EP1588774A1 - Dispenser head with automatically closing opening - Google Patents

Dispenser head with automatically closing opening Download PDF

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Publication number
EP1588774A1
EP1588774A1 EP05290899A EP05290899A EP1588774A1 EP 1588774 A1 EP1588774 A1 EP 1588774A1 EP 05290899 A EP05290899 A EP 05290899A EP 05290899 A EP05290899 A EP 05290899A EP 1588774 A1 EP1588774 A1 EP 1588774A1
Authority
EP
European Patent Office
Prior art keywords
shutter
dispensing
hoop
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.)
Granted
Application number
EP05290899A
Other languages
German (de)
French (fr)
Other versions
EP1588774B1 (en
Inventor
Pierre-André Lasserre
Marcel Sanchez
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 EP1588774A1 publication Critical patent/EP1588774A1/en
Application granted granted Critical
Publication of EP1588774B1 publication Critical patent/EP1588774B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D83/16—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 characterised by the actuating means
    • B65D83/20—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 characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/205—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container
    • B65D83/206—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container comprising a cantilevered actuator element, e.g. a lever pivoting about a living hinge
    • 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
    • B65D83/56—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 with means for preventing delivery, e.g. shut-off when inverted
    • 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
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets
    • B65D83/7535—Outlet valves opened by the product to be delivered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064—Lift valves
    • B05B11/0067—Lift valves having a valve seat located downstream the valve element (take precedence)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1053—Actuation means combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation
    • 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
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/46—Tilt valves

Definitions

  • the present invention relates to devices for dispensing a fluid product, and in particular but not exclusively, the distribution devices of a cosmetic product.
  • Cosmetic product means a product as defined in Directive 93/35 / Council Regulation of 14 June 1993 amending for the sixth time 76/768 / EEC.
  • the invention relates to a dispensing head of the type having a body with a dispensing orifice, a push-button and a shutter movable relative to the dispensing orifice.
  • the shutter is under needle in the closed position to isolate the orifice of distribution of the inner channel (s) through which the product flows in the dispensing head.
  • a dispensing head of this type is known for example from the documents FR 2 767 798, FR 2 772 010 and WO03 / 026983.
  • the push button and the shutter have surfaces capable of coming to bear one on the other and are shaped so that the depression of the push-button is accompanied by a displacement of the shutter to release it from the orifice of distribution.
  • Reminder means are also provided to bring back the shutter in the closed position when the push button is released.
  • EP 0 670 275 also discloses a dispensing head having a push button and a shutter movable relative to the orifice of distribution.
  • the push-button is equipped with a fork intended to push a end of the shutter to move it away from the dispensing orifice when the push button is operated. Again, the structure of this head is relatively complicated.
  • WO2004 / 000066 discloses a dispensing head of a product which has an end defining a conduit capable of communicating with the interior of a container via a valve stem.
  • the duct is delimited by a wall tubular open at a first end to form a dispensing orifice and closed at a second end from which a central core to the first end of the tubular wall.
  • the dispensing orifice is closed by the central core.
  • Wall tubular comprises an elastically deformable portion which, when the rod of valve is actuated and that the product from the container flows in the duct closed, stretches under the pressure of the product so as to roll back the rear portion of the tubular wall and the central core.
  • the central soul departs thus of the dispensing orifice so as to release it and to allow the exit of the product through the orifice.
  • the elastically deformable portion returns to its position initially due to its elasticity when the valve stem is no longer actuated.
  • the shutter avoids the product contained inside of the dispensing head does not degrade by contact with the air during a prolonged storage or dry and clogged the inner channel (s).
  • dispensing products in the form of self-foaming gel it avoids the expansion of the product in the form of foam at the outlet of the orifice while the dispensing member is no longer actuated.
  • the second end of the shutter can be a hemispherical surface.
  • a such shape allows the shutter to move away from the hoop when it has a tilting movement with respect to the hoop.
  • the second end of the shutter can have any other shape that allows it to deviate from the hoop, this shape being chosen according to the shape of the portion of the hoop located opposite this end and depending on the type of movement of the shutter relative to the hoop, namely a driving movement or failover.
  • the hoop may comprise a ramp located, especially when the shutter is in the second position, opposite the second end of the shutter.
  • the ramp makes it possible to gradually return the shutter to its position shutter.
  • the duct may be delimited by a tip of elongated shape along an axis X, the dispensing orifice can then be formed at a first end of the mouthpiece.
  • the tip may include a mounting skirt intended to be moved on the dispensing member so as to communicate the interior of the container with the dispensing orifice.
  • the tip may comprise a Y axis mounting shaft adapted to be fixed on the body so as to allow the pivoting of the tip relative to the hoop around the Y axis, the Y axis being perpendicular to the X axis.
  • the tip may comprise an elastic return tongue intended to come into elastic support on the inner wall of the hoop to limit tipping of the tip relative to the hoop, especially before it is put into operation. place on the container.
  • the shutter can be elongated in the form of a needle.
  • the first end of the shutter can have a complementary shape the shape of the orifice so as to seal it tightly.
  • the actuating element may comprise a lug adapted to bear on the tip in such a way that the thrust exerted by the user on the element actuation is transmitted to the dispenser member via the nozzle.
  • the hoop may comprise hooking means on the container which allow reversible attachment or not the head on the container.
  • the hoop and the actuating element can be made in a monolithic.
  • the dispensing member may be a valve, the mounting skirt of the nozzle can then be fitted on a valve stem of the valve.
  • the valve may be of the trigger type by depressing the stem of valve.
  • the valve may be of the tripping type tilting of the valve stem.
  • the invention is particularly useful for packaging and dispensing a cosmetic or care product, for example a styling mousse.
  • the packaging and dispensing assembly illustrated in FIGS. 1 to 6 is formed of a pressurized container 60 on which is fixed a head of distribution 10 according to the invention.
  • the invention applies, of course, to the distribution of any product, in particular a liquid product, whatever its consistency, or even distribution simultaneous addition of several liquids or to the distribution of a gel, in particular a self-foaming gel or a cream.
  • the container 60 is formed by a pressurized can, formed by a body cylindrical 61 of revolution, whose upper end is closed by a cup 62 crimped on a rolled edge of the container.
  • the cup 62 is provided a valve which has a hollow valve stem 63 which can be actuated for example by tilting the valve stem. It is obvious that one can alternatively use a valve that can be actuated by depression of the valve stem.
  • the container 60 may contain a product to be sprayed, for example a product cosmetic, and an expander gas, which may or may not be stored under a liquefied form in the container 60.
  • the product then exits in the form of a foam.
  • the product could be delivered as a spray, that is to say in the form of fine particles in suspension or in the gas, either in the air.
  • the container is surmounted by a dispensing head 10.
  • the dispensing head comprises a body provided with a hoop 20 intended to be attach to the container and, in its upper part, an actuating element 30 allowing the actuation of the valve.
  • the body is realized in a monolithic way.
  • the hoop 20 comprises a cylindrical side wall 21, of cross section generally circular.
  • the side wall 21 comprises two camberings 22, diametrically opposed, for thinning the head of in order to facilitate its grip.
  • the fret extends in its part upper by a rim 23 which defines a circular opening 24.
  • the side wall 21 of the hoop extends transversely by a wall circular cross-section 33 serving as a support surface for the element
  • the hoop 21 and the actuating element 30 are connected together. along an arc of a circle, by a connecting portion 32.
  • the portion of connection 32 forms a hinge along an axis around which, the element actuator 30 can pivot.
  • the circular wall 33 extends in the circular opening 24 of the body so that such that a space is formed between the flange 23 of the body and the circular wall 33, the space being large enough to allow the actuating element to move relative to the fret but small enough to avoid fouling of the inside of the head.
  • the wall 33 can have any other shape than circular, its form dependent in particular that of the opening formed in the hoop.
  • ribs 34 are advantageously provided to form a Finger grip area helps prevent fingers from sliding. It is not beyond the scope of the invention to provide any other roughness on the support surface to prevent fingers from sliding.
  • the actuating element 30 further includes a lug 35 on the surface inside the circular wall 33, substantially at its center, the pin 35 being intended to transmit the force exerted by the user on the support surface 33 at the valve.
  • the side wall 21 of the hoop comprises a thickness that varies gradually over its height so as to form a ramp 26 whose function will be detailed later.
  • the thickness of the wall varies evenly towards the lower edge of the wall between a maximum and a minimum.
  • the body also has two attachment tabs 27 provided for the attachment of the dispensing tip 40 on the body.
  • the legs 27 extend from the rim 23 of the hoop, close to the portion of connection 32, perpendicular to the circular wall 33 of the element actuating. Each leg has a circular hole intended to receive part of the mouthpiece.
  • the dispensing tip 40 is housed substantially entirely within the body.
  • the tip is of generally elongate shape along a longitudinal axis X.
  • the tip is crossed by a central duct 41 which extends in this axis and which opens at a first end through a dispensing orifice 42 delimited by a re-entrant edge 43.
  • the duct 41 is delimited by a surface of the mouthpiece of circular cross-section, said surface being provided with three ribs 49 regularly spaced as seen in Figure 6.
  • These ribs 49 whose function will be explained later, extend parallel to the X axis, on only a portion of the length of the conduit 41, preferably on the orifice 42.
  • the first end of the nozzle passes through the passage 25 formed in the wall 21 of the hoop so as to open the dispensing orifice to the outside of the body.
  • the tip 40 Opposite the orifice, the tip 40 is open over the entire section of the conduit.
  • a skirt 44 surrounding this end of the duct extends to a free edge 44a away from the dispensing orifice, the skirt 44 being intended for receive a shutter as we will see in detail later.
  • the tip 40 has a mounting shaft 46 formed near the dispensing orifice 42.
  • the mounting shaft 46 visible in particular in FIGS. 4 and 6, extends along a Y axis perpendicular to the X axis of the tip, on both sides of the 41.
  • the two ends 47 of the shaft are provided for housing each in the hole of the latches 27 being able to pivot around the Y axis relative to these legs 27.
  • the endpiece 40 is provided with a fixing skirt 45 extending perpendicularly to the X axis, the skirt 45 being provided for to slip on the valve stem 63.
  • the skirt 45 delimits a passage which opens into the conduit 41 which allows the dispensing orifice of communicate with the inside of the container, via the valve.
  • the tip 40 has an elastic return tongue 48, near the dispensing orifice 42 which is intended to bear on the internal surface of the side wall 21 of the hoop.
  • a tongue 48 allows in particular to prevent the tip 40 from tilting inside the front head that it is put in place on the container. The head can then more easily be mounted on the container as the fixing skirt intended to fit on the valve stem is substantially parallel to the side wall of the mounting band.
  • a shutter 50 is further provided inside the nozzle.
  • the shutter 50 is also of elongated form in the form of a needle whose section circular cross section is substantially constant throughout its length.
  • the cross section of the shutter 50 is chosen so that a gap 55 is between the shutter and the end piece so as to allow the product to move between these two rooms.
  • a space 55 of a few tenths of a millimeter is formed between the shutter and the tip on substantially the entire length of the nozzle, to an annular region 56 of the inner face of the second end of the shutter.
  • the space 55 extends substantially all around the tip except for the ribs 49 which, as seen in FIG. 6, are in contact with the shutter 50 so as to guide the shutter inside the nozzle in this position.
  • a first end of the shutter has a recess 51 for terminate with a point that follows the shape of the dispensing orifice 43, in the closed position, to close it tightly.
  • the second end of the shutter overflows the tip to end with a hemispherical surface 52.
  • the second end 52 is, at rest, intended to bear against the inner surface of the wall lateral body at a point. In the use position, the second end is intended to come next to the ramp 26.
  • the shutter 50 Near its second end, the shutter 50 has a skirt sealing 53 surrounding the elongated portion, the sealing skirt 53 being oriented towards the first end of the shutter.
  • the sealing skirt 53 is intended to come into sealing abutment on the inner surface of the end skirt 44 of the nozzle 40 along which it can slide sealingly.
  • a guide skirt 54 is furthermore provided around the sealing skirt 53, also oriented towards the first end 51 of the shutter, to come into bearing on the outer surface of the end skirt 44 of the tip.
  • the shutter 50 comes close shut sealing the distribution orifice 42. Indeed, the recess 51 formed at the first end of the shutter rests against the inner surface of the edge 43 delimiting the dispensing orifice. The shutter is held in this position shutter due to its hemispherical end 52 which abuts against the zone of the side wall 21 which is opposite the shutter.
  • the user actuates the valve by pressing the actuating element as shown in Figure 5. Pressing on the circular wall 33 of the actuating element, the pin 35 sinks to the inside of the head and presses on the tip 40 which pivots, as well as the shutter 50, around the axis Y. During this movement, the shutter 50 remains immobile inside the tip 40. The back of the tip and the shutter then tilt inside the head, moving relative to the wall 21 side of the hoop. The point of the hemispherical end 52 of the shutter which was in contact with the wall 21 thus deviates from said wall 21 of a slight distance. In addition, the end 52 of the shutter is also sinking slightly so that it is positioned next to a zone less thick of the ramp 26 which also helps to remove the shutter from the side wall of the hoop.
  • the tip 50 exerts pressure on the valve stem 63 which also switches to actuate the valve.
  • the product contained in the container then leaves the container through the inner channel of the valve stem and arrives in the fixing skirt 45.
  • the product can then flow through the space 55 formed between the shutter and the tip.
  • the first end of the shutter is still abutting against the edge 43 delimiting the orifice 42 of the nozzle while the second end 52 of the shutter is no longer in abutment against the side wall 21.
  • product pressure on the annular region 56 of the inner face of the second end of the shutter causes the shutter to move relatively at the tip which moves back to abut against the side wall 21, as it is shown in Figure 5.
  • the first end of the shutter departs at the same time the edge 43 defining the orifice of the nozzle so as to release on at least one annular portion and to distribute the product in form of a foam.
  • valve stem goes back and the distribution of the product is interrupted.
  • the valve stem makes reassemble the tip 40 and the actuating element 30, as well as the shutter 50.
  • the second end 52 of the shutter then moves along the ramp 26 of the side wall, so that the first end 51 returns gradually, without elastic return, close the orifice by chasing the residue of product that remains in the space 55 towards the orifice 42.
  • the second end 252 of the shutter can be a flat surface substantially parallel to the wall 221 side of the hoop in the rest position.
  • the side wall 221 of the hoop then has a ramp 226 located opposite the second end 252 of the shutter, with a thickness that gradually decreases towards the lower edge of the wall 221.
  • the end 252 comes opposite a less thick portion of the ramp located then away from the end 252. This position allows the decline of the shutter inside the mouthpiece under the pressure of the product.

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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)
  • Paper (AREA)
  • Closures For Containers (AREA)
  • Nozzles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

The head has a body with an actuating unit (30) movable with respect to a mounting hoop (20). A closer placed in a conduit has a portion (52) to be displaced based on command from the actuating unit between a position in which the portion is stopped against the hoop and another position in which the portion is at a distance from the hoop such that the closer moves away from a support surface (43) under an effect of pressure of product. Independent claims are also included for the following: (A) a product packaging and distribution assembly (B) utilization of the product packaging and distribution assembly for distributing a cosmetic or care product.

Description

La présente invention concerne les dispositifs de distribution d'un produit fluide, et notamment mais non exclusivement, les dispositifs de distribution d'un produit cosmétique.The present invention relates to devices for dispensing a fluid product, and in particular but not exclusively, the distribution devices of a cosmetic product.

Par produit cosmétique, on entend un produit tel que défini dans la directive 93/35/ CEE du Conseil du 14 juin 1993, modifiant pour la sixième fois la directive 76/ 768/ CEE.Cosmetic product means a product as defined in Directive 93/35 / Council Regulation of 14 June 1993 amending for the sixth time 76/768 / EEC.

Plus particulièrement, l'invention concerne une tête de distribution du type comportant un corps avec un orifice de distribution, un bouton-poussoir et un obturateur mobile par rapport à l'orifice de distribution. L'obturateur est sous forme d'un pointeau prévu, dans sa position de fermeture, pour isoler l'orifice de distribution du ou des canaux intérieurs par lequel ou lesquels le produit circule dans la tête de distribution.More particularly, the invention relates to a dispensing head of the type having a body with a dispensing orifice, a push-button and a shutter movable relative to the dispensing orifice. The shutter is under needle in the closed position to isolate the orifice of distribution of the inner channel (s) through which the product flows in the dispensing head.

Une tête de distribution de ce type est connue par exemple par les documents FR 2 767 798, FR 2 772 010 et WO03/026983. Selon ces documents, le bouton-poussoir et l'obturateur ont des surfaces aptes à venir en appui l'une sur l'autre et sont conformées de telle sorte que l'enfoncement du bouton-poussoir s'accompagne d'un déplacement de l'obturateur pour le dégager de l'orifice de distribution. Avec une telle configuration, il est nécessaire de parfaitement ajuster les surfaces qui coopèrent entre elles pour assurer le déplacement de l'obturateur souhaité. Des moyens de rappel sont en outre prévus pour ramener l'obturateur en position de fermeture lorsque le bouton-poussoir est relâché.A dispensing head of this type is known for example from the documents FR 2 767 798, FR 2 772 010 and WO03 / 026983. According to these documents, the push button and the shutter have surfaces capable of coming to bear one on the other and are shaped so that the depression of the push-button is accompanied by a displacement of the shutter to release it from the orifice of distribution. With such a configuration, it is necessary to perfectly adjust the surfaces that cooperate with each other to ensure the movement of the desired shutter. Reminder means are also provided to bring back the shutter in the closed position when the push button is released.

Le document EP 0 670 275 décrit également une tête de distribution comportant un bouton-poussoir et un obturateur mobile par rapport à l'orifice de distribution. Le bouton-poussoir est muni d'une fourche destinée à pousser une extrémité de l'obturateur pour l'écarter de l'orifice de distribution lorsque le bouton-poussoir est actionné. Là encore, la structure de cette tête est relativement compliquée. EP 0 670 275 also discloses a dispensing head having a push button and a shutter movable relative to the orifice of distribution. The push-button is equipped with a fork intended to push a end of the shutter to move it away from the dispensing orifice when the push button is operated. Again, the structure of this head is relatively complicated.

Il a déjà été proposé de simplifier la structure de ce type de têtes de distribution, notamment dans la demande de brevet FR 2 793 425 déposée au nom de la demanderesse. Cette demande décrit une tête munie d'un obturateur dont une extrémité tronconique élastique repose contre une surface d'appui tronconique dont elle s'écarte sous l'effet de la pression du produit provenant du récipient lors de la distribution du produit, pour former un orifice de distribution annulaire. L'extrémité tronconique de l'obturateur est ramenée dans sa position d'obturation, lorsque la pression du produit diminue, par rappel élastique.It has already been proposed to simplify the structure of this type of distribution head, especially in the patent application FR 2 793 425 filed in the name of the Applicant. This application describes a head provided with a shutter, one of which elastic frustoconical end rests against a frustoconical bearing surface of which it deviates under the effect of the pressure of the product from the container when dispensing the product, to form an annular dispensing orifice. The frustoconical end of the shutter is returned to its position shutter, when the pressure of the product decreases, by elastic return.

Le document WO2004/000066 décrit une tête de distribution d'un produit qui comporte un embout délimitant un conduit apte à communiquer avec l'intérieur d'un récipient via une tige de valve. Le conduit est délimité par une paroi tubulaire ouverte à une première extrémité pour former un orifice de distribution et fermée à une seconde extrémité depuis laquelle s'étend une âme centrale jusqu'à la première extrémité de la paroi tubulaire. Lorsque la tige de valve n'est pas actionnée, l'orifice de distribution est obturé par l'âme centrale. La paroi tubulaire comporte une portion élastiquement déformable qui, lorsque la tige de valve est actionnée et que le produit provenant du récipient circule dans le conduit fermé, s'étire sous la pression du produit de manière à faire reculer la portion arrière de la paroi tubulaire et l'âme centrale. L'âme centrale s'écarte ainsi de l'orifice de distribution de manière à le dégager et à permettre la sortie du produit par l'orifice. La portion élastiquement déformable reprend sa position initiale grâce à son élasticité lorsque la tige de valve n'est plus actionnée.WO2004 / 000066 discloses a dispensing head of a product which has an end defining a conduit capable of communicating with the interior of a container via a valve stem. The duct is delimited by a wall tubular open at a first end to form a dispensing orifice and closed at a second end from which a central core to the first end of the tubular wall. When the valve stem is not actuated, the dispensing orifice is closed by the central core. Wall tubular comprises an elastically deformable portion which, when the rod of valve is actuated and that the product from the container flows in the duct closed, stretches under the pressure of the product so as to roll back the rear portion of the tubular wall and the central core. The central soul departs thus of the dispensing orifice so as to release it and to allow the exit of the product through the orifice. The elastically deformable portion returns to its position initially due to its elasticity when the valve stem is no longer actuated.

Il existe un besoin de réaliser une nouvelle tête de distribution protégeant de l'extérieur le ou les canaux intérieurs de la tête en position de stockage qui ait une structure relativement simple et qui soit peu coûteuse.There is a need to realize a new dispensing head protecting from the outside or the inner channels of the head in the storage position which has a relatively simple structure and is inexpensive.

L'invention répond à ce besoin grâce à une tête de distribution d'un produit, destinée à être montée sur un récipient, la tête comportant :

  • un corps comportant une frette de montage et un élément d'actionnement, mobile par rapport à la frette, pour actionner un organe de distribution prévu sur le récipient ;
  • un conduit apte à communiquer avec le produit à l'intérieur du récipient lors de l'utilisation ;
  • un obturateur disposé dans le conduit, l'obturateur étant agencé pour prendre au repos une position d'obturation dans laquelle il repose, par une première portion, contre une surface d'appui et pour s'écarter de cette surface d'appui sous l'effet de la pression du produit contenu dans le conduit lors de la distribution du produit, pour former un orifice de distribution, l'obturateur revenant en position d'obturation sans rappel élastique,
   l'obturateur comportant une seconde portion apte à se déplacer en réponse à une commande de l'élément d'actionnement entre une première position dans laquelle elle est en butée contre la frette et une seconde position dans laquelle elle est à distance de la frette de manière à permettre à l'obturateur de s'écarter de la surface d'appui sous l'effet de la pression du produit.The invention responds to this need with a dispensing head of a product, intended to be mounted on a container, the head comprising:
  • a body having a mounting hoop and an actuating member, movable relative to the hoop, for actuating a dispensing member provided on the container;
  • a conduit adapted to communicate with the product inside the container during use;
  • a shutter disposed in the duct, the shutter being arranged to take a resting position in which it rests, by a first portion, against a bearing surface and to deviate from this bearing surface under the effect of the pressure of the product contained in the duct during the distribution of the product, to form a dispensing orifice, the shutter returning to the closed position without elastic return,
the shutter having a second portion adapted to move in response to a control of the actuating element between a first position in which it abuts against the hoop and a second position in which it is at a distance from the hoop of to allow the shutter to deviate from the bearing surface under the effect of the pressure of the product.

Grâce à la présence le l'obturateur, on évite que le produit contenu à l'intérieur de la tête de distribution ne se dégrade par contact avec l'air pendant un stockage prolongé ou ne sèche et colmate le ou les canaux intérieurs. En outre, lorsque l'on distribue des produits sous forme de gel auto moussant, on évite l'expansion du produit sous forme de mousse à la sortie de l'orifice alors que l'organe de distribution n'est plus actionné.Thanks to the presence of the shutter, it avoids the product contained inside of the dispensing head does not degrade by contact with the air during a prolonged storage or dry and clogged the inner channel (s). In addition, when dispensing products in the form of self-foaming gel, it avoids the expansion of the product in the form of foam at the outlet of the orifice while the dispensing member is no longer actuated.

De plus, en utilisant la pression du produit pour dégager l'orifice de distribution on s'affranchit de tout mécanisme supplémentaire pour déplacer l'obturateur ce qui limite le nombre de pièces pour réaliser la tête, et donc son coût de fabrication.In addition, using product pressure to clear the dispensing orifice we get rid of any additional mechanism to move the shutter which limits the number of pieces to achieve the head, and therefore its cost of manufacturing.

La seconde extrémité de l'obturateur peut être une surface hémisphérique. Une telle forme permet à l'obturateur de s'écarter de la frette lorsque celui-ci a un mouvement de basculement par rapport à la frette. La seconde extrémité de l'obturateur peut avoir toute autre forme qui lui permet de s'écarter de la frette, cette forme étant choisie en fonction de la forme de la portion de la frette située en regard de cette extrémité et en fonction du type de mouvement de l'obturateur par rapport à la frette, à savoir un mouvement d'enfoncement ou de basculement.The second end of the shutter can be a hemispherical surface. A such shape allows the shutter to move away from the hoop when it has a tilting movement with respect to the hoop. The second end of the shutter can have any other shape that allows it to deviate from the hoop, this shape being chosen according to the shape of the portion of the hoop located opposite this end and depending on the type of movement of the shutter relative to the hoop, namely a driving movement or failover.

En utilisant une surface hémisphérique, on limite en outre la surface de l'obturateur au contact de la frette qui se restreint à un point ce qui limite les frottements lorsque l'obturateur se déplace relativement à la frette.By using a hemispherical surface, the surface of the shutter in contact with the band which is restricted to a point which limits the friction when the shutter moves relative to the hoop.

La frette peut comporter une rampe située, notamment lorsque l'obturateur est dans la seconde position, en regard de la seconde extrémité de l'obturateur. La rampe permet de ramener progressivement l'obturateur dans sa position d'obturation.The hoop may comprise a ramp located, especially when the shutter is in the second position, opposite the second end of the shutter. The ramp makes it possible to gradually return the shutter to its position shutter.

Le conduit peut être délimité par un embout de forme allongée selon un axe X, l'orifice de distribution pouvant alors être formé à une première extrémité de l'embout.The duct may be delimited by a tip of elongated shape along an axis X, the dispensing orifice can then be formed at a first end of the mouthpiece.

L'embout peut comporter une jupe de montage destinée à s'emmancher sur l'organe de distribution de manière à faire communiquer l'intérieur du récipient avec l'orifice de distribution.The tip may include a mounting skirt intended to be moved on the dispensing member so as to communicate the interior of the container with the dispensing orifice.

L'embout peut comporter un arbre de montage d'axe Y apte à se fixer sur le corps de manière à permettre le pivotement de l'embout relativement à la frette autour de l'axe Y, l'axe Y pouvant être perpendiculaire à l'axe X.The tip may comprise a Y axis mounting shaft adapted to be fixed on the body so as to allow the pivoting of the tip relative to the hoop around the Y axis, the Y axis being perpendicular to the X axis.

L'embout peut comporter une languette de rappel élastique destinée à venir en appui élastique sur la paroi intérieure de la frette afin de limiter le basculement de l'embout par rapport à la frette, notamment avant que celle-ci ne soit mise en place sur le récipient.The tip may comprise an elastic return tongue intended to come into elastic support on the inner wall of the hoop to limit tipping of the tip relative to the hoop, especially before it is put into operation. place on the container.

L'obturateur peut être de forme allongée sous forme d'un pointeau.The shutter can be elongated in the form of a needle.

La première extrémité de l'obturateur peut présenter une forme complémentaire de la forme de l'orifice de manière à l'obturer de façon étanche.The first end of the shutter can have a complementary shape the shape of the orifice so as to seal it tightly.

L'élément d'actionnement peut comporter un ergot apte à venir en appui sur l'embout de telle manière que la poussée exercée par l'utilisateur sur l'élément d'actionnement soit transmise à l'organe de distribution, via l'embout.The actuating element may comprise a lug adapted to bear on the tip in such a way that the thrust exerted by the user on the element actuation is transmitted to the dispenser member via the nozzle.

La frette peut comporter des moyens d'accrochage sur le récipient qui permettent la fixation réversible ou non de la tête sur le récipient.The hoop may comprise hooking means on the container which allow reversible attachment or not the head on the container.

La frette et l'élément d'actionnement peuvent être réalisés de manière monolithique.The hoop and the actuating element can be made in a monolithic.

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 surmontant le récipient ; et
  • 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 surmounting the container; and
  • a dispensing head as just described intended to activate the dispensing member to distribute the product.

L'organe de distribution peut être une valve, la jupe de montage de l'embout pouvant alors être emmanchée sur une tige de valve de la valve.The dispensing member may be a valve, the mounting skirt of the nozzle can then be fitted on a valve stem of the valve.

La valve peut être du type à déclenchement par enfoncement de la tige de valve. Alternativement, la valve peut être du type à déclenchement par basculement de la tige de valve.The valve may be of the trigger type by depressing the stem of valve. Alternatively, the valve may be of the tripping type tilting of the valve stem.

L'invention est particulièrement utile pour le conditionnement et la distribution d'un produit cosmétique ou de soin, par exemple une mousse de coiffage.The invention is particularly useful for packaging and dispensing a cosmetic or care product, for example a styling mousse.

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 ensemble de conditionnement et de distribution selon l'invention ;
  • la figure 2 illustre une vue éclatée de l'ensemble de la figure 1 ;
  • les figures 3 et 4 représentent en coupe la tête de distribution de l'ensemble illustré à la figure 1, en position de fermeture ;
  • la figure 5 représente en coupe la tête de distribution de l'ensemble illustré à la figure 1, en position de distribution ;
  • la figure 6 représente en coupe l'embout de distribution et l'obturateur de la tête de distribution représentée à la figure 3 ;
  • les figures 7 et 8 représentent des variantes de réalisation de la tête de distribution selon l'invention.
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 a packaging and dispensing assembly according to the invention;
  • Figure 2 illustrates an exploded view of the assembly of Figure 1;
  • Figures 3 and 4 show in section the dispensing head of the assembly illustrated in Figure 1, in the closed position;
  • Figure 5 shows in section the dispensing head of the assembly shown in Figure 1, in the dispensing position;
  • Figure 6 shows in section the dispensing nozzle and the shutter of the dispensing head shown in Figure 3;
  • Figures 7 and 8 show alternative embodiments of the dispensing head according to the invention.

L'ensemble de conditionnement et de distribution illustré sur les figures 1 à 6 est formé d'un récipient pressurisé 60 sur lequel est fixée une tête de distribution 10 selon l'invention.The packaging and dispensing assembly illustrated in FIGS. 1 to 6 is formed of a pressurized container 60 on which is fixed a head of distribution 10 according to the invention.

L'invention s'applique bien entendu à la distribution de tout produit, notamment un produit liquide, quelle que soit sa consistance, voire à la distribution simultanée de plusieurs liquides ou encore à la distribution d'un gel, notamment un gel auto moussant ou encore d'une crème.The invention applies, of course, to the distribution of any product, in particular a liquid product, whatever its consistency, or even distribution simultaneous addition of several liquids or to the distribution of a gel, in particular a self-foaming gel or a cream.

Le récipient 60 est formé par un bidon pressurisé, formé par un corps cylindrique 61 de révolution, dont l'extrémité supérieure est fermée par une coupelle 62 sertie sur un bord roulé du récipient. La coupelle 62 est munie d'une valve qui comporte une tige de valve 63 creuse et qui peut être actionnée par exemple par basculement de la tige de valve. Il est bien évident que l'on peut alternativement utiliser une valve qui peut être actionnée par enfoncement de la tige de valve.The container 60 is formed by a pressurized can, formed by a body cylindrical 61 of revolution, whose upper end is closed by a cup 62 crimped on a rolled edge of the container. The cup 62 is provided a valve which has a hollow valve stem 63 which can be actuated for example by tilting the valve stem. It is obvious that one can alternatively use a valve that can be actuated by depression of the valve stem.

Le récipient 60 peut contenir un produit à pulvériser, par exemple un produit cosmétique, et un gaz expanseur, lequel peut être ou non stocké sous une forme liquéfiée dans le récipient 60. Le produit sort alors sous forme d'une mousse. Alternativement, le produit pourrait être délivré 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 60 may contain a product to be sprayed, for example a product cosmetic, and an expander gas, which may or may not be stored under a liquefied form in the container 60. The product then exits in the form of a foam. Alternatively, the product could be delivered as a spray, that is to say in the form of fine particles in suspension or in the gas, either in the air.

On pourrait encore utiliser d'autres moyens qu'un gaz propulseur pour amener sous pression le produit à distribuer dans la tête de distribution 10, et l'on pourrait notamment utiliser une pompe.We could still use other means than a propellant to bring under pressure the product to be dispensed in the dispensing head 10, and could include using a pump.

Pour distribuer le produit, le récipient est surmonté d'une tête de distribution 10. La tête de distribution comporte un corps muni d'une frette 20 destinée à se fixer sur le récipient et, dans sa partie supérieure, d'un élément d'actionnement 30 permettant l'actionnement de la valve. Dans l'exemple illustré, le corps est réalisé de manière monolithique. Bien entendu, on ne sort pas du cadre de l'invention en réalisant la frette et l'élément d'actionnement séparément.To distribute the product, the container is surmounted by a dispensing head 10. The dispensing head comprises a body provided with a hoop 20 intended to be attach to the container and, in its upper part, an actuating element 30 allowing the actuation of the valve. In the illustrated example, the body is realized in a monolithic way. Of course, we do not leave the framework of the invention by producing the hoop and the actuating element separately.

La frette 20 comprend une paroi latérale 21 cylindrique, de section transversale généralement circulaire. Dans l'exemple illustré, la paroi latérale 21 comporte deux cambrures 22, diamétralement opposées, destinées à amincir la tête de manière à faciliter sa préhension. La frette se prolonge dans sa partie supérieure par un rebord 23 qui délimite une ouverture circulaire 24.The hoop 20 comprises a cylindrical side wall 21, of cross section generally circular. In the example illustrated, the side wall 21 comprises two camberings 22, diametrically opposed, for thinning the head of in order to facilitate its grip. The fret extends in its part upper by a rim 23 which defines a circular opening 24.

La paroi latérale 21 de la frette se prolonge transversalement par une paroi transversale circulaire 33 servant de surface d'appui pour l'élément d'actionnement 30. La frette 21 et l'élément d'actionnement 30 sont reliés, le long d'un arc de cercle, par une portion de raccordement 32. La portion de raccordement 32 forme une articulation selon un axe autour duquel, l'élément d'actionnement 30 peut pivoter.The side wall 21 of the hoop extends transversely by a wall circular cross-section 33 serving as a support surface for the element The hoop 21 and the actuating element 30 are connected together. along an arc of a circle, by a connecting portion 32. The portion of connection 32 forms a hinge along an axis around which, the element actuator 30 can pivot.

La paroi circulaire 33 s'étend dans l'ouverture circulaire 24 du corps de manière telle qu'un espace est formé entre le rebord 23 du corps et la paroi circulaire 33, l'espace étant suffisamment grand pour permettre à l'élément d'actionnement de se déplacer par rapport à la frette mais suffisamment petit pour éviter l'encrassement de l'intérieur de la tête.The circular wall 33 extends in the circular opening 24 of the body so that such that a space is formed between the flange 23 of the body and the circular wall 33, the space being large enough to allow the actuating element to move relative to the fret but small enough to avoid fouling of the inside of the head.

Il est bien évident que la paroi 33 peut avoir toute autre forme que circulaire, sa forme dépendant notamment de celle de l'ouverture formée dans la frette.It is obvious that the wall 33 can have any other shape than circular, its form dependent in particular that of the opening formed in the hoop.

La surface extérieure de la paroi circulaire 33 formant une surface d'appui pour l'utilisateur, des nervures 34 sont avantageusement prévues pour former une zone d'adhérence pour les doigts qui permet d'empêcher les doigts de glisser. On ne sort pas du cadre de l'invention en prévoyant toute autre rugosité sur la surface d'appui pour éviter aux doigts de glisser.The outer surface of the circular wall 33 forming a bearing surface for the user, ribs 34 are advantageously provided to form a Finger grip area helps prevent fingers from sliding. It is not beyond the scope of the invention to provide any other roughness on the support surface to prevent fingers from sliding.

L'élément d'actionnement 30 comporte en outre un ergot 35 sur la surface intérieure de la paroi circulaire 33, sensiblement en son centre, l'ergot 35 étant prévu pour transmettre la force exercée par l'utilisateur sur la surface d'appui 33 à la valve.The actuating element 30 further includes a lug 35 on the surface inside the circular wall 33, substantially at its center, the pin 35 being intended to transmit the force exerted by the user on the support surface 33 at the valve.

Un passage 25, sous forme d'une ouverture circulaire, est formé dans la paroi latérale 21 de la frette, en dessous de la portion de raccordement 32, le passage 25 étant prévu, comme on le verra en détail par la suite pour être traversé par un embout de distribution 40.A passage 25, in the form of a circular opening, is formed in the wall 21 of the hoop, below the connecting portion 32, the passage 25 being provided, as will be seen in detail later to be crossed by a dispensing nozzle 40.

A l'opposé du passage 25, la paroi latérale 21 de la frette comporte une épaisseur qui varie progressivement sur sa hauteur de manière à former une rampe 26 dont la fonction sera détaillée ultérieurement. L'épaisseur de la paroi varie de façon régulière en direction du bord inférieur de la paroi entre un maximum et un minimum.In contrast to the passage 25, the side wall 21 of the hoop comprises a thickness that varies gradually over its height so as to form a ramp 26 whose function will be detailed later. The thickness of the wall varies evenly towards the lower edge of the wall between a maximum and a minimum.

Le corps comporte également deux pattes d'accrochage 27 prévues pour l'accrochage de l'embout de distribution 40 sur le corps. Les pattes 27 s'étendent, depuis le rebord 23 de la frette, à proximité de la portion de raccordement 32, perpendiculairement à la paroi circulaire 33 de l'élément d'actionnement. Chaque patte comporte un trou circulaire prévu pour recevoir une partie de l'embout.The body also has two attachment tabs 27 provided for the attachment of the dispensing tip 40 on the body. The legs 27 extend from the rim 23 of the hoop, close to the portion of connection 32, perpendicular to the circular wall 33 of the element actuating. Each leg has a circular hole intended to receive part of the mouthpiece.

L'embout de distribution 40 est logé pratiquement entièrement à l'intérieur du corps. L'embout est de forme générale allongée selon un axe longitudinal X. L'embout est traversé par un conduit central 41 qui s'étend dans cet axe et qui débouche, à une première extrémité par un orifice de distribution 42 délimité par un bord rentrant 43. Le conduit 41 est délimité par une surface de l'embout de section transversale circulaire, ladite surface étant pourvue de trois nervures 49 régulièrement espacées comme on le voit à la figure 6. Ces nervures 49, dont la fonction sera expliquée plus loin, s'étendent parallèlement à l'axe X, sur une portion seulement de la longueur du conduit 41, de préférence du côté de l'orifice 42. On pourrait alternativement prévoir des nervures qui s'étendent sur toute la longueur du conduit, et/ou un nombre différent de nervures.The dispensing tip 40 is housed substantially entirely within the body. The tip is of generally elongate shape along a longitudinal axis X. The tip is crossed by a central duct 41 which extends in this axis and which opens at a first end through a dispensing orifice 42 delimited by a re-entrant edge 43. The duct 41 is delimited by a surface of the mouthpiece of circular cross-section, said surface being provided with three ribs 49 regularly spaced as seen in Figure 6. These ribs 49, whose function will be explained later, extend parallel to the X axis, on only a portion of the length of the conduit 41, preferably on the orifice 42. Alternatively, ribs that extend over the entire length of the duct, and / or a different number of ribs.

La première extrémité de l'embout traverse le passage 25 formé dans la paroi latérale 21 de la frette de manière à faire déboucher l'orifice de distribution à l'extérieur du corps.The first end of the nozzle passes through the passage 25 formed in the wall 21 of the hoop so as to open the dispensing orifice to the outside of the body.

A l'opposé de l'orifice, l'embout 40 est ouvert sur toute la section du conduit. Une jupe 44 entourant cette extrémité du conduit s'étend jusqu'à un bord libre 44a en s'éloignant de l'orifice de distribution, la jupe 44 étant destinée à recevoir un obturateur comme on le verra en détail par la suite.Opposite the orifice, the tip 40 is open over the entire section of the conduit. A skirt 44 surrounding this end of the duct extends to a free edge 44a away from the dispensing orifice, the skirt 44 being intended for receive a shutter as we will see in detail later.

Pour assurer le montage de l'embout sur le corps de la tête, l'embout 40 comporte un arbre de montage 46 formé à proximité de l'orifice de distribution 42. L'arbre de montage 46, visible notamment sur les figures 4 et 6, s'étend selon un axe Y perpendiculaire à l'axe X de l'embout, de part et d'autre du conduit 41. Les deux extrémités 47 de l'arbre sont prévues pour se loger chacune dans le trou des pattes d'accrochage 27 en pouvant pivoter autour de l'axe Y par rapport à ces pattes 27.To ensure the mounting of the tip on the body of the head, the tip 40 has a mounting shaft 46 formed near the dispensing orifice 42. The mounting shaft 46, visible in particular in FIGS. 4 and 6, extends along a Y axis perpendicular to the X axis of the tip, on both sides of the 41. The two ends 47 of the shaft are provided for housing each in the hole of the latches 27 being able to pivot around the Y axis relative to these legs 27.

Entre ses deux extrémités, l'embout 40 est muni d'une jupe de fixation 45 s'étendant perpendiculairement à l'axe X, la jupe 45 étant prévue pour s'emmancher sur la tige de valve 63. La jupe 45 délimite un passage qui débouche dans le conduit 41 ce qui permet à l'orifice de distribution de communiquer avec l'intérieur du récipient, via la valve.Between its two ends, the endpiece 40 is provided with a fixing skirt 45 extending perpendicularly to the X axis, the skirt 45 being provided for to slip on the valve stem 63. The skirt 45 delimits a passage which opens into the conduit 41 which allows the dispensing orifice of communicate with the inside of the container, via the valve.

Avantageusement, l'embout 40 comporte une languette de rappel élastique 48, à proximité de l'orifice de distribution 42 qui est destinée à venir en appui sur la surface interne de la paroi latérale 21 de la frette. Une telle languette 48 permet notamment d'empêcher l'embout 40 de basculer à l'intérieur de la tête avant que celle-ci ne soit mise en place sur le récipient. La tête peut alors plus facilement être montée sur le récipient étant donné que la jupe de fixation destinée à s'emmancher sur la tige de valve est sensiblement parallèle à la paroi latérale de la frette de montage.Advantageously, the tip 40 has an elastic return tongue 48, near the dispensing orifice 42 which is intended to bear on the internal surface of the side wall 21 of the hoop. Such a tongue 48 allows in particular to prevent the tip 40 from tilting inside the front head that it is put in place on the container. The head can then more easily be mounted on the container as the fixing skirt intended to fit on the valve stem is substantially parallel to the side wall of the mounting band.

Un obturateur 50 est en outre prévu à l'intérieur de l'embout. L'obturateur 50 est également de forme allongée sous forme d'un pointeau dont la section transversale circulaire est sensiblement constante sur toute sa longueur. La section transversale de l'obturateur 50 est choisie de sorte qu'un espace 55 est ménagé entre l'obturateur et l'embout de manière à permettre au produit de circuler entre ces deux pièces. Selon l'exemple illustré, un espace 55 de quelques dixièmes de millimètre est ménagé entre l'obturateur et l'embout sur sensiblement toute la longueur de l'embout, jusqu'à une région annulaire 56 de la face interne de la seconde extrémité de l'obturateur. L'espace 55 s'étend sensiblement tout autour de l'embout si ce n'est au niveau des nervures 49 qui, comme on le voit à la figure 6, sont au contact de l'obturateur 50 de manière à guider l'obturateur à l'intérieur de l'embout dans cette position.A shutter 50 is further provided inside the nozzle. The shutter 50 is also of elongated form in the form of a needle whose section circular cross section is substantially constant throughout its length. The cross section of the shutter 50 is chosen so that a gap 55 is between the shutter and the end piece so as to allow the product to move between these two rooms. According to the illustrated example, a space 55 of a few tenths of a millimeter is formed between the shutter and the tip on substantially the entire length of the nozzle, to an annular region 56 of the inner face of the second end of the shutter. The space 55 extends substantially all around the tip except for the ribs 49 which, as seen in FIG. 6, are in contact with the shutter 50 so as to guide the shutter inside the nozzle in this position.

Une première extrémité de l'obturateur comporte un décrochement 51 pour se terminer par une pointe qui vient épouser la forme de l'orifice de distribution 43, en position de fermeture, pour le fermer de manière étanche.A first end of the shutter has a recess 51 for terminate with a point that follows the shape of the dispensing orifice 43, in the closed position, to close it tightly.

La seconde extrémité de l'obturateur, opposée à la première, déborde l'embout pour se terminer par une surface hémisphérique 52. La seconde extrémité 52 est, au repos, destinée à venir en appui contre la surface interne de la paroi latérale du corps en un point. En position d'utilisation, la seconde extrémité est destinée à venir en regard de la rampe 26.The second end of the shutter, opposite to the first, overflows the tip to end with a hemispherical surface 52. The second end 52 is, at rest, intended to bear against the inner surface of the wall lateral body at a point. In the use position, the second end is intended to come next to the ramp 26.

A proximité de sa seconde extrémité, l'obturateur 50 comporte une jupe d'étanchéité 53 entourant la partie allongée, la jupe d'étanchéité 53 étant orientée vers la première extrémité de l'obturateur. La jupe d'étanchéité 53 est destinée à venir en appui étanche sur la surface interne de la jupe d'extrémité 44 de l'embout 40 le long de laquelle elle peut coulisser de manière étanche. Near its second end, the shutter 50 has a skirt sealing 53 surrounding the elongated portion, the sealing skirt 53 being oriented towards the first end of the shutter. The sealing skirt 53 is intended to come into sealing abutment on the inner surface of the end skirt 44 of the nozzle 40 along which it can slide sealingly.

Une jupe de guidage 54 est en outre prévue autour de la jupe d'étanchéité 53, orientée également vers la première extrémité 51 de l'obturateur, pour venir en appui sur la surface extérieure de la jupe d'extrémité 44 de l'embout.A guide skirt 54 is furthermore provided around the sealing skirt 53, also oriented towards the first end 51 of the shutter, to come into bearing on the outer surface of the end skirt 44 of the tip.

Au repos, comme on le voit à la figure 3, l'obturateur 50 vient fermer de façon étanche l'orifice de distribution 42. En effet, le décrochement 51 formé à la première extrémité de l'obturateur repose contre la surface interne du bord 43 délimitant l'orifice de distribution. L'obturateur est maintenu dans cette position d'obturation grâce à son extrémité hémisphérique 52 qui est en butée contre la zone de la paroi latérale 21 qui se trouve en regard de l'obturateur.At rest, as seen in Figure 3, the shutter 50 comes close shut sealing the distribution orifice 42. Indeed, the recess 51 formed at the first end of the shutter rests against the inner surface of the edge 43 delimiting the dispensing orifice. The shutter is held in this position shutter due to its hemispherical end 52 which abuts against the zone of the side wall 21 which is opposite the shutter.

Pour distribuer le produit, l'utilisateur actionne la valve en appuyant sur l'élément d'actionnement comme on l'a représenté à la figure 5. En appuyant sur la paroi circulaire 33 de l'élément d'actionnement, l'ergot 35 s'enfonce à l'intérieur de la tête et vient appuyer sur l'embout 40 qui pivote alors, ainsi que l'obturateur 50, autour de l'axe Y. Lors de ce mouvement, l'obturateur 50 reste immobile à l'intérieur de l'embout 40. L'arrière de l'embout et de l'obturateur basculent alors à l'intérieur de la tête, en se déplaçant par rapport à la paroi latérale 21 de la frette. Le point de l'extrémité hémisphérique 52 de l'obturateur qui était en contact avec la paroi 21 s'écarte donc de ladite paroi 21 d'une légère distance. En outre, l'extrémité 52 de l'obturateur s'enfonce également légèrement de sorte qu'elle est positionnée en regard d'une zone moins épaisse de la rampe 26 ce qui contribue également à écarter l'obturateur de la paroi latérale de la frette.To dispense the product, the user actuates the valve by pressing the actuating element as shown in Figure 5. Pressing on the circular wall 33 of the actuating element, the pin 35 sinks to the inside of the head and presses on the tip 40 which pivots, as well as the shutter 50, around the axis Y. During this movement, the shutter 50 remains immobile inside the tip 40. The back of the tip and the shutter then tilt inside the head, moving relative to the wall 21 side of the hoop. The point of the hemispherical end 52 of the shutter which was in contact with the wall 21 thus deviates from said wall 21 of a slight distance. In addition, the end 52 of the shutter is also sinking slightly so that it is positioned next to a zone less thick of the ramp 26 which also helps to remove the shutter from the side wall of the hoop.

Lors de ce mouvement d'enfoncement, l'embout 50 exerce une pression sur la tige de valve 63 qui bascule également de manière à actionner la valve. Le produit contenu dans le récipient sort alors du récipient par le canal intérieur de la tige de valve et arrive dans la jupe de fixation 45. Le produit peut alors s'écouler par l'espace 55 ménagé entre l'obturateur et l'embout. A cet instant, la première extrémité de l'obturateur est toujours en butée contre le bord 43 délimitant l'orifice 42 de l'embout alors que la seconde extrémité 52 de l'obturateur n'est plus en butée contre la paroi latérale 21. Par conséquent, la pression du produit sur la région annulaire 56 de la face interne de la seconde extrémité de l'obturateur provoque le déplacement de l'obturateur relativement à l'embout qui recule jusqu'à venir en butée contre la paroi latérale 21, comme on l'a représenté à la figure 5. La première extrémité de l'obturateur s'écarte dans le même temps du bord 43 délimitant l'orifice de l'embout de manière à le dégager sur au moins une portion annulaire et à distribuer le produit sous forme d'une mousse.During this depressing movement, the tip 50 exerts pressure on the valve stem 63 which also switches to actuate the valve. The product contained in the container then leaves the container through the inner channel of the valve stem and arrives in the fixing skirt 45. The product can then flow through the space 55 formed between the shutter and the tip. At this moment, the first end of the shutter is still abutting against the edge 43 delimiting the orifice 42 of the nozzle while the second end 52 of the shutter is no longer in abutment against the side wall 21. product pressure on the annular region 56 of the inner face of the second end of the shutter causes the shutter to move relatively at the tip which moves back to abut against the side wall 21, as it is shown in Figure 5. The first end of the shutter departs at the same time the edge 43 defining the orifice of the nozzle so as to release on at least one annular portion and to distribute the product in form of a foam.

Lorsque l'utilisateur relâche l'élément d'actionnement, la tige de valve remonte et la distribution du produit s'interrompt. En remontant, la tige de valve fait remonter l'embout 40 et l'élément d'actionnement 30, ainsi que l'obturateur 50. La seconde extrémité 52 de l'obturateur se déplace alors le long de la rampe 26 de la paroi latérale, de sorte que la première extrémité 51 revient progressivement, sans rappel élastique, obturer l'orifice en chassant le résidu de produit qui reste dans l'espace 55 vers l'orifice 42.When the user releases the actuating element, the valve stem goes back and the distribution of the product is interrupted. When going up, the valve stem makes reassemble the tip 40 and the actuating element 30, as well as the shutter 50. The second end 52 of the shutter then moves along the ramp 26 of the side wall, so that the first end 51 returns gradually, without elastic return, close the orifice by chasing the residue of product that remains in the space 55 towards the orifice 42.

On ne sort pas du cadre de l'invention en s'affranchissant de la rampe formée dans la paroi latérale de la frette comme on l'a illustré à la figure 7, la paroi latérale 121 de la frette située en regard de la seconde extrémité 152 de l'obturateur étant alors une surface plane comportant une épaisseur constante. Là encore, en basculant l'embout, le point de l'extrémité hémisphérique 152 de l'obturateur qui était en contact avec la paroi 121 s'écarte de la paroi 121 d'une distance qui autorise le recul de l'obturateur relativement à l'orifice.It is not beyond the scope of the invention to overcome the ramp formed in the side wall of the hoop as illustrated in Figure 7, the wall 121 of the hoop located opposite the second end 152 of the shutter then being a flat surface having a constant thickness. Again, by tipping the tip, the point of the hemispherical end 152 of the shutter which was in contact with the wall 121 deviates from the wall 121 of a distance that allows the retraction of the shutter relative to the orifice.

Selon une autre variante illustrée à la figure 8, la seconde extrémité 252 de l'obturateur peut être une surface plane, sensiblement parallèle à la paroi latérale 221 de la frette en position de repos. La paroi latérale 221 de la frette comporte alors une rampe 226 située en regard de la seconde extrémité 252 de l'obturateur, avec une épaisseur qui diminue progressivement en direction du bord inférieur de la paroi 221. Dès que l'on bascule l'embout et l'obturateur, l'extrémité 252 vient en regard d'une portion moins épaisse de la rampe située alors à distance de l'extrémité 252. Cette position autorise le recul de l'obturateur à l'intérieur de l'embout sous la pression du produit. According to another variant illustrated in FIG. 8, the second end 252 of the shutter can be a flat surface substantially parallel to the wall 221 side of the hoop in the rest position. The side wall 221 of the hoop then has a ramp 226 located opposite the second end 252 of the shutter, with a thickness that gradually decreases towards the lower edge of the wall 221. As soon as we tip the tip and the shutter, the end 252 comes opposite a less thick portion of the ramp located then away from the end 252. This position allows the decline of the shutter inside the mouthpiece under the pressure of the product.

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'invention telle que revendiquée ci-après.In the above detailed description, reference has been made to modes of preferred embodiment of the invention. It is obvious that variants can to be made without departing from the invention as claimed hereinafter.

Claims (19)

Tête de distribution d'un produit, destinée à être montée sur un récipient, la tête comportant : un corps comportant une frette de montage (20) et un élément d'actionnement (30), mobile par rapport à la frette, pour actionner un organe de distribution prévu sur le récipient ; un conduit (41) apte à communiquer avec le produit à l'intérieur du récipient lors de l'utilisation ; un obturateur (50) disposé au moins en partie dans le conduit (41), l'obturateur étant agencé pour prendre au repos une position d'obturation dans laquelle il repose, par une première portion (51), contre une surface d'appui (43), et pour s'écarter de cette surface d'appui (43) sous l'effet de la pression du produit contenu dans le conduit lors de la distribution du produit, pour former un orifice de distribution (42), l'obturateur revenant en position d'obturation sans rappel élastique,    l'obturateur comportant une seconde portion (52 ; 152 ; 252) apte à se déplacer en réponse à une commande de l'élément d'actionnement (30) entre une première position dans laquelle elle est en butée contre la frette et une seconde position dans laquelle elle est à distance de la frette de manière à permettre à l'obturateur de s'écarter de la surface d'appui (43) sous l'effet de la pression du produit.Dispensing head of a product, intended to be mounted on a container, the head comprising: a body having a mounting hoop (20) and an actuating member (30), movable relative to the hoop, for actuating a dispensing member provided on the container; a conduit (41) adapted to communicate with the product inside the container during use; a shutter (50) disposed at least partly in the duct (41), the shutter being arranged to take a rest position in which it rests, by a first portion (51), against a bearing surface (43), and to deviate from this bearing surface (43) under the effect of the pressure of the product contained in the conduit during the dispensing of the product, to form a dispensing orifice (42), the shutter returning to the closed position without elastic return, the shutter having a second portion (52; 152; 252) movable in response to control of the actuating member (30) between a first position in which it abuts against the hoop and a second position in which it is remote from the hoop so as to allow the shutter to deviate from the bearing surface (43) under the effect of the pressure of the product. Tête de distribution selon la revendication 1, caractérisée en ce que la seconde extrémité (52 ; 152) de l'obturateur est une surface hémisphérique.Dispensing head according to claim 1, characterized in that the second end (52; 152) of the shutter is a hemispherical surface. Tête de distribution selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que la frette (20) comporte une rampe (26) située, notamment lorsque l'obturateur est dans la seconde position, en regard de la seconde extrémité (52) de l'obturateur.Dispensing head according to any one of claims 1 or 2, characterized in that the hoop (20) has a ramp (26) located, in particular when the shutter is in the second position, facing the second end (52). ) of the shutter. Tête de distribution selon l'une quelconque des revendications précédentes, caractérisée en ce que le conduit (41) est délimité par un embout (40) de forme allongée selon un axe X.Dispensing head according to any one of the preceding claims, characterized in that the conduit (41) is delimited by a tip (40) of elongate shape along an axis X. Tête de distribution selon la revendication 4, caractérisée en ce que l'orifice de distribution (42) est formé à une première extrémité de l'embout (40).Dispensing head according to claim 4, characterized in that the dispensing orifice (42) is formed at a first end of the nozzle (40). Tête de distribution selon l'une quelconque des revendications 4 ou 5, caractérisée en ce que l'embout (40) comporte une jupe de montage (45) destinée à s'emmancher sur l'organe de distribution.Dispensing head according to any one of claims 4 or 5, characterized in that the tip (40) has a mounting skirt (45) for engaging on the dispenser member. Tête de distribution selon l'une quelconque des revendications 4 à 6, caractérisée en ce que l'embout (40) comporte un arbre de montage (46) d'axe Y apte à se fixer sur le corps de manière à permettre le pivotement de l'embout relativement à la frette (20) autour de l'axe Y.Dispensing head according to any one of claims 4 to 6, characterized in that the tip (40) comprises a mounting shaft (46) of axis Y adapted to be fixed on the body so as to allow the pivoting of the tip relative to the hoop (20) around the Y axis. Tête de distribution selon l'une quelconque des revendications 4 à 7, caractérisée en ce que l'embout (40) comporte une languette (48) de rappel élastique destinée à venir en appui élastique sur la paroi intérieure de la frette afin de limiter le basculement de l'embout par rapport à la frette.Dispensing head according to any one of claims 4 to 7, characterized in that the tip (40) comprises a tongue (48) for resilient return to bear elastically on the inner wall of the hoop to limit the tilting of the tip relative to the hoop. Tête de distribution selon l'une quelconque des revendications précédentes, caractérisée en ce que l'obturateur (50) est de forme allongée.Dispensing head according to any one of the preceding claims, characterized in that the shutter (50) is of elongate shape. Tête de distribution selon l'une quelconque des revendications précédentes, caractérisée en ce que la première extrémité (51) de l'obturateur (50) présente une forme complémentaire de la forme de l'orifice de distribution (42) de manière à l'obturer de façon étanche.Dispensing head according to any one of the preceding claims, characterized in that the first end (51) of the shutter (50) has a shape complementary to the shape of the dispensing orifice (42) so as to seal tightly. Tête de distribution selon l'une quelconque des revendications précédentes caractérisée en ce que l'élément d'actionnement (30) comporte un ergot (35) apte à venir en appui sur l'embout (40) de telle manière que la force exercée par l'utilisateur sur l'élément d'actionnement (30) soit transmise à l'organe de distribution, via l'embout.Dispensing head according to any one of the preceding claims characterized in that the actuating element (30) comprises a lug (35) adapted to bear on the end piece (40) in such a way that the force exerted by the user on the actuating element (30) is transmitted to the dispenser member, via the nozzle. Tête de distribution selon l'une quelconque des revendications précédentes, caractérisée en ce que la frette comporte des moyens d'accrochage (22) sur le récipient.Dispensing head according to any one of the preceding claims, characterized in that the hoop comprises hooking means (22) on the container. Tête de distribution selon l'une quelconque des revendications précédentes, caractérisée en ce que la frette (20) et l'élément d'actionnement (30) sont réalisés de manière monolithique.Dispensing head according to any one of the preceding claims, characterized in that the hoop (20) and the actuating element (30) are made monolithically. Ensemble de conditionnement et de distribution d'un produit comprenant : un récipient (60) contenant le produit et équipé d'un organe de distribution surmontant le récipient ; et une tête de distribution (10) selon l'une quelconque des revendications précédentes prévue pour activer l'organe de distribution afin de distribuer le produit. Package for packaging and dispensing a product comprising: a container (60) containing the product and equipped with a dispensing member surmounting the container; and a dispensing head (10) according to any one of the preceding claims for activating the dispensing member to dispense the product. Ensemble selon la revendication 14, caractérisé en ce que le récipient (60) est pressurisé et en ce que l'organe de distribution est une valve.Assembly according to claim 14, characterized in that the container (60) is pressurized and in that the dispensing member is a valve. Ensemble selon la revendication 15, caractérisée en ce que la jupe de montage (45) de l'embout (40) est emmanchée sur une tige de valve (63) de la valve.Assembly according to claim 15, characterized in that the mounting skirt (45) of the nozzle (40) is fitted on a valve stem (63) of the valve. Ensemble selon l'une quelconque des revendications 15 ou 16, caractérisé en ce que la valve est du type à déclenchement par enfoncement de la tige de valve.Assembly according to any one of claims 15 or 16, characterized in that the valve is of the trigger type by depressing the valve stem. Ensemble selon l'une quelconque des revendications 15 ou 16, caractérisé en ce que la valve est du type à déclenchement par basculement de la tige de valve.Assembly according to any one of claims 15 or 16, characterized in that the valve is of the type triggered by tilting of the valve stem. Utilisation d'un ensemble selon l'une quelconque des revendications 14 à 18 pour le conditionnement et la distribution d'un produit cosmétique ou de soin.Use of an assembly according to any one of claims 14 to 18 for the packaging and distribution of a cosmetic or care product.
EP05290899A 2004-04-23 2005-04-22 Packaging unit comprising a dispenser head with automatically closing opening Not-in-force EP1588774B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0450772 2004-04-23
FR0450772A FR2869301B1 (en) 2004-04-23 2004-04-23 HEAD OF DISTRIBUTION WITH REFERMABLE AUTO ORIFICE

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EP1588774A1 true EP1588774A1 (en) 2005-10-26
EP1588774B1 EP1588774B1 (en) 2008-12-31

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EP05290899A Not-in-force EP1588774B1 (en) 2004-04-23 2005-04-22 Packaging unit comprising a dispenser head with automatically closing opening

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EP (1) EP1588774B1 (en)
AT (1) ATE419071T1 (en)
DE (1) DE602005012013D1 (en)
ES (1) ES2318433T3 (en)
FR (1) FR2869301B1 (en)

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FR2902675A1 (en) * 2006-06-21 2007-12-28 Lvmh Rech FLUID PRODUCT DISTRIBUTION NOZZLE AND FLUID PRODUCT DISPENSING DEVICE COMPRISING SUCH A NOZZLE
DE102007044180A1 (en) * 2007-09-15 2009-03-19 Fennel Cosmed Gmbh & Co. Kg Self-closing dispensing head
US8444019B2 (en) 2009-08-07 2013-05-21 Ecolab Usa Inc. Wipe and seal product pump
CN103328110A (en) * 2011-01-27 2013-09-25 阿普塔尔法国简易股份公司 Fluid product dispensing head

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USD821202S1 (en) 2015-09-21 2018-06-26 S. C. Johnson & Son, Inc. Container with cap and base
USD830827S1 (en) 2015-09-21 2018-10-16 S. C. Johnson & Son, Inc. Container with base
USD858288S1 (en) 2015-09-21 2019-09-03 S. C. Johnson & Son, Inc. Container with base
USD821201S1 (en) 2015-09-21 2018-06-26 S. C. Johnson & Son, Inc. Container with base
USD821203S1 (en) 2015-09-21 2018-06-26 S. C. Johnson & Son, Inc. Container with cap and base
US10940493B2 (en) 2018-07-26 2021-03-09 S. C. Johnson & Son, Inc. Actuator and nozzle insert for dispensing systems

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US6257503B1 (en) * 1999-05-10 2001-07-10 L'oreal Dispenser head and receptacle fitted therewith
WO2004000066A1 (en) * 2002-06-20 2003-12-31 Rpc Wiko Gmbh & Co. Kg Dispenser head with a check valve

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US5096098A (en) * 1989-11-07 1992-03-17 Valois Pushbutton for actuating a dispenser for semi-liquid substances
US5624055A (en) * 1994-03-03 1997-04-29 Clanet; Frank Dispenser device with sealed closure for the contents of a receptacle that is pressurized or that has a pump
US6257503B1 (en) * 1999-05-10 2001-07-10 L'oreal Dispenser head and receptacle fitted therewith
WO2004000066A1 (en) * 2002-06-20 2003-12-31 Rpc Wiko Gmbh & Co. Kg Dispenser head with a check valve

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Publication number Priority date Publication date Assignee Title
FR2902675A1 (en) * 2006-06-21 2007-12-28 Lvmh Rech FLUID PRODUCT DISTRIBUTION NOZZLE AND FLUID PRODUCT DISPENSING DEVICE COMPRISING SUCH A NOZZLE
US8128008B2 (en) 2006-06-21 2012-03-06 Lvmh Recherche Fluid dispenser nozzle and a fluid dispenser device including such a nozzle
DE102007044180A1 (en) * 2007-09-15 2009-03-19 Fennel Cosmed Gmbh & Co. Kg Self-closing dispensing head
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US8444019B2 (en) 2009-08-07 2013-05-21 Ecolab Usa Inc. Wipe and seal product pump
CN103328110A (en) * 2011-01-27 2013-09-25 阿普塔尔法国简易股份公司 Fluid product dispensing head
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CN103328110B (en) * 2011-01-27 2016-08-17 阿普塔尔法国简易股份公司 Fluid-product dispensing head

Also Published As

Publication number Publication date
FR2869301A1 (en) 2005-10-28
ATE419071T1 (en) 2009-01-15
DE602005012013D1 (en) 2009-02-12
EP1588774B1 (en) 2008-12-31
FR2869301B1 (en) 2007-08-10
ES2318433T3 (en) 2009-05-01

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