EP0806373A1 - Closed cardtridge with zones of lesser thickness - Google Patents

Closed cardtridge with zones of lesser thickness Download PDF

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Publication number
EP0806373A1
EP0806373A1 EP96201250A EP96201250A EP0806373A1 EP 0806373 A1 EP0806373 A1 EP 0806373A1 EP 96201250 A EP96201250 A EP 96201250A EP 96201250 A EP96201250 A EP 96201250A EP 0806373 A1 EP0806373 A1 EP 0806373A1
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EP
European Patent Office
Prior art keywords
cup
thickness
zones
cartridge according
microns
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.)
Granted
Application number
EP96201250A
Other languages
German (de)
French (fr)
Other versions
EP0806373B1 (en
Inventor
Alfred Yoakim
Jacques Schaeffer
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.)
Societe des Produits Nestle SA
Nestle SA
Original Assignee
Societe des Produits Nestle SA
Nestle SA
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
Priority to AT96201250T priority Critical patent/ATE205158T1/en
Application filed by Societe des Produits Nestle SA, Nestle SA filed Critical Societe des Produits Nestle SA
Priority to DE69615001T priority patent/DE69615001T2/en
Priority to PT96201250T priority patent/PT806373E/en
Priority to EP96201250A priority patent/EP0806373B1/en
Priority to SI9630350T priority patent/SI0806373T1/en
Priority to ES96201250T priority patent/ES2161964T3/en
Priority to US08/820,875 priority patent/US5948455A/en
Priority to JP9119137A priority patent/JPH1043055A/en
Publication of EP0806373A1 publication Critical patent/EP0806373A1/en
Application granted granted Critical
Publication of EP0806373B1 publication Critical patent/EP0806373B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D85/8046—Pods, i.e. closed containers made only of filter paper or similar material

Definitions

  • the invention relates to a closed cartridge, intended to be extracted under pressure, containing a substance for the preparation of a drink, comprising a cup with a bottom and a side wall having substantially the shape of an inverted truncated cone and a rim. circular with a diameter greater than the bottom, and a seal welded to the periphery of the rim of the cup, the bottom of the cup having areas of reduced thickness intended to promote the opening of the cartridge during extraction.
  • Patent EP 521,510 already relates to a packaging in the form of a closed rigid cartridge containing a substance for making a drink and comprising areas of reduced thickness.
  • the disadvantage of this cartridge is that it requires, during its extraction, the presence, under the lower face having the zones of reduced thickness, of projecting elements.
  • the fact of providing these salient elements has a double disadvantage: on the one hand, this system increases the price and on the other hand, the tips become dull and it is mandatory to control their effectiveness over time.
  • the object of the present invention is to develop a cartridge having zones of weakness so that it can be extracted without any protruding element.
  • the invention relates to a closed cartridge according to the preamble of claim 1, in which the cup is made of aluminum or an aluminum-based alloy and the zones of reduced thickness are produced by shearing and are in the form of arcs of concentric circles of the same radius, concentric arcs of different radii, a spiral, substantially sinusoidal sections or radial segments.
  • aluminum alloy in the present description a mixture comprising at least 90% aluminum and a second metallic component chosen from the group consisting of iron, silicon, manganese, magnesium, chromium, copper, zinc and others.
  • the cartridge is filled with a substance for the preparation of a drink.
  • This substance is preferably roasted and ground coffee, but can also be tea, soluble coffee, a mixture of ground coffee and soluble coffee, a chocolate product or any other edible dehydrated substance.
  • the cover should be flexible and slightly stretchy to facilitate perforation.
  • the cover has a thickness less than that of the cup, for example between 20 and 60 microns.
  • the cup must have a certain rigidity, for example when it is handled by the consumer. It therefore has a thickness of between 50 and 150 microns, more preferably between 70 and 100 microns.
  • this support is compulsory for controlling the opening so that the filter function is well fulfilled during the opening of said cartridge.
  • the cartridge contains roasted and ground coffee.
  • the coffee is placed in the cartridge either as it is, packed or compacted.
  • packed is meant compression under a pressure of the order of a few hundred kilograms.
  • compacted is meant compression under a pressure of the order of a few tonnes.
  • the coffee in the cartridge is preferably packed.
  • thin areas with variable thicknesses can be provided along said areas: for example, a residual thickness of 40 microns which varies up to 60 microns can be provided.
  • the opening will first be done on the 40 micron zone and will continue along the line towards the higher thickness. This also allows self-regulation of the extraction pressure.
  • the second possibility to facilitate opening is to provide on the start of the less thick area a start-up, for example by a notch with a residual thickness of 40 microns, while the rest of the zone is at 50 microns.
  • the closed cartridge according to the invention is made of a cup made of an aluminum alloy having a thickness of the order of 85 microns and having thinner zones in the form of concentric arcs with the same radius of thickness between 40 and 50 microns. If you operate with a coffee machine rising to 12 bar, you can extract a 120 ml cup in 50 seconds, without any grounds.
  • the cartridge consists of a cup (1) consisting of a bottom (2), a side wall (3) and a flange (4), as well as a cover (5).
  • the cup and the cover are made of an aluminum alloy, the cup having a thickness of 85 microns and the cover of 60 microns.
  • the lid is heat sealed on the rim (4) of the cup.
  • the bottom (2) of the cup has three zones (6) of lesser thickness in the form of arcs of a circle. As already mentioned above, these zones are obtained by shearing using stamping presses.
  • the cartridge contains ground coffee and roasted (7). During extraction, the opening of the zones (6) allows the coffee extracts to pass, but also guarantees good retention of the coffee grounds.
  • the residual thickness in the zones (6) is 40 microns.
  • the advantage of this arrangement lies in the fact that during the extraction, it is first the areas closer to the center, namely (10) which will open.
  • FIG. 4 there is a bottom (11) having a zone (12) in the form of a spiral.
  • FIG. 5 shows a cup bottom (13) having zones of reduced thickness (14) of substantially sinusoidal shape.
  • Figure 6 shows a cup bottom (16) having thinner zones (17) in the form of radial segments.
  • FIG. 7 finally represents an enlargement in section of the place of lesser thickness obtained by shearing.
  • the part (15) has a residual thickness of 40 microns.
  • the distance A is between 0.2 and 1 mm.
  • a cartridge of relatively simple design is available according to the invention, making it possible to extract with a cartridge holder of specific design and making it possible to prepare an espresso type coffee, that is to say with a pressure rise of around 10 bar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Air Bags (AREA)
  • Packaging For Recording Disks (AREA)
  • Inert Electrodes (AREA)
  • Tea And Coffee (AREA)

Abstract

The sealed cup, designed to contain a substance used to prepare a drink, e.g. ground coffee, has a flat base (2), conical sides (3) with an upper rim (4), and a lid (5) sealed to the rim. The cup is made from aluminium or an aluminium-based alloy e.g. of iron, silicium, manganese, magnesium, chrome, copper or zinc, with the aluminium content at least 90 per cent. The base of the cup has zones of reduced resistance, created by scored lines in the shape of concentric circular arcs of the same or different radii, a spiral, wavy lines or radial segments. The zones of reduced resistance have a thickness equivalent to half that of the main surfaces, which are between 50 and 150 microns thick, with the lid of thinner material.

Description

L'invention concerne une cartouche fermée, prévue pour être extraite sous pression, contenant une substance pour la préparation d'une boisson, comprenant une coupelle avec un fond et une paroi latérale ayant sensiblement la forme d'un tronc de cône inversé et un rebord circulaire de diamètre supérieur au fond, et un opercule soudé sur le pourtour du rebord de la coupelle, le fond de la coupelle comportant des zones de moindre épaisseur destinées à favoriser l'ouverture de la cartouche lors de l'extraction.The invention relates to a closed cartridge, intended to be extracted under pressure, containing a substance for the preparation of a drink, comprising a cup with a bottom and a side wall having substantially the shape of an inverted truncated cone and a rim. circular with a diameter greater than the bottom, and a seal welded to the periphery of the rim of the cup, the bottom of the cup having areas of reduced thickness intended to promote the opening of the cartridge during extraction.

Le brevet EP 521'510 concerne déjà un emballage sous forme de cartouche rigide fermée contenant une substance pour la confection d'une boisson et comportant des zones de moindre épaisseur. L'inconvénient de cette cartouche est qu'elle nécessite, lors de son extraction, la présence, sous la face inférieure présentant les zones de moindre épaisseur, d'éléments saillants. Le fait de prévoir ces éléments saillants a un double inconvénient : d'une part, ce système renchérit le prix et d'autre part, les pointes s'émoussent et il est obligatoire d'en contrôler l'efficacité dans le temps.Patent EP 521,510 already relates to a packaging in the form of a closed rigid cartridge containing a substance for making a drink and comprising areas of reduced thickness. The disadvantage of this cartridge is that it requires, during its extraction, the presence, under the lower face having the zones of reduced thickness, of projecting elements. The fact of providing these salient elements has a double disadvantage: on the one hand, this system increases the price and on the other hand, the tips become dull and it is mandatory to control their effectiveness over time.

Le but de la présente invention est de mettre au point une cartouche présentant des zones d'affaiblissement de manière à pouvoir être extraite sans aucun élément saillant.The object of the present invention is to develop a cartridge having zones of weakness so that it can be extracted without any protruding element.

L'invention concerne une cartouche fermée selon le préambule de la revendication 1, dans laquelle la coupelle est en aluminium ou un alliage à base d'aluminium et les zones de moindre épaisseur sont produites par cisaillement et se présentent sous la forme d'arcs de cercle concentriques de même rayon, d'arcs de cercle concentriques de rayons différents, d'une spirale, de tronçons sensiblement sinusoïdaux ou de segments radiaux.The invention relates to a closed cartridge according to the preamble of claim 1, in which the cup is made of aluminum or an aluminum-based alloy and the zones of reduced thickness are produced by shearing and are in the form of arcs of concentric circles of the same radius, concentric arcs of different radii, a spiral, substantially sinusoidal sections or radial segments.

Par alliage d'aluminium, on entend dans la présente description un mélange comprenant au moins 90 % d'aluminium et un second composant métallique choisi dans le groupe constitué par le fer, silicium, manganèse, magnésium, chrome, cuivre, zinc et autres.By aluminum alloy is meant in the present description a mixture comprising at least 90% aluminum and a second metallic component chosen from the group consisting of iron, silicon, manganese, magnesium, chromium, copper, zinc and others.

La cartouche est remplie d'une substance pour la préparation d'une boisson. Cette substance est de préférence du café torréfié et moulu, mais peut être aussi du thé, du café soluble, un mélange de café moulu et de café soluble, un produit chocolaté ou toute autre substance comestible déshydratée.The cartridge is filled with a substance for the preparation of a drink. This substance is preferably roasted and ground coffee, but can also be tea, soluble coffee, a mixture of ground coffee and soluble coffee, a chocolate product or any other edible dehydrated substance.

L'intérêt de disposer d'une telle cartouche est qu'on la place dans son porte-cartouche, pourvue d'un support présentant des ouvertures pour permettre l'écoulement du café, et lors de l'extraction le simple fait d'avoir une montée en pression dans la cartouche permet l'ouverture dans les zones de moindre épaisseur. Il est bien entendu que ces zones de moindre épaisseur doivent avoir une géométrie spécifique et, pour le matériau considéré, doivent avoir l'épaisseur résiduelle adéquate. On a constaté lors d'essais qu'on arrivait à une bonne extraction avec des zones de moindre épaisseur ayant une épaisseur sensiblement moitié de celle de départ. Il n'est pas du tout utile d'avoir un filtre à l'intérieur de la cartouche, car l'ouverture le long de lignes d'affaiblissement est telle qu'elle garantit cette fonctionalité. Il y a une retenue du marc de café par une ouverture contrôlée de la cartouche.The advantage of having such a cartridge is that it is placed in its cartridge holder, provided with a support having openings to allow the flow of coffee, and during extraction the simple fact of having a pressure build-up in the cartridge allows opening in thinner areas. It is understood that these thinner zones must have a specific geometry and, for the material considered, must have the appropriate residual thickness. It has been observed during tests that good extraction is achieved with thinner zones having a thickness substantially half that of the starting material. It is not at all useful to have a filter inside the cartridge, since the opening along lines of weakness is such that it guarantees this functionality. Coffee grounds are retained by a controlled opening of the cartridge.

Il est important que les zones d'affaiblissement soient créés par cisaillement et non par poinçonnage.It is important that the weakening zones are created by shearing and not by punching.

L'opercule doit être souple et légèrement extensible pour faciliter la perforation. L'opercule a une épaisseur moindre que celle de la coupelle, par exemple comprise entre 20 et 60 microns.The cover should be flexible and slightly stretchy to facilitate perforation. The cover has a thickness less than that of the cup, for example between 20 and 60 microns.

La coupelle doit présenter une certaine rigidité, par exemple lors de sa manipulation par le consommateur. Elle a donc une épaisseur comprise entre 50 et 150 microns, plus préférablement entre 70 et 100 microns.The cup must have a certain rigidity, for example when it is handled by the consumer. It therefore has a thickness of between 50 and 150 microns, more preferably between 70 and 100 microns.

Il est bien entendu qu'il faut prévoir un porte-cartouche sur le fond duquel repose la face pourvue des zones de moindre épaisseur : ce support est obligatoire pour contrôler l'ouverture de manière à ce que la fonction de filtre soit bien remplie lors de l'ouverture de ladite cartouche.It is understood that it is necessary to provide a cartridge holder on the bottom of which rests the face provided with the zones of thinner thickness: this support is compulsory for controlling the opening so that the filter function is well fulfilled during the opening of said cartridge.

De manière préférentielle, la cartouche contient du café rôti et moulu. Le café est disposé dans la cartouche soit tel quel, soit tassé, soit compacté. Par tassé, on entend une compression sous une pression de l'ordre de quelques centaines de kilogrammes. Par compacté, on entend une compression sous une pression de l'ordre de quelques tonnes. Le café de la cartouche est de préférence tassé.Preferably, the cartridge contains roasted and ground coffee. The coffee is placed in the cartridge either as it is, packed or compacted. By packed is meant compression under a pressure of the order of a few hundred kilograms. By compacted is meant compression under a pressure of the order of a few tonnes. The coffee in the cartridge is preferably packed.

Pour faciliter l'ouverture de la cartouche, on peut prévoir des zones de moindre épaisseur ayant des épaisseurs variables le long desdites zones : par exemple, on peut prévoir une épaisseur résiduelle de 40 microns qui varie jusqu'à 60 microns. L'ouverture se fera d'abord sur la zone de 40 microns et continuera le long de la ligne vers l'épaisseur plus élevée. Ceci permet également une autorégulation de la pression d'extraction.To facilitate the opening of the cartridge, thin areas with variable thicknesses can be provided along said areas: for example, a residual thickness of 40 microns which varies up to 60 microns can be provided. The opening will first be done on the 40 micron zone and will continue along the line towards the higher thickness. This also allows self-regulation of the extraction pressure.

La seconde possibilité pour faciliter l'ouverture est de prévoir sur le départ de la zone de moindre épaisseur une amorce de démarrage, par exemple par une entaille avec épaisseur résiduelle de 40 microns, alors que le reste de la zone est à 50 microns.The second possibility to facilitate opening is to provide on the start of the less thick area a start-up, for example by a notch with a residual thickness of 40 microns, while the rest of the zone is at 50 microns.

Dans une forme de réalisation concrète, la cartouche fermée selon l'invention est faite d'une coupelle en un alliage d'aluminium ayant une épaisseur de l'ordre de 85 microns et présentant des zones de moindre épaisseur sous la forme d'arcs concentriques de même rayon d'épaisseur comprise entre 40 et 50 microns. Si on opère avec une machine à café montant à 12 bar, on arrive à extraire une tasse de 120 ml en 50 secondes, sans aucun passage de marc.In a concrete embodiment, the closed cartridge according to the invention is made of a cup made of an aluminum alloy having a thickness of the order of 85 microns and having thinner zones in the form of concentric arcs with the same radius of thickness between 40 and 50 microns. If you operate with a coffee machine rising to 12 bar, you can extract a 120 ml cup in 50 seconds, without any grounds.

La suite de la description est faite en référence aux dessins, sur lesquels

  • Fig. 1 est une coupe schématique médiane d'une cartouche selon l'invention,
  • Fig. 2 est une coupe selon A-A de la figure 1,
  • Fig. 3, 4, 5 et 6 sont des coupes analogues à celle de la figure 2, mais montrant des géométries différentes des zones de moindre épaisseur et
  • Fig. 7 est une coupe selon B-B à l'emplacement d'un point de moindre épaisseur.
The following description is made with reference to the drawings, on which
  • Fig. 1 is a schematic median section of a cartridge according to the invention,
  • Fig. 2 is a section along AA in FIG. 1,
  • Fig. 3, 4, 5 and 6 are sections similar to that of FIG. 2, but showing different geometries of the zones of lesser thickness and
  • Fig. 7 is a section along BB at the location of a point of least thickness.

En référence aux figures 1 et 2, la cartouche se compose d'une coupelle (1) constituée d'un fond (2), d'une paroi latérale (3) et d'un rebord (4), ainsi que d'un opercule (5). La coupelle et l'opercule sont en un alliage d'aluminium, la coupelle ayant une épaisseur de 85 microns et l'opercule de 60 microns. L'opercule est thermoscellé sur le rebord (4) de la coupelle. Le fond (2) de la coupelle présente trois zones (6) de moindre épaisseur sous la forme d'arcs de cercle. Comme déjà mentionné ci-dessus, ces zones sont obtenus par cisaillement à l'aide de presses d'emboutissage. La cartouche contient du café moulu et torréfié (7). Lors de l'extraction, l'ouverture des zones (6) permet aux extraits de café de passer, mais garantit également une bonne retenue du marc de café. L'épaisseur résiduelle dans les zones (6) est de 40 microns.Referring to Figures 1 and 2, the cartridge consists of a cup (1) consisting of a bottom (2), a side wall (3) and a flange (4), as well as a cover (5). The cup and the cover are made of an aluminum alloy, the cup having a thickness of 85 microns and the cover of 60 microns. The lid is heat sealed on the rim (4) of the cup. The bottom (2) of the cup has three zones (6) of lesser thickness in the form of arcs of a circle. As already mentioned above, these zones are obtained by shearing using stamping presses. The cartridge contains ground coffee and roasted (7). During extraction, the opening of the zones (6) allows the coffee extracts to pass, but also guarantees good retention of the coffee grounds. The residual thickness in the zones (6) is 40 microns.

Comme présenté sur la figure 3, on peut également prévoir des zones de moindre épaisseur sur des arcs de cercle disposés à des distances différentes du centre du fond (8) de la coupelle. On a ainsi des zones (9) et des zones (10). L'intérêt de cette disposition réside dans la fait que lors de l'extraction, c'est d'abord les zones plus proches du centre, à savoir (10) qui vont s'ouvrir.As shown in FIG. 3, it is also possible to provide zones of lesser thickness on arcs of a circle arranged at different distances from the center of the bottom (8) of the cup. There are thus zones (9) and zones (10). The advantage of this arrangement lies in the fact that during the extraction, it is first the areas closer to the center, namely (10) which will open.

Dans le cas de la figure 4, on a un fond (11) présentant une zone (12) en forme de spirale.In the case of FIG. 4, there is a bottom (11) having a zone (12) in the form of a spiral.

La figure 5 présente un fond (13) de coupelle ayant des zones de moindre épaisseur (14) de forme sensiblement sinusoïdale.FIG. 5 shows a cup bottom (13) having zones of reduced thickness (14) of substantially sinusoidal shape.

La figure 6 présente un fond (16) de coupelle ayant des zones de moindre épaisseur (17) sous la forme de segments radiaux.Figure 6 shows a cup bottom (16) having thinner zones (17) in the form of radial segments.

La figure 7 représente finalement un agrandissement en coupe de l'endroit de moindre épaisseur obtenu par cisaillement. Comme déjà mentionné ci-dessus, la partie (15) a une épaisseur résiduelle de 40 microns. La distance A est comprise entre 0,2 et 1 mm.FIG. 7 finally represents an enlargement in section of the place of lesser thickness obtained by shearing. As already mentioned above, the part (15) has a residual thickness of 40 microns. The distance A is between 0.2 and 1 mm.

On dispose selon l'invention d'une cartouche de conception relativement simple, permettant d'extraire avec un porte-cartouche de conception spécifique et permettant de préparer un café de type espresso, c'est-à-dire avec une montée en pression de l'ordre de 10 bar.A cartridge of relatively simple design is available according to the invention, making it possible to extract with a cartridge holder of specific design and making it possible to prepare an espresso type coffee, that is to say with a pressure rise of around 10 bar.

Claims (7)

Cartouche fermée, prévue pour être extraite sous pression, contenant une substance pour la préparation d'une boisson, comprenant une coupelle avec un fond et une paroi latérale ayant sensiblement la forme d'un tronc de cône inversé et un rebord circulaire de diamètre supérieur au fond, et un opercule soudé sur le pourtour du rebord de la coupelle, le fond de la coupelle comportant des zones de moindre épaisseur destinées à favoriser l'ouverture de la cartouche lors de l'extraction, caractérisée en ce que la coupelle est en aluminium ou un alliage à base d'aluminium et les zones de moindre épaisseur sont produites par cisaillement et se présentent sous la forme d'arcs de cercle concentriques de même rayon, d'arcs de cercle concentriques de rayons différents , d'une spirale ou de tronçons sensiblement sinusoïdaux ou de segments radiaux.Closed cartridge, intended to be extracted under pressure, containing a substance for the preparation of a drink, comprising a cup with a bottom and a side wall having substantially the shape of an inverted truncated cone and a circular rim of diameter greater than bottom, and a seal welded to the periphery of the rim of the cup, the bottom of the cup having zones of reduced thickness intended to promote the opening of the cartridge during extraction, characterized in that the cup is made of aluminum or an aluminum-based alloy and the thinner zones are produced by shearing and are in the form of concentric arcs of the same radius, concentric arcs of different radii, a spiral or substantially sinusoidal sections or radial segments. Cartouche fermée selon la revendication 1, caractérisée en ce que les zones de moindre épaisseur ont une épaisseur de sensiblement la moitié de l'épaisseur de départ.Closed cartridge according to claim 1, characterized in that the zones of least thickness have a thickness of substantially half of the initial thickness. Cartouche fermée selon l'une des revendications 1 ou 2, caractérisée en ce que la coupelle a une épaisseur comprise entre 50 et 150 microns.Closed cartridge according to one of claims 1 or 2, characterized in that the cup has a thickness between 50 and 150 microns. Cartouche fermée selon l'une des revendications 1 à 3, caractérisée en ce que l'opercule a une épaisseur moindre que celle de la coupelle.Closed cartridge according to one of claims 1 to 3, characterized in that the seal has a thickness less than that of the cup. Cartouche fermée selon l'une des revendications 1 à 4, caractérisée en ce que la substance pour la préparation d'une boisson est du café rôti et moulu et tassé ou compacté.Closed cartridge according to one of claims 1 to 4, characterized in that the substance for the preparation of a drink is roasted and ground coffee and packed or compacted. Cartouche fermée selon l'une des revendications 1 à 5, caractérisée en ce que les zones de moindre épaisseur ont des épaisseurs variables le long desdites zones.Closed cartridge according to one of claims 1 to 5, characterized in that the zones of reduced thickness have variable thicknesses along said zones. Cartouche fermée selon l'une des revendications 1 à 6, caractérisée en ce que la coupelle est en un alliage d'aluminium, a une épaisseur de l'ordre de 85 microns et présente des zones de moindre épaisseur sous la forme d'arcs concentriques de même rayon d'épaisseur comprise entre 40 et 50 microns.Closed cartridge according to one of Claims 1 to 6, characterized in that the cup is made of an aluminum alloy, has a thickness of the order of 85 microns and has areas of reduced thickness in the form of concentric arcs with the same radius of thickness between 40 and 50 microns.
EP96201250A 1996-05-10 1996-05-10 Closed cardtridge with zones of lesser thickness Expired - Lifetime EP0806373B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE69615001T DE69615001T2 (en) 1996-05-10 1996-05-10 Closed cartridge with zones of reduced thickness
PT96201250T PT806373E (en) 1996-05-10 1996-05-10 CLOSED CARTRIDGE WITH LESS THICKNESS AREAS
EP96201250A EP0806373B1 (en) 1996-05-10 1996-05-10 Closed cardtridge with zones of lesser thickness
SI9630350T SI0806373T1 (en) 1996-05-10 1996-05-10 Closed cardtridge with zones of lesser thickness
AT96201250T ATE205158T1 (en) 1996-05-10 1996-05-10 CLOSED CARTRIDGE WITH ZONES OF REDUCED THICKNESS
ES96201250T ES2161964T3 (en) 1996-05-10 1996-05-10 CLOSED CARTRIDGE WITH LOWER THICKNESS AREAS.
US08/820,875 US5948455A (en) 1996-05-10 1997-03-20 Cartridge having sheared thinned areas for promoting opening for beverage extraction
JP9119137A JPH1043055A (en) 1996-05-10 1997-05-09 Closed cartridge having thin areas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96201250A EP0806373B1 (en) 1996-05-10 1996-05-10 Closed cardtridge with zones of lesser thickness

Publications (2)

Publication Number Publication Date
EP0806373A1 true EP0806373A1 (en) 1997-11-12
EP0806373B1 EP0806373B1 (en) 2001-09-05

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EP96201250A Expired - Lifetime EP0806373B1 (en) 1996-05-10 1996-05-10 Closed cardtridge with zones of lesser thickness

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US (1) US5948455A (en)
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ATE205158T1 (en) 2001-09-15
DE69615001T2 (en) 2002-03-21
US5948455A (en) 1999-09-07
JPH1043055A (en) 1998-02-17
EP0806373B1 (en) 2001-09-05
DE69615001D1 (en) 2001-10-11
ES2161964T3 (en) 2001-12-16
PT806373E (en) 2002-02-28
SI0806373T1 (en) 2002-02-28

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