WO2018083366A1 - Capsule, system and method for preparing a drink - Google Patents

Capsule, system and method for preparing a drink Download PDF

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Publication number
WO2018083366A1
WO2018083366A1 PCT/ES2017/070735 ES2017070735W WO2018083366A1 WO 2018083366 A1 WO2018083366 A1 WO 2018083366A1 ES 2017070735 W ES2017070735 W ES 2017070735W WO 2018083366 A1 WO2018083366 A1 WO 2018083366A1
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WO
WIPO (PCT)
Prior art keywords
capsule
base
sheet
cup
housing
Prior art date
Application number
PCT/ES2017/070735
Other languages
Spanish (es)
French (fr)
Inventor
Segundo PATIÑO PATIÑO
Original Assignee
Patino Patino Segundo
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=60812086&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2018083366(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Patino Patino Segundo filed Critical Patino Patino Segundo
Priority to EP17821668.5A priority Critical patent/EP3536636B1/en
Priority to ES17821668T priority patent/ES2797202T3/en
Priority to MX2019004829A priority patent/MX2019004829A/en
Publication of WO2018083366A1 publication Critical patent/WO2018083366A1/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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents

Definitions

  • the invention relates to a single dose capsule for the preparation of an infused or percolated beverage, such as coffee or tea; or soluble, such as chocolate or milk, in a machine for the preparation of the beverage.
  • the invention also relates to a system and a method for preparing a beverage by means of the capsule.
  • capsules are known for the preparation of a beverage provided with tearing means which are configured to, after injecting through a self-service machine a pressurized fluid, such as hot water, into the capsule through its upper part, tear the lower part of the capsule upon reaching the inside of the capsule a predetermined pressure level.
  • a pressurized fluid such as hot water
  • a capsule of this type which comprises a cup-shaped body constituted by a watertight material that stores a dose of a product for the preparation of the beverage, in which a superior mouthpiece is distinguished, closed by a first watertight sheet welded to said body and prepared to be traversed by an injector element of a pressurized fluid intended to dissolve or infuse the dose of product for the preparation of the beverage, and a lower opening arranged at its base, provided for the departure of the prepared beverage.
  • This capsule also comprises a second sealed sheet welded internally to the body, which separates the upper mouth and the lower mouth, leaving the dose of product stored in the body between the first and second sheet.
  • the capsule is also provided with means for tearing the second sheet, arranged integral to the base of the body under said second sheet. In this way, the high pressure of the fluid in the capsule causes a thrust on said second sheet that travels by elasticity until it comes into contact with the tearing means, at which time the breakage of said second sheet occurs, allowing said Drink flow out.
  • patent documents EP1472156 and EP1808382 also describe a capsule of this type, which comprises a closed chamber containing a dose of product and tearing opening means that allow the capsule to be opened at the time of use. and that allow said drink to flow out. The opening is achieved by the relative coupling of the opening means with a retaining sheet of the closed chamber. Similarly, said relative coupling is carried out under the effect of raising the fluid pressure in the chamber.
  • these capsules have the disadvantage that they require the fluid to be injected under pressure, delaying the preparation of the beverage until the predetermined pressure level is achieved inside the capsule.
  • Another drawback they present is that the capsule walls have to be sized to withstand the internal pressure, so it is necessary to use materials sufficiently rigid and thick enough, which increases the final cost of the capsule.
  • the capsule for the preparation of a beverage in a machine of the present invention is one comprising a body of a single piece of watertight material comprising a cup and a base, the cup being adapted to store at least one dose of a product for the preparation of the beverage and provided with an upper mouth, closed by a first sealed sheet, glued or welded to the cup and prepared to be traversed by an injector element of a fluid for the preparation of the beverage, and the base being provided with a lower mouthpiece, provided for the exit of the prepared beverage; the capsule being provided in addition to a second watertight sheet glued or welded internally to the cup, above the base, and separating the upper mouth and the lower mouth, leaving the dose of product stored between the first and second sheets; and the base being provided with means for tearing the second sheet.
  • the watertight materials must be interpreted as impervious to liquids, that is, the liquids cannot pass through it, specifically the water or liquid that is introduced into the capsule and the prepared beverage.
  • the capsule is characterized in that the cup and the base are joined by a flexible portion, said flexible portion being able to bend by pushing the base in the direction of the second sheet, keeping the cup held, allowing the movement of the means from tearing to tearing or breaking the second sheet.
  • the capsule is characterized in that the cup and the base are joined by a flexible portion, said flexible portion being able to bend by pushing the base in the direction of the second sheet, keeping the cup held, allowing the movement of the means from tearing to tearing or breaking the second sheet.
  • the beverage preparation machine that exerts the necessary pressure on the capsule to open it before injecting water into it, to prevent the capsule from accidentally opening before use
  • the cup and base are expected to be essentially rigid and only the flexible portion that joins them is flexible, it is also contemplated that part of the base or part of the cup or even the entire base or cup is flexible, so that the flexible portion would have no continuity solution.
  • the flexible portion has a thickness less than the thickness of the adjacent ends of the cup and the base that joins, said flexible portion acting as a joint, allowing that when exerting pressure on the base in the direction of the second sheet, it can approach the second sheet and the tearing means break or tear said second sheet.
  • the flexible portion may have combined sections of greater or lesser thickness, for example to achieve double or triple articulation.
  • the entire flexible portion has a thickness less than the thickness of the ends of the cup and the base that joins, since it has been found that a single joint is sufficient to tear the second sheet of the capsule.
  • the flexible portion has a minimum thickness of less than 50 micrometers, allowing its operation as a joint, especially when the flexible portion is made of polypropylene.
  • the flexible portion surrounds the base, enclosing it so that it is sufficient to exert pressure at any point of the base to tear the second sheet.
  • the second sheet is made of aluminum. This second sheet has a thickness greater than 10 micrometers and is adapted to withstand a pressure of up to 10 bar, that is, a pressure of up to 1 megapascal.
  • the base is provided with at least one lower support shoulder, which allows the capsule to be raised when it is introduced into the housing of a machine for the preparation of beverage.
  • the base In order for the pressure to be exerted on each lower projection to be correctly transmitted to the base, it is expected that the base be provided with at least three lower support projections, which determine a plane and allow the capsule to remain stable in the housing. So that the force exerted on each projection inferior to the base is correctly transmitted, in a variant of interest, three inferior support projections determine the vertices of an equilateral triangle.
  • the base is provided with at least six lower support projections that form the vertices of a hexagon, or seen another way, these six lower support projections that form the vertices of a hexagon also form the vertices of two triangles. equilateral, optimally distributing the force that will be exerted on these projections.
  • the tearing means comprise at least one drilling or cutting projection of the second sheet
  • these tearing means may be formed, for example made of plastic material by means of a mold, as part of the base, for example to be molded together with the capsule body, or they could be glued or welded later on the base, for example if the base is flexible and the tearing means, such as projections, are added after the body molding.
  • At least one drilling or cutting projection is aligned with a lower supporting projection, so that by exerting force on each lower supporting projection that is aligned with a drilling or cutting projection, the displacement that each one of these lower projections due to the force exerted will be transmitted directly to the drilling or cutting projection that is aligned. In this way, the displacement to the drilling or cutting projections is transmitted more efficiently, even if the capsule is decompensated, for example, if lower projections have been broken or these are partly defective and the second one would be broken or cut. sheet although not all the base could move.
  • the cup comprises an inner wall that surrounds and encloses the product dose, said inner wall being closed superiorly by a third permeable sheet, such as filter paper, thus allowing the preparation of beverages that require infusion or percolation without turbulence, such as coffee or tea.
  • a third permeable sheet such as filter paper
  • the capsule is devoid of inner wall and the third sheet is attached directly to the walls of the cup, or to a flange of said wall, leaving the dose of the product that requires infusion or percolation without turbulence, such as coffee or tea , between the second sheet and the third sheet, even when the capsule is not provided with an intermediate wall.
  • a system for preparing a beverage comprising a capsule and a machine for preparing a beverage by means of said capsule, the machine being provided with a housing for housing and retaining the capsule so that the capsule protrudes superiorly from said housing, and the machine also being provided with press means to close the housing superiorly and press the capsule against the bottom of said housing, so that the base of the capsule undergoes a thrust in the direction of the second sheet of the capsule allowing displacement of its tearing means, when the flexible portion of the capsule is folded, until the second sheet is torn or broken.
  • a method for preparing a beverage is also disclosed by means of this system comprising the steps of housing and retaining the capsule in a machine housing, so that the capsule protrudes superiorly from said housing, and superiorly closing the housing by means Press the machine, pressing the capsule that protrudes superiorly from the housing against the bottom of the housing, so that the base of the capsule undergoes a thrust in the direction of the second sheet of the capsule allowing the displacement of its tearing means, to the bend the flexible portion of the capsule until the second sheet is torn or broken.
  • Fig. 1 shows a front view of the body of the capsule object of the invention
  • Fig. 2 shows a bottom perspective view of the capsule body
  • Fig. 3 presents a top perspective view of the capsule body
  • Fig. 4 shows a top view of the capsule body
  • Fig. 5a presents a view of the capsule object of the invention invention
  • Fig. 5b shows a detail of the capsule of Fig. 5a
  • Figs. 6a and 6b present a sequence of placing the capsule of the present invention in a beverage preparation machine, before tearing the second sheet of the capsule; and Fig. 6c shows a further step in which the second sheet of the capsule is torn before preparing the beverage;
  • Fig. 7a presents a sectional view of the capsule and the machine in the sequence of Fig. 6b;
  • Fig. 7b shows a detail of Fig. 7a
  • Fig. 8a presents a sectional view of the capsule and the machine in the sequence of Fig. 6c;
  • Fig. 8b shows a detail of Fig. 8a; Y
  • Figs. 9 to 1 1 present another variant embodiment of the capsule.
  • Figs. 1, 2, 3 and 4 have different views of the body 2 that will be part of the capsule 1 object of the present invention.
  • the body 2 is formed by a single piece of sealed plastic material and comprises a cup 3 and a base 4 joined by a flexible portion 11.
  • This flexible portion 11 will allow the base 4 to be brought closer to the cup 3 , even if it is very lightly, when pressing base 4 against cup 3, as will be more detailed ahead.
  • this flexible portion 1 1 has a thickness less than the thickness of the ends of the cup 3 and the base 4 that joins, allowing the flexible portion 11 to act as a joint.
  • the cup 3 of the body 2 has truncated conical walls, the base 4 of the body 2 having a substantially concave shape.
  • the cup 3 is provided with an upper opening 6, which will be closed by a first sealed sheet 7 that will be glued or welded to the cup 3 and will be prepared to be pierced by a fluid injector element, such as water , for the preparation of the drink.
  • the base 4 is in turn provided with a lower mouth 8, intended for the exit of the prepared beverage and provided with a spout 15.
  • the cup 3 has a second sealed sheet 9 glued or welded internally to said cup 3, above the base 4, and that it will separate the upper mouth 6 and the lower mouth 8, so that the product dose 5 which will be contained in the capsule 1 is stored between the first sheet 7 and the second sheet 9.
  • the base 4 is provided with tearing means 10, by way of projections 12, of this the second sheet 9 which, as will be seen later, will allow the second sheet 9 to be torn or broken by bringing the base 4 closer to the cup 3.
  • the cup 3 of the body 2 also has an inner wall 13 that will surround and enclose the dose of product, said inner wall 13 being provided to be closed superiorly by a permeable third sheet 14.
  • Fig. 5a presents a sectional view of the capsule 1 of the present invention, closed and ready for use in a beverage preparation machine, such as one of the known single-dose or self-service machines, as will be illustrated. later.
  • the capsule 1 comprises the body 2 described above, as well as a first sealed sheet 7 glued or welded to the cup 3, for example, by means of a glue, which closes the upper mouth 6 of the cup 3, the first sheet 7 being prepared for be crossed by an injector element of a fluid for the preparation of the beverage.
  • the capsule 1 is also provided with a second sealed sheet 9 glued or welded internally to the cup 2, for example, by means of a glue, above the base 4, and which separates the upper mouth 6 and the lower mouth 8, with the dose 5 of product stored between the first sheet 7 and the second sheet 9, and housed on the second sheet 9.
  • the tearing means 10 of the second sheet 9 can also be observed are arranged in the base 4 so that the second sheet 9 can be broken or torn by bringing the base 4 closer to the cup 3.
  • the cup 3 and the base 4 of the body 2 are joined by a flexible portion 11, said flexible portion 1 being susceptible to bending when pushing the base 4 in the direction of the second sheet 9, for example when pressing the cup 3 against the base 4, allowing the displacement of the tearing means 10 to tear or break the second sheet 9, obtaining the opening d e the capsule 1 mechanically and thus preventing a subsequent injection of liquid inside the capsule 1 to increase the pressure inside the capsule 1, thus avoiding having to conform the body 2 of a material sufficiently resistant to avoid its explosion.
  • the body 2 can be manufactured from weaker and cheaper materials or with thicknesses smaller than the known capsule bodies that must withstand high pressures inside.
  • the cup 3 has an inner wall 13 that surrounds and encloses the dose 5 of the product, said inner wall 13 being closed superiorly by a permeable third sheet 14, such as a filter paper.
  • a permeable third sheet 14 such as a filter paper.
  • Fig. 5b shows a detail of the capsule 1 of Fig. 5a, in this detail you can see the flexible portion 1 1 that joins the cup 3 with the base 4 and allows, when flexing as an articulation, to bring the tearing means 10 until breaking or cutting the second sheet 9.
  • the flexible portion 11 that joins the ends of the cup 3 and the base is less than the thickness of the ends of cup 3 and base 4, thus allowing the flexible portion to act as a joint.
  • the flexible portion 11 surrounds the base 4 by joining all around the base 4 with the cup 3.
  • the base 4 and the cup 3 can also be joined by some rigid point, which do not prevent the capsule 1 from opening when pressing the base 4 against the cup.
  • the flexible section 1 1 has a smaller minimum thickness at 50 micrometers and form a crown or ring between cup 3 and base 4.
  • this second sheet 9 is made of aluminum and has a thickness greater than 10 micrometers that allows to withstand a pressure of up to 1 megapascal.
  • Figs. 6a, 6b and 6c present the steps to prepare a beverage by means of a system 100 formed by a capsule 1 and a machine 101 to prepare the beverage from the dose 5 of product stored in the capsule 1.
  • the procedure to prepare a beverage by said system 100 to prepare a beverage by comprising the steps of housing and retaining the capsule 1 in a housing 102, as illustrated in Fig. 6a.
  • the body 2 of the capsule 1 is sized so that the capsule protrudes superiorly from the housing 102.
  • Said housing 102 will be adapted to be inserted into the machine 101, as shown in Fig. 6b.
  • the housing 102 After inserting the housing 102 containing the capsule 1 in machine 101, the housing 102 will be closed superiorly by means of press means 103 of the machine 101, for example by operating the user a lever 105 arranged in the machine 101 for this purpose, so that the press means 103 press the capsule 1 against the bottom 104 of the housing 102.
  • the press means 103 will press the cup 3 of the capsule 1, so that the base 4 of the capsule will undergo a thrust in the direction of the second sheet 9 when its flexible portion 1 1 bends, allowing the displacement of the tearing means 10 of the capsule 1 until the second sheet is torn or broken 9.
  • the bottom 104 of the housing 102 is provided with an opening in which the spout 15 of the capsule 1 will be housed for the exit of the prepared beverage .
  • Fig. 7a presents a schematic sectional view of the system 100 in the position illustrated above in Fig. 6b, of which a detailed view of the flexible portion is shown in Fig. 7b.
  • the capsule 1 is inserted in the housing 102, but is sized so that it is not perfectly housed in said housing 102 but that it protrudes superiorly from the housing 102, even if it is very slightly, with the base 4 of the capsule touching bottom 104 of the housing.
  • the capsule 1 will have to protrude from the housing 102 at least the distance that the tearing means 10 have to travel to break or cut the second sheet 9.
  • this and the following schematic views no the dose 5 of product has been represented.
  • Fig. 8a presents a schematic sectional view of the system 100 in the position illustrated above in Fig. 6c, from which a detailed view of the flexible portion is shown in Fig. 8b.
  • the press means 103 of the machine 101 upperly close the housing 102, pressing the cup 3 of the capsule 1 against the bottom 104 of the housing 102, so that the base 4 of the capsule 1 undergoes a thrust in the direction to the second sheet 9 of the capsule allowing, when the flexible portion 11 bends, the displacement of the tearing means 10 from the base 4 until the second sheet 9 is torn or broken, so that the capsule 1 is opened inferiorly and when injected liquid the machine 101 inside the capsule 1, the beverage exits through the lower mouth 8 without the pressure rising inside the capsule 1.
  • the base 4 of the capsule 1 is provided with lower support projections 16, by way of legs.
  • the six projections 16 illustrated in the variant embodiment of Fig. 9 make it possible to ensure that the base 4 of the capsule 1 will be in contact with the bottom 104 of the housing 102 illustrated above and that it will also protrude sufficiently from the housing 102 to be able to tear the second sheet 9 when the press means 103 of the machine 101 are closed superiorly to the housing 102, in a manner similar to that described above.
  • Fig. 10 shows, in a schematic way, a detail of the base 4 of the capsule 1 of Fig. 9 in a bottom view, in which it can be seen that each group of three lower support projections 16 form the vertices of an equilateral triangle, also forming the six lower projections 16 supporting the vertices of a hexagon, allowing efficiently transmitting the displacement exerted on the projections 16 in the direction of the second sheet 9 to the entire base 4.
  • the drilling or cutting projections 12, such as the six projections 12 illustrated above in Fig. 4, are each aligned with a lower shoulder 16, so that the displacement exerted on each shoulder 16 in the direction of the second sheet 9, it is transmitted directly to the projection 12 which is aligned.
  • this alignment could also occur with other tearing means 10 that the capsule 1 may have, other than the projections 12.
  • this alignment between a projection 12 and a projection 16 can be seen in the detail of the section of the capsule 1 shown in Fig. 1 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
  • Packages (AREA)

Abstract

The invention relates to a capsule (1) for the preparation of a drink, and a system (100) and method for preparing a drink using said capsule, wherein the capsule comprises a body (2) formed by a single piece made of a water-tight material, including a cup (3) and a base (4), wherein the cup is provided with an upper opening (6) closed by a first film (7) and wherein the capsule is provided with a second water-tight film (9) which is adhered inside the cup above the base. The base is provided with means (10) for tearing the second film, wherein the cup and the base are joined by a flexible section (11), and wherein said flexible section can be folded by pushing the base in the direction of the second film, permitting the movement of the tearing means until the second film is torn or broken.

Description

D E S C R I P C I O N  D E S C R I P C I O N
"Cápsula, sistema y procedimiento para la preparación de una bebida" Sector técnico de la invención "Capsule, system and procedure for the preparation of a beverage" Technical sector of the invention
La invención se refiere a una cápsula monodosis para la preparación de una bebida infusionada o percolada, tal como café o té; o soluble, tal como chocolate o leche, en una máquina para la preparación de la bebida. La invención también se refiere a un sistema y un procedimiento para la preparación de una bebida mediante la cápsula.  The invention relates to a single dose capsule for the preparation of an infused or percolated beverage, such as coffee or tea; or soluble, such as chocolate or milk, in a machine for the preparation of the beverage. The invention also relates to a system and a method for preparing a beverage by means of the capsule.
Antecedentes de la invención Background of the invention
En la actualidad, existe una gran diversidad de cápsulas monodosis para la preparación de una bebida destinadas a ser utilizadas en máquinas autoservicio u otras máquinas conocidas que preparan la bebida mediante la cápsula.  At present, there is a great diversity of single dose capsules for the preparation of a beverage intended to be used in self-service machines or other known machines that prepare the beverage by means of the capsule.
Más en particular, se conocen cápsulas para la preparación de una bebida provistas de medios de rasgado que están configurados para, tras inyectar a través de una máquina autoservicio un fluido a presión, tal como agua caliente, en el interior de la cápsula a través de su parte superior, rasgar la parte inferior de la cápsula al alcanzar el interior de la cápsula un nivel de presión predeterminado. More particularly, capsules are known for the preparation of a beverage provided with tearing means which are configured to, after injecting through a self-service machine a pressurized fluid, such as hot water, into the capsule through its upper part, tear the lower part of the capsule upon reaching the inside of the capsule a predetermined pressure level.
Por el documento de patente EP2238050, se conoce una cápsula de este tipo que comprende un cuerpo con forma de copa constituido por un material estanco que almacena una dosis de un producto para la preparación de la bebida, en el que se distingue una embocadura superior, cerrada por una primera lámina estanca soldada al citado cuerpo y preparada para ser atravesada por un elemento inyector de un fluido a presión destinado a disolver o infusionar la dosis de producto para la preparación de la bebida, y una embocadura inferior dispuesta en su base, prevista para la salida de la bebida preparada. From patent document EP2238050, a capsule of this type is known which comprises a cup-shaped body constituted by a watertight material that stores a dose of a product for the preparation of the beverage, in which a superior mouthpiece is distinguished, closed by a first watertight sheet welded to said body and prepared to be traversed by an injector element of a pressurized fluid intended to dissolve or infuse the dose of product for the preparation of the beverage, and a lower opening arranged at its base, provided for the departure of the prepared beverage.
Esta cápsula comprende además de una segunda lámina estanca soldada interiormente al cuerpo, que separa la embocadura superior y la embocadura inferior, quedando la dosis de producto almacenada en el cuerpo entre la primera y segunda lámina. La cápsula además está provista de unos medios de rasgado de la segunda lámina, dispuestos solidarios a la base del cuerpo bajo dicha segunda lámina. De este modo, la elevada presión del fluido en la cápsula provoca un empuje sobre dicha segunda lámina que se desplaza por elasticidad hasta entrar en contacto con los medios de rasgado, momento en el que se produce la rotura de dicha segunda lámina, permitiendo que dicha bebida fluya fuera. Por otra parte, los documentos de patente EP1472156 y EP1808382 también describen una cápsula de este tipo, que comprende una cámara cerrada que contiene una dosis de producto y unos medios de abertura por rasgado que permiten que la cápsula sea abierta en el momento de su utilización y que permiten que dicha bebida fluya fuera. La abertura se consigue mediante el acoplamiento relativo de los medios de abertura con una lámina de retención de la cámara cerrada. De manera análoga, dicho acoplamiento relativo se lleva a cabo bajo el efecto de la elevación de la presión del fluido en la cámara. This capsule also comprises a second sealed sheet welded internally to the body, which separates the upper mouth and the lower mouth, leaving the dose of product stored in the body between the first and second sheet. The capsule is also provided with means for tearing the second sheet, arranged integral to the base of the body under said second sheet. In this way, the high pressure of the fluid in the capsule causes a thrust on said second sheet that travels by elasticity until it comes into contact with the tearing means, at which time the breakage of said second sheet occurs, allowing said Drink flow out. On the other hand, patent documents EP1472156 and EP1808382 also describe a capsule of this type, which comprises a closed chamber containing a dose of product and tearing opening means that allow the capsule to be opened at the time of use. and that allow said drink to flow out. The opening is achieved by the relative coupling of the opening means with a retaining sheet of the closed chamber. Similarly, said relative coupling is carried out under the effect of raising the fluid pressure in the chamber.
No obstante, estas cápsulas tienen el inconveniente de que precisan que el fluido se inyecte a presión, demorándose la preparación de la bebida hasta que se consigue alcanzar en el interior de la cápsula el nivel de presión predeterminado. Otro inconveniente que presentan es que las paredes de la cápsula tienen que estar dimensionadas para soportar la presión interior, con lo que es necesario utilizar materiales suficientemente rígidos y con suficiente grosor, lo que encarece el coste final de la cápsula. However, these capsules have the disadvantage that they require the fluid to be injected under pressure, delaying the preparation of the beverage until the predetermined pressure level is achieved inside the capsule. Another drawback they present is that the capsule walls have to be sized to withstand the internal pressure, so it is necessary to use materials sufficiently rigid and thick enough, which increases the final cost of the capsule.
Es por tanto un objeto de la presente invención dar a conocer una cápsula para la preparación de una bebida que permita preparar una bebida de manera eficaz sin que sea necesario dimensionar la cápsula para soportar una presión elevada en su interior, y por consiguiente reducir los costes de producción. It is therefore an object of the present invention to disclose a capsule for the preparation of a beverage that makes it possible to prepare a beverage efficiently without the need to size the capsule to withstand a high pressure inside it, and therefore reduce costs. of production.
Explicación de la invención Explanation of the invention.
La cápsula para la preparación de una bebida en una máquina de la presente invención es de las que comprende un cuerpo de una única pieza de material estanco que comprende una copa y una base, estando la copa adaptada para almacenar al menos una dosis de un producto para la preparación de la bebida y provista de una embocadura superior, cerrada por una primera lámina estanca, pegada o soldada a la copa y preparada para ser atravesada por un elemento inyector de un fluido para la preparación de la bebida, y estando la base provista de una embocadura inferior, prevista para la salida de la bebida preparada; estando la cápsula provista además de una segunda lámina estanca pegada o soldada interiormente a la copa, por encima de la base, y que separa la embocadura superior y la embocadura inferior, quedando la dosis de producto almacenado entre la primera y segunda lámina; y estando la base provista de unos medios de rasgado de la segunda lámina. En el ámbito de la invención, los materiales estancos deben interpretarse como impermeables a líquidos, es decir, que los líquidos no pueden atravesarlo, concretamente el agua o líquido que se introduce en la cápsula y la bebida preparada. The capsule for the preparation of a beverage in a machine of the present invention is one comprising a body of a single piece of watertight material comprising a cup and a base, the cup being adapted to store at least one dose of a product for the preparation of the beverage and provided with an upper mouth, closed by a first sealed sheet, glued or welded to the cup and prepared to be traversed by an injector element of a fluid for the preparation of the beverage, and the base being provided with a lower mouthpiece, provided for the exit of the prepared beverage; the capsule being provided in addition to a second watertight sheet glued or welded internally to the cup, above the base, and separating the upper mouth and the lower mouth, leaving the dose of product stored between the first and second sheets; and the base being provided with means for tearing the second sheet. Within the scope of the invention, the watertight materials must be interpreted as impervious to liquids, that is, the liquids cannot pass through it, specifically the water or liquid that is introduced into the capsule and the prepared beverage.
En esencia, la cápsula se caracteriza por que la copa y la base están unidas por una porción flexible, siendo dicha porción flexible susceptible de doblarse al empujar la base en dirección a la segunda lámina, manteniendo sujeta la copa, permitiendo el desplazamiento de los medios de rasgado hasta rasgar o romper la segunda lámina. Ventajosamente, de esta manera se consigue poder abrir inferiormente la cápsula antes de inyectar agua en el interior de la cápsula, con lo que la bebida puede salir durante la inyección de agua, evitando que el agua inyectada aumente la presión en el interior de la cápsula. Por consiguiente, no es necesario dimensionar la cápsula para soportar presiones elevadas en su interior, permitiendo fabricar el cuerpo de la cápsula en materiales que pueden ser más débiles y económicos o utilizar grosores menores de los materiales plásticos usualmente utilizados para la fabricación de cuerpos de cápsula, consiguiendo un ahorro considerable de material. Naturalmente, aunque se prevé que sea la máquina de preparación de bebida la que ejerza la presión necesaria sobre la cápsula para abrirla antes de inyectar agua en su interior, para evitar que la cápsula pueda abrirse accidentalmente antes de su uso, también se prevé que en otras variantes de realización sea el propio usuario el que pueda realizar la apertura de la cápsula, por ejemplo presionando la cápsula superior e inferiormente con los dedos antes de introducirla en la máquina de preparación de bebidas. Aunque se prevé que la copa y la base sean esencialmente rígidas y solamente sea flexible la porción flexible que las une, también se contempla que parte de la base o parte de la copa o incluso toda la base o la copa sean flexibles, con lo que la porción flexible no tendría solución de continuidad. In essence, the capsule is characterized in that the cup and the base are joined by a flexible portion, said flexible portion being able to bend by pushing the base in the direction of the second sheet, keeping the cup held, allowing the movement of the means from tearing to tearing or breaking the second sheet. Advantageously, in this way it is possible to be able to open the capsule inferiorly before injecting water inside the capsule, whereby the beverage can leave during the water injection, preventing the injected water from increasing the pressure inside the capsule. . Therefore, it is not necessary to size the capsule to withstand high pressures inside it, allowing the capsule body to be manufactured in materials that can be weaker and cheaper or use smaller thicknesses of the plastic materials usually used for the manufacture of capsule bodies. , achieving considerable material savings. Naturally, although it is expected that it is the beverage preparation machine that exerts the necessary pressure on the capsule to open it before injecting water into it, to prevent the capsule from accidentally opening before use, it is also provided that in Other variants of embodiment may be the user himself who can perform the opening of the capsule, for example by pressing the capsule upper and lower with the fingers before introducing it into the preparation machine. drinks. Although the cup and base are expected to be essentially rigid and only the flexible portion that joins them is flexible, it is also contemplated that part of the base or part of the cup or even the entire base or cup is flexible, so that the flexible portion would have no continuity solution.
Se da a conocer también que al menos parte de la porción flexible tiene un grosor menor que el grosor de los extremos adyacentes de la copa y de la base que une, actuando dicha porción flexible a modo de articulación, permitiendo que al ejercer presión en la base en dirección a la segunda lámina, esta pueda aproximarse a la segunda lámina y los medios de rasgado romper o rasgar dicha segunda lámina. Naturalmente, se contempla que la porción flexible pueda tener tramos combinados de mayor o menor grosor, por ejemplo para conseguir una doble o triple articulación. No obstante, se prevé que preferentemente toda la porción flexible tenga un grosor menor que el grosor de los extremos de la copa y de la base que une, ya que se ha comprobado que una única articulación es suficiente para conseguir rasgar la segunda lámina de la cápsula. It is also known that at least part of the flexible portion has a thickness less than the thickness of the adjacent ends of the cup and the base that joins, said flexible portion acting as a joint, allowing that when exerting pressure on the base in the direction of the second sheet, it can approach the second sheet and the tearing means break or tear said second sheet. Naturally, it is contemplated that the flexible portion may have combined sections of greater or lesser thickness, for example to achieve double or triple articulation. However, it is expected that preferably the entire flexible portion has a thickness less than the thickness of the ends of the cup and the base that joins, since it has been found that a single joint is sufficient to tear the second sheet of the capsule.
En una variante de realización, la porción flexible tiene un grosor mínimo menor a 50 micrómetros, permitiendo su funcionamiento a modo de articulación, sobre todo cuando la porción flexible es de polipropileno. In a variant embodiment, the flexible portion has a minimum thickness of less than 50 micrometers, allowing its operation as a joint, especially when the flexible portion is made of polypropylene.
Se da a conocer también que la porción flexible rodea la base, encerrándola de modo que sea suficiente ejercer presión en cualquier punto de la base para conseguir rasgar la segunda lámina. It is also known that the flexible portion surrounds the base, enclosing it so that it is sufficient to exert pressure at any point of the base to tear the second sheet.
Se da a conocer también que la segunda lámina es de aluminio. Esta segunda lámina tiene un grosor superior a 10 micrómetros y está adaptada para soportar una presión de hasta 10 bar, es decir, una presión de hasta 1 megapascal. It is also known that the second sheet is made of aluminum. This second sheet has a thickness greater than 10 micrometers and is adapted to withstand a pressure of up to 10 bar, that is, a pressure of up to 1 megapascal.
En una variante de realización, la base está provista de al menos un resalte inferior de apoyo, que permite que la cápsula quede elevada cuando se introduce en el alojamiento de una máquina para la preparación de bebida. Para que la presión que se ejercerá sobre cada resalte inferior se transmita correctamente a la base, se prevé que la base esté provista de al menos tres resaltes inferiores de apoyo, que determinen un plano y permitan que la cápsula quede estable en el alojamiento. Para que se transmita correctamente la fuerza ejercida sobre cada resalte inferior a la base, en una variante de interés, tres resaltes inferiores de apoyo determinan los vértices de un triángulo equilátero. In a variant embodiment, the base is provided with at least one lower support shoulder, which allows the capsule to be raised when it is introduced into the housing of a machine for the preparation of beverage. In order for the pressure to be exerted on each lower projection to be correctly transmitted to the base, it is expected that the base be provided with at least three lower support projections, which determine a plane and allow the capsule to remain stable in the housing. So that the force exerted on each projection inferior to the base is correctly transmitted, in a variant of interest, three inferior support projections determine the vertices of an equilateral triangle.
Se prevé también que la base esté provista de al menos seis resaltes inferiores de apoyo que forman los vértices de un hexágono, o visto de otra manera, estos seis resaltes inferiores de apoyo que forman los vértices de un hexágono también forman los vértices de dos triángulos equiláteros, repartiendo de manera óptima la fuerza que se ejercerá en dichos resaltes. It is also envisaged that the base is provided with at least six lower support projections that form the vertices of a hexagon, or seen another way, these six lower support projections that form the vertices of a hexagon also form the vertices of two triangles. equilateral, optimally distributing the force that will be exerted on these projections.
Se da a conocer también que los medios de rasgado comprenden al menos un saliente de perforación o corte de la segunda lámina, estos medios de rasgado pueden estar conformados, por ejemplo fabricados en material plástico mediante un molde, como parte de la base, por ejemplo para ser moldeados junto con el cuerpo de la cápsula, o podrían pegarse o soldarse posteriormente en la base, por ejemplo si la base es flexible y los medios de rasgado, tales como salientes se añaden con posterioridad al moldeado del cuerpo. It is also known that the tearing means comprise at least one drilling or cutting projection of the second sheet, these tearing means may be formed, for example made of plastic material by means of a mold, as part of the base, for example to be molded together with the capsule body, or they could be glued or welded later on the base, for example if the base is flexible and the tearing means, such as projections, are added after the body molding.
En una variante de interés al menos un saliente de perforación o corte está alineado con un resalte inferior de apoyo, de modo que al ejercer fuerza sobre cada resalte inferior de apoyo que esté alineado con un saliente de perforación o corte, el desplazamiento que realice cada uno de estos resaltes inferiores por efecto de la fuerza ejercida se transmitirá directamente al saliente de perforación o corte que tiene alineado. De esta manera, se transmite de manera más eficiente el desplazamiento a los salientes de perforación o corte, aunque la cápsula esté descompensada, por ejemplo, si se le han roto resaltes inferiores o estos son en parte defectuosos y se conseguiría romper o cortar la segunda lámina aunque no toda la base pudiera desplazarse. In a variant of interest, at least one drilling or cutting projection is aligned with a lower supporting projection, so that by exerting force on each lower supporting projection that is aligned with a drilling or cutting projection, the displacement that each one of these lower projections due to the force exerted will be transmitted directly to the drilling or cutting projection that is aligned. In this way, the displacement to the drilling or cutting projections is transmitted more efficiently, even if the capsule is decompensated, for example, if lower projections have been broken or these are partly defective and the second one would be broken or cut. sheet although not all the base could move.
Una variante de realización, la copa comprende una pared interior que rodea y encierra la dosis de producto, estando dicha pared interior cerrada superiormente por una tercera lámina permeable, tal como papel de filtro, permitiendo así la preparación de bebidas que precisan infusión o percolación sin turbulencias, tal como café o té. Naturalmente, para la preparación de bebidas en las que la turbulencia que genere la inyección de agua sea indiferente o incluso sea beneficiosa, tales como productos solubles, no será necesario incorporar esta pared interior cerrada superiormente por la tercera lámina, con el consiguiente ahorro en material y simplificación de fabricación. También se prevé que la cápsula esté desprovista de pared interior y la tercera lámina esté pegada directamente en las paredes de la copa, o a un reborde de dicha pared, quedando la dosis del producto que precise infusión o percolación sin turbulencias, tal como café o te, entre la segunda lámina y la tercera lámina, aun cuando la cápsula no esté provista de pared intermedia. A variant embodiment, the cup comprises an inner wall that surrounds and encloses the product dose, said inner wall being closed superiorly by a third permeable sheet, such as filter paper, thus allowing the preparation of beverages that require infusion or percolation without turbulence, such as coffee or tea. Naturally, for the preparation of beverages in which the turbulence generated by the injection of water is indifferent or even beneficial, such as soluble products, it will not be necessary to incorporate this interior wall closed superiorly by the third sheet, with the consequent saving in material and manufacturing simplification. It is also provided that the capsule is devoid of inner wall and the third sheet is attached directly to the walls of the cup, or to a flange of said wall, leaving the dose of the product that requires infusion or percolation without turbulence, such as coffee or tea , between the second sheet and the third sheet, even when the capsule is not provided with an intermediate wall.
Se da a conocer también un sistema para preparar una bebida que comprende una cápsula y una máquina para preparar una bebida mediante dicha cápsula, estando la máquina provista de una alojamiento para alojar y retener la cápsula de modo que la cápsula sobresalga superiormente de dicho alojamiento, y estando además la máquina provista de unos medios de prensa para cerrar superiormente el alojamiento y presionar la cápsula contra el fondo de dicho alojamiento, de modo que las base de la cápsula sufra un empuje en dirección a la segunda lámina de la cápsula permitiendo el desplazamiento de sus medios de rasgado, al doblarse la porción flexible de la cápsula, hasta rasgar o romper la segunda lámina. Se da a conocer también un procedimiento para preparar una bebida mediante este sistema que comprende los pasos de alojar y retener la cápsula en un alojamiento de la máquina, de modo que la cápsula sobresalga superiormente de dicho alojamiento, y cerrar superiormente el alojamiento mediante unos medios de prensa de la máquina, presionando la cápsula que sobresale superiormente del alojamiento contra el fondo del alojamiento, de modo que la base de la cápsula sufra un empuje en dirección a la segunda lámina de la cápsula permitiendo el desplazamiento de sus medios de rasgado, al doblarse la porción flexible de la cápsula, hasta rasgar o romper la segunda lámina. Breve descripción de los dibujos A system is also disclosed for preparing a beverage comprising a capsule and a machine for preparing a beverage by means of said capsule, the machine being provided with a housing for housing and retaining the capsule so that the capsule protrudes superiorly from said housing, and the machine also being provided with press means to close the housing superiorly and press the capsule against the bottom of said housing, so that the base of the capsule undergoes a thrust in the direction of the second sheet of the capsule allowing displacement of its tearing means, when the flexible portion of the capsule is folded, until the second sheet is torn or broken. A method for preparing a beverage is also disclosed by means of this system comprising the steps of housing and retaining the capsule in a machine housing, so that the capsule protrudes superiorly from said housing, and superiorly closing the housing by means Press the machine, pressing the capsule that protrudes superiorly from the housing against the bottom of the housing, so that the base of the capsule undergoes a thrust in the direction of the second sheet of the capsule allowing the displacement of its tearing means, to the bend the flexible portion of the capsule until the second sheet is torn or broken. Brief description of the drawings
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:  To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, a set of drawings is attached to the present specification in which, for illustrative and non-limiting purposes, the following has been represented:
La Fig. 1 presenta una vista frontal del cuerpo de la cápsula objeto de la invención; Fig. 1 shows a front view of the body of the capsule object of the invention;
la Fig. 2 presenta una vista en perspectiva inferior del cuerpo la cápsula; la Fig. 3 presenta una vista en perspectiva superior del cuerpo de la cápsula;  Fig. 2 shows a bottom perspective view of the capsule body; Fig. 3 presents a top perspective view of the capsule body;
la Fig. 4 presenta una vista superior del cuerpo de la cápsula;  Fig. 4 shows a top view of the capsule body;
la Fig. 5a presenta una vista de la cápsula objeto de la invención de la invención;  Fig. 5a presents a view of the capsule object of the invention invention;
la Fig. 5b presenta un detalle de la cápsula de la Fig. 5a;  Fig. 5b shows a detail of the capsule of Fig. 5a;
las Figs. 6a y 6b presentan una secuencia de colocación de la cápsula de la presente invención en una máquina de preparación de bebidas, antes de rasgar la segunda lámina de la cápsula; y la Fig. 6c presenta un paso posterior en que se rasga la segunda lámina de la cápsula antes de preparar la bebida;  Figs. 6a and 6b present a sequence of placing the capsule of the present invention in a beverage preparation machine, before tearing the second sheet of the capsule; and Fig. 6c shows a further step in which the second sheet of the capsule is torn before preparing the beverage;
la Fig. 7a presenta una vista en sección de la cápsula y la máquina en la secuencia de la Fig. 6b;  Fig. 7a presents a sectional view of the capsule and the machine in the sequence of Fig. 6b;
la Fig. 7b presenta un detalle de la Fig. 7a;  Fig. 7b shows a detail of Fig. 7a;
la Fig. 8a presenta una vista en sección de la cápsula y la máquina en la secuencia de la Fig. 6c;  Fig. 8a presents a sectional view of the capsule and the machine in the sequence of Fig. 6c;
la Fig. 8b presenta un detalle de la Fig. 8a; y  Fig. 8b shows a detail of Fig. 8a; Y
las Figs. 9 a 1 1 presentan otra variante de realización de la cápsula.  Figs. 9 to 1 1 present another variant embodiment of the capsule.
Descripción detallada de los dibujos Detailed description of the drawings
Las Figs. 1 , 2, 3 y 4 presentan diferentes vistas del cuerpo 2 que formará parte de la cápsula 1 objeto de la presente invención. Como se puede observar en estas figuras, el cuerpo 2 está formado por una única pieza de material plástico estanco y comprende una copa 3 y una base 4 unidas por una porción flexible 11. Esta porción flexible 11 permitirá acercar la base 4 a la copa 3, aunque sea muy ligeramente, al presionar la base 4 contra la copa 3, como se detallará más adelante. Se prevé que esta porción flexible 1 1 tenga un grosor menor que el grosor de los extremos de la copa 3 y de la base 4 que une, permitiendo actuar la porción flexible 11 modo de articulación. Como se puede observar, la copa 3 del cuerpo 2 presenta paredes troncocónicas, presentando la base 4 del cuerpo 2 una forma sensiblemente cóncava. Figs. 1, 2, 3 and 4 have different views of the body 2 that will be part of the capsule 1 object of the present invention. As can be seen in these figures, the body 2 is formed by a single piece of sealed plastic material and comprises a cup 3 and a base 4 joined by a flexible portion 11. This flexible portion 11 will allow the base 4 to be brought closer to the cup 3 , even if it is very lightly, when pressing base 4 against cup 3, as will be more detailed ahead. It is envisioned that this flexible portion 1 1 has a thickness less than the thickness of the ends of the cup 3 and the base 4 that joins, allowing the flexible portion 11 to act as a joint. As can be seen, the cup 3 of the body 2 has truncated conical walls, the base 4 of the body 2 having a substantially concave shape.
Como se observa, la copa 3 está provista de una embocadura superior 6, que se cerrará por una primera lámina 7 estanca que quedará pegada o soldada a la copa 3 y estará preparada para ser atravesada por un elemento inyector de un fluido, tal como agua, para la preparación de la bebida. La base 4 está a su vez provista de una embocadura inferior 8, prevista para la salida de la bebida preparada y dotada de un caño 15. As can be seen, the cup 3 is provided with an upper opening 6, which will be closed by a first sealed sheet 7 that will be glued or welded to the cup 3 and will be prepared to be pierced by a fluid injector element, such as water , for the preparation of the drink. The base 4 is in turn provided with a lower mouth 8, intended for the exit of the prepared beverage and provided with a spout 15.
Se prevé además que la copa 3 presente una segunda lámina 9 estanca pegada o soldada interiormente a dicha copa 3, por encima de la base 4, y que separará la embocadura superior 6 y la embocadura inferior 8, de modo que la dosis 5 de producto que estará contenido en la cápsula 1 quede almacenado entre la primera lámina 7 y la segunda lámina 9. Además, como puede observarse, la base 4 está provista de unos medios de rasgado 10, a modo de salientes 12, de esta la segunda lámina 9 que como se verá más adelante permitirán rasgar o romper la segunda lámina 9 al acercar la base 4 a la copa 3. It is further provided that the cup 3 has a second sealed sheet 9 glued or welded internally to said cup 3, above the base 4, and that it will separate the upper mouth 6 and the lower mouth 8, so that the product dose 5 which will be contained in the capsule 1 is stored between the first sheet 7 and the second sheet 9. In addition, as can be seen, the base 4 is provided with tearing means 10, by way of projections 12, of this the second sheet 9 which, as will be seen later, will allow the second sheet 9 to be torn or broken by bringing the base 4 closer to the cup 3.
La copa 3 del cuerpo 2 presenta además una pared interior 13 que rodeará y encerrará la dosis de producto, estando previsto que dicha pared interior 13 esté cerrada superiormente por una tercera lámina 14 permeable. The cup 3 of the body 2 also has an inner wall 13 that will surround and enclose the dose of product, said inner wall 13 being provided to be closed superiorly by a permeable third sheet 14.
La Fig. 5a presenta una vista en sección de la cápsula 1 de la presente invención, cerrada y lista para su uso en una máquina de preparación de bebidas, tal como una de las máquinas conocidas del tipo monodosis o autoservicio, del modo que se ilustrará más adelante. La cápsula 1 comprende el cuerpo 2 anteriormente descrito, así como una primera lámina 7 estanca pegada o soldada a la copa 3, por ejemplo, mediante un pegamento, que cierra la embocadura superior 6 de la copa 3, estando la primera lámina 7 preparada para ser atravesada por un elemento inyector de un fluido para la preparación de la bebida. Como se observa en esta figura, la cápsula 1 está provista además de una segunda lámina 9 estanca pegada o soldada interiormente a la copa 2, por ejemplo, mediante un pegamento, por encima de la base 4, y que separa la embocadura superior 6 y la embocadura inferior 8, quedando la dosis 5 de producto almacenada entre la primera lámina 7 y la segunda lámina 9, y alojada sobre la segunda lámina 9. Se pueden observar también los medios de rasgado 10 de la segunda lámina 9 están dispuestos en la base 4 de modo que permitan romper o rasgar la segunda lámina 9 al acercar la base 4 a la copa 3. Ventajosamente, la copa 3 y la base 4 del cuerpo 2 están unidas por una porción flexible 11 , siendo dicha porción flexible 1 1 susceptible de doblarse al empujar la base 4 en dirección a la segunda lámina 9, por ejemplo al presionar la copa 3 contra la base 4, permitiendo el desplazamiento de los medios de rasgado 10 hasta rasgar o romper la segunda lámina 9, consiguiendo la apertura de la cápsula 1 de manera mecánica y así evitando que una posterior inyección de líquido en el interior de la cápsula 1 aumente la presión en el interior de la cápsula 1 , evitando así tener que conformar el cuerpo 2 de un material suficientemente resistente para evitar su explosión. De esta manera, el cuerpo 2 puede fabricarse a partir de materiales más débiles y económicos o con grosores menores a los cuerpos de las cápsulas conocidas que deben soportar altas presiones en su interior. Fig. 5a presents a sectional view of the capsule 1 of the present invention, closed and ready for use in a beverage preparation machine, such as one of the known single-dose or self-service machines, as will be illustrated. later. The capsule 1 comprises the body 2 described above, as well as a first sealed sheet 7 glued or welded to the cup 3, for example, by means of a glue, which closes the upper mouth 6 of the cup 3, the first sheet 7 being prepared for be crossed by an injector element of a fluid for the preparation of the beverage. As can be seen in this figure, the capsule 1 is also provided with a second sealed sheet 9 glued or welded internally to the cup 2, for example, by means of a glue, above the base 4, and which separates the upper mouth 6 and the lower mouth 8, with the dose 5 of product stored between the first sheet 7 and the second sheet 9, and housed on the second sheet 9. The tearing means 10 of the second sheet 9 can also be observed are arranged in the base 4 so that the second sheet 9 can be broken or torn by bringing the base 4 closer to the cup 3. Advantageously, the cup 3 and the base 4 of the body 2 are joined by a flexible portion 11, said flexible portion 1 being susceptible to bending when pushing the base 4 in the direction of the second sheet 9, for example when pressing the cup 3 against the base 4, allowing the displacement of the tearing means 10 to tear or break the second sheet 9, obtaining the opening d e the capsule 1 mechanically and thus preventing a subsequent injection of liquid inside the capsule 1 to increase the pressure inside the capsule 1, thus avoiding having to conform the body 2 of a material sufficiently resistant to avoid its explosion. In this way, the body 2 can be manufactured from weaker and cheaper materials or with thicknesses smaller than the known capsule bodies that must withstand high pressures inside.
Se observa además que la copa 3 presenta una pared interior 13 que rodea y encierra la dosis 5 de producto, estando dicha pared interior 13 cerrada superiormente por una tercera lámina 14 permeable, tal como un papel de filtro. Naturalmente, se prevé que otras variantes de realización estén desprovistas de esta pared interior 13, quedando la dosis 5 de producto almacenada en todo el interior de la copa 3. It is further observed that the cup 3 has an inner wall 13 that surrounds and encloses the dose 5 of the product, said inner wall 13 being closed superiorly by a permeable third sheet 14, such as a filter paper. Naturally, it is envisaged that other variants of embodiment will be devoid of this inner wall 13, with the dose 5 of product stored throughout the interior of the cup 3.
La Fig. 5b presenta un detalle de la cápsula 1 de la Fig. 5a, en este detalle se puede observar la porción flexible 1 1 que une la copa 3 con la base 4 y que permite, al flexionarse a modo de articulación, acercar los medios de rasgado 10 hasta romper o cortar la segunda lámina 9. Fig. 5b shows a detail of the capsule 1 of Fig. 5a, in this detail you can see the flexible portion 1 1 that joins the cup 3 with the base 4 and allows, when flexing as an articulation, to bring the tearing means 10 until breaking or cutting the second sheet 9.
Se destaca que al menos parte de la porción flexible 11 que une los extremos de la copa 3 y la base tiene un grosor menor que el grosor de los extremos de la copa 3 y de la base 4, permitiendo así que la porción flexible actúe a modo de articulación. Idealmente, se prevé que la porción flexible 11 rodee la base 4 uniendo todo el alrededor de la base 4 con la copa 3. No obstante, también se prevé que la base 4 y la copa 3 puedan estar unidas además por algún punto rígido, que no evite que se pueda abrir la cápsula 1 al presionar la base 4 contra la copa Se prevé que para conseguir este efecto flexible, si el material en el que se conforma el cuerpo 2 es polipropileno, el tramo flexible 1 1 tenga un grosor mínimo menor a 50 micrómetros y forme una corona o anillo entre la copa 3 y la base 4. It should be noted that at least part of the flexible portion 11 that joins the ends of the cup 3 and the base is less than the thickness of the ends of cup 3 and base 4, thus allowing the flexible portion to act as a joint. Ideally, it is envisaged that the flexible portion 11 surrounds the base 4 by joining all around the base 4 with the cup 3. However, it is also provided that the base 4 and the cup 3 can also be joined by some rigid point, which do not prevent the capsule 1 from opening when pressing the base 4 against the cup It is envisaged that to achieve this flexible effect, if the material in which the body 2 is formed is polypropylene, the flexible section 1 1 has a smaller minimum thickness at 50 micrometers and form a crown or ring between cup 3 and base 4.
Para conseguir que la segunda lámina 9 se rasgue o corte mediante los medios de rasgado 10 de la base 4, se prevé que esta segunda lámina 9 sea de aluminio y tenga un grosor superior a 10 micrómetros que permite soportar una presión de hasta 1 megapascal. In order to ensure that the second sheet 9 is torn or cut by means of the tearing means 10 of the base 4, it is envisaged that this second sheet 9 is made of aluminum and has a thickness greater than 10 micrometers that allows to withstand a pressure of up to 1 megapascal.
Las Figs. 6a, 6b y 6c presentan los pasos para preparar una bebida mediante un sistema 100 formado por una cápsula 1 y una máquina 101 para preparar la bebida a partir de la dosis 5 de producto almacenada en la cápsula 1. Como se puede observar, el procedimiento para preparar una bebida mediante dicho sistema 100 para preparar una bebida mediante comprende los pasos de alojar y retener la cápsula 1 en un alojamiento 102, del modo ilustrado en la Fig. 6a. Se prevé que el cuerpo 2 de la cápsula 1 esté dimensionado de modo que la cápsula sobresalga superiormente del alojamiento 102. Dicho alojamiento 102 estará adaptado para ser insertado en la máquina 101 , tal y como muestra la Fig. 6b. Tras insertar el alojamiento 102 que contiene la cápsula 1 en máquina 101 , se procederá a cerrar superiormente el alojamiento 102 mediante unos medios de prensa 103 de la máquina 101 , por ejemplo accionando el usuario una palanca 105 dispuesta en la máquina 101 a tal efecto, de modo que los medios de prensa 103 presionen la cápsula 1 contra el fondo 104 del alojamiento 102. En este instante, al sobresalir la cápsula 1 del alojamiento 102, los medios de prensa 103 presionarán la copa 3 de la cápsula 1 , de modo que la base 4 de la cápsula sufrirá un empuje en dirección a la segunda lámina 9 al doblarse su porción flexible 1 1 , permitiendo el desplazamiento de los medios de rasgado 10 de la cápsula 1 hasta rasgar o romper la segunda lámina 9. En este punto, al estar abierta inferiormente la cápsula 1 , cuando la máquina 101 inyecte agua a través de la primera lámina 7 en el interior de la cápsula 1 , la bebida saldrá a través de la embocadura inferior 8 sin que se eleve la presión en el interior de la cápsula 1. Se observa además que el fondo 104 del alojamiento 102 está provisto de una apertura en la que quedará alojado el caño 15 de la cápsula 1 para la salida de la bebida preparada. Figs. 6a, 6b and 6c present the steps to prepare a beverage by means of a system 100 formed by a capsule 1 and a machine 101 to prepare the beverage from the dose 5 of product stored in the capsule 1. As can be seen, the procedure to prepare a beverage by said system 100 to prepare a beverage by comprising the steps of housing and retaining the capsule 1 in a housing 102, as illustrated in Fig. 6a. It is envisioned that the body 2 of the capsule 1 is sized so that the capsule protrudes superiorly from the housing 102. Said housing 102 will be adapted to be inserted into the machine 101, as shown in Fig. 6b. After inserting the housing 102 containing the capsule 1 in machine 101, the housing 102 will be closed superiorly by means of press means 103 of the machine 101, for example by operating the user a lever 105 arranged in the machine 101 for this purpose, so that the press means 103 press the capsule 1 against the bottom 104 of the housing 102. At this moment, when the capsule 1 of the housing 102 protrudes, the press means 103 will press the cup 3 of the capsule 1, so that the base 4 of the capsule will undergo a thrust in the direction of the second sheet 9 when its flexible portion 1 1 bends, allowing the displacement of the tearing means 10 of the capsule 1 until the second sheet is torn or broken 9. At this point, when the capsule 1 is open inferiorly, when the machine 101 injects water through the first sheet 7 inside the capsule 1, the beverage will exit through the mouth lower 8 without raising the pressure inside the capsule 1. It is further observed that the bottom 104 of the housing 102 is provided with an opening in which the spout 15 of the capsule 1 will be housed for the exit of the prepared beverage .
A continuación, se ilustra de manera detallada la interacción entre la cápsula 1 y la máquina 101 anteriormente descrita. Next, the interaction between the capsule 1 and the machine 101 described above is illustrated in detail.
La Fig. 7a presenta una vista esquemática en sección del sistema 100 en la posición ilustrada anteriormente en la Fig. 6b, de la que una vista en detalle de la porción flexible se muestra en la Fig. 7b. En estas figuras se puede observar que la cápsula 1 está insertada en el alojamiento 102, pero está dimensionada de modo que no quede perfectamente alojada en dicho alojamiento 102 sino que sobresalga superiormente del alojamiento 102, aunque sea muy ligeramente, quedando la base 4 de la cápsula tocando el fondo 104 del alojamiento. Como se verá a continuación, la cápsula 1 tendrá que sobresalir del alojamiento 102 al menos la distancia que tienen que recorrer los medios de rasgado 10 para romper o cortar la segunda lámina 9. Para una mejor representación, en esta y las siguientes vistas esquemáticas no se ha representado la dosis 5 de producto. Fig. 7a presents a schematic sectional view of the system 100 in the position illustrated above in Fig. 6b, of which a detailed view of the flexible portion is shown in Fig. 7b. In these figures it can be seen that the capsule 1 is inserted in the housing 102, but is sized so that it is not perfectly housed in said housing 102 but that it protrudes superiorly from the housing 102, even if it is very slightly, with the base 4 of the capsule touching bottom 104 of the housing. As will be seen below, the capsule 1 will have to protrude from the housing 102 at least the distance that the tearing means 10 have to travel to break or cut the second sheet 9. For a better representation, in this and the following schematic views no the dose 5 of product has been represented.
La Fig. 8a presenta una vista esquemática en sección del sistema 100 en la posición ilustrada anteriormente en la Fig. 6c, de la que una vista en detalle de la porción flexible se muestra en la Fig. 8b. En esta posición, los medios de prensa 103 de la máquina 101 cierran superiormente el alojamiento 102, presionando la copa 3 de la cápsula 1 contra el fondo 104 del alojamiento 102, de modo que la base 4 de la cápsula 1 sufre un empuje en dirección a la segunda lámina 9 de la cápsula permitiendo, al doblarse la porción flexible 11 , el desplazamiento de los medios de rasgado 10 de la base 4 hasta rasgar o romper la segunda lámina 9, de modo que se abra inferiormente la cápsula 1 y al inyectar líquido la máquina 101 en el interior de la cápsula 1 , la bebida salga a través de la embocadura inferior 8 sin que se eleve la presión en el interior de la cápsula 1. Para mejorar el apoyo de la cápsula 1 en el fondo 104 del alojamiento 102, en una variante de realización se prevé que la base 4 de la cápsula 1 esté provista de resaltes 16 inferiores de apoyo, a modo de patas. Los seis resaltes 16 ilustradas en la variante de realización de la Fig. 9 permiten asegurar que la base 4 de la cápsula 1 quedará en contacto con el fondo 104 del alojamiento 102 anteriormente ilustrado y que además sobresaldrá suficientemente del alojamiento 102 para poder rasgar la segunda lámina 9 al cerrar superiormente los medios de prensa 103 de la máquina 101 el alojamiento 102, de manera similar al modo anteriormente descrito. Fig. 8a presents a schematic sectional view of the system 100 in the position illustrated above in Fig. 6c, from which a detailed view of the flexible portion is shown in Fig. 8b. In this position, the press means 103 of the machine 101 upperly close the housing 102, pressing the cup 3 of the capsule 1 against the bottom 104 of the housing 102, so that the base 4 of the capsule 1 undergoes a thrust in the direction to the second sheet 9 of the capsule allowing, when the flexible portion 11 bends, the displacement of the tearing means 10 from the base 4 until the second sheet 9 is torn or broken, so that the capsule 1 is opened inferiorly and when injected liquid the machine 101 inside the capsule 1, the beverage exits through the lower mouth 8 without the pressure rising inside the capsule 1. In order to improve the support of the capsule 1 at the bottom 104 of the housing 102, in a variant embodiment, it is provided that the base 4 of the capsule 1 is provided with lower support projections 16, by way of legs. The six projections 16 illustrated in the variant embodiment of Fig. 9 make it possible to ensure that the base 4 of the capsule 1 will be in contact with the bottom 104 of the housing 102 illustrated above and that it will also protrude sufficiently from the housing 102 to be able to tear the second sheet 9 when the press means 103 of the machine 101 are closed superiorly to the housing 102, in a manner similar to that described above.
La Fig. 10 presenta, de manera esquemática, un detalle de la base 4 de la cápsula 1 de la Fig. 9 en una vista inferior, en la que se pueda ver que cada grupo de tres resaltes 16 inferiores de apoyo forman los vértices de un triángulo equilátero, formando además los seis resaltes 16 inferiores de apoyo los vértices de un hexágono, permitiendo transmitir eficientemente el desplazamiento que se ejerza sobre los resaltes 16 en dirección a la segunda lámina 9 a toda la base 4. Fig. 10 shows, in a schematic way, a detail of the base 4 of the capsule 1 of Fig. 9 in a bottom view, in which it can be seen that each group of three lower support projections 16 form the vertices of an equilateral triangle, also forming the six lower projections 16 supporting the vertices of a hexagon, allowing efficiently transmitting the displacement exerted on the projections 16 in the direction of the second sheet 9 to the entire base 4.
Se prevé además que los salientes 12 de perforación o corte, tales como los seis salientes 12 ilustrados anteriormente en la Fig. 4, estén alineados cada uno con un resalte 16 inferior de apoyo, de modo que el desplazamiento que se ejerza sobre cada resalte 16 en dirección a la segunda lámina 9 se transmita directamente al saliente 12 que tenga alineado. Naturalmente esta alineación también podría darse con otros medios de rasgado 10 que pueda tener la cápsula 1 , diferentes a los salientes 12. A modo de ejemplo, esta alineación entre un saliente 12 y un resalte 16 puede observarse en el detalle de la sección de la cápsula 1 mostrado en la Fig. 1 1. It is further provided that the drilling or cutting projections 12, such as the six projections 12 illustrated above in Fig. 4, are each aligned with a lower shoulder 16, so that the displacement exerted on each shoulder 16 in the direction of the second sheet 9, it is transmitted directly to the projection 12 which is aligned. Naturally, this alignment could also occur with other tearing means 10 that the capsule 1 may have, other than the projections 12. As an example, this alignment between a projection 12 and a projection 16 can be seen in the detail of the section of the capsule 1 shown in Fig. 1 1.

Claims

R E I V I N D I C A C I O N E S
1. Cápsula (1) para la preparación de una bebida en una máquina que comprende un cuerpo (2) de una única pieza de material estanco que comprende una copa (3) y una base (4), estando la copa adaptada para almacenar al menos una dosis (5) de un producto para la preparación de la bebida y provista de una embocadura superior (6) cerrada por una primera lámina (7) estanca pegada a la copa y preparada para ser atravesada por un elemento inyector de un fluido para la preparación de la bebida, y estando la base provista de una embocadura inferior (8), prevista para la salida de la bebida preparada; estando la cápsula provista además de una segunda lámina (9) estanca pegada interiormente a la copa, por encima de la base, y que separa la embocadura superior y la embocadura inferior, quedando la dosis de producto almacenado entre la primera y segunda lámina; y estando la base provista de unos medios de rasgado (10) de la segunda lámina, caracterizada por que la copa y la base están unidas por una porción flexible (11), siendo dicha porción flexible susceptible de doblarse al empujar la base en dirección a la segunda lámina, permitiendo el desplazamiento de los medios de rasgado hasta rasgar o romper la segunda lámina. 1. Capsule (1) for the preparation of a beverage in a machine comprising a body (2) of a single piece of watertight material comprising a cup (3) and a base (4), the cup being adapted to store the minus a dose (5) of a product for the preparation of the beverage and provided with an upper mouth (6) closed by a first sheet (7) sealed to the cup and prepared to be pierced by an injector element of a fluid for the preparation of the beverage, and the base being provided with a lower opening (8), provided for the exit of the prepared beverage; the capsule being provided in addition to a second sheet (9) sealed internally attached to the cup, above the base, and separating the upper mouth and the lower mouth, leaving the dose of product stored between the first and second sheets; and the base being provided with a tearing means (10) of the second sheet, characterized in that the cup and the base are joined by a flexible portion (11), said flexible portion being able to bend when the base is pushed in the direction of the second sheet, allowing the displacement of the tearing means to tear or tear the second sheet.
2. Cápsula (1) según la reivindicación anterior, caracterizada por que al menos parte de la porción flexible (11) tiene un grosor menor que el grosor de los extremos adyacentes de la copa (3) y de la base (4) que une. 2. Capsule (1) according to the preceding claim, characterized in that at least part of the flexible portion (11) has a thickness less than the thickness of the adjacent ends of the cup (3) and the base (4) joining .
3. Cápsula (1) según la reivindicación anterior, caracterizada por que toda la porción flexible (11) tiene un grosor menor que el grosor de los extremos de la copa (3) y de la base (4) que une. 3. Capsule (1) according to the preceding claim, characterized in that the entire flexible portion (11) is less than the thickness of the ends of the cup (3) and the base (4) that joins.
4. Cápsula (1) según una cualquiera de las reivindicaciones anteriores, caracterizada por que la porción flexible (11) tiene un grosor mínimo menor a 50 micrómetros. 4. Capsule (1) according to any one of the preceding claims, characterized in that the flexible portion (11) has a minimum thickness of less than 50 micrometers.
5. Cápsula (1) según una cualquiera de las reivindicaciones anteriores, caracterizada por que la porción flexible (11) rodea la base (4). 5. Capsule (1) according to any one of the preceding claims, characterized in that the flexible portion (11) surrounds the base (4).
6. Cápsula (1) según una cualquiera de las reivindicaciones anteriores, caracterizada por que la base (4) está provista de al menos un resalte (16) inferior de apoyo 6. Capsule (1) according to any one of the preceding claims, characterized in that the base (4) is provided with at least one lower shoulder (16) support
7. Cápsula (1) según la reivindicación anterior, caracterizada por que la base (4) está provista de al menos tres resaltes (16) inferiores de apoyo. 7. Capsule (1) according to the preceding claim, characterized in that the base (4) is provided with at least three lower projections (16).
8. Cápsula (1) según la reivindicación anterior, caracterizada por que tres resaltes (16) inferiores de apoyo forman los vértices de un triángulo equilátero. 8. Capsule (1) according to the preceding claim, characterized in that three lower support projections (16) form the vertices of an equilateral triangle.
9. Cápsula según una cualquiera de las reivindicaciones 6 a 8, caracterizada por que la base está provista de al menos seis resaltes (16) inferiores de apoyo que forman los vértices de un hexágono. 9. Capsule according to any one of claims 6 to 8, characterized in that the base is provided with at least six lower support projections (16) forming the vertices of a hexagon.
10. Cápsula (1) según una cualquiera de las reivindicaciones anteriores, caracterizada por que los medios de rasgado (10) comprenden al menos un saliente (12) de perforación o corte. 10. Capsule (1) according to any one of the preceding claims, characterized in that the tearing means (10) comprise at least one projection (12) for drilling or cutting.
1 1. Cápsula (1) según una cualquiera de las reivindicaciones 6 a 9, caracterizada por que los medios de rasgado (10) comprenden al menos un saliente (12) de perforación o corte y al menos un saliente (12) de perforación o corte está alineado con un resalte (16) inferior de apoyo. 1 1. Capsule (1) according to any one of claims 6 to 9, characterized in that the tearing means (10) comprise at least one projection (12) for drilling or cutting and at least one projection (12) for drilling or cut is aligned with a lower shoulder (16) of support.
12. Cápsula (1) según la reivindicación anterior, caracterizada por que cada saliente (12) de perforación o corte está alineado con un resalte (16) inferior de apoyo. 12. Capsule (1) according to the preceding claim, characterized in that each projection (12) of drilling or cutting is aligned with a lower shoulder (16).
13. Cápsula (1) según una cualquiera de las reivindicaciones anteriores, caracterizada por que la segunda lámina (9) es de aluminio y tiene un grosor superior a 10 micrómetros. 13. Capsule (1) according to any one of the preceding claims, characterized in that the second sheet (9) is made of aluminum and has a thickness greater than 10 micrometers.
14. Cápsula (1) según una cualquiera de las reivindicaciones anteriores, caracterizada por que la copa (3) comprende una pared interior (13) que rodea y encierra la dosis (5) de producto, estando dicha pared interior cerrada superiormente por una tercera lámina (14) permeable. 14. Capsule (1) according to any one of the preceding claims, characterized in that the cup (3) comprises an inner wall (13) that surrounds and encloses the dose (5) of product, said inner wall being superiorly closed by a third permeable sheet (14).
15. Sistema (100) para preparar una bebida que comprende una cápsula (1) según una cualquiera de las reivindicaciones anteriores y una máquina (101) para preparar una bebida mediante dicha cápsula, caracterizado por que la máquina está provista de un alojamiento (102) para alojar y retener la cápsula de modo que la cápsula sobresalga superiormente de dicho alojamiento, y estando además la máquina provista de unos medios de prensa (103) para cerrar superiormente el alojamiento y presionar la cápsula contra el fondo (104) de dicho alojamiento, de modo que las base (4) de la cápsula sufra un empuje en dirección a la segunda lámina (9) de la cápsula permitiendo el desplazamiento de sus medios de rasgado (10), al doblarse la porción flexible (1 1) de la cápsula, hasta rasgar o romper la segunda lámina. 15. System (100) for preparing a beverage comprising a capsule (1) according to any one of the preceding claims and a machine (101) for preparing a beverage by means of said capsule, characterized in that the machine it is provided with a housing (102) for housing and retaining the capsule so that the capsule protrudes superiorly from said housing, and the machine also being provided with a press means (103) for closing the housing superiorly and pressing the capsule against the bottom (104) of said housing, so that the base (4) of the capsule undergoes a thrust in the direction of the second sheet (9) of the capsule allowing the displacement of its tearing means (10), when the portion is bent flexible (1 1) of the capsule, until the second sheet is torn or broken.
16. Procedimiento para preparar una bebida mediante un sistema (100) según la reivindicación anterior, caracterizado por que comprende los pasos de: a) alojar y retener la cápsula (1) en un alojamiento (102) de la máquina (101), de modo que la cápsula sobresalga superiormente de dicho alojamiento, y b) cerrar superiormente el alojamiento mediante unos medios de prensa (103) de la máquina, presionando la cápsula que sobresale superiormente del alojamiento contra el fondo (104) del alojamiento, de modo que la base (4) de la cápsula sufra un empuje en dirección a la segunda lámina (9) de la cápsula permitiendo el desplazamiento de sus medios de rasgado (10), al doblarse la porción flexible (1 1) de la cápsula, hasta rasgar o romper la segunda lámina. 16. Method for preparing a beverage by means of a system (100) according to the preceding claim, characterized in that it comprises the steps of: a) housing and retaining the capsule (1) in a housing (102) of the machine (101), of so that the capsule protrudes superiorly from said housing, and b) superiorly close the housing by means of press means (103) of the machine, pressing the capsule protruding superiorly from the housing against the bottom (104) of the housing, so that the base (4) of the capsule undergoes a thrust in the direction of the second sheet (9) of the capsule allowing the displacement of its tearing means (10), when the flexible portion (1 1) of the capsule bends, until it tears or tears The second sheet.
PCT/ES2017/070735 2016-11-07 2017-11-07 Capsule, system and method for preparing a drink WO2018083366A1 (en)

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ES17821668T ES2797202T3 (en) 2016-11-07 2017-11-07 Capsule, system and procedure for the preparation of a drink
MX2019004829A MX2019004829A (en) 2016-11-07 2017-11-07 Capsule, system and method for preparing a drink.

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WO2007141202A1 (en) * 2006-06-06 2007-12-13 Nestec S.A. Capsule with reduced dripping
EP2238050A1 (en) 2008-02-06 2010-10-13 Nestec S.A. Labyrinth capsule for drink powder
WO2010137947A1 (en) * 2009-06-17 2010-12-02 Sara Lee/De N.V. System, capsule and method for preparing a predetermined quantity of beverage
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WO2010038213A2 (en) 2008-10-03 2010-04-08 Ethical Coffee Company Sa Capsule for preparing a drink and device
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EP1472156A2 (en) 2002-01-16 2004-11-03 Societe Des Produits Nestle S.A. Closed capsule with opening mean
EP1808382A1 (en) 2002-01-16 2007-07-18 Societe Des Produits Nestle S.A. Closed capsule with a cup having opening means
WO2007141202A1 (en) * 2006-06-06 2007-12-13 Nestec S.A. Capsule with reduced dripping
EP2238050A1 (en) 2008-02-06 2010-10-13 Nestec S.A. Labyrinth capsule for drink powder
WO2010137947A1 (en) * 2009-06-17 2010-12-02 Sara Lee/De N.V. System, capsule and method for preparing a predetermined quantity of beverage
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WO2016102736A2 (en) * 2014-12-26 2016-06-30 Fast Eurocafe S.A. Capsules and system for preparing beverages, including activatable opening means

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