WO2021209507A1 - Capsule comprenant un film plastique doté d'une identification détectable par machine - Google Patents

Capsule comprenant un film plastique doté d'une identification détectable par machine Download PDF

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Publication number
WO2021209507A1
WO2021209507A1 PCT/EP2021/059678 EP2021059678W WO2021209507A1 WO 2021209507 A1 WO2021209507 A1 WO 2021209507A1 EP 2021059678 W EP2021059678 W EP 2021059678W WO 2021209507 A1 WO2021209507 A1 WO 2021209507A1
Authority
WO
WIPO (PCT)
Prior art keywords
capsule
circular ring
portion capsule
machine
identifier
Prior art date
Application number
PCT/EP2021/059678
Other languages
German (de)
English (en)
Inventor
Marc KRÜGER
Günter EMPL
Original Assignee
K-Fee System Gmbh
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 K-Fee System Gmbh filed Critical K-Fee System Gmbh
Publication of WO2021209507A1 publication Critical patent/WO2021209507A1/fr

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
    • B65D85/8058—Coding means for the contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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

  • Portion capsule comprising plastic film in which a machine-detectable identifier is provided
  • the present invention relates to a portion capsule for the production of a beverage with a base element which has a cavity in which a beverage raw material is provided and which is closed by a membrane which is attached to the base element, wherein it has an identifier which enables to individualize the respective portion capsule.
  • the present invention also relates to a method for producing a portion capsule and the use of the portion capsule for producing a drink.
  • Such portion capsules are well known and are offered on the market in a large number of embodiments and are used to produce coffee, espresso, cappuccino, tea, milk or cocoa drinks, but also other drinks or foods such as soups.
  • these capsules In order to be able to be produced in a machine, these capsules must all have the same external shape, whereby the respective production process differs.
  • the amount of water and / or the temperature that is used to produce the respective beverage can differ.
  • the water in the portion capsule can be passed through the portion capsule continuously or intermittently.
  • the machines that are used to produce the respective beverage or food must be cleaned at regular intervals, for which purpose cleaning capsules are available whose external dimensions are identical to the dimensions of the portion capsules and which is also flowed through by water after it has entered the machine has been introduced, which dissolves the cleaning substance from the capsules and cleans the brewing chamber of the machine and the downstream lines with the solution. It is essential to avoid that a user, for example a child or a visually impaired adult, uses the cleaning capsule to produce a drink and consumes it.
  • a portion capsule for producing a drink having a capsule body with a capsule bottom and a lid, a cavity being formed between the capsule bottom and the lid in which a beverage substrate is provided and which has a machine-detectable identifier that enables it the to individualize each portion capsule, wherein the identifier is at least one electrically conductive circular ring with at least two areas with different electrical resistances.
  • the present invention relates to a portion capsule for producing a beverage or foodstuff which has a cavity in which a beverage raw material is provided.
  • a portion capsule is made, for example, of plastic, a natural substance and / or a biodegradable material and has a base element, in particular a shaped, preferably deep-drawn, or a base element made by points, which is preferably frustoconical, partially, in particular hemispherical or cylindrical in shape and has a bottom which, however, in the case of the partially spherical base element, can be part of the partial hemisphere.
  • the raw beverage material which is extracted and / or dissolved, for example, from a liquid, in particular water, is poured into the cavity of the portion capsule.
  • the base element is preferably closed after the beverage raw material has been filled, in particular with a membrane.
  • the membrane is preferably provided opposite the bottom of the base element.
  • the membrane can be made of the same or a different material as the base element and is preferably attached to the base element by sealing and / or gluing.
  • the membrane can be gas- and / or liquid-tight or gas- and / or liquid-permeable.
  • one or more built-in elements such as a filter, a liquid distributor, a fleece, a felt, a barrier film and / or the like can be provided in the cavity. In the event that a felt and a fleece are provided, these are preferably connected to one another.
  • the felt and / or the fleece can be provided in multiple layers, wherein the layers can differ in the type of starting material used and / or its processing.
  • the membrane and / or the base can be provided with several recesses (holes).
  • this portion capsule has an identifier which makes it possible to individualize the respective portion capsule.
  • the respective portion capsule can be assigned to a group that is responsible for the production of a Drink or food or for cleaning the machine. It is not necessary for the identifier to reveal which portion capsule it is specifically, ie contains a serial number or batch number or the like, but merely allows the respective portion capsule to be classified into a group of portion capsules, for example beverage / food portion or cleaning capsules.
  • the identifier preferably also allows differentiation between the individual drinks and / or types of food, for example that it is a capsule with which tea, coffee, a milk drink or the like or a soup can be made.
  • a sensor / detection means provided on a machine preferably detects this identifier and preferably compares it with a stored identifier.
  • the machine is preferably only to be put into operation, in particular its pressure pump which provides the water, when the identified identifier matches the reference identifier of a beverage / food portion capsule. Otherwise the coffee machine should not be used because it is to be feared that it is a cleaning capsule that contains a cleaning agent, for example.
  • the machine can only be put into operation, for example, if a certain key combination has been pressed beforehand on the machine's control panel, with which the user verifies that he knows that it is a cleaning capsule. This reliably prevents a cleaning capsule from being accidentally used to make drinks.
  • the identifier can be used to ensure that the coffee machine runs a specific program, i. H. For example, it heats the water to a certain temperature, makes it available at a certain pressure and / or conveys a certain amount of water through the portion capsule.
  • the identifier is used to sort the materials from which the portion capsule is made in a later disposal and / or recycling process.
  • the identifier is at least one electrically conductive circular ring with at least two areas with different electrical resistances. In the event that there are more than two areas, the electrical resistances of the sub-areas must be at least partially different.
  • the areas with different electrical resistances can be achieved by different materials from which the respective areas are made.
  • the cross-sectional area of the individual areas can differ.
  • the density of the respective areas can differ.
  • the circular ring can be a separate element that is attached to the capsule body and / or to the cover film.
  • the circular ring can be provided on a foil or between two or more foils.
  • the circular ring can be printed.
  • the circular ring can, however, also be provided in the plastic film from which the portion capsule is made at least partially, preferably completely.
  • Provided in the plastic film means that the identifier is integrated into the plastic film during manufacture.
  • the production of the plastic film can be done by any manufacturing process, such. B. be done by an injection molding process or extrusion process.
  • the plastic films can also be produced at least partially by lamination.
  • the plastic film is produced by an injection molding process.
  • the plastic film is produced by an extrusion process.
  • Cast film extrusion processes and blown film extrusion processes are suitable as extrusion processes for producing the plastic film, the extrusion also being able to take place by coextrusion and the cast film extrusion process preferably taking place with the aid of flat dies.
  • the plastic film is multilayered, it can be produced and processed in the form of individual layers, as a partial composite or as an entire multilayer film, possibly also in the form of a tubular film. Individual layers and / or one or more partial composites can preferably be joined together by lamination.
  • at least part of the plastic film is produced in the form of a cast film (as a flat-film extrudate).
  • the entire plastic film is produced in the form of a coextruded cast film.
  • the plastic film is produced as a multilayer blown film by extrusion, preferably by blown film coextrusion.
  • the capsule body is at least partially, preferably completely, made from the plastic film.
  • the capsule body is preferably manufactured from the plastic film by a shaping process, particularly preferably by deep-drawing.
  • the capsule body can, however, also be made of metal, in particular aluminum.
  • the capsule body is preferably manufactured by deep drawing.
  • the circular ring is then provided later on the capsule body that has already been manufactured, for example by gluing and / or printing.
  • electrical insulation must be provided between the circular ring and the capsule body, for example in the form of a non-electrically conductive plastic film.
  • the cover is made at least partially, preferably completely, from the plastic film.
  • the cover is preferably manufactured from the plastic film by a shaping process, for example by punching and / or cutting.
  • the circular ring is preferably already present during the shaping process.
  • the circular ring with the different electrical resistances can be made of a metallic material, an electrically conductive polymer or a combination thereof.
  • the circular ring is preferably interrupted at at least one point, i.e. has a very high, preferably at least almost infinite electrical resistance at one point.
  • Each circular ring that is arranged on the portion capsule preferably has 18-72 areas with at least partially different electrical resistances. Specific identification for the portion capsule can be achieved through the areas. Furthermore, the areas can be used to determine the orientation of the portion capsule relative to one or more sensors that read out the electrical resistance. Partial areas of the circular ring can have the same resistance, so that a repetition of the same identifier is stored in the circular ring.
  • the portion capsule preferably has a capsule body with a flange to which a cover film is attached.
  • the circular ring is particularly preferably provided on the side of the flange facing away from the cover film, in particular glued, sealed and / or printed.
  • the circular ring is preferably a separate component which is provided on the capsule body and / or the cover.
  • a sensor provided on a preparation device for example an ohmmeter, and an associated electronic evaluation device evaluate the measured resistance value (s). If the stored value agrees with the measured value, the control enables the machine or selects a specific preparation program for the respective drink or food. If the value does not match, the machine can only be put into operation under certain conditions.
  • a visual and / or acoustic warning is preferably also issued. In this way it can be prevented, for example, that a portion capsule that is made of an unsuitable plastic material is inserted into the respective drinks machine and subjected there to too high a temperature or too high a pressure.
  • portion capsule With the portion capsule according to the invention, it is possible to prevent portion capsules that are not intended for a specific drinks machine from being inserted into it. Furthermore, the identifier enables the drinks machine to recognize which type of capsule is in its brewing chamber and to adjust the beverage or food production process accordingly, i.e. for example the amount of water, the required extraction pressure and / or the desired temperature.
  • Another object of the present invention is a system comprising a brewing chamber, with at least two, preferably three, four or more electrical contacts and comprising a portion capsule according to one of the preceding claims, the contacts being in electrical connection with the circular ring (s) .
  • the brew chamber takes the Portion capsule when making the drink.
  • the brewing chamber preferably has two parts which can be moved relative to one another, as a result of which the brewing chamber opens or closes. At least two, preferably more, in particular three or four electrical contacts, which are brought into contact with the circular ring (s), preferably before the beverage production process begins, are provided on the brewing chamber.
  • the contacts are preferably arranged equidistantly. They can be used to determine the electrical resistance of a segment of the circular ring. If there are at least three contacts, the segment of the circular ring that is to be read out can be varied. This is preferably done electronically by determining the resistance between different conductors.
  • the portion capsule is rotated intermittently during the evaluation. After a measurement, the portion capsule is rotated further through a predetermined angle and then measured again. As a result, the number of electrical conductors can be reduced and / or the rotation of the portion capsule, in particular the centrifugal force that arises in the process, can be used for the beverage production process.
  • An evaluation unit compares the measured value (s) with stored values. If they match, for example the beverage production process, in particular a portion capsule-specific beverage production process, can be started.
  • Another object of the present invention is the use of a portion capsule according to the invention for producing a drink, preferably for producing a coffee, cocoa, tea and / or milk drink or a food, in particular a soup.
  • Figure 1 shows the circular ring.
  • FIG. 2 shows the device for evaluating the electrical resistance of the circular ring.
  • Figure 3 shows the portion capsule according to the invention.
  • FIG. 4 shows two examples with 18 and 72 areas of different electrical resistances.
  • Figure 5 shows a circular ring and four contact points.
  • FIG. 6 shows the device for evaluating the electrical resistance of the circular ring.
  • Figure 7 shows four contact points at different angles of rotation.
  • FIG. 8 shows the resistance between the pivot points as a function of the angle of rotation.
  • FIGS. 9-11 show the system according to the invention.
  • FIGS. 1 and 3 show a portion capsule 11 which has a capsule body 12 with a wall 2.1 and a capsule base 2.2 and a cover 3.
  • the wall and the capsule base define a cavity 4 in which a beverage substrate and, if necessary, an installation element are provided. After it has been filled, this cavity is closed by the cover, which is preferably connected to the edge region 2.3 of the capsule body, here a flange, for example by sealing or gluing.
  • This portion capsule for example a coffee capsule, is introduced into a brewing chamber 8 in which a liquid, for example water, flows through it. The beverage substrate is extracted or dissolved, thereby creating the desired beverage.
  • this portion capsule now has an identifier 5 with which it can be determined whether the respective portion capsule is suitable for the production of a drink or food. If this is not the case, significant health problems can arise. For example, by using a cleaning capsule, an aqueous solution that is inedible for the user can be produced. It is important to avoid that.
  • this identifier is a circular ring 7 with at least two areas with different electrical resistances.
  • the capsule body is made from the plastic film, in particular deep-drawn. The identifier can be measured via two contact points 9 with an ohmmeter present on the drinks machine. If the measured value does not correspond to the reference value, the start-up of the drinks machine is blocked.
  • the identifier 7 has an electrically conductive circular ring 5, which here has a resistance of 1 KW / degree. This circular ring is provided on a circular ring-shaped film segment 6.
  • the resistance value is measured between the contact points AA and is WA1. This value is compared with a value stored in the preparation device. If the values match within a certain tolerance band, the preparation device can be started and / or a very specific preparation program adapted to the portion capsule can be carried out.
  • the identifier 7 is provided on the flange 2.3, specifically on the side opposite the cover film 3.
  • the contact point 9 preferably pierces into the circular ring 7, here through a film 6 on which the electrically conductive circular ring is provided. It can be preferred that the circular ring is pierced in the process and thus cannot be used for a further reading.
  • Figure 2 shows the control of the contacts.
  • a simple ohmmeter is connected to the electronics of the preparation device.
  • the resistance measured between the contact points A-A is compared electronically with a stored value, here 180 KW, with the consequences described above.
  • FIG. 4 shows two examples of reading out the circular ring. Each example shows three different circular rings. Eighteen measured values are possible for a 20% accuracy of the readout (right example). With a readout accuracy of 5%, 72 measured values are possible (left example).
  • FIG. 5 shows a circular ring and a device with four electrical contacts A, B, 1 and 2 which can be brought into contact with the circular ring.
  • the contacts are equidistant here, here at a distance of 90 °.
  • the circular ring has two areas, each with a different electrical resistance, here 1 KW / degree on the left and IOOW / degree on the right.
  • the circular ring In the six o'clock position, the circular ring is interrupted, ie it has at least a very high, preferably almost infinite resistance.
  • the contacts can be switched so that the resistance WA1, WA2, WB1, WB2 between adjacent contacts can be determined.
  • the associated measuring arrangement is shown in FIG. The measured values are sent to a Evaluation electronics forwarded. The measured values can be combined as required.
  • the measured values always provide a minimum value and a maximum value and two values which are dependent on the angle of rotation of the capsule relative to the contacts. This makes it possible to determine the position of the circular ring relative to the measuring points and to read out a code.
  • the respective values WA1, WA2, WB1, WB2 along the entire circular ring are shown in FIG. These values can be stored in a controller and compared with the measured values.
  • FIGS. 9-11 show the system according to the invention having a brewing chamber 8 and a portion capsule 11.
  • the brewing chamber 8 is provided with four electrical contacts 9 which are arranged equidistantly along a circle.
  • the diameter of the circle corresponds to the diameter of the circular ring 7 which is arranged on the portion capsule.
  • each contact 9 is provided with a tip which penetrates into the circular ring 7 and thereby produces a good electrical contact.
  • a tip at the end of the contact also has the advantage that an electrical resistance area that extends only over a small segment of the circular ring can be contacted precisely.
  • lids 3 lids, lids

Landscapes

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

Abstract

L'invention concerne une capsule pour préparer une boisson, comprenant un corps de capsule ayant une base de capsule et un couvercle. Une cavité est formée entre la base de capsule et le couvercle et contient un substrat de boisson et ladite capsule comprend une identification détectable par machine qui permet d'individualiser la capsule respective. L'invention porte également sur l'utilisation de la capsule pour la préparation d'une boisson.
PCT/EP2021/059678 2020-04-14 2021-04-14 Capsule comprenant un film plastique doté d'une identification détectable par machine WO2021209507A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020204666 2020-04-14
DE102020204666.2 2020-04-14

Publications (1)

Publication Number Publication Date
WO2021209507A1 true WO2021209507A1 (fr) 2021-10-21

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PCT/EP2021/059678 WO2021209507A1 (fr) 2020-04-14 2021-04-14 Capsule comprenant un film plastique doté d'une identification détectable par machine

Country Status (1)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11634314B1 (en) 2022-11-17 2023-04-25 Sharkninja Operating Llc Dosing accuracy
US11647860B1 (en) 2022-05-13 2023-05-16 Sharkninja Operating Llc Flavored beverage carbonation system
US11738988B1 (en) 2022-11-17 2023-08-29 Sharkninja Operating Llc Ingredient container valve control
US11745996B1 (en) 2022-11-17 2023-09-05 Sharkninja Operating Llc Ingredient containers for use with beverage dispensers
US11751585B1 (en) 2022-05-13 2023-09-12 Sharkninja Operating Llc Flavored beverage carbonation system
US11871867B1 (en) 2023-03-22 2024-01-16 Sharkninja Operating Llc Additive container with bottom cover
US11925287B1 (en) 2023-03-22 2024-03-12 Sharkninja Operating Llc Additive container with inlet tube
US11931704B1 (en) 2023-06-16 2024-03-19 Sharkninja Operating Llc Carbonation chamber
US12005408B1 (en) 2023-04-14 2024-06-11 Sharkninja Operating Llc Mixing funnel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130099597A1 (en) * 2010-06-28 2013-04-25 Nestec S.A. Capsule sensing system
DE102013013596A1 (de) * 2013-08-19 2015-02-19 Mecoswiss Mechanische Componenten Gmbh & Co. Kg "Heißgetränkesystem, Kapsel und Zubereitungsvorrichtung"
US20180129832A1 (en) * 2015-04-30 2018-05-10 T+Ink Gmbh Method for the detection of modified information patterns of a capacitive information carrier by the use of capacitive detection means

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130099597A1 (en) * 2010-06-28 2013-04-25 Nestec S.A. Capsule sensing system
DE102013013596A1 (de) * 2013-08-19 2015-02-19 Mecoswiss Mechanische Componenten Gmbh & Co. Kg "Heißgetränkesystem, Kapsel und Zubereitungsvorrichtung"
US20180129832A1 (en) * 2015-04-30 2018-05-10 T+Ink Gmbh Method for the detection of modified information patterns of a capacitive information carrier by the use of capacitive detection means

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11647860B1 (en) 2022-05-13 2023-05-16 Sharkninja Operating Llc Flavored beverage carbonation system
US11751585B1 (en) 2022-05-13 2023-09-12 Sharkninja Operating Llc Flavored beverage carbonation system
US11634314B1 (en) 2022-11-17 2023-04-25 Sharkninja Operating Llc Dosing accuracy
US11738988B1 (en) 2022-11-17 2023-08-29 Sharkninja Operating Llc Ingredient container valve control
US11745996B1 (en) 2022-11-17 2023-09-05 Sharkninja Operating Llc Ingredient containers for use with beverage dispensers
US12006202B1 (en) 2022-11-17 2024-06-11 Sharkninja Operating Llc Ingredient container valve control
US11871867B1 (en) 2023-03-22 2024-01-16 Sharkninja Operating Llc Additive container with bottom cover
US11925287B1 (en) 2023-03-22 2024-03-12 Sharkninja Operating Llc Additive container with inlet tube
US12005408B1 (en) 2023-04-14 2024-06-11 Sharkninja Operating Llc Mixing funnel
US11931704B1 (en) 2023-06-16 2024-03-19 Sharkninja Operating Llc Carbonation chamber

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