EP0379823B1 - Synthetic material screw-threaded stopper - Google Patents
Synthetic material screw-threaded stopper Download PDFInfo
- Publication number
- EP0379823B1 EP0379823B1 EP89420023A EP89420023A EP0379823B1 EP 0379823 B1 EP0379823 B1 EP 0379823B1 EP 89420023 A EP89420023 A EP 89420023A EP 89420023 A EP89420023 A EP 89420023A EP 0379823 B1 EP0379823 B1 EP 0379823B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cap
- ring
- closure device
- skirt
- 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
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Classifications
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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
- 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
- B65D41/58—Caps or cap-like covers combined with stoppers
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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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
- B65D41/3409—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element the tamper element being integrally connected to the closure by means of bridges
Definitions
- the present invention relates to a plastic screw cap.
- the object of the invention is to provide a stopper intended for example for corking bottles made of hard synthetic material, such as polyvinyl chloride, and to provide excellent protection for the conditioned liquid, mineral water or other products, by using a material which ensures good impermeability to air and in particular to oxygen vis-à-vis which the mineral salts are very sensitive.
- Document FR-A-2 219 081 describes a plug of the type comprising, on the one hand, a plug body from the bottom of which protrudes a portion in the form of an annular chimney comprising, near its free end a continuous peripheral ring or discontinuous, facing outwards, and, on the other hand, a shutter which, intended to be mounted inside the body of the stopper, has a general shape of a bowl, the skirt of which has a diameter between the outside diameter of the chimney and the inside diameter of the neck of the corking bottle, and a height at least equal to that of the chimney projecting from the bottom of the cap, a discontinuous or continuous peripheral rod projecting from the internal face of the skirt, which is arranged so that in position engaged of the bowl on the chimney, the rod of the shutter is located between the rod of the chimney and the bottom of the plug, the internal diameter of the rod of the shutter being less than the external diameter of the rod of the plug.
- the invention relates to a plug of this type, characterized in that the plug body is made of an air-impermeable material while the shutter is made of a more flexible material, and in that the support zone the skirt of the shutter on the inside of the neck of the bottle is disposed between, on the one hand, the rods respectively of the chimney of the body of the stopper and of the skirt of the shutter and, on the other hand, the bottom of the cap body.
- the two elements being produced independently of one another can be assembled at the end of manufacture, the shutter remaining retained by clipping inside the stopper during the various manipulations prior to the capping operation.
- the shutter remains perfectly integral with the body of the cap, thanks to the mutual supports of the rods of the body of the cap and of the shutter.
- the body of the stopper fulfills the function of hooking on the neck of the bottle, and forms an air barrier, while the shutter, given its flexibility, ensures the sealing of the stopper.
- this sealing is favored by the fact that the shutter, made of a flexible material, is clamped between two rigid parts constituted respectively by the chimney of the body of the stopper and by the neck of the bottle.
- the cap body is made of polypropylene, while the shutter is made of polyethylene.
- the upper edge of the shutter skirt does not have an outward return covering the neck of the bottle.
- Another object sought by the invention is to provide an opening with separation of the tamper-evident ring by simply unscrewing the cap without having to tear a tab, with proof also obvious as possible of the non-violation of the corking. It is thus important that after the first opening of the cap, the tamper-evident ring detaches very substantially therefrom in order to allow immediate viewing of the first opening even after replacing the cap.
- this cap of the type fitted with a tamper-evident ring comprising profiled notches intended to cooperate with profiled notches of the neck of the container, to allow rotation of the ring in the direction of screwing of the cap and to prevent its rotation in the direction of unscrewing the plug, and in which the ring is connected to the body of the plug by sectionable bridges, is characterized in that the ring has at least one axial slot delimiting two sections connected to each other at the level of the slot by a tab of small cross section relative to the height of the ring.
- the stopper shown in the drawing and designated by the general reference 2 comprises a stopper body 3 made of polypropylene and a shutter 4 made of polyethylene.
- the plug body 3 has a traditional structure, that is to say has a substantially cylindrical skirt, provided with an internal thread 6, closed by a bottom 7, and the free end of which is fitted with a ring d inviolability 8, which is connected to it by bridges 9.
- annular chimney 10 comprising on its outer face and near its free end, a peripheral ring 12 which, in the embodiment shown in the drawing, is discontinuous.
- the shutter 4 comprises for its part a cylindrical skirt 13 of height at least equal to the height of the chimney 10, one of the ends of which is closed off by a bottom 14 and the other end of which is intended to be pressed against the bottom 7 of the body 3 of the plug.
- the skirt 13 of the shutter 4 with a diameter between the outside diameter of the chimney 10 and the inside diameter of the part 15 of the neck 16 of the bottle at which the seal is to be made, comprises for its part a rod 17 projecting from its internal face. As shown in Figure 2, the rod 17 is arranged so that after mounting the shutter in the body of the plug the rod 17 of the shutter is located between the rod 12 of the chimney and the bottom of the plug.
- the contact between the rods 12 respectively of the chimney 10 and 17 of the shutter 4 ensures the clipping of the shutter in the body of the plug allowing on the one hand a simultaneous manipulation of these two elements prior to the plugging and on the other hand the simultaneous removal of these two elements during the bottle opening operation.
- the liquid tightness is ensured under excellent conditions, taking into account the pinching of the shutter skirt, made of a relatively flexible material, between the chimney 10 of the stopper and the neck 15 of the container, which for their part are made of a harder material.
- the tamper-evident ring has two diametrically opposite slots 18, extending over its entire height with the exception of a tab 19 of low height with respect to the ring height.
- the profiled notches 20 of the ring passing over the profiled notches 22 of the neck 16 of the container cause an increase in the diameter of the ring by irreversible elongation of the lugs 19.
- the cap is unscrewed and after breaking of the bridges 9, the ring is released, and can slide freely along the neck of the container, given the increase in its diameter due to the lengthening of the legs 19. This allows to immediately see if a bottle has been or not opened.
- the invention brings a great improvement to the existing technique, by providing a plug of simple design and structure, ensuring excellent sealing qualities, achieving good liquid tightness and good air impermeability.
- the structure of this stopper makes it possible to immediately view the first opening of the container with which it is fitted.
- the invention is not limited to the sole embodiment of this stopper described above by way of example; on the contrary, it embraces all of its variant embodiments.
- the body of the plug and the shutter could be made of materials different from those mentioned in the description, that the bowl of the shutter could present a return towards the outside coming to cover the upper edge. of the bottle or that the number of connecting tabs between the different sections of the tamper-evident ring could be different without departing from the scope of the invention.
Abstract
Description
La présente invention a pour objet un bouchon à vis en matière synthétique.The present invention relates to a plastic screw cap.
Le but de l'invention est de fournir un bouchon destiné par exemple au bouchage de bouteilles réalisées en matière synthétique dure, telle que polychlorure de vinyle, et de réaliser une excellente protection du liquide conditionné, eau minérale ou autres produits, en mettant en oeuvre une matière qui assure une bonne imperméabilité à l'air et notamment à l'oxygène vis-à-vis duquel les sels minéraux sont très sensibles.The object of the invention is to provide a stopper intended for example for corking bottles made of hard synthetic material, such as polyvinyl chloride, and to provide excellent protection for the conditioned liquid, mineral water or other products, by using a material which ensures good impermeability to air and in particular to oxygen vis-à-vis which the mineral salts are very sensitive.
Lorsque sont utilisés des matériaux souples tels que du polyéthylène haute ou basse densité pour la réalisation de bouchons, ces matériaux n'offrant pas de parfaite garantie d'imperméabilité à l'air, il est connu de coiffer le bouchon et le col de la bouteille à l'aide d'une feuille de matériau possédant les propriétés d'imperméabilité recherchées. A titre d'exemple peut être utilisée une feuille d'aluminium. Il en résulte un coût de mise en oeuvre extrêmement élevé et une manipulation délicate pour le consommateur qui doit retirer successivement plusieurs organes de bouchage.When flexible materials such as high or low density polyethylene are used for the production of stoppers, these materials not offering a perfect guarantee of air impermeability, it is known to style the stopper and the neck of the bottle. using a sheet of material having the desired waterproofing properties. As an example, aluminum foil can be used. This results in an extremely high cost of implementation and delicate handling for the consumer who must successively remove several plugging members.
Il convient en outre de constater que la réalisation d'un bouchon à vis de structure traditionnelle, réalisé en un matériau possédant de bonnes propriétés d'imperméabilité, tel que du polypropylène, ne donne pas entière satisfaction car, compte tenu de la dureté du matériau, il est difficile d'obtenir une bonne étanchéité sur le col de la bouteille qui est également réalisée en un matériau dur, et qui possède une régularité tout à fait approximative.It should also be noted that the production of a screw cap with a traditional structure, made of a material having good impermeability properties, such as polypropylene, is not entirely satisfactory because, given the hardness of the material , it is difficult to obtain a good seal on the neck of the bottle which is also made of a hard material, and which has an entirely approximate regularity.
Le document FR-A-2 219 081 décrit un bouchon du type comprenant, d'une part, un corps de bouchon du fond duquel fait saillie une partie en forme de cheminée annulaire comportant, à proximité de son extrémité libre un jonc périphérique continu ou discontinu, tourné vers l'extérieur, et, d'autre part, un obturateur qui, destiné à être monté à l'intérieur du corps du bouchon, possède une forme générale de cuvette, dont la jupe présente un diamètre compris entre le diamètre extérieur de la cheminée et le diamètre intérieur du col de la bouteille à boucher, et une hauteur au moins égale à celle de la cheminée faisant saillie du fond du bouchon, un jonc périphérique discontinu ou continu faisant saillie de la face interne de la jupe, qui est disposé de telle sorte qu'en position engagée de la cuvette sur la cheminée, le jonc de l'obturateur soit situé entre le jonc de la cheminée et le fond du bouchon, le diamètre intérieur du jonc de l'obturateur étant inférieur au diamètre extérieur du jonc du bouchon.Document FR-A-2 219 081 describes a plug of the type comprising, on the one hand, a plug body from the bottom of which protrudes a portion in the form of an annular chimney comprising, near its free end a continuous peripheral ring or discontinuous, facing outwards, and, on the other hand, a shutter which, intended to be mounted inside the body of the stopper, has a general shape of a bowl, the skirt of which has a diameter between the outside diameter of the chimney and the inside diameter of the neck of the corking bottle, and a height at least equal to that of the chimney projecting from the bottom of the cap, a discontinuous or continuous peripheral rod projecting from the internal face of the skirt, which is arranged so that in position engaged of the bowl on the chimney, the rod of the shutter is located between the rod of the chimney and the bottom of the plug, the internal diameter of the rod of the shutter being less than the external diameter of the rod of the plug.
L'invention concerne un bouchon de ce type, caractérisé en ce que le corps du bouchon est réalisé en un matériau imperméable à l'air tandis que l'obturateur est réalisé en un matériau plus souple, et en ce que la zone d'appui de la jupe de l'obturateur sur la face intérieure du col de la bouteille est disposée entre, d'une part, les joncs respectivement de la cheminée du corps du bouchon et de la jupe de l'obturateur et, d'autre part, le fond du corps du bouchon.The invention relates to a plug of this type, characterized in that the plug body is made of an air-impermeable material while the shutter is made of a more flexible material, and in that the support zone the skirt of the shutter on the inside of the neck of the bottle is disposed between, on the one hand, the rods respectively of the chimney of the body of the stopper and of the skirt of the shutter and, on the other hand, the bottom of the cap body.
Les deux éléments étant réalisés indépendamment l'un de l'autre peuvent être assemblés en sortie de fabrication, l'obturateur demeurant retenu par clipsage à l'intérieur du bouchon au cours des diverses manipulations préalables à l'opération de bouchage.The two elements being produced independently of one another can be assembled at the end of manufacture, the shutter remaining retained by clipping inside the stopper during the various manipulations prior to the capping operation.
En outre, lors du dévissage du bouchon, l'obturateur reste parfaitement solidaire du corps du bouchon, grâce aux appuis mutuels des joncs du corps du bouchon et de l'obturateur.In addition, during the unscrewing of the cap, the shutter remains perfectly integral with the body of the cap, thanks to the mutual supports of the rods of the body of the cap and of the shutter.
Le corps du bouchon remplit la fonction d'accrochage sur le col de la bouteille, et forme barrière à l'air, tandis que l'obturateur, compte tenu de sa souplesse, assure l'étanchéité du bouchage.The body of the stopper fulfills the function of hooking on the neck of the bottle, and forms an air barrier, while the shutter, given its flexibility, ensures the sealing of the stopper.
Il est à noter que cette étanchéité est favorisée par le fait que l'obturateur, réalisé en une matière souple, est pince entre deux parties rigides constituées respectivement par la cheminée du corps du bouchon et par le col de la bouteille.It should be noted that this sealing is favored by the fact that the shutter, made of a flexible material, is clamped between two rigid parts constituted respectively by the chimney of the body of the stopper and by the neck of the bottle.
Avantageusement, le corps du bouchon est réalisé en polypropylène, tandis que l'obturateur est réalisé en polyéthylène.Advantageously, the cap body is made of polypropylene, while the shutter is made of polyethylene.
En outre, le bord supérieur de la jupe de l'obturateur ne comporte pas de retour vers l'extérieur recouvrant le col de la bouteille. Cette solution est avantageuse car la forme de cuvette de l'obturateur permet une bonne absorption des différents défauts d'ovalisation du col de la bouteille et assure un blocage de la jupe entre la cheminée du corps du bouchon et le col de la bouteille.In addition, the upper edge of the shutter skirt does not have an outward return covering the neck of the bottle. This solution is advantageous because the shape of the obturator bowl allows good absorption of the different ovalization defects of the neck of the bottle and ensures that the skirt is blocked between the chimney of the body of the stopper and the neck of the bottle.
Un autre but recherche par l'invention est de fournir une ouverture avec séparation de la bague d'inviolabilité par simple dévissage du bouchon sans avoir à déchirer une languette, avec une preuve aussi évidente que possible de la non violation du bouchage. Il est ainsi important qu'après la première ouverture du bouchon la bague d'inviolabilité se détache très sensiblement de celui-ci afin de permettre une visualisation immédiate de la première ouverture même après remise en place du bouchon.Another object sought by the invention is to provide an opening with separation of the tamper-evident ring by simply unscrewing the cap without having to tear a tab, with proof also obvious as possible of the non-violation of the corking. It is thus important that after the first opening of the cap, the tamper-evident ring detaches very substantially therefrom in order to allow immediate viewing of the first opening even after replacing the cap.
A cet effet, ce bouchon du type équipé d'une bague d'inviolabilité comportant des crans profilés destinés à coopérer avec des crans profilés du col du récipient, pour permettre une rotation de la bague dans le sens de vissage du bouchon et empêcher sa rotation dans le sens du dévissage du bouchon, et dans lequel la bague est reliée au corps du bouchon par des pontets sectionnables, est caractérisé en ce que la bague comporte au moins une fente axiale délimitant deux tronçons relies l'un à l'autre au niveau de la fente par une patte de section faible par rapport à la hauteur de la bague.To this end, this cap of the type fitted with a tamper-evident ring comprising profiled notches intended to cooperate with profiled notches of the neck of the container, to allow rotation of the ring in the direction of screwing of the cap and to prevent its rotation in the direction of unscrewing the plug, and in which the ring is connected to the body of the plug by sectionable bridges, is characterized in that the ring has at least one axial slot delimiting two sections connected to each other at the level of the slot by a tab of small cross section relative to the height of the ring.
Avantageusement, les fentes ménagées dans la bague d'inviolabilité sont au nombre de deux et son disposées de façon diamétralement opposée.Advantageously, there are two slots in the tamper-evident ring and its diametrically opposite arrangement.
Lors du vissage du bouchon, les crans de la bague passant sur les crans du col tendent à augmenter la circonférence initiale par élongation des pattes reliant les différents tronçons de la bague. Compte tenu de la nature de la matière utilisée, ces pattes demeurent en position allongée, assurant une augmentation du diamètre de la bague par rapport à son diamètre initial. De ce fait, au moment du dévissage du bouchon, et après sectionnement des pontets, la bague est libre de tomber le long du col de la bouteille, apportant ainsi une preuve évidente de la première ouverture.When screwing the cap, the notches of the ring passing over the notches of the neck tend to increase the initial circumference by elongation of the tabs connecting the different sections of the ring. Given the nature of the material used, these tabs remain in the elongated position, ensuring an increase in the diameter of the ring compared to its initial diameter. Therefore, when the cap is unscrewed, and after cutting the bridges, the ring is free to fall along the neck of the bottle, thus providing clear proof of the first opening.
De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexe, représentant à titre d'exemple non limitatif, une forme d'exécution de ce bouchon :
- Figure 1 en est une vue en perspective éclatée, le corps du bouchon et l'obturateur étant dissociés l'un de l'autre ;
- Figure 2 est une vue en coupe longitudinale et à échelle agrandie de ce bouchon, en position assemblée des deux éléments le constituant ;
- Figure 3 est une vue en coupe longitudinale de ce bouchon, en position vissée sur le col d'un récipient.
- Figure 1 is an exploded perspective view, the body of the plug and the shutter being dissociated from one another;
- Figure 2 is a longitudinal sectional view on an enlarged scale of this plug, in the assembled position of the two elements constituting it;
- Figure 3 is a longitudinal sectional view of this plug, in the screwed position on the neck of a container.
Le bouchon représenté au dessin et désigné par la référence générale 2, comprend un corps de bouchon 3 réalisé en polypropylène et un obturateur 4 réalisé en polyéthylène.The stopper shown in the drawing and designated by the general reference 2, comprises a
Le corps de bouchon 3 possède une structure traditionnelle, c'est-à-dire présente une jupe sensiblement cylindrique, munie d'un filetage intérieur 6, obturée par un fond 7, et dont l'extrémité libre est équipée d'une bague d'inviolabilité 8, qui lui est reliée par des pontets 9.The
Du fond 7 du corps du bouchon fait saillie une cheminée annulaire 10 comportant sur sa face extérieure et à proximité de son extrémité libre, un jonc périphérique 12 qui, dans la forme d'exécution représentée au dessin, est discontinu.From the bottom 7 of the body of the plug protrudes an
L'obturateur 4 comporte pour sa part une jupe cylindrique 13 de hauteur au moins égale à la hauteur de la cheminée 10, dont une des extrémités est obturée par un fond 14 et dont l'autre extrémité est destinée à venir se plaquer contre le fond 7 du corps 3 du bouchon. La jupe 13 de l'obturateur 4, de diamètre compris entre le diamètre extérieur de la cheminée 10 et le diamètre intérieur de la partie 15 du col 16 de la bouteille au niveau de laquelle l'étanchéité doit être réalisée, comporte pour sa part un jonc 17 faisant saillie de sa face interne. Comme montré à la figure 2, le jonc 17 est disposé de telle sorte qu'après montage de l'obturateur dans le corps du bouchon le jonc 17 de l'obturateur soit situé entre le jonc 12 de la cheminée et le fond du bouchon.The
Le contact entre les joncs respectivement 12 de la cheminée 10 et 17 de l'obturateur 4 assure le clipsage de l'obturateur dans le corps du bouchon permettant d'une part une manipulation simultanée de ces deux éléments préalablement au bouchage et d'autre part le retrait simultané de ces deux éléments lors de l'opération d'ouverture de la bouteille.The contact between the
Comme montré à la figure 3, l'étanchéité au liquide est assuré dans d'excellentes conditions, compte tenu du pincement de la jupe de l'obturateur, réalisé en un matériau relativement souple, entre la cheminée 10 du bouchon et le col 15 du récipient, qui sont pour leur part réalisés en un matériau plus dur.As shown in FIG. 3, the liquid tightness is ensured under excellent conditions, taking into account the pinching of the shutter skirt, made of a relatively flexible material, between the
Conformément à une autre caractéristique de l'invention, la bague d'inviolabilité possède deux fentes 18 diamétralement opposées, s'étendant sur la totalité de sa hauteur à l'exception d'une patte 19 de hauteur faible vis-à-vis de la hauteur de la bague.In accordance with another characteristic of the invention, the tamper-evident ring has two diametrically
En pratique, lors du vissage du bouchon les crans profilés 20 de la bague passant sur les crans profilés 22 du col 16 du récipient provoquent une augmentation du diamètre du la bague par allongement irréversible des pattes 19. Lors du dévissage du bouchon et après rupture des pontets 9, la bague se trouve libérée, et peut coulisser librement le long du col du récipient, compte tenu de l'augmentation de son diamètre dû à l'allongement des pattes 19. Ceci permet de visualiser immédiatement si une bouteille a été ou non ouverte.In practice, when the cap is screwed on, the
Comme il ressort de ce qui précède, l'invention apporte une grande amélioration à la technique existante, en fournissant un bouchon de conception et de structure simples, assurant d'excellentes qualités de bouchage, en réalisant une bonne étanchéité au liquide et une bonne imperméabilité à l'air. En outre, la structure de ce bouchon permet de visualiser immédiatement la première ouverture du récipient qu'il équipe.As is clear from the above, the invention brings a great improvement to the existing technique, by providing a plug of simple design and structure, ensuring excellent sealing qualities, achieving good liquid tightness and good air impermeability. In addition, the structure of this stopper makes it possible to immediately view the first opening of the container with which it is fitted.
Comme il va soi, l'invention ne se limite pas à la seule forme d'exécution de ce bouchon décrite ci-dessus à titre d'exemple ; elle en embrasse, au contraire, toutes les variantes de réalisation. C'est ainsi notamment, que le corps du bouchon et l'obturateur pourraient être réalisés en des matériaux différents de ceux mentionnés dans la description, que la cuvette de l'obturation pourrait présenter un retour vers l'extérieur venant en recouvrement du bord supérieur de la bouteille ou encore que le nombre de pattes de liaison entre les différents tronçons de la bague d'inviolabilité pourraient être différent sans que l'on sorte pour autant du cadre de l'invention.It goes without saying that the invention is not limited to the sole embodiment of this stopper described above by way of example; on the contrary, it embraces all of its variant embodiments. Thus, in particular, that the body of the plug and the shutter could be made of materials different from those mentioned in the description, that the bowl of the shutter could present a return towards the outside coming to cover the upper edge. of the bottle or that the number of connecting tabs between the different sections of the tamper-evident ring could be different without departing from the scope of the invention.
Claims (5)
- A screw cap of synthetic material, of the type including, on the one hand, a cap body (3) made of a material which is impermeable to air, from the base (7) of which projects a portion (10) in the shape of an annular hollow portion having, close to its free end a continuous or discontinuous outwardly turned peripheral retainer ring, and, on the other hand, a closure device (4) which, intended to be mounted within the body of the cap, has the general shape of a dish, of which the skirt (13) has a diameter comprised between the external diameter of the hollow portion (10) and the internal diameter of the neck of the bottle to be closed, and a height at least equal to that of the hollow portion (10) projecting from the base of the cap, a continuous or discontinuous peripheral retainer ring (17) projecting from the internal face of the skirt, which retainer ring is arranged in such a way that in the engaged position of the dish on the hollow portion, the retainer ring (17) of the closure device is located between the retainer ring (12) of the hollow portion (10) and the base (7) of the cap, the internal diameter of the retainer ring of the closure device being smaller than the external diameter of the retainer ring of the cap, characterised in that the closure device (4) is made of a more flexible material than the body (3) of the cap, and in that the bearing region of the skirt (13) of the closure device (4) on the internal face (15) of the neck (16) of the bottle is disposed between, on the one hand, the retainer rings (12,17) respectively of the hollow portion of the body of the cap (3) and the skirt (13) of the closure device and, on the other hand, the base of the cap body.
- A cap according to Claim 1, characterised in that the body (3) of the cap is made of polypropylene, whilst the closure device (4) is made of polyethylene.
- A cap according to either of Claims 1 and 2, characterised in that the upper edge of the skirt (13) of the closure device (4) has no externally directed return covering the neck of the bottle.
- A cap according to any one of Claims 1 to 3, of the type equipped with an anti-tamper ring (8) having shaped notches (20) intended to cooperate with shaped notches (22) of the neck (16) of the container, to permit a rotation of the ring in the direction of screwing on of the cap and to prevent its rotation in the direction of unscrewing of the cap, and in which the ring (8) is connected to the body (3) of the cap by separable connecting parts (9), characterised in that the ring (8) has at least one axial slot (18) delimiting two sections connected to one another in the region of the slot by a tab (19) having a smaller cross-section with respect to the height of the ring.
- A cap according to Claim 4, characterised in that the slots formed in the anti-tamper ring (8) are two in number and are disposed in a diametrically opposed manner.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8718570A FR2625479B1 (en) | 1987-12-31 | 1987-12-31 | SCREW PLUG IN SYNTHETIC MATERIAL |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0379823A1 EP0379823A1 (en) | 1990-08-01 |
| EP0379823B1 true EP0379823B1 (en) | 1993-06-02 |
Family
ID=9358601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89420023A Expired - Lifetime EP0379823B1 (en) | 1987-12-31 | 1989-01-27 | Synthetic material screw-threaded stopper |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0379823B1 (en) |
| AT (1) | ATE90056T1 (en) |
| DE (1) | DE68906877T2 (en) |
| ES (1) | ES2041030T3 (en) |
| FR (1) | FR2625479B1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2625479B1 (en) * | 1987-12-31 | 1990-06-08 | Astra Plastique | SCREW PLUG IN SYNTHETIC MATERIAL |
| IT229904Y1 (en) * | 1993-05-12 | 1999-02-05 | Capsulit Spa | PLASTIC CAPSULE IN PARTICULAR FOR INFUSION AND INJECTION BOTTLES |
| ES2137076B1 (en) * | 1996-06-10 | 2000-07-01 | Betapack Sa | CAP FOR PERFECTED OIL BOTTLES. |
| GB2312207B (en) * | 1996-10-25 | 1998-08-26 | Massmould Holdings | Plug closure assembly |
| DE19964544B4 (en) * | 1999-06-18 | 2009-08-20 | Kunststoffwerk Kutterer Gmbh & Co. Kg | Closure device for a container |
| US9415892B2 (en) | 2010-11-11 | 2016-08-16 | Ube Industries, Ltd. | Container for nonaqueous electrolyte solution, nonaqueous electrolyte solution to put in container, and method for storing nonaqueous electrolyte solution |
| ES2678545T3 (en) | 2011-09-29 | 2018-08-13 | Ge Healthcare As | Container |
| CN104105468B (en) | 2011-12-15 | 2017-03-08 | 通用电气医疗集团股份有限公司 | Package |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB786282A (en) * | 1955-01-06 | 1957-11-13 | Containers & Closures Ltd | Improvements relating to closure means for liquid containers, primarily bottles |
| DE1047045B (en) * | 1956-06-12 | 1958-12-18 | Ciba Geigy | Closure for container with neck |
| US3111238A (en) * | 1961-10-25 | 1963-11-19 | Landers Frary & Clark | Stopper and cap assembly for a container |
| FR1401450A (en) * | 1964-04-24 | 1965-06-04 | Capco | Advanced screw cap with deformable seal |
| FR1580979A (en) * | 1968-06-12 | 1969-09-12 | ||
| FR2219081B1 (en) * | 1973-02-27 | 1977-04-22 | Cros Modesto | |
| DE2334750A1 (en) * | 1973-07-09 | 1975-01-30 | Underberg Gmbh | Tamper proof bottle cap - stopper sealing ring remaining locked on bottle neck with screw cap removed |
| DE2421006A1 (en) * | 1974-04-30 | 1975-11-13 | Hans Heinlein | Bottle cap with originality seal - has axial ribs joining seal to cap and bearing against external ring |
| EP0008190A1 (en) * | 1978-08-03 | 1980-02-20 | Plysu Limited | Pilferproof closure |
| FR2499519A1 (en) * | 1981-02-11 | 1982-08-13 | Grussen Jean | SCREW CAPSULE WITH INVIOLABILITY RING |
| US4485934A (en) * | 1983-03-24 | 1984-12-04 | Maguire Daniel J | Tamperproof closure |
| DE3421820A1 (en) * | 1984-06-13 | 1985-12-19 | Zeller Plastik Koehn, Gräbner & Co, 5583 Zell | Tamper-proof closure |
| FR2600629B1 (en) * | 1986-06-24 | 1989-03-17 | Astra Plastique | TAMPER-FREE CLOSURE MEANS FOR A THREADED NECK CONTAINER |
| FR2625479B1 (en) * | 1987-12-31 | 1990-06-08 | Astra Plastique | SCREW PLUG IN SYNTHETIC MATERIAL |
-
1987
- 1987-12-31 FR FR8718570A patent/FR2625479B1/en not_active Expired - Fee Related
-
1989
- 1989-01-27 ES ES198989420023T patent/ES2041030T3/en not_active Expired - Lifetime
- 1989-01-27 DE DE8989420023T patent/DE68906877T2/en not_active Expired - Lifetime
- 1989-01-27 AT AT89420023T patent/ATE90056T1/en not_active IP Right Cessation
- 1989-01-27 EP EP89420023A patent/EP0379823B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE68906877D1 (en) | 1993-07-08 |
| FR2625479A1 (en) | 1989-07-07 |
| ATE90056T1 (en) | 1993-06-15 |
| ES2041030T3 (en) | 1993-11-01 |
| EP0379823A1 (en) | 1990-08-01 |
| FR2625479B1 (en) | 1990-06-08 |
| DE68906877T2 (en) | 1993-09-09 |
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