.
  • each volume of composition booster in the first container will help increase gradually the concentration of said compound in the liquid composition distributed.
  • the concentration of liquid composition contained in the first container will stabilize, and reach a final value at most equal to the concentration of the make-up composition in the second container.
  • the final value of the concentration of liquid composition contained in the first container will be all the closer of the concentration of the make-up composition than the volume of the second container is large compared to the volume of the first container, or at least, compared to the volume of composition remaining in the first container when the orifice of air intake has been blocked.
  • said siphon-forming means comprise a conduit, one of which first end opens into the second container via a first orifice located near its bottom, and a second end of which opens into the first container via a second orifice located at a level lower than that of the first port.
  • said conduit has a portion located at a level higher than the maximum level of product in the second container.
  • the two compositions including the interface area, formed possibly an air volume, is generally located at the siphon, does not do not mix sensitively.
  • Such means can be arranged at the level of the duct forming siphon, and be in the form of a valve or a valve.
  • the siphon pipe has at its point the above, a portion on which it is of oblong section. Pliers, positioned on the device, facing said portion, crushes the conduit, so as to substantially prevent any migration from one composition to another.
  • Such pliers can be connected to a cap intended to cover so removable dispensing head. So, at the first use, by removing the cap, the user also removes the forceps, thereby authorizing the communication of the two containers.
  • one end of the siphon is free and closed by an appropriate plug.
  • the plug is removed, and the free end of the siphon is fitted in a corresponding portion of the device so as to restore the liquid communication between the two containers.
  • the distribution means consist of a pump manual actuation, an outlet orifice of the first container being closed with sealingly by a part, in particular an inlet duct, of said pump manually operated.
  • a pump can be connected to a dip tube whose a free end is located near the bottom of the first container.
  • the air intake member inside the second container is, if necessary, formed by an air intake orifice of said actuating pump manual, said air return port being in communication with said second container.
  • the manually operated pump can be mounted in a neck of the device, said neck opening out separately onto said outlet orifice of the first container, and on an intermediate zone in communication with said second container, the air intake member being in communication with said intermediate zone.
  • the maximum filling level of the first and / or second container is located below the highest point of the siphon.
  • the liquid composition is introduced, via the outlet, into the first container, up to a level of maximum filling, which is located below the highest point of the siphon, and preferably below the level of the air intake orifice.
  • the make-up composition is introduced into the second container via the zone intermediate, up to maximum filling. In doing so, a volume of air is enclosed in the siphon, and isolates the liquid composition of the first container from the make-up composition.
  • the two containers are filled from the same container (by example from the first container) of the same identical composition.
  • the maximum filling level of the first container is located preferably, below the level of the air intake opening, and above the highest point of the siphon.
  • the neck has a thread pitch capable of cooperating with a pitch of corresponding screw of a distributor head on which the pump is mounted.
  • the dispensing head can be removably capped with a cap.
  • the makeup composition in the second container is such that, in the closed position of the air intake orifice of the first container, the curve representing the concentration of at least one compound present in the liquid composition pumped from the first container, depending on the number of pumped doses, has a portion with a positive slope.
  • the compound can be a self-tanning active.
  • the makeup composition in the second container is such that, in the closed position of the air intake opening of the first container, the curve representing the concentration of at least one compound present in the composition liquid pumped from the first container, depending on the number of doses pumped, presents a portion having a negative slope.
  • the compound can be a sunscreen or a pharmaceutical compound, such as a corticosteroid.
  • the device 1 according to a mode of particular embodiment comprises a body 2, rigid or semi-rigid, the cross section of which transverse is elongated.
  • the body 2 is surmounted by a neck 3, one of which free edge 4 delimits an opening in which a pump is mounted manual actuation 5.
  • the neck 3 as well as the pump 5, are arranged along an axis X.
  • the pump 5 is surmounted by a dispensing head 6, comprising a portion axially movable 7, so as to allow actuation of the pump 5, and the outlet of the composition to be dispensed via an orifice 8.
  • the dispensing head 6 includes a thread (not shown) capable of cooperating with a thread corresponding provided on the outside surface of the neck 3.
  • the body 2 defines two volumes, defining a first container 11 intended for receive the composition to be dispensed C1, and a second container 12 intended for receive a make-up composition C2, capable of modifying the concentration of at least a compound of composition C1 contained in the first container.
  • the first container 11 comprises an outlet orifice 13 arranged along the axis X, and intended to receive in leaktight manner an inlet duct 14 of the pump 5.
  • the inlet conduit is extended by a dip tube 15, one free end of which is located substantially at the bottom of the first container 11.
  • the first container 11 has a transverse wall 17, into which the outlet orifice 13 opens.
  • a sliding shutter 101 is snap-fitted on said wall and can selectively occupy a low position in which the air intake orifice 100 is released or a high position in which the air intake orifice 100 is sealed.
  • the sliding movement of the shutter 101 is limited by an upper stop 103 and a lower stop 102.
  • the diameter of the orifice is of the order of a few 10 th of a millimeter.
  • the high position of the sliding shutter 101 corresponds in particular to the transport position, to the storage position, as well as to the position of distribution with variable concentration of the composition C1.
  • the lower position of the flap 101 corresponds to the distribution position with fixed concentration of the composition C1.
  • the sliding shutter 101 it is possible to use any mobile system, of any shape whatsoever, and passing from one position to another by any other type of movement, in particular by rotation or by pivot movement.
  • the second container 12 is disposed slightly offset axially at the above the first container 11, and is of volume substantially identical to the volume of the first container 11.
  • the second container 12 is in communication with an intermediate zone 18 located in the extension of the neck 3, above of the first container 11.
  • a portion of larger section 19 of the inlet duct 14 of the pump 5 is located inside said zone intermediate.
  • This portion of larger section of the conduit 14 is provided with a air return port 20 of the pump.
  • the air intake orifice communicates with the second container 12, and is isolated from the first container 11.
  • the maximum filling level of the second container is at level of the surface of the wall 17, facing the neck 3.
  • the first container 11 is connected to the second container via a siphon 30 formed by a conduit one end 31 of which is in communication with the second container 12 via an orifice 32 formed at the bottom of the second container 12.
  • the conduit forming siphon 30 has a first portion 33 rising over substantially the entire height of the body 2 of the device, up to a U-shaped portion, 34, which extends by a portion 35, descending over substantially the entire height of the body 2.
  • the highest point 39 of the siphon pipe 30 is located above the level maximum filling of the first container 11, and substantially at the same level than the maximum filling level of the second container 12.
  • the portion 35 is extends by a part folded at 90 °, 36 of which one end 37 communicates via an orifice 38 with the first container 11.
  • the orifice 38 is located below the orifice 32 for communication with the second container 12.
  • Junction zones 40 in the form of a thick wall are formed between the first container, the second container, and the different portions of the pipe forming a siphon 30.
  • the body of the container is obtained by molding in a single piece of a material such than polyethylene or polypropylene.
  • the siphon 30 presents in the vicinity of the top of the U, 34, a hollow section of shape oblong, which can be crushed by means of a removable clamp 41 connected via a cord 42, to a removable cap 43 intended to cover the head of distribution 6 between two uses.
  • the clamp 41 isolates hermetically the make-up composition C2 contained in the second container 12 of the liquid composition C1 contained in the first container 11.
  • the clamp 41 can be mounted before filling of the two containers 11, 12, between the filling of the first container 11 and filling the second container 12, or after filling the two containers 11, 12.
  • the composition C1 is introduced into the first container 11, via the orifice 13, and this, until reaching a maximum level located below the level of the orifice of air intake 100, the latter being, in any event, sealed in a sealed manner by the sliding shutter 101.
  • the composition C1 also rises in the portion 35 of the siphon 30, without however reaching the highest point 39 of the U-shaped portion, 34.
  • the clamp 41 is placed on the oblong section portion 45 of the trap 30 ( Figure 3B).
  • a rod angled filling is introduced into the second container 12 (FIG. 3C).
  • the make-up composition C2 is introduced into the second container 12, up to reach a level close to the maximum filling level of container 12.
  • the composition C2 also rises in the portion 33 of the siphon 30, preceded by a air volume 50.
  • the dispensing head 6 is screwed onto the neck 3 of the bottle, with the inlet duct 14 in sealed engagement inside the orifice 13 (see figures 1B and 2B).
  • the cap 43 (FIG. 2A) connected to the clamp 41 is positioned on the head 6. The device is thus ready for use.
  • FIG. 4A the flap slide 101 is in the low position so that the air intake opening 100 is cleared.
  • the volume of composition C1 distributed is replaced by a corresponding volume of air so that the equilibrium pressures are maintained.
  • the distributed composition C1 is of concentration fixed.
  • the level of product gradually decreases in the container 11, and remains unchanged in container 12.
  • the sliding shutter 101 is moved so as to occupy the high position. This position is shown in Figure 4B. In this position, the air return orifice 100 is closed.
  • each volume of composition C1 distributed by the pump 5 from the first container 11 is replaced by a corresponding volume of composition C2. It is then produces, as a function of the relative concentrations of compositions C1 and C2, a dilution or concentration effect of the composition distributed by the pump 5. Indeed, in this phase, the volume of composition C1 in the first container remains constant. This dilution or concentration effect is gradually in response to each pumping by means of pump 5.
  • the entire composition booster C2 has been transferred to the first container 11, so that the liquid composition C1 contained in the first container 11 is of concentration at most equal to the concentration of the make-up composition C2 in the second container.
  • the ratio of the volumes of the first and second containers is a factor determinant for the value of the final concentration of composition C1 in the first container. From this moment, at each pumping, the volume contained in the first container 11 decreases by an amount equal to the volume of the dose dispensed, and this until the first container 11 is completely emptied.
  • the concentration of composition C1 is constant. The length of this last phase is inversely proportional to the length of the phase during which pumping from the first container 11 is carried out with air intake.
  • the particular distribution process which has just been illustrated comprises three main phases: a first phase, in the lower position of the sliding shutter 101 and in which only composition C1 is distributed at a fixed concentration; a second phase, in the upper position of the flap 101, and in which is distributed a mixture of compositions C1 and C2, according to an increasing concentration or gradually decreasing; and a third phase in which the composition distributed is at constant concentration, which concentration is at most equal at the concentration of the make-up composition C2 initially present in the second container.
  • any other succession of sequences is possible, depending in particular on the type of application or the circumstances. So, it is possible to distribute the entire content of the device with the shutter sliding 101 in the high position, that is to say in the closed position of the orifice air intake 100. In this case, the concentration curve of the composition distributed will present a short stage with fixed concentration (corresponding to the priming phase of the siphon), a portion with progressive concentration or decreasing, and a final level with fixed concentration. Alternatively, in response to a change in the circumstances surrounding the application of the composition, it is possible to move the sliding shutter from the high position to the low position during the variable concentration distribution phase, so as to create a to compensate for concentration between two phases with variable concentration, etc.
  • each phase and in particular, the slope of the curve in the phase (s) with variable concentration, is adjusted as desired by appropriately choosing the main parameters of the device, that are in particular, the respective volumes of each container, the concentrations initials of each of compositions C1 and C2, the volume of the pumped dose, and the configuration of the siphon.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Package Specialized In Special Use (AREA)
  • Cosmetics (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Packages (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Description

La présente invention a trait à un dispositif permettant le conditionnement et la distribution d'une composition liquide selon le préambule de la revendication 1 contenant au moins un composé dont la concentration varie sur au moins une partie de la plage d'utilisation du dispositif. La composition peut être de consistance très liquide à moins liquide, notamment sous forme d'un lait ou d'une émulsion.The present invention relates to a device for packaging and distribution of a liquid composition according to the preamble of claim 1 containing at least one compound, the concentration varies over at least part of the range of use of the device. The composition can be of very liquid to less liquid consistency, in particular in the form of a milk or an emulsion.

Dans le domaine cosmétique en particulier, il est connu de conditionner dans un récipient adéquat, une composition comportant soit une phase homogène soit une pluralité de phases séparées. Dans ce dernier cas, après agitation du récipient, il y a mélange des phases, et obtention d'un mélange où chaque actif à une concentration déterminée. Les valeurs de concentration de chacun des actifs sont définies par le formulateur une fois pour toutes. A chaque utilisation, la composition distribuée présente les mêmes concentrations.In the cosmetic field in particular, it is known to package in a suitable container, a composition comprising either a homogeneous phase or a plurality of separate phases. In the latter case, after shaking the container, there has mixing phases, and obtaining a mixture where each active has a determined concentration. The concentration values of each of the active ingredients are defined by the formulator once and for all. With each use, the distributed composition has the same concentrations.

Or, dans le domaine de la cosmétique, ainsi que dans d'autres domaines tels que la pharmacie, ou la dermatologie, il pourrait être souhaitable de faire varier, de préférence de façon linéaire, la concentration d'au moins un actif entre le début et la fin du traitement. Il en va ainsi notamment d'une protection solaire pour les enfants qui, dans les premiers jours d'exposition doit être maximale, voire totale, puis, qui peut diminuer progressivement après quelques jours d'exposition. Il en est de même pour des produits contenant des actifs auto-bronzant, lesquels doivent avoir un effet très discret lors des premières utilisations, puis, de plus en plus prononcé après quelques utilisations. Il pourrait en être de même pour des produits amincissants lesquels pourraient avoir une action amincissante de plus en plus puissante au fil des utilisations. A titre d'exemple encore, peuvent être mentionnés certains traitements pour la peau ou pour le cuir chevelu, et qui, en raison de l'action agressive de certains composés qu'ils contiennent doivent être appliqués à concentration progressive, avant d'être à concentration finale stabilisée, de manière à permettre une poursuite du traitement avec une efficacité maximale. However, in the field of cosmetics, as well as in other fields such as pharmacy, or dermatology, it might be desirable to vary, preferably linearly, the concentration of at least one active ingredient between the start and the end of treatment. This is particularly the case for sun protection for children who, in the first days of exposure must be maximum, even total, then, which may gradually decrease after a few days of exposure. It the same is true for products containing self-tanning active ingredients, which must have a very discreet effect during the first uses, then, more and more more pronounced after a few uses. It could be the same for slimming products which could have one more slimming action more powerful over use. As an example again, can be mentioned certain treatments for the skin or for the scalp, and which, in because of the aggressive action of certain compounds they contain must be applied at progressive concentration, before being at final concentration stabilized, so that treatment can continue with efficiency Max.

Aujourd'hui, le changement de concentration implique un conditionnement séparé pour chacune des différentes concentrations. La multiplication dès conditionnements qui en résulte, interdit une utilisation grand public de ce type de traitements, lesquels sont réservés à l'utilisation dans les instituts de très haut de gamme. En outre, ce système n'autorise qu'un nombre limité de concentrations différentes.Today, the change in concentration involves separate packaging for each of the different concentrations. The multiplication from resulting packaging, prohibits general public use of this type of treatments, which are reserved for use in very high institutes of range. In addition, this system only allows a limited number of mergers different.

Quoi qu'il en soit, dans le cadre d'un tel processus de distribution d'une composition à concentration variable, il peut être souhaitable de pouvoir à tout moment du processus, en particulier en début de traitement, être en mesure pendant un certain temps, de garder la concentration de la composition à une valeur fixe, par exemple avec une forte concentration dans le cadre d'un traitement d'attaque. Ainsi, en dermatologie, un traitement cutané à base de cortisone requiert généralement une première phase d'application à concentration élevée en cortisone. Au bout de quelques jours, en fonction du type et de la gravité de l'affection, ou en fonction du type de peau du patient, il est souhaitable de diminuer progressivement la concentration en cortisone, jusqu'à ce que celle-ci atteigne une valeur plancher de fin du traitement, nettement plus faible que celle de la phase d'attaque.Anyway, as part of such a process of distributing a composition with variable concentration, it may be desirable to be able to moment of the process, especially at the start of treatment, be able to for a while, to keep the concentration of the composition at a fixed value, for example with a high concentration as part of a attack treatment. Thus, in dermatology, a skin treatment based on cortisone usually requires a first phase of concentrated application high in cortisone. After a few days, depending on the type and severity of the condition, or depending on the patient's skin type, it is desirable gradually decrease the cortisone concentration, until it reaches a floor value at the end of treatment, significantly lower than that of the attack phase.

Pour d'autres types d'application, au bout de quelques jours de distribution à concentration progressive ou dégressive, il peut être nécessaire de revenir à une concentration fixe, puis à nouveau de pouvoir reprendre le cycle à concentration variable.For other types of application, after a few days of distribution to progressive or degressive concentration, it may be necessary to return to a fixed concentration, then again to be able to resume the concentration cycle variable.

Aussi, est-ce un des objets de l'invention que de proposer, un conditionnement unique, pouvant notamment être obtenu de moulage d'une seule pièce, et permettant la distribution d'une composition liquide, la concentration d'au moins un composé contenu dans ladite composition liquide, variant au fil des utilisations, et autorisant à tout moment, en particulier en début de traitement, et ce pendant une durée choisie à volonté, notamment en fonction de la nature de la composition et des circonstances entourant l'application, de stabiliser la concentration de ladite composition. Also, is it one of the objects of the invention to propose, a packaging unique, which can in particular be obtained by molding in one piece, and allowing the distribution of a liquid composition, the concentration of at least one compound contained in said liquid composition, varying with use, and authorizing at any time, in particular at the start of treatment, and this during a duration chosen at will, in particular according to the nature of the composition and circumstances surrounding the application, to stabilize the concentration of said composition.

C'est encore un objet de l'invention, que de proposer un dispositif dans lequel une telle variation de la concentration est linéaire, au moins sur une partie de la plage d'utilisations.It is also an object of the invention to propose a device in which a such variation in concentration is linear, at least over part of the range of uses.

C'est encore un autre objet de l'invention que de fournir un tel dispositif de distribution qui autorise une telle variation de concentration, de manière croissante ou décroissante.It is yet another object of the invention to provide such a device for distribution which allows such a variation in concentration, increasingly or decreasing.

C'est encore un autre objet de l'invention que de fournir un dispositif simple d'utilisation, fiable, et économique à réaliser.It is yet another object of the invention to provide a simple device of use, reliable, and economical to carry out.

D'autres objets encore apparaítront dans la description détaillée qui suit.Other objects will appear in the detailed description which follows.

Selon l'invention, ces objets sont atteints en réalisant un dispositif pour le conditionnement et la distribution d'une composition liquide (C1), notamment cosmétique, pharmaceutique ou dermatologique, comprenant : a) un premier récipient contenant ladite composition liquide ; b) des moyens aptes à permettre la distribution d'un volume donné de ladite composition liquide ; c) des moyens pour sélectivement, autoriser/interdire une entrée d'air à l'intérieur du premier récipient en réponse à la distribution dudit volume donné ; d) un second récipient contenant une composition d'appoint (C2) ; et e) des moyens, notamment sous forme d'un siphon, aptes, en réponse à une dépression à l'intérieur du premier récipient, à permettre le passage d'un volume de ladite composition d'appoint depuis le second récipient, vers le premier récipient de manière à rétablir, au moins en partie, la pression à l'intérieur du premier récipient.According to the invention, these objects are achieved by producing a device for packaging and distribution of a liquid composition (C1), in particular cosmetic, pharmaceutical or dermatological, comprising: a) a first container containing said liquid composition; b) means capable of enabling dispensing a given volume of said liquid composition; c) means to selectively allow / prohibit an air intake inside the first container in response to distribution of said given volume; d) a second container containing a make-up composition (C2); and e) means, in particular under form of a siphon, suitable, in response to a depression inside the first container, to allow the passage of a volume of said makeup composition from the second container, to the first container so as to restore, at less in part, the pressure inside the first container.

Ainsi, quand la distribution d'une dose depuis le premier récipient, est compensée par un volume d'air correspondant, l'équilibre des pressions est maintenu à l'intérieur du dispositif. De ce fait, la composition d'appoint contenue dans le second récipient n'est pas aspirée dans le premier. De ce fait, lors du cycle de distribution suivant, la composition distribuée est à la même concentration que lors du cycle de distribution précédent. En revanche, lorsque l'on souhaite entamer le cycle de distribution à concentration variable, il suffit d'interdire l'entrée d'air à l'intérieur du premier récipient. De ce fait, le volume distribué sera compensé par un volume correspondant de la concentration d'appoint, modifiant en conséquence la concentration de la composition distribuée lors du cycle suivant. Une fois le contenu du second récipient épuisé, la concentration de la composition distribuée est à nouveau stable, et ce, jusqu'à la fin de la distribution du contenu du dispositif.So when the distribution of a dose from the first container is compensated by a corresponding volume of air, the pressure balance is maintained at inside the device. Therefore, the make-up composition contained in the second container is not drawn into the first. Therefore, during the following distribution, the composition distributed is at the same concentration as during from the previous distribution cycle. However, when you want to start the dispensing cycle with variable concentration, just prohibit the entry of air to inside the first container. As a result, the volume distributed will be offset by a corresponding volume of the make-up concentration, modifying accordingly the concentration of the composition distributed during the next cycle. Once the contents of the second container exhausted, the concentration of the composition dispensed is stable again, until the end of the distribution of the content of the device.

Ainsi, dans le cas d'un traitement cutané à la cortisone, lors d'une phase d'attaque, durant par exemple 8, 10 ou 12 jours, la composition est à concentration en cortisone fixe, et relativement élevée. Pour des raisons de sécurité, un repère visuel, de type à graduations, peut être prévu sur le premier récipient (dont une partie peut être transparente) de manière à permettre à l'utilisateur de visualiser la quantité de composition effectivement distribuée à forte concentration, lors de la phase d'attaque. Ensuite, au bout de cette première phase, la concentration en cortisone diminue progressivement pendant une période déterminée en fonction notamment du volume de composition d'appoint, de la quantité distribuée lors de chaque application, et de la fréquence d'application. Lors d'une phase d'entretien dont la longueur est inversement proportionnelle à la longueur de la première phase, la concentration de la composition est à nouveau stable, avec une valeur sensiblement plus faible que la valeur de la concentration lors de la première phase.Thus, in the case of a cortisone cutaneous treatment, during a phase attack, for example for 8, 10 or 12 days, the composition is at fixed cortisone concentration, and relatively high. For reasons of security, a visual mark, of the graduated type, can be provided on the first container (part of which may be transparent) so as to allow the user to visualize the quantity of composition actually distributed at high concentration, during the attack phase. Then, at the end of this first phase, the cortisone concentration gradually decreases during a period determined in particular according to the volume of make-up composition, the quantity distributed during each application, and the frequency application. During a maintenance phase whose length is inversely proportional to the length of the first phase, the concentration of the composition is again stable, with a value significantly lower than the concentration value during the first phase.

Les moyens de reprise d'air sélective peuvent comprendre au moins un orifice en communication avec la pression atmosphérique et débouchant à l'intérieur du premier récipient, des moyens étant prévus pour sélectivement obturer/dégager ledit orifice. De tels moyens pour sélectivement obturer/dégager ledit orifice peuvent comprendre un organe, notamment un volet coulissant, mobile entre une première position dans laquelle il obture de manière étanche ledit orifice, et une seconde position dans laquelle ledit orifice est dégagé.The selective air intake means can comprise at least one orifice in communication with atmospheric pressure and opening inside the first container, means being provided for selectively closing / clearing said orifice. Such means for selectively closing / clearing said orifice may include a member, in particular a sliding shutter, movable between a first position in which it sealingly seals said orifice, and a second position in which said orifice is released.

Avantageusement, un organe de reprise d'air est prévu pour autoriser l'entrée dans le second récipient d'un volume d'air correspondant sensiblement au volume de composition distribué. Cet organe de reprise d'air est nécessaire, notamment lorsque le second récipient est sous forme rigide ou semi rigide. Selon une alternative, la composition d'appoint est contenue à l'intérieur d'une poche souple, notamment en un complexe métal/thermoplastique, dont les parois vont pouvoir s'affaisser sur elles mêmes en réponse à la perte de volume transféré depuis le second récipient vers le premier récipient. Dans ce dernier cas, la reprise d'air à l'intérieur du second récipient n'est pas nécessaire. Néanmoins, si la poche souple est contenue dans une enceinte rigide, celle ci doit être à la pression atmosphérique de manière à autoriser la déformation de la poche.Advantageously, an air intake member is provided to allow entry in the second container an air volume corresponding substantially to the volume of distributed composition. This return air element is necessary, in particular when the second container is in rigid or semi-rigid form. According to one alternative, the make-up composition is contained inside a flexible pocket, in particular in a metal / thermoplastic complex, the walls of which will be able sag on themselves in response to the loss of volume transferred from the second container to the first container. In the latter case, the air intake at the interior of the second container is not necessary. However, if the flexible pocket is contained in a rigid enclosure, it must be under pressure atmospheric so as to allow the deformation of the pocket.

Le siphon constitue une forme de réalisation préférentielle de l'invention dans la mesure où il autorise la réalisation de moulage en une seule pièce, du dispositif, sans requérir de clapets additionnels, ou autres moyens similaires, entre les deux récipients.The siphon constitutes a preferred embodiment of the invention in the since it authorizes the molding in one piece, of the device, without requiring additional valves, or other similar means, between the two containers.

De préférence, la composition C1 est distribuée sous pression au moyen notamment d'un organe de pompage, tel qu'une pompe à actionnement manuel. Alternativement, le récipient peut comporter des parois déformables élastiquement, et être surmonté d'une valve, notamment sous forme d'un clapet à ouverture unidirectionnelle, la distribution de la composition C1 s'effectuant en pressant les parois du premier récipient de manière à forcer la distribution de composition C1 au travers d'un orifice de sortie sur lequel est montée le clapet. Les parois ainsi déformées reprennent leur configuration initiale, soit lors de l'entrée dans le premier récipient d'un volume correspondant de composition d'appoint, soit par aspiration d'air au travers de l'orifice de reprise d'air lorsque celui-ci est dégagé. Cette deuxième solution n'est pas préférée, en particulier lorsqu'une distribution dosée de façon précise est souhaitée.Preferably, composition C1 is distributed under pressure by means in particular a pumping member, such as a manually actuated pump. Alternatively, the container may have deformable walls elastically, and to be surmounted by a valve, in particular in the form of a valve with unidirectional opening, the distribution of composition C1 being effected by pressing the walls of the first container so as to force the distribution of composition C1 through an outlet orifice on which the valve is mounted. The walls thus deformed resume their initial configuration, either during the entry into the first container of a corresponding volume of composition make-up, or by suction of air through the air intake orifice when this one is released. This second solution is not preferred, in particular when a precisely dosed distribution is desired.

Notamment dans le cadre d'une configuration du type de celle qui vient d'être décrite dans le paragraphe précédent, l'orifice de reprise d'air sélective à l'intérieur du premier récipient peut également être équipé d'un clapet unidirectionnel apte à s'ouvrir en réponse à une dépression à l'intérieur du premier récipient de manière à autoriser une entrée d'air en réponse à une telle dépression, et à s'opposer à toute sortie de produit intempestive, notamment en cas de surpression à l'intérieur du premier récipient. In particular in the context of a configuration of the type which has just been described in the previous paragraph, the selective air intake opening inside of the first container can also be fitted with a one-way valve capable of open in response to a vacuum inside the first container so to allow an air intake in response to such a depression, and to oppose any untimely product release, especially in the event of overpressure inside of the first container.

Selon l'invention, en position ouverte de l'orifice de reprise d'air, la composition distribuée est à concentration fixe. En revanche, en position fermée de l'orifice de reprise d'air, à chaque pompage dans le premier récipient, et ce, tant qu'il subsiste de la composition d'appoint dans le second récipient, une quantité équivalente de composition d'appoint contenue dans le second récipient est aspirée dans le premier récipient, de sorte que le volume de composition liquide dans le premier récipient ne varie pas.According to the invention, in the open position of the air intake orifice, the composition distributed is at a fixed concentration. On the other hand, in the closed position of the orifice of air intake, each time the first container is pumped, as long as it remains of the make-up composition in the second container, an equivalent amount of make-up composition contained in the second container is drawn into the first container, so that the volume of liquid composition in the first container does not vary.

Dans l'hypothèse d'une composition d'appoint moins concentrée que la composition contenue initialement dans le premier récipient, chaque volume de composition d'appoint acheminé dans le premier récipient va contribuer à diminuer progressivement la concentration dudit composé dans la composition liquide distribuée.Assuming a make-up composition less concentrated than the composition initially contained in the first container, each volume of makeup added to the first container will help decrease gradually the concentration of said compound in the liquid composition distributed.

Dans l'hypothèse d'une composition d'appoint plus concentrée que la composition contenue initialement dans le premier récipient, chaque volume de composition d'appoint acheminé dans le premier récipient va contribuer à augmenter progressivement la concentration dudit composé dans la composition liquide distribuée.Assuming an additional composition more concentrated than the composition initially contained in the first container, each volume of composition booster in the first container will help increase gradually the concentration of said compound in the liquid composition distributed.

Après aspiration complète du contenu du second récipient, la concentration de la composition liquide contenue dans le premier récipient va se stabiliser, et atteindre une valeur finale au plus égale à la concentration de la composition d'appoint dans le second récipient. Dans la pratique, la valeur finale de la concentration de la composition liquide contenue dans le premier récipient sera d'autant plus proche de la concentration de la composition d'appoint que le volume du second récipient est grand par rapport au volume du premier récipient, ou du moins, par rapport au volume de composition restant dans le premier récipient au moment où l'orifice de reprise d'air a été obturé.After the contents of the second container have been completely aspirated, the concentration of liquid composition contained in the first container will stabilize, and reach a final value at most equal to the concentration of the make-up composition in the second container. In practice, the final value of the concentration of liquid composition contained in the first container will be all the closer of the concentration of the make-up composition than the volume of the second container is large compared to the volume of the first container, or at least, compared to the volume of composition remaining in the first container when the orifice of air intake has been blocked.

Avantageusement, lesdits moyens formant siphon comportent un conduit dont une première extrémité débouche dans le second récipient via un premier orifice situé au voisinage de son fond, et dont une seconde extrémité débouche dans le premier récipient via un second orifice situé à un niveau inférieur à celui du premier orifice. Avantageusement, ledit conduit présente une portion située à un niveau supérieur au niveau maximum de produit dans le second récipient.Advantageously, said siphon-forming means comprise a conduit, one of which first end opens into the second container via a first orifice located near its bottom, and a second end of which opens into the first container via a second orifice located at a level lower than that of the first port. Advantageously, said conduit has a portion located at a level higher than the maximum level of product in the second container.

En position de stockage ou de transport, en raison de l'équilibre des pressions à l'intérieur du dispositif, les deux compositions dont la zone d'interface, formée éventuellement d'un volume d'air, se situe généralement au niveau du siphon, ne se mélangent pas de manière sensible. Toutefois, il peut être souhaitable de prévoir des moyens pour, avant la première utilisation, maintenir isolée la composition liquide contenue dans le premier récipient, de la composition d'appoint. De tels moyens peuvent être disposés au niveau du conduit formant siphon, et se présenter sous forme d'une vanne ou d'un clapet. Selon un mode de réalisation avantageux, le conduit du siphon présente au niveau de son point le plus haut, une portion sur laquelle il est de section oblongue. Une pince, positionnée sur le dispositif, en regard de ladite portion, écrase le conduit, de manière à empêcher sensiblement toute migration d'une composition vers l'autre. Une telle pince peut être reliée à un capuchon destinée à recouvrir de manière amovible la tête de distribution. Ainsi, à la première utilisation, en enlevant le bouchon, l'utilisatrice enlève également la pince, autorisant ainsi la mise en communication des deux récipients.In the storage or transport position, due to the pressure balance at inside the device, the two compositions including the interface area, formed possibly an air volume, is generally located at the siphon, does not do not mix sensitively. However, it may be desirable to provide means to, before the first use, keep the liquid composition contained in the first container, of the composition extra. Such means can be arranged at the level of the duct forming siphon, and be in the form of a valve or a valve. According to a mode of advantageous embodiment, the siphon pipe has at its point the above, a portion on which it is of oblong section. Pliers, positioned on the device, facing said portion, crushes the conduit, so as to substantially prevent any migration from one composition to another. Such pliers can be connected to a cap intended to cover so removable dispensing head. So, at the first use, by removing the cap, the user also removes the forceps, thereby authorizing the communication of the two containers.

D'autres moyens encore peuvent être imaginés pour réaliser cette fonction. A titre d'exemple, il est possible de prévoir qu'en position de transport, une extrémité du siphon soit libre et obturée par un bouchon approprié. En vue de la première utilisation, le bouchon est enlevé, et l'extrémité libre du siphon est emmanchée dans une portion correspondante du dispositif de manière à rétablir la communication liquide entre les deux récipients.Still other means can be imagined to achieve this function. As for example, it is possible to provide that in the transport position, one end of the siphon is free and closed by an appropriate plug. In view of the first use, the plug is removed, and the free end of the siphon is fitted in a corresponding portion of the device so as to restore the liquid communication between the two containers.

De préférence, les moyens de distribution sont constitués d'une pompe à actionnement manuel, un orifice de sortie du premier récipient étant obturé de manière étanche par une partie, notamment un conduit d'entrée, de ladite pompe à actionnement manuel. Une telle pompe peut être reliée à un tube plongeur dont une extrémité libre est située au voisinage du fond du premier récipient. Preferably, the distribution means consist of a pump manual actuation, an outlet orifice of the first container being closed with sealingly by a part, in particular an inlet duct, of said pump manually operated. Such a pump can be connected to a dip tube whose a free end is located near the bottom of the first container.

De préférence encore, l'organe de reprise d'air à l'intérieur du second récipient est, le cas échéant, formé d'un orifice de reprise d'air de ladite pompe à actionnement manuel, ledit orifice de reprise d'air étant en communication avec ledit second récipient. A cet effet, la pompe à actionnement manuel peut être montée dans un col du dispositif, ledit col débouchant de manière séparée sur ledit orifice de sortie du premier récipient, et sur une zone intermédiaire en communication avec ledit second récipient, l'organe de reprise d'air étant en communication avec ladite zone intermédiaire.More preferably, the air intake member inside the second container is, if necessary, formed by an air intake orifice of said actuating pump manual, said air return port being in communication with said second container. For this purpose, the manually operated pump can be mounted in a neck of the device, said neck opening out separately onto said outlet orifice of the first container, and on an intermediate zone in communication with said second container, the air intake member being in communication with said intermediate zone.

De préférence, le niveau de remplissage maximal du premier et/ou du second récipient, est situé en dessous du point le plus haut du siphon. Ainsi, pour remplir le dispositif, on peut procéder de la manière suivante : la composition liquide est introduite, via l'orifice de sortie, dans le premier récipient, jusqu'à un niveau de remplissage maximal, lequel est situé en dessous du point le plus haut du siphon, et, de préférence, en dessous du niveau de l'orifice de reprise d'air. La composition d'appoint est introduite dans le second récipient via la zone intermédiaire, jusqu'à remplissage maximal. Ce faisant, un volume d'air est enfermé dans le siphon, et isole la composition liquide du premier récipient de la composition d'appoint.Preferably, the maximum filling level of the first and / or second container, is located below the highest point of the siphon. So, to fill the device, one can proceed as follows: the liquid composition is introduced, via the outlet, into the first container, up to a level of maximum filling, which is located below the highest point of the siphon, and preferably below the level of the air intake orifice. The make-up composition is introduced into the second container via the zone intermediate, up to maximum filling. In doing so, a volume of air is enclosed in the siphon, and isolates the liquid composition of the first container from the make-up composition.

Alternativement, les deux récipients sont remplis depuis le même récipient (par exemple depuis le premier récipient) d'une même composition identique. A cet effet, le niveau de remplissage maximal du premier récipient est situé de préférence, en dessous du niveau de l'orifice de reprise d'air, et au dessus du point le plus haut du siphon. Après cela, on introduit dans l'un ou l'autre des récipients, un "concentrât" apte à modifier les concentrations relatives de la composition liquide du premier récipient et de la composition d'appoint.Alternatively, the two containers are filled from the same container (by example from the first container) of the same identical composition. In this the maximum filling level of the first container is located preferably, below the level of the air intake opening, and above the highest point of the siphon. After that, we introduce into one or other of the containers, a "concentrate" capable of modifying the relative concentrations of the liquid composition of the first container and the makeup composition.

Avantageusement, le col présente un pas de vis apte à coopérer avec un pas de vis correspondant d'une tête de distribution sur laquelle est montée la pompe. La tête de distribution peut être coiffée de manière amovible d'un capuchon.Advantageously, the neck has a thread pitch capable of cooperating with a pitch of corresponding screw of a distributor head on which the pump is mounted. The dispensing head can be removably capped with a cap.

Selon un mode de réalisation, la composition d'appoint dans le second récipient est telle, que, en position obturée de l'orifice de reprise d'air du premier récipient, la courbe représentant la concentration d'au moins un composé présent dans la composition liquide pompée depuis le premier récipient, en fonction du nombre de doses pompées, présente une portion ayant une pente positive. Le composé peut être un actif auto bronzant.According to one embodiment, the makeup composition in the second container is such that, in the closed position of the air intake orifice of the first container, the curve representing the concentration of at least one compound present in the liquid composition pumped from the first container, depending on the number of pumped doses, has a portion with a positive slope. The compound can be a self-tanning active.

Alternativement, la composition d'appoint dans le second récipient est telle, que, en position obturée de l'orifice de reprise d'air du premier récipient, la courbe représentant la concentration d'au moins un composé présent dans la composition liquide pompée depuis le premier récipient, en fonction du nombre de doses pompées, présente une portion ayant une pente négative. Le composé peut être un filtre solaire ou un composé pharmaceutique, tel qu'un corticoïde.Alternatively, the makeup composition in the second container is such that, in the closed position of the air intake opening of the first container, the curve representing the concentration of at least one compound present in the composition liquid pumped from the first container, depending on the number of doses pumped, presents a portion having a negative slope. The compound can be a sunscreen or a pharmaceutical compound, such as a corticosteroid.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions qui seront explicitées ci-après, à propos d'exemples de réalisation non limitatifs, décrits en référence aux figures annexées, parmi lesquelles :

  • les figures 1A-1B illustrent une vue d'ensemble et une vue en coupe d'un premier mode de réalisation du dispositif selon l'invention ;
  • les figures 2A-2B illustrent une caractéristique avantageuse d'un mode de réalisation du dispositif selon l'invention ;
  • les figures 3A-3C illustrent un procédé de remplissage du dispositif illustré aux figures 2A-2B ; et
  • les figures 4A-4C illustrent les différentes phases d'utilisation du dispositif illustré aux figures 1A-1B.
The invention consists, apart from the arrangements set out above, of a certain number of other arrangements which will be explained below, with reference to nonlimiting exemplary embodiments, described with reference to the appended figures, among which:
  • Figures 1A-1B illustrate an overall view and a sectional view of a first embodiment of the device according to the invention;
  • FIGS. 2A-2B illustrate an advantageous characteristic of an embodiment of the device according to the invention;
  • Figures 3A-3C illustrate a method of filling the device illustrated in Figures 2A-2B; and
  • Figures 4A-4C illustrate the different phases of use of the device illustrated in Figures 1A-1B.

Ainsi que représenté aux figures 1A-1B, le dispositif 1 selon un mode de réalisation particulier comprend un corps 2, rigide ou semi rigide, dont la section transversale est de forme allongée. Le corps 2 est surmonté d'un col 3 dont un bord libre 4 délimite une ouverture dans laquelle est montée une pompe à actionnement manuel 5. Le col 3 ainsi que la pompe 5, sont disposés selon un axe X. La pompe 5 est surmontée d'une tête de distribution 6, comportant une portion mobile axialement 7, de manière à permettre l'actionnement de la pompe 5, et la sortie de la composition à distribuer via un orifice 8. La tête de distribution 6 comprend un filetage (non représenté) apte à coopérer avec un filetage correspondant prévu sur la surface extérieure du col 3.As shown in Figures 1A-1B, the device 1 according to a mode of particular embodiment comprises a body 2, rigid or semi-rigid, the cross section of which transverse is elongated. The body 2 is surmounted by a neck 3, one of which free edge 4 delimits an opening in which a pump is mounted manual actuation 5. The neck 3 as well as the pump 5, are arranged along an axis X. The pump 5 is surmounted by a dispensing head 6, comprising a portion axially movable 7, so as to allow actuation of the pump 5, and the outlet of the composition to be dispensed via an orifice 8. The dispensing head 6 includes a thread (not shown) capable of cooperating with a thread corresponding provided on the outside surface of the neck 3.

Le corps 2 définit deux volumes, définissant un premier récipient 11 destiné à recevoir la composition à distribuer C1, et un second récipient 12 destiné à recevoir une composition d'appoint C2, apte à modifier la concentration d'au moins un composé de la composition C1 contenue dans le premier récipient.The body 2 defines two volumes, defining a first container 11 intended for receive the composition to be dispensed C1, and a second container 12 intended for receive a make-up composition C2, capable of modifying the concentration of at least a compound of composition C1 contained in the first container.

Le premier récipient 11 comprend un orifice de sortie 13 disposé selon l'axe X, et destiné à recevoir de manière étanche un conduit d'entrée 14 de la pompe 5. Le conduit d'entrée se prolonge par un tube plongeur 15 dont une extrémité libre est située sensiblement au fond du premier récipient 11. Le premier récipient 11 présente une paroi transversale 17, dans laquelle débouche l'orifice de sortie 13.The first container 11 comprises an outlet orifice 13 arranged along the axis X, and intended to receive in leaktight manner an inlet duct 14 of the pump 5. The inlet conduit is extended by a dip tube 15, one free end of which is located substantially at the bottom of the first container 11. The first container 11 has a transverse wall 17, into which the outlet orifice 13 opens.

Au voisinage de sa partie supérieure, de préférence le plus près possible de la paroi transversale 17, la paroi du premier récipient 11 est percée d'un orifice 100 Un volet coulissant 101 est monté par encliquetage sur ladite paroi et peut sélectivement occuper une position basse dans laquelle l'orifice de reprise d'air 100 est dégagé ou une position haute dans laquelle l'orifice de reprise d'air 100 est obturé de manière étanche. Le mouvement coulissant du volet 101 est limité par une butée haute 103 et une butée basse 102. Le diamètre de l'orifice est de l'ordre de quelques 10emes de millimètre. La position haute du volet coulissant 101 correspond notamment à la position de transport, à la position de stockage, ainsi qu'à la position de distribution à concentration variable de la composition C1. La position basse du volet 101 correspond à la position de distribution à concentration fixe de la composition C1. Alternativement, au lieu et place du volet coulissant 101, il est possible d'utiliser tout système mobile, de quelque forme que ce soit, et passant d'une position à l'autre par tout autre type de mouvement, notamment par rotation ou par mouvement de pivot.In the vicinity of its upper part, preferably as close as possible to the transverse wall 17, the wall of the first container 11 is pierced with an orifice 100 A sliding shutter 101 is snap-fitted on said wall and can selectively occupy a low position in which the air intake orifice 100 is released or a high position in which the air intake orifice 100 is sealed. The sliding movement of the shutter 101 is limited by an upper stop 103 and a lower stop 102. The diameter of the orifice is of the order of a few 10 th of a millimeter. The high position of the sliding shutter 101 corresponds in particular to the transport position, to the storage position, as well as to the position of distribution with variable concentration of the composition C1. The lower position of the flap 101 corresponds to the distribution position with fixed concentration of the composition C1. Alternatively, instead of the sliding shutter 101, it is possible to use any mobile system, of any shape whatsoever, and passing from one position to another by any other type of movement, in particular by rotation or by pivot movement.

Le second récipient 12 est disposé de manière légèrement décalée axialement au dessus du premier récipient 11, et est de volume sensiblement identique au volume du premier récipient 11. Le second récipient 12 est en communication avec une zone intermédiaire 18 située dans le prolongement du col 3, au dessus du premier récipient 11. En position montée, une portion de plus grande section 19 du conduit d'entrée 14 de la pompe 5 se trouve à l'intérieur de ladite zone intermédiaire. Cette portion de plus grande section du conduit 14 est pourvue d'un orifice de reprise d'air 20 de la pompe. Ainsi, l'orifice de reprise d'air communique avec le second récipient 12, et est isolé du premier récipient 11. Selon ce mode de réalisation, le niveau de remplissage maximal du second récipient se situe au niveau de la surface de la paroi 17, tournée en regard du col 3.The second container 12 is disposed slightly offset axially at the above the first container 11, and is of volume substantially identical to the volume of the first container 11. The second container 12 is in communication with an intermediate zone 18 located in the extension of the neck 3, above of the first container 11. In the assembled position, a portion of larger section 19 of the inlet duct 14 of the pump 5 is located inside said zone intermediate. This portion of larger section of the conduit 14 is provided with a air return port 20 of the pump. Thus, the air intake orifice communicates with the second container 12, and is isolated from the first container 11. According to this mode of embodiment, the maximum filling level of the second container is at level of the surface of the wall 17, facing the neck 3.

Le premier récipient 11 est relié au second récipient via un siphon 30 formé d'un conduit dont une extrémité 31 est en communication avec le second récipient 12 via un orifice 32 ménagé au fond du second récipient 12. Le conduit formant siphon 30 présente une première portion 33 montant sur sensiblement toute la hauteur du corps 2 du dispositif, jusqu'à une portion en U, 34, laquelle se prolonge par une portion 35, descendant sur sensiblement toute la hauteur du corps 2. Le point le plus haut 39 du conduit formant siphon 30 est situé au dessus du niveau de remplissage maximal du premier récipient 11, et sensiblement au même niveau que le niveau de remplissage maximal du second récipient 12. La portion 35 se prolonge par une partie repliée à 90°, 36 dont une extrémité 37 communique via un orifice 38 avec le premier récipient 11. L'orifice 38 est situé en dessous de l'orifice 32 de communication avec le second récipient 12. Des zones de jonction 40, sous forme d'une paroi épaisse sont formées entre le premier récipient, le second récipient, et les différentes portions du conduit formant siphon 30.The first container 11 is connected to the second container via a siphon 30 formed by a conduit one end 31 of which is in communication with the second container 12 via an orifice 32 formed at the bottom of the second container 12. The conduit forming siphon 30 has a first portion 33 rising over substantially the entire height of the body 2 of the device, up to a U-shaped portion, 34, which extends by a portion 35, descending over substantially the entire height of the body 2. The highest point 39 of the siphon pipe 30 is located above the level maximum filling of the first container 11, and substantially at the same level than the maximum filling level of the second container 12. The portion 35 is extends by a part folded at 90 °, 36 of which one end 37 communicates via an orifice 38 with the first container 11. The orifice 38 is located below the orifice 32 for communication with the second container 12. Junction zones 40, in the form of a thick wall are formed between the first container, the second container, and the different portions of the pipe forming a siphon 30.

Le corps du récipient est obtenu de moulage en une seule pièce d'un matériau tel qu'un polyéthylène ou un polypropylène.The body of the container is obtained by molding in a single piece of a material such than polyethylene or polypropylene.

Selon le dispositif représenté aux figures 2A-2B, il apparaít que le siphon 30 présente au voisinage du sommet du U, 34, une section creuse de forme oblongue, laquelle peut être écrasée au moyen d'une pince amovible 41 reliée via un cordon 42, à un capuchon amovible 43 destinée à recouvrir la tête de distribution 6 entre deux utilisations. Ainsi montée, la pince 41 isole hermétiquement la composition d'appoint C2 contenue dans le second récipient 12 de la composition liquide C1 contenue dans le premier récipient 11. On réduit ainsi, les risques de migration intempestive d'une composition vers l'autre, notamment lors du transport du dispositif avant sa première utilisation. A la première utilisation, en retirant le capuchon 43, une traction est exercée sur la pince 41, laquelle est enlevée, ce qui contribue à rétablir la section creuse oblongue, apte à laisser passer le liquide. La pince 41 peut être montée avant remplissage des deux récipients 11, 12, entre le remplissage du premier récipient 11 et le remplissage du second récipient 12, ou après remplissage des deux récipients 11, 12.According to the device shown in Figures 2A-2B, it appears that the siphon 30 presents in the vicinity of the top of the U, 34, a hollow section of shape oblong, which can be crushed by means of a removable clamp 41 connected via a cord 42, to a removable cap 43 intended to cover the head of distribution 6 between two uses. Thus mounted, the clamp 41 isolates hermetically the make-up composition C2 contained in the second container 12 of the liquid composition C1 contained in the first container 11. We reduce thus, the risks of untimely migration from one composition to another, especially when transporting the device before its first use. To the first use, by removing the cap 43, traction is exerted on the clamp 41, which is removed, which helps restore the hollow section oblong, suitable for letting the liquid pass. The clamp 41 can be mounted before filling of the two containers 11, 12, between the filling of the first container 11 and filling the second container 12, or after filling the two containers 11, 12.

Pour remplir le dispositif qui vient d'être discuté en référence aux figures discutées ci-avant, on peut procéder de la manière illustrée aux figures 3A-3C. A la figure 3A, la composition C1 est introduite dans le premier récipient 11, via l'orifice 13, et ce, jusqu'à atteindre un niveau maximal situé en dessous du niveau de l'orifice de reprise d'air 100, ce dernier étant, quoi qu'il en soit, fermé de manière étanche par le volet coulissant 101. La composition C1 monte également dans la portion 35 du siphon 30, sans toutefois atteindre le point le plus haut 39 de la portion en U, 34. A ce moment, la pince 41 est mise en place sur la portion de section oblongue 45 du siphon 30 (figure 3B). Ensuite, via la zone intermédiaire 18, une canne de remplissage coudée est introduite dans le second récipient 12 (figure 3C). La composition d'appoint C2 est introduite dans le second récipient 12, jusqu'à atteindre un niveau proche du niveau de remplissage maximal du récipient 12. La composition C2 monte également dans la portion 33 du siphon 30, précédée d'un volume d'air 50. La tête de distribution 6 est vissée sur le col 3 du flacon, avec le conduit d'entrée 14 en engagement étanche à l'intérieur de l'orifice 13 (voir figures 1B et 2B). Le capuchon 43 (figure 2A) relié à la pince 41 est positionné sur la tête de distribution 6. Le dispositif est ainsi prêt à l'emploi.To complete the device which has just been discussed with reference to the figures discussed above, we can proceed as illustrated in FIGS. 3A-3C. In the figure 3A, the composition C1 is introduced into the first container 11, via the orifice 13, and this, until reaching a maximum level located below the level of the orifice of air intake 100, the latter being, in any event, sealed in a sealed manner by the sliding shutter 101. The composition C1 also rises in the portion 35 of the siphon 30, without however reaching the highest point 39 of the U-shaped portion, 34. A at this moment, the clamp 41 is placed on the oblong section portion 45 of the trap 30 (Figure 3B). Then, via the intermediate zone 18, a rod angled filling is introduced into the second container 12 (FIG. 3C). The make-up composition C2 is introduced into the second container 12, up to reach a level close to the maximum filling level of container 12. The composition C2 also rises in the portion 33 of the siphon 30, preceded by a air volume 50. The dispensing head 6 is screwed onto the neck 3 of the bottle, with the inlet duct 14 in sealed engagement inside the orifice 13 (see figures 1B and 2B). The cap 43 (FIG. 2A) connected to the clamp 41 is positioned on the head 6. The device is thus ready for use.

Les différentes phases d'utilisation d'un tel dispositif, selon un processus de distribution particulier, sont représentées aux figures 4A-4C. A la figure 4A, le volet coulissant 101 est en position basse de sorte que l'orifice de reprise d'air 100 est dégagé. A chaque actionnement de la pompe 5, le volume de composition C1 distribué est remplacé par un volume d'air correspondant de sorte que l'équilibre des pressions est maintenu. La composition distribuée C1 est de concentration fixe. Le niveau de produit diminue progressivement dans le récipient 11, et reste inchangé dans le récipient 12. The different phases of using such a device, according to a process particular distribution, are shown in Figures 4A-4C. In FIG. 4A, the flap slide 101 is in the low position so that the air intake opening 100 is cleared. On each actuation of the pump 5, the volume of composition C1 distributed is replaced by a corresponding volume of air so that the equilibrium pressures are maintained. The distributed composition C1 is of concentration fixed. The level of product gradually decreases in the container 11, and remains unchanged in container 12.

Au bout d'un certain temps, le volet coulissant 101 est déplacé de manière à occuper la position haute. Cette position est représentée à la figure 4B. Dans cette position, l'orifice de reprise d'air 100 est obturé. En réponse à la dépression générée dans le premier récipient 11, après un ou plusieurs pompages (en fonction du volume de composition C1 présent initialement dans la portion 35 du siphon 30, du volume d'air éventuellement prisonnière entre C1 et C2 à l'intérieur du siphon 30, et du volume de la dose pompée par la pompe 5) nécessaires pour que la composition C2 commence effectivement à entrer dans le premier récipient 11, chaque volume de composition C1 distribué par la pompe 5 depuis le premier récipient 11, est remplacé par un volume correspondant de composition C2. Il se produit alors, en fonction des concentrations relatives des compositions C1 et C2, un effet de dilution ou de concentration de la composition distribuée par la pompe 5. En effet, dans cette phase, le volume de composition C1 dans le premier récipient reste constant. Cet effet de dilution ou de concentration se fait de manière progressive en réponse à chaque pompage au moyen de la pompe 5.After a certain time, the sliding shutter 101 is moved so as to occupy the high position. This position is shown in Figure 4B. In this position, the air return orifice 100 is closed. In response to depression generated in the first container 11, after one or more pumps (in function of the volume of composition C1 initially present in portion 35 of the siphon 30, the air volume possibly trapped between C1 and C2 inside siphon 30, and the volume of the dose pumped by the pump 5) necessary for that composition C2 actually begins to enter the first container 11, each volume of composition C1 distributed by the pump 5 from the first container 11 is replaced by a corresponding volume of composition C2. It is then produces, as a function of the relative concentrations of compositions C1 and C2, a dilution or concentration effect of the composition distributed by the pump 5. Indeed, in this phase, the volume of composition C1 in the first container remains constant. This dilution or concentration effect is gradually in response to each pumping by means of pump 5.

A la figure 4C, après un certain nombre de pompages, toute la composition d'appoint C2 a été transférée dans le premier récipient 11, de sorte que la composition liquide C1 contenue dans le premier récipient 11 est de concentration au plus égale à la concentration de la composition d'appoint C2 dans le second récipient. Le rapport des volumes des premier et second récipients est un facteur déterminant pour la valeur de la concentration finale de la composition C1 dans le premier récipient. A partir de ce moment, à chaque pompage, le volume contenu dans le premier récipient 11 diminue d'une quantité égale au volume de la dose distribuée, et ce, jusqu'à vidange complète du premier récipient 11. Pendant cette dernière phase, la concentration de la composition C1 est constante. La longueur de cette dernière phase est inversement proportionnelle à la longueur de la phase au cours de laquelle le pompage depuis le premier récipient 11 s'effectue avec reprise d'air.In FIG. 4C, after a certain number of pumps, the entire composition booster C2 has been transferred to the first container 11, so that the liquid composition C1 contained in the first container 11 is of concentration at most equal to the concentration of the make-up composition C2 in the second container. The ratio of the volumes of the first and second containers is a factor determinant for the value of the final concentration of composition C1 in the first container. From this moment, at each pumping, the volume contained in the first container 11 decreases by an amount equal to the volume of the dose dispensed, and this until the first container 11 is completely emptied. During this last phase, the concentration of composition C1 is constant. The length of this last phase is inversely proportional to the length of the phase during which pumping from the first container 11 is carried out with air intake.

Ainsi, le processus de distribution particulier qui vient d'être illustré comprend trois phases principales : une première phase, en position basse du volet coulissant 101 et dans laquelle, seule la composition C1 est distribuée à concentration fixe ; une seconde phase, en position haute du volet 101, et dans laquelle est distribué un mélange des compositions C1 et C2, selon une concentration augmentant ou diminuant progressivement ; et une troisième phase dans laquelle la composition distribuée est à concentration constante, laquelle concentration est au plus égale à la concentration de la composition d'appoint C2 présente initialement dans le second récipient.Thus, the particular distribution process which has just been illustrated comprises three main phases: a first phase, in the lower position of the sliding shutter 101 and in which only composition C1 is distributed at a fixed concentration; a second phase, in the upper position of the flap 101, and in which is distributed a mixture of compositions C1 and C2, according to an increasing concentration or gradually decreasing; and a third phase in which the composition distributed is at constant concentration, which concentration is at most equal at the concentration of the make-up composition C2 initially present in the second container.

Il est évident qu'avec un tel dispositif, toute autre succession de séquences est possible, en fonction notamment du type d'application ou des circonstances. Ainsi, il est possible de distribuer la totalité du contenu du dispositif avec le volet coulissant 101 en position haute, c'est à dire en position obturée de l'orifice de reprise d'air 100. Dans ce cas, la courbe de concentration de la composition distribuée présentera un court pallier à concentration fixe (correspondant à la phase d'amorçage du siphon), une portion à concentration progressive ou dégressive, et un pallier final à concentration fixe. Alternativement, en réponse à une modification des circonstances entourant l'application de la composition, il est possible de faire passer le volet coulissant de la position haute à la position basse lors de la phase de distribution à concentration variable, de manière à créer un pallier de concentration entre deux phases à concentration variable, etc..It is obvious that with such a device, any other succession of sequences is possible, depending in particular on the type of application or the circumstances. So, it is possible to distribute the entire content of the device with the shutter sliding 101 in the high position, that is to say in the closed position of the orifice air intake 100. In this case, the concentration curve of the composition distributed will present a short stage with fixed concentration (corresponding to the priming phase of the siphon), a portion with progressive concentration or decreasing, and a final level with fixed concentration. Alternatively, in response to a change in the circumstances surrounding the application of the composition, it is possible to move the sliding shutter from the high position to the low position during the variable concentration distribution phase, so as to create a to compensate for concentration between two phases with variable concentration, etc.

La longueur relative de chacune des phases, et en particulier, la pente de la courbe dans la (ou les) phase(s) à concentration variable, est ajustée à volonté en choisissant de manière appropriée les principaux paramètres du dispositif, que sont notamment, les volumes respectifs de chaque récipient, les concentrations initiales de chacune des compositions C1 et C2, le volume de la dose pompée, et la configuration du siphon.The relative length of each phase, and in particular, the slope of the curve in the phase (s) with variable concentration, is adjusted as desired by appropriately choosing the main parameters of the device, that are in particular, the respective volumes of each container, the concentrations initials of each of compositions C1 and C2, the volume of the pumped dose, and the configuration of the siphon.

Dans la description détaillée qui précède, il a été fait référence à des modes de réalisation préférés de l'invention. Il est évident que des variantes peuvent y être apportées sans s'écarter de l'invention telle que revendiquée ci-après.In the foregoing detailed description, reference has been made to modes of preferred embodiments of the invention. Obviously there may be variations made without departing from the invention as claimed below.

Claims (16)

  1. Device (1) for packaging and dispensing a liquid composition (C1), particularly a cosmetic, pharmaceutical or dermatological composition, comprising: a first container (11) containing the said liquid composition (C1); means (5) capable of allowing a given volume of the said liquid composition (C1) to be dispensed; a second container (12) containing a top-up composition (C2); characterized in that the device comprises means (100, 101) for selectively allowing or preventing the entry of air into the first container in response to the dispensing of the said given volume and means, particularly in the form of a siphon (30) capable, in response to a depression inside the first container, of allowing a volume of the said top-up composition (C2) to pass from the second container (12) to the first container (11) so as to at least partially re-establish the pressure inside the first container (11).
  2. Device according to Claim 1, characterized in that the said selective air intake means comprise at least one orifice (100) in communication with atmospheric pressure and opening into the first container (11), means (101) being provided for selectively shutting off or uncovering the said orifice (100).
  3. Device according to Claim 2, characterized in that the means (101) for selectively shutting off or uncovering the said orifice (100) comprise a member, particularly a sliding shutter (101), that can move between a first position in which it seals off the said orifice (100) and a second position in which the said orifice (100) is uncovered.
  4. Device according to any one of Claims 1 to 3, characterized in that it comprises an air intake member (20) for allowing a volume of air roughly corresponding to the dispensed volume of composition (C1) to enter the second container (12).
  5. Device (1) according to any one of Claims 1 to 4, characterized in that the said means forming a siphon (30) comprise a duct, a first end (31) of which opens into the second container (12) via a first orifice (32) located near its bottom, and a second end (37) of which opens into the first container (11) via a second orifice (38) located at a level below that of the first orifice (32).
  6. Device (1) according to any one of Claims 1 to 5, characterized in that the maximum fill level of the first container (11) and/or the maximum fill level of the second container (12) are located below the uppermost point (39) of the siphon (30).
  7. Device according to any one of Claims 1 to 5, characterized in that the maximum fill level of the first container (11) and/or the maximum fill level of the second container (12) are situated above the uppermost point (39) of the siphon (30).
  8. Device according to any one of Claims 1 to 7, characterized in that the dispensing means (5) consist of a manually operated pump (5), an outlet orifice (13) of the first container (11) being sealed off by part (14) of the said manually operated pump (5).
  9. Device according to Claim 8, characterized in that the pump (5) is connected to a dip tube (15), a free end of which is located near the bottom of the first container (11).
  10. Device according to Claims 4 and 8 or 9, characterized in that the air intake member is formed by an air intake orifice (20) of the said manually operated pump (5), the said air intake orifice (20) being in communication with the said second container (12).
  11. Device according to Claim 10, characterized in that the manually operated pump (5) is mounted in a neck (3) of the device, the said neck (3) opening separately onto the said outlet orifice (13) of the first container (11) and onto an intermediate zone (18) in communication with the said second container (12), the air intake member (20) being in communication with the said intermediate zone (18).
  12. Device according to any one of Claims 8 to 11, characterized in that the neck (3) has a screw thread designed to collaborate with a corresponding screw thread on a dispensing head (6) on which the pump (5) is mounted.
  13. Device according to any one of Claims 1 to 12, characterized in that means (41) are provided for forming a removable barrier, prior to first use, between the liquid composition (C1) of the first container and the top-up composition (C2).
  14. Device according to any one of Claims 1 to 13, characterized in that the top-up composition (C2) in the second container (12) is such that the curve representing the concentration of at least one compound present in the liquid composition pumped from the first container (11) as a function of the number of doses pumped has a portion with a positive slope when composition is dispensed from the first container without air being taken into the first container (11).
  15. Device according to any one of Claims 1 to 13, characterized in that the top-up composition (C2) in the second container (12) is such that the curve representing the concentration of at least one compound present in the liquid composition pumped from the first container (11) as a function of the number of doses pumped has a portion with a negative slope when composition is dispensed from the first container without air being taken into the first container (11).
  16. Device according to any one of the preceding claims, characterized in that the said compound is a compound forming a sunscreen, or a cosmetic, pharmaceutical or dermatological active ingredient.
EP01400909A 2000-05-10 2001-04-09 Apparatus for delivering a composition with a concentration gradient Expired - Lifetime EP1153843B1 (en)

Applications Claiming Priority (2)

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FR0005951A FR2808784B1 (en) 2000-05-10 2000-05-10 DEVICE FOR DISPENSING A COMPOSITION WITH A CONCENTRATION GRADIENT
FR0005951 2000-05-10

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EP (1) EP1153843B1 (en)
JP (1) JP3558607B2 (en)
CN (1) CN1125670C (en)
AR (1) AR029076A1 (en)
AT (1) ATE246128T1 (en)
BR (1) BR0101906A (en)
CA (1) CA2347055C (en)
DE (1) DE60100522T2 (en)
ES (1) ES2203582T3 (en)
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KR102383616B1 (en) * 2020-09-10 2022-04-14 주식회사 삼화 Container for spraying liquid
KR102403988B1 (en) * 2020-10-05 2022-06-02 주식회사 삼화 Container for spraying liquid
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Also Published As

Publication number Publication date
FR2808784A1 (en) 2001-11-16
FR2808784B1 (en) 2002-07-26
CA2347055A1 (en) 2001-11-10
MXPA01004654A (en) 2004-09-10
US20020005412A1 (en) 2002-01-17
CN1125670C (en) 2003-10-29
ATE246128T1 (en) 2003-08-15
JP3558607B2 (en) 2004-08-25
JP2002000703A (en) 2002-01-08
CN1322664A (en) 2001-11-21
EP1153843A1 (en) 2001-11-14
CA2347055C (en) 2005-07-12
US6427870B2 (en) 2002-08-06
AR029076A1 (en) 2003-06-04
BR0101906A (en) 2001-12-26
DE60100522D1 (en) 2003-09-04
DE60100522T2 (en) 2004-06-03
ES2203582T3 (en) 2004-04-16

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