EP2133285B1 - Emballage pour une portion de produit destiné à la préparation d'une boisson - Google Patents

Emballage pour une portion de produit destiné à la préparation d'une boisson Download PDF

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Publication number
EP2133285B1
EP2133285B1 EP08010488A EP08010488A EP2133285B1 EP 2133285 B1 EP2133285 B1 EP 2133285B1 EP 08010488 A EP08010488 A EP 08010488A EP 08010488 A EP08010488 A EP 08010488A EP 2133285 B1 EP2133285 B1 EP 2133285B1
Authority
EP
European Patent Office
Prior art keywords
membrane
container
packing according
flap
portion packing
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.)
Not-in-force
Application number
EP08010488A
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German (de)
English (en)
Other versions
EP2133285A1 (fr
Inventor
Frank Féron
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.)
Inde Plastik Betriebsgesellschaft mbH
Original Assignee
Inde Plastik Betriebsgesellschaft mbH
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 Inde Plastik Betriebsgesellschaft mbH filed Critical Inde Plastik Betriebsgesellschaft mbH
Priority to AT08010488T priority Critical patent/ATE501959T1/de
Priority to PT08010488T priority patent/PT2133285E/pt
Priority to DE502008002878T priority patent/DE502008002878D1/de
Priority to EP08010488A priority patent/EP2133285B1/fr
Priority to ES08010488T priority patent/ES2363261T3/es
Publication of EP2133285A1 publication Critical patent/EP2133285A1/fr
Application granted granted Critical
Publication of EP2133285B1 publication Critical patent/EP2133285B1/fr
Not-in-force 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
    • B65D85/8055—Means for influencing the liquid flow inside the package

Definitions

  • the present invention relates to a closed sachet with a container containing a substance used for the preparation of a beverage, in particular of coffee, and having a bottom, a side wall and a lid, wherein the bottom for introducing an extraction fluid into the container and the lid is intended to be opened by mechanical means and / or the pressure of the extraction fluid, and wherein the container is provided in the region of the bottom with a device which ensures the retention of substance in the container when opening the bottom to introduce the extraction fluid.
  • Such a closed portion package is from the EP 1 190 959 A1 known.
  • the known sachet containing, for example, a soluble coffee substance is introduced, for example, in an espresso machine.
  • the bottom of the package is then opened via a special opening mechanism, for example by embossing holes in the bottom, and it becomes an extraction fluid, For example, water / steam, introduced under high pressure through the holes in the container.
  • the coffee substance in the container dissolves in the extraction fluid, and the lid of the package is torn open by the pressure of the extraction fluid.
  • the escaping coffee is then collected from a drinking vessel.
  • the known sachet is provided on the inside of its bottom with a device which ensures the retention of coffee substance in the container when opening the bottom to introduce the Extrakionsfluides.
  • this device prevents coffee substance present in the container from escaping through the holes formed in the bottom and can get into the coffee machine or espresso machine and contaminate it.
  • the aforementioned means is a fabric sheet which can be pierced by the opening mechanism for the bottom of the package (thorns, etc.) and after the retraction of the opening mechanism resumes its original shape, so that leakage of the coffee substance from the bottom holes is prevented .
  • the tissue film is partially destroyed and thus is no longer able to prevent the substance from escaping.
  • the fabric film, after making the holes in the floor and retracting the opening mechanism will not completely resume its original shape, leaving free spaces through which substance can escape from the floor. An impurity of the corresponding beverage machines can therefore not be completely excluded even with this solution.
  • the present invention has for its object to provide a closed portion package of the type described above, which works particularly well with respect to the retention of substance in the container when opening the soil for the introduction of the extraction fluid.
  • the device has at least one provided with at least one flap valve membrane, wherein the flap valve opens at a predetermined pressure of the extraction fluid and at least almost completely closes again when falling below this pressure.
  • the solution according to the invention uses at least one membrane provided with at least one flap valve, ie a genuine valve mechanism. which opens depending on the pressure of the extraction fluid and at least almost completely closes again. Due to the resilience properties of the flap a rapid and complete or at least almost complete closing of the valve and thus the membrane opening is achieved at pressure drop, whereby no substance or substance mixed with extraction fluid penetrate the membrane and emerge from the bottom of the sachet can.
  • the at least one flap valve opens when the extraction fluid flows under pressure into the pack, and closes again when the corresponding opening pressure is exceeded or no pressure is present.
  • the flap valve is formed by cuts in the membrane and formation of a flap-shaped membrane portion.
  • the membrane has a plurality of flapper valves.
  • the corresponding cuts or cuts may have a variety of arrangements, so that a different number of flaps with different shapes can be formed.
  • a single valve flap is provided in a membrane.
  • a plurality of valve flaps are formed over the membrane surface, wherein the valve flaps are preferably arranged in a regular pattern.
  • the at least one flapper valve can also be arranged in the membrane such that a targeted flow direction of the extraction fluid into the interior of the container results. For example, eddy currents can be generated in this way instead of laminar flows.
  • the flap-shaped membrane portion which forms the valve flap connected at its extending in the circumferential direction and / or radial direction side with the remaining part of the membrane.
  • the flap-shaped membrane portion either protrudes tongue-shaped inwards (to the center of the membrane) or is attached laterally, so that the Flap extends in the circumferential direction.
  • the size and number of flaps are variable and can be adapted to the particular circumstances. Importantly, good springback properties are achieved, which depend on the size and number of flaps, the hardness of the material of the membrane and the thickness of the material of the membrane.
  • this may have a weakening line or points of weakness or cuts in the connection region with the remaining part of the membrane.
  • the membrane provided according to the invention is preferably arranged inside the container and adjacent to the bottom thereof. It is attached to the container, for example via a suitable seal. According to a particularly preferred embodiment of the invention, the membrane is attached to the container so that it rests against the bottom in the closed state of the soil and when opened by the soil exerted by the extraction fluid pressure and / or the opening mechanism in a raised position from the ground. It therefore forms in this embodiment in the use state of the pack when opening the bottom of a chamber between the membrane and the bottom, which provides further security against leakage of the substance from the bottom of the pack in the corresponding machine. Should substance penetrate through the membrane despite the rapid closing of the flap valve provided in the membrane, it will be collected by the additional chamber formed and does not enter the machine directly through the holes in the floor.
  • an embodiment is suitable in which the membrane is fastened to the container in the region of its outer edge, in particular sealed thereto.
  • a plurality of membranes are arranged one above the other.
  • the flap valves of the superimposed membranes are arranged offset from one another, so that in this case the extraction fluid must flow obliquely through the membranes, but also the substance can penetrate only obliquely through the flap openings, whereby the sealing effect is further improved.
  • the material for the membrane and thus for the at least one flap valve so finds in particular a hard material, in particular metal, especially aluminum, in the hard state or intermediate hard state, use. These materials guarantee a particularly good and rapid springback behavior of the flap-shaped membrane sections.
  • Aluminum alloys are particularly preferred materials. If the membrane consists of a metal, then a membrane thickness of in particular 15 ⁇ m to 150 ⁇ m, preferably of 30 ⁇ m to 80 ⁇ m, is used.
  • the membrane can be painted or laminated sealable on one or both sides.
  • Another suitable material for the membrane is plastic.
  • PC, PET, PA or PVC or combinations thereof are used, the thickness of the membrane in this case preferably being between 30 and 300 ⁇ m.
  • the above-mentioned line-shaped or point-shaped weakening regions for supporting the flap function may also be incisions in the membrane. Furthermore, such weakening regions can also be arranged, for example, in the edge region of the membrane, for example in the form of circumferentially extending and spaced incisions, in order to assist in lifting the membrane from the bottom when pressurized.
  • the invention is not limited to specific forms.
  • FIG. 1 shows the container 1 a closed sachet containing a serving for the preparation of a beverage, in particular coffee, substance, wherein the substance is not shown.
  • the container 1 is formed capsule-shaped or cup-shaped and has a bottom 2, a side wall 14 and extending beyond the side wall 14 addition 3. Overall, the container 1 has approximately the shape of a truncated cone, the bottom 2 an outer conical area and a central planar region 5.
  • the lid 3 is suitably connected to the side wall, for example by sealing.
  • the container is made of aluminum.
  • a membrane 6 made of a suitable aluminum alloy, which rests against the inside of the bottom 2 of the container 1.
  • This membrane 6 is circular and in its outer edge region attached to the bottom 2 and the side wall 14 of the container, for example, also via a suitable seal. This seal is preferably formed around the entire circumference of the membrane.
  • a suitable mechanism of the machine shown at 8 penetrates the conical region 4 of the bottom 2 of the container and forms holes there for introducing a pressurized extraction fluid (water / water vapor) ) in order to dissolve the substance located inside the sachet, to open or tear open the lid 3 of the container, if necessary by supporting mechanical devices, and to dispense the dissolved substance (coffee) into a drinking vessel.
  • a pressurized extraction fluid water / water vapor
  • FIG. 2 is introduced by the introduction of the mechanism 8 and the increased pressure of the extraction fluid, the membrane 6 from the bottom 2 of the container 1 and in the in FIG. 2 shown position brought. In this way, a second chamber is formed below the substance receiving chamber.
  • the membrane 6 has the task of acting as a valve mechanism and to prevent the substance contained in the sachet or a mixture of the substance and the extraction fluid opposite to the direction of insertion of the extraction fluid from those formed in the bottom 2 of the container 1 by the mechanism 8 Leak holes and thus can contaminate the corresponding machine.
  • the membrane 6, which, as mentioned, is formed from a foil of a hard aluminum alloy, at least one Flap valve, which opens at a certain pressure of the extraction fluid and thus allows introduction of the extraction fluid into the container and closes quickly when falling below this pressure, so that no substance can escape through the still open flap from the container.
  • the membrane 6 has five flaps 7, which are formed by cuts in the membrane, as in 11 in FIG.
  • FIG. 3 is a plan view of the container of FIG. 1 with the lid removed. It can be seen that in this case the flaps 7 are approximately trapezoidal. In FIG. 3 are shown with thick lines, the incisions 11, while with thin lines, the line connecting the flap 7 is shown with the remaining part of the membrane. Further, at 12 further cuts or lines of weakness are shown, which promote the folding movement of the flaps 7 about the connecting lines.
  • the membrane and flaps are made of a hard material with springback properties, a fast and almost complete closing of the flaps is ensured.
  • FIG. 5-13 show further embodiments of membranes 6, which are provided with differently shaped flaps 7.
  • membrane corresponds to in FIG. 3 shown membrane.
  • the membrane has 5 flaps 7, which are approximately trapezoidal and are connected along an approximately radial line 10 (connecting line) with the remaining part of the membrane.
  • flaps 7 are provided, which are approximately triangular in shape.
  • the flaps are connected via connecting lines 10 which extend in the circumferential direction, with the remaining part of the membrane, said connecting lines act as a hinge.
  • the corresponding cuts in the membrane are shown at 11, so that, as mentioned, triangular or tongue-shaped flaps arise.
  • FIG. 7 illustrated embodiment meet each five incisions 11 at a common point, so that a star-shaped structure is formed.
  • five small triangular flaps 7 are formed, which unfold around corresponding connecting lines which connect the starting points of two adjacent incisions 11 with each other.
  • the embodiment of the FIG. 7 nine such star-shaped structures, so that a total of 45 flaps are available.
  • ten flaps are provided, which are arranged in the circumferential direction in the outer edge region.
  • FIG. 9 are in addition to the embodiment of FIG. 8 further flaps arranged in the inner region of the membrane.
  • FIG. 10 shows a membrane with a plurality of triangular flaps, which are formed by V-shaped grooves 11. In this case, in pairs, the tips of the flaps face each other or away from each other.
  • FIG. 11 shows an embodiment in which triangular flaps are arranged in the outer region of the membrane and point with their tips radially inward. Furthermore, there are five flaps in the interior, which point radially outwards with their tips.
  • FIG. 12 corresponds substantially to the embodiment of the FIG. 9 , wherein here in the outer region of the membrane in the circumferential direction extending and spaced apart incisions 13 are arranged, which promote the lifting of the membrane from the bottom in the use of the package.
  • FIG. 13 shows an embodiment with edge notches 13, wherein the flaps those of FIG. 7 correspond.
  • FIG. 4 shows such an embodiment in which two membranes 6 and 9 are arranged one above the other and rest in the normal state on the inside of the bottom 2 of the container 1.
  • the flaps of the two membranes 6, 9 are offset from each other, so that in this way the leakage of substance is even better prevented.

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

Claims (12)

  1. Emballage fermé en portion, comprenant un récipient (1), qui contient une substance servant à produire une boisson, en particulier du café, et qui présente un fond (2), une paroi latérale (14) et un couvercle (3), dans lequel le fond sert à introduire unfluided'extractiondanslerécipientetlecouvercle est destiné à être ouvert par des dispositifs mécaniques et/ou par la pression du fluide d'extraction et dans lequel le récipient est pourvu, dans la zone du fond, d'un dispositif qui garantit la retenue de la substance dans le récipient lorsque le fond est ouvert pour introduire le fluide d'extraction, caractérisé en ce que le dispositif présente au moins une membrane (6, 9) dotée d'au moins un clapet, dans lequel le clapet s'ouvre à une pression prédéfinie du fluide d'extraction et se ferme au moins presque totalement en dessous de cette pression.
  2. Emballage en portion selon la revendication 1, caractérisé en ce que le clapet est formé par des entailles (11) dans la membrane (6, 9) et par la formation d'une section de membrane (7) en forme de clapet.
  3. Emballage en portion selon la revendication 1 ou 2, caractérisé en ce que la membrane (6, 9) présente une pluralité de clapets.
  4. Emballage en portion selon la revendication 2 ou 3, caractérisé en ce que la section de membrane (7) en formedeclapetestraccordé(lignederaccordement 10), sur son côté s'étendant dans la direction périphérique et/ou dans la direction radiale, à la partie restante de la membrane (6, 9).
  5. Emballage en portion selon la revendication 4, caractérisé en ce que la section de membrane (7) en forme de clapet présente, dans la zone de raccordement avec la partie restante de la membrane (6, 9), une ligne ou des points d'affaiblissement ou encore des entailles.
  6. Emballage en portion selon l'une quelconque des revendications précédentes, caractérisé en ce que la membrane (6, 9) est fixée sur le récipient (1) de sorte qu'elle s'applique à l'état fermé du fond (2) sur celui-ci et qu'elle parvienne, lors de l'ouverture du fond (2) par le mécanisme d'ouverture et/ou par la pression exercée par le fluide d'extraction, dans une position décollée du fond (2).
  7. Emballage en portion selon la revendication 6, caractérisé en ce que la membrane (6, 9) est fixée, en particulier scellée, dans la zone de son bord externe sur le récipient (1).
  8. Emballage en portion selon l'une quelconque des revendications précédentes, caractérisé en ce que plusieurs membranes (6, 9) sont superposées.
  9. Emballage en portion selon la revendication 8, caractérisé en ce que les clapets des membranes superposées (6, 9) sont agencés en décalage mutuel.
  10. Emballage en portion selon l'une quelconque des revendications précédentes, caractérisé en ce que le au moins un clapet est agencé dans la membrane (6, 9) de manière à obtenir une direction découlement visée du fluide d'extraction à l'intérieur du récipient (1).
  11. Emballage en portion selon l'une quelconque des revendications précédentes, caractérisé en ce que la membrane (6, 9) est constituée d'un matériau dur, en particulier d'un métal dur tel que l'aluminium dur.
  12. Emballage en portion selon l'une quelconque des revendications précédentes, caractérisé en ce que le fond (2) du récipient (1) se présente sous une forme en tronc de cône.
EP08010488A 2008-06-10 2008-06-10 Emballage pour une portion de produit destiné à la préparation d'une boisson Not-in-force EP2133285B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT08010488T ATE501959T1 (de) 2008-06-10 2008-06-10 Portionspackung zur getränkezubereitung
PT08010488T PT2133285E (pt) 2008-06-10 2008-06-10 Embalagem para uma dose de produto destinado à preparação de uma bebida
DE502008002878T DE502008002878D1 (de) 2008-06-10 2008-06-10 Portionspackung zur Getränkezubereitung
EP08010488A EP2133285B1 (fr) 2008-06-10 2008-06-10 Emballage pour une portion de produit destiné à la préparation d'une boisson
ES08010488T ES2363261T3 (es) 2008-06-10 2008-06-10 Envase de porción para la preparación de bebidas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08010488A EP2133285B1 (fr) 2008-06-10 2008-06-10 Emballage pour une portion de produit destiné à la préparation d'une boisson

Publications (2)

Publication Number Publication Date
EP2133285A1 EP2133285A1 (fr) 2009-12-16
EP2133285B1 true EP2133285B1 (fr) 2011-03-16

Family

ID=39926701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08010488A Not-in-force EP2133285B1 (fr) 2008-06-10 2008-06-10 Emballage pour une portion de produit destiné à la préparation d'une boisson

Country Status (5)

Country Link
EP (1) EP2133285B1 (fr)
AT (1) ATE501959T1 (fr)
DE (1) DE502008002878D1 (fr)
ES (1) ES2363261T3 (fr)
PT (1) PT2133285E (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2667758B1 (fr) * 2011-01-24 2015-09-09 Nestec S.A. Capsule et procédé permettant la préparation d'une boisson par centrifugation
DE102011123025B3 (de) 2011-03-14 2021-08-12 Gerrit Sonnenrein Haushaltsgerät zur portionsweisen Karbonisierung und Aromatisierung von Wasser und Verfahren zur portionsweisen Herstellung von wasserbasierten karbonisierten Postmix-Getränken zum direkten Verbrauch
DE102011001252A1 (de) 2011-03-14 2012-09-20 Biologic Gmbh Verfahren zur portionsweisen Herstellung von wasserbasierten karbonisierten Postmix-Getränken zum direkten Verbrauch, Getränkekapsel sowie ein Haushaltsgerät zur portionsweisen Karbonisierung und Aromatisierung von Wasser
AU2012356914C1 (en) 2011-12-21 2017-08-17 Delica Ag Capsule, system and method for preparing a beverage
ES2629178T3 (es) * 2012-09-05 2017-08-07 Nestec S.A. Cápsula de bebida con membrana antigoteo
ES2446641B1 (es) * 2012-09-06 2015-02-03 Francisco NAVARRO ALCÁNTARA Contenedor para la preparación de una bebida bajo la presión de un fluido.
ITVR20130276A1 (it) 2013-12-11 2015-06-12 Caffita System Spa Capsula per la preparazione di bevande
CH709597A2 (de) * 2014-05-06 2015-11-13 Delica Ag Kapsel für Getränkzubereitung.
ES2555631B2 (es) * 2015-06-26 2016-08-09 Cocatech, S.L.U. Cápsula de preparación de bebida alimenticia con sistema de salida controlado
ITUB20161103A1 (it) * 2016-02-26 2017-08-26 Gruppo Gimoka S R L Capsula per la preparazione di bevande
IT201700073146A1 (it) * 2017-06-29 2018-12-29 Rdl S R L Capsula monodose per prodotti in polvere o semiliquidi

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4077551A (en) * 1976-02-13 1978-03-07 Adriana Manaresi Container with bottom sealing disk which becomes a deformable member on discharge
ES2216791T3 (es) * 2000-09-26 2004-11-01 Societe Des Produits Nestle S.A. Cartucho cerrado para la confeccion de una bebida, prevista para estraerse por presion.
DE60104811T2 (de) * 2001-03-23 2005-09-01 Société des Produits Nestlé S.A. Kapsel und Verfahren zum Zubereiten von Heissgetränken und eine solche Kapsel verwendender Apparat

Also Published As

Publication number Publication date
PT2133285E (pt) 2011-06-29
DE502008002878D1 (de) 2011-04-28
EP2133285A1 (fr) 2009-12-16
ES2363261T3 (es) 2011-07-28
ATE501959T1 (de) 2011-04-15

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