EP0941147B1 - Device for dispensing a fluid product containing two components - Google Patents
Device for dispensing a fluid product containing two components Download PDFInfo
- Publication number
- EP0941147B1 EP0941147B1 EP97948984A EP97948984A EP0941147B1 EP 0941147 B1 EP0941147 B1 EP 0941147B1 EP 97948984 A EP97948984 A EP 97948984A EP 97948984 A EP97948984 A EP 97948984A EP 0941147 B1 EP0941147 B1 EP 0941147B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- product
- tank
- dispensing
- piston
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
- B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1081—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping
Definitions
- the present invention relates to a device for bicomponent type fluid distribution, i.e. allowing to distribute two different products.
- different products is meant either products having a different composition, i.e. concentrations different from the same product.
- the object of the present invention is to avoid aforementioned drawbacks.
- Document DE-U-94 03 512 is known a product distribution system fluids for dispensing two different products in the same distributor.
- the present invention also aims to provide a such a distributor of fluid products making it possible, with different means, to obtain the most effective treatment possible at the lowest cost weak possible.
- the present invention also aims to provide a such a fluid dispensing device which avoids the risk of confusion between the two products to distribute, thereby improving security for the user.
- the present invention therefore relates to a device for dispensing fluid products, comprising a member distribution, such as a pump, mounted on a container, and an actuator, such as a pusher, for distribute product, the device comprising two product tanks arranged so that they are emptied successively, the product contained in the second tank only distributed when the first tank is empty, the first tank being attached to the body of the dispensing member or to a support part of said body, and extends to the bottom of the container at less partially inside the second tank.
- a member distribution such as a pump
- an actuator such as a pusher
- the first tank is connected to the distribution member and the second reservoir is connected said first tank through an element shutter which prevents the passage of the contained product in the second tank to the dispenser as long as the first tank contains product and which frees said passage when said first tank is empty, so that subsequent actuations of the device distribute the product contained in the second tank.
- the first tank is connected by a side to the dispenser and has on the other side a connecting channel with the second tank, said first reservoir comprising a follower piston moving tightly in said first tank on each actuation of the device to compensate for the volume of product dispensed during each actuation, the displacement of said follower piston simultaneously sucking of the product from the second tank in the part upstream of the first reservoir located behind said piston follower in the direction of flow of the product, and said follower piston, when it reaches its end position in which the first tank is empty, cooperates with passage means for creating a passage between said upstream part of the first reservoir and the distribution, thereby distributing the product sucked into said upstream part of the first tank and / or remaining in the second tank.
- said passage means are made in the form of one or more grooves formed at the downstream end of the side wall of the first tank.
- said first tank is produced of a part with the body of the dispensing member or with the support piece of said body.
- the dispenser includes a distribution member such as a pump 1 mounted on a container 2 by means, for example, of a fixing such as a ring 4 which can be snapped on, crimped or fixed by any other means on the neck of the container 2.
- said pump can include a pusher 3 provided with an orifice dispensing 5 to dispense a dose of product.
- the pump also includes a nozzle 7 disposed near said distribution orifice 5 for spray the product, and a protective cap 6 can be provided to protect port 5 after use of the device.
- the device comprises two product tanks 10 and 20 placed in the container 2, each of the tanks 10 and 20 comprising a product different either by its composition or by its concentration.
- these two product reservoirs 10 and 20 are arranged so that they are emptied successively, that is to say that the product contained in the second tank 20 is only distributed when the first tank 10 is completely empty.
- a end of the first tank 10 is advantageously connected to pump 1, for example via a inlet valve, and said second tank 20 is connected at the other end of the first tank 10.
- the connection between the second tank 20 and the first tank 10 is produced by means of a sealing element 30 which prevents the passage of the product contained in the second reservoir 20 towards the pump 1, of so that when the device is activated, it is the product contained in the reservoir 10 which is distributed, the product contained in the second tank 20 being confined behind said closure element 30.
- This element shutter 30 is intended to clear the passage between the second tank 20 and pump 1 when the first tank 10 is completely empty, so that subsequent actuations of the device then distribute the product contained in the second tank 20.
- the pump 1 operates without air intake and the shutter element 30 acts as a follower piston in the first reservoir 10, so that each time the dispenser is actuated, a dose of product contained in the first reservoir 10 is dispensed and the volume of this dispensed dose is compensated by a displacement of said follower piston 30 to inside the first tank 10.
- the second tank 20 - being connected to the first tank 10 on the other side of said follower piston 30 when the latter moves in the first tank 10, the product contained in the second reservoir 20 is sucked upstream of said follower piston 30, in the first tank 10.
- the follower piston 30 reaches its end position where it cooperates with the means of passage 35 allowing the product upstream of said piston follower 30 to be distributed to pump 1, so that subsequent actuations of the device distributes the product initially contained in the second reservoir 20.
- the first tank 10 is connected directly on one side to the dispensing member 1, i.e. at the pump, and has on the other side a channel of link 15 which extends to near the bottom of the container 2, where it is connected to the second tank 20 which is formed directly in container 2.
- the first tank 10 is made in one piece with the pump body and / or with a support part 9 of the pump body, such as shown in Figures 1 to 3.
- This support piece 9 receives the pump body inside and rests on the neck of the container, but it is also possible to remove this support piece 9 and dispose directly the pump body on the container neck.
- the seal between the pump body and the support part 9 is produced by radial tightening while in the embodiment shown in Figure 3, the seal between the part support 9 and the pump body is produced by means of a advantageously O-ring 8.
- the first tank 10 is fixed to the support piece 9, for example by radial clamping of the side wall 11 in a lower end of said support piece 9.
- the seal between the pump body and the part support 9 is also produced by means of a seal 8.
- the follower piston 30 reaches its end position where it cooperates with the passage means 35 and the product which has been sucked in upstream of said follower piston 30 from said second tank 20 can be dispensed during actuations from the distributor.
- the first reservoir 10 and the connecting channel 15 act like a dip tube intended to completely empty the product contained in container 2, i.e. in the second tank 20.
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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)
Abstract
Description
La présente invention concerne un dispositif de distribution de produit fluide du type bicomposant, c'est-à-dire permettant de distribuer deux produits différents.The present invention relates to a device for bicomponent type fluid distribution, i.e. allowing to distribute two different products.
Par produits différents, on entend soit des produits ayant une composition différente, soit des concentrations différentes du même produit.By different products is meant either products having a different composition, i.e. concentrations different from the same product.
Il existe de nombreux cas, notamment dans le traitement de certaines maladies, où l'utilisation d'un produit unique ne suffit pas ou ne donne pas des résultats satisfaisants pour le traitement considéré. Pour améliorer le traitement, il est donc souvent nécessaire de combiner deux produits différents ou deux concentrations différentes du même produit, ce qui implique que l'utilisateur doit avoir à sa disposition deux distributeurs de produit. Ceci présente de nombreux inconvénients. Ainsi, l'utilisation de plusieurs distributeurs augmente le coût du traitement. D'autre part, lorsque deux produits différents sont utilisés, il y en a généralement un qui doit être distribué avant l'autre et le risque de confusion ou d'erreur lors du choix du distributeur par l'utilisateur existe, ce qui pourrait rendre le traitement inefficace, en inversant et/ou en mélangeant l'ordre d'administration des deux produits différents. De plus, l'utilisation de deux distributeurs n'est pas pratique pour l'utilisateur et présente un encombrement important ce qui peut également être gênant.There are many cases, especially in the treatment of certain diseases, where the use of a single product is not enough or does not work satisfactory for the treatment considered. To improve treatment, so it is often necessary to combine two different products or two concentrations different from the same product, which implies that the user must have at his disposal two product distributors. This presents many disadvantages. So the use of multiple dispensers increases the cost of treatment. Else apart, when two different products are used, there one usually has to be distributed before the other and the risk of confusion or error when choosing the distributor by user exists, which could render the treatment ineffective, by reversing and / or mixing the order of administration of the two products different. In addition, the use of two distributors is inconvenient for the user and presents a significant bulk which can also be annoying.
La présente invention a pour but d'éviter les inconvénients précités.The object of the present invention is to avoid aforementioned drawbacks.
Du document DE-U-94 03 512 est connu un dispositif de distribution de produits fluides permettant de distribuer deux produits différents dans le même distributeur. Document DE-U-94 03 512 is known a product distribution system fluids for dispensing two different products in the same distributor.
La présente invention a aussi pour but de fournir un tel distributeur de produits fluides permettant avec des moyens différents d'obtenir un traitement le plus efficace possible à un coût le plus faible possible.The present invention also aims to provide a such a distributor of fluid products making it possible, with different means, to obtain the most effective treatment possible at the lowest cost weak possible.
La présente invention a encore pour but de fournir un tel dispositif de distribution de produit fluide qui évite le risque de confusion entre les deux produits à distribuer, améliorant ainsi la sécurité pour l'utilisateur.The present invention also aims to provide a such a fluid dispensing device which avoids the risk of confusion between the two products to distribute, thereby improving security for the user.
La présente invention a donc pour objet-un dispositif de distribution de produits fluides, comportant un organe de distribution, tel qu'une pompe, monté sur un récipient, et un organe d'actionnement, tel qu'un poussoir, pour distribuer du produit, le dispositif comportant deux réservoirs de produits agencés de telle sorte qu'ils sont vidés successivement, le produit contenu dans le second réservoir n'étant distribué que lorsque le premier réservoir est vide, le premier réservoir étant fixé au corps de l'organe de distribution ou à une pièce support dudit corps, et s'étend jusqu'au fond du récipient au moins partiellement à l'intérieur du second réservoir.The present invention therefore relates to a device for dispensing fluid products, comprising a member distribution, such as a pump, mounted on a container, and an actuator, such as a pusher, for distribute product, the device comprising two product tanks arranged so that they are emptied successively, the product contained in the second tank only distributed when the first tank is empty, the first tank being attached to the body of the dispensing member or to a support part of said body, and extends to the bottom of the container at less partially inside the second tank.
De préférence, le premier réservoir est relié à l'organe de distribution et le second réservoir est relié audit premier réservoir par l'intermédiaire d'un élément d'obturation qui empêche le passage du produit contenu dans le second réservoir vers l'organe de distribution tant que le premier réservoir contient du produit et qui libère ledit passage lorsque ledit premier réservoir est vide, de telle sorte que des actionnements ultérieurs du dispositif distribuent le produit contenu dans le second réservoir.Preferably, the first tank is connected to the distribution member and the second reservoir is connected said first tank through an element shutter which prevents the passage of the contained product in the second tank to the dispenser as long as the first tank contains product and which frees said passage when said first tank is empty, so that subsequent actuations of the device distribute the product contained in the second tank.
Avantageusement, le premier réservoir est relié d'un côté à l'organe de distribution et comporte de l'autre côté un canal de liaison avec le second réservoir, ledit premier réservoir comportant un piston suiveur se déplaçant de manière étanche dans ledit premier réservoir à chaque actionnement du dispositif pour compenser le volume de produit distribué lors de chaque actionnement, le déplacement dudit piston suiveur aspirant simultanément du produit à partir du second réservoir dans la partie amont du premier réservoir située derrière ledit piston suiveur dans le sens d'écoulement du produit, et ledit piston suiveur, lorsqu'il atteint sa position d'extrémité dans laquelle le premier réservoir est vide, coopère avec des moyens de passage pour créer un passage entre ladite partie amont du premier réservoir et l'organe de distribution, permettant ainsi de distribuer le produit aspiré dans ladite partie amont du premier réservoir et/ou restant dans le second réservoir.Advantageously, the first tank is connected by a side to the dispenser and has on the other side a connecting channel with the second tank, said first reservoir comprising a follower piston moving tightly in said first tank on each actuation of the device to compensate for the volume of product dispensed during each actuation, the displacement of said follower piston simultaneously sucking of the product from the second tank in the part upstream of the first reservoir located behind said piston follower in the direction of flow of the product, and said follower piston, when it reaches its end position in which the first tank is empty, cooperates with passage means for creating a passage between said upstream part of the first reservoir and the distribution, thereby distributing the product sucked into said upstream part of the first tank and / or remaining in the second tank.
Avantageusement, lesdits moyens de passage sont réalisés sous la forme d'une ou plusieurs rainures ménagées à l'extrémité aval de la paroi latérale du premier réservoir.Advantageously, said passage means are made in the form of one or more grooves formed at the downstream end of the side wall of the first tank.
Avantageusement, ledit premier réservoir est réalisé d'une pièce avec le corps de l'organe de distribution ou avec la pièce support dudit corps.Advantageously, said first tank is produced of a part with the body of the dispensing member or with the support piece of said body.
D'autres caractéristiques et avantages de la présente invention apparaítront au cours de la description détaillée suivante, donnée à titre d'exemple non limitatif en regard des dessins joints, sur lesquels :
- la figure 1 représente une vue schématique en coupe d'un dispositif selon l'invention, avant sa première utilisation,
- la figure 2 représente une vue similaire à celle de la figure 1, après un ou plusieurs actionnements du dispositif,
- la figure 3 représente une variante de construction du dispositif de la figure 1, et
- la figure 4 est une vue similaire à celle de la figure 3 représentant une autre variante de construction du dispositif de l'invention.
- FIG. 1 represents a schematic sectional view of a device according to the invention, before its first use,
- FIG. 2 represents a view similar to that of FIG. 1, after one or more actuations of the device,
- FIG. 3 represents a variant construction of the device of FIG. 1, and
- Figure 4 is a view similar to that of Figure 3 showing another alternative construction of the device of the invention.
En référence aux figures, le distributeur comporte un
organe de distribution tel qu'une pompe 1 montée sur un
récipient 2 au moyen, par exemple, d'un élément de
fixation telle qu'une bague 4 qui- peut être encliquetée,
sertie ou fixée par tout autre moyen sur le col du
récipient 2. De manière classique, ladite pompe peut
comporter un poussoir 3 pourvu d'un orifice de
distribution 5 pour distribuer une dose de produit.
Avantageusement, la pompe comporte également un gicleur 7
disposé à proximité dudit orifice de distribution 5 pour
pulvériser le produit, et un capuchon de protection 6 peut
être prévu pour protéger l'orifice 5 après l'utilisation
du dispositif.With reference to the figures, the dispenser includes a
distribution member such as a
Selon l'invention, le dispositif comporte deux
réservoirs de produit 10 et 20 disposé dans le récipient
2, chacun des réservoirs 10 et 20 comportant un produit
différent soit par sa composition soit par sa
concentration.According to the invention, the device comprises two
Selon l'invention, ces deux réservoirs de produit 10
et 20 sont agencés de telle sorte qu'ils sont vidés
successivement c'est-à-dire que le produit contenu dans le
second réservoir 20 n'est distribué que lorsque le premier
réservoir 10 est complètement vide. Pour se faire, une
extrémité du premier réservoir 10 est avantageusement
relié à la pompe 1, par exemple par l'intermédiaire d'un
clapet d'admission, et ledit second réservoir 20 est relié
à l'autre extrémité du premier réservoir 10. Selon
l'invention, la liaison entre le second réservoir 20 et le
premier réservoir 10 est réalisée par l'intermédiaire d'un
élément d'obturation 30 qui empêche le passage du produit
contenu dans le second réservoir 20 vers la pompe 1, de
sorte que lorsque le dispositif est actionné, c'est le
produit contenu dans le réservoir 10 qui est distribué, le
produit contenu dans le second réservoir 20 étant cantonné
derrière ledit élément d'obturation 30. Cet élément
d'obturation 30 est destiné à libérer le passage entre le
second réservoir 20 et la pompe 1 lorsque le premier
réservoir 10 est complètement vide, de sorte que de
actionnements ultérieurs du dispositif distribuent ensuite
le produit contenu dans le second réservoir 20.According to the invention, these two
Avantageusement, ceci est obtenu en ce que la pompe 1
fonctionne sans reprise d'air et l'élément d'obturation 30
agit comme un piston suiveur dans le premier réservoir 10,
de sorte qu'à chaque actionnement du distributeur, une
dose de produit contenu dans le premier réservoir 10 est
distribuée et le volume de cette dose distribuée est
compensée par un déplacement dudit piston suiveur 30 à
l'intérieur du premier réservoir 10. Le second réservoir
20 -étant relié au premier réservoir 10 de l'autre côté
dudit piston suiveur 30 lorsque celui-ci se déplace dans
le premier réservoir 10, le produit contenu dans le second
réservoir 20 est aspiré-en amont-dudit piston suiveur 30,
dans le premier réservoir 10.Advantageously, this is obtained in that the
Lorsque le premier réservoir 10 est complètement vidé,
le piston suiveur 30 parvient à une position d'extrémité
dans ledit premier réservoir 10, où des moyens de passage
35 sont prévus pour créer un passage entre le produit
contenu en amont dudit piston suiveur 30 et la pompe 1.
Avantageusement, ces moyens de passage sont réalisés sous
la forme d'une ou plusieurs rainures ménagées dans la
paroi latérale 11 du premier réservoir 10, au niveau de
ladite position d'extrémité du piston suiveur 30 qui
correspond audit premier réservoir vide. Comme visible sur
les figures 1 et 2, qui représentent les deux positions
d'extrémité du piston suiveur 30, on constate que lorsque
le piston suiveur 30 atteint sa position d'extrémité
correspondant au premier réservoir 10 vide, ledit premier
réservoir 10 est en fait à nouveau rempli de produit issu
du second réservoir 20, ce qui apparait notamment sur la
figure 2 par une baisse du niveau de produit contenu dans
le second réservoir 20. Ainsi, l'expression "premier
réservoir vide" signifie que le produit contenu dans le
premier réservoir 10 a été complètement distribué et non
qu'il n'y a plus aucun produit contenu dans ledit premier
réservoir.When the
Ainsi, après distribution complète du produit contenu
dans le premier réservoir, le piston suiveur 30 atteint sa
position d'extrémité où il coopère avec les moyens de
passage 35 permettant au produit en amont dudit piston
suiveur 30 d'être distribué vers la pompe 1, de sorte que
les actionnements ultérieurs du dispositif distribue le
produit contenu initialement dans le second réservoir 20.Thus, after complete distribution of the product contained
in the first reservoir, the
De préférence, le premier réservoir 10 est relié
directement d'un côté à l'organe de distribution 1, c'est-à-dire
à la pompe, et comporte de l'autre côté un canal de
liaison 15 qui s'étend jusqu'à proximité du fond du
récipient 2, où il est relié au second réservoir 20 qui
est formé directement dans le récipient 2. Selon une
première variante de construction, le premier réservoir 10
est réalisé d'une pièce avec le corps de pompe et/ou avec
une pièce support 9 du corps de pompe, telle que
représentée sur les figures 1 à 3. Cette pièce support 9
reçoit le corps de pompe dans son intérieur et repose sur
le col du récipient, mais il est également envisageable de
supprimer cette pièce support 9 et de disposer directement
le corps de pompe sur le col du récipient. Dans l'exemple
représenté sur les figures 1 et 2, l'étanchéité entre le
corps de pompe et la pièce support 9 est réalisée par
serrage radial alors que dans l'exemple de réalisation
représenté sur la figure 3, l'étanchéité entre la pièce
support 9 et le corps de pompe est réalisée au moyen d'un
joint avantageusement torique 8.Preferably, the
Dans l'exemple représenté sur la figure 4, le premier
réservoir 10 est fixé à la pièce support 9, par exemple
par serrage radial de la paroi latérale 11 dans une
extrémité inférieure de ladite pièce support 9. Dans cet
exemple, l'étanchéité entre le corps de pompe et la pièce
de support 9 est également réalisée au moyen d'un joint 8.In the example shown in Figure 4, the
Ainsi, en fonctionnement, lorsque l'utilisateur appuie
sur le poussoir 3, il distribue tout d'abord le produit
contenu dans le premier réservoir 10, jusqu'à ce celui-ci
soit complètement vide. A ce moment-là, le piston suiveur
30 atteint sa position d'extrémité où il coopère avec les
moyens de passage 35 et le produit qui a été aspiré en
amont dudit piston suiveur 30 à partir dudit second
réservoir 20 peut être distribué lors des actionnements
ultérieurs du distributeur. A partir de ce moment-là, le
premier réservoir 10 et le canal de liaison 15 agissent
comme un tube plongeur destiné à vider complètement le
produit contenu dans le récipient 2 c'est-à-dire dans le
second réservoir 20. Bien entendu, on peut prévoir une
mise à l'air libre du récipient 2 pour compenser le volume
de produit distribué, mais il serait aussi envisageable de
réaliser ce second réservoir sans reprise d'air, par
exemple au moyen d'une poche souple.So, in operation, when the user presses
on
Claims (5)
- Device for dispensing fluid products, comprising a dispensing component (1), such as a pump, mounted on a recipient (2), and an actuating component (3), such as a push-button, for dispensing products, the device comprising two product chambers (10, 20) fitted such that they are emptied successively, the product that is contained in the second chamber (20) only being dispensed once the first chamber (10) is empty, characterized in that the first chamber (10) is fastened to the body of the dispensing component (1) or to a support part (9) of said body, said first chamber extending to the bottom of the recipient at least partly inside the second chamber (20).
- Device according to claim 1 wherein the first chamber (10) is connected to the dispensing component (1) and the second chamber (20) is connected to said first chamber (10) by a sealing part (30) that prevents the product contained in second chamber (20) from flowing towards the dispensing component (1) for as long as the first chamber (10) contains product and that releases said flow when said first chamber (10) is empty, such that when the device is subsequently actuated the product contained in second chamber (20) is dispensed.
- Device according to claim 1 or 2 wherein the first chamber (10) is connected to a dispensing component (1) on one side and comprises a connecting channel (15) with the second chamber (20) on the other side, said first chamber (10) comprising a follow-through piston (30) that is displaced while remaining leaktight in said first chamber (10) each time the device is actuated in order to compensate for the volume of product that is dispensed each time the device is actuated, the displacement of said follow-through piston (30) simultaneously drawing in product from the second chamber (20) in the upstream section of first chamber (10) located behind said follow-through piston (30) in the direction of flow of the product, and when said follow-through piston (30) reaches the end position in which the first chamber (10) is empty, said follow-through piston operates in conjunction with passage means (35) to create a passage between said upstream section of the first chamber (10) and the dispensing component (1), thereby enabling the product drawn in said upstream section of the first chamber (10) and/or remaining in the second chamber (20) to be dispensed.
- Device according to claim 3 wherein said passage means (35)are constituted by one or more grooves provided at the downstream end of lateral surface (11) of the first chamber (10).
- Device according to any one of the above claims wherein said first chamber (10) is constituted in a single part with the dispensing component (1) body or with the support part (9) of said body (1).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9614994 | 1996-12-06 | ||
FR9614994A FR2756811B1 (en) | 1996-12-06 | 1996-12-06 | DEVICE FOR DISPENSING BICOMPONENT TYPE FLUID PRODUCT |
PCT/FR1997/002183 WO1998024556A1 (en) | 1996-12-06 | 1997-12-03 | Device for dispensing a fluid product containing two components |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0941147A1 EP0941147A1 (en) | 1999-09-15 |
EP0941147B1 true EP0941147B1 (en) | 2003-04-02 |
Family
ID=9498404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97948984A Expired - Lifetime EP0941147B1 (en) | 1996-12-06 | 1997-12-03 | Device for dispensing a fluid product containing two components |
Country Status (6)
Country | Link |
---|---|
US (1) | US6221054B1 (en) |
EP (1) | EP0941147B1 (en) |
JP (1) | JP2001505482A (en) |
DE (1) | DE69720504T2 (en) |
FR (1) | FR2756811B1 (en) |
WO (1) | WO1998024556A1 (en) |
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JP1630477S (en) | 2018-07-06 | 2019-05-07 | ||
USD923812S1 (en) | 2019-01-16 | 2021-06-29 | West Pharma. Services IL, Ltd. | Medication mixing apparatus |
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US4715854A (en) * | 1986-07-17 | 1987-12-29 | Vaillancourt Vincent L | Multidose disposable syringe and method of filling same |
EP0390244B1 (en) * | 1989-03-28 | 1993-01-07 | Duphar International Research B.V | Pre-filled injection device comprising a barrel wherein a liquid diazepam formulation is accomodated |
NZ247392A (en) * | 1992-04-30 | 1995-05-26 | Takeda Chemical Industries Ltd | Prefilled syringe containing two substances mixed before injection |
JP3172005B2 (en) * | 1992-11-27 | 2001-06-04 | 株式会社大協精工 | Syringe and container |
DE9403512U1 (en) * | 1994-03-02 | 1994-05-19 | RPC Wiko GmbH & Co. KG, 50259 Pulheim | Two-chamber dispenser for consecutive dispensing of two materials |
US5518005A (en) * | 1995-04-24 | 1996-05-21 | Brannon; James K. | Syringe apparatus for separating blood and method for using same |
ATE206625T1 (en) * | 1995-11-09 | 2001-10-15 | Disetronic Licensing Ag | INJECTION DEVICE FOR ACQUIRING A LIQUID MEDICATION |
US6050957A (en) * | 1998-07-01 | 2000-04-18 | Desch; Larry W. | Multiple-draw, variable suction syringe |
-
1996
- 1996-12-06 FR FR9614994A patent/FR2756811B1/en not_active Expired - Fee Related
-
1997
- 1997-12-03 DE DE69720504T patent/DE69720504T2/en not_active Expired - Fee Related
- 1997-12-03 JP JP52527898A patent/JP2001505482A/en active Pending
- 1997-12-03 US US09/319,226 patent/US6221054B1/en not_active Expired - Fee Related
- 1997-12-03 EP EP97948984A patent/EP0941147B1/en not_active Expired - Lifetime
- 1997-12-03 WO PCT/FR1997/002183 patent/WO1998024556A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0941147A1 (en) | 1999-09-15 |
DE69720504D1 (en) | 2003-05-08 |
DE69720504T2 (en) | 2003-12-24 |
FR2756811A1 (en) | 1998-06-12 |
FR2756811B1 (en) | 1999-02-05 |
US6221054B1 (en) | 2001-04-24 |
WO1998024556A1 (en) | 1998-06-11 |
JP2001505482A (en) | 2001-04-24 |
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