EP4534442A1 - Capsule portion - Google Patents

Capsule portion Download PDF

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Publication number
EP4534442A1
EP4534442A1 EP23201417.5A EP23201417A EP4534442A1 EP 4534442 A1 EP4534442 A1 EP 4534442A1 EP 23201417 A EP23201417 A EP 23201417A EP 4534442 A1 EP4534442 A1 EP 4534442A1
Authority
EP
European Patent Office
Prior art keywords
capsule
portion pack
weight
aluminum
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP23201417.5A
Other languages
German (de)
English (en)
Inventor
Marius-Konstantin WICHE
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.)
Tchibo GmbH
Original Assignee
Tchibo 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 Tchibo GmbH filed Critical Tchibo GmbH
Priority to EP23201417.5A priority Critical patent/EP4534442A1/fr
Priority to PCT/EP2024/077406 priority patent/WO2025073614A1/fr
Publication of EP4534442A1 publication Critical patent/EP4534442A1/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Withdrawn legal-status Critical Current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
    • 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
    • B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D2565/38—Packaging materials of special type or form
    • B65D2565/381—Details of packaging materials of special type or form
    • B65D2565/385—Details of packaging materials of special type or form especially suited for or with means facilitating recycling

Definitions

  • the invention relates to the preparation of beverages or the like from an extraction product, such as ground coffee, contained in a portion pack, for example a portion capsule. It relates to a portion pack for containing the extraction product and its parts, which can in particular be a portion pack cup and a portion pack lid.
  • Extraction devices for preparing beverages from a product contained in a portion-sized container are known, for example, as coffee, espresso, or tea machines.
  • the portion-sized containers are designed as capsules (portion capsules) in which the product is sealed, for example, hermetically.
  • the brewed product is discharged from the capsule on the second side.
  • Single-portion capsules are capsules whose walls are essentially made of plastic. There is a need to recycle such capsules as completely as possible.
  • Coffee portion capsules are known with a capsule wall made of a plastic material that is free of soot particles, with the capsule wall comprising a white layer. Soot particles are often used to darken capsules, but lead to This means that the corresponding capsules cannot be correctly classified in waste sorting plants.
  • DE 10 2014109 555 teaches that such incorrect classification can be prevented by omitting soot particles and instead providing a white layer in the capsule wall.
  • substantially free from aluminum particles means that the aluminum content (weight percent) is not more than 0.08%, i.e., the aluminum content is between 0 and 0.08%.
  • the aluminum pigment content (weight percent) may be not more than 0.08%, in particular, the aluminum content not present in aluminum pigments does not exceed 0.01% by mass.
  • Colored portion capsules often contain aluminum pigments, which complicate classification in waste sorting facilities, as explained below.
  • the invention is based on the new discovery that, in addition to soot particles, aluminum particles, and especially aluminum pigments, can cause inadequate classification in waste sorting plants.
  • the infrared radiation used in waste sorting plants is scattered by aluminum pigments, and this scattering can lead to misclassifications, either by assigning an incorrect material or by not being able to assign a material at all.
  • Misclassifications due to soot particles arise from the absorption of the infrared radiation used by the soot particles.
  • the improved classification in waste sorting plants is at least largely independent of the color choice for the capsule element, i.e. a white layer or in particular an internal white layer is not necessary to achieve the improved classification.
  • the portion pack can be a portion capsule.
  • the portion pack element comprises the wall, i.e. a portion pack wall.
  • the portion pack element is a portion pack cup.
  • soot particle content is 0.08% or less, i.e., the soot particle content is between 0 and 0.08%. Even soot particle contents as low as approximately 0.01% by weight can make detection difficult.
  • the portion pack element may also be completely free of soot particles—although possible minimal contamination cannot be ruled out in each case; such contamination, for example, has a mass percentage of no more than 0.002%.
  • the first layer forms an outer layer of the portion pack element.
  • the first layer can thus form an outer layer and/or an inner layer of the portion pack.
  • the first layer can form an outer layer of the portion pack. Therefore, if the first layer comprises aluminum or, in particular, aluminum pigments, their weight fraction must be correspondingly low if it is to be substantially free of aluminum particles.
  • the first plastic material comprises polypropylene . Due to its mechanical and thermal properties, polypropylene is ideal for manufacturing coffee capsule components (such as capsule cups and capsule lids). Polypropylene can generally be easily identified in waste sorting facilities using infrared spectroscopy.
  • the first plastic material may consist of at least 60 percent by weight, in particular at least 70 percent by weight, polypropylene. It may in particular consist of at least 80 percent by weight or at least 90 percent by weight, polypropylene.
  • FIG 3 shows a capsule lid 1a, which, like the capsule cup 1b, is manufactured, for example, by injection molding.
  • the capsule lid 1a has a lid surface in a central region, a transition area forming a curvature, and a lid collar.
  • portion packaging and portion packaging elements or portion packaging (in particular capsules) and portion packaging elements (in particular capsule elements) described here are essentially free of aluminum particles.
  • capsule elements are essentially free of aluminum particles, infrared light irradiated onto them is less scattered. This facilitates classification of the capsule elements in waste sorting facilities where infrared spectroscopy, such as near-infrared spectroscopy, is used to identify different materials, particularly different polymer materials.
  • the capsule elements may have a polypropylene layer that can be identified in this way.
  • the capsule elements are either completely free of aluminum particles (except for unavoidable minor aluminum-containing contamination). Or they contain aluminum pigments, particularly in the polypropylene layer, but only in very small quantities. For example, the aluminum pigments each make up only 0.08% by weight of a capsule element.
  • the Figures 4a to 6b show corresponding experimentally obtained classification images.
  • the pattern fillings used for classification result coding are shown in Figure 7 shown:
  • the two hatchings correspond to a correct classification (polypropylene was detected), the dot fillings are misclassifications to other plastics (PET or PA-6), for black areas it was not possible to assign the near-IR spectroscopy measurement results to a plastic.
  • the portion pack elements contained a dye in a polypropylene layer.
  • the polypropylene layer formed an outer layer of the respective portion pack element.
  • Fig. 5a The dye contained 0.27% by weight of aluminum pigments, in Fig. 5b with otherwise identical properties, a weight fraction of 0.83% of aluminum pigments.
  • the weight proportion of the dye in the respective portion pack element was approximately 14% (dosage in the case of the capsule cups) or between 12% and 14% (dosage in the case of the capsule lids).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP23201417.5A 2023-10-03 2023-10-03 Capsule portion Withdrawn EP4534442A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP23201417.5A EP4534442A1 (fr) 2023-10-03 2023-10-03 Capsule portion
PCT/EP2024/077406 WO2025073614A1 (fr) 2023-10-03 2024-09-30 Élément d'emballage à usage unique et emballage à usage unique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23201417.5A EP4534442A1 (fr) 2023-10-03 2023-10-03 Capsule portion

Publications (1)

Publication Number Publication Date
EP4534442A1 true EP4534442A1 (fr) 2025-04-09

Family

ID=88241211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23201417.5A Withdrawn EP4534442A1 (fr) 2023-10-03 2023-10-03 Capsule portion

Country Status (2)

Country Link
EP (1) EP4534442A1 (fr)
WO (1) WO2025073614A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015096990A1 (fr) 2013-12-24 2015-07-02 Luna Technology Systems Lts Gmbh Capsule de portion pour la préparation d'un produit d'infusion et procédé de fabrication de celle-ci
DE102014109555A1 (de) 2014-07-08 2016-01-14 Tchibo Gmbh Portionskapsel
EP3118140A1 (fr) * 2015-07-14 2017-01-18 Delica AG Capsule de preparation d'un produit alimentaire liquide
WO2022219436A1 (fr) * 2021-04-14 2022-10-20 Bisio Progetti S.P.A. Gobelet et capsule pour la préparation de boissons

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015096990A1 (fr) 2013-12-24 2015-07-02 Luna Technology Systems Lts Gmbh Capsule de portion pour la préparation d'un produit d'infusion et procédé de fabrication de celle-ci
DE102014109555A1 (de) 2014-07-08 2016-01-14 Tchibo Gmbh Portionskapsel
EP3118140A1 (fr) * 2015-07-14 2017-01-18 Delica AG Capsule de preparation d'un produit alimentaire liquide
WO2022219436A1 (fr) * 2021-04-14 2022-10-20 Bisio Progetti S.P.A. Gobelet et capsule pour la préparation de boissons

Also Published As

Publication number Publication date
WO2025073614A1 (fr) 2025-04-10

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