EP0037771A1 - Tearable plastic closure-cap - Google Patents

Tearable plastic closure-cap Download PDF

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Publication number
EP0037771A1
EP0037771A1 EP81400492A EP81400492A EP0037771A1 EP 0037771 A1 EP0037771 A1 EP 0037771A1 EP 81400492 A EP81400492 A EP 81400492A EP 81400492 A EP81400492 A EP 81400492A EP 0037771 A1 EP0037771 A1 EP 0037771A1
Authority
EP
European Patent Office
Prior art keywords
skirt
capsule
internal
tear
lip
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.)
Granted
Application number
EP81400492A
Other languages
German (de)
French (fr)
Other versions
EP0037771B1 (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 object of the invention is to provide a closure cap with a tamper-evident characteristic, made of a single plastic material and acting as an exhaust valve when the free space between the liquid and the liquid is reduced. capping member. Inviolability is ensured in a known manner by a fragile part, the rupture of which necessarily results from an attempt to open the closure, thereby signaling an undue opening.
  • the closure cap is designed so as to allow interior decompression without ejection of the stopper or breaking of the fragile points ensuring inviolability.
  • the capsule which has an annular chimney intended to be embedded in the neck of the corking bottle, bears on the external surface of the chimney, at a small distance from the top of the capsule, a first circular and continuous sealing lip and, at greater distance from the top of the capsule, a second lip interrupted on its periphery to limit the force of exhaust while allowing interior decompression by lifting the first lip.
  • the closure cap essentially consists of a top 1, a skirt 2 and a chimney 3 intended to engage inside the neck of the bottle to be capped.
  • the chimney 3 externally carries at least one lip or a continuous annular boss 4 provided at a 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. This is as can be expected two thinning 10 of the skirt on either side of the hinge 9 or a single thinning 11 of the skirt in a region diametrically opposite to the hinge 9. These thinning promote the cutting of the skirt at first uncorking, either to completely separate the skirt from the capsule by opening the skirt at the same time, or to open only the skirt opposite the hinge to which the two arms of the skirt can remain connected.
  • the lip 4 ensures with the chimney 3 the sealing of the blockage.
  • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

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 bouchée lors d'une augmentation de la température ambiante.Current closures of glass bottles generally consist of two elements comprising a metal capsule and a plastic seal or seal to ensure the seal and inviolability. These closings all have the drawback of not admitting the rise in the level of liquid in a corked bottle during an increase in ambient temperature.

L'invention a pour but de proposer une capsule de bouchage à caractéristique d'inviolabilité, constituée en une seule matière plastique et jouant le rôle d'une soupape d'échappement lors d'une diminution de l'espace libre entre le liquide et l'organe de bouchage. L'inviolabilité est assurée d'une façon connue par une partie fragile dont la rupture résulte obligatoirement d'une tentative d'ouverture du bouchage en signalant par conséquent une ouverture indue. La capsule de bouchage est conçue de façon à permettre une décompression intérieure sans qu'il y ait éjection du bouchon ni brisure des points fragiles assurant l'inviolabilité.The object of the invention is to provide a closure cap with a tamper-evident characteristic, made of a single plastic material and acting as an exhaust valve when the free space between the liquid and the liquid is reduced. capping member. Inviolability is ensured in a known manner by a fragile part, the rupture of which necessarily results from an attempt to open the closure, thereby signaling an undue opening. The closure cap is designed so as to allow interior decompression without ejection of the stopper or breaking of the fragile points ensuring inviolability.

Conformément à l'invention, la capsule, qui présente une cheminée annulaire destinée à s'encastrer dans le col de la bouteille à boucher, porte sur la surface extérieure de la cheminée, à une petite distance du dessus de la capsule, une première lèvre d'étanchéité circulaire et continue et, à plus grande distance du dessus de la capsule, une seconde lèvre interrompue sur sa périphérie pour limiter la force d'échappement tout en permettant la décompression intérieure par soulèvement de la première lèvre.According to the invention, the capsule, which has an annular chimney intended to be embedded in the neck of the corking bottle, bears on the external surface of the chimney, at a small distance from the top of the capsule, a first circular and continuous sealing lip and, at greater distance from the top of the capsule, a second lip interrupted on its periphery to limit the force of exhaust while allowing interior decompression by lifting the first lip.

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 2 et d'une cheminée 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, a skirt 2 and a chimney 3 intended to engage inside the neck of the bottle to be capped.

Conformément à l'invention, la cheminée 3 porte extérieurement au moins une lèvre ou un bossage annulaire continu 4 prévu à une 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 interrompue 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 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 càpsule en 9 qui constitue une charnière entre la jupe déchirable 2 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 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. This is as can be expected two thinning 10 of the skirt on either side of the hinge 9 or a single thinning 11 of the skirt in a region diametrically opposite to the hinge 9. These thinning promote the cutting of the skirt at first uncorking, either to completely separate the skirt from the capsule by opening the skirt at the same time, or to open only the skirt opposite the hinge to 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'inviolabilitéoThe operation ensuring interior decompression 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 appended drawing has no limiting character 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. Capsule de bouchage déchirable de type inviolable en une seule matière plastique, notamment pour bouteilles ou récipients comparables, composée d'un dessus, d'une jupe extérieure annulaire 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, caractérisée par le fait que la cheminée intérieure (3) porte extérieurement, à une petite distance du dessus (1), une lèvre circulaire continue (4) destinée à jouer le rôle d'une soupape d'échappement et, à plus grande distance, une seconde lèvre (5) interrompue (en 6) 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 par dilatation thermique du liquide intérieur, tandis que la jupe extérieure (2) présente une périphérie circulaire sans protubérances et au moins un amincissement de rupture s'étendant sur toute sa hauteur pour assurer l'ouverture de la jupe au décapsulage.1. Tear-proof 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 annular outer skirt for hanging without screwing connected to said top by tear-off links ensuring inviolability and an internal annular chimney intended to be embedded in the neck of the butcher container, characterized in that the internal chimney (3) carries externally, at a small distance from the top (1), a continuous circular lip (4 ) intended to act as an exhaust valve and, at a greater distance, a second lip (5) interrupted (at 6) on its periphery to allow exhaust decompression by lifting the first lip while limiting the exhaust force exerted on the capsule by thermal expansion of the internal liquid, while the external skirt (2) 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 when the cap is opened. 2. Capsule de bouchage selon la revendication 1, dans laquelle la jupe présente, de part et d'autre d'une charnière indéchirable qui la relie à la partie formant le desus de la capsule, des amincissements (10) permettant la séparation de la jupe au débouchage.2. A closure cap according to claim 1, in which the skirt has, on either side of a tear-proof hinge which connects it to the part forming the top of the capsule, thinnings (10) allowing the separation of the skirt when unclogging. 3. Capsule de bouchage selon la revendication 1, dans laquelle la jupe présente, à l'opposé d'une charnière indéchirable qui la relie à une partie formant le dessus de la capsule, un amincissement (11) permettant au débouchage la coupure de la jupe en deux branches restant reliées par la charnière à la partie formant le dessus de la capsule.3. Closing cap according to claim 1, in which the skirt has, in contrast to a tear-proof hinge which connects it to a part forming the top of the cap, a thinning (11) allowing the unblocking to cut the skirt in two branches remaining connected by the hinge to the part forming the top of the capsule.
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
FR8007084 1980-03-28
FR8007084A FR2479151A1 (en) 1980-03-28 1980-03-28 PLASTIC TEAR CAPSULE

Publications (2)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657066A1 (en) * 1990-01-16 1991-07-19 Astra Plastique Tamper-evident stopper (seal) made of synthetic material
FR3013041A1 (en) * 2013-11-08 2015-05-15 Oreal CONDITIONING ASSEMBLY OF A COSMETIC PRODUCT
WO2023245222A1 (en) * 2022-06-24 2023-12-28 G-N-B Real GmbH Screw closure and method for producing a screw closure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1600882A (en) * 1968-09-30 1970-08-03
FR2091863A1 (en) * 1970-02-09 1971-01-21 Bouchage Mecanique
FR1604276A (en) * 1968-11-20 1971-10-11
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
GB2013635A (en) * 1978-02-06 1979-08-15 Obrist Albert Closure assembly for containers particularly bottles

Patent Citations (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
FR2091863A1 (en) * 1970-02-09 1971-01-21 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
GB2013635A (en) * 1978-02-06 1979-08-15 Obrist Albert Closure assembly for containers particularly bottles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657066A1 (en) * 1990-01-16 1991-07-19 Astra Plastique Tamper-evident stopper (seal) made of synthetic material
FR3013041A1 (en) * 2013-11-08 2015-05-15 Oreal CONDITIONING ASSEMBLY OF A COSMETIC PRODUCT
WO2015067598A3 (en) * 2013-11-08 2015-08-27 L'oreal Assembly for packaging a cosmetic product
WO2023245222A1 (en) * 2022-06-24 2023-12-28 G-N-B Real GmbH Screw closure and method for producing a screw closure

Also Published As

Publication number Publication date
ATE5062T1 (en) 1983-11-15
DE3161218D1 (en) 1983-11-24
EP0037771B1 (en) 1983-10-19
FR2479151A1 (en) 1981-10-02
FR2479151B1 (en) 1983-10-07

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