EP1101430A1 - Système de filtration à cartouches - Google Patents

Système de filtration à cartouches Download PDF

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Publication number
EP1101430A1
EP1101430A1 EP00310131A EP00310131A EP1101430A1 EP 1101430 A1 EP1101430 A1 EP 1101430A1 EP 00310131 A EP00310131 A EP 00310131A EP 00310131 A EP00310131 A EP 00310131A EP 1101430 A1 EP1101430 A1 EP 1101430A1
Authority
EP
European Patent Office
Prior art keywords
beverage
container
stepped
filter cartridge
brewing chamber
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.)
Withdrawn
Application number
EP00310131A
Other languages
German (de)
English (en)
Inventor
Robert Hale
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1101430A1 publication Critical patent/EP1101430A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8049—Details of the inlet
    • 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
    • B65D85/8061—Filters

Definitions

  • This invention relates to a beverage filter cartridge, and more particularly to a disposable stepped beverage filter cartridge system for brewing different types of single serving beverages.
  • Single serving beverage coffee devices are very popular because they provide a single serving of fresh coffee quickly.
  • beverage server devices have been developed for making a single beverage server for both coffee and tea.
  • One such device is a disposable container which fits on top of a cup and has a compartment for receiving a beverage extract with a large reservoir on top into which boiling water is provided. While devices are convenient to use due to the fact that the coffee is exposed to the air and the flow rate of the extracted beverage slow, the resultant extracted coffee is not as fresh and tasty as would be desired.
  • Another device comprises a sealed receptacle in which a sealed filter is provided and supported by a support member. When the filter is wetted it sags and conforms to the support member which has a small hole in it to release the filtered beverage. Again, this device is convenient to use but provides for low flow rates and consequently, a less than desired extracted coffee product.
  • U.S. Patent No. 5,325,765 discloses a beverage filter cartridge having a self supporting wettable filter that provides an enlarged filter outflow chamber.
  • U.S. Patent No. 5,840,189 discloses an imperforate beverage filter cartridge adapted to hermetically contain a beverage extract which is pierceable to accommodate injection of liquid into the cartridge for combining with the extract and produce a beverage.
  • the filters are substantially cone shaped and the water is introduced at the top of cartridge. This results in an uneven mixing of the introduced water with the beverage powder or extract and consequently, the resultant beverage is not as tasty as desired.
  • a novel beverage filter cartridge system for brewing different types of single serving beverages.
  • the beverage filter cartridge system provides for a single serving of a desired beverage in a rapid manner and is fully disposable after a single use.
  • the unique shape and configuration of the cartridge is a stepped conical shape which provides for a maximal extraction of the desired beverage powder with an aqueous medium resulting in a superior and better flavoured product.
  • the beverage filter cartridge is preferably made containing coffee or tea however it may be manufactured to contain a variety of beverage powders including soups, hot chocolate, herbal teas and specialized drinks. Flavour enhancers may also be added to the filter cartridge.
  • the stepped beverage filter cartridge is provided as a hermetically sealed cartridge such that the selected beverage powder contained therein remains fresh for long periods of time.
  • the beverage powder may be nitrogen flushed and/or be provided with an oxygen barrier to promote for additional freshness.
  • the stepped beverage filter cartridge is easy to use, and provides a single serving of beverage in a fast and economical manner.
  • a stepped beverage filter cartridge system which is small and compact and still provides a high flow rate.
  • a further aspect of the invention is the provision of a stepped beverage cartridge which is simple and economical to use and can be disposed after a single use.
  • the cartridge is preferably made as a single part and thus is economical to manufacture, however, it is possible to may the cartridge from several different parts which are adhered together by suitable means.
  • a stepped beverage cartridge which is hermetically sealed for freshness and against contamination.
  • the unique vertical stepped shape of the beverage filter cartridge of the invention helps to reinforce the cartridge against external and internal pressure.
  • the cartridge may optionally further comprise a recessed support in the top or bottom end of the cartridge.
  • a stepped beverage filter cartridge system comprising a sealed stepped container, a filter element internally subdividing the container to form a brewing chamber, a beverage powder contained in the brewing chamber, liquid inlet means piercing the container to provide hot pressurized water to the brewing chamber and a liquid outlet means to allow for extracted beverage product to be removed and collected.
  • a beverage brewing apparatus comprising a conventional housing having a stepped beverage filter cartridge system introduced therein.
  • the beverage filter cartridge 10 of the present invention includes a stepped conical container 12, an impermeable base member 14, a filter element 16, a porous membrane 18 and a cake of desired beverage powder 20.
  • the container has four vertical steps 22a, 22b, 22c, 22d of decreasing circumference.
  • the steps 22a, 22b, 22c, 22d of the container are seen as concentric circles from a top plan view.
  • the top of the container 23 which is step 22d is seen as the smallest center circle.
  • the bottom portion of the first step 22a of the container 12 has an outward flange 24. While the base member 14 and filter element 16 are shown to be essentially straight and flat, either or both may optionally be fabricated to be convex or concave.
  • the container 12 and the base member 14 can be fabricated from any type of suitable plastic material such as polystyrene, polypropylene or a suitable polymeric laminate.
  • the base member 14 is permanently bonded to the bottom of the container. Specifically, the base member 14 is bonded to the bottom of the outward flange 24.
  • the filter element 16 is permanently bonded within the container at the top of the bottom step of the container, which is seen in Figure 1 to be at the top of step 22a.
  • the filter element 16 is preferably made of a polypropylene or polystyrene material.
  • the beverage powder 20 is provided directly on top of the filter element 16.
  • the desired beverage powder 20 is provided in a premeasured amount in order to fill one or two steps of the container. Methods for manufacturing the container and filter element are well known in the art.
  • the container may be recyclable and further packaged as desired.
  • the container 12 has four vertical steps 22a, 22b, 22c and 22d.
  • the base member 14 is bonded to the bottom of the flange 24.
  • the filter element 16 is provided sealingly engaged or bonded within the top of the first step 22a of the container 12.
  • a porous membrane 18 is provided sealingly engaged at the bottom portion 23 of step 22d of the container.
  • a plenum inlet 26 is provided on the side of step 22d of the container for the entry of hot pressurized water.
  • a plenum outlet 27 is provided on the side of step 22a in order to allow the outflow of the extracted coffee beverage and dispense it to a cup or a container. Steps 22b and 22d together form a brewing chamber 28 which contains the beverage powder.
  • FIG. 4 shows a container similar to that shown in Figure 3 with the exception that the porous membrane 18 is provided sealingly engaged at the bottom portion of step 22c of the container. In this manner, the brewing chamber is defined by step 22c. Such a smaller brewing chamber is designed to provide for a smaller volume of single serving beverage product than that illustrated in Figure 3.
  • the stepped beverage filter cartridge 10 is adapted for use in an automatic machine such as a coffee brewing machine where it will be positioned and gripped within a housing 30.
  • the upper part of the housing 32 includes a penetrating water inlet 34 which penetrates the top step of the container to provide pressurized hot water through the plenum inlet 26 and to the coffee present on top of the filter 16 in the brewing chamber 28.
  • a second penetrating water outlet 36 penetrates the bottom step of the container through the plenum outlet 27 to receive the outflow of the coffee beverage and dispense it to a cup or a container.
  • the bottom part of the housing 38 includes a lid support 40 which supports the beverage filter cartridge 10 of the invention within the housing.
  • FIG. 6 illustrates a stepped beverage filter cartridge fabricated without a porous membrane located over the beverage powder 20.
  • the porous membrane is not required in the cartridge of the invention and the absence of such a membrane does not affect the quality of the resultant extracted beverage product.
  • the container 12 has a support 40 provided therein.
  • the support 40 is defined as a cylindrical recess extending from the top of the container through to the porous membrane 18.
  • the support 40 provides additional support to the beverage filter cartridge structure.
  • the support is incorporated into a beverage cartridge in which the brewing chamber is defined by two vertical steps.
  • the support 40 can be incorporated into a beverage cartridge in which the brewing chamber is defined by only a single vertical step of the container.
  • Figure 9 shows that the support 40 is provided within the top of the container as a recess therein.
  • the stepped beverage filter cartridge having a support 40 therein is shown adapted for use in an automatic machine such as a coffee brewing machine similar to that shown in Figure 5.
  • the support can be of any suitable shape in addition to cylindrical, so long as it helps to provide added strength to the cartridge structure under high pressure conditions.
  • the stepped beverage filter cartridge can be fabricated to have an additional layer of paper fiber 42 provided within the brewing chamber 28.
  • a layer of paper fiber 42 may be desired for particular beverage products.
  • Such a layer of paper fiber may be incorporated into any of the embodiments of the stepped beverage filter cartridge of the present invention.
  • the stepped beverage filter cartridge of the present invention is manufactured reversing the top and bottom for particular applications.
  • the cartridge of Figure 1 is essentially turned and used in an upside down fashion in which the steps 22 of the stepped conical container 12 decrease in size from top 23 to base 14.
  • the water inlet 26 may be provided as shown in the side of a selected step.
  • the inlet may also be provided in the top or bottom of this embodiment of the cartridge with the corresponding outlet suitably provided.
  • the water inlet 26 is shown to perforate the cartridge through the support 40 present at the bottom of the conical container and up through the filter 16.
  • a support 40 may be provided as is also shown in phantom in Figure 12.
  • the various configurational aspects of the stepped beverage filter device as shown in the drawings may be mixed and matched as desired without affecting the quality of the resultant beverage product and all variations are within the scope of the present invention.
  • the beverage filter cartridge as shown in Figures 12 or 14 can be manufactured with or without a permeable membrane, with or without a support, with or without a further compartment for flavouring and having the water inlet and outlet varying at different locations such as the top, side or bottom of the container.
  • all embodiments can be used in a conventional brewing apparatus.
  • pressurized hot water is provided through the water inlet which via the plenum inlet located on the side of the top step of the container fills the top first stepped cavity of the container.
  • the pressurized hot water (approximately 20 to 25 psi) infuses the beverage powder and essentially squeezes the beverage powder into a cake.
  • the introduction of pressurized hot water in such a manner permeates the beverage powder as to more efficiently and more completely extract the flavour from all of the beverage powder contained therein and provide a tasty and fresh hot beverage quickly.
  • the shape of the novel stepped container helps to maintain the contact between the pressurized hot water and the beverage powder such that more flavour is extracted from the beverage powder.
  • the provision of an essentially flat filter member allows for more consistent extraction of the beverage powder contained thereon.
  • pressurized hot water may be introduced through the top of the first step.
  • pressurized hot water is simply directed to approximately the middle portion of the beverage product.
  • pressurized hot water is introduced through the bottom step and upwards into the beverage product as is shown for example in Figure 14.
  • the hot pressurized water is introduced via an inlet that penetrates the filter portion and is deflected over the beverage product in an upper chamber and the resultant beverage product is flows through the filter into the lower step chamber and through an outlet.
  • the steps of the stepped conical shaped container can be all made to be the same height dimension or alternatively, one or more of the steps can be fabricated to different height dimensions relative to each other.
  • the beverage filter cartridge is shown in the drawings to comprise a four stepped container, the invention functions in the same manner when manufactured to comprise more than four steps or only three steps, with the middle step having a different height dimension compared to the other steps.
  • the container may be fabricated having circular vertical steps as shown herein, however, these may be fabricated in other shapes as well so long as the container itself is stepped and the internal filter and other components are suitably designed.
  • any alternative construction of the stepped beverage filter cartridge may be constructed to contain or omit the porous membrane.
  • the stepped beverage filter cartridge can be fabricated to contain a variety of beverage powders. While ground coffee is the most preferred beverage powder, the cartridge may also be used with tea, herbal teas, hot chocolate, soups and specialty drinks.
  • the stepped beverage filter cartridge may also be fabricated to contain a liquid, crystal, flakes, powder, dissolvable capsule or pill type flavour enhancer product within at least one of the vertical steps of the container which does not define the brewing chamber.
  • a flavour enhancer is readily dissolvable in water as well as within the extracted beverage product.
  • flavour enhancers may include but are not limited to vanilla, amaretto, chocolate, cinnamon, irish crème, licorice as well as mixtures thereof and the like. It is conceivable to introduce flavourings into the brewing chamber itself.
  • a further separate chamber 46 may be added to contain a flavouring. In this embodiment, the dissolved beverage product would mix with the flavouring prior to being dispensed through the outlet of the container.
  • the stepped beverage filter cartridge system of the present invention is easy and cost effective to manufacture. It contains no moving parts. As manufactured, the cartridge is provided hermetically sealed for freshness in a suitable type of easy to open plastic packaging film. During the manufacture of the cartridge, oxygen is removed from within the sealed container to ensure the freshness of the beverage powder contained therein.
  • the stepped beverage filter cartridge system can be used with a conventional type brewing apparatus.
  • the present invention provides a novel stepped beverage filter cartridge system which is simple to use and rapidly provides a single serving of tasty and fresh beverage product.
  • the stepped beverage filter cartridge system is constructed to provide near maximal extraction of flavor from the beverage powder. It provides a consistent beverage product with minimal waste, a long shelf life and may be manufactured to contain several different types of beverages and flavourings.
  • the stepped beverage filter cartridge is easy and cost efficient to manufacture and is disposable after use. It may be fabricated to use in residential or commercial type brewing machines.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
EP00310131A 1999-11-16 2000-11-15 Système de filtration à cartouches Withdrawn EP1101430A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US16566399P 1999-11-16 1999-11-16
US165663P 1999-11-16
US20166000P 2000-05-03 2000-05-03
US201660P 2000-05-03

Publications (1)

Publication Number Publication Date
EP1101430A1 true EP1101430A1 (fr) 2001-05-23

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Family Applications (1)

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EP00310131A Withdrawn EP1101430A1 (fr) 1999-11-16 2000-11-15 Système de filtration à cartouches

Country Status (2)

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EP (1) EP1101430A1 (fr)
CA (1) CA2325978A1 (fr)

Cited By (65)

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US6589577B2 (en) * 2000-02-18 2003-07-08 Keurig, Inc. Disposable single serve beverage filter cartridge
EP1344722A1 (fr) 2002-03-14 2003-09-17 René Schifferle Cartouche mono-dose pour la préparation d'une boisson
EP1344724A1 (fr) 2002-03-14 2003-09-17 Robert Hale Cartouche a filtre pour boisson et filtre pour ceci
US6758130B2 (en) 2001-03-16 2004-07-06 The Procter + Gamble Co. Beverage brewing devices for preparing creamy beverages
EP1440908A1 (fr) * 2003-01-24 2004-07-28 Kraft Foods R & D, Inc. Cartouche et méthode pour la préparation de boissons
EP1440912A1 (fr) * 2003-01-24 2004-07-28 Kraft Foods R & D, Inc. Cartouche pour la préparation d'une boisson
WO2004105564A1 (fr) * 2003-05-27 2004-12-09 Koninklijke Philips Electronics N.V. Recipient a infusion, dispositif en mousse et appareil a fabriquer des boissons comprenant ledit recipient
EP1486150A2 (fr) * 2003-06-13 2004-12-15 Robert Hale Appareil distributeur de boissons avec méchanisme d'éjection du cartouche
WO2005066040A2 (fr) * 2003-12-29 2005-07-21 Ilenaig S.A.S. Di Giannelli Giuseppe E C. Capsule et procede de preparation de boissons
EP1674007A1 (fr) 2004-11-22 2006-06-28 René Schifferle Machine pour préparer des boissons chaudes par extraction d'une substance contenue dans une capsule
EP1676508A3 (fr) * 2004-12-31 2006-07-12 Whirlpool Corporation Distributeur d'eau avec insert aromatisant jetable
US7081263B2 (en) * 2002-05-01 2006-07-25 Courtesy Products, Llc Disposable brew basket for electric coffee maker
WO2007042415A1 (fr) 2005-10-14 2007-04-19 Nestec S.A. Procede de preparation de boisson a partir d'une capsule
WO2007053875A1 (fr) * 2005-11-13 2007-05-18 Gregory James Newell Système de contenant pour produire successivement de multiples doses de produit liquide reconstitué
EP1867585A1 (fr) * 2006-06-13 2007-12-19 Francisco Navarro Alcantara Contenant de capsule
EP1894853A1 (fr) 2006-08-30 2008-03-05 Nestec S.A. Capsule pour la préparation d'une boisson
WO2008078990A1 (fr) 2006-12-22 2008-07-03 Friesland Brands B.V. Coupelle pour préparation d'un produit liquide, et élément de contrepression pour celle-ci
EP2105074A1 (fr) 2008-03-28 2009-09-30 Delica AG Dispositif et agencement de préparation d'un produit alimentaire ou de dégustation liquide et emballage en portion
US7673558B2 (en) 2004-02-17 2010-03-09 Kraft Foods R & D, Inc. Insert, a machine and a system for the preparation of beverages
EP2177136A1 (fr) 2008-10-17 2010-04-21 Delica AG Dispositif et agencement de préparation d'un produit alimentaire ou de dégustation liquide
EP2196407A1 (fr) 2008-12-10 2010-06-16 Delica AG Capsule et dispositif de préparation d'une boisson
DE202009017808U1 (de) 2009-01-29 2010-06-24 K System Gmbh Portionskapsel
WO2010093247A2 (fr) 2009-02-13 2010-08-19 Friesland Brands B.V. Support et montage comportant un support et une coupelle contenant un concentré
WO2010093246A1 (fr) 2009-02-13 2010-08-19 Friesland Brands B.V. Support et tasse contenant un concentré pour préparer des boissons chaudes
EP1440909B2 (fr) † 2003-01-24 2010-11-03 Kraft Foods R&D, Inc. Système de cartouche pour la préparation de boissons et méthode de fabrication de ce système
US7832328B2 (en) 2004-08-12 2010-11-16 Sara Lee/De N.V. System with a fluid path restriction for making a beverage
WO2010137945A1 (fr) * 2009-06-17 2010-12-02 Sara Lee/De N.V. Capsule et système de préparation de boisson comprenant une substance soluble
WO2010137965A1 (fr) * 2009-06-17 2010-12-02 Sara Lee/De N.V. Capsule, système et procédé pour la préparation d'une boisson et procédé de fabrication d'une telle capsule
US7921766B2 (en) 2004-02-17 2011-04-12 Kraft Foods R & D, Inc. Cartridge for the preparation of beverages
USD637484S1 (en) 2010-09-02 2011-05-10 Keurig, Incorporated Beverage cartridge
US7981451B2 (en) 2005-10-14 2011-07-19 Nestec S.A. Capsule for the preparation of a beverage
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USD647399S1 (en) 2010-09-02 2011-10-25 Keurig, Incorporated Beverage cartridge
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EP2470453B1 (fr) 2009-08-29 2015-04-29 PSR Profitable Strategic Redeployment Sarl Pochette pour la preparation d'une boisson
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US9474406B2 (en) 2014-01-17 2016-10-25 Keurig Green Mountain, Inc. Apparatus with beverage cartridge holder having movable outlet
EP2801538B1 (fr) 2010-09-22 2017-02-01 K-fee System GmbH Capsule et procédé de fabrication d'une boisson à l'aide d'une capsule
DE102015011169A1 (de) * 2015-09-01 2017-03-02 LigaLife GmbH & Co. KG Kapsel für eine Erzeugung eines flüssigen Lebensmittels und Verfahren zum Herstellen einer Kapsel für eine Erzeugung eines flüssigen Lebensmittels
US9585511B2 (en) 2004-06-17 2017-03-07 Koninklijke Douwe Egberts B.V. System for preparing portions of a beverage suitable for consumption
US9598230B2 (en) 2004-01-14 2017-03-21 Caffitaly System S.P.A. Cartridge containing one serving of coffee powder for preparing a coffee beverage
US9808111B2 (en) 2009-07-23 2017-11-07 Ethical Coffee Company Sa Device for preparing a drink extracted from a capsule
US9919864B2 (en) 2010-06-11 2018-03-20 Koninklijke Douwe Egberts B.V. Cartridge and method for the preparation of beverages
USD826053S1 (en) 2016-01-07 2018-08-21 LigaLife GmbH & Co. KG Capsule
US10136754B2 (en) 2014-01-17 2018-11-27 Keurig Green Mountain, Inc. Beverage machine cartridge holder
CN109319276A (zh) * 2018-09-30 2019-02-12 温州丰宝客科技有限公司 快递专用rfid智能包裹箱
DE102010047890B4 (de) 2010-08-16 2019-05-29 K-Fee System Gmbh Portionskapsel mit einem Filtergewebe
US10450130B2 (en) 2012-09-12 2019-10-22 Kraft Foods R & D, Inc. Cartridges, systems and methods for preparation of beverages
US10918236B2 (en) 2015-09-01 2021-02-16 LigaLife GmbH & Co. KG Capsule for producing a liquid food item, method for manufacturing a capsule for producing a liquid food item, use of a capsule for producing a liquid food item, system made up of a capsule and a device, and device for the production of a liquid food item

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CN115320898A (zh) * 2022-01-11 2022-11-11 珠海鑫彩拓电子科技有限公司 一种咖啡茶饮胶囊的制造方法及咖啡茶饮胶囊

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