EP1513617B1 - Device for dispensing several fluids comprising at least two flexible bags and two pumps - Google Patents
Device for dispensing several fluids comprising at least two flexible bags and two pumps Download PDFInfo
- Publication number
- EP1513617B1 EP1513617B1 EP03760049A EP03760049A EP1513617B1 EP 1513617 B1 EP1513617 B1 EP 1513617B1 EP 03760049 A EP03760049 A EP 03760049A EP 03760049 A EP03760049 A EP 03760049A EP 1513617 B1 EP1513617 B1 EP 1513617B1
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- European Patent Office
- Prior art keywords
- bags
- rigid container
- anyone
- pumps
- bag
- 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.)
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Classifications
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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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
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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
- B05B11/026—Membranes 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
- B05B11/1084—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping each liquid or other fluent material being pumped by a separate pump
- B05B11/1085—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping each liquid or other fluent material being pumped by a separate pump the pumps being coaxial
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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
Definitions
- the present invention relates to a new device for packaging and dispensing fluid products, and more particularly to a device for packaging and dispensing fluid, liquid or pasty products, of the type comprising at least two flexible bags placed in the same rigid container, and associated with at least two pumps, ensuring, in good conditions of efficiency, the separate storage of at least two fluid products protected from the air and their distribution, separately.
- the patent application FR-A-28 33,577 in the name of the applicant, describes a device of the pocket-bottle type comprising two pockets placed in parallel in the same bottle, associated with two extraction pumps and one or two pushers to operate the pumps.
- this device comprises two independent pushers each acting on a pump, so that the user can choose to operate only one of the two pushers to dispense the fluid of his choice.
- the two pushers being placed next to each other, the user can confuse them and operate by mistake one instead of the other, or inadvertently cause the movement of the second push button by operating the first if his finger is not properly placed on it.
- Fluid conditioning and dispensing devices of this type are well known. They generally comprise a rigid shell container in which is placed a flexible bag which retracts as the product is extracted.
- the expulsion of the product out of the bag can be obtained by means of a pump without air intake, or "airless", or under the pressure of a propellant gas acting on the wall of the bag, in the bottle.
- a vent is provided, generally in the bottom or in the neck of the bottle, to allow the outside air to penetrate in the space between the bottle and the bag each time the pump is actuated and thus allow the bag to retract while maintaining sufficient pressure on its walls.
- An embodiment according to this technique is described in the patent FR 2.723.356 relating to a device comprising a flexible plastic bag, such as polyethylene or polypropylene, in a rigid container whose neck has an air inlet.
- the present invention specifically relates to a device for packaging and dispensing fluid products, liquid or pasty, of the type comprising at least two flexible flexible bags placed in the same single rigid container, associated with at least two pumps, ensuring effective distribution of both products, separately.
- the invention also relates to a device for packaging and dispensing a plurality of fluid products each contained in a separate bag, providing a very good ease of filling bags without the need to resort to complex or specially adapted tools.
- the subject of the invention is also a device for packaging and dispensing a plurality of fluid products, of the type comprising at least two flexible flexible bags placed in the same single rigid container, ensuring perfect packaging of the product by means of an excellent sealing of the pockets and pumps.
- the invention finally relates to a device of the type indicated above, which can be manufactured in good conditions of profitability.
- the device for packaging and dispensing fluid products according to the present invention is of the type comprising at least two flexible flexible bags placed in the same single rigid container, associated with at least one pump, and it is distinguished in that the rigid container is constituted by an open cylinder and the pockets are each provided with a pump and a pusher, and are mounted in opposition on each opening of the cylinder.
- the bags are fixed by their neck on the openings of the rigid container, each pocket is fixed on each of the two opposite openings of the rigid cylindrical container and, preferably, the bags are fixed to the container via of a ring. It may be advantageous to provide that the ring is incorporated in the neck of the pocket.
- the cylinder forming the rigid container is in one piece, and a pocket is attached to each of its openings.
- the cylinder consists of two cylindrical elements assembled end to end.
- the open cylinder constituting the rigid container may be made in one part, or in two parts, for example two cylinders assembled by their base, by gluing, latching, screwing, welding or any other fastening means appropriate.
- the cylinder constituting the rigid container may have any cross section, for example circular or polygonal.
- the pockets can have any shape, adapted to that of the rigid container.
- the pockets, and the rigid container which contains them have a cylindrical shape on a polygonal, elliptical or circular base.
- Such a cylindrical shape can be easily made, as indicated below, by blowing or injection-blowing the bag, and by this technique the shape of the bag can be adapted to that of the rigid container, which has the consequence that the Volume losses are reduced to a minimum.
- the pumps used in the invention are pumps without air intake, type "airless”, as commonly used in the art. These pumps are generally made of plastic material such as polyethylene or polypropylene.
- the pumps are preferably dual-valve, which gives them a good seal and satisfactory operation regardless of the position of the rigid container.
- the pump generally comprises a first valve at the inlet of the metering chamber, and a second valve at the outlet, for example at the inlet of the exhaust duct.
- each pocket is preferably attached to the container via a ring, to which it is affixed in a conventional manner, for example by interlocking, gluing or welding.
- the ring and the pocket can be made in one piece.
- the plastics used for the manufacture of the bags may be chosen for example from polyethylene, polypropylene, polyamide, ethylene and vinyl alcohol copolymer (EVOH), low density polyethylene, etc. They may be monolayer materials or multilayer complexes including a metal layer, for example an aluminum layer forming a barrier reinforcing the seal, combined with one or more layers of plastic material.
- the manufacture of the bag from these materials can be carried out by techniques such as injection blow molding or extrusion blow molding of a parison in a suitable mold. It is also possible to manufacture the bag by welding a plastic or metal film, or a metal / plastic multilayer complex on a support forming the neck of the pocket.
- each of the bags is made of a material adapted to the product it contains, and the device may therefore comprise at least two bags formed in different materials.
- the first pouch can be made of low density polyethylene and contain a cream that is not very sensitive to the effects of the external medium, while the second pouch contains a more fragile product and can be made of a polyamide providing better protection. against the effects of oxygen and against the evaporation loss of water vapor.
- the material used for the ring may be a plastic material of the same kind as that used for the bag, treated so as to confer sufficient rigidity, for example by using a greater thickness of material. It is thus possible to use polyethylene or polypropylene rings, the ring and the pockets being able to be manufactured in one piece, by injection blow molding or any other appropriate technique.
- the rigid container may be made of plastic or any suitable rigid material. For example, rigid containers made of polypropylene, polyethylene terephthalate (PET), acrylonitrile butadiene styrene (ABS), glass or metal such as aluminum or an aluminum alloy can be made.
- the dosing chamber of each pump then being preferably adapted to the volume of the corresponding bag.
- the dosing chamber of each pump may be proportional to the volume of the corresponding bag. This is particularly advantageous in the case of dispensing complementary fluid products which must be used in specific amounts.
- a rigid container device and two flexible bags, each communicating with a pump, according to the invention can be adapted to the mixing ratio of the two products contained in the pockets, and if this ratio must be for example 2/1, it can be expected that the volume of the second bag is equal to half of that of the first, and the same for the volume of the dosing chamber of the second pump relative to the first.
- the pockets being placed joined by their bottom in the same rigid container, the volume of the latter is used integrally, without dead volume, even if the pockets have different volumes.
- an outside air supply is provided in the form of a vent or an air suction circuit so that the bags can retract inside the rigid container.
- the vent is provided in the wall of the rigid container, and it can be provided with a valve and / or a filter.
- One or more vents may be provided.
- the air circuit is constituted by a passage arranged in the edge of the fixing ring of each of the pumps, communicating with the space between the pumps and the pusher.
- the air circuit allowing outside air to enter the volume between the wall of the rigid container and the pockets, is preferably designed to remain closed as long as the fluid is kept in each pocket and not open each time the pumps are operated so as to allow only one volume of air equivalent to the volume of fluid expelled from each pocket.
- the air circuit is automatically closed, which ensures optimal preservation of the products contained in the pockets by limiting evaporation through the wall of the pockets. It therefore comprises closing means closing the circuit as the pumps are not actuated.
- the air circuit may comprise shutter means constituted by valves, which remain closed until the pump is actuated.
- the two-pocket device according to the present invention has the advantage of being easily filled without the need for complex tooling. It is possible to fill simultaneously the two pockets, to set up the pumps on each pocket, then to place each of the full pockets on the rigid container, or conversely to fix the two pockets on the rigid container, preferably by means of rings , fill the first pocket and fix the corresponding pump, then fill the second pocket and fix the second pump after turning the device. According to the present invention, the filling can be carried out with standard tools, by simple gravity, which ensures a very good regularity of filling.
- each pocket retracts regularly, limiting the risk of cracking or tearing.
- the rate of release of the product that is to say the ratio between the volume of product introduced into the bag during filling and the volume extracted during use, is excellent, and can be greater than 90%.
- the device according to the present invention is particularly useful in the fields of application where two products must be used independently, for example alternately, such as that of cosmetic or dermatological compositions, such as creams and gels, where it may be useful to use a first product at a fixed period and a second product at another period, for example a day cream and a night cream.
- cosmetic or dermatological compositions such as creams and gels
- part of the rigid container of opaque material and the other of translucent or transparent material, especially when the container is constituted by the assembly of two cylinders by their bases.
- the device of the pocket-bottle type represented on the Figure 1 comprises a rigid container (1) of cylindrical shape whose two ends are masked by two covers (2a, 2b).
- the rigid container (1) and the covers (2a, 2b) are made of polypropylene.
- Two polypropylene injection-molded flexible bags (3a, 3b) are inserted into the container (1) to which they are attached via the rings (4a, 4b).
- the rings are secured to the wall of the container (1) by a known technique, for example by fitting through a rib on the periphery of each ring, cooperating with a groove formed in the inner wall of the container.
- the pockets are assembled to the rings by interlocking their neck in the central hole of the ring, in known manner.
- a pump (5a, 5b) of the type without air intake is placed on the neck of each pocket, by interlocking according to a conventional technique.
- Each of these pumps can be actuated by a pusher (6a, 6b), an outlet nozzle (7a, 7b) being provided for the expulsion of the product at each actuation of the pumps when the covers (2a, 2b) have been removed by the user.
- An air inlet circuit (8a, 8b) is provided on the edge of each ring (4a, 4b) so that air can penetrate in the volume between the pockets and the inner wall of the rigid container (1) each actuation of one or other of the pushers.
- the user removes one or the other of the two covers (2a, 2b) and presses the corresponding pusher to obtain the product of his choice coming out of one or the other of the two pockets (3a ) or (3b).
- the container (1) can be formed of two cylinders (1a, 1b) of the same diameter.
- the cylinder (1a) contains the pocket (9a) of smaller volume than the pocket (9b) contained in the cylinder (1b).
- the two cylinders (1a, 1b) are assembled by their base, by interlocking, thanks to grooves (10, 11) at the base of the cylinder (1a) and the cylinder (1b) respectively, cooperating with an annular rib (12) provided on the edge of the reinforcing disk (13) placed between the pockets.
- the disk (13) facilitates the holding in place of the assembly.
- each of the two cylinders (1a) and (1b) is of a different color in order to clearly identify the two products contained in the pockets.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Sampling And Sample Adjustment (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Nozzles (AREA)
- External Artificial Organs (AREA)
Abstract
Description
La présente invention concerne un nouveau dispositif de conditionnement et de distribution de produits fluides, et plus particulièrement un dispositif de conditionnement et de distribution de produits fluides, liquides ou pâteux, du type comportant au moins deux poches souples placées dans un même récipient rigide, et associées à au moins deux pompes, assurant, dans de bonnes conditions d'efficacité, le stockage séparé d'au moins deux produits fluides à l'abri de l'air et leur distribution, séparément.The present invention relates to a new device for packaging and dispensing fluid products, and more particularly to a device for packaging and dispensing fluid, liquid or pasty products, of the type comprising at least two flexible bags placed in the same rigid container, and associated with at least two pumps, ensuring, in good conditions of efficiency, the separate storage of at least two fluid products protected from the air and their distribution, separately.
Dans la technique de la distribution de produits fluides, on connaît des distributeurs à plusieurs compartiments qui permettent de conserver plusieurs produits séparément, pour éviter par exemple qu'ils ne réagissent entre eux, afin de ne les mélanger qu'au moment de leur utilisation. Ainsi, la demande
On connaît aussi des dispositifs permettant la distribution séparée de deux ou plusieurs produits fluides, selon le choix de l'utilisateur. Par exemple, la demande de brevet
Or il est souvent souhaitable de pouvoir proposer à l'utilisateur un dispositif contenant au moins deux produits conditionnés séparément et pouvant être distribués indépendamment l'un de l'autre avec un minimum de risque de confusion.However, it is often desirable to be able to offer the user a device containing at least two products packaged separately and can be distributed independently of one another with a minimum of risk of confusion.
La demanderesse a constaté que cet objectif pouvait être atteint en associant de manière appropriée certaines pompes d'extraction de produits fluides associées à des poches et à un récipient rigide, du type flacon-poche.The Applicant has found that this objective could be achieved by appropriately combining certain fluid extraction pumps associated with pockets and a rigid container of the pocket-bottle type.
Les dispositifs de conditionnement et de distribution de fluide de ce type sont bien connus. Ils comportent généralement un récipient à coque rigide dans lequel est placée une poche souple qui se rétracte au fur et à mesure que le produit en est extrait. L'expulsion du produit hors de la poche peut être obtenue au moyen d'une pompe sans reprise d'air, ou "airless", ou sous la pression d'un gaz propulseur agissant sur la paroi de la poche, dans le flacon. Dans le cas de l'expulsion du produit hors de la poche au moyen d'une pompe sans reprise d'air, un évent est prévu, généralement dans le fond ou dans le col du flacon, pour permettre à l'air extérieur de pénétrer dans l'espace situé entre le flacon et la poche à chaque actionnement de la pompe et permettre ainsi à la poche de se rétracter en maintenant une pression suffisante sur ses parois. Un exemple de réalisation suivant cette technique est décrit dans le brevet
La présente invention a précisément pour objet un dispositif de conditionnement et de distribution de produits fluides, liquides ou pâteux, du type comportant au moins deux poches souples étanches placées dans un même récipient rigide unique, associées à au moins deux pompes, assurant une distribution efficace de l'un et l'autre des deux produits, séparément.The present invention specifically relates to a device for packaging and dispensing fluid products, liquid or pasty, of the type comprising at least two flexible flexible bags placed in the same single rigid container, associated with at least two pumps, ensuring effective distribution of both products, separately.
L'invention a aussi pour objet un dispositif de conditionnement et de distribution de plusieurs produits fluides contenus chacun dans une poche séparée, offrant une très bonne facilité de remplissage des poches sans qu'il soit nécessaire de recourir à un outillage complexe ou spécialement adapté.The invention also relates to a device for packaging and dispensing a plurality of fluid products each contained in a separate bag, providing a very good ease of filling bags without the need to resort to complex or specially adapted tools.
L'invention a encore pour objet un dispositif de conditionnement et de distribution de plusieurs produits fluides, du type comportant au moins deux poches souples étanches placées dans un même récipient rigide unique, assurant un parfait conditionnement du produit au moyen d'une excellente étanchéité des poches et des pompes.The subject of the invention is also a device for packaging and dispensing a plurality of fluid products, of the type comprising at least two flexible flexible bags placed in the same single rigid container, ensuring perfect packaging of the product by means of an excellent sealing of the pockets and pumps.
L'invention a enfin pour objet un dispositif du type indiqué ci-dessus, qui peut être fabriqué dans de bonnes conditions de rentabilité.The invention finally relates to a device of the type indicated above, which can be manufactured in good conditions of profitability.
Le dispositif de conditionnement et de distribution de produits fluides suivant la présente invention est du type comportant au moins deux poches souples étanches placées dans un même récipient rigide unique, associées à au moins une pompe, et il se distingue en ce que le récipient rigide est constitué par un cylindre ouvert et les poches sont munies chacune d'une pompe et d'un poussoir, et sont montées en opposition sur chaque ouverture du cylindre.The device for packaging and dispensing fluid products according to the present invention is of the type comprising at least two flexible flexible bags placed in the same single rigid container, associated with at least one pump, and it is distinguished in that the rigid container is constituted by an open cylinder and the pockets are each provided with a pump and a pusher, and are mounted in opposition on each opening of the cylinder.
Suivant une forme avantageuse de réalisation, les poches sont fixées par leur col sur les ouvertures du récipient rigide, chaque poche est fixée sur chacune des deux ouvertures opposées du récipient rigide cylindrique et, de préférence, les poches sont fixées au récipient par l'intermédiaire d'une bague. Il peut être avantageux de prévoir que la bague est incorporée au col de la poche.According to an advantageous embodiment, the bags are fixed by their neck on the openings of the rigid container, each pocket is fixed on each of the two opposite openings of the rigid cylindrical container and, preferably, the bags are fixed to the container via of a ring. It may be advantageous to provide that the ring is incorporated in the neck of the pocket.
Suivant une forme de réalisation de l'invention, le cylindre formant le récipient rigide est monobloc, et une poche est fixée à chacune de ses ouvertures.According to one embodiment of the invention, the cylinder forming the rigid container is in one piece, and a pocket is attached to each of its openings.
Suivant une autre forme de réalisation, le cylindre est constitué de deux éléments cylindriques assemblés bout à bout.According to another embodiment, the cylinder consists of two cylindrical elements assembled end to end.
Comme indiqué ci-dessus, le cylindre ouvert constituant le récipient rigide peut être réalisé en une seule partie, ou en deux parties, par exemple en deux cylindres assemblés par leur base, par collage, encliquetage, vissage, soudage ou tout autre moyen de fixation approprié. Le cylindre constituant le récipient rigide peut avoir une section quelconque, par exemple circulaire ou polygonale.As indicated above, the open cylinder constituting the rigid container may be made in one part, or in two parts, for example two cylinders assembled by their base, by gluing, latching, screwing, welding or any other fastening means appropriate. The cylinder constituting the rigid container may have any cross section, for example circular or polygonal.
L'un des avantages de la présente invention est que les poches peuvent avoir une forme quelconque, adaptée à celle du récipient rigide. De manière avantageuse, les poches, et le récipient rigide qui les contient, ont une forme cylindrique sur base polygonale, elliptique ou circulaire. Une telle forme cylindrique peut être aisément réalisée, comme indiqué ci-dessous, par soufflage ou injection-soufflage de la poche, et par cette technique la forme de la poche peut être adaptée à celle du récipient rigide, ce qui a pour conséquence que les pertes de volume sont réduites au minimum.One of the advantages of the present invention is that the pockets can have any shape, adapted to that of the rigid container. Advantageously, the pockets, and the rigid container which contains them, have a cylindrical shape on a polygonal, elliptical or circular base. Such a cylindrical shape can be easily made, as indicated below, by blowing or injection-blowing the bag, and by this technique the shape of the bag can be adapted to that of the rigid container, which has the consequence that the Volume losses are reduced to a minimum.
Les pompes utilisées dans l'invention sont des pompes sans reprise d'air, de type "airless", telles que couramment utilisées dans la technique. Ces pompes sont généralement réalisées en matière plastique telle que polyéthylène ou polypropylène.The pumps used in the invention are pumps without air intake, type "airless", as commonly used in the art. These pumps are generally made of plastic material such as polyethylene or polypropylene.
Les pompes sont de préférence à double clapet, ce qui leur confère une bonne étanchéité et un fonctionnement satisfaisant quelle que soit la position du récipient rigide. Ainsi, la pompe comporte généralement un premier clapet à l'entrée de la chambre de dosage, et un deuxième clapet à la sortie, par exemple à l'entrée du conduit d'évacuation.The pumps are preferably dual-valve, which gives them a good seal and satisfactory operation regardless of the position of the rigid container. Thus, the pump generally comprises a first valve at the inlet of the metering chamber, and a second valve at the outlet, for example at the inlet of the exhaust duct.
Comme indiqué ci-dessus, chaque poche est de préférence fixée au récipient par l'intermédiaire d'une bague, à laquelle elle est fixée de manière conventionnelle, par exemple par emboîtement, par collage ou par soudage. Suivant une forme de réalisation, la bague et la poche peuvent être faites en une seule pièce.As indicated above, each pocket is preferably attached to the container via a ring, to which it is affixed in a conventional manner, for example by interlocking, gluing or welding. According to one embodiment, the ring and the pocket can be made in one piece.
Les matières plastiques utilisées pour la fabrication des poches peuvent être choisies par exemple parmi un polyéthylène, un polypropylène, un polyamide, un copolymère d'éthylène et d'alcool vinylique (EVOH), un polyéthylène basse densité, etc. Il peut s'agir de matières monocouches ou de complexes multicouches incluant une couche métallique, par exemple une couche d'aluminium formant barrière renforçant l'étanchéité, combinée à une ou plusieurs couches de matière plastique. La fabrication de la poche à partir de ces matières peut être effectuée par des techniques telles que l'injection soufflage ou l'extrusion soufflage d'une paraison dans un moule adapté. On peut également fabriquer la poche par soudage d'un film plastique ou métallique, ou d'un complexe multicouche métal / plastique sur un support formant le col de la poche.The plastics used for the manufacture of the bags may be chosen for example from polyethylene, polypropylene, polyamide, ethylene and vinyl alcohol copolymer (EVOH), low density polyethylene, etc. They may be monolayer materials or multilayer complexes including a metal layer, for example an aluminum layer forming a barrier reinforcing the seal, combined with one or more layers of plastic material. The manufacture of the bag from these materials can be carried out by techniques such as injection blow molding or extrusion blow molding of a parison in a suitable mold. It is also possible to manufacture the bag by welding a plastic or metal film, or a metal / plastic multilayer complex on a support forming the neck of the pocket.
Suivant une variante avantageuse de réalisation de l'invention, chacune des poches est réalisée en une matière adaptée au produit qu'elle contient, et le dispositif peut donc comporter au moins deux poches formées dans des matières différentes. A titre d'exemple, la première poche peut être réalisée en polyéthylène basse densité et contenir une crème peu sensible aux effets du milieu extérieur, tandis que la deuxième poche contient un produit plus fragile et peut être réalisée en un polyamide procurant une meilleure protection contre les effets de l'oxygène et contre la perte par évaporation de la vapeur d'eau.According to an advantageous embodiment of the invention, each of the bags is made of a material adapted to the product it contains, and the device may therefore comprise at least two bags formed in different materials. By way of example, the first pouch can be made of low density polyethylene and contain a cream that is not very sensitive to the effects of the external medium, while the second pouch contains a more fragile product and can be made of a polyamide providing better protection. against the effects of oxygen and against the evaporation loss of water vapor.
La matière utilisée pour la bague peut être une matière plastique de même nature que celle utilisée pour la poche, traitée de manière à lui conférer une rigidité suffisante, par exemple en utilisant une plus grande épaisseur de matière. On peut ainsi utiliser des bagues en polyéthylène ou en polypropylène, la bague et les poches pouvant être fabriquées en une seule pièce, par injection soufflage ou toute autre technique appropriée. Le récipient rigide peut être fabriqué en matière plastique ou en tout matériau rigide approprié. On peut par exemple fabriquer des récipients rigides en polypropylène, en téréphtalate de polyéthylène (PET), en acrylonitrile butadiène styrène (ABS), en verre ou en métal tel que l'aluminium ou un alliage d'aluminium.The material used for the ring may be a plastic material of the same kind as that used for the bag, treated so as to confer sufficient rigidity, for example by using a greater thickness of material. It is thus possible to use polyethylene or polypropylene rings, the ring and the pockets being able to be manufactured in one piece, by injection blow molding or any other appropriate technique. The rigid container may be made of plastic or any suitable rigid material. For example, rigid containers made of polypropylene, polyethylene terephthalate (PET), acrylonitrile butadiene styrene (ABS), glass or metal such as aluminum or an aluminum alloy can be made.
Suivant la présente invention, on peut associer deux poches identiques, ou des poches de volumes différents, la chambre de dosage de chaque pompe étant alors de préférence adaptée au volume de la poche correspondante. Par exemple, la chambre de dosage de chaque pompe peut être proportionnelle au volume de la poche correspondante. Ceci est particulièrement avantageux dans le cas de la distribution de produits fluides complémentaires qui doivent être utilisés en quantités déterminées. Ainsi, un dispositif à récipient rigide et deux poches souples, chacune communiquant avec une pompe, suivant l'invention peut être adapté au rapport de mélange des deux produits contenus dans les poches, et si ce rapport doit être par exemple de 2/1, on peut prévoir que le volume de la deuxième poche est égal à la moitié de celui de la première, et de même pour le volume de la chambre de dosage de la deuxième pompe par rapport à la première.According to the present invention, it is possible to combine two identical bags, or pockets of different volumes, the dosing chamber of each pump then being preferably adapted to the volume of the corresponding bag. For example, the dosing chamber of each pump may be proportional to the volume of the corresponding bag. This is particularly advantageous in the case of dispensing complementary fluid products which must be used in specific amounts. Thus, a rigid container device and two flexible bags, each communicating with a pump, according to the invention can be adapted to the mixing ratio of the two products contained in the pockets, and if this ratio must be for example 2/1, it can be expected that the volume of the second bag is equal to half of that of the first, and the same for the volume of the dosing chamber of the second pump relative to the first.
De plus, les poches étant placées jointives par leur fond dans le même récipient rigide, le volume de ce dernier est utilisé intégralement, sans volume mort, même si les poches ont des volumes différents.In addition, the pockets being placed joined by their bottom in the same rigid container, the volume of the latter is used integrally, without dead volume, even if the pockets have different volumes.
Comme pour tous les dispositifs du type flacon-poche, une arrivée d'air extérieur est prévue sous forme d'un évent ou d'un circuit d'aspiration d'air pour que les poches puissent se rétracter à l'intérieur du récipient rigide.As with all pocket-type devices, an outside air supply is provided in the form of a vent or an air suction circuit so that the bags can retract inside the rigid container. .
Suivant une forme simple de réalisation, l'évent est prévu dans la paroi du récipient rigide, et il peut être muni d'un clapet et/ou d'un filtre. Un ou plusieurs évents peuvent être prévus.According to a simple embodiment, the vent is provided in the wall of the rigid container, and it can be provided with a valve and / or a filter. One or more vents may be provided.
Suivant une forme préférentielle de réalisation, le circuit d'air est constitué par un passage aménagé dans le bord de la bague de fixation de chacune des pompes, communiquant avec l'espace entre les pompes et le poussoir.According to a preferred embodiment, the air circuit is constituted by a passage arranged in the edge of the fixing ring of each of the pumps, communicating with the space between the pumps and the pusher.
Le circuit d'air, permettant à l'air extérieur de pénétrer dans le volume situé entre la paroi du récipient rigide et les poches, est de préférence conçu de manière à rester fermé tant que le fluide est conservé dans chaque poche et à ne s'ouvrir qu'à chaque actionnement des pompes de manière à ne laisser entrer qu'un volume d'air équivalent au volume de fluide expulsé de chaque poche. En fin d'actionnement des pompes, le circuit d'air se trouve automatiquement fermé, ce qui assure une préservation optimale des produits contenus dans les poches en limitant l'évaporation à travers la paroi des poches. Il comprend donc des moyens d'obturation fermant le circuit tant que les pompes ne sont pas actionnées. Par exemple, le circuit d'air peut comporter des moyens d'obturation constitués par des clapets, qui restent fermés tant que la pompe n'est pas actionnée.The air circuit, allowing outside air to enter the volume between the wall of the rigid container and the pockets, is preferably designed to remain closed as long as the fluid is kept in each pocket and not open each time the pumps are operated so as to allow only one volume of air equivalent to the volume of fluid expelled from each pocket. At the end of actuation of the pumps, the air circuit is automatically closed, which ensures optimal preservation of the products contained in the pockets by limiting evaporation through the wall of the pockets. It therefore comprises closing means closing the circuit as the pumps are not actuated. For example, the air circuit may comprise shutter means constituted by valves, which remain closed until the pump is actuated.
Le dispositif à deux poches suivant la présente invention présente l'avantage de pouvoir être facilement rempli sans qu'il soit nécessaire de disposer d'un outillage complexe. Il est possible de remplir simultanément les deux poches, de mettre en place les pompes sur chaque poche, puis de placer chacune des poches pleines sur le récipient rigide, ou inversement de fixer les deux poches sur le récipient rigide, de préférence au moyen de bagues, de remplir la première poche et de fixer la pompe correspondante, puis de remplir la deuxième poche et fixer la deuxième pompe après avoir retourné le dispositif. Conformément à la présente invention, le remplissage peut s'effectuer avec un outillage standard, par simple gravité, ce qui assure une très bonne régularité de remplissage.The two-pocket device according to the present invention has the advantage of being easily filled without the need for complex tooling. It is possible to fill simultaneously the two pockets, to set up the pumps on each pocket, then to place each of the full pockets on the rigid container, or conversely to fix the two pockets on the rigid container, preferably by means of rings , fill the first pocket and fix the corresponding pump, then fill the second pocket and fix the second pump after turning the device. According to the present invention, the filling can be carried out with standard tools, by simple gravity, which ensures a very good regularity of filling.
Diverses mentions et dessins peuvent être apposés sur la poche ou sur le récipient rigide, par exemple par impression ou sérigraphie, suivant l'utilisation envisagée.Various mentions and drawings may be affixed to the pocket or the rigid container, for example by printing or screen printing, depending on the intended use.
Lors de son utilisation et de l'extraction des produits qui y sont contenus, chaque poche se rétracte régulièrement en limitant les risques de fissuration ou de déchirure.During its use and the extraction of the products contained therein, each pocket retracts regularly, limiting the risk of cracking or tearing.
Le taux de restitution du produit, c'est-à-dire le rapport entre le volume de produit introduit dans la poche lors du remplissage et le volume extrait au cours de l'utilisation, est excellent, et peut être supérieur à 90 %.The rate of release of the product, that is to say the ratio between the volume of product introduced into the bag during filling and the volume extracted during use, is excellent, and can be greater than 90%.
Le dispositif conforme à la présente invention est particulièrement utile dans les domaines d'application où deux produits doivent être utilisés indépendamment, par exemple en alternance, comme celui des compositions cosmétiques ou dermatologiques, telles que crèmes et gels, où il peut être utile d'utiliser, un premier produit à une période déterminée et un deuxième produit à une autre période, par exemple une crème de jour et une crème de nuit. Dans un tel exemple d'utilisation, il est tout particulièrement intéressant de pouvoir différencier clairement le conditionnement en utilisant des couleurs différenciées, non seulement pour les poussoirs, mais aussi pour les parties du récipient rigide correspondant à chaque volume de poche. Il est également possible de réaliser une partie du récipient rigide en matière opaque et l'autre en matière translucide ou transparente, notamment lorsque le récipient est constitué par l'assemblage de deux cylindres par leurs bases.The device according to the present invention is particularly useful in the fields of application where two products must be used independently, for example alternately, such as that of cosmetic or dermatological compositions, such as creams and gels, where it may be useful to use a first product at a fixed period and a second product at another period, for example a day cream and a night cream. In such an example of use, it is particularly advantageous to be able to clearly differentiate the packaging using differentiated colors, not only for the pushbuttons, but also for the parts of the rigid container corresponding to each pocket volume. It is also possible to make part of the rigid container of opaque material and the other of translucent or transparent material, especially when the container is constituted by the assembly of two cylinders by their bases.
Plusieurs exemples non limitatifs de réalisation de poches et de flacons adaptés, formant des dispositif de conditionnement et de distribution de deux fluides, conformément à la présente invention, sont décrits plus en détail ci-après, en référence aux dessins annexés, qui représentent :
-
Figure 1 : une vue schématique en coupe d'un ensemble comprenant deux poches, leur pompe et leur poussoir respectifs, maintenues par une bague, et montées en opposition sur un même récipient rigide. -
Figure 2 : une vue en coupe d'une variante du dispositif de laFigure 1 , comportant des poches de volumes différents dans un récipient rigide constitué par deux cylindres ouverts assemblés par leur base.
-
Figure 1 : A schematic sectional view of an assembly comprising two pockets, their respective pump and pusher, held by a ring, and mounted in opposition on the same rigid container. -
Figure 2 : a sectional view of a variant of the device of theFigure 1 , comprising pockets of different volumes in a rigid container consisting of two open cylinders assembled by their base.
Le dispositif du type flacon-poche représenté sur la
Les bagues sont solidarisées avec la paroi du récipient (1) par une technique connue, par exemple par emboîtement grâce à une nervure sur la périphérie de chaque bague, coopérant avec une rainure formée dans la paroi interne du récipient. Les poches sont assemblées aux bagues par emboîtement de leur col dans le trou central de la bague, de manière connue.The rings are secured to the wall of the container (1) by a known technique, for example by fitting through a rib on the periphery of each ring, cooperating with a groove formed in the inner wall of the container. The pockets are assembled to the rings by interlocking their neck in the central hole of the ring, in known manner.
Une pompe (5a, 5b) du type sans reprise d'air, est mise en place sur le col de chaque poche, par emboîtement suivant une technique classique. Chacune de ces pompes peut être actionnée par un poussoir (6a, 6b), une buse de sortie (7a, 7b) étant prévue pour l'expulsion du produit à chaque actionnement des pompes lorsque les capots (2a, 2b) ont été enlevés par l'utilisateur.A pump (5a, 5b) of the type without air intake, is placed on the neck of each pocket, by interlocking according to a conventional technique. Each of these pumps can be actuated by a pusher (6a, 6b), an outlet nozzle (7a, 7b) being provided for the expulsion of the product at each actuation of the pumps when the covers (2a, 2b) have been removed by the user.
Un circuit d'entrée d'air (8a, 8b) est prévu sur le bord de chaque bague (4a, 4b) pour que de l'air puisse pénétrer dans le volume entre les poches et la paroi interne du récipient rigide (1) à chaque actionnement de l'un ou l'autre des poussoirs.An air inlet circuit (8a, 8b) is provided on the edge of each ring (4a, 4b) so that air can penetrate in the volume between the pockets and the inner wall of the rigid container (1) each actuation of one or other of the pushers.
Pour utiliser le dispositif, l'utilisateur enlève l'un ou l'autre des deux capots (2a, 2b) et presse le poussoir correspondant pour obtenir le produit de son choix sortant de l'une ou l'autre des deux poches (3a) ou (3b).To use the device, the user removes one or the other of the two covers (2a, 2b) and presses the corresponding pusher to obtain the product of his choice coming out of one or the other of the two pockets (3a ) or (3b).
Comme le montre la
Les deux cylindres (1a, 1b) sont assemblés par leur base, par emboîtement, grâce à des rainures (10, 11) à la base du cylindre (1a) et du cylindre (1b) respectivement, coopérant avec une nervure annulaire (12) prévue sur le chant du disque de renforcement (13) placé entre les poches. Le disque (13) facilite le maintien en place de l'ensemble.The two cylinders (1a, 1b) are assembled by their base, by interlocking, thanks to grooves (10, 11) at the base of the cylinder (1a) and the cylinder (1b) respectively, cooperating with an annular rib (12) provided on the edge of the reinforcing disk (13) placed between the pockets. The disk (13) facilitates the holding in place of the assembly.
De préférence, chacun des deux cylindres (1a) et (1b) est d'une couleur différente afin d'identifier clairement les deux produits contenus dans les poches.Preferably, each of the two cylinders (1a) and (1b) is of a different color in order to clearly identify the two products contained in the pockets.
Claims (16)
- A device for packaging and dispensing fluid products, of the type comprising at least two sealed flexible bags (3a, 3b) placed in the same single rigid container (1), associated with at least one pump (5a, 5b), characterized in that the rigid container (1) consists of an open cylinder and the bags (3a, 3b) are each equipped with a pump (5a, 5b) and with a push-button (6a, 6b), and are mounted in opposition on each opening of the cylinder.
- The device according to claim 1, characterized in that the bags (3a, 3b) are fastened via their neck on the openings of 10 the rigid container (1).
- The device according to either of the preceding claims, characterized in that a bag (3a, 3b) is fastened on each of the two opposite openings of the cylindrical rigid container (1).
- The device according to anyone of the preceding claims, characterized in that it comprises at least two bags (3a, 3b) formed from different materials adapted to the product contained in each bag.
- The device according to anyone of claims 1 to 4, characterized in that the bags (3a, 3b) are produced by injection-blow molding or extrusion-blow molding a material selected from a polyethylene, a polypropylene, a polyamide, an ethylene/vinyl alcohol (EVOH) copolymer, and a low-density polyethylene.
- The device according to anyone of claims 1 to 4, characterized in that the bags (3a, 3b) are produced by welding a plastic or metal film or a multilayer metal/plastic complex on a support forming the neck of the bag.
- The device according to anyone of claims 3 to 6, characterized in that the bags (3a, 3b) are fastened to the container by means of a ring (4a, 4b).
- The device according to claim 7, characterized in that the ring (4a, 4b) is incorporated into the neck of the bag (3a, 3b).
- The device according to either claim 7 or 8, characterized in that it comprises an air circuit (8a, 8b) consisting of a passage made in the rim of the fastening ring (4a, 4b) of each of the pumps (5a, 5b), communicating with the space between the pumps and the push-button (6a, 6b).
- The device according to claim 9, characterized in that it comprises closure means closing the circuit when the pumps (5a, 5b) are not actuated.
- The device according to claim 1, characterized in that the cylinder forming the rigid container (1) is monobloc.
- The device according to claim 1, characterized in that the cylinder consists of two elements (1a, 1b) assembled end to end.
- The device according to claim 11, characterized in that the two elements (1a, 1b) are assembled via their base by means of adhesive bonding, snap-fitting, screwing or welding.
- The device according to anyone of the preceding claims, characterized in that it comprises two bags (9a, 9b) of different volumes.
- The device according to anyone of the preceding claims, characterized in that the metering chamber of each pump (5a, 5b) is proportional to the volume of the corresponding bag.
- The device according to anyone of the preceding claims, characterized in that the bags (9a, 9b), and the rigid container (1) containing them, have a cylindrical shape on a polygonal, elliptical or circular base.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0207487A FR2840888B1 (en) | 2002-06-18 | 2002-06-18 | DEVICE FOR DISPENSING MULTIPLE FLUIDS COMPRISING AT LEAST TWO FLEXIBLE POCKETS AND TWO PUMPS |
FR0207487 | 2002-06-18 | ||
PCT/FR2003/001830 WO2003106044A1 (en) | 2002-06-18 | 2003-06-17 | Device for dispensing several fluids comprising at least two flexible bags and two pumps |
Publications (2)
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EP1513617A1 EP1513617A1 (en) | 2005-03-16 |
EP1513617B1 true EP1513617B1 (en) | 2008-02-27 |
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EP03760049A Expired - Lifetime EP1513617B1 (en) | 2002-06-18 | 2003-06-17 | Device for dispensing several fluids comprising at least two flexible bags and two pumps |
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US (1) | US7770755B2 (en) |
EP (1) | EP1513617B1 (en) |
JP (1) | JP2005529805A (en) |
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2003
- 2003-06-17 ES ES03760049T patent/ES2298572T3/en not_active Expired - Lifetime
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- 2003-06-17 JP JP2004512930A patent/JP2005529805A/en active Pending
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US7770755B2 (en) | 2010-08-10 |
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EP1513617A1 (en) | 2005-03-16 |
CA2484552C (en) | 2011-11-29 |
FR2840888A1 (en) | 2003-12-19 |
KR100977852B1 (en) | 2010-08-25 |
FR2840888B1 (en) | 2004-09-10 |
JP2005529805A (en) | 2005-10-06 |
AU2003260594A1 (en) | 2003-12-31 |
WO2003106044A1 (en) | 2003-12-24 |
CN1665600A (en) | 2005-09-07 |
CA2484552A1 (en) | 2003-12-24 |
ES2298572T3 (en) | 2008-05-16 |
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