EP1919799B1 - Fluid product dispensing valve - Google Patents

Fluid product dispensing valve Download PDF

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Publication number
EP1919799B1
EP1919799B1 EP06794438A EP06794438A EP1919799B1 EP 1919799 B1 EP1919799 B1 EP 1919799B1 EP 06794438 A EP06794438 A EP 06794438A EP 06794438 A EP06794438 A EP 06794438A EP 1919799 B1 EP1919799 B1 EP 1919799B1
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EP
European Patent Office
Prior art keywords
valve
neck
gasket
valve according
body portion
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EP06794438A
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German (de)
French (fr)
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EP1919799A2 (en
Inventor
Christophe Jacuk
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Aptar France SAS
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Valois SAS
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Publication of EP1919799A2 publication Critical patent/EP1919799A2/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
    • B65D83/38—Details of the container body
    • 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 a fluid dispenser valve, and a fluid dispenser device comprising such a valve.
  • Fluid dispensing valves especially dosing valves for dispensing pharmaceutical products in the form of aerosol sprays are well known. They generally comprise a cylindrical valve body defining a metering chamber between two seals, a high seal and a low seal, a valve sliding in a sealed manner in said metering chamber between a rest position and a dispensing position.
  • the valve body is fixed, in particular snapped or crimped into a capsule, said capsule being adapted to then be crimped onto the neck of a container containing the product to be dispensed.
  • a neck seal is interposed between the neck of the container and the capsule to seal at this level.
  • This type of valve (see GB 2,206,100 ) works satisfactorily, but has a number of disadvantages.
  • the number of component parts is important, which increases the complexity of manufacture and assembly and therefore the cost of the valve.
  • the valve is generally delivered to the manufacturer of the fluid product being fixed in the capsule, but without being mounted on the neck of the container, so that assembly, in particular by crimping, must then be carried out at the manufacturer of the fluid product. This operation is delicate and can generate waste.
  • the present invention aims to provide a simplified valve that does not reproduce the aforementioned drawbacks.
  • the present invention aims to provide a fluid dispenser valve with fewer component parts.
  • the present invention also aims to provide such a valve which eliminates any assembly operation at the manufacturer of the fluid product other than filling the container.
  • the present invention also aims to provide a fluid dispenser valve that is simple and inexpensive to manufacture and assemble.
  • the present invention therefore relates to a fluid dispenser valve intended to be mounted on a neck of a container containing fluid, said valve comprising a valve body comprising a metering chamber and a movable valve in said chamber. dosing between a resting position and a dispensing position, said dosing chamber having a high seal and a low seal cooperating sealingly with said valve, said valve having a neck seal cooperating sealingly with said valve body and said container neck, said neck seal being made in one piece with one of said top and bottom seals of the metering chamber.
  • the present invention also relates to a fluid dispenser device comprising a container containing fluid and a valve as described above.
  • the present invention relates in particular to a metering valve type valve for dispensing aerosol form of a medicinal fluid product, by means of a propellant gas.
  • a metering valve type valve for dispensing aerosol form of a medicinal fluid product, by means of a propellant gas.
  • the present invention can also be applied to valves of another type or used in different fields, such as perfumery or cosmetics.
  • the valve comprises a valve body 10 comprising a metering chamber 15.
  • the metering chamber 15 is advantageously formed by a hollow axial sleeve 16 which defines the metering chamber 15 inside.
  • a valve 20 is slidably mounted in the metering chamber 15 between a rest position and a dispensing position.
  • the metering chamber 15 has a top seal 30 and a bottom seal 40 (the terms “up” and “down” refer to the position of the valve shown in the figures) and the valve 20 slides tightly against these two joints. 30, 40.
  • the operation of the valve namely the filling of the metering chamber with the product coming from the container and its emptying during the dose distribution are conventional and will not be more fully described below. It should be noted that the present invention can be applied to any type of valve operating in any known manner.
  • the valve body 10 is assembled on a container 1, in particular on the neck 2 of this container 1, by means of a fixing member 100, which is advantageously a crimping cap as shown in the figures.
  • a fixing member 100 which is advantageously a crimping cap as shown in the figures.
  • the fixing member could be of a different type, for example screwed, snap-fastenable or similar.
  • a neck seal 50 is interposed between the valve body 10 and the fixing member 100, which will be hereinafter called the attachment cap for the sake of simplicity of description, said neck seal 50 being intended to seal between the valve body 10, the neck of the container 1 and the fixing cap 100.
  • the neck seal 50 is made integrally with either the top seal 30 of the metering chamber or with the bottom seal 40 of the metering chamber.
  • the Figures 1 to 4 represent two embodiments in which the neck seal 50 is made integrally with the top seal 30.
  • figure 5 as for it represents an embodiment in which the neck seal 50 is made integrally with the bottom seal 40.
  • the present invention therefore allows to remove a constituent part, which simplifies the assembly and reduces costs.
  • the neck seal 50 is made in one piece with the top seal 30. It thus rests on both the axial sleeve 16 defining the metering chamber 15, and on an upper surface of the valve body 10 to achieve its sealing functions. By its inner peripheral edge, it cooperates with the valve 20 at rest and during its displacement.
  • the valve body 10 has a cylindrical body portion 11, an upper edge portion 13 and a frustoconical body portion 12 connecting said cylindrical body portion 11 to said upper edge portion 13
  • the diameter of the upper edge portion 13 is greater than the diameter of the cylindrical body portion 11.
  • the upper outer axial surface of the upper edge 13 may be provided with a sealing profile 113, comprising for example at least one axial projection (in this case two in the figures), to improve the seal at this level.
  • the hollow axial sleeve 16 may also comprise on its upper outer axial surface a sealing profile 116, for example an axial projection cooperating with the top seal 30.
  • the bottom seal 40 of the metering chamber 15 can be arranged near the junction between the cylindrical body portion 11 and the frustoconical body portion 12.
  • an inward radial shoulder 14 is provided near this junction, the upper axial surface of said shoulder 14 may also include a sealing profile 114, such as at least one axial projection, adapted to cooperate with the bottom seal 40 to improve the seal.
  • the frustoconical body portion 12 comprises at least one radial projection 120 inwards.
  • said frustoconical body portion 12 advantageously comprises a plurality of radial projections 120 whose internal axial edges advantageously define an inscribed fictitious cylinder, whose diameter is slightly greater than the external diameter of the hollow axial sleeve 16 which defines the chamber 15. This appears more clearly on the figure 2 .
  • the presence of these radial projections 120 facilitates in particular the assembly of the valve, and in particular of the hollow sleeve 16 which defines the metering chamber, in particular by providing a guide for the latter.
  • the cylindrical body portion 11 of the valve body 10 comprises at least one intake opening connected to the container 1 for allow the passage of the fluid contained in the container to the metering chamber 15.
  • the lower part (in the position shown in the drawings) of the valve body forms a bearing surface for a return spring 8 cooperating with the valve 20 and urging the latter to its rest position.
  • the container 1 advantageously comprises a neck 2 provided with a radial flange portion 3 intended to receive the upper edge portion 13 of the valve body 10, in particular the lower axial surface of the this and a frustoconical neck portion 5 whose shape corresponds substantially to the frustoconical body portion 12 of the valve body 10.
  • the angle of the frustoconical neck portion 5, starting from the flange radial 3 is slightly less than the angle of the frustoconical body portion 12 starting from the upper edge portion 13. This is particularly visible on the figure 5 but also on figures 1 and 3 .
  • This implementation facilitates the assembly of the valve body 10 in the neck 2 of the container substantially avoiding the contacts between the frustoconical portions of the valve body 10 and the neck 2, especially during the assembly of the capsule and therefore of the compression of the neck seal 50. This avoids problems of hyperstatism that could disrupt the compression of the seal.
  • the frustoconical shapes of the container neck 2 and the valve body 10 can significantly limit the dead volume of the device when the valve is assembled on the container.
  • the filling opening provided in the cylindrical body portion 11 extends substantially to the beginning of the frustoconical body and collar portions 12 and 5, so that when the valve is placed in the inverted position (which is its position and generally its position of use), almost all of the product contained in the container 1 can enter the valve body (and therefore in the metering chamber 15) and only a tiny part of the product will not be able to to be distributed because of the very low dead volume of the valve according to the invention.
  • the present invention therefore makes it possible to eliminate the generally provided filler ring around the valve body and in particular intended to limit the dead volume. Again, assembly is simplified and cost is reduced.
  • the neck 2 of the container 1, and in particular the frustoconical portion 5 of this neck in the examples shown, may comprise a radially outward shoulder 4 intended to cooperate with the machine.
  • assembly of the fixing cap 100 on the neck 2 and therefore serves as a reference during this assembly, in particular by crimping, of the attachment cap 100 on the neck 2 of the container 1.
  • This allows the compression of the seal of the seal to be predetermined.
  • neck 50 when assembling the attachment cap on the neck.
  • This prediction of the compression of the neck makes it possible to reduce the variability of compression during assembly and improves the precision of this assembly.
  • this radially outward shoulder could be made in a different form, or be provided at a different place, while fulfilling the same function, namely to serve as a reference during assembly of the fixing cap on the collar.
  • FIG. 3 and 4 there is shown another embodiment of the seal according to one aspect of the invention.
  • This embodiment differs from the embodiment of the Figures 1 and 2 in that the seal which forms both a neck seal 50 and a top seal 30 of the metering chamber 15 has at least one opening 55, in this case four openings in the example shown.
  • This opening 55 is intended for the passage of at least a portion of the valve body 10, in particular for the passage, after assembly, of the upper axial edge 121 of the radial projections 120 of the frusto-conical body portion 12.
  • these radial projections 120 thus extend axially higher than in the embodiment of the Figures 1 and 2 and mechanically cooperate with the attachment cap 100 after assembly to form a stop.
  • the capsule 100 may optionally have a stepped shape to effect different compression of the neck seal portion 50 relative to the top seal portion of the dosing chamber. It is understood that the number, the shape and the distribution of the openings 55 in the seal on the one hand, and radial projections 120 of the valve body on the other hand, can be modified at will. Likewise, only some of the radial projections 120 could have upper edges 121 abutting against the capsule 100, if desired.
  • this one-piece neck seal 50 with said bottom seal 40 may be overmolded on a rigid element 200 which cooperates with the body of valve 10.
  • this rigid element 200 may have a partially frustoconical shape corresponding substantially to that of the frustoconical body portion 12, while preferably avoiding substantially contacts between these frustoconical portions, to avoid problems of hyperstatism.
  • This rigid element 200 is preferably formed of a one-piece piece with the hollow axial sleeve 16 defining the metering chamber 15. The number of parts and the costs are therefore further reduced.
  • the rigid element 200 may comprise a radial flange portion 201 cooperating on the one hand with the upper axial surface of the upper edge 13 of the valve body and on the other hand with the attachment cap 100, to predefine the compression of the gasket. collar 50 when assembling the capsule 100.
  • the frusto-conical body portion 12 of the valve body 10 may also comprise radial projections 120 (not shown in FIG. figure 5 ).
  • the present invention has been described with reference to several distinct embodiments, it is understood that the various features shown in the different figures could be combined in any way with each other. Likewise, certain aspects described above could be implemented independently.
  • the means for predetermining the compression of the neck seal during the assembly, in particular by crimping, of the fastener 100 on the container neck could be made in a valve in which the neck seal would not necessarily be made in one piece with one of the two seals of the metering chamber.
  • the frustoconical shape of the neck and the valve body can be implemented independently of the one-piece seal and / or compression predetermination means.

Landscapes

  • 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)
  • Closures For Containers (AREA)
  • Nozzles (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Description

La présente invention a pour objet une valve de distribution de produit fluide, ainsi qu'un dispositif de distribution de produit fluide comportant une telle valve.The present invention relates to a fluid dispenser valve, and a fluid dispenser device comprising such a valve.

Les valves de distribution de produit fluide, notamment les valves doseuses pour distribuer des produits pharmaceutiques sous forme de sprays aérosols sont bien connues. Elles comportent généralement un corps de valve cylindrique définissant une chambre de dosage entre deux joints, un joint haut et un joint bas, une soupape coulissant de manière étanche dans ladite chambre de dosage entre une position de repos et une position de distribution. Le corps de valve est fixé, notamment encliqueté ou serti dans une capsule, ladite capsule étant adapté à ensuite être sertie sur le col d'un récipient contenant le produit à distribuer. Un joint de col est interposé entre le col du récipient et la capsule pour assurer l'étanchéité à ce niveau. Ce type de valve (voir GB 2 206 100 ) fonctionne de manière satisfaisante, mais présente un certain nombre d'inconvénients. Ainsi, le nombre de pièces constitutives est important, ce qui augmente la complexité de fabrication et d'assemblage et donc le coût de la valve. Par ailleurs, lorsque le fabricant de la valve est différent du fabricant du produit fluide à distribuer, la valve est généralement livrée au fabricant du produit fluide en étant fixée dans la capsule, mais sans être montée sur le col du récipient, de sorte que ce montage, en particulier par sertissage, doit ensuite être réalisé chez le fabricant du produit fluide. Cette opération est délicate et peut être génératrice de rebuts.Fluid dispensing valves, especially dosing valves for dispensing pharmaceutical products in the form of aerosol sprays are well known. They generally comprise a cylindrical valve body defining a metering chamber between two seals, a high seal and a low seal, a valve sliding in a sealed manner in said metering chamber between a rest position and a dispensing position. The valve body is fixed, in particular snapped or crimped into a capsule, said capsule being adapted to then be crimped onto the neck of a container containing the product to be dispensed. A neck seal is interposed between the neck of the container and the capsule to seal at this level. This type of valve (see GB 2,206,100 ) works satisfactorily, but has a number of disadvantages. Thus, the number of component parts is important, which increases the complexity of manufacture and assembly and therefore the cost of the valve. Moreover, when the manufacturer of the valve is different from the manufacturer of the fluid product to be dispensed, the valve is generally delivered to the manufacturer of the fluid product being fixed in the capsule, but without being mounted on the neck of the container, so that assembly, in particular by crimping, must then be carried out at the manufacturer of the fluid product. This operation is delicate and can generate waste.

La présente invention a pour but de fournir une valve simplifiée qui ne reproduit pas les inconvénients susmentionnés.The present invention aims to provide a simplified 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, comportant moins de pièces constitutives.In particular, the present invention aims to provide a fluid dispenser valve with fewer component parts.

La présente invention a également pour but de fournir une telle valve qui supprime toute opération d'assemblage chez le fabricant du produit fluide autre que le remplissage du récipient.The present invention also aims to provide such a valve which eliminates any assembly operation at the manufacturer of the fluid product other than filling the container.

La présente invention a également pour but de fournir une valve de distribution de produit fluide qui soit simple et peu coûteuse à fabriquer et à assembler.The present invention also aims to provide a fluid dispenser valve that is simple and inexpensive to manufacture and assemble.

La présente invention a donc pour objet une valve de distribution de produit fluide destinée à être montée sur un col d'un récipient contenant du produit fluide, ladite valve comportant un corps de valve comprenant une chambre de dosage et une soupape mobile dans ladite chambre de dosage entre une position de repos et une position de distribution, ladite chambre de dosage comportant un joint haut et un joint bas coopérant de manière étanche avec ladite soupape, ladite valve comportant un joint de col coopérant de manière étanche avec ledit corps de valve et ledit col de récipient, ledit joint de col étant réalisé d'une pièce monobloc avec l'un desdits joints haut et bas de la chambre de dosage.The present invention therefore relates to a fluid dispenser valve intended to be mounted on a neck of a container containing fluid, said valve comprising a valve body comprising a metering chamber and a movable valve in said chamber. dosing between a resting position and a dispensing position, said dosing chamber having a high seal and a low seal cooperating sealingly with said valve, said valve having a neck seal cooperating sealingly with said valve body and said container neck, said neck seal being made in one piece with one of said top and bottom seals of the metering chamber.

Des caractéristiques avantageuses de l'invention sont décrites dans les revendications dépendantes.Advantageous features of the invention are described in the dependent claims.

La présente invention a également pour objet un dispositif de distribution de produit fluide comportant un récipient contenant du produit fluide ainsi qu'une valve telle que décrite ci-dessus.The present invention also relates to a fluid dispenser device comprising a container containing fluid and a valve as described above.

Des caractéristiques avantageuses du dispositif sont décrites dans les revendications dépendantes.Advantageous features of the device are described in the dependent claims.

Ces caractéristiques et avantages et d'autres de la présente invention apparaîtront plus clairement au cours de la description détaillée suivante de plusieurs modes et variantes de réalisation de celle-ci, faite en référence aux dessins joints, donnés à titre d'exemples non limitatifs, et sur lesquels

  • La figure 1 est une vue schématique partiellement en section représentant une valve selon un premier mode de réalisation de la présente invention;
  • La figure 2 est une vue de détail du corps de valve représenté sur la figure 1;
  • La figure 3 est une vue similaire à celle de la figure 1, montrant un autre mode de réalisation de l'invention ;
  • La figure 4 est une vue schématique en perspective du joint monobloc formant joint de col et joint haut de la chambre de dosage, selon le mode de réalisation de la figure 3 ; et
  • La figure 5 est une vue similaire à celle des figures 1 et 3, représentant encore un autre mode de réalisation de l'invention.
These and other features and advantages of the present invention will appear more clearly in the following detailed description of several embodiments and variants thereof, with reference to the accompanying drawings, given by way of non-limiting examples, and on which
  • The figure 1 is a partially sectional schematic view showing a valve according to a first embodiment of the present invention;
  • The figure 2 is a detail view of the valve body shown on the figure 1 ;
  • The figure 3 is a view similar to that of the figure 1 showing another embodiment of the invention;
  • The figure 4 is a schematic perspective view of the one-piece seal forming a neck seal and top seal of the metering chamber, according to the embodiment of the figure 3 ; and
  • The figure 5 is a view similar to that of figures 1 and 3 , representing yet another embodiment of the invention.

En se référant aux figures, la présente invention concerne en particulier une valve de type valve doseuse pour la distribution sous forme aérosol d'un produit fluide médicamenteux, au moyen d'un gaz propulseur. Bien entendu, la présente invention peut également s'appliquer à des valves d'un autre type ou utilisées dans des domaines différents, tel que la parfumerie ou la cosmétique.Referring to the figures, the present invention relates in particular to a metering valve type valve for dispensing aerosol form of a medicinal fluid product, by means of a propellant gas. Of course, the present invention can also be applied to valves of another type or used in different fields, such as perfumery or cosmetics.

La valve comporte un corps de valve 10 comprenant une chambre de dosage 15. La chambre de dosage 15 est avantageusement formée par un manchon axial creux 16 qui définit la chambre de dosage 15 à l'intérieur. Une soupape 20 est montée coulissante dans la chambre de dosage 15 entre une position de repos et une position de distribution. La chambre de dosage 15 comporte un joint haut 30 et un joint bas 40 (les expressions « haut » et « bas » font référence à la position de la valve représentée sur les figures) et la soupape 20 coulisse de manière étanche contre ces deux joints haut et bas 30, 40. Le fonctionnement de la valve, à savoir le remplissage de la chambre de dosage 15 avec le produit venant du récipient et son vidage lors de la distribution de la dose sont classiques et ne seront pas plus amplement décrits ci-après. Il est à noter que la présente invention peut s'appliquer à tout type de valve fonctionnant d'une quelconque manière connue.The valve comprises a valve body 10 comprising a metering chamber 15. The metering chamber 15 is advantageously formed by a hollow axial sleeve 16 which defines the metering chamber 15 inside. A valve 20 is slidably mounted in the metering chamber 15 between a rest position and a dispensing position. The metering chamber 15 has a top seal 30 and a bottom seal 40 (the terms "up" and "down" refer to the position of the valve shown in the figures) and the valve 20 slides tightly against these two joints. 30, 40. The operation of the valve, namely the filling of the metering chamber with the product coming from the container and its emptying during the dose distribution are conventional and will not be more fully described below. It should be noted that the present invention can be applied to any type of valve operating in any known manner.

Le corps de valve 10 est assemblé sur un récipient 1, en particulier sur le col 2 de ce récipient 1, au moyen d'un organe de fixation 100, qui est avantageusement une capsule à sertir comme représentée sur les figures. Il est à noter ici que l'organe de fixation pourrait être d'un type différent, par exemple vissable, encliquetable ou similaire. Un joint de col 50 est interposé entre le corps de valve 10 et l'organe de fixation 100, qui sera ci-après appelé capsule de fixation pour des raisons de simplicité de description, ledit joint de col 50 étant destiné à assurer l'étanchéité entre le corps de valve 10, le col du récipient 1 et la capsule de fixation 100.The valve body 10 is assembled on a container 1, in particular on the neck 2 of this container 1, by means of a fixing member 100, which is advantageously a crimping cap as shown in the figures. It should be noted here that the fixing member could be of a different type, for example screwed, snap-fastenable or similar. A neck seal 50 is interposed between the valve body 10 and the fixing member 100, which will be hereinafter called the attachment cap for the sake of simplicity of description, said neck seal 50 being intended to seal between the valve body 10, the neck of the container 1 and the fixing cap 100.

Selon un aspect de l'invention, le joint de col 50 est réalisé de manière monobloc soit avec le joint haut 30 de la chambre de dosage, soit avec le joint bas 40 de la chambre de dosage. Les figures 1 à 4 représentent deux modes de réalisation dans lesquels le joint de col 50 est réalisé de manière monobloc avec le joint haut 30. La figure 5 quant à elle représente un mode de réalisation dans lequel le joint de col 50 est réalisé de manière monobloc avec le joint bas 40. La présente invention permet donc de supprimer une pièce constitutive, ce qui simplifie l'assemblage et diminue les coûts.According to one aspect of the invention, the neck seal 50 is made integrally with either the top seal 30 of the metering chamber or with the bottom seal 40 of the metering chamber. The Figures 1 to 4 represent two embodiments in which the neck seal 50 is made integrally with the top seal 30. figure 5 as for it represents an embodiment in which the neck seal 50 is made integrally with the bottom seal 40. The present invention therefore allows to remove a constituent part, which simplifies the assembly and reduces costs.

En se référant tout d'abord aux figures 1 et 2, le joint de col 50 est réalisé d'une seule pièce monobloc avec le joint haut 30. Il repose donc à la fois sur le manchon axial 16 définissant la chambre de dosage 15, et sur une surface supérieure du corps de valve 10 pour réaliser ses fonctions d'étanchéité. Par son bord périphérique interne, il coopère avec la soupape 20 au repos et lors de son déplacement. Selon un autre aspect avantageux de la présente invention, le corps de valve 10 comporte une partie de corps cylindrique 11, une partie de bord supérieur 13 et une partie de corps tronconique 12 reliant ladite partie de corps cylindrique 11 à ladite partie de bord supérieur 13. Avantageusement, comme cela est représenté sur les figures, le diamètre de la partie de bord supérieur 13 est supérieur au diamètre de la partie de corps cylindrique 11. De manière également avantageuse, la surface axiale supérieure externe du bord supérieur 13 peut être pourvue d'un profil d'étanchéité 113, comportant par exemple au moins une projection axiale (en l'occurrence deux sur les figures), pour améliorer l'étanchéité à ce niveau. De manière correspondante, le manchon axial creux 16 peut également comporter sur sa surface axiale supérieure externe un profil d'étanchéité 116, par exemple une projection axiale, coopérant avec le joint haut 30.Referring first to Figures 1 and 2 , the neck seal 50 is made in one piece with the top seal 30. It thus rests on both the axial sleeve 16 defining the metering chamber 15, and on an upper surface of the valve body 10 to achieve its sealing functions. By its inner peripheral edge, it cooperates with the valve 20 at rest and during its displacement. According to another advantageous aspect of the present invention, the valve body 10 has a cylindrical body portion 11, an upper edge portion 13 and a frustoconical body portion 12 connecting said cylindrical body portion 11 to said upper edge portion 13 Advantageously, as shown on the the diameter of the upper edge portion 13 is greater than the diameter of the cylindrical body portion 11. Also advantageously, the upper outer axial surface of the upper edge 13 may be provided with a sealing profile 113, comprising for example at least one axial projection (in this case two in the figures), to improve the seal at this level. Correspondingly, the hollow axial sleeve 16 may also comprise on its upper outer axial surface a sealing profile 116, for example an axial projection cooperating with the top seal 30.

Comme visible sur les figures, le joint bas 40 de la chambre de dosage 15 peut être disposé à proximité de la jonction entre la partie de corps cylindrique 11 et la partie de corps tronconique 12. Avantageusement, un épaulement radial vers l'intérieur 14 est prévu à proximité de cette jonction, la surface axiale supérieure dudit épaulement 14 pouvant également comporter un profil d'étanchéité 114, tel qu'au moins une projection axiale, adaptée à coopérer avec le joint bas 40 pour améliorer l'étanchéité.As can be seen in the figures, the bottom seal 40 of the metering chamber 15 can be arranged near the junction between the cylindrical body portion 11 and the frustoconical body portion 12. Advantageously, an inward radial shoulder 14 is provided near this junction, the upper axial surface of said shoulder 14 may also include a sealing profile 114, such as at least one axial projection, adapted to cooperate with the bottom seal 40 to improve the seal.

Selon encore un autre aspect avantageux de l'invention, la partie de corps tronconique 12 comporte au moins une projection radiale 120 vers l'intérieur. Comme visible sur les figures, ladite partie de corps tronconique 12 comporte avantageusement une pluralité de projections radiales 120 dont les bords axiaux internes définissent avantageusement un cylindre fictif inscrit, dont le diamètre est légèrement supérieur au diamètre externe du manchon axial creux 16 qui définit la chambre de dosage 15. Ceci apparaît plus clairement sur la figure 2. La présence de ces projections radiales 120 facilite notamment l'assemblage de la valve, et en particulier du manchon creux 16 qui définit la chambre de dosage, en fournissant notamment un guidage pour celui-ci.According to yet another advantageous aspect of the invention, the frustoconical body portion 12 comprises at least one radial projection 120 inwards. As seen in the figures, said frustoconical body portion 12 advantageously comprises a plurality of radial projections 120 whose internal axial edges advantageously define an inscribed fictitious cylinder, whose diameter is slightly greater than the external diameter of the hollow axial sleeve 16 which defines the chamber 15. This appears more clearly on the figure 2 . The presence of these radial projections 120 facilitates in particular the assembly of the valve, and in particular of the hollow sleeve 16 which defines the metering chamber, in particular by providing a guide for the latter.

Avantageusement, la partie de corps cylindrique 11 du corps de valve 10 comporte au moins une ouverture d'admission reliée au récipient 1 pour permettre le passage du produit fluide contenu dans le récipient vers la chambre de dosage 15. Avantageusement, la partie inférieure (dans la position représentée sur les dessins) du corps de valve forme une surface d'appui pour un ressort de rappel 8 coopérant avec la soupape 20 et sollicitant cette dernière vers sa position de repos.Advantageously, the cylindrical body portion 11 of the valve body 10 comprises at least one intake opening connected to the container 1 for allow the passage of the fluid contained in the container to the metering chamber 15. Advantageously, the lower part (in the position shown in the drawings) of the valve body forms a bearing surface for a return spring 8 cooperating with the valve 20 and urging the latter to its rest position.

Selon encore un autre aspect avantageux de l'invention, le récipient 1 comporte avantageusement un col 2 pourvu d'une partie de bride radiale 3 destinée à recevoir la partie de bord supérieur 13 du corps de valve 10, en particulier la surface axiale inférieure de celle-ci, ainsi qu'une partie de col tronconique 5 dont la forme correspond sensiblement à la partie de corps tronconique 12 du corps de valve 10. De préférence, l'angle de la partie de col tronconique 5, en partant de la bride radiale 3, est légèrement inférieur à l'angle de la partie de corps tronconique 12 en partant de la partie de bord supérieure 13. Ceci est en particulier visible sur la figure 5, mais également sur les figures 1 et 3. Cette mise en oeuvre facilite l'assemblage du corps de valve 10 dans le col 2 du récipient en évitant sensiblement les contacts entre les parties tronconiques du corps de valve 10 et du col 2, notamment lors de l'assemblage de la capsule et donc de la compression du joint de col 50. Ceci permet d'éviter des problèmes d'hyperstatisme qui pourraient perturber la compression du joint. Les formes tronconiques du col 2 de récipient et du corps de valve 10 permettent de limiter de manière importante le volume mort du dispositif lorsque la valve est assemblée sur le récipient. En effet, comme visible notamment sur la figure 1, l'ouverture de remplissage prévue dans la partie de corps cylindrique 11 s'étend sensiblement jusqu'au début des parties de corps et de col tronconiques 12 et 5, de sorte que lorsque la valve est placée en position inversée (qui est sa position de remplissage, et généralement sa position d'utilisation), la quasi-totalité du produit contenu dans le récipient 1 pourra pénétrer dans le corps de valve (et donc dans la chambre de dosage 15) et seule une infime partie du produit ne pourra pas être distribuée en raison du très faible volume mort de la valve selon l'invention. La présente invention permet donc de supprimer la bague de remplissage généralement prévue autour du corps de valve et notamment destinée à limiter le volume mort. A nouveau, l'assemblage est simplifié et le coût diminué.According to yet another advantageous aspect of the invention, the container 1 advantageously comprises a neck 2 provided with a radial flange portion 3 intended to receive the upper edge portion 13 of the valve body 10, in particular the lower axial surface of the this and a frustoconical neck portion 5 whose shape corresponds substantially to the frustoconical body portion 12 of the valve body 10. Preferably, the angle of the frustoconical neck portion 5, starting from the flange radial 3, is slightly less than the angle of the frustoconical body portion 12 starting from the upper edge portion 13. This is particularly visible on the figure 5 but also on figures 1 and 3 . This implementation facilitates the assembly of the valve body 10 in the neck 2 of the container substantially avoiding the contacts between the frustoconical portions of the valve body 10 and the neck 2, especially during the assembly of the capsule and therefore of the compression of the neck seal 50. This avoids problems of hyperstatism that could disrupt the compression of the seal. The frustoconical shapes of the container neck 2 and the valve body 10 can significantly limit the dead volume of the device when the valve is assembled on the container. Indeed, as visible especially on the figure 1 the filling opening provided in the cylindrical body portion 11 extends substantially to the beginning of the frustoconical body and collar portions 12 and 5, so that when the valve is placed in the inverted position (which is its position and generally its position of use), almost all of the product contained in the container 1 can enter the valve body (and therefore in the metering chamber 15) and only a tiny part of the product will not be able to to be distributed because of the very low dead volume of the valve according to the invention. The present invention therefore makes it possible to eliminate the generally provided filler ring around the valve body and in particular intended to limit the dead volume. Again, assembly is simplified and cost is reduced.

Selon un autre aspect avantageux de l'invention, le col 2 du récipient 1, et en particulier la partie tronconique 5 de ce col dans les exemples représentés, peut comporter un épaulement radial vers l'extérieur 4, destiné à coopérer avec la machine d'assemblage de la capsule de fixation 100 sur le col 2, et sert donc de référentiel lors de cet assemblage, notamment par sertissage, de la capsule de fixation 100 sur le col 2 du récipient 1. Ceci permet de prédéterminer la compression du joint de col 50 lors de l'assemblage de la capsule de fixation sur le col. Cette prédétermination de la compression du col permet de réduire la variabilité de compression lors de l'assemblage et améliore la précision de cet assemblage. Bien entendu, cet épaulement radial vers l'extérieur pourrait être réalisé sous une forme différente, ou être prévue à un endroit différent, tout en remplissant la même fonction, à savoir servir de référentiel lors de l'assemblage de la capsule de fixation sur le col.According to another advantageous aspect of the invention, the neck 2 of the container 1, and in particular the frustoconical portion 5 of this neck in the examples shown, may comprise a radially outward shoulder 4 intended to cooperate with the machine. assembly of the fixing cap 100 on the neck 2, and therefore serves as a reference during this assembly, in particular by crimping, of the attachment cap 100 on the neck 2 of the container 1. This allows the compression of the seal of the seal to be predetermined. neck 50 when assembling the attachment cap on the neck. This prediction of the compression of the neck makes it possible to reduce the variability of compression during assembly and improves the precision of this assembly. Of course, this radially outward shoulder could be made in a different form, or be provided at a different place, while fulfilling the same function, namely to serve as a reference during assembly of the fixing cap on the collar.

En se référant aux figures 3 et 4, il est représenté un autre mode de réalisation du joint selon un aspect de l'invention. Ce mode de réalisation diffère du mode de réalisation des figures 1 et 2 en ce que le joint qui forme à la fois joint de col 50 et joint haut 30 de la chambre de dosage 15 comporte au moins une ouverture 55, en l'occurrence quatre ouvertures dans l'exemple représenté. Cette ouverture 55 est destinée au passage d'au moins une partie du corps de valve 10, en particulier pour le passage, après assemblage, du bord axial supérieur 121 des projections radiales 120 de la partie de corps tronconique 12. Dans ce mode de réalisation, ces projections radiales 120 s'étendent donc axialement plus haut que dans le mode de réalisation des figures 1 et 2 et viennent coopérer mécaniquement avec la capsule de fixation 100 après assemblage pour former une butée. Ceci favorise également la prédétermination de la compression du joint lors de cet assemblage. Dans ce mode de réalisation, la capsule 100 peut éventuellement comporter une forme étagée pour réaliser une compression différente de la partie de joint de col 50 par rapport à la partie de joint haut 30 de chambre de dosage. Il est entendu que le nombre, la forme et la répartition des ouvertures 55 dans le joint d'une part, et de projections radiales 120 du corps de valve d'autre part, peuvent être modifiés à souhait. De même, seulement certaines des projections radiales 120 pourraient comporter des bords supérieurs 121 venant en butée contre la capsule 100, si souhaité.Referring to Figures 3 and 4 , there is shown another embodiment of the seal according to one aspect of the invention. This embodiment differs from the embodiment of the Figures 1 and 2 in that the seal which forms both a neck seal 50 and a top seal 30 of the metering chamber 15 has at least one opening 55, in this case four openings in the example shown. This opening 55 is intended for the passage of at least a portion of the valve body 10, in particular for the passage, after assembly, of the upper axial edge 121 of the radial projections 120 of the frusto-conical body portion 12. In this embodiment , these radial projections 120 thus extend axially higher than in the embodiment of the Figures 1 and 2 and mechanically cooperate with the attachment cap 100 after assembly to form a stop. This also promotes the predetermination of the compression of the joint during this assembly. In this embodiment, the capsule 100 may optionally have a stepped shape to effect different compression of the neck seal portion 50 relative to the top seal portion of the dosing chamber. It is understood that the number, the shape and the distribution of the openings 55 in the seal on the one hand, and radial projections 120 of the valve body on the other hand, can be modified at will. Likewise, only some of the radial projections 120 could have upper edges 121 abutting against the capsule 100, if desired.

En référence à la figure 5, il est représenté un autre mode de réalisation du joint selon un aspect de l'invention, dans lequel le joint de col 50 est réalisé de manière monobloc avec le joint bas 40. Dans l'exemple représenté, la partie de joint de col 50 est de préférence reliée de manière monobloc à la partie de joint bas 40 par au moins une liaison de matière 56. Avantageusement, ce joint de col 50 monobloc avec ledit joint bas 40 peut être surmoulé sur un élément rigide 200 qui coopère avec le corps de valve 10. En particulier, cet élément rigide 200 peut avoir une forme partiellement tronconique correspondant sensiblement à celle de la partie de corps tronconique 12, tout en évitant de préférence sensiblement des contacts entre ces parties tronconiques, pour éviter des problèmes d'hyperstatisme. Cet élément rigide 200 est de préférence formé d'une pièce monobloc avec le manchon axial creux 16 définissant la chambre de dosage 15. Le nombre de pièces et les coûts sont donc encore davantage diminués. L'élément rigide 200 peut comporter une partie de bride radiale 201 coopérant d'une part avec la surface axiale supérieure du bord supérieur 13 du corps de valve et d'autre part avec la capsule de fixation 100, pour prédéfinir la compression du joint de col 50 lors de l'assemblage de la capsule 100. Par ailleurs, dans ce mode de réalisation, la partie de corps tronconique 12 du corps de valve 10 peut également comporter des projections radiales 120 (non représentées sur la figure 5).With reference to the figure 5 another embodiment of the seal according to one aspect of the invention is shown, in which the neck seal 50 is made integrally with the bottom seal 40. In the example shown, the neck seal portion 50 is preferably integrally connected to the bottom seal portion 40 by at least one material connection 56. Advantageously, this one-piece neck seal 50 with said bottom seal 40 may be overmolded on a rigid element 200 which cooperates with the body of valve 10. In particular, this rigid element 200 may have a partially frustoconical shape corresponding substantially to that of the frustoconical body portion 12, while preferably avoiding substantially contacts between these frustoconical portions, to avoid problems of hyperstatism. This rigid element 200 is preferably formed of a one-piece piece with the hollow axial sleeve 16 defining the metering chamber 15. The number of parts and the costs are therefore further reduced. The rigid element 200 may comprise a radial flange portion 201 cooperating on the one hand with the upper axial surface of the upper edge 13 of the valve body and on the other hand with the attachment cap 100, to predefine the compression of the gasket. collar 50 when assembling the capsule 100. Moreover, in this mode of embodiment, the frusto-conical body portion 12 of the valve body 10 may also comprise radial projections 120 (not shown in FIG. figure 5 ).

Bien que la présente invention ait été décrite en référence à plusieurs modes de réalisation distincts, il est entendu que les diverses caractéristiques représentées sur les différentes figures pourraient être combinées d'une manière quelconque entre elles. De même, certains aspects décrits ci-dessus pourraient être mis en oeuvre de manière indépendante. Par exemple, les moyens permettant de prédéterminer la compression du joint de col lors de l'assemblage, notamment par sertissage, de l'organe de fixation 100 sur le col de récipient, pourraient être réalisés dans une valve dans laquelle le joint de col ne serait pas nécessairement réalisé de manière monobloc avec l'un des deux joints de la chambre de dosage. De même, la forme tronconique du col et du corps de valve peut être mise en oeuvre indépendamment du joint monobloc et/ ou des moyens de prédétermination de compression.Although the present invention has been described with reference to several distinct embodiments, it is understood that the various features shown in the different figures could be combined in any way with each other. Likewise, certain aspects described above could be implemented independently. For example, the means for predetermining the compression of the neck seal during the assembly, in particular by crimping, of the fastener 100 on the container neck could be made in a valve in which the neck seal would not necessarily be made in one piece with one of the two seals of the metering chamber. Similarly, the frustoconical shape of the neck and the valve body can be implemented independently of the one-piece seal and / or compression predetermination means.

Par ailleurs, l'homme du métier peut apporter toutes modifications utiles aux modes de réalisation donnés à titre d'exemples en référence aux dessins, sans sortir du cadre de la présente invention tel que défini par les revendications annexées.Moreover, those skilled in the art can make any useful modifications to the embodiments given by way of example with reference to the drawings, without departing from the scope of the present invention as defined by the appended claims.

Claims (26)

  1. A fluid dispenser valve for mounting on a neck (2) of a receptacle (1) containing fluid, said valve comprising a hollow valve body (10) including inside a metering chamber (15) and a valve member (20) movable inside said metering chamber (15) between a rest position and a dispensing position, said valve member (20) being urged towards its rest position by a spring (8) co-operating on one side with said valve member (20) and on the other side with said valve body (10), said metering chamber (15) having a top gasket (30) and a bottom gasket (40) co-operating in leaktight manner with said valve member (20), said valve including a neck gasket (50) co-operating in leaktight manner with said valve body (10) and with said receptacle neck (2), the valve being characterized in that said neck gasket (50) is made integrally as a single piece with one of said top and bottom gaskets (30, 40) of the metering chamber (15).
  2. A valve according to claim 1, in which said valve body (10) comprises a cylindrical body portion (11), a top body portion (13), and a frustoconical body portion (12) interconnecting said cylindrical body portion (11) and said top edge portion (13).
  3. A valve according to claim 2, in which the diameter of said top edge portion (13) is greater than the diameter of said cylindrical body portion (11).
  4. A valve according to claim 2 or claim 3, in which said neck gasket (50) co-operates with the outer top axial surface of said top edge (13).
  5. A valve according to claim 4, in which said outer top axial surface of said top edge (13) includes a sealing profile (113) such as at least one axial projection.
  6. A valve according to any one of claims 2 to 5, in which said bottom gasket (40) is disposed close to the junction between the cylindrical body portion (11) and the frustoconical body portion (12).
  7. A valve according to claim 6, in which said valve body (10) includes an inwardly-directed radial shoulder (14) close to said junction between the cylindrical body portion (11) and the frustoconical body portion (12).
  8. A valve according to claim 7, in which the top axial surface of said radial shoulder (14) includes a sealing profile (114), such as at least one axial projection, co-operating with said bottom gasket (40).
  9. A valve according to any one of claims 2 to 8, in which said metering chamber (15) comprises a hollow axial sleeve (16) co-operating in leaktight manner with said top and bottom gaskets (30, 40) and defining said metering chamber (15) on its inside.
  10. A valve according to any one of claims 2 to 9, in which said frustoconical body portion (12) includes at least one inwardly-directed radial projection (120).
  11. A valve according to claim 10, in which said frustoconical body portion (12) includes a plurality of radial projections (120) having internal axial edges defining an inscribed geometrical cylinder of diameter slightly greater than the outside diameter of the hollow axial sleeve (16) defining the metering chamber (15).
  12. A valve according to any preceding claim, in which said neck gasket (50) is made integrally as a single piece with said top gasket (30).
  13. A valve according to claim 12, in which said neck gasket (50) includes at least one opening (55) for passing at least a portion of the valve body (10).
  14. A valve according to claim 13 and either claim 10 or claim 11, in which each opening (55), after assembly, has the top axial edge (121) of a radial projection (120) of said frustoconical body portion (12) passing therethrough.
  15. A valve according to any one of claims 1 to 11, in which said neck gasket (50) is made integrally as a single piece with said bottom gasket (40).
  16. A valve according to claim 15, in which said neck gasket (50) is connected integrally with said bottom gasket (40) via at least one bridge of material (56).
  17. A valve according to claim 15 or claim 16, in which said neck gasket (50) integral with said bottom gasket (40) is overmolded on a rigid element (200) co-operating with the valve body (10).
  18. A valve according to any preceding claim, in which said valve includes a fastener member (100) for fastening said valve body (10) on said neck (2) of the receptacle (1), in particular by crimping.
  19. A valve according to claim 18, in which said fastener member (100) compresses said neck gasket (50) while it is being assembled on the neck (2) of the receptacle (1).
  20. A valve according to claim 19, in which, after being assembled on the neck (2) of the receptacle (1), said fastener member (100) co-operates with a rigid portion secured to or integral with said valve body (10) to form an abutment and thus predetermine the amount of compression of said neck gasket (50) during assembly of the fastener member (100).
  21. A valve according to claims 14 and 20, in which, after assembly, said fastener member (100) co-operates with the top edge (121) of at least one radial projection (120).
  22. A fluid dispenser device comprising a receptacle (1) containing the fluid, and characterized in that it includes a valve according to any preceding claim.
  23. A device according to claim 22, in which said receptacle (1) includes a neck (2) provided with a radial flange portion (3) for receiving a top edge portion (13) of the valve body (10), and a frustoconical neck portion (5) of shape corresponding substantially to the shape of the frustoconical body portion (12) of the valve body (10).
  24. A device according to claim 23, in which the angle of said frustoconical body portion (5) from said radial flange (3) is slightly smaller than the angle of the frustoconical body portion (12) from said top edge portion (13) in order to facilitate assembling the valve body (10) in the neck (2) of the receptacle (1).
  25. A device according to claim 23 or claim 24, in which said frustoconical neck portion (5) includes an outwardly-directed radial shoulder (4) serving as a reference point during assembly of the fastener member (100) on the neck (2) of the receptacle (1), in particular by crimping.
  26. A device according to claim 25, in which said radial shoulder (4) enables the amount of compression of said neck gasket (50) to be predetermined during assembly of the fastener member (100) on the neck (2) of the receptacle (1).
EP06794438A 2005-05-20 2006-05-18 Fluid product dispensing valve Active EP1919799B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0551319A FR2885889B1 (en) 2005-05-20 2005-05-20 FLUID PRODUCT DELIVERY VALVE
PCT/FR2006/050454 WO2007000536A2 (en) 2005-05-20 2006-05-18 Fluid product dispensing valve

Publications (2)

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EP1919799A2 EP1919799A2 (en) 2008-05-14
EP1919799B1 true EP1919799B1 (en) 2010-04-14

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US (1) US8286840B2 (en)
EP (1) EP1919799B1 (en)
JP (1) JP4951619B2 (en)
CN (1) CN101208249B (en)
DE (1) DE602006013650D1 (en)
FR (1) FR2885889B1 (en)
WO (1) WO2007000536A2 (en)

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CN102224087B (en) * 2008-10-09 2013-03-27 株式会社大造 Sealing structure for aerosol container, aerosol container, and aerosol container manufacturing method
FR2948645B1 (en) * 2009-07-30 2015-06-26 Valois Sas FLUID PRODUCT DELIVERY VALVE
CA2784503A1 (en) 2009-12-18 2011-06-23 Tetra Laval Holdings & Finance S.A. Filling assembly, gasket for use in said filling assembly, and a method for filling liquid
FR2981054B1 (en) * 2011-10-05 2015-01-16 Valois Sas FIXING ELEMENT OF A DISTRIBUTION MEMBER ON THE COLLAR OF A CONTAINER AND DEVICE FOR DISPENSING FLUID PRODUCT COMPRISING SUCH A FIXING MEMBER.
FR2993542B1 (en) * 2012-07-19 2015-04-10 Aptar France Sas FLUID PRODUCT DISPENSING MEMBER.
US10398279B2 (en) * 2015-11-19 2019-09-03 Sharkninja Operating Llc Dispensing enclosure for a container

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FR1271242A (en) * 1960-07-29 1961-09-08 Agir Lab Improvement in valves for atomizing containers
US3190508A (en) * 1963-03-05 1965-06-22 Rexall Drug Chemical Metering valve for fluids under pressure
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AT304350B (en) * 1969-10-21 1972-12-27 Coster Tecnologie Speciali Spa Aerosol container valve
FR2076684A5 (en) * 1970-01-23 1971-10-15 Ydev Sa
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US6596260B1 (en) * 1993-08-27 2003-07-22 Novartis Corporation Aerosol container and a method for storage and administration of a predetermined amount of a pharmaceutically active aerosol
JPH08119352A (en) * 1994-10-28 1996-05-14 Seiichi Kitabayashi Aerosol valve capable of serving as fixed blowoff valve, loading method using the same, fixed blowoff method using aerosol valve, and manufacture of general aerosol valve and fixed blowoff valve
GB2311982B (en) * 1996-04-09 2000-03-08 Bespak Plc Improvements in or relating to valves for dispensers
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FR2808258B1 (en) * 2000-04-28 2002-09-13 Oreal AEROSOL CONTAINER WITH IMPROVED VALVE
JP4783919B2 (en) * 2001-03-08 2011-09-28 株式会社三谷バルブ Metering valve mechanism

Also Published As

Publication number Publication date
FR2885889B1 (en) 2007-10-19
EP1919799A2 (en) 2008-05-14
JP2008540281A (en) 2008-11-20
WO2007000536A3 (en) 2007-03-29
FR2885889A1 (en) 2006-11-24
US8286840B2 (en) 2012-10-16
WO2007000536A2 (en) 2007-01-04
CN101208249A (en) 2008-06-25
US20080190967A1 (en) 2008-08-14
CN101208249B (en) 2010-11-03
JP4951619B2 (en) 2012-06-13
DE602006013650D1 (en) 2010-05-27

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