WO2008155229A1 - Impermeable packaging for the infusion of an infusible substance - Google Patents

Impermeable packaging for the infusion of an infusible substance Download PDF

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Publication number
WO2008155229A1
WO2008155229A1 PCT/EP2008/056986 EP2008056986W WO2008155229A1 WO 2008155229 A1 WO2008155229 A1 WO 2008155229A1 EP 2008056986 W EP2008056986 W EP 2008056986W WO 2008155229 A1 WO2008155229 A1 WO 2008155229A1
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WO
WIPO (PCT)
Prior art keywords
packaging
envelope
filter layers
layers
film
Prior art date
Application number
PCT/EP2008/056986
Other languages
French (fr)
Inventor
Jean-Pierre Blanc
Original Assignee
Compagnie Mediterraneenne Des Cafes
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 Compagnie Mediterraneenne Des Cafes filed Critical Compagnie Mediterraneenne Des Cafes
Priority to EP08760563.0A priority Critical patent/EP2167403B1/en
Publication of WO2008155229A1 publication Critical patent/WO2008155229A1/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
    • B65D85/8046—Pods, i.e. closed containers made only of filter paper or similar material

Definitions

  • the present invention relates to an impermeable packaging for infusing a material to be infused.
  • Document WO 2005/066040 discloses a capsule for the preparation of drinks such as coffee comprising a protective envelope formed by an upper face connected to a lower face by side walls. The upper and lower faces are provided with zones of weakening facilitating the rupture and can be doubled internally by a sheet of filter paper.
  • One sheet of filter paper is attached to the upper face and another is attached to the underside.
  • the means for fixing the filter paper sheets does not allow good mechanical strength. Indeed, during the passage of water through the capsule, the internal pressure and increasing tension forces, the attachment of the filter paper sheets on the upper and lower faces may be deteriorated. The sheets of filter paper then no longer play their role in maintaining the material to be infused, which can then be spread in the machine and / or in the drink in preparation. In addition, if the sheets of filter paper become detached from the upper and lower faces, the flow of water through the capsule will be changed and the quality of the drink will be less.
  • the present invention provides a packaging for infusing a material to be infused comprising at least two filter layers so as to define a receiving volume of the material to be infused and an impermeable envelope intended to cover the two filter layers characterized in that the two filter layers are joined by their periphery, the latter being secured to the envelope.
  • the packaging according to the invention has many advantages.
  • the mechanical strength is much greater.
  • the peripheral seal is formed in the median plane of the packaging that is to say substantially located in the middle of the thickness of the packaging. As a result, the tension forces are evenly distributed over the entire periphery of the package.
  • the manufacture of the packaging according to the invention is facilitated since its formation can be carried out in a single step where the material to be infused is directly conditioned between the two filter layers joined by their periphery, the periphery can be secured in the same step to the envelope.
  • the cost of packaging according to the invention is significantly lower than that of the capsule according to the state of the art cited above.
  • the impermeable envelope is formed of upper and lower films which are joined by their periphery integral with the peripheral seal formed by the junction of the two filter layers.
  • all the filter layers and the upper and lower films of the impermeable envelope are integral at their periphery.
  • This arrangement considerably increases the mechanical strength of the packaging either for the resistance of the fixing of the filter layers or the holding of the entire package for proper positioning in the machine.
  • the manufacture of the packaging is further facilitated.
  • the packaging according to the invention allows a flow of water through the optimized capsule. Indeed, the water is channeled, there is no leak or passage of parasitic water periphery that can reduce the quality of drink in preparation.
  • one of the essential parameters for the drink has a good taste quality is the time of passage of water through the material to be infused.
  • the packaging according to the invention comprises at least one rupture primer on the lower film of the envelope and an expansion space between the filtering layers and the envelope.
  • the upper film of the envelope is able to be pierced.
  • the material to be infused can extend due to the flexibility of the filter layers and the existence of the expansion space.
  • the lower film breaks at the level of the breaking primer.
  • the hot water remains in contact with the material to infuse the time sufficient for it to hydrate and releases all its aromas.
  • the invention relates to a packaging for infusing a material to be infused comprising at least two filter layers so as to define a receiving volume of the material to be infused and an impermeable envelope for covering the two layers filtering, characterized in that the two filter layers are joined by their periphery the latter being secured to the envelope.
  • the packaging is such that:
  • the filter layers are joined by their periphery to a peripheral reinforcement.
  • An expansion gap exists between the filter layers and the envelope.
  • the filter layers have sufficient flexibility to allow expansion of the material to be infused.
  • the envelope is formed by at least one upper film and one lower film.
  • the lower and upper films and filter layers are integral by their periphery.
  • One of the films has a breaking primer.
  • One of the dandruff is apt to be pierced.
  • the waterproof envelope is flexible.
  • Figure 1 partially illustrates side and partially in section the packaging according to the invention.
  • Figure 2 illustrates a bottom view of the packaging according to the invention.
  • Figure 3 is a sectional view of the packaging according to the invention positioned in an infusion chamber.
  • Figure 4 is a view of the packaging according to the invention when the brewing chamber is closed.
  • FIGS. 1 to 5 is a view of the packaging according to the invention when the water is injected into the package.
  • the packaging 1 according to the invention consists of two filtering layers 3 joined by their circumference, the periphery being integral with an impermeable envelope 4.
  • the packaging 1 shown in FIGS. 1 to 5 has a substantially saucer shape with a symmetry of revolution. This configuration is not limiting and it is possible in particular to use packages 1 of square section or unsymmetrical.
  • the impermeable envelope 4 is formed by an upper film 6 and a lower film 7.
  • the upper 6 and lower 7 films are joined to the filtering layers 3 by their periphery forming a peripheral seal 5.
  • the material to be infused 2 is coffee grounds and the filtering layers 3 of the package 1 are based on filter paper.
  • filtering layers based on nonwoven material use will be made, for example, of polypropylene, or of polyethylene with a basis weight of between 20 and 100 microns.
  • the filtering layers 3 are secured by their circumference to a peripheral reinforcement 8 intended to give a good mechanical strength to the packaging 1 by replacing the peripheral seal 5.
  • the peripheral reinforcement 8 can also ensure a better connection of the filtering layers 3.
  • the peripheral reinforcement 8 comprises a central core of cardboard, said core being covered on both sides by a polymer plastic coating.
  • the polymer coating (of the polyethylene film type) allows the heat-sealing of the periphery of the filtering layers 3 on the peripheral reinforcement 8.
  • the peripheral reinforcement 8 may be positioned between the two filtering layers 3 or between the filtering layers 3 and the impermeable envelope 4.
  • the impervious casing 4 is, for example, formed from flexible plastic materials impermeable to water and air.
  • flexible plastic materials impermeable to water and air For example, aluminum having a thickness of 20 to 100 microns or pure or multi-layered plastic comprising polyvinylidene chloride or a copolymer of ethylene and vinyl alcohol will be used.
  • the impervious casing 4 can be made from degradable materials such as cornstarch-based plastics.
  • the upper film 6 is pierceable and the lower film 7 comprises a rupture primer 10 facilitating the rupture of the envelope when the internal pressure of the packaging reaches a certain value.
  • the breakdown primer 10 can be made by a weakening zone in the lower film 7. That is, the lower film 7 has a zone of lesser thickness creating weakness in the film strength. According to another possibility, the rupture primer 10 is created by pre-cutting on the lower film 7.
  • the impermeable envelope 4 is not adhered to the filtering layers 3 over its entire surface. Indeed an expansion space 9 is provided between the impervious casing 4 and the filtering layers 3. This expansion space 9 allows a better expansion of the material to infuse 2 and allows swelling before the flow of the drink. According to one possibility, spacer means may be provided for maintain the filter layers 3 and the impervious envelope 4 apart and form the expansion space 9.
  • the spacer means in the form of spacer may take the form of protuberances integral with the inner face of the casing 4 or integral with the outer faces of the filtering layers 3. These protuberances may be a plurality of points or take the form of a bead or a cylindrical ring or not. They can be cardstock.
  • the spacer means may also be at least one fluid layer such as an advantageously inert gas such as nitrogen.
  • Figures 3 to 5 illustrate the packaging in a brewing chamber of a machine.
  • the infusion chamber 11 is composed of two parts, one having a water injection head 12 capable of piercing the upper film 6, the other part of the infusion chamber 11 has a channel allowing the flow of the drink out of the infusion chamber 11.
  • the water injection head 12 pierces the upper film 6 when the infusion chamber 11 is in the closed position.
  • FIG. 4 it can be noted the existence of an extension zone 13 between the packaging 1 and the infusion chamber 11. This extension zone 13 allows the expansion of the lower film 7 when the material to be infused 2 swells with water.
  • the injection head 12 does not pass through the upper filter layer 3.
  • the filtering layer 3 retains its role of maintaining the material to be infused 2.
  • the water injection head 12 may be composed of one or more piercing and injection points.
  • the packaging 1 is maintained in the infusion chamber 11 at its peripheral seal 5. As shown in FIGS. 3 to 5, the packaging 1 is positioned horizontally in an infusion chamber
  • the package 1 may be positioned vertically in an infusion chamber 11 and maintained in the same manner as before.
  • the process for preparing beverages to be infused from the packaging 1 according to the invention comprises the following steps: the packaging 1 is placed in an infusion chamber 11 composed of two parts: one comprises an injection head of 12 and the other comprises a channel 14 for the flow of the drink out of the infusion chamber 11, the upper film 6 is pierced by the water injection head 12 without piercing the upper filter layer 3 water is injected into the package 1 - the infusible material 2 included in the package expands the lower film 7 attaches to the chamber wall to infuse the rupture primer 10 breaks leaving the drink to infuse s flow through channel 14.
  • the packaging 1 comprises a peripheral seal 5 sufficiently rigid to optimize its guidance, sealing and mechanical strength.
  • the peripheral seal 5 can cooperate with vertical slides intended to guide the packaging 1 to the infusion chamber 11.
  • the hot water under pressure is injected by the injection head of water 12 in the packaging 1 the material to be infused 2 expands, the filtering layers 3 are flexible enough to expand.
  • the lower film 7 expands and is attached to the wall of the brewing chamber 11.
  • the internal pressure of the package 1 reaches a certain value, for example between 1 and 5 bars, and that the film
  • the breaker 10 is fed to the infusion chamber 11 and the flowable breaker 10 passes through, allowing the beverage to be infused to flow through the channel 14.
  • One or more rupture primers 10 may be envisaged. In the case of a plurality of rupture primers 10, several channels 14 will have to be considered.

Abstract

This invention relates to an impermeable packaging (1) for the infusion of an infusible substance (2), having at least two filter layers (3) in such a way as to define a volume in which the infusible substance (2) is received, and an impermeable envelope (4) designed to cover the two filter layers (3), wherein the two filter layers (3) are joined around the perimeter (5), which latter is attached to the envelope (4), and the filter layers are joined around the perimeter to an outer reinforcement (8). The invention is applicable to the packaging of ground coffee or tea usable with machines using servings of ground coffee or prepackaged tea.

Description

"Conditionnement imperméable pour l'infusion d'une matière à infuser" "Impermeable packaging for the infusion of a material to infuse"
La présente invention concerne un conditionnement imperméable pour l'infusion d'une matière à infuser.The present invention relates to an impermeable packaging for infusing a material to be infused.
Il trouvera son application pour le conditionnement de café moulu ou de thé utilisable avec des machines utilisant des doses de café moulu ou de thé préemballées. On connaît du document WO 2005/066040 une capsule pour la préparation de boissons tel que du café comprenant une enveloppe de protection formée par une face supérieure reliée à une face inférieure par des parois latérales. Les faces supérieure et inférieure sont munies de zones d'affaiblissement facilitant la rupture et peuvent être doublées intérieurement par une feuille de papier filtre.It will find its application for the conditioning of ground coffee or tea usable with machines using doses of ground coffee or prepackaged tea. Document WO 2005/066040 discloses a capsule for the preparation of drinks such as coffee comprising a protective envelope formed by an upper face connected to a lower face by side walls. The upper and lower faces are provided with zones of weakening facilitating the rupture and can be doubled internally by a sheet of filter paper.
Une feuille de papier filtre est fixée à la face supérieure et une autre est fixée à la face inférieure.One sheet of filter paper is attached to the upper face and another is attached to the underside.
Le moyen de fixation des feuilles de papier filtre ne permet pas une bonne tenue mécanique. En effet, lors du passage de l'eau au travers de la capsule, la pression interne et les efforts de tension augmentant, la fixation des feuilles de papier filtre sur les faces supérieure et inférieure peut être détériorée. Les feuilles de papier filtre ne jouent alors plus leur rôle de maintien de la matière à infuser qui peut alors se répandre dans la machine et / ou dans la boisson en préparation. De plus, si les feuilles de papier filtre se désolidarisent des faces supérieure et inférieure, l'écoulement de l'eau au travers de la capsule sera modifié et la qualité de la boisson sera moindre.The means for fixing the filter paper sheets does not allow good mechanical strength. Indeed, during the passage of water through the capsule, the internal pressure and increasing tension forces, the attachment of the filter paper sheets on the upper and lower faces may be deteriorated. The sheets of filter paper then no longer play their role in maintaining the material to be infused, which can then be spread in the machine and / or in the drink in preparation. In addition, if the sheets of filter paper become detached from the upper and lower faces, the flow of water through the capsule will be changed and the quality of the drink will be less.
Par ailleurs, la fabrication de ce type de capsule est compliquée car elle demande plusieurs étapes ce qui contribue à un prix de revient élevé.Moreover, the manufacture of this type of capsule is complicated because it requires several steps which contributes to a high cost.
Il existe donc le besoin de proposer un conditionnement remédiant à tout ou partie de ces inconvénients. A cet effet, la présente invention propose un conditionnement pour l'infusion d'une matière à infuser comportant au moins deux couches filtrantes de sorte à délimiter un volume de réception de la matière à infuser et une enveloppe imperméable destinée à recouvrir les deux couches filtrantes caractérisé par le fait que les deux couches filtrantes sont jointes par leur pourtour, ce dernier étant solidaire de l'enveloppe.There is therefore the need to provide conditioning remedying all or part of these disadvantages. For this purpose, the present invention provides a packaging for infusing a material to be infused comprising at least two filter layers so as to define a receiving volume of the material to be infused and an impermeable envelope intended to cover the two filter layers characterized in that the two filter layers are joined by their periphery, the latter being secured to the envelope.
Le conditionnement selon l'invention présente de nombreux avantages.The packaging according to the invention has many advantages.
Tout d'abord, les deux couches filtrantes étant solidaires par leur pourtour formant un joint périphérique, la résistance mécanique est beaucoup plus importante. Avantageusement, le joint périphérique est formé dans le plan médian du conditionnement c'est-à-dire sensiblement situé au milieu de l'épaisseur du conditionnement. De ce fait, les forces de tension sont réparties de manière équilibrées sur l'ensemble de la périphérie du conditionnement.First, the two filter layers being secured by their perimeter forming a peripheral seal, the mechanical strength is much greater. Advantageously, the peripheral seal is formed in the median plane of the packaging that is to say substantially located in the middle of the thickness of the packaging. As a result, the tension forces are evenly distributed over the entire periphery of the package.
De plus, la fabrication du conditionnement selon l'invention est facilitée puisque sa formation peut être réalisée en une seule étape où la matière à infuser est directement conditionnée entre les deux couches filtrantes jointes par leur pourtour, le pourtour peut être solidarisé dans la même étape à l'enveloppe.In addition, the manufacture of the packaging according to the invention is facilitated since its formation can be carried out in a single step where the material to be infused is directly conditioned between the two filter layers joined by their periphery, the periphery can be secured in the same step to the envelope.
Par conséquent, le coût de revient du conditionnement selon l'invention est nettement moins élevé que celui de la capsule selon l'état de la technique précité.Therefore, the cost of packaging according to the invention is significantly lower than that of the capsule according to the state of the art cited above.
Selon une possibilité très avantageuse, l'enveloppe imperméable est formée de pellicules supérieure et inférieure qui sont jointes par leur pourtour solidaire du joint périphérique formé par la jonction des deux couches filtrantes. Ainsi, l'ensemble des couches filtrantes et des pellicules supérieure et inférieure de l'enveloppe imperméable sont solidaires à leur périphérie. Cette disposition augmente considérablement la tenue mécanique du conditionnement que ce soit pour la résistance de la fixation des couches filtrantes ou de la tenue de l'ensemble du conditionnement pour un bon positionnement dans la machine. De plus, la fabrication du conditionnement est encore facilitée. Le conditionnement selon l'invention permet un flux d'eau au travers de la capsule optimisé. En effet, l'eau est canalisée, il n'y a pas de fuite ou passage d'eau parasite en périphérie pouvant diminuer la qualité de boisson en préparation.According to a very advantageous possibility, the impermeable envelope is formed of upper and lower films which are joined by their periphery integral with the peripheral seal formed by the junction of the two filter layers. Thus, all the filter layers and the upper and lower films of the impermeable envelope are integral at their periphery. This arrangement considerably increases the mechanical strength of the packaging either for the resistance of the fixing of the filter layers or the holding of the entire package for proper positioning in the machine. In addition, the manufacture of the packaging is further facilitated. The packaging according to the invention allows a flow of water through the optimized capsule. Indeed, the water is channeled, there is no leak or passage of parasitic water periphery that can reduce the quality of drink in preparation.
Pour l'infusion d'une matière à infuser, un des paramètres essentiels pour que la boisson ait une bonne qualité gustative est le temps de passage de l'eau au travers de la matière à infuser. Le conditionnement selon l'invention comprend au moins une amorce de rupture sur la pellicule inférieure de l'enveloppe et un espace d'expansion entre les couches filtrantes et l'enveloppe. Avantageusement, la pellicule supérieure de l'enveloppe est apte à être percée. Ainsi, l'eau chaude sous pression est injectée dans le conditionnement par sa face supérieure. La matière à infuser peut s'étendre du fait de la flexibilité des couches filtrantes et de l'existence de l'espace d'expansion. Lorsque la pression intérieure du conditionnement dépasse une certaine valeur, la pellicule inférieure se rompt au niveau de l'amorce de rupture.For the infusion of a material to infuse, one of the essential parameters for the drink has a good taste quality is the time of passage of water through the material to be infused. The packaging according to the invention comprises at least one rupture primer on the lower film of the envelope and an expansion space between the filtering layers and the envelope. Advantageously, the upper film of the envelope is able to be pierced. Thus, the pressurized hot water is injected into the packaging via its upper face. The material to be infused can extend due to the flexibility of the filter layers and the existence of the expansion space. When the inner pressure of the package exceeds a certain value, the lower film breaks at the level of the breaking primer.
Par cette disposition, l'eau chaude reste au contact de la matière à infuser le temps suffisant pour que celle-ci s'hydrate et libère tous ses arômes.By this arrangement, the hot water remains in contact with the material to infuse the time sufficient for it to hydrate and releases all its aromas.
La jonction des couches filtrantes et avantageusement des pellicules supérieure et inférieure de l'enveloppe par leur pourtour permet une déformation de l'enveloppe imperméable contrôlée au niveau de l'amorce de rupture. D'autres buts et avantages apparaîtront au cours de la description qui suit d'un mode préféré de réalisation de l'invention qui n'en est cependant pas limitatif. Auparavant il est rappelé que l'invention concerne un conditionnement pour l'infusion d'une matière à infuser comportant au moins deux couches filtrantes de sorte à délimiter un volume de réception de la matière à infuser et une enveloppe imperméable destinée à recouvrir les deux couches filtrantes, caractérisé par le fait que les deux couches filtrantes sont jointes par leur pourtour ce dernier étant solidaire de l'enveloppe.The junction of the filter layers and advantageously of the upper and lower films of the envelope by their periphery allows a deformation of the impermeable envelope controlled at the level of the rupture primer. Other objects and advantages will become apparent from the following description of a preferred embodiment of the invention which is not however limiting. Previously it is recalled that the invention relates to a packaging for infusing a material to be infused comprising at least two filter layers so as to define a receiving volume of the material to be infused and an impermeable envelope for covering the two layers filtering, characterized in that the two filter layers are joined by their periphery the latter being secured to the envelope.
Selon des variantes préférées mais non limitatives de l'invention, le conditionnement est tel que :According to preferred but non-limiting variants of the invention, the packaging is such that:
- Les couches filtrantes sont jointes par leur pourtour à un renfort périphérique.- The filter layers are joined by their periphery to a peripheral reinforcement.
Un espace d'expansion existe entre les couches filtrantes et l'enveloppe.An expansion gap exists between the filter layers and the envelope.
- Les couches filtrantes présentent une flexibilité suffisante de sorte à permettre l'expansion de la matière à infuser. - L'enveloppe est formée par au moins une pellicule supérieure et une pellicule inférieure.- The filter layers have sufficient flexibility to allow expansion of the material to be infused. - The envelope is formed by at least one upper film and one lower film.
- Les pellicules inférieure et supérieure sont solidarisées par leur périphérie.- The lower and upper films are secured by their periphery.
- Les pellicules inférieure et supérieure et les couches filtrantes sont solidaires par leur pourtour.- The lower and upper films and filter layers are integral by their periphery.
- Une des pellicules comporte une amorce de rupture.One of the films has a breaking primer.
- Une des pellicules est apte à être percée.- One of the dandruff is apt to be pierced.
- L'enveloppe imperméable est flexible.- The waterproof envelope is flexible.
Les dessins ci-joints sont donnés à titre d'exemples et ne sont pas limitatifs de l'invention. Ils représentent seulement un mode de réalisation de l'invention et permettront de la comprendre aisément.The accompanying drawings are given by way of example and are not limiting of the invention. They represent only one embodiment of the invention and will make it easy to understand.
La figure 1 illustre partiellement de coté et partiellement en coupe le conditionnement selon l'invention.Figure 1 partially illustrates side and partially in section the packaging according to the invention.
La figure 2 illustre une vue du dessous du conditionnement selon l'invention.Figure 2 illustrates a bottom view of the packaging according to the invention.
La figure 3 est une vue en coupe du conditionnement selon l'invention positionné dans une chambre d'infusion. La figure 4 est une vue du conditionnement selon l'invention lorsque la chambre d'infusion est fermée.Figure 3 is a sectional view of the packaging according to the invention positioned in an infusion chamber. Figure 4 is a view of the packaging according to the invention when the brewing chamber is closed.
La figure 5 est une vue du conditionnement selon l'invention lorsque l'eau est injectée dans le conditionnement. Le conditionnement 1 selon l'invention est constitué de deux couches filtrantes 3 jointes par leur pourtour, le pourtour étant solidaire d'une enveloppe imperméable 4. Le conditionnement 1 représenté dans les figures 1 à 5 a une forme sensiblement de soucoupe avec une symétrie de révolution. Cette configuration n'est pas limitative et on peut notamment utiliser des conditionnements 1 de section carré ou non symétriques.Figure 5 is a view of the packaging according to the invention when the water is injected into the package. The packaging 1 according to the invention consists of two filtering layers 3 joined by their circumference, the periphery being integral with an impermeable envelope 4. The packaging 1 shown in FIGS. 1 to 5 has a substantially saucer shape with a symmetry of revolution. This configuration is not limiting and it is possible in particular to use packages 1 of square section or unsymmetrical.
Comme représenté sur les figures 1 à 5, l'enveloppe imperméable 4 est formée par une pellicule supérieure 6 et une pellicule inférieure 7.As shown in FIGS. 1 to 5, the impermeable envelope 4 is formed by an upper film 6 and a lower film 7.
Avantageusement, les pellicules supérieure 6 et inférieure 7 sont jointes aux couches filtrantes 3 par leur périphérie formant un joint périphérique 5. A titre d'exemple, la matière à infuser 2 est de la mouture de café et les couches filtrantes 3 du conditionnement 1 sont à base de papier filtre.Advantageously, the upper 6 and lower 7 films are joined to the filtering layers 3 by their periphery forming a peripheral seal 5. By way of example, the material to be infused 2 is coffee grounds and the filtering layers 3 of the package 1 are based on filter paper.
Avantageusement, on prendra un papier filtre ayant un grammage deAdvantageously, a filter paper having a grammage of
15 à 30 g/m2 et une épaisseur comprise entre 0,1 et 1 mm. Dans le cas de couches filtrantes à base de matériau non tissé, on utilisera par exemple du polypropylène,ou du polyéthylène de grammage compris entre 20 et 100 microns.15 to 30 g / m 2 and a thickness of between 0.1 and 1 mm. In the case of filtering layers based on nonwoven material, use will be made, for example, of polypropylene, or of polyethylene with a basis weight of between 20 and 100 microns.
Selon une possibilité représentée dans les figures 1 à 5, les couches filtrantes 3 sont solidaires par leur pourtour à un renfort périphérique 8 destiné à donner une bonne tenue mécanique au conditionnement 1 en remplaçant le joint périphérique 5.According to a possibility represented in FIGS. 1 to 5, the filtering layers 3 are secured by their circumference to a peripheral reinforcement 8 intended to give a good mechanical strength to the packaging 1 by replacing the peripheral seal 5.
Le renfort périphérique 8 peut également assurer une meilleure jonction des couches filtrantes 3.The peripheral reinforcement 8 can also ensure a better connection of the filtering layers 3.
A titre d'exemple préféré le renfort périphérique 8 comprend une âme centrale en papier cartonnée, ladite âme étant recouverte sur ces deux faces par un revêtement en matière plastique polymère.As a preferred example, the peripheral reinforcement 8 comprises a central core of cardboard, said core being covered on both sides by a polymer plastic coating.
Le revêtement polymère (de type film de polyéthylène) permet la soudure thermique du pourtour des couches filtrantes 3 sur le renfort périphérique 8. On pourrait bien entendu utiliser d'autres matériaux pour la constitution du renfort périphérique 8, notamment un renfort monocouche en matière plastique.The polymer coating (of the polyethylene film type) allows the heat-sealing of the periphery of the filtering layers 3 on the peripheral reinforcement 8. One could of course use other materials for the constitution of the peripheral reinforcement 8, including a monolayer plastic reinforcement.
Le renfort périphérique 8 peut être positionné entre les deux couches filtrantes 3 ou entre les couches filtrantes 3 et l'enveloppe imperméable 4.The peripheral reinforcement 8 may be positioned between the two filtering layers 3 or between the filtering layers 3 and the impermeable envelope 4.
L'enveloppe imperméable 4 est, par exemple, formée à partir de matériaux plastiques flexibles et imperméables à l'eau et à l'air. A titre d'exemple, on utilisera de l'aluminium d'une épaisseur de 20 à 100 microns ou du plastique pur ou multi-couches comprenant du polychlorure de vinylidène ou un copolymère d'éthylène et d'alcool de vinyle.The impervious casing 4 is, for example, formed from flexible plastic materials impermeable to water and air. For example, aluminum having a thickness of 20 to 100 microns or pure or multi-layered plastic comprising polyvinylidene chloride or a copolymer of ethylene and vinyl alcohol will be used.
L'enveloppe imperméable 4 peut être fabriquée à partir de matériaux dégradables tel que des plastiques à base d'amidon de maïs.The impervious casing 4 can be made from degradable materials such as cornstarch-based plastics.
Avantageusement, la pellicule supérieure 6 est apte à être percée et la pellicule inférieure 7 comporte une amorce de rupture 10 facilitant la rupture de l'enveloppe lorsque la pression interne du conditionnement atteint une certaine valeur.Advantageously, the upper film 6 is pierceable and the lower film 7 comprises a rupture primer 10 facilitating the rupture of the envelope when the internal pressure of the packaging reaches a certain value.
Selon cette possibilité, il est avantageux de prévoir un moyen de différentiation entre les deux faces du conditionnement 1 pour permettre à l'utilisateur d'insérer le conditionnement 1 dans le bon sens d'utilisation. Des codes de couleurs ou géométriques peuvent être utilisés.According to this possibility, it is advantageous to provide differentiating means between the two faces of the package 1 to allow the user to insert the package 1 in the right direction of use. Color or geometric codes can be used.
L'amorce de rupture 10 peut être réalisé par une zone d'affaiblissement dans la pellicule inférieure 7. C'est-à-dire que la pellicule inférieure 7 possède une zone d'épaisseur moindre créant une faiblesse dans la résistance de la pellicule. Selon une autre possibilité, l'amorce de rupture 10 est créée par un pré-découpage sur la pellicule inférieure 7.The breakdown primer 10 can be made by a weakening zone in the lower film 7. That is, the lower film 7 has a zone of lesser thickness creating weakness in the film strength. According to another possibility, the rupture primer 10 is created by pre-cutting on the lower film 7.
Avantageusement, l'enveloppe imperméable 4 n'est pas collée aux couches filtrantes 3 sur toute sa surface. En effet un espace d'extension 9 est ménagé entre l'enveloppe imperméable 4 et les couches filtrantes 3. Cet espace d'expansion 9 permet une meilleure expansion de la matière à infuser 2 et permet un gonflement avant l'écoulement de la boisson. Selon une possibilité, des moyens d'écartement peuvent être prévus pour maintenir les couches filtrantes 3 et l'enveloppe imperméable 4 écartées et former l'espace d'expansion 9.Advantageously, the impermeable envelope 4 is not adhered to the filtering layers 3 over its entire surface. Indeed an expansion space 9 is provided between the impervious casing 4 and the filtering layers 3. This expansion space 9 allows a better expansion of the material to infuse 2 and allows swelling before the flow of the drink. According to one possibility, spacer means may be provided for maintain the filter layers 3 and the impervious envelope 4 apart and form the expansion space 9.
Les moyens d'écartement sous forme d'entretoise peuvent prendre la forme de protubérances solidaires de la face interne de l'enveloppe 4 ou solidaires des faces externes des couches filtrantes 3. Ces protubérances peuvent être une pluralité de points ou prendre la forme d'un bourrelet ou d'un anneau cylindrique ou non. Elles peuvent être en papier cartonné. Les moyens d'écartement peuvent aussi être au moins une couche fluide tel un gaz avantageusement inerte comme l'azote. Les figures 3 à 5 illustrent le conditionnement dans une chambre d'infusion d'une machine.The spacer means in the form of spacer may take the form of protuberances integral with the inner face of the casing 4 or integral with the outer faces of the filtering layers 3. These protuberances may be a plurality of points or take the form of a bead or a cylindrical ring or not. They can be cardstock. The spacer means may also be at least one fluid layer such as an advantageously inert gas such as nitrogen. Figures 3 to 5 illustrate the packaging in a brewing chamber of a machine.
Avantageusement, la chambre d'infusion 11 est composée de deux pièces, l'une comporte une tête d'injection d'eau 12 apte à percer la pellicule supérieure 6, l'autre pièce de la chambre d'infusion 11 présente un canal permettant l'écoulement de la boisson hors de la chambre d'infusion 11.Advantageously, the infusion chamber 11 is composed of two parts, one having a water injection head 12 capable of piercing the upper film 6, the other part of the infusion chamber 11 has a channel allowing the flow of the drink out of the infusion chamber 11.
Avantageusement, comme représenté en figure 4 la tête d'injection d'eau 12 perce la pellicule supérieure 6 lorsque la chambre d'infusion 11 est en position fermée. En figure 4 on peut noter l'existence d'une zone d'extension 13 entre le conditionnement 1 et la chambre d'infusion 11 . Cette zone d'extension 13 permet l'expansion de la pellicule inférieure 7 lorsque la matière à infuser 2 se gonfle d'eau.Advantageously, as shown in FIG. 4, the water injection head 12 pierces the upper film 6 when the infusion chamber 11 is in the closed position. In FIG. 4 it can be noted the existence of an extension zone 13 between the packaging 1 and the infusion chamber 11. This extension zone 13 allows the expansion of the lower film 7 when the material to be infused 2 swells with water.
Avantageusement, la tête d'injection 12 ne traverse pas la couche filtrante 3 supérieure. Ainsi la couche filtrante 3 garde son rôle de maintien de la matière à infuser 2. La tête d'injection d'eau 12 peut être composé d'une ou plusieurs pointes de percement et d'injection.Advantageously, the injection head 12 does not pass through the upper filter layer 3. Thus the filtering layer 3 retains its role of maintaining the material to be infused 2. The water injection head 12 may be composed of one or more piercing and injection points.
Le conditionnement 1 est maintenu dans la chambre d'infusion 11 au niveau de son joint périphérique 5. Comme représenté dans les figures 3 à 5, le conditionnement 1 est positionné horizontalement dans une chambre d'infusionThe packaging 1 is maintained in the infusion chamber 11 at its peripheral seal 5. As shown in FIGS. 3 to 5, the packaging 1 is positioned horizontally in an infusion chamber
11 qui maintient le conditionnement 1 par pression de deux pièces sur son joint périphérique 5.11 which maintains the packaging 1 by pressing two parts on its peripheral seal 5.
Selon une autre possibilité, le conditionnement 1 peut être positionné verticalement dans une chambre à infusion 11 et maintenu de la même manière que précédemment. Le procédé de préparation de boissons à infuser à partir du conditionnement 1 selon l'invention comprend les étapes suivantes : le conditionnement 1 est placé dans une chambre d'infusion 11 composée de deux pièces : l'une comprend une tête d'injection d'eau 12 et l'autre comprend un canal 14 permettant l'écoulement de la boisson hors de la chambre d'infusion 11 , la pellicule supérieure 6 est percée par la tête d'injection d'eau 12 sans percer la couche filtrante supérieure 3 l'eau est injectée dans le conditionnement 1 - la matière à infuser 2 comprise dans le conditionnement s'expand la pellicule inférieure 7 s'accole à la paroi de la chambre à infuser l'amorce de rupture 10 se rompt laissant la boisson à infuser s'écouler par le canal 14.Alternatively, the package 1 may be positioned vertically in an infusion chamber 11 and maintained in the same manner as before. The process for preparing beverages to be infused from the packaging 1 according to the invention comprises the following steps: the packaging 1 is placed in an infusion chamber 11 composed of two parts: one comprises an injection head of 12 and the other comprises a channel 14 for the flow of the drink out of the infusion chamber 11, the upper film 6 is pierced by the water injection head 12 without piercing the upper filter layer 3 water is injected into the package 1 - the infusible material 2 included in the package expands the lower film 7 attaches to the chamber wall to infuse the rupture primer 10 breaks leaving the drink to infuse s flow through channel 14.
Selon ces deux possibilités, il est avantageux que le conditionnement 1 comprenne un joint périphérique 5 suffisamment rigide pour optimiser son guidage, l'étanchéité et sa résistance mécanique.According to these two possibilities, it is advantageous that the packaging 1 comprises a peripheral seal 5 sufficiently rigid to optimize its guidance, sealing and mechanical strength.
Selon la possibilité de positionnement vertical, le joint périphérique 5 peut coopérer avec des glissières verticales destinées à guider le conditionnement 1 jusqu'à la chambre d'infusion 11. Lorsque l'eau chaude sous pression est injectée par la tête d'injection d'eau 12 dans le conditionnement 1 la matière à infuser 2 s'expand, les couches filtrantes 3 sont suffisamment flexibles pour se dilater. De même, la pellicule inférieure 7 se dilate et vient s'accoler à la paroi de la chambre d'infusion 11. Lorsque la pression interne au conditionnement 1 atteint une certaine valeur, par exemple comprise entre 1 et 5 bars, et que la pellicule inférieure 7 est accolée à la chambre d'infusion 11 l'amorce de rupture 10 cède laissant s'écouler la boisson à infuser par le canal 14. Une ou plusieurs amorces de rupture 10 peuvent être envisagées. Dans le cas d'une pluralité d'amorces de rupture 10, plusieurs canaux 14 devront être envisagés. REFERENCESAccording to the possibility of vertical positioning, the peripheral seal 5 can cooperate with vertical slides intended to guide the packaging 1 to the infusion chamber 11. When the hot water under pressure is injected by the injection head of water 12 in the packaging 1 the material to be infused 2 expands, the filtering layers 3 are flexible enough to expand. Similarly, the lower film 7 expands and is attached to the wall of the brewing chamber 11. When the internal pressure of the package 1 reaches a certain value, for example between 1 and 5 bars, and that the film The breaker 10 is fed to the infusion chamber 11 and the flowable breaker 10 passes through, allowing the beverage to be infused to flow through the channel 14. One or more rupture primers 10 may be envisaged. In the case of a plurality of rupture primers 10, several channels 14 will have to be considered. REFERENCES
1. Conditionnement1. Conditioning
2. Matière à infuser 3. Couches filtrantes2. Material to brew 3. Filter layers
4. Enveloppe imperméable4. Waterproof envelope
5. Joint périphérique5. Perimeter seal
6. Pellicule supérieure6. Upper film
7. Pellicule inférieure 8. Renfort périphérique7. Bottom film 8. Perimeter reinforcement
9. Espace d'expansion9. Expansion space
10. Amorce de rupture 11.Chambre d'infusion 12. Tête d'injection d'eau 13. Zone d'extension10. Primer 11. Burner 12. Water Injection Head 13. Extension Zone
14. Canal 14. Canal

Claims

REVENDICATIONS
1. Conditionnement (1 ) pour l'infusion d'une matière à infuser (2) comportant au moins deux couches filtrantes (3) de sorte à délimiter un volume de réception de la matière à infuser (2) et une enveloppe imperméable (4) destinée à recouvrir les deux couches filtrantes (3), caractérisé par le fait que les deux couches filtrantes (3) sont jointes par leur pourtour (5) ce dernier étant solidaire de l'enveloppe (4), et que les couches filtrantes (3) sont jointes par leur pourtour (5) à un renfort périphérique (8).1. Packaging (1) for infusing an infusion material (2) comprising at least two filtering layers (3) so as to delimit a reception volume of the material to be infused (2) and an impermeable envelope (4). ) intended to cover the two filtering layers (3), characterized in that the two filtering layers (3) are joined by their circumference (5) the latter being integral with the envelope (4), and that the filtering layers ( 3) are joined by their perimeter (5) to a peripheral reinforcement (8).
2. Conditionnement (1 ) selon la revendication 1 comprenant un espace d'expansion (9) entre les couches filtrantes (3) et l'enveloppe (4).2. Packaging (1) according to claim 1 comprising an expansion space (9) between the filter layers (3) and the envelope (4).
3. Conditionnement (1 ) selon une quelconque des revendications précédentes dans lequel les couches filtrantes (3) présentent une flexibilité suffisante de sorte à permettre l'expansion de la matière à infuser (2).3. Packaging (1) according to any one of the preceding claims wherein the filter layers (3) have sufficient flexibility to allow expansion of the material to be infused (2).
4. Conditionnement (1 ) selon une quelconque des revendications précédentes dans lequel l'enveloppe (4) est formée par au moins une pellicule supérieure (6) et une pellicule inférieure (7).4. Packaging (1) according to any one of the preceding claims wherein the envelope (4) is formed by at least one upper film (6) and one lower film (7).
5. Conditionnement (1 ) selon la revendication 4 dans lequel les pellicules inférieure (7) et supérieure (6) sont solidarisées par leur périphérie.5. Packaging (1) according to claim 4 wherein the lower film (7) and upper (6) are secured by their periphery.
6. Conditionnement (1 ) selon la revendication 4 ou 5 dans lequel les pellicules inférieure (7) et supérieure (6) et les couches filtrantes (3) sont solidaires par leur pourtour.6. Packaging (1) according to claim 4 or 5 wherein the lower film (7) and upper (6) and the filter layers (3) are integral by their periphery.
7. Conditionnement (1 ) selon une quelconque des revendications 4 à 6 dans lequel au moins une des pellicules (6) (7) comporte une amorce de rupture (10).7. Packaging (1) according to any one of claims 4 to 6 wherein at least one of the films (6) (7) comprises a breaking primer (10).
8. Conditionnement (1 ) selon une quelconque des revendications 4 à 7 dans lequel au moins une des pellicules (6) (7) est apte à être percée.8. Packaging (1) according to any one of claims 4 to 7 wherein at least one of the film (6) (7) is pierceable.
9. Conditionnement (1 ) selon une quelconque des revendications précédentes dans lequel l'enveloppe imperméable (4) est flexible. 9. Packaging (1) according to any one of the preceding claims wherein the impermeable envelope (4) is flexible.
PCT/EP2008/056986 2007-06-19 2008-06-05 Impermeable packaging for the infusion of an infusible substance WO2008155229A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08760563.0A EP2167403B1 (en) 2007-06-19 2008-06-05 Impermeable packaging for the infusion of an infusible substance and method for preparing beverages

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR07/55849 2007-06-19
FR0755849A FR2917723B1 (en) 2007-06-19 2007-06-19 IMPERMEABLE PACKAGING FOR INFUSION OF A MATERIAL TO INFUSE.

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EP (1) EP2167403B1 (en)
FR (1) FR2917723B1 (en)
WO (1) WO2008155229A1 (en)

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Publication number Priority date Publication date Assignee Title
CN102272017A (en) * 2009-01-05 2011-12-07 雀巢产品技术援助有限公司 Capsule with flow control and filtering member
CN103946129A (en) * 2011-09-29 2014-07-23 斯波特雷斯茶包有限公司 Bag for a beverage preparation
US8986762B2 (en) 2008-03-12 2015-03-24 Nestec S.A. Capsule with flow control and filtering member
WO2016009378A1 (en) * 2014-07-16 2016-01-21 Hausbrandt Trieste 1892 Spa Soft pod for preparing a beverage and method for the production of the pod

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CH495138A (en) * 1968-08-19 1970-08-31 Bognar Ilse Packaging for coffee
WO1995007041A1 (en) * 1993-09-06 1995-03-16 Compagnie Mediterraneenne Des Cafes Packaging of ground coffee of the predosed pastille type and espresso coffee machine using such packaging
US5840189A (en) * 1992-09-16 1998-11-24 Keurig, Inc. Beverage filter cartridge
WO2002028241A1 (en) * 2000-10-06 2002-04-11 Boyd Coffee Company Encoded coffee packet
WO2005058725A1 (en) * 2003-12-10 2005-06-30 Consumer Innovation Partners, Lp Apparatus for brewing and method for making the same
WO2005092160A1 (en) * 2004-03-26 2005-10-06 Illycaffe's.P.A. Integrated cartridge for extracting a beverage from a particulate substance
FR2874210A1 (en) * 2004-08-10 2006-02-17 Cie Mediterraneenne Des Cafes CONDITIONING FOR INFUSION OF A MATERIAL TO INFUSE
EP1710172A1 (en) * 2005-04-04 2006-10-11 Dr. med. Beatrice Amann Apparatus and disposable cartridge for preparing liquid products, in particular drinks

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Publication number Priority date Publication date Assignee Title
CH495138A (en) * 1968-08-19 1970-08-31 Bognar Ilse Packaging for coffee
US5840189A (en) * 1992-09-16 1998-11-24 Keurig, Inc. Beverage filter cartridge
WO1995007041A1 (en) * 1993-09-06 1995-03-16 Compagnie Mediterraneenne Des Cafes Packaging of ground coffee of the predosed pastille type and espresso coffee machine using such packaging
WO2002028241A1 (en) * 2000-10-06 2002-04-11 Boyd Coffee Company Encoded coffee packet
WO2005058725A1 (en) * 2003-12-10 2005-06-30 Consumer Innovation Partners, Lp Apparatus for brewing and method for making the same
WO2005092160A1 (en) * 2004-03-26 2005-10-06 Illycaffe's.P.A. Integrated cartridge for extracting a beverage from a particulate substance
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EP1710172A1 (en) * 2005-04-04 2006-10-11 Dr. med. Beatrice Amann Apparatus and disposable cartridge for preparing liquid products, in particular drinks

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8986762B2 (en) 2008-03-12 2015-03-24 Nestec S.A. Capsule with flow control and filtering member
CN102272017A (en) * 2009-01-05 2011-12-07 雀巢产品技术援助有限公司 Capsule with flow control and filtering member
CN103946129A (en) * 2011-09-29 2014-07-23 斯波特雷斯茶包有限公司 Bag for a beverage preparation
WO2016009378A1 (en) * 2014-07-16 2016-01-21 Hausbrandt Trieste 1892 Spa Soft pod for preparing a beverage and method for the production of the pod

Also Published As

Publication number Publication date
FR2917723A1 (en) 2008-12-26
EP2167403A1 (en) 2010-03-31
FR2917723B1 (en) 2012-08-31
EP2167403B1 (en) 2016-05-11

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