EP0704251B1 - Ring, device and method for securing a cuplike device to a container - Google Patents

Ring, device and method for securing a cuplike device to a container Download PDF

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Publication number
EP0704251B1
EP0704251B1 EP19950402056 EP95402056A EP0704251B1 EP 0704251 B1 EP0704251 B1 EP 0704251B1 EP 19950402056 EP19950402056 EP 19950402056 EP 95402056 A EP95402056 A EP 95402056A EP 0704251 B1 EP0704251 B1 EP 0704251B1
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EP
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Grant
Patent type
Prior art keywords
hoop
fixing
ring
fixing ring
neck
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19950402056
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German (de)
French (fr)
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EP0704251A3 (en )
EP0704251B3 (en )
EP0704251A2 (en )
Inventor
Olivier De Pous
Yannic Hermouet
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Aptar France SAS
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Aptar France SAS
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus
    • B05B11/30Single-unit, i.e. unitary, hand-held apparatus comprising a container and a discharge nozzle attached thereto, in which flow of liquid or other fluent material is produced by the muscular energy of the operator at the moment of use or by an equivalent manipulator independent from the apparatus the flow being effected by a pump
    • B05B11/3042Components or details
    • B05B11/3043Sealing or attachment arrangements between pump and container
    • B05B11/3049Attachment 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/205Actuator caps, or peripheral actuator skirts, attachable to the aerosol container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00Containers or packages with special means for dispensing contents
    • B65D83/14Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44Valves specially adapted therefor; Regulating devices
    • B65D83/48Lift valves, e.g. operated by push action

Description

La présente invention a trait à un dispositif et à un procédé de fixation d'un organe de distribution, tel qu'une pompe ou une valve, sur un col d'un récipient contenant du produit à distribuer. The present invention relates to a device and a method of fixing a dispenser member such as a pump or a valve, on a neck of a container of product to be dispensed.

La fixation d'un organe de distribution sur un col de récipient au moyen d'une bague est connue dans l'état de la technique, et permet notamment d'éviter un sertissage, facilitant le montage du dispositif. Fixing a dispenser member on a receptacle neck by means of a ring is known in the prior art and enables in particular to avoid crimping, facilitating mounting of the device.

Selon des techniques connues (voir brevet américain n°. 2 723 773, E. Greene 1955), une bague de fixation du type dit à encliquetage est disposée sur le corps d'un organe de distribution et est encliquetée sur le col du récipient, généralement au moyen de pattes d'encliquetage prévues à cet effet. According to known techniques (see U.S. Patent. 2,723,773, E. Greene 1955), a fixing ring of the type known snap is disposed on the body of a dispensing member, and is snapped onto the container neck, usually by means of snap-fastening tabs provided for this purpose. Une frette est ensuite emmanchée autour de ladite bague pour maintenir celle-ci solidement sur le col du récipient. A ferrule is then fitted around said ring to hold it firmly on the container neck.

Le document US-4 773 553 divulgue un dispositif de fixation dans lequel une frette est emmanchée autour d'une bague en déformant de la matière sous le col du récipient. US-4773553 discloses a fixing device wherein a hoop is fitted around a ring by deforming the material in the container neck.

Pour obtenir une opération de montage simple et peu coûteuse, il faut que l'encliquetage de la bague et l'emmanchement de la frette se fassent mécaniquement sur une seule et même unité de montage. For a simple and inexpensive mounting operation, it is necessary that the latching of the ring and the fitting of the ferrule to make mechanically on a single mounting unit. Ainsi, en exerçant une force suffisante sur la frette, on obtient l'encliquetage de la bague sur le col du récipient, et l'emmanchement de la frette sur la bague. Thus, by exerting a sufficient force on the collar, one obtains the locking of the ring on the container neck, and the fit of the hoop on the ring.

Les dispositifs actuels présentent certains inconvénients. Current devices have certain drawbacks. Ainsi, lorsque la force exercée sur la frette n'est pas parfaitement répartie sur sa périphérie, il existe le risque que lors de l'emmanchement de ladite frette, celle-ci soit forcée hors de sa position verticale et vienne s'emmancher de travers sur la bague de fixation, empêchant un montage correct de l'ensemble. Thus, when the force exerted on the band is not perfectly distributed over the periphery, there is a risk that during the fitting of said band, the latter is forced out of its vertical position and come to be fitted through on the fixing ring, preventing proper installation of the assembly.

La présente invention a pour but d'éviter cet inconvénient en fournissant une bague de fixation assurant un emmanchement effectif et sûr de ladite frette. The present invention aims to avoid this drawback by providing a fixing ring ensuring effective and safe fitting of said hoop.

Un objet de l'invention est donc un bague de fixation d'un organe de distribution sur un col d'un récipient contenant du produit à distribuer, ladite bague de fixation étant annulaire et comprenant une partie inférieure et une partie supérieure, la partie inférieure comportant des moyens de fixation sur ledit col et la partie supérieure comportant une ouverture pour l'organe de distribution et des moyens pour maintenir fixement ledit organe sur ledit col, dans laquelle ladite partie supérieure comporte en outre au moins un élément de paroi de guidage s'étendant verticalement dans la direction de l'axe longitudinal de l'organe de distribution sur la périphérie de ladite bague de fixation sensiblement en prolongement desdits moyens de fixation de ladite partie inférieure. An object of the invention is a ring for fixing a dispenser member on a neck of a container of product to be dispensed, said fixing ring being annular and comprising a bottom portion and an upper portion, the lower portion having means for fixing to said neck and the upper part having an opening for the dispenser member and means for fixedly holding said member on said neck, wherein said upper portion further comprises at least one guide wall element s extending vertically in the direction of the longitudinal axis of the dispensing member on the periphery of said fixing ring substantially in the extension of said fixing means of said bottom portion.

Selon un mode de réalisation préféré de la bague, lesdits moyens de fixation sont des moyens d'encliquetage, avantageusement réalisés sous forme de pattes. According to a preferred embodiment of the ring, said fastening means are latching means, preferably in the form of tabs.

Avantageusement, lesdits éléments de parois de guidage forment une couronne annulaire de guidage continue. Advantageously, said guide wall elements form a continuous guiding annular crown.

Une bague de fixation réalisée selon l'invention présente en outre l'avantage de permettre un prémontage de la frette sur la bague de fixation. A fixing ring produced according to the invention has the further advantage of allowing pre-assembly of the hoop on the fastener ring. Ainsi, la frette est disposée sur ladite bague autour desdits éléments de paroi de guidage avant d'être livrée au client. Thus, the hoop is disposed on said ring about said guide wall elements before being delivered to the customer. Celui-ci n'a plus alors qu'à remplir le récipient avec le produit de son choix et disposer l'ensemble formé de l'organe de distribution, la bague de fixation et la frette dans l'unité de montage. It then has only to fill the container with the product of choice and disposing the assembly formed by the dispensing member, the fixing ring and the collar in the mounting unit.

Les éléments de parois de guidage empêchent efficacement une éventuelle séparation de la frette et de la bague de fixation lors de la livraison, en raison des vibrations du transport, et assure un positionnement correct de ladite frette en vue de son emmanchement. The guide wall members effectively prevent any separation of the hoop and the fastener ring on delivery, due to vibration of the carriage, and ensures correct positioning of the hoop with a view to fitting.

Avantageusement, les éléments de parois de guidage ont donc un diamètre extérieur environ égal au diamètre intérieur de la frette, permettant une mise en place de ladite frette par coulissement avec frottement, ledit frottement empêchant une séparation trop aisée. Advantageously, the guide wall members thus have an outer diameter approximately equal to the inner diameter of the ferrule, allowing introduction of said band by sliding with friction, said friction preventing too easy separation.

L'invention a donc également pour objet un dispositif de fixation d'un organe de distribution sur un col d'un récipient contenant du produit à distribuer, comportant une bague de fixation annulaire munie de moyens d'encliquetage destinés à s'encliqueter sur ledit col du récipient et une frette annulaire dont le diamètre intérieur est sensiblement égal au diamètre extérieur de la bague de fixation et qui vient s'emmancher à force sur ladite bague de fixation pour empêcher l'écartement desdits moyens d'encliquetage, dans lequel ladite bague de fixation comprend une partie inférieure et une partie supérieure, la partie inférieure comportant lesdits moyens d'encliquetage sur ledit col et la partie supérieure comportant une ouverture pour l'organe de distribution et des moyens pour le maintenir fixement sur ledit col, ladite partie supérieure comportant en outre au moins un élément de paroi de guidage s'étendant verticalement dans la direction de l'axe longitudinal de The invention therefore also relates to a fastening a dispenser member device to a neck of a container of product to be dispensed comprising an annular fixing ring provided with snap means for snap-fastening on said neck of the container and an annular hoop whose inside diameter is substantially equal to the outer diameter of the fixing ring and which is press-fit on said fixing ring to prevent the spacing of said latching means, wherein said ring attachment comprises a lower part and an upper part, the lower part comprising said locking means on said collar and the upper portion having an opening for the dispenser member and means for keeping the fixedly on said neck, said upper portion further comprising at least one guide wall element extending vertically in the direction of the longitudinal axis l'organe de distribution sur la périphérie de ladite bague de fixation sensiblement en prolongement desdits moyens d'encliquetage de ladite partie inférieure. the dispensing member on the periphery of said fixing ring substantially in the extension of said catch means of said lower portion.

Pour obtenir un montage effectif de la bague de fixation et de la frette sur une même unité de montage, il est indispensable que la fixation de la bague sur le col du récipient soit réalisée avant que la frette ne soit emmanchée sur ladite bague. For an effective mounting of the fixing ring and the ring on the same mounting unit, it is essential that the attachment of the ring on the container neck is carried out before that the hoop is fitted onto said ring.

Généralement, ce problème est résolu en prévoyant un frottement entre la bague et la frette supérieur à la résistance à l'encliquetage de la bague sur le col du récipient. Generally, this problem is solved by providing a friction between the ring and the band higher than the resistance of the snap ring on the container neck.

En exerçant une force suffisante sur la frette, on obtient donc d'abord l'encliquetage de la bague sur le col du récipient, puis l'emmanchement de la frette sur la bague. By exerting a sufficient force on the hoop, so we obtain first the latching of the ring on the container neck, and the fit of the hoop on the ring. Cette technique présente l'inconvénient que les dimensions relatives de la bague et de la frette doivent être parfaitement définies pour fournir toujours le même frottement entre elles. This technique has the disadvantage that the relative dimensions of the ring and the collar must be fully defined to always provide the same friction between them.

Lorsque, en raison de leur fabrication, les dimensions varient légèrement, le montage ne peut plus s'effectuer correctement. When, due to their manufacture, dimensions vary slightly, the assembly can not be performed properly. Il est en effet indispensable que l'encliquetage de la bague se fasse avant l'emmanchement de la frette, ce qui n'est pas réalisé si la résistance à l'encliquetage devient trop forte ou si le frottement entre la bague et la frette, est trop faible. It is indeed essential that the snapping of the ring occurs before the fitting of the band, which is not performed if the resistance to snap becomes too strong or if the friction between the ring and the collar, is too low.

Selon un système connu, on prévoit sur la circonférence externe de la bague à encliquetage, un ou plusieurs ergots saillants sur lesquels vient s'appuyer la frette et au moyen desquels celle-ci encliquette d'abord la bague sur le récipient avant de casser ou déformer lesdits ergots sous l'effet d'une pression plus forte, pour venir s'emmancher autour de ladite bague. According to a known system is provided on the outer circumference of the ratchet ring, one or more projecting studs on which abuts the collar and by means of which it first engages the ring on the container before breaking or deforming said lugs under the effect of a higher pressure to come be fitted around said ring. Le problème des tolérances de dimensions est ainsi résolu mais de telles bagues peuvent être difficiles à mouler et ainsi augmenter le coût du dispositif. The dimensional tolerances of the problem is thus solved but such rings can be difficult to mold and increase the cost of the device.

La présente invention a pour but d'éviter ces inconvénients en fournissant une bague d'encliquetage et une frette faciles à mouler, pouvant être assemblées sur une même unité de montage et assurant un montage effectif indépendamment des tolérances de dimensions, ce qui permet de réduire sensiblement les coûts de fabrication du distributeur de produit. The present invention aims to avoid these drawbacks by providing a snap ring and a hoop easily molded, can be assembled on a single assembly unit and ensuring effective mounting independently of dimensional tolerances, which reduces substantially the manufacturing costs of the dispenser.

La présente invention a donc pour objet un dispositif de fixation d'un organe de distribution sur un col d'un récipient contenant du produit à distribuer, comportant une bague de fixation annulaire munie de moyens d'encliquetage destinés à s'encliqueter sur ledit col du récipient et une frette annulaire ayant au moins une partie dont le diamètre intérieur est sensiblement égal au diamètre extérieur de la bague de fixation et qui vient s'emmancher à force sur ladite bague de fixation pour empêcher l'écartement desdits moyens d'encliquetage, ladite bague de fixation comprenant une partie inférieure et une partie supérieure, la partie inférieure comportant lesdits moyens d'encliquetage sur ledit col et la partie supérieure comportant une ouverture pour l'organe de distribution et des moyens pour le maintenir fixement sur ledit col, ladite partie supérieure comportant en outre au moins un élément de paroi de guidage s'étendant verticalement dans la direction de l'axe The present invention therefore relates to a device for fixing a dispenser member on a neck of a container of product to be dispensed comprising an annular fixing ring provided with snap means for snap onto said neck the container and an annular band having at least a part whose inner diameter is substantially equal to the outer diameter of the fixing ring and which is press-fit on said fixing ring to prevent the spacing of said latching means, said fixing ring comprising a bottom part and an upper part, the lower part comprising said locking means on said collar and the upper portion having an opening for the dispenser member and means for keeping the fixedly on said neck, said upper portion further comprising at least one guide wall element extending vertically in the direction of the axis longitudinal de l'organe de distribution sur la périphérie de ladite bague de fixation sensiblement en prolongement desdits moyens d'encliquetage de ladite partie inférieure, dans lequel ladite frette comporte sur la face interne de sa paroi latérale au moins un relief s'étendant verticalement sur au moins une partie de la hauteur de ladite paroi latérale, le diamètre intérieur de ladite frette au niveau dudit au moins un relief étant légèrement inférieur au diamètre extérieur de ladite bague de fixation. longitudinal of the dispensing member on the periphery of said fixing ring substantially in the extension of said catch means of said lower portion, wherein said wrap comprises on the inner face of its side wall at least one projection extending vertically on at least a portion of the height of said side wall, the inside diameter of said hoop at said at least one projection being slightly less than the outside diameter of said fixing ring. Avantageusement, ledit au moins un relief est un godron ou une nervure. Advantageously, said at least one relief is an godron or rib.

Ainsi, la frette peut être préengagée sur la paroi de guidage de la bague de fixation pour la livraison, ledit au moins un relief reposant avec son extrémité inférieure sur l'extrémité supérieure de la paroi de guidage, de sorte que lors du montage, ledit relief pousse sur ladite paroi de guidage de la bague, et l'ensemble bague plus frette est d'abord encliqueté sur le col du récipient, avant que la frette ne vienne s'emmancher sur ladite bague. Thus, the hoop may be préengagée on the guide wall of the fastening ring for delivery, said at least one relief resting with its lower end on the upper end of the guide wall, so that during assembly, said terrain grows on said guide wall of the ring, and the entire ring more hoop is first snapped onto the container neck before the hoop does not come fit over said ring.

Avantageusement, ladite frette comporte une pluralité de reliefs répartis régulièrement autour de la face interne de la paroi latérale de ladite frette. Advantageously, said hoop comprises a plurality of reliefs regularly distributed around the inner face of the side wall of said hoop.

Eventuellement, ledit relief peut être constitué d'un épaulement annulaire s'étendant horizontalement sur toute la circonférence de la frette. Optionally, said relief may consist of an annular shoulder extending horizontally around the entire circumference of the hoop.

De préférence, ladite frette est réalisée en un matériau plus dur que celui de la bague de fixation. Preferably, the hoop is made of a material harder than that of the fixing ring. Avantageusement, ladite frette est métallique et ladite bague de fixation est en matière plastique. Advantageously, said hoop is metallic and said fixing ring is made of plastic.

Avantageusement, ledit au moins un relief s'étend verticalement à partir de l'extrémité supérieure de ladite frette jusqu'à un point situé au-delà de la moitié de la hauteur de ladite frette. Advantageously, said at least one projection extends vertically from the upper end of said hoop to a point beyond half the height of said hoop.

Selon un autre mode de réalisation de l'invention, il est fourni un dispositif de fixation d'un organe de distribution sur un col d'un récipient contenant du produit à distribuer, comportant une bague de fixation annulaire munie de moyens d'encliquetage destinés à s'encliqueter sur ledit col du récipient et une frette annulaire ayant au moins une partie dont le diamètre intérieur est sensiblement égal au diamètre extérieur de la bague de fixation et qui vient s'emmancher à force sur ladite bague de fixation pour empêcher l'écartement desdits moyens d'encliquetage, ladite bague de fixation comprenant une partie inférieure et une partie supérieure, la partie inférieure comportant lesdits moyens d'encliquetage sur ledit col et la partie supérieure comportant une ouverture pour l'organe de distribution et des moyens pour le maintenir fixement sur ledit col, ladite partie supérieure comportant en outre au moins un élément de paroi de guidage s'étendant verticalement da According to another embodiment of the invention, there is provided a fastening a dispenser member device to a neck of a container of product to be dispensed comprising an annular fixing ring provided with snap means for to snap on said container neck and an annular collar having at least a part whose inner diameter is substantially equal to the outer diameter of the fixing ring and which is press-fit on said fixing ring to prevent the spacing of said latching means, said fixing ring comprising a bottom part and an upper part, the lower part comprising said locking means on said collar and the upper portion having an opening for the dispenser member and means for maintain fixedly on said neck, said upper portion further comprising at least one guide wall element extending vertically da ns la direction de l'axe longitudinal de l'organe de distribution sur la périphérie de ladite bague de fixation sensiblement en prolongement desdits moyens d'encliquetage de ladite partie inférieure, dans lequel ladite frette comporte sur la face interne de sa paroi latérale au moins un relief s'étendant de manière oblique sur au moins une partie de la hauteur de ladite paroi latérale, le diamètre intérieur de ladite frette au niveau dudit au moins un relief étant légèrement inférieur au diamètre extérieur de ladite bague de fixation. ns the direction of the longitudinal axis of the dispenser member on the periphery of said fixing ring substantially in the extension of said catch means of said lower portion, wherein said wrap comprises on the inner face of its side wall at least a relief extending obliquely over at least a part of the height of said side wall, the inside diameter of said hoop at said at least one projection being slightly less than the outside diameter of said fixing ring. Avantageusement, ledit au moins un relief est réalisé sous la forme d'un godron ou d'une nervure. Advantageously, said at least one projection is designed as a godron or rib. Cette mise en oeuvre de la frette permet avantageusement une séparation par dévissage de la frette, généralement métallique, de la bague de fixation, généralement en matière plastique. This implementation of the hoop advantageously allows separation by unscrewing the hoop, usually metal, to the mounting ring, generally made of plastic. Ceci présente notamment un grand intérêt concernant le recyclage sélectif des éléments constitutifs du distributeur de produit. This has particularly great interest for selective recycling of the components of the dispenser.

La présente invention a en outre pour objet un procédé de fixation d'un organe de distribution sur le col d'un récipient contenant du produit à distribuer comportant les étapes suivantes : The present invention further relates to a method of fixing a dispenser member to the neck of a container of product to be dispensed comprising the steps of:

  • disposer sur ledit organe de distribution une bague de fixation annulaire munie d'un côté de moyens d'encliquetage et du côté opposé d'une paroi de guidage s'étendant en prolongement desdits moyens d'encliquetage dans le sens de l'axe longitudinal de ladite bague de fixation, disposing on said dispensing member an annular fixing ring provided with a side of latching means and the opposite side of a guide wall extending in prolongation of said latching means in the direction of the longitudinal axis of said fastening ring,
  • préengager sur la paroi de guidage de ladite bague de fixation une frette annulaire de diamètre intérieur sensiblement égal au diamètre extérieur de la bague de fixation, precommit on the guide wall of said fixing ring an annular band of inside diameter substantially equal to the outer diameter of the fastening ring,
  • placer ledit ensemble comprenant ledit organe de distribution, ladite bague de fixation et ladite frette sur ledit col dudit récipient, placing said assembly comprising said dispenser member, said fixing ring, and said hoop on said neck of said container,
  • exercer une première force F1 sur la frette qui appuie sur la paroi de guidage de ladite bague de fixation et pousse ladite bague de fixation sur ledit col du récipient, lesdits moyens d'encliquetage s'écartant sous l'effet de la force F1 avant de s'encliqueter sur ledit col du récipient, et exerting a first force F1 on the hoop which bears on the guide wall of said fixing ring and urges said fixing ring onto said neck of the container, said detent means away under the effect of the force F1 prior to snap onto said neck of the container, and
  • exercer une seconde force F2 supérieure à la première force F1 sur la frette, ladite seconde force F2 étant suffisante pour emmancher à force ladite frette sur ladite bague de fixation, ladite frette empêchant ainsi l'écartement des moyens d'encliquetage de la bague de fixation. exerting a second force F2 greater than the first force F1 on the hoop, said second force F2 being sufficient to press fitting said ring on said fixing ring, said hoop thus preventing the separation of the latching means of the securing ring .

La présente invention a également pour objet un procédé de fixation d'un organe de distribution sur le col d'un récipient contenant du produit à distribuer comportant les étapes suivantes : The present invention also relates to a method of fixing a dispenser member to the neck of a container of product to be dispensed comprising the steps of:

  • disposer sur ledit organe de distribution une bague de fixation annulaire munie d'un côté de moyens d'encliquetage et du côté opposé d'une paroi de guidage s'étendant en prolongement desdits moyens d'encliquetage dans le sens de l'axe longitudinal de ladite bague de fixation, disposing on said dispensing member an annular fixing ring provided with a side of latching means and the opposite side of a guide wall extending in prolongation of said latching means in the direction of the longitudinal axis of said fastening ring,
  • préengager sur la paroi de guidage de ladite bague de fixation une frette annulaire ayant au moins une partie de diamètre intérieur sensiblement égale au diamètre extérieur de la bague de fixation et pourvue, sur la face interne de sa paroi latérale, d'au moins un relief s'étendant sur au moins une partie de la hauteur de ladite paroi latérale, le diamètre intérieur de la frette au niveau dudit au moins un relief étant légèrement inférieur au diamètre extérieur de ladite bague de fixation, ladite frette étant préengagée sur ladite paroi de guidage jusqu'à ce que l'extrémité inférieure dudit au moins un relief de ladite frette viennent s'appuyer sur l'extrémité supérieure de ladite paroi de guidage de ladite bague de fixation, precommit on the guide wall of said fixing ring an annular band having at least a portion of inner diameter substantially equal to the outer diameter of the fixing ring and provided on the inner face of its side wall, at least one relief extending over at least a portion of the height of said side wall, the inside diameter of the hoop at said at least one projection being slightly less than the outside diameter of said fixing ring, said hoop being préengagée on said guide wall until the lower end of said at least one projection of said hoop are seated on the upper end of said guide wall of said fixing ring,
  • placer ledit ensemble comprenant ledit organe de distribution, ladite bague de fixation et ladite frette sur ledit col dudit récipient, placing said assembly comprising said dispenser member, said fixing ring, and said hoop on said neck of said container,
  • exercer une première force F1 sur la frette qui appuie sur la paroi de guidage de ladite bague de fixation par l'intermédiaire de ladite extrémité inférieure du au moins un relief et pousse ladite bague de fixation sur ledit col du récipient, lesdits moyens d'encliquetage s'écartant sous l'effet de la force F1 avant de s'encliqueter sur ledit col du récipient, et exerting a first force F1 on the hoop which bears on the guide wall of said fixing ring via said bottom end of at least one projection and pushes said fixing ring onto said neck of the container, said detent means away under the effect of the force F1 prior to snap onto said neck of the container, and
  • exercer une seconde force F2 supérieure à la première force F1 sur la frette, ladite seconde force F2 étant suffisante pour emmancher à force ladite frette sur ladite bague de fixation, ladite frette empêchant ainsi l'écartement des moyens d'encliquetage de la bague de fixation. exerting a second force F2 greater than the first force F1 on the hoop, said second force F2 being sufficient to press fitting said ring on said fixing ring, said hoop thus preventing the separation of the latching means of the securing ring .

D'autres caractéristiques et avantages de la présente invention apparaítront au cours de la description suivante de plusieurs modes de réalisation de l'invention, donnés à titre d'exemples non limitatifs, en regard des dessins joints. Other features and advantages of the present invention will become apparent during the following description of embodiments of the invention, given as non-limiting examples in the accompanying drawings.

Sur les dessins : In the drawings:

  • la figure 1 est une vue en coupe d'une forme de réalisation d'une bague de fixation selon l'invention ; Figure 1 is a sectional view of one embodiment of a fastening ring of the invention;
  • la figure 2 est une vue en coupe d'une autre forme de réalisation d'une bague de fixation selon l'invention ; Figure 2 is a sectional view of another embodiment of a fixing ring according to the invention;
  • la figure 3 est une vue en coupe d'un dispositif de fixation selon l'invention incorporant la bague de la figure 1 et une première forme de réalisation de la frette, le dispositif étant représenté dans la position encliquetée de la bague, avant l'emmanchement de la frette ; Figure 3 is a sectional view of a fixing device according to the invention incorporating the ring of Figure 1 and a first embodiment of the band, the device being shown in the rest position of the ring, before the fitting of the ferrule;
  • la figure 4a est une vue en coupe d'un dispositif de fixation selon l'invention incorporant la bague de la figure 1 et une seconde forme de réalisation de la frette, le dispositif étant représenté dans la position préengagée de la frette sur la bague, telle qu'utilisée pour la livraison ; 4a is a sectional view of a fixing device according to the invention incorporating the ring of Figure 1 and a second embodiment of the band, the device being shown in préengagée position of the hoop on the ring, as used for delivery;
  • la figure 4b est une vue du dispositif de la figure 4a après encliquetage de la bague sur le col du récipient et avant emmanchement de la frette ; Figure 4b is a view of the device of Figure 4a after latching of the ring on the container neck and prior to engagement of the ferrule;
  • la figure 4c est une vue du dispositif de la figure 4b après emmanchement de la frette ; 4c is a view of the device of Figure 4b after assembly of the ferrule;
  • les figures 5, 6 et 7 sont des représentations schématiques de trois variantes de réalisation de la face interne de la frette du dispositif des figures 4a-c ; Figures 5, 6 and 7 are schematic representations of three embodiments of the inner face of the collar of the device of Figures 4a-c;
  • la figure 8a est une vue en coupe d'un dispositif de fixation selon l'invention incorporant la bague de la figure 1 et une troisième forme de réalisation de la frette, le dispositif étant représenté dans la position encliquetée de la bague, avant l'emmanchement de la frette ; Figure 8a is a sectional view of a fixing device according to the invention incorporating the ring of Figure 1 and a third embodiment of the hoop, the device being shown in the rest position of the ring, before the fitting of the ferrule;
  • la figure 8b est une vue du dispositif de la figure 8a après emmanchement de la frette ; Figure 8b is a view of the device of Figure 8a after assembly of the ferrule;
  • les figures 9 et 10 sont des représentations schématiques de deux variantes de réalisation de la face interne de la frette du dispositif des figures 8a et 8b, et Figures 9 and 10 are schematic representations of two embodiments of the inner face of the collar of the device of Figures 8a and 8b, and
  • les figures 11 et 12 sont des représentations schématiques en coupe horizontale de deux variantes de la paroi latérale d'une frette telle qu'utilisée dans les dispositifs des figures 4a-c et 8a-b. Figures 11 and 12 are schematic horizontal section of two variants of the side wall of a collar as used in the devices of Figures 4a-c and 8a-b.

Selon un aspect de l'invention, il est fourni une bague de fixation annulaire destinée à fixer un organe de distribution sur le col d'un récipient contenant du produit à distribuer. According to one aspect of the invention, there is provided an annular fixing ring for fixing a dispenser member to the neck of a container of product to be dispensed. Deux variantes possibles d'une telle bague de fixation sont représentées sur les figures 1 et 2. Two possible variants of such a fixing ring are shown in Figures 1 and 2.

En référence à la figure 1, la bague de fixation 10 comporte une partie inférieure destinée à coopérer avec la col du récipient et une partie supérieure, destinée à coopérer avec l'organe de distribution. Referring to Figure 1, the fixing ring 10 includes a lower portion intended to cooperate with the neck of the container and an upper portion intended to cooperate with the dispensing member. La partie inférieure comporte des moyens de fixation 12, 13 sur ledit col qui peuvent être des moyens d'encliquetage. The lower part comprises fastening means 12, 13 on said collar which can be snap-fastening means. Avantageusement, ces moyens d'encliquetage sont des pattes d'encliquetage 12, de préférence réparties autour de la circonférence de la bague 10, et s'étendant, dans le sens de l'axe central de la bague 10, vers le bas sur les figures 1 et 2. Chacune de ces pattes 12 comporte avantageusement à son extrémité inférieure un ergot d'encliquetage 13 faisant saillie de la surface intérieure de la bague et pouvant s'écarter légèrement sous l'effet d'une force suffisante pour passer par dessus puis venir s'encliqueter sous le col du récipient. Advantageously, these locking means are snap-fitting lugs 12, preferably distributed around the circumference of the ring 10 and extending in the direction of the central axis of the ring 10, down on the figures 1 and 2. Each of these tabs 12 advantageously includes at its lower end a latching lug 13 projecting from the inner surface of the ring and may deviate slightly under the effect of sufficient force to pass over then to snap under the collar of the container.

La partie inférieure de la bague est reliée à la partie supérieure au niveau d'un plat 11 qui s'étend vers l'intérieur de la bague radialement par rapport à l'axe central de la bague, environ perpendiculairement auxdites pattes 12. Ledit plat 11 vient reposer soit directement sur la surface supérieure du col du récipient, ou sur un joint d'étanchéité qui peut être prévu à cet endroit, soit sur une surface complémentaire de l'organe de distribution pour assujettir celui-ci au col du récipient. The lower part of the ring is connected to the upper portion at a flat 11 which extends inwardly of the radially ring relative to the central axis of the ring, substantially perpendicularly to said legs 12. Said flat 11 comes to rest directly on the upper surface of the container neck or on a seal which may be provided at this location, either on a complementary surface of the dispensing member to secure it to the container neck.

Dans le premier cas, comme représenté sur la figure 1, le plat 11 peut se prolonger radialement à l'intérieur de la bague par une tourette 15 permettant d'assujettir fixement une partie de l'organe de distribution. In the first case, as shown in Figure 1, the dish 11 may extend radially inward of the ring by a turret 15 enabling fixedly securing a portion of the dispensing member.

Selon la variante de réalisation, c'est le plat 11 ou la tourette 15 qui définit une ouverture centrale 16 pour le passage de l'organe de distribution. According to the embodiment, the flat turret 11 or 15 which defines a central opening 16 for the passage of the dispensing member.

Selon l'invention, la partie supérieure de la bague d'encliquetage 10 comporte en outre un ou plusieurs éléments de paroi de guidage 14 s'étendant verticalement dans le sens de l'axe central de la bague vers le haut en prolongement des pattes d'encliquetage 12. Avantageusement, ces éléments de paroi de guidage peuvent former une couronne annulaire de guidage continue 14. According to the invention, the upper part of the snap ring 10 further comprises one or more guide wall portions 14 extending vertically in the direction of the central axis of the ring upwards in extension of the lugs ratchet 12. Advantageously, said guide wall elements may form a continuous annular ring of guide 14.

Selon un autre aspect de la présente invention, il est fourni un dispositif de fixation d'un organe de distribution sur le col d'un récipient contenant du produit à distribuer, ledit dispositif comportant ladite bague de fixation 10 décrite précédemment ainsi qu'une frette venant s'emmancher autour des pattes 12 de ladite bague 10 pour empêcher l'écartement desdites pattes 12, et ainsi fixer solidement ladite bague 10, et donc l'organe de distribution, sur le col du récipient. According to another aspect of the present invention, there is provided a device for fixing a dispenser member to the neck of a container of product to be dispensed, said device having said fixing ring 10 described above and a collar which fits around the legs 12 of the ring 10 to prevent the spacing of said tabs 12, thereby firmly securing said ring 10, and therefore the dispensing member on the neck of the container.

En référence à la figure 3, il est représenté partiellement un distributeur de produits comportant Un récipient 1 muni d'un col 2 et un organe de distribution 3 comprenant un corps 4 prolongé par une tête de distribution 5. Le récipient est généralement réalisé en verre ou un matériau plastique et son col est cylindrique. Referring to Figure 3, there is partially shown a product dispenser comprising a container 1 provided with a neck 2 and a distribution member 3 comprises a body 4 extended by a dispensing head 5. The container is generally made of glass or a plastic material and its neck is cylindrical. L'organe de distribution 3 est généralement une pompe ou une valve selon la nature du produit à distribuer qui peut être de consistance quelconque. The dispensing member 3 is generally a pump or a valve according to the nature of the product to be dispensed which may be of any consistency. Pour fixer l'organe de distribution sur le col 2 du récipient 1, on utilise une bague de fixation annulaire 10 telle que décrite précédemment en référence à la figure 1 qui vient se placer sur une partie supérieure 6 du corps 4 de l'organe de distribution 3. Bien entendu, on pourrait également utiliser la bague représentée sur la figure 2 ou toute autre bague similaire. For fastening the dispenser member to the neck 2 of the container 1 is used an annular fixing ring 10 as described above with reference to Figure 1 which is placed on an upper portion 6 of the body 4 of the body 3. distribution of course, one could also use the ring shown in Figure 2 or similar ring. L'organe de distribution 3 est maintenu sur ledit col 2 au moyen dudit plat 11 et de ladite tourette 15 comportant une ouverture 16 à travers laquelle passe ladite tête de distribution 5. Eventuellement, on prévoit un joint d'étanchéité 7 entre la surface supérieure du col 2 du récipient et le plat 11 de la bague de fixation 10. The dispensing member 3 is held on said neck 2 by means of said plate 11 and said turret 15 having an opening 16 through which said dispensing head 5. Optionally, there is provided a gasket 7 between the upper surface the neck 2 of the container and the plate 11 of the fixing ring 10.

Comme décrit ci-dessus, la bague de fixation ou d'encliquetage 10 comporte un ou plusieurs éléments de paroi de guidage 14 pouvant avantageusement être réalisés sous la forme d'une couronne annulaire de guidage 14. As described above, the retaining ring or snap 10 includes one or more guide wall members 14 may advantageously be made as an annular guide ring 14.

Sur cette couronne annulaire 14 vient se placer une frette annulaire 20 destinée à être emmanchée à force sur ladite bague 10 pour empêcher l'écartement des pattes d'encliquetage 12. Cette frette 20 comporte à son extrémité supérieure une ouverture 23 pour le passage d'un bouchon 30 venant se placer sur la tête 5 de l'organe de distribution 3. This annular ring 14 is placed an annular hoop 20 to be force-fitted on said ring 10 to prevent separation of the support legs 12. This ferrule 20 has at its upper end an opening 23 for the passage of a stopper 30 which is placed on the head 5 of the dispenser member 3.

De préférence, le diamètre extérieur de la couronne de guidage 14, ou le cas échéant, des éléments de paroi de guidage, est sensiblement identique au diamètre intérieur de la paroi latérale de la frette 20. Ainsi, la frette 20 peut coulisser avec frottement sur ladite couronne de guidage 14 pour venir se mettre dans sa position de prémontage, dans laquelle l'ensemble est ensuite disposé dans l'unité de montage pour l'assemblage final. Preferably, the outer diameter of the guide ring 14, or optionally, guide wall members is substantially identical to the inner diameter of the side wall of the hoop 20. Thus, the ferrule 20 can slide with friction on said guide ring 14 to place himself in its pre-assembly position, wherein the assembly is then arranged in the mounting unit for the final assembly.

Le frottement entre la couronne de guidage 14 et la frette 20 empêche une séparation de ces deux éléments lors de la livraison. The friction between the guide ring 14 and the collar 20 prevents a separation of these two elements during delivery. De plus, la couronne de guidage 14 s'étendant sensiblement en prolongement des pattes d'encliquetage 12, un emmanchement parfaitement droit de la frette 20 autour desdites pattes d'encliquetage 12 est assuré. In addition, the guide ring 14 extending substantially in extension of the latching lugs 12, a perfectly straight fitting 20 of the hoop around said latching tabs 12 is ensured.

Pour réaliser un montage et une fixation effectifs de l'organe de distribution 3 sur le col 2 du récipient 1, sur une seule unité de montage, l'emmanchement de la frette 20 ne doit pas se réaliser avant que les pattes 12 de la bague 10 se soient encliquetées sous ledit col 2. To mount and an effective fixation of the dispensing member 3 on the neck 2 of the container 1, on one assembly unit, the fitting of the ferrule 20 must not be done until the lugs 12 of the ring 10 will be snapped under said neck 2.

A cet effet, et selon un autre aspect de l'invention représenté sur les figures 4 à 12, la frette 20 comporte sur la face interne 21a de sa paroi latérale annulaire 21 au moins un relief 22, 24 s'étendant sur une partie de la hauteur de ladite paroi latérale 21. Le diamètre intérieur de la frette 20 au niveau dudit au moins un relief 22, 24 est légèrement inférieur au diamètre extérieur de la bague 10. Comme représenté sur les figures 11 et 12, ledit au moins un relief 22, 24 peut être mis en oeuvre sous la forme de nervures ou de godrons. To this end, and according to another aspect of the invention shown in Figures 4-12, the band 20 has on the inner face 21a of the annular side wall 21 at least one projection 22, 24 extending over part of the height of said lateral wall 21. the inner diameter of the hoop 20 at said at least one projection 22, 24 is slightly smaller than the outer diameter of the ring 10. As shown in figures 11 and 12, said at least one relief 22, 24 can be implemented in the form of ribs or fluted. Dans le premier cas, la surface extérieure 21b de la frette 20 reste parfaitement cylindrique, ce qui peut constituer un avantage esthétique. In the first case, the outer surface 21b of the hoop 20 remains perfectly cylindrical, which can be an aesthetic advantage.

Dans un premier mode de réalisation de la frette représenté sur les figures 4a-c 7, les reliefs 22 s'étendent verticalement sur la paroi latérale 21. De préférence, la frette 20 comporte une pluralité de ces reliefs 22 répartis régulièrement autour de la face interne 21a de ladite paroi latérale 21, comme visible sur les figures 5 et 6. Avantageusement, comme représenté sur la figure 5, ces reliefs 22 s'étendent à partir de l'extrémité supérieure de ladite frette 20 jusqu'à au moins la moitié de la hauteur de ladite frette 20 et sont tous identiques. In a first embodiment of the ferrule shown in Figures 4a-c 7, reliefs 22 extend vertically on the side wall 21. Preferably, the band 20 comprises a plurality of such patterns 22 regularly distributed around the face 21a internal of said side wall 21 as seen in figures 5 and 6. Advantageously, as shown in Figure 5, these reliefs 22 extend from the upper end of the hoop 20 to at least half the height of the hoop 20 and are all identical. Selon un mode de réalisation de l'invention, représenté sur la figure 7, ledit relief 22 est constitué d'un épaulement annulaire s'étendant horizontalement sur toute la circonférence de la frette 20. According to one embodiment of the invention shown in Figure 7, said relief 22 is formed by an annular shoulder extending horizontally around the entire circumference of the hoop 20.

Dans un second mode de réalisation de la frette représenté sur les figures 8a-b à 10, les reliefs 24 s'étendent de manière oblique sur la paroi latérale 21. Avantageusement, ledit au moins un relief oblique 24 a une forme allongée pour former un filetage interne sur la paroi latérale annulaire 21 de la frette 20. Cette mise en oeuvre est particulièrement intéressante lorsque la bague 10 est en plastique et la frette 20 en métal. In a second embodiment of the ferrule shown in Figures 8a-b to 10, the reliefs 24 extend obliquely to the side wall 21. Advantageously, said at least one oblique raised portion 24 has an elongated shape to form a internal thread on the annular side wall 21 of the hoop 20. This implementation is particularly advantageous when the ring 10 is made of plastic and ferrule 20 of metal. En effet, la matière plastique de la bague épouse par fluage, après un laps de temps qui dépend de la dureté de ladite matière plastique, la forme dudit au moins un relief 24 de la frette 20. Indeed, the plastic ring wife creep after a period of time which depends on the hardness of said plastic material, the shape of said at least one relief 24 of the hoop 20.

Ledit relief oblique 24 formant un filetage interne sur la paroi latérale 21 de la frette 20, celle-ci peut donc facilement être retirée de ladite bague par simple dévissage lorsque le distributeur de produit n'est plus utilisé. Said oblique raised portion 24 forming an internal thread on the side wall 21 of the hoop 20, it can thus easily be removed from said ring by simply unscrewing when the dispenser is not in use. Il est donc possible de séparer les éléments en plastique des éléments en métal en vue d'un recyclage sélectif. It is therefore possible to separate the plastic parts of the metal elements for selective recycling.

Dans une première variante représentée sur la figure 9, la face interne de la paroi latérale 21 de la frette 20 comporte un seul relief 24. Avantageusement, ce relief oblique s'étend environ sur un tour complet de la circonférence de la paroi latérale 21. Il est bien clair dans ce cas que la pente dudit relief 24 est relativement faible. In a first variant shown in Figure 9, the inner face of the side wall 21 of the ferrule 20 has a single terrain 24. Advantageously, this oblique relief extends approximately over a complete turn of the circumference of the side wall 21. it is clear in this case that the slope of said relief 24 is relatively low.

Dans une seconde variante représentée sur la figure 10, la face interne de la paroi latérale annulaire de la frette est pourvue de plusieurs reliefs obliques 24 parallèles qui sont avantageusement répartis régulièrement autour de la circonférence de ladite paroi latérale. In a second variant shown in Figure 10, the inner face of the annular side wall of the hoop is provided with a plurality of oblique parallel reliefs 24 which are preferably regularly distributed around the circumference of said side wall.

Le fonctionnement du dispositif de fixation va brièvement être décrit en référence aux figures 4a-c, incorporant la frette avec des reliefs verticaux, mais il est clair que le dispositif fonctionne de manière identique avec une frette ayant un ou plusieurs reliefs obliques. The operation of the fastening device will be briefly described with reference to Figures 4a-c, the hoop incorporating with vertical reliefs, but it is clear that the device operates in an identical manner with a collar having one or more oblique reliefs.

La bague de fixation 10 est enfilée autour de la tête 5 de l'organe de distribution 3 et vient se fixer par sa tourette 15 sur la partie supérieure 6 du corps de l'organe de distribution 3. La frette 20 est alors disposée autour du ou des éléments de parois de guidage 14 formant avantageusement une couronne annulaire de ladite bague de fixation 10 et vient buter, par l'intermédiaire des extrémités inférieures 22a des reliefs 22, sur l'extrémité supérieure de la couronne annulaire 14 de la bague de fixation 10. L'ensemble constitué de l'organe de distribution 3, de la bague 10 et de la frette 20 est ainsi dans sa position préengagée représentée sur la figure 4a, dans lequel il sera livré au client. The fixing ring 10 is fitted around the head 5 of the distribution member 3 and is fixed by the turret 15 of the upper part 6 of the body of the dispenser member 3. The ferrule 20 is then disposed around the or of the guide wall members 14, advantageously forming an annular ring of said fixing ring 10 and abuts, by means of the lower ends 22a of the patterns 22 on the upper end of the annular rim 14 of the fixing ring 10. the assembly consisting of the distribution member 3, the ring 10 and the collar 20 is thus in its préengagée position shown in Figure 4a, in which it is delivered to the customer. Celui-ci n'a alors plus qu'à remplir le récipient avec le produit de son choix et de placer ledit récipient 1 et ledit ensemble 3, 10, 20 dans une unique unité de montage. This has then just fill the container with the product of choice and placing said container 1 and said assembly 3, 10, 20 in a single mounting unit.

Le corps 4 de l'organe de distribution 3 est ainsi introduit dans le col du récipient et les pattes d'encliquetage 12 viennent reposer sur le joint d'étanchéité 7 disposé sur la surface supérieure du col 2 du récipient 1. L'ensemble est ensuite disposé dans l'unité de montage où une première force de poussée F1 verticale est appliquée à la frette 20. Le diamètre intérieur de cette frette 20 au niveau des reliefs 22 étant inférieur au diamètre extérieur de la bague de fixation 10, ladite frette ne peut donc plus coulisser sur ladite bague. The body 4 of the distribution member 3 is thus introduced into the container neck and the clips 12 come to rest on the seal 7 disposed on the upper surface of the neck 2 of the container 1. The assembly is then placed in the mounting unit in which a first vertical F1 pushing force is applied to the ring 20. the inside diameter of the hoop 20 at the patterns 22 being smaller than the outer diameter of the fixing ring 10, said band not can therefore more slidable on said ring. La force F1 est donc transmise par la frette 20 à la bague de fixation 10, dont les pattes d'encliquetage 12 s'écartent sous l'effet de ladite force F1, ce qui fait coulisser ladite bague sur le col du récipient jusqu'à ce que les pattes d'encliquetage 12 viennent s'encliqueter sous ledit col 2, comme visible sur la figure 4b. The force F1 is transmitted by the band 20 to the fixing ring 10, the locking tabs 12 move apart under the effect of said force F1, which makes sliding said ring on the container neck until that the latching lugs 12 are snap under said neck 2, as shown in Figure 4b. Le corps 4 de l'organe de distribution 3 est alors mis en place fixement à l'intérieur du récipient, l'étanchéité étant assurée par le joint annulaire 7. The body 4 of the distribution member 3 is then set up in fixed manner inside the container, the seal being ensured by the annular gasket 7.

Une seconde force de poussée F2 verticale est ensuite appliquée à la frette 20. Cette seconde force F2 est supérieure à la première force F1 et est suffisante pour emmancher à force ladite frette 20 sur la bague de fixation 10 par l'intermédiaire des reliefs 22. F2 a second vertical thrust force is then applied to the ferrule 20. This second force F2 is greater than the first force F1 and is sufficient to press-fit the hoop 20 of the fastening ring 10 through reliefs 22.

Les pattes d'encliquetage 12 de la bague de fixation 10 sont alors maintenues dans leur position de verrouillage et ne peuvent plus s'écarter, ce qui assure la fixation définitive de l'organe de distribution 3 dans le récipient, comme visible sur la figure 4c. The latching tabs 12 of the fastening ring 10 are then held in their locking position and can not deviate, thus ensuring the final fixing of the dispenser member in the container 3, as shown in Figure 4c.

La différence requise entre les forces F1 et F2 dépend de l'épaisseur radiale des reliefs 22 de la frette 20. Une épaisseur radiale suffisante permet d'assurer un assemblage effectif, même si les pattes d'encliquetage 12 sont, pour des raisons de fabrication, un peu moins souples que prévu, ce qui augmente la résistance à l'encliquetage. The required difference between the forces F1 and F2 depends on the radial thickness of the patterns 22 of the hoop 20. A sufficient radial thickness ensures an effective assembly, even if the clips 12 are, for reasons of manufacturing , a bit less flexible than expected, which increases resistance to snapping.

La frette 20 étant avantageusement métallique, l'emmanchement à force de celle-ci sur la bague de fixation 10, généralement en plastique, est possible malgré le diamètre intérieur inférieur de ladite frette 20, au niveau des reliefs 22, par rapport au diamètre extérieur de ladite bague 10, lesdits reliefs 22 venant s'incruster dans la couronne de guidage annulaire 14 de la bague de fixation 10. The hoop 20 is advantageously made of metal, the press fitting thereof on the fixing ring 10, generally of plastic, is possible in spite of the inner diameter of the hoop 20 at the patterns 22 relative to the outer diameter said ring 10, said reliefs 22 from bite into the annular guide ring 14 of the fastening ring 10.

Claims (16)

  1. A fixing device for fixing a dispenser member (3) on a neck (1) of a receptacle containing a substance to be dispensed, the device including a fixing ring (10) for fixing the dispenser member (3) on said neck (1), said fixing ring (10) being annular and comprising a bottom portion and a top portion, the bottom portion including fixing means (12, 13) for fixing to said neck and the top portion including an opening (16) for the dispenser member and means (11, 15) for securing said member on said neck, the device further including an annular hoop (20) whose inside diameter is substantially equal to the outside diameter of the fixing ring (10) and which is engaged by force on said fixing ring to prevent said fixing means (12, 13) from splaying apart, the device being characterized in that said top portion of said fixing ring further includes at least one guide wall element (14) extending vertically parallel to the longitudinal axis of the dispenser member and around the periphery of said fixing ring (10) substantially in line with said fixing means of said bottom portion, said at least one guide wall element being designed to receive and hold said hoop (20) before it is engaged.
  2. A fixing device according to claim 1, wherein said fixing means of said ring are snap-fastening tabs.
  3. A fixing device according to claim 1 or claim 2, wherein said guide wall elements form a continuous guiding annular crown (14).
  4. A fixing device according to any one of claims 1 to 3, wherein said hoop (20) includes at least one projection (22) on the inside face of its side wall (21) and extending vertically over at least a fraction of the height of said side wall, the inside diameter of said hoop (20) at said at least one projection (22) being slightly less than the outside diameter of said fixing ring (10).
  5. A fixing device according to claim 4, wherein said at least one projection (22) extends vertically from the top end (23) of said hoop (20) to a point situated more than halfway down the height of said hoop.
  6. A fixing device according to claim 4 or claim 5, wherein said hoop (20) includes a plurality of projections (22) uniformly distributed around the inside face of the side wall (21) of said hoop.
  7. A fixing device according to claim 4, wherein said projection is constituted by an annular shoulder (22) extending horizontally around the entire circumference of the hoop (20).
  8. A fixing device according to any one of claims 1 to 3, wherein said hoop (20) includes at least one projection (24) on the inside face of its side wall (21), which projection extends obliquely over at least a fraction of the height of said side wall, the inside diameter of said hoop (20) at said at least one projection (24) being slightly less than the outside diameter of said fixing ring (10).
  9. A fixing device according to claim 8, wherein the inside face of the annular side wall (21) of said hoop (20) is provided with a single oblique projection (24) extending substantially over a full turn of the circumference of said annular wall (21).
  10. A fixing device according to claim 8, wherein the inside face of the annular side wall (21) of said hoop (20) is provided with a plurality of parallel oblique projections (24) distributed around its circumference.
  11. A fixing device according to any one of claims 4 to 10, wherein said at least one projection (22, 24) is an indentation.
  12. A fixing device according to any one of claims 4 to 10, wherein at least one projection (22, 24) is a rib.
  13. A fixing device according to any preceding claim, wherein said hoop (20) is made of a material that is harder than that of the fixing ring (10).
  14. A fixing device according to claim 13, wherein said hoop (20) is made of metal and said fixing ring (10) is made of a plastics material.
  15. A method of fixing a dispenser member (3) to the neck (1) of a receptacle containing a substance to be dispensed, the method comprising the following steps:
    placing an annular fixing ring (10) on said dispenser member, the annular fixing ring being provided at one end with snap-fastening means (12, 13) and at its opposite end with a guide wall (14) extending in line with said snap-fastening means parallel to the longitudinal axis of said fixing ring;
    pre-engaging an annular hoop (20) on the guide wall (14) of said fixing ring (10), the inside diameter of the hoop being substantially equal to the outside diameter of the fixing ring; and
    placing the unit comprising said dispenser member (3), said fixing ring (10), and said hoop (20) on said neck (1) of said receptacle,
    the method being characterized in that it further comprises the following steps:
    exerting a first force F1 on the hoop (20) which bears against the guide wall (14) of said fixing ring (10) and urges said fixing ring (10) onto said neck of the receptacle, said snap-fastening means (12, 13) splaying apart under the effect of the force F1 prior to snap-fastening to said neck of the receptacle; and
    exerting on said hoop (20) a second force F2 that is greater than the first force F1, said second force F2 being sufficient to cause said hoop (20) to be engaged by force on said fixing ring (10), said hoop (20) thus preventing the snap-fastening means (12,13) of the fixing ring (10) from splaying apart.
  16. A fixing method according to claim 15, wherein said annular hoop (20) is provided on the inside face of its side wall (21) with at least one projection (22, 24) extending over at least a fraction of the height of said side wall, the inside diameter of the hoop (20) at said at least one projection (22, 24) being slightly less than the outside diameter of said fixing ring (10), said hoop (20) being pre-engaged on said guide wall (14) until the bottom end (22a, 24a) of said at least one projection (22, 24) of said hoop (20) bears against the top end of said guide wall (14) of said fixing ring (10), so that during the step of exerting a first force F1 on the hoop (20), said hoop bears against the guide wall (14) of said fixing ring (10) via said bottom end (22a, 24a) of said at least one projection (22, 24) and pushes said fixing ring (10) against the neck of the receptacle, said snap-fastening means (12, 13) splaying under the effect of the force F1 prior to snap-fastening to said neck of the receptacle.
EP19950402056 1994-09-22 1995-09-12 Device and method for securing a cuplike device to a container Expired - Lifetime EP0704251B3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08311041 US5562219A (en) 1994-09-22 1994-09-22 Device for attaching a dispenser member to a receptacle
US311041 1994-09-22

Publications (4)

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EP0704251A2 true EP0704251A2 (en) 1996-04-03
EP0704251A3 true EP0704251A3 (en) 1996-09-25
EP0704251B1 true EP0704251B1 (en) 2002-04-10
EP0704251B3 EP0704251B3 (en) 2015-05-20

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Family Applications (1)

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EP19950402056 Expired - Lifetime EP0704251B3 (en) 1994-09-22 1995-09-12 Device and method for securing a cuplike device to a container

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US (6) US5562219A (en)
EP (1) EP0704251B3 (en)
JP (1) JP3536266B2 (en)
DE (2) DE69526296T2 (en)
ES (1) ES2174908T7 (en)

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Publication number Publication date Type
EP0704251A3 (en) 1996-09-25 application
EP0704251B3 (en) 2015-05-20 grant
EP0704251A2 (en) 1996-04-03 application
USRE42553E1 (en) 2011-07-19 grant
ES2174908T3 (en) 2002-11-16 grant
US6543648B2 (en) 2003-04-08 grant
DE69526296D1 (en) 2002-05-16 grant
DE69526296T2 (en) 2002-12-12 grant
US5562219A (en) 1996-10-08 grant
ES2174908T7 (en) 2015-07-15 grant
US20020125270A1 (en) 2002-09-12 application
JPH08207947A (en) 1996-08-13 application
US5799810A (en) 1998-09-01 grant
US6186359B1 (en) 2001-02-13 grant
US6409049B1 (en) 2002-06-25 grant
JP3536266B2 (en) 2004-06-07 grant

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