WO2014128322A1 - Caps consisting of a plastic material - Google Patents

Caps consisting of a plastic material Download PDF

Info

Publication number
WO2014128322A1
WO2014128322A1 PCT/ES2014/070083 ES2014070083W WO2014128322A1 WO 2014128322 A1 WO2014128322 A1 WO 2014128322A1 ES 2014070083 W ES2014070083 W ES 2014070083W WO 2014128322 A1 WO2014128322 A1 WO 2014128322A1
Authority
WO
WIPO (PCT)
Prior art keywords
face
cap
band
wall
interference
Prior art date
Application number
PCT/ES2014/070083
Other languages
Spanish (es)
French (fr)
Inventor
Antonio Badia Iniesta
Original Assignee
Bericap, S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bericap, S.A. filed Critical Bericap, S.A.
Priority to RU2015136373A priority Critical patent/RU2015136373A/en
Priority to CN201480009518.XA priority patent/CN105008234B/en
Priority to EP14754236.9A priority patent/EP2960173A4/en
Priority to BR112015019984A priority patent/BR112015019984A2/en
Publication of WO2014128322A1 publication Critical patent/WO2014128322A1/en

Links

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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/127—Snap-on caps
    • B65D47/128—Snap-on caps with internal parts
    • 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
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/16—Snap-on caps or cap-like covers
    • 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
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/043—Closures with discharging devices other than pumps with pouring baffles, e.g. for controlling the flow
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B65D47/103—Membranes with a tearing element
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/14—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means
    • B65D47/147—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for snap-on caps
    • B65D47/148—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for snap-on caps with internal parts

Definitions

  • the present invention refers to a bottle cap of plastic material, of the type that is anchored to the neck of the bottle by means of curling or clipping, also known by the English term "snap-on”.
  • both the projection and the wall have a surface of interference with each other (ie, contact) perpendicular to said axis.
  • this cannot be obtained in the caps obtained by molding, since in order to enable their demoulding, the fixing projection and the inner side wall of the plug must form an angle greater than 90 °. The value at which this angle exceeds 90 ° is called the demoulding angle.
  • This type of plug is susceptible to being violated in two ways, either by achieving a horizontal displacement (that is in the direction of the plane perpendicular to the axis of the plug) or by getting the flexible band to slide between the inner face of the wall of the plug and the wall of the neck until it comes out enough that it does not perform its function (similar to the mechanism of extraction of a sock)
  • the outer interference face replaces the interference face of the projection, but presenting a right or acute angle with respect to the side wall of the plug (or, in other words, with respect to the axis of symmetry of the plug) This eliminates the possibility of the plug violation taking advantage of the demoulding angle, which makes it necessary for the protruding face of the projection to be greater than the right angle.
  • This innovative system can be used in all types of plugs, even in plugs with tear pre-cut seal integrated into its side wall. However, it has greater advantages in enclosure caps, which lack a pre-cut tear seal integrated into its side wall.
  • One possible way to ensure that the band is flexible is by weakening the thickness in the area where the band is connected to the cap.
  • Figure 4 shows an enlarged detail of the section of Figure 3.
  • Figure 5 schematically shows an elevation view of the example of the cap of Figure 1 shown, placed in a bottle, with the flexible band folded into the cap.
  • Figure 6 shows a cross section of Figure 5.
  • Figure 8 is a section similar to that of Figure 7, in which for clarity, the neck of the bottle has been removed, representing the band in a folded position.
  • Figure 9 is another cross-section according to a plane perpendicular to the sectional plane of the section shown in Figure 6.
  • Figure 1 shows a plug consisting of a plug-spout of the type that is usually used for vegetable oil containers.
  • the cap -1- has an upper cover -2- and a lower part -3- intended to be attached to the bottle neck -100- (see figure 5).
  • the lower part -3- is anchored by means of a clipping system, encliquetado or snap-on, being placed under pressure in the neck -100- of a bottle. Once the plug is placed, the interference caused by a clipping system, or snap-on, prevents the entire plug from being removed.
  • the lower part -3- has a liquid outlet duct formed by the wall 33.
  • the duct is sealed by a tear-off membrane -36- made according to known techniques.
  • the tear seal may be similar to that shown in Spanish Patent Documents ES10002900U or ES2162585.
  • the upper part -2- has a cylindrical fin -23- to seal the duct formed by the wall -33- when the plug is in a closed position, thus preserving the plug tightness.
  • the anchoring system of the cap -1- to the bottle -100- is located in its lower part -3-.
  • the first element of the system consists of a projection -31- located in the inner side wall of the plug -32-.
  • the projection -31- has a first interference face -311-, which forms an obtuse angle with the inner side wall -32- and a second face -312- which forms an acute angle with the interference face -311-.
  • the inner bottom edge of the side wall of the bottom piece -3- has a continuation in the form of a flexible band -4-.
  • the term "flexible band” indicates in the sector that the band can bend towards the inside of the cap, without being an additional indication of other characteristics or areas of the band, which could be, for example, of a rigid nature.
  • That band flexible -4- or "flexband” has a geometry that corresponds to the geometry combined with that of the projection -31- and the inner face -32- of the side wall of the plug.
  • the flexible band -4- has an inner support face -411- that comes into contact with the interference face -311- of the projection -31- when the flexible band bends towards the inside of the plug, and a second inner face -412- conjugated with the shape of the second face -312- of the projection -31-.
  • the flexible band 4 of the example ends in a skirt -42-, which when the flexible band is bent towards the inside of the plug, and the interference face -311- of the projection -31- and the first inner contact face -411 - of the flexible band -4- come into contact, the skirt -42- is parallel to the inner face -32- of the side wall of the plug.
  • the band 4 defines an outer interference face -43-.
  • This face approximately coincides with the area of the corresponding band the inner contact face -411- and its function is to create an interference surface with a wall -101- of the bottle neck -100-.
  • the use of a flexible band -4- that can be folded allows, in a bent position, the interference surface -43- to be perpendicular to the axis of revolution of the plug or, which is the same, to the inner wall -32- of the plug, that makes the interference with the interference surface -103- of the aforementioned interference wall -101- totally perpendicular to an axial extraction movement.
  • the present invention allows said interference wall -101- located in the neck of the bottle -100- to come into contact with the skirt -42- and imprison it against the inner wall -32- of the cap. To favor this effect, it is possible to lower the wall -32- in the reception area of the skirt -42-.
  • the band -4- joins the lower part -3- of the plug -1- through a narrowing -41- of the wall, which allows the flexibility of the band and a certain resistance and rigidity in the rest of the zones of the band -4-.
  • the cap rests on a larger wall -102- of the bottle -100-.
  • This wall -102- also collaborates, additionally, in preventing the violation of the cap by accessing the area between the bottle and the cap.
  • the flexible band -4- can be folded inwards, leaving the cap ready for fixing to a bottle -100- by means of encytting.
  • the type of cap especially its upper part, can be, for example, of any known type. It is also It is possible, in particular, to omit the second inner contact face of the band, whereby the narrowing of the band to the plug can be minimized or completely eliminated, among other examples.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

The invention relates to a plastic cap comprising a fixing projection on the inner face of the side wall thereof, for interfering with a collar of the neck of the bottle, said fixing projection having a surface for interfering with the collar, an interference face that forms an angle larger than the right angle in relation to the side wall of the cap, characterised in that it also comprises, at the end of the side wall of the cap, an inwardly foldable flexible strip that has an inner supporting face corresponding to said interference surface, and an outer interference face forming a right angle or a smaller angle in relation to said wall when said interference surface and said inner supporting face come into contact, the strip comprising a skirt on the free end thereof.

Description

TAPONES DE MATERIAL PLÁSTICO DESCRIPCIÓN  PLASTIC MATERIAL PLUGS DESCRIPTION
La presente invención hace referencia a un tapón para botella de material plástico, del tipo que se ancla al gollete de la botella mediante encliquetado o clipaje, también conocido por el término inglés "snap-on". The present invention refers to a bottle cap of plastic material, of the type that is anchored to the neck of the bottle by means of curling or clipping, also known by the English term "snap-on".
Este tipo de tapones presentan en su cara interior un saliente de fijación que realiza una interferencia con una valona situada en el gollete de la botella. Dicho saliente y dicha valona realizan una interferencia que hace imposible extraer el tapón, que ha sido introducido a presión. Al intentar ser sacado mediante un movimiento en la dirección del eje de simetría del tapón (o eje de revolución de la botella), valona y saliente de fijación interfieren en su movimiento, impidiendo la extracción del tapón . This type of cap has a fixing projection on its inner face that interferes with a wall located on the neck of the bottle. Said projection and said wall make an interference that makes it impossible to remove the plug, which has been introduced under pressure. When trying to be removed by a movement in the direction of the axis of symmetry of the stopper (or axis of revolution of the bottle), wall and fixing projection interfere with its movement, preventing the removal of the stopper.
Idealmente, tanto el saliente como la valona presentan una superficie de interferencia entre sí (es decir, de contacto) perpendicular al citado eje. Sin embargo, esto no puede ser obtenido en los tapones obtenidos por moldeo, puesto que para posibilitar su desmoldeo, el saliente de fijación y la pared lateral interna del tapón han de formar un ángulo superior a los 90°. El valor en el que excede este ángulo a los 90° se denomina ángulo de desmoldeo . Ideally, both the projection and the wall have a surface of interference with each other (ie, contact) perpendicular to said axis. However, this cannot be obtained in the caps obtained by molding, since in order to enable their demoulding, the fixing projection and the inner side wall of the plug must form an angle greater than 90 °. The value at which this angle exceeds 90 ° is called the demoulding angle.
Como consecuencia de lo anterior, es posible forzar la extracción del tapón mediante la combinación del movimiento de extracción con una fuerza excéntrica que realice una palanca. Dicha fuerza de palanca es más fácil de realizar exitosamente según aumenta la altura del tapón. Este efecto es indeseable, porque permitiría la apertura de las botellas cerradas sin rotura del precinto del tapón, lo que puede llevar, por ejemplo, a fraudes alimentarios . As a consequence of the above, it is possible to force the removal of the cap by combining the extraction movement with an eccentric force that a lever performs. Said lever force is easier to perform successfully as the height of the plug. This effect is undesirable, because it would allow the closed bottles to be opened without breaking the cap seal, which can lead, for example, to food fraud.
También resultan conocidos tapones de fijación mediante rosca que presentan un precinto que es roto en el momento del primer desenroscamiento del tapón, quedando el precinto atrapado por una valona del gollete de la botella. Habitualmente, el precinto queda fijado por una banda flexible (también denominada en inglés "flexband") situado en el extremo final del tapón que es susceptible de doblarse hacia el interior y que interfiere en su salida con la valona del gollete. La banda puede ser continua, constituyendo un anillo, o intermitente, constituyéndose como una pluralidad de trozos de banda en disposición circunferencial. Este tipo de tapones es susceptible de ser violado de dos maneras, bien consiguiendo un desplazamiento horizontal (es decir en la dirección del plano perpendicular al eje del tapón) o bien consiguiendo que la banda flexible deslice entre la cara interior de la pared del tapón y la pared del gollete hasta salir lo suficiente como para que no realice su función (similar al mecanismo de extracción de un calcetín) Also known are screw fasteners that have a seal that is broken at the time of the first unscrewing of the cap, the seal being trapped by a wall of the neck of the bottle. Usually, the seal is fixed by a flexible band (also called "flexband" in English) located at the end of the cap that is likely to bend inwards and interferes with the gutter wall. The band can be continuous, constituting a ring, or intermittent, constituting as a plurality of pieces of band in circumferential arrangement. This type of plug is susceptible to being violated in two ways, either by achieving a horizontal displacement (that is in the direction of the plane perpendicular to the axis of the plug) or by getting the flexible band to slide between the inner face of the wall of the plug and the wall of the neck until it comes out enough that it does not perform its function (similar to the mechanism of extraction of a sock)
Es un objetivo de la presente invención dar a conocer un tapón con un sistema de fijación por encliquetado ("snap-on") que no presente los problemas de violabilidad de los tapones conocidos. It is an objective of the present invention to disclose a plug with a snap-on fastener system that does not present the problems of violability of the known plugs.
En particular, la presente invención consiste en un tapón de material plástico, del tipo que comprende un saliente para fijación por encliquetado en la cara interior de su pared lateral, presentando dicho saliente de fijación una superficie de interferencia con la valona formando dicha superficie un ángulo superior al ángulo recto con respecto a la pared lateral del tapón. El tapón comprende, además, situada al final de la pared lateral del tapón una banda flexible susceptible de ser doblada hacia el interior, presentando dicha banda una cara interior de apoyo que se corresponde con la citada superficie de interferencia, y una cara exterior de interferencia que forma un ángulo igual o inferior a 90° con respecto a la citada pared cuando la citada superficie de interferencia y la citada cara interior de apoyo entran en contacto, presentando la banda en su extremo libre un faldón de finalización que se dispone de manera paralela a la citada pared cuando la citada superficie de interferencia y la citada cara interior de apoyo entran en contacto. In particular, the present invention consists of a plug of plastic material, of the type comprising a projection for fixing by encliquetado on the inner face of its side wall, said fixing projection having a interference surface with the wall forming said surface an angle greater than the right angle with respect to the side wall of the plug. The plug further comprises, at the end of the side wall of the plug, a flexible band that can be folded inwardly, said band having an inner support face corresponding to said interference surface, and an outer interference face which forms an angle equal to or less than 90 ° with respect to said wall when said interference surface and said inner support face come into contact, the band at its free end presenting a termination skirt which is arranged in parallel to said wall when said interference surface and said inner support face come into contact.
Esta disposición permite la solución de todos los problemas citados. A saber: This provision allows the solution of all the problems mentioned. Namely:
- Al ser doblada la banda, la cara exterior de interferencia sustituye a la cara de interferencia del saliente, pero presentando un ángulo recto o agudo con respecto a la pared lateral del tapón (o, dicho de otra manera, con respecto al eje de simetría del tapón) Esto elimina la posibilidad de la violación de tapón aprovechando el ángulo de desmoldeo, que hace necesario que la cara de interferencia del saliente sea superior al ángulo recto. - When the band is bent, the outer interference face replaces the interference face of the projection, but presenting a right or acute angle with respect to the side wall of the plug (or, in other words, with respect to the axis of symmetry of the plug) This eliminates the possibility of the plug violation taking advantage of the demoulding angle, which makes it necessary for the protruding face of the projection to be greater than the right angle.
- La combinación de la interferencia producida entre la cara de interferencia del saliente y la cara interior de contacto de la banda (según un ángulo oblicuo con respecto al eje del tapón) , así como la interacción del citado faldón con la pared del tapón y la valona de la botella, impiden la violación del tapón mediante los mecanismos habituales en los sistemas de banda flexible. Para ello, preferentemente, la valona del gollete de la botella (preferentemente la misma valona que realiza la interferencia) aprieta el faldón contra la pared lateral interior del tapón. A tal fin, preferentemente el faldón de la banda tendrá una geometría tal que entre en contacto con la pared interior del tapón cuando la citada superficie de interferencia y la citada cara interior de apoyo entran a su vez en contacto. - The combination of the interference produced between the interference face of the projection and the inner contact face of the band (according to an oblique angle with respect to the axis of the plug), as well as the interaction of said skirt with the wall of the plug and the Walloon of the bottle, prevent the violation of the cap through the mechanisms common in flexible band systems. To do this, preferably, the wall of the bottle neck (preferably the same wall that makes the interference) presses the skirt against the inner side wall of the cap. To this end, preferably the skirt of the band will have a geometry such that it comes into contact with the inner wall of the cap when said interference surface and said inner support face in turn come into contact.
Este innovativo sistema puede ser utilizado en todo tipo de tapones, incluso en tapones con precinto precortado desgarrable integrado en su pared lateral. Sin embargo, presenta mayores ventajas en tapones de encliquetado, que carecen de precinto precortado desgarrable integrado en su pared lateral. This innovative system can be used in all types of plugs, even in plugs with tear pre-cut seal integrated into its side wall. However, it has greater advantages in enclosure caps, which lack a pre-cut tear seal integrated into its side wall.
En una realización preferente, el saliente presenta una segunda cara en ángulo inferior a 180° con la superficie de interferencia, y la banda presenta una segunda cara interior de contacto que se corresponde y entra en contacto con la segunda cara del saliente cuando la banda es doblada hacia el interior del tapón. In a preferred embodiment, the projection has a second face at an angle of less than 180 ° with the interference surface, and the band has a second inner contact face that corresponds and comes into contact with the second face of the projection when the band is folded into the cap.
Una posible manera de conseguir que la banda sea flexible es mediante una debilitación del espesor en la zona de unión de la banda con el tapón. One possible way to ensure that the band is flexible is by weakening the thickness in the area where the band is connected to the cap.
Para su mejor comprensión se adjuntan, a título de ejemplo explicativo pero no limitativo, unos dibujos de un ejemplo de realización de un tapón de material plástico, objeto de la presente invención. For better understanding, there are attached, by way of explanatory but not limiting example, drawings of an example of embodiment of a plug of plastic material, object of the present invention.
La figura 1 muestra una vista en alzado de un ejemplo de tapón según la presente invención. La figura 2 muestra una vista en planta superior del tapón de la figura 1. Figure 1 shows an elevation view of an example of a plug according to the present invention. Figure 2 shows a top plan view of the cap of Figure 1.
La figura 3 muestra una sección transversal del tapón de la figura 1. Figure 3 shows a cross section of the cap of Figure 1.
La figura 4 muestra un detalle ampliado de la sección de la figura 3. Figure 4 shows an enlarged detail of the section of Figure 3.
La figura 5 muestra esquemáticamente un vista en alzado del ejemplo de tapón de la figura 1 mostrado, colocado en una botella, con la banda flexible doblada hacia el interior del tapón. Figure 5 schematically shows an elevation view of the example of the cap of Figure 1 shown, placed in a bottle, with the flexible band folded into the cap.
La figura 6 muestra un sección transversal de la figura 5. Figure 6 shows a cross section of Figure 5.
La figura 7 corresponde con un detalle ampliado de la sección de la figura 6. Figure 7 corresponds to an enlarged detail of the section of Figure 6.
La figura 8 es una sección similar a la de la figura 7, en la que para mayor claridad, se ha eliminado el gollete de la botella, representando la banda en posición doblada. Figure 8 is a section similar to that of Figure 7, in which for clarity, the neck of the bottle has been removed, representing the band in a folded position.
La figura 9 es otra sección transversal según un plano perpendicular al plano de corte de la sección mostrada en la figura 6. Figure 9 is another cross-section according to a plane perpendicular to the sectional plane of the section shown in Figure 6.
En las figuras se muestra un ejemplo de un tapón según la presente invención. En particular, la figura 1 muestra un tapón consistente en un tapón-vertedor del tipo del que se suele utilizar para envases de aceite vegetal. El tapón -1- presenta una tapa superior -2- y una pieza inferior -3- destinada a anclarse al gollete de la botella -100- (ver figura 5) . La pieza inferior -3- queda anclada mediante un sistema de clipaje, encliquetado o snap-on, siendo colocado a presión en el gollete -100- de una botella. Una vez colocado el tapón, la interferencia provocada por un sistema de clipaje, o snap-on evita la extracción de la totalidad del tapón. An example of a plug according to the present invention is shown in the figures. In particular, Figure 1 shows a plug consisting of a plug-spout of the type that is usually used for vegetable oil containers. The cap -1- has an upper cover -2- and a lower part -3- intended to be attached to the bottle neck -100- (see figure 5). The lower part -3- is anchored by means of a clipping system, encliquetado or snap-on, being placed under pressure in the neck -100- of a bottle. Once the plug is placed, the interference caused by a clipping system, or snap-on, prevents the entire plug from being removed.
En la figura 3 se observa que la pieza inferior -3-, presenta un conducto de salida de liquido formado por la pared 33. El conducto está obturado por una membrana desgarrable -36- realizada según técnicas conocidas. El precinto desgarrable puede ser similar al mostrado en los documentos de Patentes españolas ES10002900U o ES2162585. In Figure 3 it can be seen that the lower part -3- has a liquid outlet duct formed by the wall 33. The duct is sealed by a tear-off membrane -36- made according to known techniques. The tear seal may be similar to that shown in Spanish Patent Documents ES10002900U or ES2162585.
Por su parte, como se observa en la figura 3, la pieza superior -2- presenta una aleta cilindrica -23- para obturar el conducto formado por la pared -33- cuando el tapón se encuentra en posición cerrada, preservando de esta manera la estanqueidad del tapón. For its part, as seen in Figure 3, the upper part -2- has a cylindrical fin -23- to seal the duct formed by the wall -33- when the plug is in a closed position, thus preserving the plug tightness.
El sistema de anclaje del tapón -1- a la botella -100- se sitúa en su pieza inferior -3-. El primer elemento del sistema consiste en un saliente -31- situado en la pared lateral interior del tapón -32-. Según se representa en la figura 4, el saliente -31- presenta una primera cara de interferencia -311-, que forma un ángulo obtuso con la pared lateral interior -32- y una segunda cara -312- que forma un ángulo agudo con la cara de interferencia -311- . The anchoring system of the cap -1- to the bottle -100- is located in its lower part -3-. The first element of the system consists of a projection -31- located in the inner side wall of the plug -32-. As shown in Figure 4, the projection -31- has a first interference face -311-, which forms an obtuse angle with the inner side wall -32- and a second face -312- which forms an acute angle with the interference face -311-.
La arista inferior interior de la pared lateral de la pieza inferior -3- presenta una continuación en forma de banda flexible -4-. La denominación "banda flexible" indica en el sector que la banda puede doblarse hacia el interior del tapón, sin ser una indicación adicional sobre otras características o zonas de la banda, que podrían ser, por ejemplo, de naturaleza rígida. Dicha banda flexible -4- o "flexband" presenta una geometría que corresponde con la geometría conjugada con la del saliente -31- y de la cara interior -32- de la pared lateral del tapón. En particular, en el ejemplo mostrado, la banda flexible -4- presenta una cara interior de apoyo -411- que entra en contacto con la cara de interferencia -311- del saliente -31- cuando la banda flexible se dobla hacia el interior del tapón, y una segunda cara interior -412- conjugada con la forma de la segunda cara -312- del saliente -31-. Asimismo la banda flexible 4 del ejemplo acaba en un faldón -42-, que cuando la banda flexible es doblada hacia el interior del tapón, y la cara de interferencia -311- del saliente -31- y la primera cara interior de contacto -411- de la banda flexible -4- entran en contacto, el faldón -42- queda paralelo a la cara interior -32- de la pared lateral del tapón. The inner bottom edge of the side wall of the bottom piece -3- has a continuation in the form of a flexible band -4-. The term "flexible band" indicates in the sector that the band can bend towards the inside of the cap, without being an additional indication of other characteristics or areas of the band, which could be, for example, of a rigid nature. That band flexible -4- or "flexband" has a geometry that corresponds to the geometry combined with that of the projection -31- and the inner face -32- of the side wall of the plug. In particular, in the example shown, the flexible band -4- has an inner support face -411- that comes into contact with the interference face -311- of the projection -31- when the flexible band bends towards the inside of the plug, and a second inner face -412- conjugated with the shape of the second face -312- of the projection -31-. Also the flexible band 4 of the example ends in a skirt -42-, which when the flexible band is bent towards the inside of the plug, and the interference face -311- of the projection -31- and the first inner contact face -411 - of the flexible band -4- come into contact, the skirt -42- is parallel to the inner face -32- of the side wall of the plug.
Según se representa en la figura 7, en su cara exterior, la banda 4 define una cara exterior de interferencia -43-. Esta cara viene a coincidir aproximadamente con la zona de la banda correspondiente la cara interior de contacto -411- y su función es crear una superficie de interferencia con una valona -101- del gollete de la botella -100-. La utilización de una banda flexible -4- que puede doblarse permite que, en posición doblada, la superficie de interferencia -43- resulte perpendicular al eje de revolución del tapón o, lo que es lo mismo, a la pared interior -32- del tapón, eso hace que la interferencia con la superficie de interferencia -103- de la citada valona de interferencia -101- sea totalmente perpendicular a un movimiento axial de extracción. Incluso sería posible que la cara exterior de interferencia -43- de la banda -4- formase con la pared -32- un ángulo inferior al ángulo recto, cuando entran en contacto la cara de interferencia -311- del saliente -31- y la cara interior de contacto -411- de la banda. As shown in Figure 7, on its outer face, the band 4 defines an outer interference face -43-. This face approximately coincides with the area of the corresponding band the inner contact face -411- and its function is to create an interference surface with a wall -101- of the bottle neck -100-. The use of a flexible band -4- that can be folded allows, in a bent position, the interference surface -43- to be perpendicular to the axis of revolution of the plug or, which is the same, to the inner wall -32- of the plug, that makes the interference with the interference surface -103- of the aforementioned interference wall -101- totally perpendicular to an axial extraction movement. It would even be possible that the outer interference face -43- of the band -4- formed with the wall -32- an angle less than the right angle, when the interference face -311- of the projection -31- and the inner contact face -411- of the band.
Asimismo, y como se puede observar en el ejemplo, la presente invención permite que la citada valona de interferencia -101- situada en el gollete de la botella -100- entre en contacto con el faldón -42- y lo aprisione contra la pared interior -32- del tapón. Para favorecer este efecto, es posible rebajar la pared -32- en la zona de recepción del faldón -42-. Also, and as can be seen in the example, the present invention allows said interference wall -101- located in the neck of the bottle -100- to come into contact with the skirt -42- and imprison it against the inner wall -32- of the cap. To favor this effect, it is possible to lower the wall -32- in the reception area of the skirt -42-.
Como se puede observar en la figura 4, la banda -4- se une a la pieza inferior -3- del tapón -1- a través de un estrechamiento -41- de la pared, lo que permite la flexibilidad de la banda y una determinada resistencia y rigidez en el resto de zonas de la banda -4-. As can be seen in Figure 4, the band -4- joins the lower part -3- of the plug -1- through a narrowing -41- of the wall, which allows the flexibility of the band and a certain resistance and rigidity in the rest of the zones of the band -4-.
Como se observa en la figura 6, en el ejemplo mostrado, el tapón descansa sobre una valona mayor -102- de la botella -100-. Esta valona -102- también colabora, adicionalmente, en impedir la violación del tapón mediante acceso a la zona entre la botella y el tapón. As shown in Figure 6, in the example shown, the cap rests on a larger wall -102- of the bottle -100-. This wall -102- also collaborates, additionally, in preventing the violation of the cap by accessing the area between the bottle and the cap.
Durante el proceso de fabricación del tapón, por ejemplo, mediante inyección, como por cualquier otra técnica como, por ejemplo, compresión, puede procederse al desmoldeo sin problemas, puesto que se pueden respetar los ángulos de desmoldeo estándar. Una vez desmoldeado el tapón, se puede doblar la banda flexible -4- hacia el interior, quedando el tapón listo para su fijación a una botella -100- mediante encliquetado . During the manufacturing process of the cap, for example, by injection, as by any other technique such as compression, it is possible to proceed to the demoulding without problems, since the standard demolding angles can be respected. Once the cap has been demoulded, the flexible band -4- can be folded inwards, leaving the cap ready for fixing to a bottle -100- by means of encytting.
Existen numerosas variantes posibles al ejemplo mostrado. El tipo de tapón, en especial su parte superior puede ser, por ejemplo, de cualquier tipo conocido. También es posible, en particular, omitir la segunda cara interior de contacto de la banda, con lo que el estrechamiento de unión de la banda al tapón puede ser minimizado o completamente eliminado, entre otros ejemplos. There are numerous possible variants to the example shown. The type of cap, especially its upper part, can be, for example, of any known type. It is also It is possible, in particular, to omit the second inner contact face of the band, whereby the narrowing of the band to the plug can be minimized or completely eliminated, among other examples.
Si bien la invención se ha descrito con respecto a ejemplos de realizaciones preferentes, éstos no se deben considerar limitativos de la invención, que se definirá por la interpretación más amplia de las siguientes reivindicaciones . While the invention has been described with respect to examples of preferred embodiments, these should not be construed as limiting the invention, which will be defined by the broader interpretation of the following claims.

Claims

REIVINDICACIONES
1. Tapón de material plástico, del tipo que comprende un saliente para fijación por encliquetado en la cara interior de su pared lateral, presentando dicho saliente de fijación una superficie para interferencia que forma un ángulo superior a 90° con respecto a la pared lateral del tapón, caracterizado porque comprende, además, una banda flexible situada al final de la pared lateral del tapón susceptible de ser doblada hacia el interior, presentando dicha banda una cara interior de apoyo conjugada con la citada superficie de interferencia y una cara exterior de interferencia que forma un ángulo igual o inferior a 90° con respecto a la citada pared cuando la citada superficie de interferencia y la citada cara interior de apoyo entran en contacto, presentando la banda en su extremo libre un faldón de finalización paralelo a la citada pared cuando la citada superficie de interferencia y la citada cara interior de apoyo entran en contacto. 1. Plastic material stopper, of the type comprising a projection for fixing by enclosure on the inner face of its side wall, said fixing projection having an interference surface that forms an angle greater than 90 ° with respect to the side wall of the cap, characterized in that it further comprises a flexible band located at the end of the side wall of the cap that can be folded inwardly, said band having an inner support face conjugated with said interference surface and an outer interference face that it forms an angle equal to or less than 90 ° with respect to said wall when said interference surface and said inner support face come into contact, the band at its free end presenting a termination skirt parallel to said wall when the said interference surface and said inner support face come into contact.
2. Tapón, según la reivindicación 2, caracterizado porque el faldón de la banda entra en contacto con la pared interior del tapón cuando la citada superficie de interferencia y la citada cara interior de apoyo entran en contacto . 2. Cap according to claim 2, characterized in that the skirt of the band comes into contact with the inner wall of the cap when said interference surface and said inner support face come into contact.
3. Tapón, según la reivindicación 1 o 2, caracterizado porque el saliente de fijación de la cara interior de su pared lateral presenta una segunda cara que forma un ángulo con la superficie de interferencia, y la banda presenta una segunda cara interior de contacto, conjugada con la segunda cara del saliente, con la que entra en contacto cuando la banda es doblada hacia el interior del tapón . 3. Cap according to claim 1 or 2, characterized in that the fixing projection of the inner face of its side wall has a second face that forms an angle with the interference surface, and the band has a second inner contact face, conjugated with the second face of the projection, with which it comes into contact when the band is folded into the plug.
4. Tapón, según cualquiera de las reivindicaciones 1 a 3, caracterizado porque la banda presenta un debilitamiento de su espesor en la zona de unión con el tapón para permitir que pueda ser doblada hacia el interior del tapón . 4. Cap according to any of claims 1 to 3, characterized in that the band has a weakening of its thickness in the area of connection with the cap to allow it to be folded into the cap.
5. Tapón, según cualquiera de las reivindicaciones 1 a 4, caracterizado porque carece de precinto precortado desgarrable integrado en su pared lateral. 5. Cap according to any of claims 1 to 4, characterized in that it lacks a pre-cut pre-cut seal integrated in its side wall.
PCT/ES2014/070083 2013-02-21 2014-02-05 Caps consisting of a plastic material WO2014128322A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
RU2015136373A RU2015136373A (en) 2013-02-21 2014-02-05 PLASTIC COVERS
CN201480009518.XA CN105008234B (en) 2013-02-21 2014-02-05 The lid being made up of plastic material
EP14754236.9A EP2960173A4 (en) 2013-02-21 2014-02-05 Caps consisting of a plastic material
BR112015019984A BR112015019984A2 (en) 2013-02-21 2014-02-05 plastic cover

Applications Claiming Priority (2)

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ESP201330241 2013-02-21
ES201330241A ES2421212B1 (en) 2013-02-21 2013-02-21 Plastic plugs

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ES2605496B2 (en) * 2015-08-11 2017-09-06 Bericap Holding Gmbh CLOSING CAP FOR LIQUID PACKS, WITH SETTING OF THE FLOW RATE
GB2553127A (en) * 2016-08-24 2018-02-28 Cypherco Ltd Multi-fit cap
DE102016217755A1 (en) * 2016-09-16 2018-03-22 Henkel Ag & Co. Kgaa Bottle with dosing cap and dosing cap with flexible side wall
DK3366603T3 (en) * 2017-02-22 2020-02-24 Petrolia Ab Pouring spout for a container, container assembly and method for making a pouring spout
GB2561542B (en) * 2017-03-17 2019-03-20 Rabmed As Ampoule closure
CN109795785A (en) * 2019-01-30 2019-05-24 镇江恒达包装股份有限公司 A kind of durable high sealing performance bottle cap
CN110668003A (en) * 2019-09-11 2020-01-10 百利盖(昆山)有限公司 Safe and reliable's combination bottle lid and container
CN110589223B (en) * 2019-10-21 2024-06-04 安徽汉旺塑业有限公司 Anti-pulling oil removing cover for oil drum bottle mouth

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ES1000900U (en) 1986-11-19 1988-04-01 Borden Espana, S.A. Wrapping machine trays or plastic film products through (Machine-translation by Google Translate, not legally binding)
ES2162585A1 (en) 1997-11-06 2001-12-16 Bericap Sa Pouring stopper for heavy liquids
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EP2960173A4 (en) 2016-09-21
CN105008234A (en) 2015-10-28
ES2421212A1 (en) 2013-08-29
EP2960173A1 (en) 2015-12-30
CN105008234B (en) 2016-11-30
ES2421212B1 (en) 2014-04-28
BR112015019984A2 (en) 2017-07-18
RU2015136373A (en) 2017-03-27

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