WO2019002420A1 - Biodegradable capsule - Google Patents

Biodegradable capsule Download PDF

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Publication number
WO2019002420A1
WO2019002420A1 PCT/EP2018/067336 EP2018067336W WO2019002420A1 WO 2019002420 A1 WO2019002420 A1 WO 2019002420A1 EP 2018067336 W EP2018067336 W EP 2018067336W WO 2019002420 A1 WO2019002420 A1 WO 2019002420A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
capsule
capsule according
edge
hollow body
Prior art date
Application number
PCT/EP2018/067336
Other languages
French (fr)
Inventor
Mario Pascucci
Original Assignee
Caffe' Pascucci Torrefazione S.P.A.
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 Caffe' Pascucci Torrefazione S.P.A. filed Critical Caffe' Pascucci Torrefazione S.P.A.
Publication of WO2019002420A1 publication Critical patent/WO2019002420A1/en

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
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Definitions

  • the present invention relates to single-use containers for food or substances for the preparation of food and beverages, and more particularly it refers to a biodegradable capsule.
  • capsules containing ground coffee, tea or other preparations or mixtures in grains or powder, for the preparation of beverages are made of synthetic material, such as plastic materials such as PE or PET or aluminum, and the lid or cap is normally made of aluminum coupled with polythene.
  • these known capsules cause a serious problem for disposal as they are made of plastic or metal having inside an organic material such as coffee, tea, various infusions, etc. so the materials should be separated to proceed to a correct disposal.
  • Capsules made of plastics for food use are recently known, for example made of PLA (poly-lactic acid) or of Mater Bi.
  • Another disadvantage consists in that these capsules are fragile and often crack and/or lacerate when they are subjected to high temperatures and pressures inside the various coffee machines.
  • the known capsules for example of PLA or of Mater Bi, have the further disadvantage of having relatively high production costs and of using noble materials destined for human and animal food such as maize and various seeds, thus subtracting food resources to animal world.
  • US2014/335236 discloses a biodegradable capsule containing coffee, its derivatives, tea, or other preparations or mixtures, made of cellulose, in particular bamboo or bagasse.
  • the main object of the present invention is to propose a capsule made of totally biodegradable and/or compostable material. Further important object of the present invention is to propose a capsule designed to create optimal paths for the filtration of the liquid beverage so as to obtain a highly creamy drink with a longer persistence of the creamy part thus obtained.
  • Another object of the present invention is to propose a capsule with reduced production costs and with the use of non-food material, or of little use or even that remains unused.
  • FIG. 1 shows a perspective view of a capsule object of the present invention
  • FIG. 2 shows a partially sectional front view of the capsule of figure 1;
  • FIG. 3 shows a bottom view of the capsule of figure 2
  • FIG. 4 shows a partially sectional front view of a variant of the capsule of Figure 1;
  • FIG. 5 shows a photograph of an inner portion of the capsule object of the present invention
  • numeral 1 indicates a biodegradable capsule for the containment of coffee, its derivatives, barley, tea or other preparations or mixtures 2, in powder, scraps or grains, and used in a special machine for the preparation of drinks, beverages, or infusions, of coffee machine type.
  • the capsule 1 has a hollow body 3 having a bottom 6 connected to a side wall 7, the end of which, opposite to bottom 6, in the preferred embodiment, is folded to form a protruding or receding edge 8 which is not shown.
  • a lid 4 is fixed, both preferably of circular shape.
  • the capsule 1, then body 3 and lid 4 are made of wood-like material, preferably of the type pressed and dried palm leaves, of Areca type.
  • the material is also derived from cellulose and may also derive from other parts of plants, in particular bark and/or trunk of palm tree.
  • the lid 4 is glued to hollow body 3 by means of a natural food glue 5, preferably based on corn and/or flour starch, for example cereals, and/or soybeans.
  • a natural food glue 5 preferably based on corn and/or flour starch, for example cereals, and/or soybeans.
  • the materials used in making the capsule 1 are natural, easily available, in large quantities and therefore extremely low cost.
  • the side wall 7 is cylindrical from the cylindrical edge 8 to about half of its height and then tapers to a truncated cone up to the connection with the cylindrical bottom 6 which is smaller in size than the edge 8.
  • capsules having a hollow body 3 of any suitable conformation compatible with the various coffee machines, fall inside the object of the invention.
  • the assembly of capsule 1 provides the insertion of coffee or tea or various scraps 2 into the hollow body 3 up to a predetermined level, then the spreading of glue 5 onto the edge 8 and/or onto the inner surface near the edge of lid 4 and the positioning of the latter on the edge 8 so as to make the welding thereof.
  • capsule 1 is packaged phase of capsule 1 inside a bag of biodegradable material, for example of PLA, and in a modified atmosphere, for example nitrogen.
  • a bag of biodegradable material for example of PLA
  • a modified atmosphere for example nitrogen.
  • the subsequent use of capsule 1 provides its insertion, after removal of the envelope if present, into the appropriate seat of coffee machine in which it is subjected to the passage of water at high temperature under pressure in order to deliver the relative beverage.
  • the capsule 1 is fully recyclable being made of 100% organic material so that it can be disposed together with the common organic waste without the need to make any separation between the capsule 1 or its hollow body elements 3 and/or lid 4, and the contents 2.
  • a variant of the capsule 1 provides that the lid 4 is fixed on the edge 8 of the hollow body 3 by gluing for pressure and permanent deformation, also by means of mutual penetration, of the contact surfaces of lid 4 with edge 8.
  • a further variant of the capsule 1, not shown, provides that the lid 4 and/or the edge 8 have joinable coupling means which are complementarily engaged so as to achieve a mutual solid blocking.
  • These coupling means are in the form of radial or circumferential grooves on the edge 8 and of corresponding radial or circumferential reliefs near the edge of the cover 4, or vice versa.
  • FIG. 4 Another variant, shown in Figure 4, provides that the lid 4 is sewn to the edge 8 by means of a thread 9 of natural compostable material, for example of cellulose or a cotton or hemp thread or equivalent material.
  • a thread 9 of natural compostable material for example of cellulose or a cotton or hemp thread or equivalent material.
  • the photographs illustrate that the dehydrated palm leaf used to form the capsule 1 has an identifiable porosity with a plurality of pores 10, interspersed with a plurality of grooves 11 which are deep some tenths of a millimeter. Only some of the plurality of pores 10 and of grooves 11 are identified in Figures 5-6.
  • the lid 4 of the capsule 1 is hit by a flow of boiling water under pressure which enters into capsule 1 in contact with coffee or tea powder or various mixtures powder or scraps, and the water-powder emulsion so generated is pushed under pressure through pores 10 and grooves 11 and is poured out from the capsule 1 as a drink extremely rich in cream of high persistence.
  • the pores 10 and the grooves 11 provide a set or series of infusion and/or filtration paths, each obtained from a combination "pore-pore” and/or “pore-groove” and/or “groove-groove”, for the water-powder emulsion which, under pressure inside infusion process, is excellent for making the creaminess of the final drink, i.e. coffee, barley, tea and infusion. It has been tested that the cream obtained is abundant, very compact, with a persistent duration, even lasts longer than ten minutes, therefore with a duration of up to five times longer than the persistence of the cream produced with the known capsules.
  • the main advantage of the present invention is that of providing a capsule of totally biodegradable and/or compo stable material.
  • Another advantage is to provide a capsule with reduced production costs, with material of little use, with low industrial interest or which would remain unused.

Abstract

A capsule containing coffee, tea or other preparations or mixtures (2) is defined by a hollow body (3) whose free top is closed by a lid (4) and is made of wood-like material, preferably of the type leaves and/or trunk and/or bark of palm. The fixing of lid (4) to hollow body (3) is made by a natural food glue (5) based on corn or flour or soy starch.

Description

BIODEGRADABLE CAPSULE
DESCRIPTION TECHNICAL FIELD
The present invention relates to single-use containers for food or substances for the preparation of food and beverages, and more particularly it refers to a biodegradable capsule.
BACKGROUND ART
Known capsules containing ground coffee, tea or other preparations or mixtures in grains or powder, for the preparation of beverages, are made of synthetic material, such as plastic materials such as PE or PET or aluminum, and the lid or cap is normally made of aluminum coupled with polythene.
After use, these known capsules cause a serious problem for disposal as they are made of plastic or metal having inside an organic material such as coffee, tea, various infusions, etc. so the materials should be separated to proceed to a correct disposal.
The enormous disadvantage of these capsules consists precisely in their incomplete biodegradability and therefore in the treatment as a so-called "undifferentiated" material. Capsules made of plastics for food use are recently known, for example made of PLA (poly-lactic acid) or of Mater Bi.
Also for these capsules there is the problem that they are not completely biodegradable, as they are made of plastic material.
Another disadvantage consists in that these capsules are fragile and often crack and/or lacerate when they are subjected to high temperatures and pressures inside the various coffee machines.
The known capsules, for example of PLA or of Mater Bi, have the further disadvantage of having relatively high production costs and of using noble materials destined for human and animal food such as maize and various seeds, thus subtracting food resources to animal world.
The document US2014/335236 discloses a biodegradable capsule containing coffee, its derivatives, tea, or other preparations or mixtures, made of cellulose, in particular bamboo or bagasse.
Document WO2017/072808 discloses a capsule for soluble or infusion drinks made of compostable and/or biodegradable material. The main disadvantage of capsules produced according to the solutions described in the two previous documents is that the biodegradable material used has predominantly an elongated fibrous part without porosity or in any case with porosity not suitable for obtaining a correct filtration of coffee or tea powder. DISCLOSURE OF INVENTION
The main object of the present invention is to propose a capsule made of totally biodegradable and/or compostable material. Further important object of the present invention is to propose a capsule designed to create optimal paths for the filtration of the liquid beverage so as to obtain a highly creamy drink with a longer persistence of the creamy part thus obtained.
Another object of the present invention is to propose a capsule with reduced production costs and with the use of non-food material, or of little use or even that remains unused. BRIEF DESCRIPTION OF THE DRAWINGS
The characteristics of the invention are shown below with particular reference to the attached drawings in which:
- Figure 1 shows a perspective view of a capsule object of the present invention;
- Figure 2 shows a partially sectional front view of the capsule of figure 1;
- Figure 3 shows a bottom view of the capsule of figure 2;
- Figure 4 shows a partially sectional front view of a variant of the capsule of Figure 1;
- Figure 5 shows a photograph of an inner portion of the capsule object of the present invention;
- Figure 6 illustrates an enlarged detail of the capsule of Figure 5.
BEST MODE TO CARRY OUT THE INVENTION
With reference to Figures 1-3, numeral 1 indicates a biodegradable capsule for the containment of coffee, its derivatives, barley, tea or other preparations or mixtures 2, in powder, scraps or grains, and used in a special machine for the preparation of drinks, beverages, or infusions, of coffee machine type.
The capsule 1 has a hollow body 3 having a bottom 6 connected to a side wall 7, the end of which, opposite to bottom 6, in the preferred embodiment, is folded to form a protruding or receding edge 8 which is not shown. On the edge 8 a lid 4 is fixed, both preferably of circular shape.
The capsule 1, then body 3 and lid 4, are made of wood-like material, preferably of the type pressed and dried palm leaves, of Areca type. The material is also derived from cellulose and may also derive from other parts of plants, in particular bark and/or trunk of palm tree.
The lid 4 is glued to hollow body 3 by means of a natural food glue 5, preferably based on corn and/or flour starch, for example cereals, and/or soybeans. The materials used in making the capsule 1 are natural, easily available, in large quantities and therefore extremely low cost. In the preferred embodiment, the side wall 7 is cylindrical from the cylindrical edge 8 to about half of its height and then tapers to a truncated cone up to the connection with the cylindrical bottom 6 which is smaller in size than the edge 8.
Obviously, capsules, having a hollow body 3 of any suitable conformation compatible with the various coffee machines, fall inside the object of the invention.
The assembly of capsule 1 provides the insertion of coffee or tea or various scraps 2 into the hollow body 3 up to a predetermined level, then the spreading of glue 5 onto the edge 8 and/or onto the inner surface near the edge of lid 4 and the positioning of the latter on the edge 8 so as to make the welding thereof.
Optional is the packaging phase of capsule 1 inside a bag of biodegradable material, for example of PLA, and in a modified atmosphere, for example nitrogen. The subsequent use of capsule 1 provides its insertion, after removal of the envelope if present, into the appropriate seat of coffee machine in which it is subjected to the passage of water at high temperature under pressure in order to deliver the relative beverage. After use, the capsule 1 is fully recyclable being made of 100% organic material so that it can be disposed together with the common organic waste without the need to make any separation between the capsule 1 or its hollow body elements 3 and/or lid 4, and the contents 2. A variant of the capsule 1 provides that the lid 4 is fixed on the edge 8 of the hollow body 3 by gluing for pressure and permanent deformation, also by means of mutual penetration, of the contact surfaces of lid 4 with edge 8. A further variant of the capsule 1, not shown, provides that the lid 4 and/or the edge 8 have joinable coupling means which are complementarily engaged so as to achieve a mutual solid blocking. These coupling means are in the form of radial or circumferential grooves on the edge 8 and of corresponding radial or circumferential reliefs near the edge of the cover 4, or vice versa.
Another variant, shown in Figure 4, provides that the lid 4 is sewn to the edge 8 by means of a thread 9 of natural compostable material, for example of cellulose or a cotton or hemp thread or equivalent material.
With particular reference to Figures 5-6, the photographs illustrate that the dehydrated palm leaf used to form the capsule 1 has an identifiable porosity with a plurality of pores 10, interspersed with a plurality of grooves 11 which are deep some tenths of a millimeter. Only some of the plurality of pores 10 and of grooves 11 are identified in Figures 5-6.
During the infusion process, mainly the lid 4 of the capsule 1 is hit by a flow of boiling water under pressure which enters into capsule 1 in contact with coffee or tea powder or various mixtures powder or scraps, and the water-powder emulsion so generated is pushed under pressure through pores 10 and grooves 11 and is poured out from the capsule 1 as a drink extremely rich in cream of high persistence.
By virtue of the particular porosity of the palm leaf, the pores 10 and the grooves 11 provide a set or series of infusion and/or filtration paths, each obtained from a combination "pore-pore" and/or "pore-groove" and/or "groove-groove", for the water-powder emulsion which, under pressure inside infusion process, is excellent for making the creaminess of the final drink, i.e. coffee, barley, tea and infusion. It has been tested that the cream obtained is abundant, very compact, with a persistent duration, even lasts longer than ten minutes, therefore with a duration of up to five times longer than the persistence of the cream produced with the known capsules.
The main advantage of the present invention is that of providing a capsule of totally biodegradable and/or compo stable material.
Further advantage is to provide a capsule fit to supply optimal paths for the drink filtration so obtaining a highly creamy drink with a longer persistence of the creamy part thereof.
Another advantage is to provide a capsule with reduced production costs, with material of little use, with low industrial interest or which would remain unused.

Claims

1) Biodegradable capsule, for the containment of powder or scraps of coffee, its derivatives, barley, tea, or other preparations or mixtures (2) to be infused with water under pressure for the preparation of a drink, defined by a hollow body (3) whose free top is closed by a lid (4); with body (3) and/or lid (4) made of lignin and/or of cellulose; the capsule (1) being characterized in that at least the body (3) and/or the lid (4) are made of leaves, and/or trunk, and/or bark of palm.
2) Capsule according to claim 1 characterized in that at least the body (3) and/or the lid (4) have a set of infusion and/or filtration paths defined by a plurality of pores (10) and/or of grooves (11) interspersed between them in the leaf and/or trunk and/or bark of palm.
3) Capsule according to any previous claims characterized in that the hollow body (3) has a bottom (6) connected to a side wall (7) whose end is folded to form an edge (8). 4) Capsule according to claim 3 characterized in that the side wall (7) is cylindrical in proximity to the edge (8) and it is tapered to cone trunk towards the bottom (6) that is smaller than the edge (8).
5) Capsule according to any previous claims characterized in that the lid (4) is fixed to hollow body (3) by natural food glue (5).
6) Capsule according to claim 5 characterized in that the glue (5) is based on corn starch or flour or soy. 7) Capsule according to any claims from 1 to 4 characterized in that the lid (4) is fixed to the edge (8) by means of pressure and permanent deformation, preferably with mutual interpenetration.
8) Capsule according any to claims from 1 to 4 characterized in that the lid (4) and/or the edge (8) have coupling means complementarily fit to provide a mutual solid fixing.
9) Capsule according to any claims from 1 to 4 characterized in that the lid (4) and the edge (8) are joined by sewing with a thread (9) of compostable natural material.
10) Capsule according to any previous claims characterized in that the capsule (1) further comprises an outer bag of biodegradable material.
PCT/EP2018/067336 2017-06-27 2018-06-27 Biodegradable capsule WO2019002420A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102017000071880 2017-06-27
IT102017000071880A IT201700071880A1 (en) 2017-06-27 2017-06-27 BIODEGRADABLE CAPSULE

Publications (1)

Publication Number Publication Date
WO2019002420A1 true WO2019002420A1 (en) 2019-01-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/067336 WO2019002420A1 (en) 2017-06-27 2018-06-27 Biodegradable capsule

Country Status (2)

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IT (1) IT201700071880A1 (en)
WO (1) WO2019002420A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3788884A1 (en) * 2019-09-05 2021-03-10 Delica AG Compostable capsule and production and use thereof
EP3907158A1 (en) 2020-05-08 2021-11-10 Tchibo GmbH Cartridge and method for producing a cartridge

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080095959A1 (en) * 2006-10-20 2008-04-24 The Republic Of Tea Infusion package
WO2010071815A1 (en) * 2008-12-19 2010-06-24 Warner Jim F Environmentally friendly liquid container and method of manufacture
US20130045307A1 (en) * 2011-08-17 2013-02-21 Medora Safai Brew Cartridge
WO2014012783A2 (en) * 2012-07-16 2014-01-23 Tuttoespresso S.R.L. Capsule and brewing system with adaptable sealing element
US20140335236A1 (en) 2013-05-08 2014-11-13 G Cup Technology Corp. Biodegradable and compostable single-serve beverage ingredient package
WO2017072808A1 (en) 2015-10-30 2017-05-04 Cossa Polimeri S.R.L. Capsule for preparing infusion or soluble beverages

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080095959A1 (en) * 2006-10-20 2008-04-24 The Republic Of Tea Infusion package
WO2010071815A1 (en) * 2008-12-19 2010-06-24 Warner Jim F Environmentally friendly liquid container and method of manufacture
US20130045307A1 (en) * 2011-08-17 2013-02-21 Medora Safai Brew Cartridge
WO2014012783A2 (en) * 2012-07-16 2014-01-23 Tuttoespresso S.R.L. Capsule and brewing system with adaptable sealing element
US20140335236A1 (en) 2013-05-08 2014-11-13 G Cup Technology Corp. Biodegradable and compostable single-serve beverage ingredient package
WO2017072808A1 (en) 2015-10-30 2017-05-04 Cossa Polimeri S.R.L. Capsule for preparing infusion or soluble beverages

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3788884A1 (en) * 2019-09-05 2021-03-10 Delica AG Compostable capsule and production and use thereof
WO2021044024A1 (en) * 2019-09-05 2021-03-11 Delica Ag Compostable capsules and production and use thereof
CN114502006A (en) * 2019-09-05 2022-05-13 德利卡股份公司 Compostable capsules, their preparation and use
AU2020340558B2 (en) * 2019-09-05 2023-09-28 Delica Ag Compostable capsules and production and use thereof
EP3907158A1 (en) 2020-05-08 2021-11-10 Tchibo GmbH Cartridge and method for producing a cartridge
WO2021224425A1 (en) 2020-05-08 2021-11-11 Tchibo Gmbh Portion capsule and method for producing a portion capsule

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