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EP1202818A1 - Device for dispensing a fluid product with closure system - Google Patents

Device for dispensing a fluid product with closure system

Info

Publication number
EP1202818A1
EP1202818A1 EP00958625A EP00958625A EP1202818A1 EP 1202818 A1 EP1202818 A1 EP 1202818A1 EP 00958625 A EP00958625 A EP 00958625A EP 00958625 A EP00958625 A EP 00958625A EP 1202818 A1 EP1202818 A1 EP 1202818A1
Authority
EP
European Patent Office
Prior art keywords
dispensing
orifice
head
dispensing head
closure system
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
EP00958625A
Other languages
German (de)
French (fr)
Other versions
EP1202818B1 (en
Inventor
Ludovic Petit
Laurent Arghyris
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.)
Aptar France SAS
Original Assignee
Valois SAS
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 Valois SAS filed Critical Valois SAS
Publication of EP1202818A1 publication Critical patent/EP1202818A1/en
Application granted granted Critical
Publication of EP1202818B1 publication Critical patent/EP1202818B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • 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
    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
    • B05B11/1019—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element the inlet valve moving concurrently with the controlling element during whole pressure and aspiration strokes, e.g. a cage for an inlet valve ball being part of the controlling element

Definitions

  • Fluid product distribution device with closure system
  • the present invention relates to a fluid product dispensing device, and more particularly to a fluid product dispensing device comprising a closure system. It is well known in the state of the art to use shutters to seal the dispensing orifice of a dispensing device for fluid product between two actuations. Two different types of shutters are generally used. Thus, document FR-2 750 406 discloses a removable cover comprising a closure element, said cover being removed and replaced by the user, respectively before and after each use of the dispenser. This type of shutter has the disadvantage that the shutter is not independent of the user, which means that if the user forgets to put the shutter cover back in place after actuation of the device, this shutter is not carried out.
  • this system requires the user to perform several additional operations, namely removing and then replacing the shutter cover, which can be a drawback, particularly with the elderly, the disabled or with children.
  • These shutter systems do not have the above drawback since they are automatic and therefore independent of the user, but they have the drawback, in particular in spraying devices, of modifying the spraying profile and therefore of preventing optimal and perfectly reproducible spraying of the product on each actuation.
  • these shutter systems do not prevent a small amount of product from remaining on the area situated around the dispensing orifice, outside of it, after actuation of the dispenser. These small quantities of product may then dry out and partially or completely block the dispensing orifice, or oxidize and be dispensed during the next actuation.
  • the present invention aims to provide a fluid dispenser device comprising a closure system which does not reproduce the aforementioned drawbacks.
  • the present invention therefore aims to provide a fluid dispenser device comprising a closure system in which the closure is performed independently of the user.
  • the present invention also aims to provide such a fluid dispensing device which guarantees optimum and reproducible spraying on each actuation.
  • the present invention also aims to provide such a fluid dispensing device which prevents any risk of blockage of the dispensing orifice between two actuations.
  • the present invention also aims to provide such a fluid dispenser device comprising a closure system, in which the closure system prevents any oxidation of product in or around said dispensing orifice after each actuation of the dispenser.
  • the present invention also aims to provide such a fluid dispenser device comprising a closure system, which is simple and inexpensive to produce, and easily adaptable to existing dispensing heads.
  • the present invention therefore relates to a fluid dispenser device comprising a product reservoir, a dispenser member, such as a pump, mounted on said reservoir, and a dispensing head provided with a dispensing orifice, mounted on said dispensing member movable between a rest position and a dispensing position, the device comprising a closure system fixed to said reservoir, comprising a closure element adapted to close the distribution opening from the outside rest position of the dispensing head, said closure system also comprising passage means, such as an opening, cooperating with said dispensing orifice in the dispensing position of said dispensing head, allowing the expulsion of product to through said dispensing orifice.
  • said closure system is formed so as to allow manual actuation of the dispensing head by a user.
  • the dispensing head is axially displaceable and the dispensing orifice is directed radially, said closure system being produced in the form of a hollow sleeve disposed around said dispensing head, said hollow sleeve having on one side the opening and the closure element disposed above said opening, and on the other side a cutout through which the dispensing head projects so that it can be actuated by the user.
  • said dispensing member comprises an initial dead stroke, the actuation of said dispensing member only starting after displacement of the dispensing head over this dead stroke, when the dispensing orifice cooperates with said means for passing said system. shutter.
  • the closure element slides with friction over the area situated around the dispensing orifice. , to completely eliminate all traces of product at the level of said dispensing orifice.
  • said closure system is snapped onto the neck of the reservoir.
  • said dispensing head comprises an internal nozzle to limit the dead volume, and a spray profile to ensure spraying of product when the dispensing member is actuated.
  • the dispensing device comprises a reservoir 10 on which is mounted a dispensing member 20, such as a precompression pump in the example shown in the figure.
  • This pump 20 can be fixedly mounted on the tank 10 in any way, in particular by means of a screwable, snap-on, or crimping fixing ring 25.
  • a dispensing head 30 is mounted on said pump 20 to actuate the latter, said head 30 comprising a dispensing orifice 31, and being axially displaceable between a rest position and a dispensing position.
  • the dispensing head 30 can be moved from its rest position to its dispensing position by a finger of the user exerting pressure on its upper surface, and be brought back from its dispensing position to its rest position by the return spring 22 of the pump 20.
  • the fluid dispenser device further comprises a closure system 40 fixed to the reservoir 10.
  • the closure system 40 is snapped onto the reservoir neck 10 around the ring 25, but other means of fixing the closure system 40 on the tank 10 are possible.
  • the shutter system 40 includes a hollow sleeve 45 which incorporates a shutter element 41 cooperating with the dispensing orifice 31 of the dispensing head 30 in the rest position thereof. ci, and an opening 42 which cooperates with the dispensing orifice 31 in the dispensing position of the dispensing head 30, to allow the expulsion of the product through said dispensing orifice 31 and said opening 42.
  • the dispensing orifice 31 is oriented radially in the dispensing head 30, which is axially displaceable between its rest and dispensing positions.
  • the shutter element 41 is therefore disposed on the internal lateral wall of the hollow sleeve 45, above the opening 42.
  • the pump 20 preferably comprises an initial dead stroke so that the expulsion of the product does not start until after this dead stroke, when the dispensing orifice 31 is located opposite the opening 42.
  • the closure system 40 in particular the hollow sleeve 45, has a cutout 48 on the side opposite to that comprising the shutter element 41 and the window 42, so that the dispensing head 30 projects through said cutout 48 thus allowing the user to press on said head 30 from the outside easily.
  • the shape of the cutout 48 of the sleeve 45 can be arbitrary.
  • the closure element 41 may be of any suitable shape and material, for example in the form of a tampon. It can also include a bacteriostatic and / or oligodynamic material.
  • the opening 42 is advantageously made in the form of a window in the side wall of the hollow sleeve 45, the dimensions of which are suitable so as not to impede the expulsion of the product.
  • the closure element 41 eliminates any trace of product remaining after actuation of the dispenser in this area. There is therefore no risk that even a very small quantity of product will oxidize between two actuations and then distributed during the next actuation. Similarly, there is no risk that even a very small quantity of product dries and completely or partially clogs the dispensing orifice, which can affect the quality of the spray.
  • the shutter element therefore advantageously thus exercises a cleaning function of the dispensing orifice 31.
  • the shutter member 41 slides with friction on the external surface of the zone situated around the dispensing orifice 31 of the dispensing head 30.
  • the present invention applies to spraying devices comprising an internal nozzle to limit the dead volume and a spraying profile to guarantee optimum spraying of the product on each actuation.
  • the present invention thus makes it possible to guarantee an absolutely sealed closure, independently of the user, and without modifying in any way the spray profile and therefore the optimal shape of the spray when the dispenser is actuated.
  • the present invention has been described with reference to a particular embodiment in which the dispensing orifice 31 is directed radially, and the dispensing head 30 is axially displaceable. It would however be conceivable to apply the present invention to another type of dispensing head, for example a pivoting dispensing head, and a dispensing orifice directed in a different manner, provided of course that the dispensing head moves by relative to the closure system attached to the reservoir, to allow movement of the dispensing orifice between the closure element and the opening of the closure system.
  • the dispensing member can be of any type, the precompression pump shown in the figure being only one advantageous embodiment.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Abstract

The invention concerns a device for dispensing a fluid product comprising a fluid product reservoir (10), a dispensing member (10), such as a pump mounted on said reservoir (10), and a dispensing head (20) provided with a dispensing orifice (31), mounted on said dispensing member (20) so as to be mobile between a normal position and a dispensing position. The invention is characterised in that the device comprises a closure system (40) fixed to said reservoir (10), comprising a closure element (41) adapted to seal from outside the dispensing orifice (31) in a normal position of the dispensing head (30), said closure system (40) further comprising communication means (42), such as an opening co-operating with said dispensing orifice (31) in dispensing position of the dispensing head (30) for expelling the product through said dispensing orifice (31).

Description

Dispositif de distribution de produit fluide avec système d'obturation. Fluid product distribution device with closure system.
La présente invention concerne un dispositif de distribution de produit fluide, et plus particulièrement un dispositif de distribution de produit fluide comportant un système d'obturation. II est bien connu dans l'état de la technique d'utiliser des obturateurs pour obturer de manière étanche l'orifice de distribution d'un dispositif de distribution de produit fluide entre deux actionnements. Deux types différents d'obturateurs sont généralement utilisés. Ainsi, le document FR-2 750 406 divulgue un capot amovible comportant un élément d'obturation, ledit capot étant enlevé et remis en place par l'utilisateur, respectivement avant et après chaque utilisation du distributeur. Ce type d'obturateur présente l'inconvénient que l'obturation n'est pas indépendante de l'utilisateur, ce qui signifie que si l'utilisateur oublie de remettre le capot d'obturation en place après l'actionnement du dispositif, cette obturation n'est pas réalisée. De plus, ce système impose à l'utilisateur plusieurs manipulations supplémentaires, à savoir retirer puis remettre en place le capot d'obturation, ce qui peut être un inconvénient, notamment avec des personnes âgées, handicapées ou avec des enfants. D'autre part, il est également connu de disposer un obturateur dans la tête de distribution en aval de l'orifice de distribution. Ces systèmes d'obturation ne présentent pas l'inconvénient précédent puisqu'ils sont automatiques et donc indépendants de l'utilisateur, mais ils présentent l'inconvénient, notamment dans les dispositifs de pulvérisation de modifier le profil de pulvérisation et donc d'empêcher une pulvérisation optimale et parfaitement reproductible du produit à chaque actionnement. D'autre part, en raison de leur position en aval de l'orifice de distribution, ces systèmes d'obturateur n'évitent pas qu'une petite quantité de produit puisse rester sur la zone située autour de l'orifice de distribution, à l'extérieur de celui-ci, après l'actionnement du distributeur. Ces petites quantités de produit risquent ensuite de sécher et de boucher partiellement ou totalement l'orifice de distribution, ou de s'oxyder et d'être distribuées lors du prochain actionnement.The present invention relates to a fluid product dispensing device, and more particularly to a fluid product dispensing device comprising a closure system. It is well known in the state of the art to use shutters to seal the dispensing orifice of a dispensing device for fluid product between two actuations. Two different types of shutters are generally used. Thus, document FR-2 750 406 discloses a removable cover comprising a closure element, said cover being removed and replaced by the user, respectively before and after each use of the dispenser. This type of shutter has the disadvantage that the shutter is not independent of the user, which means that if the user forgets to put the shutter cover back in place after actuation of the device, this shutter is not carried out. In addition, this system requires the user to perform several additional operations, namely removing and then replacing the shutter cover, which can be a drawback, particularly with the elderly, the disabled or with children. On the other hand, it is also known to have a shutter in the dispensing head downstream of the dispensing orifice. These shutter systems do not have the above drawback since they are automatic and therefore independent of the user, but they have the drawback, in particular in spraying devices, of modifying the spraying profile and therefore of preventing optimal and perfectly reproducible spraying of the product on each actuation. On the other hand, due to their position downstream of the dispensing orifice, these shutter systems do not prevent a small amount of product from remaining on the area situated around the dispensing orifice, outside of it, after actuation of the dispenser. These small quantities of product may then dry out and partially or completely block the dispensing orifice, or oxidize and be dispensed during the next actuation.
La présente invention a pour but de fournir un dispositif de distribution de produit fluide comportant un système d'obturation qui ne reproduit pas les inconvénients susmentionnés. La présente invention a donc pour but de fournir un dispositif de distribution de produit fluide comportant un système d'obturation dans lequel l'obturation est réalisée de manière indépendante de l'utilisateur.The present invention aims to provide a fluid dispenser device comprising a closure system which does not reproduce the aforementioned drawbacks. The present invention therefore aims to provide a fluid dispenser device comprising a closure system in which the closure is performed independently of the user.
La présente invention a aussi pour but de fournir un tel dispositif de distribution de produit fluide qui garantit une pulvérisation optimale et reproductible à chaque actionnement.The present invention also aims to provide such a fluid dispensing device which guarantees optimum and reproducible spraying on each actuation.
La présente invention a encore pour but de fournir un tel dispositif de distribution de produit fluide qui empêche tout risque de bouchage de l'orifice de distribution entre deux actionnements. La présente invention a également pour but de fournir un tel dispositif de distribution de produit fluide comportant un système d'obturation, dans lequel le système d'obturation empêche toute oxydation de produit dans ou autour dudit orifice de distribution après chaque actionnement du distributeur.The present invention also aims to provide such a fluid dispensing device which prevents any risk of blockage of the dispensing orifice between two actuations. The present invention also aims to provide such a fluid dispenser device comprising a closure system, in which the closure system prevents any oxidation of product in or around said dispensing orifice after each actuation of the dispenser.
La présente invention a également pour but de fournir un tel dispositif de distribution de produit fluide comportant un système d'obturation, qui soit simple et peu coûteux à réaliser, et facilement adaptable aux têtes de distribution existantes.The present invention also aims to provide such a fluid dispenser device comprising a closure system, which is simple and inexpensive to produce, and easily adaptable to existing dispensing heads.
La présente invention a donc pour objet un dispositif de distribution de produit fluide comportant un réservoir de produit, un organe de distribution, tel qu'une pompe, monté sur ledit réservoir, et une tête de distribution pourvue d'un orifice de distribution, montée sur ledit organe de distribution de manière deplaçable entre une position de repos et une position de distribution, le dispositif comportant un système d'obturation fixé audit réservoir, comportant un élément d'obturation adapté à obturer par l'extérieur l'orifice de distribution en position de repos de la tête de distribution, ledit système d'obturation comportant également des moyens de passage, tels qu'une ouverture, coopérant avec ledit orifice de distribution en position de distribution de ladite tête de distribution, permettant l'expulsion de produit à travers ledit orifice de distribution.The present invention therefore relates to a fluid dispenser device comprising a product reservoir, a dispenser member, such as a pump, mounted on said reservoir, and a dispensing head provided with a dispensing orifice, mounted on said dispensing member movable between a rest position and a dispensing position, the device comprising a closure system fixed to said reservoir, comprising a closure element adapted to close the distribution opening from the outside rest position of the dispensing head, said closure system also comprising passage means, such as an opening, cooperating with said dispensing orifice in the dispensing position of said dispensing head, allowing the expulsion of product to through said dispensing orifice.
Avantageusement, ledit système d'obturation est formé de telle manière à permettre l'actionnement manuel de la tête de distribution par un utilisateur.Advantageously, said closure system is formed so as to allow manual actuation of the dispensing head by a user.
Avantageusement, la tête de distribution est deplaçable axialement et l'orifice de distribution est dirigé radialement, ledit système d'obturation étant réalisé sous la forme d'un manchon creux disposé autour de ladite tête de distribution, ledit manchon creux comportant d'un côté l'ouverture et l'élément d'obturation disposé au-dessus de ladite ouverture, et de l'autre côté une découpe à travers laquelle la tête de distribution fait saillie de manière à pouvoir être actionnée par l'utilisateur.Advantageously, the dispensing head is axially displaceable and the dispensing orifice is directed radially, said closure system being produced in the form of a hollow sleeve disposed around said dispensing head, said hollow sleeve having on one side the opening and the closure element disposed above said opening, and on the other side a cutout through which the dispensing head projects so that it can be actuated by the user.
De préférence, ledit organe de distribution comporte une course morte initiale, l'actionnement dudit organe de distribution ne commençant qu'après déplacement de la tête de distribution sur cette course morte, lorsque l'orifice de distribution coopère avec lesdits moyens de passage dudit système d'obturation.Preferably, said dispensing member comprises an initial dead stroke, the actuation of said dispensing member only starting after displacement of the dispensing head over this dead stroke, when the dispensing orifice cooperates with said means for passing said system. shutter.
De préférence, lorsque la tête de distribution revient de sa position de distribution vers sa position de repos, après un actionnement de l'organe de distribution, l'élément d'obturation glisse avec frottement sur la zone située autour de l'orifice de distribution, pour totalement éliminer toute trace de produit au niveau dudit orifice de distribution.Preferably, when the dispensing head returns from its dispensing position to its rest position, after actuation of the dispensing member, the closure element slides with friction over the area situated around the dispensing orifice. , to completely eliminate all traces of product at the level of said dispensing orifice.
Avantageusement, ledit système d'obturation est encliqueté sur le col du réservoir.Advantageously, said closure system is snapped onto the neck of the reservoir.
Avantageusement, ladite tête de distribution comporte un gicleur interne pour limiter le volume mort, et un profil de pulvérisation pour assurer une pulvérisation de produit lors de l'actionnement de l'organe de distribution.Advantageously, said dispensing head comprises an internal nozzle to limit the dead volume, and a spray profile to ensure spraying of product when the dispensing member is actuated.
Les caractéristiques et avantages de la présente invention apparaîtront plus clairement au cours de la description détaillée suivante d'un mode de réalisation particulier de celle-ci, donné à titre d'exemple non limitatif en regard des dessins joints, sur lesquels la figure unique représente une vue schématique en section transversale d'un dispositif de distribution de produit fluide selon la présente invention, en position de repos.The characteristics and advantages of the present invention will appear more clearly during the following detailed description of a particular embodiment thereof, given by way of nonlimiting example with reference to the accompanying drawings, in which the single figure represents a schematic cross-sectional view of a fluid dispenser device according to the present invention, in the rest position.
Le dispositif de distribution comporte un réservoir 10 sur lequel est monté un organe de distribution 20, tel qu'une pompe à précompression dans l'exemple représenté sur la figure. Cette pompe 20 peut être montée fixement sur le réservoir 10 d'une manière quelconque, notamment au moyen d'une bague de fixation 25 vissable, encliquetable, ou à sertir. Une tête de distribution 30 est montée sur ladite pompe 20 pour actionner celle-ci, ladite tête 30 comportant un orifice de distribution 31 , et étant deplaçable axialement entre une position de repos et une position de distribution. Avantageusement, la tête de distribution 30 peut être déplacée de sa position de repos vers sa position de distribution par un doigt de l'utilisateur exerçant une pression sur sa surface supérieure, et être ramenée de sa position de distribution vers sa position de repos par le ressort de rappel 22 de la pompe 20.The dispensing device comprises a reservoir 10 on which is mounted a dispensing member 20, such as a precompression pump in the example shown in the figure. This pump 20 can be fixedly mounted on the tank 10 in any way, in particular by means of a screwable, snap-on, or crimping fixing ring 25. A dispensing head 30 is mounted on said pump 20 to actuate the latter, said head 30 comprising a dispensing orifice 31, and being axially displaceable between a rest position and a dispensing position. Advantageously, the dispensing head 30 can be moved from its rest position to its dispensing position by a finger of the user exerting pressure on its upper surface, and be brought back from its dispensing position to its rest position by the return spring 22 of the pump 20.
Selon l'invention, le dispositif de distribution de produit fluide comporte en outre un système d'obturation 40 fixé au réservoir 10. Dans l'exemple représenté, le système d'obturation 40 est encliqueté sur le col de réservoir 10 autour de la bague de fixation 25, mais d'autres moyens de fixation du système d'obturation 40 sur le réservoir 10 sont envisageables. Dans l'exemple représenté sur la figure, le système d'obturation 40 comporte un manchon creux 45 qui incorpore un élément d'obturation 41 coopérant avec l'orifice de distribution 31 de la tête de distribution 30 dans la position de repos de celle-ci, et une ouverture 42 qui coopère avec l'orifice de distribution 31 en position de distribution de la tête de distribution 30, pour permettre l'expulsion du produit à travers ledit orifice de distribution 31 et ladite ouverture 42. Dans le mode de réalisation représenté sur la figure, l' orifice de distribution 31 est orienté radialement dans la tête de distribution 30, qui est deplaçable axialement entre ses positions de repos et de distribution. L'élément d'obturation 41 est donc disposé sur la paroi latérale interne du manchon creux 45, au-dessus de l'ouverture 42. Dans ce cas, la pompe 20 comporte de préférence une course morte initiale de sorte que l'expulsion du produit ne commence qu'après cette course morte, lorsque l'orifice de distribution 31 est situé face à l'ouverture 42. Pour faciliter l'actionnement du dispositif de distribution, le système d'obturation 40, en particulier le manchon creux 45, comporte une découpe 48 sur le côté opposé à celui comportant l'élément d'obturation 41 et la fenêtre 42, de telle sorte que la tête de distribution 30 fait saillie à travers ladite découpe 48 permettant ainsi à l'utilisateur d'appuyer sur ladite tête 30 depuis l'extérieur de manière aisée. Bien entendu, la forme de la découpe 48 du manchon 45 peut être quelconque. L'élément d'obturation 41 peut être de forme et de matériau quelconques appropriés, par exemple sous la forme d'un tampon. Il peut également comporter un matériau bactériostatique et/ou oligodynamique. L'ouverture 42 est avantageusement réalisée sous la forme d'une fenêtre dans la paroi latérale du manchon creux 45, dont les dimensions sont appropriées pour ne pas entraver l'expulsion du produit. L'élément d'obturation 41 élimine toute trace de produit restant après l'actionnement du distributeur au niveau de cette zone. Ainsi, il n'y a aucun risque qu'une quantité même très minime de produit s'oxyde entre deux actionnements et soit ensuite distribuée lors du prochain actionnement. De même, il n'y a aucun risque qu'une quantité même très minime de produit sèche et bouche totalement ou partiellement l'orifice de distribution, ce qui peut altérer la qualité de la pulvérisation. L'élément d'obturation exerce donc avantageusement ainsi une fonction de nettoyage de l'orifice de distribution 31. De manière avantageuse, lorsque la tête de distribution 30 revient de sa position de distribution vers sa position de repos, l'élément d'obturation 41 glisse avec frottement sur la surface externe de la zone située autour de l'orifice de distribution 31 de la tête de distribution 30. Ceci favorise encore davantage cette fonction de nettoyage. De préférence, la présente invention s'applique aux dispositifs de pulvérisation comportant un gicleur interne pour limiter le volume mort et un profil de pulvérisation pour garantir une pulvérisation optimale du produit à chaque actionnement. La présente invention permet ainsi de garantir une obturation absolument étanche, de manière indépendante de l'utilisateur, et sans modifier d'une quelconque manière le profil de pulvérisation et donc la forme optimale du spray lors de l'actionnement du distributeur.According to the invention, the fluid dispenser device further comprises a closure system 40 fixed to the reservoir 10. In the example shown, the closure system 40 is snapped onto the reservoir neck 10 around the ring 25, but other means of fixing the closure system 40 on the tank 10 are possible. In the example shown in the figure, the shutter system 40 includes a hollow sleeve 45 which incorporates a shutter element 41 cooperating with the dispensing orifice 31 of the dispensing head 30 in the rest position thereof. ci, and an opening 42 which cooperates with the dispensing orifice 31 in the dispensing position of the dispensing head 30, to allow the expulsion of the product through said dispensing orifice 31 and said opening 42. In the embodiment shown in the figure, the dispensing orifice 31 is oriented radially in the dispensing head 30, which is axially displaceable between its rest and dispensing positions. The shutter element 41 is therefore disposed on the internal lateral wall of the hollow sleeve 45, above the opening 42. In this case, the pump 20 preferably comprises an initial dead stroke so that the expulsion of the product does not start until after this dead stroke, when the dispensing orifice 31 is located opposite the opening 42. To facilitate actuation of the dispensing device, the closure system 40, in particular the hollow sleeve 45, has a cutout 48 on the side opposite to that comprising the shutter element 41 and the window 42, so that the dispensing head 30 projects through said cutout 48 thus allowing the user to press on said head 30 from the outside easily. Of course, the shape of the cutout 48 of the sleeve 45 can be arbitrary. The closure element 41 may be of any suitable shape and material, for example in the form of a tampon. It can also include a bacteriostatic and / or oligodynamic material. The opening 42 is advantageously made in the form of a window in the side wall of the hollow sleeve 45, the dimensions of which are suitable so as not to impede the expulsion of the product. The closure element 41 eliminates any trace of product remaining after actuation of the dispenser in this area. There is therefore no risk that even a very small quantity of product will oxidize between two actuations and then distributed during the next actuation. Similarly, there is no risk that even a very small quantity of product dries and completely or partially clogs the dispensing orifice, which can affect the quality of the spray. The shutter element therefore advantageously thus exercises a cleaning function of the dispensing orifice 31. Advantageously, when the dispensing head 30 returns from its dispensing position to its rest position, the shutter member 41 slides with friction on the external surface of the zone situated around the dispensing orifice 31 of the dispensing head 30. This further promotes this cleaning function. Preferably, the present invention applies to spraying devices comprising an internal nozzle to limit the dead volume and a spraying profile to guarantee optimum spraying of the product on each actuation. The present invention thus makes it possible to guarantee an absolutely sealed closure, independently of the user, and without modifying in any way the spray profile and therefore the optimal shape of the spray when the dispenser is actuated.
La présente invention a été décrite en référence à un mode de réalisation particulier dans lequel l'orifice de distribution 31 est dirigé radialement, et la tête de distribution 30 est deplaçable axialement. Il serait toutefois envisageable d'appliquer la présente invention à un autre type de tête de distribution, par exemple une tête de distribution pivotante, et un orifice de distribution dirigé de manière différente, à condition bien entendu que la tête de distribution effectue un déplacement par rapport au système d'obturation fixé au réservoir, pour permettre un déplacement de l'orifice de distribution entre l'élément d'obturation et l'ouverture du système d'obturation.The present invention has been described with reference to a particular embodiment in which the dispensing orifice 31 is directed radially, and the dispensing head 30 is axially displaceable. It would however be conceivable to apply the present invention to another type of dispensing head, for example a pivoting dispensing head, and a dispensing orifice directed in a different manner, provided of course that the dispensing head moves by relative to the closure system attached to the reservoir, to allow movement of the dispensing orifice between the closure element and the opening of the closure system.
D'autres modifications sont également envisageables sans sortir du cadre de la présente invention dont la portée est uniquement définie par les revendications annexées. Par exemple, l'organe de distribution peut être d'un type quelconque, la pompe à précompression représentée sur la figure n'étant qu'un exemple de réalisation avantageux. Other modifications are also possible without departing from the scope of the present invention, the scope of which is only defined by the appended claims. For example, the dispensing member can be of any type, the precompression pump shown in the figure being only one advantageous embodiment.

Claims

Revendications : Claims:
1.- Dispositif de distribution de produit fluide comportant un réservoir de produit fluide (10), un organe de distribution (20), tel qu'une pompe, monté sur ledit réservoir (10), et une tête de distribution (30) pourvue d'un orifice de distribution1.- Fluid product distribution device comprising a fluid product reservoir (10), a distribution member (20), such as a pump, mounted on said reservoir (10), and a distribution head (30) provided a distribution orifice
(31), montée sur ledit organe de distribution (20) de manière deplaçable entre une position de repos et une position de distribution, caractérisé en ce que le dispositif comporte un système d'obturation (40) fixé audit réservoir (10), comportant un élément d'obturation (41) adapté à obturer par l'extérieur l'orifice de distribution (31) en position de repos de la tête de distribution (30), ledit système d'obturation(31), mounted on said dispensing member (20) so as to be displaceable between a rest position and a dispensing position, characterized in that the device comprises a closure system (40) fixed to said reservoir (10), comprising a shutter element (41) adapted to close the dispensing orifice (31) from the outside in the rest position of the dispensing head (30), said shutter system
(40) comportant également des moyens de passage (42), tels qu'une ouverture, coopérant avec ledit orifice de distribution (31) en position de distribution de la tête de distribution (30), permettant l'expulsion de produit à travers ledit orifice de distribution (31). (40) also comprising passage means (42), such as an opening, cooperating with said dispensing orifice (31) in the dispensing position of the dispensing head (30), allowing product to be expelled through said distribution orifice (31).
2.- Dispositif selon la revendication 1 , dans lequel ledit système d'obturation2.- Device according to claim 1, wherein said shutter system
(40) est formé de telle manière à permettre l'actionnement manuel de la tête de distribution (30) par un utilisateur.(40) is formed so as to allow manual actuation of the dispensing head (30) by a user.
3.- Dispositif selon les revendications 1 ou 2, dans lequel la tête de distribution (30) est deplaçable axialement et l'orifice de distribution (31) est dirigé radialement, ledit système d'obturation (40) étant réalisé sous la forme d'un manchon creux (45) disposé autour de ladite tête de distribution (30), ledit manchon creux (45) comportant d'un côté l'ouverture (42) et l'élément d'obturation (41) disposé au-dessus de ladite ouverture (42), et de l'autre côté une découpe à travers laquelle la tête de distribution (30) fait saillie de manière à pouvoir être actionnée par l'utilisateur.3.- Device according to claims 1 or 2, wherein the dispensing head (30) is axially displaceable and the dispensing orifice (31) is directed radially, said closure system (40) being produced in the form of '' a hollow sleeve (45) disposed around said dispensing head (30), said hollow sleeve (45) having on one side the opening (42) and the closure element (41) disposed above said opening (42), and on the other side a cutout through which the dispensing head (30) projects so that it can be actuated by the user.
4.- Dispositif selon l'une quelconque des revendications précédentes, dans lequel ledit organe de distribution (20) comporte une course morte initiale, l'actionnement dudit organe de distribution (20) ne commençant qu'après déplacement de la tête de distribution (30) sur cette course morte, lorsque l'orifice de distribution (31) coopère avec lesdits moyens de passage (42) dudit système d'obturation (40).4.- Device according to any one of the preceding claims, in which said dispensing member (20) comprises an initial dead stroke, the actuation of said dispensing member (20) starting only after displacement of the dispensing head ( 30) on this dead stroke, when the dispensing orifice (31) cooperates with said passage means (42) of said closure system (40).
5.- Dispositif selon l'une quelconque des revendications précédentes, dans lequel, lorsque la tête de distribution (30) revient de sa position de distribution vers sa position de repos, après un actionnement de l'organe de distribution (20), l'élément d'obturation (41) glisse avec frottement sur la zone située autour de l'orifice de distribution (31), pour totalement éliminer toute trace de produit au niveau dudit orifice de distribution (31).5.- Device according to any one of the preceding claims, in which, when the dispensing head (30) returns from its dispensing position to its rest position, after actuation of the dispensing member (20), the closure element (41) slides with friction over the area situated around the dispensing orifice (31), in order to completely eliminate any trace of product at the said dispensing orifice (31).
6.- Dispositif selon l'une quelconque des revendications précédentes, dans lequel ledit système d'obturation (40) est encliqueté sur le col du réservoir (10).6.- Device according to any one of the preceding claims, wherein said closure system (40) is snapped onto the neck of the tank (10).
7.- Dispositif selon l'une quelconque des revendications précédentes, dans lequel ladite tête de distribution (30) comporte un gicleur interne pour limiter le volume mort, et un profil de pulvérisation pour assurer une pulvérisation de produit lors de l'actionnement de l'organe de distribution (20). 7.- Device according to any one of the preceding claims, wherein said dispensing head (30) comprises an internal nozzle to limit the dead volume, and a spray profile to ensure spraying of product during actuation of the 'distribution member (20).
EP00958625A 1999-07-28 2000-07-26 Device for dispensing a fluid product with closure system Expired - Lifetime EP1202818B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9909798A FR2796921B1 (en) 1999-07-28 1999-07-28 FLUID PRODUCT DISPENSING DEVICE WITH SHUTTERING SYSTEM
FR9909798 1999-07-28
PCT/FR2000/002151 WO2001007171A1 (en) 1999-07-28 2000-07-26 Device for dispensing a fluid product with closure system

Publications (2)

Publication Number Publication Date
EP1202818A1 true EP1202818A1 (en) 2002-05-08
EP1202818B1 EP1202818B1 (en) 2004-04-07

Family

ID=9548626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00958625A Expired - Lifetime EP1202818B1 (en) 1999-07-28 2000-07-26 Device for dispensing a fluid product with closure system

Country Status (7)

Country Link
US (1) US20040211791A1 (en)
EP (1) EP1202818B1 (en)
JP (1) JP4773657B2 (en)
CN (1) CN1143738C (en)
DE (1) DE60009714T2 (en)
FR (1) FR2796921B1 (en)
WO (1) WO2001007171A1 (en)

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US8678243B2 (en) 2007-05-30 2014-03-25 Glaxo Group Limited Fluid dispenser
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Also Published As

Publication number Publication date
FR2796921B1 (en) 2001-10-05
FR2796921A1 (en) 2001-02-02
JP2003505236A (en) 2003-02-12
EP1202818B1 (en) 2004-04-07
US20040211791A1 (en) 2004-10-28
DE60009714D1 (en) 2004-05-13
DE60009714T2 (en) 2005-03-17
CN1365301A (en) 2002-08-21
CN1143738C (en) 2004-03-31
WO2001007171A1 (en) 2001-02-01
JP4773657B2 (en) 2011-09-14

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