EP0669268B1 - Dispensing device for a product and press-button for such a device - Google Patents

Dispensing device for a product and press-button for such a device Download PDF

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Publication number
EP0669268B1
EP0669268B1 EP19950400362 EP95400362A EP0669268B1 EP 0669268 B1 EP0669268 B1 EP 0669268B1 EP 19950400362 EP19950400362 EP 19950400362 EP 95400362 A EP95400362 A EP 95400362A EP 0669268 B1 EP0669268 B1 EP 0669268B1
Authority
EP
European Patent Office
Prior art keywords
push button
valve
zone
container
axis
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
EP19950400362
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German (de)
French (fr)
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EP0669268A1 (en
Inventor
Philippe Renault
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
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LOreal SA
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Publication date
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/205—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/46—Tilt valves

Definitions

  • the invention relates to a device for actuating a dispensing valve fitted to a container containing a liquid product to be dispensed, in particular cosmetic (lacquer) or pharmaceutical, the valve comprising a tubular control rod.
  • the device is of the type which includes a push button in the form of a cap and comprising a pin capable of acting on the rod, a conduit passing through the pin and connecting the outlet of the tubular rod to a nozzle provided in the push button.
  • a retaining ring suitable for being fixed on the container, being furthermore provided for the maintenance of the push button, the push button comprising an area of application of a force on the push button to actuate the valve d '' an angular extent of at least 180 °.
  • a device for dispensing a product as described in the preamble of Claim 1 and equipped with a device for actuating a dispensing valve is known, for example from FR-A-2 661 661.
  • the push-button comprises support means capable of cooperating, in order to actuate the valve, with stop means of a retaining ring fixed on the container.
  • the push button comprises a cylindrical sleeve extending in the concave part of the internal face of the push button and having a radial shoulder in the form of a circular ring capable of cooperating with the stop means of the ring.
  • the installation of the fixing ring - push button distributor assembly may inadvertently trigger the valve and therefore release a quantity of product. This untimely actuation of the valve during assembly is due to a lack of flexibility of the device.
  • FR-A-2 627 157 a safety control device in which it is necessary to deform a part of the retaining ring of the push button so that it can be actuated.
  • a stop lug in contact with the valve cup makes it possible to limit the deformation of the ring.
  • the object of the present invention is precisely a device for actuating a dispensing valve fitted to a container containing a product to be dispensed, making it possible in particular to remedy these drawbacks.
  • This device has, in particular, good flexibility avoiding actuation of the valve during its mounting on the container and also makes it possible to control the flow of the aerosol during use.
  • the invention therefore relates to a sensitive device for dispensing a product as defined in claim 1.
  • the Applicant has found, surprisingly, that by directly connecting the push button to the retaining ring by a flexible thin wall distributed evenly over the periphery of the push button, a device is obtained having good flexibility of actuation over the entire area of application of the actuating force of the valve.
  • This flexibility is due to the cooperation of a crushing movement of the flexible thin wall at the point of pressing on the push button and of a stretching movement of the flexible thin wall at the diametrically opposite place. where the push button is pressed. Thanks to this tilting, a sensitive push button is obtained.
  • the invention makes it possible to facilitate the manufacture and assembly of such a device.
  • the fabric has a U-shaped cross section, the concavity of which is turned towards the side opposite the container.
  • the fabric in cross section has the shape of a straight line.
  • the fabric can be continuous and extend along the entire periphery of the push button.
  • the fabric may be discontinuous and be formed by several segments distributed regularly over the periphery of the push button.
  • an abutment tab is provided under the push button, substantially in the same radial direction as the nozzle, to cooperate with an abutment zone linked to the container.
  • the abutment zone linked to the container may consist of an edge zone set with a cup used for fixing the valve.
  • the device comprises a "tilt" valve, the opening of which is controlled by the tilting of the rod relative to the axis of the valve.
  • a tilt valve reacts to a slight lateral stress, which gives the control a great feeling of softness.
  • valve the opening of which is controlled by a substantially axial depression of the control rod.
  • the push button can be arranged to ensure lateral mounting of the nozzle with a product outlet orifice having an axis oriented transversely to the axis of the valve control rod.
  • the push-button can be arranged for mounting the nozzle in the axis of the control rod, with product outlet oriented along said axis.
  • the invention also relates to a sensitive push button as defined in claim 12.
  • a stop tab can be provided under the push button, substantially in the same radial direction as a nozzle.
  • Figure 1 of these drawings is an axial vertical section in the closed position of a device, according to a first variant, for actuating a dispensing valve, according to the invention, shown mounted on the upper end of an aerosol can.
  • Figure 2 shows, similarly to Figure 1, the device in the valve actuation position.
  • Figure 3 shows, similarly to Figure 1, an alternative embodiment with axial product outlet.
  • Figure 4 shows, similarly to Figure 1, another alternative embodiment with axial product outlet.
  • Figure 5 finally, similarly shows in Figure 1, another alternative embodiment with axial product outlet.
  • the device 1 comprises a push button 4, in the form of a cap, which comprises, along the axis of its concavity, a cylindrical pin 5 secured to the upper wall of the push button 4.
  • the pin 5 is crossed by a conduit 6 axial, which is connected, in the upper part, to a transverse channel 7 leading to a nozzle 8 conventionally mounted on a centering piece 9 (generally known under the name "center post") provided in the push button 1, right angle of the axis of the duct 6.
  • the lower part of the conduit 6 has a larger diameter so as to form a housing 10 suitable for receiving with slight tightening the upper end of a control rod 11 of the valve 2.
  • the valve 2 is of the “tilt” valve type, the opening of which is controlled by a tilting of the rod 11 relative to the axis A of the valve.
  • the valve 2 comprises a body 12 open at its two longitudinal ends and bordered, in the upper part, with a collar crimped in a cup 13 also fixed by crimping on the rolled edge 14 with a circular opening provided at the upper end of the container 3.
  • the valve body 12 is provided, in the upper part, with a sealing washer 15 crossed by the rod 11.
  • the washer 15 establishes a seal between the wall of the cup 13 and the valve body 12.
  • the rod 11 comprises , at its lower end, a sort of hollow plate 16, the periphery of which is provided with a rib 17 capable of being applied in a sealed manner against the washer 15, under the action of a spring R placed in the body 12.
  • the internal volume of the hollow plate 16 communicates with the interior of the rod 11 through an orifice 18.
  • at least one orifice 19 is provided in the upper wall of the plate 16, radially outside the rod 11 but at inside the rib 17.
  • the rib 17 moves away from the washer 15, according to a certain angular extent, which makes it possible to establish communication between the interior of the valve body and the interior r of the rod 11 through the orifices 19 and 18.
  • the valve is then opened as illustrated in FIG. 2.
  • the push button 4 has, below its wall, a stop tab 20 located substantially in the same radial direction as the nozzle 8 and suitable for coming to bear against a complementary stop means linked to the container 3 and constituted by a zone 21 of the fixing edge of the cup 13.
  • the upper wall of the push-button 4 has a support zone 22 situated substantially opposite to the radial direction of the stop 20.
  • the push button 4 forms a single piece with a retaining ring 23 in the form of a cylindrical skirt, the lower part of which comprises, towards the inside, a bead 24 capable of snapping into a peripheral groove of the container 3.
  • the push-button 4 is connected to the ring 23 by a flexible flexible wall called a canvas 25, allowing movements of the push-button 4, relative to the ring 23, sufficient to control the opening of the valve 2.
  • the fabric 25, as visible in FIGS. 1 and 2, has a U-shaped cross section whose concavity is turned on the side opposite to the container 3.
  • the fabric 25 can be continuous and extend along the entire periphery of the push button 4
  • the fabric 25 is discontinuous and is formed by several segments distributed regularly over the periphery of the push button 4.
  • the skirt 23 has, at its upper end, a fastening ring 26 of diameter slightly smaller than that of the skirt.
  • a cover 27 can snap onto the rod 26.
  • the cylindrical wall of the cover 27 is advantageously in the extension of the cylindrical wall of the skirt 23.
  • the nozzle 8 is firstly mounted on the push button 4.
  • the cover 27 is then snapped onto the bead 26.
  • This sub-assembly is then slammed onto the can 3 by engagement of the bead 24 of the skirt 23 in the groove from the can.
  • the user removes the cover 27 and presses the push button 4 in the zone 22.
  • the button 4 is pushed towards the side of this zone 22.
  • the fabric 25 is crushed at the location of support while the tab 20 is pressing against the zone 21.
  • the flexible fabric 25 is crushed while at the place diametrically opposite to the place of support on the push-button, relative to the valve stem, the flexible fabric 25 stretches. In this case, it is the fabric 25 which, when deformed, serves as a pivot axis for tilting the push button.
  • the pin 5 rocks slightly relative to the axis A of the valve 2 and drives, in this tilting, the rod 11. This causes the valve to open and the product to exit, for example in aerosol form, through nozzle 8.
  • the lever arm corresponding to the radial distance between the support area 21 of the lug 20 and the support area 22 for the user, is important and allows particularly gentle control.
  • Valve 2 of the "tilt" type reacts to a lateral and small-scale stress to ensure opening. A displacement of 0.2 mm from the lower end of the pin 5 is sufficient.
  • the actuating device could be used with a valve for pushing in the rod 11 in the direction of the axis A of the valve body. In this case, it is necessary to cause a displacement of the pin 5, along the axis A, a little more significant, for example by at least 0.6 mm. With such an axial opening valve, the fabric 25 when deformed serves as a pivot axis.
  • the push button 104 is connected by the canvas 25 to the retaining ring 23.
  • the nozzle 8 is arranged in the center of the upper wall of the button 104, along the axis A.
  • the fabric 125 has in cross section the shape of a straight line. It consists of a continuous or discontinuous crown (or ring) of flexible plastic, for example of the elastomer type, which deforms when the zone 22 of the push button is pressed. It connects the skirt 23 of the ring to the push button 104.
  • the flexible plastic crown is produced by biinjection.
  • the plastic crown 125 has a thickness measured along the axis A of the valve, less than the width of said crown, measured in the plane of the figure.
  • the plastic crown 125 has a thickness measured along the axis A of the valve, greater than the width of said crown, measured in the plane of the figure.
  • the solution of the invention consisting of a single piece formed by the push button and the mounting skirt, allows savings not only from the point of view of assembly, but also in terms of manufacturing since only one mold enough.
  • This actuating device is suitable, in particular, for devices for spraying liquid or foam.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)

Description

L'invention est relative à un dispositif pour actionner une valve de distribution équipant un récipient contenant un produit liquide à distribuer notamment cosmétique (laque) ou pharmaceutique, la valve comprenant une tige tubulaire de commande. Le dispositif est du genre de ceux qui comprennent un bouton-poussoir en forme de capuchon et comportant un pion propre à agir sur la tige, un conduit traversant le pion et raccordant la sortie de la tige tubulaire à une buse prévue dans le bouton-poussoir, une bague de retenue, propre à se fixer sur le récipient, étant en outre prévue pour le maintien du bouton-poussoir, le bouton-poussoir comportant une zone d'application d'une force sur le bouton-poussoir pour actionner la valve d'une étendue angulaire d'au moins 180°.The invention relates to a device for actuating a dispensing valve fitted to a container containing a liquid product to be dispensed, in particular cosmetic (lacquer) or pharmaceutical, the valve comprising a tubular control rod. The device is of the type which includes a push button in the form of a cap and comprising a pin capable of acting on the rod, a conduit passing through the pin and connecting the outlet of the tubular rod to a nozzle provided in the push button. , a retaining ring, suitable for being fixed on the container, being furthermore provided for the maintenance of the push button, the push button comprising an area of application of a force on the push button to actuate the valve d '' an angular extent of at least 180 °.

Un dispositif de distribution d'un produit tel que décrit dans le préambule de la Revendication 1 et équipé d'un dispositif pour actionner une valve de distribution est connu, par exemple d'après FR-A-2 661 661. Dans un tel dispositif, le bouton-poussoir comprend des moyens d'appui propre à coopérer, pour actionner la valve, avec des moyens de butée d'une bague de retenue fixée sur le récipient. Plus précisément, le bouton-poussoir comprend une douille cylindrique s'étendant dans la partie concave de la face interne du bouton-poussoir et présentant un épaulement radial en forme d'anneau circulaire apte à coopérer avec les moyens de butée de la bague.
Par ailleurs, après le sertissage de la valve sur le col du récipient, il s'avère que l'extrémité de la tige de valve n'est pas à une hauteur constante par rapport au col du récipient. Ainsi, la pose de l'ensemble distributeur bague de fixation - bouton-poussoir peut déclencher malencontreusement la valve et donc libérer une quantité de produit. Cet actionnement intempestif de la valve lors du montage est dû à un manque de souplesse du dispositif.A device for dispensing a product as described in the preamble of Claim 1 and equipped with a device for actuating a dispensing valve is known, for example from FR-A-2 661 661. In such a device , the push-button comprises support means capable of cooperating, in order to actuate the valve, with stop means of a retaining ring fixed on the container. More specifically, the push button comprises a cylindrical sleeve extending in the concave part of the internal face of the push button and having a radial shoulder in the form of a circular ring capable of cooperating with the stop means of the ring.
Furthermore, after crimping the valve on the neck of the container, it turns out that the end of the valve stem is not at a constant height relative to the neck of the container. Thus, the installation of the fixing ring - push button distributor assembly may inadvertently trigger the valve and therefore release a quantity of product. This untimely actuation of the valve during assembly is due to a lack of flexibility of the device.

Il est connu également d'après FR-A-1 391 294 et US-A-4 277 004 un dispositif dans lequel le bouton-poussoir est relié à la bague de retenue par des languettes dans le but d'assurer à la partie mobile du bouton-poussoir, située au-dessus de la tige de valve, un mouvement essentiellement rectiligne identique au mouvement rectiligne de la tige de valve. Lors de l'utilisation d'un tel dispositif, l'utilisateur ne peut qu'enfoncer verticalement la partie mobile du bouton-poussoir par écrasement des languettes de maintien. Or, il s'avère qu'un tel mouvement est difficile à contrôler, de sorte que l'enfoncement de la partie mobile a tendance à provoquer un actionnement rapide de la valve. Il s'en suit donc une mauvaise maîtrise du débit de l'aérosol.It is also known from FR-A-1 391 294 and US-A-4 277 004 a device in which the push button is connected to the retaining ring by tabs in order to ensure the movable part of the push button, located above the valve stem, an essentially rectilinear movement identical to the rectilinear movement of the valve stem. When using such a device, the user can only push the movable part of the push button vertically by crushing the holding tabs. However, it turns out that such a movement is difficult to control, so that the depression of the movable part tends to cause rapid actuation of the valve. This therefore results in poor control of the aerosol flow rate.

Par ailleurs, il est connu d'après FR-A-2 627 157 un dispositif de commande à sécurité dans lequel il est nécessaire de déformer une partie de la bague de retenue du bouton-poussoir pour que celui ci puisse être actionné. Une patte de butée en contact avec la coupelle de valve permet de limiter la déformation de la bague.Furthermore, there is known from FR-A-2 627 157 a safety control device in which it is necessary to deform a part of the retaining ring of the push button so that it can be actuated. A stop lug in contact with the valve cup makes it possible to limit the deformation of the ring.

La présente invention a justement pour but un dispositif pour actionner une valve de distribution équipant un récipient contenant un produit à distribuer permettant notamment de remédier à ces inconvénients. Ce dispositif présente, en particulier, une bonne souplesse évitant I'actionnement de la valve lors de son montage sur le récipient et permet également de maîtriser le débit de l'aérosol lors de l'utilisation.The object of the present invention is precisely a device for actuating a dispensing valve fitted to a container containing a product to be dispensed, making it possible in particular to remedy these drawbacks. This device has, in particular, good flexibility avoiding actuation of the valve during its mounting on the container and also makes it possible to control the flow of the aerosol during use.

L'invention se rapporte donc à un dispositif sensitif de distribution d'un produit tel que défini dans la revendication 1.The invention therefore relates to a sensitive device for dispensing a product as defined in claim 1.

La demanderesse a constaté, de façon surprenante, qu'en reliant directement le bouton-poussoir à la bague de retenue par une paroi mince flexible répartie de manière régulière sur la périphérie du bouton-poussoir, on obtient un dispositif présentant une bonne souplesse d'actionnement sur toute la zone d'application de la force d'actionnement de la valve. Cette souplesse est dûe à la coopération d'un mouvement d'écrasement de la paroi mince flexible à l'endroit d'appui sur le bouton-poussoir et d'un mouvement d'étirement de la paroi mince flexible à l'endroit diamétralement opposé à l'endroit d'appui sur le bouton-poussoir. Grâce à ce basculement, on obtient un bouton-poussoir sensitif.The Applicant has found, surprisingly, that by directly connecting the push button to the retaining ring by a flexible thin wall distributed evenly over the periphery of the push button, a device is obtained having good flexibility of actuation over the entire area of application of the actuating force of the valve. This flexibility is due to the cooperation of a crushing movement of the flexible thin wall at the point of pressing on the push button and of a stretching movement of the flexible thin wall at the diametrically opposite place. where the push button is pressed. Thanks to this tilting, a sensitive push button is obtained.

En plus des avantages mentionnés ci-dessus, l'invention permet de faciliter la fabrication et le montage d'un tel dispositif.In addition to the advantages mentioned above, the invention makes it possible to facilitate the manufacture and assembly of such a device.

De préférence, la toile présente une section transversale en U dont la concavité est tournée du côté opposé au récipient. En variante, la toile présente en section transversale la forme d'un segment de droite.Preferably, the fabric has a U-shaped cross section, the concavity of which is turned towards the side opposite the container. Alternatively, the fabric in cross section has the shape of a straight line.

La toile peut être continue et s'étendre suivant toute la périphérie du bouton-poussoir. En variante, la toile peut être discontinue et être formée par plusieurs segments répartis de façon régulière sur la périphérie du bouton-poussoir.The fabric can be continuous and extend along the entire periphery of the push button. As a variant, the fabric may be discontinuous and be formed by several segments distributed regularly over the periphery of the push button.

Avantageusement, une patte de butée est prévue sous le bouton-poussoir, sensiblement suivant la même direction radiale que la buse, pour coopérer avec une zone de butée liée au récipient.Advantageously, an abutment tab is provided under the push button, substantially in the same radial direction as the nozzle, to cooperate with an abutment zone linked to the container.

La zone de butée liée au récipient peut être constituée par une zone du bord serti d'une coupelle servant à la fixation de la valve.The abutment zone linked to the container may consist of an edge zone set with a cup used for fixing the valve.

De préférence, le dispositif comporte une valve "tilt" dont l'ouverture est commandée par le basculement de la tige relativement à l'axe de la valve. Une telle valve réagit à une sollicitation latérale de faible envergure, ce qui confère à la commande une grande sensation de douceur.Preferably, the device comprises a "tilt" valve, the opening of which is controlled by the tilting of the rod relative to the axis of the valve. Such a valve reacts to a slight lateral stress, which gives the control a great feeling of softness.

Toutefois, il est possible d'utiliser une valve dont l'ouverture est commandée par un enfoncement sensiblement axial de la tige de commande.However, it is possible to use a valve the opening of which is controlled by a substantially axial depression of the control rod.

Le bouton-poussoir peut être agencé pour assurer un montage latéral de la buse avec un orifice de sortie du produit ayant un axe orienté transversalement par rapport à l'axe de la tige de commande de la valve.The push button can be arranged to ensure lateral mounting of the nozzle with a product outlet orifice having an axis oriented transversely to the axis of the valve control rod.

Selon une autre possibilité, le bouton-poussoir peut être agencé pour un montage de la buse dans l'axe de la tige de commande, avec sortie de produit orientée suivant ledit axe.According to another possibility, the push-button can be arranged for mounting the nozzle in the axis of the control rod, with product outlet oriented along said axis.

L'invention est également relative à un bouton-poussoir sensitif tel que défini dans la revendication 12. Une patte de butée peut être prévue sous le bouton-poussoir, sensiblement suivant la même direction radiale qu'une buse.The invention also relates to a sensitive push button as defined in claim 12. A stop tab can be provided under the push button, substantially in the same radial direction as a nozzle.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions dont il sera plus explicitement question ci-après à propos d'exemples de réalisation décrits avec référence aux dessins ci-annexés, mais qui ne sont nullement limitatifs.The invention consists, apart from the arrangements set out above, of a certain number of other arrangements which will be more explicitly discussed below in connection with embodiments described with reference to the attached drawings, but which are in no way limiting.

La figure 1 de ces dessins est une coupe verticale axiale en position fermée d'un dispositif, selon une première variante, pour actionner une valve de distribution, conforme à l'invention, représenté monté sur l'extrémité supérieure d'un bidon aérosol.Figure 1 of these drawings is an axial vertical section in the closed position of a device, according to a first variant, for actuating a dispensing valve, according to the invention, shown mounted on the upper end of an aerosol can.

La figure 2 montre, semblablement à la figure 1, le dispositif en position d'actionnement de la valve.Figure 2 shows, similarly to Figure 1, the device in the valve actuation position.

La figure 3 montre, semblablement à la figure 1, une variante de réalisation avec sortie axiale du produit.Figure 3 shows, similarly to Figure 1, an alternative embodiment with axial product outlet.

La figure 4 montre, semblablement à la figure 1, une autre variante de réalisation avec sortie axiale du produit.Figure 4 shows, similarly to Figure 1, another alternative embodiment with axial product outlet.

La figure 5, enfin, montre semblablement à la figure 1, une autre variante de réalisation avec sortie axiale du produit.Figure 5, finally, similarly shows in Figure 1, another alternative embodiment with axial product outlet.

En se reportant aux figures 1 et 2 des dessins, on peut voir un dispositif 1 pour actionner une valve de distribution 2 équipant un bidon 3 pressurisé, contenant un produit à distribuer sous la forme d'un aérosol.Referring to Figures 1 and 2 of the drawings, one can see a device 1 for actuating a dispensing valve 2 fitted to a pressurized container 3, containing a product to be dispensed in the form of an aerosol.

Le dispositif 1 comprend un bouton-poussoir 4, en forme de capuchon, qui comporte, suivant l'axe de sa concavité, un pion 5 cylindrique solidaire de la paroi supérieure du bouton-poussoir 4. Le pion 5 est traversé par un conduit 6 axial, qui se raccorde, en partie haute, à un canal transversal 7 conduisant à une buse 8 montée de manière classique sur une pièce de centrage 9 (généralement connue sous le nom "center post") prévue dans le bouton-poussoir 1, à angle droit de l'axe du conduit 6.The device 1 comprises a push button 4, in the form of a cap, which comprises, along the axis of its concavity, a cylindrical pin 5 secured to the upper wall of the push button 4. The pin 5 is crossed by a conduit 6 axial, which is connected, in the upper part, to a transverse channel 7 leading to a nozzle 8 conventionally mounted on a centering piece 9 (generally known under the name "center post") provided in the push button 1, right angle of the axis of the duct 6.

La partie inférieure du conduit 6 a un diamètre plus important de manière à former un logement 10 propre à recevoir avec léger serrage l'extrémité supérieure d'une tige de commande 11 de la valve 2.The lower part of the conduit 6 has a larger diameter so as to form a housing 10 suitable for receiving with slight tightening the upper end of a control rod 11 of the valve 2.

La valve 2 est du type valve "tilt" dont l'ouverture est commandée par un basculement de la tige 11 relativement à l'axe A de la valve. Comme visible sur les dessins, la valve 2 comporte un corps 12 ouvert à ses deux extrémités longitudinales et bordé, en partie haute, d'une collerette sertie dans une coupelle 13 également fixée par sertissage sur le bord roulé 14 d'une ouverture circulaire prévue à l'extrémité supérieure du bidon 3.The valve 2 is of the “tilt” valve type, the opening of which is controlled by a tilting of the rod 11 relative to the axis A of the valve. As can be seen in the drawings, the valve 2 comprises a body 12 open at its two longitudinal ends and bordered, in the upper part, with a collar crimped in a cup 13 also fixed by crimping on the rolled edge 14 with a circular opening provided at the upper end of the container 3.

Le corps de valve 12 est muni, en partie haute, d'une rondelle d'étanchéité 15 traversée par la tige 11. La rondelle 15 établit une étanchéité entre la paroi de la coupelle 13 et le corps de valve 12. La tige 11 comporte, à son extrémité inférieure, une sorte de plateau 16 creux dont la périphérie est munie d'une nervure 17 propre à s'appliquer de manière étanche contre la rondelle 15, sous l'action d'un ressort R disposé dans le corps 12. Le volume intérieur du plateau creux 16 communique avec l'intérieur de la tige 11 par un orifice 18. En outre, au moins un orifice 19 est prévu dans la paroi supérieure du plateau 16, radialement à l'extérieur de la tige 11 mais à l'intérieur de la nervure 17. Lorsque la tige 11 est basculée relativement à l'axe A, comme illustré sur la figure 2, la nervure 17 s'écarte de la rondelle 15, suivant une certaine étendue angulaire, ce qui permet d'établir une communication entre l'intérieur du corps de valve et l'intérieur de la tige 11 à travers les orifices 19 et 18. La valve est alors ouverte comme illustré sur la figure 2.The valve body 12 is provided, in the upper part, with a sealing washer 15 crossed by the rod 11. The washer 15 establishes a seal between the wall of the cup 13 and the valve body 12. The rod 11 comprises , at its lower end, a sort of hollow plate 16, the periphery of which is provided with a rib 17 capable of being applied in a sealed manner against the washer 15, under the action of a spring R placed in the body 12. The internal volume of the hollow plate 16 communicates with the interior of the rod 11 through an orifice 18. In addition, at least one orifice 19 is provided in the upper wall of the plate 16, radially outside the rod 11 but at inside the rib 17. When the rod 11 is tilted relative to the axis A, as illustrated in FIG. 2, the rib 17 moves away from the washer 15, according to a certain angular extent, which makes it possible to establish communication between the interior of the valve body and the interior r of the rod 11 through the orifices 19 and 18. The valve is then opened as illustrated in FIG. 2.

Le bouton-poussoir 4 comporte, au-dessous de sa paroi, une patte 20 de butée située sensiblement suivant la même direction radiale que la buse 8 et propre à venir s'appuyer contre un moyen de butée complémentaire lié au récipient 3 et constitué par une zone 21 du bord de fixation de la coupelle 13. La paroi supérieure du bouton-poussoir 4 comporte une zone d'appui 22 située sensiblement à l'opposé de la direction radiale de la butée 20. Lorsque l'utilisateur souhaite commander l'ouverture de la valve 2, il lui suffit d'appuyer sur cette zone 22 pour agir sur la tige 11 en bénéficiant d'un effet de levier par appui de la patte 20 contre la zone 21.The push button 4 has, below its wall, a stop tab 20 located substantially in the same radial direction as the nozzle 8 and suitable for coming to bear against a complementary stop means linked to the container 3 and constituted by a zone 21 of the fixing edge of the cup 13. The upper wall of the push-button 4 has a support zone 22 situated substantially opposite to the radial direction of the stop 20. When the user wishes to order the opening the valve 2, it suffices to press on this zone 22 to act on the rod 11 while benefiting from a lever effect by pressing the tab 20 against the zone 21.

Le bouton-poussoir 4 forme une seule pièce avec une bague de retenue 23 en forme de jupe cylindrique dont la partie inférieure comporte, vers l'intérieur, un bourrelet 24 propre à s'encliqueter dans une gorge périphérique du bidon 3.The push button 4 forms a single piece with a retaining ring 23 in the form of a cylindrical skirt, the lower part of which comprises, towards the inside, a bead 24 capable of snapping into a peripheral groove of the container 3.

Le bouton-poussoir 4 est relié à la bague 23 par une paroi mince flexible appelée toile 25, autorisant des débattements du bouton-poussoir 4, relativement à la bague 23, suffisants pour commander l'ouverture de la valve 2.The push-button 4 is connected to the ring 23 by a flexible flexible wall called a canvas 25, allowing movements of the push-button 4, relative to the ring 23, sufficient to control the opening of the valve 2.

La toile 25, comme visible sur les figures 1 et 2, présente une section transversale en U dont la concavité est tournée du côté opposé au récipient 3. La toile 25 peut être continue et s'étendre suivant toute la périphérie du bouton-poussoir 4. En variante, la toile 25 est discontinue et est formée par plusieurs segments répartis régulièrement sur la périphérie du bouton-poussoir 4. La jupe 23 présente, à son extrémité supérieure, un jonc d'accrochage 26 de diamètre légèrement inférieur à celui de la jupe. Un capot 27 peut s'encliqueter sur le jonc 26. La paroi cylindrique du capot 27 est avantageusement dans le prolongement de la paroi cylindrique de la jupe 23.The fabric 25, as visible in FIGS. 1 and 2, has a U-shaped cross section whose concavity is turned on the side opposite to the container 3. The fabric 25 can be continuous and extend along the entire periphery of the push button 4 As a variant, the fabric 25 is discontinuous and is formed by several segments distributed regularly over the periphery of the push button 4. The skirt 23 has, at its upper end, a fastening ring 26 of diameter slightly smaller than that of the skirt. A cover 27 can snap onto the rod 26. The cylindrical wall of the cover 27 is advantageously in the extension of the cylindrical wall of the skirt 23.

Ceci étant, le montage du dispositif d'actionnement et son fonctionnement sont les suivants.That said, the mounting of the actuating device and its operation are as follows.

La buse 8 est tout d'abord montée sur le bouton-poussoir 4. Le capot 27 est ensuite encliqueté sur le bourrelet 26. Ce sous-ensemble est ensuite claqué sur le bidon 3 par engagement du bourrelet 24 de la jupe 23 dans la gorge du bidon.The nozzle 8 is firstly mounted on the push button 4. The cover 27 is then snapped onto the bead 26. This sub-assembly is then slammed onto the can 3 by engagement of the bead 24 of the skirt 23 in the groove from the can.

Pour distribuer du produit, l'utilisateur retire le capot 27 et appuie sur le bouton-poussoir 4 dans la zone 22. Le bouton 4 s'enfonce du côté de cette zone 22. La toile 25 s'écrase à l'endroi d'appui alors que la patte 20 est en appui contre la zone 21.To distribute the product, the user removes the cover 27 and presses the push button 4 in the zone 22. The button 4 is pushed towards the side of this zone 22. The fabric 25 is crushed at the location of support while the tab 20 is pressing against the zone 21.

Si l'utilisateur appuie sur le bouton-poussoir 4 non pas dans la zone 22 sensiblement opposée à la patte 20, mais dans une zone latérale de la face supérieure du bouton 4, distante angulairement de 90 ° par exemple de la patte 20, cette patte ne sert plus de bras de levier. A l'endroit d'appui sur le bouton-poussoir, la toile souple 25 s'écrase tandis qu'à l'endroit diamètralement opposé à l'endroit d'appui sur le bouton-poussoir,par rapport à la tige de valve, la toile souple 25 s'étire. Dans ce cas, c'est la toile 25 qui, en se déformant, sert d'axe de pivotement pour le basculement du bouton-poussoir.If the user presses the push button 4 not in the zone 22 substantially opposite the tab 20, but in a lateral zone of the upper face of the button 4, angularly distant by 90 ° for example from the tab 20, this leg no longer serves as a lever. At the place of support on the push-button, the flexible fabric 25 is crushed while at the place diametrically opposite to the place of support on the push-button, relative to the valve stem, the flexible fabric 25 stretches. In this case, it is the fabric 25 which, when deformed, serves as a pivot axis for tilting the push button.

Comme visible sur la figure 2, le pion 5 bascule légèrement par rapport à l'axe A de la valve 2 et entraîne, dans ce basculement, la tige 11. Ceci provoque l'ouverture de la valve et la sortie du produit, par exemple sous forme d'aérosol, à travers la buse 8.As can be seen in FIG. 2, the pin 5 rocks slightly relative to the axis A of the valve 2 and drives, in this tilting, the rod 11. This causes the valve to open and the product to exit, for example in aerosol form, through nozzle 8.

La présence de la patte 20 s'oppose à une mauvaise utilisation puisqu'il n'est pas possible d'enfoncer le bouton-poussoir 4 en exerçant une pression sur ce poussoir au-dessus de la buse 8.The presence of the tab 20 is opposed to improper use since it is not possible to depress the push-button 4 by exerting a pressure on this push-button above the nozzle 8.

Le bras de levier, correspondant à la distance radiale entre la zone d'appui 21 de la patte 20 et la zone d'appui 22 pour l'utilisateur, est important et permet une commande particulièrement douce. La valve 2 de type "tilt" réagit à une sollicitation latérale et de faible envergure pour assurer l'ouverture. Un déplacement de 0,2 mm de l'extrémité inférieure du pion 5 est suffisant.The lever arm, corresponding to the radial distance between the support area 21 of the lug 20 and the support area 22 for the user, is important and allows particularly gentle control. Valve 2 of the "tilt" type reacts to a lateral and small-scale stress to ensure opening. A displacement of 0.2 mm from the lower end of the pin 5 is sufficient.

Toutefois, le dispositif d'actionnement pourrait être utilisé avec une valve à enfoncement de la tige 11 suivant la direction de l'axe A du corps de valve. Dans ce cas, il faut provoquer un déplacement du pion 5, suivant l'axe A, un peu plus important, par exemple d'au moins 0,6 mm. Avec une telle valve à ouverture par enfoncement axial, la toile 25 en se déformant sert d'axe de pivotement.However, the actuating device could be used with a valve for pushing in the rod 11 in the direction of the axis A of the valve body. In this case, it is necessary to cause a displacement of the pin 5, along the axis A, a little more significant, for example by at least 0.6 mm. With such an axial opening valve, the fabric 25 when deformed serves as a pivot axis.

En se reportant à la figure 3, on peut voir une variante de réalisation du dispositif d'actionnement selon l'invention, avec sortie suivant l'axe A du corps de valve. Les éléments identiques ou jouant des rôles analogues à des éléments déjà décrits à propos des figures précédentes sont désignés par les mêmes références numériques, éventuellement précédées du chiffre 1 des centaines. Leur description ne sera pas reprise ou sera effectuée succinctement.Referring to Figure 3, we can see an alternative embodiment of the actuating device according to the invention, with outlet along the axis A of the valve body. Elements identical or playing roles analogous to elements already described in connection with the preceding figures are designated by the same reference numerals, possibly preceded by the number 1 of the hundreds. Their description will not be repeated or will be made succinctly.

Le bouton-poussoir 104 est relié par la toile 25 à la bague de retenue 23. La buse 8 est disposée au centre de la paroi supérieure du bouton 104, suivant l'axe A.The push button 104 is connected by the canvas 25 to the retaining ring 23. The nozzle 8 is arranged in the center of the upper wall of the button 104, along the axis A.

Dans la variante de réalisation de la figure 3, il n'est pas indispensable de prévoir une patte de butée semblable à la patte 20 des figures 1 et 2.In the alternative embodiment of FIG. 3, it is not essential to provide an abutment tab similar to the tab 20 of FIGS. 1 and 2.

En se reportant aux figures 4 et 5, on peut voir une variante de réalisation de la toile. Comme visible sur les figures 4 et 5, la toile 125 présente en section transversale la forme d'un segment de droite. Elle est constituée d'une couronne (ou anneau) continue ou discontinue de plastique souple, par exemple de type élastomère, qui se déforme lorsqu'on appuie sur la zone 22 du bouton-poussoir. Elle relie la jupe 23 de la bague au bouton-poussoir 104. La couronne de plastique souple est réalisée par biinjection.Referring to Figures 4 and 5, we can see an alternative embodiment of the canvas. As shown in Figures 4 and 5, the fabric 125 has in cross section the shape of a straight line. It consists of a continuous or discontinuous crown (or ring) of flexible plastic, for example of the elastomer type, which deforms when the zone 22 of the push button is pressed. It connects the skirt 23 of the ring to the push button 104. The flexible plastic crown is produced by biinjection.

Comme visible sur la figure 4, la couronne de plastique 125 présente une épaisseur mesurée selon l'axe A de la valve, inférieure à la largeur de ladite couronne, mesurée dans le plan de la figure.As visible in FIG. 4, the plastic crown 125 has a thickness measured along the axis A of the valve, less than the width of said crown, measured in the plane of the figure.

Selon la variante de la figure 5, la couronne de plastique 125 présente une épaisseur mesurée selon l'axe A de la valve, supérieure à la largeur de ladite couronne, mesurée dans le plan de la figure.According to the variant of FIG. 5, the plastic crown 125 has a thickness measured along the axis A of the valve, greater than the width of said crown, measured in the plane of the figure.

La solution de l'invention consistant en une seule pièce monobloc formée par le bouton-poussoir et la jupe de montage, permet de réaliser des économies non seulement au point de vue du montage, mais aussi au niveau de la fabrication puisqu'un seul moule suffit. Ce dispositif d'actionnement convient, en particulier, pour des dispositifs de pulvérisation de liquide ou de mousse.The solution of the invention consisting of a single piece formed by the push button and the mounting skirt, allows savings not only from the point of view of assembly, but also in terms of manufacturing since only one mold enough. This actuating device is suitable, in particular, for devices for spraying liquid or foam.

Claims (13)

  1. A sensitive dispensing device for a product, comprising a container (3) containing the product to be dispensed, a valve (2) comprising an actuating stem (11, 111), a cap-shaped push button (4, 104) comprising a pin (5, 105) capable of acting on the stem and a duct (6, 106) passing through the pin and connecting the output of the stem to a nozzle (8) provided in the push button, a retaining ring (23) that can be fixed on the container for holding the push button in position, the push button (4, 104) comprising a zone (22) for applying a force to the push button for actuating the valve with an angular range of at least 180°, characterized in that the push button (4, 104) and the retaining ring (23) form a single piece, the push button being directly connected to the ring via a flexible thin wall or web (25) distributed regularly over the circumference of the push button and allowing the push button to be sufficiently deflected to actuate the valve, the flexible wall providing in essence the said sensitivity of the device, so that a pressure exerted on the zone of application produces a movement squashing the flexible wall at the point of pressure on the said zone, which cooperates with a movement expanding the flexible wall at the point diametrically opposed to the point of pressure on this zone.
  2. A device according to claim 1, characterized in that the web (25) has a U-shaped cross-section whose concavity is turned towards the side away from the container.
  3. A device according to claim 1, characterized in that the web (125) takes in cross-section the form of a section of a straight line.
  4. A device according to one of the preceding claims, characterized in that the web (25) is continuous.
  5. A device according to one of claims 1 to 3, characterized in that the web (25) is discontinuous and is formed by several segments distributed over the circumference of the push button (4, 104).
  6. A device according to one of the preceding claims, characterized in that a stop tab (20) is provided beneath the push button (4) substantially along the same radial direction as the nozzle (8), for cooperating with a stop zone (21) connected to the container.
  7. A device according to claim 6, characterized in that the stop zone (21) connected to the container is constituted by a zone of the crimped edge of a cup (13) serving to secure the valve (2).
  8. A device according to one of the preceding claims, characterized in that it comprises a "tilt" valve (2) whose opening is actuated by the tilting of the actuating stem (11) relative to the axis of the valve (2).
  9. A device according to one of claims 1 to 7, characterized in that the push button is combined with a valve whose opening is actuated by a substantially axial depression of the actuating stem.
  10. A device according to any one of the preceding claims, characterized in that the push button (4) is arranged to ensure a lateral mounting of the nozzle (8), with an outlet opening for the product having an axis orientated transversely relative to to the axis of the actuating stem of the valve.
  11. A device according to any one of claims 1 to 9, characterized in that the push button (104) is arranged for mounting the nozzle (8) in the axis of the actuating stem (111), with the outlet for the products orientated along the said axis.
  12. A sensitive push button comprising a zone (22) for applying a to the push button with an angular range of at least 180° and intended for a dispensing device according to one of the preceding claims, characterized in that this push button (4, 104) forms only one single part with a retaining ring (23), the push button (4, 104) being directly connected to the said ring (23) via a flexible thin wall or web (25) distributed regularly over the circumference of the push button and allowing the push button to be sufficiently deflected to actuate the opening of a valve (2), the flexible wall providing in essence the said sensitivity of the device, so that a pressure exerted on the zone of application produces a movement squashing the flexible wall at the point where the pressure is acting on the said zone, which cooperates with a movement expanding the flexible wall at the point diametrically opposed to the point of pressure on this zone.
  13. A push button according to claim 12, characterized in that a stop tab (20) is provided beneath this push button (4), substantially along the same radial direction as the nozzle (8).
EP19950400362 1994-02-24 1995-02-21 Dispensing device for a product and press-button for such a device Expired - Lifetime EP0669268B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9402106 1994-02-24
FR9402106A FR2716445B1 (en) 1994-02-24 1994-02-24 Device for actuating a dispensing valve, and push button for such a device.

Publications (2)

Publication Number Publication Date
EP0669268A1 EP0669268A1 (en) 1995-08-30
EP0669268B1 true EP0669268B1 (en) 1996-08-28

Family

ID=9460379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950400362 Expired - Lifetime EP0669268B1 (en) 1994-02-24 1995-02-21 Dispensing device for a product and press-button for such a device

Country Status (4)

Country Link
EP (1) EP0669268B1 (en)
DE (1) DE69500028T2 (en)
ES (1) ES2094068T3 (en)
FR (1) FR2716445B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004059204A1 (en) * 2004-12-09 2006-06-14 Wella Ag Cap for an aerosol container or a spray container
US11873157B2 (en) 2020-04-16 2024-01-16 Paula Upchurch Actuator for aerosol container

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2752821B1 (en) * 1996-08-29 1998-09-25 Oreal DISPENSING CAPSULE WITH IMPROVED GRIPPING MEANS
FR2760227B1 (en) * 1997-03-03 1999-04-16 Oreal DISTRIBUTION HEAD AND DISPENSER EQUIPPED WITH SUCH A HEAD
JP3099331U (en) 2000-06-10 2004-04-02 ウエラ　アクチェンゲゼルシャフト container
GB2403776B (en) * 2000-06-10 2005-03-16 Wella Ag Dispensing device
DE102004057702A1 (en) * 2004-11-30 2006-06-01 Wella Ag Cap for an aerosol or spray container incorporates an angled spray channel made as a single item out of an elastic synthetic material
DE102004057704A1 (en) * 2004-11-30 2006-06-01 Wella Ag Cap, for an aerosol/spray can, has a folded acoustic seal at the button as an elastic link between it and the cap
DE102004060236A1 (en) * 2004-12-15 2006-06-29 Wella Ag Cap for an aerosol container or a spray container
DE102004060491A1 (en) * 2004-12-16 2006-06-29 Wella Ag Cap for an aerosol container or a spray container
IT1400715B1 (en) * 2010-07-06 2013-06-28 Capsol S P A DOUBLE CAP OF OPERATION AND DELIVERY COUPLED WITH AN AEROSOL BOTTLE.
FR3023733B1 (en) * 2014-07-15 2019-05-17 L'oreal ACTUATING AND DISPENSING HEAD OF A PRODUCT, DEVICE AND METHOD THEREOF

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140014A (en) * 1962-06-27 1964-07-07 Braun Co W Cap for an aerosol type container
GB1051551A (en) * 1963-03-25
US3312723A (en) * 1964-08-07 1967-04-04 Johnson & Son Inc S C Actuator cap
US4277004A (en) * 1979-10-15 1981-07-07 Barlics John J Cover and aerosol activator for aerosol spray can
FR2627157B1 (en) * 1988-02-12 1992-01-31 Debard Andre SAFETY DISPENSING CONTROL DEVICE FOR AEROSOL CAN OR THE LIKE
FR2661661B1 (en) * 1990-05-04 1992-11-13 Oreal DEVICE FOR ACTUATING A DISTRIBUTION VALVE.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004059204A1 (en) * 2004-12-09 2006-06-14 Wella Ag Cap for an aerosol container or a spray container
US11873157B2 (en) 2020-04-16 2024-01-16 Paula Upchurch Actuator for aerosol container

Also Published As

Publication number Publication date
FR2716445B1 (en) 1996-04-12
ES2094068T3 (en) 1997-01-01
FR2716445A1 (en) 1995-08-25
EP0669268A1 (en) 1995-08-30
DE69500028D1 (en) 1996-10-02
DE69500028T2 (en) 1997-01-23

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