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
  • B65D47/00—Closures with filling and discharging, or with discharging, devices
• • 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
• • 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
• • 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, under good conditions of efficiency, the separate storage of at least two fluid products protected from air and their distribution, separately.
• 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, under good conditions of efficiency, the separate storage of at least two fluid products protected from air and their distribution, separately.
• distributors with several compartments are known which make it possible to keep several products separately, for example to prevent them from reacting with each other, so as to mix them only when they are used.
• application WO 99.64319 describes a simple device suitable for the simultaneous distribution of two fluids by means of a double pump, more particularly intended for toothpaste pastes or gels.
• This device comprises an upper part mounted telescopically on a lower part, constituting a pump with two pistons moving in parallel in two cylinders integral with the lower part.
• Each press on the upper part forming a pusher causes the expulsion of variable quantities of products.
• Such a device cannot therefore be suitable when it is necessary to dispense predetermined and constant quantities of products.
• French patent application 01.16246 in the name of the applicant describes a device of the bottle-pocket type comprising two pockets placed in parallel in the same bottle, associated with two extraction pumps and one or two pushers for actuating the pumps.
• this device comprises two independent pushers each acting on a pump, so that the user can choose to actuate only one of the two pushers to distribute the fluid of his choice.
• the two pushers being placed one beside the other, the user can confuse them and actuate one by mistake instead of the other, or inadvertently cause the displacement of the second pushbutton by actuating the first if his finger is not properly placed on it.
• Fluid conditioning and distribution devices of this type are well known. They generally include a rigid shell container in which is placed a flexible pouch which retracts as the product is extracted therefrom.
• the expulsion of the product from the bag can be obtained by means of a pump without air intake, or "airless", or under the pressure of a propellant acting on the wall of the bag, in the bottle.
• a vent is provided, generally at the bottom or in the neck of the bottle, to allow outside air to enter 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 exemplary embodiment according to this technique is described in patent FR 2,723,356 relating to a device comprising a pocket made of flexible plastic material, 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, liquid or pasty products, of the type comprising at least two waterproof flexible bags placed in the same single rigid container, associated with at least two pumps, ensuring efficient distribution. of either of the two products, separately.
• the invention also relates to a device for packaging and distributing several fluid products each contained in a separate bag, offering very good ease of filling the bags without the need for resorting to complex or specially adapted tools.
• the subject of the invention is also a device for packaging and distributing several fluid products, of the type comprising at least two watertight flexible bags placed in the same single rigid container, ensuring perfect packaging of the product by means of excellent sealing of the pockets and pumps.
• the invention finally relates to a device of the type indicated above, which can be manufactured under 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 waterproof 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 consisting of 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 pockets 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 pockets are fixed to the container via of a ring. It may be advantageous to provide that the ring is incorporated into the neck of the pocket.
• the cylinder forming the rigid container is in one piece, and a pocket is fixed to each of its openings.
• the cylinder consists of two cylindrical elements assembled end to end.
• the open cylinder constituting the rigid container can be made in a single part, or in two parts, for example in two cylinders assembled by their base, by gluing, snap-fastening, screwing, welding or any other fixing means. appropriate.
• the cylinder constituting the rigid container can 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.
• the pumps used in the invention are non-return air pumps, of the "airless" type, as commonly used in the art. These pumps are generally made of plastic material such as polyethylene or polypropylene.
• the pumps are preferably with double 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 discharge conduit.
• each pocket is preferably fixed to the container by means of a ring, to which it is fixed in a conventional manner, for example by interlocking, by gluing or by welding.
• the ring and the pocket can be made in one piece.
• the plastics used for the production of the bags can be chosen, for example, from a polyethylene, a polypropylene, a polyamide, a copolymer of ethylene and vinyl alcohol (EVOH), a low density polyethylene, etc. They may be monolayers 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.
• the manufacture of the bag from these materials can be carried out by techniques such as blow molding or blow molding of a parison in a suitable mold.
• the bag can also be manufactured by welding a plastic or metallic film, or a metal / plastic multilayer complex on a support forming the neck of the bag.
• each of the pockets is made of a material suitable for the product that it contains, and the device can therefore comprise at least two pockets formed from different materials.
• the first pocket can be made of low density polyethylene and contain a cream little sensitive to the effects of the external environment, while the second pocket contains a more fragile product and can be made of a polyamide providing better protection against the effects of oxygen and against the loss by evaporation of water vapor.
• the material used for the ring can be a plastic material of the same kind as that used for the pocket, treated so as to give it sufficient rigidity, for example by using a greater thickness of material.
• Polyethylene or polypropylene rings can thus be used, the ring and the pockets being able to be produced in one piece, by injection blowing or any other suitable technique.
• the rigid container may be made of plastic or any suitable rigid material.
• rigid containers can be made of polypropylene, polyethylene terephthalate (PET), acrylonitrile butadiene styrene (ABS), glass or metal such as aluminum or an aluminum alloy.
• the metering chamber of each pump it is possible to associate two identical bags, or bags of different volumes, the metering chamber of each pump then preferably being adapted to the volume of the corresponding bag.
• the dosing chamber of each pump can be proportional to the volume of the corresponding bag. This is particularly advantageous in the case of the distribution of complementary fluid products which must be used in determined quantities.
• a device with a rigid container and two flexible pockets, 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, one can predict that the volume of the second bag is equal to half that of the first, and likewise for the volume of the metering chamber of the second pump relative to the first.
• an external 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 .
• one 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 can be provided.
• the air circuit consists of 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 the outside air to enter the volume located between the wall of the rigid container and the pockets, is preferably designed so as to remain closed as long as the fluid is kept in each pocket and not '' open each time the pumps are actuated so as to let in only an air volume 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 includes shutter means closing the circuit as long as the pumps are not actuated.
• the air circuit may include shutter means constituted by valves, which remain closed as long as the pump is not actuated.
• the device with two pockets according to the present invention has the advantage of being able to be easily filled without the need for complex tools. It is possible to simultaneously fill 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 bag and fix the second pump after turning the device over. In accordance with the present invention, filling can be carried out with standard tools, by simple gravity, which ensures very good filling regularity.
• the product return rate 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 in alternation, 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 specified 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
• a first product at a specified period and a second product at another period, for example a day cream and a night cream.
• Figure 1 a schematic sectional view of an assembly comprising two pockets, their pump and their respective 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 Figure 1, comprising pockets of different volumes in a rigid container consisting of two open cylinders assembled by their base.
• the device of the pocket-bottle type shown in FIG. 1 comprises a rigid container (1) of cylindrical shape, the two ends of which are masked by two covers (2a, 2b).
• the rigid container (1) and the covers (2a, 2b) are made of polypropylene.
• Two flexible polypropylene pockets (3a, 3b) produced by injection-blowing are inserted into the container (1) to which they are fixed by means of the rings (4a, 4b).
• the rings are secured to the wall of the container (1) by a known technique, for example by interlocking thanks to a rib on the periphery of each ring, cooperating with a groove formed in the internal wall of the container.
• the pockets are assembled to the rings by fitting their neck into 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 fitting 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 expelling the product each time the pumps are actuated when the covers (2a, 2b) have been removed by the user.
• An air intake 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 internal wall of the rigid container (1) each time one of the pushers is actuated.
• 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 leaving one or the other of the two pockets (3a ) or (3b).
• the container (1) can be formed of two cylinders (la, lb) of the same diameter.
• the cylinder (la) contains the pocket (9a) of smaller volume than the pocket (9b) contained in the cylinder (lb).
• the two cylinders (la, lb) are assembled by their base, by interlocking, thanks to grooves (10, 11) at the base of the cylinder (la) and of the cylinder (lb) respectively, cooperating with an annular rib (12) provided on the edge of the reinforcing disc (13) placed between the pockets.
• the disc (13) makes it easier to hold the assembly in place.
• each of the two cylinders (la) and (lb) is of a different color in order to clearly identify the two products contained in the bags.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• External Artificial Organs (AREA)
• Nozzles (AREA)
• Sampling And Sample Adjustment (AREA)
• Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=29595341

Family Applications (1)

Country Status (12)

Cited By (1)

Families Citing this family (21)

Family Cites Families (24)

• 2002
  • 2002-06-18 FR FR0207487A patent/FR2840888B1/fr not_active Expired - Fee Related
• 2003
  • 2003-06-17 ES ES03760049T patent/ES2298572T3/es not_active Expired - Lifetime
  • 2003-06-17 US US10/516,001 patent/US7770755B2/en not_active Expired - Fee Related
  • 2003-06-17 AT AT03760049T patent/ATE387261T1/de not_active IP Right Cessation
  • 2003-06-17 KR KR1020047020163A patent/KR100977852B1/ko not_active Expired - Fee Related
  • 2003-06-17 CA CA2484552A patent/CA2484552C/fr not_active Expired - Fee Related
  • 2003-06-17 DE DE60319374T patent/DE60319374T2/de not_active Expired - Lifetime
  • 2003-06-17 CN CNB038138263A patent/CN100479924C/zh not_active Expired - Fee Related
  • 2003-06-17 AU AU2003260594A patent/AU2003260594A1/en not_active Abandoned
  • 2003-06-17 JP JP2004512930A patent/JP2005529805A/ja active Pending
  • 2003-06-17 EP EP03760049A patent/EP1513617B1/de not_active Expired - Lifetime
  • 2003-06-17 WO PCT/FR2003/001830 patent/WO2003106044A1/fr not_active Ceased

Non-Patent Citations (1)

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