EP3408034B1 - Refillable fluid product dispenser. - Google Patents

Refillable fluid product dispenser. Download PDF

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Publication number
EP3408034B1
EP3408034B1 EP17708850.7A EP17708850A EP3408034B1 EP 3408034 B1 EP3408034 B1 EP 3408034B1 EP 17708850 A EP17708850 A EP 17708850A EP 3408034 B1 EP3408034 B1 EP 3408034B1
Authority
EP
European Patent Office
Prior art keywords
reservoir
movable
sliding member
dip tube
piston
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
EP17708850.7A
Other languages
German (de)
French (fr)
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EP3408034A1 (en
Inventor
Denis Croibier
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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Filing date
Publication date
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Publication of EP3408034A1 publication Critical patent/EP3408034A1/en
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Publication of EP3408034B1 publication Critical patent/EP3408034B1/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
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/029—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container located on top of the remaining content
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
    • B05B9/0838—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
    • B05B9/0877—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being of pressure-accumulation type or being connected to a pressure accumulation chamber
    • B05B9/0883—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being of pressure-accumulation type or being connected to a pressure accumulation chamber having a discharge device fixed to the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/30—Dip tubes

Definitions

  • the movable piston When the reservoir of the refillable dispenser is empty, the movable piston is placed near the pump and its movement downwards by pulling on the connecting rod of the source bottle, creates a vacuum inside the reservoir, so that fluid product from the source bottle is drawn into the reservoir through the forced filling valve in the open state.
  • the connecting rod When the movable piston comes into abutment against the lower end of the fixed barrel, the connecting rod is detached from the sliding member so that the filling valve can return to its closed rest position.
  • the reservoir of the refillable dispenser is then filled again with fluid product, and the user can use it by simply pressing the push button of the pump, in a completely traditional manner.
  • the present invention provides a dispenser according to claim 1.
  • the reservoir is filled by pressing the dispenser against the source bottle, and not by pulling on the dispenser. as is the case in the document EP1588775 .
  • This responds to a completely classic intuitive gesture that requires you to press the source bottle to fill or refill the reservoir.
  • the reservoir is empty or practically empty when the two pistons are brought together as much as possible and full or practically full when they are moved apart as far as possible. It can also be said that the reservoir is full or practically full, when the movable piston is as close as possible to the dispensing member. It can also be said that the reservoir is empty when the sliding member is extended to the maximum. The user then simply has to position the filling valve on the valve stem of a source bottle and press it until the sliding member comes to a stop in the depressed position close to the dispensing member. .
  • the filling valve communicates with the reservoir through an intermediate chamber of variable volume inversely to that of the reservoir.
  • the distribution tank fills up when the intermediate chamber empties.
  • the volume of the dispensing tank is greater than that of the intermediate chamber.
  • the intermediate chamber can communicate with the reservoir through at least one fixed channel which is integral with the dip tube.
  • a fixed sleeve is engaged around the dip tube so as to define said at least one fixed channel between them, this fixed sleeve defining a free lower end forming a sealing lip which is engaged to slide tightly in a movable tube integral with the sliding member, thus defining the intermediate chamber, the fixed piston being advantageously formed by the fixed sleeve.
  • the filling valve comprises a valve support engaged in the movable barrel and forming a movable pipe in which is engaged a sealing lip, thus defining together an intermediate reservoir through which the filling valve communicates. with the tank.
  • the sliding member is resiliently biased towards the extended position by a spring.
  • This spring can for example act between the filling valve and the fixed sleeve.
  • the spirit of the present invention lies in the fact of reconfiguring the reservoir so that it is filled with a displacement of the sliding member which is the opposite of that for a traditional syringe, where it is necessary to pull on the piston to fill the reservoir. Passing through the reservoir by the dip tube, the engagement of the sliding member around the dip tube, the implementation of a fixed sleeve to form the channels and / or the fixed piston, the formation of an intermediate chamber, the elastic return of the sliding member to the extended position, the use of an advantageously perforated cover to see through the filling status graduations of the tank are characteristics of the invention which can be implemented individually or in combination.
  • the refillable dispenser includes a dispensing head T and a container which are associated to together form the dispenser.
  • the distribution head T can be a completely conventional distribution head with a distribution member D, such as for example a pump, a valve or even a distribution valve.
  • a distribution member D such as for example a pump, a valve or even a distribution valve.
  • a pump or a valve it comprises a body defining a fluid inlet in the form of an axial inlet pipe E.
  • the pump or valve also comprises an actuating rod (not shown ) on which is mounted a push-button B. By depressing the push-button B, fluid is pressurized in a chamber defined inside the body.
  • the container on which the dispensing head T is mounted has a particular shape which should not be considered as limiting in its structure.
  • the term “container” should be considered as the complete lower sub-assembly which cooperates with the upper sub-assembly formed by the dispensing head T.
  • the container incorporates a reservoir of fluid R and other functional members, as will be seen below. -after.
  • the container forms a dip tube 23 to which is connected the inlet E of the distribution member D of the distribution head T. Without departing from the scope of the invention, it is entirely makes it possible to integrate the dip tube 23 into the dispensing head T and not into the container.
  • the container comprises several component parts, namely a case 1, an insert 2, a sliding member 3, a fixed sleeve 4, a spring 5, a valve support 6, a filling valve 7 and optionally a cover 8. All these parts should not be considered essential and frozen in their structure.
  • the case 1 comprises an outer casing 11 which can have any geometric shape, such as for example circular cylindrical, as is the case in the figures.
  • the case 1 also comprises a re-entrant shoulder 12 at its upper end and an interior hooking profile 18 at its lower end.
  • the outer casing 11 is normally visible from the outside and intended to be entered by the user so as to be able to press the push button B using his index finger.
  • the fixed sleeve 4 is fixedly engaged around the lower section 25 of the dip tube 23. More precisely, this fixed sleeve 4 comprises a sheath 41 which is frictionally engaged around the lower section 25.
  • the internal wall of this sheath 41 can be perfectly cylindrical, or else formed with radial ribs defining between them hollow grooves.
  • one or more channels 43 are formed between the sheath 41 and the lower section 25: these channels 43 extend over the entire height of the sheath 41 so as to open out on either side.
  • the fixed sleeve 4 also forms a ring 44 which extends radially outwardly to form on its outer periphery a fixed piston 45 which is in sealed sliding contact with the movable shaft 31 of the sliding member 3.
  • the latching heads 26 can engage below the ribs formed inside the sheath 41. It can also be noted that the free end of the sheath 41 forms a sealing lip 42, the function of which will be given below.
  • a reservoir R is thus formed inside the container. More precisely, this reservoir R is delimited axially between the flange 34 (with its movable piston 35) and the crown 44 (with its fixed piston 45) and radially between the movable barrel 31 and the outer wall of the upper section 24 of the dip tube 23. It is easily understood that the volume of the reservoir is variable, given that the sliding member 3 can move inside the case 1 with its movable piston 35 in sealed sliding contact around the dip tube 23. Simultaneously , the movable barrel 31 moves relative to the fixed piston 45 of the sleeve 4.
  • the valve support 6 comprises a fixing sleeve 61 which is forcibly engaged inside the movable shaft 31 of the sliding member 3. This sleeve 61 cooperates with the hooking profile 33 to ensure that it is held in place.
  • the valve support 6 also forms a receiving housing 62 for the filling valve 7 which may be of quite a design. classic. It may be a mechanical opening valve or a hydraulic opening valve. Its slim design is not critical to the present invention.
  • the valve support 6 also forms a movable pipe 63 which is engaged around the sheath 41 which forms at its lower end the sealing lip 42. Thus, an intermediate chamber I is formed inside the movable pipe 63 at its lower end. -above the inlet of the dip tube 23.
  • the cover 8 comprises an upper hooking edge 81 intended to cooperate with the hooking profile 18 of the case 1.
  • the cover 8 is removable so as to be able to access the filling valve 7.
  • the cover 8 includes a read window 82 through which the fill indication marking 32 is visible.
  • the cover 8 is an optional part, which nevertheless makes it possible to complete the case 1 in an aesthetic manner. As a variant, one can imagine that the bottom of the cover 8 is open so as to allow access from below to the filling valve 7. In this case, the cover 8 could be integrated into the case 1.
  • the reservoir R is full and therefore has a maximum volume.
  • the flange 34 is in abutment against the plate 21.
  • the intermediate chamber I has a minimum volume, given that the sealing lip 42 comes almost in abutment against the bottom of the movable pipe 63.
  • the reservoir R communicates with the intermediate chamber I through the channels 43.
  • the dip tube 23 communicates directly with the intermediate chamber I, so that the 'inlet E of the distribution member D is in fluid communication with the reservoir R.
  • the actuation of the push button B has the effect of dispensing fluid from the reservoir R.
  • the fluid from the reservoir R travels through the channels 43, the intermediate chamber I and the dip tube 23 as far as the inlet E of the distribution member D.
  • the fluid can be distributed through a distribution orifice formed at the level of the push button B.
  • the fluid product continues to be dispensed until the reservoir R is completely empty.
  • the volume of the reservoir R is practically zero, while the volumes of the intermediate chamber I and of the dead space M are at the maximum.
  • the sliding member 3 is then in its extended position in which the movable piston 35 is furthest from the distribution member D.
  • the sealing lip 42 is positioned at the level of the upper end of the movable tube 63.
  • the user can place the filling valve 7 on the valve stem S1 of a source bottle S, as shown in figure figure 5 . All the user then has to do is press the refillable dispenser on the valve stem S1, so that the fluid from the source bottle S does not rise into the intermediate chamber I then through the channels 43 to the reservoir R whose volume increases.
  • the increase in the volume of the reservoir R can be generated solely by the thrust exerted by the user on the source bottle. It can also be assisted by spring 5.
  • the dispenser is shown with the reservoir R half full.
  • a spring 5 When a spring 5 is used, it also participates in filling the reservoir R by urging the sliding member 3 towards its depressed position. initial. The user can press the refillable dispenser on the source bottle S until the reservoir R is refilled, as shown in the figure. figure 1 . When the filling operation is finished, the cover 8 can be replaced.
  • the cover 8 is an optional part, but it nevertheless makes it possible to mask the movement of the sliding member 3, to provide a visual indication of the filling state of the reservoir R and to allow easy access to the filling valve. 7 when removed.
  • the movable piston 35 slides here directly in sealed contact against the outer wall of the dip tube 23, but one can envision an embodiment in which the movable piston 35 slides against a part which surrounds the dip tube, which would for example be connected directly to inlet E of distribution unit D.
  • the case 1 almost completely masks the sliding member 3 when the reservoir R is full: however, one can imagine an embodiment in which the case 1 only very partially masks the sliding member 3. Likewise, the case 1 has a circular cylindrical shape, but any geometric shape or not is possible.
  • the assembly or assembly of this dispenser is extremely simple, since all the parts constitutive are of revolution and do not require any angular orientation.
  • the parts can be assembled axially one after the other in the order shown in the figure 2 .
  • the insert 2 is engaged from below in the case 1, then the sliding member 3 is introduced from the bottom into the case 1, followed by the fixed sleeve 4 which has just engaged around the tube plunger 23, then the spring 5 is engaged around the sheath 41, followed by the valve support 6 which comes into fixed engagement inside the sliding member 3 with its tubing 63 which is housed inside the spring 5 around the sheath 41.
  • the filling valve 7 is engaged inside its receiving housing 62.
  • the cover 8 can be put in place at the bottom of the case 1.
  • the sliding member 3 is engaged around the plunger tube 23, followed by the fixed sleeve 4 which is fixed on the plunger tube 23, then finally the valve support 6 fixed inside the sliding member 3.
  • the spring 5 is a part i ntermediate optional.

Description

La présente invention concerne un distributeur de produit fluide rechargeable comprenant une tête de distribution comprenant un organe de distribution (pompe ou valve par exemple), 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 dispensing member (pump or valve for example), a reservoir of variable volume 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 rechargeable dispenser is often referred to as a “nomadic” dispenser. It generally has a small 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 able to slide in the fixed drum 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 adapted to engage with the movable member so as to force the filling valve to the open state. When the reservoir of the refillable dispenser is empty, the movable piston is placed near the pump and its movement downwards by pulling on the connecting rod of the source bottle, creates a vacuum inside the reservoir, so that fluid product from the source bottle is drawn into the reservoir through the forced filling valve in the open state. When the movable piston comes into abutment against the lower end of the fixed barrel, the connecting rod is detached from the sliding member so that the filling valve can return to its closed rest position. The reservoir of the refillable dispenser is then filled again with fluid product, and the user can use it by simply pressing the push button of the pump, in a completely 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 rechargeable by pulling, i.e. by grabbing the dispenser refillable and pulling it upwards away from the source vial, and finally detach it. Beforehand, it is of course necessary to return the empty refillable dispenser to the source bottle until the connection rod engages with the sliding member which forms the movable piston supporting the filling valve. As a result, the gestures necessary for recharging this dispenser are 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 vial and stretching the syringe upwards is not ergonomic and can lead to degrading the nomad's filling process.

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 rod. connection without passing through the refillable dispenser tank.

Le document WO2015/166442 décrit un distributeur conforme au préambule de la revendication 1.The document WO2015 / 166442 discloses a dispenser according to the preamble of claim 1.

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.The object of the present invention is to define a refillable dispenser, the reloading gesture of which is simpler, more intuitive or more obvious to 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.

Pour ce faire, la présente invention propose un distributeur selon la revendication 1.To do this, the present invention provides a dispenser according to claim 1.

Ainsi, le remplissage du réservoir s'effectue en appuyant le distributeur contre le flacon source, et non pas en tirant sur le distributeur comme c'est le cas dans le document EP1588775 . Cela répond à une gestuelle tout à fait classique intuitive qui veut que l'on appuie sur le flacon source pour remplir ou recharger le réservoir.Thus, the reservoir is filled by pressing the dispenser against the source bottle, and not by pulling on the dispenser. as is the case in the document EP1588775 . This responds to a completely classic intuitive gesture that requires you to press the source bottle to fill or refill the reservoir.

Ainsi, le réservoir est vide ou pratiquement vide lorsque les deux pistons sont rapprochés au maximum et plein ou pratiquement plein lorsqu'ils sont éloignés au maximum. On peut aussi dire que le réservoir est plein ou pratiquement plein, lorsque le piston mobile est le plus prêt possible de l'organe de distribution. On peut également dire que le réservoir est vide lorsque l'organe coulissant est étendu au maximum. Il suffit alors à l'utilisateur de positionner le clapet de remplissage sur la tige de soupape d'un flacon source et d'appuyer dessus jusqu'à ce que l'organe coulissant arrive en butée en position enfoncée proche de l'organe de distribution.Thus, the reservoir is empty or practically empty when the two pistons are brought together as much as possible and full or practically full when they are moved apart as far as possible. It can also be said that the reservoir is full or practically full, when the movable piston is as close as possible to the dispensing member. It can also be said that the reservoir is empty when the sliding member is extended to the maximum. The user then simply has to position the filling valve on the valve stem of a source bottle and press it until the sliding member comes to a stop in the depressed position close to the dispensing member. .

Selon une caractéristique intéressante, le tube plongeur est en permanence solidaire de l'organe de distribution et le clapet de remplissage est en permanence solidaire de l'organe coulissant.According to an interesting feature, the dip tube is permanently secured to the distribution member and the filling valve is permanently secured to the sliding member.

Selon une autre caractéristique avantageuse, le clapet de remplissage communique avec le réservoir à travers une chambre intermédiaire de volume variable inversement à celui du réservoir. Autrement dit, le réservoir de distribution se remplit lorsque la chambre intermédiaire se vide. De préférence, le volume du réservoir de distribution est plus grand que celui de la chambre intermédiaire. D'autre part, la chambre intermédiaire peut communiquer avec le réservoir à travers au moins un canal fixe qui est solidaire du tube plongeur. Selon un mode de réalisation pratique, un manchon fixe est engagé autour du tube plongeur de manière à définir entre eux ledit au moins un canal fixe, ce manchon fixe définissant une extrémité inférieure libre formant une lèvre d'étanchéité qui est engagée à coulissement étanche dans une tubulure mobile solidaire de l'organe coulissant, définissant ainsi la chambre intermédiaire, le piston fixe étant avantageusement formé par le manchon fixe.According to another advantageous characteristic, the filling valve communicates with the reservoir through an intermediate chamber of variable volume inversely to that of the reservoir. In other words, the distribution tank fills up when the intermediate chamber empties. Preferably, the volume of the dispensing tank is greater than that of the intermediate chamber. On the other hand, the intermediate chamber can communicate with the reservoir through at least one fixed channel which is integral with the dip tube. According to a practical embodiment, a fixed sleeve is engaged around the dip tube so as to define said at least one fixed channel between them, this fixed sleeve defining a free lower end forming a sealing lip which is engaged to slide tightly in a movable tube integral with the sliding member, thus defining the intermediate chamber, the fixed piston being advantageously formed by the fixed sleeve.

Selon un autre aspect avantageux de l'invention, le piston mobile est formé à une extrémité du fût mobile et le clapet de remplissage est monté à l'autre extrémité du fût mobile.According to another advantageous aspect of the invention, the mobile piston is formed at one end of the mobile barrel and the filling valve is mounted at the other end of the mobile barrel.

Selon un mode de réalisation pratique, le clapet de remplissage comprend un support de clapet engagé dans le fût mobile et formant une tubulure mobile dans laquelle est engagée une lèvre d'étanchéité, définissant ainsi ensemble un réservoir intermédiaire à travers lequel le clapet de remplissage communique avec le réservoir.According to a practical embodiment, the filling valve comprises a valve support engaged in the movable barrel and forming a movable pipe in which is engaged a sealing lip, thus defining together an intermediate reservoir through which the filling valve communicates. with the tank.

Selon une caractéristique avantageuse de l'invention, le distributeur comprend en outre un étui solidaire du tube plongeur et dans lequel l'organe coulissant est déplaçable par coulissement étanche autour du tube plongeur. Avantageusement, l'étui définit une extrémité inférieure ouverte à travers laquelle l'organe coulissant fait saillie en position étendue, l'organe coulissant étant avantageusement pourvu d'un marquage d'indication d'état de remplissage du réservoir. Selon, un mode de réalisation préférentiel, l'étui est pourvu d'un capot qui obture l'extrémité inférieure ouverte, ce capot formant avantageusement une fenêtre de lecture laissant apparaître d'un marquage d'indication d'état de remplissage du réservoir apposé sur l'organe coulissant.According to an advantageous characteristic of the invention, the dispenser further comprises a case integral with the dip tube and in which the sliding member can be moved by sealed sliding around the dip tube. Advantageously, the case defines an open lower end through which the sliding member protrudes in the extended position, the sliding member being advantageously provided with a marking indicating the state of filling of the reservoir. According to a preferred embodiment, the case is provided with a cover which closes the open lower end, this cover advantageously forming a reading window revealing a marking indicating the filling status of the affixed reservoir. on the sliding member.

Selon une autre caractéristique particulièrement avantageuse, l'organe coulissant est sollicité élastiquement vers la position étendue par un ressort. Ce ressort peut par exemple agir entre le clapet de remplissage et le manchon fixe.According to another particularly advantageous characteristic, the sliding member is resiliently biased towards the extended position by a spring. This spring can for example act between the filling valve and the fixed sleeve.

Selon une définition plus structurelle de l'invention, le distributeur de produit fluide rechargeable comprend une tête de distribution intégrant un organe de distribution avec un tube plongeur,
caractérisé en ce qu'il comprend en outre :

  • un organe coulissant formant un fût mobile et un piston mobile,
  • un manchon fixe formant un piston fixe et une lèvre d'étanchéité,
  • un clapet de remplissage comprenant un support de clapet formant une tubulure mobile,
dans lequel :
  • le piston mobile est engagé à coulissement étanche autour du tube plongeur,
  • le manchon fixe est engagé fixement autour du tube plongeur en créant entre eux au moins un canal fixe, le piston fixe étant engagé à coulissement étanche dans le fût mobile,
  • le support de clapet est engagé fixement dans le fût mobile, avec sa tubulure mobile engagé autour de la lèvre d'étanchéité.
According to a more structural definition of the invention, the refillable fluid dispenser comprises a dispensing head incorporating a dispensing member with a dip tube,
characterized in that it further comprises:
  • a sliding member forming a movable barrel and a movable piston,
  • a fixed sleeve forming a fixed piston and a sealing lip,
  • a filling valve comprising a valve support forming a movable pipe,
in which :
  • the movable piston is engaged to slide tightly around the dip tube,
  • the fixed sleeve is fixedly engaged around the dip tube by creating between them at least one fixed channel, the fixed piston being engaged to slide tightly in the mobile barrel,
  • the valve support is fixedly engaged in the movable barrel, with its movable pipe engaged around the sealing lip.

A partir de cette définition structurelle, on peut définir un procédé de montage, dans lequel l'organe coulissant, le manchon fixe et le support de clapet sont successivement engagés l'un après l'autre de manière axiale sans orientation angulaire. Avantageusement, un ressort est engagé ou inséré entre le manchon fixe et le support de clapet.From this structural definition, one can define an assembly method, in which the sliding member, the fixed sleeve and the valve support are successively engaged one after the other in an axial manner without angular orientation. Advantageously, a spring is engaged or inserted between the fixed sleeve and the valve support.

L'esprit de la présente invention réside dans le fait de reconfigurer le réservoir de sorte que son remplissage s'effectue avec un déplacement de l'organe coulissant qui est à l'opposé de celui pour une seringue traditionnelle, où il faut tirer sur le piston pour remplir le réservoir. La traversée du réservoir par le tube plongeur, l'engagement de l'organe coulissant autour du tube plongeur, la mise en œuvre d'un manchon fixe pour former les canaux et/ou le piston fixe, la formation d'une chambre intermédiaire, le renvoi élastique de l'organe coulissant vers la position étendue, l'utilisation d'un capot avantageusement ajouré pour voir à travers les graduations d'état de remplissage du réservoir sont des caractéristiques de l'invention qui peuvent être mises en œuvre individuellement ou de manière combinée.The spirit of the present invention lies in the fact of reconfiguring the reservoir so that it is filled with a displacement of the sliding member which is the opposite of that for a traditional syringe, where it is necessary to pull on the piston to fill the reservoir. Passing through the reservoir by the dip tube, the engagement of the sliding member around the dip tube, the implementation of a fixed sleeve to form the channels and / or the fixed piston, the formation of an intermediate chamber, the elastic return of the sliding member to the extended position, the use of an advantageously perforated cover to see through the filling status graduations of the tank are characteristics of the invention which can be implemented individually or in combination.

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

Sur les figures :

  • La figure 1 est une vue en coupe transversale verticale à travers un distributeur rechargeable selon l'invention avec son réservoir plein,
  • La figure 2 est une vue explosée du distributeur de la figure 1,
  • La figure 3 est une vue similaire à la figure 1 avec le réservoir à moitié vide,
  • La figure 4 est une vue similaire à la figure 1 avec le réservoir à l'état vide,
  • La figure 5 est une vue similaire à la figure 1 avec le distributeur raccordé à un flacon source qui a déjà rempli le réservoir à moitié, et
  • La figure 6 est une vie agrandie du détail A de la figure 5.
In the figures:
  • The figure 1 is a vertical cross-sectional view through a refillable dispenser according to the invention with its reservoir full,
  • The figure 2 is an exploded view of the distributor of the figure 1 ,
  • The figure 3 is a view similar to figure 1 with the tank half empty,
  • The figure 4 is a view similar to figure 1 with the tank empty,
  • The figure 5 is a view similar to figure 1 with the dispenser connected to a source bottle which has already filled the reservoir halfway, and
  • The figure 6 is an enlarged life of detail A of the figure 5 .

On se référera tout d'abord aux figures 1 et 2 pour décrire en détail la structure d'un distributeur réalisé selon l'invention. Le distributeur rechargeable comprend une tête de distribution T et un récipient qui sont associés pour former ensemble le distributeur. La tête de distribution T peut être une tête de distribution tout à fait classique avec un organe de distribution D, comme par exemple une pompe, une valve ou encore un clapet de distribution. Dans le cas d'une pompe ou d'une valve, elle comprend un corps définissant une entrée de produit fluide sous la forme d'une tubulure d'entrée axiale E. La pompe ou valve 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 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 ou une ouverture du récipient. Un capuchon amovible C peut optionnellement coiffer l'organe de distribution D et le bouton-poussoir B. 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.We will first of all refer to figures 1 and 2 to describe in detail the structure of a dispenser produced according to the invention. The refillable dispenser includes a dispensing head T and a container which are associated to together form the dispenser. The distribution head T can be a completely conventional distribution head with a distribution member D, such as for example a pump, a valve or even a distribution valve. In the case of a pump or a valve, it comprises a body defining a fluid inlet in the form of an axial inlet pipe E. The pump or valve also comprises an actuating rod (not shown ) on which is mounted a push-button B. By depressing the push-button B, fluid is pressurized in a chamber defined inside the body. The push-button B can define a dispensing orifice through which the fluid product discharged from the chamber is dispensed in the form of a spray, jet or drops. For fixing the pump to the container, a fixing member F is provided which holds the body fixedly and which hangs on a neck or an opening of the container. A removable cap C can optionally cover the dispensing member D and the push-button B. This is a completely conventional design for a dispensing head in the field of perfumery, cosmetics or else. from the pharmacy. Since the dispensing head is not the critical entity of the present invention, it will not be described further.

Le récipient sur lequel la tête de distribution T est montée présente une forme particulière qui ne doit pas être considérée comme limitative dans sa structure. Le terme « récipient » doit être considéré comme le sous ensemble bas complet qui coopère avec le sous ensemble haut formé par la tête de distribution T. Le récipient intègre un réservoir de produit fluide R et d'autres organes fonctionnels, comme on le verra ci-après. Dans cette forme de réalisation particulière non limitative, le récipient forme un tube plongeur 23 auquel se raccorde l'entrée E de l'organe de distribution D de la tête de distribution T. Sans sortir du cadre de l'invention, il est tout à fait possible d'intégrer le tube plongeur 23 à la tête de distribution T et non pas au récipient.The container on which the dispensing head T is mounted has a particular shape which should not be considered as limiting in its structure. The term “container” should be considered as the complete lower sub-assembly which cooperates with the upper sub-assembly formed by the dispensing head T. The container incorporates a reservoir of fluid R and other functional members, as will be seen below. -after. In this particular non-limiting embodiment, the container forms a dip tube 23 to which is connected the inlet E of the distribution member D of the distribution head T. Without departing from the scope of the invention, it is entirely makes it possible to integrate the dip tube 23 into the dispensing head T and not into the container.

Le récipient comprend plusieurs pièces constitutives, à savoir un étui 1, un insert 2, un organe coulissant 3, un manchon fixe 4, un ressort 5, un support de clapet 6, un clapet de remplissage 7 et optionnellement un capot 8. Toutes ces pièces ne doivent pas être considérées comme essentielles et figées dans leur structure.The container comprises several component parts, namely a case 1, an insert 2, a sliding member 3, a fixed sleeve 4, a spring 5, a valve support 6, a filling valve 7 and optionally a cover 8. All these parts should not be considered essential and frozen in their structure.

L'étui 1 comprend une enveloppe externe 11 qui peut présenter n'importe quelle forme géométrique, comme par exemple cylindrique circulaire, comme c'est le cas sur les figures. L'étui 1 comprend également un épaulement rentrant 12 à son extrémité supérieure et un profil d'accrochage intérieur 18 à son extrémité inférieure. L'enveloppe externe 11 est normalement visible de l'extérieur et destinée à être saisie par l'utilisateur de manière à pouvoir appuyer sur le bouton poussoir B à l'aide de son index.The case 1 comprises an outer casing 11 which can have any geometric shape, such as for example circular cylindrical, as is the case in the figures. The case 1 also comprises a re-entrant shoulder 12 at its upper end and an interior hooking profile 18 at its lower end. The outer casing 11 is normally visible from the outside and intended to be entered by the user so as to be able to press the push button B using his index finger.

L'insert 2 comprend un plateau annulaire 21 qui fait saillie radialement vers l'extérieur. On peut voir que ce plateau 21 est disposé juste en dessous de l'épaulement rentrant 12 de l'étui 11 sur la figure 1. Un col 22 s'étend vers le haut à partir du plateau 21 : il présente de préférence un profil d'accrochage apte à coopérer avec la bague de fixation F de la tête de distribution T. L'insert 2 forme également le tube plongeur 23 qui s'étend vers le bas. Ce tube plongeur 23 comprend une section supérieure 24 et une section inférieure 25 de diamètre réduit. La paroi externe de la section supérieure 24 est de préférence cylindrique circulaire. A son extrémité inférieure libre, la section inférieure 25 forme plusieurs dents d'encliquetage 26 dont la fonction sera donnée ci-après. La paroi externe de la section inférieure 25 peut être parfaitement cylindrique circulaire, ou encore formée avec des nervures verticales, définissant entre elles des saignées en creux. A la jonction entre la section supérieure 24 et la section inférieure 25 est formé un épaulement orienté vers le bas.The insert 2 comprises an annular plate 21 which projects radially outwards. It can be seen that this plate 21 is disposed just below the re-entrant shoulder 12 of the case 11 on the figure 1 . A collar 22 extends towards the top from the plate 21: it preferably has a hooking profile able to cooperate with the fixing ring F of the dispensing head T. The insert 2 also forms the plunger tube 23 which extends downwards . This dip tube 23 comprises an upper section 24 and a lower section 25 of reduced diameter. The outer wall of the top section 24 is preferably circular cylindrical. At its free lower end, the lower section 25 forms several snap teeth 26, the function of which will be given below. The outer wall of the lower section 25 may be perfectly circular cylindrical, or else formed with vertical ribs, defining between them hollow grooves. At the junction between the upper section 24 and the lower section 25, a downward facing shoulder is formed.

Sans sortir du cadre de l'invention, il est tout à fait possible de réaliser le col 22 et le plateau 21 de manière monobloc avec l'étui 11 et de connecter directement le tube plongeur 23 à l'entrée E de l'organe de distribution D. Selon une autre variante, il est également possible de faire passer un tube plongeur raccordé à l'entrée E à travers l'insert 2 pourvu d'un tube, non plus plongeur, mais capable d'accueillir à l'intérieur le tube plongeur de l'organe de distribution D.Without departing from the scope of the invention, it is quite possible to produce the neck 22 and the plate 21 integrally with the case 11 and to directly connect the plunger tube 23 to the inlet E of the device. distribution D. According to another variant, it is also possible to pass a plunger tube connected to the inlet E through the insert 2 provided with a tube, no longer plunger, but capable of accommodating inside the plunger tube of the distribution unit D.

L'organe coulissant 3 est une pièce mobile par rapport à l'étui 1 et à l'insert 2. Cet organe coulissant 3 comprend un fût mobile 31 de forme cylindrique, de préférence circulaire. A son extrémité supérieure, l'organe coulissant 3 comprend une bride radiale 34 qui se termine intérieurement par un piston mobile 35 qui vient en contact de coulissement étanche avec la paroi externe du tube plongeur 23, au niveau de sa section supérieure 24. A son extrémité inférieure, le fût mobile 31 forme intérieurement un profil d'accrochage dont la fonction sera donnée ci-après. L'organe coulissant 31 est de préférence réalisé de manière monobloc avec une ou plusieurs matière(s) plastique(s) différente(s). On peut par exemple imaginer que le piston mobile 35 soit réalisé en un matériau plus souple que le fût mobile 31. On peut remarquer sur la figure 2 que la paroi externe du fût mobile 31 est pourvue d'un marquage lisible fournissant une indication sur l'état de remplissage du réservoir R.The sliding member 3 is a movable part relative to the case 1 and to the insert 2. This sliding member 3 comprises a movable barrel 31 of cylindrical shape, preferably circular. At its upper end, the sliding member 3 comprises a radial flange 34 which ends internally with a movable piston 35 which comes into sealing sliding contact with the outer wall of the dip tube 23, at its upper section 24. At its lower end, the movable shaft 31 internally forms an attachment profile, the function of which will be given below. The sliding member 31 is preferably made in one piece with one or more different plastic material (s). One can for example imagine that the movable piston 35 is made of a softer material than the movable barrel 31. It can be seen on the figure 2 that the outer wall of the movable barrel 31 is provided with a legible marking providing an indication of the state of filling of the tank R.

Le manchon fixe 4 est engagé fixement autour de la section inférieure 25 du tube plongeur 23. Plus précisément, ce manchon fixe 4 comprend une gaine 41 qui est engagé à frottement autour de la section inférieure 25. La paroi interne de cette gaine 41 peut être parfaitement cylindrique, ou encore formée avec des nervures radiales définissant entre elles des saignées en creux. Quoiqu'il en soit, un ou plusieurs canaux 43 sont formés entre la gaine 41 et la section inférieure 25 : ces canaux 43 s'étendent sur toute la hauteur de la gaine 41 de manière à déboucher de part et d'autre. Le manchon fixe 4 forme également une couronne 44 qui s'étend radialement vers l'extérieur pour former sur sa périphérie externe un piston fixe 45 qui est en contact coulissant étanche avec le fût mobile 31 de l'organe coulissant 3. Pour garantir la fixation du manchon 4 autour de la partie inférieure 25 du tube plongeur 23, les têtes d'encliquetage 26 peuvent venir en prise en dessous des nervures formées à l'intérieur de la gaine 41. On peut également remarquer que l'extrémité libre de la gaine 41 forme une lèvre d'étanchéité 42 dont la fonction sera donnée ci-après.The fixed sleeve 4 is fixedly engaged around the lower section 25 of the dip tube 23. More precisely, this fixed sleeve 4 comprises a sheath 41 which is frictionally engaged around the lower section 25. The internal wall of this sheath 41 can be perfectly cylindrical, or else formed with radial ribs defining between them hollow grooves. Be that as it may, one or more channels 43 are formed between the sheath 41 and the lower section 25: these channels 43 extend over the entire height of the sheath 41 so as to open out on either side. The fixed sleeve 4 also forms a ring 44 which extends radially outwardly to form on its outer periphery a fixed piston 45 which is in sealed sliding contact with the movable shaft 31 of the sliding member 3. To guarantee the fixing. of the sleeve 4 around the lower part 25 of the dip tube 23, the latching heads 26 can engage below the ribs formed inside the sheath 41. It can also be noted that the free end of the sheath 41 forms a sealing lip 42, the function of which will be given below.

Un réservoir R est ainsi formé à l'intérieur du récipient. Plus précisément, ce réservoir R est délimité axialement entre la bride 34 (avec son piston mobile 35) et la couronne 44 (avec son piston fixe 45) et radialement entre le fût mobile 31 et la paroi externe de la section supérieure 24 du tube plongeur 23. On comprend aisément que le volume du réservoir est variable, étant donné que l'organe coulissant 3 peut se déplacer à l'intérieur de l'étui 1 avec son piston mobile 35 en contact de coulissement étanche autour du tube plongeur 23. Simultanément, le fût mobile 31 se déplace par rapport au piston fixe 45 du manchon 4.A reservoir R is thus formed inside the container. More precisely, this reservoir R is delimited axially between the flange 34 (with its movable piston 35) and the crown 44 (with its fixed piston 45) and radially between the movable barrel 31 and the outer wall of the upper section 24 of the dip tube 23. It is easily understood that the volume of the reservoir is variable, given that the sliding member 3 can move inside the case 1 with its movable piston 35 in sealed sliding contact around the dip tube 23. Simultaneously , the movable barrel 31 moves relative to the fixed piston 45 of the sleeve 4.

Le support de clapet 6 comprend une douille de fixation 61 qui est engagée à force à l'intérieur du fût mobile 31 de l'organe coulissant 3. Cette douille 61 coopère avec le profil d'accrochage 33 pour garantir son maintien en place. Le support de clapet 6 forme également un logement de réception 62 pour le clapet de remplissage 7 qui peut être de conception tout à fait classique. Il peut s'agir d'un clapet à ouverture mécanique ou encore un clapet à ouverture hydraulique. Sa conception fine n'est pas critique pour la présente invention. Le support de clapet 6 forme également une tubulure mobile 63 qui est engagée autour de la gaine 41 qui forme à son extrémité inférieure la lèvre d'étanchéité 42. Ainsi, une chambre intermédiaire I est formée à l'intérieur de la tubulure mobile 63 au-dessus de l'entrée du tube plongeur 23.The valve support 6 comprises a fixing sleeve 61 which is forcibly engaged inside the movable shaft 31 of the sliding member 3. This sleeve 61 cooperates with the hooking profile 33 to ensure that it is held in place. The valve support 6 also forms a receiving housing 62 for the filling valve 7 which may be of quite a design. classic. It may be a mechanical opening valve or a hydraulic opening valve. Its slim design is not critical to the present invention. The valve support 6 also forms a movable pipe 63 which is engaged around the sheath 41 which forms at its lower end the sealing lip 42. Thus, an intermediate chamber I is formed inside the movable pipe 63 at its lower end. -above the inlet of the dip tube 23.

Le ressort 5 est engagé autour de la tubulure mobile 63 en prenant appui d'une part contre la couronne 44 et d'autre part contre le support de clapet 6. L'action du ressort 5 a pour effet de solliciter la bride 34 (avec son piston mobile 35) vers la couronne 44 (avec son piston fixe 45). En d'autres termes, le ressort 5 a pour effet de réduire le volume utile du réservoir R. On comprend alors aisément que le ressort 5 a pour effet d'induire ou de faciliter le déplacement coulissant de l'organe coulissant 3 à mesure que du produit fluide est extrait du réservoir R. Il est à noter que le ressort 5 est une pièce optionnelle, mais qui procure des avantages intéressants dans certains cas d'application. Il est même indispensable lorsque la tête de distribution T intègre une valve ou un clapet de distribution. Lorsque l'organe de distribution D est une pompe, l'utilité du ressort 5 est discutable.The spring 5 is engaged around the movable pipe 63, bearing on the one hand against the ring 44 and on the other hand against the valve support 6. The action of the spring 5 has the effect of stressing the flange 34 (with its movable piston 35) towards the crown 44 (with its fixed piston 45). In other words, the spring 5 has the effect of reducing the useful volume of the reservoir R. It is then easily understood that the spring 5 has the effect of inducing or facilitating the sliding movement of the sliding member 3 as fluid is extracted from the reservoir R. It should be noted that the spring 5 is an optional part, but which provides interesting advantages in certain cases of application. It is even essential when the distribution head T incorporates a valve or a distribution flap. When the distribution member D is a pump, the usefulness of the spring 5 is questionable.

Le capot 8 comprend un bord d'accrochage supérieur 81 destiné à coopérer avec le profil d'accrochage 18 de l'étui 1. Bien entendu, le capot 8 est amovible de manière à pouvoir accéder au clapet de remplissage 7. Avantageusement, le capot 8 comprend une fenêtre de lecture 82 à travers laquelle le marquage d'indication de remplissage 32 est visible. Le capot 8 est une pièce optionnelle, qui permet néanmoins de compléter l'étui 1 de manière esthétique. En variante, on peut imaginer que le fond du capot 8 soit ouvert de manière à permettre un accès par le bas au clapet de remplissage 7. Dans ce cas, le capot 8 pourrait être intégré à l'étui 1.The cover 8 comprises an upper hooking edge 81 intended to cooperate with the hooking profile 18 of the case 1. Of course, the cover 8 is removable so as to be able to access the filling valve 7. Advantageously, the cover 8 includes a read window 82 through which the fill indication marking 32 is visible. The cover 8 is an optional part, which nevertheless makes it possible to complete the case 1 in an aesthetic manner. As a variant, one can imagine that the bottom of the cover 8 is open so as to allow access from below to the filling valve 7. In this case, the cover 8 could be integrated into the case 1.

En se référant à nouveau à la figure 1, on peut maintenant constater que le réservoir R est rempli et présente donc un volume maximal. La bride 34 est en butée contre le plateau 21. A l'inverse, la chambre intermédiaire I présente un volume minimal, étant donné que la lèvre d'étanchéité 42 vient presque en butée contre le fond de la tubulure mobile 63. Toutefois, le réservoir R communique avec la chambre intermédiaire I à travers les canaux 43. D'autre part, le tube plongeur 23 communique directement avec la chambre intermédiaire I, de sorte que l'entrée E de l'organe de distribution D est en communication de fluide avec le réservoir R. Ainsi, l'actionnement du bouton poussoir B a pour effet de distribuer du produit fluide en provenance du réservoir R. Le produit fluide du réservoir R chemine à travers les canaux 43, la chambre intermédiaire I et le tube plongeur 23 jusqu'à l'entrée E de l'organe de distribution D. Le produit fluide peut être distribué à travers un orifice de distribution formé au niveau du bouton poussoir B.Referring again to the figure 1 , it can now be seen that the reservoir R is full and therefore has a maximum volume. The flange 34 is in abutment against the plate 21. Conversely, the intermediate chamber I has a minimum volume, given that the sealing lip 42 comes almost in abutment against the bottom of the movable pipe 63. However, the reservoir R communicates with the intermediate chamber I through the channels 43. On the other hand, the dip tube 23 communicates directly with the intermediate chamber I, so that the 'inlet E of the distribution member D is in fluid communication with the reservoir R. Thus, the actuation of the push button B has the effect of dispensing fluid from the reservoir R. The fluid from the reservoir R travels through the channels 43, the intermediate chamber I and the dip tube 23 as far as the inlet E of the distribution member D. The fluid can be distributed through a distribution orifice formed at the level of the push button B.

A mesure que du produit fluide du réservoir R est distribué, l'organe mobile 3 se déplace vers le bas en éloignement de l'organe de distribution D. Il se crée ainsi entre le plateau 21 et la bride 34 un espace mort M qui communique avec l'extérieur entre l'étui 1 et le fût mobile 31. Cet état du distributeur est représenté sur la figure 3, sur laquelle on peut voir que le réservoir R est à moitié rempli ou vide. On peut constater que la chambre intermédiaire I a augmenté de volume, étant donné que le support de clapet 6, qui est solidaire de l'organe coulissant 3 s'est déplacé vers le bas, alors que le manchon fixe 4 est resté en place sur le tube plongeur. On peut ainsi dire que le volume du réservoir R diminue à mesure que le volume de la chambre intermédiaire I et de l'espace mort M augmente. Cependant, il faut remarquer que la section de la chambre intermédiaire I est bien inférieure à celle du réservoir R, de sorte que le volume de la chambre intermédiaire I augmente moins vite que le volume du réservoir ne diminue, et vice versa. Etant donné que l'organe coulissant 3 se déplace vers le bas, son extrémité inférieure sort de plus en plus de l'étui 1 laissant ainsi apparaitre le marquage d'indication 32. La figure 3 a été représentée sans le capot 8, mais celui-ci peut très bien rester en place, puisque sa hauteur permet le déplacement de l'organe de coulissement 3 et le marquage d'indication 32 est visible à travers la fenêtre de lecture 82.As the fluid from the reservoir R is distributed, the movable member 3 moves downwards away from the distribution member D. There is thus created between the plate 21 and the flange 34 a dead space M which communicates with the outside between the case 1 and the movable barrel 31. This state of the dispenser is shown in figure 3 , on which we can see that the tank R is half full or empty. It can be seen that the intermediate chamber I has increased in volume, given that the valve support 6, which is integral with the sliding member 3, has moved downwards, while the fixed sleeve 4 has remained in place on the dip tube. It can thus be said that the volume of the reservoir R decreases as the volume of the intermediate chamber I and of the dead space M increases. However, it should be noted that the section of the intermediate chamber I is much smaller than that of the reservoir R, so that the volume of the intermediate chamber I increases less quickly than the volume of the reservoir decreases, and vice versa. Since the sliding member 3 moves downwards, its lower end comes out more and more from the case 1, thus allowing the indication marking 32 to appear. figure 3 has been shown without the cover 8, but it can very well remain in place, since its height allows the displacement of the sliding member 3 and the indication marking 32 is visible through the reading window 82.

La distribution de produit fluide se poursuit jusqu'à ce que le réservoir R soit complètement vide. On se trouve alors dans la configuration représentée sur la figure 4. Le volume de réservoir R est pratiquement nul, alors que les volumes de la chambre intermédiaire I et de l'espace mort M sont au maximum. L'organe coulissant 3 est alors dans sa position étendue dans laquelle le piston mobile 35 est le plus éloigné de l'organe de distribution D. On peut même remarquer que le piston mobile 35 est pratiquement à la même hauteur axiale que le piston fixe 45. La lèvre d'étanchéité 42 est positionnée au niveau de l'extrémité supérieure de la tubulure mobile 63.The fluid product continues to be dispensed until the reservoir R is completely empty. We are then in the configuration represented on the figure 4 . The volume of the reservoir R is practically zero, while the volumes of the intermediate chamber I and of the dead space M are at the maximum. The sliding member 3 is then in its extended position in which the movable piston 35 is furthest from the distribution member D. One can even notice that the movable piston 35 is practically at the same axial height as the fixed piston 45. The sealing lip 42 is positioned at the level of the upper end of the movable tube 63.

Afin de remplir à nouveau le réservoir R, l'utilisateur peut disposer le clapet de remplissage 7 sur la tige de soupape S1 d'un flacon source S, comme représenté sur la figure 5. Il suffit alors à l'utilisateur d'appuyer le distributeur rechargeable sur la tige de soupape S1, afin que du produit fluide issu du flacon source S ne remonte dans la chambre intermédiaire I puis à travers les canaux 43 jusque dans le réservoir R dont le volume augmente. L'augmentation du volume du réservoir R peut être engendrée uniquement par la poussée exercée par l'utilisateur sur le flacon source. Elle peut également être assistée par le ressort 5. Sur la figure 5, le distributeur est représenté avec le réservoir R rempli à moitié.In order to refill the reservoir R, the user can place the filling valve 7 on the valve stem S1 of a source bottle S, as shown in figure figure 5 . All the user then has to do is press the refillable dispenser on the valve stem S1, so that the fluid from the source bottle S does not rise into the intermediate chamber I then through the channels 43 to the reservoir R whose volume increases. The increase in the volume of the reservoir R can be generated solely by the thrust exerted by the user on the source bottle. It can also be assisted by spring 5. On the figure 5 , the dispenser is shown with the reservoir R half full.

La figure 6 représente de manière agrandie le détail A de la figure 5. On peut voir que la tige de soupape S1 est appliquée à l'entrée du clapet de remplissage 7 qui communique directement en aval avec la chambre intermédiaire I. La force axiale F exercée vers le bas par l'utilisateur vers le flacon source S permet d'ouvrir le clapet de remplissage 7 et d'enfoncer l'organe coulissant 3 à l'intérieur de l'étui 1 en direction de l'organe de distribution D. Ceci a pour effet d'augmenter le volume du réservoir R dans lequel est générée une dépression qui a pour effet d'aspirer le produit fluide issu de la tige de soupape S1 à travers le clapet de remplissage ouvert 7, la chambre intermédiaire I dont le volume croît, et les canaux 43 qui relient la chambre intermédiaire I au réservoir R. Le remplissage du réservoir R peut être effectué par la seule force axiale F exercée par l'utilisateur. Lorsqu'un ressort 5 est mis en œuvre, celui-ci participe également au remplissage du réservoir R en sollicitant l'organe coulissant 3 vers sa position enfoncée initiale. L'utilisateur peut appuyer le distributeur rechargeable sur le flacon source S jusqu'à ce que le réservoir R soit à nouveau rempli, comme représenté sur la figure 1. Lorsque l'opération de remplissage est finie, le capot 8 peut être remis en place.The figure 6 shows in an enlarged way the detail A of the figure 5 . It can be seen that the valve stem S1 is applied to the inlet of the filling valve 7 which communicates directly downstream with the intermediate chamber I. The axial force F exerted downwards by the user towards the source bottle S makes it possible to 'open the filling valve 7 and push the sliding member 3 inside the case 1 in the direction of the distribution member D. This has the effect of increasing the volume of the reservoir R in which is generated a vacuum which has the effect of sucking the fluid product from the valve stem S1 through the open filling valve 7, the intermediate chamber I whose volume increases, and the channels 43 which connect the intermediate chamber I to the reservoir A. The filling of the reservoir R can be carried out by the only axial force F exerted by the user. When a spring 5 is used, it also participates in filling the reservoir R by urging the sliding member 3 towards its depressed position. initial. The user can press the refillable dispenser on the source bottle S until the reservoir R is refilled, as shown in the figure. figure 1 . When the filling operation is finished, the cover 8 can be replaced.

Comme susmentionné, le capot 8 est une pièce optionnelle, mais elle permet cependant de masquer le déplacement de l'organe coulissant 3, de fournir une indication visuelle de l'état de remplissage du réservoir R et de permettre un accès facile au clapet de remplissage 7 une fois retiré.As mentioned above, the cover 8 is an optional part, but it nevertheless makes it possible to mask the movement of the sliding member 3, to provide a visual indication of the filling state of the reservoir R and to allow easy access to the filling valve. 7 when removed.

Le ressort 5 est également une pièce optionnelle lorsque l'organe de distribution D est une pompe, mais s'avère essentiel lorsque l'organe de distribution D est une valve ou un clapet de distribution. Le ressort 5 permet une distribution continue du produit fluide, à la manière d'un aérosol.The spring 5 is also an optional part when the distribution member D is a pump, but proves to be essential when the distribution member D is a valve or a distribution flap. The spring 5 allows continuous distribution of the fluid, in the manner of an aerosol.

Il est possible d'optimiser le taux de restitution du distributeur en réduisant la section de la chambre intermédiaire I par rapport à celle du réservoir R.It is possible to optimize the release rate of the distributor by reducing the section of the intermediate chamber I with respect to that of the reservoir R.

Le piston mobile 35 coulisse ici directement en contact étanche contre la paroi externe du tube plongeur 23, mais on peut envisager un mode de réalisation dans lequel le piston mobile 35 coulisse contre une pièce qui entoure le tube plongeur, qui serait par exemple reliée directement à l'entrée E de l'organe de distribution D.The movable piston 35 slides here directly in sealed contact against the outer wall of the dip tube 23, but one can envision an embodiment in which the movable piston 35 slides against a part which surrounds the dip tube, which would for example be connected directly to inlet E of distribution unit D.

L'étui 1 masque presque totalement l'organe coulissant 3 lorsque le réservoir R est rempli : cependant, on peut imaginer une forme de réalisation dans lequel l'étui 1 ne masque que très partiellement l'organe coulissant 3. De même, l'étui 1 présente une forme cylindrique circulaire, mais n'importe quelle forme géométrique ou non est possible.The case 1 almost completely masks the sliding member 3 when the reservoir R is full: however, one can imagine an embodiment in which the case 1 only very partially masks the sliding member 3. Likewise, the case 1 has a circular cylindrical shape, but any geometric shape or not is possible.

Grâce à la présente invention, on dispose d'un distributeur rechargeable dont le remplissage de réservoir s'effectue très simplement en poussant ou pressant le distributeur rechargeable sur la tige de soupape d'un flacon source. Le réservoir est rempli lorsque le distributeur rechargeable ne peut plus être déplacé par rapport au flacon source.Thanks to the present invention, there is a refillable dispenser whose reservoir filling is effected very simply by pushing or pressing the refillable dispenser on the valve stem of a source bottle. The reservoir is filled when the refillable dispenser can no longer be moved relative to the source bottle.

Il faut également noter que l'assemblage ou le montage de ce distributeur est extrêmement simple, étant donné que toutes les pièces constitutives sont de révolution et ne nécessitent aucune orientation angulaire. Les pièces peuvent être assemblées axialement les unes après les autres dans l'ordre représenté sur la figure 2. Concernant le récipient, l'insert 2 est engagé par le bas dans l'étui 1, puis l'organe coulissant 3 est introduit par le bas dans l'étui 1, suivi par le manchon fixe 4 qui vient d'engager autour du tube plongeur 23, puis le ressort 5 est engagé autour de la gaine 41, suivi par le support de clapet 6 qui vient en prise fixe à l'intérieur de l'organe coulissant 3 avec sa tubulure 63 qui vient se loger à l'intérieur du ressort 5 autour de la gaine 41. Puis le clapet de remplissage 7 est engagé à l'intérieur de son logement de réception 62. Finalement, le capot 8 peut être mis en place en bas de l'étui 1. Il suffit alors de monter la tête de distribution T sur le récipient, suivi par le capuchon de protection C. En résumé, on peut dire que l'organe coulissant 3 est engagé autour du tube plongeur 23, suivi par le manchon fixe 4 qui est fixé sur le tube plongeur 23, puis enfin le support de clapet 6 fixé à l'intérieur de l'organe coulissant 3. Comme susmentionné, le ressort 5 est une pièce intermédiaire optionnelle.It should also be noted that the assembly or assembly of this dispenser is extremely simple, since all the parts constitutive are of revolution and do not require any angular orientation. The parts can be assembled axially one after the other in the order shown in the figure 2 . Concerning the container, the insert 2 is engaged from below in the case 1, then the sliding member 3 is introduced from the bottom into the case 1, followed by the fixed sleeve 4 which has just engaged around the tube plunger 23, then the spring 5 is engaged around the sheath 41, followed by the valve support 6 which comes into fixed engagement inside the sliding member 3 with its tubing 63 which is housed inside the spring 5 around the sheath 41. Then the filling valve 7 is engaged inside its receiving housing 62. Finally, the cover 8 can be put in place at the bottom of the case 1. It is then sufficient to mount the distribution head T on the container, followed by the protective cap C. In summary, we can say that the sliding member 3 is engaged around the plunger tube 23, followed by the fixed sleeve 4 which is fixed on the plunger tube 23, then finally the valve support 6 fixed inside the sliding member 3. As mentioned above, the spring 5 is a part i ntermediate optional.

Claims (14)

  1. A refillable fluid product dispenser comprising a dispensing head (T) comprising a dispensing member (D), such as a pump or a valve, a variable-volume reservoir (R) and a filling valve (7) connected to the reservoir (R),
    wherein the dispensing member (D) is provided with a dip tube (23) which passes through the reservoir, a sliding member (3) comprising a movable piston (35) sliding in sealed contact around the dip tube (23) so as to vary the volume of the reservoir (R), the sliding member (3) being movable between a depressed position in which the sliding member (3) is located in the vicinity of the dispensing member (D) and an extended position in which the sliding member (3) is at a distance from the dispensing member (D), the reservoir (R) defining a maximum volume in the depressed position and a minimum volume in the extended position, so that the volume of the reservoir (R) grows when the sliding member (3) is depressed around the dip tube (23) towards the dispensing member (D),
    characterized in that the dip tube (23) is provided with a fixed piston (45) which slides in sealed contact in a movable barrel (31) formed by the sliding member (3), the movable piston (35) sliding around the dip tube (23) between the dispensing member (D) and the fixed piston (45), the reservoir (R) being axially delimited between the movable piston (35) and the fixed piston (45) and radially between the dip tube (23) and the movable barrel (31).
  2. The dispenser according to claim 1, wherein the dip tube (23) is permanently secured to the dispensing member (D) and the filling valve (7) is permanently secured to the sliding member (3).
  3. The dispenser according to claim 1 or 2, wherein the filling valve (7) communicates with the reservoir (R) through an intermediate chamber (I) of variable volume inversely to that of the reservoir (R).
  4. The dispenser according to claim 3, wherein the intermediate chamber (I) communicates with the reservoir (R) through at least a fixed channel (43) which is secured to the dip tube (23).
  5. The dispenser according to claim 4, wherein a fixed sleeve (4) is engaged around the dip tube (23) so as to define therebetween said at least one fixed channel (43), this fixed sleeve (4) defining a free lower end forming a sealing lip (42) which is sealingly slidably engaged in a movable tubing (63) secured to the sliding member (3), thus defining the intermediate chamber (I), the fixed piston (45) being advantageously formed by the fixed sleeve (4).
  6. The dispenser according to any one of the preceding claims, wherein the movable piston (35) is formed at one end of the movable barrel (31) and the filling valve (7) is mounted at the other end of the movable barrel (31).
  7. The dispenser according to any one of the preceding claims, wherein the filling valve (7) comprises a valve support (6) engaged in the movable barrel (31) and forming a movable tubing (63) in which a sealing lip (42) is engaged, thus defining together an intermediate chamber (I) through which the filling valve (7) communicates with the reservoir (R) .
  8. The dispenser according to any one of the preceding claims, further comprising a case (1) secured to the dip tube (23) and wherein the sliding member (3) is movable by sealed sliding around the dip tube (23).
  9. The dispenser according to claim 8, wherein the case (1) defines an open lower end through which the sliding member (3) protrudes in the extended position, the sliding member (3) being advantageously provided with a marking (32) indicating the state of filling of the reservoir (R).
  10. The dispenser according to claim 9, wherein the case (1) is provided with a cover (8) which closes off the open lower end, this cover (8) forming advantageously a reading window (82) revealing a marking (32) indicating the state of filling of the reservoir (R) affixed to the sliding member (3) .
  11. The dispenser according to any one of the preceding claims, wherein the sliding member (2) is elastically biased towards the extended position by a spring (5).
  12. The dispenser according to any one of the preceding claims, further comprising:
    - a sliding member (3) forming a movable barrel (31) and a movable piston (35),
    - a fixed sleeve (4) forming a fixed piston (45) and a sealing lip (42),
    - a filling valve (7) comprising a valve support (6) forming a movable tubing (63),
    wherein:
    - the movable piston (35) is sealingly slidably engaged around the dip tube (23),
    - the fixed sleeve (4) is fixedly engaged around the dip tube (23) by creating therebetween at least one fixed channel (43),
    the fixed piston (45) being sealingly slidably engaged in the movable barrel (31),
    - the valve support (6) is fixedly engaged in the movable barrel (31), with its movable tubing (63) engaged around the sealing lip (42).
  13. A method for mounting the dispenser of claim 12, wherein the sliding member (3), the fixed sleeve (4) and the valve support (7) are successively engaged one after the other in an axial manner without angular orientation.
  14. The method according to claim 13, wherein a spring (5) is engaged between the fixed sleeve (4) and the valve support (6).
EP17708850.7A 2016-01-25 2017-01-23 Refillable fluid product dispenser. Active EP3408034B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1650566A FR3046945B1 (en) 2016-01-25 2016-01-25 RECHARGEABLE FLUID DISPENSER.
PCT/FR2017/050130 WO2017129883A1 (en) 2016-01-25 2017-01-23 Refillable fluid product dispenser.

Publications (2)

Publication Number Publication Date
EP3408034A1 EP3408034A1 (en) 2018-12-05
EP3408034B1 true EP3408034B1 (en) 2020-10-28

Family

ID=55808635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17708850.7A Active EP3408034B1 (en) 2016-01-25 2017-01-23 Refillable fluid product dispenser.

Country Status (5)

Country Link
EP (1) EP3408034B1 (en)
BR (1) BR112018013056B1 (en)
ES (1) ES2837020T3 (en)
FR (1) FR3046945B1 (en)
WO (1) WO2017129883A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4750532A (en) * 1986-12-11 1988-06-14 Gisela Grothoff Device for extracting liquids contained therein and arrangement for filling the device
WO1996012566A1 (en) * 1994-10-20 1996-05-02 Victor Wassilieff Device for pressure diffusing a fluid product
FR2868050B1 (en) * 2004-03-24 2006-06-02 Oreal PRODUCT PACKAGING AND DISPENSING ASSEMBLY
FR2869302B1 (en) 2004-04-21 2006-07-14 Oreal ASSEMBLY FOR PACKAGING AND DISPENSING A PRODUCT, IN PARTICULAR A COSMETIC PRODUCT
FR2971774B1 (en) * 2011-02-23 2014-06-06 Valois Sas FLUID PRODUCT DISPENSER
CN203819764U (en) * 2014-04-30 2014-09-10 东莞怡信磁碟有限公司 Portable cream bottle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3046945B1 (en) 2022-07-15
FR3046945A1 (en) 2017-07-28
ES2837020T3 (en) 2021-06-29
EP3408034A1 (en) 2018-12-05
BR112018013056A2 (en) 2018-12-04
BR112018013056B1 (en) 2022-09-20
WO2017129883A1 (en) 2017-08-03

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