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WO2025149496A1 - Structure de couvercle supérieur compostable pour capsule de préparation de boisson - Google Patents

Structure de couvercle supérieur compostable pour capsule de préparation de boisson

Info

Publication number
WO2025149496A1
WO2025149496A1 PCT/EP2025/050282 EP2025050282W WO2025149496A1 WO 2025149496 A1 WO2025149496 A1 WO 2025149496A1 EP 2025050282 W EP2025050282 W EP 2025050282W WO 2025149496 A1 WO2025149496 A1 WO 2025149496A1
Authority
WO
WIPO (PCT)
Prior art keywords
capsule
beverage
closing membrane
closing
layer
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.)
Pending
Application number
PCT/EP2025/050282
Other languages
English (en)
Inventor
Camille Marie-Rose Eliane DAGANAUD
Chiara PAVAN
Gilles Gerber
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
Application filed by Societe des Produits Nestle SA, Nestle SA filed Critical Societe des Produits Nestle SA
Publication of WO2025149496A1 publication Critical patent/WO2025149496A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Definitions

  • the present invention relates to a beverage capsule for preparing a beverage in a beverage production machine, to a system for preparing a beverage comprising said capsule and to the use of said capsule for preparing a beverage in a beverage preparation machine.
  • Single-serve beverage capsules for beverage preparation machines are known in the art. These capsules are commonly used for on demand dispensing of beverages, like coffee, tea or hot chocolate, and enjoy popularity due to their fresh tasting, variability of flavors and the convenience of the beverage preparation.
  • capsules are a convenient and clean approach to beverage consumption.
  • the generic term "capsule” will be used and encompasses single use containers for preparing beverages for human consumption by insertion in a beverage preparation machine that is adapted to inject a fluid - in principle hot water - into the container for mixing with an ingredient contained therein.
  • beverage containers are not limited to rigid capsules, but also comprise semi-rigid capsules, or so-called “pods”. So far, such capsules were mainly manufactured from plastics such as polyolefins or biodegradable plastics, or from aluminium, and then closed with a membrane to close the capsule in a tight manner.
  • Capsules especially for food and beverage need to fulfil various purposes. Beyond storage of their contents, they need to be mechanically resistant to resist to the extraction process used for extracting the beverage from the beverage ingredient stored inside the capsule.
  • the capsule containing a beverage component or ingredient is inserted in a capsule holder of a beverage preparation machine, the capsule holder is closed, and the beverage preparation is started.
  • Fluid such as water or milk, is delivered to the capsule to interact with the beverage component contained inside the capsule to produce the desired beverage.
  • the capsule is filled with the extracting fluid and undergoes rotation inside the brewing chamber of a beverage preparation machine.
  • the brewed beverage is extracted by rotating the capsule using centrifugal forces and exits the capsule via specific openings made along the periphery of the capsule's closing membrane.
  • This system is proposed by Nespresso® and is known as Nespresso Vertuo® system.
  • the capsule opens under pressure of the fluid to release the prepared beverage.
  • opening of the capsule can be accomplished by pressing an extraction face of the capsule with a force effected by increasing pressure of the fluid inside the capsule against an opening structure (comprising relief and recessed elements) provided in the capsule holder such that the extraction face is torn upon reaching a breaking stress thereof.
  • This system is proposed by Nespresso® and is known as Nespresso Original® system.
  • the closing membrane forming the extraction face, as a membrane made of aluminium with a very precisely controlled thickness, in particular, of about 20 to 40 micrometers and flexibility.
  • Aluminium offers a number of advantages, such as good sealing properties, high-pressure resistance, durability, low weight, provision of long shelf-life and letting the taste of the prepared beverage unaltered.
  • the brewing chamber 120 of the beverage preparation machine is formed by the coupling of a holding portion 112 (also named “capulse holder” or “chalice”), into which is accommodated the capsule 1, and a closing member 114 when the beverage preparation machine is in its closed configuration.
  • the closing member 114 comprises a closing plate 115 on which are arranged the injection means 116 equipped with at least one needle 117 and the opening structure 118 comprising piercing elements 119 in the form of spikes 119a.
  • the closing member 114 and the holding portion 112 are each mounted on a spring arrangement which provides some movement flexibility when the brewing chamber 120 is moved from its open to its closed configuration and allows to absorb closing forces which may otherwise damage either the capsule or the machine.
  • the compression force of the springs is adapted such that it is more than the force required for piercing the closing membrane 4 of the capsule with water injection needle 117 and the opening spikes 119a of the closing member 114.
  • a sealing element 113 is located at the interface between the closing member 114 and the holding portion 112.
  • the sealing element 113 is generally made of a rubbery material that has some ability to be compressed.
  • new materials are envisaged to manufacture the capsules, in particular cellulosic materials, such as cellulosic pulp, paper of various grammage, to which compostable barrier polymers are added, in order to provide a barrier against moisture and oxygen transfer, and therefore protect the ingredient contained within the capsule against degradation during storage.
  • cellulosic materials such as cellulosic pulp, paper of various grammage
  • compostable barrier polymers are added, in order to provide a barrier against moisture and oxygen transfer, and therefore protect the ingredient contained within the capsule against degradation during storage.
  • the inventors have experienced that simple change of material from the existing capsule (which is typically aluminium) to a new material which is based on cellulose, for capsules to be used in existing machines may bring technical issues mainly due to higher thickness and rigidity of the new cellulose-based capsule and closing membrane when compared to aluminium capsules and membrane.
  • a precursor material may also refer to any pre-precursor material capable of being processed to a precursor material as defined above, i.e. any precursor material that can subsequently be processed to a beverage and/or foodstuff.
  • the preprecursor material includes coffee beans which can be ground and/or heated (e.g. roasted) to the precursor material.
  • the precursor material is roast and ground coffee.
  • biodegradable material may be understood as any material that can be broken down into environmentally innocuous products by (the action of) living things (such as microorganisms, e.g. bacteria, fungi or algae). This process could take place in an environment with the presence of oxygen (aerobic) and/or otherwise without presence of oxygen (anaerobic). This may be understood, for example, as meaning that composting can be carried out without reservation. In particular, at the end of a composting process there are no residues of the material, which may be problematic for the environment, or any non-biodegradable components.
  • home-compostable materials may be composted in home composters, such as compost barrels or a home compost bin over a period of weeks or months (e.g. at least 90% degradation of materials in 12 months at ambient temperature).
  • home composters such as compost barrels or a home compost bin over a period of weeks or months (e.g. at least 90% degradation of materials in 12 months at ambient temperature).
  • the home-compostable materials may be converted into a nutrient-rich soil.
  • a home-compostable container can be simply disposed in a home-compost pile after its use.
  • the capsule presented in the context of the invention may be described as a Nespresso® Vertuo® capsule and has a diameter of 2 - 5 cm and an axial length of 2 - 4 cm.
  • Constructional, manufacturing and/or (beverage) extraction details of containers and/or closing members (in Aluminium) are for instance disclosed in EP 2155019, EP 2155021, EP 2316310, EP 2152608, EP2378932, EP2470053, EP2509473, EP2667757 and EP 2528485.
  • the capsule may have other cross-section shapes, including square, other polygons, or elliptical; the flange is alternatively connected to the upper surface of the closing member, e.g. by crimping; the base is alternatively arranged, including with as flat or curved; the flange portion is connected to the storage portion rather than being integrally formed.
  • a first aspect of the invention relates to a capsule for preparing a beverage in a beverage production machine.
  • the invention provides a capsule according to Claim 1.
  • the capsule generally has a rotational symmetry along a central axis A and comprises a capsule body and a closing membrane.
  • the capsule body delimits a storage portion in the form of a cup-shaped capsule body.
  • the storage portion comprises a sidewall, delimiting a chamber defined as compartment, cavity or hollow space, in the capsule for containing a substance for the preparation of the beverage.
  • the capsule body may be made of biodegradable, preferably compostable, material.
  • the storage portion further comprises a flange portion delimiting a circular opening in the sidewall of the capsule body.
  • the closing membrane comprises in a layered manner a carrier layer and a barrier layer.
  • the barrier layer provides a, preferably bidirectional, barrier against oxygen and/or water vapor or moisture and is positioned on the surface of the closing membrane that is oriented towards the chamber.
  • the carrier layer of the closing membrane has a radial extension (d) that is smaller than the radial extension (D) of the closing membrane.
  • the reduced radial extension of the carrier layer over the closing membrane makes it possible to have the connecting zone between the capsule and closing membrane exclusively made from the barrier layer which lowers down the total thickness of the capsule at the location of its close interaction with the closing member of the brewing chamber.
  • the closing of the brewing chamber is then improved and the risk of leakage during the extraction process reduced.
  • the carrier layer of the closing membrane extends over the circular opening without extending over the flange portion of the capsule body.
  • the closing membrane is connected to the flange portion of the capsule body solely via its barrier layer. This makes it possible to reduce locally, at the region of the flange portion of the capsule, the total thickness of the capsule. This feature allows to maintain a tight closure of the brewing chamber of the beverage preparation machine when the capsule is hosted in the brewing chamber thereby ensuring a regular extraction without leakage.
  • this feature also allows increasing the flexibility of the closing membrane proximal the flange portion of the capsule to perfectly fit with the closing member of the brewing chamber so that during closing of the brewing unit of the beverage preparation unit, the interaction between the injection means and the closing membrane is improved, and the piercing is more efficient. This feature also helps avoiding in cup coffee grounds.
  • the carrier layer of the closing membrane comprises a central opening centered on the rotational axis of the capsule.
  • the closing membrane comprises, at the location of the central opening of the carrier layer, the barrier layer ensuring the capsule is fully closed and tight.
  • This feature may also be advantageous in that the piercing of the closing membrane for the injection of the water may be made easier.
  • the piercing of the closing membrane by the injection means of the beverage preparation machine may be improved.
  • the carrier layer extends over a maximum of 90 % of the radial extension (D) of the closing membrane, preferably between 25 and 90 %, more preferably between 50 and 90 %, most preferably between 65 and 90 %.
  • the proposed range ensures that sufficient flexibility is brought to the closing membrane when it starts interacting with the injection means of the brewing chamber of a beverage preparation machine.
  • the carrier layer of the closing membrane is a layer made of, or a laminate comprising a material selected within the group of cellulose fibers, paper, calendared paper, parchment paper, biopolyesters, Polyhydroxyalkanoate (PHA), Polyhydroxy butyrate (PH B) and co-polymers, Polybutylene succinate (PBS/PBS-A), biopolyesters, Cellulose Acetate, starch, polyvinyl alcohol (PVOH), polymers where at least one of the monomer units is vinyl alcohol, and combination thereof.
  • the proposed materials are biodegradable and/or compostable thereby participating in the biodegradability and/or compostability properties of the closing membrane and of the full capsule.
  • the carrier layer comprises plant-based cellulose fibers, preferably plant-based fibers comprising wood and/or non-wood fibers.
  • the carrier layer is made of a material, preferably a paper-based material, having a grammage between 10 g/m2 and 150 g/m2, preferably between 20 g/m2 and 100 g/m2. This allows for a variety of paper to be chosen according to the need, in particular depending on the extraction system for which the capsule and the closing membrane are developed.
  • the carrier layer is a filter layer and/or comprises filter function.
  • the filter layer is, preferably, made of non-woven compostable material. This feature further brings the advantage of being able, according to the needs, to filter the beverage exiting the capsule.
  • the characteristics of the filter can be set by defining their area density of material, i.e. as mass per unit of area.
  • the tensile strength of the filter can be improved by increasing the grammage of its material and/or by using a (non-woven) material comprising fibers of a defined length and/or with a defined fiber bonding.
  • the filtration capacity and/or the porosity of the filter can be modified, e.g. reduced to smaller particle diameters, by setting the filter layer's material characteristics accordingly. Thereby, it is possible to tailor the filter characteristics of the carrier layer to the specific requirements of the beverage preparation.
  • the barrier layer is biodegradable and/or compostable and comprises at least one biopolymer such as polyvinyl alcohol (PVOH), butanediol vinyl alcohol co-polymer (BVOH) or any vinyl alcohol co-polymers where at least one of the monomer units is vinyl alcohol, and compounds or laminates of the above-mentioned materials.
  • biopolymer such as polyvinyl alcohol (PVOH), butanediol vinyl alcohol co-polymer (BVOH) or any vinyl alcohol co-polymers where at least one of the monomer units is vinyl alcohol, and compounds or laminates of the above-mentioned materials.
  • the barrier layer is made of a different material than the carrier layer as the expected physicochemical properties of the barrier layer is the protection of the substance enclosed in chamber against moisture and/or oxygen and not any filtering or retention properties.
  • the barrier layer comprised a metallized layer.
  • the layer may be made of an inorganic compound selected within the list of metals, metalloids, or a combination thereof.
  • Said inorganic layer may have a thickness comprised between 1 and 100 nm.
  • Such a moisture barrier inorganic layer may be deposited e.g. by vacuum deposition or transfer metallization.
  • the metals and/or metalloids are preferably selected within the list of aluminium, aluminium oxide (AIOx), or silicon oxide (SiOx), or a combination thereof.
  • Metallized layers have the advantage of increasing the moisture and/or water vapor barrier function.
  • the proposed membrane is designed as being suitable for both the injection of a fluid in the capsule's chamber and for the extraction of the formed beverage outside of the capsule.
  • the closing membrane further comprises an adhesive layer, positioned on the barrier layer, on the side of the closing membrane facing the chamber, for connecting the closing membrane to the flange portion.
  • an adhesive layer positioned on the barrier layer, on the side of the closing membrane facing the chamber, for connecting the closing membrane to the flange portion.
  • the radial extension d of the carrier layer covers between 25 and 90% of the radial extension D of the closing membrane 4.
  • the carrier layer 41 is then preferably made of non-woven material.
  • the characteristics of the carrier layer 41 with its optional filter properties can be set by defining their area density of material, i.e. as mass per unit of area.
  • the tensile strength of the carrier layer can be improved by increasing the grammage of its material and/or by using a (non-woven) material comprising fibers of a defined length and/or with a defined fiber bonding.
  • the filtration capacity and/or the porosity of the carrier layer can be modified, e.g. reduced to smaller particle diameters, by setting the carrier layer's material characteristics accordingly. Thereby, it is possible to tailor the carrier layer to the specific requirements of the beverage preparation.
  • the barrier layer 42 as described the proposed embodiment is positioned on the side of the closing membrane 4 facing the capsule opening 51, i.e. the chamber 6 of the capsule body 5.
  • the barrier layer 42 aims at providing a barrier against oxygen and/or water vapor or moisture for optimal preservation (in combination with the liner structure 9 of the capsule body) of the nutritional properties and aromas of the substance 7 hosted in the chamber6.
  • the barrier layer 42 may be provided in the form of a single layer or in the form of multiple layers and its total thickness may vary between 30 pm and 50 pm.
  • the amount of barrier material in the one or more layers of the barrier layer 42 may be comprised between 0,1 to 30 gsm (g/m 2 ).
  • the barrier layer 42 is made of a biodegradable (preferably compostable material) such as biopolymers, polyglycolic acid (PGA), polyvinyl alcohol (PVOH) or copolymers, or butanediol vinyl alcohol co-polymer (BVOH) or any polymers or co-polymers where at least one of the monomer units is vinyl alcohol, and compounds or laminates of the above- mentioned materials.
  • a biodegradable preferably compostable material
  • biopolymers polyglycolic acid (PGA), polyvinyl alcohol (PVOH) or copolymers, or butanediol vinyl alcohol co-polymer (BVOH) or any polymers or co-polymers where at least one of the monomer units is vinyl alcohol, and compounds or laminates of the above- mentioned materials.
  • PGA polyglycolic acid
  • PVOH polyvinyl alcohol
  • BVOH butanediol vinyl alcohol co-polymer
  • the barrier layer 42 also comprises a metallized layer made of metals and/or metalloids preferably selected within the list of aluminium, aluminium oxide (AIOx), or silicon oxide (SiOx), or a combination thereof with a thickness comprised between 1 and 100 nm.
  • Metallized layer(s) provides an improved oxygen and water vapor barrier to the barrier layer 42.
  • the barrier layer 42 may comprise one or more of: a Butenediol-vinyl-alcohol-copolymer (BVOH) layer, a Polyvinyl-alcohol (PVOH) layer, a PVOH copolymer layer, a Polyglycolic acid (PGA) layer, cellophane, a metallization coating, a SiOx based coating, an AIOx based coating, or a combination thereof.
  • BVOH Butenediol-vinyl-alcohol-copolymer
  • PVOH Polyvinyl-alcohol
  • PGA Polyglycolic acid
  • the barrier layer 42 is configured to integrate biodegradable and/or compostable materials and to provide optimum barrier properties for an improved shelf life of the capsule and tight connection to the flange portion 3 of the capsule body.
  • each of the carrier layer 41 and the barrier layer 42 of the closing membrane 4 is made of a different biodegradable and preferably compostable material, wherein preferably the different materials distinguish in at least one of their respective physical properties, such as tensile strength, ductility, elasticity, puncture resistance, density, porosity, and/or, if applicable, fiber structure and/or fiber orientation.
  • FIGS 9A and 9B a second embedment of the closing membrane 4 is presented in which in addition to the reduced radial extension d of the carrier layer 41 vis-a- vis the closing membrane 4, the carrier layer 41 comprises a central opening C centered onto the rotational axis of the capsule 1.
  • this opening C is at the location the injection means 116 will pierce the closing membrane 4 upon closure of the brewing chamber 120 of the beverage preparation machine.
  • the closing membrane is made only from the barrier layer 42.
  • the thickness of the closing membrane 4 is therefore reduced to the thickness of the barrier layer 42 at this location.
  • the proposed alternative may help the injections means 116 of the closing member 114 piercing the closing membrane 4.
  • Figures 8A and 8B are top view of extracted capsules comprising closing membranes respectively corresponding to the closing membranes of Figures 7A and 7B.
  • the closing membrane 4 is presented after extraction.
  • the closing membrane 4 is initially (before extraction) similar to the closing membrane 7A and after extraction, it comprises a centrally located injection opening 11 made by the injection means 116 of the beverage preparation machine and peripheral beverage outlets 10 made by the opening structure 118 of the beverage preparation machine.
  • both the injection means 116 and the opening structures 118 respectively via the needle 117 and piercing elements 119 have first interacted with the carrier layer 41 of the closing membrane 4 before piercing the closing membrane 4.
  • the closing membrane 4 is presented after extraction.
  • the closing membrane 4 is initially (before extraction) similar to the closing membrane 7B and after extraction, it comprises a centrally located injection opening 11 made by the injection means 116 of the beverage preparation machine and peripheral beverage outlets 10 made by the opening structure 118 of the beverage preparation machine.
  • the injection means 116 via the needle 117 has first interacted, during closure of brewing chamber 120, with the carrier layer 41 of the closing membrane 4 and the opening structure 118 via the piercing elements has first interacted with the barrier layer 42 of the closing membrane 4, which at this location does not comprise any carrier layer 41.
  • Figures 6 and 10 are presenting in detail, the connection between the capsule body 5 equipped with the liner structure 9 and the closing membrane 4.
  • Figure 6 is a partial cross section view of the capsule 1
  • Figure 10 is an enlarged schema showing the specific connection of the closing membrane 4 and flange portion 3 of the capsule body 5.
  • the connection between the two elements is made by adhesive bonding or sealing.
  • the periphery of the closing membrane 4 is connected to the flange portion 3 of the capsule body 5.
  • the closing membrane 4 is solely constituted by the barrier layer 42 and is void of carrier layer 41.
  • the thickness of the capsule 1 (formed by assembly of the closing membrane 4 onto the capsule body 5) is reduced due to the absence of carrier Iayer41 having a radial extension d smaller than the radial extension D of the closing membrane 4.
  • the thickness of the capsule 1 at this location is reduced to the addition of the thicknesses of the following elements: capsule body 5 (150 to 250 pm), barrier liner 9 (50 to 100 pm) and barrier layer 42 of the closing membrane (30 to 50 pm).
  • the thickness of the capsule at the connection's location then ranges approximately between 230 pm and 400 pm.
  • sealing technology preferably heat sealing or ultrasonic sealing.
  • the sealing then occurs between the barrier layer 42 and the liner structure 9.
  • the thickness of the capsule 1 at the location of the connection between the closing membrane 4 and the capsule body 5 is further decreased by the pressing that is applied during the sealing, by the melting of the materials of the two elements that are sealed together and also by the material creeping occurring during the process.
  • the thickness of the capsule at the connection's location may reach less than 200 pm, for example between 180 and 200 pm. Material creeping occurring during the compression applied for the sealing, may also contribute to the thickness reduction of the capsule 1 at this location.
  • the thickness of the capsule 1 at the location the closing membrane 4 is connected to the flange portion is less than the total thickness of the different elements at this same location, namely the flange portion 3, the liner structure 9 and the barrier layer 42.
  • This further decrease of the capsule thickness at this specific location is particularly appreciated as it helps for the perfect closing of the brewing chamber 120 of the beverage preparation machine for some specific models.
  • the barrier liner 9 and the barrier layer 42 have melted together and are forming a connected (or melted) layer CL thereby reducing the total thickness of the capsule 1 at this location.
  • the injection means 116 of the brewing chamber 120 may interact with different elements of the closing membrane 4.
  • the injection means 116 face and interact with the carrier layer 41 of the closing membrane 4 while the piercing elements 119 of the opening structure 118 face and interact solely with the barrier layer 42 of the closing membrane 4.
  • the injection means 116 face and interact directly (and solely) with the barrier layer 42 of the closing membrane 4 and the opening structure 118 face and interact also directly and solely with the barrier layer 42 of the closing membrane 4.
  • the closing membrane 4 further comprises an adhesive layer, positioned on the barrier layer 42, on the side of the closing membrane 4 facing the chamber 6, for connecting the closing membrane 4 to the flange portion 3 of the capsule body 5.
  • said layer may add minimal thickness at the location of the connection between the capsule body 5 with the liner structure 9 and the closing membrane 4.
  • the adhesive layer is of a biodegradable and/or compostable material to contribute to the biodegradable / compostable properties of the entire capsule. It may be made of a vegetable-based starch or acrylic adhesive.
  • the adhesive layer is selected to be made of a different material than the barrier layer 42 and/or the liner structure 9 in order to contribute to improving the connection between the two elements.
  • the invention is also related to the use of a capsule and system as above described.
  • any reference signs placed between parentheses shall not be construed as limiting the claim.
  • the word 'comprising' does not exclude the presence of other elements or steps then those listed in a claim.
  • the terms "a” or "an,” as used herein, are defined as one or more than one.

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

Abstract

L'invention concerne une capsule (1) pour préparer une boisson dans une machine de production de boisson, la capsule (1) ayant une symétrie de rotation et comprenant : une portion de stockage (2) sous la forme d'un corps de capsule en forme de coupelle (5) comprenant une paroi latérale (52), délimitant une chambre (6) destinée à contenir une substance (7) pour la préparation de la boisson, et une portion bride (3) délimitant une ouverture circulaire (51) dans le corps de capsule (5) ; une membrane de fermeture (4) constituée de matériaux biodégradables et/ou compostables, la membrane de fermeture (4) étant reliée, le long de sa périphérie, à la portion bride (3) du corps de capsule (5), pour fermer la chambre (6), et comprenant de manière stratifiée : • une couche porteuse (41) et • une couche barrière (42) fournissant une barrière, de préférence bidirectionnelle, contre l'oxygène et/ou la vapeur d'eau ou l'humidité, la couche barrière (42) étant positionnée sur la surface de la membrane de fermeture (4) qui est orientée vers la chambre (6), la couche porteuse (41) ayant une extension radiale (d) qui est plus petite que l'extension radiale (D) de la membrane de fermeture (4). L'invention concerne également un système de préparation d'une boisson utilisant ladite capsule et l'utilisation de la capsule revendiquée.
PCT/EP2025/050282 2024-01-10 2025-01-08 Structure de couvercle supérieur compostable pour capsule de préparation de boisson Pending WO2025149496A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP24151113 2024-01-10
EP24151113.8 2024-01-10

Publications (1)

Publication Number Publication Date
WO2025149496A1 true WO2025149496A1 (fr) 2025-07-17

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Country Status (1)

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WO (1) WO2025149496A1 (fr)

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0512468A1 (fr) 1991-05-10 1992-11-11 Societe Des Produits Nestle S.A. Cartouche fermée pour la confection d'une boisson
EP0512470A1 (fr) 1991-05-08 1992-11-11 Societe Des Produits Nestle S.A. Procédé d'extraction de cartouches fermées et dispositif pour sa mise en oeuvre
US5566605A (en) 1993-11-09 1996-10-22 Seb S.A. Centrifugal type extraction cell having a deformable sealing joint for a hot beverage preparation machine
EP1165398A1 (fr) 1999-03-18 2002-01-02 Societe Des Produits Nestle S.A. Cartouche etanche destinee a fabriquer une boisson
EP1646305A1 (fr) 2003-07-10 2006-04-19 Nestec S.A. DISPOSITIF POUR L’EXTRACTION D’UNE CAPSULE
EP1654966A1 (fr) 2004-10-25 2006-05-10 Nestec S.A. Capsule avec des moyens d'étanchéité
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EP2155021A1 (fr) 2007-06-05 2010-02-24 Nestec S.A. Système de capsule, dispositif et procédé pour préparer un liquide alimentaire contenu dans un récipient par centrifugation
EP2378932A1 (fr) 2008-12-09 2011-10-26 Nestec S.A. Capsule pour préparer une boisson par centrifugation dans un dispositif de préparation de boisson et dispositif adapté pour celle-ci
EP2470053A1 (fr) 2009-08-28 2012-07-04 Nestec S.A. Système à capsule pour la préparation de boissons par centrifugation
EP2509473A1 (fr) 2009-12-08 2012-10-17 Nestec S.A. Système de capsule comprenant un moyen d'ajustement de débit
EP2528485A1 (fr) 2010-01-29 2012-12-05 Nestec S.A. Capsule et système pour préparation d'une boisson par centrifugation dans un dispositif de production de boisson
WO2013007779A1 (fr) 2011-07-12 2013-01-17 Nestec S.A. Support d'ingrédient pour boisson se fermant par pivotement et doté d'un dispositif de perçage
WO2013007780A1 (fr) 2011-07-12 2013-01-17 Nestec S.A. Actionneur pour fermer une unité de maintien d'un réceptacle contenant un ingrédient
WO2013007776A1 (fr) 2011-07-12 2013-01-17 Nestec S.A. Support d'ingrédient pour boisson se fermant par pivotement et doté d'un verrou
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