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EP1384688B1 - Dispensing head as well as storage and dispensing device for product with variable discharge rate - Google Patents

Dispensing head as well as storage and dispensing device for product with variable discharge rate Download PDF

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Publication number
EP1384688B1
EP1384688B1 EP03291617A EP03291617A EP1384688B1 EP 1384688 B1 EP1384688 B1 EP 1384688B1 EP 03291617 A EP03291617 A EP 03291617A EP 03291617 A EP03291617 A EP 03291617A EP 1384688 B1 EP1384688 B1 EP 1384688B1
Authority
EP
European Patent Office
Prior art keywords
dispensing
conduit
container
product
dispensing head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03291617A
Other languages
German (de)
French (fr)
Other versions
EP1384688A1 (en
Inventor
Pierre-André Lasserre
Marcel Sanchez
Giuseppe Dalsant
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP1384688A1 publication Critical patent/EP1384688A1/en
Application granted granted Critical
Publication of EP1384688B1 publication Critical patent/EP1384688B1/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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/44—Valves specially adapted for the discharge of contents; Regulating devices
    • 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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/16—Actuating means
    • B65D83/20—Actuator caps
    • B65D83/206—Actuator caps comprising cantilevered actuating elements, e.g. levers pivoting about living hinges

Definitions

  • the present invention relates to a dispensing head of a product intended for the actuation of a dispensing member mounted on a container, in particular of a valve mounted on a pressurized container, and to the dispensing of a product contained in the container.
  • the invention relates to a dispensing head for dispensing the product according to at least two different flow rates.
  • Dispensing heads of this type have already been described, in particular in patents US 3,363,968 and US 3,703,994.
  • the dispensing head described in US Pat. No. 3,363,968 uses a hoop attached to the container and a push button that moves axially to actuate a valve stem, the push button being rotatable relative to the hoop between two dispensing positions. according to two different flows.
  • the push button is crossed transversely by a conduit which ends at both ends by openings of different section.
  • the duct is intended, when pressing the pushbutton, to be placed opposite a channel, formed in the band, which opens out through a dispensing orifice.
  • the user angularly positions the pushbutton relative to the hoop so that one or the other of the openings of the duct can come opposite the channel in order to dispense the product according to the chosen flow rate by pressing the button. button.
  • the dispensing head described in US Pat. No. 3,703,994 uses a hoop movable axially with respect to the container in response to the depression of a push-button surmounting the hoop and intended to actuate a valve.
  • the pushbutton is also rotatable relative to the collar between three dispensing positions in three different flow rates.
  • the hoop comprises an axial duct which communicates with the interior of the container, when the valve is actuated, and which opens laterally by three openings of different section, each opening opening above a pad also called "centerpost".
  • the push button has a spray nozzle which, in each dispensing position, comes opposite a centerpost.
  • a complementary shaped conduit, integral with the push button, is inserted into the conduit of the hoop.
  • the conduit of the push button comprises an axial slot, which in each distribution position of the push button, comes opposite one of the openings.
  • the necessary clearance between the nozzle and each centerpost to rotate the push button between the three positions does not correctly position the nozzle next to each centerpost so that it is difficult to obtain a good spray.
  • such a game does not allow to position identically the nozzle facing different centersposts so that it is very difficult to obtain a reproducible spray from one position to another.
  • the conduit connecting the valve to the nozzle defines a relatively large volume so that after the user has released the push button, all the product remaining in this volume is distributed.
  • US 2,887,273 also discloses a dispensing head having a diffuser attached to the container and the valve stem and a push button for actuating the valve stem.
  • the pushbutton is movable in rotation relative to the diffuser between two distribution positions according to two different flow rates.
  • the diffuser comprises two different diametrically opposed spray orifice of different section, and the push button has an opening in its wall intended to be placed opposite one or the other of the spray orifices.
  • the opening of the pushbutton is opposite one of the orifices, the other orifice is obscured by a wall of the pushbutton. According to this configuration, it is necessary to make two spray orifices which complicates the production of the dispensing head since such orifices are more complicated to make than a simple opening.
  • passage of different section we mean passages that open on openings whose surface is different.
  • diameter of the dispensing orifice is meant the diameter of the circle when the orifice is circular, or the diameter of the circle circumscribing the section of the orifice when it has a shape different from a circle.
  • the presence of the elastically deformable connecting means makes it possible to produce a duct by a molding process from a single piece with fixing means, which can move relative to the fixing means.
  • Such a piece is simple to make and is inexpensive.
  • the dispensing head is easy to produce and inexpensive since only one spray orifice formed in the actuating means is used and the two passages of different section are easily achievable since they can be formed during the molding of the conduit.
  • the connecting means are elastically deformable, so that they resume their initial position when the constraint that deforms them ceases.
  • the fixing means are fixedly mounted axially on the container so that the head is properly held on the container.
  • the connecting means allow a displacement of the conduit in response to the actuation of the actuating means.
  • the connecting means consist of a wall transverse to the X axis, which is corrugated. This configuration of the wall allows it to easily deform and return easily to its initial position.
  • the duct is formed along the X axis and has a first end on which are fitted the actuating means and a second end adapted to cooperate with the dispensing member.
  • the conduit directly transmits the pressure exerted on the actuating means to the dispenser member.
  • the passages may be slots extending parallel to the X axis which are of different width which are angularly spaced. It is obvious that any other form of passage can be used.
  • the actuating means are then rotatable about the X axis between the first and second positions.
  • the dispensing head may be configured to allow the actuation of the dispenser member only when the actuating means are in the first and second positions.
  • the dispensing head may comprise an axial stop against which the actuating means bear when they are not in one or the other. first and second positions so as to prevent actuation of the dispenser member.
  • the dispensing head may comprise at least two radial stops limiting the rotational movement of the actuating means.
  • the dispensing head may comprise sound identification means for signaling the positioning in one or the other of the first and second positions.
  • the sound identification means may be constituted by the cooperation of a first relief formed on the actuating means and a second integral relief of the duct, the first relief being suitable, when the actuating means are moved relative to each other. in the conduit, to come into contact with the second relief and to cross it by deforming it elastically so as to produce a sound signal.
  • the dispensing head may also include visual identification means for identifying the first and second positions.
  • the container may be pressurized and the dispensing member may be a male valve comprising a valve stem on which the conduit is fitted, or a female valve, that is to say without valve stem, in which is fitted the conduit.
  • the container is at atmospheric pressure and is equipped with a pump.
  • the invention is particularly useful for packaging and dispensing a cosmetic or care product, especially a hair product.
  • FIGS. 1 to 7 The packaging and distribution assembly illustrated in FIGS. 1 to 7 is formed of a pressurized container 30, partially shown in FIGS. 2, 4, 5 and 7, on which is fixed a dispensing head 1 according to the invention which can be closed by a hood 40.
  • the container 30 is formed by a pressurized canister X axis, formed by a cylindrical body 31 of revolution, the upper end is closed by a cup 32 set on a rolled edge 33 of the container.
  • the cup 32 is provided with a valve 34 which has a hollow valve stem 35 and which can be actuated for example by depressing the valve stem. It is obvious that one can alternatively use a valve that can be actuated by tilting of the valve stem.
  • the container 30 may contain a product to be sprayed, for example a cosmetic product, and a propellant, which may or may not be stored in liquefied form in the container 30 and may or may not be delivered with the product.
  • the product then exits in the form of a spray, that is to say in the form of fine particles in suspension either in the gas or in the air.
  • the dispensing head 1 is also X-axis and is formed of two parts movable relative to each other between two positions each for dispensing the product at a different flow rate.
  • the first part of the head consists of a hoop 10 for protecting the valve stem and intended to be fixed on the container.
  • the second part consists of a push button 20, allowing the actuation of the valve and which is rotatable relative to the hoop.
  • Each of the two pieces is obtained by molding a thermoplastic material from a single piece.
  • the hoop 10 comprises a fastening skirt 11 for fixing the head on the container.
  • the fixing skirt 11 is provided with an annular bead 110 on its inner wall making it possible to fix it on the container by snapping under the rolled edge 33 of the container and the cup 32.
  • the fixing skirt 11 has a radial recess 111 towards the inside the skirt and extends axially above the recess to an upper end from which is formed a transverse wall 12.
  • Radial fins 13, angularly spaced on the periphery of the inner surface of the fixing skirt, s extend parallel to the X axis from the recess 111 to a lower free edge 130.
  • the free edge 130 is provided to abut against the container in the mounted position of the hoop on the container, as seen on the Figures 4, 5 and 7.
  • the fins 13 and allow to limit the axial depression of the hoop when snapped onto the container.
  • the transverse wall 12 is a thin wall which has a corrugation so that it is elastically deformable which allows it to deform when it is axially stressed.
  • the wall 12 is traversed at its center by a conduit 14 formed in the X axis.
  • the conduit 14 extends on either side of the transverse wall 12 from an open lower end 14a which is engaged on the valve stem 35, to an upper end 14b, also open, on which comes s to press an axial skirt 23 of the push-button.
  • An annular groove 14c is provided on the outer surface of the conduit 14 to receive an annular bead 23a provided on the inner surface of the axial skirt 23 of the push button to ensure the axial retention of the push button on the hoop.
  • the cooperation of the annular bead 23a with the annular groove 14c ensures a seal between the conduit and the inside of the push button.
  • the duct 14 has a cylindrical shape of revolution and defines in its lower part a shouldered housing in which the upper part of the valve stem 35, whose upper end 35a abuts against the shoulder, can be substantially sealingly engaged. housing.
  • the lower end 14a of the channel flares slightly to facilitate the introduction of the conduit on the valve stem.
  • the upper end 14b has two axial slots 15a and 15b of different widths which define two passages for the product of different section to output the product at two different rates. It is obvious that one can provide as many slots of different width that it is desired to obtain different rates. According to the particular example shown, the two slots 15a and 15b are angularly spaced by about 80 °.
  • the upper end 14b of the duct has a first passage 15a formed by a slot opening on an opening of larger section.
  • the upper end 14b also has a second passage 15b for the product, longer than the first and which ends with a second opening in the form of a groove of smaller section than the opening of the first passage.
  • This groove is connected to the first slot by a recess 60 formed at the upper end of the conduit 14.
  • the product coming from the conduit 14 is fed to the second opening by a portion of the first slot 15a and the recess 60.
  • the fastening skirt 11 is connected at the recess 111, by an annular transverse wall 16, to an outer skirt 17, concentric with the fastening skirt 11.
  • the outer skirt 17 is intended to form the extension of the wall of the container when the dispensing head is mounted on the container.
  • Two marks M are provided on the outer surface of this skirt 17 which visually indicate the angular positions of the two slots 15a and 15b.
  • a first mark M is for example the number "1" which corresponds to the position of the slot 15b of smaller width and therefore which allows a distribution at a low flow
  • a second mark M is for example the number "2" which corresponds to the position of the slot 15a of greater width and therefore allows a distribution at a higher rate.
  • the outer skirt 17 has a shoulder 170 and extends axially above this shoulder by an axial ring 171.
  • the ring 171 comprises an annular bead 172 on its outer wall for fixing the closure cap 40 by snapping into an annular groove 410 on the inner surface of the side wall 41 of the hood.
  • the side wall 41 of the hood constitutes the extension of the outer skirt 17 and the free edge 411 of the hood abuts against the shoulder 170.
  • the annular transverse wall 16 of the hoop is traversed by two diametrically opposite circular-arc-shaped openings 18 and 19 on the annular transverse wall, formed near the outer skirt 17, and in which two legs of the button are to be displaced. -poussoir, as will be seen in detail later.
  • the first opening 18 is formed on the side of the axial slots 15a and 15b of the duct and the second opening 19 is formed behind the axial slots 15a and 15b.
  • the second opening in an arc of circle 19 ends, near each end of the arc of circle, by two opening portions 19a and 19b which extend radially inward the opening 19.
  • the opening portions 19a and 19b are angularly spaced by about 80 ° and are each formed respectively according to the diameter passing through each of the axial slots 15a and 15b.
  • the portion 160 of the annular transverse wall 16 located between each opening portion 19a and 19b serves as an axial stop for the push button as will be seen in detail later.
  • Two vertical stops 190a and 190b respectively border each outer edge of each opening portion 19a and 19b.
  • the stops 190a and 190b extend axially from the annular transverse wall 16 to an upper free edge, and extend radially from the outer surface of the fastening skirt 11 to the slot 19.
  • the stops 190a and 190b are relatively rigid because they are secured to both the transverse annular wall 16 and the fixing skirt 11, and thus limit the rotational movement of the push button.
  • Two radial tabs 191a and 191b extend axially from the annular transverse wall 16 to an upper free edge 191a 'and 191b'. They are formed on the inner edge side of each opening portion 19a and 19b.
  • the tabs 191a and 191b extend over an axial height less than that of the stops 190a and 190b and are also narrower than the stops 190a and 190b.
  • the tongues 191a and 191b do not extend to the opening in a circular arc 19 and are formed at a distance from the fixing skirt 11 so that they are elastically deformable.
  • the tabs 191a and 191b cooperate with the pushbutton so as to constitute a sound identification means to indicate the passage in the use position.
  • the dispensing head comprises a push button 20 which has an upper wall 21, intended to serve as a support for a finger of the user.
  • the upper wall 21 is connected at the periphery to a first skirt 22, of smaller diameter than the diameter of the outer skirt 17 of the hoop.
  • the push-button 20 comprises, inside the first skirt 22, a second skirt 23, cylindrical of revolution.
  • the skirt 23 is of axis X and comes to slip on the upper end 14b of the conduit 14 around which it is mobile in rotation.
  • the second end 24b opens into a nozzle holder.
  • the nozzle support comprises a stud 25, or "centerpost" on which can be attached a conventional swirl channel nozzle 50.
  • the nozzle 50 defines a dispensing orifice 51.
  • An arrow F is provided on the upper wall 21 to indicate the angular position of the end 24a of the channel 24, so that when it is placed opposite one or the other mark M provided on the hoop, this visually indicates to the user the two positions in which he can actuate the push-button to distribute the product.
  • An X axis tip 26 is formed inside the second skirt 23 and is inserted inside the conduit 14 when the push button is mounted on the hoop.
  • the tip 26 has a diameter slightly smaller than that of the conduit so as to form an annular passage for the product inside the conduit.
  • the tip 26 makes it possible to limit the dead volume inside the duct and thus limit the pressure drops inside the duct in order to optimize the flow rate with which the product leaves.
  • by decreasing the dead volume it reduces the volume of product that can contain the dispensing head between the valve 34 and the dispensing orifice 51.
  • the spraying of the product through the dispensing orifice stops substantially. at the moment when the user releases the push button, that is to say as soon as the valve is no longer open since the quantity of product remaining inside the head is relatively small.
  • the peripheral skirt 22 of the push-button extends axially, in its lower part, on two diametrically opposite angular portions, by two tabs 27 and 28, each provided for moving respectively in the arcuate openings 18 and 19 provided in FIG. fret.
  • Each tab 27 and 28 is provided at its lower end with a hook 270 and 280 which abuts under the annular transverse wall 16, when the tabs pass through the openings 27 and 28.
  • the hooks 270 and 280 serve to maintain axially the push-button on the hoop.
  • the tab 27, located on the side of the dispensing orifice 51, is provided to move in the opening in a circular arc 18.
  • the tab 28 is provided to move in the opening in an arc 19.
  • the leg 28 comprises a rib 281 whose axial length and radial length are sufficient to abut against each stop 190a and 190b during the rotational movement of the push button on the hoop.
  • the rib 281 has a shoulder 281a in its lower part which allows it to move away from the vertical edge of the tabs 191a and 191b.
  • the shoulder 280a comes into contact with the upper free edges 191a 'and 191b' of each tab 191a and 191b and passes by elastically deforming them, as seen in Figure 6, so as to produce a sound signal.
  • the duct 14 closes the end 24a of the channel 24 so as to prevent any communication between the outlet orifice 51 and the inside of the distribution duct 24.
  • the tab 28 passes through the slot 19 and is between the two openings 19a and 19b.
  • the lower end of the rib 281 formed on the push button is in axial abutment against the portion 160 of the annular transverse wall 16 so that if the user presses the push button 20, it can not be used. push and can not operate the valve 34.
  • the user rotates the pushbutton 20 around the axis X so as to position the arrow F in front of one of the marks M. If he wishes to spray the product at a relatively large flow rate, he chooses the mark "2" so that the slot 15a is positioned opposite the end 24a of the channel 24.
  • the tab 27 moves in the opening in an arc 18 and the tab 28 moves in the opening in a circular arc 19 until the shoulder 281a of the rib 281 comes against the tab 191a and, because of its elasticity, crosses it to abut against the stop 190a by emitting a sound signal allowing the user to know that the pushbutton is placed in a dispensing position.
  • the rib 281 is located above the opening 19a and the dispensing orifice 51 communicates with the interior of the duct 14, via the slot 15a.
  • the user can then actuate the valve by pressing the push-button as shown in FIG. 6.
  • the rib 281 of the tab 28 sinks into the opening portion 19a while the tab 27 remains attached to the transverse wall 16 by the hook 270.
  • the skirt 23 then moves in a movement having an axial and radial component, causing in its movement the conduit 14, on which it is fitted, the movement duct is possible due to the fact that the wall 12 is deformed.
  • the lower end 14a of the conduit in turn exerts pressure on the valve stem 35 which sinks to actuate the valve 34.
  • the product contained in the container then exits the container through the inner channel of the valve stem and arrives at the dispensing orifice 51 passing through the conduit 14 and the channel 24.
  • valve stem rises and the distribution of the product is interrupted.
  • the user no longer wishes to spray product, he turns the pushbutton so as to position it between the two dispensing positions before repositioning the closure cap 40.
  • a third mark M which is not shown, indicating this closing position can be provided between the two M distribution marks.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Paper (AREA)
  • Closures For Containers (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Coating Apparatus (AREA)

Abstract

The dispensing head for activating a dispensing valve (34) on a container (30) comprises means (11) for fixing the head on the container. A dispensing pipe (14) communicating with the product inside the container comprises two passages (15a) of different sections and is fixed to the fixings by a deformable connection (12). Means (20) activating the dispensing valve are provided with a dispensing orifice (51) formed at the end of a channel (24) of greater length than the diameter of the dispensing orifice. Independent claims are included for dispensing and packaging unit and its use for a cosmetic product.

Description

La présente invention concerne une tête de distribution d'un produit destinée à l'actionnement d'un organe de distribution monté sur un récipient, notamment d'une valve montée sur un récipient pressurisé, et à la distribution d'un produit contenu dans le récipient. En particulier, l'invention concerne une tête de distribution permettant la distribution du produit selon au moins deux débits différents.The present invention relates to a dispensing head of a product intended for the actuation of a dispensing member mounted on a container, in particular of a valve mounted on a pressurized container, and to the dispensing of a product contained in the container. In particular, the invention relates to a dispensing head for dispensing the product according to at least two different flow rates.

Des têtes de distribution de ce type ont déjà été décrites, notamment dans les brevets US 3,363,968 et US 3,703,994.Dispensing heads of this type have already been described, in particular in patents US 3,363,968 and US 3,703,994.

La tête de distribution décrite dans le brevet US 3,363,968 utilise une frette fixée sur le récipient et un bouton-poussoir qui se déplace axialement pour actionner une tige de valve, le bouton poussoir étant mobile en rotation par rapport à la frette entre deux positions de distribution selon deux débits différents. A cet effet, le bouton-poussoir est traversé transversalement par un conduit qui se termine à ses deux extrémités par des ouvertures de section différente. Le conduit est destiné, lors de l'enfoncement du bouton-poussoir, à être mis en regard d'un canal, formé dans la frette, qui débouche par un orifice de distribution. L'utilisateur positionne angulairement le bouton-poussoir par rapport à la frette de manière à ce que l'une ou l'autre des ouvertures du conduit puisse venir en regard du canal afin de distribuer le produit selon le débit choisi en enfonçant le bouton-poussoir.The dispensing head described in US Pat. No. 3,363,968 uses a hoop attached to the container and a push button that moves axially to actuate a valve stem, the push button being rotatable relative to the hoop between two dispensing positions. according to two different flows. For this purpose, the push button is crossed transversely by a conduit which ends at both ends by openings of different section. The duct is intended, when pressing the pushbutton, to be placed opposite a channel, formed in the band, which opens out through a dispensing orifice. The user angularly positions the pushbutton relative to the hoop so that one or the other of the openings of the duct can come opposite the channel in order to dispense the product according to the chosen flow rate by pressing the button. button.

La tête de distribution décrite dans le brevet US 3,703,994 utilise une frette mobile axialement par rapport au récipient en réponse à l'enfoncement d'un bouton-poussoir surmontant la frette et prévu pour actionner une valve. Le bouton-poussoir est également mobile en rotation par rapport à la frette entre trois positions de distribution selon trois débits différents. La frette comprend un conduit axial qui communique avec l'intérieur du récipient, lorsque la valve est actionnée, et qui débouche latéralement par trois ouvertures de section différente, chacune des ouvertures débouchant au-dessus d'un plot encore appelé "centerpost". Le bouton-poussoir comporte une buse de pulvérisation qui, dans chaque position de distribution, vient en regard d'un centerpost. Un conduit de forme complémentaire, solidaire du bouton-poussoir, est inséré dans le conduit de la frette. Le conduit du bouton-poussoir comprend une fente axiale, qui dans chaque position de distribution du bouton-poussoir, vient en regard d'une des ouvertures. Le jeu nécessaire entre la buse et chaque centerpost pour faire tourner le bouton-poussoir entre les trois positions ne permet pas de positionner correctement la buse en regard de chaque centerpost de sorte qu'on obtient difficilement un bon spray. En outre, un tel jeu ne permet pas de positionner de façon identique la buse en regard des différents centerposts de sorte qu'il est très difficile d'obtenir un spray reproductible d'une position à l'autre. Par ailleurs, le conduit reliant la valve à la buse définit un volume relativement important de sorte que, après que l'utilisateur ait relâché le bouton poussoir, tout le produit restant dans ce volume est distribué.The dispensing head described in US Pat. No. 3,703,994 uses a hoop movable axially with respect to the container in response to the depression of a push-button surmounting the hoop and intended to actuate a valve. The pushbutton is also rotatable relative to the collar between three dispensing positions in three different flow rates. The hoop comprises an axial duct which communicates with the interior of the container, when the valve is actuated, and which opens laterally by three openings of different section, each opening opening above a pad also called "centerpost". The push button has a spray nozzle which, in each dispensing position, comes opposite a centerpost. A complementary shaped conduit, integral with the push button, is inserted into the conduit of the hoop. The conduit of the push button comprises an axial slot, which in each distribution position of the push button, comes opposite one of the openings. The necessary clearance between the nozzle and each centerpost to rotate the push button between the three positions does not correctly position the nozzle next to each centerpost so that it is difficult to obtain a good spray. In addition, such a game does not allow to position identically the nozzle facing different centersposts so that it is very difficult to obtain a reproducible spray from one position to another. Furthermore, the conduit connecting the valve to the nozzle defines a relatively large volume so that after the user has released the push button, all the product remaining in this volume is distributed.

Le document US 2,887,273 décrit également une tête de distribution comportant un diffuseur fixé sur le récipient et sur la tige de valve et un bouton-poussoir prévu pour actionner la tige de valve. Le bouton-poussoir est mobile en rotation par rapport au diffuseur entre deux positions de distribution selon deux débits différents. A cet effet, le diffuseur comporte deux orifices de pulvérisation de section différente, diamétralement opposés, et le bouton-poussoir comporte une ouverture dans sa paroi destinée à être mise en regard de l'un ou l'autre des orifices de pulvérisation. Lorsque l'ouverture du bouton-poussoir est en regard de l'un des orifices, l'autre orifice est occulté par une paroi du bouton-poussoir. Selon cette configuration, il est nécessaire de réaliser deux orifices de pulvérisation ce qui complique la réalisation de la tête de distribution puisque de tels orifices sont plus compliqués à réaliser qu'une simple ouverture.US 2,887,273 also discloses a dispensing head having a diffuser attached to the container and the valve stem and a push button for actuating the valve stem. The pushbutton is movable in rotation relative to the diffuser between two distribution positions according to two different flow rates. For this purpose, the diffuser comprises two different diametrically opposed spray orifice of different section, and the push button has an opening in its wall intended to be placed opposite one or the other of the spray orifices. When the opening of the pushbutton is opposite one of the orifices, the other orifice is obscured by a wall of the pushbutton. According to this configuration, it is necessary to make two spray orifices which complicates the production of the dispensing head since such orifices are more complicated to make than a simple opening.

Aussi, est-ce un des objets de l'invention que de réaliser une tête de distribution qui ne présente pas les inconvénients de la technique antérieure.Also, is it an object of the invention to provide a dispensing head which does not have the disadvantages of the prior art.

C'est encore un objet de l'invention que de réaliser une nouvelle tête de distribution permettant la distribution d'un produit selon au moins deux débits différents.It is another object of the invention to provide a new dispensing head for dispensing a product according to at least two different flow rates.

C'est en particulier un objet de l'invention que de réaliser une telle tête qui soit simple à réaliser et peu onéreuse.It is particularly an object of the invention to provide such a head which is simple to produce and inexpensive.

C'est encore un autre objet de l'invention que de réaliser une telle tête qui permet de passer facilement d'une des positions de distribution à l'autre des positions de distribution.It is yet another object of the invention to provide such a head which makes it easy to switch from one of the dispensing positions to the other of the dispensing positions.

Selon l'invention, ces objets peuvent être atteints en réalisant une tête de distribution d'axe X destinée à l'actionnement d'un organe de distribution monté sur un récipient et à la distribution d'un produit contenu dans le récipient, ladite tête comprenant :

  • a) des moyens pour fixer la tête sur le récipient ;
  • b) un conduit de distribution, apte à communiquer avec le produit à l'intérieur du récipient, comprenant au moins deux passages de section différente, le conduit étant obtenu de moulage à partir d'une seule pièce avec les moyens de fixation avec lesquels il est solidaire via des moyens de liaison déformables ;
  • c) des moyens pour actionner l'organe de distribution et faire communiquer le conduit avec l'intérieur du récipient, les moyens d'actionnement étant munis d'un orifice de distribution formé à l'extrémité d'un canal de longueur supérieure au diamètre de l'orifice de distribution, les moyens d'actionnement étant mobiles par rapport au conduit entre au moins deux positions, une première position dans laquelle l'orifice de distribution communique avec l'un des passages, et une seconde position dans laquelle l'orifice de distribution communique avec l'autre des passages.
According to the invention, these objects can be achieved by producing an X-axis dispensing head for actuating a dispensing member mounted on a container and dispensing a product contained in the container, said head comprising:
  • a) means for securing the head to the container;
  • b) a dispensing duct, able to communicate with the product inside the container, comprising at least two passages of different section, the duct being obtained from a single molding with the fixing means with which it is secured via deformable connecting means;
  • c) means for actuating the dispenser member and communicating the conduit with the interior of the container, the actuating means being provided with a dispensing orifice formed at the end of a channel of length greater than the diameter of the dispensing orifice, the actuating means being movable relative to the conduit between at least two positions, a first position in which the dispensing orifice communicates with one of the passages, and a second position in which the dispensing orifice communicates with the other passages.

Les objets de l'invention peuvent également être atteints en réalisant une tête de distribution d'axe X destinée à l'actionnement d'un organe de distribution monté sur un récipient et à la distribution d'un produit contenu dans le récipient, ladite tête comprenant :

  • a) des moyens pour fixer la tête sur le récipient ;
  • b) un conduit de distribution, apte à communiquer avec le produit à l'intérieur du récipient, comprenant au moins deux passages de section différente, le conduit étant obtenu de moulage à partir d'une seule pièce avec les moyens de fixation avec lesquels il est solidaire via des moyens de liaison déformables ;
  • c) des moyens pour actionner l'organe de distribution et faire communiquer le conduit avec l'intérieur du récipient, les moyens d'actionnement étant munis d'un orifice de distribution défini par une buse rapportée, les moyens d'actionnement étant mobiles par rapport au conduit entre au moins deux positions, une première position dans laquelle l'orifice de distribution communique avec l'un des passages, et une seconde position dans laquelle l'orifice de distribution communique avec l'autre des passages.
The objects of the invention can also be achieved by providing an X-axis distribution head for actuating a dispenser member mounted on a container and dispensing a product contained in the container, said head comprising:
  • a) means for securing the head to the container;
  • b) a dispensing duct, able to communicate with the product inside the container, comprising at least two passages of different section, the duct being obtained from a single molding with the fixing means with which it is secured via deformable connecting means;
  • c) means for actuating the dispenser member and communicating the duct with the interior of the container, the actuating means being provided with a dispensing orifice defined by an attached nozzle, the actuating means being movable by relative to the conduit between at least two positions, a first position in which the dispensing orifice communicates with one of the passages, and a second position in which the dispensing orifice communicates with the other of the passages.

Par passage de section différente, on entend des passages qui débouchent sur des ouvertures dont la surface est différente.By passage of different section, we mean passages that open on openings whose surface is different.

Par diamètre de l'orifice de distribution, on entend le diamètre du cercle lorsque l'orifice est circulaire, ou le diamètre du cercle circonscrit à la section de l'orifice lorsque celui-ci a une forme différente d'un cercle.By diameter of the dispensing orifice is meant the diameter of the circle when the orifice is circular, or the diameter of the circle circumscribing the section of the orifice when it has a shape different from a circle.

La présence des moyens de liaison élastiquement déformables permet de réaliser un conduit par un procédé de moulage à partir d'une seule pièce avec des moyens de fixation, qui peut se déplacer par rapport aux moyens de fixation. Une telle pièce est simple à réaliser et est peu onéreuse.The presence of the elastically deformable connecting means makes it possible to produce a duct by a molding process from a single piece with fixing means, which can move relative to the fixing means. Such a piece is simple to make and is inexpensive.

En outre, la tête de distribution est facile à réaliser et peu onéreuse étant donné que l'on n'utilise qu'un seul orifice de pulvérisation formé dans les moyens d'actionnement et que les deux passages de section différente sont facilement réalisables puisqu'ils peuvent être formés lors du moulage du conduit.In addition, the dispensing head is easy to produce and inexpensive since only one spray orifice formed in the actuating means is used and the two passages of different section are easily achievable since they can be formed during the molding of the conduit.

Avantageusement, les moyens de liaisons sont élastiquement déformables, de sorte qu'ils reprennent leur position initiale lorsque la contrainte qui les déforme cesse.Advantageously, the connecting means are elastically deformable, so that they resume their initial position when the constraint that deforms them ceases.

Avantageusement, les moyens de fixation sont montés de manière fixe axialement sur le récipient de manière à ce que la tête soit correctement maintenue sur le récipient.Advantageously, the fixing means are fixedly mounted axially on the container so that the head is properly held on the container.

Les moyens de liaison autorisent un déplacement du conduit en réponse à l'actionnement des moyens d'actionnement.The connecting means allow a displacement of the conduit in response to the actuation of the actuating means.

Selon un mode de réalisation préféré, les moyens de liaison sont constitués par une paroi transversale à l'axe X, qui est ondulée. Cette configuration de la paroi lui permet de facilement se déformer et de revenir facilement dans sa position initiale.According to a preferred embodiment, the connecting means consist of a wall transverse to the X axis, which is corrugated. This configuration of the wall allows it to easily deform and return easily to its initial position.

Le conduit est formé selon l'axe X et comporte une première extrémité sur laquelle sont emmanchés les moyens d'actionnement et une seconde extrémité apte à coopérer avec l'organe de distribution. Ainsi, le conduit transmet directement la pression exercée sur les moyens d'actionnement à l'organe de distribution.The duct is formed along the X axis and has a first end on which are fitted the actuating means and a second end adapted to cooperate with the dispensing member. Thus, the conduit directly transmits the pressure exerted on the actuating means to the dispenser member.

Les passages peuvent être des fentes s'étendant parallèlement à l'axe X qui sont de largeur différente qui sont angulairement espacées. Il est bien évident que toute autre forme de passage peut être utilisée. Les moyens d'actionnement sont alors mobiles en rotation autour de l'axe X entre les première et seconde positions.The passages may be slots extending parallel to the X axis which are of different width which are angularly spaced. It is obvious that any other form of passage can be used. The actuating means are then rotatable about the X axis between the first and second positions.

Avantageusement, la tête de distribution peut être configurée de manière à n'autoriser l'actionnement de l'organe de distribution que lorsque les moyens d'actionnement sont dans les première et seconde positions. A cet effet, la tête de distribution peut comprendre une butée axiale contre laquelle les moyens d'actionnement viennent en appui lorsqu'ils ne sont pas dans l'une ou l'autre des première et seconde positions de manière à empêcher l'actionnement de l'organe de distribution.Advantageously, the dispensing head may be configured to allow the actuation of the dispenser member only when the actuating means are in the first and second positions. For this purpose, the dispensing head may comprise an axial stop against which the actuating means bear when they are not in one or the other. first and second positions so as to prevent actuation of the dispenser member.

Avantageusement, la tête de distribution peut comprendre au moins deux butées radiales limitant le mouvement de rotation des moyens d'actionnement.Advantageously, the dispensing head may comprise at least two radial stops limiting the rotational movement of the actuating means.

Avantageusement encore, la tête de distribution peut comprendre des moyens d'identification sonore pour signaler la mise en position dans l'une ou l'autre des première et seconde positions. Les moyens d'identification sonore peuvent être constitués par la coopération d'un premier relief formé sur les moyens d'actionnement et d'un second relief solidaire du conduit, le premier relief étant apte, lors du déplacement des moyens d'actionnement par rapport au conduit, à venir en contact avec le second relief et à le franchir en le déformant élastiquement de manière à produire un signal sonore.Advantageously, the dispensing head may comprise sound identification means for signaling the positioning in one or the other of the first and second positions. The sound identification means may be constituted by the cooperation of a first relief formed on the actuating means and a second integral relief of the duct, the first relief being suitable, when the actuating means are moved relative to each other. in the conduit, to come into contact with the second relief and to cross it by deforming it elastically so as to produce a sound signal.

La tête de distribution peut également comprendre des moyens d'identification visuelle pour identifier les première et seconde positions.The dispensing head may also include visual identification means for identifying the first and second positions.

L'invention concerne également un ensemble de conditionnement et de distribution d'un produit comprenant :

  • un récipient contenant le produit et équipé d'un organe de distribution ;
  • une tête de distribution telle qu'elle vient d'être décrite prévue pour activer l'organe de distribution afin de distribuer le produit.
The invention also relates to a package for packaging and dispensing a product comprising:
  • a container containing the product and equipped with a dispensing member;
  • a dispensing head as just described intended to activate the dispensing member to distribute the product.

Le récipient peut être pressurisé et l'organe de distribution peut être une valve mâle comprenant une tige de valve sur laquelle le conduit est emmanché, ou bien une valve femelle, c'est-à-dire sans tige de valve, dans laquelle est emmanché le conduit. Alternativement, le récipient est à pression atmosphérique et est équipé d'une pompe.The container may be pressurized and the dispensing member may be a male valve comprising a valve stem on which the conduit is fitted, or a female valve, that is to say without valve stem, in which is fitted the conduit. Alternatively, the container is at atmospheric pressure and is equipped with a pump.

L'invention est particulièrement utile pour le conditionnement et la distribution d'un produit cosmétique ou de soin, notamment d'un produit capillaire.The invention is particularly useful for packaging and dispensing a cosmetic or care product, especially a hair product.

L'invention consiste, mis à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions qui seront explicitées ci-après, à propos d'exemples de réalisation non limitatifs, décrits en référence aux figures annexées, parmi lesquelles :

  • la figure 1 illustre une vue en perspective d'un mode de réalisation d'un ensemble de conditionnement et de distribution muni d'une tête de distribution selon l'invention ;
  • la figure 2 illustre une vue éclatée du mode de réalisation de la figure 1 ;
  • la figure 3 représente une vue de dessus selon la flèche 3 d'une partie de la tête de distribution illustrée à la figure 2 ;
  • la figure 4 représente en coupe axiale la tête de distribution en position de fermeture ;
  • la figure 5 représente en coupe axiale la tête de distribution dans une position de distribution, la valve n'étant pas actionnée ;
  • la figure 6 représente un détail de la tête de distribution lors du passage de la position de fermeture à la position de distribution ;
  • la figure 7 représente en coupe axiale la tête de distribution en position de distribution, la valve étant actionnée ; et
  • la figure 8 représente une variante du conduit formé sur la frette de la tête de distribution.
The invention consists, apart from the arrangements set out above, in a certain number of other arrangements which will be explained below, with reference to nonlimiting exemplary embodiments, described with reference to the appended figures, among which:
  • Figure 1 illustrates a perspective view of an embodiment of a packaging and dispensing assembly provided with a dispensing head according to the invention;
  • Figure 2 illustrates an exploded view of the embodiment of Figure 1;
  • Figure 3 shows a top view along the arrow 3 of a portion of the dispensing head shown in Figure 2;
  • Figure 4 shows in axial section the dispensing head in the closed position;
  • Figure 5 shows in axial section the dispensing head in a dispensing position, the valve is not actuated;
  • Figure 6 shows a detail of the dispensing head during the transition from the closed position to the dispensing position;
  • Figure 7 shows in axial section the dispensing head in the dispensing position, the valve being actuated; and
  • Figure 8 shows a variant of the duct formed on the collar of the dispensing head.

L'ensemble de conditionnement et de distribution illustré sur les figures 1 à 7 est formé d'un récipient pressurisé 30, représenté partiellement sur les figures 2, 4, 5 et 7 sur lequel est fixée une tête de distribution 1 selon l'invention qui peut être fermée par un capot 40.The packaging and distribution assembly illustrated in FIGS. 1 to 7 is formed of a pressurized container 30, partially shown in FIGS. 2, 4, 5 and 7, on which is fixed a dispensing head 1 according to the invention which can be closed by a hood 40.

Le récipient 30 est formé par un bidon pressurisé d'axe X, formé par un corps cylindrique 31 de révolution, dont l'extrémité supérieure est fermée par une coupelle 32 sertie sur un bord roulé 33 du récipient. La coupelle 32 est munie d'une valve 34 qui comporte une tige de valve 35 creuse et qui peut être actionnée par exemple par enfoncement de la tige de valve. Il est bien évident que l'on peut alternativement utiliser une valve qui peut être actionnée par basculement de la tige de valve.The container 30 is formed by a pressurized canister X axis, formed by a cylindrical body 31 of revolution, the upper end is closed by a cup 32 set on a rolled edge 33 of the container. The cup 32 is provided with a valve 34 which has a hollow valve stem 35 and which can be actuated for example by depressing the valve stem. It is obvious that one can alternatively use a valve that can be actuated by tilting of the valve stem.

Le récipient 30 peut contenir un produit à pulvériser, par exemple un produit cosmétique, et un gaz propulseur, lequel peut être ou non stocké sous une forme liquéfiée dans le récipient 30 et être ou non délivré avec le produit. Le produit sort alors sous forme de spray, c'est-à-dire sous la forme de fines particules en suspension soit dans le gaz, soit dans l'air.The container 30 may contain a product to be sprayed, for example a cosmetic product, and a propellant, which may or may not be stored in liquefied form in the container 30 and may or may not be delivered with the product. The product then exits in the form of a spray, that is to say in the form of fine particles in suspension either in the gas or in the air.

La tête de distribution 1 est également d'axe X et est formée de deux parties mobiles l'une par rapport à l'autre entre deux positions permettant chacune la distribution du produit selon un débit différent. La première partie de la tête est constituée d'une frette 10 permettant de protéger la tige de valve et destinée à être fixée sur le récipient. La seconde partie est constituée d'un bouton-poussoir 20, permettant l'actionnement de la valve et qui est mobile en rotation par rapport à la frette. Chacune des deux pièces est obtenue de moulage d'un matériau thermoplastique à partir d'une seule pièce.The dispensing head 1 is also X-axis and is formed of two parts movable relative to each other between two positions each for dispensing the product at a different flow rate. The first part of the head consists of a hoop 10 for protecting the valve stem and intended to be fixed on the container. The second part consists of a push button 20, allowing the actuation of the valve and which is rotatable relative to the hoop. Each of the two pieces is obtained by molding a thermoplastic material from a single piece.

La frette 10 comprend une jupe de fixation 11 pour fixer la tête sur le récipient. La jupe de fixation 11 est munie d'un bourrelet annulaire 110 sur sa paroi intérieure permettant de la fixer sur le récipient par encliquetage sous le bord roulé 33 du récipient et la coupelle 32. La jupe de fixation 11 présente un décrochement radial 111 vers l'intérieur de la jupe et se prolonge axialement au-dessus du décrochement jusqu'à une extrémité supérieure depuis laquelle est formée une paroi transversale 12. Des ailettes radiales 13, angulairement espacées sur la périphérie de la surface interne de la jupe de fixation, s'étendent parallèlement à l'axe X depuis le décrochement 111 jusqu'à un bord libre inférieur 130. Le bord libre 130 est prévu pour venir en butée contre le récipient en position montée de la frette sur le récipient, comme on le voit sur les figures 4, 5 et 7. Les ailettes 13 permettent ainsi de limiter l'enfoncement axial de la frette lors de son encliquetage sur le récipient.The hoop 10 comprises a fastening skirt 11 for fixing the head on the container. The fixing skirt 11 is provided with an annular bead 110 on its inner wall making it possible to fix it on the container by snapping under the rolled edge 33 of the container and the cup 32. The fixing skirt 11 has a radial recess 111 towards the inside the skirt and extends axially above the recess to an upper end from which is formed a transverse wall 12. Radial fins 13, angularly spaced on the periphery of the inner surface of the fixing skirt, s extend parallel to the X axis from the recess 111 to a lower free edge 130. The free edge 130 is provided to abut against the container in the mounted position of the hoop on the container, as seen on the Figures 4, 5 and 7. The fins 13 and allow to limit the axial depression of the hoop when snapped onto the container.

La paroi transversale 12 est une paroi fine qui présente une ondulation de sorte qu'elle est élastiquement déformable ce qui lui permet de se déformer lorsqu'on la sollicite axialement. La paroi 12 est traversée en son centre par un conduit 14 formé dans l'axe X.The transverse wall 12 is a thin wall which has a corrugation so that it is elastically deformable which allows it to deform when it is axially stressed. The wall 12 is traversed at its center by a conduit 14 formed in the X axis.

Le conduit 14 s'étend de part et d'autre de la paroi transversale 12 depuis une extrémité inférieure 14a ouverte qui vient s'emmancher sur la tige de valve 35, jusqu'à une extrémité supérieure 14b, également ouverte, sur laquelle vient s'emmancher une jupe axiale 23 du bouton-poussoir. Une gorge annulaire 14c est prévue sur la surface externe du conduit 14 pour recevoir un cordon annulaire 23a prévu sur la surface interne de la jupe axiale 23 du bouton-poussoir afin d'assurer le maintien axial du bouton-poussoir sur la frette. En outre, la coopération du cordon annulaire 23a avec la gorge annulaire 14c assure une étanchéité entre le conduit et l'intérieur du bouton-poussoir.The conduit 14 extends on either side of the transverse wall 12 from an open lower end 14a which is engaged on the valve stem 35, to an upper end 14b, also open, on which comes s to press an axial skirt 23 of the push-button. An annular groove 14c is provided on the outer surface of the conduit 14 to receive an annular bead 23a provided on the inner surface of the axial skirt 23 of the push button to ensure the axial retention of the push button on the hoop. In addition, the cooperation of the annular bead 23a with the annular groove 14c ensures a seal between the conduit and the inside of the push button.

Le conduit 14 est de forme cylindrique de révolution et définit dans sa partie inférieure un logement épaulé dans lequel peut s'engager de manière sensiblement étanche la partie supérieure de la tige de valve 35 dont l'extrémité supérieure 35a vient en butée contre l'épaulement du logement. L'extrémité inférieure 14a du conduit s'évase légèrement afin de faciliter la mise en place du conduit sur la tige de valve. L'extrémité supérieure 14b comporte deux fentes axiales 15a et 15b de largeur différente qui définissent deux passages pour le produit de section différente permettant de faire sortir le produit selon deux débits différents. Il est bien évident que l'on peut prévoir autant de fentes de largeur différente que l'on souhaite obtenir de débits différents. Selon l'exemple particulier représenté, les deux fentes 15a et 15b sont angulairement espacées d'environ 80°.The duct 14 has a cylindrical shape of revolution and defines in its lower part a shouldered housing in which the upper part of the valve stem 35, whose upper end 35a abuts against the shoulder, can be substantially sealingly engaged. housing. The lower end 14a of the channel flares slightly to facilitate the introduction of the conduit on the valve stem. The upper end 14b has two axial slots 15a and 15b of different widths which define two passages for the product of different section to output the product at two different rates. It is obvious that one can provide as many slots of different width that it is desired to obtain different rates. According to the particular example shown, the two slots 15a and 15b are angularly spaced by about 80 °.

Selon une variante représentée à la figure 8, l'extrémité supérieure 14b du conduit comporte un premier passage 15a formé par une fente débouchant sur une ouverture de plus grande section. L'extrémité supérieure 14b comporte également un second passage 15b pour le produit, plus long que le premier et qui se termine par une seconde ouverture sous forme de rainure de plus petite section que l'ouverture du premier passage. Cette rainure se raccorde à la première fente par un décrochement 60 formé à l'extrémité supérieure du conduit 14. Selon cette variante, le produit provenant du conduit 14 est acheminé jusqu'à la seconde ouverture par une partie de la première fente 15a et par le décrochement 60.According to a variant shown in Figure 8, the upper end 14b of the duct has a first passage 15a formed by a slot opening on an opening of larger section. The upper end 14b also has a second passage 15b for the product, longer than the first and which ends with a second opening in the form of a groove of smaller section than the opening of the first passage. This groove is connected to the first slot by a recess 60 formed at the upper end of the conduit 14. According to this variant, the product coming from the conduit 14 is fed to the second opening by a portion of the first slot 15a and the recess 60.

La jupe de fixation 11 se raccorde au niveau du décrochement 111, par une paroi transversale annulaire 16, à une jupe extérieure 17, concentrique de la jupe de fixation 11. La jupe extérieure 17 est destinée à former le prolongement de la paroi du récipient lorsque la tête de distribution est montée sur le récipient. Deux marques M sont prévues sur la surface externe de cette jupe 17 qui indiquent visuellement les positions angulaires des deux fentes 15a et 15b. Une première marque M est par exemple le chiffre "1" qui correspond à la position de la fente 15b de plus petite largeur et donc qui permet une distribution selon un faible débit, et une seconde marque M est par exemple le chiffre "2" qui correspond à la position de la fente 15a de plus grande largeur et donc qui permet une distribution selon un débit plus important. La jupe extérieure 17 comporte un épaulement 170 et se prolonge axialement au-dessus de cet épaulement par une couronne axiale 171. La couronne 171 comporte un cordon annulaire 172 sur sa paroi externe permettant la fixation du capot de fermeture 40 par encliquetage dans une gorge annulaire 410 présente sur la surface interne de la paroi latérale 41 du capot. En position montée du capot sur la tête de distribution, la paroi latérale 41 du capot constitue le prolongement de la jupe extérieure 17 et le bord libre 411 du capot est en butée contre l'épaulement 170.The fastening skirt 11 is connected at the recess 111, by an annular transverse wall 16, to an outer skirt 17, concentric with the fastening skirt 11. The outer skirt 17 is intended to form the extension of the wall of the container when the dispensing head is mounted on the container. Two marks M are provided on the outer surface of this skirt 17 which visually indicate the angular positions of the two slots 15a and 15b. A first mark M is for example the number "1" which corresponds to the position of the slot 15b of smaller width and therefore which allows a distribution at a low flow, and a second mark M is for example the number "2" which corresponds to the position of the slot 15a of greater width and therefore allows a distribution at a higher rate. The outer skirt 17 has a shoulder 170 and extends axially above this shoulder by an axial ring 171. The ring 171 comprises an annular bead 172 on its outer wall for fixing the closure cap 40 by snapping into an annular groove 410 on the inner surface of the side wall 41 of the hood. In the mounted position of the hood on the dispensing head, the side wall 41 of the hood constitutes the extension of the outer skirt 17 and the free edge 411 of the hood abuts against the shoulder 170.

La paroi transversale annulaire 16 de la frette est traversée par deux ouvertures en arc de cercle 18 et 19, diamétralement opposées sur la paroi transversale annulaire, formées à proximité de la jupe extérieure 17, et dans lesquelles sont destinées à se déplacer deux pattes du bouton-poussoir, comme on le verra en détail par la suite. La première ouverture 18 est formée du côté des fentes axiales 15a et 15b du conduit et la seconde ouverture 19 est formée à l'arrière des fentes axiales 15a et 15b.The annular transverse wall 16 of the hoop is traversed by two diametrically opposite circular-arc-shaped openings 18 and 19 on the annular transverse wall, formed near the outer skirt 17, and in which two legs of the button are to be displaced. -poussoir, as will be seen in detail later. The first opening 18 is formed on the side of the axial slots 15a and 15b of the duct and the second opening 19 is formed behind the axial slots 15a and 15b.

La seconde ouverture en arc de cercle 19 se termine, à proximité de chaque extrémité de l'arc de cercle, par deux portions d'ouverture 19a et 19b qui prolongent radialement vers l'intérieur l'ouverture 19. Les portions d'ouverture 19a et 19b sont angulairement espacées d'environ 80° et sont chacune formées respectivement selon le diamètre passant par chacune des fentes axiales 15a et 15b. La portion 160 de la paroi transversale annulaire 16 située entre chaque portion d'ouverture 19a et 19b sert de butée axiale pour le bouton-poussoir comme on le verra en détail ultérieurement. Deux butées verticales 190a et 190b bordent respectivement chaque bord extérieur de chaque portion d'ouverture 19a et 19b. Les butées 190a et 190b s'étendent axialement depuis la paroi transversale annulaire 16 jusqu'à un bord libre supérieur, et s'étendent radialement depuis la surface externe de la jupe de fixation 11 jusqu'à la fente 19. Les butées 190a et 190b sont relativement rigides du fait qu'elles sont solidaires à la fois de la paroi annulaire transversale 16 et de la jupe de fixation 11, et permettent ainsi de limiter le mouvement de rotation du bouton-poussoir. Deux languettes radiales 191a et 191b s'étendent axialement depuis la paroi transversale annulaire 16 jusqu'à un bord libre supérieur 191a' et 191b'. Elles sont formées du côté du bord intérieur de chaque portion d'ouverture 19a et 19b. Les languettes 191a et 191b s'étendent, sur une hauteur axiale inférieure à celle des butées 190a et 190b et sont également moins larges que les butées 190a et 190b. Les languettes 191a et 191b ne s'étendent pas jusqu'à l'ouverture en arc de cercle 19 et sont formées à distance de la jupe de fixation 11 de sorte qu'elles sont élastiquement déformables. Les languettes 191a et 191b coopèrent avec le bouton-poussoir de manière à constituer un moyen d'identification sonore pour indiquer le passage en position d'utilisation.The second opening in an arc of circle 19 ends, near each end of the arc of circle, by two opening portions 19a and 19b which extend radially inward the opening 19. The opening portions 19a and 19b are angularly spaced by about 80 ° and are each formed respectively according to the diameter passing through each of the axial slots 15a and 15b. The portion 160 of the annular transverse wall 16 located between each opening portion 19a and 19b serves as an axial stop for the push button as will be seen in detail later. Two vertical stops 190a and 190b respectively border each outer edge of each opening portion 19a and 19b. The stops 190a and 190b extend axially from the annular transverse wall 16 to an upper free edge, and extend radially from the outer surface of the fastening skirt 11 to the slot 19. The stops 190a and 190b are relatively rigid because they are secured to both the transverse annular wall 16 and the fixing skirt 11, and thus limit the rotational movement of the push button. Two radial tabs 191a and 191b extend axially from the annular transverse wall 16 to an upper free edge 191a 'and 191b'. They are formed on the inner edge side of each opening portion 19a and 19b. The tabs 191a and 191b extend over an axial height less than that of the stops 190a and 190b and are also narrower than the stops 190a and 190b. The tongues 191a and 191b do not extend to the opening in a circular arc 19 and are formed at a distance from the fixing skirt 11 so that they are elastically deformable. The tabs 191a and 191b cooperate with the pushbutton so as to constitute a sound identification means to indicate the passage in the use position.

Pour actionner la valve, la tête de distribution comprend un bouton-poussoir 20 qui comporte une paroi supérieure 21, destinée à servir d'appui à un doigt de l'utilisateur. La paroi supérieure 21 se raccorde en périphérie à une première jupe 22, de diamètre inférieur au diamètre de la jupe extérieure 17 de la frette.To actuate the valve, the dispensing head comprises a push button 20 which has an upper wall 21, intended to serve as a support for a finger of the user. The upper wall 21 is connected at the periphery to a first skirt 22, of smaller diameter than the diameter of the outer skirt 17 of the hoop.

Le bouton-poussoir 20 comporte, à l'intérieur de la première jupe 22, une deuxième jupe 23, cylindrique de révolution. La jupe 23 est d'axe X et vient s'emmancher sur l'extrémité supérieure 14b du conduit 14 autour duquel elle est mobile en rotation. Dans la partie supérieure de la jupe 23 débouche, par une première extrémité 24a, un canal 24, sensiblement radial, dont la seconde extrémité 24b débouche dans un support de buse. Le support de buse comporte un plot 25, ou "centerpost" sur lequel peut être fixée une buse à canaux tourbillonnaires 50 conventionnelle. La buse 50 définit un orifice de distribution 51.The push-button 20 comprises, inside the first skirt 22, a second skirt 23, cylindrical of revolution. The skirt 23 is of axis X and comes to slip on the upper end 14b of the conduit 14 around which it is mobile in rotation. In the upper part of the skirt 23 opens, through a first end 24a, a channel 24, substantially radial, the second end 24b opens into a nozzle holder. The nozzle support comprises a stud 25, or "centerpost" on which can be attached a conventional swirl channel nozzle 50. The nozzle 50 defines a dispensing orifice 51.

Une flèche F est prévue sur la paroi supérieure 21 pour indiquer la position angulaire de l'extrémité 24a du canal 24, de sorte que lorsqu'elle est mise en regard de l'une ou l'autre marque M prévue sur la frette, cela indique visuellement à l'utilisateur les deux positions dans lesquelles il peut actionner le bouton-poussoir pour distribuer le produit.An arrow F is provided on the upper wall 21 to indicate the angular position of the end 24a of the channel 24, so that when it is placed opposite one or the other mark M provided on the hoop, this visually indicates to the user the two positions in which he can actuate the push-button to distribute the product.

Une pointe 26 d'axe X est formée à l'intérieur de la deuxième jupe 23 et vient s'insérer à l'intérieur du conduit 14 lorsque le bouton-poussoir est monté sur la frette. La pointe 26 a un diamètre légèrement inférieur à celui du conduit de manière à former un passage annulaire pour le produit à l'intérieur du conduit. La pointe 26 permet de limiter le volume mort à l'intérieur du conduit et ainsi limiter les pertes de charge à l'intérieur du conduit afin d'optimiser le débit avec lequel le produit sort. En outre, en diminuant le volume mort, on diminue le volume de produit que peut contenir la tête de distribution entre la valve 34 et l'orifice de distribution 51. Ainsi, la pulvérisation du produit par l'orifice de distribution s'arrête sensiblement à l'instant où l'utilisateur relâche le bouton-poussoir, c'est-à-dire dès que la valve n'est plus ouverte puisque la quantité de produit restant à l'intérieur de la tête est relativement faible.An X axis tip 26 is formed inside the second skirt 23 and is inserted inside the conduit 14 when the push button is mounted on the hoop. The tip 26 has a diameter slightly smaller than that of the conduit so as to form an annular passage for the product inside the conduit. The tip 26 makes it possible to limit the dead volume inside the duct and thus limit the pressure drops inside the duct in order to optimize the flow rate with which the product leaves. In addition, by decreasing the dead volume, it reduces the volume of product that can contain the dispensing head between the valve 34 and the dispensing orifice 51. Thus, the spraying of the product through the dispensing orifice stops substantially. at the moment when the user releases the push button, that is to say as soon as the valve is no longer open since the quantity of product remaining inside the head is relatively small.

La jupe périphérique 22 du bouton-poussoir se prolonge axialement, dans sa partie inférieure, sur deux portions angulaires diamétralement opposées, par deux pattes 27 et 28, prévues chacune pour se déplacer respectivement dans les ouvertures en arc de cercle 18 et 19 prévues dans la frette. Chaque patte 27 et 28 est munie à son extrémité inférieure d'un crochet 270 et 280 qui vient en butée sous la paroi transversale annulaire 16, lorsque les pattes traversent les ouvertures 27 et 28. Les crochets 270 et 280 servent à maintenir axialement le bouton-poussoir sur la frette. La patte 27, située du côté de l'orifice de distribution 51, est prévue pour se déplacer dans l'ouverture en arc de cercle 18. La patte 28 est prévue pour se déplacer dans l'ouverture en arc de cercle 19. La patte 28 comprend une nervure 281 dont la longueur axiale et la longueur radiale sont suffisantes pour venir en butée contre chaque butée 190a et 190b lors du mouvement de rotation du bouton-poussoir sur la frette. La nervure 281 présente un épaulement 281a dans sa parte inférieure qui lui permet de passer à distance du bord vertical des languettes 191a et 191b. Toutefois, l'épaulement 280a vient en contact avec les bords libres supérieurs 191a' et 191b' de chaque languette 191a et 191b et les franchit en les déformant élastiquement, comme on le voit à la figure 6, de manière à produire un signal sonore.The peripheral skirt 22 of the push-button extends axially, in its lower part, on two diametrically opposite angular portions, by two tabs 27 and 28, each provided for moving respectively in the arcuate openings 18 and 19 provided in FIG. fret. Each tab 27 and 28 is provided at its lower end with a hook 270 and 280 which abuts under the annular transverse wall 16, when the tabs pass through the openings 27 and 28. The hooks 270 and 280 serve to maintain axially the push-button on the hoop. The tab 27, located on the side of the dispensing orifice 51, is provided to move in the opening in a circular arc 18. The tab 28 is provided to move in the opening in an arc 19. The leg 28 comprises a rib 281 whose axial length and radial length are sufficient to abut against each stop 190a and 190b during the rotational movement of the push button on the hoop. The rib 281 has a shoulder 281a in its lower part which allows it to move away from the vertical edge of the tabs 191a and 191b. However, the shoulder 280a comes into contact with the upper free edges 191a 'and 191b' of each tab 191a and 191b and passes by elastically deforming them, as seen in Figure 6, so as to produce a sound signal.

En position de stockage représentée sur les figures 3 et 4, le conduit 14 obture l'extrémité 24a du canal 24 de manière à empêcher toute communication entre l'orifice de sortie 51 et l'intérieur du conduit de distribution 24. Dans cette position, la patte 28 traverse la fente 19 et se situe entre les deux ouvertures 19a et 19b. L'extrémité inférieure de la nervure 281 formée sur le bouton-poussoir est en butée axiale contre la portion 160 de la paroi transversale annulaire 16 de sorte que si l'utilisateur appuie sur le bouton-poussoir 20, celui-ci ne peut s'enfoncer et ne peut donc pas actionner la valve 34.In the storage position shown in FIGS. 3 and 4, the duct 14 closes the end 24a of the channel 24 so as to prevent any communication between the outlet orifice 51 and the inside of the distribution duct 24. In this position, the tab 28 passes through the slot 19 and is between the two openings 19a and 19b. The lower end of the rib 281 formed on the push button is in axial abutment against the portion 160 of the annular transverse wall 16 so that if the user presses the push button 20, it can not be used. push and can not operate the valve 34.

Pour distribuer le produit, l'utilisateur fait tourner le bouton-poussoir 20 autour de l'axe X de manière à positionner la flèche F en face d'une des marques M. S'il souhaite pulvériser le produit selon un débit relativement important, il choisit la marque "2" de sorte que la fente 15a est positionnée en regard de l'extrémité 24a du canal 24. Lors du mouvement de rotation du bouton-poussoir, la patte 27 se déplace dans l'ouverture en arc de cercle 18 et la patte 28 se déplace dans l'ouverture en arc de cercle 19 jusqu'à ce que l'épaulement 281a de la nervure 281 vienne contre la languette 191a et, du fait de son élasticité, la franchisse pour venir en butée contre la butée 190a en émettant un signal sonore permettant à l'utilisateur de savoir que le bouton-poussoir est placé dans une position de distribution. Dans cette position représentée à la figure 5, la nervure 281 se situe au-dessus de l'ouverture 19a et l'orifice de distribution 51 communique avec l'intérieur du conduit 14, via la fente 15a.To distribute the product, the user rotates the pushbutton 20 around the axis X so as to position the arrow F in front of one of the marks M. If he wishes to spray the product at a relatively large flow rate, he chooses the mark "2" so that the slot 15a is positioned opposite the end 24a of the channel 24. During the rotary movement of the pushbutton, the tab 27 moves in the opening in an arc 18 and the tab 28 moves in the opening in a circular arc 19 until the shoulder 281a of the rib 281 comes against the tab 191a and, because of its elasticity, crosses it to abut against the stop 190a by emitting a sound signal allowing the user to know that the pushbutton is placed in a dispensing position. In this position shown in FIG. 5, the rib 281 is located above the opening 19a and the dispensing orifice 51 communicates with the interior of the duct 14, via the slot 15a.

L'utilisateur peut ensuite actionner la valve en appuyant sur le bouton-poussoir comme on l'a représenté à la figure 6. En appuyant sur la paroi supérieure 21, la nervure 281 de la patte 28 s'enfonce dans la portion d'ouverture 19a alors que la patte 27 reste accrochée à la paroi transversale 16 grâce au crochet 270. La jupe 23 se déplace alors selon un mouvement ayant une composante axiale et radiale en entraînant dans son mouvement le conduit 14, sur lequel elle est emmanchée, le mouvement du conduit étant possible grâce au fait que la paroi 12 se déforme. L'extrémité inférieure 14a du conduit exerce à son tour une pression sur la tige de valve 35 qui s'enfonce de manière à actionner la valve 34. Le produit contenu dans le récipient sort alors du récipient par le canal intérieur de la tige de valve et arrive à l'orifice de distribution 51 en passant par le conduit 14 et le canal 24. Lorsque l'utilisateur relâche le bouton-poussoir, la tige de valve remonte et la distribution du produit s'interrompt. Lorsque l'utilisateur ne souhaite plus pulvériser de produit, il tourne le bouton-poussoir de manière à le positionner entre les deux positions de distribution avant de repositionner le capot de fermeture 40. Une troisième marque M, qui n'est pas représentée, indiquant cette position de fermeture peut être prévue entre les deux marques M de distribution.The user can then actuate the valve by pressing the push-button as shown in FIG. 6. By pressing on the upper wall 21, the rib 281 of the tab 28 sinks into the opening portion 19a while the tab 27 remains attached to the transverse wall 16 by the hook 270. The skirt 23 then moves in a movement having an axial and radial component, causing in its movement the conduit 14, on which it is fitted, the movement duct is possible due to the fact that the wall 12 is deformed. The lower end 14a of the conduit in turn exerts pressure on the valve stem 35 which sinks to actuate the valve 34. The product contained in the container then exits the container through the inner channel of the valve stem and arrives at the dispensing orifice 51 passing through the conduit 14 and the channel 24. When the user releases the pushbutton, the valve stem rises and the distribution of the product is interrupted. When the user no longer wishes to spray product, he turns the pushbutton so as to position it between the two dispensing positions before repositioning the closure cap 40. A third mark M, which is not shown, indicating this closing position can be provided between the two M distribution marks.

Dans la description détaillée qui précède, il a été fait référence à des modes de réalisation préférés de l'invention. Il est évident que des variantes peuvent y être apportées sans s'écarter de l'object de l'invention telle que revendiquée ci-après.In the foregoing detailed description, reference has been made to preferred embodiments of the invention. It is obvious that variations can be made without departing from the object of the invention as claimed below.

Claims (22)

  1. Dispensing head (1) of axis X designed to actuate a dispensing member (34) mounted on a container (30) and to dispense a product contained in the container, said head comprising:
    a) means (11) for fixing the head on the container;
    b) a dispensing conduit (14) capable of communicating with the product inside the container, comprising at least two passages (15a; 15b) of different cross section, the conduit being obtained by moulding from a single piece together with the fixing means, with which it is integral via deformable linking means (12);
    c) means (20) for actuating the dispensing member and causing the conduit to communicate with the inside of the container, the actuating means being provided with a dispensing orifice (51) formed at the end of a channel (24) of a length greater than the diameter of the dispensing orifice, the actuating means (20) being movable relative to the conduit between at least two positions, a first position in which the dispensing orifice (51) communicates with one (15a) of the passages and a second position in which the dispensing orifice communicates with the other (15b) of the passages.
  2. Dispensing head according to Claim 1, characterized in that the linking means (12) are elastically deformable.
  3. Dispensing head according to Claim 1 or 2, characterized in that the fixing means (11) are mounted in an axially stationary manner on the container (30).
  4. Dispensing head according to any one of the preceding claims, characterized in that the linking means (12) allow a displacement of the conduit (14) in response to actuation by the actuating means (20).
  5. Dispensing head according to any one of the preceding claims, characterized in that the linking means (12) consist of a wall transverse to the axis X, the wall being corrugated.
  6. Dispensing head according to any one of the preceding claims, characterized in that the conduit (14) includes a first end (14a) capable of interacting with the dispensing member (34).
  7. Dispensing head according to any one of the preceding claims, characterized in that the conduit includes a second end (14b) onto which the actuating means (20) are fitted.
  8. Dispensing head according to any one of the preceding claims, characterized in that the conduit (14) is formed in the axis X.
  9. Dispensing head according to any one of the preceding claims, characterized in that a point (26) is arranged inside the conduit (14) so as to define an annular passage for the product over at least part of the conduit.
  10. Dispensing head according to any one of the preceding claims, characterized in that the passages (15a; 15b) are slots extending parallel to the axis X, said slots having different widths.
  11. Dispensing head according to any one of the preceding claims, characterized in that the actuating means (20) are movable in rotation about the axis X between the first and second positions.
  12. Dispensing head according to any one of the preceding claims, characterized in that it is configured so as to allow actuation of the dispensing member (34) only when the actuating means (20) are in the first and second positions.
  13. Dispensing head according to Claim 12, characterized in that it comprises an axial stop (160) against which the actuating means (20) bear when they are not in one or other of the first and second positions, so as to prevent actuation of the dispensing member (34).
  14. Dispensing head according to any one of the preceding claims, characterized in that it comprises at least two radial stops (190a; 190b) limiting the rotation movement of the actuating means (20).
  15. Dispensing head according to any one of the preceding claims, characterized in that it comprises audible identification means (281, 191a; 191b) to signal positioning in one or other of the first and second positions.
  16. Dispensing head according to Claim 15, characterized in that the audible identification means consist of cooperation between a first relief (281) formed on the actuating means (20) and a second relief (191a; 191b) integral with the conduit, the first relief being capable, upon displacement of the actuating means relative to the conduit, of coming into contact with the second relief and of passing it, deforming it elastically so as to produce an audible signal.
  17. Dispensing head according to any one of the preceding claims, characterized in that it comprises visual identification means (F; M) for identifying the first and second positions.
  18. Storage and dispensing device for a product comprising:
    - a container (30) containing the product and equipped with a dispensing member (34) surmounting the container; and
    - a dispensing head (1) according to any one of the preceding claims, provided in order to activate the dispensing member in order to dispense the product.
  19. Device according to Claim 18, characterized in that the container (30) is pressurized and in that the dispensing member (34) is a valve.
  20. Device according to Claim 19, characterized in that the conduit (14) is fitted over a valve stem (35) of the valve (34).
  21. Use of a device according to any one of Claims 18 to 20 for storage and dispensing of a cosmetic product or of a care product, particularly a hair-care product.
  22. Dispensing head (1) of axis X designed to actuate a dispensing member (34) mounted on a container (30) and to dispense a product contained in the container, said head comprising:
    a) means (11) for fixing the head on the container;
    b) a dispensing conduit (14) capable of communicating with the product inside the container, comprising at least two passages (15a; 15b) of different cross section, the conduit being obtained by moulding from a single piece together with the fixing means, with which it is integral via deformable linking means (12);
    c) means (20) for actuating the dispensing member and causing the conduit to communicate with the inside of the container, the actuating means being provided with a dispensing orifice (51) defined by an attached nozzle (50), the actuating means (20) being movable relative to the conduit between at least two positions, a first position in which the dispensing orifice (51) communicates with one (15a) of the passages and a second position in which the dispensing orifice communicates with the other (15b) of the passages.
EP03291617A 2002-07-25 2003-07-01 Dispensing head as well as storage and dispensing device for product with variable discharge rate Expired - Lifetime EP1384688B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0209448A FR2842790B1 (en) 2002-07-25 2002-07-25 DISPENSING HEAD AND PACKAGING AND DISPENSING ASSEMBLY OF A VARIABLE FLOW PRODUCT
FR0209448 2002-07-25

Publications (2)

Publication Number Publication Date
EP1384688A1 EP1384688A1 (en) 2004-01-28
EP1384688B1 true EP1384688B1 (en) 2006-11-02

Family

ID=29797666

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03291617A Expired - Lifetime EP1384688B1 (en) 2002-07-25 2003-07-01 Dispensing head as well as storage and dispensing device for product with variable discharge rate

Country Status (5)

Country Link
EP (1) EP1384688B1 (en)
AT (1) ATE344196T1 (en)
DE (1) DE60309389T2 (en)
ES (1) ES2274182T3 (en)
FR (1) FR2842790B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005018205A1 (en) * 2005-04-07 2006-10-12 Motip Dupli Gmbh Spray can has spray head with bore, into which jet fits, control unit being mounted in recess in head which swivels so that bores of different diameter connect with jet, adjusting flow
DE102011009627B4 (en) * 2011-01-28 2020-06-10 Peter Kwasny Gmbh Variable spray head

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887273A (en) * 1955-03-29 1959-05-19 Johnson & Son Inc S C Spray dispensing assembly
US3363968A (en) 1965-04-06 1968-01-16 Roger K. Williams Aerosol dispenser
US3703994A (en) 1971-07-06 1972-11-28 Gillette Co Adjustable spray rate actuator
US3870205A (en) * 1973-11-23 1975-03-11 Sequist Valve Company Variable spray rate aerosol
GB2312478B (en) * 1996-04-23 1999-09-15 Soft 99 Corp Spray control nozzle for aerosol container

Also Published As

Publication number Publication date
EP1384688A1 (en) 2004-01-28
FR2842790A1 (en) 2004-01-30
DE60309389D1 (en) 2006-12-14
ES2274182T3 (en) 2007-05-16
DE60309389T2 (en) 2007-09-20
ATE344196T1 (en) 2006-11-15
FR2842790B1 (en) 2005-09-23

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