EP0733559B1 - Dispenser for liquid or pasty product, particularly for use in cosmetics - Google Patents

Dispenser for liquid or pasty product, particularly for use in cosmetics Download PDF

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Publication number
EP0733559B1
EP0733559B1 EP96400594A EP96400594A EP0733559B1 EP 0733559 B1 EP0733559 B1 EP 0733559B1 EP 96400594 A EP96400594 A EP 96400594A EP 96400594 A EP96400594 A EP 96400594A EP 0733559 B1 EP0733559 B1 EP 0733559B1
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EP
European Patent Office
Prior art keywords
push
button
reservoir
valve
characterized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96400594A
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German (de)
French (fr)
Other versions
EP0733559A1 (en
Inventor
Jean-Louis Gueret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
Priority to FR9503256 priority Critical
Priority to FR9503256A priority patent/FR2731992B1/en
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0733559A1 publication Critical patent/EP0733559A1/en
Application granted granted Critical
Publication of EP0733559B1 publication Critical patent/EP0733559B1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/30Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus the flow being effected by a pump
    • B05B11/3001Piston pumps
    • B05B11/3004Piston pumps comprising a movable cylinder and a stationary piston
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/0005Components or details
    • B05B11/0027Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0029Valves not actuated by pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/0005Components or details
    • B05B11/0037Containers
    • B05B11/0039Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0041Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure without contact of the fluid remaining in the container with the atmospheric air
    • B05B11/00412Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure without contact of the fluid remaining in the container with the atmospheric air the means being a collapsible or foldable bag or membrane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/0005Components or details
    • B05B11/0062Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0072A valve member forming part of an outlet opening
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/30Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus the flow being effected by a pump
    • B05B11/3001Piston pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/30Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus the flow being effected by a pump
    • B05B11/3042Components or details
    • B05B11/3073Springs
    • B05B11/3074Springs located outside pump chambers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/30Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus the flow being effected by a pump
    • B05B11/3042Components or details
    • B05B11/3073Springs
    • B05B11/3077Springs characterized by a particular shape or material

Description

La présente invention a pour objet un distributeur de produit liquide ou pâteux utilisable notamment en cosmétique. The present invention relates to a liquid or pasty product dispenser used in particular in cosmetics.

On connaít déjà des distributeurs qui comprennent un réservoir qui contient le produit liquide ou pâteux à distribuer et une chambre à volume variable constituée par exemple par un cylindre et un piston, le réservoir étant réuni par une première valve à la chambre à volume variable, laquelle débouche à l'extérieur du distributeur par une seconde valve de telle sorte qu'en faisant varier à l'aide d'un poussoir le volume de la chambre à volume variable, on exerce une action de pompage qui fait passer le produit liquide ou pâteux du réservoir dans la chambre à volume variable, puis à l'extérieur du distributeur. Are already known distributors which comprise a reservoir which contains the liquid or pasty product to be dispensed and a variable volume chamber formed for example by a cylinder and a piston, the reservoir being joined by a first valve to the variable volume chamber, wherein opens to the outside of the distributor by a second valve in such a way that by varying with the aid of a pusher the volume of the variable volume chamber, it exerts a pumping action which moves the liquid or pasty product the reservoir into the variable volume chamber and outside of the dispenser.

Un distributeur selon la première partie de la revendication 1 est connu du document US-A-5 100 027. A dispenser according to the first part of claim 1 is known from US-A-5,100,027.

De tels dispositifs connus présentent l'inconvénient, que si pour une raison quelconque, il se produit une surpression dans le récipient, le produit liquide ou pâteux s'écoule à l'extérieur du distributeur en ouvrant les deux valves qu'il rencontre sur son parcours, ce qui nuit à l'étanchéité du dispositif. Such known devices have the disadvantage that if for any reason there is an overpressure in the container, the liquid or pasty product flows out of the dispenser by opening the two valves it encounters on its route, which affects the tightness of the device.

De surcroít, lorsque de tels dispositifs connus sont utilisés avec un réservoir rigide non rétractable, il est nécessaire de laisser une ouverture pour le passage de l'air qui doit progressivement occuper la place du produit qui est extrait du récipient par le distributeur. Furthermore, when such known devices are used with a non-retractable rigid reservoir, it is necessary to leave an opening for the passage of the air to gradually take the place of the product being extracted from the receptacle by the distributor.

Cette ouverture est également une source de non étanchéité pour le dispositif. This opening is also a source of a leak for the device.

La présente invention vise par des moyens simples et efficaces à remédier aux inconvénients précités en assurant une immobilisation du poussoir qui provoque l'expulsion du produit. The present invention is a simple and effective means to overcome the aforementioned drawbacks by providing immobilization of the plunger which causes the expulsion of the product.

La présente invention a pour objet un distributeur de produit liquide ou pâteux utilisable notamment en cosmétique du type comportant un réservoir rétractable pour le produit à distribuer, ce réservoir étant relié par une première valve à une chambre à volume variable sous l'action d'un poussoir, ladite chambre à volume variable étant elle-même reliée à l'extérieur par une seconde valve, distributeur caractérisé par le fait que le corps du poussoir constitue avec un piston fixe solidaire du réservoir la chambre à volume variable, le corps du poussoir étant constitué de deux parties concentriques munies chacune d'un orifice pouvant pivoter l'une par rapport à l'autre entre une première position dans laquelle les orifices des deux parties du poussoir sont en face l'un de l'autre et une seconde position dans laquelle lesdits orifices ne sont pas en face l'un de l'autre de telle sorte que le produit contenu dans la chambre à volume variable ne peut s'évacuer à The present invention relates to a liquid or pasty product dispenser used in particular in cosmetics of the type comprising a retractable reservoir for the product to be dispensed, this reservoir being connected by a first valve to a variable volume chamber under the action of a pusher, said variable volume chamber being itself connected to the outside by a second valve, distributor characterized in that the body of the pusher is integral with a fixed piston of the reservoir the variable volume chamber, the body of the pusher being consisting of two concentric parts each provided with an orifice which can be pivoted relative to one another between a first position wherein the orifices of the two parts of the tappet are opposite one another and a second position wherein said orifices are not opposite one another so that the product contained in the variable volume chamber can be evacuated to travers la seconde valve externe et que le poussoir se trouve ainsi immobilisé. through the second external valve and that the pusher is thus immobilized.

Dans un mode de réalisation préféré de l'invention, on prévoit des butées sur les deux pièces du poussoir qui pivotent l'une par rapport à l'autre pour limiter leur rotation entre les positions pour lesquelles le canal débouchant sur la valve extérieure est ouvert ou fermé. In a preferred embodiment of the invention, there are provided abutments on the two parts of the plunger which pivot relative to each other to limit rotation between the positions for which the channel opening on the outer valve is open or closed.

Il est également avantageux de prévoir des moyens de repérage visibles de l'extérieur pour identifier les positions ouverte et fermée. It is also advantageous to provide visible identification means from the outside to identify open and closed positions.

Dans un mode de réalisation préféré de l'invention, les orifices communiquant des deux parties du poussoir sont situés au voisinage de l'endroit où la chambre à volume variable communique avec la seconde valve qui débouche sur l'extérieur. In a preferred embodiment of the invention, the ports communicating the two portions of the pushbutton are situated in the vicinity of where the variable volume chamber communicates with the second valve which opens to the outside.

Dans un mode de réalisation préféré de l'invention, la chambre à volume variable est constituée par un piston fixe muni de la première valve sur lequel coulisse un cylindre mobile incorporé à la partie inférieure du poussoir qui est repoussé par un ressort disposé autour du cylindre mobile et du piston fixe dans une cavité ménagée à la partie supérieure du réservoir. In a preferred embodiment of the invention, the variable volume chamber is formed by a stationary piston equipped with the first valve on which slides a mobile cylinder incorporated into the lower portion of the plunger which is urged by a spring disposed around the cylinder mobile and the stationary piston in a cavity formed at the top of the tank.

Dans une variante, le ressort est obtenu directement par moulage de matière plastique en même temps que la partie inférieure du poussoir avec laquelle il fait corps. Alternatively, the spring is obtained directly by molding of plastic material together with the lower part of the plunger with which it is integral.

La valve du piston peut être constituée par deux lèvres qui viennent s'appliquer spontanément l'une contre l'autre ou par un obturateur repoussé élastiquement pour venir s'engager dans un orifice du piston. The valve piston can be constituted by two lips coming spontaneously apply one against the other or by a shutter pushed elastically to be engaged in an orifice of the piston.

Dans le but de mieux faire comprendre toutes les caractéristiques de l'invention, on va en décrire maintenant à titre d'illustration et sans aucun caractère limitatif un mode de réalisation pris comme exemple de l'invention et représenté sur le dessin annexé dans lequel : In order to better understand all the features of the invention will be described now by way of illustration and without any limiting nature an embodiment taken as an example of the invention and shown in the accompanying drawing in which:

  • la figure 1 est une vue schématique en coupe longitudinale d'un premier mode de réalisation de l'invention, Figure 1 is a schematic view in longitudinal section of a first embodiment of the invention,
  • la figure 2 est une vue en perspective avec coupe partielle représentant les deux parties du poussoir qui constituent la chambre à volume variable du mode de réalisation de la figure 1. FIG 2 is a partial fragmental perspective view showing the two parts of the plunger which form the variable volume chamber of the embodiment of Figure 1.
  • la figure 3 est une vue en coupe d'un second mode de réalisation de l'invention et Figure 3 is a sectional view of a second embodiment of the invention and
  • la figure 4 est une section selon IV-IV de la figure 3. Figure 4 is a section on IV-IV of Figure 3.

On voit sur la figure 1, un réservoir souple 1 muni d'un bouchon 2 dont la périphérie se clique en 3 sur la partie supérieure d'un récipient rigide 4 qui entoure le réservoir souple 1. It is seen in Figure 1, a flexible container 1 with a stopper 2 whose periphery clicks into three on the upper portion 4 of a rigid container which surrounds the flexible reservoir 1.

La partie haute du réservoir souple 1 est soudée ou collée en 6 sur la périphérie externe du bouchon 2. Après avoir été rempli par son extrémité inférieure du produit 5 à distribuer, le réservoir souple 1 est soudé en 1 a . The upper part of one bladder is welded or glued in 6 on the outer periphery of the cap 2. After having been filled with its lower end 5 of the product to be dispensed, the flexible container 1 is welded 1a.

Le réservoir 1 présente l'avantage de pouvoir se déformer au fur et à mesure de la distribution du produit qu'il contient, de telle sorte qu'il n'est pas nécessaire de prévoir un orifice pour sa mise à l'air libre. The tank 1 has the advantage of being able to deform As the distribution of the product contained therein, so that it is not necessary to provide a hole for putting in the open air.

Le bouchon 2 comporte axialement un tube 7 qui est muni à sa partie supérieure d'un piston 8 avec un orifice central formant une première valve 9 qui se trouve fermée à l'état de repos. The cap 2 comprises axially a tube 7 which is provided at its upper part of a piston 8 with a central opening forming a first valve 9 which is closed in the rest state.

Un poussoir 10 comporte une pièce inférieure 10 b constituée par un cylindre 11 muni d'un flasque 12 et d'une jupe 13 dont la périphérie coulisse à l'intérieur de l'évidement annulaire qui est délimité par la paroi interne du bouchon 2. A pusher 10 comprises a lower part 10 b formed by a cylinder 11 provided with a flange 12 and a skirt 13 which slides inside periphery of the annular recess which is bounded by the inner wall of cap 2.

Deux bossages annulaires 14 et 15 pratiqués d'une part sur la paroi interne du bouchon 2 et d'autre part sur la périphérie externe de la jupe 13 du poussoir, limitent le déplacement vers le haut de ce dernier sous l'action du ressort 16 qui est logé dans l'espace annulaire du bouchon 2. Two annular projections 14 and 15 charged on the one hand on the inner wall of cap 2 and the other hand on the outer periphery of the skirt 13 of the plunger, limits the upward displacement of the latter under the action of the spring 16 which is accommodated in the annular space of the plug 2.

Lors du montage, le bossage 15 peut facilement être engagé en-dessous du bossage 14 en raison de l'élasticité de la matière plastique dont sont faites les diverses pièces du distributeur. During assembly, the projection 15 can easily be engaged below the boss 14 due to the elasticity of the plastic material of which are made the various parts of the dispenser.

Le bouchon 2 est prolongé à sa partie inférieure dans l'axe du tube 7 par plusieurs barrettes 17 réunies à leur extrémité inférieure par une rondelle percée 18. The stopper 2 is extended at its lower portion in the axis of tube 7 by a plurality of bars 17 joined at their lower end by a hole washer 18.

Ces barrettes 17 ont pour objet de maintenir le réservoir souple 1 lors de sa contraction résultant de la consommation progressive du produit 5 qu'il contient, en évitant qu'il se forme des poches où séjournerait une partie du produit 5 qui ne pourrait être aspiré par la chambre à volume variable 19 située à l'intérieur du bouton-poussoir 10. These bars 17 are intended to maintain the flexible container 1 during its contraction resulting from the gradual consumption of the product 5 therein, without causing it to form pockets where sojourn part of the product 5 which can not be sucked by the variable volume chamber 19 located inside the push button 10.

En d'autres termes, la présence des barrettes 17 assure, quel que soit l'état de remplissage du réservoir 1, l'existence d'un canal axial par lequel le produit 5 peut s'écouler jusqu'à la chambre à volume variable 19. In other words, the presence of the strips 17 ensures, regardless of the tank filling state 1, the existence of an axial channel through which the product 5 can flow to the variable volume chamber 19.

Le bord supérieur de la partie cylindrique 11 du bouton-poussoir 10 comporte un orifice latéral 20. The upper edge of the cylindrical portion 11 of the push button 10 includes a side port 20.

La partie supérieure 10 a du bouton-poussoir 10 comporte une première jupe cylindrique externe 22 dont une nervure circulaire 23 vient se cliquer dans un évidement correspondant de la paroi cylindrique 11 de la partie inférieure 10 b du poussoir 10. The upper part 10a of the push button 10 includes a first outer cylindrical skirt 22 having a circular rib 23 comes to click into a corresponding recess of the cylindrical wall 11 of the lower part 10 b of the pusher 10.

La partie supérieure 10 a du poussoir 10 comporte également une seconde jupe cylindrique interne 24 située de l'autre côté de la paroi cylindrique 11. The upper part 10a of the pusher 10 also includes a second inner cylindrical skirt 24 located on the other side of the cylindrical wall 11.

La jupe 24 comporte un orifice 25 qui, comme cela est représenté sur la figure 1, peut être amené en coïncidence avec l'orifice 20 de la paroi cylindrique 11, en faisant pivoter la partie supérieure 10 a du poussoir par rapport à sa partie inférieure 10 b . The skirt 24 has a hole 25 which, as shown in Figure 1, can be brought into coincidence with the orifice 20 of the cylindrical wall 11 by pivoting the upper part 10a of the plunger relative to its lower part 10 b.

Dans cette position, les orifices 20 et 25 communiquent avec le canal 26 qui conduit à la seconde valve 27 laquelle débouche sur l'extérieur du distributeur. In this position, the orifices 20 and 25 communicate with the channel 26 which leads to the second valve 27 which opens to the outside of the dispenser.

On a représenté sur la figure 2, une vue en perspective de la partie supérieure 10 a partiellement coupée et de la partie inférieure 10 b du poussoir 10. There is shown in Figure 2, a perspective view of the upper part 10 partially cut and the lower portion 10b of the pusher 10.

On retrouve sur cette figure la rainure 23 dans laquelle s'engage le bossage correspondant réalisé sur la surface interne de la jupe 22 de la partie supérieure 10 a du poussoir, ce qui permet de maintenir la partie 10 a sur la partie 10 b tout en lui permettant de pivoter autour de son axe vertical. Found in this figure the groove 23 in which engages a corresponding boss formed on the inner surface of the skirt 22 of the upper portion 10a of the pusher, which keeps the portion 10 a over the part 10 b while enabling it to pivot about its vertical axis.

Des butées non représentées permettent de limiter le pivotement angulaire de la partie supérieure 10 a par rapport à la partie inférieure 10 b du poussoir de manière, à ce que dans une position les orifices 20 et 25 se trouvent en correspondance alors que dans l'autre position, ils ne le sont pas. Unrepresented stops are used to limit the angular pivoting of the upper part 10 a to the lower part 10 b of the pusher so, that in one position the apertures 20 and 25 are matched while in the other position, they are not.

Selon un mode de réalisation préféré, la jupe 13 de la partie inférieure 10 b présente, comme on le voit sur la figure 2, un contour ovale qui correspond à la forme générale du récipient rigide 4. According to a preferred embodiment, the skirt 13 of the lower part 10 b has, as seen in Figure 2, an oval contour which corresponds to the general shape of the rigid container 4.

Cette forme ovale présente l'avantage d'éviter que la partie inférieure 10 b du poussoir 10 ne soit entraínée en rotation lors du mouvement de la partie supérieure 10 a qui permet de passer facilement de la position où les orifices 20 et 25 sont en correspondance à la position où ils ne le sont pas et inversement. This oval shape has the advantage to avoid that the lower part 10 b of the pusher 10 is rotated upon movement of the upper part 10 a which provides easy switching of the position where the orifices 20 and 25 are in correspondence at the position where they are not and vice versa.

On comprend que pour extraire le produit 5 hors du distributeur, il suffit de faire pivoter la partie supérieure 10 a du poussoir 10 pour l'amener dans la position où les orifices 20 et 25 sont en face l'un de l'autre, puis d'appuyer sur le poussoir 10 dans le sens de la flèche F de la figure 1 pour réduire le volume de la chambre à volume variable 19 en comprimant le ressort 16. It is understood that to extract the product out of the dispenser 5, simply rotate the upper portion 10a of the plunger 10 to bring it into the position where the orifices 20 and 25 are opposite one another and pressing the pusher 10 in the direction of the arrow F of Figure 1 to reduce the volume of the variable volume chamber 19 by compressing the spring 16.

En relâchant l'effort sur le poussoir, le ressort 16 repousse ce dernier vers le haut en créant à l'intérieur de la chambre 19 une dépression qui aspire à son intérieur le produit 5 se trouvant dans le réservoir 1. Releasing the force on the pusher spring 16 pushes the latter upwards by creating within the chamber 19 a vacuum which sucks in its interior the product 5 is situated in the reservoir 1.

Lorsque la chambre 19 est initialement vide, il suffit de quelques pressions successives sur le poussoir F pour la remplir ainsi que le canal 26 du produit 5 qui est ensuite expulsé à l'extérieur en repoussant la seconde valve 27. When the chamber 19 is initially empty, just a few successive presses on the push-button F for fill and the channel 26 of the product 5 which is then expelled to the outside by pushing the second valve 27.

Lorsque le distributeur a déjà été utilisé, il suffit d'appuyer sur le poussoir 10 pour que le produit qui se trouve dans le canal 26 et dans la chambre 19 soit expulsé à l'extérieur par la valve 27, tandis que la surpression régnant à l'intérieur du volume 19 maintient fermée la valve 9 qui communique avec le réservoir 1. When the dispenser has been used, it is sufficient to press the pushbutton 10 so that the product which is located in the channel 26 and into the chamber 19 is expelled to the outside through the valve 27 while the pressure prevailing within the volume 19 maintains closed the valve 9 which communicates with the reservoir 1.

Lorsque l'on fait pivoter la partie supérieure 10 a du poussoir de sorte que les orifices 20 et 25 ne se trouvent plus en communication et que l'orifice 20 est obturé par la jupe intérieure 24, le produit qui occupe la chambre à volume variable 19 ne peut plus s'échapper de cette dernière ce qui rend impossible un déplacement du poussoir 10 vers le bas. When one rotates the upper part 10a of the plunger so that the orifices 20 and 25 are no longer in communication and that the orifice 20 is closed by the inner skirt 24, the product which occupies the variable volume chamber 19 can not escape from it which makes impossible a movement of the plunger 10 down.

Il en résulte que le produit 5 qui se trouve dans le canal 26 entre la valve 27 et la jupe 24 ne risque pas de se répandre à l'extérieur du distributeur. It follows that the product 5 which is located in the channel 26 between the valve 27 and the skirt 24 is not likely to spread outside of the dispenser.

Il en résulte également que la jupe 22 ne risque pas de se détacher du cylindre 11 en cas de poussée accidentelle sur le poussoir 10 car la rainure 23 est isolée du canal 26. En d'autres termes, la zone servant à retenir la partie pivotante du poussoir sur l'autre partie servant de support est isolée, lorsque les orifices 20 et 25 ne sont plus en communication, du produit se trouvant à l'intérieur de la partie servant de support. It also follows that the skirt 22 is not likely to detach from the cylinder 11 Accidental thrust on the pusher 10 because the groove 23 is isolated from the channel 26. In other words, the area for holding the pivotable part the pusher on the other part for support is isolated when the ports 20 and 25 are no longer in communication of the product located within the portion serving as a support.

On a représenté sur les figures 3 et 4 un second mode de réalisation de l'invention sur lequel on retrouve le bouchon 2 placé sur la partie supérieure du récipient, qui reçoit le poussoir 10 constitué par une pièce inférieure 10 b constituée par un cylindre 11 muni d'un flasque 12 portant une jupe 13. There is shown in Figures 3 and 4 a second embodiment of the invention which include the plug 2 placed on the top of the container, which receives the pusher 10 consisting of a lower part 10 b formed by a cylinder 11 provided with a flange 12 carrying a skirt 13.

Dans ce mode de réalisation, le ressort 16 qui repousse le poussoir vers le haut constitue une pièce unique avec la jupe 13, venue lors du moulage de la matière plastique. In this embodiment, the spring 16 which pushes the pusher upward constitutes a single piece with the skirt 13, come during the molding of the plastic.

Dans le mode de réalisation de la figure 3, la valve du piston fixe 8 est constituée par un téton 9 entouré sur sa périphérie par des orifices 9 a pour laisser passer le produit contenu dans le réservoir, le téton 9 s'appuyant élastiquement contre l'orifice 9 b pratiqué dans la partie haute du tube 7 qui est solidaire du bouchon 2. In the embodiment of Figure 3, the valve 8 of the fixed piston is constituted by a lug 9 surrounded on its periphery by holes 9a for passing the product contained in the tank, the stud 9 is elastically pressing against the hole 9b formed in the upper part of the tube 7 is integral with the plug 2.

Lorsqu'après avoir été comprimé vers le bas, le poussoir 10 est relâché, le vide qui se crée dans la chambre 19 provoque le soulèvement du téton 9, ce qui permet au produit contenu dans le réservoir de s'écouler par les orifices 9 b et 9 a pour parvenir dans la chambre 19 d'où il est expulsé lorsque l'on abaisse à nouveau le poussoir 10 en s'écoulant par les canaux 25 et 26 comme cela était précédemment décrit pour le premier mode de réalisation. When, after having been pressed down, the pusher 10 is released, the vacuum which is created in the chamber 19 causes the lifting of the stud 9, which allows the product contained in the reservoir to flow through the orifices 9 b and 9 is to reach into the chamber 19 from where it is expelled when it lowers again the pusher 10 flowing through the channels 25 and 26 as was previously described for the first embodiment.

On a schématiquement représenté sur la figure 4, comment la partie interne tubulaire 11 du poussoir 10 comporte sur environ un quart de sa périphérie deux butées 11 a et 11 b délimitant un évidement 11 c . Is schematically shown in Figure 4, how the tubular inner portion 11 of pushbutton 10 comprises about a quarter of its periphery two abutments 11a and 11b defining a recess 11c.

On voit également sur la figure 4 comment la partie supérieure 10 a du poussoir comporte à l'intérieur de sa paroi cylindrique 22 une nervure 22 a qui coopère avec les butées 11 a et 11 b pour limiter la rotation de la partie supérieure 10 a du poussoir entre une position représentée sur la figure 3 dans laquelle les orifices 20, 25 et 26 sont en correspondance et une autre position non représentée pour laquelle la partie supérieure du tube 11 ne comporte pas d'ouverture 20 et de ce fait obture le passage entre les ouvertures 25 et 26, ce qui évite tout écoulement vers l'extérieur du produit contenu dans le volume 19 même si l'on appuie sur le poussoir 10. Also shown in Figure 4 how the upper part 10a of the pusher includes within its cylindrical wall 22 has a rib 22 which cooperates with the stops 11a and 11b for limiting the rotation of the upper part 10a of the pusher between a position shown in Figure 3 wherein the orifices 20, 25 and 26 are in register and another position not shown in which the upper tube 11 has no opening 20 and thus closes the passage between the apertures 25 and 26, which prevents outward flow of the product contained in the volume 19 even if you press the pushbutton 10.

Comme on le voit, le distributeur selon l'invention est d'une construction particulièrement simple et économique tout en offrant une parfaite sécurité vis-à-vis des écoulements indésirés du produit vers l'extérieur. As shown, the dispenser of the invention is a particularly simple and economical construction while providing a perfect vis-à-vis security undesired flow of product to the outside.

La structure générale du distributeur selon l'invention permet une réalisation facile des différentes pièces qui sont de forme simple et en nombre réduit par moulage en matière plastique. The general structure of the dispenser according to the invention allows easy implementation of the various parts which are simple in shape and number reduced by plastic molding.

Il est bien entendu que le mode de réalisation qui vient d'être décrit ci-dessus ne présente aucun caractère limitatif et qu'il pourra recevoir modifications sans sortir pour cela du cadre de l'invention. It is understood that the embodiment just described above has no limiting and can receive modifications without departing from the scope of the invention.

En particulier, le réservoir souple 1 peut être remplacé par un réservoir à piston suiveur dont le volume utile diminue progressivement en fonction de la consommation du produit. In particular, the flexible container 1 may be replaced by a follower piston reservoir whose useful volume gradually decreases as the consumption of the product.

Claims (8)

  1. Dispenser of liquid or pasty product which can be used particularly in cosmetics, of the type including a contractable reservoir (1) for the product to be dispensed, this reservoir (1) being connected by a first valve (9) to a chamber (19) whose volume can vary under the action of a push-button (10), the said variable-volume chamber (19) being itself connected to the outside by a second valve (27), the dispenser being characterized in that the body of the push-button (10) forms, with a stationary piston (8) integral with the reservoir (1), the variable-volume chamber (19), the body of the push-button (10) being formed of two parts (10a, 10b) each equipped with an orifice (20, 25) and able to be twisted with respect to one another between a first position in which the orifices (20, 25) of the two parts (10a, 10b) of the push-button face one another and a second position in which the orifices (20, 25) do not face one another so that the product (5) contained in the variable-volume chamber (19) cannot reach the second valve (27) and so that the push-button (10) is thus immobilized.
  2. Dispenser according to Claim 1, characterized in that the orifices (20, 25) of the two parts (10a, 10b) of the push-button (10) are situated close to the point where the variable-volume chamber (19) communicates via a duct (26) with the second valve (27) in order to open to the outside.
  3. Dispenser according to either one of the preceding claims, characterized in that the variable-volume chamber (19) is formed by a stationary piston (8) equipped with the first valve (9), on which piston there slides a mobile cylinder (11) incorporated into the lower part (10b) of the push-button which is pushed back by a spring (16) arranged around the mobile cylinder (11) and the stationary piston (8) in a cavity formed at the upper part of the reservoir (1).
  4. Dispenser according to one of Claims 1 and 2, characterized in that the push-button (10) is pushed back upwards by a spring (16) moulded integrally as a single piece with the lower part (10b) of the push-button (10).
  5. Dispenser according to one of Claims 3 and 4, characterized in that the lower part (10b) of the push-button (10) includes a flange (12) equipped on its periphery with a skirt (13) which slides against the internal peripheral surface of an annular cavity of the stopper (2) which seals off the upper part of the receptacle.
  6. Dispenser according to any one of the preceding claims, characterized in that the reservoir (1) is a flexible reservoir, the volume of which reduces as the product it contains is used up.
  7. Dispenser according to any one of Claims 1 to 5, characterized in that the reservoir (1) includes a part equipped with a follower piston which moves gradually in order to reduce the volume of the reservoir as the product contained in the reservoir is used up.
  8. Dispenser according to any one of the preceding claims, characterized in that the lower part (10b) and the upper part (10a) of the push-button (10) include valves allowing the open and closed positions of the duct (26) ending at the second outside valve (27) to be identified visually.
EP96400594A 1995-03-21 1996-03-21 Dispenser for liquid or pasty product, particularly for use in cosmetics Expired - Lifetime EP0733559B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9503256 1995-03-21
FR9503256A FR2731992B1 (en) 1995-03-21 1995-03-21 liquid or pasty product dispenser used in particular in cosmetic

Publications (2)

Publication Number Publication Date
EP0733559A1 EP0733559A1 (en) 1996-09-25
EP0733559B1 true EP0733559B1 (en) 1998-11-11

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EP96400594A Expired - Lifetime EP0733559B1 (en) 1995-03-21 1996-03-21 Dispenser for liquid or pasty product, particularly for use in cosmetics

Country Status (8)

Country Link
US (1) US5617976A (en)
EP (1) EP0733559B1 (en)
JP (1) JP3635594B2 (en)
AT (1) AT173225T (en)
CA (1) CA2172229C (en)
DE (2) DE69600939D1 (en)
ES (1) ES2126365T3 (en)
FR (1) FR2731992B1 (en)

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US7644842B2 (en) 2004-01-27 2010-01-12 Medical Instill Technologies, Inc. Dispenser having variable-volume storage chamber and depressible one-way valve assembly for dispensing creams and other substances
US7651291B2 (en) 2003-07-17 2010-01-26 Medical Instill Technologies, Inc. Dispenser with one-way valve for storing and dispensing metered amounts of substances
US7798185B2 (en) 2005-08-01 2010-09-21 Medical Instill Technologies, Inc. Dispenser and method for storing and dispensing sterile food product
US7810677B2 (en) 2004-12-04 2010-10-12 Medical Instill Technologies, Inc. One-way valve and apparatus and method of using the valve
US7850051B2 (en) 2004-12-04 2010-12-14 Medical Instill Technologies, Inc. Apparatus having one-way valve
US7861750B2 (en) 2003-05-12 2011-01-04 Medical Instill Technologies, Inc. Dispenser and apparatus and method of filling a dispenser
CN101432078B (en) 2004-06-29 2011-11-16 克拉克消费者产品公司 Portable sprayer
US8240521B2 (en) 2000-10-23 2012-08-14 Medical Instill Technologies, Inc. Fluid dispenser having a one-way valve, pump, variable-volume storage chamber, and a needle penetrable and laser resealable portion
US8348104B2 (en) 2006-09-08 2013-01-08 Medical Instill Technologies, Inc. Apparatus for dispensing fluids
US8376189B2 (en) 2010-05-07 2013-02-19 Alps Llc Dispensing machine valve and method
US8672195B2 (en) 2002-08-13 2014-03-18 Medical Instill Technologies, Inc. Device with chamber and first and second valves in communication therewith, and related method
US8757436B2 (en) 2000-10-23 2014-06-24 Medical Instill Technologies, Inc. Method for dispensing ophthalmic fluid
US10464801B2 (en) 2018-04-10 2019-11-05 Medinstill Development Llc One-way valve and apparatus and method of using the valve

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US8757436B2 (en) 2000-10-23 2014-06-24 Medical Instill Technologies, Inc. Method for dispensing ophthalmic fluid
US8240521B2 (en) 2000-10-23 2012-08-14 Medical Instill Technologies, Inc. Fluid dispenser having a one-way valve, pump, variable-volume storage chamber, and a needle penetrable and laser resealable portion
US8220507B2 (en) 2001-10-16 2012-07-17 Medical Instill Technologies, Inc. Dispenser and method for storing and dispensing sterile product
US9408455B2 (en) 2002-08-13 2016-08-09 MedInstill Development, LLC Container and valve assembly for storing and dispensing substances, and related method
US8672195B2 (en) 2002-08-13 2014-03-18 Medical Instill Technologies, Inc. Device with chamber and first and second valves in communication therewith, and related method
US7861750B2 (en) 2003-05-12 2011-01-04 Medical Instill Technologies, Inc. Dispenser and apparatus and method of filling a dispenser
US9440773B2 (en) 2003-07-17 2016-09-13 Medinstill Development Llc Device with one-way valve
US7651291B2 (en) 2003-07-17 2010-01-26 Medical Instill Technologies, Inc. Dispenser with one-way valve for storing and dispensing metered amounts of substances
US8240934B2 (en) 2003-07-17 2012-08-14 Medical Instill Technologies, Inc. Dispenser with one-way valve for storing and dispensing substances
US7644842B2 (en) 2004-01-27 2010-01-12 Medical Instill Technologies, Inc. Dispenser having variable-volume storage chamber and depressible one-way valve assembly for dispensing creams and other substances
CN101432078B (en) 2004-06-29 2011-11-16 克拉克消费者产品公司 Portable sprayer
US7810677B2 (en) 2004-12-04 2010-10-12 Medical Instill Technologies, Inc. One-way valve and apparatus and method of using the valve
US8104644B2 (en) 2004-12-04 2012-01-31 Medical Instill Technologies, Inc. One-way valve and apparatus and method of using the valve
US7850051B2 (en) 2004-12-04 2010-12-14 Medical Instill Technologies, Inc. Apparatus having one-way valve
US8602259B2 (en) 2004-12-04 2013-12-10 Medical Instill Technologies, Inc. One-way valve and apparatus and method of using the valve
US7798185B2 (en) 2005-08-01 2010-09-21 Medical Instill Technologies, Inc. Dispenser and method for storing and dispensing sterile food product
US8348104B2 (en) 2006-09-08 2013-01-08 Medical Instill Technologies, Inc. Apparatus for dispensing fluids
US8550308B2 (en) 2006-09-08 2013-10-08 Medical Instill Technologies, Inc. Apparatus for dispensing fluids
US8356733B2 (en) 2006-09-08 2013-01-22 Medical Instill Technologies, Inc. Method for dispensing fluids
US8910833B2 (en) 2010-05-07 2014-12-16 Alps, Llc Dispensing machine valve and method
US9423041B2 (en) 2010-05-07 2016-08-23 Alps Llc Dispensing machine valve and method
US8376189B2 (en) 2010-05-07 2013-02-19 Alps Llc Dispensing machine valve and method
US10464801B2 (en) 2018-04-10 2019-11-05 Medinstill Development Llc One-way valve and apparatus and method of using the valve

Also Published As

Publication number Publication date
FR2731992B1 (en) 1997-04-30
ES2126365T3 (en) 1999-03-16
DE69600939T2 (en) 1999-05-12
AT173225T (en) 1998-11-15
CA2172229A1 (en) 1996-09-22
JP3635594B2 (en) 2005-04-06
JPH08258858A (en) 1996-10-08
DE69600939D1 (en) 1998-12-17
EP0733559A1 (en) 1996-09-25
FR2731992A1 (en) 1996-09-27
US5617976A (en) 1997-04-08
CA2172229C (en) 2003-05-06

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