EP1385757B1 - Fixing device for fixing a dispensing member to the neck of a container - Google Patents

Fixing device for fixing a dispensing member to the neck of a container Download PDF

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Publication number
EP1385757B1
EP1385757B1 EP20020730331 EP02730331A EP1385757B1 EP 1385757 B1 EP1385757 B1 EP 1385757B1 EP 20020730331 EP20020730331 EP 20020730331 EP 02730331 A EP02730331 A EP 02730331A EP 1385757 B1 EP1385757 B1 EP 1385757B1
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EP
European Patent Office
Prior art keywords
skirt
fixing
area
wall
hoop
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
EP20020730331
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German (de)
French (fr)
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EP1385757A1 (en
Inventor
Olivier De Pous
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar France SAS
Original Assignee
Valois SAS
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Publication date
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Publication of EP1385757A1 publication Critical patent/EP1385757A1/en
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Publication of EP1385757B1 publication Critical patent/EP1385757B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1049—Attachment arrangements comprising a deformable or resilient ferrule clamped or locked onto the neck of the container by displacing, e.g. sliding, a sleeve surrounding the ferrule
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38—Details of the container body

Definitions

  • the present invention relates to a fixing device for fixing a dispensing member on a container neck defining an external wall.
  • This type of fastening device frequently used in the field of perfumery, cosmetics or even pharmacy, generally includes a fixing ring forming receiving means intended to maintain a dispensing member such as a pump or a valve, and a skirt whose wall internal is intended to come into engagement with the external wall of the container neck.
  • a commonly used technique is to provide the inner wall of the skirt with one or more attachment profiles which are housed under a shoulder formed by the external wall of the neck. These attachment profiles can be in the form of snap heads arranged at the end bottom of separate legs: in this case, the skirt is split to form the legs with snap heads at their lower end.
  • the latching profiles can be in the form of a continuous internal peripheral cord which projects inwards onto the wall internal of the skirt.
  • This cord like the snap heads, must when mounting the ring on the container neck, pass over a thickened edge or reinforced with the collar below which the shoulder with which the cord is formed or the heads cooperate. Consequently, the skirt momentarily undergoes (during the passage of the thickened edge) a radial deformation towards the outside which increases its outer diameter.
  • this kind of fixing device also includes a covering band which covers the ring, and more particularly the skirt, for an aesthetic purpose, but sometimes also functional. This is particularly the case when the skirt is made with separate legs forming heads internal latching.
  • the fret which covers the skirt then serves as a means locking device to lock the latching heads under the edge shoulder thickened neck.
  • the skirt is also locally and momentarily deformed radially towards the exterior when the reinforced edge passes. Therefore, it is also not possible to mount a cover band on the ring: indeed, in most cases, the cover band is mounted on the ring, and more particularly on its skirt, by a radial tightening coming from the tightening contact between the internal wall of the hoop and the outer wall of the ring. Therefore, the slightest deformation of the outer wall of the skirt has the effect of deforming the hoop which is in tight contact with the skirt. Therefore, it is not possible to pre-mount the hoop on the ring before mounting the ring on the collar, even with the continuous cord technique. We can however notice that the fret of dressing does not fulfill any function other than aesthetic in the fixing on the container neck with continuous self-sufficient cord technique to fix the ring on the collar.
  • the skirt is not in contact with the internal wall of the hoop, but defines on the contrary several intermediate zones distributed on the external periphery of the skirt, respectively to the right of each hanging profile, to allow a radial deformation towards the outside of the skirt in these intermediate spaces without deform or damage the pre-assembled cover band.
  • it is planned to mount the hoop on the ring before mounting the ring on the collar since the skirt can deform radially outwards in the intermediate spaces without deforming the hoop.
  • the covering hoop is in contact of the ring and more particularly of the skirt on all of its height, including at the level where the skirt is in contact with the container neck. More precisely, between each intermediate space corresponding respectively to a attachment profile of the internal wall of the skirt, the external wall of the skirt is in tight contact with the inner wall of the hoop. Therefore, even if the skirt can deform radially outwards in the intermediate spaces, the fact remains that the skirt is also deformed, even residual, at the level where the skirt is in tight contact with the hoop.
  • the object of the present invention is to remedy these drawbacks of the art aforementioned prior by defining a fastening device with cover band and fixing ring, the covering band of which does not undergo any significant deformation can cause this phenomenon of crazing, and this while ensuring a perfect fixation of the ring on the collar and of the hoop on the ring.
  • a fixing device for fixing a dispensing member on a container neck defining an external wall
  • said device comprising a covering band defining an internal wall, and a fixing ring forming receiving means intended to maintain the dispensing member and a skirt defining an internal wall, a wall external and a free lower end, said skirt further defining a first attachment zone at which its internal wall is intended to come into engagement with the external wall of the neck and a second attachment zone at the level of which its outer wall is in tight engagement with the inner wall of the cover band, characterized in that the second attachment zone is located only below the first attachment zone, substantially at the level of the lower end of the skirt.
  • an intermediate free space is formed between the skirt and the hoop at the level of the first fixing zone.
  • said space intermediate extends over the entire height of the skirt except at the level of the second attachment zone.
  • the covering band is not in tight contact with the ring only at the second attachment zone which is located at the level of the free lower end of the skirt.
  • this lower end of the skirt is free, it has less rigidity and maintaining that its upper end connected to other parts of the ring. From this done, this lower end is more easily deformable when tightening radial with the inner wall of the hoop.
  • the attachment of the hoop on the skirt is only done at the end of assembly, since the second zone is located at the lower end of the skirt.
  • the fret does not undergo no contact tightening elsewhere than in its area located at the level of the second attachment zone, which is advantageously placed at a height from the skirt which is most likely to be plastically deformed. So the fret does cannot be damaged by crazing, since on the most of its height it is not in contact with the ring, since separated by an intermediate free space, and that at the level where it is hung on the skirt, it is the latter which undergoes the radial deformation towards the inside to create tight contact with the hoop. This avoids any deterioration by this phenomenon of crazing.
  • the second attachment zone has a external diameter greater than that of the first attachment zone.
  • an external shoulder towards the outside connects the first zone to the second zone.
  • the outer wall of the skirt which advantageously forms the outer wall of the ring, can thus comprise two cylindrical sections advantageously circular connected by an advantageously oblique shoulder, the first cylindrical section extending over most of the height of the skirt and having a diameter less than the second section which can also be cylindrical circular and which is located at the end bottom of the skirt.
  • the second zone attachment has an internal diameter greater than that of the first zone of fixation.
  • an internal outward shoulder connects the first zone to the second zone.
  • the internal wall of the skirt at the level of the second attachment zone can serve as a guide wall to facilitate the positioning and fitting of the ring on the neck of the container.
  • the internal diameter of the ring at the second attachment zone is greater than the outside diameter of the neck so that there is no tight contact between the second attachment zone and the neck when mounting the ring on the collar.
  • the internal shoulder which is advantageously inclined, serves as convergence wall to guide the neck into the first attachment zone of the skirt.
  • the external wall of the skirt at level of the second attachment zone is provided with attachment profiles deformable against the inner wall of the hoop.
  • the inner wall of the hoop can be in localized contact with the second attachment zone at the level deformable attachment profiles.
  • the internal wall of the hoop is in continuous contact with the second attachment zone over the entire periphery.
  • the outer wall of the skirt at the second attachment zone can therefore be perfectly cylindrical circular and smooth, or be cylindrical circular but provided with a surface finish, for example in the form of horizontal or vertical ribs or stripes, which favors the attachment of the fret.
  • the internal wall of the skirt at the level of the first attachment zone is substantially cylindrical and has, before mounting on the neck, an internal diameter smaller than the external diameter of the neck, so as to make a fixing by radial tightening.
  • the wall of the skirt can be perfectly cylindrical circular and smooth.
  • the inner wall of the skirt at the level of the first fastening is provided with fastening profiles adapted to deform against the outer wall of the neck.
  • the wall internal of the skirt at the level of the first fixing zone can be provided with blocking profiles adapted to be housed under an inward shoulder formed by the outer wall of the cervix.
  • the covering hoop comprises a cylindrical body internally defining the internal wall, said body defining a lower end extending at least up to the level of the free lower end of the skirt and an upper end forming a re-entrant flap, the hoop being in contact with the ring only at the level of the second attachment zone and re-entrant flap, the intermediate space extending between the second attachment zone and the re-entrant flap. So the hoop is attached to its lower end by radial clamping and locked at its end lower by the flap returning into abutment contact on the ring. Between the two ends, the hoop is not in contact with the ring.
  • the single figure is a vertical cross section through a fixing device according to the invention mounted on a container neck.
  • the container 3, of which only the neck 30 is shown, is a container classic forming a body intended to contain fluid product surmounted by the neck 30 which projects upwards and which defines an opening through which the fluid can be removed from the container.
  • the neck 30 of the container is completely conventional: it comprises an upper end 34 advantageously provided an annular sealing ring 35.
  • the neck 30 also forms a reinforced edge or thickened 31 which projects radially outwards so as to form a lower shoulder which connects a neck portion 33 of reduced diameter.
  • the edge reinforced 31 extends from the upper wall 34 to the shoulder 33.
  • the external wall 32 at the thickened edge 31 can be perfectly cylindrical circular, but may also include one or several attachment profiles making it possible to improve the attachment of said fastening device as will be seen below.
  • the fixing device of the invention essentially comprises two constituent elements, namely a fixing ring 1 and a covering band 2.
  • the ring 1 is received inside the hoop so as to mask it at least partially.
  • the fixing ring 1 comprises receiving means intended to maintain a dispensing member such as a pump or a valve.
  • these receiving means are in the form of a sleeve latching 13 in which a part of the pump or valve body is received by snap-fastening.
  • This sleeve 13 further defines a central opening 14 through which extends the actuating rod of the pump or the valve.
  • the latching sleeve 13 defines the inner central part of the ring fixation.
  • This sleeve 13 is extended radially outwards by a plate annular 12 which can come directly into contact with the upper end 34 of the neck 30, or press a neck seal 4 on the upper end 34 of the neck 30.
  • the neck seal 4, or the plate 12 itself is strongly pressed against the sealing ring 35, and thus achieves sealing at the neck of the container.
  • the plate 12 On its outer periphery, the plate 12 is connected to a skirt 10 which extends down to define a free lower end 105.
  • a socket 11 also extends towards the top from the outer periphery of the plate 12.
  • This sleeve 11 extends in the extension of the skirt 10, and can therefore be considered as forming part of the skirt 10.
  • the sleeve 11 does not exactly extend in the extension of the wall 10, but for example slightly set back towards inside. Even in this case, we can speak of a stepped outer skirt.
  • the socket 11 therefore extends upwards by defining a free upper end 115.
  • the skirt 10 defines an outer wall 102 and an outer wall 101 in its part located below the plate 12.
  • the term external wall 102 can be also applied to the external wall of the socket 11.
  • the skirt 10 extends around from the neck 30 downwards so that its free lower end 105 is located well below the thickened edge 31, and may even, in certain cases, come into contact from the base of the neck.
  • the covering band 2 of the fixing device is preferably made made of metal, but can also be made of plastic.
  • Fret 2 comprises a cylindrical body 20 defining an internal wall 22 and a wall visible external 21.
  • the body 20 comprises a free lower end 23 and a upper end formed with a re-entrant flap 24.
  • the skirt 10 defines a first attachment zone 103 to the level of which the internal wall 101 of the skirt 10 comes into contact with the wall outer 32 of the neck 30.
  • the skirt 10 also includes a second zone attachment 104 at which the outer wall 102 of the skirt 10 comes in tight contact with the internal wall 22 of the hoop 2.
  • the second zone attachment 104 is located below the first attachment zone 103, when the fastening device is held in a vertical position as shown in the single figure with the free lower end 105 of the skirt 10 pointing towards the low.
  • the second attachment zone 104 is located in below the thickened edge 31, and even below the shoulder 320.
  • the first attachment zone 103 it advantageously extends over the height of the thickened edge 31, and preferably below the shoulder 320.
  • the second attachment zone 104 is located just above the free lower end 105 of the skirt: because of its position, the second attachment zone 104 has good deformability characteristics, which are in any case better than those of the skirt for example at the level of the plate 12 which stiffens and strengthens the skirt and reduces its deformability.
  • This second area attachment 104 is in tight contact with the internal wall 22 of the hoop 2, advantageously near its lower end 23. This end lower 23 can for example be located at the same level or slightly in below the lower end 105 of the skirt 10.
  • the outer wall of the zone attachment 104 may be cylindrical, advantageously circular, and have a smooth surface or provided with attachment profiles in the form of horizontal or vertical ribs more or less close together, for the purpose improve the attachment of the hoop. Because of its position at the end free lower 105 of the skirt 10, the attachment zone is easily deformable, so that the tight grip in hoop 2 does not generate significant deformation of the hoop, thus avoiding any phenomenon of deterioration by crazing.
  • the internal wall of the attachment zone 104 advantageously has a diameter greater than the diameter of the thickened edge 31 of the neck so that it does not there can be no tight contact with the collar at the hooking area 104.
  • the internal wall of the attachment zone 104 can serve as guide and insertion wall to facilitate the positioning of the ring on the container neck.
  • a free space intermediate 201 is formed between the skirt 10 and the hoop 2 at the level of the first fixing zone 103.
  • this intermediate space 201 extends over the entire height of the skirt, advantageously even at the level of the socket 11, except at the level of the second latching 104.
  • this intermediate space 201 extends at least at the level of the first zone of fixing 103.
  • the first zone of binding 103 has an outer diameter smaller than that of the second 104.
  • the skirt can advantageously have the same diameter than that of the first attachment zone 103 over its entire height except of the attachment zone 104.
  • the space intermediate 201 extends in the form of a perfectly cylindrical annular between the cylindrical body 20 of the hoop 2 and the cylindrical outer wall 102 of the skirt above the attachment zone 104.
  • the first attachment zone 103 is connected to the second attachment zone 10 4 by an external shoulder 106 which flares outward and downward.
  • the lower end 23 of the body 20 of the hoop 2 is first engaged on the skirt part formed by the socket 11 which has an outer diameter smaller than the inner diameter of the fret. There is consequently a tight contact between the hoop and the ring up to the level of the external shoulder 106. From this external shoulder 106, the hoop 2 begins to engage on the attachment zone 104, and it is necessary so a certain pushing force to engage the hoop on this area attachment 104. A tight contact is thus made at this level. The commitment of the hoop 2 on the ring 1 continues until the re-entrant flap 24 of the hoop comes into contact with the upper end 115 of the sleeve 11.
  • the hoop 2 is thus in contact with the ring only at the level of the attachment zone 104 where a radial tightening contact is made and at its re-entrant flap 24 resting on the sleeve 11. Between these two contact points, the hoop 2 is not in contact with the ring, but on the contrary defines the intermediate space 201.
  • the hoop 2 during its mounting on the ring 1 has not undergone a constraint only at its lower end 23 and nowhere else: in Indeed, most of the body 20 of the hoop 2 has never been in contact with the ring 1. It is therefore strictly impossible for the hoop 2 to be damaged by a phenomenon of crazing at the level where it is not in contact with the ring. In in addition, due to the good deformability characteristics of the area hooking from its position near the lower end of the skirt, avoiding excessive deformation of the hoop.
  • the intermediate space 201 has the function of allowing the deformation of the external wall 102 of the skirt 10 at the level of the first fixing zone 103 without damaging the hoop 2.
  • this fixing system of the invention it is planned to mount the hoop 2 on the ring 1 before mounting the ring 1 on the neck 30 of the container. Therefore, it is necessary to spare this intermediate space between the hoop and the ring to allow the ring to deform on the neck of the container.
  • the internal wall 101 of the skirt can for example be provided, at the level of its fixing zone 103, of a snap-in cord 108 which projects radially inward, and which is housed below the shoulder 320 of the neck 30.
  • a snap-in cord 108 which projects radially inward, and which is housed below the shoulder 320 of the neck 30.
  • the cord 108 is located at the level of the zone of attachment 103, just above the internal shoulder 107.
  • the cord 108 can be deform radially outward in the intermediate space 101 during passage of the thickened edge 31 to come to be housed under the shoulder 320.
  • the internal wall 101 of the skirt 10 at level of the attachment zone 103 can come into tight radial contact with the outer wall 32 at the thickened edge 35.
  • the inner wall 101 can be made in a perfectly smooth circular cylindrical fashion, or even with fastening profiles, for example in the form of vertical ribs or more or less spaced apart. With such radial tightening at the thickened edge 35, one can do without the snap-on cord 108.
  • attachment techniques at the container neck that have need for external travel to allow their radial deformation towards outside.
  • fixing techniques which do not generate practically no radial deformation towards the outside of the external wall 102 of the skirt.
  • the intermediate space 101 is particularly advantageously, since it avoids a radial tightening of the hoop on the ring on its full height, which eliminates any risk of crazing phenomenon.
  • Hooking of the hoop by radial tightening only at the level of the lower end of the skirt leaving an intermediate space on the rest of the hoop is therefore advantageously because it eliminates the risk of crazing and that it also allows the pre-mounting of the hoop on the ring even with fixation techniques on the neck causing radial deformation towards the outside of the outer wall of the skirt.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

The invention relates to a fixing device for fixing a dispensing member to the neck (30) of a container (3) defining an external wall (32). The inventive device comprises: - an outer collar (2) that defines an internal wall (22), and a clamping ring (1) that forms receiving means (13) that are intended to hold in place the dispensing member and a skirt (10) that defines an internal wall (101), an external wall (102) and a free lower end (105). Said skirt also defines a first fixing zone (103) where the internal wall (101) thereof is intended to engage with the external wall (32) of the neck and a second anchoring zone (104) where the external wall thereof (102) is clamped to the internal wall (22) of the outer collar. Said device is characterised in that the second anchoring zone (104) is disposed below the first fixing zone (103) more or less at the lower end (105) of the skirt.

Description

La présente invention concerne un dispositif de fixation pour fixer un organe de distribution sur un col de récipient définissant une paroi externe. Ce genre de dispositif de fixation, fréquemment utilisé dans le domaine de la parfumerie, de la cosmétique ou encore de la pharmacie, comprend en général une bague de fixation formant des moyens de réception destinés à maintenir un organe de distribution tel qu'une pompe ou une valve, et une jupe dont la paroi interne est destinée à venir en prise avec la paroi externe du col de récipient. Une technique couramment utilisée consiste à pourvoir la paroi interne de la jupe avec un ou plusieurs profils d'accrochage qui viennent se loger sous un épaulement formé par la paroi externe du col. Ces profils d'accrochage peuvent se présenter sous la forme de têtes d'encliquetage disposées à l'extrémité inférieure de pattes séparées : dans ce cas, la jupe est fendue pour former les pattes avec les têtes d'encliquetage à leur extrémité inférieure. Selon une autre technique, les profils d'encliquetage peuvent se présenter sous la forme d'un cordon périphérique interne continu qui fait saillie vers l'intérieur sur la paroi interne de la jupe. Ce cordon, comme les têtes d'encliquetage, doit lors du montage de la bague sur le col du récipient, passer sur un bord épaissi ou renforcé du col en dessous duquel est formé l'épaulement avec lequel le cordon ou les têtes coopèrent. Par conséquent, la jupe subit momentanément (lors du passage du bord épaissi) une déformation radiale vers l'extérieur qui augmente son diamètre externe.The present invention relates to a fixing device for fixing a dispensing member on a container neck defining an external wall. This type of fastening device, frequently used in the field of perfumery, cosmetics or even pharmacy, generally includes a fixing ring forming receiving means intended to maintain a dispensing member such as a pump or a valve, and a skirt whose wall internal is intended to come into engagement with the external wall of the container neck. A commonly used technique is to provide the inner wall of the skirt with one or more attachment profiles which are housed under a shoulder formed by the external wall of the neck. These attachment profiles can be in the form of snap heads arranged at the end bottom of separate legs: in this case, the skirt is split to form the legs with snap heads at their lower end. According to another technical, the latching profiles can be in the form of a continuous internal peripheral cord which projects inwards onto the wall internal of the skirt. This cord, like the snap heads, must when mounting the ring on the container neck, pass over a thickened edge or reinforced with the collar below which the shoulder with which the cord is formed or the heads cooperate. Consequently, the skirt momentarily undergoes (during the passage of the thickened edge) a radial deformation towards the outside which increases its outer diameter.

D'autre part, ce genre de dispositif de fixation comprend également une frette d'habillage qui vient recouvrir la bague, et plus particulièrement la jupe, dans un but esthétique, mais parfois aussi fonctionnel. Ceci est particulièrement le cas lorsque la jupe est réalisée avec des pattes séparées formant des têtes d'encliquetage internes. La frette qui vient recouvrir la jupe sert alors de moyen de blocage pour bloquer les têtes d'encliquetage sous l'épaulement du bord épaissi du col. On the other hand, this kind of fixing device also includes a covering band which covers the ring, and more particularly the skirt, for an aesthetic purpose, but sometimes also functional. This is particularly the case when the skirt is made with separate legs forming heads internal latching. The fret which covers the skirt then serves as a means locking device to lock the latching heads under the edge shoulder thickened neck.

Il n'est pas possible de monter la frette sur la bague avant que la bague ne soit montée sur le col, puisque, comme susmentionné, les pattes subissent une déformation radiale vers l'extérieur lors du passage du bord renforcé du col. En prémontant la frette sur la bague, cette déformation radiale vers l'extérieur ne serait pas possible sans déformer ou abímer la frette d'habillage. Par conséquent, dans cette technique utilisant des pattes avec des têtes d'encliquetage, la frette est montée sur la bague seulement une fois que la bague est montée sur la col du récipient.It is not possible to mount the hoop on the ring before the ring does is mounted on the collar, since, as mentioned above, the legs undergo a radial deformation towards the outside when passing the reinforced edge of the neck. In pre-mounting the hoop on the ring, this outward radial deformation does would not be possible without distorting or damaging the trim band. Therefore, in this technique using lugs with snap heads, the hoop is mounted on the ring only once the ring is mounted on the neck of the container.

Dans l'autre technique utilisant un cordon périphérique interne, la jupe est également déformée localement et momentanément radialement vers l'extérieur lors du passage du bord renforcé. Par conséquent, il n'est pas non plus possible de monter une frette d'habillage sur la bague : en effet, dans la plupart des cas, la frette d'habillage est montée sur la bague, et plus particulièrement sur sa jupe, par un serrage radial provenant du contact serrant entre la paroi interne de la frette et la paroi externe de la bague. Par conséquent, la moindre déformation de la paroi externe de la jupe a pour effet de déformer la frette qui est en contact serrant avec la jupe. Par conséquent, il n'est pas possible de pré-monter la frette sur la bague avant le montage de la bague sur le col, même avec la technique du cordon continu. On peut toutefois remarquer que la frette d'habillage ne remplit aucune fonction autre qu'esthétique dans la fixation sur le col du récipient avec la technique du cordon continu qui se suffit à lui-même pour fixer la bague sur le col.In the other technique using an internal peripheral cord, the skirt is also locally and momentarily deformed radially towards the exterior when the reinforced edge passes. Therefore, it is also not possible to mount a cover band on the ring: indeed, in most cases, the cover band is mounted on the ring, and more particularly on its skirt, by a radial tightening coming from the tightening contact between the internal wall of the hoop and the outer wall of the ring. Therefore, the slightest deformation of the outer wall of the skirt has the effect of deforming the hoop which is in tight contact with the skirt. Therefore, it is not possible to pre-mount the hoop on the ring before mounting the ring on the collar, even with the continuous cord technique. We can however notice that the fret of dressing does not fulfill any function other than aesthetic in the fixing on the container neck with continuous self-sufficient cord technique to fix the ring on the collar.

Le problème du pré-montage de la frette sur la bague pourvue d'un cordon continu a été partiellement résolu dans le document WO 99/20401. Dans ce document, il est décrit un dispositif de fixation comprenant une frette d'habillage et une bague de fixation. La bague forme une jupe définissant une paroi interne pourvue de plusieurs profils d'accrochage localisés répartis sur la paroi interne de la jupe. Il ne s'agit donc pas d'un cordon continu. Cependant la jupe n'est pas fendue. Pour permettre à ces profils d'accrochage ponctuels de se déformer radialement vers l'extérieur lors du passage du bord épaissi du col, il est prévu des rétreints correspondants formés sur la paroi externe de la jupe. De ce fait, la jupe n'est pas en contact de la paroi interne de la frette, mais définit au contraire plusieurs zones intercalaires réparties sur la périphérie externe de la jupe, respectivement au droit de chaque profil d'accrochage, pour permettre une déformation radiale vers l'extérieur de la jupe dans ces espaces intercalaires sans déformer ou endommager la frette d'habillage pré-montée. En effet, dans ce document, il est prévu de monter la frette sur la bague avant de monter la bague sur le col étant donné que la jupe peut se déformer radialement vers l'extérieur dans les espaces intercalaires sans déformer la frette.The problem of pre-mounting the hoop on the ring provided with a continuous cord was partially resolved in document WO 99/20401. In this document describes a fixing device comprising a hoop casing and a fixing ring. The ring forms a skirt defining a internal wall provided with several localized hanging profiles distributed over the inner wall of the skirt. It is therefore not a continuous cord. However the skirt is not split. To allow these point snap profiles to deform radially outward when passing the thickened edge of the neck, it corresponding shrinkage is provided formed on the outer wall of the skirt. Of this fact, the skirt is not in contact with the internal wall of the hoop, but defines on the contrary several intermediate zones distributed on the external periphery of the skirt, respectively to the right of each hanging profile, to allow a radial deformation towards the outside of the skirt in these intermediate spaces without deform or damage the pre-assembled cover band. Indeed, in this document, it is planned to mount the hoop on the ring before mounting the ring on the collar since the skirt can deform radially outwards in the intermediate spaces without deforming the hoop.

Cependant, il est prévu dans ce document que la frette d'habillage est en contact de la bague et plus particulièrement de la jupe sur la totalité de sa hauteur, y compris au niveau où la jupe est en contact du col du récipient. Plus précisément, entre chaque espace intercalaire correspondant respectivement à un profil d'accrochage de la paroi interne de la jupe, la paroi externe de la jupe est en contact serrant avec la paroi interne de la frette. Par conséquent, même si la jupe peut se déformer radialement vers l'extérieur dans les espaces intercalaires, il n'en demeure pas moins que la jupe est également déformée, même résiduellement, au niveau où la jupe est en contact serrant avec la frette. Il s'en suit que la frette est alors légèrement déformée, ce qui conduit à un phénomène bien connu de détérioration ou d'altération de la qualité de surface de la frette d'habillage, surtout dans le cas où la frette est réalisée en métal ce qui est presque toujours le cas. Ce phénomène d'altération de la surface se manifeste sous la forme d'un écaillage connu sous le terme de faïençage. Ce phénomène de faïençage est un problème très courant et difficilement maítrisable sur les frettes d'habillage métalliques. En effet, à la moindre déformation de la frette, ce phénomène de faïençage apparaít à sa surface externe et altère évidemment son esthétique. Dans le cas du document de l'art antérieur précité, dans lequel la frette est en contact serrant sur toute la hauteur de la bague, il est inévitable que la frette est légèrement déformée du fait de ce serrage radial qui a tendance à la dilater et ainsi à faire apparaítre son phénomène de faïençage.However, it is provided in this document that the covering hoop is in contact of the ring and more particularly of the skirt on all of its height, including at the level where the skirt is in contact with the container neck. More precisely, between each intermediate space corresponding respectively to a attachment profile of the internal wall of the skirt, the external wall of the skirt is in tight contact with the inner wall of the hoop. Therefore, even if the skirt can deform radially outwards in the intermediate spaces, the fact remains that the skirt is also deformed, even residual, at the level where the skirt is in tight contact with the hoop. They follows that the hoop is then slightly deformed, which leads to a phenomenon well known deterioration or deterioration of the surface quality of the hoop of dressing, especially in the case where the hoop is made of metal which is almost always the case. This surface weathering phenomenon manifests itself under the form of flaking known as crazing. This phenomenon of crazing is a very common problem and difficult to control on the frets metal cladding. Indeed, at the slightest deformation of the hoop, this crazing phenomenon appears on its external surface and obviously alters its aesthetic. In the case of the aforementioned prior art document, in which the hoop is in tight contact over the entire height of the ring, it is inevitable that the hoop is slightly deformed due to this radial tightening which tends to dilate and thus reveal its crazing phenomenon.

La présente invention a pour but de remédier à ces inconvénients de l'art antérieur précités en définissant un dispositif de fixation à frette d'habillage et à bague de fixation dont la frette d'habillage ne subit aucune déformation sensible pouvant faire apparaítre ce phénomène de faïençage, et ceci tout en assurant une parfaite fixation de la bague sur le col et de la frette sur la bague.The object of the present invention is to remedy these drawbacks of the art aforementioned prior by defining a fastening device with cover band and fixing ring, the covering band of which does not undergo any significant deformation can cause this phenomenon of crazing, and this while ensuring a perfect fixation of the ring on the collar and of the hoop on the ring.

Ce but est atteint selon l'invention par un dispositif de fixation pour fixer un organe de distribution sur un col de récipient définissant une paroi externe, ledit dispositif comprenant une frette d'habillage définissant une paroi interne, et une bague de fixation formant des moyens de réception destinés à maintenir l'organe de distribution et une jupe définissant une paroi interne, une paroi externe et une extrémité inférieure libre, ladite jupe définissant en outre une première zone de fixation au niveau de laquelle sa paroi interne est destinée à venir en prise avec la paroi externe du col et une seconde zone d'accrochage au niveau de laquelle sa paroi externe est en prise serrante avec la paroi interne de la frette d'habillage, caractérisé en ce que la seconde zone d'accrochage est située seulement en dessous de la première zone de fixation, sensiblement au niveau de l'extrémité inférieure de la jupe.This object is achieved according to the invention by a fixing device for fixing a dispensing member on a container neck defining an external wall, said device comprising a covering band defining an internal wall, and a fixing ring forming receiving means intended to maintain the dispensing member and a skirt defining an internal wall, a wall external and a free lower end, said skirt further defining a first attachment zone at which its internal wall is intended to come into engagement with the external wall of the neck and a second attachment zone at the level of which its outer wall is in tight engagement with the inner wall of the cover band, characterized in that the second attachment zone is located only below the first attachment zone, substantially at the level of the lower end of the skirt.

Avantageusement, un espace libre intermédiaire est formé entre la jupe et la frette au niveau de la première zone de fixation. De préférence, ledit espace intermédiaire s'étend sur la totalité de la hauteur de la jupe sauf au niveau de la seconde zone d'accrochage. Ainsi, la frette d'habillage n'est en contact serrant avec la bague qu'au niveau de la seconde zone d'accrochage qui est située au niveau de l'extrémité inférieure libre de la jupe. En effet, étant donné que cette extrémité inférieure de la jupe est libre, elle présente moins de rigidité et de maintien que son extrémité supérieure reliée à d'autres parties de la bague. De ce fait, cette extrémité inférieure est plus facilement déformable lors du serrage radial avec la paroi interne de la frette. Il faut encore noter que l'accrochage de la frette sur la jupe ne se fait qu'en fin de montage, étant donné que la seconde zone d'accrochage est située à l'extrémité inférieure de la jupe. Ainsi, la frette ne subit aucun contact serrant autre part que dans sa zone située à la hauteur de la seconde zone d'accrochage, qui est avantageusement placée à une hauteur de la jupe qui est le plus à même à être déformée plastiquement. Ainsi, la frette ne peut pas être détériorée par un phénomène de faïençage, étant donné que sur la majeure partie de sa hauteur elle n'est pas en contact de la bague, puisque séparée par un espace libre intermédiaire, et qu'au niveau où elle est accrochée sur la jupe, c'est cette dernière qui subit la déformation radiale vers l'intérieur pour créer le contact serrant avec la frette. On évite ainsi toute détérioration par ce phénomène de faïençage.Advantageously, an intermediate free space is formed between the skirt and the hoop at the level of the first fixing zone. Preferably, said space intermediate extends over the entire height of the skirt except at the level of the second attachment zone. Thus, the covering band is not in tight contact with the ring only at the second attachment zone which is located at the level of the free lower end of the skirt. Indeed, since this lower end of the skirt is free, it has less rigidity and maintaining that its upper end connected to other parts of the ring. From this done, this lower end is more easily deformable when tightening radial with the inner wall of the hoop. It should also be noted that the attachment of the hoop on the skirt is only done at the end of assembly, since the second zone is located at the lower end of the skirt. Thus, the fret does not undergo no contact tightening elsewhere than in its area located at the level of the second attachment zone, which is advantageously placed at a height from the skirt which is most likely to be plastically deformed. So the fret does cannot be damaged by crazing, since on the most of its height it is not in contact with the ring, since separated by an intermediate free space, and that at the level where it is hung on the skirt, it is the latter which undergoes the radial deformation towards the inside to create tight contact with the hoop. This avoids any deterioration by this phenomenon of crazing.

Selon une forme de réalisation, la seconde zone d'accrochage présente un diamètre externe supérieur à celui de la première zone de fixation. Avantageusement, un épaulement externe vers l'extérieur relie la première zone à la seconde zone. La paroi externe de la jupe, qui forme avantageusement la paroi externe de la bague, peut ainsi comprendre deux sections cylindriques avantageusement circulaires reliées par un épaulement avantageusement oblique, la première section cylindrique s'étendant sur la majeure partie de la hauteur de la jupe et présentant un diamètre inférieur à la seconde section qui peut également être cylindrique circulaire et qui est située au niveau de l'extrémité inférieure de la jupe.According to one embodiment, the second attachment zone has a external diameter greater than that of the first attachment zone. Advantageously, an external shoulder towards the outside connects the first zone to the second zone. The outer wall of the skirt, which advantageously forms the outer wall of the ring, can thus comprise two cylindrical sections advantageously circular connected by an advantageously oblique shoulder, the first cylindrical section extending over most of the height of the skirt and having a diameter less than the second section which can also be cylindrical circular and which is located at the end bottom of the skirt.

Selon une autre caractéristique de l'invention, la seconde zone d'accrochage présente un diamètre interne supérieur à celui de la première zone de fixation. Avantageusement, un épaulement interne vers l'extérieur relie la première zone à la seconde zone. Ainsi, la paroi interne de la jupe au niveau de la seconde zone d'accrochage peut servir de paroi de guidage pour faciliter la mise en place et l'emmanchage de la bague sur le col du récipient. De préférence, le diamètre interne de la bague au niveau de la seconde zone d'accrochage est supérieur au diamètre externe du col de sorte qu'il n'y a pas de contact serrant entre la seconde zone d'accrochage et le col lors du montage de la bague sur le col. En outre, l'épaulement interne, qui est avantageusement incliné, sert de paroi de convergence pour guider le col jusque dans la première zone de fixation de la jupe.According to another characteristic of the invention, the second zone attachment has an internal diameter greater than that of the first zone of fixation. Advantageously, an internal outward shoulder connects the first zone to the second zone. Thus, the internal wall of the skirt at the level of the second attachment zone can serve as a guide wall to facilitate the positioning and fitting of the ring on the neck of the container. Preferably, the internal diameter of the ring at the second attachment zone is greater than the outside diameter of the neck so that there is no tight contact between the second attachment zone and the neck when mounting the ring on the collar. In addition, the internal shoulder, which is advantageously inclined, serves as convergence wall to guide the neck into the first attachment zone of the skirt.

Selon une caractéristique de l'invention, la paroi externe de la jupe au niveau de la seconde zone d'accrochage est pourvue de profils d'accrochage déformables contre la paroi interne de la frette. Dans ce cas, la paroi interne de la frette peut être en contact localisé avec la seconde zone d'accrochage au niveau des profils d'accrochage déformables. En variante, la paroi interne de la frette est en contact continu avec la seconde zone d'accrochage sur toute la périphérie. La paroi externe de la jupe au niveau de la seconde zone d'accrochage peut donc être parfaitement cylindrique circulaire et lisse, ou encore être cylindrique circulaire mais pourvue d'un état de surface, par exemple sous la forme de nervures ou de stries horizontales ou verticales, qui favorise l'accrochage de la frette.According to a characteristic of the invention, the external wall of the skirt at level of the second attachment zone is provided with attachment profiles deformable against the inner wall of the hoop. In this case, the inner wall of the hoop can be in localized contact with the second attachment zone at the level deformable attachment profiles. As a variant, the internal wall of the hoop is in continuous contact with the second attachment zone over the entire periphery. The outer wall of the skirt at the second attachment zone can therefore be perfectly cylindrical circular and smooth, or be cylindrical circular but provided with a surface finish, for example in the form of horizontal or vertical ribs or stripes, which favors the attachment of the fret.

Selon un autre aspect de l'invention, la paroi interne de la jupe au niveau de la première zone de fixation est sensiblement cylindrique et présente, avant montage sur le col, un diamètre interne inférieur au diamètre externe du col, de manière à réaliser une fixation par serrage radial. La paroi de la jupe peut être parfaitement cylindrique circulaire et lisse. En variante, la paroi interne de la jupe au niveau de la première de fixation est pourvu de profils de fixation adaptés à se déformer contre la paroi externe du col. Avantageusement, la paroi interne de la jupe au niveau de la première zone de fixation peut être pourvue de profils de blocage adaptés à venir se loger sous un épaulement vers l'intérieur formé par la paroi externe du col. De toute façon, quelque soit le profil de la paroi interne de la jupe au niveau de la première zone de fixation, la jupe peut se déformer radialement vers l'extérieur dans l'espace libre intermédiaire sans venir en contact ou détériorer la frette d'habillage.According to another aspect of the invention, the internal wall of the skirt at the level of the first attachment zone is substantially cylindrical and has, before mounting on the neck, an internal diameter smaller than the external diameter of the neck, so as to make a fixing by radial tightening. The wall of the skirt can be perfectly cylindrical circular and smooth. Alternatively, the inner wall of the skirt at the level of the first fastening is provided with fastening profiles adapted to deform against the outer wall of the neck. Advantageously, the wall internal of the skirt at the level of the first fixing zone can be provided with blocking profiles adapted to be housed under an inward shoulder formed by the outer wall of the cervix. Anyway, whatever the profile of the internal wall of the skirt at the level of the first fixing zone, the skirt can be deform radially outward in the intermediate free space without coming in contact with or damage the cover band.

Selon une forme de réalisation pratique, la frette d'habillage comprend un corps cylindrique définissant intérieurement la paroi interne, ledit corps définissant une extrémité inférieure s'étendant au moins jusqu'au niveau de l'extrémité inférieure libre de la jupe et une extrémité supérieure formant un rabat rentrant, la frette étant en contact de la bague uniquement au niveau de la seconde zone d'accrochage et du rabat rentrant, l'espace intermédiaire s'étendant entre la seconde zone d'accrochage et le rabat rentrant. Ainsi, la frette est fixée à son extrémité inférieure par un serrage radial et bloquée à son extrémité inférieure par le rabat rentrant en contact de butée sur la bague. Entre les deux extrémités, la frette n'est pas en contact de la bague. According to a practical embodiment, the covering hoop comprises a cylindrical body internally defining the internal wall, said body defining a lower end extending at least up to the level of the free lower end of the skirt and an upper end forming a re-entrant flap, the hoop being in contact with the ring only at the level of the second attachment zone and re-entrant flap, the intermediate space extending between the second attachment zone and the re-entrant flap. So the hoop is attached to its lower end by radial clamping and locked at its end lower by the flap returning into abutment contact on the ring. Between the two ends, the hoop is not in contact with the ring.

L'invention sera maintenant plus amplement décrite en référence à la figure unique ci-joint qui donne un exemple de réalisation de l'invention.The invention will now be described more fully with reference to the single figure attached which gives an exemplary embodiment of the invention.

La figure unique est une coupe transversale verticale à travers un dispositif de fixation selon l'invention monté sur un col de récipient.The single figure is a vertical cross section through a fixing device according to the invention mounted on a container neck.

Le récipient 3, dont uniquement le col 30 est représenté, est un récipient classique formant un corps destiné à contenir du produit fluide surmonté du col 30 qui fait saillie ver le haut et qui définit une ouverture à travers laquelle le produit fluide peut être extrait du récipient. Le col 30 du récipient est tout à fait classique : il comprend une extrémité supérieure 34 avantageusement pourvue d'un jonc d'étanchéité annulaire 35. Le col 30 forme également un bord renforcé ou épaissi 31 qui fait saillie radialement vers l'extérieur de manière à former un épaulement inférieur qui relie une partie de col 33 de diamètre réduit. Le bord renforcé 31 s'étend depuis la paroi supérieure 34 jusqu'à l'épaulement 33. Nous désignerons la paroi externe du bord épaissi 31 et de l'épaulement 33 sous le terme de paroi externe 32. La paroi externe 32 au niveau du bord épaissi 31 peut être parfaitement cylindrique circulaire, mais peut également comporter un ou plusieurs profils d'accrochage permettant d'améliorer l'accrochage dudit dispositif de fixation comme on le verra ci-après.The container 3, of which only the neck 30 is shown, is a container classic forming a body intended to contain fluid product surmounted by the neck 30 which projects upwards and which defines an opening through which the fluid can be removed from the container. The neck 30 of the container is completely conventional: it comprises an upper end 34 advantageously provided an annular sealing ring 35. The neck 30 also forms a reinforced edge or thickened 31 which projects radially outwards so as to form a lower shoulder which connects a neck portion 33 of reduced diameter. The edge reinforced 31 extends from the upper wall 34 to the shoulder 33. We denote the outer wall of the thickened edge 31 and the shoulder 33 under the term of external wall 32. The external wall 32 at the thickened edge 31 can be perfectly cylindrical circular, but may also include one or several attachment profiles making it possible to improve the attachment of said fastening device as will be seen below.

Le dispositif de fixation de l'invention comprend essentiellement deux éléments constitutifs, à savoir une bague de fixation 1 et une frette d'habillage 2. La bague 1 est reçue à l'intérieur de la frette de manière à la masquer au moins partiellement.The fixing device of the invention essentially comprises two constituent elements, namely a fixing ring 1 and a covering band 2. The ring 1 is received inside the hoop so as to mask it at least partially.

La bague de fixation 1 comprend des moyens de réception destinés à maintenir un organe de distribution tel qu'une pompe ou une valve. Sur la figure unique, ces moyens de réception se présentent sous la forme d'un manchon d'encliquetage 13 dans lequel une partie du corps de la pompe ou de la valve est reçue par encliquetage. Ce manchon 13 définit en outre une ouverture centrale 14 à travers laquelle s'étend la tige d'actionnement de la pompe ou de la valve. Le manchon d'encliquetage 13 définit la partie centrale interne de la bague de fixation. Ce manchon 13 est prolongé radialement vers l'extérieur par un plateau annulaire 12 qui peut venir directement en contact de l'extrémité supérieure 34 du col 30, ou venir presser un joint de col 4 sur l'extrémité supérieure 34 du col 30. Le joint de col 4, ou le plateau 12 lui-même, est fortement pressé contre le jonc d'étanchéité 35, et réalise ainsi l'étanchéité au niveau du col du récipient.The fixing ring 1 comprises receiving means intended to maintain a dispensing member such as a pump or a valve. On the face unique, these receiving means are in the form of a sleeve latching 13 in which a part of the pump or valve body is received by snap-fastening. This sleeve 13 further defines a central opening 14 through which extends the actuating rod of the pump or the valve. The latching sleeve 13 defines the inner central part of the ring fixation. This sleeve 13 is extended radially outwards by a plate annular 12 which can come directly into contact with the upper end 34 of the neck 30, or press a neck seal 4 on the upper end 34 of the neck 30. The neck seal 4, or the plate 12 itself, is strongly pressed against the sealing ring 35, and thus achieves sealing at the neck of the container.

Sur sa périphérie externe, le plateau 12 est relié à une jupe 10 qui s'étend vers le bas pour définir une extrémité inférieure libre 105. Dans le mode de réalisation représenté sur la figure unique, une douille 11 s'étend également vers le haut à partir de la périphérie externe du plateau 12. Cette douille 11 s'étend dans le prolongement de la jupe 10, et peut de ce fait être considérée comme faisant partie de la jupe 10. On peut bien entendu imaginer d'autres formes de réalisation dans lesquelles la douille 11 ne s'étend pas exactement dans le prolongement de la paroi 10, mais par exemple légèrement en retrait vers l'intérieur. Même dans ce cas, on peut parler d'une jupe externe étagée. La douille 11 s'étend donc vers le haut en définissant une extrémité supérieure libre 115.On its outer periphery, the plate 12 is connected to a skirt 10 which extends down to define a free lower end 105. In the embodiment shown in the single figure, a socket 11 also extends towards the top from the outer periphery of the plate 12. This sleeve 11 extends in the extension of the skirt 10, and can therefore be considered as forming part of the skirt 10. One can of course imagine other forms of embodiment in which the sleeve 11 does not exactly extend in the extension of the wall 10, but for example slightly set back towards inside. Even in this case, we can speak of a stepped outer skirt. The socket 11 therefore extends upwards by defining a free upper end 115.

La jupe 10 définit une paroi externe 102 et une paroi externe 101 dans sa partie située en dessous du plateau 12. Le terme de paroi externe 102 peut être également appliqué à la paroi externe de la douille 11. La jupe 10 s'étend autour du col 30 vers le bas de sorte que son extrémité inférieure libre 105 est située bien en dessous du bord épaissi 31, et peut même, dans certains cas, venir en contact de la base du col.The skirt 10 defines an outer wall 102 and an outer wall 101 in its part located below the plate 12. The term external wall 102 can be also applied to the external wall of the socket 11. The skirt 10 extends around from the neck 30 downwards so that its free lower end 105 is located well below the thickened edge 31, and may even, in certain cases, come into contact from the base of the neck.

La frette d'habillage 2 du dispositif de fixation est de préférence réalisée en métal, mais peu également être réalisée en matière plastique. La frette 2 comprend un corps cylindrique 20 définissant une paroi interne 22 et une paroi externe visible 21. Le corps 20 comprend une extrémité inférieure libre23 et une extrémité supérieure formée avec un rabat rentrant 24.The covering band 2 of the fixing device is preferably made made of metal, but can also be made of plastic. Fret 2 comprises a cylindrical body 20 defining an internal wall 22 and a wall visible external 21. The body 20 comprises a free lower end 23 and a upper end formed with a re-entrant flap 24.

Selon l'invention, la jupe 10 définit une première zone de fixation 103 au niveau de laquelle la paroi interne 101 de la jupe 10 vient en contact de la paroi externe 32 du col 30. La jupe 10 comprend également une seconde zone d'accrochage 104 au niveau de laquelle la paroi externe 102 de la jupe 10 vient en contact serrant avec la paroi interne 22 de la frette 2. According to the invention, the skirt 10 defines a first attachment zone 103 to the level of which the internal wall 101 of the skirt 10 comes into contact with the wall outer 32 of the neck 30. The skirt 10 also includes a second zone attachment 104 at which the outer wall 102 of the skirt 10 comes in tight contact with the internal wall 22 of the hoop 2.

Selon une caractéristique intéressante de l'invention, la seconde zone d'accrochage 104 est située en dessous de la première zone de fixation 103, lorsqu'on tient le dispositif de fixation en position verticale comme représenté sur la figure unique avec l'extrémité inférieure libre 105 de la jupe 10 pointant vers le bas. Lorsque le dispositif de fixation est monté sur un col de récipient, comme représenté sur la figure unique, la seconde zone d'accrochage 104 est située en dessous du bord épaissi 31, et même en dessous de l'épaulement 320. Quant à la première zone de fixation 103, elle s'étend avantageusement sur la hauteur du bord épaissi 31, et de préférence en dessous de l'épaulement 320. La seconde zone d'accrochage 104 est située juste au-dessus de l'extrémité inférieure libre 105 de la jupe : de ce fait, du fait de sa position, la seconde zone d'accrochage 104 présente de bonnes caractéristiques de déformabilité, qui sont de toute façon meilleures que celles de la jupe par exemple au niveau du plateau 12 qui rigidifie et renforce la jupe et amoindrit sa déformabilité. Cette seconde zone d'accrochage 104 est en contact serrant avec la paroi interne 22 de la frette 2, avantageusement à proximité de son extrémité inférieure 23. Cette extrémité inférieure 23 peut par exemple être située au même niveau ou légèrement en dessous de l'extrémité inférieure 105 de la jupe 10. La paroi externe de la zone d'accrochage 104 peut être cylindrique, avantageusement circulaire, et présenter un état de surface lisse ou pourvue de profils d'accrochage sous la forme de nervures horizontale ou verticales plus ou moins rapprochées, dans le but d'améliorer l'accrochage de la frette. Du fait de sa position à l'extrémité inférieure libre 105 de la jupe 10, la zone d'accrochage est facilement déformable, de sorte que la prise serrante dans la frette 2 n'engendre pas de déformation notable de la frette, évitant ainsi tout phénomène de détérioration par faïençage.According to an advantageous characteristic of the invention, the second zone attachment 104 is located below the first attachment zone 103, when the fastening device is held in a vertical position as shown in the single figure with the free lower end 105 of the skirt 10 pointing towards the low. When the fastening device is mounted on a container neck, as shown in the single figure, the second attachment zone 104 is located in below the thickened edge 31, and even below the shoulder 320. As for the first attachment zone 103, it advantageously extends over the height of the thickened edge 31, and preferably below the shoulder 320. The second attachment zone 104 is located just above the free lower end 105 of the skirt: because of its position, the second attachment zone 104 has good deformability characteristics, which are in any case better than those of the skirt for example at the level of the plate 12 which stiffens and strengthens the skirt and reduces its deformability. This second area attachment 104 is in tight contact with the internal wall 22 of the hoop 2, advantageously near its lower end 23. This end lower 23 can for example be located at the same level or slightly in below the lower end 105 of the skirt 10. The outer wall of the zone attachment 104 may be cylindrical, advantageously circular, and have a smooth surface or provided with attachment profiles in the form of horizontal or vertical ribs more or less close together, for the purpose improve the attachment of the hoop. Because of its position at the end free lower 105 of the skirt 10, the attachment zone is easily deformable, so that the tight grip in hoop 2 does not generate significant deformation of the hoop, thus avoiding any phenomenon of deterioration by crazing.

La paroi interne de la zone d'accrochage 104 présente avantageusement un diamètre supérieur au diamètre du bord épaissi 31 du col de sorte qu'il ne peut pas y avoir de contact serrant avec le col au niveau de la zone d'accrochage 104. Au contraire, la paroi interne de la zone d'accrochage 104 peut servir de paroi de guidage et d'insertion pour faciliter la mise en place de la bague sur le col de récipient.The internal wall of the attachment zone 104 advantageously has a diameter greater than the diameter of the thickened edge 31 of the neck so that it does not there can be no tight contact with the collar at the hooking area 104. On the contrary, the internal wall of the attachment zone 104 can serve as guide and insertion wall to facilitate the positioning of the ring on the container neck.

Selon une autre caractéristique intéressante de l'invention, un espace libre intermédiaire 201 est formé entre la jupe 10 et la frette 2 au niveau de la première zone de fixation 103. Avantageusement, cet espace intermédiaire 201 s'étend sur la totalité de la hauteur de la jupe, avantageusement même au niveau de la douille 11, sauf au niveau de la seconde d'accrochage 104. En tout cas, cet espace intermédiaire 201 s'étend au moins au niveau de la première zone de fixation 103. Pour réaliser cet espace intermédiaire 201, la première zone de fixation 103 présente un diamètre extérieur inférieur à celui de la seconde d'accrochage 104. La jupe peut avantageusement présenter le même diamètre que celui de la première zone de fixation 103 sur toute sa hauteur à l'exception de la zone d'accrochage 104. Sur la figure unique, on peut voir que l'espace intermédiaire 201 s'étend sous la forme d'un annulaire parfaitement cylindrique entre le corps cylindrique 20 de la frette 2 et la paroi externe cylindroïde 102 de la jupe au-dessus de la zone d'accrochage 104. La première zone de fixation 103 est reliée à la seconde zone d'accrochage 10 4par un épaulement externe 106 qui s'évase vers l'extérieur et vers le bas.According to another advantageous characteristic of the invention, a free space intermediate 201 is formed between the skirt 10 and the hoop 2 at the level of the first fixing zone 103. Advantageously, this intermediate space 201 extends over the entire height of the skirt, advantageously even at the level of the socket 11, except at the level of the second latching 104. In any case, this intermediate space 201 extends at least at the level of the first zone of fixing 103. To make this intermediate space 201, the first zone of binding 103 has an outer diameter smaller than that of the second 104. The skirt can advantageously have the same diameter than that of the first attachment zone 103 over its entire height except of the attachment zone 104. In the single figure, it can be seen that the space intermediate 201 extends in the form of a perfectly cylindrical annular between the cylindrical body 20 of the hoop 2 and the cylindrical outer wall 102 of the skirt above the attachment zone 104. The first attachment zone 103 is connected to the second attachment zone 10 4 by an external shoulder 106 which flares outward and downward.

Lors du montage de la frette 2 sur la bague 1, l'extrémité inférieure 23 du corps 20 de la frette 2 est d'abord engagée sur la partie de jupe formée par la douille 11 qui présente un diamètre externe inférieur au diamètre interne de la frette. Il n'y a par conséquent de contact serrant entre la frette et la bague jusqu'au niveau de l'épaulement externe 106. A partir de cet épaulement externe 106, la frette 2 commence à s'engager sur la zone d'accrochage 104, et il faut donc une certaine force de poussée pour engager la frette sur cette zone d'accrochage 104. Un contact serrant est ainsi réalisé à ce niveau. L'engagement de la frette 2 sur la bague 1 se poursuit jusqu'à ce que le rabat rentrant 24 de la frette vienne en contact de l'extrémité supérieure 115 de la douille 11. La frette 2 est ainsi en contact de la bague uniquement au niveau de la zone d'accrochage 104 où un contact serrant radial est réalisé et au niveau de son rabat rentrant 24 en appui sur la douille 11. Entre ces deux points de contact, la frette 2 n'est pas en contact de la bague, mais définit au contraire l'espace intermédiaire 201. On peut noter que la frette 2 lors de son montage sur la bague 1 n'a subit une contrainte qu'au niveau de son extrémité inférieure 23 et nulle part ailleurs : en effet, la majeure partie du corps 20 de la frette 2 n'a jamais été en contact de la bague 1. Il est ainsi strictement impossible que la frette 2 soit détériorée par un phénomène de faïençage au niveau où elle n'est pas en contact avec la bague. En outre, de par les bonnes caractéristiques de déformabilité de la zone d'accrochage provenant de sa position à proximité de l'extrémité inférieure de la jupe, on évite toute déformation excessive de la frette.When mounting the hoop 2 on the ring 1, the lower end 23 of the body 20 of the hoop 2 is first engaged on the skirt part formed by the socket 11 which has an outer diameter smaller than the inner diameter of the fret. There is consequently a tight contact between the hoop and the ring up to the level of the external shoulder 106. From this external shoulder 106, the hoop 2 begins to engage on the attachment zone 104, and it is necessary so a certain pushing force to engage the hoop on this area attachment 104. A tight contact is thus made at this level. The commitment of the hoop 2 on the ring 1 continues until the re-entrant flap 24 of the hoop comes into contact with the upper end 115 of the sleeve 11. The hoop 2 is thus in contact with the ring only at the level of the attachment zone 104 where a radial tightening contact is made and at its re-entrant flap 24 resting on the sleeve 11. Between these two contact points, the hoop 2 is not in contact with the ring, but on the contrary defines the intermediate space 201. We may note that the hoop 2 during its mounting on the ring 1 has not undergone a constraint only at its lower end 23 and nowhere else: in Indeed, most of the body 20 of the hoop 2 has never been in contact with the ring 1. It is therefore strictly impossible for the hoop 2 to be damaged by a phenomenon of crazing at the level where it is not in contact with the ring. In in addition, due to the good deformability characteristics of the area hooking from its position near the lower end of the skirt, avoiding excessive deformation of the hoop.

L'espace intermédiaire 201 a pour fonction de permettre la déformation de la paroi externe 102 de la jupe 10 au niveau de la première zone de fixation 103 sans endommager la frette 2. En effet, dans ce système de fixation de l'invention, il est prévu de monter la frette 2 sur la bague 1 avant le montage de la bague 1 sur le col 30 du récipient. Par conséquent, il est nécessaire de ménager cet espace intermédiaire entre la frette et la bague pour permettre à la bague de se déformer sur le col du récipient.The intermediate space 201 has the function of allowing the deformation of the external wall 102 of the skirt 10 at the level of the first fixing zone 103 without damaging the hoop 2. In fact, in this fixing system of the invention, it is planned to mount the hoop 2 on the ring 1 before mounting the ring 1 on the neck 30 of the container. Therefore, it is necessary to spare this intermediate space between the hoop and the ring to allow the ring to deform on the neck of the container.

Pour réaliser une bonne fixation de la jupe sur le col, on peut utiliser plusieurs techniques qui génèrent cependant toutes une déformation radiale momentanée ou permanente de la paroi externe 102 de la jupe radialement vers l'extérieur. La paroi interne 101 de la jupe peut par exemple être pourvue, au niveau de sa zone de fixation 103, d'un cordon d'encliquetage 108 qui fait saillie radialement vers l'intérieur, et qui vient se loger en dessous de l'épaulement 320 du col 30. Il s'agit là d'une technique classique que nous avons décrite précédemment. Il est à noter que le cordon 108 est situé au niveau de la zone de fixation 103, juste au-dessus de l'épaulement interne 107. Le cordon 108 peut se déformer radialement vers l'extérieur dans l'espace intermédiaire 101 lors du passage du bord épaissi 31 pour venir se loger sous l'épaulement 320.To achieve a good fixing of the skirt on the collar, you can use several techniques which however all generate a radial deformation momentary or permanent of the outer wall 102 of the skirt radially towards outside. The internal wall 101 of the skirt can for example be provided, at the level of its fixing zone 103, of a snap-in cord 108 which projects radially inward, and which is housed below the shoulder 320 of the neck 30. This is a classic technique that we have described previously. It should be noted that the cord 108 is located at the level of the zone of attachment 103, just above the internal shoulder 107. The cord 108 can be deform radially outward in the intermediate space 101 during passage of the thickened edge 31 to come to be housed under the shoulder 320.

En variante ou en complément, la paroi interne 101 de la jupe 10 au niveau de la zone de fixation 103 peut venir en contact radial serrant avec la paroi externe 32 au niveau du bord épaissi 35. La paroi interne 101 peut être réalisée de manière parfaitement cylindrique circulaire lisse, ou encore avec des profils de fixation, par exemple sous la forme de nervures verticales ou horizontales plus ou moins espacées. Avec un tel serrage radial au niveau du bord épaissi 35, on peut se passer du cordon d'encliquetage 108. On peut encore imaginer d'autres techniques de fixation au niveau du col de récipient qui ont besoin d'un débattement externe pour permettre leur déformation radiale vers l'extérieur. On peut même imaginer des techniques de fixation qui n'engendrent pratiquement aucune déformation radiale vers l'extérieur de la paroi externe 102 de la jupe. Même dans ce cas, l'espace intermédiaire 101 est particulièrement avantageusement, puisqu'il évite un serrage radial de la frette sur la bague sur toute sa hauteur, ce qui élimine tout risque de phénomène de faïençage.As a variant or in addition, the internal wall 101 of the skirt 10 at level of the attachment zone 103 can come into tight radial contact with the outer wall 32 at the thickened edge 35. The inner wall 101 can be made in a perfectly smooth circular cylindrical fashion, or even with fastening profiles, for example in the form of vertical ribs or more or less spaced apart. With such radial tightening at the thickened edge 35, one can do without the snap-on cord 108. One can still imagine other attachment techniques at the container neck that have need for external travel to allow their radial deformation towards outside. One can even imagine fixing techniques which do not generate practically no radial deformation towards the outside of the external wall 102 of the skirt. Even in this case, the intermediate space 101 is particularly advantageously, since it avoids a radial tightening of the hoop on the ring on its full height, which eliminates any risk of crazing phenomenon.

L'accrochage de la frette par serrage radial uniquement au niveau de l'extrémité inférieure de la jupe en laissant un espace intermédiaire sur le restant de la frette est donc avantageusement du fait qu'il élimine le risque de faïençage et qu'il permet en outre le pré-montage de la frette sur la bague même avec des techniques de fixation sur le col engendrant une déformation radiale vers l'extérieur de la paroi externe de la jupe.Hooking of the hoop by radial tightening only at the level of the lower end of the skirt leaving an intermediate space on the rest of the hoop is therefore advantageously because it eliminates the risk of crazing and that it also allows the pre-mounting of the hoop on the ring even with fixation techniques on the neck causing radial deformation towards the outside of the outer wall of the skirt.

Claims (16)

  1. A fixing device for fixing a dispensing unit on a neck (30) of a container (3) defining an external wall (32), wherein said device comprises:
    a cladding hoop (2) defining an internal wall (22), and
    a fixing ring (1) forming receiving means (13) for holding the dispensing unit and a skirt (10) defining an internal wall (101), an external wall (102) and a free lower end (105), wherein said skirt further defines a first fixing area (103) at which its internal wall (101) is intended to engage with the external wall (32) of the neck and a second locking area (104) at which its external wall (102) is tightly engaged on its entire periphery with the internal wall (22) of the cladding hoop,
    characterized in that the second locking area (104) is located below the first fixing area (103), substantially at the lower end (105) of the skirt.
  2. A fixing device according to claim 1, wherein an intermediate free space (201) is formed between the skirt (10) and the hoop (2) at the first fixing area (103).
  3. A fixing device according to claim 2, wherein said intermediate (201) extends over the whole of the height of the skirt except at the second blocking area (104).
  4. A fixing device according to any preceding claim, wherein the second locking area has a greater external diameter than that of the first fixing area.
  5. A fixing device according to claim 4, wherein an external outward shoulder (106) connects the first area (103) to the second area (104).
  6. A fixing device according to any preceding claim, wherein the second locking area (104) has a greater internal diameter than that of the first fixing area (104).
  7. A fixing device according to claim 6, wherein an internal shoulder (107) outwards connects the first area (103) to the second area (104).
  8. A fixing device according to any preceding claim, wherein the external wall (102) of the skirt at the second locking area (104) is substantially cylindrical.
  9. A fixing device according to any preceding claim, wherein the external wall (102) of the skirt at the second locking area (104) is provided with deformable locking profiles against the internal wall (22) of the hoop (2).
  10. A fixing device according to claim 9, wherein the internal wall (22) of the hoop is in localized contact with the second locking area at the deformable locking profiles.
  11. A fixing device according to any of claims 1 to 8, wherein the internal wall (22) of the hoop is in continuous contact with the second locking area over the whole periphery.
  12. A fixing device according to any preceding claim, wherein the external wall (102) of the skirt at the first locking area (104) is substantially cylindrical.
  13. A fixing device according to preceding claim, wherein the internal wall (101) of the skirt at the first fixing area (103) is substantially cylindrical and has, before its mounting on the neck, a smaller internal diameter than the external diameter of the neck, so as to provide fixing through radial tightening.
  14. A fixing device according to any preceding claim, wherein the internal wall (101) of the skirt at the first fixing area (103) is provided with fixing profiles adapted for deformation against the external wall (32) of the neck.
  15. A fixing device according to any preceding claim, wherein the internal wall (101) of the skirt at the first fixing area (103) is provided with blocking profiles (108) adapted for accommodation under an inward shoulder (33) formed by the external wall (32) of the neck.
  16. A fixing device according to any preceding claim, wherein the cladding hoop (2) comprises a cylindrical body (20) inwardly defining the internal wall (22), wherein said body (20) defines a lower end (23) extending at least up to the free lower end (105) of the skirt and an upper end forming a re-entering flap (24), wherein the hoop is only in contact with the ring at the second locking area and the re-entering flap (24), the intermediate space (201) extending between the second locking area and the re-entering flap.
EP20020730331 2001-04-04 2002-04-03 Fixing device for fixing a dispensing member to the neck of a container Expired - Lifetime EP1385757B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0104595 2001-04-04
FR0104595A FR2823187B1 (en) 2001-04-04 2001-04-04 FIXING DEVICE FOR FIXING A DISTRIBUTION MEMBER ON A CONTAINER NECK
PCT/FR2002/001162 WO2002081333A1 (en) 2001-04-04 2002-04-03 Fixing device for fixing a dispensing member to the neck of a container

Publications (2)

Publication Number Publication Date
EP1385757A1 EP1385757A1 (en) 2004-02-04
EP1385757B1 true EP1385757B1 (en) 2004-10-20

Family

ID=8861946

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020730331 Expired - Lifetime EP1385757B1 (en) 2001-04-04 2002-04-03 Fixing device for fixing a dispensing member to the neck of a container

Country Status (9)

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US (1) US6672488B2 (en)
EP (1) EP1385757B1 (en)
JP (1) JP2004523438A (en)
CN (1) CN1269699C (en)
BR (1) BR0208580B1 (en)
DE (1) DE60201676T2 (en)
ES (1) ES2231695T3 (en)
FR (1) FR2823187B1 (en)
WO (1) WO2002081333A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845357B1 (en) * 2002-10-07 2005-09-16 Valois Sas FIXING DEVICE AND DISTRIBUTOR COMPRISING SUCH A FIXING DEVICE
FR2865198B1 (en) * 2004-01-16 2006-04-14 Valois Sas DEVICE FOR DISPENSING FLUID PRODUCT
FR2884877B1 (en) * 2005-04-21 2010-09-03 Rexam Dispensing Sys PUMP FOR FLUID PRODUCT DISPENSER HAVING BODY HAVING ASSEMBLY AND SEAL
FR2886632B1 (en) * 2005-06-03 2007-09-07 Valois Sas FIXING ASSEMBLY FOR A FLUID PRODUCT DISPENSING MEMBER
FR2904812B1 (en) * 2006-08-09 2008-10-24 Rexam Dispensing Systems Sas FIXING DEVICE, DISTRIBUTION ASSEMBLY COMPRISING SUCH A DEVICE, DISTRIBUTOR COMPRISING SUCH AN ASSEMBLY AND METHOD FOR MOUNTING SUCH A DISPENSER
FR2916743B1 (en) * 2007-05-29 2009-08-28 Valois Sas FIXING DEVICE FOR ATTACHING A PUMP TO A TANK AND DISPENSER USING SUCH A FIXING DEVICE
FR2927067B1 (en) * 2008-02-06 2010-03-26 Rexam Dispensing Sys DISPENSING VIAL COMPRISING A PUMP FIXED BY A COLLAR PROVIDED WITH HOLDING GODRONS IN POSITION
FR3032436B1 (en) * 2015-02-10 2019-08-30 Louis Vuitton Malletier PACKAGING DEVICE FOR A PRODUCT TO BE DISTRIBUTED
US10183790B2 (en) * 2016-11-28 2019-01-22 Berlin Packaging, Llc Non-removable closure cap with a collar
FR3109539B1 (en) * 2020-04-28 2022-04-08 Aptar France Sas Fluid product dispenser
FR3111337B1 (en) * 2020-06-12 2022-06-03 Aptar France Sas Pump fixing device

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Publication number Priority date Publication date Assignee Title
US4773553A (en) * 1985-09-12 1988-09-27 Risdon Corporation Assembly for securing and sealing a dispenser to a flanged container
DE4342680A1 (en) * 1993-12-15 1995-06-22 Pfeiffer Erich Gmbh & Co Kg Discharge device for media
EP0707895B1 (en) * 1994-10-17 1998-12-16 SAR S.p.A. Sleeve for the fixing of a manual pump group to a glass bottle
FR2737471B1 (en) * 1995-08-01 1997-09-05 Valois FIXING RING WITH DOUBLE INDEXATION
FR2769860B1 (en) * 1997-10-16 2000-01-21 Sofab DEVICE FOR ASSEMBLING A PUMP ON A CONTAINER
FR2784660B1 (en) * 1998-10-20 2000-12-29 Valois Sa MEMBER AND METHOD FOR FIXING A DISPENSING DEVICE ON THE NECK OF A TANK AND DISPENSER USING SUCH A FIXING MEMBER

Also Published As

Publication number Publication date
US20020175192A1 (en) 2002-11-28
EP1385757A1 (en) 2004-02-04
FR2823187B1 (en) 2003-08-15
US6672488B2 (en) 2004-01-06
BR0208580B1 (en) 2012-05-29
ES2231695T3 (en) 2005-05-16
BR0208580A (en) 2004-04-20
DE60201676D1 (en) 2004-11-25
FR2823187A1 (en) 2002-10-11
CN1269699C (en) 2006-08-16
DE60201676T2 (en) 2006-02-02
CN1500055A (en) 2004-05-26
JP2004523438A (en) 2004-08-05
WO2002081333A1 (en) 2002-10-17

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