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EP2427274B1 - Attachment device for attaching a pump onto a tank neck - Google Patents

Attachment device for attaching a pump onto a tank neck Download PDF

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Publication number
EP2427274B1
EP2427274B1 EP10727081.1A EP10727081A EP2427274B1 EP 2427274 B1 EP2427274 B1 EP 2427274B1 EP 10727081 A EP10727081 A EP 10727081A EP 2427274 B1 EP2427274 B1 EP 2427274B1
Authority
EP
European Patent Office
Prior art keywords
flexible
segments
ring
hard
skirt
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.)
Active
Application number
EP10727081.1A
Other languages
German (de)
French (fr)
Other versions
EP2427274A1 (en
Inventor
stéphane Beranger
Florent Pouliaude
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
Aptar France 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 Aptar France SAS filed Critical Aptar France SAS
Publication of EP2427274A1 publication Critical patent/EP2427274A1/en
Application granted granted Critical
Publication of EP2427274B1 publication Critical patent/EP2427274B1/en
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Classifications

    • 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 fastening device for fixing a dispensing member, such as a pump or a valve, on the neck of a tank.
  • a dispensing member such as a pump or a valve
  • This type of fixing device is frequently used to fix pumps or valves on tanks in the fields of perfumery, cosmetics or even pharmacy. Other technical fields may also use such fasteners.
  • a particular type of fastening device uses a fixing ring and a hoop which extends in the final mounting position around the ring with a radial clamping.
  • the fixing ring comprises receiving means for fixedly receiving the pump or the valve, an annular plate intended to exert an axial pressure on the neck of the reservoir and an attachment skirt which extends downwards from the plate, this skirt comprising hooking means for hooking around the tank neck.
  • the function of the hoop is to block the hooking means of the ring around the neck of the tank. Blocking is done by preventing the ring from deforming radially outward.
  • the band has only an aesthetic function by partially or completely masking the fixing ring.
  • the object of the present invention is to overcome the above-mentioned drawbacks of the prior art by defining a fixing device whose hoop is extremely simple, and whose ring is made with well-known conventional molding techniques.
  • the ring is made of two different plastic materials, namely a first substantially hard material and a second flexible material which is more flexible than the first material.
  • the second flexible material comes into contact with the hoop.
  • the soft deformation characteristics of the second flexible material are used to increase the quality of the contact between the ring and the hoop.
  • the second flexible material is more easily deformable, and will therefore come into intimate contact with the hoop on an extended surface, which considerably increases the radial clamping to hold the hoop firmly on the ring.
  • the hardness or stiffness characteristics of the first substantially hard material are used to firmly and securely receive the pump or the valve in the receiving means and to securely fix the hooking means on the neck of the tank. Therefore, this bi-material fixing ring offers both the advantages of the hard material for receiving the pump or valve and the fixation on the neck and the advantages of the flexible material for maintaining the band on the ring. It is possible that the hoop comes into contact with the second flexible material. Alternatively, the first hard material may also come into contact with the hoop.
  • the skirt comprises several segments of hard material made with the first substantially hard material and several segments of flexible material made with the second flexible material, the segments being interspersed with to form a continuous skirt.
  • the segments extend axially downward from the tray.
  • the hard and flexible segments are alternately and continuously arranged, so that the two hard segments surrounding a flexible segment will deform by compression the flexible segment during the mounting force of the band on the skirt.
  • the deformation of the flexible segments has the effect of deform radially outwardly in contact against the inner wall of the hoop.
  • Hard segments are used to constrain the soft segments tangentially and push them against the hoop.
  • the ring comprises a main body made with the first substantially hard material and a secondary body made with the second flexible material, the main body forming the receiving means, the plate and segments of hard material, the secondary body forming segments of flexible material each disposed between two segments of hard material.
  • the skirt is mainly made with the first substantially hard material and further comprises an outer coating made with the second flexible material, the outer coating coming into contact with the hoop.
  • the ring comprises a sleeve which extends upwards from the plate, the sleeve is mainly made of the first substantially hard material and further comprises an outer coating made with the second flexible material, the outer coating coming into contact of the fret.
  • the outer coating is deformed by radial compression between the hard material and the hoop.
  • the segments of hard material are partially coated with flexible material.
  • a continuous skirt of hard material that is partially or fully coated with flexible material.
  • the tray may be made of the first rigid material and further comprises a neck seal made with the second flexible material.
  • the ring may consist of a one-piece main body of substantially hard material and a one-piece secondary body of flexible material, the secondary body being advantageously overmoulded on the main body. It is thus possible to achieve the fixing ring without additional difficulty other than that related to overmolding or bi-injection technique.
  • the neck seal connects the segments of flexible material together in one piece.
  • the neck seal and the outer coating are connected together by at least one bridge which passes through the skirt or sleeve.
  • the entire flexible material is integrally connected, so that the mold only needs a single injection point.
  • the skirt comprises a free lower end which is initially flared outward before mounting the hoop on the ring.
  • the free bottom end of the skirt is made of both hard material and flexible material alternately, the radial deformation inward of this free end by the hoop will have the effect of deforming the segments inwardly. hardened which will reduce the space for the flexible segments which will then have the effect of pressing very strongly against the inner wall of the hoop, thus further improving the holding of the hoop on the ring.
  • the spirit of the invention is to concentrate in the ring all the qualities necessary for the reception of the pump or valve, the hooking on the neck and the holding of the band on the band, playing on the intrinsic qualities different constituent materials.
  • the qualities of the hard material are used, and for radial clamping and friction the qualities of the flexible material are used.
  • the ring B conventionally comprises receiving means 12 for receiving, for example by snapping, a dispensing member P, such as a pump or a valve.
  • the dispensing member P may for example comprise a ratchet flange whose shape is adapted to that of the receiving means 12.
  • the receiving means 12 also define a central passage hole 11 for the actuating rod of the pump or valve.
  • the receiving means 12 extend on the outer periphery by a radial plate 13 which is intended to be disposed above the upper edge of the neck C of the reservoir R.
  • the plate 13 has a general configuration in the form of a disc.
  • the plate connects on its outer periphery to a substantially cylindrical skirt S which extends downwardly from the plate.
  • the skirt S has an internal diameter adapted to that of the neck C of the tank R, so that the skirt can be mounted around the neck C.
  • the skirt comprises fastening means 20 which are in the form of projecting profiles inwards intended to engage under a shoulder E formed by the neck C.
  • the attachment means 20 are disposed near the free lower end of the skirt. It should also be noted that this free end is flared outwardly in the initial state. This is represented on the figure 6a .
  • the flared bottom end is located on the axial path of the hoop 3 so that the hoop will deform inwardly the flared free end so as to push the fastening means 20 under the shoulder E. This is visible on the figure 6b . he This is a quite conventional design for a fastener using a fastener ring and a hoop.
  • the hoop 3 has a generally cylindrical general configuration with a cylindrical main section 31 which is extended at its upper end by a reentrant annular flap 32.
  • the inner wall of the cylindrical section 31 is smooth, that is to say without attachment profiles.
  • the hoop 3 is engaged by force around the skirt S of the ring B.
  • the hoop moves between an intermediate position of assembly shown on the figure 6a and a final mounting position shown on the figure 6b .
  • the hoop is not yet engaged around the attachment means 20, while this is the case on the figure 6b .
  • the hoop has the effect of deforming the lower free end of the skirt S, and thus permanently engage the fastening means 20 under the shoulder E of the C-neck.
  • the fixing ring B is made of plastic by injection molding technique.
  • the ring B is made of two different plastic materials, namely a first substantially hard material M1 and a second flexible material M2 which is more flexible than the first material M1.
  • the two materials are distinguished mainly by their difference in hardness or flexibility.
  • the second flexible material M2 is intended to come into contact with the band 3 so as to generate an intimate contact which increases the friction, and therefore the radial clamping. In the end, the holding of the ring on the ring is considerably improved. The contact between the ring and the ring can be entirely assured by the second flexible material M2.
  • the first material M1 may also come into contact with the hoop.
  • the second flexible material M2 forms three segments of flexible material 24 which are arranged between three segments of hard material 14.
  • the segments 14, 24 are arranged alternately forming a continuous skirt, that is, to say without slots. It can also be said that the slots formed between the segments of hard material 14 are completely filled by the flexible segments 24. This is visible on the Figures 1 to 5 .
  • the hooking means 20 may be formed by the hard material segments 14 and / or the flexible material segments 24.
  • the free bottom end is jointly formed by the ends 15 of the hard material segments 14 and the ends 25 of the segments. of flexible material 24.
  • the flexible segments 24 are shorter than the hard segments 14, so that the free lower end is castellated.
  • the flexible material segments 24 extend from the tray 13 downwards and terminate at the same level as the hard material segments 14.
  • the hard material segments 14 are connected at their upper ends directly to the plate 13, which is made with the first hard material M1, as well as the receiving means 12.
  • the plate 13 is provided with a neck joint 23 which is also made with the second flexible material M2.
  • the neck seal 23 is made integrally with the segments of flexible material 24, as can be seen in FIG. figure 5 .
  • the ring B is thus made with a main body 1 made with the first hard material M1 and a secondary body 2 made with the second flexible material M2.
  • the main body 1 forms the receiving means 12, the plate 13 and the hard material segments 14, while the secondary body 2 forms the flexible material segments 24 and the neck joint 23.
  • the main body 1 and the secondary body 2 can be made in the form of two separate pieces.
  • the main body and the secondary body are made integrally by overmolding or bi-injection.
  • the secondary body 2 may be overmoulded on the main body 1.
  • figure 5 is not realistic for a fastening ring made in one piece, but allows to better understand the strategy of the ring.
  • the ring B is mainly made with the first substantially hard material M1 which forms the receiving means 12, the plate 13, the skirt S 'and a sleeve 17.
  • the ring further comprises a collar gasket 23 which is made with the second flexible material M2.
  • the neck seal is arranged just below the plate 13 inside the skirt S '.
  • the second flexible material M2 also forms an outer coating 24 'which extends partially or totally on the outer wall of the skirt S'. This outer coating 24 'may be for example in the form of several annular bands which extend around the skirt S'.
  • the sleeve 17 may also be provided with an outer coating 27 at its outer wall.
  • This outer coating 27 may have the same configuration as the outer coating 24 'of the skirt S'.
  • the neck seal 23 can be connected. this bar 21 by one or more bridge (s) of material 22 which passes through (nt) the wall thickness of the skirt S 'and / or the sleeve 17.
  • the second flexible material M2 which is pressed in contact with the inner wall of the hoop is subjected to tangential compression due to the fact that the segments of flexible material 24 are arranged between two segments of hard material 14.
  • the flexible material M2 which forms the outer coatings is deformed by radial compression between the hard material M1 and the hoop 3.
  • the flexible material M2 is strongly supported with an intimate contact extended against the inner wall of the fret. This produces a considerably improved hold of the band 3 on the fixing ring.
  • the strength can be further improved by providing protruding or hollow profiles at the inner wall of the hoop.

Landscapes

  • Closures For Containers (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Description

La présente invention concerne un dispositif de fixation pour fixer un organe de distribution, tel qu'une pompe ou une valve, sur le col d'un réservoir. Ce type de dispositif de fixation est fréquemment utilisé pour fixer des pompes ou des valves sur des réservoirs dans les domaines de la parfumerie, de la cosmétique ou encore de la pharmacie. D'autres domaines techniques peuvent également utilisés de tels dispositifs de fixation.The present invention relates to a fastening device for fixing a dispensing member, such as a pump or a valve, on the neck of a tank. This type of fixing device is frequently used to fix pumps or valves on tanks in the fields of perfumery, cosmetics or even pharmacy. Other technical fields may also use such fasteners.

Un type particulier de dispositif de fixation met en oeuvre une bague de fixation et une frette qui s'étend en position finale de montage autour de la bague avec un serrage radial. La bague de fixation comprend des moyens de réception pour recevoir fixement la pompe ou la valve, un plateau annulaire destiné à exercer une pression axiale sur le col du réservoir et une jupe d'accrochage qui s'étend vers le bas à partir du plateau, cette jupe comprenant des moyens d'accrochage pour réaliser un accrochage autour du col de réservoir.A particular type of fastening device uses a fixing ring and a hoop which extends in the final mounting position around the ring with a radial clamping. The fixing ring comprises receiving means for fixedly receiving the pump or the valve, an annular plate intended to exert an axial pressure on the neck of the reservoir and an attachment skirt which extends downwards from the plate, this skirt comprising hooking means for hooking around the tank neck.

Dans certains cas, la frette a pour fonction de bloquer les moyens d'accrochage de la bague autour du col du réservoir. Le blocage est effectué en empêchant la bague de se déformer radialement vers l'extérieur. Dans d'autres cas, la frette n'a qu'une fonction esthétique en masquant partiellement ou complètement la bague de fixation.In some cases, the function of the hoop is to block the hooking means of the ring around the neck of the tank. Blocking is done by preventing the ring from deforming radially outward. In other cases, the band has only an aesthetic function by partially or completely masking the fixing ring.

Dans tous les cas, il est nécessaire que la frette soit solidement maintenue sur la bague. En effet, le manque de tenue de la frette sur la bague est un problème récurrent dans ce type de dispositif de fixation à bague et frette, et de nombreuses solutions dans l'art antérieur ont déjà été proposées afin de le pallier. Généralement, on essaie de réaliser des profils d'accrochage au niveau de la paroi interne de la frette sous la forme de profils en creux ou en saillie. Etant donné que la bague de fixation est très généralement réalisée en plastique et la frette en métal, on se sert des qualités de fluage plastique de la bague de fixation pour fluer autour et/ou dans les profils formés sur la paroi interne de la frette. Dans l'art antérieur, on connaît les documents EP-0 704 251 et US-6 253 941 qui proposent de telles solutions.In all cases, it is necessary that the hoop be firmly held on the ring. Indeed, the lack of holding of the ring on the ring is a recurring problem in this type of ring fastener and hoop, and many solutions in the prior art have already been proposed to overcome it. Generally, it is attempted to achieve attachment profiles at the inner wall of the hoop in the form of hollow profiles or projecting. Since the fixing ring is very generally made of plastic and the metal ferrule, the plastic creep qualities of the fixing ring are used to flow around and / or in the profiles formed on the inner wall of the hoop. In the prior art, the documents are known EP-0 704 251 and US-6,253,941 who offer such solutions.

Cependant, les solutions mettant en oeuvre des profils au niveau de la frette nécessitent un usinage particulier de la frette qui augmente considérablement son coût.However, the solutions implementing profiles at the level of the band require special machining of the band which greatly increases its cost.

La présente invention a pour but de surmonter les inconvénients précités de l'art antérieur en définissant un dispositif de fixation dont la frette est extrêmement simple, et dont la bague est réalisée avec des techniques de moulage conventionnelles bien connues. Selon l'invention, la bague est réalisée en deux matériaux plastiques différents, à savoir un premier matériau sensiblement dur et un second matériau souple qui est plus souple que le premier matériau. Avantageusement, le second matériau souple vient en contact avec la frette. Ainsi, on se sert des caractéristiques de déformation souple du second matériau souple pour augmenter la qualité du contact entre la bague et la frette. Le second matériau souple se déforme plus facilement, et va donc venir en contact intime de la frette sur une surface étendue, ce qui augmente considérablement le serrage radial permettant de maintenir solidement la frette sur la bague. D'autre part, on se sert des caractéristiques de dureté ou rigidité du premier matériau sensiblement dur pour recevoir fixement et solidement la pompe ou la valve dans les moyens de réception et pour fixer solidement les moyens d'accrochage sur le col du réservoir. Par conséquent, cette bague de fixation bi-matière offre à la fois les avantages du matériau dur pour la réception de la pompe ou valve et la fixation sur le col et les avantages du matériau souple pour la maintien de la frette sur la bague. Il est possible que la frette ne vienne en contact qu'avec le second matériau souple. En variante, le premier matériau dur peut également venir en contact avec la frette.The object of the present invention is to overcome the above-mentioned drawbacks of the prior art by defining a fixing device whose hoop is extremely simple, and whose ring is made with well-known conventional molding techniques. According to the invention, the ring is made of two different plastic materials, namely a first substantially hard material and a second flexible material which is more flexible than the first material. Advantageously, the second flexible material comes into contact with the hoop. Thus, the soft deformation characteristics of the second flexible material are used to increase the quality of the contact between the ring and the hoop. The second flexible material is more easily deformable, and will therefore come into intimate contact with the hoop on an extended surface, which considerably increases the radial clamping to hold the hoop firmly on the ring. On the other hand, the hardness or stiffness characteristics of the first substantially hard material are used to firmly and securely receive the pump or the valve in the receiving means and to securely fix the hooking means on the neck of the tank. Therefore, this bi-material fixing ring offers both the advantages of the hard material for receiving the pump or valve and the fixation on the neck and the advantages of the flexible material for maintaining the band on the ring. It is possible that the hoop comes into contact with the second flexible material. Alternatively, the first hard material may also come into contact with the hoop.

Selon un premier mode de réalisation avantageux de l'invention, la jupe comprend plusieurs segments de matériau dur réalisés avec le premier matériau sensiblement dur et plusieurs segments de matériau souple réalisés avec le second matériau souple, les segments étant intercalés de manière à former une jupe continue. De préférence, les segments s'étendent axialement vers le bas à partir du plateau. Ainsi, les segments durs et souples sont disposés de manière alternée et continue, de sorte que les deux segments durs entourant un segment souple vont déformer par compression le segment souple lors du montage en force de la frette sur la jupe. La déformation des segments souples a pour conséquence de les déformer radialement vers l'extérieur en contact appuyé contre la paroi interne de la frette. On se sert donc des segments durs pour contraindre tangentiellement les segments souples et les pousser contre la frette.According to a first advantageous embodiment of the invention, the skirt comprises several segments of hard material made with the first substantially hard material and several segments of flexible material made with the second flexible material, the segments being interspersed with to form a continuous skirt. Preferably, the segments extend axially downward from the tray. Thus, the hard and flexible segments are alternately and continuously arranged, so that the two hard segments surrounding a flexible segment will deform by compression the flexible segment during the mounting force of the band on the skirt. The deformation of the flexible segments has the effect of deform radially outwardly in contact against the inner wall of the hoop. Hard segments are used to constrain the soft segments tangentially and push them against the hoop.

Selon un mode de réalisation pratique, la bague comprend un corps principal réalisé avec le premier matériau sensiblement dur et un corps secondaire réalisé avec le second matériau souple, le corps principal formant les moyens de réception, le plateau et des segments de matériau dur, le corps secondaire formant des segments de matériau souple disposés chacun entre deux segments de matériau dur.According to a practical embodiment, the ring comprises a main body made with the first substantially hard material and a secondary body made with the second flexible material, the main body forming the receiving means, the plate and segments of hard material, the secondary body forming segments of flexible material each disposed between two segments of hard material.

Selon un autre mode de réalisation de l'invention, la jupe est principalement réalisée avec le premier matériau sensiblement dur et comprend en outre un revêtement externe réalisé avec le second matériau souple, le revêtement externe venant en contact de la frette. Avantageusement, la bague comprend une douille qui s'étend vers le haut à partir du plateau, la douille est principalement réalisée avec le premier matériau sensiblement dur et comprend en outre un revêtement externe réalisé avec le second matériau souple, le revêtement externe venant en contact de la frette. Dans ce cas, le revêtement externe est déformé par compression radiale entre le matériau dur et la frette. On peut par exemple imaginer que les segments de matériau dur sont partiellement revêtus avec du matériau souple. On peut également imaginer une jupe continue en matériau dur qui est partiellement ou entièrement revêtue avec du matériau souple.According to another embodiment of the invention, the skirt is mainly made with the first substantially hard material and further comprises an outer coating made with the second flexible material, the outer coating coming into contact with the hoop. Advantageously, the ring comprises a sleeve which extends upwards from the plate, the sleeve is mainly made of the first substantially hard material and further comprises an outer coating made with the second flexible material, the outer coating coming into contact of the fret. In this case, the outer coating is deformed by radial compression between the hard material and the hoop. For example, it is possible to imagine that the segments of hard material are partially coated with flexible material. One can also imagine a continuous skirt of hard material that is partially or fully coated with flexible material.

Selon une caractéristique commune à tous les modes de réalisation, le plateau peut être réalisé avec le premier matériau rigide et comprend en outre un joint de col réalisé avec le second matériau souple.According to a feature common to all embodiments, the tray may be made of the first rigid material and further comprises a neck seal made with the second flexible material.

Selon un mode de réalisation très pratique, la bague peut être constituée d'un corps principal monobloc en matériau sensiblement dur et d'un corps secondaire monobloc en matériau souple, le corps secondaire étant avantageusement surmoulé sur le corps principal. On peut ainsi réaliser la bague de fixation sans difficulté supplémentaire autre que celle liée à la technique de surmoulage ou de bi-injection.According to a very practical embodiment, the ring may consist of a one-piece main body of substantially hard material and a one-piece secondary body of flexible material, the secondary body being advantageously overmoulded on the main body. It is thus possible to achieve the fixing ring without additional difficulty other than that related to overmolding or bi-injection technique.

Selon une autre caractéristique intéressante de l'invention, le joint de col relie les segments de matériau souple entre eux de manière monobloc. Avantageusement, le joint de col et le revêtement externe sont reliés ensemble par au moins un pont qui traverse la jupe ou la douille. Ainsi, l'ensemble du matériau souple est relié de manière monobloc, de sorte que le moule n'a besoin que d'un seul point d'injection.According to another advantageous feature of the invention, the neck seal connects the segments of flexible material together in one piece. Advantageously, the neck seal and the outer coating are connected together by at least one bridge which passes through the skirt or sleeve. Thus, the entire flexible material is integrally connected, so that the mold only needs a single injection point.

Selon un autre aspect intéressant de l'invention, la jupe comprend une extrémité inférieure libre qui est initialement évasée vers l'extérieur avant le montage de la frette sur la bague. Lorsque l'extrémité inférieure libre de la jupe est réalisée à la fois en matériau dur et en matériau souple de manière alternée, la déformation radiale vers l'intérieur de cette extrémité libre par la frette aura pour effet de déformer vers l'intérieur les segments durs qui vont réduire l'espace pour les segments souples qui auront alors pour effet d'appuyer très fortement contre la paroi interne de la frette, améliorant ainsi encore davantage la tenue de la frette sur la bague.According to another interesting aspect of the invention, the skirt comprises a free lower end which is initially flared outward before mounting the hoop on the ring. When the free bottom end of the skirt is made of both hard material and flexible material alternately, the radial deformation inward of this free end by the hoop will have the effect of deforming the segments inwardly. hardened which will reduce the space for the flexible segments which will then have the effect of pressing very strongly against the inner wall of the hoop, thus further improving the holding of the hoop on the ring.

L'esprit de l'invention est de concentrer dans la bague toutes les qualités nécessaires à la réception de la pompe ou valve, à l'accrochage sur le col et à la tenue de la frette sur la frette, en jouant sur les qualités intrinsèques de matériaux constitutifs différents. Pour l'encliquetage et/ou l'ancrage, on se sert des qualités du matériau dur, et pour le serrage radial et le frottement, on se sert des qualités du matériau souple.The spirit of the invention is to concentrate in the ring all the qualities necessary for the reception of the pump or valve, the hooking on the neck and the holding of the band on the band, playing on the intrinsic qualities different constituent materials. For snapping and / or anchoring, the qualities of the hard material are used, and for radial clamping and friction the qualities of the flexible material are used.

L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemples non limitatifs deux modes de réalisation de la l'invention.The invention will now be more fully described with reference to the accompanying drawings giving by way of non-limiting examples two embodiments of the invention.

Sur les figures :

  • les figures 1 à 5 représentent une bague de fixation réalisée selon un premier mode de réalisation de l'invention sous différentes vues,
  • les figures 6a et 6b sont des vues en coupe transversale verticale à travers la bague de fixation des figures 1 à 5 respectivement en cours de montage et en position finale de montage sur un col de réservoir, et
  • la figure 7 est une vue en coupe transversale verticale à travers une bague de fixation selon un second mode de réalisation de l'invention.
In the figures:
  • the Figures 1 to 5 represent a fixing ring made according to a first embodiment of the invention in different views,
  • the Figures 6a and 6b are vertical cross-sectional views through the fixing ring of the Figures 1 to 5 respectively in the course of assembly and in final assembly position on a tank neck, and
  • the figure 7 is a vertical cross-sectional view through a fixing ring according to a second embodiment of the invention.

On se référera tout d'abord aux figures 1 à 6b pour décrire en détail la structure et les fonctions de la bague de fixation selon un premier mode de réalisation de l'invention. La bague B comprend de manière classique des moyens de réception 12 pour recevoir, par exemple par encliquetage, un organe de distribution P, tel qu'une pompe ou une valve. L'organe de distribution P peut par exemple comprendre une collerette d'encliquetage dont la forme est adaptée à celle des moyens de réception 12. Les moyens de réception 12 définissent également un trou de passage central 11 pour la tige d'actionnement de la pompe ou valve. Les moyens de réception 12 se prolongent sur la périphérie externe par un plateau radial 13 qui est destiné à être disposé au-dessus du bord supérieur du col C du réservoir R. Le plateau 13 a une configuration générale sous forme de disque. Le plateau se connecte sur sa périphérie externe à une jupe sensiblement cylindrique S qui s'étend vers le bas à partir du plateau. La jupe S présente un diamètre interne adapté à celui du col C du réservoir R, de manière à ce que la jupe puisse être montée autour du col C. La jupe comprend des moyens d'accrochage 20 qui se présentent sous la forme de profils saillants vers l'intérieur destinés à venir en prise sous un épaulement E formé par le col C. Dans ce premier mode de réalisation, les moyens d'accrochage 20 sont disposés à proximité de l'extrémité inférieure libre de la jupe. Il faut également remarquer que cette extrémité libre est évasée vers l'extérieur à l'état initial. Ceci est représenté sur la figure 6a. L'extrémité inférieure évasée est située sur le trajet axial de la frette 3 de sorte que la frette va déformer vers l'intérieur l'extrémité libre évasée de manière à pousser les moyens d'accrochage 20 sous l'épaulement E. Ceci est visible sur la figure 6b. Il s'agit là d'une conception tout à fait classique pour un dispositif de fixation utilisant une bague de fixation et une frette.We will first refer to Figures 1 to 6b to describe in detail the structure and functions of the fixing ring according to a first embodiment of the invention. The ring B conventionally comprises receiving means 12 for receiving, for example by snapping, a dispensing member P, such as a pump or a valve. The dispensing member P may for example comprise a ratchet flange whose shape is adapted to that of the receiving means 12. The receiving means 12 also define a central passage hole 11 for the actuating rod of the pump or valve. The receiving means 12 extend on the outer periphery by a radial plate 13 which is intended to be disposed above the upper edge of the neck C of the reservoir R. The plate 13 has a general configuration in the form of a disc. The plate connects on its outer periphery to a substantially cylindrical skirt S which extends downwardly from the plate. The skirt S has an internal diameter adapted to that of the neck C of the tank R, so that the skirt can be mounted around the neck C. The skirt comprises fastening means 20 which are in the form of projecting profiles inwards intended to engage under a shoulder E formed by the neck C. In this first embodiment, the attachment means 20 are disposed near the free lower end of the skirt. It should also be noted that this free end is flared outwardly in the initial state. This is represented on the figure 6a . The flared bottom end is located on the axial path of the hoop 3 so that the hoop will deform inwardly the flared free end so as to push the fastening means 20 under the shoulder E. This is visible on the figure 6b . he This is a quite conventional design for a fastener using a fastener ring and a hoop.

Comme visible sur les figures 6a et 6b, la frette 3 présente une configuration générale sensiblement cylindrique avec une section principale cylindrique 31 qui se prolonge à son extrémité supérieure par un rabat annulaire rentrant 32. Avantageusement, la paroi interne de la section cylindrique 31 est lisse, c'est-à-dire dépourvue de profils d'accrochage. La frette 3 est engagée à force autour de la jupe S de la bague B. La frette se déplace entre une position intermédiaire de montage représentée sur la figure 6a et une position finale de montage représentée sur la figure 6b. Sur la figure 6a, la frette n'est pas encore engagée autour des moyens d'accrochage 20, alors que ceci est le cas sur la figure 6b. On peut également voir que la frette a pour effet de déformer l'extrémité inférieure libre de la jupe S, et de ce fait d'engager définitivement les moyens d'accrochage 20 sous l'épaulement E du col C.As visible on Figures 6a and 6b , the hoop 3 has a generally cylindrical general configuration with a cylindrical main section 31 which is extended at its upper end by a reentrant annular flap 32. Advantageously, the inner wall of the cylindrical section 31 is smooth, that is to say without attachment profiles. The hoop 3 is engaged by force around the skirt S of the ring B. The hoop moves between an intermediate position of assembly shown on the figure 6a and a final mounting position shown on the figure 6b . On the figure 6a , the hoop is not yet engaged around the attachment means 20, while this is the case on the figure 6b . It can also be seen that the hoop has the effect of deforming the lower free end of the skirt S, and thus permanently engage the fastening means 20 under the shoulder E of the C-neck.

La bague de fixation B est réalisée en matière plastique par la technique d'injection moulage. Selon l'invention, la bague B est réalisée en deux matériaux plastiques différents, à savoir un premier matériau sensiblement dur M1 et un second matériau souple M2 qui est plus souple que le premier matériau M1. Ainsi, les deux matériaux se distinguent principalement par leur différence de dureté ou souplesse. Selon une caractéristique de l'invention, le second matériau souple M2 est destiné à venir en contact avec la frette 3 de manière à générer un contact intime qui augmente le frottement, et par conséquent le serrage radial. Au final, la tenue de la frette sur la bague est considérablement améliorée. Le contact entre la frette et la bague peut entièrement être assuré par le second matériau souple M2. En variante, le premier matériau M1 peut également venir en contact de la frette.The fixing ring B is made of plastic by injection molding technique. According to the invention, the ring B is made of two different plastic materials, namely a first substantially hard material M1 and a second flexible material M2 which is more flexible than the first material M1. Thus, the two materials are distinguished mainly by their difference in hardness or flexibility. According to a characteristic of the invention, the second flexible material M2 is intended to come into contact with the band 3 so as to generate an intimate contact which increases the friction, and therefore the radial clamping. In the end, the holding of the ring on the ring is considerably improved. The contact between the ring and the ring can be entirely assured by the second flexible material M2. Alternatively, the first material M1 may also come into contact with the hoop.

Dans ce premier mode de réalisation, le second matériau souple M2 forme trois segments de matériau souple 24 qui sont disposés entre trois segments de matériau dur 14. Les segments 14, 24 sont disposés de manière alternée en formant une jupe continue, c'est-à-dire dépourvue de fentes. On peut également dire que les fentes formées entre les segments de matériau dur 14 sont intégralement comblés par les segments souples 24. Ceci est visible sur les figures 1 à 5. Les moyens d'accrochage 20 peuvent être formés par les segments de matériau dur 14 et/ou les segments de matériau souple 24. L'extrémité inférieure libre est formée conjointement par les extrémités 15 des segments de matériau dur 14 et les extrémités 25 des segments de matériau souple 24. En variante préférentielle, les segments souples 24 sont plus courts que les segments durs 14, de sorte que l'extrémité inférieure libre est crénelée. Les segments de matériau souple 24 s'étendent à partir du plateau 13 vers le bas et se terminent au même niveau que les segments de matériau dur 14. Les segments de matériau dur 14 se raccordent à leurs extrémités supérieures directement au plateau 13, qui est réalisé avec le premier matériau dur M1, ainsi que les moyens de réception 12. Avantageusement, le plateau 13 est pourvu d'un joint de col 23 qui est également réalisé avec le second matériau souple M2. Avantageusement, le joint de col 23 est réalisé de manière monobloc avec les segments de matériau souple 24, comme on peut le voir sur la figure 5. La bague B est ainsi réalisée avec un corps principal 1 réalisé avec le premier matériau dur M1 et un corps secondaire 2 réalisé avec le second matériau souple M2. Le corps principal 1 forme les moyens de réception 12, le plateau 13 et les segments de matériau dur 14, alors que le corps secondaire 2 forme les segments de matériau souple 24 et le joint de col 23. Le corps principal 1 et le corps secondaire 2 peuvent être réalisés sous la forme de deux pièces séparées. De préférence, le corps principal et le corps secondaire sont réalisés de manière monobloc par surmoulage ou bi-injection. On peut par exemple surmouler le corps secondaire 2 sur le corps principal 1. Par conséquent, la figure 5 n'est pas réaliste pour une bague de fixation réalisée de manière monobloc, mais permet de mieux comprendre la stratégie de la bague.In this first embodiment, the second flexible material M2 forms three segments of flexible material 24 which are arranged between three segments of hard material 14. The segments 14, 24 are arranged alternately forming a continuous skirt, that is, to say without slots. It can also be said that the slots formed between the segments of hard material 14 are completely filled by the flexible segments 24. This is visible on the Figures 1 to 5 . The hooking means 20 may be formed by the hard material segments 14 and / or the flexible material segments 24. The free bottom end is jointly formed by the ends 15 of the hard material segments 14 and the ends 25 of the segments. of flexible material 24. In a preferred variant, the flexible segments 24 are shorter than the hard segments 14, so that the free lower end is castellated. The flexible material segments 24 extend from the tray 13 downwards and terminate at the same level as the hard material segments 14. The hard material segments 14 are connected at their upper ends directly to the plate 13, which is made with the first hard material M1, as well as the receiving means 12. Advantageously, the plate 13 is provided with a neck joint 23 which is also made with the second flexible material M2. Advantageously, the neck seal 23 is made integrally with the segments of flexible material 24, as can be seen in FIG. figure 5 . The ring B is thus made with a main body 1 made with the first hard material M1 and a secondary body 2 made with the second flexible material M2. The main body 1 forms the receiving means 12, the plate 13 and the hard material segments 14, while the secondary body 2 forms the flexible material segments 24 and the neck joint 23. The main body 1 and the secondary body 2 can be made in the form of two separate pieces. Preferably, the main body and the secondary body are made integrally by overmolding or bi-injection. For example, the secondary body 2 may be overmoulded on the main body 1. figure 5 is not realistic for a fastening ring made in one piece, but allows to better understand the strategy of the ring.

Lorsque la bague B est dans la position représentée sur la figure 6a, elle n'est pratiquement soumise à aucune contrainte. En revanche, lorsque l'on abaisse la frette 3 autour de la bague B, la frette vient en serrage radial autour de la jupe S, qui est composée à la fois de matériau dur M1 et de matériau souple M2. Les segments de matériau dur 14 compriment alors les segments de matériau souple 24, qui en réaction se déforment vers l'extérieur en contact appuyé intime contre la paroi interne de la frette 3. Ce phénomène est encore plus important au niveau des extrémités inférieures 25 des segments de matériau souple 24 qui sont très fortement comprimés par les extrémités inférieures 15 des segments de matériau dur 14. On obtient ainsi une tenue considérable de la frette 3 sur la jupe S de la bague B.When the ring B is in the position shown on the figure 6a it is practically unrestrained. On the other hand, when the band 3 is lowered around the ring B, the band comes in radial clamping around the skirt S, which is composed of both hard material M1 and flexible material M2. The segments of hard material 14 then compress the segments of flexible material 24, which in reaction deform outwardly in intimate contact against the inner wall of the hoop 3. This phenomenon is even more important at the lower ends 25 segments of flexible material 24 which are very strongly compressed by the lower ends 15 of hard material segments 14. This provides a considerable hold of the hoop 3 on the skirt S of the ring B.

On se référera maintenant à la figure 7 qui montre un second mode de réalisation de l'invention, qui peut toutefois être mis en oeuvre cumulativement avec le premier mode de réalisation des figures 1 à 6b. Dans ce second mode de réalisation, la bague B est principalement réalisée avec le premier matériau sensiblement dur M1 qui forme les moyens de réception 12, le plateau 13, la jupe S' et une douille 17. La bague comprend en outre un joint de col 23 qui est réalisé avec le second matériau souple M2. Le joint de col est disposé juste en dessous du plateau 13 à l'intérieur de la jupe S'. Selon l'invention, le second matériau souple M2 forme également un revêtement externe 24' qui s'étend partiellement ou totalement sur la paroi externe de la jupe S'. Ce revêtement externe 24' peut se présenter par exemple sous la forme de plusieurs bandes annulaires qui s'étendent autour de la jupe S'. Avantageusement, la douille 17 peut également être pourvue d'un revêtement externe 27 au niveau de sa paroi externe. Ce revêtement externe 27 peut avoir la même configuration que le revêtement externe 24' de la jupe S'. Pour pouvoir mouler conjointement l'ensemble des revêtements externes 24' et 27, ceux-ci sont reliés par une barrette d'injection 21 située au niveau du point d'injection Pi. D'autre part, le joint de col 23 peut être relié à cette barrette 21 par un ou plusieurs pont(s) de matière 22 qui traverse(nt) l'épaisseur de paroi de la jupe S' et/ou de la douille 17.We will now refer to the figure 7 which shows a second embodiment of the invention, which can however be implemented cumulatively with the first embodiment of the invention. Figures 1 to 6b . In this second embodiment, the ring B is mainly made with the first substantially hard material M1 which forms the receiving means 12, the plate 13, the skirt S 'and a sleeve 17. The ring further comprises a collar gasket 23 which is made with the second flexible material M2. The neck seal is arranged just below the plate 13 inside the skirt S '. According to the invention, the second flexible material M2 also forms an outer coating 24 'which extends partially or totally on the outer wall of the skirt S'. This outer coating 24 'may be for example in the form of several annular bands which extend around the skirt S'. Advantageously, the sleeve 17 may also be provided with an outer coating 27 at its outer wall. This outer coating 27 may have the same configuration as the outer coating 24 'of the skirt S'. In order to be able to mold all the external coatings 24 'and 27 together, they are connected by an injection bar 21 situated at the injection point Pi. On the other hand, the neck seal 23 can be connected. this bar 21 by one or more bridge (s) of material 22 which passes through (nt) the wall thickness of the skirt S 'and / or the sleeve 17.

Bien que cela ne soit pas représenté, on peut imaginer la bague du premier mode de réalisation des figures 1 à 6b avec une douille 17 pourvue d'un revêtement externe réalisé avec le second matériau souple M2. De même, on peut imaginer que les segments de matériau dur 14 soient pourvus partiellement ou entièrement avec un revêtement externe du même type que le revêtement 24' de la jupe S'.Although this is not shown, one can imagine the ring of the first embodiment of Figures 1 to 6b with a socket 17 provided an outer coating made with the second flexible material M2. Similarly, it is conceivable that the segments of hard material 14 are provided partially or entirely with an outer coating of the same type as the coating 24 'of the skirt S'.

Dans le premier mode de réalisation, le second matériau souple M2 qui est appuyé en contact de la paroi interne de la frette est soumis à une compression tangentielle provenant du fait que les segments de matériau souple 24 sont disposés entre deux segments de matériau dur 14. Dans le second mode de réalisation de la figure 7, le matériau souple M2 qui forme les revêtements externes est déformé par compression radiale entre le matériau dur M1 et la frette 3. Dans un cas comme dans l'autre, le matériau souple M2 est appuyé fortement avec un contact intime étendu contre la paroi interne de la frette. On obtient ainsi une tenue considérablement améliorée de la frette 3 sur la bague de fixation. La tenue peut être encore améliorée en prévoyant des profils saillants ou creux au niveau de la paroi interne de la frette.In the first embodiment, the second flexible material M2 which is pressed in contact with the inner wall of the hoop is subjected to tangential compression due to the fact that the segments of flexible material 24 are arranged between two segments of hard material 14. In the second embodiment of the figure 7 , the flexible material M2 which forms the outer coatings is deformed by radial compression between the hard material M1 and the hoop 3. In one case as in the other, the flexible material M2 is strongly supported with an intimate contact extended against the inner wall of the fret. This produces a considerably improved hold of the band 3 on the fixing ring. The strength can be further improved by providing protruding or hollow profiles at the inner wall of the hoop.

Claims (12)

  1. A fastener device for fastening a dispenser member (P), such as a pump or a valve, on a neck (C) of a reservoir (R), the device comprising:
    · a fastener ring (B) comprising: reception means (12) for receiving, in stationary manner, the dispenser member (P); an annular plate (13) for exerting axial pressure on the neck (C); and a fastener skirt (S; S') that extends downwards from the plate (13), the skirt (S; S') including fastener means (20) for fastening around the neck (C); the ring (B) being made of two different plastics materials, namely a substantially-hard first material (M1), and a flexible second material (M2) that is more flexible than the first material (M1) ; and
    . a hoop (3) that, in the final assembled position, extends around the skirt (S; S') of the ring (B) with radial clamping;
    the fastener device being characterized in that the flexible second material (M2) comes into contact with the hoop (3).
  2. A fastener device according to claim 1, wherein the hard first material (M1) comes into contact with the hoop (3).
  3. A fastener device according to any preceding claim, wherein the skirt (S) includes a plurality of hard-material segments (14) that are made of the substantially-hard first material (M1), and a plurality of flexible-material segments (24) that are made of the flexible second material (M2), the segments (14, 24) being interposed in such a manner as to form a continuous skirt.
  4. A fastener device according to claim 3, wherein the segments (14, 24) extend axially downwards from the radial plate (13).
  5. A fastener device according to any preceding claim, wherein the ring (B) comprises: a main body (1) that is made of the substantially-hard first material (M1) ; and a secondary body (2) that is made of the flexible second material (M2); the main body (1) forming the reception means (12), the plate (13), and hard-material segments (14); the secondary body (2) forming flexible-material segments (24) that are each arranged between two hard-material segments (14).
  6. A fastener device according to any preceding claim, wherein the skirt (S') is made mainly with the substantially-hard first material (M1) and also includes an outer coating (24') that is made of the flexible second material (M2), the outer coating (24') coming into contact with the hoop (3).
  7. A fastener device according to any preceding claim, wherein the ring (B) includes a bushing (17) that extends upwards from the plate (13), the bushing (17) is mainly made of the substantially-hard first material (M1) and also includes an outer coating (27) that is made of the flexible second material (M2), the outer coating (27) coming into contact with the hoop (3).
  8. A fastener device according to any preceding claim, wherein the plate (13) is made of the rigid first material and also includes a neck gasket (23) that is made of the flexible second material (M2).
  9. A fastener device according to any preceding claim, wherein the ring (B) is constituted by a one-piece main body (1) that is made of substantially-hard material (M1), and by a one-piece secondary body (2) that is made of flexible material (M2), the secondary body (2) advantageously being overmolded onto the main body (1).
  10. A fastener device according to claim 3 and claim 8, wherein the neck gasket (23) connects the flexible-material segments (24) together as a single piece.
  11. A fastener device according to claim 3 and claim 6 or claim 7, wherein the neck gasket (23) and the outer coating (24', 27) are connected together via at least one bridge (22) that passes through the skirt (S') or the bushing (17).
  12. A fastener device according to any preceding claim, wherein the skirt (S) includes a free bottom end (15, 25) that initially flares outwards before the hoop (3) is assembled on the ring (B).
EP10727081.1A 2009-05-06 2010-05-03 Attachment device for attaching a pump onto a tank neck Active EP2427274B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0953018A FR2945283B1 (en) 2009-05-06 2009-05-06 FIXING DEVICE FOR ATTACHING A PUMP TO A RESERVOIR COLLAR
PCT/FR2010/050835 WO2010128237A1 (en) 2009-05-06 2010-05-03 Attachment device for attaching a pump onto a tank neck

Publications (2)

Publication Number Publication Date
EP2427274A1 EP2427274A1 (en) 2012-03-14
EP2427274B1 true EP2427274B1 (en) 2013-04-17

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EP10727081.1A Active EP2427274B1 (en) 2009-05-06 2010-05-03 Attachment device for attaching a pump onto a tank neck

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US (1) US8590749B2 (en)
EP (1) EP2427274B1 (en)
CN (1) CN102458680B (en)
BR (1) BRPI1011403A2 (en)
ES (1) ES2421463T3 (en)
FR (1) FR2945283B1 (en)
WO (1) WO2010128237A1 (en)

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FR2957903B1 (en) * 2010-03-25 2014-01-24 Valois Sas FLUID PRODUCT DISPENSER.
FR2963610B1 (en) * 2010-08-03 2012-08-31 Valois Sas FIXING SYSTEM AND DISPENSER OF FLUID PRODUCT USING SUCH A SYSTEM.
FR2967655B1 (en) * 2010-11-24 2014-03-14 Biocorp Rech Et Dev DEVICE FOR CLOSING A CONTAINER, CONTAINER EQUIPPED WITH SUCH A DEVICE AND METHOD FOR CLOSING A BATCH OF SUCH CONTAINERS
FR2975674B1 (en) * 2011-05-23 2013-06-28 Valois Sas FIXING RING AND FLUID PRODUCT DISPENSER USING SUCH RING.
FR2976985B1 (en) 2011-06-24 2014-09-12 Qualipac Sa ASSEMBLY DEVICE BY EMBITION ELASTIC
FR2991432B1 (en) * 2012-06-04 2015-02-06 Air Liquide CAP FOR FLUID CONNECTION, FAUCET, BOTTLE AND FILLING METHOD THEREOF
US20150260179A1 (en) * 2012-12-04 2015-09-17 Aptargroup, Inc. Fluent Product Dispensing Package and Diaphragm Pump For Use Therein
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FR2848194B1 (en) * 2002-12-05 2005-06-24 Valois Sas FASTENER FOR FASTENING A PUMP OR VALVE TO A RESERVOIR
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EP2135682B2 (en) * 2008-06-18 2016-08-17 Albéa le Tréport Dispenser for a liquid product comprising a deformable fixing ring for retaining the dispensing pump which can be unscrewed

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FR2945283A1 (en) 2010-11-12
US8590749B2 (en) 2013-11-26
FR2945283B1 (en) 2015-06-26
ES2421463T3 (en) 2013-09-02
CN102458680A (en) 2012-05-16
EP2427274A1 (en) 2012-03-14
BRPI1011403A2 (en) 2019-04-30
WO2010128237A1 (en) 2010-11-11
US20120061422A1 (en) 2012-03-15
CN102458680B (en) 2015-01-14

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