EP2139778B1 - Stretched glass vial - Google Patents

Stretched glass vial Download PDF

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Publication number
EP2139778B1
EP2139778B1 EP08805520A EP08805520A EP2139778B1 EP 2139778 B1 EP2139778 B1 EP 2139778B1 EP 08805520 A EP08805520 A EP 08805520A EP 08805520 A EP08805520 A EP 08805520A EP 2139778 B1 EP2139778 B1 EP 2139778B1
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EP
European Patent Office
Prior art keywords
neck
bottle
capsule
ring
groove
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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.)
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EP08805520A
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German (de)
French (fr)
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EP2139778A2 (en
Inventor
Laurent De Crasto
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.)
Wine In Tube - Wit France
WINE IN TUBE WIT FRANCE
Original Assignee
Wine In Tube - Wit France
WINE IN TUBE WIT FRANCE
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Publication of EP2139778A2 publication Critical patent/EP2139778A2/en
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Publication of EP2139778B1 publication Critical patent/EP2139778B1/en
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    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B65D1/0246—Closure retaining means, e.g. beads, screw-threads

Definitions

  • the present invention relates to the manufacture of drawn glass bottles.
  • the external relief is made by means of external forming tools, a support mandrel being housed in the blank at the level of its thickening.
  • the final cooling is done while the bottle continues to turn, in the air, on itself around its longitudinal axis.
  • the softening of the glass must involve a large mass of the latter in which the temperature is not established homogeneously, which adversely affects the subsequent operations of forming.
  • the tooling of conformation of the external reliefs is not then any more able to ensure ideally its function and it is not rare to note 30% to 40% of non-conforming vials which thus form a waste burdening the cost price of the bottle.
  • the vial closure means dictate the at least external conformation of the neck of this vial.
  • the problem to be solved is therefore to produce from drawn glass blanks a neck adapted to receive a known closure means. It is indeed inconceivable to attempt a savings on the cost price of the bottle by imposing the development of new specific means of closure that would imply costs much higher than the economy achieved by the technique of stretching.
  • the closure means concerned are those which comprise a screwed capsule, extended by a sleeve of which the capsule is separable along a line of weakness.
  • the documents DE 296 03 499 U1 and GB 2 100 236 A each show a glass bottle with a thread surmounting a ring to cooperate with known closure systems.
  • the present invention intends to propose a solution for manufacturing a bottle from a drawn glass blank whose neck is shaped to admit a cap screwed onto a thread and comprises a sleeve crimped under a ring surmounted by the thread.
  • the subject of the invention is a bottle comprising a body obtained by substantially cylindrical stretching and a neck provided, from the rim, with an external thread and a ring whose external diameter is substantially equal to the diameter at the top. threading, wherein the ring has a middle groove.
  • This constructive arrangement of the bottle allows the entire manufacture of the bottle from a drawn glass blank.
  • the geometry according to the invention of the neck of the bottle does not affect its external dimensions nor its longitudinal dimension and thus the location and the axial dimension of the ring which are critical values for receiving the closure of the bottle. Indeed, this clogging is very often done by a metal cap which is reported cylindrical on the neck and which is deformed from the outside to fit the thread by its upper part close to the rim on which it rests in a sealed manner thanks to an element sealing for this purpose in the bottom of the capsule.
  • the capsule is extended by a cylindrical sleeve which is narrowed under the ring to create a shoulder which ensures the maintenance of the capsule in sealed contact on the neck of the neck and which retains axially the sleeve during the opening of the bottle, by unscrewing the upper part of the capsule. There may then be a break in the line of weakness at which the screwed portion of the capsule is separated from the sleeve which remains integral with the bottle.
  • the presence of the outer groove on the surface of the ring does not affect the quality of the closure.
  • the presence of this groove reduces the amount of glass mass to soften to thicken the wall and reduce the risk of temperature heterogeneity that affects the operations of the shaping tools of the neck.
  • the scrap rate decreases and the manufacturing cost is lowered.
  • the dimensions useful for making this plugging on conventional machines with common capsules are retained. It can even be added that the line of weakness of the capsule may be located at the throat so that it becomes possible to break the capsule at its level without having to unscrew the upper part of the capsule, by depressing the area who carries it in the groove of the groove. It is then possible to overcome a disadvantage that is not uncommon to meet with this type of plug that results from the fact that the line of weakness is too strong. In this case the unscrewing leads to the destruction of the screw thread of the capsule by rotation on the thread of the neck without the possibility of axial movement, and the impossibility otherwise to unclog the bottle, at least to reuse the capsule to ensure a temporary filling of the bottle during its use.
  • the width of the groove is equal to at least half of its height and its depth is of the order of the thickness of the wall of the bottle.
  • the neck or neck of a bottle of substantially cylindrical body 1 is made of drawn glass and the neck 2 has two superimposed sections.
  • the upper section 2a adjacent to the rim 3 carries an external thread 4 (with one or two threads) while the lower section 2b is formed by an outer ring 5 defining at least one lower shoulder 6 and having a central groove 7.
  • the depth of the groove is, in the case of the figure, substantially equal to the average thickness of the wall of the bottle while the thickness of this wall at the bottom of this groove is substantially also equal to this value.
  • the ring 5 is thus divided into two superposed rings 5a and 5b, separated by the groove 7.
  • the volume of material which is located at the level of this ring is much smaller than that of a conventional ring of the same dimensions. he This results in a mass of glass that is much lower at this level, which in the manufacturing process makes it possible to carry out the external conformation of the neck of the bottle in the continuity of the drawing without the decentering of the neck with respect to body, found with a "full" ring as mentioned above.
  • the bottle can be equipped with a known metal capsule and, in a known manner.
  • This capsule is formed by a kind of socket comprising a metal foil cylinder 10 with a bottom lined with a sealing coating 11, which is shaped around the neck so as to marry by plastic deformation the thread 3 and the shoulder 6 with a sealing contact ensured on the rim of the neck.
  • the cylindrical portion of the capsule has a line of weakness 12, consisting for example of a series of perforations which are such that the unscrewing of the capsule causes both a shear torque of the sleeve and an axial traction whose combined effects cause the separation of the capsule from the lower part of the cylindrical sleeve which remains on the neck, retained by the shoulder 6.
  • the line of weakness 12 is located right of the groove 7. This provision is advantageous because it is not not infrequently that the resistance of the line of fragility is too important to be broken. Under these conditions, the capsule turns on itself and the print of the net is destroyed so that the unscrewing and the axial traction that results are no longer produced. Unclogging the bottle then requires the capsule to be destroyed by means of a knife, for example. In this case, with the ring of the invention, simply push the sleeve at the line of weakness to simply break and thus make possible the separation of the capsule.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Optical Measuring Cells (AREA)
  • Laminated Bodies (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The flask obtained by stretching comprises a cylindrical body (1) and a long neck (2) for drinking, and an external thread (4) and a bushing (5), whose external diameter is equal to a diameter of the thread. The bushing comprises a median groove with a width of half of its height. The groove has a depth equal to wall thickness of the flask.

Description

La présente invention concerne la fabrication de flacons de verre étiré.The present invention relates to the manufacture of drawn glass bottles.

ARRIERE PLAN DE L'INVENTIONBACKGROUND OF THE INVENTION

On sait que la fabrication de flacons en verre étiré est une technique bon marché mais qui présente des limites en ce qui concerne la forme que l'on peut obtenir. La forme la plus simple est le cylindre creux du genre éprouvette et dès que l'on s'éloigne de cette forme, il faut envisager de mettre en oeuvre des moyens de fabrication complémentaires plus complexes qui grèvent bien entendu le coût du produit.It is known that the manufacture of drawn glass bottles is a cheap technique but has limitations in terms of the shape that can be obtained. The simplest form is the hollow cylinder of the specimen type and as soon as one moves away from this form, it is necessary to consider implementing more complicated complementary manufacturing means which of course increase the cost of the product.

De plus, pour des flacons qui possèdent un col ouvragé, c'est-à-dire par exemple ceux comportant une bague surmontée d'un filet extérieur, la fabrication à partir de cannes de verre étiré ne convient pas. Il faut en effet, à partir du tronçon de tube étiré former une masse d'extrémité d'épaisseur plus importante que l'épaisseur courante de la paroi du flacon, dans laquelle, au moyen d'un outillage de formage associé à un mandrin, on réalise les empreintes extérieures requises. En effet, de manière connue, à partir d'une ébauche tubulaire tournant autour de son axe, on réalise un épaississement de l'une de ses extrémités par écrasement progressif de celle-ci contre une surface de butée. Ensuite, alors que le verre épaissi est maintenu chaud, on réalise le relief extérieur au moyen d'outils extérieurs de formage, un mandrin de soutien étant logé dans l'ébauche au niveau de son épaississement. Le refroidissement final se fait alors que le flacon continue de tourner, en l'air, sur lui-même autour de son axe longitudinal. Pour réaliser un filetage surmontant une bague pour coopérer avec les systèmes de bouchage connus, le ramollissement du verre doit concerner une masse importante de ce dernier dans laquelle la température ne s'établit pas de manière homogène, ce qui nuit aux opérations ultérieures de formage. L'outillage de conformation des reliefs extérieurs n'est plus alors apte à assurer de manière idéale sa fonction et il n'est pas rare de constater 30 % à 40 % de flacons non conformes qui forment donc un rebut grevant le prix de revient du flacon.In addition, for bottles which have an engineered neck, that is to say for example those having a ring surmounted by an external thread, the manufacture from stretched glass canes is not suitable. It is indeed necessary, from the stretched tube section, to form an end mass of greater thickness than the current thickness of the wall of the flask, in which, by means of a forming tool associated with a mandrel, the required external impressions are made. Indeed, in known manner, from a tubular blank rotating about its axis, is made a thickening of one of its ends by progressive crushing thereof against an abutment surface. Then, while the thickened glass is kept warm, the external relief is made by means of external forming tools, a support mandrel being housed in the blank at the level of its thickening. The final cooling is done while the bottle continues to turn, in the air, on itself around its longitudinal axis. To achieve a thread surmounting a ring to cooperate with known closure systems, the softening of the glass must involve a large mass of the latter in which the temperature is not established homogeneously, which adversely affects the subsequent operations of forming. The tooling of conformation of the external reliefs is not then any more able to ensure ideally its function and it is not rare to note 30% to 40% of non-conforming vials which thus form a waste burdening the cost price of the bottle.

Dans la pratique, ce sont les moyens de bouchage du flacon qui dictent la conformation au moins extérieure du col de ce flacon. Le problème à résoudre est donc de fabriquer à partir d'ébauches en verre étiré un col apte à recevoir un moyen de bouchage connu. Il est en effet inconcevable de tenter une économie sur le prix de revient du flacon en imposant le développement de nouveaux moyens de bouchage spécifiques qui impliquerait des coûts largement supérieurs à l'économie réalisée par la technique de l'étirage. Les moyens de bouchage concernés sont ceux qui comportent une capsule vissée, prolongée par un manchon duquel la capsule est séparable le long d'une ligne de fragilité.In practice, it is the vial closure means that dictate the at least external conformation of the neck of this vial. The problem to be solved is therefore to produce from drawn glass blanks a neck adapted to receive a known closure means. It is indeed inconceivable to attempt a savings on the cost price of the bottle by imposing the development of new specific means of closure that would imply costs much higher than the economy achieved by the technique of stretching. The closure means concerned are those which comprise a screwed capsule, extended by a sleeve of which the capsule is separable along a line of weakness.

Les documents DE 296 03 499 U1 et GB 2 100 236 A montrent chacun une bouteille en verre avec un filetage surmontant une bague pour coopérer avec les systèmes de bouchage connus.The documents DE 296 03 499 U1 and GB 2 100 236 A each show a glass bottle with a thread surmounting a ring to cooperate with known closure systems.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

La présente invention entend proposer une solution de fabrication d'un flacon à partir d'une ébauche en verre étiré dont le col est conformé pour admettre un bouchon vissé sur un filetage et comporte un manchon serti sous une bague surmontée par le filet.The present invention intends to propose a solution for manufacturing a bottle from a drawn glass blank whose neck is shaped to admit a cap screwed onto a thread and comprises a sleeve crimped under a ring surmounted by the thread.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

A cet effet, l'invention a pour objet un flacon comportant un corps obtenu par étirage sensiblement cylindrique et un col pourvu, depuis le buvant, d'un filetage extérieur et d'une bague dont le diamètre extérieur est sensiblement égal au diamètre au sommet du filetage, dans lequel la bague comporte une gorge médiane.For this purpose, the subject of the invention is a bottle comprising a body obtained by substantially cylindrical stretching and a neck provided, from the rim, with an external thread and a ring whose external diameter is substantially equal to the diameter at the top. threading, wherein the ring has a middle groove.

Cette disposition constructive du flacon permet l'entière fabrication du flacon à partir d'une ébauche de verre étiré.This constructive arrangement of the bottle allows the entire manufacture of the bottle from a drawn glass blank.

La géométrie selon l'invention du col du flacon n'affecte ni ses dimensions extérieures ni sa dimension longitudinale et donc l'emplacement et la dimension axiale de la bague qui sont des valeurs critiques pour recevoir le bouchage du flacon. En effet, ce bouchage est très souvent réalisé par une capsule métallique qui est rapportée cylindrique sur le col et qui est déformée par l'extérieur pour épouser le filetage par sa partie supérieure proche du buvant sur lequel elle repose de manière étanche grâce à un élément d'étanchéité prévu à cet effet dans le fond de la capsule. Au-delà du filet et d'une ligne périphérique de fragilité, la capsule se prolonge par un manchon cylindrique qui est rétreint sous la bague afin de créer un épaulement qui assure le maintien de la capsule en contact étanche sur le buvant du col et qui retient axialement le manchon lors de l'ouverture du flacon, par dévissage de la partie supérieure de la capsule. Il peut alors se produire une rupture au niveau de la ligne de fragilité au niveau de laquelle la partie vissée de la capsule est séparée du manchon qui reste solidaire du flacon.The geometry according to the invention of the neck of the bottle does not affect its external dimensions nor its longitudinal dimension and thus the location and the axial dimension of the ring which are critical values for receiving the closure of the bottle. Indeed, this clogging is very often done by a metal cap which is reported cylindrical on the neck and which is deformed from the outside to fit the thread by its upper part close to the rim on which it rests in a sealed manner thanks to an element sealing for this purpose in the bottom of the capsule. Beyond the thread and a peripheral line of fragility, the capsule is extended by a cylindrical sleeve which is narrowed under the ring to create a shoulder which ensures the maintenance of the capsule in sealed contact on the neck of the neck and which retains axially the sleeve during the opening of the bottle, by unscrewing the upper part of the capsule. There may then be a break in the line of weakness at which the screwed portion of the capsule is separated from the sleeve which remains integral with the bottle.

On comprend que la présence de la gorge extérieure ménagée sur la surface de la bague n'affecte en rien la qualité du bouchage. En revanche, la présence de cette gorge permet de réduire la quantité de masse de verre à ramollir pour épaissir la paroi et de réduire d'autant les risques d'hétérogénéité en température qui affecte les opérations des outils de façonnage du col. Ainsi, le taux de rebut diminue-t-il et le coût de fabrication est abaissé.It is understood that the presence of the outer groove on the surface of the ring does not affect the quality of the closure. However, the presence of this groove reduces the amount of glass mass to soften to thicken the wall and reduce the risk of temperature heterogeneity that affects the operations of the shaping tools of the neck. Thus, the scrap rate decreases and the manufacturing cost is lowered.

Par ailleurs, les dimensions utiles pour réaliser ce bouchage sur des machines conventionnelles avec des capsules courantes sont conservées. On peut même ajouter que la ligne de fragilité de la capsule peut être située au niveau de la gorge si bien qu'il devient possible de rompre la capsule à son niveau sans avoir à dévisser la partie supérieure de la capsule, par enfoncement de la zone qui la porte dans la gorge de la rainure. Il est alors possible de remédier à un inconvénient qu'il n'est pas rare de rencontrer avec ce type de bouchon qui résulte du fait que la ligne de fragilité est trop résistante. Dans ce cas le dévissage conduit à la destruction du pas de vis de la capsule par rotation sur le filet du col sans possibilité de mouvement axial, et à l'impossibilité sinon de déboucher le flacon, du moins de réutiliser la capsule pour assurer un rebouchage temporaire du flacon pendant son usage.Moreover, the dimensions useful for making this plugging on conventional machines with common capsules are retained. It can even be added that the line of weakness of the capsule may be located at the throat so that it becomes possible to break the capsule at its level without having to unscrew the upper part of the capsule, by depressing the area who carries it in the groove of the groove. It is then possible to overcome a disadvantage that is not uncommon to meet with this type of plug that results from the fact that the line of weakness is too strong. In this case the unscrewing leads to the destruction of the screw thread of the capsule by rotation on the thread of the neck without the possibility of axial movement, and the impossibility otherwise to unclog the bottle, at least to reuse the capsule to ensure a temporary filling of the bottle during its use.

Dans une réalisation préférée de l'invention, la largeur de la gorge est égale à au moins la moitié de sa hauteur et sa profondeur est de l'ordre de l'épaisseur de la paroi du flacon.In a preferred embodiment of the invention, the width of the groove is equal to at least half of its height and its depth is of the order of the thickness of the wall of the bottle.

D'autres caractéristiques et avantages de l'invention ressortiront de la description donnée ci-après d'un exemple de sa réalisation.Other features and advantages of the invention will emerge from the description given below of an example of its embodiment.

BREVE DESCRIPTION DES DESSSINSBRIEF DESCRIPTION OF THE DESSSINS

Il sera fait référence aux dessins annexés parmi lesquels :

  • la figure 1 est une vue extérieure d'un col de flacon conforme à l'invention,
  • la figure 2 illustre par une coupe ce col équipé de son moyen de bouchage.
Reference will be made to the appended drawings among which:
  • the figure 1 is an external view of a bottle neck according to the invention,
  • the figure 2 illustrated by a cut that collar equipped with its means of closure.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

A la figure 1, on a représenté le goulot ou col d'un flacon de corps 1 sensiblement cylindrique, conforme à l'invention. Ce corps 1 est fabriqué en verre étiré et le col 2 comporte deux sections superposées. La section supérieure 2a adjacente au buvant 3 porte un filetage extérieur 4 (à un ou deux filets) tandis que la section inférieure 2b est formée par une bague extérieure 5 définissant au moins un épaulement inférieur 6 et possédant une gorge centrale 7. La profondeur de la gorge est, dans le cas de la figure, sensiblement égale à l'épaisseur moyenne de la paroi du flacon tandis que l'épaisseur de cette paroi au fond de cette gorge est sensiblement égale aussi à cette valeur. La bague 5 est ainsi divisée en deux bagues superposées 5a et 5b, séparées par la gorge 7. Le volume de matière qui est localisé au niveau de cette bague est beaucoup moindre que celui qu'une bague classique de mêmes dimensions. Il s'ensuit une masse de verre beaucoup plus faible à ce niveau, ce qui dans le processus de fabrication, permet de réaliser la conformation extérieure du col du flacon dans la continuité de l'étirage sans que se produise le décentrement du goulot par rapport au corps, constaté avec une bague « pleine » comme mentionné ci-dessus.To the figure 1 , there is shown the neck or neck of a bottle of substantially cylindrical body 1, according to the invention. This body 1 is made of drawn glass and the neck 2 has two superimposed sections. The upper section 2a adjacent to the rim 3 carries an external thread 4 (with one or two threads) while the lower section 2b is formed by an outer ring 5 defining at least one lower shoulder 6 and having a central groove 7. The depth of the groove is, in the case of the figure, substantially equal to the average thickness of the wall of the bottle while the thickness of this wall at the bottom of this groove is substantially also equal to this value. The ring 5 is thus divided into two superposed rings 5a and 5b, separated by the groove 7. The volume of material which is located at the level of this ring is much smaller than that of a conventional ring of the same dimensions. he This results in a mass of glass that is much lower at this level, which in the manufacturing process makes it possible to carry out the external conformation of the neck of the bottle in the continuity of the drawing without the decentering of the neck with respect to body, found with a "full" ring as mentioned above.

La bague, malgré sa géométrie « allégée » continue de remplir les mêmes fonctions qu'une bague classique. En effet, comme représenté à la figure 2, le flacon peut être équipé d'une capsule métallique connue et ce, de manière connue. Cette capsule est formée par une sorte de douille comportant un cylindre en feuille métallique 10 avec un fond garni d'un revêtement d'étanchéité 11, qui est conformé autour du goulot de manière à épouser par déformation plastique le filet 3 et l'épaulement 6 avec un contact d'étanchéité assuré sur le buvant du col. La partie cylindrique de la capsule possède une ligne de fragilité 12, consistant par exemple en une série de perforations qui sont telles que le dévissage de la capsule provoque à la fois un couple de cisaillement du manchon et une traction axiale dont les effets conjugués provoquent la séparation de la capsule de la partie inférieure du manchon cylindrique qui reste sur le col, retenue par l'épaulement 6. On notera que la ligne de fragilité 12 se situe au droit de la gorge 7. Cette disposition est avantageuse car il n'est pas rare que la résistance de la ligne de fragilité soit trop importante pour être rompue. Dans ces conditions, la capsule tourne sur elle-même et l'empreinte du filet se détruit si bien qu le dévissage et la traction axiale qui en résulte ne sont plus produits. Le débouchage du flacon requiert alors de détruire la capsule au moyen d'un couteau par exemple. Dans ce cas, avec la bague de l'invention, il suffit d'enfoncer le manchon au niveau de la ligne de fragilité pour la rompre simplement et donc rendre possible la séparation de la capsule.The ring, despite its "light" geometry continues to perform the same functions as a classic ring. Indeed, as shown in figure 2 , the bottle can be equipped with a known metal capsule and, in a known manner. This capsule is formed by a kind of socket comprising a metal foil cylinder 10 with a bottom lined with a sealing coating 11, which is shaped around the neck so as to marry by plastic deformation the thread 3 and the shoulder 6 with a sealing contact ensured on the rim of the neck. The cylindrical portion of the capsule has a line of weakness 12, consisting for example of a series of perforations which are such that the unscrewing of the capsule causes both a shear torque of the sleeve and an axial traction whose combined effects cause the separation of the capsule from the lower part of the cylindrical sleeve which remains on the neck, retained by the shoulder 6. Note that the line of weakness 12 is located right of the groove 7. This provision is advantageous because it is not not infrequently that the resistance of the line of fragility is too important to be broken. Under these conditions, the capsule turns on itself and the print of the net is destroyed so that the unscrewing and the axial traction that results are no longer produced. Unclogging the bottle then requires the capsule to be destroyed by means of a knife, for example. In this case, with the ring of the invention, simply push the sleeve at the line of weakness to simply break and thus make possible the separation of the capsule.

Claims (3)

  1. A container obtained by drawing, the container comprising a substantially cylindrical body (1) and a neck that is provided, on going from its rim (3), both with an outside thread (4) and with a ring (5) of outside diameter that is substantially equal to the diameter at the crest of the thread (4), the container being characterized in that the ring (5) includes a middle groove (7).
  2. A container according to claim 1, characterized in that the width of the groove (7) is equal to at least half its height (h).
  3. A container according to either preceding claim, characterized in that the depth of the groove (7) is of the same order as the thickness of the wall of the container.
EP08805520A 2007-05-03 2008-04-28 Stretched glass vial Active EP2139778B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0703173A FR2915744B1 (en) 2007-05-03 2007-05-03 STRETCHED GLASS BOTTLE
PCT/FR2008/000606 WO2008148955A2 (en) 2007-05-03 2008-04-28 Stretched glass vial

Publications (2)

Publication Number Publication Date
EP2139778A2 EP2139778A2 (en) 2010-01-06
EP2139778B1 true EP2139778B1 (en) 2011-04-06

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EP08805520A Active EP2139778B1 (en) 2007-05-03 2008-04-28 Stretched glass vial

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US (1) US20100140206A1 (en)
EP (1) EP2139778B1 (en)
AT (1) ATE504503T1 (en)
BR (1) BRPI0810221A2 (en)
CA (1) CA2685480A1 (en)
DE (1) DE602008006053D1 (en)
ES (1) ES2363189T3 (en)
FR (1) FR2915744B1 (en)
RU (1) RU2422340C1 (en)
WO (1) WO2008148955A2 (en)

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Publication number Priority date Publication date Assignee Title
US10000405B2 (en) * 2010-06-29 2018-06-19 Owens-Brockway Glass Container Inc. Stelvin/cork glass wine bottles

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US4380299A (en) * 1980-09-10 1983-04-19 Precision Plastic Products Corporation Tamper proof closure
GB2100236A (en) * 1981-06-17 1982-12-22 Redfearn Nat Glass Ltd Finish for twist-off crown closures
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Also Published As

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EP2139778A2 (en) 2010-01-06
WO2008148955A2 (en) 2008-12-11
FR2915744B1 (en) 2009-06-26
DE602008006053D1 (en) 2011-05-19
ES2363189T3 (en) 2011-07-26
US20100140206A1 (en) 2010-06-10
FR2915744A1 (en) 2008-11-07
BRPI0810221A2 (en) 2014-10-21
RU2422340C1 (en) 2011-06-27
ATE504503T1 (en) 2011-04-15
WO2008148955A3 (en) 2009-02-19
CA2685480A1 (en) 2008-12-11

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