EP1463674B1 - Fluid product dispensing valve and fluid product dispensing device comprising same - Google Patents

Fluid product dispensing valve and fluid product dispensing device comprising same Download PDF

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Publication number
EP1463674B1
EP1463674B1 EP02804607A EP02804607A EP1463674B1 EP 1463674 B1 EP1463674 B1 EP 1463674B1 EP 02804607 A EP02804607 A EP 02804607A EP 02804607 A EP02804607 A EP 02804607A EP 1463674 B1 EP1463674 B1 EP 1463674B1
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EP
European Patent Office
Prior art keywords
valve
valve body
annular ring
ring
snap
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
EP02804607A
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German (de)
French (fr)
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EP1463674A1 (en
Inventor
David Goujon
Jean-Marc PARDONGE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar France SAS
Original Assignee
Valois SAS
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Publication date
Application filed by Valois SAS filed Critical Valois SAS
Publication of EP1463674A1 publication Critical patent/EP1463674A1/en
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Publication of EP1463674B1 publication Critical patent/EP1463674B1/en
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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 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
    • B65D83/52—Valves specially adapted therefor; Regulating devices for metering
    • B65D83/54—Metering valves ; Metering valve assemblies

Definitions

  • the present invention relates to an improved valve. More particularly, the present invention relates to an improved valve having an annular ring assembled around the valve body.
  • valves are well known in the state of the art. They find their main application with aerosol containers for the distribution of fluid product together with a propellant.
  • the valve comprises a valve body which is fixed in a fastener, such as a crimpable capsule or the like, for attaching the valve to a reservoir with interposition of a neck seal for sealing with the reservoir .
  • the product contained in the tank may be incompatible with the sealants used.
  • some products of pharmacy, perfumery, cosmetics, but also insecticides, etc. may have components that react on seals that can absorb or fix these components and swell, crack or deteriorate. As a result, the container may lose its seal. There may also be exchanges of the seal towards the product which is then altered and may lose its qualities.
  • the tanks can remain a certain time in stock or store, these disadvantages can be serious, even if the reaction on the seal is not fast.
  • Document FR-2 450 758 discloses such a ring.
  • the use of this ring also provides the advantage of substantially filling the dead volume disposed below the product inlet opening in the valve body, in the position of use thereof, when This is a valve that can be used in the inverted position. This ensures the distribution of a maximum of product, by limiting the dead volume.
  • Document FR-2 738 557 discloses a similar annular ring, which fulfills substantially the same purposes as that of document FR-2 450 758.
  • the particular design of the ring of the document FR-2 738 557 provides additional advantages, by further limiting the contact between the seal and the product, by allowing a compensation of manufacturing tolerances, and also by allowing a non-distribution of the sedimentation residues which can occur with valves usable in the inverted position.
  • the annular rings described above are fitted on the body of the valve, the radial clamping being sufficient to maintain said ring in position.
  • This implementation has certain disadvantages.
  • the radial clamping of the ring on the valve body is likely, over time, to deform said valve body, so that the clamping may not be sufficient to maintain the ring in position, the latter sliding then out of position along the valve body, so that it is no longer able to achieve the purposes for which it was intended.
  • the deformation of the valve body is likely to cause a risk of jamming of the valve valve. This is particularly true in the case of metering valves, in which the valve body encloses a metering chamber and valve movable between a rest position and an actuating position.
  • This valve is biased by a spring towards its rest position, and when the user actuates the metering valve, it presses this valve which slides in the valve body to the actuating position in which a dose of product is expelled. The spring then returns the valve stem to its rest position.
  • clearance between the valve stem, particularly its inner lower portion, and the valve body is accurately studied to provide the best performance.
  • a small deformation of the valve body in particular of the portion of the valve body in which the lower part of the valve stem slides, may cause its jamming, and therefore a malfunction of the valve. .
  • the risk of deformation of the valve body is even greater if it has several large openings allowing the entry of the product from the tank inside the valve.
  • a valve body having three longitudinal slots in the side wall of the body of valve necessarily implies a relatively large flexibility of the valve body, incompatible with a radial clamping of the annular ring on the valve body.
  • GB-A-1,358,498 discloses a device according to the preamble of claim 1.
  • the present invention aims to provide a valve that does not reproduce the aforementioned drawbacks.
  • the present invention aims to provide a fluid dispenser valve that is safe and reliable in its operation, substantially eliminating the risk of jamming of the valve during actuation.
  • the present invention also aims to provide such a valve having an annular ring around the valve body, which is simple and inexpensive to manufacture and assemble.
  • Still another object of the present invention is to provide such an improved valve, wherein there is no risk that the annular ring assembled around the valve body will move out of position during its service life.
  • the present invention therefore relates to a fluid dispensing valve, comprising a valve body, a valve movable in said valve body between a rest position and a dispensing position, and an annular ring mounted around said valve body said annular ring being fixed on said valve body, said fastener being substantially radially non-clamping on said valve body, said annular ring having an axial edge proximal to the outlet orifice of said valve, said annular ring comprising one or more fastening means cooperating with the valve body and made on or near said proximal radial edge, the valve body having a first body portion, in which an inner part of the valve slides, and a second body portion, defining a metering chamber, said annular ring being attached to said valve body so that it does not cooperate with said first body part.
  • the annular ring is snapped onto the valve body.
  • the second body portion has an outer diameter greater than that of the first body portion, said first and second body portions being connected by a joining portion, said annular ring being fixed said valve body at said joining portion.
  • valve body comprises one or more body latching means cooperating with one or more ring latching means made on the annular ring.
  • said body latching means comprise at least one shoulder formed in the outer side wall of said valve body.
  • said ring latching means comprise at least one shoulder formed in the inner side wall of said annular ring.
  • said body latching means and / or said ring latching means comprise means of radial deformation.
  • said radial deformation means comprise a radial space disposed radially respectively behind said body latching means and / or behind said ring latching means.
  • the annular ring is fixed on said valve body with a radial and / or axial clearance.
  • the present invention also relates to a valve unit characterized in that it comprises a valve as described above, a fixing member for fixing said valve on a fluid reservoir, and a seal for achieving sealing with said reservoir, said seal being disposed between said fastener and said annular ring.
  • the present invention also relates to a fluid dispenser device comprising a fluid reservoir and a valve unit as described above.
  • the valve comprises a valve body 10 in which slides a valve 20 movable between a rest position, shown in the single figure, and a dispensing position, in which the valve is pressed inside the body of valve.
  • the valve has an outlet port through which the product will be dispensed.
  • An annular ring 30 is mounted around said valve body 10 and, according to the invention, the fixing of the annular ring 30 on the valve body 10 is substantially non-clamping, that is to say that the ring 30, mounted state, exerts little or no radial force on the valve body 10. The risk of deformation of said valve body by the presence of the ring 30 is removed.
  • the fixing of the ring on the valve body can be carried out with a radial clearance and / or an axial clearance, which means that the ring, when it is fixed, is in fact held on the valve body, without necessarily being blocked in position.
  • the fixing of the annular ring 30 on the valve body 10 is made by snapping. This clipping can be achieved in various ways, for example with or without play, the fastening or detent means that can be provided on the valve body 10, on the annular ring 30, or on both, as shown in the figures .
  • the valve body 10 may comprise one or more body fastening or detent means 15, preferably made in the form of a shoulder (s) formed in the outer lateral wall of said valve body.
  • the annular ring 30 may also include one or more ring fixing or detent means 35, preferably in the form of a shoulder (s) formed in the inner side wall of the ring. 30.
  • the means respective snap-fasteners 15, 35 of the valve body 10 and the annular ring 30 may have inclined ramps facilitating the latching operation.
  • the ring fixing means 35 are made on or near the lower axial edge of the ring 30, in the position shown in FIG. 1.
  • This lower axial edge corresponds to the proximal axial edge of the ring. 30 to the outlet orifice of the valve 20.
  • radial deformation means 16, 36 can be provided at said body attachment means 15 and / or at the said ring fixing means 35. More precisely, as shown in FIG. 1, these deformation means can be made in the form of a respective radial space 16, 36 disposed radially behind said shoulder 15 of the valve body 10 and / or behind said shoulder 35 of the annular ring 30.
  • the ring 30 is snapped or snapped during assembly by exerting a radial deformation force on the ratching means, which can deform radially due to the presence of two respective spaces 16 and 36, and then return elastically to their normal position.
  • the ring 30 is also snapped or snapped during assembly.
  • only the ring latching means 35 deform radially during snapping.
  • the shoulder 35 is not formed at the lower edge of the ring 30.
  • the ring 30 can be formed by a projection 35 forming a shoulder, the ring 30 possibly comprising a radial recess 37 disposed axially behind said projection 35, in particular to limit the contact surface between the ring 30 and the valve body.
  • the ring 30 is therefore attached to an axially more internal portion of the valve body.
  • the ring 30 is permanently attached to the valve body 10, and in particular it is not likely to move during the life of this valve, for example in because of a deformation of the valve body 10 as was the case in the devices of the prior art.
  • One advantage of snapping is that when mounted, the radial ring 30 may exert only a very small radial force on the valve body, or even no radial force.
  • the valve may be held on the neck of a reservoir (not shown) by means of a fastener 40, for example made in the form of a crimpable capsule or cup.
  • a fastener 40 for example made in the form of a crimpable capsule or cup.
  • other fasteners are possible to achieve this fixation.
  • the fixing of the valve on the reservoir is carried out with the interposition of a seal 50, called a neck seal.
  • the ring 30 is, in the mounted position, applied against said neck seal 50, which is trapped between the annular ring 30 and the fixing member 40. In this way, the presence of the ring 30 limits the contact between the product contained inside the reservoir and the neck seal 50.
  • it is the proximal axial edge of the ring 30 which is in contact with the seal 50.
  • the ring 30 is made of an inert material with respect to the product contained in the tank, and it makes it possible to fulfill all the aforementioned functions of the rings as defined in the above-mentioned prior art documents, namely the patents FR-2 450 758 and FR-2 738 557.
  • An advantage of the present invention is to be able to realize a valve unit formed by the valve itself, the fastener 40 and the seal 50. This valve unit can then be supplied to the manufacturer of the product which no longer than to introduce its product in a tank and assemble the valve unit on said tank by means of the fixing member 40.
  • the present invention applies to all types of valves, including those operating in the inverted position, but they have additional advantages in the context of a metering valve as shown in the figures.
  • the metering valve comprises a valve body 10 which encloses a metering chamber 13.
  • This metering chamber 13 is delimited axially by two annular seals, a valve seal 17 and a chamber seal 18. These two seals each have a central opening through which a valve 20 passes, movable within the valve body 10 between a rest position, shown in the figure, and an actuating position.
  • This valve 20 is biased towards its rest position by an elastic member 19, such as a spring, bearing on the one hand on the bottom of the valve body 10 and on the other hand on an inner part 21 of the valve 20 Since this type of metering valve is known, its operation will not be more fully described in the context of the present invention.
  • valve body 10 is fixed, in particular crimped in a fastener 40, such as a capsule, which is then fixed, for example by crimping, on the neck of any container (not shown), with interposition of the collar seal 50.
  • a fastener 40 such as a capsule
  • the valve body 10 comprises a first body portion 11, in which the inner portion 21 of the valve 20 slides, and a second body portion 12 which comprises the metering chamber 13.
  • this metering chamber 13 can be defined by a sleeve 60 inserted into the second body portion 12.
  • the second body portion 12 preferably has an outer diameter greater than that of the first body portion 11, said first and second body portions 11 , 12 being connected by a joining portion 14.
  • the annular ring 30 is attached to said valve body 10 at said joining portion 14. More specifically, as shown in Fig. 1 this joining portion 14, which may be formed by a radial or conical wall portion, comprises the latching means 15 of the body, which cooperate with the latching means 35 of the ring 30.
  • the ring 30 absolutely does not cooperate with the first body portion 11 in which the inner portion 21 of the valve 20 slides.
  • This is particularly advantageous in the case of a metering valve in which the first part of body 11 has one or more longitudinal slots extending over a large part of its side wall, to allow the entry of the product contained in the container (not shown) inside the valve.
  • the presence of one or more slots of this type induces a certain flexibility of the valve body 10, so that even a small radial force exerted on the first body portion 11 may result in deformation of the latter.
  • the clearance provided between the inner wall of the valve body 10 and the valve 20 is generally determined very precisely so that even a small deformation of the valve body may cause jamming of the valve. valve and thus a malfunction of the valve.
  • the internal diameter of the valve body is not deformed and therefore does not vary over time, which therefore avoids any risk of jamming while allowing the use of an annular ring 30 with the advantages and disadvantages. functions mentioned above.

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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)

Description

La présente invention concerne une valve améliorée. Plus particulièrement, la présente invention concerne une valve améliorée comportant une bague annulaire assemblée autour du corps de valve.The present invention relates to an improved valve. More particularly, the present invention relates to an improved valve having an annular ring assembled around the valve body.

Les valves sont bien connues dans l'état de la technique. Elles trouvent leur application principale avec des récipients aérosols pour la distribution de produit fluide ensemble avec un propulseur. La valve comporte un corps de valve qui est fixé dans un organe de fixation, tel qu'une capsule sertissable ou similaire, destiné à fixer la valve sur un réservoir avec interposition d'un joint de col destiné à réaliser l'étanchéité avec le réservoir. Dans certains cas, le produit contenu dans le réservoir peut être incompatible avec les matières de joint utilisées. Ainsi, certains produits de pharmacie, parfumerie, cosmétique, mais aussi les insecticides, etc. peuvent comporter des composants qui réagissent sur les joints qui peuvent absorber ou fixer ces composants et se gonfler, se fissurer ou se détériorer. Il en résulte que le récipient peut perdre son étanchéité. Il peut aussi y avoir des échanges du joint vers le produit qui est alors altéré et peut perdre ses qualités. De même on peut observer des cas de fixation du produit actif sur le joint. Les réservoirs pouvant rester un certain temps en stock ou en magasin, ces inconvénients peuvent être sérieux, même si la réaction sur le joint n'est pas rapide.The valves are well known in the state of the art. They find their main application with aerosol containers for the distribution of fluid product together with a propellant. The valve comprises a valve body which is fixed in a fastener, such as a crimpable capsule or the like, for attaching the valve to a reservoir with interposition of a neck seal for sealing with the reservoir . In some cases, the product contained in the tank may be incompatible with the sealants used. Thus, some products of pharmacy, perfumery, cosmetics, but also insecticides, etc. may have components that react on seals that can absorb or fix these components and swell, crack or deteriorate. As a result, the container may lose its seal. There may also be exchanges of the seal towards the product which is then altered and may lose its qualities. Similarly we can observe cases of attachment of the active product on the seal. The tanks can remain a certain time in stock or store, these disadvantages can be serious, even if the reaction on the seal is not fast.

Pour résoudre ce problème, il a été proposé d'utiliser une bague annulaire assemblée autour du corps de valve et destinée à limiter au maximum le contact entre le produit et le joint. Le document FR-2 450 758 divulgue une telle bague. L'utilisation de cette bague procure en outre l'avantage de remplir sensiblement le volume mort disposé en dessous de l'ouverture d'entrée du produit dans le corps de valve, dans la position d'utilisation de celle-ci, lorsqu'il s'agit d'une valve utilisable en position inversée. On assure ainsi la distribution d'un maximum de produit, de par la limitation de ce volume mort. Le document FR-2 738 557 divulgue une bague annulaire similaire, et qui remplit sensiblement les mêmes buts que celle du document FR-2 450 758. La conception particulière de la bague du document FR-2 738 557 procure des avantages supplémentaires, en limitant encore plus le contact entre le joint et le produit, en permettant une compensation des tolérances de fabrication, et en permettant également une non distribution des résidus de sédimentation qui peuvent se produire avec des valves utilisables en position inversée.To solve this problem, it has been proposed to use an annular ring assembled around the valve body and intended to minimize the contact between the product and the seal. Document FR-2 450 758 discloses such a ring. The use of this ring also provides the advantage of substantially filling the dead volume disposed below the product inlet opening in the valve body, in the position of use thereof, when This is a valve that can be used in the inverted position. This ensures the distribution of a maximum of product, by limiting the dead volume. Document FR-2 738 557 discloses a similar annular ring, which fulfills substantially the same purposes as that of document FR-2 450 758. The particular design of the ring of the document FR-2 738 557 provides additional advantages, by further limiting the contact between the seal and the product, by allowing a compensation of manufacturing tolerances, and also by allowing a non-distribution of the sedimentation residues which can occur with valves usable in the inverted position.

Les bagues annulaires décrites ci-dessus sont emmanchées sur le corps de la valve, le serrage radial étant suffisant pour maintenir ladite bague en position. Cette mise en oeuvre présente toutefois certains inconvénients. Ainsi, le serrage radial de la bague sur le corps de valve est susceptible, au cours du temps, de déformer ledit corps de valve, de sorte que le serrage risque de ne plus être suffisant pour maintenir la bague en position, celle-ci glissant alors hors de position le long du corps de valve, de sorte qu'elle n'est plus capable de réaliser les buts pour lesquels elle a été prévue. D'autre part, la déformation du corps de valve est susceptible d'entraîner un risque de coincement de la soupape de la valve. Ceci est particulièrement vrai dans le cas des valves doseuses, dans lesquelles le corps de valve renferme une chambre de dosage et soupape mobile entre une position de repos et une position d'actionnement. Cette soupape est sollicitée par un ressort vers sa position de repos, et lorsque l'utilisateur actionne la valve doseuse, il appuie sur cette soupape qui coulisse dans le corps de valve jusqu'à la position d'actionnement dans laquelle une dose de produit est expulsée. Le ressort ramène alors la tige de soupape dans sa position de repos. Pour obtenir une performance maximale de la valve doseuse, le jeu entre la tige de soupape, en particulier sa partie inférieure interne, et le corps de valve est étudié de manière précise pour fournir les meilleures performances. Dans ce cas, une faible déformation du corps de valve, notamment de la partie de corps de valve dans laquelle coulisse la partie inférieure de la tige de soupape, risque d'entraîner un coincement de celle-ci, et donc un dysfonctionnement de la valve. Le risque de déformation du corps de valve est d'autant plus grand si celui-ci comporte plusieurs ouvertures de grande dimension permettant l'entrée du produit depuis le réservoir à l'intérieur de la valve. En particulier, un corps de valve comportant trois fentes longitudinales dans la paroi latérale du corps de valve implique nécessairement une flexibilité relativement importante du corps de valve, incompatible avec un serrage radial de la bague annulaire sur ce corps de valve. Le document GB-A-1 358 498 divulgue un dispositif selon le préambule de la revendication 1.The annular rings described above are fitted on the body of the valve, the radial clamping being sufficient to maintain said ring in position. This implementation, however, has certain disadvantages. Thus, the radial clamping of the ring on the valve body is likely, over time, to deform said valve body, so that the clamping may not be sufficient to maintain the ring in position, the latter sliding then out of position along the valve body, so that it is no longer able to achieve the purposes for which it was intended. On the other hand, the deformation of the valve body is likely to cause a risk of jamming of the valve valve. This is particularly true in the case of metering valves, in which the valve body encloses a metering chamber and valve movable between a rest position and an actuating position. This valve is biased by a spring towards its rest position, and when the user actuates the metering valve, it presses this valve which slides in the valve body to the actuating position in which a dose of product is expelled. The spring then returns the valve stem to its rest position. To achieve maximum performance of the metering valve, clearance between the valve stem, particularly its inner lower portion, and the valve body is accurately studied to provide the best performance. In this case, a small deformation of the valve body, in particular of the portion of the valve body in which the lower part of the valve stem slides, may cause its jamming, and therefore a malfunction of the valve. . The risk of deformation of the valve body is even greater if it has several large openings allowing the entry of the product from the tank inside the valve. In particular, a valve body having three longitudinal slots in the side wall of the body of valve necessarily implies a relatively large flexibility of the valve body, incompatible with a radial clamping of the annular ring on the valve body. GB-A-1,358,498 discloses a device according to the preamble of claim 1.

La présente invention a pour but de fournir une valve qui ne reproduit pas les inconvénients susmentionnés.The present invention aims to provide a valve that does not reproduce the aforementioned drawbacks.

En particulier, la présente invention a pour but de fournir une valve de distribution de produit fluide qui soit sûre et fiable dans son fonctionnement, en éliminant sensiblement le risque de coincement de la soupape lors de l'actionnement.In particular, the present invention aims to provide a fluid dispenser valve that is safe and reliable in its operation, substantially eliminating the risk of jamming of the valve during actuation.

La présente invention a également pour but de fournir une telle valve comportant une bague annulaire autour du corps de valve, qui soit simple et peu coûteuse à fabriquer et à assembler.The present invention also aims to provide such a valve having an annular ring around the valve body, which is simple and inexpensive to manufacture and assemble.

La présente invention a encore pour but de fournir une telle valve améliorée, dans lequel il n'y a aucun risque que la bague annulaire assemblée autour du corps de valve se déplace hors de position au cours de sa durée de vie.Still another object of the present invention is to provide such an improved valve, wherein there is no risk that the annular ring assembled around the valve body will move out of position during its service life.

La présente invention a donc pour objet une valve de distribution de produit fluide, comportant un corps de valve, une soupape mobile dans ledit corps de valve entre une position de repos et une position de distribution, et une bague annulaire montée autour dudit corps de valve, ladite bague annulaire étant fixée sur ledit corps de valve, ladite fixation étant sensiblement radialement non-serrante sur ledit corps de valve, ladite bague annulaire comportant un bord axial proximal par rapport à l'orifice de sortie de ladite soupape, ladite bague annulaire comportant un ou plusieurs moyen(s) de fixation coopérant avec le corps de valve et réalisé(s) sur ou à proximité dudit bord radial proximal, le corps de valve comportant une première partie de corps, dans laquelle coulisse une partie interne de la soupape, et une seconde partie de corps, définissant une chambre de dosage, ladite bague annulaire étant fixée audit corps de valve de telle sorte qu'elle ne coopère pas avec ladite première partie de corps.The present invention therefore relates to a fluid dispensing valve, comprising a valve body, a valve movable in said valve body between a rest position and a dispensing position, and an annular ring mounted around said valve body said annular ring being fixed on said valve body, said fastener being substantially radially non-clamping on said valve body, said annular ring having an axial edge proximal to the outlet orifice of said valve, said annular ring comprising one or more fastening means cooperating with the valve body and made on or near said proximal radial edge, the valve body having a first body portion, in which an inner part of the valve slides, and a second body portion, defining a metering chamber, said annular ring being attached to said valve body so that it does not cooperate with said first body part.

Avantageusement, la bague annulaire est encliquetée sur le corps de valve.Advantageously, the annular ring is snapped onto the valve body.

Selon un mode de réalisation avantageux de la présente invention, la seconde partie de corps a un diamètre externe supérieur à celui de la première partie de corps, lesdites première et seconde parties de corps étant reliées par une partie de jonction, ladite bague annulaire étant fixée audit corps de valve au niveau de ladite partie de jonction.According to an advantageous embodiment of the present invention, the second body portion has an outer diameter greater than that of the first body portion, said first and second body portions being connected by a joining portion, said annular ring being fixed said valve body at said joining portion.

Avantageusement, le corps de valve comporte un ou plusieurs moyens d'encliquetage de corps coopérant avec un ou plusieurs moyens d'encliquetage de bague réalisés sur la bague annulaire.Advantageously, the valve body comprises one or more body latching means cooperating with one or more ring latching means made on the annular ring.

Avantageusement, lesdits moyens d'encliquetage de corps comportent au moins un épaulement réalisé dans la paroi latérale externe dudit corps de valve.Advantageously, said body latching means comprise at least one shoulder formed in the outer side wall of said valve body.

Avantageusement, lesdits moyens d'encliquetage de bague comportent au moins un épaulement réalisé dans la paroi latérale interne de ladite bague annulaire.Advantageously, said ring latching means comprise at least one shoulder formed in the inner side wall of said annular ring.

Avantageusement, lesdits moyens d'encliquetage de corps et/ou lesdits moyens d'encliquetage de bague comportent des moyens de déformation radiale.Advantageously, said body latching means and / or said ring latching means comprise means of radial deformation.

Avantageusement, lesdits moyens de déformation radiale comportent un espace radial disposé radialement respectivement derrière lesdits moyens d'encliquetage de corps et/ou derrière lesdits moyens d'encliquetage de bague.Advantageously, said radial deformation means comprise a radial space disposed radially respectively behind said body latching means and / or behind said ring latching means.

Avantageusement, la bague annulaire est fixée sur ledit corps de valve avec un jeu radial et/ou axial.Advantageously, the annular ring is fixed on said valve body with a radial and / or axial clearance.

La présente invention a également pour objet une unité de valve caractérisée en ce qu'elle comporte une valve telle que décrite ci-dessus, un organe de fixation pour fixer ladite valve sur un réservoir de produit fluide, et un joint d'étanchéité pour réaliser l'étanchéité avec ledit réservoir, ledit joint étant disposé entre ledit organe de fixation et ladite bague annulaire.The present invention also relates to a valve unit characterized in that it comprises a valve as described above, a fixing member for fixing said valve on a fluid reservoir, and a seal for achieving sealing with said reservoir, said seal being disposed between said fastener and said annular ring.

La présente invention a également pour objet un dispositif de distribution de produit fluide comportant un réservoir de produit fluide et une unité de valve tels que décrits ci-dessus.The present invention also relates to a fluid dispenser device comprising a fluid reservoir and a valve unit as described above.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement au cours de la description suivante, faite en référence aux dessins joints, donnés à titre d'exemples non limitatifs, et sur lesquels :

  • la figure 1 représente une vue schématique en section transversale d'une valve selon un mode de réalisation avantageux de la présente invention, en position de repos, et
  • la figure 2 montre une variante de réalisation non revendiquée.
Other features and advantages of the present invention will become more apparent in the following description, made in reference to the accompanying drawings, given as non-limiting examples, and in which:
  • FIG. 1 represents a schematic cross-sectional view of a valve according to an advantageous embodiment of the present invention, in the rest position, and
  • Figure 2 shows an alternative embodiment not claimed.

En référence aux figures, la valve comporte un corps de valve 10 dans lequel coulisse une soupape 20 mobile entre une position de repos, représentée sur la figure unique, et une position de distribution, dans laquelle la soupape est enfoncée à l'intérieur du corps de valve. De manière classique, la soupape comporte un orifice de sortie par lequel sera distribué le produit. Une bague annulaire 30 est montée autour dudit corps de valve 10 et, selon l'invention, la fixation de la bague annulaire 30 sur le corps de valve 10 est sensiblement non-serrante, c'est à dire que la bague 30, à l'état monté, n'exerce que peu ou pas du tout de force radiale sur le corps de valve 10. Le risque de déformation dudit corps de valve par la présence de la bague 30 est donc supprimé. La fixation de la bague sur le corps de valve peut être réalisée avec un jeu radial et/ou un jeu axial, ce qui signifie que la bague, lorsqu'elle est fixée, est en fait maintenue sur le corps de valve, sans être nécessairement bloquée en position. De préférence, la fixation de la bague annulaire 30 sur le corps de valve 10 est réalisée par encliquetage. Cet encliquetage peut être réalisé de différentes manières, par exemple avec ou sans jeu, les moyens de fixation ou d'encliquetage pouvant être prévus sur le corps de valve 10, sur la bague annulaire 30, ou sur les deux, comme représenté sur les figures. Plus précisément, le corps de valve 10 peut comporter un ou plusieurs moyens de fixation ou d'encliquetage de corps 15, de préférence réalisés sous la forme d'épaulement(s) réalisé(s) dans la paroi latérale externe dudit corps de valve 10. De manière similaire, la bague annulaire 30 peut également comporter un ou plusieurs moyens de fixation ou d'encliquetage de bague 35, de préférence réalisés sous la forme d'épaulement(s) réalisé(s) dans la paroi latérale interne de la bague 30. Avantageusement, les moyens d'encliquetage respectifs 15, 35 du corps de valve 10 et de la bague annulaire 30 peuvent comporter des rampes inclinées facilitant l'opération d'encliquetage.With reference to the figures, the valve comprises a valve body 10 in which slides a valve 20 movable between a rest position, shown in the single figure, and a dispensing position, in which the valve is pressed inside the body of valve. Typically, the valve has an outlet port through which the product will be dispensed. An annular ring 30 is mounted around said valve body 10 and, according to the invention, the fixing of the annular ring 30 on the valve body 10 is substantially non-clamping, that is to say that the ring 30, mounted state, exerts little or no radial force on the valve body 10. The risk of deformation of said valve body by the presence of the ring 30 is removed. The fixing of the ring on the valve body can be carried out with a radial clearance and / or an axial clearance, which means that the ring, when it is fixed, is in fact held on the valve body, without necessarily being blocked in position. Preferably, the fixing of the annular ring 30 on the valve body 10 is made by snapping. This clipping can be achieved in various ways, for example with or without play, the fastening or detent means that can be provided on the valve body 10, on the annular ring 30, or on both, as shown in the figures . More specifically, the valve body 10 may comprise one or more body fastening or detent means 15, preferably made in the form of a shoulder (s) formed in the outer lateral wall of said valve body. Similarly, the annular ring 30 may also include one or more ring fixing or detent means 35, preferably in the form of a shoulder (s) formed in the inner side wall of the ring. 30. Advantageously, the means respective snap-fasteners 15, 35 of the valve body 10 and the annular ring 30 may have inclined ramps facilitating the latching operation.

Comme représenté sur la figure 1, les moyens de fixation de bague 35 sont réalisés sur ou à proximité du bord axial inférieur de la bague 30, dans la position représentée sur la figure 1. Ce bord axial inférieur correspond au bord axial proximal de la bague 30 par rapport à l'orifice de sortie de la soupape 20. Pour faciliter la fixation, et notamment l'encliquetage, des moyens de déformation radiale 16, 36 peuvent être prévus au niveau desdits moyens de fixation de corps 15 et/ou au niveau desdits moyens de fixation de bague 35. Plus précisément, comme représenté sur la figure 1, ces moyens de déformation peuvent être réalisés sous la forme d'un espace radial respectif 16, 36 disposé radialement derrière ledit épaulement 15 du corps de valve 10 et/ou derrière ledit épaulement 35 de la bague annulaire 30. Dans l'exemple représenté sur la figure 1, la bague 30 est enclipsée ou encliquetée lors du montage en exerçant une force de déformation radiale sur les moyens d'encliquetage, qui peuvent se déformer radialement de par la présence des deux espaces 16 et 36 respectifs, pour ensuite revenir élastiquement vers leur position normale. Dans l'exemple représenté sur la figure 2, qui n'est pas couvert par l'invention, la bague 30 est aussi enclipsée ou encliquetée lors du montage. Dans cet exemple, seul les moyens d'encliquetage de bague 35 se déforment radialement lors de l'encliquetage. Contrairement à l'exemple de la figure 1, l'épaulement 35 n'est pas formé au niveau du bord inférieur de la bague 30. Il peut être formé par une projection 35 formant épaulement, la bague 30 pouvant comporter un évidement radial 37 disposé axialement derrière ladite projection 35, pour notamment limiter la surface de contact entre la bague 30 et le corps de valve. La bague 30 s'accroche donc sur une partie axialement plus interne du corps de valve.As shown in FIG. 1, the ring fixing means 35 are made on or near the lower axial edge of the ring 30, in the position shown in FIG. 1. This lower axial edge corresponds to the proximal axial edge of the ring. 30 to the outlet orifice of the valve 20. To facilitate attachment, and in particular snap-fastening, radial deformation means 16, 36 can be provided at said body attachment means 15 and / or at the said ring fixing means 35. More precisely, as shown in FIG. 1, these deformation means can be made in the form of a respective radial space 16, 36 disposed radially behind said shoulder 15 of the valve body 10 and / or behind said shoulder 35 of the annular ring 30. In the example shown in Figure 1, the ring 30 is snapped or snapped during assembly by exerting a radial deformation force on the ratching means, which can deform radially due to the presence of two respective spaces 16 and 36, and then return elastically to their normal position. In the example shown in Figure 2, which is not covered by the invention, the ring 30 is also snapped or snapped during assembly. In this example, only the ring latching means 35 deform radially during snapping. In contrast to the example of FIG. 1, the shoulder 35 is not formed at the lower edge of the ring 30. It can be formed by a projection 35 forming a shoulder, the ring 30 possibly comprising a radial recess 37 disposed axially behind said projection 35, in particular to limit the contact surface between the ring 30 and the valve body. The ring 30 is therefore attached to an axially more internal portion of the valve body.

Ainsi, dans la position montée représentée sur les figures, la bague 30 est fixée de manière définitive sur le corps de valve 10, et en particulier elle ne risque pas de se déplacer au cours de la durée de vie de cette valve, par exemple en raison d'une déformation du corps de valve 10 comme cela était le cas dans les dispositifs de l'art antérieur. Un avantage de l'encliquetage est qu'à l'état monté, la bague radiale 30 peut n'exercer qu'une très faible force radiale sur le corps de valve, ou même aucune force radiale.Thus, in the mounted position shown in the figures, the ring 30 is permanently attached to the valve body 10, and in particular it is not likely to move during the life of this valve, for example in because of a deformation of the valve body 10 as was the case in the devices of the prior art. One advantage of snapping is that when mounted, the radial ring 30 may exert only a very small radial force on the valve body, or even no radial force.

De manière classique, la valve peut être maintenue sur le col d'un réservoir (non représenté) au moyen d'un organe de fixation 40, par exemple réalisé sous la forme d'une capsule ou coupelle sertissable. Bien entendu, d'autres organes de fixation sont envisageables pour réaliser cette fixation. La fixation de la valve sur le réservoir est réalisée avec interposition d'un joint d'étanchéité 50, appelé joint de col. Avantageusement, la bague 30 est, en position montée, appliquée contre ledit joint de col 50, qui se retrouve coincé entre la bague annulaire 30 et l'organe de fixation 40. De cette manière, la présence de la bague 30 limite le contact entre le produit contenu à l'intérieur du réservoir et le joint de col 50. De préférence, c'est le bord axial proximal de la bague 30 qui est en contact avec le joint 50. Avantageusement, la bague 30 est réalisée en un matériau inerte vis à vis du produit contenu dans le réservoir, et elle permet de remplir toutes les fonctions précitées des bagues telles que définies dans les documents de l'art antérieur susmentionnés, à savoir les brevets FR-2 450 758 et FR-2 738 557.In a conventional manner, the valve may be held on the neck of a reservoir (not shown) by means of a fastener 40, for example made in the form of a crimpable capsule or cup. Of course, other fasteners are possible to achieve this fixation. The fixing of the valve on the reservoir is carried out with the interposition of a seal 50, called a neck seal. Advantageously, the ring 30 is, in the mounted position, applied against said neck seal 50, which is trapped between the annular ring 30 and the fixing member 40. In this way, the presence of the ring 30 limits the contact between the product contained inside the reservoir and the neck seal 50. Preferably, it is the proximal axial edge of the ring 30 which is in contact with the seal 50. Advantageously, the ring 30 is made of an inert material with respect to the product contained in the tank, and it makes it possible to fulfill all the aforementioned functions of the rings as defined in the above-mentioned prior art documents, namely the patents FR-2 450 758 and FR-2 738 557.

Un avantage de la présente invention est de pouvoir réaliser une unité de valve formée par la valve elle-même, l'organe de fixation 40 et le joint 50. Cette unité de valve peut alors être fournie au fabricant du produit qui n'a plus qu'à introduire son produit dans un réservoir et assembler l'unité de valve sur ledit réservoir au moyen de l'organe de fixation 40.An advantage of the present invention is to be able to realize a valve unit formed by the valve itself, the fastener 40 and the seal 50. This valve unit can then be supplied to the manufacturer of the product which no longer than to introduce its product in a tank and assemble the valve unit on said tank by means of the fixing member 40.

La présente invention s'applique à tous types de valves, notamment celles fonctionnant en position inversée, mais elles présentent des avantages supplémentaires dans le cadre d'une valve doseuse telle que représentée sur les figures.The present invention applies to all types of valves, including those operating in the inverted position, but they have additional advantages in the context of a metering valve as shown in the figures.

En référence à ces figures, la valve doseuse comporte un corps de valve 10 qui renferme une chambre de dosage 13. Cette chambre de dosage 13 est délimitée axialement par deux joints annulaires, un joint de soupape 17 et un joint de chambre 18. Ces deux joints comportent chacun une ouverture centrale à travers laquelle passe une soupape 20, mobile à l'intérieur du corps de valve 10 entre une position de repos, représentée sur la figure, et une position d'actionnement. Cette soupape 20 est sollicitée vers sa position de repos par un organe élastique 19, tel qu'un ressort, prenant appui d'une part sur le fond du corps de valve 10 et d'autre part sur une partie interne 21 de la soupape 20. Ce type de valve doseuse étant connu, son fonctionnement ne sera pas plus amplement décrit dans le cadre de la présente invention.Referring to these figures, the metering valve comprises a valve body 10 which encloses a metering chamber 13. This metering chamber 13 is delimited axially by two annular seals, a valve seal 17 and a chamber seal 18. These two seals each have a central opening through which a valve 20 passes, movable within the valve body 10 between a rest position, shown in the figure, and an actuating position. This valve 20 is biased towards its rest position by an elastic member 19, such as a spring, bearing on the one hand on the bottom of the valve body 10 and on the other hand on an inner part 21 of the valve 20 Since this type of metering valve is known, its operation will not be more fully described in the context of the present invention.

Le corps de valve 10 est fixée, notamment serti dans un organe de fixation 40, tel qu'une capsule, qui vient ensuite se fixer, par exemple par sertissage, sur le col d'un récipient quelconque (non représenté), avec interposition du joint de col 50.The valve body 10 is fixed, in particular crimped in a fastener 40, such as a capsule, which is then fixed, for example by crimping, on the neck of any container (not shown), with interposition of the collar seal 50.

Le corps de valve 10 comporte une première partie de corps 11, dans laquelle coulisse la partie interne 21 de la soupape 20, et une seconde partie de corps 12 qui comporte la chambre de dosage 13. Eventuellement, cette chambre de dosage 13 peut être définie par un manchon 60 inséré dans la seconde partie de corps 12. Comme représenté sur les figures, la seconde partie de corps 12 a de préférence un diamètre externe supérieur à celui de la première partie de corps 11, lesdites première et seconde parties de corps 11, 12 étant reliées par une partie de jonction 14. Dans le mode de réalisation de la figure 1, la bague annulaire 30 est fixée audit corps de valve 10 au niveau de ladite partie de jonction 14. Plus précisément, comme représenté sur la figure 1, cette partie de jonction 14, qui peut être formée par une partie de paroi radiale ou conique, comporte les moyens d'encliquetage 15 du corps, qui viennent coopérer avec les moyens d'encliquetage 35 de la bague 30. De cette manière, la bague 30 ne coopère absolument pas avec la première partie de corps 11 dans laquelle coulisse la partie interne 21 de la soupape 20. Ceci est particulièrement avantageux dans le cas d'une valve doseuse dans laquelle la première partie de corps 11 comporte une ou plusieurs fentes longitudinales s'étendant sur une grande partie de sa paroi latérale, pour permettre l'entrée du produit contenu dans le récipient (non représenté) à l'intérieur de la valve. La présence d'une ou plusieurs fentes de ce type induit une certaine flexibilité du corps de valve 10, de sorte que même une faible force radiale exercée sur la première partie de corps 11 risquerait d'entraîner une déformation de celle-ci. Or, dans les valves doseuses performantes, le jeu prévu entre la paroi interne du corps de valve 10 et la soupape 20 est généralement déterminé de manière très précise de sorte que même une faible déformation du corps de valve risque d'entraîner un coincement de la soupape et donc un dysfonctionnement de la valve. Le diamètre interne du corps de valve n'est pas déformé et ne varie donc pas au cours du temps, ce qui permet donc d'éviter tout risque de coincement tout en permettant l'utilisation d'une bague annulaire 30 avec les avantages et les fonctions susmentionnés.The valve body 10 comprises a first body portion 11, in which the inner portion 21 of the valve 20 slides, and a second body portion 12 which comprises the metering chamber 13. Optionally, this metering chamber 13 can be defined by a sleeve 60 inserted into the second body portion 12. As shown in the figures, the second body portion 12 preferably has an outer diameter greater than that of the first body portion 11, said first and second body portions 11 , 12 being connected by a joining portion 14. In the embodiment of Fig. 1, the annular ring 30 is attached to said valve body 10 at said joining portion 14. More specifically, as shown in Fig. 1 this joining portion 14, which may be formed by a radial or conical wall portion, comprises the latching means 15 of the body, which cooperate with the latching means 35 of the ring 30. In this way, the ring 30 absolutely does not cooperate with the first body portion 11 in which the inner portion 21 of the valve 20 slides. This is particularly advantageous in the case of a metering valve in which the first part of body 11 has one or more longitudinal slots extending over a large part of its side wall, to allow the entry of the product contained in the container (not shown) inside the valve. The presence of one or more slots of this type induces a certain flexibility of the valve body 10, so that even a small radial force exerted on the first body portion 11 may result in deformation of the latter. However, in the high-performance metering valves, the clearance provided between the inner wall of the valve body 10 and the valve 20 is generally determined very precisely so that even a small deformation of the valve body may cause jamming of the valve. valve and thus a malfunction of the valve. The internal diameter of the valve body is not deformed and therefore does not vary over time, which therefore avoids any risk of jamming while allowing the use of an annular ring 30 with the advantages and disadvantages. functions mentioned above.

Dans l'exemple de la figure 2, qui n'est pas couvert par l'invention, le ou les épaulement(s) 15 du corps de valve 10 est réalisé dans la première partie du corps 11. Dans ce cas, il est préférable que la force radiale exercée sur le corps de valve par la bague 30 à l'état monté soit minimale, voire nulle, pour éviter tout risque de déformation dudit corps de valve.In the example of Figure 2, which is not covered by the invention, or the shoulder (s) 15 of the valve body 10 is formed in the first part of the body 11. In this case, it is preferable that the radial force exerted on the valve body by the ring 30 in the mounted state is minimal or zero, to avoid any risk of deformation of said valve body.

La présente invention a été décrite en référence à un mode de réalisation avantageux de celle-ci, mais il est clair qu'elle n'est pas limitée à ce mode de réalisation. Au contraire, un homme du métier peut y apporter toutes modifications sans sortir du cadre de la présente invention telle que défini dans les revendications annexées.The present invention has been described with reference to an advantageous embodiment thereof, but it is clear that it is not limited to this embodiment. On the contrary, a person skilled in the art can make any modifications without departing from the scope of the present invention as defined in the appended claims.

Claims (11)

  1. Fluid product dispensing valve, comprising a valve body (10), a valve stem (20) moving in said valve body (10) between a rest position and a dispensing position, and an annular ring (30) mounted around said valve body (10), said annular ring (30) being attached to said valve body (10), said attachment being substantially radially non-clamping onto said valve body (10), said annular ring (30) comprising an axial edge that is proximal with respect to outlet orifice of said valve stem (20), said annular ring (30) comprising one or more attachment means (35) co-operating with the valve body (10) and provided on or close to said proximal axial edge, characterized in that the valve body (10) comprises a first body part (11), in which an internal part (21) of the valve stem (20) slides, and a second body part (12), defining a dosing chamber (13), said annular ring (30) being fixed to said valve body (10) such that the one or more attachment means (35) are provided on or close to said proximal axial edge and do not cooperate with said first body part (11).
  2. Valve according to claim 1, in which the annular ring (30) is snap-fitted onto the valve body (10).
  3. Valve according to any of claims 1 or 2, in which the second body part (12) has an external diameter greater than that of the first body part (11), said first and second body parts (11, 12) being joined by a junction part (14), said annular ring (30) being attached to the valve body (10) at said junction part (14).
  4. Valve according to any of the preceding claims, in which the valve body (10) comprises one or more body snap-fit means (15) co-operating with one or more ring snap-fit means (35) provided on the annular ring (30).
  5. Valve according to claim 4, in which said body snap-fit means (15) comprise at least one shoulder (15) provided in the external lateral wall of said valve body (10).
  6. Valve according to any of claims 4 to 5, in which said ring snap-fit means (35) comprise at least one shoulder (35) provided in the internal lateral wall of said annular ring (30).
  7. Valve according to any of claims 4 to 6, in which said body snap-fit means (15) and/or said ring snap-fit means (35) comprise radial deformation means (16, 36).
  8. Valve according to claim 7, in which said radial deformation means (16, 36) comprise a radial space (16, 36) respectively positioned radially behind said body (15) and/or ring (35) snap-fit means.
  9. Valve according to any of the previous claims, in which said annular ring (30) is attached to said valve body (10) with a radial and/or axial clearance.
  10. Valve unit, characterised in that it comprises a valve according to any of the preceding claims, an attachment element (40) to attach said valve to a container of fluid product and a seal (50) to make the seal with said container, said seal (50) being positioned between said attachment element (40) and said annular ring (30).
  11. Fluid product dispensing device, characterised in that it comprises a fluid product container and a valve unit according to claim 10.
EP02804607A 2001-12-13 2002-12-11 Fluid product dispensing valve and fluid product dispensing device comprising same Expired - Lifetime EP1463674B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0116151 2001-12-13
FR0116151A FR2833584B1 (en) 2001-12-13 2001-12-13 FLUID PRODUCT DISTRIBUTION VALVE AND FLUID PRODUCT DISPENSING DEVICE HAVING SUCH A VALVE
PCT/FR2002/004291 WO2003050013A1 (en) 2001-12-13 2002-12-11 Fluid product dispensing valve and fluid product dispensing device comprising same

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EP1463674A1 EP1463674A1 (en) 2004-10-06
EP1463674B1 true EP1463674B1 (en) 2006-03-08

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US (1) US7278556B2 (en)
EP (1) EP1463674B1 (en)
JP (1) JP4247121B2 (en)
CN (1) CN100445182C (en)
AU (1) AU2002364641A1 (en)
DE (1) DE60209816T2 (en)
FR (1) FR2833584B1 (en)
WO (1) WO2003050013A1 (en)

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WO2003050013A1 (en) 2003-06-19
JP2005511432A (en) 2005-04-28
US7278556B2 (en) 2007-10-09
AU2002364641A1 (en) 2003-06-23
DE60209816T2 (en) 2006-11-16
FR2833584A1 (en) 2003-06-20
FR2833584B1 (en) 2004-04-23
JP4247121B2 (en) 2009-04-02
CN1615254A (en) 2005-05-11
DE60209816D1 (en) 2006-05-04
US20050173466A1 (en) 2005-08-11
EP1463674A1 (en) 2004-10-06
CN100445182C (en) 2008-12-24

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