EP3199469A1 - Plugging device - Google Patents

Plugging device Download PDF

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Publication number
EP3199469A1
EP3199469A1 EP17152707.0A EP17152707A EP3199469A1 EP 3199469 A1 EP3199469 A1 EP 3199469A1 EP 17152707 A EP17152707 A EP 17152707A EP 3199469 A1 EP3199469 A1 EP 3199469A1
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EP
European Patent Office
Prior art keywords
tamper
band
closure device
evident band
neck
Prior art date
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Granted
Application number
EP17152707.0A
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German (de)
French (fr)
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EP3199469B1 (en
Inventor
Rémi CHENEVAL-PALLUD
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United Caps France SAS
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United Caps France SAS
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Publication of EP3199469A1 publication Critical patent/EP3199469A1/en
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Classifications

    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges

Definitions

  • the invention relates to a closure device for mounting on the neck of a bottle.
  • the US4147268 has a tamperproof plug for use on a standard container having a threaded neck portion and a flange below the threaded portion.
  • the cap consists of an upper part which has an internal thread, which part is attached by breakable bridges to a lower part consisting of a flexible tamper band in the continuity of the internal thread, this lower part being covered on its periphery by an outer shell laterally protecting the tamper-evident band.
  • the tamper-evident band extends partially below the outer shell so that it can be easily visualized.
  • the outer shell extends beyond the breakable bridges to protect them from falsification and separation.
  • the tamper-evident band has a surface that engages under the flange of the neck when the cap is screwed onto the container. This surface consists of a plurality of portions of extra thickness.
  • the tamper-evident band deforms elastically to pass over the diameter of the flange and the surface of the tamper-evident strip bears against the lower part of the flange to secure the tamper-evident band under the collar.
  • the jumpers are broken and completely disconnect the tamper band from the rest of the plug.
  • this type of plug is made by injection molding of thermoplastic materials.
  • force release means that an element of the mold has an undercut hindering the demoulding. To allow the ejection of the piece, it must deform, bend or stretch around this undercut.
  • these caps are mounted on the necks of bottles during an automated operation on lines of traffic jams.
  • the tamper-evident band deforms less easily during the automated assembly of the cap on the neck of the bottle, and increases the stresses transmitted to the bridges for holding the tamper-evident band during the passage of the neck collar. , increasing their risk of rupture.
  • the closure device in this configuration is obtained for example by plastic injection molding, performed in a single molding operation.
  • the lower part of the tamper-evident band is folded down along the thinned portion and the lower part of the tamper-evident band faces upwardly and inwardly of the closure device.
  • This folding operation can be performed by a movement of a tool while the closure device is still maintained at least partially in the plastic injection mold or subsequently, by an intermediate operation which is performed between the demolding phase and the mounting step on the neck of the bottle to be sealed.
  • the reversible assembly means at the neck of the bottle consists of at least one thread, the closure device being a plug.
  • the reversible assembly means at the neck of the bottle is at least one part to be clipped, the closure device being a capsule.
  • the tamper-evident band is continuous.
  • the guarantee of inviolability with a tamper-evident band is better assured than if it had been made by tongues.
  • the lower part of the tamper-evident band is continuous. This has the advantage of better transmitting the unscrewing efforts than if the lower part of the tamper band had been formed by a succession of slots.
  • the outer shell comprises a light, showing some of the bridges and the tamper band. It is thus possible to visually verify the tamper evidence.
  • the outer shell is transparent, revealing the bridges and the tamper-evident band. It is thus possible to visually verify the burglary
  • the breakable bridges are blades radiating from the central axis 0-0 'delimited by an interstitial space between an inner wall of the outer shell and a vertical extension of an inner wall of the upper part of the tamper evident tape. This makes it harder to break the bridges.
  • the inner and outer walls of the breakable bridges are tangent to the inner and outer walls of the upper part of the tamper-evident band. It is thus ensured that the bridges remain attached to the tamper-evident band during their break, and do not leave an unsightly and aggressive part for the fingers on the underside of the closure device.
  • the closure device comprises an interstitial space between an inner wall of the outer shell and a vertical extension of an inner wall of the upper part of the tamper-evident band having a narrowing zone.
  • the mold of the upper part of the tamper-evident strip has a negative draft requiring a force release.
  • the top corresponds to the upper part in the sectional view of the closure device 1 figure 3 .
  • inner wall corresponds to a wall located on the side of the central axis O-O 'of the closure device.
  • outer wall corresponds to the walls opposite to the inner wall.
  • monoblock means that the piece has been made in a single operation of plastic injection, and not in two or more plastic injection operations.
  • the invention consists of a blocking device 1 monobloc. It is circular and has a central axis 0-0 '. It is intended to be mounted on the neck of a bottle (not shown here).
  • the circular closure device 1 of central axis 00 comprises an upper part 11 with at least one reversible assembly means 2 at the neck of the bottle. It also comprises an outer shell 3 at least partially covering a tamper-evident band 4 connected by breakable bridges 5 to the remainder of the upper part 11 of the closure device 1.
  • the tamper-evident band 4 comprises an upper part 41 close to the breakable bridges 5, an intermediate thinned part 42 and a lower part 43, the thinned part 42 forming a circular zone of folding of the lower part 43 against the upper part 41.
  • the closure device 1 consists of a tamper band 4 and a complementary main part.
  • the closure device 1 comprises in its upper part 11 a reversible assembly means 2, in the form of at least one thread 2 for cooperating with a threaded portion of the neck of a bottle.
  • the number of threads 2 present on the closure device 1 may vary according to the choice of the pitch of the thread and the configuration of the complementary threaded portion of the bottle.
  • the closure device 1 is a plug, but this plugging device 1 can also for example be a capsule.
  • the cap has a thread while the capsule has one or more lugs or clips passing by elastic deformation part of the neck of the bottle during assembly.
  • a tamper-evident band 4 is made according to the first variant in the low continuity of the upper part 11, on the lower part of the closure device 1.
  • This tamperproof band 4 is integral with the closure device 1 by means of breakable bridges 5.
  • Part of the tamper band 4 is covered by an outer shell 3.
  • the lower limit covered by the outer shell 3 is identified on the Figures 3, 3a, 3b , 5b by a horizontal line W-W '.
  • the tamper evident band 4 has an upper portion 41 in contact with the breakable bridges 5, an intermediate thinned portion 42 and a lower portion 43, as visible on the right of the figure 3 and on the figure 3b .
  • On the left of the figure 3 and on the figure 3a is shown an example of spacing between the breakable bridges.
  • the thinned portion 42 forms a circular crimping zone making it possible to fold the lower part 43 inwards against the upper part 41 of the tamper-evident band 4 and to face their two inner walls 412 and 431.
  • the figure 4 illustrates the position of the tamper band 4 before mounting around a vial neck.
  • the neck of the bottle comprises a flange intended to cooperate with the tamper band 4 of the closure device 1.
  • the tamper-evident band 4 deforms elastically beyond the diameter of the collar to pass over the collar of the neck of the bottle. and come in support against a party bottom of the collar of the neck of the bottle to block any movement up the neck.
  • the tamper-evident band 4 bears against a lower part of the flange of the neck of the flask and transmits the opening force to the tamper-evident band 4 in order to break its bridges. breakable 5 by tearing.
  • the tamper band 4 is detached and remains positioned under the collar.
  • the lower portion 43 of the tamper-evident band 4 is trapped between the inner wall 412 of the upper part 41 of the tamper-evident band 4 and the neck of the vial. , not shown here.
  • This embodiment of a tamper-evident band 4 ensures a better transmission of forces to cause breakage of the breakable bridges 5 with respect to the tamper-evident strips having extra thicknesses.
  • this configuration reduces the uncapping force necessary to tear the breakable bridges 5, and thus facilitate the first decapping by the user.
  • the tamper band 4 is here circular and continuous.
  • the tamper band 4 may be constituted by a succession of discontinuous arcs arranged on a periphery of the tamper band 4, and attached to each other by breakable bridges, not shown here.
  • This variant has the advantage of letting the tamper band 4 hang on the main part of the closure device 1 after unclipping or unscrewing.
  • the arcs of the tamper band 4 then make office of first opening indicator tabs.
  • the user can then finish breaking the remaining bridges to remove the first opening indicator tabs, and use the main part of the closure device 1 to reseal the neck of the bottle.
  • the lower portion 43 of the tamperproof band 4 which is folded down here is continuous.
  • the closure device 1 comprises on its lower part an outer shell 3 integral with the closure device 1, of generally circular shape about the central axis 0-0 '.
  • the tamper-evident band 4 is mainly under the outer shell 3, so that it is not accessible with the fingers or simply with a tool without risking damage to the jumpers.
  • the lower limit of the tamper band 4 covered by the outer shell 3 is delimited by the horizontal line WW 'corresponding to the bottom of the shell shown on the figure 3, 3a, 3b , 5b .
  • the protection of the tamper-evident band 4 by the outer shell 3 makes it possible for the tamper-proof band 4 not to be stressed during the different phases of the life of the product between its injection and its laying on the corking lines of the bottles ( production, transport, unloading, conveying in hoppers).
  • This outer shell 3 has lights 31, here at the number of 6. These lights 31 allow to check the integrity of the breakable bridges 5 connecting the tamper band 4 to the rest of the closure device 1. Indeed, once the device capping 1 mounted on the neck of a bottle, breakable bridges 5 are not easily visible. The user can not therefore simply check whether the bottle has already been opened, while with lights the user can check at a glance the integrity of the tamper function
  • the breakable bridges 5 connect the upper part 11 of the closure device 1 to the upper part 41 of the tamper band 5.
  • breakable bridges 5 break when they are subjected to tearing stress during the unscrewing or unclipping of the closure device 1 relative to the neck of a bottle on which it is mounted.
  • breakable bridges 5 are made in the form of blades carried by horizontal rays from the central axis 0-0 'as shown Figure 5, 5b and 6 .
  • breakable bridges according to this embodiment are derived from the virtual extension of an inner wall 412 of the upper part of the tamper-evident band 41 and extend as far as an inner wall 311 of the outer shell 3.
  • the breakout force of the breakable blade members 5 can be adjusted simply.
  • a main part of the body of the breakable bridges 5 remains attached to the main part of the clogging device 1 and not to the broken tamper band 4.
  • the neck of the bottle has a tamper-proof band 4 non-aggressive for the lips of the user if he chooses to drink directly from the neck of the bottle.
  • the inner walls 512 and outer 511 of the bridges are tangent respectively to the inner walls 412 and outer 411 of the upper part 41 of the tamper-evident band 4.
  • the advantage of this embodiment is that it is possible to adjust the area where the breakable bridges 5 break, and to ensure that when the breakable bridges break, the majority of the material of the breakable bridges 5 remains integral with the brace. inviolability 4.
  • breakable bridges 5 are positioned at the interface between the breakable bridges 5 and the tamper band 4, breakable bridges will break at this minimum thickness. Thus the majority of the body of the breakable bridges will remain attached to the upper part of the closure device 1.
  • the breakable bridges 5 may have any intermediate shape between these two embodiments described above, to adjust the tearing force and determine which part of the tamper band 4 and the main part of the closure device 1 the majority of the material of the breakable bridges remains solid once they break. In the case where the majority of the body breakable bridges 5 are maintained on the tamper band 4, the main part of the closure device 1 remains smooth and not aggressive to the fingers once the first opening made.
  • the neck of the bottle has a non-aggressive tamper band 4 for the lips of the user if he chooses to drink directly from the neck of the bottle.
  • the boundaries of this interstitial space are illustrated here in the form of dotted on Figures 3a and 3b .
  • This interstitial space 6 has a narrowing zone, preferentially but optionally in the lower part of this interstitial space 6.
  • the narrowing of this interstitial space makes it possible to produce a tamper-proof band on a closure device 1 having a protective shell 3 of the tamper-evident band, without the excessive deformation of the tamper-evident band 4 breaking off the breakable bridges 5 during demolding of the central portion of the closure device 1.
  • the release of the breakable bridges 5 and gaps between the breakable bridges 5 is effected by the spacing between the inside of the peripheral shell 3 and the tamper band 4, that is to say the l interstitial space 6.
  • the closure device 1 whose tamper band 4 is under an outer shell 3 has a large number of advantages.
  • the tamperproof band 4 not being exposed, it can be designed very thin and therefore reduces the forces resulting from the unscrewing compared to competing plugs equipped with known bands
  • the fine tamper band 4 reduces the molding cycle time of the closure devices by limiting the extra thicknesses to be filled via the breakable bridges 5 and by reducing the cooling time of the tamper-evident strip 4. This allows an economical and economical saving. an increase in rates.
  • the consumer when opening by unscrewing, the consumer can not pinch the tamper band 4, so does not generate additional friction even if the cap 1 is maintained over its entire height.
  • the outer shell 3 increases the gripping diameter of the user, thereby increasing the feeling of comfort when he seeks to break by unscrewing the breakable bridges 5.
  • the increase in diameter of the outer shell 3 only in the lower part of the closure device 1 has the advantage of not modifying the existing assembly lines of the closure devices 1 on the bottles, the training being done on the upper part of the closure devices 1.
  • This closure device 1 also reduces the demolding forces exerted on the breakable bridges 5 during the movements of the various constituent parts of the mold, which can lead to break breakable bridges 5; this limits the scrap rate of capping devices 1 not compliant because having scored breakable bridges 5.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

Dispositif de bouchage (1) circulaire d'axe central O-O' destiné à être monté sur un col de flacon, comprenant une partie haute (11) avec un moyen d'assemblage réversible (2) au col du flacon, et une coque externe (3) recouvrant au moins partiellement une bande d'inviolabilité (4) reliée par des pontets sécables (5) à la partie haute (11) du dispositif de bouchage, l'ensemble étant monobloc, la bande d'inviolabilité (4) comprend une partie supérieure (41) proche des pontets sécables (5), une partie amincie intermédiaire (42) et une partie inférieure (43), la partie amincie (42) formant une zone circulaire de rabattement de la partie inférieure (43) contre la partie supérieure (41). Les pontets sécables (5) sont des lames rayonnant depuis l'axe O-O', délimités par un espace entre une paroi interne (311) de la coque externe (3) et une prolongation verticale d'une paroi interne (412) de la partie supérieure (41) de la bande d'inviolabilité (4).

Figure imgaf001
Figure imgaf002
Figure imgaf003
A central axis circular closure device (1) OO 'intended to be mounted on a neck of a bottle, comprising an upper part (11) with a reversible assembly means (2) at the neck of the bottle, and an outer shell ( 3) at least partially covering a tamper-evident band (4) connected by breakable bridges (5) to the upper part (11) of the closure device, the assembly being in one piece, the tamper-evident band (4) comprises a upper portion (41) close to the breakable bridges (5), an intermediate thinned portion (42) and a lower portion (43), the thinned portion (42) forming a circular zone for folding the lower portion (43) against the portion higher (41). The breakable bridges (5) are blades radiating from the axis O-O 'delimited by a space between an inner wall (311) of the outer shell (3) and a vertical extension of an inner wall (412) of the upper part (41) of the tamper-evident band (4).
Figure imgaf001
Figure imgaf002
Figure imgaf003

Description

Domaine techniqueTechnical area

L'invention se rapporte à un dispositif de bouchage destiné à être monté sur le col d'un flacon.The invention relates to a closure device for mounting on the neck of a bottle.

Etat de la techniqueState of the art

Il est connu la réalisation de bouchons ou capsules destinés à être montés sur le col d'un flacon, présentant une bande d'inviolabilité maintenue par des pontets sécables.It is known the production of caps or capsules intended to be mounted on the neck of a bottle, having a tamper band held by breakable bridges.

Ainsi, dans l'état de la technique, le brevet US4147268 présente un bouchon inviolable pour une utilisation sur un récipient standard ayant une partie de col fileté et une collerette en dessous de la partie filetée.Thus, in the state of the art, the US4147268 has a tamperproof plug for use on a standard container having a threaded neck portion and a flange below the threaded portion.

Le bouchon est constitué d'une partie supérieure qui dispose d'un filetage intérieur, laquelle partie est rattachée par des pontets sécables à une partie inférieure constituée d'une bande d'inviolabilité flexible dans la continuité du filetage intérieur, cette partie inférieure étant recouverte sur sa périphérie par une coque externe protégeant latéralement la bande d'inviolabilité. La bande d'inviolabilité se prolonge en partie au dessous de la coque externe de sorte qu'elle peut être facilement visualisée. La coque externe se prolonge au delà des pontets sécables pour les protéger contre la falsification et la séparation.The cap consists of an upper part which has an internal thread, which part is attached by breakable bridges to a lower part consisting of a flexible tamper band in the continuity of the internal thread, this lower part being covered on its periphery by an outer shell laterally protecting the tamper-evident band. The tamper-evident band extends partially below the outer shell so that it can be easily visualized. The outer shell extends beyond the breakable bridges to protect them from falsification and separation.

La bande d'inviolabilité comporte une surface qui vient en prise sous la collerette du col lorsque le bouchon est vissé sur le récipient. Cette surface consiste en une pluralité de portions en surépaisseur.The tamper-evident band has a surface that engages under the flange of the neck when the cap is screwed onto the container. This surface consists of a plurality of portions of extra thickness.

Lors du premier vissage, la bande d'inviolabilité se déforme élastiquement pour passer par-dessus le diamètre de la collerette et la surface de la bande d'inviolabilité vient en appui sur la partie inférieure de la collerette pour sécuriser la bande d'inviolabilité sous la collerette. Lors du dévissage, les pontets sont rompus et déconnectent complètement la bande d'inviolabilité du reste du bouchon.During the first screwing, the tamper-evident band deforms elastically to pass over the diameter of the flange and the surface of the tamper-evident strip bears against the lower part of the flange to secure the tamper-evident band under the collar. When unscrewing, the jumpers are broken and completely disconnect the tamper band from the rest of the plug.

De manière connue, ce type de bouchon est réalisé par moulage par injection de matières thermoplastique.In known manner, this type of plug is made by injection molding of thermoplastic materials.

L'inconvénient de ces surépaisseurs est qu'elles augmentent les efforts auxquels sont soumis les pontets lors du démoulage des bouchons.The disadvantage of these extra thicknesses is that they increase the forces to which the bridges are subjected when demolding plugs.

Ainsi, lors de l'opération de démoulage les efforts de démoulage en force de ces surépaisseurs peuvent mener à la rupture des pontets. Le terme démoulage en force signifie qu'un élément du moule comporte une contre-dépouille gênant le démoulage. Pour permettre l'éjection de la pièce, celle-ci doit se déformer, se plier ou s'étirer autour de cette contre-dépouille.Thus, during the demolding operation, the stripping forces in force of these extra thicknesses can lead to the rupture of the bridges. The term force release means that an element of the mold has an undercut hindering the demoulding. To allow the ejection of the piece, it must deform, bend or stretch around this undercut.

De manière connue également, ces bouchons sont montés sur les cols de flacons pendant une opération automatisée sur des lignes d'embouteillages.In a manner also known, these caps are mounted on the necks of bottles during an automated operation on lines of traffic jams.

Du fait de ces surépaisseurs, la bande d'inviolabilité se déforme moins facilement lors du montage automatisé du bouchon sur le col du flacon, et augmente les contraintes transmises aux pontets de maintien de la bande d'inviolabilité lors du passage de la collerette du col, augmentant leur risque de rupture.Because of these extra thicknesses, the tamper-evident band deforms less easily during the automated assembly of the cap on the neck of the bottle, and increases the stresses transmitted to the bridges for holding the tamper-evident band during the passage of the neck collar. , increasing their risk of rupture.

En outre, la transmission des forces pour provoquer la rupture des pontets se fait via la surface d'appui de ces surépaisseurs contre la paroi inférieure de la collerette du col. La géométrie de ces surépaisseurs nécessite donc, de manière contradictoire:

  • De faciliter le démoulage en évitant d'avoir des contre dépouilles et éviter ainsi la rupture des pontets.
  • D'assurer une bonne transmission des forces entre la surface d'appui et la partie inférieure de la collerette du col en ayant une surface de contact la plus importante possible. Cette surface de contact est obtenue par des contre dépouilles importantes, qui exerceront des contraintes importantes sur les pontets lors du démoulage.
In addition, the transmission of forces to cause breakage of the bridges is via the bearing surface of these extra thicknesses against the wall lower collar collar. The geometry of these extra thicknesses therefore requires, in a contradictory way:
  • To facilitate the demolding by avoiding to have undercuts and thus avoid the rupture of the bridges.
  • To ensure a good transmission of forces between the bearing surface and the lower part of the neck collar with the largest possible contact area. This contact surface is obtained by against large bodies, which will exert significant stress on the bridges during demolding.

Description de l'inventionDescription of the invention

L'invention propose de résoudre ces inconvénients et à cet effet l'invention consiste en un dispositif de bouchage circulaire d'axe central destiné à être monté sur un col de flacon, comprenant:

  • Une partie haute avec au moins un moyen d'assemblage réversible au col du flacon,
  • une coque externe recouvrant au moins partiellement une bande d'inviolabilité reliée par des pontets sécables au reste de la partie haute du dispositif de bouchage,
  • l'ensemble étant monobloc,
  • il est caractérisé en ce que la bande d'inviolabilité comprend une partie supérieure proche des pontets sécables, une partie amincie intermédiaire et une partie inférieure, la partie amincie formant une zone circulaire de rabattement de la partie inférieure contre la partie supérieure.
The invention proposes to solve these drawbacks and for this purpose the invention consists of a central axis circular closure device intended to be mounted on a neck of the bottle, comprising:
  • An upper part with at least one reversible assembly means at the neck of the bottle,
  • an outer shell at least partially covering a tamper-evident strip connected by breakable bridges to the rest of the upper part of the closure device,
  • the assembly being monobloc,
  • it is characterized in that the tamper-evident band comprises an upper part close to the breakable bridges, an intermediate thinned part and a lower part, the thinned part forming a circular zone of folding of the lower part against the upper part.

Le dispositif de bouchage sous cette configuration est obtenu par exemple par moulage par injection de matière plastique, réalisé en une seule opération de moulage.The closure device in this configuration is obtained for example by plastic injection molding, performed in a single molding operation.

Avantageusement, la partie inférieure de la bande d'inviolabilité est rabattue sur le long de la partie amincie et la partie inférieure de la bande d'inviolabilité est orientée vers le haut et l'intérieur du dispositif de bouchage. Cela améliore l'appui de la bande d'inviolabilité sur la surface inférieure de la collerette du col du flacon ; Cette opération de rabattement peut être effectuée par un mouvement d'un outil alors que le dispositif de bouchage est encore maintenu au moins partiellement dans le moule d'injection plastique ou ultérieurement, par une opération intermédiaire qui est effectuée entre la phase de démoulage et l'étape de montage sur le col du flacon à obturer.Advantageously, the lower part of the tamper-evident band is folded down along the thinned portion and the lower part of the tamper-evident band faces upwardly and inwardly of the closure device. This improves the support of the tamper-evident band on the lower surface of the flange of the neck of the flask; This folding operation can be performed by a movement of a tool while the closure device is still maintained at least partially in the plastic injection mold or subsequently, by an intermediate operation which is performed between the demolding phase and the mounting step on the neck of the bottle to be sealed.

Selon une première variante, le moyen d'assemblage réversible au col du flacon est constitué d'au moins un filet, le dispositif de bouchage étant un bouchon.According to a first variant, the reversible assembly means at the neck of the bottle consists of at least one thread, the closure device being a plug.

Selon une seconde variante, le moyen d'assemblage réversible au col du flacon est au moins une partie à clipser, le dispositif de bouchage étant une capsule.According to a second variant, the reversible assembly means at the neck of the bottle is at least one part to be clipped, the closure device being a capsule.

Avantageusement, la bande d'inviolabilité est continue. La garantie d'inviolabilité avec une bande d'inviolabilité est mieux assurée que s'il avait été réalisé par des languettes.Advantageously, the tamper-evident band is continuous. The guarantee of inviolability with a tamper-evident band is better assured than if it had been made by tongues.

Avantageusement, la partie inférieure de la bande d'inviolabilité est continue. Cela présente l'avantage de mieux transmettre les efforts de dévissage que si la partie inférieure de la bande d'inviolabilité avait été constituée par une succession de créneaux.Advantageously, the lower part of the tamper-evident band is continuous. This has the advantage of better transmitting the unscrewing efforts than if the lower part of the tamper band had been formed by a succession of slots.

Selon une troisième variante, la coque externe comprend une lumière, laissant voir certains parmi les pontets et la bande d'inviolabilité. Il est ainsi possible de vérifier visuellement les témoins d'effraction.According to a third variant, the outer shell comprises a light, showing some of the bridges and the tamper band. It is thus possible to visually verify the tamper evidence.

Selon une quatrième variante, la coque externe est transparente, laissant voir les pontets et la bande d'inviolabilité. Il est ainsi possible de vérifier visuellement les témoins d'effraction,According to a fourth variant, the outer shell is transparent, revealing the bridges and the tamper-evident band. It is thus possible to visually verify the burglary

Selon une cinquième variante, les pontets sécables sont des lames rayonnant depuis l'axe central 0-0', délimitées par un espace interstitiel entre une paroi interne de la coque externe et une prolongation verticale d'une paroi interne de la partie supérieure de la bande d'inviolabilité. Cela permet de rendre plus dur à rompre les pontets.According to a fifth variant, the breakable bridges are blades radiating from the central axis 0-0 'delimited by an interstitial space between an inner wall of the outer shell and a vertical extension of an inner wall of the upper part of the tamper evident tape. This makes it harder to break the bridges.

Selon une sixième variante, les parois internes et externes des pontets sécables sont tangentes aux parois internes et externes de la partie supérieure de la bande d'inviolabilité. On assure ainsi que les pontets restent accrochés à la bande d'inviolabilité lors de leur rupture, et ne laissent pas une partie inesthétique et agressive pour les doigts sur la face inférieure du dispositif de bouchage.According to a sixth variant, the inner and outer walls of the breakable bridges are tangent to the inner and outer walls of the upper part of the tamper-evident band. It is thus ensured that the bridges remain attached to the tamper-evident band during their break, and do not leave an unsightly and aggressive part for the fingers on the underside of the closure device.

Avantageusement, le dispositif de bouchage comprend un espace interstitiel entre une paroi interne de la coque externe et une prolongation verticale d'une paroi interne de la partie supérieure de la bande d'inviolabilité présentant une zone de rétrécissement. En effet le moule de la partie supérieure de la bande d'inviolabilité présente une dépouille négative nécessitant un démoulage en force.Advantageously, the closure device comprises an interstitial space between an inner wall of the outer shell and a vertical extension of an inner wall of the upper part of the tamper-evident band having a narrowing zone. Indeed the mold of the upper part of the tamper-evident strip has a negative draft requiring a force release.

D'autres avantages pourront encore apparaître à l'homme du métier à la lecture des exemples ci-dessous, illustrés par les figures annexées, donnés à titre illustratif.Other advantages may still appear to those skilled in the art on reading the examples below, illustrated by the appended figures, given for illustrative purposes.

Brève description des figuresBrief description of the figures

  • La figure 1 représente un vue en perspective d'un dispositif de bouchage.The figure 1 represents a perspective view of a closure device.
  • La figure 2 représente une vue de dessus du dispositif de bouchage de la figure 1.The figure 2 represents a top view of the closure device of the figure 1 .
  • La figure 3 représente une vue en coupe selon la ligne III/III indiquée sur la figure 2.The figure 3 represents a sectional view along line III / III indicated on the figure 2 .
  • Les figures 3a et 3b correspondent à des vues de détail de la figure 3 selon les loupes indiquées en figure 3.The Figures 3a and 3b correspond to detailed views of the figure 3 according to the loupes indicated in figure 3 .
  • La figure 4 est une vue en coupe d'un dispositif de bouchage illustré figure 1 selon un plan passant par un axe central 0-0' après le rabattement de la partie inférieure de la bande d'inviolabilité.The figure 4 is a sectional view of an illustrated capping device figure 1 along a plane passing through a central axis 0-0 'after folding the lower part of the tamper-evident band.
  • La figure 5 est une vue de dessous d'un dispositif de bouchage selon une cinquième variante de réalisation où des pontets sécables sont des lames.The figure 5 is a bottom view of a closure device according to a fifth embodiment where breakable bridges are blades.
  • La figure 5b est vue de détail en coupe du dispositif de bouchage de la figure 5.The figure 5b is a detailed sectional view of the closure device of the figure 5 .
  • La figure 6 est une vue en perspective du dispositif de bouchage de la figure 5.The figure 6 is a perspective view of the closure device of the figure 5 .
Description détailléedetailed description

Pour définir le positionnement dans l'espace du dispositif de bouchage 1 dans toute la description, le haut correspond à la partie supérieure sur la vue en coupe du dispositif de bouchage 1 figure 3.To define the positioning in the space of the closure device 1 throughout the description, the top corresponds to the upper part in the sectional view of the closure device 1 figure 3 .

Le terme paroi interne correspond à une paroi située du coté de l'axe central O-O' du dispositif de bouchage.The term inner wall corresponds to a wall located on the side of the central axis O-O 'of the closure device.

Le terme paroi externe correspond aux parois opposées à la paroi interne.The term outer wall corresponds to the walls opposite to the inner wall.

Le terme monobloc signifie que cela la pièce été réalisée en une seule opération d'injection de matière plastique, et non pas en deux ou plus opérations d'injection de matière plastique.The term monoblock means that the piece has been made in a single operation of plastic injection, and not in two or more plastic injection operations.

L'invention consiste en un dispositif de bouchage 1 monobloc. Il est circulaire et comporte un axe central 0-0'. Il est destiné à être monté sur le col d'un flacon (non représenté ici).The invention consists of a blocking device 1 monobloc. It is circular and has a central axis 0-0 '. It is intended to be mounted on the neck of a bottle (not shown here).

Le dispositif de bouchage 1 circulaire d'axe central 00' comprend une partie haute 11 avec au moins un moyen d'assemblage réversible 2 au col du flacon. Il comporte également une coque externe 3 recouvrant au moins partiellement une bande d'inviolabilité 4 reliée par des pontets sécables 5 au reste de la partie haute 11 du dispositif de bouchage 1.The circular closure device 1 of central axis 00 'comprises an upper part 11 with at least one reversible assembly means 2 at the neck of the bottle. It also comprises an outer shell 3 at least partially covering a tamper-evident band 4 connected by breakable bridges 5 to the remainder of the upper part 11 of the closure device 1.

La bande d'inviolabilité 4 comprend une partie supérieure 41 proche des pontets sécables 5, une partie amincie intermédiaire 42 et une partie inférieure 43, la partie amincie 42 formant une zone circulaire de rabattement de la partie inférieure 43 contre la partie supérieure 41.The tamper-evident band 4 comprises an upper part 41 close to the breakable bridges 5, an intermediate thinned part 42 and a lower part 43, the thinned part 42 forming a circular zone of folding of the lower part 43 against the upper part 41.

Le dispositif de bouchage 1 est constitué d'une bande d'inviolabilité 4 et d'une partie principale complémentaire.The closure device 1 consists of a tamper band 4 and a complementary main part.

Le dispositif de bouchage 1 comporte dans sa partie haute 11 un moyen d'assemblage réversible 2, sous la forme d'au moins un filet 2 destiné à coopérer avec une partie filetée du col d'un flacon.The closure device 1 comprises in its upper part 11 a reversible assembly means 2, in the form of at least one thread 2 for cooperating with a threaded portion of the neck of a bottle.

Le nombre de filets 2 présent sur le dispositif de bouchage 1 peut varier selon le choix du pas du filetage et la configuration de la partie filetée complémentaire du flacon.The number of threads 2 present on the closure device 1 may vary according to the choice of the pitch of the thread and the configuration of the complementary threaded portion of the bottle.

Dans l'exemple illustré le dispositif de bouchage 1 est un bouchon, mais ce dispositif de bouchage 1 peut également par exemple être une capsule. Le bouchon comporte un filetage alors que la capsule comporte un ou plusieurs ergots ou clips passant par déformation élastique une partie du col du flacon lors du montage.In the illustrated example, the closure device 1 is a plug, but this plugging device 1 can also for example be a capsule. The cap has a thread while the capsule has one or more lugs or clips passing by elastic deformation part of the neck of the bottle during assembly.

Une bande d'inviolabilité 4 est réalisée selon la première variante dans la continuité basse de la partie haute 11, sur la partie inférieure du dispositif de bouchage 1.A tamper-evident band 4 is made according to the first variant in the low continuity of the upper part 11, on the lower part of the closure device 1.

Cette bande d'inviolabilité 4 est venue de matière avec le dispositif de bouchage 1 par l'intermédiaire de pontets sécables 5.This tamperproof band 4 is integral with the closure device 1 by means of breakable bridges 5.

Une partie de la bande d'inviolabilité 4 est recouverte par une coque externe 3. La limite inférieure couverte par la coque externe 3 est identifiée sur les figures 3, 3a, 3b, 5b par une ligne horizontale W-W'.Part of the tamper band 4 is covered by an outer shell 3. The lower limit covered by the outer shell 3 is identified on the Figures 3, 3a, 3b , 5b by a horizontal line W-W '.

La bande d'inviolabilité 4 présente une partie supérieure 41 en contact avec les pontets sécables 5, une partie amincie 42 intermédiaire et une partie inférieure 43, comme visible sur la droite de la figure 3 et sur la figure 3b. Sur la gauche de la figure 3 et sur la figure 3a, est présenté un exemple d'espacement entre les pontets sécables.The tamper evident band 4 has an upper portion 41 in contact with the breakable bridges 5, an intermediate thinned portion 42 and a lower portion 43, as visible on the right of the figure 3 and on the figure 3b . On the left of the figure 3 and on the figure 3a , is shown an example of spacing between the breakable bridges.

La partie amincie 42 forme une zone circulaire de rabattement permettant de rabattre vers l'intérieur la partie inférieure 43 contre la partie supérieure 41 de la bande d'inviolabilité 4 et mettre en regard leur deux parois internes 412 et 431.The thinned portion 42 forms a circular crimping zone making it possible to fold the lower part 43 inwards against the upper part 41 of the tamper-evident band 4 and to face their two inner walls 412 and 431.

La figure 4 illustre la position de la bande d'inviolabilité 4 avant montage autour d'un col de flacon.The figure 4 illustrates the position of the tamper band 4 before mounting around a vial neck.

Le col du flacon comporte une collerette destinée à coopérer avec la bande d'inviolabilité 4 du dispositif de bouchage 1.The neck of the bottle comprises a flange intended to cooperate with the tamper band 4 of the closure device 1.

Lors de l'assemblage du dispositif de bouchage sur le col du flacon sur les lignes d'embouteillements, la bande d'inviolabilité 4 se déforme élastiquement au-delà du diamètre de la collerette pour passer par-dessus de la collerette du col du flacon et venir en appui contre une partie inférieure de la collerette du col du flacon pour bloquer tout déplacement vers le haut du col.During the assembly of the closure device on the neck of the bottle on the bottling lines, the tamper-evident band 4 deforms elastically beyond the diameter of the collar to pass over the collar of the neck of the bottle. and come in support against a party bottom of the collar of the neck of the bottle to block any movement up the neck.

Lors de la première ouverture du flacon, la bande d'inviolabilité 4 vient en appui contre une partie inférieure de la collerette du col de flacon et transmet l'effort d'ouverture à la bande d'inviolabilité 4 pour provoquer la rupture de ses pontets sécables 5 par arrachement.At the first opening of the bottle, the tamper-evident band 4 bears against a lower part of the flange of the neck of the flask and transmits the opening force to the tamper-evident band 4 in order to break its bridges. breakable 5 by tearing.

La bande d'inviolabilité 4 se détache et reste positionnée sous la collerette.The tamper band 4 is detached and remains positioned under the collar.

Lorsque le dispositif de bouchage 1 est monté sur un col de flacon, la partie inférieure 43 de la bande d'inviolabilité 4 se retrouve coincée entre la paroi intérieure 412 de la partie supérieure 41 de la bande d'inviolabilité 4 et le col du flacon, non représenté ici.When the closure device 1 is mounted on a vial neck, the lower portion 43 of the tamper-evident band 4 is trapped between the inner wall 412 of the upper part 41 of the tamper-evident band 4 and the neck of the vial. , not shown here.

Ce mode de réalisation de la bande d'inviolabilité 4 rend plus déformable et plus performante la fonction d'inviolabilité.

  • Plus déformable parce que du fait de sa finesse, la bande d'inviolabilité 4 se déforme plus facilement lors du montage sur les lignes d'embouteillement automatisées du dispositif de bouchage 1 sur le col du flacon, et réduit les contraintes transmises aux pontets sécables 5 lors du passage de la collerette du col, limitant ainsi leur risque de rupture et donc la non-conformité de l'assemblage.
  • Plus performante parce que la partie inférieure 43 de la bande d'inviolabilité 4 est dirigée vers le haut et le centre du dispositif de bouchage 1. Une fois le dispositif de bouchage 1 monté sur un col de flacon, l'extrémité de la bande d'inviolabilité 43 est positionnée verticalement sans jeu entre la partie supérieure 41 de la bande d'inviolabilité 4 et autour du col. Cette extrémité 43 est en appui sur la face inférieure horizontale de la collerette du col du flacon. Lors du premier dévissage ou décapsulage, la bande d'inviolabilité est en appui direct sur la collerette du flacon, sans possibilité de déformation latérale ou de glissement. Les efforts exercés pour dévisser ou décapsuler la première fois le dispositif de bouchage 1 sont transmis à la bande d'inviolabilité 4 pour arracher les pontets sécables 5. Avec un système de l'état de la technique, on pourrait avoir une déformation latérale ou un glissement de la bande d'inviolabilité, et une partie des efforts exercés auraient été dissipés.
This embodiment of the tamper-evident band 4 makes the tamper-proof function more deformable and more efficient.
  • More deformable because because of its fineness, the tamper-evident band 4 deforms more easily during assembly on the automated bottling lines of the closure device 1 on the neck of the bottle, and reduces the stresses transmitted to the breakable bridges 5 during the passage of the neck collar, thus limiting their risk of rupture and therefore the non-compliance of the assembly.
  • More efficient because the lower portion 43 of the tamper-evident band 4 is directed upwardly and centrally of the closure device 1. Once the closure device 1 is mounted on a vial neck, the end of the sealing strip 1 tamper 43 is positioned vertically without clearance between the upper portion 41 of the tamper band 4 and around the neck. This end 43 is supported on the lower horizontal face of the neck flange of the bottle. During the first unscrewing or uncapping, the tamper band is in direct support on the flange of the bottle, without the possibility of lateral deformation or slippage. The forces exerted to unscrew or unscap the plugging device 1 for the first time are transmitted to the tamperproof strip 4 in order to tear off the breakable bridges 5. With a system of the state of the art, it would be possible to have lateral deformation or slip of the tamper-evident band, and some of the exerted efforts would have been dissipated.

Ce mode de réalisation d'une bande d'inviolabilité 4 rabattue assure une meilleure transmission des forces pour provoquer la rupture des pontets sécables 5 par rapport aux bandes d'inviolabilité présentant des surépaisseurs.This embodiment of a tamper-evident band 4 ensures a better transmission of forces to cause breakage of the breakable bridges 5 with respect to the tamper-evident strips having extra thicknesses.

Pour un dispositif de bouchage de type bouchon cette configuration réduit le couple de dévissage nécessaire pour arracher les pontets sécables 5, et donc faciliter le premier dévissage par l'utilisateur.For a plug type closure device this configuration reduces the unscrewing torque required to pull the breakable bridges 5, and thus facilitate the first unscrewing by the user.

Pour un dispositif de bouchage de type capsule, cette configuration réduit l'effort de décapsulage nécessaire pour arracher les pontets sécables 5, et donc faciliter le premier décapsulage par l'utilisateur.For a capsule-type closure device, this configuration reduces the uncapping force necessary to tear the breakable bridges 5, and thus facilitate the first decapping by the user.

La bande d'inviolabilité 4 est ici circulaire et continue.The tamper band 4 is here circular and continuous.

Cela présente l'avantage, une fois la partie principale du dispositif de bouchage 1 retiré du col du flacon et la bande d'inviolabilité 4 dissociée, de laisser celle-ci coincée sous la collerette du col du flacon et de visualiser rapidement que le flacon a déjà été ouvert.This has the advantage, once the main part of the closure device 1 removed from the neck of the vial and the tamper-evident band 4, to leave it wedged under the flange of the neck of the vial and to quickly visualize that the vial has already been opened.

Dans une variante non décrite ici, la bande d'inviolabilité 4 peut être constituée par une succession d'arcs discontinus disposés sur une périphérie de la bande d'inviolabilité 4, et rattachés entre eux par des pontets sécables, non représentés ici.In a variant not described here, the tamper band 4 may be constituted by a succession of discontinuous arcs arranged on a periphery of the tamper band 4, and attached to each other by breakable bridges, not shown here.

Cette variante a l'avantage de laisser accrochée la bande d'inviolabilité 4 sur la partie principale du dispositif de bouchage 1 après déclipsage ou dévissage. Les arcs de la bande d'inviolabilité 4 font alors office de languettes témoins de première ouverture. L'utilisateur peut alors terminer de casser les pontets restants pour enlever les languettes témoin de première ouverture, et utiliser la partie principale du dispositif de bouchage 1 pour reboucher le col du flacon.This variant has the advantage of letting the tamper band 4 hang on the main part of the closure device 1 after unclipping or unscrewing. The arcs of the tamper band 4 then make office of first opening indicator tabs. The user can then finish breaking the remaining bridges to remove the first opening indicator tabs, and use the main part of the closure device 1 to reseal the neck of the bottle.

La partie inférieure 43 de la bande d'inviolabilité 4 qui est rabattue est ici continue.The lower portion 43 of the tamperproof band 4 which is folded down here is continuous.

Elle peut cependant aussi être discontinue, et présenter des ondulations ou crénelage qui facilitent le rabattement de cette partie vers l'intérieur et vers le haut du dispositif de bouchage 1.However, it can also be discontinuous, and have corrugations or aliasing that facilitate the folding of this portion inwardly and upwardly of the closure device 1.

Le dispositif de bouchage 1 comporte sur sa partie inférieure une coque externe 3 venue de matière avec le dispositif de bouchage 1, de forme générale circulaire autour de l'axe central 0-0'.The closure device 1 comprises on its lower part an outer shell 3 integral with the closure device 1, of generally circular shape about the central axis 0-0 '.

La bande d'inviolabilité 4 est majoritairement sous la coque externe 3, afin qu'elle ne soit pas accessible avec les doigts ou simplement avec un outil sans risquer d'endommager les pontets. La limite inférieure de la bande d'inviolabilité 4 couverte par la coque externe 3 est délimité par la ligne horizontale W-W' correspondant au bas de la coque présentée sur la figure 3, 3a, 3b, 5b.The tamper-evident band 4 is mainly under the outer shell 3, so that it is not accessible with the fingers or simply with a tool without risking damage to the jumpers. The lower limit of the tamper band 4 covered by the outer shell 3 is delimited by the horizontal line WW 'corresponding to the bottom of the shell shown on the figure 3, 3a, 3b , 5b .

Dans le cas où la partie inférieure 43 de la bande d'inviolabilité 4 est rabattue, c'est toute la bande d'inviolabilité 4 qui devient difficilement accessible comme on peut le voir sur la figure 4.In the case where the lower portion 43 of the tamper-evident band 4 is folded down, it is the entire tamper-evident band 4 which becomes difficult to access as can be seen on the figure 4 .

La protection de la bande d'inviolabilité 4 par la coque externe 3 permet à la bande d'inviolabilité 4 de ne pas être sollicitée lors des différentes phases de la vie du produit entre son injection et sa pose sur les lignes de bouchage des flacons (production, transport, déchargement, convoyage dans des trémies).The protection of the tamper-evident band 4 by the outer shell 3 makes it possible for the tamper-proof band 4 not to be stressed during the different phases of the life of the product between its injection and its laying on the corking lines of the bottles ( production, transport, unloading, conveying in hoppers).

Cette coque externe 3 présente des lumières 31, ici au nombre de 6. Ces lumières 31 permettent de vérifier l'intégrité des pontets sécables 5 reliant la bande d'inviolabilité 4 au reste du dispositif de bouchage 1. En effet, une fois le dispositif de bouchage 1 monté sur le col d'un flacon, les pontets sécables 5 ne sont pas visibles facilement. L'utilisateur ne peut donc pas vérifier simplement si le flacon a déjà été débouché, alors qu'avec des lumières l'utilisateur peut vérifier d'un coup d'oeil l'intégrité de la fonction d'inviolabilitéThis outer shell 3 has lights 31, here at the number of 6. These lights 31 allow to check the integrity of the breakable bridges 5 connecting the tamper band 4 to the rest of the closure device 1. Indeed, once the device capping 1 mounted on the neck of a bottle, breakable bridges 5 are not easily visible. The user can not therefore simply check whether the bottle has already been opened, while with lights the user can check at a glance the integrity of the tamper function

Il est possible de substituer la réalisation de lumières 31 dans le dispositif de bouchage 1 par l'utilisation d'une matière plastique transparente. Auquel cas, l'utilisateur peut vérifier par transparence l'intégrité des pontets sécables 5.It is possible to substitute the embodiment of lights 31 in the closure device 1 by the use of a transparent plastic material. In which case, the user can verify by transparency the integrity of the breakable bridges 5.

Les pontets sécables 5 relient la partie haute 11 du dispositif de bouchage 1 à la partie supérieure 41 de la bande d'inviolabilité 5.The breakable bridges 5 connect the upper part 11 of the closure device 1 to the upper part 41 of the tamper band 5.

Ces pontets sécables 5 se rompent lorsqu'ils sont soumis à une contrainte d'arrachement lors du dévissage ou du déclipsage du dispositif de bouchage 1 par rapport au col d'un flacon sur lequel il est monté.These breakable bridges 5 break when they are subjected to tearing stress during the unscrewing or unclipping of the closure device 1 relative to the neck of a bottle on which it is mounted.

Ces pontets sécables 5 sont réalisés sous la forme de lames portées par des rayons horizontaux depuis l'axe central 0-0' comme présenté figure 5, 5b et 6.These breakable bridges 5 are made in the form of blades carried by horizontal rays from the central axis 0-0 'as shown Figure 5, 5b and 6 .

Les pontets sécables selon ce mode de réalisation sont issus du prolongement virtuel d'une paroi interne 412 de la partie supérieure de la bande d'inviolabilité 41 et s'étendent jusqu'à une paroi interne 311 de la coque externe 3.The breakable bridges according to this embodiment are derived from the virtual extension of an inner wall 412 of the upper part of the tamper-evident band 41 and extend as far as an inner wall 311 of the outer shell 3.

La force d'arrachement des lames formant pontets sécables 5 peut être ajustée simplement.The breakout force of the breakable blade members 5 can be adjusted simply.

Selon ce mode de réalisation, il suffit de faire varier la hauteur et l'épaisseur des lames formant pontet sécables 5 pour modifier leur résistance à la force d'arrachement.According to this embodiment, it is sufficient to vary the height and thickness of the breakable scored blades 5 to change their resistance to pulling force.

Une partie principale du corps des pontets sécables 5 reste rattachée à la partie principale du dispositif de bouchage 1 et non pas à la bande d'inviolabilité 4 rompue.A main part of the body of the breakable bridges 5 remains attached to the main part of the clogging device 1 and not to the broken tamper band 4.

Cela s'obtient en positionnant l'épaisseur minimale des lames 5 à l'interface entre les lames 5 et la partie haute 11 du dispositif de bouchage 1, les lames 5 se rompant au niveau de cette épaisseur minimale.This is achieved by positioning the minimum thickness of the blades 5 at the interface between the blades 5 and the upper part 11 of the closure device 1, the blades 5 breaking at this minimum thickness.

Selon ce mode de réalisation, la majorité du corps des lames formant pontets sécables 5 restant solidaire de la bande d'inviolabilité 4, le col du flacon présente une bande d'inviolabilité 4 non agressive pour les lèvres de l'utilisateur s'il choisit de boire directement au goulot du flacon.According to this embodiment, the majority of the body of the breakable blade forming blades 5 remaining integral with the tamper-evident band 4, the neck of the bottle has a tamper-proof band 4 non-aggressive for the lips of the user if he chooses to drink directly from the neck of the bottle.

Selon un autre mode de réalisation préféré, les parois internes 512 et externes 511 des pontets sont tangentes respectivement aux parois internes 412 et externes 411 de la partie supérieure 41 de la bande d'inviolabilité 4.According to another preferred embodiment, the inner walls 512 and outer 511 of the bridges are tangent respectively to the inner walls 412 and outer 411 of the upper part 41 of the tamper-evident band 4.

L'avantage de ce mode de réalisation est de pouvoir ajuster la zone où se rompent les pontets sécables 5, et faire en sorte que lorsque les pontets sécables se rompent, la majorité de la matière des pontets sécables 5 reste solidaire à la bande d'inviolabilité 4.The advantage of this embodiment is that it is possible to adjust the area where the breakable bridges 5 break, and to ensure that when the breakable bridges break, the majority of the material of the breakable bridges 5 remains integral with the brace. inviolability 4.

Cela s'obtient en positionnant l'épaisseur minimale des pontets sécables 5 à l'interface entre les pontets sécables 5 et la partie haute du dispositif de bouchage 1, les pontets sécables 5 vont se rompre au niveau de cette épaisseur minimale. Ainsi la majorité du corps des pontets sécables 5 restera solidaire de la bande d'inviolabilité 4.This is obtained by positioning the minimum thickness of the breakable bridges 5 at the interface between the breakable bridges 5 and the upper part of the closure device 1, the breakable bridges 5 will break at this minimum thickness. Thus the majority of the body breakable bridges 5 will remain attached to the tamper band 4.

A l'inverse, en positionnant l'épaisseur minimale des pontets sécables 5 à l'interface entre les pontets sécables 5 et la bande d'inviolabilité 4, les pontets sécables vont se rompre au niveau de cette épaisseur minimale. Ainsi la majorité du corps des pontets sécables restera solidaire de la partie haute du dispositif de bouchage 1.Conversely, by positioning the minimum thickness of the breakable bridges 5 at the interface between the breakable bridges 5 and the tamper band 4, breakable bridges will break at this minimum thickness. Thus the majority of the body of the breakable bridges will remain attached to the upper part of the closure device 1.

Alternativement, les pontets sécables 5 peuvent avoir toute forme intermédiaire entre ces deux modes de réalisation décrits plus haut, pour ajuster la force d'arrachement et déterminer à quelle partie de la bande d'inviolabilité 4 et de la partie principale du dispositif de bouchage 1 la majorité de la matière des pontets sécables reste solidaire une fois ceux-ci rompus. Dans le cas où la majorité du corps des pontets sécables 5 sont maintenus sur la bande d'inviolabilité 4, la partie principale du dispositif de bouchage 1 reste lisse et non agressive pour les doigts une fois la première ouverture réalisée.Alternatively, the breakable bridges 5 may have any intermediate shape between these two embodiments described above, to adjust the tearing force and determine which part of the tamper band 4 and the main part of the closure device 1 the majority of the material of the breakable bridges remains solid once they break. In the case where the majority of the body breakable bridges 5 are maintained on the tamper band 4, the main part of the closure device 1 remains smooth and not aggressive to the fingers once the first opening made.

Dans le cas où la majorité du corps du corps des pontets sécables 5 sont maintenus sur la partie principale du dispositif de bouchage 1, le col du flacon présente une bande d'inviolabilité 4 non agressive pour les lèvres de l'utilisateur s'il choisit de boire directement au goulot du flacon.In the case where the majority of the body body breakable bridges 5 are held on the main part of the closure device 1, the neck of the bottle has a non-aggressive tamper band 4 for the lips of the user if he chooses to drink directly from the neck of the bottle.

La paroi interne 311 de la coque externe 3 et le prolongement vertical de la paroi 412 interne de la partie supérieure 41 de la bande d'inviolabilité 4 délimitent latéralement un espace interstitiel 6. Les limites de cet espace interstitiel sont illustrées ici sous la forme de pointillés sur les figures 3a et 3b.The inner wall 311 of the outer shell 3 and the vertical extension of the inner wall 412 of the upper portion 41 of the tamper band 4 laterally delimit an interstitial space 6. The boundaries of this interstitial space are illustrated here in the form of dotted on Figures 3a and 3b .

Cet espace interstitiel 6 présente une zone de rétrécissement, préférentiellement mais facultativement dans la partie inférieure de cet espace interstitiel 6. Le rétrécissement de cet espace interstitiel permet de réaliser une bande d'inviolabilité à rabattement sur un dispositif de bouchage 1 présentant une coque de protection 3 de la bande d'inviolabilité, sans que lors du démoulage de la partie centrale du dispositif de bouchage 1 la déformation excessive de la bande d'inviolabilité 4 ne rompe les pontets sécables 5.This interstitial space 6 has a narrowing zone, preferentially but optionally in the lower part of this interstitial space 6. The narrowing of this interstitial space makes it possible to produce a tamper-proof band on a closure device 1 having a protective shell 3 of the tamper-evident band, without the excessive deformation of the tamper-evident band 4 breaking off the breakable bridges 5 during demolding of the central portion of the closure device 1.

En effet, le démoulage des pontets sécables 5 et des espaces entre les pontets sécables 5 s'effectue par l'espacement compris entre l'intérieur de la coque périphérique 3 et la bande d'inviolabilité 4, c'est-à-dire l'espace interstitiel 6.Indeed, the release of the breakable bridges 5 and gaps between the breakable bridges 5 is effected by the spacing between the inside of the peripheral shell 3 and the tamper band 4, that is to say the l interstitial space 6.

Le dispositif de bouchage 1 dont la bande d'inviolabilité 4 est sous une coque externe 3 présente un grand nombre d'avantages.The closure device 1 whose tamper band 4 is under an outer shell 3 has a large number of advantages.

La bande d'inviolabilité 4 n'étant pas exposée, elle peut être conçue très fine et diminue donc les efforts résultant du dévissage par rapport aux bouchons concurrents équipés de bandes connuesThe tamperproof band 4 not being exposed, it can be designed very thin and therefore reduces the forces resulting from the unscrewing compared to competing plugs equipped with known bands

La bande d'inviolabilité 4 fine réduit le temps de cycle de moulage des dispositifs de bouchage en limitant les surépaisseurs à remplir via les pontets sécables 5 et en réduisant le temps de refroidissement de la bande d'inviolabilité 4. Cela permet un gain économique et une augmentation des cadences.The fine tamper band 4 reduces the molding cycle time of the closure devices by limiting the extra thicknesses to be filled via the breakable bridges 5 and by reducing the cooling time of the tamper-evident strip 4. This allows an economical and economical saving. an increase in rates.

De plus, lors d'une ouverture par dévissage, le consommateur ne peut pas pincer la bande d'inviolabilité 4, donc ne génère pas de frottement supplémentaire même si le bouchon 1 est maintenu sur toute sa hauteur.In addition, when opening by unscrewing, the consumer can not pinch the tamper band 4, so does not generate additional friction even if the cap 1 is maintained over its entire height.

La coque externe 3 augmente le diamètre de préhension de l'utilisateur, augmentant par là même la sensation de confort lorsqu'il cherche à rompre par dévissage les pontets sécables 5.The outer shell 3 increases the gripping diameter of the user, thereby increasing the feeling of comfort when he seeks to break by unscrewing the breakable bridges 5.

L'augmentation de diamètre de la coque externe 3 uniquement dans la partie inférieure du dispositif de bouchage 1 a l'avantage de ne pas modifier les lignes d'assemblage existantes des dispositifs de bouchage 1 sur les flacons, l'entrainement se faisant sur la partie supérieure des dispositifs de bouchage 1.The increase in diameter of the outer shell 3 only in the lower part of the closure device 1 has the advantage of not modifying the existing assembly lines of the closure devices 1 on the bottles, the training being done on the upper part of the closure devices 1.

La configuration de ce dispositif de bouchage 1 réduit également les efforts de démoulage exercés sur les pontets sécables 5 lors des déplacements des différentes parties constitutives du moule, pouvant mener à la rupture des pontets sécables 5; cela limite le taux de rebut des dispositifs de bouchage 1 non conformes car présentant des pontets sécables 5 rompus.The configuration of this closure device 1 also reduces the demolding forces exerted on the breakable bridges 5 during the movements of the various constituent parts of the mold, which can lead to break breakable bridges 5; this limits the scrap rate of capping devices 1 not compliant because having scored breakable bridges 5.

Claims (9)

Dispositif de bouchage (1) circulaire d'axe central O-O' destiné à être monté sur un col de flacon, comprenant une partie haute (11) avec au moins un moyen d'assemblage réversible (2) au col du flacon, et une coque externe (3) recouvrant au moins partiellement une bande d'inviolabilité (4) reliée par des pontets sécables (5) à la partie haute (11) du dispositif de bouchage, l'ensemble étant monobloc, la bande d'inviolabilité (4) comprend une partie supérieure (41) proche des pontets sécables (5), une partie amincie intermédiaire (42) et une partie inférieure (43), la partie amincie (42) formant une zone circulaire de rabattement de la partie inférieure (43) contre la partie supérieure (41), caractérisé en ce que les pontets sécables (5) sont des lames rayonnant depuis l'axe central 0-0', délimités par un espace interstitiel entre une paroi interne (311) de la coque externe (3) et une prolongation verticale d'une paroi interne (412) de la partie supérieure (41) de la bande d'inviolabilité (4).Central axis circular closure device (1) OO 'intended to be mounted on a vial neck, comprising an upper part (11) with at least one reversible assembly means (2) at the neck of the vial, and a hull external device (3) at least partially covering a tamper-evident band (4) connected by breakable bridges (5) to the upper part (11) of the closure device, the assembly being in one piece, the tamper-evident band (4) comprises an upper part (41) close to the breakable bridges (5), an intermediate thinned part (42) and a lower part (43), the thinned part (42) forming a circular zone for folding the lower part (43) against the upper part (41), characterized in that the breakable bridges (5) are blades radiating from the central axis 0-0 ', delimited by an interstitial space between an inner wall (311) of the outer shell (3) and a vertical extension of an inner wall (412) of the upper portion (41) of the tamper evident band (4). Dispositif de bouchage selon la revendication 1, caractérisée en ce que la partie inférieure (43) de la bande d'inviolabilité (4) est rabattue sur le long de la partie amincie (42) et que la partie inférieure (42) de la bande d'inviolabilité (4) est orientée vers le haut et l'intérieur du dispositif de bouchage (1).Closing device according to claim 1, characterized in that the lower part (43) of the tamper-evident band (4) is folded down along the thinned portion (42) and the lower part (42) of the band tamper evident (4) is directed upwardly and inwardly of the closure device (1). Dispositif de bouchage selon la revendication 1 ou 2, caractérisé en ce que le moyen d'assemblage réversible (2) au col du flacon est constitué d'au moins un filet et en ce que le dispositif de bouchage (1) est un bouchon.Closing device according to claim 1 or 2, characterized in that the reversible assembly means (2) at the neck of the flask consists of at least one thread and in that the closure device (1) is a plug. Dispositif de bouchage selon la revendication 1 ou 2, caractérisé en ce que le moyen d'assemblage réversible (2) au col du flacon est constitué d'au moins une partie à clipser et en ce que le dispositif de bouchage (1) est une capsule.Clogging device according to claim 1 or 2, characterized in that the reversible assembly means (2) at the neck of the bottle is consisting of at least one part to be clipped and in that the closure device (1) is a capsule. Dispositif de bouchage selon l'une quelconque des revendications précédentes, caractérisé en ce que la bande d'inviolabilité (4) est continue.Clogging device according to one of the preceding claims, characterized in that the tamper-evident band (4) is continuous. Dispositif de bouchage selon l'une quelconque des revendications précédentes, caractérisé en ce que la partie inférieure (42) de la bande d'inviolabilité (4) est continue.Closing device according to any one of the preceding claims, characterized in that the lower part (42) of the tamper-evident band (4) is continuous. Dispositif de bouchage selon l'une quelconque des revendications précédentes, caractérisé en ce que la coque externe (3) comprend une lumière (31) laissant voir certains parmi les pontets sécables (5) et la bande d'inviolabilité (4).Closing device according to any one of the preceding claims, characterized in that the outer shell (3) comprises a slot (31) showing some of the breakable bridges (5) and the tamper band (4). Dispositif de bouchage selon l'une des revendications 1 à 7, caractérisé en ce que des parois internes (512) et externes (511) des pontets sécables (5) sont tangentes aux parois internes (412) et externes (411) de la partie supérieure (41) de la bande d'inviolabilité (4).Closing device according to one of claims 1 to 7, characterized in that inner walls (512) and outer walls (511) of the breakable bridges (5) are tangent to the inner (412) and outer (411) walls of the part upper (41) of the tamper-evident band (4). Dispositif de bouchage selon l'une des revendications précédentes, caractérisé en ce qu'il comprend un espace interstitiel (6) entre une paroi interne (311) de la coque externe (3) et une prolongation verticale d'une paroi interne (412) de la partie supérieure (41) de la bande d'inviolabilité (4) présentant une zone de rétrécissement.Closing device according to one of the preceding claims, characterized in that it comprises an interstitial space (6) between an inner wall (311) of the outer shell (3) and a vertical extension of an inner wall (412) the upper part (41) of the tamper-evident band (4) having a narrowing zone.
EP17152707.0A 2016-01-27 2017-01-23 Plugging device Active EP3199469B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1650649A FR3046993A1 (en) 2016-01-27 2016-01-27 CLOSURE DEVICE

Publications (2)

Publication Number Publication Date
EP3199469A1 true EP3199469A1 (en) 2017-08-02
EP3199469B1 EP3199469B1 (en) 2018-07-18

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EP17152707.0A Active EP3199469B1 (en) 2016-01-27 2017-01-23 Plugging device

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EP (1) EP3199469B1 (en)
ES (1) ES2685006T3 (en)
FR (1) FR3046993A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147268A (en) 1976-09-24 1979-04-03 Patel Chandrakant S Pilfer-proof closure for containers
DE2802126A1 (en) * 1978-01-19 1979-07-26 Chandrakant Somabhai Patel Tamper-proof container closure - has inner skirt attached to body by shear segments and engageable under collar on container neck
DE3144924A1 (en) * 1981-10-23 1983-05-05 Hans 8801 Schillingsfürst Heinlein Tamper-proof closure for bottle-type containers
DE3224002A1 (en) * 1982-06-26 1983-12-29 Robert Finke KG, 5950 Finnentrop Tamper-proof closure
EP0185288A2 (en) * 1984-12-21 1986-06-25 Riedel-De Haen Aktiengesellschaft Packaging means
US20020000420A1 (en) * 2000-06-28 2002-01-03 Saad Taha Container closure
US20150041471A1 (en) * 2007-07-23 2015-02-12 Jeong-min Lee Bottle cap

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147268A (en) 1976-09-24 1979-04-03 Patel Chandrakant S Pilfer-proof closure for containers
DE2802126A1 (en) * 1978-01-19 1979-07-26 Chandrakant Somabhai Patel Tamper-proof container closure - has inner skirt attached to body by shear segments and engageable under collar on container neck
DE3144924A1 (en) * 1981-10-23 1983-05-05 Hans 8801 Schillingsfürst Heinlein Tamper-proof closure for bottle-type containers
DE3224002A1 (en) * 1982-06-26 1983-12-29 Robert Finke KG, 5950 Finnentrop Tamper-proof closure
EP0185288A2 (en) * 1984-12-21 1986-06-25 Riedel-De Haen Aktiengesellschaft Packaging means
US20020000420A1 (en) * 2000-06-28 2002-01-03 Saad Taha Container closure
US20150041471A1 (en) * 2007-07-23 2015-02-12 Jeong-min Lee Bottle cap

Also Published As

Publication number Publication date
EP3199469B1 (en) 2018-07-18
ES2685006T3 (en) 2018-10-05
FR3046993A1 (en) 2017-07-28

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