EP1288142B1 - Unit for storing and dispensing a product under pressure - Google Patents

Unit for storing and dispensing a product under pressure Download PDF

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Publication number
EP1288142B1
EP1288142B1 EP02291791A EP02291791A EP1288142B1 EP 1288142 B1 EP1288142 B1 EP 1288142B1 EP 02291791 A EP02291791 A EP 02291791A EP 02291791 A EP02291791 A EP 02291791A EP 1288142 B1 EP1288142 B1 EP 1288142B1
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EP
European Patent Office
Prior art keywords
valve
dispensing
orifice
product
axis
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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
EP02291791A
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German (de)
French (fr)
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EP1288142A1 (en
Inventor
Pierre-André Lasserre
Marcel Sanchez
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LOreal SA
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LOreal SA
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    • 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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/44—Valves specially adapted for the discharge of contents; Regulating devices
    • B65D83/46—Tilt valves
    • 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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of the dispensed content, e.g. funnels or hoods

Definitions

  • the present invention relates to a device for conditioning and pressure distribution of a product, especially a cosmetic product.
  • a product can be in the form of a liquid, a foam, or a more viscous consistency, especially in the form of a cream or a gel.
  • the invention can be used especially for the packaging and distribution of a care product, a make-up product, a hair product or personal hygiene product, or a skin protection product against the effects of sun radiation.
  • the product can be pressurized by means of a propellant gas, liquefied or not.
  • the gas may be conditioned, directly in contact with the product, or separated by a piston or pocket with soft walls.
  • Patent Application FR-A-2,635,085 describes a pump-type dispenser or valve comprising a container containing the product.
  • the container is topped a valve, and a dispensing head for actuating the valve, and the dispensing the product via at least one dispensing orifice.
  • a hood is mounted squeezing on the dispensing tip between two uses.
  • the first is that even when the hood is in the up position, distribution is not sealed. Therefore, especially for certain products whose tendency to clog when drying is strong, the orifice of distribution and the channel leading to the dispensing orifice, are subject to fouling, which may render the device completely unusable, especially after a long period of non-use. In addition, the residual product in the channel and in the vicinity of the opening, is likely to degrade, especially by oxidation, and be of unattractive appearance.
  • An actuating command generally in the form of a pressure, interrupts the seal between the center-post and the free edge of the delimiting end the dispensing orifice, thus releasing at least part of the latter.
  • the tip acts as a valve
  • the opening of the dispensing orifice allows the product to be distributed directly.
  • the control actuation causes simultaneous or near simultaneous clearance of the dispensing orifice and the opening of the valve.
  • return of the dispensing orifice in its closed position is effected by elastic return when the pressure of actuation of the valve stops, and this, either under the effect of the pressure of the product, either under the effect of a force of recall generated by a spring equipping the valve or by an auxiliary spring.
  • valve stem itself serves as a center-post.
  • An outer member delimiting a dispensing orifice is screwed onto the stem valve to move from a first position in which the orifice of distribution is released at a second position in which the orifice of distribution is closed.
  • the disadvantage of such a design is that it prohibits the use of a standard valve stem.
  • the assembly of this last is most delicate to achieve.
  • This unique combination of means avoids any actuation inadvertent valve. In storage position, the entire portion of the head of distribution upstream of the dispensing orifice is protected from the outside air, thus avoiding any risk of coagulation of the residual product and fouling of the head.
  • the first element is an element distinct from the valve stem, and is interposed between the latter and the second element.
  • the element defining the dispensing orifice is coupled directly to the valve stem.
  • the dispensing head according to the invention can be used on any rod standard valve.
  • Such a configuration also makes it possible to produce a dispensing head of which the aesthetics is similar to that fitted to the containers in the form of tubes.
  • This characteristic is advantageous when the product to conditioning is in the form of a care cream or a gel, traditionally conditioned in a tube.
  • means are provided for, at least when the second element is in the second position, to seal between the first element and the second to ensure the delivery of all the product coming out of the (or) outlet (s) interior (s) to the dispensing orifice.
  • these means also seal when the second element is in the first position. They thus make it possible to avoid residual product staying in the vicinity of the inner orifice flows between the first element and the second, towards the valve, and so contaminates the device.
  • Such means may consist of an annular lip including a free edge, at least when the second element is in the second position, applies sealingly against an inner annular surface of the second member.
  • the device may include means which, when the second element is in the first position relative to the first, are elastically constrained between the first and second elements.
  • Such an element in slight constraint elastic reinforces the buffering effect that has been referred to previously.
  • Such an elastic stress must be such that it allows a sufficient support between the first and second elements to ensure sufficiently tight closure of the dispensing orifice, without however risking to cause the actuation of the valve.
  • the annular lip is configured to have sufficient flexibility.
  • the sealing means can act as elastic means.
  • the structure overall is thereby simplified.
  • the annular lip at its free edge turned in one direction opposite to the valve stem. So when the second element is in the first position, the free edge can be in slight elastic support against the inner surface an end wall of the second element delimiting said dispensing orifice, said free edge applying sealingly against the inner surface of a side wall of the second element when the latter is in the second position.
  • the actuation of the valve results from a control exerted on the second element when the latter is in the second position.
  • outer surface of the second element may comprise reliefs, in particular bosses or recessed portions, promoting the exercise of pressure actuation at the proper place.
  • the actuating movement of the valve is a movement distinct from that allowing the passage of the second element of the first position to the second.
  • the movement to move the distribution head of the storage position (second element in the first position) at the position of distribution (second element in the second position) is disconnected from the actuating movement of the valve.
  • Two separate orders are required : one to move the dispensing head to the dispensing position, the other to operate the valve.
  • the passage of the second element from the first position to the second result of a movement of the second element relative to the first of which the direction and / or direction is different from the actuating movement of the valve.
  • the passage of the second element from the first position to the second can result of a movement of the second element relative to the first along an axis X of the first element, the actuating movement of the valve being a transverse movement to said axis X.
  • Such a configuration corresponds to that in which a tilting valve is used.
  • the transition from the second element of the first position to the second result of a movement of the second element relative to the first along an X axis of the first element, in a first sense, the movement actuating the valve being a movement along the axis X, in a second meaning, opposite to the first.
  • a push-in valve is used.
  • the coupling existing between the first element and the second is such that the second position of the second element relative to the first is a "stable" position, it is to say that this position is maintained even when the constraint causing the transition from the first to the second position.
  • Such a coupling consists of preferably a screwing / unscrewing. Indeed, such a coupling authorizes the realization a good seal when closing the dispensing orifice while reducing the risks of inadvertent activation, in particular when, after use, the user moves the dispensing head from the dispensing position to the storage position.
  • the transition from the first position to the second result of a rotation of about 360 ° of the second element relative to the first.
  • the (or) internal outlet orifice (s) is (are) of axis parallel to an axis of the dispensing orifice. This feature contributes to facilitate the configuration of the dispensing head according to the invention.
  • the dispensing orifice may be oriented along an axis X of the first element, the (or) internal orifice (s) being oriented (s) transversely to said axis.
  • the dispensing head comprises a mounting collar, integral with the container, said first element being stationary in rotation relative to at the mounting collar. This characteristic is important especially when the relative movement between the first and second elements is a movement of screwing / unscrewing.
  • the mounting collar can be fixedly mounted on the container, in particular by snap fastening. Alternatively, it can be screwed onto the container.
  • the first element is immobilized in rotation relative to the mounting fret, by means of one or more notches, formed by the fret of assembly (respectively, the first element), and able to engage in a corresponding number of grooves formed by the first element (respectively, the mounting band).
  • the mounting operation of the head of distribution, and in particular the matching of the notches with the grooves, is all the easier to obtain as their number is large. For example indicative, their number ranges from 2 to 6, and preferably from 2 to 4.
  • the second element comprises an edge, in particular annular, which, when the second element is in the first position, is substantially in contact with the mounting band so as to prohibit the actuation of the valve.
  • the term “substantially” reflects the fact that the game existing between the annular rim of the hood and the mounting hoop is less than the stroke necessary to cause the actuation of the valve.
  • Such a game when the distribution element is a valve, may be of the order of 0.5 mm.
  • Such an edge is preferably arranged opposite the end wall in which is arranged the dispensing orifice.
  • Means in particular in the form of an axial abutment, may be provided for, in the mounted position of the dispensing head on the container, to prevent to separate the second element from the first.
  • the first element may comprise an organ, in particular in the form of a continuous or discontinuous collar, which, in cooperation with a corresponding to the hoop, forbidden to disconnect the dispensing head from the fret.
  • this annular flange when actuating the element of tipping distribution, may come into engagement with said portion corresponding to the fret, and act in the manner of a lever arm. We facilitate still the distribution of the product.
  • this flange which defines the notches ensuring the coupling in rotation of the hoop and the first element.
  • the device according to the invention can advantageously be used for packaging and dispensing under pressure of a cosmetic product, care, make-up, personal hygiene, hair care or protection of the skin against the effects of solar radiation.
  • FIGS 1, 2, 3A-3D to which reference is now made represent different views of a packaging and dispensing device 1 according to a preferential embodiment of the invention.
  • the device 1 comprises a pressurized container 2, aluminum or tinplate, containing the product and a suitable gas to pressurize the product.
  • the container 2 is surmounted by a valve 11 of the type to failover.
  • the valve 11 comprises a valve stem 12 emerging outside of the valve body 8, and traversed by an axial channel 19.
  • the container 2 is equipped of a dispensing head 10 for the actuation of the valve 11 and the distribution of the produced under pressure.
  • the X-axis distribution head 10 comprises a mounting collar 13 mounted by snap fastening on the crimping bead 14 of the valve 11.
  • the hoop assembly 13 mainly comprises a cylindrical skirt 15 with one end is open, and the other end has an annular flange 16 delimiting an opening 17.
  • the inner surface of the skirt 15 is provided with a bead detent 18 of the hoop 13 on the crimping bead 14 of the valve.
  • the dispensing head 10 also comprises a first element 20 comprising mainly a tubular member 21 whose first end 22 is mounted tightly on the valve stem 12 so as to ensure communication between the axial channel 23 passing through the first element 20 and the axial channel 19 passing through the valve stem 12.
  • the tubular member 21 comprises a first portion 24, adjacent to the first end 22, and separated from a second portion 25, of smaller section than the first, by a shoulder 26 terminating at its periphery by a bead ring finger 27.
  • the tubular member 21 is connected to a transverse annular wall 28.
  • the peripheral edge of the annular wall 28 is connected to a side skirt 29 whose outer surface has a thread 30.
  • the lateral skirt 29 is connects to a portion of frustoconical skirt 31 ending in a collar annular ring whose outer diameter is greater than the diameter of the opening 17 formed in the band 13.
  • the discontinuous collar comprises two diametrically opposed portions forming notches 32 for insertion into grooves 9 formed between ribs 7 spaced regularly on the internal surface of the lateral skirt 15 of the hoop 13, so as to immobilize in rotating the inner element 20 of the dispensing head 10 relative to the hoop 13. This engagement of the grooves 9 of the band 13 with the notches 32 of the inner member 20 is illustrated in the cross-sectional view of FIG. 3D.
  • the tubular member 21 ends with a portion of reduced section 34 closed by end wall 35.
  • the channel 23 opens radially via at least one orifice inside 36.
  • the portion of reduced section 34 is bordered by an annular lip 37 one end of which is connected to the inner member 20, and the other end forms a free edge 38 facing upwards.
  • the dispensing head 10 also comprises a second element 40 of height substantially identical to the height of the first element 20, and disposed outside of the last.
  • the element 40 has a lateral skirt 41 whose section progressively increases towards an open end 42 ending in a free edge 43. near the open end 42, the inner surface of the lateral skirt 41 has a thread 44 adapted to cooperate with the threading 30 provided on the surface exterior of the inner element 20.
  • the inner surface of the side skirt 41 forms a annular flange 45 adapted to abut against the bead 27 of the element interior, so as to be discussed in more detail later, to prevent the outer member 40 to separate from the inner member 20.
  • the side skirt is closed by a transverse wall 47 pierced at its center with an axial orifice 48, diameter slightly greater than the outside diameter of the section portion reduced 34 of the inner element 20.
  • the portion 34 of the element 20 is section slightly increasing in the opposite direction to the end wall 35.
  • the inner element 20 is introduced through its end 33 inside the hoop 13 via the opening 17 of the latter, taking care to arrange the notches 32 between two ribs 7 of the band 13.
  • the inner element 20, equipped with the hoop 13 is introduced by its end 33 inside the outer element 40, until the crossing of the ring flange 45 by the bead 27. Such a crossing is done by a slight elastic deformation.
  • the element 40 is then screwed onto the inner element 20.
  • the portion of reduced section 34 may be of slightly increasing section towards the valve stem so as to promote tightness on closing.
  • the free edge 38 of the lip 37 is light elastic support against the inner surface of the end wall 47.
  • the free edge 43 of the lateral skirt 41 is substantially in contact with the annular wall transverse 16 of the band 13.
  • the user unscrews the element 40 relative to the inner element 20, until the flange 45 of the outer member 40 is in abutment against the bead 27 of the inner element.
  • the free edge 43 of the lateral skirt 41 of the outer element 40 is at a distance from the hoop 13. portion of reduced section 34 of the inner member 20 is no longer in engagement with the dispensing orifice 48, which is then released.
  • the free edge 38 of the annular lip 37 is sealingly applied against the inner surface of the lateral skirt 41 of the outer element 40.
  • valve To actuate the valve, it then remains, as illustrated in FIG. 3C, to exert a lateral pressure F on the outer surface of the lateral skirt 41 of the element outside 40, regardless of the angular position where this pressure is exerted.
  • the pressure thus exerted on the element 40 causes the tilting of the rod of valve 12, and the output of the product under pressure via channel 19 of the valve stem 12, the channel 23 of the inner member 20, the inner outlet port 36, and the port of
  • the valve closes automatically under the return force of a suitable spring disposed the inside of the valve body 8.

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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)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Vending Machines For Individual Products (AREA)

Abstract

The container (2) for a pressurised product has a valve (11) with a stem (12) and a dispensing head (10) with an element (20) which has one end attached to the valve stem and the other to an outlet orifice (38). A second element (40) of the dispensing head has an orifice (48) and can moved between two positions - one in which the orifice is closed by the first element and another in which is is open and linked with the valve to dispense the product. The movement of the second element relative to the first is made transversely with regard to its axis.

Description

La présente invention a trait à un dispositif pour le conditionnement et la distribution sous pression d'un produit, notamment cosmétique. Un tel produit peut être sous forme d'un liquide, d'une mousse, ou de consistance plus visqueuse, notamment sous forme d'une crème ou d'un gel. L'invention peut être utilisée notamment pour le conditionnement et la distribution d'un produit de soin, d'un produit de maquillage, d'un produit capillaire ou d'hygiène corporelle, ou d'un produit de protection de la peau contre les effets des rayonnements du soleil.The present invention relates to a device for conditioning and pressure distribution of a product, especially a cosmetic product. Such a product can be in the form of a liquid, a foam, or a more viscous consistency, especially in the form of a cream or a gel. The invention can be used especially for the packaging and distribution of a care product, a make-up product, a hair product or personal hygiene product, or a skin protection product against the effects of sun radiation.

Le produit peut être pressurisé au moyen d'un gaz propulseur, liquéfié ou non. Le gaz peut être conditionné, directement au contact du produit, ou de manière séparée via un piston ou une poche à parois souples.The product can be pressurized by means of a propellant gas, liquefied or not. The The gas may be conditioned, directly in contact with the product, or separated by a piston or pocket with soft walls.

La demande de brevet FR-A-2 635 085 décrit un distributeur du type à pompe ou à valve comprenant un récipient contenant le produit. Le récipient est surmonté d'une valve, et d'une tête de distribution pour l'actionnement de la valve, et la distribution du produit via au moins un orifice de distribution. Un capot est monté serrant sur l'embout de distribution entre deux utilisations.Patent Application FR-A-2,635,085 describes a pump-type dispenser or valve comprising a container containing the product. The container is topped a valve, and a dispensing head for actuating the valve, and the dispensing the product via at least one dispensing orifice. A hood is mounted squeezing on the dispensing tip between two uses.

Les problèmes se posant avec une telle configuration sont multiples.The problems with such a configuration are many.

Le premier tient au fait que même en position montée du capot, l'orifice de distribution n'est pas obturé de manière étanche. De ce fait, en particulier pour certains produits dont la tendance à se colmater en séchant est forte, l'orifice de distribution ainsi que le canal débouchant sur l'orifice de distribution, sont sujets à encrassement, ce qui risque de rendre le dispositif totalement inutilisable, notamment après une longue période d'inutilisation. De plus le produit résiduel dans le canal et au voisinage de l'ouverture, est susceptible de se dégrader, notamment par oxydation, et être d'aspect peu attractif. The first is that even when the hood is in the up position, distribution is not sealed. Therefore, especially for certain products whose tendency to clog when drying is strong, the orifice of distribution and the channel leading to the dispensing orifice, are subject to fouling, which may render the device completely unusable, especially after a long period of non-use. In addition, the residual product in the channel and in the vicinity of the opening, is likely to degrade, especially by oxidation, and be of unattractive appearance.

En outre, les risques sont grands pour qu'il se produise un actionnement intempestif de l'élément de distribution, en particulier lorsqu'il s'agit d'une valve dont la course d'actionnement est très faible.In addition, the risks are great for an actuation to occur inadvertent distribution element, particularly when it is a valve whose actuating stroke is very low.

Dans le domaine des dispositifs de type aérosol, il est connu par ailleurs, soit de réaliser une valve, directement sous forme d'un embout délimitant un canal dont l'extrémité libre, en position de repos, est obturée par un center-post, soit d'équiper une valve conventionnelle d'un tel embout.In the field of aerosol-type devices, it is known moreover that make a valve, directly in the form of a mouthpiece delimiting a channel whose the free end, in the rest position, is closed by a center-post, either to equip a conventional valve with such a nozzle.

Des dispositifs du type précité sont décrits notamment dans les documents EP-A-031 123, FR-A-2 684 080, US-A-5 370 313, US-A-3 696 977, EP-B1-298 847, FR-A-2 251 761, FR-A- 2 253 970, US-A-3 406 944. Pour certains de ces documents, le canal d'amenée du produit est formé à l'intérieur du center-post. Pour d'autres, le canal d'amenée du produit est formé autour du center-post.Devices of the aforementioned type are described in particular in documents EP-A-031 123, FR-A-2 684 080, US-A-5 370 313, US-A-3 696 977, EP-B1-298 847, FR-A-2 251,761, FR-A-2,253,970, US-A-3,406,944. For some of these documents, the supply channel of the product is formed inside the center-post. For others, the feed channel of the product is formed around the center-post.

Une commande d'actionnement, généralement sous forme d'une pression, interrompt l'étanchéité entre le center-post et le bord libre de l'embout délimitant l'orifice de distribution, dégageant ainsi au moins en partie ce dernier.An actuating command, generally in the form of a pressure, interrupts the seal between the center-post and the free edge of the delimiting end the dispensing orifice, thus releasing at least part of the latter.

Lorsque l'embout fait office de valve, l'ouverture de l'orifice de distribution permet au produit d'être distribué directement.When the tip acts as a valve, the opening of the dispensing orifice allows the product to be distributed directly.

Lorsque l'embout surmonte une valve conventionnelle, la commande d'actionnement provoque de manière simultanée ou quasi simultanée le dégagement de l'orifice de distribution et l'ouverture de la valve. De même, le retour de l'orifice de distribution dans sa position de fermeture s'effectue par rappel élastique lorsque cesse la pression d'actionnement de la valve, et ce, soit sous l'effet de la pression du produit, soit sous l'effet d'une force de rappel générée par un ressort équipant la valve ou par un ressort auxiliaire.When the tip overcomes a conventional valve, the control actuation causes simultaneous or near simultaneous clearance of the dispensing orifice and the opening of the valve. Similarly, return of the dispensing orifice in its closed position is effected by elastic return when the pressure of actuation of the valve stops, and this, either under the effect of the pressure of the product, either under the effect of a force of recall generated by a spring equipping the valve or by an auxiliary spring.

D'une manière générale, de telles configurations permettent à toute partie du canal d'amenée, située en amont de l'orifice de distribution, d'être protégée de l'environnement extérieur, évitant ainsi les problèmes de coagulation de produit résiduel à cet endroit ou d'oxydation d'un tel produit résiduel. In general, such configurations allow any part of the intake channel, located upstream of the dispensing orifice, to be protected from the external environment, thus avoiding problems of product coagulation residual at this location or oxidation of such a residual product.

En revanche, comme pour le dispositif décrit dans la demande de brevet FR-A-2 635 085, rien n'empêche les actionnements accidentels de la valve.On the other hand, as for the device described in patent application FR-A-2 635 085, nothing prevents the accidental actuation of the valve.

En outre, une telle conception impose une gestuelle qui n'est pas toujours des plus conviviales, et qui rend difficiles certains modes de prélèvement. C'est le cas par exemple lorsque l'on souhaite, d'un même doigt, actionner la valve et recueillir le produit distribué. Par ailleurs, les étanchéités, notamment au voisinage de l'orifice de distribution peuvent être difficiles à réaliser, sauf à rendre plus difficile l'actionnement de la valve, ce qui, dans des domaines tels que la cosmétique, peut être considéré comme rédhibitoire. Enfin, le coût de fabrication d'un tel dispositif est élevé, et bien souvent incompatible avec les impératifs de certains circuits de distribution tels que la grande distribution.In addition, such a design imposes a gesture that is not always more user-friendly, which makes some methods of sampling difficult. It's the case for example when one wishes, with the same finger, to actuate the valve and collect the distributed product. In addition, seals, especially in the vicinity of the dispensing orifice can be difficult to achieve, except to make it more difficult the actuation of the valve, which in areas such as cosmetics, can be considered unacceptable. Finally, the cost of manufacturing such a device is high, and often incompatible with the imperatives of some distribution channels such as large-scale distribution.

Dans le brevet US-A-3 450 316, la tige de valve elle même fait office de center-post. Un élément extérieur délimitant un orifice de distribution est vissé sur la tige de valve de manière à passer d'une première position dans laquelle l'orifice de distribution est dégagé à une seconde position dans laquelle l'orifice de distribution est obturé. L'inconvénient d'une telle conception tient au fait qu'il interdit l'utilisation d'une tige de valve standard. De plus, le montage de cette dernière est des plus délicats à réaliser. En outre, pour des valves à faible course d'actionnement, il est extrêmement difficile de garantir à la fois une bonne sécurité vis à vis des actionnements intempestifs de la valve, et une bonne étanchéité à la fermeture. En effet, c'est l'extrémité libre de la tige de valve elle même qui assure la fermeture étanche de l'orifice de distribution lorsque l'élément extérieur est dans la seconde position. De ce fait, en raison du couplage direct entre l'élément extérieur et la tige de valve, la moindre pression exercée par l'élément extérieur sur la tige de valve, en vue d'assurer une bonne étanchéité à la fermeture, risque de causer l'actionnement de la valve. Une structure du même type est décrite dans le brevet US-A-3 901 410.In US-A-3,450,316, the valve stem itself serves as a center-post. An outer member delimiting a dispensing orifice is screwed onto the stem valve to move from a first position in which the orifice of distribution is released at a second position in which the orifice of distribution is closed. The disadvantage of such a design is that it prohibits the use of a standard valve stem. Moreover, the assembly of this last is most delicate to achieve. In addition, for small stroke valves it is extremely difficult to guarantee both a good safety against inadvertent actuation of the valve, and a good seal at the closing. Indeed, it is the free end of the valve stem itself which ensures the sealing of the dispensing orifice when the outer element is in the second position. Because of this, because of the direct coupling between the element outside and the valve stem, the slightest pressure exerted by the outer element on the valve stem, in order to ensure a good seal on closing, risk to cause the actuation of the valve. A structure of the same type is described in US-A-3,901,410.

Aussi, est-ce un des objets de l'invention que de réaliser un dispositif de conditionnement et de distribution sous pression d'un produit, notamment cosmétique, et qui permette de s'affranchir en tout ou partie, des problèmes évoqués ci-avant en référence aux dispositifs conventionnels.Also, is it an object of the invention to provide a device for packaging and distribution under pressure of a product, in particular cosmetics, and which makes it possible to get rid of all or part of the problems mentioned above with reference to conventional devices.

En particulier, c'est un objet de l'invention que de fournir un tel dispositif pour lequel les risques de colmatage et d'encrassement de l'orifice de distribution et/ou du canal débouchant sur ce dernier, sont réduits de manière substantielle.In particular, it is an object of the invention to provide such a device for which risks of clogging and fouling of the dispensing orifice and / or the channel opening on the latter, are reduced substantially.

C'est un autre objet de l'invention que de fournir un tel dispositif qui soit facile à utiliser et économique à réaliser.It is another object of the invention to provide such a device which is easy to use and economical to achieve.

C'est encore un autre objet de l'invention que de fournir un tel dispositif pour lequel les risques d'actionnement intempestif de la valve sont réduits de manière sensible.It is yet another object of the invention to provide such a device for which the risks of inadvertent actuation of the valve are reduced so sensitive.

D'autres objets encore apparaítront dans la description détaillée qui suit.Still other objects will appear in the following detailed description.

Selon l'invention, ces objets sont atteints en réalisant un dispositif de conditionnement et de distribution comprenant :

  • i) un récipient pressurisé ;
  • ii) une valve équipant le récipient, et comprenant une tige de valve dont une portion émerge à l'extérieur d'un corps de valve ; et
  • iii) une tête de distribution pour l'actionnement de la valve, la tête de distribution comprenant :
  • a) un premier élément dont une première extrémité est couplée à la tige de valve de manière à mettre en communication un canal traversant axialement la tige de valve avec un canal, ménagé axialement dans le premier élément, et débouchant via au moins un orifice de sortie intérieur disposé à distance non nulle d'une extrémité libre de la tige de valve ; et
  • b) un second élément délimitant un orifice de distribution, et apte à passer d'une première position relativement au premier élément, interdisant l'actionnement de la valve, et dans laquelle l'orifice de distribution est obturé par le premier élément à une seconde position, autorisant l'actionnement de la valve, et dans laquelle l'orifice de distribution est au moins en partie dégagé, et communique avec l'orifice de sortie intérieur.
    • According to the invention, these objects are achieved by providing a packaging and dispensing device comprising:
  • i) a pressurized container;
  • ii) a valve equipping the container, and comprising a valve stem, a portion of which emerges outside a valve body; and
  • iii) a dispensing head for actuating the valve, the dispensing head comprising:
  • a) a first element whose first end is coupled to the valve stem so as to put into communication a channel axially passing through the valve stem with a channel, arranged axially in the first element, and opening via at least one outlet orifice; interior disposed at a non-zero distance from a free end of the valve stem; and
  • b) a second element delimiting a dispensing orifice, and adapted to pass from a first position relative to the first element, preventing the actuation of the valve, and wherein the dispensing orifice is closed by the first element to a second position, allowing actuation of the valve, and wherein the dispensing orifice is at least partly clear, and communicates with the inner outlet port.

    • Cette combinaison unique de moyens permet d'éviter tout actionnement intempestif de la valve. En position de stockage, toute la portion de la tête de distribution située en amont de l'orifice de distribution est à l'abri de l'air extérieur, évitant ainsi tout risque de coagulation du produit résiduel et d'encrassement de la tête.This unique combination of means avoids any actuation inadvertent valve. In storage position, the entire portion of the head of distribution upstream of the dispensing orifice is protected from the outside air, thus avoiding any risk of coagulation of the residual product and fouling of the head.

    Ainsi, selon l'invention, et à l'inverse de certaines configurations conventionnelles auxquelles il a été fait référence ci-avant, le premier élément est un élément distinct de la tige de valve, et est intercalé entre cette dernière et le second élément. De cette manière, il fait tampon entre la tige de valve et le second élément, et permet à la fois de garantir une bonne étanchéité à la fermeture de l'orifice de distribution, tout en maintenant à un niveau très bas le risque d'actionnement intempestif de la valve. Dans les documents US-A- 3 450 316 et US-A-3 901 410 auxquels il a été fait référence précédemment, l'élément définissant l'orifice de distribution est couplé directement à la tige de valve.Thus, according to the invention, and contrary to certain conventional configurations to which reference has been made above, the first element is an element distinct from the valve stem, and is interposed between the latter and the second element. In this way, it buffers between the valve stem and the second element, and allows both to ensure a good seal at the closing of the dispensing orifice, while keeping the risk at a very low level inadvertent actuation of the valve. In US-A-3,450,316 and US-A-3,901,410 to which reference was made previously, the element defining the dispensing orifice is coupled directly to the valve stem.

    La tête de distribution selon l'invention peut être utilisée sur n'importe quelle tige de valve standard.The dispensing head according to the invention can be used on any rod standard valve.

    Une telle configuration permet par ailleurs de réaliser une tête de distribution dont l'esthétique est similaire à celle équipant les récipients sous forme de tubes. Cette caractéristique, d'un point de vue marketing, est avantageuse lorsque le produit à conditionner est sous forme d'une crème de soin ou d'un gel, traditionnellement conditionné dans un tube.Such a configuration also makes it possible to produce a dispensing head of which the aesthetics is similar to that fitted to the containers in the form of tubes. This characteristic, from a marketing point of view, is advantageous when the product to conditioning is in the form of a care cream or a gel, traditionally conditioned in a tube.

    Préférentiellement, des moyens sont prévus pour, au moins lorsque le second élément est dans la seconde position, faire étanchéité entre le premier élément et le second de manière à assurer l'acheminement de la totalité du produit sortant du (ou des) orifice(s) de sortie intérieur(s) vers l'orifice de distribution.Preferably, means are provided for, at least when the second element is in the second position, to seal between the first element and the second to ensure the delivery of all the product coming out of the (or) outlet (s) interior (s) to the dispensing orifice.

    De préférence, ces moyens font également étanchéité lorsque le second élément est dans la première position. Ils permettent ainsi d'éviter que du produit résiduel séjournant au voisinage de l'orifice intérieur s'écoule entre le premier élément et le second, en direction de la valve, et souille ainsi le dispositif.Preferably, these means also seal when the second element is in the first position. They thus make it possible to avoid residual product staying in the vicinity of the inner orifice flows between the first element and the second, towards the valve, and so contaminates the device.

    De tels moyens peuvent être constitués d'une lèvre annulaire dont un bord libre, au moins lorsque le second élément est dans la seconde position, s'applique de manière étanche contre une surface annulaire intérieure du second élément.Such means may consist of an annular lip including a free edge, at least when the second element is in the second position, applies sealingly against an inner annular surface of the second member.

    Le dispositif peut comprendre des moyens qui, lorsque le second élément est dans la première position relativement au premier, sont contraints élastiquement entre les premier et second éléments. Un tel élément en légère contrainte élastique contribue à renforcer l'effet tampon auquel il a été fait référence précédemment. Une telle contrainte élastique doit être telle, qu'elle autorise un appui suffisant entre le premier élément et le second de manière à assurer une fermeture suffisamment étanche de l'orifice de distribution, sans risquer toutefois de provoquer l'actionnement de la valve. A cet effet, la lèvre annulaire est configurée de manière à avoir une flexibilité suffisante.The device may include means which, when the second element is in the first position relative to the first, are elastically constrained between the first and second elements. Such an element in slight constraint elastic reinforces the buffering effect that has been referred to previously. Such an elastic stress must be such that it allows a sufficient support between the first and second elements to ensure sufficiently tight closure of the dispensing orifice, without however risking to cause the actuation of the valve. For this purpose, the annular lip is configured to have sufficient flexibility.

    Les moyens d'étanchéité peuvent faire office de moyens élastiques. La structure globale s'en trouve simplifiée d'autant.The sealing means can act as elastic means. The structure overall is thereby simplified.

    De préférence, la lèvre annulaire à son bord libre tourné dans une direction opposée à la tige de valve. Ainsi, lorsque le second élément est dans la première position, le bord libre peut être en léger appui élastique contre la surface intérieure d'une paroi d'extrémité du second élément, délimitant ledit orifice de distribution, ledit bord libre s'appliquant de manière étanche contre la surface intérieure d'une paroi latérale du second élément lorsque ce dernier est dans la seconde position.Preferably, the annular lip at its free edge turned in one direction opposite to the valve stem. So when the second element is in the first position, the free edge can be in slight elastic support against the inner surface an end wall of the second element delimiting said dispensing orifice, said free edge applying sealingly against the inner surface of a side wall of the second element when the latter is in the second position.

    De préférence, l'actionnement de la valve résulte d'une commande exercée sur le second élément lorsque ce dernier est dans la seconde position. A cet effet, la surface extérieure du second élément peut comporter des reliefs, notamment des bossages ou portions en creux, favorisant l'exercice d'une pression d'actionnement à l'endroit adéquat. Preferably, the actuation of the valve results from a control exerted on the second element when the latter is in the second position. For this purpose, outer surface of the second element may comprise reliefs, in particular bosses or recessed portions, promoting the exercise of pressure actuation at the proper place.

    De préférence, le mouvement d'actionnement de la valve est un mouvement distinct de celui permettant le passage du second élément de la première position à la seconde. Ainsi, le mouvement visant à faire passer la tête de distribution de la position de stockage (second élément dans la première position) à la position de distribution (second élément dans la seconde position) est déconnecté du mouvement d'actionnement de la valve. Deux commandes distinctes sont requises : l'une pour faire passer la tête de distribution en position de distribution, l'autre pour actionner la valve.Preferably, the actuating movement of the valve is a movement distinct from that allowing the passage of the second element of the first position to the second. Thus, the movement to move the distribution head of the storage position (second element in the first position) at the position of distribution (second element in the second position) is disconnected from the actuating movement of the valve. Two separate orders are required : one to move the dispensing head to the dispensing position, the other to operate the valve.

    De préférence, le passage du second élément de la première position à la seconde résulte d'un mouvement du second élément relativement au premier dont le sens et/ou la direction est différent du mouvement d'actionnement de la valve. On réduit ainsi de manière sensible les risques d'actionnement intempestif de la valve, en particulier au moment précis où l'on fait passer la tête de distribution de la position de stockage à la position de distribution.Preferably, the passage of the second element from the first position to the second result of a movement of the second element relative to the first of which the direction and / or direction is different from the actuating movement of the valve. This significantly reduces the risk of inadvertent actuation of the valve, especially at the precise moment when the dispensing head is the storage position at the dispensing position.

    Ainsi, le passage du second élément de la première position à la seconde peut résulter d'un mouvement du second élément relativement au premier selon un axe X du premier élément, le mouvement d'actionnement de la valve étant un mouvement transversal audit axe X. Une telle configuration correspond à celle dans laquelle on utilise une valve à basculement.Thus, the passage of the second element from the first position to the second can result of a movement of the second element relative to the first along an axis X of the first element, the actuating movement of the valve being a transverse movement to said axis X. Such a configuration corresponds to that in which a tilting valve is used.

    Alternativement, le passage du second élément de la première position à la seconde résulte d'un mouvement du second élément relativement au premier selon un axe X du premier élément, dans un premier sens, le mouvement d'actionnement de la valve étant un mouvement selon l'axe X, dans un second sens, opposé au premier. Une telle configuration correspond à celle dans laquelle on utilise une valve à enfoncement.Alternatively, the transition from the second element of the first position to the second result of a movement of the second element relative to the first along an X axis of the first element, in a first sense, the movement actuating the valve being a movement along the axis X, in a second meaning, opposite to the first. Such a configuration corresponds to that in which a push-in valve is used.

    Le couplage existant entre le premier élément et le second est tel que la seconde position du second élément relativement au premier est une position "stable", c'est à dire que cette position est maintenue même lorsque cesse la contrainte causant le passage de la première à la seconde position. Un tel couplage est constitué de préférence d'un vissage/devissage. En effet, un tel couplage autorise la réalisation d'une bonne étanchéité à la fermeture de l'orifice de distribution tout en réduisant les risques d'actionnement intempestifs, en particulier lorsque, après utilisation, l'utilisateur fait passer la tête de distribution de la position de distribution à la position de stockage.The coupling existing between the first element and the second is such that the second position of the second element relative to the first is a "stable" position, it is to say that this position is maintained even when the constraint causing the transition from the first to the second position. Such a coupling consists of preferably a screwing / unscrewing. Indeed, such a coupling authorizes the realization a good seal when closing the dispensing orifice while reducing the risks of inadvertent activation, in particular when, after use, the user moves the dispensing head from the dispensing position to the storage position.

    Selon un mode de réalisation particulier, le passage de la première position à la seconde résulte d'une rotation d'environ 360° du second élément relativement au premier.According to a particular embodiment, the transition from the first position to the second result of a rotation of about 360 ° of the second element relative to the first.

    De préférence, le (ou les) orifice(s) de sortie intérieur(s) est (sont) d'axe non parallèle à un axe de l'orifice de distribution. Cette caractéristique contribue à faciliter la configuration de la tête de distribution selon l'invention.Preferably, the (or) internal outlet orifice (s) is (are) of axis parallel to an axis of the dispensing orifice. This feature contributes to facilitate the configuration of the dispensing head according to the invention.

    Ainsi, l'orifice de distribution peut être orienté selon un axe X du premier élément, le (ou les) orifice(s) intérieur(s) étant orienté(s) transversalement audit axe.Thus, the dispensing orifice may be oriented along an axis X of the first element, the (or) internal orifice (s) being oriented (s) transversely to said axis.

    Avantageusement, la tête de distribution comprend une frette de montage, solidaire du récipient, ledit premier élément étant immobile en rotation par rapport à la frette de montage. Cette caractéristique est importante notamment lorsque le mouvement relatif entre les premier et second éléments est un mouvement de vissage/dévissage.Advantageously, the dispensing head comprises a mounting collar, integral with the container, said first element being stationary in rotation relative to at the mounting collar. This characteristic is important especially when the relative movement between the first and second elements is a movement of screwing / unscrewing.

    La frette de montage peut être montée fixement sur le récipient, notamment par encliquetage serrant. Alternativement, elle peut être vissée sur le récipient.The mounting collar can be fixedly mounted on the container, in particular by snap fastening. Alternatively, it can be screwed onto the container.

    Avantageusement, le premier élément est immobilisé en rotation par rapport à la frette de montage, au moyen d'un ou plusieurs crans, formé(s) par la frette de montage (respectivement, le premier élément), et apte(s) à s'engager dans un nombre correspondant de rainures formée(s) par le premier élément (respectivement, la frette de montage). L'opération de montage de la tête de distribution, et notamment la mise en concordance des crans avec les rainures, est d'autant plus facile à obtenir que leur nombre est grand. A titre d'exemple indicatif, leur nombre va de 2 à 6, et de préférence, de 2 à 4. Advantageously, the first element is immobilized in rotation relative to the mounting fret, by means of one or more notches, formed by the fret of assembly (respectively, the first element), and able to engage in a corresponding number of grooves formed by the first element (respectively, the mounting band). The mounting operation of the head of distribution, and in particular the matching of the notches with the grooves, is all the easier to obtain as their number is large. For exemple indicative, their number ranges from 2 to 6, and preferably from 2 to 4.

    Avantageusement encore, le second élément comprend un bord, notamment annulaire, qui, lorsque le second élément est dans la première position, est sensiblement au contact de la frette de montage de manière à interdire l'actionnement de la valve. Le terme "sensiblement" traduit la fait que le jeu existant entre le bord annulaire du capot et la frette de montage est inférieur à la course nécessaire pour provoquer l'actionnement de la valve. Un tel jeu, lorsque l'élément de distribution est une valve, peut être de l'ordre de 0,5 mm. Un tel bord est de préférence disposé à l'opposé de la paroi d'extrémité dans laquelle est ménagé l'orifice de distribution.Advantageously, the second element comprises an edge, in particular annular, which, when the second element is in the first position, is substantially in contact with the mounting band so as to prohibit the actuation of the valve. The term "substantially" reflects the fact that the game existing between the annular rim of the hood and the mounting hoop is less than the stroke necessary to cause the actuation of the valve. Such a game, when the distribution element is a valve, may be of the order of 0.5 mm. Such an edge is preferably arranged opposite the end wall in which is arranged the dispensing orifice.

    Des moyens, notamment sous forme d'une butée axiale, peuvent être prévus pour, en position montée de la tête de distribution sur le récipient, empêcher de désolidariser le second élément du premier.Means, in particular in the form of an axial abutment, may be provided for, in the mounted position of the dispensing head on the container, to prevent to separate the second element from the first.

    De même, le premier élément peut comporter un organe, notamment sous forme d'une collerette continue ou discontinue, qui, en coopération avec une portion correspondante de la frette, interdit de désolidariser la tête de distribution de la frette. En outre, cette collerette annulaire, lors de l'actionnement de l'élément de distribution par basculement, peut venir en engagement avec ladite portion correspondante de la frette, et agir à la manière d'un bras de levier. On facilite encore la distribution du produit. Avantageusement, c'est précisément cette collerette qui définit les crans assurant le couplage en rotation de la frette et du premier élément.Similarly, the first element may comprise an organ, in particular in the form of a continuous or discontinuous collar, which, in cooperation with a corresponding to the hoop, forbidden to disconnect the dispensing head from the fret. In addition, this annular flange, when actuating the element of tipping distribution, may come into engagement with said portion corresponding to the fret, and act in the manner of a lever arm. We facilitate still the distribution of the product. Advantageously, it is precisely this flange which defines the notches ensuring the coupling in rotation of the hoop and the first element.

    Le dispositif selon l'invention peut être utilisé avantageusement pour le conditionnement et la distribution sous pression d'un produit cosmétique, notamment de soin, de maquillage, d'hygiène corporelle, capillaire ou de protection de la peau contre les effets des rayonnements solaires.The device according to the invention can advantageously be used for packaging and dispensing under pressure of a cosmetic product, care, make-up, personal hygiene, hair care or protection of the skin against the effects of solar radiation.

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

    • la figure 1 est une vue d'ensemble du dispositif selon un mode de réalisation préférentiel de l'invention ;
    • la figure 2 est une vue éclatée de la tête de distribution équipant le dispositif se la figure 1 ;
    • la figure 3A représente la tête de distribution de la figure 2 en position de stockage ;
    • la figure 3B représente la tête de distribution de la figure 2 en position de distribution ;
    • la figure 3C est représentative de la tête de distribution des figures 3A et 3B lors de son actionnement ; et
    • la figure 3D est une vue en coupe transversale de la figure 3A.
    The invention consists, apart from the arrangements described above, in a certain number of other arrangements which will be explained below, with reference to nonlimiting exemplary embodiments, described with reference to the appended figures, among which:
    • Figure 1 is an overall view of the device according to a preferred embodiment of the invention;
    • Figure 2 is an exploded view of the dispensing head equipping the device is Figure 1;
    • Figure 3A shows the dispensing head of Figure 2 in the storage position;
    • Figure 3B shows the dispensing head of Figure 2 in the dispensing position;
    • Figure 3C is representative of the dispensing head of Figures 3A and 3B when actuated; and
    • Figure 3D is a cross-sectional view of Figure 3A.

    Les figures 1, 2, 3A-3D auxquelles il est maintenant fait référence représentent différentes vues d'un dispositif de conditionnement et de distribution 1 selon un mode de réalisation préférentiel de l'invention.Figures 1, 2, 3A-3D to which reference is now made represent different views of a packaging and dispensing device 1 according to a preferential embodiment of the invention.

    Selon ce mode de réalisation, le dispositif 1 comprend un bidon pressurisé 2, notamment en aluminium ou en fer blanc, contenant le produit ainsi qu'un gaz apte à pressuriser le produit. Le récipient 2 est surmonté d'une valve 11 du type à basculement. La valve 11 comprend une tige de valve 12 émergeant à l'extérieur du corps de valve 8, et traversée par un canal axial 19. Le récipient 2 est équipé d'une tête de distribution 10 pour l'actionnement de la valve 11 et la distribution du produit sous pression.According to this embodiment, the device 1 comprises a pressurized container 2, aluminum or tinplate, containing the product and a suitable gas to pressurize the product. The container 2 is surmounted by a valve 11 of the type to failover. The valve 11 comprises a valve stem 12 emerging outside of the valve body 8, and traversed by an axial channel 19. The container 2 is equipped of a dispensing head 10 for the actuation of the valve 11 and the distribution of the produced under pressure.

    La tête de distribution 10, d'axe X, comprend une frette de montage 13 montée par encliquetage serrant sur le bourrelet de sertissage 14 de la valve 11. La frette de montage 13 comporte principalement une jupe cylindrique 15 dont une extrémité est ouverte, et dont l'autre extrémité comporte un rebord annulaire 16 délimitant une ouverture 17. La surface interne de la jupe 15 est pourvue d'un bourrelet d'encliquetage 18 de la frette 13 sur le bourrelet de sertissage 14 de la valve.The X-axis distribution head 10 comprises a mounting collar 13 mounted by snap fastening on the crimping bead 14 of the valve 11. The hoop assembly 13 mainly comprises a cylindrical skirt 15 with one end is open, and the other end has an annular flange 16 delimiting an opening 17. The inner surface of the skirt 15 is provided with a bead detent 18 of the hoop 13 on the crimping bead 14 of the valve.

    La tête de distribution 10 comprend également un premier élément 20 comportant principalement un organe tubulaire 21 dont une première extrémité 22 est montée de façon serrante sur la tige de valve 12 de manière à assurer la communication entre le canal axial 23 traversant le premier élément 20 et le canal axial 19 traversant la tige de valve 12.The dispensing head 10 also comprises a first element 20 comprising mainly a tubular member 21 whose first end 22 is mounted tightly on the valve stem 12 so as to ensure communication between the axial channel 23 passing through the first element 20 and the axial channel 19 passing through the valve stem 12.

    L'organe tubulaire 21 comprend une première portion 24, adjacente à la première extrémité 22, et séparée d'une seconde portion 25, de section plus faible que la première, par un épaulement 26 se terminant à sa périphérie par un bourrelet annulaire 27.The tubular member 21 comprises a first portion 24, adjacent to the first end 22, and separated from a second portion 25, of smaller section than the first, by a shoulder 26 terminating at its periphery by a bead ring finger 27.

    Au voisinage de la première extrémité 22, l'organe tubulaire 21 se raccorde à une paroi annulaire transversale 28. Le bord périphérique de la paroi annulaire 28 se raccorde à une jupe latérale 29 dont la surface extérieure comporte un filetage 30.In the vicinity of the first end 22, the tubular member 21 is connected to a transverse annular wall 28. The peripheral edge of the annular wall 28 is connected to a side skirt 29 whose outer surface has a thread 30.

    En son extrémité opposée à la paroi transversale 28, la jupe latérale 29 se raccorde à une portion de jupe tronconique 31 se terminant par une collerette annulaire discontinue dont le diamètre extérieur est supérieur au diamètre de l'ouverture 17 ménagée dans la frette 13. La collerette discontinue comprend deux portions diamétralement opposées formant des crans 32 destinés à s'insérer dans des rainures 9 formées entre des nervures 7 espacées régulièrement sur la surface interne de la jupe latérale 15 de la frette 13, de manière à immobiliser en rotation l'élément intérieur 20 de la tête de distribution 10 par rapport à la frette 13. Cette mise en engagement des rainures 9 de la frette 13 avec les crans 32 de l'élément intérieur 20 est illustrée à la vue en coupe transversale de la figure 3D.At its end opposite the transverse wall 28, the lateral skirt 29 is connects to a portion of frustoconical skirt 31 ending in a collar annular ring whose outer diameter is greater than the diameter of the opening 17 formed in the band 13. The discontinuous collar comprises two diametrically opposed portions forming notches 32 for insertion into grooves 9 formed between ribs 7 spaced regularly on the internal surface of the lateral skirt 15 of the hoop 13, so as to immobilize in rotating the inner element 20 of the dispensing head 10 relative to the hoop 13. This engagement of the grooves 9 of the band 13 with the notches 32 of the inner member 20 is illustrated in the cross-sectional view of FIG. 3D.

    En son extrémité 33 opposée à l'extrémité 22, l'organe tubulaire 21 se termine par une portion de section réduite 34 fermée par paroi d'extrémité 35. Au voisinage de la paroi d'extrémité 35, le canal 23 débouche radialement via au moins un orifice intérieur 36. La portion de section réduite 34 est bordée par une lèvre annulaire 37 dont une extrémité est raccordée à l'élément intérieur 20, et dont l'autre extrémité forme un bord libre 38 tourné vers le haut.At its end 33 opposite the end 22, the tubular member 21 ends with a portion of reduced section 34 closed by end wall 35. In the vicinity of the end wall 35, the channel 23 opens radially via at least one orifice inside 36. The portion of reduced section 34 is bordered by an annular lip 37 one end of which is connected to the inner member 20, and the other end forms a free edge 38 facing upwards.

    La tête de distribution 10 comprend également un second élément 40 de hauteur sensiblement identique à la hauteur du premier élément 20, et disposé à l'extérieur de ce dernier. The dispensing head 10 also comprises a second element 40 of height substantially identical to the height of the first element 20, and disposed outside of the last.

    L'élément 40 comporte une jupe latérale 41 dont la section croit progressivement en direction d'une extrémité ouverte 42 se terminant par un bord libre 43. Au voisinage de l'extrémité ouverte 42, la surface interne de la jupe latérale 41 comporte un filetage 44 apte à coopérer avec le filetage 30 prévu sur la surface extérieure de l'élément intérieur 20.The element 40 has a lateral skirt 41 whose section progressively increases towards an open end 42 ending in a free edge 43. near the open end 42, the inner surface of the lateral skirt 41 has a thread 44 adapted to cooperate with the threading 30 provided on the surface exterior of the inner element 20.

    Sensiblement à mi-hauteur, la surface interne de la jupe latérale 41 forme un rebord annulaire 45 apte à venir en butée contre le bourrelet 27 de l'élément intérieur 20 de manière à, comme on le verra plus en détail par la suite, empêcher l'élément extérieur 40 de se désolidariser de l'élément intérieur 20.At substantially mid-height, the inner surface of the side skirt 41 forms a annular flange 45 adapted to abut against the bead 27 of the element interior, so as to be discussed in more detail later, to prevent the outer member 40 to separate from the inner member 20.

    En son extrémité 46 opposée à l'extrémité ouverte 43, la jupe latérale est fermée par une paroi transversale 47 percée en son centre d'un orifice axial 48, de diamètre légèrement supérieur au diamètre extérieur de la portion de section réduite 34 de l'élément intérieur 20. La portion 34 de l'élément 20 est de section légèrement croissante dans la direction opposée à la paroi d'extrémité 35.At its end 46 opposite the open end 43, the side skirt is closed by a transverse wall 47 pierced at its center with an axial orifice 48, diameter slightly greater than the outside diameter of the section portion reduced 34 of the inner element 20. The portion 34 of the element 20 is section slightly increasing in the opposite direction to the end wall 35.

    Le montage de la tête de distribution selon le mode de réalisation qui vient d'être décrit s'effectue comme suit :The mounting of the dispensing head according to the embodiment which has just been described is as follows:

    L'élément intérieur 20 est introduit par son extrémité 33 à l'intérieur de la frette 13 via l'ouverture 17 de cette dernière, en prenant soin de disposer les crans 32 entre deux nervures 7 de la frette 13.The inner element 20 is introduced through its end 33 inside the hoop 13 via the opening 17 of the latter, taking care to arrange the notches 32 between two ribs 7 of the band 13.

    Ensuite, l'élément intérieur 20, équipé de la frette 13, est introduit par son extrémité 33 à l'intérieur de l'élément extérieur 40, jusqu'à franchissement de la collerette annulaire 45 par le bourrelet 27. Un tel franchissement se fait par une légère déformation élastique.Then, the inner element 20, equipped with the hoop 13, is introduced by its end 33 inside the outer element 40, until the crossing of the ring flange 45 by the bead 27. Such a crossing is done by a slight elastic deformation.

    L'introduction de l'élément intérieur 20 se poursuit jusqu'à ce que le filetage 44 de l'élément extérieur 40 vienne en engagement avec le filetage 30 de l'élément intérieur 20. The introduction of the inner member 20 continues until the thread 44 of the outer member 40 comes into engagement with the thread 30 of the element inside 20.

    L'élément 40 est alors vissé sur l'élément intérieur 20. Ce faisant la portion de section réduite 34 de l'élément intérieur s'engage de manière étanche à l'intérieur de l'orifice 48 de l'élément extérieur 40. La portion de section réduite 34 peut être de section légèrement croissante en direction de la tige de valve de manière à favoriser l'étanchéité à la fermeture. Le bord libre 38 de la lèvre 37 est en léger appui élastique contre la surface interne de la paroi d'extrémité 47. Le bord libre 43 de la jupe latérale 41 est sensiblement au contact de la paroi annulaire transversale 16 de la frette 13.The element 40 is then screwed onto the inner element 20. This makes the portion of reduced section 34 of the inner member engages tightly inside of the orifice 48 of the outer element 40. The portion of reduced section 34 may be of slightly increasing section towards the valve stem so as to promote tightness on closing. The free edge 38 of the lip 37 is light elastic support against the inner surface of the end wall 47. The free edge 43 of the lateral skirt 41 is substantially in contact with the annular wall transverse 16 of the band 13.

    Il ne reste alors qu'à monter la frette sur le récipient en l'accrochant au bourrelet de sertissage 14 de la valve 11, en prenant soin d'insérer la tige de valve 12 à l'intérieur de l'extrémité inférieure 22 de l'élément tubulaire 21.All that remains is to mount the hoop on the container by hanging it on the bead crimping 14 of the valve 11, taking care to insert the valve stem 12 to the inside of the lower end 22 of the tubular element 21.

    En position montée illustrée à la figure 3A, le bord annulaire 43 de l'élément 40 est en butée contre la paroi transversale 16 de la frette 13. L'orifice de distribution 48 est obturé de manière étanche par la portion de section réduite 34 de l'élément intérieur 20. Dans cette position, tout mouvement (enfoncement ou basculement latéral) de l'élément 40 est impossible. La valve 11 ne peut donc pas être actionnée.In the mounted position illustrated in FIG. 3A, the annular edge 43 of the element 40 is in abutment against the transverse wall 16 of the hoop 13. The dispensing orifice 48 is closed sealingly by the portion of reduced section 34 of the element 20. In this position, any movement (depression or tilting lateral) of element 40 is impossible. The valve 11 can not be actuated.

    Pour actionner la valve 11, en vue de distribuer une dose de produit, l'utilisateur dévisse l'élément 40 par rapport à l'élément intérieur 20, jusqu'à ce que la collerette 45 de l'élément extérieur 40 soit en butée contre le bourrelet 27 de l'élément intérieur. Dans cette position représentée à la figure 3B, le bord libre 43 de la jupe latérale 41 de l'élément extérieur 40 est à distance de la frette 13. La portion de section réduite 34 de l'élément intérieur 20 n'est plus en engagement avec l'orifice de distribution 48, lequel est alors dégagé. Le bord libre 38 de la lèvre annulaire 37 est appliqué de manière étanche contre la surface interne de la jupe latérale 41 de l'élément extérieur 40.To actuate the valve 11, in order to dispense a dose of product, the user unscrews the element 40 relative to the inner element 20, until the flange 45 of the outer member 40 is in abutment against the bead 27 of the inner element. In this position shown in FIG. 3B, the free edge 43 of the lateral skirt 41 of the outer element 40 is at a distance from the hoop 13. portion of reduced section 34 of the inner member 20 is no longer in engagement with the dispensing orifice 48, which is then released. The free edge 38 of the annular lip 37 is sealingly applied against the inner surface of the lateral skirt 41 of the outer element 40.

    Pour actionner la valve il reste alors, comme illustré à la figure 3C, à exercer une pression latérale F sur la surface extérieure de la jupe latérale 41 de l'élément extérieur 40, et ce quelle que soit la position angulaire où s'exerce cette pression. La pression ainsi exercée sur l'élément 40 provoque le basculement de la tige de valve 12, et la sortie du produit sous pression via le canal 19 de la tige de valve 12, le canal 23 de l'élément intérieur 20, l'orifice de sortie intérieur 36, et l'orifice de distribution 48. Lorsque cesse la pression sur l'élément extérieur 40, la valve se referme automatiquement sous la force de rappel d'un ressort adéquat disposé à l'intérieur du corps de valve 8.To actuate the valve, it then remains, as illustrated in FIG. 3C, to exert a lateral pressure F on the outer surface of the lateral skirt 41 of the element outside 40, regardless of the angular position where this pressure is exerted. The pressure thus exerted on the element 40 causes the tilting of the rod of valve 12, and the output of the product under pressure via channel 19 of the valve stem 12, the channel 23 of the inner member 20, the inner outlet port 36, and the port of When the pressure on the outer element 40 stops, the valve closes automatically under the return force of a suitable spring disposed the inside of the valve body 8.

    Après utilisation, l'utilisateur revisse l'élément extérieur sur l'élément intérieur, et ce, jusqu'à ce que la tête de distribution 10 soit à nouveau dans la configuration de la figure 3A.After use, the user adjusts the outer member to the inner member, and this, until the dispensing head 10 is again in the configuration of Figure 3A.

    Dans la description détaillée qui précède, il a été fait référence à des modes de réalisation préférés de l'invention. Il est évident que des variantes peuvent y être apportées sans s'écarter de l'esprit de l'invention telle que revendiquée ci-après.In the above detailed description, reference has been made to modes of preferred embodiment of the invention. It is obvious that variants can be without departing from the spirit of the invention as claimed hereinafter.

    Claims (20)

    1. Packaging and dispensing device (1) comprising:
      (i) a pressurized container (2);
      (ii) a valve (11) with which the container is equipped, comprising a valve stem (12) a portion of which projects out of a valve body (8); and
      (iii) a dispensing head (10) for actuating the valve,
      characterized in that the dispensing head comprises:
      a) a first element (20) a first end of which is coupled to the valve stem so as to place a channel (19) passing axially through the valve stem in communication with a channel (23) made axially in the first element, which emerges via at least one internal outlet orifice (36) located at a non-zero axial distance from a free end of the valve stem (12); and
      b) a second element (40), delimiting a dispensing orifice (48) and able to go from a first position relative to the first element, preventing the valve from being actuated, and in which the dispensing orifice is closed off by the first element (20), to a second position, allowing the valve to be actuated, and in which the dispensing orifice (48) is at least partly freed and in communication with the internal outlet orifice (36).
    2. Device (1) according to Claim 1, characterized in that the valve (11) is actuated as a result of a command exerted on the second element (40) when the latter is in the second position.
    3. Device (1) according to Claim 1 or 2, characterized in that the second element (40) goes from the first to the second position as a result of a movement of the second element relative to the first, whose direction and/or sense is different from the valve (11) actuation movement.
    4. Device (1) according to Claim 3, characterized in that the second element (40) goes from the first to the second position as a result of a movement of the second element relative to the first along an axis X of the first element, the valve (11) actuation movement being transverse to the said axis X.
    5. Device (1) according to Claim 3, characterized in that the second element (40) goes from the first to the second position as a result of a movement of the second element relative to the first (20) along an axis X of the first element, in a first direction, the valve (11) actuation movement being along the axis X, in a second direction, opposite the first.
    6. Device (1) according to Claim 4 or 5, characterized in that the movement of the second element (40) relative to the first (20) is a screwing/unscrewing movement.
    7. Device (1) according to Claim 6, characterized in that the passage from the first to the second position results from a rotation, by around 360°, of the second element (40) relative to the first (20).
    8. Device (1) according to any one of Claims 1 to 7, characterized in that the internal outlet orifice(s) (36) has/have an axis which is not parallel to an axis of the dispensing orifice (48).
    9. Device according to Claim 8, characterized in that the dispensing orifice (48) is oriented along an axis X of the first element, the internal orifice(s) (36) being oriented transversely to the said axis.
    10. Device (1) according to any one of Claims 1 to 9, characterized in that the dispensing head (10) has an assembly band (13), secured to the container (2), the said first element (20) being prevented from rotating relative to the assembly band.
    11. Device (1) according to Claim 10, characterized in that the assembly band (13) is mounted fixedly on the container, in particular by snap-fitting tightly.
    12. Device (1) according to Claim 10 or 11, characterized in that the first element (20) is prevented from rotating relative to the assembly band by means of one or more catches (32) formed by the first element (respectively, the assembly band) which can engage in a corresponding number of grooves (9) formed by the assembly band (respectively, the first element).
    13. Device (1) according to any one of the preceding claims, characterized in that the second element (40) comprises an edge (43), which is in particular annular, and which, when the second element is in the first position, is substantially in contact with the assembly band (13) so as to prevent the valve from being actuated.
    14. Device (1) according to any one of the preceding claims, characterized in that means, in particular in the form of an axial stop (27, 45) are provided so as, when the dispensing head is mounted on the container, to prevent the second element from detaching from the first.
    15. Device (1) according to any one of the preceding claims, characterized in that it comprises means (37, 38) for sealing, at least when the second element is in the second position, between the first element (20) and the second (40) in order to ensure that all the product leaving the internal outlet orifice(s) (36) is conveyed to the dispensing orifice (48).
    16. Device (1) according to Claim 15, characterized in that the said sealing means consist of an annular lip (37) a free edge (38) of which presses, at least when the second element (40) is in the second position, sealingly against an annular inside surface of the second element (40).
    17. Device according to any one of the preceding claims, characterized in that it comprises means (37, 38) which, when the second element (40) is in the first position relative to the first, are held elastically between the first and second elements (20, 40).
    18. Device according to Claims 15 and 17, characterized in that the said sealing means are formed of the said elastic means.
    19. Device (1) according to Claims 16 and 18, characterized in that when the second element (40) is in the first position, the free edge (38) is pressed elastically against the inside surface of an end wall (47) of the second element delimiting the said dispensing orifice (48), the said free edge (38) pressing sealingly against the inside surface of a side wall (41) of the second element (41) when the latter is in the second position.
    20. Use of a device (1) according to any one of the preceding claims for packaging and dispensing, under pressure, a cosmetic product, in particular a care product, make-up product, body hygiene product, hair product or a product for protecting the skin against the effects of solar radiation.
    EP02291791A 2001-08-22 2002-07-16 Unit for storing and dispensing a product under pressure Expired - Lifetime EP1288142B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0111003A FR2828871B1 (en) 2001-08-22 2001-08-22 PRESSURE PACKAGING AND DISPENSING DEVICE
    FR0111003 2001-08-22

    Publications (2)

    Publication Number Publication Date
    EP1288142A1 EP1288142A1 (en) 2003-03-05
    EP1288142B1 true EP1288142B1 (en) 2005-11-02

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    EP02291791A Expired - Lifetime EP1288142B1 (en) 2001-08-22 2002-07-16 Unit for storing and dispensing a product under pressure

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    US (1) US6827239B2 (en)
    EP (1) EP1288142B1 (en)
    JP (1) JP3850355B2 (en)
    AT (1) ATE308472T1 (en)
    DE (1) DE60207024T2 (en)
    ES (1) ES2256422T3 (en)
    FR (1) FR2828871B1 (en)

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    Also Published As

    Publication number Publication date
    JP3850355B2 (en) 2006-11-29
    DE60207024D1 (en) 2005-12-08
    US6827239B2 (en) 2004-12-07
    JP2003159551A (en) 2003-06-03
    FR2828871A1 (en) 2003-02-28
    ES2256422T3 (en) 2006-07-16
    DE60207024T2 (en) 2006-07-13
    ATE308472T1 (en) 2005-11-15
    US20030071085A1 (en) 2003-04-17
    EP1288142A1 (en) 2003-03-05
    FR2828871B1 (en) 2003-12-19

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