EP0468902B1 - Closure device with irreversible clamping on the neck of a container - Google Patents

Closure device with irreversible clamping on the neck of a container Download PDF

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Publication number
EP0468902B1
EP0468902B1 EP91420267A EP91420267A EP0468902B1 EP 0468902 B1 EP0468902 B1 EP 0468902B1 EP 91420267 A EP91420267 A EP 91420267A EP 91420267 A EP91420267 A EP 91420267A EP 0468902 B1 EP0468902 B1 EP 0468902B1
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EP
European Patent Office
Prior art keywords
closure device
container
base
cylindrical surface
neck
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91420267A
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German (de)
French (fr)
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EP0468902A1 (en
Inventor
Philippe Odet
Jacques Ambrosi
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.)
Astra Plastique SA
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Astra Plastique SA
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Filing date
Publication date
Application filed by Astra Plastique SA filed Critical Astra Plastique SA
Priority to AT91420267T priority Critical patent/ATE90057T1/en
Publication of EP0468902A1 publication Critical patent/EP0468902A1/en
Application granted granted Critical
Publication of EP0468902B1 publication Critical patent/EP0468902B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0833—Hinges without elastic bias
    • B65D47/0838—Hinges without elastic bias located at an edge of the base element
    • 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
    • B65D2255/00—Locking devices
    • B65D2255/20—Locking devices with coacting elements, e.g. ratchet and pawl, formed integrally in the container and closure or dispensing device, e.g. spout, for permanently preventing removal of the latter

Definitions

  • the present invention relates to a stopper device with irreversible fixing on the neck of a container.
  • This device is of the type in which the neck of the container has a peripheral bead projecting from its outer wall, and in which the closure device comprises a bottom which, intended to come to permanently cover the opening of the neck, itself comprises even an opening for the passage of the products contained in the container, closable by a cap or the like.
  • the closure device comprises a bottom which, intended to come to permanently cover the opening of the neck, itself comprises even an opening for the passage of the products contained in the container, closable by a cap or the like.
  • a closure device In a certain number of applications, a closure device must have good inviolability before the first opening to guarantee the products contained in the container, and also in a certain number of cases it cannot be removed from the container which it equips, even after it has been emptied, for example to avoid the risk of filling this container with an unsuitable product.
  • the object of the invention is to provide a closure device which, on the one hand fulfills these functions, and which on the other hand can be made of synthetic material, with the use of molds of simple structure, and without laying mold release problem.
  • the bottom comprises, projecting from the side of the container, at least two sections of cylindrical surfaces, arranged in a circle of diameter slightly greater than that passing through the outer face. of the bead, each section of cylindrical surface being extended on at least one of its sides in the circumferential direction, by a tab which, integral with this section in the part thereof opposite the bottom, is inclined from the outside inward and from its end integral with the cylindrical surface section towards its end located on the side of the bottom, which bears on the bead.
  • the closure device After completion of the closure device, it is engaged on the neck of the container. During the passage of the tabs in contact with the bead, they retract, before, under the effect of the elasticity of the material to swing back outwards. In the mounted position of the closure device on the neck of the container, the various tabs are braced under the bead that the neck comprises. It then becomes impossible to remove the corking device, except to destroy the lugs of it.
  • each tab is substantially equal to half the height of a section of cylindrical surface.
  • the angle formed by each tab, with the perpendicular to the bottom of the closure device is less than 45 °, and for example of the order of 25 °. This value favors the conditions both for retracting the tabs during the passage of the bead, and for bracing the tabs to ensure that the device is held on the neck of the container.
  • the various pairs of cylindrical surface sections-attachment lugs are arranged in a regular angular distribution.
  • the number of pairs of cylindrical surface sections-attachment lugs is a function of the size of the closure device, and may for example be 3, 4 or 5.
  • this device comprises a cylindrical skirt projecting from the bottom outside of the pairs of cylindrical surface sections-fastening lugs, of length at least equal to these, and the free edge of which is located in the immediate vicinity of the container body.
  • This cylindrical skirt which completely covers the pairs of cylindrical surface sections-fastening tabs, prevents any accessibility to them, so that a user cannot, using a tool, exert an action of deformation on the legs and the cylindrical surface sections associated therewith to allow the legs to escape from the bead.
  • the closure device according to the invention is advantageously made of a polymer material, such as polyethylene, polypropylene or polystyrene.
  • Figure 1 shows the upper part of a container 2, and in particular the shoulder 3 and the neck 4 thereof.
  • the cylindrical neck of the container is fitted near its upper end, and projecting from its outer face, with a bead 5.
  • the plugging device made of synthetic material, comprises a part 6 in the form of a chimney, intended to engage with sealing in the opening 7 of the neck 4.
  • This part 6 in the form of a chimney protrudes from a bottom 8 which rests on the upper edge of the neck. From this bottom 8 protrudes, on the side opposite to which the part 6 is turned, a tubular part 9 forming a spout.
  • On the bottom 8 is articulated by known means, for example in the form of a film hinge 10, an articulated cap 12, comprising a tubular obturator 13 intended to engage in the part 9 to ensure closure of the closure device.
  • the cover 12 has, in its front face, a recess 14 facilitating its opening operation.
  • the bottom 8 is extended, on the side opposite to the cap 12, by a cylindrical skirt 15, which extends to the level of the shoulder 3 of the container 2.
  • Each cylindrical surface section 16 is extended on one of its sides in the circumferential direction, by a lug 17, integral with this section in the part thereof opposite the bottom.
  • This tab 17, also in the form of a cylindrical surface section, is inclined from the outside towards the inside, and from its end integral with the cylindrical surface section, towards its end situated on the side of the bottom 8.
  • the height of the tab 17 is substantially less than the height of the cylindrical surface section 16. In any event, the height of the tab 17 is such that it comes to bear under the bead 5 of the neck 4.
  • the angle formed by each leg with the perpendicular to the bottom 8 is less than 45 °, and advantageously of the order of 25 °.
  • the closure device is positioned opposite the neck of the container, and fixed thereon by simple snap-fastening, the tabs 17 disappearing when they pass in contact with the bead 5, during the axial engagement movement of the closure device on the container neck.
  • the tabs after having exceeded the bead 5, return to their initial position and come to bear and brace themselves under the bead ensuring a definitive fixing of the device on the neck of the container. It should be noted that it is not possible to remove the device from the neck of the container without breaking the hooking tabs.
  • the hooking lugs 17 cannot be actuated to allow the withdrawal of the closure device, since they are made inaccessible taking into account the presence of the cylindrical skirt 15.
  • the invention provides a great improvement to the existing technique by providing a plugging device of simple design, and fixed irreversibly on the neck of the container that it is intended to equip.
  • each section of cylindrical surface could be equipped with two hooking lugs arranged on either side of it or the number of sections of cylindrical surface could be different from four, or even that the device for plugging could be closed by a member other than an articulated cap, without departing from the scope of the invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

In this device, the base (8) comprises, projecting towards the container, at least two sections (16) of cylindrical surfaces, arranged in a circle with a diameter which is slightly greater than that passing via the outer face of the bead (5), each section (16) of cylindrical surface being extended on at least one of its sides in the circumferential direction by a tab (17) which, integral with this section in the part thereof opposite the base (8), is inclined from the outside towards the inside and from its end integral with the section (16) of cylindrical surface towards its end located nearest the base (8), which bears under the bead (5). <IMAGE>

Description

La présente invention a pour objet un dispositif de bouchage à fixation irréversible sur le col d'un récipient.The present invention relates to a stopper device with irreversible fixing on the neck of a container.

Ce dispositif est du type dans lequel le col du récipient comporte un bourrelet périphérique faisant saillie de sa paroi extérieure, et dans lequel le dispositif de bouchage comprend un fond qui, destiné à venir recouvrir de façon permanente l'ouverture du col, comporte lui-même une ouverture pour le passage des produits contenus dans le récipient, obturable par une coiffe ou similaire. Un tel dispositif est divulgé dans le document FR-A-1 486 483.This device is of the type in which the neck of the container has a peripheral bead projecting from its outer wall, and in which the closure device comprises a bottom which, intended to come to permanently cover the opening of the neck, itself comprises even an opening for the passage of the products contained in the container, closable by a cap or the like. Such a device is disclosed in document FR-A-1 486 483.

Dans un certain nombre d'applications, un dispositif de bouchage doit posséder une bonne inviolabilité avant la première ouverture pour garantir les produits contenus dans le récipient, et également dans un certain nombre de cas ne pas pouvoir être retiré du récipient qu'il équipe, même après que celui-ci ait été vidé, par exemple pour éviter les risques de remplissage de ce récipient par un produit non adapté.In a certain number of applications, a closure device must have good inviolability before the first opening to guarantee the products contained in the container, and also in a certain number of cases it cannot be removed from the container which it equips, even after it has been emptied, for example to avoid the risk of filling this container with an unsuitable product.

Le but de l'invention est de fournir un dispositif de bouchage qui, d'une part remplisse ces fonctions, et qui d'autre part puisse être réalisé en matière synthétique, avec mise en oeuvre de moules de structure simple, et sans poser de problème de démoulage.The object of the invention is to provide a closure device which, on the one hand fulfills these functions, and which on the other hand can be made of synthetic material, with the use of molds of simple structure, and without laying mold release problem.

A cet effet, dans le dispositif qu'elle concerne, du type précité, le fond comprend, faisant saillie du côté du récipient, au moins deux tronçons de surfaces cylindriques, disposés selon un cercle de diamètre légèrement supérieur à celui passant par la face extérieure du bourrelet, chaque tronçon de surface cylindrique étant prolongé sur au moins l'un de ses côtés dans le sens circonférentiel, par une patte qui, solidaire de ce tronçon dans la partie de celui-ci opposée au fond, est inclinée de l'extérieur vers l'intérieur et depuis son extrémité solidaire du tronçon de surface cylindrique vers son extrémité située du côté du fond, qui prend appui sur le bourrelet.To this end, in the device that it concerns, of the aforementioned type, the bottom comprises, projecting from the side of the container, at least two sections of cylindrical surfaces, arranged in a circle of diameter slightly greater than that passing through the outer face. of the bead, each section of cylindrical surface being extended on at least one of its sides in the circumferential direction, by a tab which, integral with this section in the part thereof opposite the bottom, is inclined from the outside inward and from its end integral with the cylindrical surface section towards its end located on the side of the bottom, which bears on the bead.

Après réalisation du dispositif de bouchage, celui-ci est engagé sur le col du récipient. Au cours du passage des pattes au contact du bourrelet, celles-ci s'escamotent, avant, sous l'effet de l'élasticité de la matière de rebasculer vers l'extérieur. En position montée du dispositif de bouchage sur le col du récipient, les différentes pattes viennent s'arc-bouter sous le bourrelet que comporte le col. Il devient dès lors impossible de retirer le dispositif de bouchage, sauf à détruire les pattes d'accrochage de celui-ci.After completion of the closure device, it is engaged on the neck of the container. During the passage of the tabs in contact with the bead, they retract, before, under the effect of the elasticity of the material to swing back outwards. In the mounted position of the closure device on the neck of the container, the various tabs are braced under the bead that the neck comprises. It then becomes impossible to remove the corking device, except to destroy the lugs of it.

Selon une caractéristique de l'invention la hauteur de chaque patte est sensiblement égale à la moitié de la hauteur d'un tronçon de surface cylindrique.According to a characteristic of the invention, the height of each tab is substantially equal to half the height of a section of cylindrical surface.

Le décalage des extrémités des pattes par rapport au fond procure aux pattes un libre jeu facilitant non seulement les conditions de montage du dispositif mais également les conditions de démoulage de celui-ci.The offset of the ends of the legs relative to the bottom gives the legs a free play facilitating not only the mounting conditions of the device but also the conditions of demolding of the latter.

Avantageusement l'angle que forme chaque patte, avec la perpendiculaire au fond du dispositif de bouchage est inférieur à 45°, et par exemple de l'ordre de 25°. Cette valeur favorise les conditions tant d'escamotage des pattes lors du passage du bourrelet, que d'arc-boutement des pattes pour assurer la tenue du dispositif sur le col du récipient.Advantageously, the angle formed by each tab, with the perpendicular to the bottom of the closure device is less than 45 °, and for example of the order of 25 °. This value favors the conditions both for retracting the tabs during the passage of the bead, and for bracing the tabs to ensure that the device is held on the neck of the container.

Selon une autre caractéristique de l'invention les différents couples tronçons de surface cylindrique-pattes d'accrochage, sont disposés selon une répartition angulaire régulière. Le nombre de couples tronçons de surface cylindrique-pattes d'accrochage est fonction de la taille du dispositif de bouchage, et peut être par exemple de 3, 4 ou 5.According to another characteristic of the invention, the various pairs of cylindrical surface sections-attachment lugs are arranged in a regular angular distribution. The number of pairs of cylindrical surface sections-attachment lugs is a function of the size of the closure device, and may for example be 3, 4 or 5.

De préférence, ce dispositif comporte une jupe cylindrique faisant saillie du fond à l'extérieur des couples tronçons de surface cylindrique-pattes d'accrochage, de longueur au moins égale à ceux-ci, et dont le bord libre est situé à proximité immédiate du corps du récipient.Preferably, this device comprises a cylindrical skirt projecting from the bottom outside of the pairs of cylindrical surface sections-fastening lugs, of length at least equal to these, and the free edge of which is located in the immediate vicinity of the container body.

Cette jupe cylindrique qui recouvre totalement les couples tronçons de surface cylindrique-pattes d'accrochage, empêche tout accessibilité à ceux-ci, de telle sorte qu'un utilisateur ne peut pas, à l'aide d'un outil, exercer une action de déformation sur les pattes et les tronçons de surface cylindrique qui leur sont associés pour permettre aux pattes d'échapper au bourrelet.This cylindrical skirt which completely covers the pairs of cylindrical surface sections-fastening tabs, prevents any accessibility to them, so that a user cannot, using a tool, exert an action of deformation on the legs and the cylindrical surface sections associated therewith to allow the legs to escape from the bead.

Le dispositif de bouchage selon l'invention est avantageusement réalisé en une matière polymère, telle que polyéthylène, polypropylène ou polystyrène.The closure device according to the invention is advantageously made of a polymer material, such as polyethylene, polypropylene or polystyrene.

De toute façon l'invention sera bien comprise à l'aide de la description qui suit en référence au dessin schématique annexé représentant, à titre d'exemple non limitatif, une forme d'exécution de ce dispositif de bouchage :

  • Figure 1 en est une vue en coupe longitudinale, en position fermée et montée sur le col d'un récipient, selon la ligne I-I de Figure 3 ;
  • Figure 2 est une vue en coupe du fond du dispositif, et de côté d'un couple tronçon de surface cylindrique-patte d'accrochage, à échelle agrandie ;
  • Figure 3 est une vue en coupe transversale de ce dispositif selon la ligne III-III de Figure 1.
In any case, the invention will be clearly understood with the aid of the description which follows with reference to the appended schematic drawing representing, by way of nonlimiting example, an embodiment of this closure device:
  • Figure 1 is a longitudinal sectional view, in position closed and mounted on the neck of a container, along line II of Figure 3;
  • Figure 2 is a sectional view of the bottom of the device, and side view of a pair of cylindrical surface section-latching tab, on an enlarged scale;
  • Figure 3 is a cross-sectional view of this device along line III-III of Figure 1.

La figure 1 représente la partie supérieure d'un récipient 2, et notamment l'épaulement 3 et le col 4 de celui-ci. Le col cylindrique du récipient est équipé à proximité de son extrémité supérieure, et faisant saillie de sa face extérieure, d'un bourrelet 5.Figure 1 shows the upper part of a container 2, and in particular the shoulder 3 and the neck 4 thereof. The cylindrical neck of the container is fitted near its upper end, and projecting from its outer face, with a bead 5.

Le dispositif de bouchage, réalisé en matière synthétique, comprend une partie 6 en forme de cheminée, destinée à venir s'engager avec étanchéité dans l'ouverture 7 du col 4. Cette partie 6 en forme de cheminée fait saillie d'un fond 8 qui prend appui sur le bord supérieur du col. De ce fond 8 dépasse, du côté opposé à celui duquel est tourné la partie 6, une partie tubulaire 9 formant bec verseur. Sur le fond 8 est articulée par des moyens connus, par exemple en forme de charnière film 10, une coiffe articulée 12, comportant un obturateur tubulaire 13 destiné à s'engager dans la partie 9 pour assurer une fermeture du dispositif de bouchage. La coiffe 12 possède, dans sa face avant, un évidement 14 facilitant sa manoeuvre d'ouverture.The plugging device, made of synthetic material, comprises a part 6 in the form of a chimney, intended to engage with sealing in the opening 7 of the neck 4. This part 6 in the form of a chimney protrudes from a bottom 8 which rests on the upper edge of the neck. From this bottom 8 protrudes, on the side opposite to which the part 6 is turned, a tubular part 9 forming a spout. On the bottom 8 is articulated by known means, for example in the form of a film hinge 10, an articulated cap 12, comprising a tubular obturator 13 intended to engage in the part 9 to ensure closure of the closure device. The cover 12 has, in its front face, a recess 14 facilitating its opening operation.

Le fond 8 est prolongé, du côté opposé à la coiffe 12, par une jupe cylindrique 15, qui s'étend jusqu'au niveau de l'épaulement 3 du récipient 2.The bottom 8 is extended, on the side opposite to the cap 12, by a cylindrical skirt 15, which extends to the level of the shoulder 3 of the container 2.

Du fond 8 font également saillie quatre tronçons de surface cylindrique 16, décalés de 90° les uns par rapport aux autres. Chaque tronçon de surface cylindrique 16 est prolongé sur l'un de ses côtés dans le sens circonférentiel, par une patte 17, solidaire de ce tronçon dans la partie de celui-ci opposée au fond. Cette patte 17, également en forme de tronçon de surface cylindrique, est inclinée de l'extérieur vers l'intérieur, et depuis son extrémité solidaire du tronçon de surface cylindrique, vers son extrémité située du côté du fond 8.From the bottom 8 also protrude four sections of cylindrical surface 16, offset by 90 ° relative to each other. Each cylindrical surface section 16 is extended on one of its sides in the circumferential direction, by a lug 17, integral with this section in the part thereof opposite the bottom. This tab 17, also in the form of a cylindrical surface section, is inclined from the outside towards the inside, and from its end integral with the cylindrical surface section, towards its end situated on the side of the bottom 8.

Il ressort du dessin que la hauteur de la patte 17, est sensiblement inférieure à la hauteur du tronçon de surface cylindrique 16. En tout état de cause la hauteur de la patte 17 est telle qu'elle vienne prendre appui sous le bourrelet 5 du col 4. L'angle que forme chaque patte avec la perpendiculaire au fond 8 est inférieur à 45°, et avantageusement de l'ordre de 25°.It appears from the drawing that the height of the tab 17 is substantially less than the height of the cylindrical surface section 16. In any event, the height of the tab 17 is such that it comes to bear under the bead 5 of the neck 4. The angle formed by each leg with the perpendicular to the bottom 8 is less than 45 °, and advantageously of the order of 25 °.

En pratique, le dispositif de bouchage est positionné en regard du col du récipient, et fixé sur celui-ci par simple encliquetage, les pattes 17 s'effaçant lors de leur passage au contact du bourrelet 5, lors du déplacement axial d'engagement du dispositif de bouchage sur le col du récipient. Compte tenu de leur élasticité les pattes, après avoir dépassé le bourrelet 5, reprennent leur position initiale et viennent prendre appui et s'arc-bouter sous le bourrelet assurant une fixation de façon définitive du dispositif sur le col du récipient. Il doit être noté qu'il n'est pas possible de retirer le dispositif du col du récipient, sans casser les pattes d'accrochage. D'autre part les pattes d'accrochage 17 ne peuvent être actionnées pour permettre le retrait du dispositif de bouchage, puisqu'elles sont rendues inaccessibles compte tenu de la présence de la jupe cylindrique 15.In practice, the closure device is positioned opposite the neck of the container, and fixed thereon by simple snap-fastening, the tabs 17 disappearing when they pass in contact with the bead 5, during the axial engagement movement of the closure device on the container neck. Given their elasticity, the tabs, after having exceeded the bead 5, return to their initial position and come to bear and brace themselves under the bead ensuring a definitive fixing of the device on the neck of the container. It should be noted that it is not possible to remove the device from the neck of the container without breaking the hooking tabs. On the other hand, the hooking lugs 17 cannot be actuated to allow the withdrawal of the closure device, since they are made inaccessible taking into account the presence of the cylindrical skirt 15.

Comme il ressort de ce qui précéde l'invention apporte une grande amélioration à la technique existante en fournissant un dispositif de bouchage de conception simple, et fixé de façon irréversible sur le col du récipient qu'il est destiné à équiper.As is apparent from the foregoing, the invention provides a great improvement to the existing technique by providing a plugging device of simple design, and fixed irreversibly on the neck of the container that it is intended to equip.

Comme il va de soi l'invention ne se limite pas à la seule forme d'exécution de ce dispositif décrite ci-dessus à titre d'exemple elle en embrasse au contraire toutes les variantes de réalisation. C'est ainsi notamment que chaque tronçon de surface cylindrique pourrait être équipé de deux pattes d'accrochage disposées de part et d'autre de lui ou que le nombre de tronçons de surface cylindrique pourrait être différent de quatre, ou encore que le dispositif de bouchage pourrait être obturé par un organe autre qu'une coiffe articulée, sans que l'on sorte pour autant du cadre de l'invention.As it goes without saying, the invention is not limited to the sole embodiment of this device described above by way of example, on the contrary it embraces all of the variant embodiments thereof. Thus, in particular, each section of cylindrical surface could be equipped with two hooking lugs arranged on either side of it or the number of sections of cylindrical surface could be different from four, or even that the device for plugging could be closed by a member other than an articulated cap, without departing from the scope of the invention.

Claims (6)

  1. A closure device with irreversible fixing on the neck of a container, of the type in which the neck (4) of the container (2) has a peripheral flange (5) projecting from its external wall, and in which the closure device includes a base (8) which, intended permanently to cover the opening of the neck, itself has an opening for the passage of products contained in the container, closable by a cover (12) or the like, characterised in that the base (8) includes, projecting alongside the container, at least two sections (16) having cylindrical surfaces, arranged on a circle of diameter slightly greater than that passing through the external face of the flange (5), each section (16) with a cylindrical surface being extended on at least one of its sides in the circumferential direction, by a tab (17) which, connected to this section in the portion of the latter opposed to the base (8), is inclined from the exterior towards the interior and from its end connected to the section (16) of cylindrical surface towards its end located nearer to the base (8), which end bears under the flange (5).
  2. A closure device according to Claim 1, characterised in that the height of each tab (17) is substantially equal to half the height of the section (16) having a cylindrical surface.
  3. A closure device according to either of Claims 1 and 2, characterised in that the angle which each tab (17) forms with the perpendicular to the base (8) of the closure device is less than 45°.
  4. A closure device according to Claim 3, characterised in that the angle which each tab (17) forms with the perpendicular to the base (8) of the closure device is of the order of 25°.
  5. A closure device according to any one of Claims 1 to 4, characterised in that the different pairs of sections (16) having a cylindrical surface and fixing tabs (17) are arranged in a regular angular distribution.
  6. A closure device according to any one of Claims 1 to 5, characterised in that it comprises a cylindrical skirt (15), projecting from the base (8) externally of the pairs of sections (16) having a cylindrical surface and fixing tabs (17), of length at least equal thereto and of which the free edge is located in immediate proximity to the body of the container.
EP91420267A 1990-07-25 1991-07-23 Closure device with irreversible clamping on the neck of a container Expired - Lifetime EP0468902B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91420267T ATE90057T1 (en) 1990-07-25 1991-07-23 CLOSURE DEVICE WITH IRREVERSIBLE FIXING ON A CONTAINER NECK.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9009720 1990-07-25
FR9009720A FR2665140B1 (en) 1990-07-25 1990-07-25 CAPPING DEVICE WITH IRREVERSIBLE ATTACHMENT TO THE NECK OF A CONTAINER.

Publications (2)

Publication Number Publication Date
EP0468902A1 EP0468902A1 (en) 1992-01-29
EP0468902B1 true EP0468902B1 (en) 1993-06-02

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EP91420267A Expired - Lifetime EP0468902B1 (en) 1990-07-25 1991-07-23 Closure device with irreversible clamping on the neck of a container

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US (1) US5096077A (en)
EP (1) EP0468902B1 (en)
AT (1) ATE90057T1 (en)
CA (1) CA2047514A1 (en)
DE (1) DE69100101T2 (en)
ES (1) ES2041198T3 (en)
FR (1) FR2665140B1 (en)

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Also Published As

Publication number Publication date
CA2047514A1 (en) 1992-01-26
EP0468902A1 (en) 1992-01-29
DE69100101D1 (en) 1993-07-08
ES2041198T3 (en) 1993-11-01
DE69100101T2 (en) 1993-09-09
US5096077A (en) 1992-03-17
ATE90057T1 (en) 1993-06-15
FR2665140B1 (en) 1992-11-13
FR2665140A1 (en) 1992-01-31

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