ES2253133B1 - CLOSURE FOR A JAR OF THE TYPE SEALED HERMETICALLY BY A SCRAPABLE SHEET. - Google Patents

CLOSURE FOR A JAR OF THE TYPE SEALED HERMETICALLY BY A SCRAPABLE SHEET. Download PDF

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Publication number
ES2253133B1
ES2253133B1 ES200503068A ES200503068A ES2253133B1 ES 2253133 B1 ES2253133 B1 ES 2253133B1 ES 200503068 A ES200503068 A ES 200503068A ES 200503068 A ES200503068 A ES 200503068A ES 2253133 B1 ES2253133 B1 ES 2253133B1
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Spain
Prior art keywords
sheet
tear
main body
bottle
neck
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ES200503068A
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Spanish (es)
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ES2253133A1 (en
Inventor
Carles Lapeña Barcelo
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UNITED CAPS LLAGOSTERA S.A.
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Grup Vemsa 1857 S L
GRUP VEMSA 1857 SL
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Priority to ES200503068A priority Critical patent/ES2253133B1/en
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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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/228—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being removed from the container after the opening

Abstract

Cierre para un frasco del tipo sellado herméticamente por una lámina rasgable (1), que comprende un cuerpo principal (2) con una parte de asiento periférica (3) en apoyo sobre el borde superior del cuello de un frasco, de forma que una zona periférica de la lámina rasgable (1) queda aprisionada entre dicha parte de asiento periférica (3) y dicho borde superior del cuello. El cuerpo principal (2) presenta una parte retirable (5) que está unida a la parte de asiento periférica (3) por medio de una pluralidad de puentes rompibles (6). La parte retirable (5) está solidarizada a la lámina rasgable (1) y está provista de unos medios de tiro (7). La apertura del cierre se realiza tirando de los medios de tiro (7) para extraer la parte retirable (5) junto con la lámina rasgable (1) adherida a la misma.Closure for a bottle of the hermetically sealed type by a tear-off sheet (1), comprising a main body (2) with a peripheral seat part (3) resting on the upper edge of the neck of a bottle, so that an area peripheral of the tear-off sheet (1) is trapped between said peripheral seat part (3) and said upper edge of the neck. The main body (2) has a removable part (5) that is connected to the peripheral seat part (3) by means of a plurality of breakable bridges (6). The removable part (5) is in solidarity with the tear-off sheet (1) and is provided with a means of shooting (7). The closure is opened by pulling the pulling means (7) to remove the removable part (5) together with the tear-off sheet (1) attached to it.

Description

Cierre para un frasco del tipo sellado herméticamente por una lámina rasgable.Closure for a sealed type bottle Hermetically by a tear-off sheet.

Campo de la invenciónField of the Invention

La invención se refiere a un cierre para un frasco del tipo sellado herméticamente por una lámina rasgable, presentando el frasco una boca definida por un cuello y sellada inicialmente por dicha lámina rasgable.The invention relates to a closure for a jar of the sealed type by a tear-off foil, presenting the bottle a mouth defined by a neck and sealed initially by said tear sheet.

El tipo de cierre al que se refiere la invención se utiliza típicamente, aunque no exclusivamente, en el envasado de productos alimenticios que deben conservarse en un frasco hermético con el fin de protegerlos de la humedad ambiente. El producto se comercializa envasado en el frasco, cuya boca está cerrada herméticamente por una lámina rasgable que será retirada por el consumidor final.The type of closure to which the invention relates It is typically used, but not exclusively, in the packaging of food products to be kept in an airtight jar in order to protect them from ambient humidity. The product is sells packaged in the bottle, whose mouth is closed tightly by a tear-off sheet that will be removed by the final consumer.

Estado de la técnicaState of the art

En los cierres conocidos de este tipo, la lámina rasgable es típicamente una lámina de material complejo formado por papel o plástico más aluminio que está encolada al borde superior de la boca del frasco, de forma que sella herméticamente dicha boca. En muchos casos, dicha lámina no presenta ningún asidero para poder tirar de ella, con lo cual el usuario debe emplear algún útil para rasgarla, como por ejemplo una cuchara o un cuchillo. Este sistema presenta el inconveniente de que es engorroso para el consumidor y de que no permite obtener una abertura uniforme del envase.In known closures of this type, the sheet tear is typically a sheet of complex material formed by paper or plastic plus aluminum that is glued to the upper edge from the mouth of the bottle, so that it seals hermetically mouth. In many cases, said sheet has no handle for to be able to pull it, with which the user must use some useful to tear it, such as a spoon or knife. This system has the disadvantage that it is cumbersome for the consumer and that does not allow to obtain a uniform opening of the container.

En otros casos, la lámina se extiende por medio de una lengüeta destinada a que el consumidor tire de ella, resultando más fácil la operación de retirada de la lámina. Sin embargo, este sistema no siempre es robusto, ya que la lengüeta puede romperse debido a que el encolado de la lámina en la boca del frasco es fuerte y obliga a ejercer una fuerza importante sobre la misma.In other cases, the sheet extends through of a tongue intended for the consumer to pull it, making the operation of removing the sheet easier. Without However, this system is not always robust, since the tongue it can break due to the gluing of the sheet in the mouth of the jar is strong and forces an important force on the same.

Otra solución conocida consiste en que la lámina rasgable lleva incorporado un asidero y presenta un troquelado previo que define una línea de debilitación a lo largo de la cual se produce el desgarre. Sin embargo, la operación de troquelado complica y encarece la fabricación del envase. Además, existe el riesgo de que el troquelado debilite demasiado la lámina y ésta pierda sus propiedades herméticas al verse sometida accidentalmente a algún esfuerzo no previsto.Another known solution is that the sheet It has a built-in handle and has a die cut prior that defines a line of weakening along which tear occurs. However, the die cutting operation complicates and makes the manufacture of the package more expensive. In addition, there is the risk that the die will weaken the sheet too much and this lose its hermetic properties when accidentally subjected to some unplanned effort.

Sumario de la invenciónSummary of the invention

La invención tiene como finalidad superar los inconvenientes de los cierres conocidos expuestos en lo que precede. En particular, un objetivo de la invención es proporcionar un cierre cuyo proceso de fabricación no presente complicaciones y en el cual la lámina rasgable sea robusta y al mismo tiempo pueda ser retirada por el consumidor final de una forma fácil y segura, sin necesidad de utilizar ningún útil.The invention aims to overcome the drawbacks of known closures exposed in what precedes. In particular, an object of the invention is to provide a closure whose manufacturing process does not present complications and in which the tear-off sheet is robust and at the same time can be removed by the final consumer in an easy and safe way, No need to use any tools.

Esta finalidad se consigue mediante un cierre del tipo indicado al principio, caracterizado porque presenta un cuerpo principal que se acopla al cuello del frasco, presentando dicho cuerpo principal una parte de asiento periférica que se apoya contra el borde superior del cuello del frasco, de forma que una zona periférica de dicha lámina rasgable queda aprisionada entre dicha parte de asiento periférica del cuerpo principal y dicho borde superior del cuello del frasco, y presentando dicho cuerpo principal una parte retirable que está unida a dicha parte de asiento periférica por medio de una pluralidad de puentes rompibles, estando dicha parte retirable solidarizada a dicha lámina rasgable y provista de unos medios de tiro.This purpose is achieved by closing of the type indicated at the beginning, characterized in that it has a main body that attaches to the neck of the bottle, presenting said main body a peripheral seat part that rests against the upper edge of the neck of the bottle, so that a peripheral area of said tear-off sheet is imprisoned between said peripheral seat part of the main body and said upper edge of the neck of the bottle, and presenting said body principal a removable part that is attached to said part of peripheral seat by means of a plurality of breakable bridges, said removable part being in solidarity with said tear-off sheet and provided with some means of shooting.

En el cierre según la invención, para retirar la lámina rasgable se actúa sobre la parte retirable del cuerpo principal del cierre a través de sus medios de tiro, levantando dicha parte retirable y rompiendo progresivamente los puentes rompibles. La parte del cierre que retira el consumidor es pues el conjunto formado por la parte retirable del cuerpo principal del cierre y por la lámina rasgable que está solidarizada a dicha parte retirable. La lámina rasgable, al estar por un lado solidarizada a dicha parte retirable y por otro lado aprisionada bajo dicha parte de asiento periférica, se desgarra limpiamente a lo largo del borde de esta última.In the closure according to the invention, to remove the Tear-off sheet acts on the removable part of the body main closing through their means of shooting, raising said removable part and progressively breaking the bridges breakable The part of the closing that the consumer withdraws is therefore the set formed by the removable part of the main body of the closure and by the tear-off sheet that is in solidarity with said part removable The tear-off sheet, being on one side in solidarity with said removable part and on the other hand imprisoned under said part Peripheral seat, tears cleanly along the edge of the latter.

Esta configuración particular del cierre según la invención permite que, preferentemente, la lámina rasgable presente un grosor uniforme en toda su extensión, sin presentar marcas de debilitación.This particular closure configuration according to the invention preferably allows the tear-off sheet present a uniform thickness throughout its length, without presenting weakening marks

Preferentemente, los medios de tiro de la parte retirable están formados por un elemento pivotante que presenta un primer extremo en forma de asidero, mientras que su segundo extremo se aplica sobre dicha lámina rasgable en la proximidad de dicha parte de asiento periférica, de manera que al levantar dicho primer extremo el elemento pivotante bascula hundiendo su segundo extremo en dicha lámina rasgable, rasgándola localmente. Ventajosamente, dicha parte retirable presenta una abertura en la que la lámina rasgable queda accesible y en la que se hunde dicho segundo extremo del elemento pivotante. Los medios de tiro así formados facilitan considerablemente la operación de retirada de la lámina rasgable, al iniciar localmente el desgarre en una zona adyacente a la parte de asiento periférica.Preferably, the means of shooting the part removable are formed by a pivoting element that has a first grip-shaped end while its second end is applied on said tear sheet in the vicinity of said peripheral seat part, so that when lifting said first end the pivoting element swings sinking its second end on said tear-off sheet, tearing it locally. Advantageously, said removable part has an opening in the that the tear-off sheet is accessible and in which said sinking second end of the pivoting element. The means of shooting as well formed considerably facilitate the withdrawal operation of the tear-off sheet, when locally tearing in an area adjacent to the peripheral seat part.

Preferentemente, dicha parte retirable presenta la forma de una banda que cubre una banda periférica correspondiente de dicha lámina rasgable, dejando descubierta la parte central de dicha lámina rasgable. Se consigue así que la parte retirable se extienda sólo lo mínimo indispensable para asegurar su función, esto es establecer una unión rompible con la parte de asiento periférica.Preferably, said removable part has the shape of a band that covers a peripheral band corresponding of said tear-off sheet, revealing the central part of said tear sheet. You get so the part  removable extends only the minimum indispensable to ensure your function, this is to establish a breakable union with the part of peripheral seat

Preferentemente, dicha parte de asiento periférica presenta, en su cara de apoyo sobre dicha lámina rasgable, un reborde de arista viva que hace que el desgarre de la lámina se produzca limpia y fácilmente a lo largo del mismo.Preferably, said seat part peripheral presents, on its support face on said sheet tear, a flange of living edge that causes the tear of the Blade is produced cleanly and easily along it.

Preferentemente, dicha zona periférica de la lámina rasgable, que queda aprisionada entre dicha parte de asiento periférica del cuerpo principal y dicho borde superior del cuello del frasco, está encolada a dicho borde superior del cuello del frasco, con lo cual se asegura con mayor confianza la hermeticidad de la lámina rasgable que sella la boca de frasco.Preferably, said peripheral area of the tear-off sheet, which is trapped between said seat part peripheral of the main body and said upper edge of the neck of the bottle, is glued to said upper edge of the neck of the bottle, which ensures the airtightness with greater confidence of the tear-off foil that seals the bottle mouth.

Preferentemente, el cierre según la invención comprende una tapa abatible que en su posición abatida cubre dicha parte de asiento periférica, dicha parte retirable y dicha lámina rasgable, dicha tapa abatible estando formada en una monopieza de material plástico con dicho cuerpo principal y estando unida a dicho cuerpo principal por medio de un puente flexible que actúa a modo de bisagra, y presentando dicha tapa abatible y dicho cuerpo principal unos medios de encliquetado mutuo. La tapa abatible así dispuesta permite que el consumidor final pueda cerrar el frasco tras haber retirado la lámina rasgable. Su configuración particular asegura un funcionamiento robusto, con un coste de fabricación reducido.Preferably, the closure according to the invention it comprises a flip cover that in its collapsed position covers said peripheral seat part, said removable part and said sheet collapsible, said collapsible cover being formed in a single piece of plastic material with said main body and being attached to said main body by means of a flexible bridge that acts as a hinge, and presenting said folding lid and said body Main means of mutual encliquetado. The flip top like this ready allows the final consumer to close the bottle after removing the tear-off sheet. Your particular configuration ensures robust operation, with a manufacturing cost reduced.

Breve descripción de los dibujosBrief description of the drawings

Otras ventajas y características de la invención se aprecian a partir de la siguiente descripción en la que, sin ningún carácter limitativo, se relata una forma preferente de realización de la invención haciendo mención de los dibujos que se acompañan. Las figuras muestran:Other advantages and features of the invention they can be seen from the following description in which, without no limiting character, a preferred form of embodiment of the invention mentioning the drawings that are accompany. The figures show:

Figs. 1 y 2, respectivamente, unas vistas en alzado frontal y superior de un frasco que lleva incorporado un cierre según la invención, en su estado inicial con la tapa en posición abatida;Figs. 1 and 2, respectively, views in front and top elevation of a bottle that incorporates a closure according to the invention, in its initial state with the lid on dejected position;

Figs. 3 a 6, unas vistas superiores del frasco de la Fig. 1, que muestran las etapas sucesivas de apertura del cierre por parte de un usuario final (estas vistas están giradas 90º con respecto a la vista de la Fig. 2);Figs. 3 to 6, top views of the jar of Fig. 1, which show the successive stages of opening the closing by an end user (these views are rotated 90º with respect to the view of Fig. 2);

Fig. 7, una vista de detalle ampliada de la Fig. 4, que muestra la zona situada alrededor del elemento de tiro;Fig. 7, an enlarged detail view of Fig. 4, which shows the area around the shooting element;

Figs. 8 a 12, unas vistas parciales en sección correspondientes a las Figs. 2 a 6, respectivamente, en las que sólo se ha representado la parte superior del frasco;Figs. 8 to 12, partial sectional views corresponding to Figs. 2 to 6, respectively, in which only the upper part of the bottle has been represented;

Figs. 13 a 16, unas vistas de detalle ampliadas de las Figs. 8 a 11, respectivamente, que muestran la zona situada alrededor del elemento de tiro;Figs. 13 to 16, extended detail views of Figs. 8 to 11, respectively, showing the area located around the shooting element;

Fig. 14a, una vista de detalle ampliada de la Fig. 14, que muestra la zona de la parte de asiento periférica del cuerpo principal del cierre, indicada en línea de trazos en la Fig. 14.Fig. 14a, an enlarged detail view of the Fig. 14, showing the area of the peripheral seating part of the main body of the closure, indicated in dashed line in Fig. 14.

Descripción detallada de una forma de realización de la invenciónDetailed description of an embodiment of the invention

El cierre que se muestra en las Figs. 1 a 16 a título de ejemplo no limitativo se aplica a un frasco de plástico que contiene un producto alimenticio. La Fig. 1 es una vista íntegra del frasco 15 que lleva incorporado el cierre según la invención, encajado en su cuello. En este ejemplo particular, el cuello del frasco define una boca con forma circular, siendo el cierre igualmente circular; sin embargo, la invención es igualmente aplicable a un frasco de cualquier otra forma o material, que tenga una boca sellada herméticamente por una lámina rasgable.The closure shown in Figs. 1 to 16 a Non-limiting example title applies to a plastic bottle It contains a food product. Fig. 1 is a view integral of the bottle 15 that incorporates the closure according to the invention, embedded in his neck. In this particular example, the bottle neck defines a circular shaped mouth, the similarly circular closure; however, the invention is also applicable to a bottle of any other form or material, which has a mouth sealed tightly by a tear-off foil.

El cierre está realizado en una sola pieza de material plástico e incorpora además una lámina rasgable que, en este ejemplo, es una lámina 1 de material complejo formado por papel o plástico más aluminio que presenta un grosor uniforme en toda su extensión y está exenta de marcas de debilitación. Obviamente, la lámina rasgable 1 puede realizarse en otro material sin salir por ello del marco de la invención.The closure is made in a single piece of plastic material and also incorporates a tear-off sheet that, in This example is a sheet 1 of complex material formed by paper or plastic plus aluminum that has a uniform thickness in all its extension and is free of weakening marks. Obviously, the tear-off sheet 1 can be made of another material without leaving the framework of the invention.

Como puede verse en particular en las Figs. 8 a 16, la lámina 1 está aplicada por su zona periférica sobre el borde superior 4 del cuello del frasco, sellando la boca definida por el cuello. El cierre presenta un cuerpo principal 2 que comprende una parte de asiento periférica 3 por la que se apoya sobre el borde superior 4 del cuello, aprisionando una zona periférica de la lámina 1. Para obtener una mayor garantía en el sellado hermético realizado por la lámina 1, esta última está encolada al borde superior 4 del cuello del frasco. Como puede verse en las Figs. 3 a 6, y con mayor detalle en la Fig. 7, el cuerpo principal 2 del cierre presenta asimismo una parte retirable 5 que está unida a la parte de asiento periférica 3 por medio de una pluralidad de puentes rompibles 6 y que está solidarizada, en este caso mediante encolado, a la lámina 1. La parte retirable 5 presenta una forma de banda circular que cubre una banda periférica correspondiente de la lámina 1, dejando al descubierto la parte central de dicha lámina. Por otra parte, la parte retirable 5 está provista de unos medios de tiro 7, que en este caso están formados por un elemento pivotante que presenta un primer extremo 8 en forma de asidero y un segundo extremo 9 en forma de pala aplicado sobre la lámina 1 cerca de la parte de asiento periférica 3. Como puede verse en la Fig. 7, la parte retirable 5 presenta una abertura 16 que deja accesible una pequeña zona de la lámina 1 y en la que actúa el segundo extremo 9 del elemento pivotante 7. Un travesaño 17 tendido sobre dicha abertura 16 soporta de forma pivotante el elemento 7. Los medios de tiro 7 así constituidos aseguran eficazmente una doble función: el rasgado inicial de la lámina 1 en una zona limitada adyacente a la parte de asiento periférica 3 y la separación de la parte retirable 5 junto con la lámina 1 adherida a ésta, como se verá más adelante. Con el fin de asegurar que el desgarre de la lámina 1 se realice de forma precisa y fácil, la parte de asiento periférica 3 presenta, en su cara de apoyo sobre la lámina 1, un reborde de arista viva 10, tal como puede verse con mayor detalle en la Fig. 14a. El reborde 10, en este caso, presenta en sección una forma de punta triangular, y se extiende a lo largo de toda la circunferencia de la parte de asiento periférica 3.As can be seen in particular in Figs. 8 a 16, the sheet 1 is applied by its peripheral area on the edge upper 4 of the neck of the bottle, sealing the mouth defined by the neck. The closure has a main body 2 comprising a peripheral seat part 3 by which it rests on the edge upper 4 of the neck, imprisoning a peripheral area of the sheet 1. To obtain a better guarantee in hermetic sealing made by sheet 1, the latter is glued to the edge top 4 of the neck of the bottle. As can be seen in Figs. 3 a 6, and in greater detail in Fig. 7, the main body 2 of the closure also has a removable part 5 that is attached to the peripheral seat part 3 by means of a plurality of breakable bridges 6 and that is in solidarity, in this case by glued to sheet 1. The removable part 5 has a form of circular band covering a corresponding peripheral band of the sheet 1, exposing the central part of said sheet. On the other hand, the removable part 5 is provided with means of shot 7, which in this case are formed by an element pivot having a first end 8 in the form of a handle and a second blade-shaped end 9 applied on sheet 1 near of the peripheral seat part 3. As can be seen in Fig. 7, the removable part 5 has an opening 16 that makes it accessible a small area of the sheet 1 and in which the second acts end 9 of the pivoting element 7. A cross member 17 lying on said opening 16 pivotally supports the element 7. The shooting means 7 thus constituted effectively ensure a double Function: Initial tearing of sheet 1 in a limited area adjacent to the peripheral seat part 3 and the separation of the removable part 5 together with the sheet 1 adhered thereto, as will see later. In order to ensure that the tear of the sheet 1 is made accurately and easily, the seat part peripheral 3 has, on its support face on the sheet 1, a edge of live edge 10, as can be seen in greater detail in Fig. 14a. The flange 10, in this case, presents in section a triangular tip shape, and extends along the entire circumference of the peripheral seat part 3.

El cierre considerado en este ejemplo comprende ventajosamente una tapa abatible 11 que en su posición abatida cubre superiormente todo el conjunto, es decir la parte de asiento periférica 3, la parte retirable 5 y la lámina rasgable 1. Esta tapa abatible 11 está formada de una sola pieza de material plástico con el cuerpo principal 2 del cierre y está unida a este último por medio de un puente flexible 12 que actúa a modo de bisagra. El bloqueo reversible de la posición abatida de la tapa 11 se realiza gracias a un gancho 14 dispuesto en la cara inferior de dicha tapa y a un resalte 13 formado en el borde perimetral de la parte de asiento periférica 3, tal como puede verse en la Fig. 13. El gancho 14 y el resalte 13 interactúan formando unos medios de encliquetado.The closure considered in this example includes advantageously a flip cover 11 which in its collapsed position covers the entire assembly, that is, the seat part peripheral 3, the removable part 5 and the tear-off sheet 1. This flip top 11 is formed from a single piece of plastic material with the main body 2 of the closure and is connected to the latter by means of a flexible bridge 12 that acts as a hinge. He reversible locking of the collapsed position of the cover 11 is performed thanks to a hook 14 arranged on the underside of said lid and to a shoulder 13 formed on the perimeter edge of the part of peripheral seat 3, as can be seen in Fig. 13. The hook 14 and the highlight 13 interact forming a means of Enclosed

La apertura del cierre por parte del consumidor final se realiza de la forma siguiente. El frasco 15 se comercializa con el cierre montado en el mismo, con la tapa 11 en posición abatida (Figs. 1, 2, 8 y 13) y eventualmente recubierta por un precinto (no representado). La boca del frasco se encuentra sellada herméticamente por la lámina 1, que durante el proceso de envasado ha sido encolada al borde superior 4 del cuello del frasco y a la parte retirable 5 del cuerpo principal del cierre y se ha dispuesto aprisionada entre dicho borde superior 4 y la parte de asiento periférica 3. El consumidor empieza por levantar la tapa 11, dejando accesibles los medios de tiro constituidos por el elemento pivotante 7 (Figs. 3 y 14). A continuación, levanta el primer extremo 8, con lo cual el elemento 7 pivota y su segundo extremo 9 se hunde en la lámina 1, en la zona de la ventana 16, provocando un desgarre local de dicha lámina 1 (Figs. 4, 7 y 10). Seguidamente, el consumidor tira de dicho primer extremo 8, rompiendo progresivamente los puentes 6, con lo cual se produce progresivamente el desgarre completo de la lámina 1, que se inicia en el desgarre local en la zona de la ventana 16 y se extiende de forma precisa a lo largo del reborde de arista viva Se obtiene entonces una posición levantada de la parte retirable 5, que lleva solidarizada la parte principal de la lámina 1 que se ha separado de la parte periférica adherida al borde superior 4 del cuello del frasco (Figs. 5 y 11). Al seguir tirando del primer extremo 8 de los medios de tiro 7, finalmente dicha parte retirable 5, junto con la parte de lámina 1 que lleva adherida, se separa completamente del cierre, con lo cual finaliza la operación de retirada de la lámina 1 y el producto contenido en el frasco queda accesible (Figs. 6 y 12). Posteriormente, el consumidor podrá abatir de nuevo la tapa 11 para cerrar el frasco.The opening of the closing by the consumer Final is done as follows. Bottle 15 is marketed with the closure mounted on it, with the lid 11 on collapsed position (Figs. 1, 2, 8 and 13) and eventually covered by a seal (not shown). The mouth of the bottle is hermetically sealed by sheet 1, which during the process of packaging has been glued to the top edge 4 of the bottleneck and to the removable part 5 of the main body of the closure and has disposed imprisoned between said upper edge 4 and the part of peripheral seat 3. The consumer starts by lifting the lid 11,   leaving accessible the means of shooting constituted by the element pivoting 7 (Figs. 3 and 14). Then lift the first end 8, whereby the element 7 pivots and its second end 9 it sinks into sheet 1, in the area of window 16, causing a local tear of said sheet 1 (Figs. 4, 7 and 10). Then the consumer pulls said first end 8, breaking progressively bridges 6, which produces progressively tearing the entire sheet 1, which starts in the local tear in the area of window 16 and extends from precise shape along the edge of the sharp edge then a raised position of the removable part 5, which carries solidarity the main part of the sheet 1 that has been separated from the peripheral part adhered to the upper edge 4 of the neck of the bottle (Figs. 5 and 11). By continuing to pull the first end 8 of the pulling means 7, finally said removable part 5, together with the part of sheet 1 which is attached, separates completely from the  closure, which concludes the sheet removal operation 1 and the product contained in the bottle is accessible (Figs. 6 and 12). Subsequently, the consumer can fold down cover 11 again To close the bottle.

El experto en la materia comprenderá que la forma de realización de la invención descrita en lo que precede no constituye más que uno ejemplo no limitativo con respecto al cual podrán preverse numerosas variantes, sin salir por ello del marco de la presente invención. Así, puede preverse un cierre según la invención en el cual la parte de asiento periférica 3, la parte retirable 5 y los medios de tiro 7 tengan formas diferentes a las que se han expuesto en el ejemplo. Por ejemplo, sin salir del marco de la presente invención, puede preverse que la parte retirable 5 sea una tira circunferencial con una forma similar a la del ejemplo, pero más flexible y prolongándose en un extremo por una lengüeta que constituya dichos medios de tiro 7. Para retirar la lámina rasgable, el consumidor tira de esta lengüeta y va separando progresivamente la parte retirable de la parte de asiento periférico siguiendo un recorrido circular que empieza en el extremo de la tira que lleva la lengüeta y acaba en el otro extremo. No se ha considerado necesario ilustrar esta solución, ya que es una variación de la invención que está al alcance de un experto en la materia.The person skilled in the art will understand that the embodiment of the invention described in the foregoing no it constitutes more than one non-limiting example with respect to which numerous variants can be provided, without leaving the framework of the present invention. Thus, a closure can be provided according to the invention in which the peripheral seat part 3, the part removable 5 and the pulling means 7 have different shapes than that have been exposed in the example. For example, without leaving the frame of the present invention, it can be provided that the removable part 5 be a circumferential strip with a shape similar to the example, but more flexible and extending at one end by a tongue constituting said pulling means 7. To remove the sheet The consumer pulls this tab and separates progressively the removable part of the peripheral seat part  following a circular path that begins at the end of the strip that carries the tongue and ends at the other end. Has not been considered necessary to illustrate this solution, since it is a variation of the invention that is within the reach of an expert in the matter.

Claims (8)

1. Cierre para un frasco del tipo sellado herméticamente por una lámina rasgable, presentando dicho frasco una boca definida por un cuello y sellada inicialmente por dicha lámina rasgable (1), caracterizado porque dicho cierre presenta un cuerpo principal (2) que se acopla al cuello del frasco, presentando dicho cuerpo principal (2) una parte de asiento periférica (3) que se apoya contra el borde superior (4) de dicho cuello del frasco, de forma que una zona periférica de dicha lámina rasgable (1) queda aprisionada entre dicha parte de asiento periférica (3) del cuerpo principal y dicho borde superior (4) del cuello del frasco, y presentando dicho cuerpo principal (2) una parte retirable (5) que está unida a dicha parte de asiento periférica (3) por medio de una pluralidad de puentes rompibles (6), estando dicha parte retirable (5) solidarizada a dicha lámina rasgable (1) y provista de unos medios de tiro (7).1. Closing for a bottle of the type hermetically sealed by a tear-off foil, said flask having a mouth defined by a neck and initially sealed by said tear-off foil (1), characterized in that said closure has a main body (2) that is coupled to the neck of the bottle, said main body (2) having a peripheral seat part (3) that rests against the upper edge (4) of said neck of the bottle, so that a peripheral area of said tear-off sheet (1) is imprisoned between said peripheral seat part (3) of the main body and said upper edge (4) of the neck of the bottle, and said main body (2) having a removable part (5) which is attached to said peripheral seat part (3) by means of a plurality of breakable bridges (6), said removable part (5) being in solidarity with said tear-off sheet (1) and provided with means of shooting (7). 2. Cierre según la reivindicación 1, caracterizado porque dicha lámina rasgable (1) presenta un grosor uniforme en toda su extensión, sin presentar marcas de debilitación.2. Closure according to claim 1, characterized in that said tear-off sheet (1) has a uniform thickness throughout its entirety, without presenting weakening marks. 3. Cierre según las reivindicaciones 1 ó 2, caracterizado porque dichos medios de tiro (7) de la parte retirable (5) están formados por un elemento pivotante que presenta un primer extremo (8) en forma de asidero, mientras que su segundo extremo (9) se aplica sobre dicha lámina rasgable (1) en la proximidad de dicha parte de asiento periférica (3), de manera que al levantar dicho primer extremo (8) el elemento pivotante (7) bascula hundiendo su segundo extremo (9) en dicha lámina rasgable (1) rasgándola localmente.3. Closure according to claims 1 or 2, characterized in that said pulling means (7) of the removable part (5) are formed by a pivoting element having a first end (8) in the form of a handle, while its second end (9) is applied on said tear-off sheet (1) in the vicinity of said peripheral seat part (3), so that when said first end (8) is raised, the pivoting element (7) swings by sinking its second end (9) on said tear sheet (1) by tearing it locally. 4. Cierre según la reivindicación 3, caracterizado porque dicha parte retirable (5) presenta una abertura (16) en la que dicha lámina rasgable (1) queda accesible y en la que se hunde dicho segundo extremo (9) del elemento pivotante (7).A closure according to claim 3, characterized in that said removable part (5) has an opening (16) in which said tear-off sheet (1) is accessible and in which said second end (9) of the pivoting element (7) sinks. ). 5. Cierre según cualquiera de las reivindicaciones 1 a 4, caracterizado porque dicha parte retirable (5) presenta la forma de una banda que cubre una banda periférica correspondiente de dicha lámina rasgable (1), dejando descubierta la parte central de dicha lámina rasgable (1).5. A closure according to any one of claims 1 to 4, characterized in that said removable part (5) is in the form of a band covering a corresponding peripheral band of said tear-off sheet (1), leaving the central part of said tear-off sheet uncovered ( one). 6. Cierre según cualquiera de las reivindicaciones 1 a 5, caracterizado porque dicha parte de asiento periférica (3) presenta, en su cara de apoyo sobre dicha lámina rasgable (1), un reborde de arista viva (10).A closure according to any one of claims 1 to 5, characterized in that said peripheral seat part (3) has, on its support face on said tear-off sheet (1), a live edge flange (10). 7. Cierre según cualquiera de las reivindicaciones 1 a 6, caracterizado porque dicha zona periférica de la lámina rasgable (1), que queda aprisionada entre dicha parte de asiento periférica (3) del cuerpo principal y dicho borde superior (4) del cuello del frasco, está encolada a dicho borde superior (4) del cuello del frasco.7. Closure according to any of claims 1 to 6, characterized in that said peripheral area of the tear-off sheet (1), which is trapped between said peripheral seat part (3) of the main body and said upper edge (4) of the neck of the bottle, is glued to said upper edge (4) of the neck of the bottle. 8. Cierre según cualquiera de las reivindicaciones 1 a 7, caracterizado porque comprende una tapa abatible (11) que en su posición abatida cubre dicha parte de asiento periférica (3), dicha parte retirable (5) y dicha lámina rasgable (1), dicha tapa abatible (11) estando formada en una monopieza de material plástico con dicho cuerpo principal (2) y estando unida a dicho cuerpo principal (2) por medio de un puente flexible (12) que actúa a modo de bisagra, y presentando dicha tapa abatible (11) y dicho cuerpo principal (2) unos medios (13, 14) de encliquetado mutuo.A closure according to any one of claims 1 to 7, characterized in that it comprises a folding cover (11) which in its folded position covers said peripheral seat part (3), said removable part (5) and said tear-off sheet (1), said folding cover (11) being formed in a single piece of plastic material with said main body (2) and being connected to said main body (2) by means of a flexible bridge (12) acting as a hinge, and presenting said flip cover (11) and said main body (2) means (13, 14) for mutual enclosure.
ES200503068A 2005-12-14 2005-12-14 CLOSURE FOR A JAR OF THE TYPE SEALED HERMETICALLY BY A SCRAPABLE SHEET. Active ES2253133B1 (en)

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IT1178376B (en) * 1984-05-16 1987-09-09 Italcaps Spa CAPSULE FOR BOTTLES
US6474490B1 (en) * 2000-11-10 2002-11-05 Label Makers, Inc. Combined container cap and lift tab opener
EP1526083A1 (en) * 2003-10-20 2005-04-27 Abazia S.p.A. Tamper evident container closure
US20050109784A1 (en) * 2003-11-24 2005-05-26 Sonoco Development, Inc. Easy-open container and closure assembly therefor

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