EP3237306A1 - Cartridge for the preparation of liquid products - Google Patents
Cartridge for the preparation of liquid productsInfo
- Publication number
- EP3237306A1 EP3237306A1 EP15817570.3A EP15817570A EP3237306A1 EP 3237306 A1 EP3237306 A1 EP 3237306A1 EP 15817570 A EP15817570 A EP 15817570A EP 3237306 A1 EP3237306 A1 EP 3237306A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cartridge
- wall
- bottom wall
- side wall
- composting
- 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.)
- Pending
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
- 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
-
- 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
-
- 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 disclosure relates to cartridges for the preparation of liquid products.
- One or more embodiments may refer to cartridges for the preparation of beverages, such as coffee or tea .
- Cartridges also known as “capsules” or “pods" for preparing liquid products, such as beverages, by introducing into the cartridge liquid (possibly under pressure and/or at high temperature) and/or steam constitute a technological sector that is extremely rich and articulated, as documented, for example, by FR-A-757 358, FR-A-2 373 999 (corresponding to which is US-A-4 136 202), FR-A-2 556 323, GB-A-938 617, GB-A-
- EP-A-0 242 556 EP-A-0 468 078, EP-A- 0 469 162, EP-A-0 507 905, WO 2010/106516 Al , and EP-A- 2 218 653.
- a fair share of the solutions described in the documents referred to above primarily regards the preparation of liquid products constituted by beverages such as coffee, tea, chocolate, broth, soups, or various infusions.
- beverages such as coffee, tea, chocolate, broth, soups, or various infusions.
- preparation of coffee known from the prior-art documents (e.g., from EP-A-0 507 905, already mentioned above) , are solutions designed to enable preparation of espresso coffee.
- WO2010/077066 Al describes a cartridge comprising a bottom wall having a layered structure with at least one layer of a first compostable material that can undergo softening and/or melting at a temperature comprised between 70°C and 120°C, and at least one layer of a second compostable material that does not undergo significant softening and/or melting at that temperature.
- the aforesaid layers of compostable material are coupled together to form a composite material.
- Biodegradability i.e., the metabolic conversion of the compostable material into carbon dioxide. This property is measured with a standard testing method, namely prEN 14046 (also published as ISO 14855: biodegradability under controlled composting conditions) .
- the level of acceptance is 90% biodegradability (with respect to cellulose) to be achieved in less than 6 months.
- Disintegrability i.e., the fragmentation and loss of visibility in the final compost (absence of visual contamination) .
- a plant-growth test (test OECD 208, modified) is carried out on samples of compost where degradation of the test material has occurred. No difference must be observed as compared to a control compost.
- a biodegradable material is not necessarily compostable because it must also disintegrate during a composting cycle.
- a material that breaks up during a composting cycle into microscopic pieces that are not then, however, totally biodegradable is not compostable.
- UNI EN 13432 is a harmonized norm; i.e., it has been published in the Official Journal of the European Union and is adopted in Europe at a national level and envisages presumption of compliance with the European Directive No. 94/62 EC, on packages and package waste.
- Capsules or cartridges for the preparation of coffee (or tea or other liquid products such as beverages) that are compostable according to the norm UNI EN 13432 can be disposed of in organic recycling (composting) , for example envisaging that the spent capsules undergo a process of disintegration within a pre-set time (3 months) .
- One or more embodiments have the purpose of overcoming the aforesaid drawbacks.
- the above object is achieved thanks to a cartridge having the characteristics recalled in Claim 1.
- At least one between the bottom wall and the closing wall of the cartridge can be disintegrated by composting more rapidly than the side wall.
- At least one between the bottom wall and the closing wall of the cartridge is connected to the side wall by a bond resolvable during composting.
- the solutions referred to above may be implemented individually, i.e., either one or the other.
- FIG. 1 is a perspective cut-away view of a cartridge according to the embodiment.
- FIG. 2 and 3 are ideal views in radial cross section that exemplify possible modalities of operation of embodiments.
- references to "an embodiment” or “one embodiment” in the framework of the present description is intended to indicate that a particular configuration, structure, or characteristic described in relation to the embodiment is comprised in at least one embodiment.
- phrases such as “in an embodiment” or “in one embodiment” that may be present in various points of the present description do not necessarily refer to one and the same embodiment.
- particular conformations, structures, or characteristics may be combined in any adequate way in one or more embodiments .
- the reference number 10 designates as a whole a cartridge (or pod or capsule, these terms being here used as equivalent to one another) for preparing a liquid product by introducing liquid and/or steam into the cartridge.
- the liquid product in question may be constituted by a beverage such as coffee (for instance, espresso coffee) or tea, for example obtained by introducing into the cartridge liquid and/or steam under pressure and at a high temperature (i.e., hot) .
- a beverage such as coffee (for instance, espresso coffee) or tea, for example obtained by introducing into the cartridge liquid and/or steam under pressure and at a high temperature (i.e., hot) .
- the cartridge 10 contains a dose 12 of at least one substance that is able to form the aforesaid product via the aforesaid liquid and/or steam.
- the dose 12 may be constituted by ground coffee, or by another precursor of a liquid product such as, for example, a beverage, tea, chocolate either in powdered or granular form, products for preparing broths, soups, drinks, and infusions of various nature.
- a liquid product such as, for example, a beverage, tea, chocolate either in powdered or granular form, products for preparing broths, soups, drinks, and infusions of various nature.
- the structure of the cartridge 10 which is shaped as a whole substantially like a tray or small cup inside which the dose 12 is present, there may be distinguished:
- a body 14 comprising a side wall 140 and a bottom wall 142 that closes the body 14 at one end of the side wall 140;
- closing foil that closes the cartridge 10 at the opposite end with respect to the bottom wall 142.
- the material of the foil 16 may be suited to being connected in a fluid-tight way, for example by heat-sealing, to the side wall 140 of the body 14 of the cartridge, for instance at a flange 144 that surrounds the mouth part of the aforesaid body 140.
- the material of the bottom wall 142 may be suited to being connected in a fluid-tight way, for example by heat-sealing, to the side wall 140 of the body 14 of the cartridge, for instance at a flange 146 that extends towards the inside of the bottom part of the body 140.
- the bottom wall 142 may also be made of a single piece with the side wall 140.
- the bottom wall 142 is plane or substantially plane. In one or more embodiments, the bottom wall 142 may also present a vaulted shape, for example concave with the concavity facing the outside or the inside of the cartridge 10. Also in this case, the choice of the above shape is not imperative.
- the body 14 may present a tray-like conformation diverging from the bottom wall 142 towards the end closed by the sealing foil 16.
- this divergent conformation may, for example, be a frustoconical conformation. This conformation is not on the other hand imperative in so far as the cartridge 10 may present as a whole different shapes, for example a prismatic shape, or the shape of a truncated pyramid, etc.
- Figure 1 is a cut-away view, in which half of the cartridge 10 is visible, and it is assumed that the non-visible half is specularly symmetrical to the visible half.
- sequence of use of the cartridge 10 may be substantially the same as the sequence of use of the cartridge described in EP-A- 0 507 905 or WO2012/077066 Al already referred to above, which renders any repetition of the corresponding description superfluous.
- the cartridge 10 is laid on an array of bottom tips, which may have a hollow structure, substantially resembling a syringe needle, with one or more openings that enable off-flow of the liquid product prepared using the cartridge 10;
- the machine for preparing liquid products e.g., a coffee brewer, which is also of a known type
- the machine for preparing liquid products may be activated, thus causing water at a temperature in the region of 90-100°C and at a pressure in the region of 8-10 atm or higher to flow through the holes formed in the top foil 16 (e.g., via a pump) ;
- the hot water under pressure that flows into the cartridge 10 can perform a dual function: in the first place, the hot water starts to penetrate into the dose 12 starting off the process (which may be referred to, perhaps in a not altogether proper way, as "infusion") that leads to preparation of the beverage; in the second place, the pressure that is set up within the cartridge 10 causes the bottom 142 to undergo deformation and be pushed against the tips on which the bottom wall 142 itself rests;
- penetration of the tips into the bottom wall 142 may be only partial, with the tips that start only to deform the bottom 142 of the cartridge 10, creating dimples therein; in a subsequent step, the bottom tips 100 start to penetrate the bottom wall 142 of the cartridge 10 so that the cavities provided in these tips (as has already been said, in various embodiments these are hollow tips, which resemble syringe needles) enter in communication with the internal volume of the cartridge 10 so that the infusion of coffee starts to come out of the cartridge 10 and to flow out through the bottom tips;
- the mechanism of perforation of the bottom wall 142 of the cartridge 10 may then proceed until practically each of the bottom tips has perforated the bottom wall 142 of the cartridge 10, penetrating into the cartridge 10 itself, so that the axial cavity of each tip provides an out-flow path for delivery of the infusion of coffee; - the above condition is maintained up to completion of preparation of the beverage; at this point, the pump that sends the hot water under pressure into the cartridge 10 is deactivated, the top tips (if this has not already happened previously) move away from the foil 16, which they had previously perforated, and the spent cartridge 10 can be taken out of the machine and replaced by a new cartridge in order to proceed to preparation of a new liquid product (e.g., coffee) .
- a new liquid product e.g., coffee
- the perforation of the bottom wall 142 instead of occurring following upon introduction of the liquid and/or steam into the cartridge 10, may also occur in "cold" conditions following upon an action of perforation of the bottom 142 of the cartridge 10 by the tips of the bottom 142 of the cartridge 10 laid on the bottom tips (before, together with, or after perforation of the sealing foil 16) even before the liquid and/or steam starts flowing into the cartridge 10.
- a compostable cartridge 10 may comprise:
- a side wall 140 made of a material (e.g., plastic) that is compostable according to UNI EN 13432;
- top wall or sealing foil 16 made of a material compostable according to UNI EN 13432.
- Distinct reference to a compostable material according to UNI EN 13432 for the side wall 140, the bottom wall 142, and the top wall or sealing foil 16 aims at highlighting the fact that these materials may be either the same as or different from one another: for instance (this being just one of the possible examples), in one or more embodiments, the bottom wall 142 could be made of a single piece with the wall 140.
- compostable materials such as, for example: polymers extracted from biomass (for instance, polysaccharides such as cellulose-starch, lipids, proteins) ; synthetic polymers (e.g., polylactic acid - PLA - deriving from fermentation of starch) ; polymers produced by genetically modified micro-organisms or bacteria (e.g., polyhydroxyalkanoates - PHA) ; and polymers from fossil monomers (e.g., polybutylsuccinate - PBS) ; also belonging in this category are mixtures of the above (the so-called “compounds”) with or without the introduction of additives, such as nanoparticles (e.g., talcum, Cloisite) .
- biomass for instance, polysaccharides such as cellulose-starch, lipids, proteins
- synthetic polymers e.g., polylactic acid - PLA - deriving from fermentation of starch
- polymers produced by genetically modified micro-organisms or bacteria e.g.,
- the bottom wall 142 may be made of a material that is the same as or different from the material that constitutes the top wall 16.
- the liquid and/or steam introduced into the cartridge may be at temperatures of around 100°C and at pressures even higher than 10 atm, compostable materials such as the ones recalled above can undergo softening or melting, a circumstance that can basically be put down to the fact that they are materials of natural origin.
- the bottom wall 142 and/or the top closing wall 16 may comprise a single layer of paper or a single layer of plastic or a mono-material laminate or a multi-material laminate.
- the cartridge 10 as a whole may constitute a packaging formed by materials recoverable by composting and biodegradation, for example in accordance with the norm UNI EN 13432:2002 and/or subsequent modifications and integrations.
- the cartridge albeit constituted by materials in themselves compostable and with maximum thickness of the wall equal to or smaller than the maximum compostable thickness for the material used, may present as a whole as not compostable in the terms outlined above.
- One or more embodiments aim at overcoming this drawback by providing the cartridge 10, after it has performed its function of enclosing and withholding the dose 12 of precursor of the product (e.g., the ground coffee) inside it before and during the operations of preparation of the liquid product, in such a way that it is able to "open up", thus causing the dose 12 to be no longer withheld within it and enabling an acceleration and completion of disintegration, and hence composting, also, for example, of the side wall 140, in the times required by the reference standard in so far as the microbial action can take place on both sides of the side wall.
- precursor of the product e.g., the ground coffee
- the composting process envisages, for the staff managing the plant in which the cycle is executed, implementation of some operations of movement of the organic mass undergoing the composting cycle according to approximately fixed schedules.
- This action which is of a prevalently mechanical nature, aims at turning over the mass of the reacting compost to oxygenate it.
- This mechanical action is consequently applied also to the cartridges, which, being contained in the bulk of the organic mass, can react under this action according to pre-set modalities of disaggregation determined by the design of the capsule itself (i.e., the bottom and/or the lid tend to undergo delamination and/or to tear with greater ease than the rest) .
- cartridges that, during the composting cycle, are able to open up to facilitate mixing with the rest of the organic mass may lead to an improvement in the rapidity of disintegration and thus represent an aid to the staff managing the plant in obtaining a homogeneous end product according to the final desired requisites.
- such a behaviour can be achieved in different ways, which may possibly be combined with one another.
- At least one between the top wall 16 and the bottom wall 142 can be initially connected to the side wall 140 (e.g., welded thereon, as exemplified in Figure 1) so as to withhold the dose 12 within the cartridge 10 during the step of conservation, dispensing, and discharging of the cartridge from the dispensing machine.
- the side wall 140 e.g., welded thereon, as exemplified in Figure 1
- the aim of the foregoing is to favour exit of the spent dose 12 from the cartridge 10 and thus enable acceleration and completion of disintegration, and hence of composting of the cartridge 10 in accordance with the reference standards since, for example, the microbial action can take place on both sides of the side wall 140.
- the top wall 16 and/or the bottom wall 142 of the cartridge 10 may be made so as to have a higher rate of disintegration than the side wall 140, this being a result that may also be facilitated by the possible presence of holes formed during dispensing of the liquid product.
- the faster rate of disintegration, and hence of composting, of the top wall 16 and/or of the bottom wall 142 can cause the spent dose 12 to be no longer withheld within the cartridge, as represented schematically in Figure 3.
- the top closing wall 16, the bottom wall 142, and the side wall 140 may be constituted as follows: - closing wall 16 - material: compostable paper/cellulose, compostable polymer, for example PLA, in a single layer or in double-layered or triple- layered laminates; thickness: from 30 ⁇ to 300 ⁇ (30- 300 ⁇ 10 ⁇ 6 m) , preferably between 70 and 100 ⁇ (70- 100 ⁇ 10 ⁇ 6 m) ; disintegration time according to UNI EN 13 432: less than or equal to 5 weeks;
- bottom wall 142 - material compostable paper/cellulose, compostable polymer, for example PLA, in a single layer or in double-layered or triple- layered laminates; thickness: from 30 ⁇ to 300 ⁇ (30- 300 ⁇ 10 ⁇ 6 m) , preferably between 70 ⁇ and 100 ⁇ (70- 100 ⁇ 10 ⁇ 6 m) ; disintegration time according to UNI EN 13 432: less than or equal to 5 weeks;
- side wall 140 - material compostable paper/cellulose, compostable polymer, for example PLA, in a single layer or in double-layered or triple- layered laminates; thickness: greater than 0.3 mm (0.3 ⁇ 10 ⁇ 3 m) ; disintegration time according to UNI EN 13 432: longer than 5 weeks and less than 12 weeks.
- the top wall 16 and the bottom wall 142 can be welded to the side wall 140 as follows:
- - bonding of the top wall 16 on the side wall 140 heat-sealing or ultrasonic sealing; resistance to peeling/delamination prior to use: between 50N/150mm and 200N/150mm, measured along the axis of the cartridge subjected to tensile stress; decrease of resistance to peeling/delamination at 2 h from use (e.g., following upon hot preparation of beverage, with introduction of water/steam at approximately 95°C) : at least 20%, preferably 50%;
- - bonding of the bottom wall 142 on the side wall 140 heat-sealing or ultrasonic sealing; resistance to peeling/delamination, prior to use: between 50N/150mm and 200N/150mm, measured along the axis of the cartridge subjected to tensile stress; decrease of resistance to peeling/delamination at 2 h from use (e.g., following upon hot preparation of beverage, with introduction of water/steam at approximately 95°C) : at least 20%, preferably 50%.
- the aforesaid data regarding resistance to peeling/delamination refer to heat-sealing at a temperature of between 100°C and 180°C, preferably 140°C for a time interval of less than 10 s, preferably between 0.5 and 2 s, or else refer to ultrasonic sealing at a frequency preferably of between 10 and 50 kHz, preferably between 20 and 30 kHz, and a welding time of between 0.1 and 0.5 s, preferably between 0.2 and 0.3 s .
- the data given above exemplify the fact that, in one or more embodiments, following upon preparation of a liquid product using liquid and/or steam introduced at high temperature into the cartridge 10, the aforesaid bond resolvable during composting is weakened, for example, by at least 20%, preferably 50%, by the aforesaid liquid and/or steam introduced at a certain temperature into the cartridge 10.
- the data provided above exemplify the possibility, in one or more embodiments, of the bottom wall 142 and/or the closing wall 16 being connected to the side wall 140 with an adhesive bond that can peel off following upon composting.
- the bottom wall 142 and/or the closing wall 16 are puncturable without being torn during preparation of the liquid product, for example, coffee.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Apparatus For Making Beverages (AREA)
- Processing Of Solid Wastes (AREA)
- Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO20141083 | 2014-12-22 | ||
PCT/IB2015/059588 WO2016103104A1 (en) | 2014-12-22 | 2015-12-14 | Cartridge for the preparation of liquid products |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3237306A1 true EP3237306A1 (en) | 2017-11-01 |
Family
ID=52577897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15817570.3A Pending EP3237306A1 (en) | 2014-12-22 | 2015-12-14 | Cartridge for the preparation of liquid products |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170334624A1 (en) |
EP (1) | EP3237306A1 (en) |
CN (1) | CN107000929B (en) |
AU (1) | AU2015370560B2 (en) |
CA (1) | CA2968809A1 (en) |
WO (1) | WO2016103104A1 (en) |
Families Citing this family (10)
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US11832755B2 (en) * | 2007-07-13 | 2023-12-05 | Adrian Rivera | Brewing material container for a beverage brewer |
US10722066B2 (en) * | 2010-12-04 | 2020-07-28 | Adrian Rivera | Windowed single serving brewing material holder |
EP3023361B1 (en) * | 2010-07-22 | 2018-12-26 | K-fee System GmbH | Portion capsule having an identifier |
MX2017010987A (en) * | 2015-02-27 | 2017-10-18 | Bisio Progetti Spa | Capsule for the preparation of infused or soluble beverages. |
ITUB20160700A1 (en) | 2016-02-12 | 2017-08-12 | Lavazza Luigi Spa | Infusion unit and system for preparing beverages using capsules or the like. |
DE102016112135A1 (en) * | 2016-07-01 | 2018-01-04 | Bbc Bremer Bagasse Company Gmbh & Co. Kg | Portion container for extractable substances for making a beverage |
CN106069309A (en) * | 2016-08-16 | 2016-11-09 | 杭州果攸生态环境科技有限公司 | Solid heap fertilizer flowerpot |
IT201600089415A1 (en) * | 2016-09-02 | 2018-03-02 | Lavazza Luigi Spa | CARTRIDGE FOR THE PREPARATION OF LIQUID PRODUCTS |
IT201800002976A1 (en) | 2018-02-23 | 2019-08-23 | Bruno Bardazzi | Beverage preparation system |
US11805934B1 (en) * | 2020-10-21 | 2023-11-07 | Adrian Rivera | Brewing material lid and container for a beverage brewer |
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IT1403011B1 (en) * | 2010-12-10 | 2013-09-27 | Lavazza Luigi Spa | "CARTRIDGE FOR THE PREPARATION OF A LIQUID PRODUCT" |
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-
2015
- 2015-12-14 EP EP15817570.3A patent/EP3237306A1/en active Pending
- 2015-12-14 CA CA2968809A patent/CA2968809A1/en active Pending
- 2015-12-14 WO PCT/IB2015/059588 patent/WO2016103104A1/en active Application Filing
- 2015-12-14 US US15/538,342 patent/US20170334624A1/en not_active Abandoned
- 2015-12-14 CN CN201580070489.2A patent/CN107000929B/en active Active
- 2015-12-14 AU AU2015370560A patent/AU2015370560B2/en active Active
Non-Patent Citations (2)
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Also Published As
Publication number | Publication date |
---|---|
AU2015370560B2 (en) | 2019-08-22 |
CN107000929B (en) | 2019-03-26 |
CA2968809A1 (en) | 2016-06-30 |
US20170334624A1 (en) | 2017-11-23 |
CN107000929A (en) | 2017-08-01 |
WO2016103104A1 (en) | 2016-06-30 |
AU2015370560A1 (en) | 2017-06-15 |
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