EP0037771B1 - Tearable plastic closure-cap - Google Patents

Tearable plastic closure-cap Download PDF

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Publication number
EP0037771B1
EP0037771B1 EP81400492A EP81400492A EP0037771B1 EP 0037771 B1 EP0037771 B1 EP 0037771B1 EP 81400492 A EP81400492 A EP 81400492A EP 81400492 A EP81400492 A EP 81400492A EP 0037771 B1 EP0037771 B1 EP 0037771B1
Authority
EP
European Patent Office
Prior art keywords
skirt
capsule
bead
frangible
closure
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
Application number
EP81400492A
Other languages
German (de)
French (fr)
Other versions
EP0037771A1 (en
Inventor
Louis 12 Square Alfred De Musset Brun
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.)
Tetra Pak Closures France SAS
Original Assignee
Novembal SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Novembal SAS filed Critical Novembal SAS
Priority to AT81400492T priority Critical patent/ATE5062T1/en
Publication of EP0037771A1 publication Critical patent/EP0037771A1/en
Application granted granted Critical
Publication of EP0037771B1 publication Critical patent/EP0037771B1/en
Expired 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
    • 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
    • B65D41/46—Snap-on caps or cap-like covers
    • B65D41/48—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
    • B65D41/485—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics with integral internal sealing means

Definitions

  • the current closures of glass bottles generally consist of two elements comprising a metal capsule and a plastic seal or seal to ensure sealing and inviolability. These closings all have the drawback of not admitting the rise in the level of liquid in a closed bottle during an increase in ambient temperature.
  • Document FR-A-2 091 863 discloses a tamper-evident plastic closure cap which comprises a top part, an annular outer skirt clinging to the neck of the stopper container and connected to the top part by connections. tearable, and an internal annular chimney intended to be embedded in the neck of the container.
  • the external wall of the annular chimney is provided smooth, so that it is applied by its entire surface against the internal face of the container neck, preventing partial evacuation of the liquid in the event of its expansion under the effect of increasing the ambient temperature.
  • Document FR-A-2 305 359 discloses a cap-cap having an internal chimney engaging in the neck of the container to be capped, an outer crown surrounding said neck and a top part formed in one piece with the chimney and the crown, the top part having on a part of its periphery notches and parts of less resistance to constitute, after pulling on a gripping tab integral with the crown, an extraction ring allowing an easy uncorking.
  • This capsule cap does not allow partial evacuation of the liquid in the event of expansion.
  • the gripping tongue which projects outwardly from the crown forms a protuberance which requires a special orientation of the tongue in the dispensing of the capsules for the capping machines, which is a major annoyance for a large distribution. speed.
  • the object of the invention is to propose a tear-away closure cap of the tamper-evident type made of a single plastic material, in particular for comparable bottles or containers, composed of a top, an outer annular skirt for hanging without screwing connected to said top. by tear-away connections ensuring inviolability and an internal annular chimney intended to be embedded in the neck of the stopper container, designed so as to allow an interior decompression without there being ejection of the stopper or bruising of fragile points ensuring inviolability.
  • the capsule is characterized in that the interior chimney carries externally, at a well-determined small distance from above, a continuous circular lip intended to act as an exhaust valve by abandoning its contact with the neck under the effect of internal pressure caused by thermal expansion of the liquid contained in the container and, at a greater distance, a second lip interrupted on its periphery to allow decompression of exhaust by lifting the first lip while limiting the exhaust force exerted on the capsule, while the outer skirt has a circular periphery without protuberances and at least a thinning of rupture extending over its entire height to ensure the opening of the skirt to uncapping.
  • the closure cap essentially consists of a top 1, an outer annular skirt 2 and an annular chimney 3 intended to engage inside the neck of the bottle to butcher.
  • the chimney 3 externally carries at least one lip or a continuous annular boss 4 provided at a small well-determined distance from the top 1.
  • the chimney externally carries a second lip 5 composed of sectors separated or interrupted at one or more points 6.
  • the skirt 2 has internally at its base a bulge 7 intended to engage in an external groove of the corking bottle.
  • This skirt 2 is connected to the part forming the top 1 of the capsule by points of least resistance 8 except on a small fraction of the periphery of the capsule at 9 which constitutes a hinge between the tearable skirt 2 and the top 1.
  • the inviolability can be reinforced by the provision of thinned parts which can extend over the entire height of the skirt.
  • two thinnings 10 of the skirt on either side of the hinge 9 or a single thinning 11 1 of the skirt in a region diametrically opposite to the hinge 9. These thinnings favor the cutting of the skirt at the first unblocking, either to completely separate the skirt from the capsule while opening this skirt at the same time, or to open only the skirt opposite the hinge at which the two arms of the skirt can remain connected.

Abstract

1. Frangible closure capsule of the tamperproof type formed from a single plastics material, especially for bottles or comparable containers, comprising a top (1), an external annular skirt (2) for engagement without screwing and connected to the said top by frangible connections (8) which ensure proof against tampering, and an internal annular flange (3) to engage in the neck of the container to be closed, characterised by the fact that the internal flange (3) carries on its exterior, at a small fixed distance from the top (1), a continuous circular bead (4) to act as an escape valve by moving out of contact with the neck under the effect of the internal pressure caused by thermal expansion of the liquid contained in the container and, at a greater distance, a second bead (5) interrupted (at 6) on its periphery to permit release of pressure by lifting of the first bead (4) whilst restricting the escaping force exercised on the capsule, whilst the exterior skirt (2) has a circular periphery without protruberances and at least one frangible reduction in thickness (10, 11) extending over the whole of its height to ensure opening of the skirt (2) when the capsule is removed.

Description

Les bouchages actuels de bouteilles de verre sont généralement constitués de deux éléments comprenant une capsule métallique et un opercule ou joint en matière plastique pour en assurer l'étanchéité et l'inviolabilité. Ces bouchages présentent tous l'inconvénient de ne pas admettre l'élévation du niveau de liquide dans une bouteille boucheée lors d'une augmentation de la température ambiante.The current closures of glass bottles generally consist of two elements comprising a metal capsule and a plastic seal or seal to ensure sealing and inviolability. These closings all have the drawback of not admitting the rise in the level of liquid in a closed bottle during an increase in ambient temperature.

On connait par le document FR-A-2 091 863 une capsule de bouchage inviolable en matière plastique qui comprend une partie de dessus, une jupe extérieure annulaire s'accrochant au col du récipient à boucher et reliée à la partie de dessus par des liaisons déchirables, et une cheminée annulaire intérieure destinée à s'encastrer dans le col du récipient. La paroi extérieure de la cheminée annulaire est prévue lisse, de sorte qu'elle s'applique par toute sa surface contre la face interne du col de récipient en empêchant une évacuation partielle du liquide en cas d'une dilatation de celui-ci sous l'effet de l'augmentation de la température ambiante.Document FR-A-2 091 863 discloses a tamper-evident plastic closure cap which comprises a top part, an annular outer skirt clinging to the neck of the stopper container and connected to the top part by connections. tearable, and an internal annular chimney intended to be embedded in the neck of the container. The external wall of the annular chimney is provided smooth, so that it is applied by its entire surface against the internal face of the container neck, preventing partial evacuation of the liquid in the event of its expansion under the effect of increasing the ambient temperature.

Par le document FR-A-2 305 359 on connait un bouchon-capsule présentant une cheminée intérieure s'engageant dans le col du récipient à boucher, une couronne extérieure entourant ledit col et une partie de dessus formée d'une seule pièce avec la cheminée et la couronne, la partie de dessus présentant sur une partie de sa périphérie des entailles et des parties de moindre résistance pour constituer, après traction sur une languette de préhension solidaire de la couronne, un anneau d'extraction permettant un débouchage aisé. Ce bouchon-capsule ne permet pas une évacuation partielle du liquide en cas de dilatation. D'autre part la languette de préhension qui fait saillie extérieurement à partir de la couronne forme une protubérance qui nécessite une orientation spéciale de la languette dans la distribution des capsules pour les machines à capsuler, ce qui est une gêne importante pour une distribution à grande vitesse.Document FR-A-2 305 359 discloses a cap-cap having an internal chimney engaging in the neck of the container to be capped, an outer crown surrounding said neck and a top part formed in one piece with the chimney and the crown, the top part having on a part of its periphery notches and parts of less resistance to constitute, after pulling on a gripping tab integral with the crown, an extraction ring allowing an easy uncorking. This capsule cap does not allow partial evacuation of the liquid in the event of expansion. On the other hand, the gripping tongue which projects outwardly from the crown forms a protuberance which requires a special orientation of the tongue in the dispensing of the capsules for the capping machines, which is a major annoyance for a large distribution. speed.

L'invention a pour but de proposer une capsule de bouchage déchirable de type inviolable constituée en une seule matière plastique, notamment pour bouteilles ou récipients comparables, composée d'un dessus, d'une jupe annulaire extérieure d'accrochage sans vissage reliée audit dessus par des liaisons déchirables assurant l'inviolabilité et d'une cheminée annulaire intérieure destinée à s'encastrer dans le col du récipient à boucher, conçue de façon à permettre une décompression intérieure sans qu'il y ait éjection du bouchon ni birsure des points fragiles assurant l'inviolabilité.The object of the invention is to propose a tear-away closure cap of the tamper-evident type made of a single plastic material, in particular for comparable bottles or containers, composed of a top, an outer annular skirt for hanging without screwing connected to said top. by tear-away connections ensuring inviolability and an internal annular chimney intended to be embedded in the neck of the stopper container, designed so as to allow an interior decompression without there being ejection of the stopper or bruising of fragile points ensuring inviolability.

Conformément à l'invention, la capsule est caractérisée par le fait que la cheminée intérieure porte extérieurement, à une petite distance bien déterminée du dessus, une lèvre circulaire continue destinée à jouer le rôle d'une soupape d'échappement en abandonnant son contact avec le col sous l'effet de la pression interne provoquée par une dilatation thermique du liquide contenu dans le récipient et, à plus grande distance, une seconde lèvre interrompue sur sa périphérie pour permettre la décompression d'échappement par soulèvement de la première lèvre tout en limitant la force d'échappement exercée sur la capsule, tandis que la jupe extérieure présente une périphérie circulaire sans protubérances et au moins un amincissement de rupture s'etendant sur toute sa hauteur pour assurer l'ouverture de la jupe au décapsulage.According to the invention, the capsule is characterized in that the interior chimney carries externally, at a well-determined small distance from above, a continuous circular lip intended to act as an exhaust valve by abandoning its contact with the neck under the effect of internal pressure caused by thermal expansion of the liquid contained in the container and, at a greater distance, a second lip interrupted on its periphery to allow decompression of exhaust by lifting the first lip while limiting the exhaust force exerted on the capsule, while the outer skirt has a circular periphery without protuberances and at least a thinning of rupture extending over its entire height to ensure the opening of the skirt to uncapping.

On décrira ci-après plus en détails un exemple d'exécution préféré de l'invention en référence au dessin annexé, dans lequel:

  • la figure 1 est une coupe axiale de la capsule de bouchage; et
  • la figure 2 en est une vue en plan correspondante.
A preferred embodiment of the invention will be described below in more detail with reference to the accompanying drawing, in which:
  • Figure 1 is an axial section of the closure cap; and
  • Figure 2 is a corresponding plan view.

Dans l'exemple représenté au dessin, la capsule de bouchage se compose essentiellement d'un dessus 1, d'une jupe annulaire exterieure 2 et d'une cheminée annulaire 3 destinée à s'engager à l'intérieur du col de la bouteille à boucher.In the example shown in the drawing, the closure cap essentially consists of a top 1, an outer annular skirt 2 and an annular chimney 3 intended to engage inside the neck of the bottle to butcher.

Conformément à l'invention, la cheminée 3 porte extérieurement au moins une lèvre ou un bossage annulaire continu 4 prévu à une petite distance bien déterminée du dessus 1. Au-dessous de la lèvre 4, la cheminée porte extérieurement une seconde lèvre 5 composée de secteurs séparés ou interrompus en un ou plusieurs points 6.According to the invention, the chimney 3 externally carries at least one lip or a continuous annular boss 4 provided at a small well-determined distance from the top 1. Below the lip 4, the chimney externally carries a second lip 5 composed of sectors separated or interrupted at one or more points 6.

La jupe 2 présente intérieurement à sa base un renflement 7 destiné à s'enclencher dans une gorge extérieure de la bouteille à boucher. Cette jupe 2 est reliée à la partie formant le dessus 1 de la capsule par des points de moindre résistance 8 sauf sur une petite fraction de la périphérie de la capsule en 9 qui constitue une charnière entre la jupe déchirable2 et le dessus 1.The skirt 2 has internally at its base a bulge 7 intended to engage in an external groove of the corking bottle. This skirt 2 is connected to the part forming the top 1 of the capsule by points of least resistance 8 except on a small fraction of the periphery of the capsule at 9 which constitutes a hinge between the tearable skirt 2 and the top 1.

On remarquera que l'inviolabilité peut être renforcée par la disposition de parties amincies qui peuvent s'étendre sur toute la hauteur de la jupe. C'est ainsi qu'on peut prévoir deux amincissements 10 de la jupe de part et d'autre de la charnière 9 ou un seul amincissement 11 1 de la jupe en une région diamétralement opposée à la charnière 9. Ces amincissements favorisent la coupure de la jupe au premier débouchage, soit pour séparer complètement la jupe de la capsule en effectuant en même temps l'ouverture de cette jupe, soit pour ouvrir seulement la jupe à l'opposé de la charnière à laquelle les deux branches de la jupe peuvent rester reliées.It will be noted that the inviolability can be reinforced by the provision of thinned parts which can extend over the entire height of the skirt. Thus, it is possible to provide two thinnings 10 of the skirt on either side of the hinge 9 or a single thinning 11 1 of the skirt in a region diametrically opposite to the hinge 9. These thinnings favor the cutting of the skirt at the first unblocking, either to completely separate the skirt from the capsule while opening this skirt at the same time, or to open only the skirt opposite the hinge at which the two arms of the skirt can remain connected.

Le fonctionnement assurant une décompression intérieure en cas de nécessité s'effectue comme indiqué ci-après. En position normale, la lèvre 4 assure avec la cheminée 3 l'étanchéité du bouchage. Cependant, lorsque le bouchon est sollicité au-delà d'une certaine pression interne provoquée par la dilatation du liquide contenu dans la bouteille bouchée et qu'il commence à se soulever légèrement, la lèvre 4 abandonne son contact avec le col de la bouteille et la lèvre 5, par sa discontinuité périphérique, permet d'assurer la décompression de l'intérieur du récipient tout en limitant la force d'échappement pour qu'il n'y ait pas éjection du bouchon ni brisure des points de liaison 8 du dispositif d'inviolabilité.Operation ensuring a decom internal pressure if necessary is carried out as indicated below. In normal position, the lip 4 ensures with the chimney 3 the sealing of the blockage. However, when the stopper is stressed beyond a certain internal pressure caused by the expansion of the liquid contained in the stoppered bottle and it begins to lift slightly, the lip 4 gives up its contact with the neck of the bottle and the lip 5, by its peripheral discontinuity, makes it possible to decompress the interior of the container while limiting the exhaust force so that there is no ejection of the plug nor breaking of the connection points 8 of the device inviolability.

On comprendra que l'exemple décrit ci- dessus et représenté au dessin annexé n'a aucun caractère limitatif et qu'on pourrait prévoir diverses modifications ou adjonctions sans s'écarter du cadre de l'invention définie par les revendications annexées.It will be understood that the example described above and shown in the accompanying drawing is in no way limiting and that various modifications or additions could be made without departing from the scope of the invention defined by the appended claims.

Claims (3)

1. Frangible closure capsule of the tamper- proof type formed from a single plastics material, especially for bottles or comparable containers, comprising a top (1), an external annular skirt (2) for engagement without screwing and connected to the said top by frangible connections (8) which ensure proof against tampering, and an internal annular flange (3) to engage in the neck of the container to be closed, characterised by the fact that the internal flange (3) carries on its exterior, at a small fixed distance from the top (1), a continuous circular bead (4) to act as an escape valve by moving out of contact with the neck under the effect of the internal pressure caused by thermal expansion of the liquid contained in the container and, at a greater distance, a second bead (5) interrupted (at 6) on its periphery to permit release of pressure by lifting of the first bead (4) whilst restricting the escaping force exercised on the capsule, whilst the exterior skirt (2) has a circular periphery without protruberances and at least one frangible reduction in thickness (10, 11) extending over the whole of its height to ensure opening of the skirt (2) when the capsule is removed.
2. Closure capsule according to Claim 1, in which the skirt (2) has, on each side of an unbreakable hinge (9) which connects it to the part forming the top (1) of the capsule, reductions in thickness (10) which permit separation of the skirt (2) when the closure is opened.
3. Closure capsule according to Claim 1, in which the skirt (2) has, on the opposite side to an unbreakable hinge (9) which connects it to a part forming the top (1) of the capsule, a reduction in thickness (11) which permits the skirt (2) to be cut into two branches which remain connected by the hinge (9) to the part forming the top (1) of the capsule, when the closure is opened.
EP81400492A 1980-03-28 1981-03-27 Tearable plastic closure-cap Expired EP0037771B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81400492T ATE5062T1 (en) 1980-03-28 1981-03-27 RIP PLASTIC CAPSULE CLOSURE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8007084A FR2479151A1 (en) 1980-03-28 1980-03-28 PLASTIC TEAR CAPSULE
FR8007084 1980-03-28

Publications (2)

Publication Number Publication Date
EP0037771A1 EP0037771A1 (en) 1981-10-14
EP0037771B1 true EP0037771B1 (en) 1983-10-19

Family

ID=9240287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81400492A Expired EP0037771B1 (en) 1980-03-28 1981-03-27 Tearable plastic closure-cap

Country Status (4)

Country Link
EP (1) EP0037771B1 (en)
AT (1) ATE5062T1 (en)
DE (1) DE3161218D1 (en)
FR (1) FR2479151A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657066B1 (en) * 1990-01-16 1992-05-07 Astra Plastique INVIOLABLE PLUG IN SYNTHETIC MATERIAL.
FR3013041B1 (en) * 2013-11-08 2016-06-24 Oreal CONDITIONING ASSEMBLY OF A COSMETIC PRODUCT
AT525161B1 (en) * 2022-06-24 2023-01-15 G N B Real Gmbh Screw cap and method for manufacturing a screw cap

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1600882A (en) * 1968-09-30 1970-08-03
FR1604276A (en) * 1968-11-20 1971-10-11
FR2091863B1 (en) * 1970-02-09 1975-02-21 Bouchage Mecanique
US3944104A (en) * 1974-11-25 1976-03-16 Consumers Glass Company Limited Threaded wine bottle stopper
FR2305359A1 (en) * 1975-03-28 1976-10-22 Duvicq Sa Ets Charles Plastic bottle stopper with outer removal ring - has line of weakness three quarters round top so that outer ring can be freed
DE2902859A1 (en) * 1978-02-06 1979-08-16 Albert Obrist LOCKING ARRANGEMENT FOR CONTAINERS, IN PARTICULAR FOR BOTTLES

Also Published As

Publication number Publication date
FR2479151A1 (en) 1981-10-02
ATE5062T1 (en) 1983-11-15
FR2479151B1 (en) 1983-10-07
DE3161218D1 (en) 1983-11-24
EP0037771A1 (en) 1981-10-14

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