US20140170271A1 - Capsule, Device and Method for Preparing a Beverage by Extraction - Google Patents

Capsule, Device and Method for Preparing a Beverage by Extraction Download PDF

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Publication number
US20140170271A1
US20140170271A1 US13/805,025 US201113805025A US2014170271A1 US 20140170271 A1 US20140170271 A1 US 20140170271A1 US 201113805025 A US201113805025 A US 201113805025A US 2014170271 A1 US2014170271 A1 US 2014170271A1
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US
United States
Prior art keywords
capsule
foil
perforation
housing
perforation structure
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.)
Abandoned
Application number
US13/805,025
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English (en)
Inventor
Sander Gordon Zweed
Jan Andreae
Antonio Giuseppe Perra
Mark Eric Anton Arthur Klep
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.)
Biserkon Holdings Ltd
Original Assignee
Biserkon Holdings Ltd
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 Biserkon Holdings Ltd filed Critical Biserkon Holdings Ltd
Assigned to BISERKON HOLDINGS LTD. reassignment BISERKON HOLDINGS LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ANDREAE, JAN, KLEP, MARK ERIC ANTON ARTHUR, ZWEED, SANDER GORDON
Publication of US20140170271A1 publication Critical patent/US20140170271A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0668—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines specially adapted for cartridges
    • A47J31/0673—Means to perforate the cartridge for creating the beverage outlet
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/24—Extraction of coffee; Coffee extracts; Making instant coffee
    • A23F5/26—Extraction of water-soluble constituents
    • A23F5/262—Extraction of water-soluble constituents the extraction liquid flows through a stationary bed of solid substances, e.g. in percolation columns
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
    • A47J31/407—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea with ingredient-containing cartridges; Cartridge-perforating means
    • 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
    • B65D85/8052—Details of the outlet
    • 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
    • B65D85/8064—Sealing means for the interface with the processing machine

Definitions

  • the invention relates to a capsule for use in a device for preparing beverages.
  • the invention also relates to an assembly of such a capsule and a device for preparing beverages.
  • the invention relates to a perforation structure evidently intended for use in such a capsule according to the invention.
  • the invention also relates to the use of such a capsule in a device for preparing beverages.
  • the invention further relates to a method for preparing beverages by making use of such an assembly.
  • a known capsule as described for instance in EP 0512468 comprises a housing provided with a perforable supply side for injecting a liquid into the housing and with a discharge side located at a distance from the supply side and provided with an opening for the purpose of discharging liquid injected into the housing, a quantity of substance for extraction received in the housing, such as ground coffee beans, and a pierceable foil connected to the housing and sealing the opening located on the discharge side.
  • This known capsule can be placed in a device for preparing a beverage. The capsule is placed for this purpose in a receiving space of a capsule holder of the device. The capsule is clampingly supported here in the receiving space by a support and a clamp.
  • the supply side of a housing of the capsule is perforated by subsequently moving a liquid injector through the housing of the capsule, and a relatively hot liquid, in particular water, can be introduced into the housing under a relatively high pressure, generally of between 15 and 20 bar.
  • the foil is perforated by moving a perforation plate forming part of the capsule holder and the capsule toward each other and the extracted liquid flows via the perforation plate into a beverage container.
  • An object of the invention is to provide for the above stated need.
  • the invention provides for this purpose a capsule of the type stated in the preamble, comprising: a housing at least partially filled with a substance to be extracted and/or dissolved, such as ground coffee, wherein the housing is provided with a supply side for pressing a liquid such as water into the capsule, and with a discharge side located a distance from the supply side for discharging liquid provided with extract and/or dissolved substance and guided through the capsule, wherein at least a part of the discharge side of the housing is initially sealed by a perforable foil; a laterally protruding engaging edge connected to the housing to enable clamping of the capsule in a device for preparing beverages; and a perforation structure coupled substantially rigidly to the engaging edge and/or the housing and provided with at least one perforation element facing toward the foil for perforating the foil, which perforation structure is positioned substantially on a side of the foil remote from the housing, wherein perforation of the foil is caused by deformation of the foil during pressing of the liquid through the capsule.
  • a conventional perforation plate forming part of the device is no longer required.
  • the advantage hereof is that the prepared beverage need no longer be pressed through the conventional perforation plate of the device, but can optionally be delivered directly from the capsule to a drinking cup. This can drastically reduce the beverage residue left behind in the device, this being advantageous from a hygiene viewpoint and reducing the required maintenance on the device. It is moreover possible in this way to prevent, or at least counter, beverage pressed out of the capsule mixing with beverage residues coming from one or more already used capsules and already present in the device, whereby the taste of the beverage to be prepared can be guaranteed as fully as possible.
  • the perforation structure will be connected substantially rigidly (non-displaceably) to the housing, whereby the external dimensioning of the capsule must generally be smaller than or the same as a volume enclosed by the capsule holder.
  • the perforation structure will generally be provided with one or more throughflow channels or throughfeed openings extending between a side of the perforation structure facing toward the foil and a side of the perforation structure remote from the foil.
  • the particular advantage here is that the number of throughflow channels to be applied and the dimensioning of these throughflow channels can be wholly adapted to the nature of the beverage to be prepared, wherein the intensity of the aeration, the extent of the pressure buildup and the swirling of the beverage pressed out of the capsule can be regulated, which can considerably enhance the taste sensation during consumption of the beverage.
  • the foil will be perforated by the generally pointed perforation elements and will be pressed during use against the perforation structure, a filtering action will be realized, whereby solid constituents such as coffee dregs can be kept in the housing.
  • the supply side will otherwise generally take a closed form initially, wherein the supply side will be perforated in the device during use. It is also possible to envisage the supply side already being pre-perforated during the production process, whereby further perforation in the device can be dispensed with.
  • the drawback hereof is however that the capsule generally has to be packaged in order to enable a sufficiently long shelf-life of the substance, and therefore of the capsule.
  • the capsule can optionally be filled with an inert gas, such as nitrogen or carbon dioxide, in order to further increase the shelf-life of the substance.
  • an inert gas such as nitrogen or carbon dioxide
  • the result hereof is that a slight overpressure of several hundred millibar will generally be present in the capsule. This overpressure can possibly increase to some extent if coffee powder, which naturally generates a limited amount of gas, is received in the capsule.
  • the housing can be manufactured from diverse materials, including an aluminum and/or plastic, in particular polypropylene (PP).
  • PP polypropylene
  • the housing will generally be manufactured from a laminate of a plurality of plastic layers, such as PP and ethylene vinyl alcohol (EVOH).
  • EVOH ethylene vinyl alcohol
  • an aluminum housing it is generally also usual to laminate the aluminum with one or more additional layers, including a protective lacquer coating in order to avoid direct contact of aluminum with the beverage to be prepared, and including for instance a PP layer to enable realization of an (ultrasonic) welded connection to the foil.
  • the foil generally also comprises aluminum which is optionally provided on one or two sides with a PP layer in order to facilitate one or two-sided adhesion of the foil.
  • the foil comprising aluminum oxide (ALOX), optionally laminated with plastic such as polyethylene terephthalate (PET), whereby an exceptionally thin foil can be obtained with a thickness in the order of magnitude of several microns.
  • ALOX aluminum oxide
  • PET polyethylene terephthalate
  • the foil is generally connected by means of welding and/or adhesion to the engaging edge, in particular to a flange forming part of the housing.
  • the perforation structure usually takes a plate-like form in order to limit the volume taken up by the capsule.
  • the perforation structure is preferably positioned at least partially in a volume enclosed by the housing.
  • the advantage hereof is that the dimensioning of the housing need not be adapted to the standard dimensioning of a capsule and capsule holder, this being advantageous from an economic point of view. It is advantageous here for the perforation structure to connect substantially seamlessly to the engaging edge, wherein the perforation structure can even form an integral part of or be integrally connected to at least a part of the engaging edge. It is a further advantage that a side of the perforation structure remote from the foil and a side of the engaging edge are located in the same plane, so that a completely flat underside of the capsule can in fact be realized.
  • the housing and the perforation structure are generally positioned initially on either side of a plane defined by (a central part of) the foil.
  • a suitable material for a perforation structure is plastic, such as for instance PP or polyethylene (PE).
  • the engaging edge generally comprises at least one flange connected integrally to the housing. It is also possible to envisage the flange being chemically and/or mechanically connected to an inner side and/or outer side of the housing.
  • the engaging edge will usually be constructed in laminated manner from at least one flange connected to the housing and a support structure coupled to the flange, the support structure being optionally integrally connected to the perforation structure. An edge periphery of the perforation structure is optionally connected via at least one connecting element to the engaging edge.
  • the support structure will generally take a substantially annular form here, because the flange will usually have the same shape. It is possible here to envisage the support structure at least partially enclosing, and even being able to clamp, the flange.
  • the support structure can be constructed from a plurality of parts which are mutually connected during the production process, for instance by means of welding or adhesion.
  • the perforation structure and the support structure are preferably manufactured at least partially from the same material, such as polypropylene, in order to enable realization of a reliable mutual connection.
  • the perforation structure and the support structure being integrally connected to each other and being manufactured in the same production step, for instance by means of injection moulding.
  • the support structure can here in fact be deemed as an (integral) extension of the perforation structure.
  • the support structure is preferably constructed here from a lower part initially connected directly to the perforation plate and an upper part connected to the lower part, wherein the lower part and the upper part are at least positioned at least partially on either side of the flange connected to the housing or forming part of the housing, whereby the flange is at least partially covered on an underside and an upper side by the support structure.
  • the upper part of the support structure can be connected integrally to the lower part of the support structure, wherein the support structure is even manufactured from one material, in particular plastic, preferably polypropylene.
  • the lower part of the support structure will however generally be adapted to initially hold (support) the perforation structure and the upper part of the support structure will generally be adapted as sealing element.
  • the upper part of the support structure is preferably manufactured for this purpose from a composition comprising polypropylene and an elastomeric copolymer of units of ethylene and units of an ⁇ -olefin, such as ethylene, propylene or 1-butene.
  • the upper part of the support structure is preferably manufactured at least partially from a composition comprising 20-50% by weight crystalline polypropylene and 50-80% by weight elastomeric ethylene copolymer.
  • thermoplastic polypropylene-based elastomer Further details of the thermoplastic polypropylene-based elastomer are described in EP 0770106 and EP 0472946.
  • Such thermoplastic polyolefins are commercially available under the brand names Hifax®, in particular Hifax® 7334 XEP, Adflex®, in particular Adflex® X500F, and Softell®. It is otherwise also possible to envisage providing an outer surface of the capsule with at least one other type of sealing element for sealing the capsule in the device.
  • the perforation structure is provided with a plurality of throughflow channels for discharge of liquid, the throughflow channels extending from a side of the perforation structure facing toward the foil to a side of the perforation structure remote from the foil.
  • the perforation structure is generally also provided with a plurality of perforation elements. It is possible here to envisage at least a number of throughflow channels being located at a distance from the perforation elements. It is however also possible to envisage, and even advantageous, for at least one perforation element to be provided with one or more throughflow channels. It is found particularly advantageous in practice to apply a conical perforation element through which extend three throughflow channels which debouch in the cone wall, whereby blocking of the throughflow channels by perforated foil parts can be prevented.
  • a side of the perforation structure remote from the foil is provided with at least one surface groove, the surface groove connecting to at least one outer end of at least one throughflow channel. It is further possible to envisage a side of the perforation structure remote from the foil being provided with a plurality of surface grooves, the surface grooves connecting the outer ends of the throughflow channels to each other. The surface grooves can connect to each other and intersect each other and in this way form a network.
  • the perforation elements must be sufficiently sharp to be able to perforate the foil. It is therefore advantageous that at least a number of perforation elements take a pointed, in particular pyramid-shaped and/or cone-shaped form.
  • a cone-shaped (conical) shape is generally recommended above a pyramid-shaped embodiment, since the conical embodiment has a periphery varying less pronouncedly as seen in the height of the perforation elements, whereby the foil will tear and/or deform more gradually and therefore more easily.
  • An edge part of the perforation structure facing toward the foil is generally provided with one or more perforation elements for realizing an edge perforation in the foil.
  • the perforation element can here form a cutting edge which can extend over the whole or partial edge part of the perforation structure.
  • the foil initially engages under bias on at least one perforation element. This is because sufficient pressure buildup in the housing of the capsule will, as a result of the bias, result relatively quickly in perforation of the foil.
  • a side of the perforation structure remote from the foil is provided with an upright sealing edge which protrudes in a direction away from the foil.
  • This upright sealing edge provides on the one hand for an improved connection of the capsule to the device, and thereby for an improved sealing.
  • the application of the upright sealing edge moreover makes the perforation structure stackable (nestable) with another perforation structure, this being particularly advantageous during the production process.
  • the invention also relates to an assembly of a capsule according to the invention and a device for preparing beverages, which device comprises a capsule holder for receiving the capsule.
  • the capsule holder here preferably comprises a plurality of holder parts which are mutually displaceable between an opened state, in which the capsule can be placed in the capsule holder, and a closed state in which the engaging edge of the capsule is clamped substantially liquid-tightly by the holder parts.
  • the invention further relates to the use of a capsule according to the invention in a device for preparing beverages.
  • the invention relates to a perforation structure evidently intended for use in a capsule according to the invention.
  • the perforation structure will generally be optionally integrally connected here to a support structure.
  • the invention moreover relates to a method for preparing a beverage by making use of an assembly according to the invention, comprising of: A) placing a capsule in at least a part of an opened capsule holder, B) closing the capsule holder with substantially liquid-tight clamping of the engaging edge of the capsule, C) pressing liquid, in particular water, into the capsule via the supply side of the capsule, whereby the foil will be pressed against the perforation structure and will be perforated by the at least one perforation element, and D) discharging via the perforated foil liquid guided through the capsule.
  • the supply side is generally also perforated by perforation means forming part of the capsule holder.
  • FIGS. 1-6 show different views of a first embodiment of a capsule, or part thereof, according to the invention
  • FIGS. 7-9 show cross-sections of a capsule according to FIGS. 1-6 in a capsule holder of a device for preparing beverages;
  • FIG. 10 is a perspective view of a second embodiment of a capsule according to the invention.
  • FIG. 11 shows a cross-section of the capsule according to FIG. 10 along the line C-C;
  • FIG. 12 is a perspective view of the perforation structure of the capsule according to FIG. 10 ;
  • FIG. 13 shows a cross-section of the piercing element according to FIG. 12 along the line D-D.
  • FIG. 1 shows a perspective view and FIG. 2 shows a cross-section of a first embodiment of a capsule 1 according to the invention.
  • Capsule 1 comprises for this purpose a substantially frustoconical (truncated conical) housing 2 at least partially filled with a substance to be extracted and/or dissolved, such as ground coffee, tea, cocoa, milk powder and so on.
  • Housing 2 comprises a perforable upper wall 3 which forms a supply side of capsule 1 .
  • the upper wall will be perforated in a capsule holder of a device for preparing beverages, after which water, in practice generally a mixture of water and air, is pressed into capsule 1 at a pressure of between 1 and 20 bar.
  • Housing 2 also comprises a peripheral wall 4 which is integrally connected to upper wall 3 and which tapers to some extent in the direction of upper wall 3 , wherein in the shown situation peripheral wall 4 encloses an angle with the vertical lying between 5° and 7°, this angle of inclination corresponding to the complementary angle of inclination of a number of capsule holders available on the market, whereby the volume of housing 2 can be maximized.
  • Peripheral wall 4 is provided with a ridge 5 to enable better fitting of capsule 1 on many of the known capsule holders.
  • Housing 2 further comprises a plurality of strengthening elements 6 arranged recessed into upper wall 3 and/or peripheral wall 4 . Strengthening elements 6 resist deformation of housing 2 as much as possible during use.
  • housing 2 comprises a flange 7 which is integrally connected to the peripheral wall (see FIG. 2 ) and which as such forms part of an engaging edge 14 of capsule 1 , this engaging edge 14 being adapted to allow clamping of capsule 1 by the capsule holder.
  • An inner edge of flange 7 does in fact define (a part of) the discharge side of capsule 1 , this discharge side being initially sealed substantially medium-tightly by a foil 8 connected to flange 7 .
  • the connection between flange 7 and foil 8 is preferably realized by means of (ultrasonic) heat welding, whereby a relatively reliable connection can be realized between flange 7 and foil 8 . It is advantageous here for the contact surfaces for fusing together to be manufactured from the same material, such as PP.
  • Flange 7 is clamped by and/or enclosed by and/or connected to a support structure 9 for a plate-like perforation structure 10 .
  • support structure 9 is connected integrally to perforation structure 10 .
  • Support structure 9 has a modular construction of an upper part 9 a and a lower part 9 b connected, preferably welded, to upper part 9 a.
  • Upper part 9 a of support structure 9 is in principle adapted to seal capsule 1 in the capsule holder, while lower part 9 b of support structure 9 is in principle adapted to initially hold perforation structure 10 .
  • Upper part 9 a and lower part 9 b can optionally be connected as separate elements to flange 7 . As shown in FIG.
  • perforation structure 10 is substantially wholly enclosed by a volume enclosed by housing 2 , wherein housing 2 and perforation structure 10 are separated by foil 8 .
  • perforation structure 10 comprises a plurality of perforation elements 12 . All perforation elements 12 are embodied pyramid-shaped and have a pointed outer end directed toward foil 8 and are adapted to perforate foil 8 . Between perforation elements 12 are throughflow channels 13 extending from an upper side of perforation structure 10 to an underside of perforation structure 10 in order to enable discharge of water enriched with the substance, i.e. the prepared beverage, in capsule 1 . As shown in FIG.
  • the diameter of throughflow channels 13 increases to some extent in the direction of an underside of perforation structure 10 , this enhancing discharge of prepared average from capsule 1 as well as aeration of the beverage.
  • an underside of perforation structure 10 takes a substantially flat form and also defines an underside of capsule 1 .
  • the underside of perforation structure 10 and an underside of engaging edge 11 moreover lie in the same plane, this enhancing handling (storage, transport and use) of capsule 1 .
  • foil 8 engages on substantially all perforation elements 12 , such however that foil 8 remains intact (closed).
  • perforation structure 10 comprises an upright peripheral edge 14 which is located in housing 2 which protrudes just as far as perforation elements 12 and which can be used to attach foil 8 thereto, whereby foil 8 no longer need be connected to flange 7 , which can be advantageous from a structural viewpoint.
  • upper part 9 a of support structure 9 is manufactured from a resilient material such as a TPO.
  • a reliable seal of the capsule in the capsule holder is realized by the thermoplastic character of the material of upper part 9 a of support structure 9 .
  • thermoplastic polymers are manufactured using equipment suitable for processing resins. Thermoplastic polymers are quicker and easier to manufacture than thermosetting elastomers, which are manufactured in three lengthy steps (mixing, injection moulding and cross-linking).
  • thermoplastic polymers can moreover be fully or partially recycled.
  • lower part 9 b of support structure 9 is generally manufactured at least partially from PP and ultrasonic welding is recommended to mutually connect lower part 9 b and upper part 9 a, it is advantageous for a thermoplastic polypropylene-based elastomer to be applied, such as Adflex®, in particular Adflex® X500F.
  • FIG. 3 is a perspective view and FIG. 4 is a top view of the assembly of support structure 9 and the perforation structure 10 connected (integrally) to support structure 9 .
  • FIG. 3 shows that perforation elements 12 take a pyramid-shaped form. Cone-shaped (conical) perforation elements can optionally be used instead, which can also be advantageous.
  • Throughflow channels 13 are positioned between perforation elements 12 .
  • Perforation elements 12 can optionally be provided with throughflow channels.
  • FIG. 4 shows the regular arrangement of perforation elements 12 and the throughflow channels 13 located therebetween. The size and positioning of throughflow channels 13 and the number of throughflow channels 13 can be adapted to the nature of the beverage to be prepared.
  • the pressure buildup in the capsule can for instance be increased by making throughflow channels 13 smaller, whereby more substance will generally be carried by the water, this resulting in a stronger beverage.
  • Engaging edge 14 of perforation structure 10 can be adapted to engage with clamping fit or under bias on an inner side of housing 2 , whereby an improved edge seal can be obtained between housing 2 and perforation structure 10 , whereby water is forced to leave capsule 1 via throughflow channels 13 .
  • FIG. 5 is a bottom view of capsule 1 , which shows that the diameter of throughflow channels 13 increases in the direction of the underside of perforation structure 10 .
  • the underside of perforation structure 10 can optionally be provided with a network of surface grooves mutually connecting the lower outer ends of throughflow channels 13 , whereby possible sealing of throughflow channels 13 by the capsule holder, and thereby blockage of capsule 1 , can be prevented.
  • FIG. 6 is a side view of the assembly according to FIGS. 3-5 , showing particularly that perforation elements 12 protrude no further than engaging edge 14 of perforation structure 10 .
  • the wall thickness thereof can vary and be adapted to the functionality of the relevant part of housing 2 .
  • the thickness of flange 7 can for instance amount to between 0.30 and 0.65 mm, while the thickness of the upper wall amounts to 0.15 mm.
  • a slight overpressure of 200 to 300 mbar is present in capsule 1 so that deformation of capsule 1 can be resisted prior to use, foil 8 can be pressed against perforation structure 10 and as much oxygen as possible driven out of capsule 1 during the production process.
  • a typical height of the central perforation elements 12 amounts to between 1 and 2 mm, wherein the length of throughflow channels 13 preferably lies between 0.3 and 0.45 mm.
  • the (narrowest) diameter of throughflow channels 13 amounts to between 0.7 and 0.9 mm.
  • the width of connecting elements 11 amounts in this example to between 1 and 2 mm.
  • the overall thickness of engaging edge 14 amounts to about 1.0 mm, wherein the thickness of flange 7 preferably lies between 0.3 and 0.4 mm, the thickness of foil 8 amounts to about 0.02 mm, the thickness of upper part 9 a of support structure 9 amounts to about 0.3 mm and the thickness of lower part 9 b of support structure 9 also amounts to about 0.3 mm.
  • FIGS. 7 and 9 show different cross-sections of a capsule 1 as according to FIGS. 1-6 in a capsule holder 15 of a device for preparing beverages such as a coffee machine, in an opened situation prior to use of capsule 1 ( FIG. 7 ) and in a closed situation in which the beverage can be prepared ( FIG. 8 ), and in a closed situation in which water is pressed through capsule 1 ( FIG. 9 ).
  • Capsule holder 15 here comprises a first holder part 15 a and a second holder part 15 b displaceable relative to first holder part 15 a.
  • First holder part 15 a comprises one or more cutting elements 16 for perforating upper wall 3 of capsule 1 .
  • First holder part 15 a further comprises a clamping edge 17 for pressing engaging edge 11 onto second holder part 15 b such that capsule holder 15 is sealed substantially completely liquid-tightly, whereby leakage of water via the formed seam can be prevented.
  • Second holder part 15 b is provided with one or more discharge openings 18 for beverage.
  • Capsule 21 comprises a housing 22 manufactured from a plastic.
  • the housing comprises a pierceable supply side for water 22 a and a discharge side 22 b which is located at a distance from the supply side for water 22 a and provided with an opening for discharge of water injected into the housing.
  • the opening on discharge side 22 b is sealed by a pierceable, flexible foil 25 .
  • On the discharge side housing 22 comprises a support edge 22 c, whereby capsule 21 can be placed unambiguously in a device for preparing beverages and does not displace, or hardly so, during use. Capsule 21 will moreover be clamped by the device via support edge 22 c.
  • Foil 25 is connected here to housing 22 by means of an adhesive connection or welded connection to support edge 22 c and a part of the inner side of housing 22 close to support edge 22 c (see also FIG. 11 ).
  • the strength of foil 25 and the adhesive connection between foil 25 and housing 22 is sufficiently strong to withstand the force obtained during guiding of water under a pre-known pressure into capsule 21 .
  • Housing 22 is connected to a plate-like perforation structure 26 .
  • Perforation structure 26 is situated on the side of foil 25 facing toward the outer side of the housing.
  • Perforation structure 26 is provided with a plurality of continuous openings 27 which are distributed over perforation structure 26 and which form an outer end of throughflow channels 28 arranged in perforation structure 26 for discharge of water guided through capsule 21 .
  • the perforation structure 26 On the side of perforation structure 26 facing toward the inner side, i.e. the side of perforation structure 26 facing toward the foil, the perforation structure 26 comprises a plurality of protrusions placed distributed over the surface of perforation structure 26 and formed as pyramids 29 (see also FIG. 11 ). Pyramids 29 comprised tips 30 for piercing foil 25 from the outer side of capsule 21 . Openings 27 are located here between pyramids 29 .
  • foil 25 rests on perforation structure 26 .
  • a force F will be exerted on foil 25 , wherein this force will urge foil 25 in the direction of the perforation structure 26 provided with pyramids 29 .
  • capsule 21 comprises its own perforation structure 26 , no separate piercing element is required as is necessary with use of the known capsules. This makes the device for preparing a beverage not only simpler, since the beverage can flow directly out of capsule 21 through the openings and channels 28 into a beverage container, the risk of contamination of the device is also reduced. The device hereby requires less maintenance, thereby increasing convenience of use.
  • FIG. 11 shows a cross-sectional view of the capsule according to FIG. 10 along the line C-C.
  • the housing of the capsule 21 shown here is formed as a truncated cone, the housing of the capsule can also be embodied as a cylinder or in other conceivable form.
  • FIG. 12 shows the piercing element of capsule 21 according to FIG. 10 embodied as perforation structure 26 .
  • FIG. 13 shows a section along line D-D of the piercing element according to FIG. 12 embodied as perforation structure 26 .
  • Perforation structure 26 here comprises a peripheral edge 31 for placing perforation structure 26 in housing 22 . Peripheral edge 31 can also be employed for (liquid-tight) attachment of the foil.
  • Perforation structure 26 is also provided with a flange 32 which is connected integrally to peripheral edge 31 and which can be deemed as support structure of perforation structure 26 .
  • Perforation structure 26 will be connected here via the flange 32 functioning as support structure to the flange 22 c forming an integral part of housing 22 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Apparatus For Making Beverages (AREA)
  • Tea And Coffee (AREA)
  • Packages (AREA)
US13/805,025 2010-06-18 2011-06-20 Capsule, Device and Method for Preparing a Beverage by Extraction Abandoned US20140170271A1 (en)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
NL2004921 2010-06-18
NL2004921 2010-06-18
NL2005196 2010-08-05
NL2005196 2010-08-05
NL2005483 2010-10-07
NL2005483 2010-10-07
NL2005559 2010-10-21
NL2005559 2010-10-21
NL2005642 2010-11-05
NL2005642 2010-11-05
NL2006758 2011-05-10
NL2006758 2011-05-10
NL2006772 2011-05-12
NL2006772 2011-05-12
PCT/NL2011/050443 WO2011159163A1 (fr) 2010-06-18 2011-06-20 Capsule, dispositif et procédé pour préparer une boisson par extraction

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US20140170271A1 true US20140170271A1 (en) 2014-06-19

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US13/805,025 Abandoned US20140170271A1 (en) 2010-06-18 2011-06-20 Capsule, Device and Method for Preparing a Beverage by Extraction
US13/805,189 Abandoned US20150037470A1 (en) 2010-06-18 2011-06-20 Capsule, Device and Method for Preparing a Beverage by Extraction

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US13/805,189 Abandoned US20150037470A1 (en) 2010-06-18 2011-06-20 Capsule, Device and Method for Preparing a Beverage by Extraction

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US (2) US20140170271A1 (fr)
EP (2) EP2582596A1 (fr)
JP (2) JP2013533012A (fr)
CN (2) CN103038145A (fr)
AU (2) AU2011265826A1 (fr)
BR (2) BR112012033792A2 (fr)
CA (2) CA2802992A1 (fr)
MX (2) MX2012015111A (fr)
RU (2) RU2013101523A (fr)
SG (2) SG186754A1 (fr)
WO (2) WO2011159163A1 (fr)
ZA (1) ZA201300107B (fr)

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US10835074B2 (en) 2015-05-15 2020-11-17 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
US20210137302A1 (en) * 2007-07-13 2021-05-13 Adrian Rivera Brewing Material Container for a Beverage Brewer
US11091315B2 (en) * 2016-06-28 2021-08-17 Societe Des Produits Nestle S.A. Capsule for beverage preparation machine
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
US11198557B2 (en) 2016-10-07 2021-12-14 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage
US20220079372A1 (en) * 2017-10-23 2022-03-17 Adrian Rivera Windowed Single-Serving Brewing Material Holder
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
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
US11540659B2 (en) 2017-07-14 2023-01-03 Koninklijke Douwe Egberts B.V. Assembly of a capsule and a brew chamber
US11548722B2 (en) * 2010-07-22 2023-01-10 K-Fee System Gmbh Portion capsule having an identifier
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
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
US11760561B2 (en) 2015-05-15 2023-09-19 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
US11805934B1 (en) * 2020-10-21 2023-11-07 Adrian Rivera Brewing material lid and container for a beverage brewer
US11827446B2 (en) 2015-10-27 2023-11-28 Koninklijke Douwe Egberts B.V. Capsule, system and method for preparing a beverage

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CA3041722A1 (fr) 2016-11-09 2018-05-17 Pepsico, Inc. Machines, procedes et systemes de fabrication de boisson gazeuse
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USD844379S1 (en) * 2017-04-13 2019-04-02 Flo-Societa' Per Azioni Coffee capsule
USD845705S1 (en) * 2017-12-21 2019-04-16 Flo—Società Per Azioni Coffee capsule
USD871837S1 (en) * 2018-03-22 2020-01-07 Bedford Systems Llc Beverage cartridge
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USD908480S1 (en) * 2018-10-15 2021-01-26 Euro-Caps Holding B.V. Capsule
KR20210101211A (ko) * 2018-12-12 2021-08-18 소시에떼 데 프로듀이 네슬레 소시에떼아노님 개방 수단과의 맞물림을 위한 변위가능 멤브레인을 갖는 식품 또는 음료 제조용 캡슐
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US11832755B2 (en) * 2007-07-13 2023-12-05 Adrian Rivera Brewing material container for a beverage brewer
US20210137302A1 (en) * 2007-07-13 2021-05-13 Adrian Rivera Brewing Material Container for a Beverage Brewer
US11548722B2 (en) * 2010-07-22 2023-01-10 K-Fee System Gmbh Portion capsule having an identifier
US10822160B2 (en) * 2013-07-10 2020-11-03 Societe Des Produits Nestle S.A. Capsule for beverage preparation
US20180141747A1 (en) * 2013-07-10 2018-05-24 Nestec S.A. Capsule for beverage preparation
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
US11760561B2 (en) 2015-05-15 2023-09-19 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
US10835074B2 (en) 2015-05-15 2020-11-17 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
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
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
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
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
US11827446B2 (en) 2015-10-27 2023-11-28 Koninklijke Douwe Egberts B.V. Capsule, system and method for preparing a beverage
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
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
US11091315B2 (en) * 2016-06-28 2021-08-17 Societe Des Produits Nestle S.A. Capsule for beverage preparation machine
US11198557B2 (en) 2016-10-07 2021-12-14 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage
US11866249B2 (en) 2016-10-07 2024-01-09 Koninklijke Douwe Egberts B.V. System for preparing a potable beverage
US11540659B2 (en) 2017-07-14 2023-01-03 Koninklijke Douwe Egberts B.V. Assembly of a capsule and a brew chamber
US11844453B2 (en) 2017-07-14 2023-12-19 Koninklijke Douwe Egberts N.V. Capsule for the preparation of a beverage
US20220079372A1 (en) * 2017-10-23 2022-03-17 Adrian Rivera Windowed Single-Serving Brewing Material Holder
US11805934B1 (en) * 2020-10-21 2023-11-07 Adrian Rivera Brewing material lid and container for a beverage brewer

Also Published As

Publication number Publication date
WO2011159162A1 (fr) 2011-12-22
BR112012033792A2 (pt) 2019-09-24
MX2012015111A (es) 2013-05-28
RU2013101524A (ru) 2014-07-27
CA2802989A1 (fr) 2011-12-22
AU2011265827A1 (en) 2013-01-31
MX2012015119A (es) 2013-06-03
AU2011265826A1 (en) 2013-01-31
CA2802992A1 (fr) 2011-12-22
EP2582597A1 (fr) 2013-04-24
CN103038145A (zh) 2013-04-10
US20150037470A1 (en) 2015-02-05
EP2582596A1 (fr) 2013-04-24
JP2013533011A (ja) 2013-08-22
ZA201300107B (en) 2013-09-25
CN103038144A (zh) 2013-04-10
RU2013101523A (ru) 2014-07-27
WO2011159163A1 (fr) 2011-12-22
SG186754A1 (en) 2013-02-28
SG186753A1 (en) 2013-02-28
JP2013533012A (ja) 2013-08-22
BR112012033790A2 (pt) 2019-09-24

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