EP3571140B1 - Capsule pour la prodution de boissons - Google Patents

Capsule pour la prodution de boissons Download PDF

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Publication number
EP3571140B1
EP3571140B1 EP18716094.0A EP18716094A EP3571140B1 EP 3571140 B1 EP3571140 B1 EP 3571140B1 EP 18716094 A EP18716094 A EP 18716094A EP 3571140 B1 EP3571140 B1 EP 3571140B1
Authority
EP
European Patent Office
Prior art keywords
capsule
weak points
interior
portion capsule
capsule according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18716094.0A
Other languages
German (de)
English (en)
Other versions
EP3571140A1 (fr
EP3571140C0 (fr
Inventor
Lorenzo Crespo
Jordi Guijarro
Marti NOGUÉ I ARBUSÀ
Alejandro Ruiz SOLA
Frank Römer
Jan Wommelsdorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Georg Menshen GmbH and Co KG
Original Assignee
Georg Menshen GmbH and Co KG
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 Georg Menshen GmbH and Co KG filed Critical Georg Menshen GmbH and Co KG
Publication of EP3571140A1 publication Critical patent/EP3571140A1/fr
Application granted granted Critical
Publication of EP3571140B1 publication Critical patent/EP3571140B1/fr
Publication of EP3571140C0 publication Critical patent/EP3571140C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • B65D85/8049—Details of the inlet

Definitions

  • Portion capsules are known in a wide variety of designs.
  • the hot water either flows in through the housing base of the outer capsule and out again through the film that closes the opening of the capsule or, as in the embodiment according to the invention, in through the film and out again through a beverage outlet in the housing base of the outer capsule.
  • a beverage capsule that has an inner capsule whose base has weak spots that tear open due to the pressure of the liquid.
  • Such a structure is technically complex and does not produce sufficiently dense foam. Furthermore, there is no anti-drip barrier.
  • the WO 2008/125256 A1 shows a beverage capsule with a filter above the bottom. A dense foam and a drip stop are not achieved.
  • the object of the invention is to create a portion capsule of the type mentioned at the beginning, which has a simple and inexpensive construction and assembly and a high level of quality and aroma retention, a high level of functional reliability and produces a solid foam in sufficient quantities. This also creates a drip barrier.
  • the object of the invention is also to create a capsule with breakable weak points in which a uniform melt flow is achieved during production using plastic injection molding despite the weak points.
  • This type of construction ensures that the internal pressure generated by the water causes the bottom of the capsule to open towards the beverage outlet, so that the beverage produced can flow out of the capsule.
  • the inner plate on the bottom of the housing creates narrow passages that delay flow, cause eddies, turbulence and pressure fluctuations, which lead to a significant increase in volume and improvement in the beverage foam.
  • the capsule is particularly simple in its construction and assembly. Furthermore, the contents of the inner capsule remain unchanged over a long period of time during storage, so that no loss of aroma occurs.
  • the crema function of the inner plate if the outer edge of the inner plate is perforated in the shape of a sieve. It is also proposed that the outer edge of the inner plate forms flow channels on the underside facing the housing base, which guide the liquid from the sieve openings over the ring projection to the weak points.
  • the bottom of the inner capsule has circular thin spots for the uniform guidance of the plastic melt during plastic injection molding, which also lie on the centric circle of the weak spots, which fill the gaps between the weak spots and which have a material thickness that is so much greater than the material thickness of the weak spots that, unlike the weak spots, they do not tear or break open due to the fluid pressure.
  • liquid passages are channels, notches and/or grooves in the outer edge of the inner plate.
  • a sieve or a perforated film can also be placed on the inner plate to cover the inner plate.
  • Aroma-resistant storage of the beverage substrate in the capsule is achieved when the capsule wall has or consists of a water vapor and/or oxygen-blocking material.
  • the side wall and/or the base of the capsule can have two outer layers made of a non-blocking material and a barrier layer or blocking layer in between. It is also advantageous if the capsule wall is constructed in layers with a barrier layer or blocking layer made of polyolefin with embedded ethylene-vinyl alcohol copolymer (EVOH) or of a biodegradable polylactide (PLA) with embedded EVOH or polyvinyl alcohol (PVOH).
  • EVOH embedded ethylene-vinyl alcohol copolymer
  • PLA biodegradable polylactide
  • PVOH polyvinyl alcohol
  • the portion capsule 1 is intended to be used in a beverage device, in particular in a coffee or tea machine, in order to create a beverage, in particular coffee or tea, from a substrate, granulate or powder which is located inside the capsule.
  • the portion capsule 1 is a pot-shaped capsule 1 in which the substrate, granulate or powder is located.
  • the capsule is open on one side, in this case the inlet end 4, this opening 5 being closed by a film or foil which is attached to the flange-shaped edge 5a of the capsule so that the opening 5 is securely closed. This ensures that after the film/foil is pierced by a tube, in particular a lance, the liquid penetrating through the tube/lance, in particular hot or cold water, gets into the capsule 1.
  • the portion capsule 1 is formed by a pot-shaped housing made of plastic with a lower housing base 3 on which an annular cylindrical projection (ring projection 11) is molded into the interior of the capsule, the axis of which is the same as the capsule axis 12.
  • the inner diameter of the ring projection is equal to 1/3 to 3 ⁇ 4 of the diameter of the inlet opening 5.
  • the height or width of the ring projection is 2 to 6 mm.
  • the capsule 1 has at least one weak point 6 in the plastic of the capsule 1 in its base 3 within the ring projection 11, in particular in the shape of a circular arc, which opens, breaks or tears when liquid pressure is applied in the capsule in order to let liquid from the interior of the capsule through to the beverage outlet 7.
  • the weak point 6 preferably consists of a tear line, so that when it is torn open, part of the housing base 10 breaks through downwards.
  • This weak point 6 can also be a tear notch, tear seam or another type of weakening.
  • the base 3 of the capsule 1 has four weak points 6, in particular in the shape of a circular arc, which are evenly distributed over a circle that is located centrally near the edge of the base and thus coaxial with the central axis 12 of the portion capsule.
  • the plastic of the base is so thin that the plastic breaks through/tears open there due to the fluid pressure that develops inside the inner capsule.
  • the wall of the capsule 1 consists of a barrier layer or barrier layer made of ethylene-vinyl alcohol copolymer (EVOH) or of polyolefin with an embedded intermediate layer made of ethylene-vinyl alcohol copolymer (EVOH) or of a biodegradable polylactide (PLA) with an embedded intermediate layer made of EVOH or polyvinyl alcohol (PVOH).
  • EVOH ethylene-vinyl alcohol copolymer
  • PLA biodegradable polylactide
  • the capsule 1 is manufactured using plastic injection molding. It is important that when the plastic is injected into the center of the cavity of the injection molding tool that forms the housing base 3, the plastic melt flows evenly from the center to the circular edge of the base. However, the weak points 6 are in the way as thin spots, each of which creates flow resistance and hinders the flow of melt. In order to still maintain an even flow to the outer edge of the base 3 and also to the side wall of the capsule 1, thin spots 20 in the shape of an arc of a circle are arranged between the weak points 6, which lie on the circle on which the weak points 6 are also located and whose center is the center of the base 3 of the capsule 1, which is also the sprue point of the capsule.
  • the material In the area of the thin spots 20, the material has a greater thickness than in the area of the weak spots 6, so that it is ensured that only the weak spots 6 and not the thin spots 20 tear or break open due to the liquid pressure within the portion capsule.
  • the thin points 20 have a larger radial width B1 than the radial width B2 of the weak points 6.
  • four circular arc-shaped weak points 6 and four circular arc-shaped thin points 20 are arranged in between, which all together form an uninterrupted circle. Instead, however, three, five or six weak points and thin points can each form a circle.
  • the base 3 of the capsule, the weak points 6 and the thin points 20 preferably have the following dimensions: Thickness (mm) width (mm) Arc length (degrees) Bottom 3 of the capsule 0.5 - 1.0 preferably 0.7 - - Vulnerabilities 6 0.10 - 0.20 preferably 0.15 0.1 - 0.3 preferably 0.2 3-50° preferably 10° to 40° Thin spots 20 0.20 - 0.30 preferably 0.25 0.7 to 2.0 preferably 1.3 75 - 85° preferably 80°
  • An inner plate 8 lies horizontally within the ring projection 11, parallel to the base 3. This inner plate 8 completely fills the interior of the ring projection, so that it lies in a form-fitting manner in the interior of the ring projection 11 and covers the base 3 there.
  • the cylindrical outer edge of the inner plate 8 lies closely against the inner edge of the ring projection 11.
  • the thickness D of the inner plate 8 is 1 to 10 mm.
  • a molded second annular projection 17 protrudes downwards, the diameter of which is equal to or smaller than the diameter of the first annular projection 11, the diameter of the second annular projection 17 being selected to be large enough that the weak points 6 lie within the second annular projection 17.
  • the axis of the second annular projection lies on the capsule axis 12.
  • the second annular projection 17 is surrounded on the outside by a bowl-shaped plastic part 23, which forms the lower outlet space 22 of the portion capsule 1 and has a lower central beverage outlet 7.
  • the second embodiment shown differs from the first essentially in that the inner plate 8 has a larger outer diameter than the outer diameter of the first annular projection 11, so that the inner plate 8 projects radially all the way around the annular projection 11 and forms an annular outer edge 8a which fills the annular space 14 in particular in a form-fitting manner.
  • the underside of the outer edge 8a lies tightly on the housing base 3 in a sealing manner and the inner plate 8 has on its underside an annular groove 8b which is open downwards and into which the annular projection 11 projects.
  • the ring-shaped outer edge 8a has vertical channel-shaped3 sieve openings 16 that connect the top of the outer edge 8a with its bottom, so that the outer edge acts like a sieve.
  • the bottom of the outer edge 8a has radial flow channels 15 into which the sieve openings 16 open.
  • the vulnerability is in Fig.3 formed as part of a circular arc.
  • the weak points 6, on the other hand, have the shape of a triangle, a wave, one or more points, an oval, a U or a V.
  • an upper perforated plate (not shown) is attached parallel to the base 3 and parallel to the upper cover film, which divides the interior into an upper space and a lower space.
  • the water passes through a lance and flows through the holes in the perforated plate into the lower space storing the beverage substrate.
  • the holes are arranged at regular intervals in the perforated plate so that the water is evenly distributed in the substrate.

Landscapes

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

Claims (13)

  1. Capsule (1), permettant de préparer une boisson, comme le café ou le thé, dans un dispositif de boissons, qui est fermée à son extrémité de sortie (2) par un fond de boîtier (3) et forme à l'extrémité d'entrée (4) opposée un orifice (5) qui est fermé par un opercule qui peut être perforé par un dispositif pour faire rentrer l'eau dans l'espace intérieur de la capsule qui contient un substrat, des granulés et/ou une poudre pour boisson, caractérisée en outre :
    - en ce que la capsule (1) présente dans son fond de boîtier (3) des points faibles (6) qui s'ouvrent, se brisent ou se déchirent sous une pression de liquide appliquée dans l'espace intérieur de la capsule afin de laisser passer le liquide de l'espace intérieur de la capsule (1) vers la sortie de boisson (7),
    - en ce que le fond de boîtier (3) est recouvert d'une plaque intérieure (8) en forme de disque dont le bord extérieur (9) présente des passages de liquide (10) à travers lesquels, sous l'effet de la pression de liquide appliquée, le liquide s'écoule de l'espace intérieur de la capsule (1) vers les points faibles (6) du fond (3),
    caractérisée :
    - en ce que sur le fond de boîtier (3), une saillie annulaire (11) dépassant dans l'espace intérieur de la capsule déborde et est disposée coaxialement par rapport à l'axe de capsule (12), et
    - en ce que la plaque intérieure (8) est insérée par complémentarité de forme dans l'espace intérieur (13) de la saillie annulaire (11), tout en remplissant l'espace intérieur.
  2. Capsule selon la revendication 1, caractérisée en ce que la plaque intérieure (8) est insérée dans l'espace intérieur (13) de la saillie annulaire (11), tout en dépassant latéralement de la saillie annulaire afin d'être insérée par son bord extérieur (8a) dans l'espace annulaire (14) qui entoure la saillie annulaire.
  3. Capsule selon la revendication 2, caractérisée en ce que le bord extérieur (8a) de la plaque intérieure (8) repose sur le fond de boîtier (3).
  4. Capsule selon la revendication 2 ou 3, caractérisée en ce que le bord extérieur (8a) de la plaque intérieure (8) est inséré dans l'espace annulaire (14) par complémentarité de forme.
  5. Capsule selon l'une quelconque des revendications 2 à 4, caractérisée en ce que le bord extérieur (8a) de la plaque intérieure (8) est perforé en forme de tamis.
  6. Capsule selon l'une quelconque des revendications 2 à 5, caractérisée en ce que le bord extérieur (8a) de la plaque intérieure (8) forme sur la face inférieure tournée vers le fond de boîtier (3) des canaux de passage (15) qui éloignent le liquide des orifices de tamis (16) au-delà de la saillie annulaire (11) vers les points faibles (6).
  7. Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que le fond (3) de la capsule (1) présente en tant que point faible (6) près de son bord extérieur au moins un point destiné à la rupture ou au moins une ligne à déchirer.
  8. Capsule selon la revendication 7, caractérisée en ce que les points faibles (6) se trouvent sur un cercle qui est centré par rapport au milieu du fond (3) de la capsule (1).
  9. Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une deuxième saillie annulaire (17) déborde vers le bas, de manière coaxiale à l'axe de capsule, sur la face inférieure du fond de boîtier (3).
  10. Capsule selon la revendication 9, caractérisée en ce qu'un espace d'écoulement (22) est fixé, en particulier encliqueté par complémentarité de forme, sur la deuxième saillie annulaire (17).
  11. Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que le fond (3) de la capsule (1) présente pour un guidage homogène de la masse de matière plastique fondue lors du moulage par injection de matière plastique des endroits minces (20) en forme d'arc
    - qui sont situés sur le cercle centré des points faibles (6),
    - qui remplissent les espaces entre les points faibles (6), et
    - qui présentent une épaisseur de matière qui est à tel point supérieure à l'épaisseur de matière des points faibles (6) qu'ils ne se déchirent ou ne se brisent pas sous la pression de liquide, contrairement aux points faibles (6).
  12. Capsule selon la revendication 11, caractérisée en ce que de deux à huit, en particulier quatre, points faibles (6) sont disposés à distances égales sur le cercle, et les espaces de cercle entre les points faibles sont remplis par le même nombre de points minces en forme d'arc (20).
  13. Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que les points faibles (6) présentent la forme d'un triangle, d'une ondulation, d'une ou de plusieurs pointes, d'un ovale, d'un U ou d'un V.
EP18716094.0A 2017-06-07 2018-03-23 Capsule pour la prodution de boissons Active EP3571140B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017005363.4A DE102017005363A1 (de) 2017-06-07 2017-06-07 Portionskapsel zum Herstellen eines Getränkes
PCT/EP2018/000112 WO2018224177A1 (fr) 2017-06-07 2018-03-23 Capsule pour la préparation d'une boisson

Publications (3)

Publication Number Publication Date
EP3571140A1 EP3571140A1 (fr) 2019-11-27
EP3571140B1 true EP3571140B1 (fr) 2024-07-17
EP3571140C0 EP3571140C0 (fr) 2024-07-17

Family

ID=61911506

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18716094.0A Active EP3571140B1 (fr) 2017-06-07 2018-03-23 Capsule pour la prodution de boissons

Country Status (9)

Country Link
EP (1) EP3571140B1 (fr)
CN (1) CN110546082A (fr)
CO (1) CO2019011468A2 (fr)
DE (1) DE102017005363A1 (fr)
ES (1) ES2986841T3 (fr)
MX (1) MX2019012302A (fr)
PL (1) PL3571140T3 (fr)
RU (1) RU2749230C2 (fr)
WO (1) WO2018224177A1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004001387T2 (de) * 2004-02-11 2007-07-12 I.T.A.Ca. S.R.L., Arluno Kartusche für Kaffee
PT1864917E (pt) * 2006-06-06 2008-10-08 Nestec Sa Cápsula com gotejamento reduzido
ITMI20061503A1 (it) * 2006-07-28 2008-01-29 Illycaffe Spa Perfezionamenti di capsule contenenti una sostanza in polvere da cui estrarre una bevanda,preferibilmente caffe' espresso
ITMI20070740A1 (it) * 2007-04-12 2008-10-13 Rossi Corp S R L Capsula monouso di contenimento di un essenza aromatica per la produzione di un infuso
ES2347286T3 (es) * 2007-04-18 2010-10-27 Illycaffe' S.P.A. Filtro rigido para capsulas aptas para extraer bebidas, particularmente cafe expreso.
DE102009041633A1 (de) * 2009-09-17 2011-06-01 Krüger Gmbh & Co. Kg Portionskapsel und Verwendung einer Portionskapsel
KR102047559B1 (ko) * 2011-03-28 2019-11-21 인터컨티넨탈 그레이트 브랜즈 엘엘씨 음료 카트리지 및 필터 요소
CH709296B1 (de) * 2014-02-21 2022-08-15 Delica Ag Kapsel mit einem vorzugsweise rotationssymmetrisch ausgebildeten Kapselkörper.
WO2016016819A1 (fr) * 2014-07-31 2016-02-04 Caffitaly System S.P.A. Filtre pour capsules pour la préparation de café expresso et capsule pour la préparation du café expresso
WO2016079701A1 (fr) * 2014-11-19 2016-05-26 Coswell S.P.A. Capsule pour distribuer des boissons et son procédé de fabrication
WO2016085361A1 (fr) * 2014-11-24 2016-06-02 Teixeira E Silva Cardoso Paulo Alexandre Capsule monodose, système et procédé de préparation de produits alimentaires à l'aide de ladite capsule monodose
DE102015011787A1 (de) * 2015-09-16 2017-03-16 Georg Menshen Gmbh & Co. Kg Portionskapsel zum Herstellen eines Getränkes
ITUB20155389A1 (it) * 2015-11-09 2017-05-09 Sarong Spa Capsula per bevande

Also Published As

Publication number Publication date
ES2986841T3 (es) 2024-11-12
EP3571140A1 (fr) 2019-11-27
RU2019130380A (ru) 2021-03-26
BR112019019968A2 (pt) 2020-04-28
CN110546082A (zh) 2019-12-06
CO2019011468A2 (es) 2020-02-28
DE102017005363A1 (de) 2018-12-13
RU2019130380A3 (fr) 2021-03-26
MX2019012302A (es) 2020-01-13
RU2749230C2 (ru) 2021-06-07
WO2018224177A1 (fr) 2018-12-13
PL3571140T3 (pl) 2024-11-25
EP3571140C0 (fr) 2024-07-17

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