WO2013153169A2 - Reinforced capsule for the percolation of a product such as coffee - Google Patents

Reinforced capsule for the percolation of a product such as coffee Download PDF

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Publication number
WO2013153169A2
WO2013153169A2 PCT/EP2013/057612 EP2013057612W WO2013153169A2 WO 2013153169 A2 WO2013153169 A2 WO 2013153169A2 EP 2013057612 W EP2013057612 W EP 2013057612W WO 2013153169 A2 WO2013153169 A2 WO 2013153169A2
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WO
WIPO (PCT)
Prior art keywords
capsule
coffee
side wall
product
fixed
Prior art date
Application number
PCT/EP2013/057612
Other languages
French (fr)
Other versions
WO2013153169A3 (en
Inventor
Tirouvady Moutty
Original Assignee
Tirouvady Moutty
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 Tirouvady Moutty filed Critical Tirouvady Moutty
Priority to EP13716278.0A priority Critical patent/EP2836444A2/en
Publication of WO2013153169A2 publication Critical patent/WO2013153169A2/en
Publication of WO2013153169A3 publication Critical patent/WO2013153169A3/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
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Definitions

  • the invention relates, in general, to the preparation and dispensing of beverages such as coffee, tea, herbal teas, etc.
  • the invention relates to the preparation and dispensing of beverages from products stored in capsules by infusion with hot water.
  • capsules for the preparation of beverages has become widespread because of their ease of use, the good control of the dosage of the product, the optimal preservation of the product in the absence of air and the hygiene they provide.
  • the capsules are generally in the form of a container made of rigid material and airtight, filled with a dose of product, generally compacted, and closed by a lid, also sealed.
  • the assembly is for example made of aluminum alloy.
  • Other capsules are made of a thermoplastic material. This is particularly the case of the capsules used according to the method described in the patent application WO 2006/001315.
  • Some Expresso-type coffee-making and dispensing machines use a percolator with a number of pressurized water injection punches and brewed product recovery punches which, in the various phases of operation, respectively. of the machine, the injection of hot water under pressure through the lid and the recovery of the drink through the bottom of the capsule, after prior perforation of the latter.
  • the capsules are placed in a chamber which is generally mobile in translation under the action of a handle between a retracted position allowing the insertion of a capsule in the chamber and the advanced position of preparation and beverage distribution.
  • the capsules are kept pressed by an annular edge on which is fixed the lid so that, during a subsequent maneuver of the handle tending to move the chamber back, the used capsules fall by gravity in a recovery tank.
  • the object of the invention is therefore to overcome this disadvantage and to provide a capsule made of a biodegradable material but can be used in conventional beverage preparation and dispensing machines.
  • the object of the invention is therefore to provide a capsule for the percolation of a product such as coffee, comprising a bottom, a side wall fixed to the bottom, and a cap attached to a rim of the side wall. to delimit an internal volume of the capsule, the capsule being made of a biodegradable material.
  • the edge of the side wall comprises an attached reinforcement fixed on the rim.
  • the capsules although biodegradable and made from a relatively non-rigid material, can be used instead of traditional capsules made of non-biodegradable rigid material.
  • the reinforcement comprises an annular annular ring made of heat-sealable material.
  • the ring may be fixed on one face of the flange facing the bottom of the capsule.
  • the reinforcement is formed by the operculum.
  • the lid is made of cardboard coated with a heat sealable material.
  • the capsule is made of cardboard.
  • It can be filled with an aromatic product for percolation, compacted in the internal volume of the capsule.
  • the aromatic product may be selected from coffee, tea or herbal tea.
  • the bottom of the capsule is provided with perforations.
  • FIG. 1 is a perspective view from above of a capsule according to the invention, after filling and closure with a lid;
  • FIG. 2 is a perspective view from below of the capsule of FIG. 1;
  • FIG. 3 is a sectional view of the filled capsule of Figures 1 and 2; and - Figure 4 is a sectional view of a capsule according to another embodiment.
  • FIGS. 1 to 3 a first embodiment of a capsule according to the invention, designated by the general reference numeral 1, will be described.
  • the capsule is illustrated in the filled state, ready to be used in a machine. It can in this respect contain any type of product capable of allowing the preparation of a drink by infusion, such as coffee, tea or herbal tea.
  • the capsule contains a dose of coffee.
  • the capsule essentially comprises a front 2, a side wall 3 on which the bottom is fixed, and a cover 4 fixed on the side wall 3.
  • the assembly is made of a biodegradable material, in this case cardboard.
  • biodegradable material means a material that complies with the EPA rules (Environment Protection Agency - USA).
  • the bio degradability gives the material in particular the property of being degraded mechanically so that the capsule e vents naturally after use.
  • Biodegradability is a triggerable means of mechanical weakness.
  • the capsule 1 is made of another biodegradable material.
  • the bottom 2, the side wall 3 and the lid 4 are advantageously made of the same base material to obtain a virtually complete reprocessing of the capsule.
  • a biodegradable cardboard food such as the material 'Indobarr 1 PE ® "of the company ITC.
  • the bottom 2, the side wall 3 and the cover 4 are made from a sheet of base material.
  • the bottom 2 initially has a disc shape in which is bent a fallen edge 5.
  • the side wall is, for its part, formed of an arcuate band so that, when folded on itself and adhered at its ends, it forms a truncated cone with a first end 6 of more small diameter, intended to receive the bottom 2, and a second end 7 of larger diameter for receiving the lid 4.
  • the end 6 of the side wall is curved inwardly and towards the larger diameter end 7 so that the dropped edge 5 of the bottom is sandwiched. between the inner surface of the truncated cone side wall and the radially outer surface of the curved edge of the free end of this side wall.
  • the dropped edge 5 of the bottom 2 is then fixed by pressing or gluing on the end 6 of the side wall.
  • the side edge 2 is provided with an annular flange 8 on which is fixed the lid 4, for example by co llage, after filling the capsule.
  • the base material in this case cardboard, used for producing the bottom 2
  • the side wall 3 and the cover 4 has a thickness which may be less than 0.5 mm and in particular less than 0.5 mm. at 0.3 mm.
  • the thickness of the lid may however be lower.
  • the capsule may have an axial height of 28 mm, a bottom diameter of 23 mm and a cap diameter of 37 mm, to enable it to be received in capsule holder chambers conventional coffee preparation and dispensing machines.
  • this added reinforcement comprises an annular ring 10 fixed on the face of the annular flange 8 facing the first end 6, that is to say towards the bottom 2.
  • this annular ring has an internal diameter of 3.1 mm and an external diameter of 3.6 mm. It is made of heat-sealable material so as to be fixed on the flange 8 by heat treatment. In this respect, it will be possible to use a thermoplastic polyester such as PLA (lactic acid polyacrylic acid).
  • the ring 10 thus makes it possible to confer on the capsule a sufficient rigidity allowing it to be held tight by the capsule-holding chamber of a machine for the preparation and distribution of conventional coffee.
  • the cover 4 is thus made of a material that is itself rigidified.
  • an increased cardboard thickness, or a stiffened paper thickness capable of providing sufficient rigidity to the upper end zone of the capsule, while still being able to be perforated by the machine, may be used.
  • a lid made from cardboard coated with a heat-sealable material, such as PLA or polyethylene, will be used.
  • the bottom 2 is advantageously provided with perforations, such as 12, to deliver the infused product.

Abstract

This capsule for the percolation of a product such as coffee, comprises a bottom (2), a side wall (3) secured to the bottom and a seal (4) secured to a rim (8) of the side wall to define an internal volume of the capsule. It is made from a biodegradable material. The edge of the side wall comprises a reinforcement insert (10) secured to the rim.

Description

Capsule renforcée pour la percolation d' un produit tel que du café L 'invention concerne, de manière générale, la préparation et la distribution de boissons telles que du café, du thé, des tisanes, ...  The invention relates, in general, to the preparation and dispensing of beverages such as coffee, tea, herbal teas, etc.
L 'invention concerne, plus particulièrement, la préparation et la distribution de boissons à partir de produits stockés dans des capsules, par infusion avec de l ' eau chaude.  More particularly, the invention relates to the preparation and dispensing of beverages from products stored in capsules by infusion with hot water.
L ' emploi des capsules pour la préparation de boissons s ' est généralisé en raison de leur facilité d'usage, de la bonne maîtrise du dosage du produit, de la conservation optimale du produit à l ' abri de l ' air et de l 'hygiène qu' elles procurent.  The use of capsules for the preparation of beverages has become widespread because of their ease of use, the good control of the dosage of the product, the optimal preservation of the product in the absence of air and the hygiene they provide.
Les capsules se présentent généralement sous la forme d'un contenant réalisé en matériau rigide et étanche à l ' air, empli d 'une dose de produit, généralement compacté, et fermé par un opercule, également étanche.  The capsules are generally in the form of a container made of rigid material and airtight, filled with a dose of product, generally compacted, and closed by a lid, also sealed.
L ' ensemble est par exemple réalisé à base d' alliage d' aluminium. D ' autres capsules sont réalisées en un matériau thermoplastique. Tel est en particulier le cas des capsules utilisées selon le procédé décrit dans la demande de brevet WO 2006/003 1 15.  The assembly is for example made of aluminum alloy. Other capsules are made of a thermoplastic material. This is particularly the case of the capsules used according to the method described in the patent application WO 2006/001315.
Certaines machines de préparation et de distribution de café de type Expresso utilisent un percolateur doté d'un certain nombre de poinçons d 'inj ection d' eau sous pression et de poinçons de récupération de produit infusé qui assurent respectivement, lors des diverses phases de fonctionnement de la machine, l' inj ection d' eau chaude sous pression à travers l ' opercule et la récupération de la boisson à travers le fond de la capsule, après perforation préalable de ces derniers.  Some Expresso-type coffee-making and dispensing machines use a percolator with a number of pressurized water injection punches and brewed product recovery punches which, in the various phases of operation, respectively. of the machine, the injection of hot water under pressure through the lid and the recovery of the drink through the bottom of the capsule, after prior perforation of the latter.
Tel est le cas dans le principe de fonctionnement du perco lateur décrit dans la demande internationale WO 20 10/055465 au nom de Monsieur Tirouvady MOUTTY. D ' autres types de machines utilisent des poinçons d' inj ection qui viennent perforer le fond des capsules, la récupération du café s ' effectuant à travers l ' opercule. This is the case in the operating principle of the percolator described in the international application WO 20 10/055465 in the name of Mr Tirouvady MOUTTY. Other types of machines use injection punches which perforate the bottom of the capsules, the recovery of the coffee being effected through the lid.
Pour la préparation du café, les capsules viennent se placer dans une chambre qui est généralement mobile en translation sous l ' action d'une poignée entre une position reculée permettant l' insertion d 'une capsule dans la chambre et la position avancée de préparation et de distribution de boissons.  For the preparation of the coffee, the capsules are placed in a chamber which is generally mobile in translation under the action of a handle between a retracted position allowing the insertion of a capsule in the chamber and the advanced position of preparation and beverage distribution.
Dans la majorité des cas, dans la position avancée, les capsules sont maintenues pressées par un bord annulaire sur lequel est fixé l ' opercule de sorte que, lors d'une manœuvre ultérieure de la poignée tendant à reculer la chambre, les capsules usagées tombent par gravité dans un bac de récupération.  In the majority of cases, in the advanced position, the capsules are kept pressed by an annular edge on which is fixed the lid so that, during a subsequent maneuver of the handle tending to move the chamber back, the used capsules fall by gravity in a recovery tank.
Comme on le conçoit, la réalisation de capsules à base d' alliage d' aluminium ou en un matériau thermoplastique pose des problèmes néfastes pour l ' environnement. Cela est d' autant plus dommageable que le café à l ' intérieur de la capsule est naturellement bio dégradable.  As conceived, the production of capsules based on aluminum alloy or in a thermoplastic material poses problems that are harmful for the environment. This is all the more damaging because the coffee inside the capsule is naturally bio degradable.
C ' est la raison pour laquelle il a été proposé, dans la demande WO 2010/055465 précitée, au nom de Monsieur MOUTTY, de réaliser des capsules en un matériau principal biodégradable, notamment en carton. Comme on le conçoit, l 'utilisation de carton pour la réalisation des capsules est particulièrement avantageuse pour l' environnement.  This is the reason why it was proposed in the aforementioned application WO 2010/055465, in the name of Mr MOUTTY, to produce capsules made of a biodegradable main material, in particular cardboard. As is conceivable, the use of cardboard for producing the capsules is particularly advantageous for the environment.
Il a toutefois été constaté que ce type de capsules n' était pas compatible avec le fonctionnement des machines dans lesquelles les capsules sont maintenues par leur rebord annulaire avant d' être éj ectées.  However, it has been found that this type of capsule is not compatible with the operation of machines in which the capsules are held by their annular rim before being ejected.
Le but de l 'invention est donc de pallier cet inconvénient et de proposer une capsule réalisée en un matériau biodégradable mais pouvant être utilisée dans les machines de préparation et de distribution de boissons conventionnelles .  The object of the invention is therefore to overcome this disadvantage and to provide a capsule made of a biodegradable material but can be used in conventional beverage preparation and dispensing machines.
L 'invention a donc pour obj et une capsule pour la perco lation d'un produit tel que du café, comprenant un fond, une paroi latérale fixée au fond, et un opercule fixé sur un rebord de la paroi latérale pour délimiter un volume interne de la capsule, la capsule étant réalisée en un matériau biodégradable. The object of the invention is therefore to provide a capsule for the percolation of a product such as coffee, comprising a bottom, a side wall fixed to the bottom, and a cap attached to a rim of the side wall. to delimit an internal volume of the capsule, the capsule being made of a biodegradable material.
Selon une caractéristique générale de cette capsule, le bord de la paroi latérale comporte un renfort rapporté fixé sur le rebord.  According to a general characteristic of this capsule, the edge of the side wall comprises an attached reinforcement fixed on the rim.
Grâce à ce renfort rapporté, les capsules, bien que bio dégradables et réalisées dès lors en un matériau relativement peu rigide, peuvent être utilisées aux lieu et place des capsules traditionnelles réalisées en matériau rigide non biodégradable.  Thanks to this reported reinforcement, the capsules, although biodegradable and made from a relatively non-rigid material, can be used instead of traditional capsules made of non-biodegradable rigid material.
Selon une autre caractéristique de la capsule, le renfort comporte une bague annulaire rapportée en matériau thermosoudable.  According to another characteristic of the capsule, the reinforcement comprises an annular annular ring made of heat-sealable material.
Dans ce cas, la bague peut être fixée sur une face du rebord tournée vers le fond de la capsule .  In this case, the ring may be fixed on one face of the flange facing the bottom of the capsule.
Dans un autre mode de réalisation, le renfort est formé par l ' opercule.  In another embodiment, the reinforcement is formed by the operculum.
Dans ce cas, l ' opercule est réalisé en carton revêtu d'un matériau thermo soudable.  In this case, the lid is made of cardboard coated with a heat sealable material.
De préférence, la capsule est réalisée en carton.  Preferably, the capsule is made of cardboard.
Elle peut être emplie d'un produit aromatique pour percolation, compacté dans le vo lume interne de la capsule .  It can be filled with an aromatic product for percolation, compacted in the internal volume of the capsule.
Le produit aromatique peut être choisi parmi du café, du thé ou une tisane.  The aromatic product may be selected from coffee, tea or herbal tea.
Avantageusement, le fond de la capsule est doté de perforations .  Advantageously, the bottom of the capsule is provided with perforations.
D ' autres buts, caractéristiques et avantages de l ' invention apparaîtront à la lecture de la description suivante, donnée uniquement à titre d ' exemple non limitatif, et faite en référence aux dessins annexés sur lesquels :  Other objects, features and advantages of the invention will become apparent on reading the following description, given solely by way of nonlimiting example, and with reference to the appended drawings in which:
- la figure 1 est une vue en perspective de dessus d'une capsule conforme à l' invention, après remplissage et fermeture par un opercule ;  - Figure 1 is a perspective view from above of a capsule according to the invention, after filling and closure with a lid;
- la figure 2 est une vue en perspective de dessous de la capsule de la figure 1 ;  FIG. 2 is a perspective view from below of the capsule of FIG. 1;
- la figure 3 est une vue en coupe de la capsule remplie des figures 1 et 2 ; et - la figure 4 est une vue en coupe d'une capsule selon un autre mode de réalisation. - Figure 3 is a sectional view of the filled capsule of Figures 1 and 2; and - Figure 4 is a sectional view of a capsule according to another embodiment.
On va tout d' abord décrire, en référence aux figures 1 à 3 , un premier mode de réalisation d 'une capsule conforme à l 'invention, désignée par la référence numérique générale 1 .  Firstly, with reference to FIGS. 1 to 3, a first embodiment of a capsule according to the invention, designated by the general reference numeral 1, will be described.
Sur ces figures, la capsule est illustrée à l ' état rempli, prête à être utilisée dans une machine. Elle peut à cet égard contenir tout type de produit capable de permettre la préparation d'une boisson par infusion, tel que du café, du thé ou une tisane.  In these figures, the capsule is illustrated in the filled state, ready to be used in a machine. It can in this respect contain any type of product capable of allowing the preparation of a drink by infusion, such as coffee, tea or herbal tea.
On considérera, dans la suite de la description, que la capsule contient une dose de café.  In the remainder of the description, it will be considered that the capsule contains a dose of coffee.
Comme on le voit, la capsule comprend essentiellement un front 2, une paroi latérale 3 sur laquelle est fixé le fond, et un opercule 4 fixé sur la paroi latérale 3.  As can be seen, the capsule essentially comprises a front 2, a side wall 3 on which the bottom is fixed, and a cover 4 fixed on the side wall 3.
L ' ensemble est réalisé en un matériau biodégradable, en l ' espèce du carton. On entend par matériau biodégradable, un matériau conforme aux règles EPA (Environment Protection Agency - USA) . La bio dégradabilité confère en particulier au matériau la propriété de se dégrader mécaniquement de sorte que la capsule s ' éventre naturellement après usage. La biodégradabilité est un moyen de faiblesse mécanique déclenchable . Ainsi, après usage, non seulement le matériau de la capsule lui-même se dissout dans la nature, mais, ce faisant, il permet au contenu de la capsule de se dissoudre également dans la nature.  The assembly is made of a biodegradable material, in this case cardboard. The term "biodegradable material" means a material that complies with the EPA rules (Environment Protection Agency - USA). The bio degradability gives the material in particular the property of being degraded mechanically so that the capsule e vents naturally after use. Biodegradability is a triggerable means of mechanical weakness. Thus, after use, not only does the material of the capsule itself dissolve into nature, but in doing so it allows the contents of the capsule to also dissolve in nature.
Bien entendu, on ne sort pas du cadre de l 'invention lorsque la capsule 1 est réalisée en un autre matériau biodégradable . On notera toutefois que le fond 2, la paroi latérale 3 et l ' opercule 4 sont avantageusement constitués du même matériau de base afin d' obtenir un retraitement quasi complet de la capsule.  Of course, it is not beyond the scope of the invention when the capsule 1 is made of another biodegradable material. Note however that the bottom 2, the side wall 3 and the lid 4 are advantageously made of the same base material to obtain a virtually complete reprocessing of the capsule.
En ce qui concerne le carton, on utilisera de préférence un carton alimentaire biodégradable, tel que le matériau « Indobarr 1 PE® » de la société ITC . Regarding cardboard, preferably use a biodegradable cardboard food, such as the material 'Indobarr 1 PE ® "of the company ITC.
Le fond 2, la paroi latérale 3 et l 'opercule 4 sont réalisés à partir d'une feuille de matériau de base. Le fond 2 présente initialement une forme de disque dans laquelle on recourbe un bord tombé 5. The bottom 2, the side wall 3 and the cover 4 are made from a sheet of base material. The bottom 2 initially has a disc shape in which is bent a fallen edge 5.
La paroi latérale est, quant à elle, formée d'une bande en arc de cercle de sorte que, en étant repliée sur elle-même et collée par ses extrémités, elle forme un tronc de cône doté d'une première extrémité 6 de plus petit diamètre, destinée à recevoir le fond 2, et une deuxième extrémité 7 de plus grand diamètre destinée à recevoir l ' opercule 4.  The side wall is, for its part, formed of an arcuate band so that, when folded on itself and adhered at its ends, it forms a truncated cone with a first end 6 of more small diameter, intended to receive the bottom 2, and a second end 7 of larger diameter for receiving the lid 4.
On utilisera bien entendu une technique de co llage destinée au contact alimentaire .  Of course, a cooking technique for food contact will be used.
Comme on le voit, dans la zone de fond, l' extrémité 6 de la paroi latérale est recourbée vers l ' intérieur et en direction de l ' extrémité 7 de plus grand diamètre de sorte que le bord tombé 5 du fond soit pris en sandwich entre la surface interne de la paroi latérale en tronc de cône et la surface radialement externe du bord recourbé de l ' extrémité libre de cette paroi latérale. Par exemple, le bord tombé 5 du fond 2 est ensuite fixé par pressage ou collage sur l ' extrémité 6 de la paroi latérale.  As can be seen, in the bottom zone, the end 6 of the side wall is curved inwardly and towards the larger diameter end 7 so that the dropped edge 5 of the bottom is sandwiched. between the inner surface of the truncated cone side wall and the radially outer surface of the curved edge of the free end of this side wall. For example, the dropped edge 5 of the bottom 2 is then fixed by pressing or gluing on the end 6 of the side wall.
Au niveau de son extrémité opposée 7, le bord latéral 2 est doté d'un rebord annulaire 8 sur lequel est fixé l ' opercule 4, par exemple par co llage, après remplissage de la capsule .  At its opposite end 7, the side edge 2 is provided with an annular flange 8 on which is fixed the lid 4, for example by co llage, after filling the capsule.
Par exemple, le matériau de base, en l ' espèce le carton, utilisé pour la réalisation du fond 2, de la paroi latérale 3 et de l 'opercule 4 présente une épaisseur qui peut être inférieure à 0,5 mm et en particulier inférieure à 0,3 mm. L ' épaisseur de l ' opercule peut toutefois être plus faible. On pourrait également, en variante, utiliser un papier pour la réalisation de l' opercule.  For example, the base material, in this case cardboard, used for producing the bottom 2, the side wall 3 and the cover 4 has a thickness which may be less than 0.5 mm and in particular less than 0.5 mm. at 0.3 mm. The thickness of the lid may however be lower. One could also, alternatively, use a paper for the realization of the operculum.
En ce qui concerne la capsule, celle-ci peut présenter une hauteur axiale de 28 mm, un diamètre de fond de 23 mm et un diamètre d' opercule de 37 mm, afin de lui permettre de pouvoir être reçue dans des chambres porte-capsule de machines de préparation et de distribution de café conventionnelles .  As regards the capsule, it may have an axial height of 28 mm, a bottom diameter of 23 mm and a cap diameter of 37 mm, to enable it to be received in capsule holder chambers conventional coffee preparation and dispensing machines.
Toutefois, dans le but d' améliorer localement la rigidité de la capsule, le rebord annulaire 8 de la paroi latérale est doté d'un renfort rapporté. Dans le premier mode de réalisation illustré aux figures 1 à 3 , ce renfort rapporté comprend une bague annulaire 10 fixée sur la face du rebord annulaire 8 tournée vers la première extrémité 6, c ' est-à-dire vers le fond 2. However, in order to locally improve the rigidity of the capsule, the annular flange 8 of the side wall is provided with an added reinforcement. In the first embodiment illustrated in FIGS. 1 to 3, this added reinforcement comprises an annular ring 10 fixed on the face of the annular flange 8 facing the first end 6, that is to say towards the bottom 2.
Par exemple, cette bague annulaire présente un diamètre interne de 3 , 1 mm et un diamètre externe de 3 ,6 mm. Elle est réalisée en matériau thermosoudable de manière à venir se fixer sur le rebord 8 par traitement thermique . On pourra à cet égard utiliser un polyester thermoplastique tel que du PLA (po lyacide lactique) .  For example, this annular ring has an internal diameter of 3.1 mm and an external diameter of 3.6 mm. It is made of heat-sealable material so as to be fixed on the flange 8 by heat treatment. In this respect, it will be possible to use a thermoplastic polyester such as PLA (lactic acid polyacrylic acid).
Bien entendu, on pourrait également utiliser, en variante, tout autre type de matériau convenant pour l'utilisation envisagée, tel que du polyéthylène.  Of course, one could also use, alternatively, any other type of material suitable for the intended use, such as polyethylene.
De même, on ne sort pas du cadre de l 'invention lorsque la bague annulaire est fixée par tout autre moyen sur le rebord 8.  Similarly, it is not beyond the scope of the invention when the annular ring is fixed by any other means on the flange 8.
La bague 10 permet ainsi de conférer à la capsule une rigidité suffisante lui permettant d' être maintenue serrée par la chambre porte- capsule d'une machine de préparation et de distribution de café conventionnelle.  The ring 10 thus makes it possible to confer on the capsule a sufficient rigidity allowing it to be held tight by the capsule-holding chamber of a machine for the preparation and distribution of conventional coffee.
Toutefois, alors que dans l ' exemple de réalisation illustré aux figures 1 à 3 , la rigidité est obtenue en utilisant une bague annulaire rapportée, on pourrait également, en variante, utiliser un opercule renforcé rapporté sur le bord annulaire 8 de la paroi latérale.  However, while in the embodiment illustrated in Figures 1 to 3, the rigidity is obtained using an annular ring reported, one could also, alternatively, use a reinforced lid placed on the annular edge 8 of the side wall.
Comme on le voit sur la figure 4, sur laquelle des éléments identiques à ceux des figures 1 à 3 portent les mêmes références numériques, l ' opercule 4 est ainsi réalisé en un matériau lui-même rigidifié.  As can be seen in FIG. 4, in which elements identical to those of FIGS. 1 to 3 bear the same reference numerals, the cover 4 is thus made of a material that is itself rigidified.
On pourra par exemple utiliser une épaisseur de carton accrue, ou une épaisseur de papier rigidifiée, capable de procurer une rigidité suffisante à la zone d' extrémité supérieure de la capsule, tout en restant capable d' être perforée par la machine.  For example, an increased cardboard thickness, or a stiffened paper thickness, capable of providing sufficient rigidity to the upper end zone of the capsule, while still being able to be perforated by the machine, may be used.
Mais, de préférence, on utilisera un opercule réalisé à partir de carton revêtu d'une matière thermosoudable, telle que du PLA ou du polyéthylène. On notera enfin que dans les divers modes de réalisation envisagés, le fond 2 est avantageusement doté de perforations, telles que 12, pour délivrer le produit infusé. But, preferably, a lid made from cardboard coated with a heat-sealable material, such as PLA or polyethylene, will be used. Note finally that in the various embodiments envisaged, the bottom 2 is advantageously provided with perforations, such as 12, to deliver the infused product.

Claims

REVENDICATIONS
1 . Capsule pour la perco lation d'un produit tel que du café, comprenant un fond (2), une paroi latérale (3) fixée au fond et un opercule (4) fixé sur un rebord (8) de la paroi latérale pour délimiter un vo lume interne de la capsule, la capsule étant réalisée en un matériau biodégradable, caractérisée en ce que le bord (8) de la paro i latérale comporte un renfort rapporté ( 10) fixé sur le rebord. 1. Capsule for the percolation of a product such as coffee, comprising a bottom (2), a side wall (3) fixed to the bottom and a cap (4) fixed on a flange (8) of the side wall to delimit a internal capsule volume, the capsule being made of a biodegradable material, characterized in that the edge (8) of the side paro i has a reported reinforcement (10) fixed on the flange.
2. Capsule selon la revendication 1 , caractérisée en ce que le renfort comporte une bague annulaire ( 1 0) rapportée en matériau thermosoudable.  2. Capsule according to claim 1, characterized in that the reinforcement comprises an annular ring (1 0) reported heat-sealable material.
3. Capsule selon la revendication 2, caractérisée en ce que la bague est fixée sur une face du rebord tournée vers le fond (2) de la capsule.  3. Capsule according to claim 2, characterized in that the ring is fixed on one side of the flange facing the bottom (2) of the capsule.
4. Capsule selon la revendication 1 , caractérisée en ce que le renfort est formé par l ' opercule (4)  4. Capsule according to claim 1, characterized in that the reinforcement is formed by the operculum (4)
5. Capsule selon la revendication 4, caractérisée en ce que l ' opercule est réalisé en carton revêtu d'un matériau thermosoudable.  5. Capsule according to claim 4, characterized in that the lid is made of cardboard coated with a heat-sealable material.
6. Capsule selon l 'une quelconque des revendications 1 à 5 , caractérisée en ce que la capsule est réalisée en carton.  6. Capsule according to any one of claims 1 to 5, characterized in that the capsule is made of cardboard.
7. Capsule selon l 'une quelconque des revendications 1 à 6 , caractérisée en ce qu' elle est emplie d'un produit aromatique pour perco lation, compacté dans le vo lume interne de la capsule.  7. Capsule according to any one of claims 1 to 6, characterized in that it is filled with an aromatic product for percolation, compacted in the internal volume of the capsule.
8. Capsule selon la revendication 7, caractérisée en ce que le produit aromatique est choisi parmi du café, du thé ou une tisane.  8. Capsule according to claim 7, characterized in that the aromatic product is selected from coffee, tea or herbal tea.
9. Capsule selon l 'une quelconque des revendications 1 à 8 , caractérisée en ce que le fond (2) est doté de perforations ( 12) .  9. Capsule according to any one of claims 1 to 8, characterized in that the bottom (2) is provided with perforations (12).
PCT/EP2013/057612 2012-04-12 2013-04-11 Reinforced capsule for the percolation of a product such as coffee WO2013153169A2 (en)

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FR1253370A FR2989258B1 (en) 2012-04-12 2012-04-12 REINFORCED CAPSULE FOR PERCOLATING A PRODUCT SUCH AS COFFEE
FR1253370 2012-04-12

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US11311137B2 (en) 2014-01-03 2022-04-26 Koninklijke Douwe Egberts B.V. Exchangeable supply pack for a beverage dispensing machine, doser, pump assembly and method of manufacturing
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US11198556B2 (en) 2015-05-15 2021-12-14 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
US10940995B2 (en) 2015-05-15 2021-03-09 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
US11352199B2 (en) 2015-05-15 2022-06-07 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
US11851268B2 (en) 2015-05-15 2023-12-26 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
US11772883B2 (en) 2015-05-15 2023-10-03 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
US11827446B2 (en) 2015-10-27 2023-11-28 Koninklijke Douwe Egberts B.V. Capsule, system and method for preparing a beverage
US11679929B2 (en) 2016-05-13 2023-06-20 Koninklijke Douwe Egberts B.V. Capsule and a system for preparing a potable beverage from such a capsule
US11673738B2 (en) 2016-05-13 2023-06-13 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
US11198557B2 (en) 2016-10-07 2021-12-14 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage
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US11844453B2 (en) 2017-07-14 2023-12-19 Koninklijke Douwe Egberts N.V. Capsule for the preparation of a beverage
US11540659B2 (en) 2017-07-14 2023-01-03 Koninklijke Douwe Egberts B.V. Assembly of a capsule and a brew chamber

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FR2989258A1 (en) 2013-10-18
WO2013153169A3 (en) 2014-01-16
FR2989258B1 (en) 2014-07-11
EP2836444A2 (en) 2015-02-18

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