EP2237897B1 - Fluid product dispenser - Google Patents

Fluid product dispenser Download PDF

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Publication number
EP2237897B1
EP2237897B1 EP08865339A EP08865339A EP2237897B1 EP 2237897 B1 EP2237897 B1 EP 2237897B1 EP 08865339 A EP08865339 A EP 08865339A EP 08865339 A EP08865339 A EP 08865339A EP 2237897 B1 EP2237897 B1 EP 2237897B1
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EP
European Patent Office
Prior art keywords
neck
ring
hoop
dispenser
dispenser according
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Active
Application number
EP08865339A
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German (de)
French (fr)
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EP2237897A1 (en
Inventor
Alain Behar
Gérard CORNET
Francis Moreau
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
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Publication of EP2237897A1 publication Critical patent/EP2237897A1/en
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    • 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
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1049—Attachment arrangements comprising a deformable or resilient ferrule clamped or locked onto the neck of the container by displacing, e.g. sliding, a sleeve surrounding the ferrule

Definitions

  • the present invention relates to a fluid dispenser comprising a fluid reservoir having a neck defining an opening and an axis X, the neck projecting axially from a shoulder.
  • the dispenser also comprises a dispensing assembly comprising a dispensing member, such as a pump or a valve, and a fastening system for fixing the dispensing member on the neck of the reservoir, this fastening system comprising a fixing ring. engaged with the neck and a locking ring engaged axially around the ring to lock the ring on the collar in the final mounting position.
  • the preferred fields of application of the present invention are those of perfumery, cosmetics or even pharmacy.
  • the fixing ring comprises receiving means, such as a housing, for receiving the dispensing member, which may for example comprise a projecting collar intended to be engaged by snapping into the housing of the ring.
  • the fixing ring also comprises a substantially cylindrical fixing skirt defining an internal wall provided with one or more attachment profile (s) intended (s) to come into engagement with the collar of the tank.
  • the neck of the tank forms a projecting annular external reinforcement under which the attachment profile (s) engage in the final assembly position.
  • the function of the locking band is to prevent the disengagement of the internal profiles of the skirt of the ring from below the protruding external reinforcement of the neck.
  • the locking ring maintains the snap profiles of the ring prisoners of the neck of the tank.
  • the skirt of the ring With longitudinal slots so as to divide the skirt in several legs separated by slits.
  • the purpose of the locking band is to prevent this radial deformation towards the outside of the skirt of the ring once the fastening profiles are engaged under the reinforcement of the neck.
  • the final mounting position in which the locking collar prevents the ring from disengaging from the neck, is a definitive position, in that it is no longer possible to remove the locking ring from the ring for allow removal of the ring from the neck. Therefore, to remove a dispensing assembly using such a fastening system, it must destroy the hoop, ring or collar. Indeed, the holding of the hoop is considerable so that its tensile strength can not be overcome by pulling axially on the hoop without damaging or destroying it.
  • the document FR 2,790,743 discloses a Fluid product dispenser according to the preamble of claim 1 for removing the dispensing assembly from the reservoir.
  • US 910,686 describes a bottle cap whose neck is equipped with ramps.
  • Disassembling the dispenser i.e. removing the dispensing assembly from the reservoir, may, however, be useful in some circumstances.
  • a screw fastening system is generally used. Indeed, the fastening ring and locking ring system is not very suitable, since the establishment of the hoop on the ring is final. Disassembly can also be useful to be able to recycle the distributor by separating these different constituent materials. This is theoretically possible with the fastening ring system and locking ring, but requires the destruction of the ring, the collar or collar, which is a random operation and therefore difficult to industrialize.
  • the present invention provides a fluid dispenser comprising a fluid reservoir having a neck defining an opening and an axis X, the neck projecting axially from a shoulder, a dispensing assembly comprising an organ dispenser, such as a pump or a valve, and a fastening system for fixing the dispensing member on the neck of the reservoir, this fastening system comprising a fastening ring engaged with the neck and a locking ring engaged axially around the ring to lock the ring on the neck in the final mounting position, disassembly means for axially moving the hoop relative to the ring from the final mounting position to a disassembly position in which the hoop does not does not block the collar on the neck, so that the assembly can be removed from the neck, the disassembly means comprising two elements movable mutually in rotation; one relative to the other about the X axis, characterized in that one element of the disassembly means is integral with the reservoir, while
  • the other element is integral with the hoop.
  • a rotation of the hoop relative to the tank will be transformed into an axial displacement of the hoop relative to the tank. It is advantageous to act directly on the hoop which surrounds the ring firmly in order to avoid any plastic or elastic deformation of the fastening system. By pushing the hoop axially upwards, its displacement relative to the ring is ensured.
  • the disassembly means comprise at least one ramp and a cam, the cam coming into sliding contact on the ramp during a relative rotation of the cam relative to the ramp, thereby inducing relative axial displacement.
  • the cam is formed at a lower end of the hoop.
  • the lower end of the hoop has an irregular profile defining different axial heights substantially corresponding to those of the ramp.
  • at least one ramp is formed by the reservoir around the neck projecting axially from the shoulder.
  • the hoop is surrounded by an outer skirt which hides the hoop and the disassembly means in the final mounting position.
  • This outer skirt can serve as an external covering to the distribution assembly, giving the latter an attractive aesthetic appearance.
  • this external skirt can be used to print the rotational movement necessary to move the locking band relative to the ring.
  • an intermediate space of clearance is provided between the hoop and the ring in the disassembly position and / or in the pre-assembled position to allow the radial displacement towards the outside of the ring during its disassembly and / or mounting on the neck.
  • the extension of the hoop forming the intermediate clearance space does not lock the ring on the neck, but instead serves as an axial thrust element when the hoop is rotated on the neck.
  • the non-locking extension of the hoop also makes it possible to premount the ring inside the hoop before the first assembly of the distribution assembly on the tank neck, without the ring projecting out of the hoop.
  • the fixing ring which is a fragile element since it is deformable, is protected inside the band in which it is entirely inscribed. It is well understood that this last characteristic (fretted ring) can be implemented independently of the disassembly means of the present invention.
  • the spirit of the invention is to make removable a conventional fastening system known to be unmountable. Since the tensile strength on the hoop is considerable when in the final mounting position, an advantageous solution of the present invention proposes, rather than pulling axially directly on the hoop, to drive the hoop in rotation and to use a force direction transformation system to transform a rotary motion into an axial displacement.
  • FIG. 1 and 2 We will first refer to Figures 1 and 2 to describe in detail a fluid dispenser according to a non-limiting embodiment of the present invention in final mounting position.
  • the dispenser comprises several constituent elements, namely a fluid reservoir 1, a fixing ring 2, a locking and cladding piece 3, a dispensing member 4 (not visible on the figure 1 ), a pusher 5 and a protective cover 6.
  • the dispensing member 4 may be a pump or a valve.
  • the protective cover can be optional.
  • the tank 1 can be made of any suitable material, such as glass, plastic, metal, etc.
  • the tank 1 defines in its upper part a shoulder 13 from which projects a neck 11 defining an opening 10 which communicates the interior of the tank with the outside.
  • the neck 11 is made with a reinforcement or annular bead 12 which protrudes radially outwards. This reinforcement 12 thus forms a lower flange which will serve as a hooking surface for the distribution assembly, as will be seen below.
  • the reservoir is further provided with two ramps 14 which project from the shoulder 13 and which are arranged diametrically opposite to the neck 11.
  • the ramps 14 are thus arranged around the neck 11 by connecting to it.
  • Each ramp 14 defines two slopes 141 of identical inclination and reverse orientation. It is also possible to provide only one slope 141 or two slopes but of different inclination. This is only a detail of realization.
  • the ramps 14 are made integrally with the tank 1.
  • the ramps 14 are formed by a separate piece, which is then reported around the neck 11. This piece could for example be in the form of a ring or a ring forming one or more ramp (s), the ring being engaged around the neck 11 and fixed firmly in place on the shoulder 13. We shall see below what is the function of these ramps 14.
  • the part 3, the dispensing member 4, the pusher 5 and the cover 6 form a distribution assembly D which is pre-assembled before being mounted on the tank 1.
  • the dispensing member 4, the pusher 5 and the cover 6 are not critical elements of the present invention and will therefore not be explained in detail. Indeed, these elements do not participate directly in the present invention which relates more particularly to the fastening system formed by the fixing ring 2 and part of the part 3.
  • the fixing ring 2 is of a completely conventional design for a conventional fastening system using a fastening ring locked on the neck of a tank with a locking ring.
  • the ring 2 comprises receiving means 21 for fixedly receiving the dispensing member 4 (not visible on the figure 1 but represented on the figures 3a and 4 ).
  • These receiving means 21 may for example be in the form of a latching housing in which a protruding flange of the body of the dispenser member is snapped.
  • the particular form of the receiving means 21 is not critical to the present invention.
  • the fixing ring 2 also comprises a fastening skirt 22 which is of substantially or perfectly cylindrical outer shape.
  • the fastening skirt 22 internally forms one or more attachment profile (s) 23 which project radially inwards.
  • the hooking profile 23 may for example extend continuously over the entire inner periphery of the skirt 22. Alternatively, there may be several profiles 23 distributed over the inner periphery of the skirt 22.
  • the skirt 22 may be continues so as to form a solid cylinder, or alternatively, the skirt may be formed with slots which separate the skirt in several tabs each formed with one or more attachment profile (s) 23.
  • the attachment profiles 23 can be preformed on the inner surface of the skirt.
  • the snap profiles can come from a plastic deformation of the skirt inwards under the reinforcement of the neck: this deformation can be performed using the locking ring.
  • skirt 22 it is deformable radially to allow the attachment profiles 23 to be housed under the rim formed by the protruding reinforcement 12 of the neck 11, as one can see it on the figure 1 .
  • this position which can be described as "snapping"
  • the profiles 23 pass over and beyond the reinforcement 12.
  • the skirt 22 is deforms radially outwardly during the passage of the reinforcement 12 to then retract again so that the profiles engage snapped under the flange 12.
  • This locking element is formed here by a locking ring 31 which is an integral part of the part 3.
  • the locking ring 31 is in the form of a substantially cylindrical section which is engaged around the ring 2, and more precisely around the fixing skirt 22.
  • the locking ring 31 can extend to above of the ring 2 forming an internal flap which bears on the upper end of the ring.
  • the inner surface of the ferrule 31 tightly engages with the outer surface of the ferrule 2 so as to provide an assembly capable of withstanding a predetermined tensile force. It is even possible to provide special means to increase the attachment of the hoop on the ring.
  • the hoop 31 comprises a lower end edge 33 which comes into contact with the tank 1, more particularly at its shoulder 13. It can also be observed that the edge 33 comes into contact with the ramps 14 of the tank. As a result, the edge 33 has an irregular profile since it roughly, substantially or perfectly follows the profile of the ramps 14. The profile of the edge 33 thus defines different axial heights as the edge comes into direct contact with the rail. shoulder 13 or ramps 14. At the ramps 14, it can be said that the edge 33 of the hoop 31 is indented or raised. According to the invention, the edge 33 defines at the level of the ramps 14 of the cams 34 intended to come into contact with the slips with the slopes 141 of the ramps 14.
  • the locking band 31 also defines an extension section 32 forming the lower end portion of the band 31, and thus the lower end edge 33.
  • This section extension 32 has the particularity that its inner surface is offset radially outwardly relative to the inner surface of the remainder of the hoop in contact with the ring. It can also be said that the extension section 32 has an internal surface radially offset so as to form a withdrawal or off hook relative to the remainder of the hoop. In final assembly position as shown on the figure 1 this extension section 32 is disposed below the lower end of the ring 2, and therefore does not cooperate with the ring at all. We will see below what is the utility of this offset extension section 32 in the context of the present invention.
  • the locking band 31 is made integrally with an outer casing skirt 35 on which is mounted the protective cover 6.
  • the dispensing member 4 which is visible only on the figures 3a and 4 , may be a pump or a valve comprising a body forming a flange received fixedly in the receiving means 21 of the ring 2.
  • the organ distribution comprises of course an actuating rod on which is mounted the pusher 5 which can advantageously be formed with a dispensing orifice 51. By axial support on the pusher 51, fluid product, in metered form or not, is dispensed through the dispensing orifice 51.
  • the dispensing assembly D is ready to be mounted on the tank 1.
  • the assembly D is brought axially along the axis X on the tank 1.
  • the dispensing member 4 may be provided with a dip tube 41 which is first inserted into the opening 10 of the neck 11.
  • the assembly D was mounted by applying an axial thrust force (represented by the three arrows) on the assembly D.
  • an axial thrust force represented by the three arrows
  • the fixing ring 2 is first engaged around the neck 11 of the tank, then then the locking band 31 is lowered around the hooking profiles 23 of the ring to lock them below the reinforcement 12 of the neck.
  • the locking band 31 is pre-assembled on the ring 2, but in such a way that the band does not prevent the radial outward movement of the fastening profiles 23 to allow them to pass on the reinforcement 12. This pre-assembled position is represented in a very greatly enlarged manner on the figure 4 .
  • the dispensing member 4 is in place in the receiving means 21, but that the locking ring 31 is in a non-final pre-assembled provisional position. Indeed, the inner surface of the hoop 31 is not in close contact with the outer surface of the skirt 22 at the hooking profiles 23. On the other hand, the hoop 31 extends with its lower edge 33 at the lower end of the skirt 22, or very slightly below. In reality, it is the extension section 32 which is disposed at the hooking profiles 23, but this section 32 does not come into contact with the skirt 22, since it is shifted radially outwards. It is thus created an intermediate clearance space E between the ring 22 and the extension section 32.
  • the dispensing assembly D can be mounted on the neck of a tank by first engaging the profiles 23 under the reinforcement 12 and then lowering the locking band 31 so as to bring the band 31 into tight contact with the ring 22 at the snap profiles 23 and shifting down the extension section 32. This is visible on the figure 1 . Since the tank 1 is formed with two ramps 14, it is necessary to orient the hoop 31 during assembly of the assembly on the tank to bring the cams 34 into contact with the slopes 141 of the ramps 14.
  • the invention it is possible to disassemble the dispenser by removing the dispensing assembly D from the tank 1. For this, it is sufficient to drive the locking band 31 in rotation relative to the neck 1. This can be done by driving the dressing skirt 35 or the hood 6 in rotation, as shown in FIG. figure 3c .
  • This relative rotation between the locking band 31 and the tank 1 will cause the lower edge 33 of the band 31 to move on the ramps 14 formed by the tank 1.
  • the cams 34 of the band 31 will slide on the slopes 141 of the ramps 14, which will have the effect of moving the band 31 axially upwards with respect to the ring 2.
  • the cams 34 associated with the ramps 14 thus constitute disassembly means for unlocking the ring 22 of its grip under the reinforcement 12.
  • the extension section 32 advantageously makes it possible to bring the band into contact with the ramps 14 without it being necessary to move it over a considerable height to allow both its assembly and its disassembly. It must be borne in mind that the clearance space E only exists in the pre-assembled position and in the disassembly position: in fact, in the final mounting position, this space E no longer exists since the section extension 32 is axially offset downwardly below the lower end of the skirt 22.
  • the extension section 32 has been made here in the form of a wall thickness reduction of the hoop. It is also possible to make this extension section 32 with constant wall thickness, but forming a shoulder outwardly.
  • the dispensing assembly D it is sufficient to rotate it on a relatively low rotation angle, for example of the order of 30 to 45 °.
  • the height of the ramps 14 must be determined according to the height of the hooking profiles 23 and / or the extension section 32. The lower end of the ring 2 can even come into contact with the ramps 14.
  • Preformed hooking profiles have been used to illustrate the present invention. Instead, snap profiles can be used obtained by radial deformation towards the inside of the skirt under the reinforcement of the neck with the help of the locking band.
  • a conventional fastening system known to be releasable can be removed easily and quickly without complicating the design of the fluid dispenser.

Abstract

Fluid product dispenser comprising: a fluid product container (1) having a neck (11) defining an opening (10) and an axis X, the neck (11) projecting axially from a shoulder (13); a dispensing assembly (D) comprising a dispensing member (4), such as a pump or a valve, and an attachment system (2, 31) for attaching the dispensing member (4) to the neck (11) of the container (1), this attachment system comprising an attachment ring (2) engaged with the neck (11) and a locking band (31) engaged axially around the ring (2) to lock the ring on the neck in the mounted final position; removal means (14, 34) for moving the band (31) axially relative to the ring (2) from the mounted final position into a removal position in which the band does not lock the ring on the neck, so that the assembly (D) can be removed from the neck (11), the removal means comprising two elements (14, 34) that can be rotated relative to one another about the axis X, characterized in that one element (14) of the removal means is secured to the container, whereas another element (34) is secured to the dispensing assembly (D).

Description

La présente invention concerne un distributeur de produit fluide comprenant un réservoir de produit fluide ayant un col définissant une ouverture et un axe X, le col se projetant axialement à partir d'un épaulement. Le distributeur comprend également un ensemble de distribution comprenant un organe de distribution, tel qu'une pompe ou une valve, et un système de fixation pour fixer l'organe de distribution sur le col du réservoir, ce système de fixation comprenant une bague de fixation en prise avec le col et une frette de blocage engagée axialement autour de la bague pour bloquer la bague sur le col en position finale de montage. Les domaines d'application privilégiés de la présente invention sont ceux de la parfumerie, de la cosmétique ou encore de la pharmacie.The present invention relates to a fluid dispenser comprising a fluid reservoir having a neck defining an opening and an axis X, the neck projecting axially from a shoulder. The dispenser also comprises a dispensing assembly comprising a dispensing member, such as a pump or a valve, and a fastening system for fixing the dispensing member on the neck of the reservoir, this fastening system comprising a fixing ring. engaged with the neck and a locking ring engaged axially around the ring to lock the ring on the collar in the final mounting position. The preferred fields of application of the present invention are those of perfumery, cosmetics or even pharmacy.

Dans l'art antérieur, on connaît déjà ce type de système de fixation utilisant une bague de fixation associée à une frette de blocage. En général, la bague de fixation comprend des moyens de réception, comme par exemple un logement, permettant de recevoir l'organe de distribution, qui peut par exemple comprendre une collerette saillante destinée à être engagée par encliquetage dans le logement de la bague. Outre ces moyens de réception, la bague de fixation comprend également une jupe de fixation de forme sensiblement cylindrique définissant une paroi interne pourvue d'un ou de plusieurs profil(s) d'accrochage destiné(s) à venir en prise avec le col du réservoir. Conventionnellement, le col du réservoir forme un renfort externe annulaire saillant sous lequel le ou les profil(s) d'accrochage viennent en prise en position finale de montage. La frette de blocage a pour fonction d'empêcher le désengagement des profils internes de la jupe de la bague d'en dessous du renfort externe saillant du col. En d'autres termes, la frette de blocage maintient les profils d'accrochage de la bague prisonniers du col du réservoir. Pour permettre aux profils de la bague de passer au-delà et en-dessous du renfort annulaire saillant du col, il est possible de réaliser la jupe de la bague avec des fentes longitudinales de manière à diviser la jupe en plusieurs pattes séparées par des fentes. En variante, il est possible de laisser la jupe continue et de jouer sur l'élasticité et la déformabilité de la jupe pour faire passer les profils d'accrochage par-dessus le renfort annulaire saillant du col. Dans les deux cas, il est nécessaire que la jupe de la bague puisse se déformer radialement vers l'extérieur lors du passage du renfort du col. La frette de blocage a pour fonction d'empêcher cette déformation radiale vers l'extérieur de la jupe de la bague une fois que les profils d'accrochage sont en prises en-dessous du renfort du col.In the prior art, this type of fastening system is already known using an attachment ring associated with a locking ring. In general, the fixing ring comprises receiving means, such as a housing, for receiving the dispensing member, which may for example comprise a projecting collar intended to be engaged by snapping into the housing of the ring. In addition to these receiving means, the fixing ring also comprises a substantially cylindrical fixing skirt defining an internal wall provided with one or more attachment profile (s) intended (s) to come into engagement with the collar of the tank. Conventionally, the neck of the tank forms a projecting annular external reinforcement under which the attachment profile (s) engage in the final assembly position. The function of the locking band is to prevent the disengagement of the internal profiles of the skirt of the ring from below the protruding external reinforcement of the neck. In other words, the locking ring maintains the snap profiles of the ring prisoners of the neck of the tank. To allow the profiles of the ring to pass beyond and below the annular reinforcement protruding from the neck, it is possible to achieve the skirt of the ring with longitudinal slots so as to divide the skirt in several legs separated by slits. Alternatively, it is possible to leave the continuous skirt and play on the elasticity and deformability of the skirt to pass the fastening profiles over the annular protruding reinforcement of the neck. In both cases, it is necessary that the skirt of the ring can deform radially outwardly during the passage of the neck reinforcement. The purpose of the locking band is to prevent this radial deformation towards the outside of the skirt of the ring once the fastening profiles are engaged under the reinforcement of the neck.

En général, la position finale de montage, dans laquelle la frette de blocage empêche la bague de se désengager du col, est une position définitive, en ce sens qu'il n'est plus possible de retirer la frette de blocage de la bague pour permettre le retrait de la bague à partir du col. Par conséquent, pour retirer un ensemble de distribution utilisant un tel système de fixation, il faut détruire la frette, la bague ou le col. En effet, la tenue de la frette est considérable de sorte que sa résistance à la traction ne peut être surmontée en tirant axialement sur la frette sans l'abîmer ou la détruire. Le document FR 2 790 743 décrit un distributeur de produit Fluide selon le préambule de la revendication 1 permettant le retrait de l'ensemble de distribution à partir du réservoir. Le document US 910 686 décrit un bouchon de bouteille dont le col est muni de rampes.In general, the final mounting position, in which the locking collar prevents the ring from disengaging from the neck, is a definitive position, in that it is no longer possible to remove the locking ring from the ring for allow removal of the ring from the neck. Therefore, to remove a dispensing assembly using such a fastening system, it must destroy the hoop, ring or collar. Indeed, the holding of the hoop is considerable so that its tensile strength can not be overcome by pulling axially on the hoop without damaging or destroying it. The document FR 2,790,743 discloses a Fluid product dispenser according to the preamble of claim 1 for removing the dispensing assembly from the reservoir. The document US 910,686 describes a bottle cap whose neck is equipped with ramps.

Le démontage du distributeur, c'est-à-dire le retrait de l'ensemble de distribution à partir du réservoir, peut cependant s'avérer utile dans certaines circonstances. Lorsque le réservoir est destiné à être à nouveau rempli une fois qu'il a été vidé, on utilise en général un système de fixation à visser. En effet, le système de fixation à bague et frette de blocage s'avère peu adapté, étant donné que la mise en place de la frette sur la bague est définitive. Le démontage peut également s'avérer utile pour pouvoir recycler le distributeur en séparant ces différents matériaux constitutifs. Ceci est théoriquement possible avec le système de fixation à bague et frette de blocage, mais nécessite la destruction de la bague, de la frette ou du col, ce qui est une opération aléatoire et donc difficilement industrialisable.Disassembling the dispenser, i.e. removing the dispensing assembly from the reservoir, may, however, be useful in some circumstances. When the reservoir is intended to be refilled once it has been emptied, a screw fastening system is generally used. Indeed, the fastening ring and locking ring system is not very suitable, since the establishment of the hoop on the ring is final. Disassembly can also be useful to be able to recycle the distributor by separating these different constituent materials. This is theoretically possible with the fastening ring system and locking ring, but requires the destruction of the ring, the collar or collar, which is a random operation and therefore difficult to industrialize.

La présente invention a pour but d'étendre la capacité d'utilisation du système de fixation à bague et frette de blocage aux applications où il est nécessaire de retirer l'ensemble de distribution du réservoir. Un autre but de la présente invention est de permettre ce démontage sans rajouter de pièces supplémentaires au distributeur. Une fabrication, une mise en oeuvre et un montage simple et peu coûteux restent toujours un objectif de la présente invention.The object of the present invention is to extend the capacity of use of the ring and shrink ring fastening system to applications where it is necessary to remove the dispensing assembly from the tank. Another object of the present invention is to allow this disassembly without adding additional parts to the distributor. A manufacture, an implementation and a Simple and inexpensive mounting still remain an objective of the present invention.

Pour atteindre ces buts, la présente invention propose un distributeur de produit fluide comprenant un réservoir de produit fluide ayant un col définissant une ouverture et un axe X, le col se projetant axialement à partir d'un épaulement, un ensemble de distribution comprenant un organe de distribution, tel qu'une pompe ou une valve, et un système de fixation pour fixer l'organe de distribution sur le col du réservoir, ce système de fixation comprenant une bague de fixation en prise avec le col et une frette de blocage engagée axialement autour de la bague pour bloquer la bague sur le col en position finale de montage, des moyens de démontage pour déplacer axialement la frette par rapport à la bague à partir de la position finale de montage vers une position de démontage dans laquelle la frette ne bloque pas la bague sur le col, de sorte que l'ensemble peut être retiré du col, les moyens de démontage comprenant deux éléments déplaçables mutuellement en rotation l'un par rapport à l'autre autour de l'axe X, caractérisé en ce qu'un élément des moyens de démontage est solidaire du réservoir, alors qu'un autre élément est solidaire de l'ensemble de distribution. La présente invention évite ainsi la destruction partielle ou totale de la frette, de la bague ou du col du réservoir.To achieve these objects, the present invention provides a fluid dispenser comprising a fluid reservoir having a neck defining an opening and an axis X, the neck projecting axially from a shoulder, a dispensing assembly comprising an organ dispenser, such as a pump or a valve, and a fastening system for fixing the dispensing member on the neck of the reservoir, this fastening system comprising a fastening ring engaged with the neck and a locking ring engaged axially around the ring to lock the ring on the neck in the final mounting position, disassembly means for axially moving the hoop relative to the ring from the final mounting position to a disassembly position in which the hoop does not does not block the collar on the neck, so that the assembly can be removed from the neck, the disassembly means comprising two elements movable mutually in rotation; one relative to the other about the X axis, characterized in that one element of the disassembly means is integral with the reservoir, while another element is integral with the dispensing assembly. The present invention thus avoids the partial or total destruction of the hoop, collar or collar of the reservoir.

Selon un aspect avantageux de l'invention, l'autre élément est solidaire de la frette. Ainsi, une rotation de la frette par rapport au réservoir va se transformer en un déplacement axial de la frette par rapport au réservoir. Il est avantageux d'agir directement sur la frette qui entoure fermement la bague afin d'éviter toute déformation plastique ou élastique du système de fixation. En poussant axialement la frette vers le haut, son déplacement par rapport à la bague est assuré.According to an advantageous aspect of the invention, the other element is integral with the hoop. Thus, a rotation of the hoop relative to the tank will be transformed into an axial displacement of the hoop relative to the tank. It is advantageous to act directly on the hoop which surrounds the ring firmly in order to avoid any plastic or elastic deformation of the fastening system. By pushing the hoop axially upwards, its displacement relative to the ring is ensured.

Selon une forme de réalisation pratique, les moyens de démontage comprennent au moins une rampe et une came, la came venant en contact glissant sur la rampe lors d'une rotation relative de la came par rapport à la rampe, induisant ainsi un déplacement axial relatif. Avantageusement, la came est formée au niveau d'une extrémité inférieure de la frette. Avantageusement, l'extrémité inférieure de la frette présente un profil irrégulier définissant des hauteurs axiales différentes correspondant sensiblement à celles de la rampe. Avantageusement, au moins une rampe est formée par le réservoir autour du col en se projetant axialement à partir de l'épaulement. Ainsi, c'est la rotation de la frette (et de tout l'ensemble de distribution) par rapport au réservoir qui permet de générer un déplacement axial de la frette (sans le reste de l'élément de l'ensemble de distribution) grâce à un système de transformation de force formé par les moyens de démontage, qui peuvent se présenter sous la forme d'une combinaison d'une rampe formée par le réservoir et d'une came formée par la frette. Concrètement, il suffit d'entraîner l'ensemble de distribution en rotation par rapport au réservoir pour générer simultanément le déplacement axial de la frette par rapport à la bague, ce qui a pour effet de libérer sa prise sur le col. L'ensemble de distribution peut alors être retiré du col.According to a practical embodiment, the disassembly means comprise at least one ramp and a cam, the cam coming into sliding contact on the ramp during a relative rotation of the cam relative to the ramp, thereby inducing relative axial displacement. . Advantageously, the cam is formed at a lower end of the hoop. Advantageously, the lower end of the hoop has an irregular profile defining different axial heights substantially corresponding to those of the ramp. Advantageously, at least one ramp is formed by the reservoir around the neck projecting axially from the shoulder. Thus, it is the rotation of the hoop (and of the entire distribution assembly) with respect to the reservoir which makes it possible to generate an axial displacement of the hoop (without the rest of the element of the distribution assembly) thanks to a force transformation system formed by the disassembly means, which may be in the form of a combination of a ramp formed by the reservoir and a cam formed by the hoop. Concretely, it is sufficient to drive the distribution assembly in rotation relative to the reservoir to simultaneously generate the axial displacement of the hoop relative to the ring, which has the effect of releasing its grip on the neck. The dispensing assembly can then be removed from the neck.

Selon un autre aspect intéressant de l'invention, la frette est entourée par une jupe externe qui masque la frette et les moyens de démontage en position finale de montage. Cette jupe externe peut servir d'habillage externe à l'ensemble de distribution, conférant à ce dernier un aspect esthétique attrayant. Toutefois, on peut se servir de cette jupe externe pour imprimer le mouvement de rotation nécessaire pour déplacer la frette de blocage par rapport à la bague.According to another interesting aspect of the invention, the hoop is surrounded by an outer skirt which hides the hoop and the disassembly means in the final mounting position. This outer skirt can serve as an external covering to the distribution assembly, giving the latter an attractive aesthetic appearance. However, this external skirt can be used to print the rotational movement necessary to move the locking band relative to the ring.

Selon une autre caractéristique intéressante de l'invention, un espace intermédiaire de débattement est prévu entre la frette et la bague en position de démontage et/ou en position prémontée pour permettre le débattement radial vers l'extérieur de la bague lors de son démontage et/ou montage sur le col. Cette caractéristique permet d'allonger ou d'étendre la frette, ce qui lui permet d'atteindre rapidement l'épaulement du réservoir, où est avantageusement formée la rampe, sans réaliser une fonction de blocage sur toute la hauteur de la frette. Ainsi, il suffit de déplacer axialement la frette sur une hauteur très limitée pour débloquer la bague du col. Cela évite de déplacer l'extrémité inférieure de la frette par rapport à la bague jusqu'au-dessus des profils d'accrochage interne. L'extension de la frette formant l'espace intermédiaire de débattement ne permet pas de bloquer la bague sur le col, mais sert en revanche d'élément de transmission de poussée axiale lorsque la frette est entraînée en rotation sur le col. L'extension non bloquante de la frette permet également de prémonter la bague à l'intérieur de la frette avant le premier montage de l'ensemble de distribution sur le col de réservoir, sans que la bague ne fasse saillie en dehors de la frette. Ainsi, la bague de fixation, qui est un élément fragile puisque déformable, est protégée à l'intérieur de la frette dans laquelle elle est entièrement inscrite. On comprend bien que cette dernière caractéristique (bague protégée dans frette) peut être mise en oeuvre indépendamment des moyens de démontage de la présente invention.According to another advantageous characteristic of the invention, an intermediate space of clearance is provided between the hoop and the ring in the disassembly position and / or in the pre-assembled position to allow the radial displacement towards the outside of the ring during its disassembly and / or mounting on the neck. This characteristic makes it possible to lengthen or extend the hoop, which enables it to reach quickly the shoulder of the tank, where is advantageously formed the ramp, without performing a locking function over the entire height of the hoop. Thus, simply move axially the hoop on a very limited height to unlock the neck ring. This avoids moving the lower end of the hoop relative to the ring to above internal snap profiles. The extension of the hoop forming the intermediate clearance space does not lock the ring on the neck, but instead serves as an axial thrust element when the hoop is rotated on the neck. The non-locking extension of the hoop also makes it possible to premount the ring inside the hoop before the first assembly of the distribution assembly on the tank neck, without the ring projecting out of the hoop. Thus, the fixing ring, which is a fragile element since it is deformable, is protected inside the band in which it is entirely inscribed. It is well understood that this last characteristic (fretted ring) can be implemented independently of the disassembly means of the present invention.

L'esprit de l'invention est de rendre démontable un système de fixation conventionnel connu pour être indémontable. Etant donné que la résistance à la traction sur la frette est considérable lorsqu'en position finale de montage, une solution avantageuse de la présente invention propose, plutôt que de tirer directement axialement sur la frette, d'entraîner la frette en rotation et d'utiliser un système de transformation de direction de force pour transformer un mouvement rotatif en un déplacement axial.The spirit of the invention is to make removable a conventional fastening system known to be unmountable. Since the tensile strength on the hoop is considerable when in the final mounting position, an advantageous solution of the present invention proposes, rather than pulling axially directly on the hoop, to drive the hoop in rotation and to use a force direction transformation system to transform a rotary motion into an axial displacement.

L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemple non limitatif un mode de réalisation de l'invention. Sur les figures :

  • La figure 1 est une vue en perspective partiellement découpée d'un distributeur de produit fluide selon l'invention en position finale de montage,
  • La figure 2 est une vue en perspective de la partie supérieure d'un réservoir de produit fluide selon la présente invention,
  • Les figures 3a, 3b et 3c sont des vues schématiques permettant d'expliquer les opérations de montage et de démontage d'un distributeur de produit fluide selon l'invention, et
  • La figure 4 est une vue en section transversale très fortement agrandie d'une partie d'un distributeur de produit fluide selon l'invention en position de démontage et/ou prémontée.
The invention will now be more fully described with reference to the accompanying drawings giving by way of non-limiting example an embodiment of the invention. In the figures:
  • The figure 1 is a partially cut-away perspective view of a fluid dispenser according to the invention in final assembly position,
  • The figure 2 is a perspective view of the upper part of a fluid reservoir according to the present invention,
  • The Figures 3a, 3b and 3c are schematic views for explaining the assembly and disassembly operations of a fluid dispenser according to the invention, and
  • The figure 4 is a very greatly enlarged cross-sectional view of a portion of a fluid dispenser according to the invention in disassembly and / or pre-assembled position.

On se référera tout d'abord aux figures 1 et 2 pour décrire en détail un distributeur de produit fluide selon un mode de réalisation non limitatif de la présente invention en position finale de montage. Le distributeur comprend plusieurs éléments constitutifs, à savoir un réservoir de produit fluide 1, une bague de fixation 2, une pièce de blocage et d'habillage 3, un organe de distribution 4 (non visible sur la figure 1), un poussoir 5 et un capot de protection 6. L'organe de distribution 4 peut être une pompe ou une valve. Le capot de protection peut être optionnel.We will first refer to Figures 1 and 2 to describe in detail a fluid dispenser according to a non-limiting embodiment of the present invention in final mounting position. The dispenser comprises several constituent elements, namely a fluid reservoir 1, a fixing ring 2, a locking and cladding piece 3, a dispensing member 4 (not visible on the figure 1 ), a pusher 5 and a protective cover 6. The dispensing member 4 may be a pump or a valve. The protective cover can be optional.

Le réservoir 1 peut être réalisé en n'importe quel matériau approprié, comme par exemple du verre, de la matière plastique, du métal, etc. Le réservoir 1 définit dans sa partie supérieure un épaulement 13 à partir duquel se projette un col 11 définissant une ouverture 10 qui fait communiquer l'intérieur du réservoir avec l'extérieur. Le col 11 est réalisé avec un renfort ou bourrelet annulaire 12 qui fait saillie radialement vers l'extérieur. Ce renfort 12 forme ainsi un rebord inférieur qui va servir de surface d'accrochage pour l'ensemble de distribution, comme on le verra ci-après. Il s'agit là d'une conception tout à fait classique pour un réservoir de produit fluide dans les domaines de la cosmétique, de la parfumerie ou encore de la pharmacie.The tank 1 can be made of any suitable material, such as glass, plastic, metal, etc. The tank 1 defines in its upper part a shoulder 13 from which projects a neck 11 defining an opening 10 which communicates the interior of the tank with the outside. The neck 11 is made with a reinforcement or annular bead 12 which protrudes radially outwards. This reinforcement 12 thus forms a lower flange which will serve as a hooking surface for the distribution assembly, as will be seen below. This is a quite classic design for a fluid reservoir in the fields of cosmetics, perfumery or pharmacy.

Selon l'invention, le réservoir est en outre pourvu de deux rampes 14 qui font saillie à partir de l'épaulement 13 et qui sont disposées de manière diamétralement opposée par rapport au col 11. Dans le mode de réalisation représenté sur les figures, il y a deux rampes 14, mais on aurait pu prévoir une seule rampe, ou au contraire plus de deux rampes. Les rampes 14 sont ainsi disposées autour du col 11 en se raccordant à celui-ci. Chaque rampe 14 définit deux pentes 141 d'inclinaison identique et d'orientation inverse. Il est également possible de ne prévoir qu'une seule pente 141 ou encore deux pentes mais d'inclinaison différente. Il ne s'agit là que de détail de réalisation. Bien entendu, les rampes 14 sont réalisées de manière monobloc avec le réservoir 1. En variante, il est toutefois possible que les rampes 14 soient formées par une pièce séparée, qui est ensuite rapportée autour du col 11. Cette pièce pourrait par exemple se présenter sous la forme d'un anneau ou d'une rondelle formant une ou plusieurs rampe(s), l'anneau étant engagé autour du col 11 et fixé solidement en place sur l'épaulement 13. Nous verrons ci-après quelle est la fonction de ces rampes 14.According to the invention, the reservoir is further provided with two ramps 14 which project from the shoulder 13 and which are arranged diametrically opposite to the neck 11. In the embodiment shown in the figures, it is There are two ramps 14, but one could have provided a single ramp, or on the contrary more than two ramps. The ramps 14 are thus arranged around the neck 11 by connecting to it. Each ramp 14 defines two slopes 141 of identical inclination and reverse orientation. It is also possible to provide only one slope 141 or two slopes but of different inclination. This is only a detail of realization. Of course, the ramps 14 are made integrally with the tank 1. Alternatively, it is possible that the ramps 14 are formed by a separate piece, which is then reported around the neck 11. This piece could for example be in the form of a ring or a ring forming one or more ramp (s), the ring being engaged around the neck 11 and fixed firmly in place on the shoulder 13. We shall see below what is the function of these ramps 14.

La pièce 3, l'organe de distribution 4, le poussoir 5 et le capot 6 forment un ensemble de distribution D qui est pré-assemblé avant son montage sur le réservoir 1. L'organe de distribution 4, le poussoir 5 et le capot 6 ne sont pas des éléments critiques pour la présente invention et ne seront donc pas expliqués en détail. En effet, ces éléments ne participent pas directement à la présente invention qui concerne plus particulièrement le système de fixation formé par la bague de fixation 2 et une partie de la pièce 3.The part 3, the dispensing member 4, the pusher 5 and the cover 6 form a distribution assembly D which is pre-assembled before being mounted on the tank 1. The dispensing member 4, the pusher 5 and the cover 6 are not critical elements of the present invention and will therefore not be explained in detail. Indeed, these elements do not participate directly in the present invention which relates more particularly to the fastening system formed by the fixing ring 2 and part of the part 3.

La bague de fixation 2 est d'une conception tout à fait conventionnelle pour un système de fixation classique mettant en oeuvre une bague de fixation bloquée sur le col d'un réservoir à l'aide d'une frette de blocage. Ainsi, la bague 2 comprend des moyens de réception 21 pour recevoir fixement l'organe de distribution 4 (non visible sur la figure 1, mais représenté sur les figures 3a et 4). Ces moyens de réception 21 peuvent par exemple se présenter sous la forme d'un logement d'encliquetage dans lequel une collerette saillante du corps de l'organe de distribution est encliquetée. La forme particulière des moyens de réception 21 n'est pas critique pour la présente invention. La bague de fixation 2 comprend également une jupe de fixation 22 qui est de forme externe sensiblement ou parfaitement cylindrique. La jupe de fixation 22 forme intérieurement un ou plusieurs profil(s) d'accrochage 23 qui font saillie radialement vers l'intérieur. Le profil d'accrochage 23 peut par exemple s'étendre de manière continue sur toute la périphérie interne de la jupe 22. En variante, il peut y avoir plusieurs profils 23 répartis sur la périphérie interne de la jupe 22. La jupe 22 peut être continue de manière à former un cylindre plein, ou en variante, la jupe peut être formée avec des fentes qui séparent la jupe en plusieurs pattes formées chacune avec un ou plusieurs profil(s) d'accrochage 23. Les profils d'accrochage 23 peuvent être préformés sur la surface interne de la jupe. En variante, les profils d'accrochage peuvent provenir d'une déformation plastique de la jupe vers l'intérieur sous le renfort du col : cette déformation peut être réalisée à l'aide de la frette de blocage. Quelle que soit la configuration de la jupe 22 (et de ses profils d'accrochage 23), elle est déformable radialement pour permettre aux profils d'accrochage 23 de se loger sous le rebord formé par le renfort saillant 12 du col 11, comme on peut le voir sur la figure 1. Pour atteindre cette position, qui peut être qualifiée d'« encliquetage », il faut bien entendu que les profils 23 passent par-dessus et au-delà du renfort 12. Dans le cas de profils internes préformés, il faut que la jupe 22 se déforme radialement vers l'extérieur lors du passage du renfort 12 pour pouvoir ensuite se rétracter à nouveau pour que les profils viennent en prise encliquetée sous le rebord 12. Cependant, étant donné la déformabilité de la jupe 12, sa fixation solide sous le renfort 12 ne peut pas être assurée uniquement par la bague ; il faut en outre un élément de blocage qui empêche la jupe de la bague de se déformer à nouveau radialement vers l'extérieur pour désengager ses profils d'accrochage 23 d'en dessous du renfort 12. Dans le cas de profils obtenus par déformation plastique, la jupe peut être engagée autour du col sans déformation. En revanche, la frette est abaissée sur la jupe et la déforme radialement vers l'intérieur sous le renfort du col, formant ainsi des profils d'accrochage.The fixing ring 2 is of a completely conventional design for a conventional fastening system using a fastening ring locked on the neck of a tank with a locking ring. Thus, the ring 2 comprises receiving means 21 for fixedly receiving the dispensing member 4 (not visible on the figure 1 but represented on the figures 3a and 4 ). These receiving means 21 may for example be in the form of a latching housing in which a protruding flange of the body of the dispenser member is snapped. The particular form of the receiving means 21 is not critical to the present invention. The fixing ring 2 also comprises a fastening skirt 22 which is of substantially or perfectly cylindrical outer shape. The fastening skirt 22 internally forms one or more attachment profile (s) 23 which project radially inwards. The hooking profile 23 may for example extend continuously over the entire inner periphery of the skirt 22. Alternatively, there may be several profiles 23 distributed over the inner periphery of the skirt 22. The skirt 22 may be continues so as to form a solid cylinder, or alternatively, the skirt may be formed with slots which separate the skirt in several tabs each formed with one or more attachment profile (s) 23. The attachment profiles 23 can be preformed on the inner surface of the skirt. Alternatively, the snap profiles can come from a plastic deformation of the skirt inwards under the reinforcement of the neck: this deformation can be performed using the locking ring. Whatever the configuration of the skirt 22 (and its attachment profiles 23), it is deformable radially to allow the attachment profiles 23 to be housed under the rim formed by the protruding reinforcement 12 of the neck 11, as one can see it on the figure 1 . To reach this position, which can be described as "snapping", it is of course necessary that the profiles 23 pass over and beyond the reinforcement 12. In the case of preformed internal profiles, it is necessary that the skirt 22 is deforms radially outwardly during the passage of the reinforcement 12 to then retract again so that the profiles engage snapped under the flange 12. However, given the deformability of the skirt 12, its solid attachment under the reinforcement 12 can not be provided solely by the ring; it also requires a locking element which prevents the skirt of the ring from deforming again radially outwardly to disengage its attachment profiles 23 from below the reinforcement 12. In the case of profiles obtained by plastic deformation , the skirt can be engaged around the neck without deformation. On the other hand, the hoop is lowered on the skirt and deforms it radially inwards under the reinforcement of the neck, thus forming fastening profiles.

Cet élément de blocage est formé ici par une frette de blocage 31 qui fait partie intégrante de la pièce 3. Il ne s'agit là que d'une forme de réalisation particulière non limitative : en effet, la frette de blocage 31 peut très bien être réalisée de manière séparée et individuelle. La frette de blocage 31 se présente sous la forme d'un tronçon sensiblement cylindrique qui est engagé autour de la bague 2, et plus précisément autour de la jupe de fixation 22. La frette de blocage 31 peut s'étendre jusqu'au-dessus de la bague 2 en formant un rabat interne qui vient en appui sur l'extrémité supérieure de la bague. La surface interne de la frette 31 vient en prise serrante avec la surface externe de la bague 2 de manière à assurer un assemblage pouvant résister à une force de traction prédéterminée. Il est même possible de prévoir des moyens particuliers permettant d'augmenter l'accrochage de la frette sur la bague. En se référant à la figure 1, on peut voir que la frette 31 comprend un bord d'extrémité inférieur 33 qui vient en contact avec le réservoir 1, plus particulièrement au niveau de son épaulement 13. On peut également observer que le bord 33 vient en contact avec les rampes 14 du réservoir. De ce fait, le bord 33 présente un profil irrégulier étant donné qu'il suit grossièrement, sensiblement ou parfaitement le profil des rampes 14. Le profil du bord 33 définit ainsi des hauteurs axiales différentes à mesure que le bord vient directement en contact de l'épaulement 13 ou des rampes 14. Au niveau des rampes 14, on peut dire que le bord 33 de la frette 31 est échancré ou rehaussé. Selon l'invention, le bord 33 définit au niveau des rampes 14 des cames 34 destinées à venir en contact des glissements avec les pentes 141 des rampes 14. On verra ci-après quel est l'effet d'une rotation de la frette 31 par rapport au réservoir 1. D'autre part, la frette de blocage 31 définit également une section d'extension 32 formant la partie d'extrémité inférieure de la frette 31, et de ce fait le bord d'extrémité inférieur 33. Cette section d'extension 32 présente la particularité que sa surface interne est décalée radialement vers l'extérieur par rapport à la surface interne du restant de la frette en contact de la bague. On peut également dire que la section d'extension 32 présente une surface interne décalée radialement de manière à former un retrait ou décroché par rapport au restant de la frette. En position finale de montage comme représentée sur la figure 1, cette section d'extension 32 est disposée en dessous de l'extrémité inférieure de la bague 2, et ne coopère de ce fait pas du tout avec la bague. Nous verrons ci-après quelle est l'utilité de cette section d'extension décalée 32 dans le cadre de la présente invention.This locking element is formed here by a locking ring 31 which is an integral part of the part 3. This is only a particular non-limiting embodiment: indeed, the locking ring 31 can very well be carried out separately and individually. The locking ring 31 is in the form of a substantially cylindrical section which is engaged around the ring 2, and more precisely around the fixing skirt 22. The locking ring 31 can extend to above of the ring 2 forming an internal flap which bears on the upper end of the ring. The inner surface of the ferrule 31 tightly engages with the outer surface of the ferrule 2 so as to provide an assembly capable of withstanding a predetermined tensile force. It is even possible to provide special means to increase the attachment of the hoop on the ring. Referring to the figure 1 , we can see that the hoop 31 comprises a lower end edge 33 which comes into contact with the tank 1, more particularly at its shoulder 13. It can also be observed that the edge 33 comes into contact with the ramps 14 of the tank. As a result, the edge 33 has an irregular profile since it roughly, substantially or perfectly follows the profile of the ramps 14. The profile of the edge 33 thus defines different axial heights as the edge comes into direct contact with the rail. shoulder 13 or ramps 14. At the ramps 14, it can be said that the edge 33 of the hoop 31 is indented or raised. According to the invention, the edge 33 defines at the level of the ramps 14 of the cams 34 intended to come into contact with the slips with the slopes 141 of the ramps 14. It will be seen hereafter what is the effect of a rotation of the ring 31 relative to the reservoir 1. On the other hand, the locking band 31 also defines an extension section 32 forming the lower end portion of the band 31, and thus the lower end edge 33. This section extension 32 has the particularity that its inner surface is offset radially outwardly relative to the inner surface of the remainder of the hoop in contact with the ring. It can also be said that the extension section 32 has an internal surface radially offset so as to form a withdrawal or off hook relative to the remainder of the hoop. In final assembly position as shown on the figure 1 this extension section 32 is disposed below the lower end of the ring 2, and therefore does not cooperate with the ring at all. We will see below what is the utility of this offset extension section 32 in the context of the present invention.

Quant aux autres éléments constitutifs de l'ensemble de distribution D, il est à noter que la frette de blocage 31 est réalisée de manière monobloc avec une jupe externe d'habillage 35 sur laquelle est monté le capot de protection 6. Comme susmentionné, il est également possible de réaliser la jupe d'habillage 35 de manière séparée de la frette d'habillage 31. L'organe de distribution 4, qui n'est visible que sur les figures 3a et 4, peut être une pompe ou une valve comprenant un corps formant une collerette reçue de manière fixe dans les moyens de réception 21 de la bague 2. L'organe de distribution comprend bien entendu une tige d'actionnement sur laquelle est monté le poussoir 5 qui peut avantageusement être formé avec un orifice de distribution 51. Par appui axial sur le poussoir 51, du produit fluide, sous forme dosée ou non, est distribué à travers l'orifice de distribution 51.As for the other components of the dispensing assembly D, it should be noted that the locking band 31 is made integrally with an outer casing skirt 35 on which is mounted the protective cover 6. As mentioned above, It is also possible to make the trim skirt 35 separately from the trim band 31. The dispensing member 4, which is visible only on the figures 3a and 4 , may be a pump or a valve comprising a body forming a flange received fixedly in the receiving means 21 of the ring 2. The organ distribution comprises of course an actuating rod on which is mounted the pusher 5 which can advantageously be formed with a dispensing orifice 51. By axial support on the pusher 51, fluid product, in metered form or not, is dispensed through the dispensing orifice 51.

On se référera maintenant aux figures 3a, 3b et 3c pour expliquer de manière détaillée une opération de montage et une opération de démontage de l'ensemble de distribution D.We will now refer to Figures 3a, 3b and 3c to explain in detail a mounting operation and a disassembly operation of the distribution assembly D.

Sur la figure 3a, l'ensemble de distribution D est prêt à être monté sur le réservoir 1. L'ensemble D est amené de manière axiale selon l'axe X sur le réservoir 1. L'organe de distribution 4 peut être pourvu d'un tube plongeur 41 qui est en premier inséré dans l'ouverture 10 du col 11.On the figure 3a , the dispensing assembly D is ready to be mounted on the tank 1. The assembly D is brought axially along the axis X on the tank 1. The dispensing member 4 may be provided with a dip tube 41 which is first inserted into the opening 10 of the neck 11.

Sur la figure 3b, l'ensemble D a été monté en appliquant une force de poussée axiale (représentée par les trois flèches) sur l'ensemble D. De manière classique, la bague de fixation 2 est d'abord engagée autour du col 11 du réservoir, puis ensuite la frette de blocage 31 est abaissée autour des profils d'accrochage 23 de la bague pour les bloquer en dessous du renfort 12 du col. Pour ce faire, la frette de blocage 31 est prémontée sur la bague 2, mais de manière à ce que la frette n'empêche pas le débattement radial vers l'extérieur des profils d'accrochage 23 pour permettre leur passage sur le renfort 12. Cette position prémontée est représentée de manière très fortement agrandie sur la figure 4. On peut voir que l'organe de distribution 4 est en place dans les moyens de réception 21, mais que la frette de blocage 31 est dans une position provisoire pré-assemblée non finale. En effet, la surface interne de la frette 31 n'est pas en contact serrant avec la surface externe de la jupe 22 au niveau des profils d'accrochage 23. En revanche, la frette 31 s'étend avec son bord inférieur 33 jusqu'au niveau de l'extrémité inférieure de la jupe 22, ou très légèrement en dessous. En réalité, c'est la section d'extension 32 qui est disposée au niveau des profils d'accrochage 23, mais cette section 32 ne vient pas en contact avec la jupe 22, puisqu'elle est décalée radialement vers l'extérieur. Il est ainsi créé un espace intermédiaire de débattement E entre la bague 22 et la section d'extension 32. Cet espace de débattement E permet à la jupe 22 de se déformer radialement vers l'extérieur lors du passage des profils 23 sur le renfort 12. Ainsi, dans cette position prémontée représentée sur la figure 4, l'ensemble de distribution D peut être monté sur le col d'un réservoir en engageant d'abord les profils 23 sous le renfort 12 puis en abaissant la frette de blocage 31 de manière à amener la frette 31 en contact serrant avec la bague 22 au niveau des profils d'accrochage 23 et en décalant vers le bas la section d'extension 32. Ceci est visible sur la figure 1. Etant donné que le réservoir 1 est formé avec deux rampes 14, il est nécessaire d'orienter la frette 31 lors du montage de l'ensemble sur le réservoir pour amener les cames 34 en contact avec les pentes 141 des rampes 14. Il n'est cependant pas nécessaire que l'orientation soit d'une précision extrême, la frette 31 se positionnant d'elle-même de manière parfaite dès lors que les échancrures du bord 33 sont grossièrement alignées avec les rampes 14. En position finale de montage, les rampes 14 et la frette de blocage 31 ne sont même pas visibles étant donné qu'elles sont masquées par la jupe d'habillage externe 35. L'utilisateur peut alors se servir du distributeur de manière classique en retirant tout d'abord le capot 6 et en appuyant sur le poussoir 5.On the figure 3b , the assembly D was mounted by applying an axial thrust force (represented by the three arrows) on the assembly D. In a conventional manner, the fixing ring 2 is first engaged around the neck 11 of the tank, then then the locking band 31 is lowered around the hooking profiles 23 of the ring to lock them below the reinforcement 12 of the neck. To do this, the locking band 31 is pre-assembled on the ring 2, but in such a way that the band does not prevent the radial outward movement of the fastening profiles 23 to allow them to pass on the reinforcement 12. This pre-assembled position is represented in a very greatly enlarged manner on the figure 4 . It can be seen that the dispensing member 4 is in place in the receiving means 21, but that the locking ring 31 is in a non-final pre-assembled provisional position. Indeed, the inner surface of the hoop 31 is not in close contact with the outer surface of the skirt 22 at the hooking profiles 23. On the other hand, the hoop 31 extends with its lower edge 33 at the lower end of the skirt 22, or very slightly below. In reality, it is the extension section 32 which is disposed at the hooking profiles 23, but this section 32 does not come into contact with the skirt 22, since it is shifted radially outwards. It is thus created an intermediate clearance space E between the ring 22 and the extension section 32. This clearance space E allows the skirt 22 to deform radially outwardly during the passage of the profiles 23 on the reinforcement 12. Thus, in this pre-assembled position shown on the figure 4 , the dispensing assembly D can be mounted on the neck of a tank by first engaging the profiles 23 under the reinforcement 12 and then lowering the locking band 31 so as to bring the band 31 into tight contact with the ring 22 at the snap profiles 23 and shifting down the extension section 32. This is visible on the figure 1 . Since the tank 1 is formed with two ramps 14, it is necessary to orient the hoop 31 during assembly of the assembly on the tank to bring the cams 34 into contact with the slopes 141 of the ramps 14. It does not However, it is not necessary for the orientation to be of extreme precision, the band 31 positioning itself in a perfect manner since the notches of the edge 33 are roughly aligned with the ramps 14. In the final mounting position, the ramps 14 and the locking band 31 are not even visible because they are hidden by the external trim skirt 35. The user can then use the dispenser in a conventional manner by first removing the hood 6 and pressing the button 5.

Grâce à l'invention, il est possible de démonter le distributeur en retirant l'ensemble de distribution D du réservoir 1. Pour cela, il suffit d'entraîner la frette de blocage 31 en rotation par rapport au col 1. Ceci peut être effectué en entraînant la jupe d'habillage 35 ou le capot 6 en rotation, comme représenté sur la figure 3c. Cette rotation relative entre la frette de blocage 31 et le réservoir 1, va amener le bord inférieur 33 de la frette 31 à se déplacer sur les rampes 14 formées par le réservoir 1. Plus précisément, les cames 34 de la frette 31 vont glisser sur les pentes 141 des rampes 14, ce qui aura pour effet de déplacer la frette 31 axialement vers le haut par rapport à la bague 2. Les cames 34 associées aux rampes 14 constituent ainsi des moyens de démontage permettant de débloquer la bague 22 de sa prise sous le renfort 12. Il suffit pour cela de déplacer la frette 31 sur une distance axiale permettant à nouveau à la bague 22 de se déformer radialement vers l'extérieur pour permettre le passage des profils d'accrochage 23 au-dessus du renfort 12. L'ensemble de distribution est alors dans une position de démontage qui peut être identique à la position provisoire prémontée représentée sur la figure 4. La frette 31 a été déplacée de manière à amener la section d'extension 32 au niveau des profils d'accrochage 23. L'espace de débattement E est à nouveau formé entre la jupe 22 et la frette 31. Grâce à cette section d'extension 32, il n'est pas nécessaire de déplacer le bord inférieur 33 de la frette jusqu'au-dessus des profils d'accrochage 23. Au contraire, le bord inférieur 33 de la frette peut simplement être ramené au niveau du bord inférieur de la bague. Sans la section d'extension 32, il faudrait prévoir des rampes 14 avec un profil particulier permettant de remonter la frette 31 jusqu'au-dessus des profils d'accrochage 23. Ceci n'est pas pratique, mais cependant pas non plus irréalisable dans le cadre de la présente invention. La section d'extension 32 permet de manière avantageuse d'amener la frette en contact avec les rampes 14 sans qu'il soit nécessaire de la déplacer sur une hauteur considérable pour permettre à la fois son montage et son démontage. Il faut bien garder à l'esprit que l'espace de débattement E n'existe que dans la position prémontée et dans la position de démontage : en effet, dans la position finale de montage, cet espace E n'existe plus puisque la section d'extension 32 est décalée axialement vers le bas en dessous de l'extrémité inférieure de la jupe 22. La section d'extension 32 a été ici réalisée sous la forme d'une réduction d'épaisseur de paroi de la frette. Il est également possible de réaliser cette section d'extension 32 à épaisseur de paroi constante, mais en formant un épaulement vers l'extérieur.Thanks to the invention, it is possible to disassemble the dispenser by removing the dispensing assembly D from the tank 1. For this, it is sufficient to drive the locking band 31 in rotation relative to the neck 1. This can be done by driving the dressing skirt 35 or the hood 6 in rotation, as shown in FIG. figure 3c . This relative rotation between the locking band 31 and the tank 1, will cause the lower edge 33 of the band 31 to move on the ramps 14 formed by the tank 1. More specifically, the cams 34 of the band 31 will slide on the slopes 141 of the ramps 14, which will have the effect of moving the band 31 axially upwards with respect to the ring 2. The cams 34 associated with the ramps 14 thus constitute disassembly means for unlocking the ring 22 of its grip under the reinforcement 12. It suffices to move the hoop 31 over an axial distance allowing again the ring 22 to deform radially outwardly to allow the passage of the attachment profiles 23 above the reinforcement 12. The distribution set is then in a disassembly position which may be identical to the pre-assembled provisional position shown on the figure 4 . The hoop 31 has been moved so as to bring the extension section 32 at the hooking profiles 23. The clearance space E is again formed between the skirt 22 and the hoop 31. With this section of FIG. extension 32, it is not necessary to move the lower edge 33 of the hoop to above the hooking profiles 23. On the contrary, the lower edge 33 of the hoop can simply be brought to the level of the lower edge of the ring. Without the extension section 32, it would be necessary to provide ramps 14 with a particular profile to raise the hoop 31 to above the attachment profiles 23. This is not practical, but however not impossible either in the scope of the present invention. The extension section 32 advantageously makes it possible to bring the band into contact with the ramps 14 without it being necessary to move it over a considerable height to allow both its assembly and its disassembly. It must be borne in mind that the clearance space E only exists in the pre-assembled position and in the disassembly position: in fact, in the final mounting position, this space E no longer exists since the section extension 32 is axially offset downwardly below the lower end of the skirt 22. The extension section 32 has been made here in the form of a wall thickness reduction of the hoop. It is also possible to make this extension section 32 with constant wall thickness, but forming a shoulder outwardly.

Ainsi, pour permettre le démontage de l'ensemble de distribution D, il suffit de le faire tourner sur un angle de rotation relativement faible, par exemple de l'ordre de 30 à 45°. La hauteur des rampes 14 doit être déterminée en fonction de la hauteur des profils d'accrochage 23 et/ou de la section d'extension 32. L'extrémité inférieure de la bague 2 peut même venir en contact sur les rampes 14.Thus, to allow disassembly of the dispensing assembly D, it is sufficient to rotate it on a relatively low rotation angle, for example of the order of 30 to 45 °. The height of the ramps 14 must be determined according to the height of the hooking profiles 23 and / or the extension section 32. The lower end of the ring 2 can even come into contact with the ramps 14.

Des profils d'accrochage préformés ont été utilisés pour illustrer la présente invention. A la place, on peut utiliser des profils d'accrochage obtenus par déformation radiale vers l'intérieur de la jupe sous le renfort du col à l'aide de la frette de blocage.Preformed hooking profiles have been used to illustrate the present invention. Instead, snap profiles can be used obtained by radial deformation towards the inside of the skirt under the reinforcement of the neck with the help of the locking band.

Grâce à l'invention, un système de fixation classique connu pour être indémontable peut être démonté facilement et rapidement sans pour autant compliquer la conception du distributeur de produit fluide.Thanks to the invention, a conventional fastening system known to be releasable can be removed easily and quickly without complicating the design of the fluid dispenser.

Claims (9)

  1. A fluid dispenser comprising:
    a fluid reservoir (1) having a neck (11) defining an opening (10) and an axis X, the neck (11) projecting axially from a shoulder (13); and
    a dispenser unit (D) comprising a dispenser member (4), such as a pump or a valve, and a fastener system (2, 31) for fastening the dispenser member (4) on the neck (11) of the reservoir (1), the fastener system comprising a fastener ring (2) that is engaged with the neck (11) and a blocking hoop (31) that is engaged axially around the ring (2) for blocking the ring on the neck in the final assembled position;
    disassembly means (14, 34) for axially moving the hoop (31) relative to the ring (2), from the final assembled position to a disassembled position in which the hoop does not block the ring on the neck, such that the unit (D) can be removed from the neck (11), the disassembly means comprising two elements (14, 34) capable of turning mutually relative to each other about the axis X,
    the dispenser being characterized in that one element (14) of the disassembly means is secured to the reservoir, while an other element (34) is secured to the dispenser unit (D).
  2. A dispenser according to claim 1, in which the other element (34) is integral with the hoop.
  3. A dispenser according to any preceding claim, in which the disassembly means comprise at least one ramp (14) and a cam (34), the cam coming into sliding contact on the ramp during turning of the cam relative to the ramp, thereby inducing relative axial movement.
  4. A dispenser according to claim 3, in which the cam (34) is formed at a bottom end (33) of the hoop (31).
  5. A dispenser according to claim 4, in which the bottom end (33) of the hoop (31) presents an irregular profile defining different axial heights that correspond substantially to the heights of the ramp (14).
  6. A dispenser according to claim 3, 4, or 5, in which at least one ramp (14) is formed by the reservoir (1) around the neck (11), projecting axially from the shoulder (13).
  7. A dispenser according to any preceding claim, in which the hoop is surrounded by an outer skirt that masks both the hoop and the disassembly means in the final assembled position.
  8. A dispenser according to any preceding claim, in which intermediate clearance (E) is provided between the hoop (31) and the ring (2) in the disassembled position and/or in the preassembled position, so as to enable the ring to deform radially outwards while it is being disassembled from and/or assembled to the neck.
  9. A dispenser according to any preceding claim, in which the neck (11) forms a projecting annular outer reinforcement (12), the ring including at least one inner fastener profile that is engaged below the outer reinforcement of the neck in the final assembled position.
EP08865339A 2007-12-12 2008-12-09 Fluid product dispenser Active EP2237897B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0759773A FR2925033B1 (en) 2007-12-12 2007-12-12 FLUID PRODUCT DISPENSER.
PCT/FR2008/052257 WO2009080980A1 (en) 2007-12-12 2008-12-09 Fluid product dispenser

Publications (2)

Publication Number Publication Date
EP2237897A1 EP2237897A1 (en) 2010-10-13
EP2237897B1 true EP2237897B1 (en) 2012-05-30

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Application Number Title Priority Date Filing Date
EP08865339A Active EP2237897B1 (en) 2007-12-12 2008-12-09 Fluid product dispenser

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US (1) US8292132B2 (en)
EP (1) EP2237897B1 (en)
CN (1) CN101896283B (en)
BR (1) BRPI0820453A8 (en)
ES (1) ES2388472T3 (en)
FR (1) FR2925033B1 (en)
WO (1) WO2009080980A1 (en)

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DE102010022161B4 (en) * 2010-05-20 2013-02-21 Aero Pump GmbH, Zerstäuberpumpen Pump, in particular throat spray pump
EP3093074B1 (en) * 2015-05-13 2019-12-04 Aptar Radolfzell GmbH Applicator head for a dispenser for discharging a liquid, as well as dispenser with such a discharge head and attachment section for such an applicator head
CN108473237B (en) 2015-12-23 2019-12-10 荷兰联合利华有限公司 Closure member
EP3463681B1 (en) * 2016-06-07 2020-09-30 Unilever Plc. Fluid dispenser
FR3084655B1 (en) * 2018-08-01 2020-11-13 Albea Services EASY ASSEMBLY AND DISASSEMBLY OF A PUMP IN RELATION TO THE TANK
FR3090596B1 (en) * 2018-12-20 2021-01-08 Albea Services FIXING SYSTEM FOR MOUNTING A DISTRIBUTION PUMP ON A BOTTLE AND BOTTLE OF ASSOCIATED FLUID PRODUCT
CN114127450A (en) 2019-07-26 2022-03-01 宝洁公司 Valve assembly for a dispenser
CN114206745A (en) * 2019-07-26 2022-03-18 宝洁公司 Valve assembly for a dispenser
JPWO2021149331A1 (en) * 2020-01-22 2021-07-29
FR3109539B1 (en) * 2020-04-28 2022-04-08 Aptar France Sas Fluid product dispenser
FR3111337B1 (en) * 2020-06-12 2022-06-03 Aptar France Sas Pump fixing device

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US34976A (en) * 1862-04-15 Improved cover for fruit-jars
US2576580A (en) * 1948-11-16 1951-11-27 Mero Co Inc Bottle cap
DE1164864B (en) * 1958-06-20 1964-03-05 Metallwerke Adolf Hopf K G Bottle cap
JPS6026830Y2 (en) * 1978-03-16 1985-08-13 株式会社吉野工業所 manual sprayer
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FR2790743B1 (en) * 1999-03-08 2001-06-01 Sofab DEVICE FOR ASSEMBLING A PUMP ON THE NECK OF A CONTAINER WITH A HANGING COLLAR

Also Published As

Publication number Publication date
CN101896283A (en) 2010-11-24
ES2388472T3 (en) 2012-10-15
BRPI0820453A8 (en) 2016-01-26
EP2237897A1 (en) 2010-10-13
US8292132B2 (en) 2012-10-23
BRPI0820453A2 (en) 2015-06-16
US20090152303A1 (en) 2009-06-18
FR2925033B1 (en) 2012-10-05
CN101896283B (en) 2013-07-17
FR2925033A1 (en) 2009-06-19
WO2009080980A1 (en) 2009-07-02

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