EP3953054B1 - Refillable fluid product dispenser - Google Patents

Refillable fluid product dispenser Download PDF

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Publication number
EP3953054B1
EP3953054B1 EP20725787.4A EP20725787A EP3953054B1 EP 3953054 B1 EP3953054 B1 EP 3953054B1 EP 20725787 A EP20725787 A EP 20725787A EP 3953054 B1 EP3953054 B1 EP 3953054B1
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EP
European Patent Office
Prior art keywords
reservoir
dispenser
valve
elastically deformable
deformable wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20725787.4A
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German (de)
French (fr)
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EP3953054A1 (en
Inventor
stéphane Beranger
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.)
Aptar France SAS
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Aptar France SAS
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Publication date
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Publication of EP3953054A1 publication Critical patent/EP3953054A1/en
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Publication of EP3953054B1 publication Critical patent/EP3953054B1/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
    • B05B11/0056—Containers with an additional opening for filling or refilling
    • 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

Definitions

  • the present invention relates to a refillable fluid dispenser comprising a dispensing head comprising a pump, a variable volume reservoir and a filling valve connected to the reservoir.
  • a dispensing head comprising a pump, a variable volume reservoir and a filling valve connected to the reservoir.
  • the preferred field of application of the present invention is that of perfumery, cosmetics or even pharmacy.
  • This type of refillable dispenser is often referred to as a "nomadic" dispenser. It generally has a low capacity reservoir of the order of 10 ml at most.
  • EP1588775 which describes a refillable dispenser comprising a pump, a fixed barrel, and a sliding member comprising a movable piston capable of sliding in the fixed barrel to vary the volume of the reservoir and a filling valve mounted on the movable piston to fill the reservoir in fluid product.
  • This refillable dispenser is adapted to be mounted on a source bottle which comprises a connection rod capable of coming into engagement with the movable member so as to force the filling valve into the open state.
  • the mobile piston is placed close to the pump and its downward movement by pulling on the connecting rod of the source bottle, creates a depression inside the reservoir, so that fluid product from the source bottle is drawn into the reservoir through the filling valve forced open.
  • the connecting rod detaches from the sliding member so that the filling valve can return to its closed rest position.
  • the reservoir of the refillable dispenser is then once again filled with fluid product, and the user can use it by simply pressing the button of the pump, in an entirely traditional manner.
  • the refillable document dispenser EP1588775 is refillable by pulling, i.e. by grasping the dispenser refillable and pulling it upwards away from the source bottle, and finally detaching it.
  • it is necessary to keep the nomadic bottle resting on the pump of the source bottle in order to keep the top valve of the pump of the source bottle in the open position. This antagonistic gesture of maintaining support towards the source bottle and stretching the syringe upwards is not ergonomic and can lead to degrading the filling process of the nomad.
  • refillable dispenser of this document is that it is possible to use the refillable dispenser while it is mounted on the source bottle, due to the direct connection between the pump and the stem. connection without going through the refillable dispenser tank.
  • the document EP2335833 describes a refillable dispenser comprising a reservoir in the form of a bellows, a filling valve, a pump and a rod for expelling air from the bellows through the actuated pump.
  • the air is evacuated from the reservoir by reducing its volume by pressing on a wall (bottom of the bellows) and the product is sucked through the filling valve by increasing the volume of the reservoir.
  • the two operations are not simultaneous. Normally the user does not have to use the rod, as the bellows should retract on its own without letting any air in. Evacuating the air is an exceptional purge operation, in case air has entered the bellows during filling.
  • the bellows is placed in a fixed shell, the bottom of which is provided with a housing for the rod and with a passage hole to reach the bellows with the rod.
  • the user cannot know that the hull contains a bellows and a rod, the function of which is not obvious at all.
  • the clapper filling is arranged laterally and remains permanently visible. This gives this dispenser a particularly unattractive technical aspect.
  • the aim of the present invention is to define a refillable dispenser whose gestures for refilling are simpler, more intuitive or more obvious for an uninformed user.
  • Another object of the present invention is to be able to refill the refillable dispenser using a standard source bottle equipped with a conventional valve stem, unlike the source bottle of the document EP1588775 .
  • Yet another object of the present invention is to seek a variable-volume reservoir architecture which generates or imposes a different handling gesture.
  • Another object is to dispense with the mobile piston, which is a source of leakage.
  • the case thus avoids accidental actuation of the elastically deformable wall.
  • the unsightly technical elements, such as the valves, as well as the elastically deformable wall are hidden, thus giving the dispenser a classic appearance with a dispensing head mounted on a conventional reservoir.
  • the removable case of the invention allows the user to understand intuitively that it is necessary to operate the deformable wall to fill the tank.
  • the vent valve of the invention is separate from the pump.
  • the tank works like a real pump.
  • the reservoir comprises, close to the venting valve, a floating shutter which floats on the surface of the fluid product and which closes off the passage of fluid product towards the venting valve, when the reservoir is filled with product. fluid.
  • the fluid product is prevented from leaking through the vent valve.
  • the distributor is quite logically refilled in the vertical position with the distribution head at the top and the vent valve at the bottom. Therefore, when the tank reaches its maximum filling, the floating shutter is pushed against a sealed seat, so that the fluid can no longer reach the vent valve. It is therefore possible that the elastically deformable wall does not return to its rest position when the reservoir is completely filled. It will only regain it when the user activates the dispensing head pump, allowing communication to be established between the tank and the outside.
  • the displacement of the elastically deformable wall, between the rest position and the depressed position can set a pump volume that is more than 1/5 of the maximum tank volume, preferably 1/4, and preferably 1/3 of the maximum tank volume, so that the tank is filled with three to five actuations of the elastically deformable wall.
  • the tank can then be refilled quickly.
  • vent valve is separate from the pump and is mounted on a rigid part of the tank.
  • the elastically deformable wall is arranged axially between the filling valve and the venting valve.
  • the filling valve is located at the bottom of the reservoir, opposite the pump.
  • the tank then has a conventional elongated configuration.
  • the reservoir may comprise two rigid parts connected by a flexible part forming the elastically deformable wall.
  • the filling valve and the venting valve are respectively mounted on the two rigid parts.
  • the reservoir may comprise a one-piece body on which the filling valve and the venting valve are mounted.
  • the one-piece body can form the elastically deformable wall.
  • the one-piece body can comprise at least one window which is covered by a flexible membrane forming the elastically deformable wall.
  • the filling valve defines an axis of movement of the valve and the elastically deformable wall defines an axis of movement of the wall, the axes possibly being substantially perpendicular or parallel.
  • the elastically deformable wall can take the form of a bellows.
  • the spirit of the present invention resides in the fact of giving the reservoir of the dispenser a pump function, with an inlet (or filling) valve, a venting (or air outlet) valve and an actuator in the form of an elastically deformable wall.
  • the refillable dispenser comprises a dispensing head T and a reservoir R1 which are associated to together form the dispenser.
  • the head dispensing head T can be an entirely conventional dispensing head with a pump.
  • a pump In the case of a pump, it comprises a body defining a fluid inlet which is provided with a dip tube Pt.
  • the pump also comprises an actuating rod (not shown) on which is mounted a push-button B.
  • the push-button B By pressing the push-button B, the fluid product is put under pressure in a chamber defined inside the body.
  • the push-button B can define a dispensing orifice B1 through which the fluid product discharged out of the chamber is dispensed in the form of a spray, a jet or drops.
  • a fixing member F which holds the body fixedly and which hooks onto a neck 11 of the reservoir R1.
  • the dispenser is also equipped with a case E which envelops the reservoir R1 and a cover K which covers the push button B and the fixing ring F.
  • the cover K is removably mounted on the case E.
  • the distributor can be completely extracted from the case E and the cover K.
  • Reservoir R1 includes a filling valve C through which the reservoir can be filled or recharged.
  • This filling valve C is arranged at the bottom of the tank. It comprises a movable valve member C1 which rests in a leaktight manner at rest on a valve seat.
  • the filling valve C is a hydraulic or differential valve, in the sense that it opens with the pressure of the product, and not mechanically.
  • the filling valve C is preferably arranged in the lower part of the reservoir R1.
  • Reservoir R1 also includes a vent valve V which allows the air present in the R1 tank to escape, to make room for the fluid product sucked into the reservoir through the filling valve C.
  • the venting valve V comprises a moving valve member, which may be substantially similar or identical to the moving member C1 of the filling valve C. At rest, the vent valve V is closed.
  • Reservoir R1 may also include a floating shutter O which makes it possible to shut off the passage of fluid product to venting valve V. It will be described in more detail below.
  • the reservoir R1 comprises a rigid one-piece body 10 of substantially tubular shape.
  • the one-piece body 10 forms a neck 11 which receives the dispenser member P on the inside and the fixing ring F on the outside.
  • the one-piece body 10 is closed off by the filling valve C.
  • the one-piece body 10 also forms the seat for the vent valve V and the closing seat for the floating shutter O.
  • the one-piece body 10 also comprises one or more window(s) 14.
  • the one-piece body 10 comprises two opposite windows 14, the diameter of which can correspond to one third or one quarter of the axial height of the body 10. Each window 14 can extend practically over half the periphery of the tubular body 10.
  • Reservoir R1 also comprises an elastically deformable membrane 16 which envelops at least a part of one-piece body 10, at the level of windows 14.
  • Elastically deformable membrane 16 can for example be molded onto rigid one-piece body 10.
  • the two windows 14 are covered by part of the membrane 16 and can be deformed towards the inside of the tank so as to reduce its useful volume.
  • the membrane parts 16 covering the windows 14 form elastically deformable walls 17 which can be brought closer together, for example by grasping them between the thumb and index finger, while the three other fingers of the hand can grip the bottom of the R1 tank.
  • the depression of the walls 17 has the effect of expelling air through the venting valve V, then to bring in air through the filling valve C when the walls 17 return to their initial rest position.
  • the pumping volume defined by the deformable actuation walls 17 between their initial rest positions and their fully depressed positions can correspond to one-fifth of the total volume of reservoir R1, or even to one-quarter of the volume, and even to one-third of the volume.
  • the reservoir R1 behaves like a pump with an inlet or filling valve C and an outlet or venting valve V and an actuation member in the form of two elastically deformable walls 17.
  • a source S is required, which may be in the form of a conventional dispenser, preferably having a reservoir with a capacity greater than that of reservoir R1.
  • This source S comprises a push button Bs by which it is possible to actuate the pump Sp of the source S and thus distribute the fluid product. This is shown on the figure 6a .
  • the first step consists in removing the push button Bs from the source S in order to disengage or unmask the valve stem S1, as visible on the figure 6b .
  • the second step consists in attaching the distributor D1 to the source S by engaging the valve stem S1 at the inlet of the filling valve C, as shown in the figure 6c .
  • the next step is to push in the valve stem S1 of the source S using the filling valve C of the distributor D1. This has the effect of injecting a dose of fluid product into the reservoir R1 through the actuating rod S1.
  • the volume of fluid product injected into the reservoir R1 can have the effect of expelling a substantially corresponding dose of air through the venting valve V. Since the actuating rod S1 remains depressed, the source S remains in communication with the tank R1, with however the filling valve C which has returned to its closed rest position.
  • the next step is to push the elastically deformable walls 17 of the reservoir R1, while the distributor D1 is still supported on the rod actuation S1 of the source S.
  • the depression of the walls 17 has the effect of reducing the useful volume of the reservoir R1, and consequently of expelling the air which it contains through the venting valve V which is forced open.
  • the filling valve C is for its part pressed in the closed state by the overpressure prevailing in the reservoir R1.
  • the last step consists in releasing the pressure exerted on the walls 17, as represented on the figure 6f , which has the effect of creating a vacuum inside the reservoir R1, which closes the venting valve V and opens the filling valve C. Fluid coming from the source S can thus be sucked into the reservoir R1.
  • the sucked product comes directly from the reservoir of the source S and is routed through the dip tube and the pump which is maintained with its outlet valve in the open state.
  • the quantity of fluid product sucked into the reservoir can correspond to a fifth, a quarter, or even a third of the maximum volume of the reservoir R1.
  • the reservoir R1 can be filled.
  • the distributor can then be removed from the source S and be replaced in its case E and capped with its cover K.
  • its push button Bs can be put back in place on the valve stem S1.
  • FIG 7a corresponds to the figure 6c : the filling valve C is attached to the valve rod or actuating rod S1 of the source S without pushing it down.
  • the pump Sp of the source S is at rest, as are the filling S and venting valves V, closed in the state of rest.
  • figure 7b corresponds to the figure 6d .
  • the actuating rod F1 has just been pushed in by pressing the filling valve C.
  • a dose of fluid delivered by the pump Sp pushes the moving member C1 of the filling valve C to the open state.
  • the fluid product can thus penetrate inside the reservoir R1.
  • the air present in the reservoir R1 is discharged through the vent valve V, which is forced open by the pressurized air.
  • the vent valve V which is forced open by the pressurized air.
  • the two check valves filling C and venting V close.
  • the actuating rod S1 remains in the depressed state. This is shown on the figure 7c .
  • There figure 7d corresponds to the figure 6e .
  • the elastically deformable walls 17 are depressed, thus generating an overpressure inside the tank R1, which has the effect of pressing the movable member C1 against its seat and opening the vent valve V. Air is expelled through the vent valve V.
  • the figure 7e corresponds to the figure 6f .
  • the axis of movement Y of the elastically deformable walls 17 is perpendicular to the axis of movement X of the valve stem S1 and of the filling valve C. This is particularly advantageous, since the user can one hand press the distributor D on the valve stem S1 and operate the walls 17 using his thumb and index finger.
  • tank R1 is not yet full. Its upper part is therefore filled with air, so that the obturator O is subjected to gravity. It communicates with the vent valve V via a small chamber 13 which upstream forms a seat 130 for the floating ball O. Downstream, it forms one or more outlet passage(s) 120 which are bordered by an annular seat 12 against which the vent valve V comes into sealed contact in the rest position, as shown in the figure 9a .
  • the air is expelled around the floating ball O, since it is not resting on its seat 130, through the chamber 13, then through the passages 120, to push back the vent valve V in away from his seat 12. This is shown in the figure 9b . This is what happens when the R1 tank is not completely filled.
  • the floating shutter O is an optional feature of the invention, but makes it possible to completely fill the reservoir R1 without risk of leakage through the venting valve V. Of course, it is possible and even frequent for the floating shutter O comes into sealed contact with its seat 130, while the walls 17 have not returned to their initial rest positions. They will thus remain depressed until the first actuation of the push button B which will allow air to enter the interior of the tank through the dispenser P.
  • THE figures 10, 11 and 12 represent three other embodiments for a tank according to the invention.
  • the dispensing head may be strictly identical to that of the first embodiment.
  • the reservoir R2 comprises two rigid parts 20 and 21 of substantially tubular shape.
  • the upper part 21 is a part forming the neck on which the dispensing head T is mounted.
  • the upper part 21 also receives the vent valve V and forms its seat.
  • the lower part 20 receives the filling valve C.
  • the lower 20 and upper 21 parts are connected together by a sleeve 22 which is made of an elastically deformable material.
  • This sleeve 22 comprises two sealed connection endpieces 23 and 24, respectively connected to the upper part 21 and to the lower part 20. Between these two connection endpieces 23 and 24, the sleeve 22 forms an elastically deformable wall 27, for example under the shape of a bulb of revolution.
  • the user has not even oriented the distributor D2 to press optimally on the wall 27, given that the latter is of revolution.
  • the axis of displacement Y of the wall 27 is perpendicular to the axis longitudinal X of the distributor D2 which coincides with the axis of movement of the push button B and of the filling valve C.
  • the R3 tank of the figure 11 comprises a one-piece body 30 of generally cylindrical shape, which forms at its upper end a neck 31 for mounting the dispensing head T. Below the neck 31, the one-piece body 30 forms a seat 32 for the vent valve V , as well as a seat 33 for the floating shutter O. Next, the one-piece body 30 forms a long flexible tube which will serve as an elastically deformable wall 37.
  • the filling valve C is mounted at the free lower end of this tube soft.
  • the elastically deformable wall 37 extends over most of the height of the reservoir R3, so that the user does not need to be extremely precise in applying his pressure in order to fill The reservoir.
  • the axis of movement Y of the wall 37 is also perpendicular to the axis of movement X of the push button B and of the filling valve C.
  • the R4 tank of the figure 12 also comprises two rigid parts 40 and 41 which may be identical or similar to those of reservoir R2 of the figure 10 .
  • the upper part 41 forms a neck and receives the vent valve V.
  • the lower part 40 receives the filling valve C.
  • the two rigid parts 40 and 41 are connected together by a bellows 42 forming two sealed connection endpieces 43 and 44 , respectively for the upper rigid part 41 and the lower rigid part 40.
  • This bellows 42 forms an elastically deformable wall 47, the axis of movement of which coincides with the axis X. In other words, the two rigid parts 40 and 41 move towards/away when the wall 47 is deformed.
  • the reservoir of the refillable dispenser comprises an elastically deformable wall which makes it possible to vary the useful volume of the reservoir, so as to first expel the air it contains in order to then suck up fluid product from the reservoir. 'a source.
  • the dispenser is protected inside a case, which prevents or avoids any accidental actuation of the elastically deformable wall and which also conceals the filling valve and the venting valve.
  • the floating shutter O is advantageous, but not essential. It may be noted that all the reservoirs have a conventional elongated configuration with the vent valve at the neck, the filling valve at the bottom and the deformable wall arranged axially between the two valves.

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Description

La présente invention concerne un distributeur de produit fluide rechargeable comprenant une tête de distribution comprenant une pompe un réservoir de volume variable et un clapet de remplissage connecté au réservoir. Le domaine d'application privilégié de la présente invention est celui de la parfumerie, de la cosmétique ou encore de la pharmacie. Ce type de distributeur rechargeable est souvent désigné sous le terme de distributeur « nomade ». Il présente en général un réservoir de faible contenance de l'ordre de 10 ml au plus.The present invention relates to a refillable fluid dispenser comprising a dispensing head comprising a pump, a variable volume reservoir and a filling valve connected to the reservoir. The preferred field of application of the present invention is that of perfumery, cosmetics or even pharmacy. This type of refillable dispenser is often referred to as a "nomadic" dispenser. It generally has a low capacity reservoir of the order of 10 ml at most.

Dans l'art antérieur, on connaît le document EP1588775 qui décrit un distributeur rechargeable comprenant une pompe, un fût fixe, et un organe coulissant comprenant un piston mobile apte à coulisser dans le fût fixe pour faire varier le volume du réservoir et un clapet de remplissage monté sur le piston mobile pour remplir le réservoir en produit fluide. Ce distributeur rechargeable est adapté à être monté sur un flacon source qui comprend une tige de connexion apte à venir en prise avec l'organe mobile de manière à forcer le clapet de remplissage à l'état ouvert. Lorsque le réservoir du distributeur rechargeable est vide, le piston mobile est disposé à proximité de la pompe et son déplacement vers le bas en tirant sur la tige de connexion du flacon source, crée une dépression à l'intérieur du réservoir, de sorte que du produit fluide provenant du flacon source est aspiré à l'intérieur du réservoir à travers le clapet de remplissage forcé à l'état ouvert. Lorsque le piston mobile arrive en butée contre l'extrémité inférieure du fût fixe, la tige de connexion se détache de l'organe coulissant de sorte que le clapet de remplissage peut revenir dans sa position de repos fermée. Le réservoir du distributeur rechargeable est alors à nouveau rempli de produit fluide, et l'utilisateur peut s'en servir en appuyant simplement sur le poussoir de la pompe, de manière tout à fait traditionnelle.In the prior art, the document is known EP1588775 which describes a refillable dispenser comprising a pump, a fixed barrel, and a sliding member comprising a movable piston capable of sliding in the fixed barrel to vary the volume of the reservoir and a filling valve mounted on the movable piston to fill the reservoir in fluid product. This refillable dispenser is adapted to be mounted on a source bottle which comprises a connection rod capable of coming into engagement with the movable member so as to force the filling valve into the open state. When the reservoir of the refillable dispenser is empty, the mobile piston is placed close to the pump and its downward movement by pulling on the connecting rod of the source bottle, creates a depression inside the reservoir, so that fluid product from the source bottle is drawn into the reservoir through the filling valve forced open. When the movable piston comes into abutment against the lower end of the fixed barrel, the connecting rod detaches from the sliding member so that the filling valve can return to its closed rest position. The reservoir of the refillable dispenser is then once again filled with fluid product, and the user can use it by simply pressing the button of the pump, in an entirely traditional manner.

Par conséquent, le distributeur rechargeable du document EP1588775 est rechargeable par traction, c'est-à-dire en saisissant le distributeur rechargeable et en le tirant vers le haut pour l'éloigner du flacon source, et finalement le détacher. Au préalable, il est bien entendu nécessaire de rapporter le distributeur rechargeable vide sur le flacon source jusqu'à ce que la tige de connexion vienne en prise avec l'organe coulissant qui forme le piston mobile supportant le clapet de remplissage. De ce fait, la gestuelle nécessaire pour le rechargement de ce distributeur n'est pas intuitive ou évidente. De plus, il est nécessaire de maintenir le flacon nomade en appui sur la pompe du flacon source afin de maintenir en position ouverte le clapet haut de la pompe du flacon source. Cette gestuelle antagoniste de maintien en appui vers le flacon source et d'étirement de la seringue vers le haut n'est pas ergonomique et peut conduire à dégrader le processus de remplissage du nomade.Therefore, the refillable document dispenser EP1588775 is refillable by pulling, i.e. by grasping the dispenser refillable and pulling it upwards away from the source bottle, and finally detaching it. Beforehand, it is of course necessary to attach the empty refillable dispenser to the source bottle until the connection rod comes into engagement with the sliding member which forms the movable piston supporting the filling valve. Therefore, the gesture necessary for reloading this distributor is not intuitive or obvious. In addition, it is necessary to keep the nomadic bottle resting on the pump of the source bottle in order to keep the top valve of the pump of the source bottle in the open position. This antagonistic gesture of maintaining support towards the source bottle and stretching the syringe upwards is not ergonomic and can lead to degrading the filling process of the nomad.

Il faut également remarquer qu'une autre caractéristique du distributeur rechargeable de ce document est qu'il est possible de se servir du distributeur rechargeable alors qu'il est monté sur le flacon source, du fait de la liaison directe entre la pompe et la tige de connexion sans passer par le réservoir du distributeur rechargeable.It should also be noted that another characteristic of the refillable dispenser of this document is that it is possible to use the refillable dispenser while it is mounted on the source bottle, due to the direct connection between the pump and the stem. connection without going through the refillable dispenser tank.

Le document EP2335833 décrit un distributeur rechargeable comprenant un réservoir sous la forme d'un soufflet, un clapet de remplissage, une pompe et une tigelle pour expulser l'air du soufflet à travers la pompe actionnée. Ainsi, l'air est évacué du réservoir en diminuant son volume par appui sur une paroi (fond du soufflet) et le produit est aspiré à travers le clapet de remplissage en augmentant le volume du réservoir. Les deux opérations ne sont pas simultanées. Normalement, l'utilisateur n'a pas à utiliser la tigelle, car le soufflet devrait se rétracter de lui-même sans laisser entrer d'air. L'évacuation de l'air est une opération de purge exceptionnelle, au cas où de l'air serait rentré dans le soufflet lors du remplissage. D'autre part, dans ce distributeur, le soufflet est disposé dans une coque fixe dont le fond est pourvu d'un logement pour la tigelle et d'un trou de passage pour atteindre le soufflet avec la tigelle. L'utilisateur ne peut pas savoir que la coque contient un soufflet et une tigelle, dont la fonction n'est pas évidente du tout. De plus, le clapet de remplissage est disposé latéralement et reste visible en permanence. Ceci confère à ce distributeur un aspect technique particulièrement inesthétique.The document EP2335833 describes a refillable dispenser comprising a reservoir in the form of a bellows, a filling valve, a pump and a rod for expelling air from the bellows through the actuated pump. Thus, the air is evacuated from the reservoir by reducing its volume by pressing on a wall (bottom of the bellows) and the product is sucked through the filling valve by increasing the volume of the reservoir. The two operations are not simultaneous. Normally the user does not have to use the rod, as the bellows should retract on its own without letting any air in. Evacuating the air is an exceptional purge operation, in case air has entered the bellows during filling. On the other hand, in this distributor, the bellows is placed in a fixed shell, the bottom of which is provided with a housing for the rod and with a passage hole to reach the bellows with the rod. The user cannot know that the hull contains a bellows and a rod, the function of which is not obvious at all. In addition, the clapper filling is arranged laterally and remains permanently visible. This gives this dispenser a particularly unattractive technical aspect.

La présente invention a pour but de définir un distributeur rechargeable dont la gestuelle pour le rechargement est plus simple, plus intuitive ou plus évidente pour un utilisateur non averti. Un autre but de la présente invention est pouvoir recharger le distributeur rechargeable à l'aide d'un flacon source standard équipé d'une tige de soupape classique, contrairement au flacon source du document EP1588775 . Encore un autre but de la présente invention est de rechercher une architecture de réservoir à volume variable qui engendre ou impose une gestuelle de manipulation différente. Un autre but est de se passer du piston mobile, qui est une source de fuite.The aim of the present invention is to define a refillable dispenser whose gestures for refilling are simpler, more intuitive or more obvious for an uninformed user. Another object of the present invention is to be able to refill the refillable dispenser using a standard source bottle equipped with a conventional valve stem, unlike the source bottle of the document EP1588775 . Yet another object of the present invention is to seek a variable-volume reservoir architecture which generates or imposes a different handling gesture. Another object is to dispense with the mobile piston, which is a source of leakage.

Pour ce faire, la présente invention propose un distributeur de produit fluide rechargeable comprenant :

  • une tête de distribution comprenant une pompe,
  • un réservoir de volume variable, et
  • un clapet de remplissage connecté au réservoir, le clapet de remplissage s'ouvrant et se fermant en réponse à une variation de pression du produit fluide,
  • le réservoir comprenant :
    • une paroi élastiquement déformable entre une position de repos définissant un volume maximal pour le réservoir et une position déformée définissant un volume minimal pour le réservoir, et
    • un clapet d'éventation permettant à l'air de sortir du réservoir lorsque l'on déforme la paroi élastiquement déformable à partir de la position de repos, le clapet de remplissage s'ouvrant et le clapet d'éventation se fermant lorsque la paroi élastiquement déformable retourne élastiquement vers sa position de repos, créant ainsi une dépression dans le réservoir,
  • le réservoir étant disposé dans un étui amovible, qui masque la paroi élastiquement déformable ainsi que les clapets de remplissage et d'éventation.
To do this, the present invention proposes a refillable fluid dispenser comprising:
  • a dispensing head comprising a pump,
  • a variable volume tank, and
  • a filling valve connected to the reservoir, the filling valve opening and closing in response to a variation in pressure of the fluid product,
  • the tank comprising:
    • an elastically deformable wall between a rest position defining a maximum volume for the reservoir and a deformed position defining a minimum volume for the reservoir, and
    • a venting valve allowing the air to leave the tank when the elastically deformable wall is deformed from the rest position, the filling valve opening and the venting valve closing when the elastically deformable wall deformable elastically returns to its rest position, thus creating a depression in the tank,
  • the reservoir being arranged in a removable case, which hides the elastically deformable wall as well as the filling and venting valves.

L'étui évite ainsi un actionnement accidentel de la paroi élastiquement déformable. De plus, les éléments techniques inesthétiques, comme les clapets, ainsi que la paroi élastiquement déformable, sont cachés, conférant ainsi au distributeur un aspect classique avec une tête de distribution montée sur un réservoir conventionnel. Par rapport au document EP2335833 , dont la coque est fixe et le soufflet masqué, l'étui amovible de l'invention permet à l'utilisateur de comprendre intuitivement qu'il faut actionner la paroi déformable pour remplir le réservoir. De plus, le clapet d'éventation de l'invention est distinct de la pompe.The case thus avoids accidental actuation of the elastically deformable wall. In addition, the unsightly technical elements, such as the valves, as well as the elastically deformable wall, are hidden, thus giving the dispenser a classic appearance with a dispensing head mounted on a conventional reservoir. Compared to the document EP2335833 , whose shell is fixed and the bellows hidden, the removable case of the invention allows the user to understand intuitively that it is necessary to operate the deformable wall to fill the tank. In addition, the vent valve of the invention is separate from the pump.

L'utilisateur appuie sur la paroi élastiquement déformable pour chasser l'air du réservoir à travers le clapet d'éventation, puis relâche sa pression pour laisser la paroi élastiquement déformable retourner à sa position de repos, ce qui crée une dépression à l'intérieur du réservoir, qui ferme le clapet d'éventation et ouvre le clapet de remplissage pour laisser entrer le produit fluide de la source par aspiration. Ainsi, le réservoir fonctionne comme une véritable pompe.The user presses on the elastically deformable wall to expel the air from the tank through the vent valve, then releases his pressure to let the elastically deformable wall return to its rest position, which creates a vacuum inside of the reservoir, which closes the venting valve and opens the filling valve to let in the fluid product from the source by suction. Thus, the tank works like a real pump.

Selon une caractéristique avantageuse, le réservoir comprend, à proximité du clapet d'éventation, un obturateur flottant qui flotte à la surface du produit fluide et qui obture le passage de produit fluide vers le clapet d'éventation, lorsque le réservoir est rempli de produit fluide. Ainsi, on empêche le produit fluide de fuir à travers le clapet d'éventation. En effet, le distributeur est fort logiquement rechargé en position vertical avec la tête de distribution en haut et le clapet d'éventation en bas. De ce fait, lorsque le réservoir arrive à son remplissage maximal, l'obturateur flottant est poussé contre un siège étanche, de sorte que le produit fluide ne peut plus atteindre le clapet d'éventation. Il est donc possible que la paroi élastiquement déformable ne regagne pas sa position de repos lorsque le réservoir est complètement rempli. Il ne la regagnera que lorsque l'utilisateur va actionner la pompe de la tête de distribution, permettant d'établir une communication entre le réservoir et l'extérieur.According to an advantageous characteristic, the reservoir comprises, close to the venting valve, a floating shutter which floats on the surface of the fluid product and which closes off the passage of fluid product towards the venting valve, when the reservoir is filled with product. fluid. Thus, the fluid product is prevented from leaking through the vent valve. Indeed, the distributor is quite logically refilled in the vertical position with the distribution head at the top and the vent valve at the bottom. Therefore, when the tank reaches its maximum filling, the floating shutter is pushed against a sealed seat, so that the fluid can no longer reach the vent valve. It is therefore possible that the elastically deformable wall does not return to its rest position when the reservoir is completely filled. It will only regain it when the user activates the dispensing head pump, allowing communication to be established between the tank and the outside.

Selon un autre aspect de l'invention, le déplacement de la paroi élastiquement déformable, entre la position de repos et la position enfoncée, peut définir un volume de pompage qui correspond à plus de 1/5 du volume maximal du réservoir, avantageusement à 1/4, et de préférence à 1/3 du volume maximal du réservoir, de sorte que le réservoir est rempli avec trois à cinq actionnements de la paroi élastiquement déformable. Le réservoir peut alors être rechargé rapidement.According to another aspect of the invention, the displacement of the elastically deformable wall, between the rest position and the depressed position, can set a pump volume that is more than 1/5 of the maximum tank volume, preferably 1/4, and preferably 1/3 of the maximum tank volume, so that the tank is filled with three to five actuations of the elastically deformable wall. The tank can then be refilled quickly.

Avantageusement, le clapet d'éventation est distinct de la pompe et est monté sur une partie rigide du réservoir.Advantageously, the vent valve is separate from the pump and is mounted on a rigid part of the tank.

Avantageusement, la paroi élastiquement déformable est disposée axialement entre le clapet de remplissage et le clapet d'éventation.Advantageously, the elastically deformable wall is arranged axially between the filling valve and the venting valve.

Avantageusement, le clapet de remplissage est situé au fond du réservoir, à l'opposé de la pompe.Advantageously, the filling valve is located at the bottom of the reservoir, opposite the pump.

Le réservoir présente alors une configuration allongée classique.The tank then has a conventional elongated configuration.

Selon un mode de réalisation, le réservoir peut comprendre deux parties rigides reliées par une partie souple formant la paroi élastiquement déformable. Avantageusement, le clapet de remplissage et le clapet d'éventation sont respectivement montés sur les deux parties rigides.According to one embodiment, the reservoir may comprise two rigid parts connected by a flexible part forming the elastically deformable wall. Advantageously, the filling valve and the venting valve are respectively mounted on the two rigid parts.

Selon un autre mode de réalisation, le réservoir peut comprendre un corps monobloc sur lequel sont montés le clapet de remplissage et le clapet d'éventation. Avantageusement, le corps monobloc peut former la paroi élastiquement déformable. En variante, le corps monobloc peut comprendre au moins une fenêtre qui est recouverte par une membrane souple formant la paroi élastiquement déformable.According to another embodiment, the reservoir may comprise a one-piece body on which the filling valve and the venting valve are mounted. Advantageously, the one-piece body can form the elastically deformable wall. As a variant, the one-piece body can comprise at least one window which is covered by a flexible membrane forming the elastically deformable wall.

Selon une autre caractéristique, le clapet de remplissage définit un axe de déplacement de clapet et la paroi élastiquement déformable définit un axe de déplacement de paroi, les axes pouvant être sensiblement perpendiculaires ou parallèles. La paroi élastiquement déformable peut se présenter sous la forme d'un soufflet.According to another characteristic, the filling valve defines an axis of movement of the valve and the elastically deformable wall defines an axis of movement of the wall, the axes possibly being substantially perpendicular or parallel. The elastically deformable wall can take the form of a bellows.

L'esprit de la présente invention réside dans le fait de conférer au réservoir du distributeur une fonction de pompe, avec un clapet d'entrée (ou de remplissage), un clapet d'éventation (ou de sortie d'air) et un actionneur sous la forme d'une paroi élastiquement déformable.The spirit of the present invention resides in the fact of giving the reservoir of the dispenser a pump function, with an inlet (or filling) valve, a venting (or air outlet) valve and an actuator in the form of an elastically deformable wall.

L'invention sera maintenant plus amplement décrite, en référence aux dessins joints, donnant à titre d'exemple non limitatif, plusieurs modes de réalisation de l'invention.The invention will now be more fully described, with reference to the attached drawings, giving by way of non-limiting example, several embodiments of the invention.

Sur les figures :

  • La figure 1 est une vue en perspective d'un distributeur rechargeable selon un premier mode de réalisation de l'invention,
  • La figure 2 est une vue similaire à celle de la figure 1, avec le capot retiré,
  • La figure 3 est une vue similaire à la figure 2 avec l'étui retiré,
  • La figure 4 est une vue agrandie du distributeur des figures précédentes, avec l'étui et le capot non représentés,
  • La figure 5 est une vue en coupe transversale verticale à travers le distributeur de la figure 4,
  • Les figures 6a à 6f représentent différentes étapes consécutives permettant le remplissage du distributeur des figures 4 et 5,
  • Les figures 7a à 7f visent également à illustrer différentes étapes de remplissage du distributeur des figures 4 et 5,
  • La figure 8a représente la partie supérieure de la figure 5 de manière agrandie, avec le réservoir vide,
  • La figure 8b est une vue similaire à celle de la figure 8a avec le réservoir rempli,
  • La figure 9a représente de manière très agrandie le clapet d'éventation en position de repos fermé,
  • La figure 9b est une vue similaire à celle de la figure 9a avec le clapet d'éventation en position ouverte,
  • La figure 9c est une vue similaire aux figures 9a et 9b, avec le réservoir rempli,
  • Les figures 10 à 12 représentent respectivement trois autres formes de réalisation pour un distributeur rechargeable selon l'invention.
In the figures:
  • There figure 1 is a perspective view of a refillable dispenser according to a first embodiment of the invention,
  • There picture 2 is a view similar to that of the figure 1 , with the cover removed,
  • There picture 3 is a view similar to the figure 2 with the case removed,
  • There figure 4 is an enlarged view of the dispenser of the preceding figures, with the case and the cover not shown,
  • There figure 5 is a vertical cross-sectional view through the distributor of the figure 4 ,
  • THE figures 6a to 6f represent different consecutive steps allowing the dispenser to be filled with figures 4 and 5 ,
  • THE figures 7a to 7f are also intended to illustrate different stages of filling the dispenser with figures 4 and 5 ,
  • There figure 8a represents the upper part of the figure 5 enlarged, with the tank empty,
  • There figure 8b is a view similar to that of the figure 8a with the tank full,
  • There figure 9a shows in a very enlarged way the vent valve in the closed rest position,
  • There figure 9b is a view similar to that of the figure 9a with the vent valve in the open position,
  • There figure 9c is a view similar to figures 9a and 9b , with the tank full,
  • THE figures 10 to 12 respectively represent three other embodiments for a refillable dispenser according to the invention.

On se référera tout d'abord aux figures 1 à 5 pour décrire en détail la structure d'un distributeur réalisé selon le premier mode de réalisation de l'invention. Le distributeur rechargeable comprend une tête de distribution T et un réservoir R1 qui sont associés pour former ensemble le distributeur. La tête de distribution T peut être une tête de distribution tout à fait classique avec une pompe.We will first refer to the figures 1 to 5 to describe in detail the structure of a distributor made according to the first embodiment of the invention. The refillable dispenser comprises a dispensing head T and a reservoir R1 which are associated to together form the dispenser. The head dispensing head T can be an entirely conventional dispensing head with a pump.

Dans le cas d'une pompe elle comprend un corps définissant une entrée de produit fluide qui est pourvue d'un tube plongeur Pt. La pompe comprend également une tige d'actionnement (non représentée) sur laquelle est monté un bouton-poussoir B. Par enfoncement du bouton-poussoir B, du produit fluide est mis sous pression dans une chambre définie à l'intérieur du corps. Le bouton-poussoir B peut définir un orifice de distribution B1 par lequel le produit fluide refoulé hors de la chambre est distribué sous forme pulvérisé, de jet ou de gouttes. Pour la fixation de la pompe sur le récipient, il est prévu un organe de fixation F qui maintient le corps fixement et qui s'accroche sur un col 11 du réservoir R1. Il s'agit là d'une conception tout à fait classique pour une tête de distribution dans le domaine de la parfumerie, de la cosmétique ou encore de la pharmacie. Etant donné que la tête de distribution n'est pas l'entité critique de la présente invention, elle ne sera pas décrite plus amplement.In the case of a pump, it comprises a body defining a fluid inlet which is provided with a dip tube Pt. The pump also comprises an actuating rod (not shown) on which is mounted a push-button B. By pressing the push-button B, the fluid product is put under pressure in a chamber defined inside the body. The push-button B can define a dispensing orifice B1 through which the fluid product discharged out of the chamber is dispensed in the form of a spray, a jet or drops. For fixing the pump on the container, there is provided a fixing member F which holds the body fixedly and which hooks onto a neck 11 of the reservoir R1. This is an entirely conventional design for a dispensing head in the field of perfumery, cosmetics or even pharmacy. Since the dispensing head is not the critical entity of the present invention, it will not be described further.

Comme on peut le voir sur les figures 1 à 3, le distributeur est en outre équipé d'un étui E qui enveloppe le réservoir R1 et d'un capot K qui recouvre le bouton poussoir B et la bague de fixation F. Le capot K est monté de manière amovible sur l'étui E. Comme on peut le voir sur la figure 3, le distributeur peut être entièrement extrait de l'étui E et du capot K.As can be seen on the figures 1 to 3 , the dispenser is also equipped with a case E which envelops the reservoir R1 and a cover K which covers the push button B and the fixing ring F. The cover K is removably mounted on the case E. As can be seen on the picture 3 , the distributor can be completely extracted from the case E and the cover K.

La présente invention se situe au niveau du réservoir R1 qui va maintenant être expliquée en détail. Le réservoir R1 comprend un clapet de remplissage C par lequel le réservoir peut être rempli ou rechargé. Ce clapet de remplissage C est disposé au niveau du fond du réservoir. Il comprend un organe mobile de clapet C1 qui repose de manière étanche au repos sur un siège de clapet. Comme on le verra ci-après, le clapet de remplissage C est un clapet hydraulique ou différentiel, en ce sens qu'il s'ouvre avec la pression du produit, et non pas mécaniquement. Le clapet de remplissage C est de préférence disposé en partie basse du réservoir R1.The present invention is located at the reservoir R1 which will now be explained in detail. Reservoir R1 includes a filling valve C through which the reservoir can be filled or recharged. This filling valve C is arranged at the bottom of the tank. It comprises a movable valve member C1 which rests in a leaktight manner at rest on a valve seat. As will be seen below, the filling valve C is a hydraulic or differential valve, in the sense that it opens with the pressure of the product, and not mechanically. The filling valve C is preferably arranged in the lower part of the reservoir R1.

Le réservoir R1 comprend également un clapet d'éventation V qui permet à l'air présent dans le réservoir R1 de s'en échapper, pour laisser la place au produit fluide aspiré dans le réservoir à travers le clapet de remplissage C. Le clapet d'éventation V comprend un organe de clapet mobile, qui peut être sensiblement similaire ou identique à l'organe mobile C1 du clapet de remplissage C. Au repos, le clapet d'éventation V est fermé.Reservoir R1 also includes a vent valve V which allows the air present in the R1 tank to escape, to make room for the fluid product sucked into the reservoir through the filling valve C. The venting valve V comprises a moving valve member, which may be substantially similar or identical to the moving member C1 of the filling valve C. At rest, the vent valve V is closed.

Le réservoir R1 peut également comprendre un obturateur flottant O qui permet d'obturer le passage de produit fluide vers le clapet d'éventation V. Il sera décrit plus en détail ci-après.Reservoir R1 may also include a floating shutter O which makes it possible to shut off the passage of fluid product to venting valve V. It will be described in more detail below.

Dans ce premier mode de réalisation, le réservoir R1 comprend un corps monobloc rigide 10 de forme sensiblement tubulaire. A son extrémité supérieure, le corps monobloc 10 forme un col 11 qui reçoit intérieurement l'organe de distribution P et extérieurement la bague de fixation F. A son extrémité inférieure 15, le corps monobloc 10 est obturé par le clapet de remplissage C. Le corps monobloc 10 forme également le siège pour le clapet d'éventation V et le siège d'obturation pour l'obturateur flottant O. Le corps monobloc 10 comprend également une ou plusieurs fenêtre(s) 14. De préférence, le corps monobloc 10 comprend deux fenêtres opposées 14, dont le diamètre peut correspondre au tiers ou au quart de la hauteur axiale du corps 10. Chaque fenêtre 14 peut s'étendre pratiquement sur la moitié de la périphérie du corps tubulaire 10.In this first embodiment, the reservoir R1 comprises a rigid one-piece body 10 of substantially tubular shape. At its upper end, the one-piece body 10 forms a neck 11 which receives the dispenser member P on the inside and the fixing ring F on the outside. At its lower end 15, the one-piece body 10 is closed off by the filling valve C. The one-piece body 10 also forms the seat for the vent valve V and the closing seat for the floating shutter O. The one-piece body 10 also comprises one or more window(s) 14. Preferably, the one-piece body 10 comprises two opposite windows 14, the diameter of which can correspond to one third or one quarter of the axial height of the body 10. Each window 14 can extend practically over half the periphery of the tubular body 10.

Le réservoir R1 comprend également une membrane élastiquement déformable 16 qui enveloppe au moins une partie du corps monobloc 10, au niveau des fenêtres 14. La membrane élastiquement déformable 16 peut par exemple être surmoulée sur le corps monobloc rigide 10. Ainsi, les deux fenêtres 14 sont recouvertes par une partie de la membrane 16 et peuvent être déformées vers l'intérieur du réservoir de manière à diminuer son volume utile. De ce fait, les parties de membrane 16 recouvrant les fenêtres 14 forment des parois élastiquement déformables 17 que l'on peut rapprocher l'une de l'autre, par exemple en les saisissant entre le pouce et l'index, alors que les trois autres doigts de la main peuvent saisir le bas du réservoir R1.Reservoir R1 also comprises an elastically deformable membrane 16 which envelops at least a part of one-piece body 10, at the level of windows 14. Elastically deformable membrane 16 can for example be molded onto rigid one-piece body 10. Thus, the two windows 14 are covered by part of the membrane 16 and can be deformed towards the inside of the tank so as to reduce its useful volume. As a result, the membrane parts 16 covering the windows 14 form elastically deformable walls 17 which can be brought closer together, for example by grasping them between the thumb and index finger, while the three other fingers of the hand can grip the bottom of the R1 tank.

On dispose ainsi d'un réservoir R1 de volume variable par actionnement ou enfoncement de ses parois élastiquement déformables 17. L'enfoncement des parois 17 a pour effet de chasser de l'air à travers le clapet d'éventation V, puis de faire rentrer de l'air à travers le clapet de remplissage C lorsque les parois 17 regagnent leur position de repos initiale. Le volume de pompage défini par les parois d'actionnement déformables 17 entre leurs positions initiales de repos et leurs positions complètement enfoncées peut correspondre au cinquième du volume total du réservoir R1, voire au quart du volume, et même au tiers du volume.There is thus a reservoir R1 of variable volume by actuation or depression of its elastically deformable walls 17. The depression of the walls 17 has the effect of expelling air through the venting valve V, then to bring in air through the filling valve C when the walls 17 return to their initial rest position. The pumping volume defined by the deformable actuation walls 17 between their initial rest positions and their fully depressed positions can correspond to one-fifth of the total volume of reservoir R1, or even to one-quarter of the volume, and even to one-third of the volume.

Grâce à l'invention, le réservoir R1 se comporte comme une pompe avec un clapet d'entrée ou de remplissage C et un clapet de sortie ou d'éventation V et un organe d'actionnement sous la forme de deux parois élastiquement déformables 17.Thanks to the invention, the reservoir R1 behaves like a pump with an inlet or filling valve C and an outlet or venting valve V and an actuation member in the form of two elastically deformable walls 17.

On se référera maintenant aux figures 6a à 6f pour expliquer le mode d'emploi du distributeur rechargeable des figures 4 et 5. Pour remplir le distributeur rechargeable, il faut une source S, qui peut se présenter sous la forme d'un distributeur classique, présentant de préférence un réservoir de contenance supérieur à celui du réservoir R1. Cette source S comprend un bouton poussoir Bs par lequel il est possible d'actionner la pompe Sp de la source S et ainsi distribuer du produit fluide. Ceci est représenté sur la figure 6a. La première étape consiste à retirer le bouton poussoir Bs de la source S afin de dégager ou démasquer la tige de soupape S1, comme visible sur la figure 6b. La seconde étape consiste à rapporter le distributeur D1 sur la source S en engageant la tige de soupape S1 à l'entrée du clapet de remplissage C, comme représenté sur la figure 6c. L'étape suivante consiste à enfoncer la tige de soupape S1 de la source S à l'aide du clapet de remplissage C du distributeur D1. Ceci a pour effet d'injecter une dose de produit fluide dans le réservoir R1 à travers la tige d'actionnement S1. Le volume de produit fluide injecté dans le réservoir R1 peut avoir pour effet de chasser une dose sensiblement correspondante d'air à travers le clapet d'éventation V. Etant donné que la tige d'actionnement S1 reste enfoncée, la source S reste en communication avec le réservoir R1, avec toutefois le clapet de remplissage C qui est revenu dans sa position de repos fermée. L'étape suivante consiste à enfoncer les parois élastiquement déformables 17 du réservoir R1, alors que le distributeur D1 est toujours appuyé sur la tige d'actionnement S1 de la source S. L'enfoncement des parois 17 a pour effet de diminuer le volume utile du réservoir R1, et de chasser par conséquent de l'air qu'il contient à travers le clapet d'éventation V qui est forcé à l'état ouvert. Le clapet de remplissage C est quant à lui plaqué à l'état fermé par la surpression régnant dans le réservoir R1. La dernière étape consiste à relâcher la pression exercée sur les parois 17, comme représenté sur la figure 6f, ce qui a pour effet de créer une dépression à l'intérieur du réservoir R1, qui ferme le clapet d'éventation V et ouvre le clapet de remplissage C. Du produit fluide en provenance de la source S peut ainsi être aspiré dans le réservoir R1. Le produit aspiré provient directement du réservoir de la source S et est acheminé à travers le tube plongeur et la pompe qui est maintenue avec son clapet de sortie à l'état ouvert. La quantité de produit fluide aspirée dans le réservoir peut correspondre au cinquième, au quart, voire au tiers du volume maximal du réservoir R1. Ainsi, en trois, quatre ou cinq actionnements des parois 17, on peut remplir le réservoir R1. Le distributeur peut alors être retiré de la source S et être replacé dans son étui E et coiffé de son capot K. Quant à la source S, son bouton poussoir Bs peut être remis en place sur la tige de soupape S1.We will now refer to figures 6a to 6f to explain how to use the refillable dispenser of figures 4 and 5 . To fill the refillable dispenser, a source S is required, which may be in the form of a conventional dispenser, preferably having a reservoir with a capacity greater than that of reservoir R1. This source S comprises a push button Bs by which it is possible to actuate the pump Sp of the source S and thus distribute the fluid product. This is shown on the figure 6a . The first step consists in removing the push button Bs from the source S in order to disengage or unmask the valve stem S1, as visible on the figure 6b . The second step consists in attaching the distributor D1 to the source S by engaging the valve stem S1 at the inlet of the filling valve C, as shown in the figure 6c . The next step is to push in the valve stem S1 of the source S using the filling valve C of the distributor D1. This has the effect of injecting a dose of fluid product into the reservoir R1 through the actuating rod S1. The volume of fluid product injected into the reservoir R1 can have the effect of expelling a substantially corresponding dose of air through the venting valve V. Since the actuating rod S1 remains depressed, the source S remains in communication with the tank R1, with however the filling valve C which has returned to its closed rest position. The next step is to push the elastically deformable walls 17 of the reservoir R1, while the distributor D1 is still supported on the rod actuation S1 of the source S. The depression of the walls 17 has the effect of reducing the useful volume of the reservoir R1, and consequently of expelling the air which it contains through the venting valve V which is forced open. The filling valve C is for its part pressed in the closed state by the overpressure prevailing in the reservoir R1. The last step consists in releasing the pressure exerted on the walls 17, as represented on the figure 6f , which has the effect of creating a vacuum inside the reservoir R1, which closes the venting valve V and opens the filling valve C. Fluid coming from the source S can thus be sucked into the reservoir R1. The sucked product comes directly from the reservoir of the source S and is routed through the dip tube and the pump which is maintained with its outlet valve in the open state. The quantity of fluid product sucked into the reservoir can correspond to a fifth, a quarter, or even a third of the maximum volume of the reservoir R1. Thus, in three, four or five actuations of the walls 17, the reservoir R1 can be filled. The distributor can then be removed from the source S and be replaced in its case E and capped with its cover K. As for the source S, its push button Bs can be put back in place on the valve stem S1.

Les figures 7a à 7f permettent de comprendre plus précisément le comportement dynamique des clapets de remplissage C et d'éventation V ainsi que de la tige de soupape S1 de la source S. La figure 7a correspond à la figure 6c : le clapet de remplissage C est rapporté sur la tige de soupape ou tige d'actionnement S1 de la source S sans l'enfoncer. La pompe Sp de la source S est au repos, de même que les clapets de remplissage S et d'éventation V, fermés à l'état de repos. La figure 7b correspond à la figure 6d. La tige d'actionnement F1 vient d'être enfoncée par appui du clapet de remplissage C. Une dose de produit fluide refoulée par la pompe Sp pousse l'organe mobile C1 du clapet de remplissage C à l'état ouvert. Le produit fluide peut ainsi pénétrer à l'intérieur du réservoir R1. Simultanément, de l'air présent dans le réservoir R1 est refoulé à travers le clapet d'éventation V, qui est forcé à l'état ouvert par l'air sous pression. Dès que la dose de produit fluide issue de la pompe Sp a été injectée dans le réservoir R1, les deux clapets de remplissage C et d'éventation V se referment. La tige d'actionnement S1 reste toutefois à l'état enfoncé. Ceci est représenté sur la figure 7c. La figure 7d correspond à la figure 6e. Les parois élastiquement déformables 17 sont enfoncées, générant ainsi une surpression à l'intérieur du réservoir R1, ce qui a pour effet de plaquer l'organe mobile C1 sur son siège et d'ouvrir le clapet d'éventation V. De l'air est expulsé à travers le clapet d'éventation V. La figure 7e correspond à la figure 6f. L'utilisateur relâche sa pression sur les parois 17, qui regagnent ainsi leurs positions initiales de repos. Ce faisant, une dépression est générée dans le réservoir R1, qui a pour effet de fermer le clapet d'éventation V et d'ouvrir le clapet de remplissage C. En conséquence, du produit fluide issu de la source S est aspiré à travers le clapet de remplissage C, dont l'organe mobile C1 est forcé à l'état ouvert. Après quelques actionnements, à savoir trois, quatre ou cinq, le réservoir R1 est à nouveau rempli, avec le niveau du liquide L arrivant à la hauteur de l'obturateur et flottant O. Ceci est représenté sur la figure 7f.THE figures 7a to 7f make it possible to understand more precisely the dynamic behavior of the filling C and venting V valves as well as of the valve stem S1 of the source S. figure 7a corresponds to the figure 6c : the filling valve C is attached to the valve rod or actuating rod S1 of the source S without pushing it down. The pump Sp of the source S is at rest, as are the filling S and venting valves V, closed in the state of rest. There figure 7b corresponds to the figure 6d . The actuating rod F1 has just been pushed in by pressing the filling valve C. A dose of fluid delivered by the pump Sp pushes the moving member C1 of the filling valve C to the open state. The fluid product can thus penetrate inside the reservoir R1. Simultaneously, the air present in the reservoir R1 is discharged through the vent valve V, which is forced open by the pressurized air. As soon as the dose of fluid product from the pump Sp has been injected into the reservoir R1, the two check valves filling C and venting V close. However, the actuating rod S1 remains in the depressed state. This is shown on the figure 7c . There figure 7d corresponds to the figure 6e . The elastically deformable walls 17 are depressed, thus generating an overpressure inside the tank R1, which has the effect of pressing the movable member C1 against its seat and opening the vent valve V. Air is expelled through the vent valve V. The figure 7e corresponds to the figure 6f . The user releases his pressure on the walls 17, which thus return to their initial rest positions. In doing so, a depression is generated in the reservoir R1, which has the effect of closing the venting valve V and opening the filling valve C. Consequently, fluid product from the source S is sucked through the filling valve C, whose movable member C1 is forced open. After a few actuations, namely three, four or five, the reservoir R1 is filled again, with the level of the liquid L arriving at the height of the obturator and floating O. This is represented on the figure 7f .

On peut remarquer que l'axe de déplacement Y des parois élastiquement déformables 17 est perpendiculaire à l'axe de déplacement X de la tige de soupape S1 et du clapet de remplissage C. Ceci est particulièrement avantageux, car l'utilisateur peut d'une seule main appuyer le distributeur D sur la tige de soupape S1 et actionner les parois 17 à l'aide de son pouce et de son index.It may be noted that the axis of movement Y of the elastically deformable walls 17 is perpendicular to the axis of movement X of the valve stem S1 and of the filling valve C. This is particularly advantageous, since the user can one hand press the distributor D on the valve stem S1 and operate the walls 17 using his thumb and index finger.

Sur la figure 8a, le réservoir R1 n'est pas encore rempli. Sa partie haute est donc remplie d'air, de sorte que l'obturateur O est soumis à la gravité. Il communique avec le clapet d'éventation V par l'intermédiaire d'une petite chambre 13 qui forme en amont un siège 130 pour la bille flottante O. En aval, il forme un ou plusieurs passage(s) de sortie 120 qui sont bordés par un siège annulaire 12 contre lequel le clapet d'éventation V vient en contact étanche en position de repos, comme représenté sur la figure 9a. En revanche, lorsque l'on appuie sur les parois 17, l'air est chassé autour de la bille flottante O, puisqu'elle ne repose pas sur son siège 130, à travers la chambre 13, puis à travers les passages 120, pour repousser le clapet d'éventation V en éloignement de son siège 12. Ceci est représenté sur la figure 9b. C'est ce qu'il passe lorsque le réservoir R1 n'est pas complètement rempli.On the figure 8a , tank R1 is not yet full. Its upper part is therefore filled with air, so that the obturator O is subjected to gravity. It communicates with the vent valve V via a small chamber 13 which upstream forms a seat 130 for the floating ball O. Downstream, it forms one or more outlet passage(s) 120 which are bordered by an annular seat 12 against which the vent valve V comes into sealed contact in the rest position, as shown in the figure 9a . On the other hand, when the walls 17 are pressed, the air is expelled around the floating ball O, since it is not resting on its seat 130, through the chamber 13, then through the passages 120, to push back the vent valve V in away from his seat 12. This is shown in the figure 9b . This is what happens when the R1 tank is not completely filled.

Sur la figure 8b, on voit le distributeur avec le réservoir R1 rempli jusqu'au niveau L. L'obturateur flottant O flotte alors dans le liquide et est repoussé contre son siège 130, comme on peut le voir sur la figure 9c. Ainsi, le produit fluide ne peut pas atteindre la chambre 13 et encore moins le clapet d'éventation V qui est à l'état fermé de repos.On the figure 8b , we see the distributor with the reservoir R1 filled to the level L. The floating shutter O then floats in the liquid and is pushed back against its seat 130, as can be seen on the figure 9c . Thus, the fluid product cannot reach the chamber 13 and even less the vent valve V which is in the closed state of rest.

L'obturateur flottant O est une caractéristique optionnelle de l'invention, mais permet de remplir le réservoir R1 en totalité sans risque de fuite à travers le clapet d'éventation V. Bien entendu, il est possible et même fréquent que l'obturateur flottant O arrive en contact étanche de son siège 130, alors que les parois 17 n'ont pas regagné leurs positions initiales de repos. Elles resteront ainsi enfoncées jusqu'au premier actionnement du bouton poussoir B qui permettra de faire rentrer de l'air à l'intérieur du réservoir au travers de l'organe de distribution P.The floating shutter O is an optional feature of the invention, but makes it possible to completely fill the reservoir R1 without risk of leakage through the venting valve V. Of course, it is possible and even frequent for the floating shutter O comes into sealed contact with its seat 130, while the walls 17 have not returned to their initial rest positions. They will thus remain depressed until the first actuation of the push button B which will allow air to enter the interior of the tank through the dispenser P.

Les figures 10, 11 et 12 représentent trois autres modes de réalisation pour un réservoir selon l'invention. La tête de distribution peut être strictement identique à celle du premier mode de réalisation.THE figures 10, 11 and 12 represent three other embodiments for a tank according to the invention. The dispensing head may be strictly identical to that of the first embodiment.

Sur la figure 10, le réservoir R2 comprend deux parties rigides 20 et 21 de forme sensiblement tubulaire. La partie supérieure 21 est une partie formant le col sur lequel la tête de distribution T est montée. La partie supérieure 21 reçoit également le clapet d'éventation V et forme son siège. La partie inférieure 20 reçoit le clapet de remplissage C. Les parties inférieure 20 et supérieure 21 sont reliées ensemble par un manchon 22 qui est réalisé en un matériau élastiquement déformable. Ce manchon 22 comprend deux embouts de raccordement étanche 23 et 24, reliés respectivement à la partie supérieure 21 et à la partie inférieure 20. Entre ces deux embouts de raccordement 23 et 24, le manchon 22 forme une paroi élastiquement déformable 27, par exemple sous la forme d'un bulbe de révolution. Dans ce mode de réalisation, l'utilisateur n'a même pas orienté le distributeur D2 pour appuyer de manière optimale sur la paroi 27, étant donné que celle-ci est de révolution. L'axe de déplacement Y de la paroi 27 est perpendiculaire à l'axe longitudinal X du distributeur D2 qui est confondu avec l'axe de déplacement du bouton poussoir B et du clapet de remplissage C.On the figure 10 , the reservoir R2 comprises two rigid parts 20 and 21 of substantially tubular shape. The upper part 21 is a part forming the neck on which the dispensing head T is mounted. The upper part 21 also receives the vent valve V and forms its seat. The lower part 20 receives the filling valve C. The lower 20 and upper 21 parts are connected together by a sleeve 22 which is made of an elastically deformable material. This sleeve 22 comprises two sealed connection endpieces 23 and 24, respectively connected to the upper part 21 and to the lower part 20. Between these two connection endpieces 23 and 24, the sleeve 22 forms an elastically deformable wall 27, for example under the shape of a bulb of revolution. In this embodiment, the user has not even oriented the distributor D2 to press optimally on the wall 27, given that the latter is of revolution. The axis of displacement Y of the wall 27 is perpendicular to the axis longitudinal X of the distributor D2 which coincides with the axis of movement of the push button B and of the filling valve C.

Le réservoir R3 de la figure 11 comprend un corps monobloc 30 de forme globalement cylindrique, qui forme à son extrémité supérieure un col 31 pour le montage de la tête de distribution T. En dessous du col 31, le corps monobloc 30 forme un siège 32 pour le clapet d'éventation V, ainsi qu'un siège 33 pour l'obturateur flottant O. Ensuite, le corps monobloc 30 forme un long tube souple qui va servir de paroi élastiquement déformable 37. Le clapet de remplissage C est monté à l'extrémité inférieure libre de ce tube souple. Dans ce mode de réalisation, la paroi élastiquement déformable 37 s'étend sur la majeure partie de la hauteur du réservoir R3, de sorte que l'utilisateur n'a pas besoin d'être extrêmement précis pour appliquer sa pression dans le but de remplir le réservoir. L'axe de déplacement Y de la paroi 37 est également perpendiculaire à l'axe de déplacement X du bouton poussoir B et du clapet de remplissage C.The R3 tank of the figure 11 comprises a one-piece body 30 of generally cylindrical shape, which forms at its upper end a neck 31 for mounting the dispensing head T. Below the neck 31, the one-piece body 30 forms a seat 32 for the vent valve V , as well as a seat 33 for the floating shutter O. Next, the one-piece body 30 forms a long flexible tube which will serve as an elastically deformable wall 37. The filling valve C is mounted at the free lower end of this tube soft. In this embodiment, the elastically deformable wall 37 extends over most of the height of the reservoir R3, so that the user does not need to be extremely precise in applying his pressure in order to fill The reservoir. The axis of movement Y of the wall 37 is also perpendicular to the axis of movement X of the push button B and of the filling valve C.

Le réservoir R4 de la figure 12 comprend également deux parties rigides 40 et 41 qui peuvent être identiques ou similaires à celles du réservoir R2 de la figure 10. La partie supérieure 41 forme un col et reçoit le clapet d'éventation V. La partie inférieure 40 reçoit le clapet de remplissage C. Les deux parties rigides 40 et 41 sont reliées ensemble par un soufflet 42 formant deux embouts de raccordement étanche 43 et 44, respectivement pour la partie rigide supérieure 41 et la partie rigide inférieure 40. Ce soufflet 42 forme une paroi élastiquement déformable 47, dont l'axe de déplacement est confondu avec l'axe X. En d'autres termes, les deux parties rigides 40 et 41 se déplacent en rapprochement/éloignement, lorsque l'on déforme la paroi 47.The R4 tank of the figure 12 also comprises two rigid parts 40 and 41 which may be identical or similar to those of reservoir R2 of the figure 10 . The upper part 41 forms a neck and receives the vent valve V. The lower part 40 receives the filling valve C. The two rigid parts 40 and 41 are connected together by a bellows 42 forming two sealed connection endpieces 43 and 44 , respectively for the upper rigid part 41 and the lower rigid part 40. This bellows 42 forms an elastically deformable wall 47, the axis of movement of which coincides with the axis X. In other words, the two rigid parts 40 and 41 move towards/away when the wall 47 is deformed.

Dans tous les modes de réalisation, le réservoir du distributeur rechargeable comprend une paroi élastiquement déformable qui permet de faire varier le volume utile du réservoir, de manière à chasser d'abord l'air qu'il contient pour aspirer ensuite du produit fluide issu d'une source. Le distributeur est protégé à l'intérieur d'un étui, qui empêche ou évite tout actionnement accidentel de la paroi élastiquement déformable et qui masque également le clapet de remplissage et le clapet d'éventation. L'obturateur flottant O est avantageux, mais pas indispensable. On peut noter que tous les réservoirs présentent une configuration classique allongée avec le clapet d'éventation au niveau du col, le clapet de remplissage au niveau du fond et la paroi déformable disposée axialement entre les deux clapets.In all the embodiments, the reservoir of the refillable dispenser comprises an elastically deformable wall which makes it possible to vary the useful volume of the reservoir, so as to first expel the air it contains in order to then suck up fluid product from the reservoir. 'a source. The dispenser is protected inside a case, which prevents or avoids any accidental actuation of the elastically deformable wall and which also conceals the filling valve and the venting valve. The floating shutter O is advantageous, but not essential. It may be noted that all the reservoirs have a conventional elongated configuration with the vent valve at the neck, the filling valve at the bottom and the deformable wall arranged axially between the two valves.

Claims (14)

  1. A refillable fluid product dispenser (D1; D2; D3; D4) comprising:
    - a dispensing head (T) comprising a pump (P),
    - a variable volume reservoir (R1; R2; R3; R4), and
    - a filling valve (C) connected to the reservoir (R1; R2; R3; R4), the filling valve (C) opening and closing in response to a variation in pressure of the fluid product,
    wherein the reservoir (R1; R2; R3; R4) comprises:
    - a wall (17; 27; 37; 47) that is elastically deformable between a rest position defining a maximum volume for the reservoir (R1; R2; R3; R4) and a deformed position defining a minimum volume for the reservoir (R1; R2; R3; R4), and
    - a venting valve (V) allowing air to exit the reservoir (R1; R2; R3; R4) when the elastically deformable wall (17; 27; 37; 47) is deformed from the rest position, the filling valve (C) opening and the venting valve (V) closing when the elastically deformable wall (17; 27; 37; 47) returns elastically to its rest position, thereby creating a negative pressure in the reservoir (R1; R2; R3; R4),
    characterized in that the reservoir (R1; R2; R3; R4) is disposed in a removable case (E), which conceals the elastically deformable wall (17; 27; 37; 47), as well as the filling (C) and venting (V) valves.
  2. The dispenser (D1; D2; D3; D4) according to claim 1, wherein the reservoir (R1; R2; R3; R4) comprises, in the proximity of the venting valve (V), a floating blocker (O) that floats on the surface of the fluid product and that closes the passage of fluid product towards the venting valve (V), when the reservoir (R1; R2; R3; R4) is filled with fluid product.
  3. The dispenser (D1; D2; D3; D4) according to claim 1 or 2, wherein the movement of the elastically deformable wall (17; 27; 37; 47), between the rest position and the depressed position defines a pumping volume that corresponds to more than 1/5 of the maximum volume of the reservoir (R1; R2; R3; R4), advantageously to 1/4, and preferably to 1/3, of the maximum volume of the reservoir (R1; R2; R3; R4), such that the reservoir (R1; R2; R3; R4) is filled with 3 to 5 actuations of the elastically deformable wall (17; 27; 37; 47).
  4. The dispenser (D1; D2; D3; D4) according to any one of the preceding claims, wherein the venting valve (V) is separate from the pump (P) and is mounted on a rigid part (11; 21; 31; 41) of the reservoir (R1; R2; R3; R4).
  5. The dispenser (D1; D2; D3; D4) according to any one of the preceding claims, wherein the elastically deformable wall (17; 27; 37; 47) is disposed axially between the filling valve (C) and the venting valve (V).
  6. The dispenser (D1; D2; D3; D4) according to any one of the preceding claims, wherein the filling valve (C) is located at the bottom of the reservoir (R1; R2; R3; R4), opposite the pump (P).
  7. The dispenser (D2; D4) according to any one of the preceding claims, wherein the reservoir (R2; R4) comprises two rigid parts (20, 21; 40, 41) connected by a flexible part (22; 42) forming the elastically deformable wall (27; 47).
  8. The dispenser (D2; D4) according to claim 5, wherein the filling valve (C) and the venting valve (V) are respectively mounted on the two rigid parts (20, 21; 40, 41).
  9. The dispenser (D1; D3) according to any one of claims 1 to 4, wherein the reservoir (R1; R3) comprises a one-piece body (10; 30) on which the filling valve (C) and the venting valve (V) are mounted.
  10. The dispenser (D4) according to claim 7, wherein the one-piece body (30) forms the elastically deformable wall (37).
  11. The dispenser (D1) according to claim 7, wherein the one-piece body (10) comprises at least one window (14) that is covered by a flexible membrane (16) forming the elastically deformable wall (17).
  12. The dispenser (D1) according to claim 8, wherein the one-piece body (10) comprises two opposed windows (14) that are each covered by a flexible membrane (16) thus forming two elastically deformable walls (17) that can be actuated between the thumb and the index finger of a hand.
  13. The dispenser (D1; D2; D3) according to any one of the preceding claims, wherein the filling valve (C) defines a valve movement axis X, and the elastically deformable wall (17; 27; 37) defines a wall movement axis Y, the axes X and Y being substantially perpendicular.
  14. The dispenser (D4) according to claim 1 or 6, wherein the filling valve (C) defines a valve movement axis X and the elastically-deformable wall (47) defines a movement axis that is coincident with the axis X, the elastically-deformable wall (47) advantageously being in the form of bellows.
EP20725787.4A 2019-04-11 2020-04-10 Refillable fluid product dispenser Active EP3953054B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1903892A FR3094895B1 (en) 2019-04-11 2019-04-11 Refillable fluid dispenser
PCT/FR2020/000111 WO2020208319A1 (en) 2019-04-11 2020-04-10 Refillable fluid product dispenser

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EP3953054A1 EP3953054A1 (en) 2022-02-16
EP3953054B1 true EP3953054B1 (en) 2023-06-07

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EP (1) EP3953054B1 (en)
CN (1) CN114072239B (en)
BR (1) BR112021019098A2 (en)
ES (1) ES2949677T3 (en)
FR (1) FR3094895B1 (en)
WO (1) WO2020208319A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878972A (en) * 1974-08-29 1975-04-22 L Laslo Por Liquid measuring and dispensing apparatus
FR2869302B1 (en) 2004-04-21 2006-07-14 Oreal ASSEMBLY FOR PACKAGING AND DISPENSING A PRODUCT, IN PARTICULAR A COSMETIC PRODUCT
FR2954292B1 (en) * 2009-12-18 2012-07-20 Rexam Dispensing Sys DISPENSING BOTTLE OF A FLUID PRODUCT COMPRISING A FILLING VALVE
GB2483087A (en) * 2010-08-26 2012-02-29 Breeze Product Design Ltd Refillable Dispenser with Deformable Membrane
US8651337B2 (en) * 2011-04-22 2014-02-18 Gojo Industries, Inc. Foam dispenser having selectively pressurized container
CN104203771A (en) * 2012-07-25 2014-12-10 汇美环球有限公司 Portable refillable cream dispenser
FR2999960B1 (en) * 2012-12-20 2015-02-27 Aptar France Sas RECHARGEABLE FLUID PRODUCT DISPENSER.
CN203819764U (en) * 2014-04-30 2014-09-10 东莞怡信磁碟有限公司 Portable cream bottle
CA2882828A1 (en) * 2015-02-24 2016-08-24 Op-Hygiene Ip Gmbh Liquid dispenser with removable mobile dispenser

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CN114072239A (en) 2022-02-18
EP3953054A1 (en) 2022-02-16
BR112021019098A2 (en) 2021-11-30
FR3094895A1 (en) 2020-10-16
CN114072239B (en) 2023-06-16
FR3094895B1 (en) 2022-07-29
WO2020208319A1 (en) 2020-10-15

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