EP1111241A1 - Pressurised dispenser and compressed air recharging station therefor - Google Patents

Pressurised dispenser and compressed air recharging station therefor Download PDF

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Publication number
EP1111241A1
EP1111241A1 EP00403636A EP00403636A EP1111241A1 EP 1111241 A1 EP1111241 A1 EP 1111241A1 EP 00403636 A EP00403636 A EP 00403636A EP 00403636 A EP00403636 A EP 00403636A EP 1111241 A1 EP1111241 A1 EP 1111241A1
Authority
EP
European Patent Office
Prior art keywords
container
assembly according
movable member
valve
compressor
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.)
Granted
Application number
EP00403636A
Other languages
German (de)
French (fr)
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EP1111241B1 (en
Inventor
Jean-Pierre Yquel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP1111241A1 publication Critical patent/EP1111241A1/en
Application granted granted Critical
Publication of EP1111241B1 publication Critical patent/EP1111241B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D83/42—Filling or charging means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B05B7/1209—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages the controlling means for each liquid or other fluent material being manual and interdependent
    • B05B7/1245—A gas valve being opened before a liquid valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/003—Adding propellants in fluid form to aerosol containers
    • 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
    • B65D83/34—Cleaning or preventing clogging of the discharge passage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
    • 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
    • B65D83/60—Contents and propellant separated
    • B65D83/62—Contents and propellant separated by membrane, bag, or the like

Definitions

  • the filling valve is connected to a tube emerging above the surface of the product, so as to avoid generating foam in the container when the container is recharged with compressed air.
  • the filling valve being of preferably equipped with a tube emerging above the surface of the product.
  • the valve filling preferably includes a first seal which opens when a nozzle filling is introduced and a second seal which opens under the pressure of the outgoing air of the filling nozzle, and has a relatively complex structure.
  • the invention aims in particular to remedy all or part of the drawbacks of known distribution sets, and in particular aims to propose a set of relatively simple structure and reliable operation.
  • the new assembly comprises a container and a device for recharging this container with compressed air, the container being provided with a filling valve, this assembly being characterized by the fact that the product distribute and the pressurized air is contained inside the container so separate in different spaces.
  • the filling valve which is used can have a relatively simple structure, because it is not in contact with the product.
  • the product is contained in a flexible pocket inside the container.
  • the container is provided with a valve for dispensing the product, this valve having at least three different operating positions, know a rest position, a position allowing the distribution of air alone and a position allowing the distribution of a mixture of air and product.
  • the filling valve is made only in elastomer, preferably being made in one piece by molding.
  • the device for recharging the container with compressed air comprises advantageously a compressor and a nozzle connected to the outlet of the compressor, arranged to engage the container valve.
  • the device for recharging the container with air tablet comprises a movable member provided with a passage for the end piece, the member mobile and the nozzle being arranged so that the nozzle engages in the valve of the container in response to a depression of the movable member.
  • the filling valve having a bottom
  • the length of the nozzle is chosen so that it does not reach the bottom of the valve filling when the movable member is pushed in, the nozzle not engaging for example than 2/3 of the length of the valve.
  • the endpiece remains engaged in the movable member whatever the position of the movable member, and in particular in the absence of a container.
  • the movable member is returned to an initial position by elastic return means.
  • the friction between the nozzle and the filling valve can be chosen in such a way so that the nozzle is sufficiently tightened by the filling valve to retain the container against the return action of the elastic return means.
  • the movable member is arranged so as to protect the end piece the absence of the container.
  • the nozzle in the absence of a container placed on the movable member, the nozzle can do not exceed it, so that the movable member effectively protects the end piece the absence of a container.
  • the device for recharging the container with air tablet includes a detector capable of detecting the sinking of the movable member, arranged to control the start-up of the compressor when the movable member is pressed.
  • the compressor start-up is automatically triggered by the placing the container in the filling position.
  • This detector comprises for example a microswitch.
  • the device is arranged so that the user must keep the moving part pressed for the entire necessary time when reloading the container.
  • the return of the movable member to its initial position is advantageously detected in order to automatically interrupt the operation of the compressor.
  • the device comprises retaining means arranged to directly or indirectly maintain the movable member pressed against the return action of the elastic return means, as long as a predetermined condition is satisfied, this predetermined condition corresponding for example to the existence pressure below a predetermined value in the container and / or the fact that the compressor is running.
  • the device includes a pressure switch at the outlet compressor.
  • This pressure switch is advantageously used to stop the operation of the compressor when the pressure in the container reaches a predetermined value, corresponding to the end of the compressed air filling.
  • the aforementioned retaining means used to keep the movable member pressed advantageously, during the filling period, comprise at least one suction cup connected to the compressor input.
  • this or each suction cup is positioned so that the movable member comes into contact when pressed.
  • the or each suction cup can thus participate in maintaining the movable member in depressed position, as long as the compressor is running, thanks to the vacuum prevailing at the compressor inlet.
  • the movable member then advantageously comprises openings allowing the or each suction cup to come into contact with the bottom of the container when the latter rests on the movable member and that it is pushed in.
  • the movable member is kept pressed against the action of the means of elastic return thanks to the adhesion of the or each suction cup to the container, due to the vacuum prevailing at the compressor inlet when the latter is in operation.
  • This pressure drop is advantageously chosen so that the vacuum prevailing at the compressor inlet is strong enough for the suction cups can exert the desired holding force on the movable member or the container.
  • the upper surface of the movable member advantageously has a boss, arranged so as to favor the correct positioning of the container relative to the movable member.
  • a device 1 for recharging a container 2 comprising a reservoir provided in the upper part with a distribution 3 and in the lower part of a filling valve 11, not visible on the Figure 1 and shown in Figure 3.
  • the valve 11 is known in itself and has a slot capable of opening under air pressure during filling.
  • the container 2 comprises a flexible pocket 100 which contains the product P distribute.
  • This pocket 100 is fixed to a valve 101 which is shown in the figures 3A and 3B.
  • the valve 101 is advantageously in three positions, being for example identical to that described in European patent application EP 0 709 305 A1.
  • This valve comprises a body 102, provided at its lower end with a opening 103 communicating with the inside of the pocket 100 and in the upper part of a gas intake passage 104.
  • the valve 101 also includes a movable member 105 carrying a seal sealing ring 106, extended at its upper part by a control rod 107 provided with an inner conduit 108, this conduit opening laterally at its end lower by an orifice 109 inside the body 102 when the user presses the push button 110, the latter being equipped with a dispensing nozzle 111.
  • the valve 101 also has a seal 112 pierced with an orifice 113 crossed by the control rod 107 and capable of closing the orifice 109 when the valve is resting.
  • the movable member 105 is returned to the high position by a spring 115.
  • the body 102 has an annular groove 116 on its interior surface.
  • the movable member 105 sinks against the return action of the spring 115 and the orifice 109 opens under the seal 112, inside the body 102.
  • a propellant gas passage can then be carried out by passage 104 and then by the conduit 108.
  • the seal 106 is applied tightly to the interior surface of the body 102 and prevents the product from being entrained by the propellant.
  • the seal 106 ceases to apply to the inner surface of the body and the product can pass around the movable member 105 and mix with the propellant gas to gain the conduit 108.
  • the valve described with reference to FIGS. 3A and 3B has the advantage of allow the distribution circuit to be purged when the user releases the push-button, therefore avoid drying of the product and clogging.
  • the device 1 comprises a housing comprising a cover 4 provided with a opening 5 used to introduce the container 2.
  • FIG. 2 shows the device 1 after removal of the cover 4.
  • the movable member 9 is intended to receive the container 2, and comprises a tray 61 extended at its periphery downwards by a tubular skirt 62.
  • the bottom 22 of the container 2 is concave towards the outside and the plate 61 have a boss 23 in the upper part.
  • the movable member 9 is movable vertically in the axis of the end piece 10 in being guided in its movement by guide means 13.
  • These means guide 13 have not been shown in FIG. 3, for the sake of clarity of the drawing, and include guides made in the bottom of the device 1 housing and housings cylindrical made in one piece by plastic molding with the skirt tubular 62 of the movable member 9.
  • These elastic return means are constituted in the example described by helical springs 15, working in compression, received at their lower end in housings 16 made in the bottom of the housing of the device 1 and at their end upper in housings 17 made on the underside of the plate 61 of the movable member 9.
  • the microswitch 19 controls the starting of the electric motor 7 driving the compressor 6.
  • the user introduces it into the device 1 through the opening 5 of the cover 4, until the bottom 22 of the container comes in support on the boss 23 of the movable member 9.
  • the compressor 6 delivers compressed air to the nozzle 10 and the valve 11 opens under air pressure.
  • the pressure switch 60 cuts the power supply to the motor 7 causing the compressor 6 when a predetermined pressure is reached at the outlet of the latter.
  • the user can then remove the container 2.
  • the friction between the nozzle 10 and the valve 11 is in the example described sufficient to hold the container 2 in place against the action of the springs 15 during the filling time.
  • the friction between the end piece 10 and the valve 11 is insufficient for retain the nozzle 10 in the valve 11 if the container is released, so that the user is then forced to push down on container 2 as long as the filling.
  • FIG. 4 differs from the embodiment precedent by the fact that retaining means are provided for retaining the movable member 9 in the low position when filling the container 2.
  • these retaining means include three suction cups 30, angularly distributed around the nozzle 10.
  • Each suction cup 30 has in the upper part a bellows 31 made in an elastomeric material, this bellows 31 being secured at its lower part to an end piece fixed thread 32, connected to a pipe 33.
  • the pipe 33 to which the suction cups 30 are connected is connected to the pipe 35 downstream of the air intake 36.
  • the air intake 36 is constituted by the orifice of a plug 34, the diameter of this orifice being chosen so as to create a sufficient pressure drop so that the line 35 is under sufficient vacuum during operation of the compressor 6.
  • This vacuum ensures adhesion of the suction cups 30 on regions planes of the inner face 37 of the plate 61 of the movable member 9.
  • This push causes the mobile member 9 to sink in and the inner face 37 of the plate 61 of the movable member 9 in contact with the bellows 31 of the suction cups 30.
  • the insertion of the movable member 9 also allows the tip 10 to engage valve 11 and cause the electrical contact of the microswitch 19.
  • the compressor 6 starts and a vacuum appears in the lines 33 and 35.
  • the bellows 31 thus retain the movable member 9 against the return action of the springs 15, so that the user can release the container 2 without the movable member 9 does not go back however.
  • the pressure switch 60 interrupts the operation of compressor 6 and pipes 33 and 35 return to ambient pressure.
  • suction cups 30 then cease to adhere to the movable member 9 and retain this last, which allows it to go up under the return action of the springs 15.
  • FIGS. 4 to 6 has the following drawback.
  • a container 2 ' with a flat bottom 39 and a movable member 9 'which differs from the movable member 9 described above by the absence of boss 23 and the presence of a hole 40 above each suction cup 30, for him allow to come directly into contact with the bottom 39 of the container 2 ′ when the member mobile 9 'is pressed.
  • the bellows 31 of the suction cups 30 are applied through the holes 40 against the bottom 39 of container 2 'and the vacuum which is created in line 33 during compressor operation keeps the bellows 31 retracted and adhering to the bottom 39 of container 2 '.
  • the container 2 ' is itself retained by the suction cups 30.
  • the movable member 9 ' can go up freely under the return action springs 15, which causes the opening of the electrical contact of the microswitch 19 and compressor shutdown.
  • an electromagnetic lock is used capable of keeping the movable member in the low position during filling.
  • a pneumatic lock is used controlled by the vacuum prevailing at the compressor inlet.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Nozzles (AREA)
  • Basic Packing Technique (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Vacuum Packaging (AREA)

Abstract

Assembly designed has unit (1) for recharging with compressed air the container (2) which is fitted with a filling valve (11). The product to be distributed and the compressed air are contained inside the aerosol so that they are separated in difference spaces.. The product is contained in a flexible pocket inside the aerosol. The aerosol is fitted with a valve (101) allowing product distribution. This valve has at least three different operating positions, a rest position, a air distribution position only and a position which permits distribution of a mixture of the product with air. The filling valve (11) is made from a single piece of elastomer molding. The compressed air recharging system includes a compressor (6) and a ferrule connected to the compressor output which fits into the valve (11), it also has a mobile part (9) fitted with a passage (12) for the ferrule. Both the part (8) and ferrule are arranged so that the ferrule engages itself into the valve of the aerosol in response to a movement of the mobile part (9). The length of the ferrule is chosen so that it does not reach the bottom of the filling valve when the part (9) is actuated.. The ferrule remains engaged in the part (9) whatever its position, and the latter is designed to protect the ferrule in the absence of the aerosol.

Description

La présente invention concerne un ensemble destiné à la distribution d'un produit, comportant un récipient et un dispositif permettant de recharger en air comprimé le récipient, le fond de ce récipient étant muni d'une valve de remplissage.The present invention relates to an assembly intended for the distribution of a product, comprising a container and a device for recharging air compressed the container, the bottom of this container being provided with a filling valve.

On cherche actuellement à remplacer les récipients aérosol comprenant un gaz propulseur constitué par un gaz liquéfié par des récipients aérosol utilisant comme gaz propulseur de l'air comprimé.We are currently seeking to replace aerosol containers comprising a gas. propellant consisting of a gas liquefied by aerosol containers using as gas compressed air propellant.

L'utilisation d'air comprimé pose un problème d'autonomie si l'on souhaite maintenir une qualité constante et il s'avère nécessaire de recharger plusieurs fois le récipient pour distribuer de manière satisfaisante la totalité du produit contenu dans le récipient, le gaz propulseur étant distribué avec le produit.The use of compressed air poses a problem of autonomy if one wishes maintain a constant quality and it proves necessary to recharge several times the container for satisfactorily dispensing all of the product contained in the container, the propellant being distributed with the product.

On connaít par la demande internationale WO94/03380 un ensemble destiné à la distribution d'un produit, comportant un récipient muni d'une valve de remplissage et un dispositif permettant de recharger en air comprimé le récipient.We know from international application WO94 / 03380 an assembly intended for the distribution of a product, comprising a container fitted with a filling valve and a device for recharging the container with compressed air.

La valve de remplissage est reliée à un tube émergeant au-dessus de la surface du produit, de manière à éviter de générer de la mousse dans le récipient lorsque le récipient est rechargé en air comprimé.The filling valve is connected to a tube emerging above the surface of the product, so as to avoid generating foam in the container when the container is recharged with compressed air.

La valve de remplissage est en outre relativement complexe, car devant assurer l'étanchéité non seulement vis-à-vis de l'air comprimé mais du produit liquide, contenu dans le récipient.The filling valve is also relatively complex, since it must ensure sealing not only vis-à-vis the compressed air but the liquid product, contained in the container.

On connaít par la demande internationale WO91/01257 un ensemble du même type que celui décrit dans la demande WO94/03380, la valve de remplissage étant de préférence équipée d'un tube émergeant au dessus de la surface du produit. La valve de remplissage comporte de préférence un premier joint qui s'ouvre lorsqu'un embout de remplissage est introduit et un deuxième joint qui s'ouvre sous la pression de l'air sortant de l'embout de remplissage, et présente une structure relativement complexe.We know from international application WO91 / 01257 a set of the same type as that described in application WO94 / 03380, the filling valve being of preferably equipped with a tube emerging above the surface of the product. The valve filling preferably includes a first seal which opens when a nozzle filling is introduced and a second seal which opens under the pressure of the outgoing air of the filling nozzle, and has a relatively complex structure.

On connaít par le brevet US 5 343 904 un ensemble similaire à ceux décrits dans les demandes internationales précitées, dans lequel la valve de remplissage comporte une bille et un joint torique. L'embout de remplissage présente un diamètre relativement élevé et porte un joint torique. Un mécanisme à levier, relativement complexe, vient en prise sur la valve de remplissage pendant le remplissage, pour immobiliser le récipient.We know from US Patent 5,343,904 an assembly similar to those described in the aforementioned international applications, in which the filling valve has a ball and an O-ring. The filling nozzle has a diameter relatively high and has an O-ring. A relatively lever mechanism complex, engages the filling valve during filling, to immobilize the container.

L'invention vise notamment à remédier à tout ou partie des inconvénients des ensembles de distribution connus, et en particulier vise à proposer un ensemble de structure relativement simple et de fonctionnement fiable.The invention aims in particular to remedy all or part of the drawbacks of known distribution sets, and in particular aims to propose a set of relatively simple structure and reliable operation.

Le nouvel ensemble selon l'invention comporte un récipient et un dispositif permettant de recharger en air comprimé ce récipient, le récipient étant muni d'une valve de remplissage, cet ensemble étant caractérisé par le fait que le produit à distribuer et l'air sous pression sont contenus à l'intérieur du récipient de manière séparée dans des espaces différents.The new assembly according to the invention comprises a container and a device for recharging this container with compressed air, the container being provided with a filling valve, this assembly being characterized by the fact that the product distribute and the pressurized air is contained inside the container so separate in different spaces.

Grâce à l'invention, la valve de remplissage qui est utilisée peut présenter une structure relativement simple, car elle n'est pas au contact du produit.Thanks to the invention, the filling valve which is used can have a relatively simple structure, because it is not in contact with the product.

En outre, elle n'a pas à être reliée à un tube, puisqu'aucun risque de moussage n'est à craindre lors du remplissage du récipient en gaz.In addition, it does not have to be connected to a tube, since no risk of foaming is not to be feared when filling the gas container.

De préférence, le produit est contenu dans une poche souple à l'intérieur du récipient.Preferably, the product is contained in a flexible pocket inside the container.

De préférence encore, le récipient est muni d'une valve permettant de distribuer le produit, cette valve ayant au moins trois positions de fonctionnement différentes, à savoir une position de repos, une position permettant la distribution d'air seul et une position permettant la distribution d'un mélange d'air et de produit.More preferably, the container is provided with a valve for dispensing the product, this valve having at least three different operating positions, know a rest position, a position allowing the distribution of air alone and a position allowing the distribution of a mixture of air and product.

De préférence encore, la valve de remplissage est réalisée uniquement en élastomère, étant de préférence réalisée d'un seul tenant par moulage.More preferably, the filling valve is made only in elastomer, preferably being made in one piece by molding.

Elle présente alors une structure relativement peu complexe comparativement aux valves de remplissage des ensembles de distribution connus, mentionnés plus haut.It then has a relatively uncomplicated structure compared to the filling valves of the known distribution assemblies, mentioned above.

Le dispositif permettant de recharger en air comprimé le récipient comporte avantageusement un compresseur et un embout relié à la sortie du compresseur, agencé pour s'engager dans la valve du récipient.The device for recharging the container with compressed air comprises advantageously a compressor and a nozzle connected to the outlet of the compressor, arranged to engage the container valve.

De préférence, le dispositif permettant de recharger le récipient en air comprimé comporte un organe mobile pourvu d'un passage pour l'embout, l'organe mobile et l'embout étant agencés de telle sorte que l'embout s'engage dans la valve du récipient en réponse à un enfoncement de l'organe mobile.Preferably, the device for recharging the container with air tablet comprises a movable member provided with a passage for the end piece, the member mobile and the nozzle being arranged so that the nozzle engages in the valve of the container in response to a depression of the movable member.

De préférence, la valve de remplissage comportant un fond, la longueur de l'embout est choisie de telle sorte que celui-ci n'atteigne pas le fond de la valve de remplissage lorsque l'organe mobile est enfoncé, l'embout ne s'engageant par exemple que sur 2/3 de la longueur de la valve.Preferably, the filling valve having a bottom, the length of the nozzle is chosen so that it does not reach the bottom of the valve filling when the movable member is pushed in, the nozzle not engaging for example than 2/3 of the length of the valve.

De préférence, l'embout reste engagé dans l'organe mobile quelque soit la position de l'organe mobile, et notamment en l'absence de récipient.Preferably, the endpiece remains engaged in the movable member whatever the position of the movable member, and in particular in the absence of a container.

On évite ainsi un endommagement de l'embout par le récipient lors de la mise en place de celui-ci sur l'organe mobile.This avoids damage to the tip by the container during putting in place of the latter on the movable member.

De préférence, l'organe mobile est rappelé dans une position initiale par des moyens de rappel élastiques.Preferably, the movable member is returned to an initial position by elastic return means.

Le frottement entre l'embout et la valve de remplissage peut être choisi de telle sorte que l'embout soit suffisamment serré par la valve de remplissage pour retenir le récipient contre l'action de rappel des moyens de rappel élastiques.The friction between the nozzle and the filling valve can be chosen in such a way so that the nozzle is sufficiently tightened by the filling valve to retain the container against the return action of the elastic return means.

Autrement dit, le frottement de la valve de remplissage sur l'embout maintient l'organe mobile enfoncé, ce qui présente l'avantage de procurer à l'ensemble une structure beaucoup plus simple que celle décrite dans le brevet US 5 343 904 précité.In other words, the friction of the filling valve on the nozzle maintains the movable member pressed in, which has the advantage of providing the assembly with a much simpler structure than that described in the aforementioned US Pat. No. 5,343,904.

De préférence, l'organe mobile est agencé de manière à protéger l'embout en l'absence du récipient.Preferably, the movable member is arranged so as to protect the end piece the absence of the container.

En particulier, en l'absence de récipient posé sur l'organe mobile, l'embout peut ne pas dépasser celui-ci, de sorte que l'organe mobile protège efficacement l'embout en l'absence de récipient.In particular, in the absence of a container placed on the movable member, the nozzle can do not exceed it, so that the movable member effectively protects the end piece the absence of a container.

Avantageusement, le dispositif permettant de recharger le récipient en air comprimé comporte un détecteur apte à détecter l'enfoncement de l'organe mobile, agencés pour commander la mise en route du compresseur lorsque l'organe mobile est enfoncé.Advantageously, the device for recharging the container with air tablet includes a detector capable of detecting the sinking of the movable member, arranged to control the start-up of the compressor when the movable member is pressed.

Ainsi, la mise en route du compresseur est déclenchée automatiquement par la mise en place du récipient en position de remplissage.Thus, the compressor start-up is automatically triggered by the placing the container in the filling position.

Ce détecteur comporte par exemple un microrupteur.This detector comprises for example a microswitch.

Dans une réalisation particulière, le dispositif est agencé de telle sorte que l'utilisateur doive maintenir l'organe mobile enfoncé pendant toute la durée nécessaire au rechargement du récipient.In a particular embodiment, the device is arranged so that the user must keep the moving part pressed for the entire necessary time when reloading the container.

Dans ce cas, dès que l'utilisateur relâche le récipient, l'organe mobile remonte sous l'action de rappel des moyens de rappel élastiques et l'embout se dégage de la valve du récipient.In this case, as soon as the user releases the container, the movable member rises under the return action of the elastic return means and the end piece emerges from the valve of the container.

Le retour de l'organe mobile dans sa position initiale est avantageusement détecté afin d'interrompre automatiquement à ce moment le fonctionnement du compresseur.The return of the movable member to its initial position is advantageously detected in order to automatically interrupt the operation of the compressor.

Dans une réalisation préférée, le dispositif comporte des moyens de retenue agencés pour maintenir directement ou indirectement l'organe mobile enfoncé contre l'action de rappel des moyens de rappel élastiques, tant qu'une condition prédéterminée est satisfaite, cette condition prédéterminée correspondant par exemple à l'existence d'une pression inférieure à une valeur prédéterminée dans le récipient et/ou au fait que le compresseur est en fonctionnement.In a preferred embodiment, the device comprises retaining means arranged to directly or indirectly maintain the movable member pressed against the return action of the elastic return means, as long as a predetermined condition is satisfied, this predetermined condition corresponding for example to the existence pressure below a predetermined value in the container and / or the fact that the compressor is running.

Dans une réalisation particulière, le dispositif comporte un pressostat à la sortie du compresseur.In a particular embodiment, the device includes a pressure switch at the outlet compressor.

Ce pressostat est avantageusement utilisé pour arrêter le fonctionnement du compresseur lorsque la pression dans le récipient atteint une valeur prédéterminée, correspondant à la fin du remplissage en air comprimé.This pressure switch is advantageously used to stop the operation of the compressor when the pressure in the container reaches a predetermined value, corresponding to the end of the compressed air filling.

Les moyens de retenue précités, servant à maintenir l'organe mobile enfoncé pendant la durée du remplissage, comportent avantageusement au moins une ventouse reliée à l'entrée du compresseur.The aforementioned retaining means, used to keep the movable member pressed advantageously, during the filling period, comprise at least one suction cup connected to the compressor input.

Dans une réalisation particulière, cette ou chaque ventouse est positionnée de manière à ce que l'organe mobile vienne à son contact lorsqu'il est enfoncé.In a particular embodiment, this or each suction cup is positioned so that the movable member comes into contact when pressed.

La ou chaque ventouse peut ainsi participer au maintien de l'organe mobile en position enfoncée, tant que le compresseur est en fonctionnement, grâce à la dépression régnant à l'entrée du compresseur.The or each suction cup can thus participate in maintaining the movable member in depressed position, as long as the compressor is running, thanks to the vacuum prevailing at the compressor inlet.

Lorsque la pression dans le récipient atteint une valeur prédéterminée, correspondant à la fin du remplissage en air comprimé, le fonctionnement du compresseur est interrompu.When the pressure in the container reaches a predetermined value, corresponding to the end of the compressed air filling, the operation of the compressor is interrupted.

Le vide partiel régnant à l'entrée du compresseur est cassé, de sorte que l'adhérence de la ou chaque ventouse sur l'organe mobile cesse et ce dernier peut regagner sa position initiale sous l'action de rappel des moyens de rappel élastiques.The partial vacuum prevailing at the compressor inlet is broken, so that the adhesion of the or each suction cup to the movable member ceases and the latter can regain its initial position under the return action of the elastic return means.

Le mouvement de retour de l'organe mobile vers sa position initiale repousse le récipient et l'embout se désengage de la valve.The movement of the movable member back to its initial position pushes the container and the nozzle disengages from the valve.

Dans une autre réalisation particulière, la ou chaque ventouse vient au contact du récipient lorsque l'organe mobile est enfoncé.In another particular embodiment, the or each suction cup comes into contact of the container when the movable member is pressed.

L'organe mobile comporte alors avantageusement des ajours permettant à la ou chaque ventouse de venir au contact du fond du récipient lorsque ce dernier repose sur l'organe mobile et que celui-ci est enfoncé.The movable member then advantageously comprises openings allowing the or each suction cup to come into contact with the bottom of the container when the latter rests on the movable member and that it is pushed in.

Ainsi, l'organe mobile est maintenu enfoncé contre l'action des moyens de rappel élastiques grâce à l'adhérence de la ou chaque ventouse sur le récipient, due à la dépression régnant à l'entrée du compresseur lorsque ce dernier est en fonctionnement.Thus, the movable member is kept pressed against the action of the means of elastic return thanks to the adhesion of the or each suction cup to the container, due to the vacuum prevailing at the compressor inlet when the latter is in operation.

Si le récipient est retiré, l'organe mobile remonte sous l'effet des moyens de rappel élastiques.If the container is removed, the movable member rises under the effect of the means of elastic recall.

Cette remontée de l'organe mobile est avantageusement détectée afin d'interrompre le fonctionnement du compresseur.This rise in the movable member is advantageously detected in order to to interrupt the operation of the compressor.

Avantageusement, le dispositif comporte trois ventouses, équiréparties angulairement autour de l'embout.Advantageously, the device comprises three suction cups, evenly distributed angularly around the nozzle.

Dans une réalisation particulière, le compresseur est relié par une tubulure à une prise d'air, laquelle est agencée de manière à introduire une perte de charge.In a particular embodiment, the compressor is connected by a tube to an air intake, which is arranged so as to introduce a pressure drop.

Cette perte de charge est avantageusement choisie de façon à ce que la dépression régnant à l'entrée du compresseur soit suffisamment forte pour que la ou les ventouses puissent exercer la force de maintien voulue sur l'organe mobile ou le récipient.This pressure drop is advantageously chosen so that the vacuum prevailing at the compressor inlet is strong enough for the suction cups can exert the desired holding force on the movable member or the container.

Lorsque le fond du récipient est concave vers l'extérieur, la surface supérieure de l'organe mobile présente avantageusement un bossage, agencé de manière à favoriser le positionnement correct du récipient par rapport à l'organe mobile.When the bottom of the container is concave towards the outside, the upper surface of the movable member advantageously has a boss, arranged so as to favor the correct positioning of the container relative to the movable member.

L'invention sera mieux comprise à la lecture de la description détaillée qui va suivre, d'exemples de réalisation non limitatifs, et à l'examen du dessin annexé, sur lequel :

  • la figure 1 est une vue schématique en perspective représentant un ensemble conforme à un exemple de mise en oeuvre de l'invention, avec un récipient aérosol en cours de remplissage sur un dispositif permettant de le recharger en air comprimé.
  • la figure 2 est une vue schématique en perspective du dispositif de la figure 1, sans capot,
  • la figure 3 est une vue schématique et partielle, en coupe, du dispositif représenté sur les figures 1 et 2, le récipient étant posé sur l'organe mobile,
  • les figures 3A et 3B sont des coupes axiales schématique représentant isolément la valve du récipient,
  • la figure 4 est une vue schématique et partielle, en coupe, d'une première variante de réalisation du dispositif, l'organe mobile étant représenté non enfoncé,
  • la figure 5 représente la prise d'air du compresseur,
  • la figure 6 est une vue analogue à la figure 4, après enfoncement de l'organe mobile,
  • la figure 7 est une vue schématique et partielle illustrant une deuxième variante de réalisation du dispositif, l'organe mobile étant représenté non enfoncé, et
  • la figure 8 est une vue analogue à la figure 7, après enfoncement de l'organe mobile.
The invention will be better understood on reading the detailed description which follows, of nonlimiting exemplary embodiments, and on examining the appended drawing, in which:
  • Figure 1 is a schematic perspective view showing an assembly according to an exemplary implementation of the invention, with an aerosol container being filled on a device for recharging it with compressed air.
  • FIG. 2 is a schematic perspective view of the device of FIG. 1, without the cover,
  • FIG. 3 is a schematic and partial view, in section, of the device shown in FIGS. 1 and 2, the container being placed on the movable member,
  • FIGS. 3A and 3B are schematic axial sections showing the valve of the container in isolation,
  • FIG. 4 is a schematic and partial view, in section, of a first alternative embodiment of the device, the movable member being shown not depressed,
  • FIG. 5 represents the air intake of the compressor,
  • FIG. 6 is a view similar to FIG. 4, after insertion of the movable member,
  • FIG. 7 is a schematic and partial view illustrating a second variant embodiment of the device, the movable member being shown not depressed, and
  • Figure 8 is a view similar to Figure 7, after insertion of the movable member.

On a représenté sur la figure 1 un dispositif 1 permettant de recharger un récipient 2, ce dernier comprenant un réservoir pourvu en partie supérieure d'une tête de distribution 3 et en partie inférieure d'une valve de remplissage 11, non apparente sur la figure 1 et représentée sur la figure 3.There is shown in Figure 1 a device 1 for recharging a container 2, the latter comprising a reservoir provided in the upper part with a distribution 3 and in the lower part of a filling valve 11, not visible on the Figure 1 and shown in Figure 3.

La valve 11 est connue en elle-même et comporte une fente capable de s'ouvrir sous la pression de l'air lors du remplissage.The valve 11 is known in itself and has a slot capable of opening under air pressure during filling.

Le récipient 2 comporte une poche souple 100 qui contient le produit P à distribuer.The container 2 comprises a flexible pocket 100 which contains the product P distribute.

Cette poche 100 est fixée sur une valve 101 que l'on a représenté sur les figures 3A et 3B.This pocket 100 is fixed to a valve 101 which is shown in the figures 3A and 3B.

La valve 101 est avantageusement à trois positions, étant par exemple identique à celle décrite dans la demande de brevet européen EP 0 709 305 A1.The valve 101 is advantageously in three positions, being for example identical to that described in European patent application EP 0 709 305 A1.

Cette valve comporte un corps 102, pourvu à son extrémité inférieure d'une ouverture 103 communiquant avec l'intérieur de la poche 100 et en partie supérieure d'un passage 104 de prise de gaz.This valve comprises a body 102, provided at its lower end with a opening 103 communicating with the inside of the pocket 100 and in the upper part of a gas intake passage 104.

La valve 101 comporte également un organe mobile 105 portant un joint torique d'étanchéité 106, prolongé à sa partie supérieure par une tige de commande 107 pourvue d'un conduit intérieur 108, ce conduit débouchant latéralement à son extrémité inférieure par un orifice 109 à l'intérieur du corps 102 lorsque l'utilisateur appuie sur le bouton-poussoir 110, ce dernier étant équipé d'une buse de distribution 111. The valve 101 also includes a movable member 105 carrying a seal sealing ring 106, extended at its upper part by a control rod 107 provided with an inner conduit 108, this conduit opening laterally at its end lower by an orifice 109 inside the body 102 when the user presses the push button 110, the latter being equipped with a dispensing nozzle 111.

La valve 101 comporte encore un joint d'étanchéité 112 percé d'un orifice 113 traversé par la tige de commande 107 et apte à obturer l'orifice 109 lorsque la valve est au repos.The valve 101 also has a seal 112 pierced with an orifice 113 crossed by the control rod 107 and capable of closing the orifice 109 when the valve is resting.

L'organe mobile 105 est rappelé en position haute par un ressort 115.The movable member 105 is returned to the high position by a spring 115.

Lorsque la valve est au repos, l'orifice 109 est obturé par le joint 112.When the valve is at rest, the orifice 109 is closed by the seal 112.

Le corps 102 présente une gorge annulaire 116 sur sa surface intérieure.The body 102 has an annular groove 116 on its interior surface.

Lorsque l'utilisateur appuie sur le bouton-poussoir 110, l'organe mobile 105 s'enfonce contre l'action de rappel du ressort 115 et l'orifice 109 débouche sous le joint 112, à l'intérieur du corps 102.When the user presses the push button 110, the movable member 105 sinks against the return action of the spring 115 and the orifice 109 opens under the seal 112, inside the body 102.

Un passage de gaz propulseur peut alors s'effectuer par le passage 104 puis par le conduit 108.A propellant gas passage can then be carried out by passage 104 and then by the conduit 108.

Le joint 106 s'applique de manière étanche sur la surface intérieure du corps 102 et empêche le produit d'être entraíné par le gaz propulseur.The seal 106 is applied tightly to the interior surface of the body 102 and prevents the product from being entrained by the propellant.

Lorsque l'utilisateur enfonce davantage la tige de commande 107, le joint 106 cesse de s'appliquer sur la surface intérieure du corps et du produit peut passer autour de l'organe mobile 105 et se mélanger au gaz propulseur pour gagner le conduit 108.When the user pushes the control rod 107 further, the seal 106 ceases to apply to the inner surface of the body and the product can pass around the movable member 105 and mix with the propellant gas to gain the conduit 108.

La valve décrite en référence aux figures 3A et 3B présente l'avantage de permettre de purger le circuit de distribution lorsque l'utilisateur relâche le bouton-poussoir, donc d'éviter un séchage du produit et un bouchage.The valve described with reference to FIGS. 3A and 3B has the advantage of allow the distribution circuit to be purged when the user releases the push-button, therefore avoid drying of the product and clogging.

Une valve plus conventionnelle pourrait encore être utilisée.A more conventional valve could still be used.

Le dispositif 1 comporte un boítier comprenant un capot 4 muni d'une ouverture 5 servant à l'introduction du récipient 2.The device 1 comprises a housing comprising a cover 4 provided with a opening 5 used to introduce the container 2.

On a représenté sur la figure 2 le dispositif 1 après enlèvement du capot 4.FIG. 2 shows the device 1 after removal of the cover 4.

On voit sur cette figure un compresseur 6, entraíné par un moteur électrique 7.We see in this figure a compressor 6, driven by an electric motor 7.

La sortie du compresseur est reliée par l'intermédiaire d'un pressostat 60 et d'une tubulure 8 à un embout de remplissage 10 fixe, représenté sur la figure 3, protégé par un organe mobile 9 en l'absence de récipient 2.The output of the compressor is connected via a pressure switch 60 and a tube 8 to a fixed filling nozzle 10, shown in FIG. 3, protected by a movable member 9 in the absence of a container 2.

L'organe mobile 9 est destiné à recevoir le récipient 2, et comporte un plateau 61 prolongé à sa périphérie vers le bas par une jupe tubulaire 62.The movable member 9 is intended to receive the container 2, and comprises a tray 61 extended at its periphery downwards by a tubular skirt 62.

Le plateau 61 est traversé en son centre par un trou 12 permettant le passage de l'embout 10.The plate 61 is crossed in its center by a hole 12 allowing the passage of end piece 10.

Dans l'exemple de réalisation décrit, le fond 22 du récipient 2 est concave vers l'extérieur et le plateau 61 comporte en partie supérieure un bossage 23.In the embodiment described, the bottom 22 of the container 2 is concave towards the outside and the plate 61 have a boss 23 in the upper part.

Ce bossage 23 est agencé pour coopérer avec le fond 22 du récipient 2, de manière à ce que la valve 11 se positionne dans l'axe de l'embout 10 lorsque le récipient 2 est mis en place.This boss 23 is arranged to cooperate with the bottom 22 of the container 2, so that the valve 11 is positioned in the axis of the nozzle 10 when the container 2 is set up.

L'organe mobile 9 est déplaçable verticalement dans l'axe de l'embout 10 en étant guidé dans son déplacement par des moyens de guidage 13. Ces moyens de guidage 13 n'ont pas été représentés sur la figure 3, dans un souci de clarté du dessin, et comportent des guides réalisés dans le fond du boítier du dispositif 1 et des logements cylindriques réalisés d'un seul tenant par moulage de matière plastique avec la jupe tubulaire 62 de l'organe mobile 9.The movable member 9 is movable vertically in the axis of the end piece 10 in being guided in its movement by guide means 13. These means guide 13 have not been shown in FIG. 3, for the sake of clarity of the drawing, and include guides made in the bottom of the device 1 housing and housings cylindrical made in one piece by plastic molding with the skirt tubular 62 of the movable member 9.

Des moyens de rappel élastiques sont prévus pour rappeler l'organe mobile 9 dans une position haute en l'absence de récipient 2.Elastic return means are provided to return the movable member 9 in a high position in the absence of a container 2.

Ces moyens de rappel élastiques sont constitués dans l'exemple décrit par des ressorts hélicoïdaux 15, travaillant en compression, reçus à leur extrémité inférieure dans des logements 16 réalisés dans le fond du boítier du dispositif 1 et à leur extrémité supérieure dans des logements 17 réalisés sur la face inférieure du plateau 61 de l'organe mobile 9.These elastic return means are constituted in the example described by helical springs 15, working in compression, received at their lower end in housings 16 made in the bottom of the housing of the device 1 and at their end upper in housings 17 made on the underside of the plate 61 of the movable member 9.

Un microrupteur 19 est prévu pour détecter l'enfoncement de l'organe mobile 9.A microswitch 19 is provided for detecting the sinking of the movable member 9.

Ce microrupteur 19 comporte un poussoir mobile 20 et l'organe mobile 9 comporte une rampe 21 agencée de telle sorte que le déplacement vers le bas de l'organe mobile 9 provoque l'enfoncement du poussoir 20 et la fermeture du contact électrique du microrupteur 19.This microswitch 19 comprises a movable pusher 20 and the movable member 9 has a ramp 21 arranged so that the downward movement of the member mobile 9 causes push-in 20 and closing of the electrical contact of the microswitch 19.

Le microrupteur 19 commande la mise en marche du moteur électrique 7 entraínant le compresseur 6.The microswitch 19 controls the starting of the electric motor 7 driving the compressor 6.

En l'absence de récipient 2, l'embout 10 est protégé par l'organe mobile 9, comme on peut le voir sur les figures 2 et 3, et reste engagé dans l'organe mobile 9, l'extrémité supérieure de l'embout 10 effleurant la surface supérieure de l'organe mobile 9.In the absence of a container 2, the end piece 10 is protected by the movable member 9, as can be seen in FIGS. 2 and 3, and remains engaged in the movable member 9, the upper end of the nozzle 10 touching the upper surface of the member mobile 9.

Pour recharger le récipient 2, l'utilisateur introduit celui-ci dans le dispositif 1 au travers de l'ouverture 5 du capot 4, jusqu'à ce que le fond 22 du récipient vienne en appui sur le bossage 23 de l'organe mobile 9.To reload the container 2, the user introduces it into the device 1 through the opening 5 of the cover 4, until the bottom 22 of the container comes in support on the boss 23 of the movable member 9.

La raideur des ressorts 15 est choisie de telle sorte que le seul poids du récipient 2 soit insuffisant pour provoquer d'une part un enfoncement de l'organe mobile 9 capable de déclencher la fermeture du contact électrique du microrupteur 19 et d'autre part l'engagement de l'embout 10 dans la valve 11.The stiffness of the springs 15 is chosen so that the only weight of the container 2 is insufficient to cause on the one hand a depression of the movable member 9 capable of triggering the closing of the electrical contact of microswitch 19 and other share the engagement of the nozzle 10 in the valve 11.

Il est ainsi nécessaire que l'utilisateur exerce une poussée vers le bas pour comprimer les ressorts 15 et provoquer un enfoncement suffisant de l'organe mobile 9 pour que l'embout 10 s'engage dans la valve 11 et que le contact électrique du microrupteur 19 se ferme.It is therefore necessary that the user exerts a downward push to compress the springs 15 and cause sufficient depression of the movable member 9 so that the nozzle 10 engages in the valve 11 and that the electrical contact of the microswitch 19 closes.

Le compresseur 6 délivre de l'air comprimé à l'embout 10 et la valve 11 s'ouvre sous la pression de l'air.The compressor 6 delivers compressed air to the nozzle 10 and the valve 11 opens under air pressure.

Le pressostat 60 coupe l'alimentation électrique du moteur 7 entraínant le compresseur 6 lorsqu'une pression prédéterminée est atteinte à la sortie de ce dernier.The pressure switch 60 cuts the power supply to the motor 7 causing the compressor 6 when a predetermined pressure is reached at the outlet of the latter.

L'utilisateur peut alors retirer le récipient 2.The user can then remove the container 2.

Lors de ce retrait, les ressorts 15 ramènent l'organe mobile 9 en position haute.During this removal, the springs 15 return the movable member 9 to the high position.

Le frottement entre l'embout 10 et la valve 11 est dans l'exemple décrit suffisant pour maintenir le récipient 2 en place contre l'action des ressorts 15 pendant la durée du remplissage.The friction between the nozzle 10 and the valve 11 is in the example described sufficient to hold the container 2 in place against the action of the springs 15 during the filling time.

Ainsi, l'utilisateur n'a pas à exercer une poussée vers le bas sur le récipient tant que dure le remplissage et après celui-ci, si le récipient est laissé en place.So the user doesn't have to push down on the container as long that the filling lasts and after it, if the container is left in place.

Si le récipient est laissé en place, l'embout n'est au contact que de l'air contenu dans le récipient, non du produit, et il n'y a pas de risque de fuite ou de corrosion de l'embout.If the container is left in place, the nozzle is only in contact with the air contained in the container, not the product, and there is no risk of leakage or corrosion of the mouthpiece.

En variante, le frottement entre l'embout 10 et la valve 11 est insuffisant pour retenir l'embout 10 dans la valve 11 si le récipient est relaché, de sorte que l'utilisateur est alors obligé d'exercer une poussée vers le bas sur le récipient 2 tant que dure le remplissage.Alternatively, the friction between the end piece 10 and the valve 11 is insufficient for retain the nozzle 10 in the valve 11 if the container is released, so that the user is then forced to push down on container 2 as long as the filling.

La variante de réalisation de la figure 4 diffère du mode de réalisation précédent par le fait que des moyens de retenue sont prévus pour retenir l'organe mobile 9 en position basse lors du remplissage du récipient 2.The variant embodiment of FIG. 4 differs from the embodiment precedent by the fact that retaining means are provided for retaining the movable member 9 in the low position when filling the container 2.

Dans l'exemple de réalisation de la figure 4, ces moyens de retenue comportent trois ventouses 30, équiréparties angulairement autour de l'embout 10.In the embodiment of Figure 4, these retaining means include three suction cups 30, angularly distributed around the nozzle 10.

Seules deux de ces trois ventouses sont apparentes sur la figure 4.Only two of these three suction cups are visible in Figure 4.

Chaque ventouse 30 comporte en partie supérieure un soufflet 31 réalisé dans un matériau élastomère, ce soufflet 31 étant assujetti à sa partie inférieure à un embout fileté 32 fixe, raccordé à une canalisation 33.Each suction cup 30 has in the upper part a bellows 31 made in an elastomeric material, this bellows 31 being secured at its lower part to an end piece fixed thread 32, connected to a pipe 33.

L'entrée du compresseur 6 est reliée, comme illustré sur la figure 5, à une prise d'air 36 par l'intermédiaire d'une canalisation 35.The input of compressor 6 is connected, as illustrated in FIG. 5, to a socket air 36 via a pipe 35.

La canalisation 33 sur laquelle sont branchées les ventouses 30 se raccorde à la canalisation 35 en aval de la prise d'air 36.The pipe 33 to which the suction cups 30 are connected is connected to the pipe 35 downstream of the air intake 36.

La prise d'air 36 est constituée par l'orifice d'un bouchon 34, le diamètre de cet orifice étant choisi de manière à créer une perte de charge suffisante pour que la canalisation 35 se trouve sous une dépression suffisante lors du fonctionnement du compresseur 6.The air intake 36 is constituted by the orifice of a plug 34, the diameter of this orifice being chosen so as to create a sufficient pressure drop so that the line 35 is under sufficient vacuum during operation of the compressor 6.

Cette dépression permet d'assurer l'adhérence des ventouses 30 sur des régions planes de la face intérieure 37 du plateau 61 de l'organe mobile 9.This vacuum ensures adhesion of the suction cups 30 on regions planes of the inner face 37 of the plate 61 of the movable member 9.

Pour effectuer le remplissage du récipient 2, l'utilisateur pose celui-ci sur l'organe mobile 9, comme illustré sur la figure 4, puis exerce une poussée vers le bas.To fill the container 2, the user places it on the movable member 9, as illustrated in FIG. 4, then exerts a downward thrust.

Cette poussée provoque l'enfoncement de l'organe mobile 9 et la venue de la face intérieure 37 du plateau 61 de l'organe mobile 9 au contact des soufflets 31 des ventouses 30.This push causes the mobile member 9 to sink in and the inner face 37 of the plate 61 of the movable member 9 in contact with the bellows 31 of the suction cups 30.

L'enfoncement de l'organe mobile 9 permet également à l'embout 10 de s'engager dans la valve 11 et provoque la fermeture du contact électrique du microrupteur 19.The insertion of the movable member 9 also allows the tip 10 to engage valve 11 and cause the electrical contact of the microswitch 19.

Le compresseur 6 se met en marche et une dépression apparaít dans les canalisations 33 et 35.The compressor 6 starts and a vacuum appears in the lines 33 and 35.

Cette dépression maintient les soufflets 31 rétractés et adhérant à la face intérieure 37 de l'organe mobile 9.This depression keeps the bellows 31 retracted and adhering to the face interior 37 of the movable member 9.

Les soufflets 31 retiennent ainsi l'organe mobile 9 contre l'action de rappel des ressorts 15, de sorte que l'utilisateur peut relâcher le récipient 2 sans que l'organe mobile 9 ne remonte pour autant.The bellows 31 thus retain the movable member 9 against the return action of the springs 15, so that the user can release the container 2 without the movable member 9 does not go back however.

Lorsque la pression dans le récipient 2 atteint une valeur prédéterminée, le pressostat 60 interrompt le fonctionnement du compresseur 6 et les canalisations 33 et 35 reviennent à la pression ambiante.When the pressure in the container 2 reaches a predetermined value, the pressure switch 60 interrupts the operation of compressor 6 and pipes 33 and 35 return to ambient pressure.

Les ventouses 30 cessent alors d'adhérer à l'organe mobile 9 et de retenir ce dernier, ce qui lui permet de remonter sous l'action de rappel des ressorts 15. The suction cups 30 then cease to adhere to the movable member 9 and retain this last, which allows it to go up under the return action of the springs 15.

Cette remontée provoque le désengagement de l'embout 10 de la valve 11 du récipient 2.This rise causes the disengagement of the nozzle 10 from the valve 11 of the container 2.

La variante de réalisation des figures 4 à 6 présente l'inconvénient suivant.The variant embodiment of FIGS. 4 to 6 has the following drawback.

Si le récipient 2 est retiré alors que le compresseur est en marche, ce dernier continue à fonctionner car les ventouses 30 maintiennent l'organe mobile 9 enfoncé et le contact électrique du microrupteur 19 fermé.If container 2 is removed while the compressor is running, the latter continues to operate because the suction cups 30 keep the movable member 9 pressed and the electrical contact of microswitch 19 closed.

La variante de réalisation des figures 7 et 8 permet de remédier à cet inconvénient.The alternative embodiment of Figures 7 and 8 overcomes this disadvantage.

Sur ces figures, on a représenté un récipient 2' avec un fond 39 plat et un organe mobile 9' qui diffère de l'organe mobile 9 décrit précédemment par l'absence de bossage 23 et la présence d'un trou 40 au-dessus de chaque ventouse 30, pour lui permettre de venir directement au contact du fond 39 du récipient 2' lorsque l'organe mobile 9' est enfoncé.In these figures, there is shown a container 2 'with a flat bottom 39 and a movable member 9 'which differs from the movable member 9 described above by the absence of boss 23 and the presence of a hole 40 above each suction cup 30, for him allow to come directly into contact with the bottom 39 of the container 2 ′ when the member mobile 9 'is pressed.

Lorsque le récipient 2' est mis en place sur l'organe mobile 9' et qu'une poussée est exercée vers le bas, l'organe mobile 9' s'enfonce, l'embout 10 s'engage dans la valve 11 et le poussoir 20 du microrupteur 19 est déplacé, ce qui provoque la mise en route du compresseur.When the container 2 'is put in place on the movable member 9' and a push is exerted downwards, the movable member 9 'sinks, the end piece 10 engages in the valve 11 and the pusher 20 of the microswitch 19 is moved, which causes the starting of the compressor.

Les soufflets 31 des ventouses 30 s'appliquent à travers les trous 40 contre le fond 39 du récipient 2' et la dépression qui se crée dans la canalisation 33 lors du fonctionnement du compresseur maintient les soufflets 31 rétractés et adhérant au fond 39 du récipient 2'.The bellows 31 of the suction cups 30 are applied through the holes 40 against the bottom 39 of container 2 'and the vacuum which is created in line 33 during compressor operation keeps the bellows 31 retracted and adhering to the bottom 39 of container 2 '.

L'organe mobile 9' est ainsi retenu en position enfoncée, contre l'action de rappel des ressorts 15.The movable member 9 'is thus retained in the depressed position, against the action of spring recall 15.

Lorsqu'une pression suffisante est atteinte à l'intérieur du récipient aérosol 2', le pressostat 60 équipant la sortie du compresseur interrompt son fonctionnement et la dépression dans la canalisation 33 cesse.When sufficient pressure is reached inside the aerosol container 2 ', the pressure switch 60 fitted to the compressor output interrupts its operation and the depression in line 33 stops.

Les soufflets 31 reprennent leur forme initiale et l'organe mobile 9' remonte sous l'action de rappel des ressorts 15.The bellows 31 resume their initial shape and the movable member 9 'rises under the spring return action 15.

La remontée de l'organe mobile 9' entraíne le désengagement de l'embout 10 de la valve 11.The rise of the movable member 9 'causes the disengagement of the nozzle 10 from valve 11.

Seul le récipient 2' maintient l'organe mobile 9' enfoncé lors du remplissage.Only the container 2 'keeps the movable member 9' pressed during filling.

Le récipient 2' est lui-même retenu par les ventouses 30. The container 2 'is itself retained by the suction cups 30.

Si l'utilisateur retire, malgré l'adhérence des ventouses 30, le récipient 2' en cours de remplissage, l'organe mobile 9' peut remonter librement sous l'action de rappel des ressorts 15, ce qui entraíne l'ouverture du contact électrique du microrupteur 19 et l'arrêt du compresseur.If the user removes, despite the adhesion of the suction cups 30, the container 2 'in during filling, the movable member 9 'can go up freely under the return action springs 15, which causes the opening of the electrical contact of the microswitch 19 and compressor shutdown.

Bien entendu, l'invention n'est pas limitée aux exemples de réalisation qui viennent d'être décrits.Of course, the invention is not limited to the exemplary embodiments which have just been described.

On peut notamment utiliser d'autres moyens de retenue que des ventouses pour maintenir l'organe mobile enfoncé pendant le remplissage du récipient aérosol.One can in particular use other retaining means than suction cups for keep the moving part depressed while filling the aerosol container.

Dans une variante non représentée, on utilise un verrou électromagnétique capable de maintenir en position basse l'organe mobile durant le remplissage.In a variant not shown, an electromagnetic lock is used capable of keeping the movable member in the low position during filling.

Dans une autre variante non représentée, on utilise un verrou pneumatique commandé par la dépression régnant à l'entrée du compresseur.In another variant not shown, a pneumatic lock is used controlled by the vacuum prevailing at the compressor inlet.

Claims (28)

Ensemble destiné à la distribution d'un produit, comportant un récipient et un dispositif (1) permettant de recharger en air comprimé ce récipient, le récipient (22; 39) étant muni d'une valve (11) de remplissage, caractérisé par le fait que le produit à distribuer et l'air sous pression sont contenus à l'intérieur du récipient de manière séparée dans des espaces différents.Assembly intended for the distribution of a product, comprising a container and a device (1) for recharging this container with compressed air, the container (22; 39) being provided with a filling valve (11), characterized in that the product to distribute and the pressurized air is contained inside the container so separate in different spaces. Ensemble selon la revendication 1, caractérisé par le fait que le produit est contenu dans une poche souple à l'intérieur du récipient.Assembly according to claim 1, characterized in that the product is contained in a flexible pocket inside the container. Ensemble selon l'une des revendications 1 et 2, caractérisé par le fait que le récipient est muni d'une valve (101) permettant de distribuer le produit, cette valve ayant au moins trois positions de fonctionnement différentes, à savoir une position de repos, une position permettant la distribution d'air seul et une position permettant la distribution d'un mélange d'air et de produit.Assembly according to either of Claims 1 and 2, characterized in that the container is provided with a valve (101) for dispensing the product, this valve having at least three different operating positions, namely a position of rest, a position allowing the distribution of air alone and a position allowing the distribution of a mixture of air and product. Ensemble selon l'une quelconque des revendications précédentes, caractérisé par le fait que la valve de remplissage est réalisée uniquement en élastomère, de préférence d'un seul tenant par moulage.Assembly according to any one of the preceding claims, characterized by the fact that the filling valve is made only of elastomer, preferably in one piece by molding. Ensemble selon l'une quelconque des revendications précédentes, caractérisé par le fait que le dispositif permettant de recharger en air comprimé le récipient comporte un compresseur (6) et un embout (10) relié à la sortie du compresseur, agencé pour s'engager dans la valve (11) du récipient.Assembly according to any one of the preceding claims, characterized by the fact that the device for recharging the compressed air container comprises a compressor (6) and a nozzle (10) connected to the outlet of the compressor, arranged to engage in the valve (11) of the container. Ensemble selon la revendication précédente, caractérisé par le fait que le dispositif permettant de recharger le récipient en air comprimé comporte un organe mobile (9 ; 9') pourvu d'un passage (12) pour l'embout, l'organe mobile (9 ; 9') et l'embout (10) étant agencés de telle sorte que l'embout s'engage dans la valve du récipient en réponse à un enfoncement de l'organe mobile (9 ; 9').Assembly according to the preceding claim, characterized in that the device for recharging the container with compressed air comprises a member mobile (9; 9 ') provided with a passage (12) for the end piece, the mobile member (9; 9') and the end piece (10) being arranged so that the end piece engages in the valve of the container in response to a depression of the movable member (9; 9 '). Ensemble selon la revendication précédente, la valve de remplissage comportant un fond caractérisé par le fait que la longueur de l'embout est choisie de telle sorte que celui-ci n'atteigne pas le fond de la valve de remplissage lorsque l'organe mobile est enfoncé.Assembly according to the preceding claim, the filling valve comprising a base characterized in that the length of the endpiece is chosen to so that it does not reach the bottom of the filling valve when the organ mobile is pressed. Ensemble selon la revendication précédente, caractérisé par le fait que l'embout reste engagé dans l'organe mobile quelle que soit la position de l'organe mobile.Assembly according to the preceding claim, characterized in that the tip remains engaged in the movable member whatever the position of the member mobile. Ensemble selon la revendication précédente, caractérisé par le fait que l'organe mobile (9 ; 9') est agencé de manière à protéger l'embout (10) en l'absence de récipient (2 ; 2').Assembly according to the preceding claim, characterized in that the movable member (9; 9 ') is arranged so as to protect the end piece (10) in the absence of container (2; 2 '). Ensemble selon l'une quelconque des revendications 1 à 9, caractérisé par le fait qu'en l'absence de récipient posé sur l'organe mobile (9 ; 9'), l'embout (10) ne dépasse pas de celui-ci.Assembly according to any one of Claims 1 to 9, characterized by the fact that in the absence of a container placed on the movable member (9; 9 '), the end piece (10) does not not exceed it. Ensemble selon l'une quelconque des revendications précédentes, caractérisé par le fait que le dispositif permettant de recharger le récipient en air comprimé comporte un détecteur (19) apte à détecter l'enfoncement de l'organe mobile (9 ; 9') et agencé pour commander la mise en route du compresseur (6) lorsque l'organe mobile (9 ; 9') est enfoncé.Assembly according to any one of the preceding claims, characterized by the fact that the device for recharging the container with air tablet includes a detector (19) capable of detecting the sinking of the movable member (9; 9 ') and arranged to control the start-up of the compressor (6) when the member mobile (9; 9 ') is pressed. Ensemble selon la revendication précédente, caractérisé par le fait que le détecteur comporte un microrupteur (19).Assembly according to the preceding claim, characterized in that the detector includes a microswitch (19). Ensemble selon l'une quelconque des revendications précédentes, caractérisé par le fait que le dispositif permettant de recharger le récipient en air comprimé est agencé de telle sorte que l'utilisateur doive maintenir l'organe mobile (9 ; 9') enfoncé pendant toute la durée nécessaire au remplissage du récipient.Assembly according to any one of the preceding claims, characterized by the fact that the device for recharging the container with air tablet is arranged so that the user must maintain the movable member (9; 9 ') pressed for the entire time necessary to fill the container. Ensemble selon l'une des revendications 1 à 13, caractérisé par le fait que l'organe mobile (9 ; 9') est rappelé dans une position initiale par des moyens de rappel élastiques (15).Assembly according to one of claims 1 to 13, characterized in that the movable member (9; 9 ') is returned to an initial position by return means elastic (15). Ensemble selon la revendication précédente, caractérisé par le fait que le dispositif permettant de recharger en air comprimé le récipient comporte des moyens de retenue (30) agencés pour maintenir directement (fig. 6) ou indirectement (fig. 8) l'organe mobile (9 ; 9') enfoncé contre l'action de rappel des moyens de rappel élastiques (15), tant qu'une condition prédéterminée est satisfaite.Assembly according to the preceding claim, characterized in that the device for recharging the container with compressed air comprises means for retainer (30) arranged to hold directly (fig. 6) or indirectly (fig. 8) the movable member (9; 9 ') pressed against the return action of the elastic return means (15), as long as a predetermined condition is satisfied. Ensemble selon la revendication 14, caractérisé par le fait que le frottement entre l'embout et la valve de remplissage est choisi de telle sorte que l'embout soit suffisamment serré par la valve de remplissage pour retenir le récipient contre l'action de rappel des moyens de rappel élastiques.Assembly according to claim 14, characterized in that the friction between the nozzle and the filling valve is chosen so that the nozzle is sufficiently tightened by the filling valve to retain the container against the return action of the elastic return means. Ensemble selon la revendication 15, caractérisé par le fait que ladite condition prédéterminée correspond à l'existence d'une pression inférieure à une valeur prédéterminée dans le récipient.Assembly according to claim 15, characterized in that the said predetermined condition corresponds to the existence of a pressure below a value predetermined in the container. Ensemble selon la revendication 15, caractérisé par le fait que ladite condition prédéterminée correspond au fait que le compresseur est en fonctionnement.Assembly according to claim 15, characterized in that the said predetermined condition corresponds to the fact that the compressor is in operation. Ensemble selon la revendication 15, caractérisé par le fait que lesdits moyens de retenue comportent au moins une ventouse (30) reliée à l'entrée du compresseur.Assembly according to claim 15, characterized in that the said retaining means comprise at least one suction cup (30) connected to the inlet of the compressor. Ensemble selon la revendication précédente, caractérisé par le fait que la ou chaque ventouse (30) est positionnée de manière à ce que l'organe mobile (9) vienne à son contact lorsqu'il est enfoncé.Assembly according to the preceding claim, characterized in that the or each suction cup (30) is positioned so that the movable member (9) comes on contact when pressed. Ensemble selon la revendication 19, caractérisé par le fait que la ou chaque ventouse (30) vient au contact du récipient (2') lorsque l'organe mobile (9') est enfoncé.Assembly according to claim 19, characterized in that the or each suction cup (30) comes into contact with the container (2 ') when the movable member (9') is pressed. Ensemble selon la revendication précédente, caractérisé par le fait que l'organe mobile (9') comporte des ajours permettant à la ou chaque ventouse (30) de venir au contact du fond (39) du récipient (2') lorsque ce dernier repose sur l'organe mobile et que celui-ci est enfoncé.Assembly according to the preceding claim, characterized in that the movable member (9 ') has openings allowing the or each suction cup (30) to come into contact with the bottom (39) of the container (2 ') when the latter rests on the member mobile and that it is pressed. Ensemble selon l'une quelconque des revendications 19 à 22, caractérisé par le fait qu'il comporte trois ventouses (30) équiréparties angulairement autour de l'embout (10).Assembly according to any one of claims 19 to 22, characterized by the fact that it comprises three suction cups (30) angularly distributed around the end piece (10). Ensemble selon l'une quelconque des revendications 19 à 23, caractérisé par le fait que le compresseur (6) est relié par une tubulure à une prise d'air (36), laquelle est agencée de manière à introduire une perte de charge.Assembly according to any one of claims 19 to 23, characterized by the fact that the compressor (6) is connected by a tube to an air intake (36), which is arranged to introduce a pressure drop. Ensemble selon la revendication précédente, caractérisé par le fait que ladite perte de charge est choisie de sorte que la dépression régnant à l'entrée du compresseur soit suffisamment forte pour que la ou les ventouses (30) puissent exercer la force voulue sur l'organe mobile (9 ; 9') ou le récipient (2').Assembly according to the preceding claim, characterized in that said pressure drop is chosen so that the vacuum prevailing at the inlet of the compressor is strong enough for the suction cup (s) (30) to exert the desired force on the movable member (9; 9 ') or the container (2'). Ensemble selon l'une quelconque des revendications précédentes, caractérisé par le fait qu'il comporte un pressostat (60) à la sortie du compresseur.Assembly according to any one of the preceding claims, characterized in that it includes a pressure switch (60) at the outlet of the compressor. Ensemble selon la revendication précédente, caractérisé par le fait que ledit pressostat arrête le fonctionnement du compresseur lorsque la pression dans le récipient aérosol atteint une valeur prédéterminée, correspondant à la fin du remplissage en air comprimé. Assembly according to the preceding claim, characterized in that said pressure switch stops the operation of the compressor when the pressure in the aerosol container reaches a predetermined value, corresponding to the end of filling in compressed air. Ensemble selon l'une quelconque des revendications précédentes, caractérisé par le fait que le fond (22) du récipient (2) est concave vers l'extérieur et par le fait que l'organe mobile (9) présente un bossage (23) agencé pour favoriser le positionnement correct du récipient par rapport à l'organe mobile.Assembly according to any one of the preceding claims, characterized in that the bottom (22) of the container (2) is concave towards the outside and by the fact that the movable member (9) has a boss (23) arranged to promote the correct positioning of the container relative to the movable member.
EP00403636A 1999-12-22 2000-12-21 Pressurised dispenser and compressed air recharging station therefor Expired - Lifetime EP1111241B1 (en)

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FR9916256A FR2802982B1 (en) 1999-12-22 1999-12-22 DEVICE FOR RECHARGING COMPRESSED AIR IN A CONTAINER
FR9916256 1999-12-22

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EP1111241A1 true EP1111241A1 (en) 2001-06-27
EP1111241B1 EP1111241B1 (en) 2006-05-10

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US (1) US6607012B2 (en)
EP (1) EP1111241B1 (en)
JP (2) JP2001221398A (en)
AT (1) ATE325950T1 (en)
CA (1) CA2329845C (en)
DE (1) DE60027853D1 (en)
FR (1) FR2802982B1 (en)

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FR2951229A1 (en) * 2009-10-08 2011-04-15 Handpresso Air accumulation reserve pressurizing device for use in coffee machine, has longitudinal cylinder arranged laterally and longitudinally to oblong carcass, so as to form compact assembly occupying minimal volume in case
FR3097212A1 (en) * 2019-06-12 2020-12-18 Marquage Plus Box for regulating a pressurized gas used to distribute a product and autonomous device for diffusing a product using a gas at regulated pressure
CN111717869A (en) * 2020-05-25 2020-09-29 上海胜华气雾机械有限公司 Filling production line under vacuum cap of aerosol

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US20010013379A1 (en) 2001-08-16
DE60027853D1 (en) 2006-06-14
EP1111241B1 (en) 2006-05-10
FR2802982B1 (en) 2002-05-31
JP2005096874A (en) 2005-04-14
US6607012B2 (en) 2003-08-19
CA2329845A1 (en) 2001-06-22
FR2802982A1 (en) 2001-06-29
ATE325950T1 (en) 2006-06-15
JP2001221398A (en) 2001-08-17
CA2329845C (en) 2005-10-18

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