WO2014097039A1 - Cartridge for preparing a liquid product, and process for production thereof - Google Patents
Cartridge for preparing a liquid product, and process for production thereof Download PDFInfo
- Publication number
- WO2014097039A1 WO2014097039A1 PCT/IB2013/060665 IB2013060665W WO2014097039A1 WO 2014097039 A1 WO2014097039 A1 WO 2014097039A1 IB 2013060665 W IB2013060665 W IB 2013060665W WO 2014097039 A1 WO2014097039 A1 WO 2014097039A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cartridge
- bottom wall
- annular
- casing
- central portion
- Prior art date
Links
- 239000012263 liquid product Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 13
- 230000008569 process Effects 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000000126 substance Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 38
- 239000011888 foil Substances 0.000 claims description 14
- 229920001432 poly(L-lactide) Polymers 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000004626 polylactic acid Substances 0.000 claims description 11
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 9
- 238000009472 formulation Methods 0.000 claims description 8
- 239000012764 mineral filler Substances 0.000 claims description 8
- 229920002472 Starch Polymers 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 5
- -1 polybutylene succinate Polymers 0.000 claims description 5
- 229920002261 Corn starch Polymers 0.000 claims description 4
- 239000004631 polybutylene succinate Substances 0.000 claims description 4
- 229920002961 polybutylene succinate Polymers 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 244000005700 microbiome Species 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 claims 4
- 239000000835 fiber Substances 0.000 claims 2
- 235000016213 coffee Nutrition 0.000 abstract description 26
- 235000013353 coffee beverage Nutrition 0.000 abstract description 26
- 235000013361 beverage Nutrition 0.000 description 21
- 238000002360 preparation method Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000009264 composting Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 239000002775 capsule Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000012620 biological material Substances 0.000 description 5
- 239000002361 compost Substances 0.000 description 5
- 235000015114 espresso Nutrition 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 206010011906 Death Diseases 0.000 description 2
- 235000019759 Maize starch Nutrition 0.000 description 2
- 229920001397 Poly-beta-hydroxybutyrate Polymers 0.000 description 2
- 229920000331 Polyhydroxybutyrate Polymers 0.000 description 2
- 244000269722 Thea sinensis Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229920001222 biopolymer Polymers 0.000 description 2
- 235000010633 broth Nutrition 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 235000019219 chocolate Nutrition 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005325 percolation Methods 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009418 agronomic effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000010816 packaging waste Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B65D85/8055—Means for influencing the liquid flow inside the package
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
- B29K2001/08—Cellulose derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2003/00—Use of starch or derivatives as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/04—Polyesters derived from hydroxycarboxylic acids
- B29K2067/046—PLA, i.e. polylactic acid or polylactide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
-
- 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 description relates to cartridges for the preparation of liquid products.
- Various embodiments may regard cartridges for the preparation of beverages, for example coffee.
- Cartridges for the preparation of a liquid product, such as for example a beverage, via introduction into the cartridge of liquid (possibly under pressure and/or at high temperature) and/or vapour constitute an extremely rich and articulated technological sector, as documented, for example, by FR-A-757 358, FR-A-2 373 999 (corresponding to US-A-4 136 202), FR-A-2 556 323, GB- A-938 617, GB-A-2 023 086, CH-A-406 561, US-A-3 403 617, US-A-3 470 812, US-A-3 607 297 (corresponding to FR-A-1 537 031), WO-A-86/02 537, EP-A-0 199 953, EP-A-0 211 511, 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 fair number of the solutions described in the documents cited relates primarily to the preparation of liquid products constituted by beverages such as coffee, tea, chocolate, broth, soups, or various infusions .
- the document No. EP-A-0 507 905 describes a cartridge that is to be perforated by filtering tips as a result of the pressure of the liquid and/or vapour introduced into the cartridge.
- a solution of this type can be used, for example, for providing cartridges or capsules of a perforable type, in which:
- the top sealing foil of the cartridge (where hot water and/or vapour enter) is perforated mechanically by the delivery assembly via a first set of perforating tips;
- the bottom of the cartridge itself undergoes deformation as a result of the pressure of the liquid/vapour introduced into the cartridge so that it can be perforated by a second set of hollow tips (roughly resembling hypodermic needles) that have filtering characteristics.
- Solutions of this sort are particularly suitable for dispensing beverages such as espresso coffee.
- the perforation of the bottom as a result of the pressure can in fact concur in determining the correct rate of flow of hot water under pressure (typically in the range of 3-9 bar according to the products) .
- the side wall and the bottom wall of the cartridge are made of plastic material, such as for example polypropylene co-extruded in lamination with ethylene vinyl alcohol (EVOH) , shaped by thermoforming .
- plastic material such as for example polypropylene co-extruded in lamination with ethylene vinyl alcohol (EVOH) , shaped by thermoforming .
- EVOH ethylene vinyl alcohol
- a composite material of this nature cannot, however, be classified as compostable 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 found as compared to a control compost.
- Other chemico-physical parameters that must not change after degradation of the material being studied: pH; saline content; volatile solids; N; P; Mg; K.
- 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 packaging and packaging waste .
- compostability is a requirement that is deemed increasingly important by consumers of the cartridges considered herein.
- a compostable material i.e., according to a term sometimes used in the sector, a "biomaterial " )
- a compostable material such as for example: polymers extracted from biomass (e.g., polysaccharides such as starch - Mater-Bi® - cellulose, lipids, proteins) ; synthetic polymers (e.g., polylactic acid - PLA - derived from the fermentation of starch) ; polymers produced by micro-organisms or genetically modified bacteria (e.g., polyhydroxyalckanoates - PHAs) ; and polymers from fossil monomers (e.g., polybutylsuccinate - PBS) .
- biomass e.g., polysaccharides such as starch - Mater-Bi® - cellulose, lipids, proteins
- synthetic polymers e.g., polylactic acid - PLA - derived from the fermentation of starch
- polymers produced by micro-organisms or genetically modified bacteria
- biomaterials in combination with coffee machines provided with perforating tips, can present a high elongation at yield, such as to render the operations of perforation far from effective, for example in so far as the material assumes the form of a stocking around the perforating tips instead of tearing, giving rise to possible drawbacks in delivery.
- WO 2010/106516 Al describes a type of cartridge such as to combine a filter paper and a biopolymer, the filter paper being positioned on the side of the outlet for the beverage (coffee) .
- This type of cartridge may prove unusable in coffee machines provided with perforating tips.
- the bottom which is pre-perforated (hence already pervious), has a plane shape that may prove unsuitable for use together with particular types of filtering tips, which may alternatively:
- WO 2012/077066 Al describes a cartridge in which perforation is facilitated by the combination of a biodegradable/compostable polymer with material such as paper: it has on the other hand been noted that, in particular conditions of use, the paper contained in the cartridge may be soaked with water/beverage, thus undergoing softening such as to render problematical its expulsion from the machine in which it is used.
- WO 2010/137952 Al For completeness of exposition reference may again be made to WO 2010/137952 Al, where a cartridge or capsule is described configured for functioning in a machine (originally designed to function with a cartridge of a different type) provided with tips that are to tear the cartridge upon mechanical closing of the assembly to enable inlet of the water into the cartridge through the tears made.
- the cartridge according to the solution described in WO 2010/137952 Al (which moreover does not mention the possible use of biomaterials ) is configured so as not to interact with the perforating tips of the machine in so far as the tips in question do not touch the bottom of the cartridge itself.
- the object of various embodiments of the present invention is to overcome at least some of the limitations referred to above.
- This may apply, for example, to the limitations regarding the range of beverages originally obtainable from a cartridge used in a machine characterized by having a system of perforation of the bottom as a result of the internal pressure and/or to the improvement of end-of-life of the cartridges following upon the extraction process.
- Various embodiments may also regard a process for producing such a cartridge.
- Various embodiments enable provision of a biodegradable/compostable cartridge that is able to function in machines already present on the market that are provided with perforating (and possibly filtering) tips, enabling the tips to interact with the bottom of the cartridge, without, however, perforating it, but performing, instead, an action of support of the bottom of the cartridge (e.g., via a mechanical fit, such as a male/female fit in purposely provided containing saddle-shaped portions) .
- the bottom of the cartridge enables proper execution of delivery of espresso coffee under pressure (3 - 9 bar according to the type of product) without the casing of the cartridge undergoing damage, thus preventing any undesirable release of ground coffee that may be entrained by the beverage into the container (cup) for its consumption with consequent negative perception on the part of the consumer.
- the cartridge may be suited to the preparation of filter coffee.
- This particular configuration of liquid product is characterized by the practically total absence of the creamy film on the surface of the beverage contained in cup.
- a product of this kind can be obtained traditionally via extraction by mere percolation, i.e., traversal of the bed of ground coffee by gravity and hence at ambient pressure.
- the adoption of a system in which the cartridge is perforated as a result of the pressure may consequently prove incompatible with the preparation of the above beverage. Since various embodiments are not based upon this principle, they can offer a greater flexibility and a product range that is as a whole wider given the same coffee machine that the consumer already has at his disposal.
- FIG. 1 is a general perspective view of a cartridge according to embodiments
- FIG. 2 illustrates the cartridge of Figure 1 with a sealing foil removed
- FIG. 3 is a perspective view from beneath of embodiments
- - Figure 5 is a perspective view from beneath of embodiments; - Figure 6 corresponds to a cross section according to the line VI-VI of Figure 5, reproduced at an enlarged scale; and
- FIG. 7 illustrates, at a further enlarged scale, the portion of Figure 6 indicated by the arrow
- the reference number 10 designates as a whole a cartridge (or capsule, said terms being used here as equivalent) for preparing a liquid product via introduction into the cartridge of liquid and/or vapour .
- the liquid product in question may be constituted by a beverage such as, for example, coffee (for instance, espresso coffee or filter coffee) obtained by introducing into the cartridge liquid and/or vapour under pressure and at high temperature.
- a beverage such as, for example, coffee (for instance, espresso coffee or filter coffee) obtained by introducing into the cartridge liquid and/or vapour under pressure and at high temperature.
- the cartridge 10 can contain a dose 12 of a substance that is to form the liquid product via the aforesaid liquid and/or vapour.
- the dose of substance 12 is represented schematically with a dashed line only in Figure 2.
- the dose 12 may be constituted by ground coffee, or by another precursor of a liquid product, such as for example a beverage like tea, powdered or granulated chocolate, products for the preparation of broths, soups, drinks, and infusions of various nature: this list is to be understood as provided purely by way of non-limiting example .
- the structure of the cartridge 10 which may be shaped like a tray or small cup within which the dose 12 is located, it is possible to distinguish:
- casing 14 comprising a side wall or sleeve 140 and a bottom wall 142 that closes the casing 14 at one end of the mantle wall 140;
- sealing foil 16 (removed in Figure 2), for example of a peelable type, which closes the cartridge 10 at the end opposite to the bottom wall 142.
- the sealing foil 16 is suited to being connected in a fluid-tight way, for example by heat sealing, to the side wall 140 of the casing 14 of the cartridge, for example around a flange 144 that surrounds the mouth part of the casing 14.
- the casing 14 may present a tray-like shape diverging from the bottom wall 142 towards the end closed by the sealing foil 16.
- the diverging conformation may be frustoconical . This conformation is not on the other hand imperative in so far as the cartridge 14 may present as a whole different shapes, for example prismatic, frustopyramidal , square, etc.
- bottom 142 may present a sculptured structure, i.e., with parts in relief and parts set in.
- the above sculptured structure means that, viewed from outside the cartridge (i.e., according to the point of observation of Figures 3 and 5), the bottom wall 142 may present:
- central portion 1420 that may be either set in, i.e., recessed (see Figures 3 and 4) or protruding, i.e., in relief (see Figures 5 and 6) ;
- first annular groove 1422 i.e., a first set- in annular portion that surrounds the central portion
- annular groove 1424 that surrounds the first annular groove 1422 and is separated from the latter by a first annular rib 1423; and - a second annular groove 1426 (i.e., a second annular set-in portion) that surrounds the intermediate portion 1424 and is separated from the latter by a second annular rib 1425.
- the bottom part 142 may present openings 1428 for enabling exit of the liquid product (e.g., a beverage, such as coffee) formed in the cartridge 10.
- the liquid product e.g., a beverage, such as coffee
- the openings 1428 for exit of the liquid product from the cartridge 10 may be localized in at least one from among:
- the openings 1428 for exit of the liquid product from the cartridge 10 are located in the (or also in the) ribs that separate the aforesaid portions/cavities .
- At least one between (and preferably both, as illustrated in the figures) the central portion 1420 and the intermediate portion 1424 are provided with openings 1428 for outflow of the liquid product prepared in the cartridge 10.
- the aforesaid annular portions 1422, 1424 and 1426, as well as the ribs 1423, 1425, which extend so as to separate the annular portions may have a circular shape; this shape is not on the other hand imperative and may be modified according to the overall shape of the cartridge 10.
- a further rib designated by 1430, which can extend between the central portion 1420 and the first groove 1422, whether the central portion 1420 be set in (i.e., recessed, as shown in Figures 3 and 4) or project (i.e., be in relief, as shown in Figures 5 and 6) , the terms “recessed” and “in relief” always referring to the bottom wall 142 as viewed from outside the cartridge 10.
- the bottom wall 142 can present, as viewed from inside the cartridge 10, an overall planar surface (more readily appreciable in the cross-sectional view of Figure 4) at least in the area of the aforesaid central portion 1420 and of the various set-in parts 1422, 1424 and 1426.
- a foil e.g., a disk
- filtering material 18 such as for example filter paper
- the holes 1428 can be obtained in the form of pervious through holes; preservation of the aroma and, in general, of the organoleptic qualities of the substance of the dose 12 prior to use can thus be obtained by inserting the cartridge 10 in a sealed sachet (for example, of the flow-pack type) that can be opened by the user to take out the cartridge 10 for use.
- a sealed sachet for example, of the flow-pack type
- the central portion 1420 may project (once again viewing the bottom wall 142 from outside the cartridge 10) .
- the filter element 18 can in this case comprise:
- the filtering foil 18 or 18a, 18b can be applied on the inside of the bottom wall 142 of the cartridge 10.
- Both of the embodiments exemplified in Figures 3, 4 and 5, 6 may on the other hand envisage the presence, along the contour of the bottom wall 142, of a projecting peripheral rib 1432 that can form, within the cartridge 10, a further annular chamber for receiving the substance of the dose 12.
- annular chamber 1432 for receiving the substance of the dose 12.
- channels 1434 may be provided that extend in an approximately axial/radial direction with respect to the development of the cartridge 10 in order to favour flow of the liquid for preparation of the beverage.
- the annular cavities e.g., 1422 and 1426
- the annular cavities can receive the tips P present in certain machines for preparing beverages in order to perforate the bottom wall of the cartridges and cause exit of the liquid product being prepared.
- cavities such as the cavities 1422 and 1426 can form annular seats which are able to set themselves, so to speak, "straddling" the vertex parts of the tips P.
- the tips P do not perforate the bottom wall 142 and form, instead, therewith a sort of fit, if need be, an interference fit, such as to cause the tips P to function as supporting formations that are able to support the bottom wall 142 of the cartridge 10 by countering onset of certain negative phenomena possibly linked to the choice of making the casing 14 of the cartridge 10 with a biomaterial such as the ones mentioned in the introductory part of the present description .
- sealing foil 16 may be produced using such a material, giving rise to a cartridge 10 completely made of compostable material.
- holes such as the holes 1428 could be provided also in an area corresponding to the cavities 1422 and 1426.
- the outflow of the liquid product starting from these possible holes would not in fact be hindered by the tips P, which support the bottom wall 142 without perforating it.
- the choice of compostable materials that can be used for producing the bottom wall 142 can extend to:
- PLA polylactic acid
- Various embodiments can take into account aspects linked to the compostability of the above materials, for example as regards the maximum thickness of the parts making up the cartridge 10, for example the bottom wall 142.
- the height of the peripheral rib 1432 referred to the common plane of mouth of the cavities 1422, 1424 and 1426 may have a value (for example, in the region of 2.5 mm) not less than twice the depth of the cavities (which may be in the region of 1 mm) .
- the width of cavities such as the cavities 1422 and 1426 may be comprised between 0.5 and 1.2 mm, i.e., with an aspect ratio of the cross sections of the cavities 1422 and 1426 of between approximately 1 : 1 and 2:1.
- a casing of a cartridge 10 having the characteristics of the casing 14 exemplified in the figures may be obtained, in various embodiments, with a moulding process divided into two substeps:
- a cartridge casing 10 having the characteristics of the casing 14 exemplified in the figures may be obtained with a process of injection moulding, which is also divided into two substeps :
- the casing 14 of a cartridge 10 as exemplified herein may be produced via a process of injection-compression and/or forging comprising the following steps:
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380067088.2A CN104854001B (en) | 2012-12-21 | 2013-12-05 | Container and method for producing the container for preparing fluid product |
RU2015126287A RU2621958C2 (en) | 2012-12-21 | 2013-12-05 | Cartridge for liquid product preparation and method of its manufacturing |
EP13818441.1A EP2935045B1 (en) | 2012-12-21 | 2013-12-05 | Cartridge for preparing a liquid product, and process for production thereof |
CA2892438A CA2892438C (en) | 2012-12-21 | 2013-12-05 | Cartridge for preparing a liquid product, and process for production thereof |
AU2013365906A AU2013365906B2 (en) | 2012-12-21 | 2013-12-05 | Cartridge for preparing a liquid product, and process for production thereof |
US14/654,769 US20150336736A1 (en) | 2012-12-21 | 2013-12-05 | Cartridge for preparing a liquid product, and process for production thereof |
IL239083A IL239083B (en) | 2012-12-21 | 2015-05-28 | Cartridge for preparing a liquid product and process for production thereof |
HK15111457.6A HK1210751A1 (en) | 2012-12-21 | 2015-11-20 | Cartridge for preparing a liquid product, and process for production thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT001125A ITTO20121125A1 (en) | 2012-12-21 | 2012-12-21 | CARTRIDGE FOR THE PREPARATION OF A LIQUID PRODUCT AND PROCEDURE FOR REALIZING IT |
ITTO2012A001125 | 2012-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014097039A1 true WO2014097039A1 (en) | 2014-06-26 |
Family
ID=47683965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2013/060665 WO2014097039A1 (en) | 2012-12-21 | 2013-12-05 | Cartridge for preparing a liquid product, and process for production thereof |
Country Status (10)
Country | Link |
---|---|
US (1) | US20150336736A1 (en) |
EP (1) | EP2935045B1 (en) |
CN (1) | CN104854001B (en) |
AU (1) | AU2013365906B2 (en) |
CA (1) | CA2892438C (en) |
HK (1) | HK1210751A1 (en) |
IL (1) | IL239083B (en) |
IT (1) | ITTO20121125A1 (en) |
RU (1) | RU2621958C2 (en) |
WO (1) | WO2014097039A1 (en) |
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WO2016139554A1 (en) * | 2015-03-02 | 2016-09-09 | Luigi Lavazza S.P.A. | Cartridge for the preparation of liquid products |
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ITUB20156879A1 (en) * | 2015-12-07 | 2017-06-07 | Lavazza Luigi Spa | CARTRIDGE FOR THE PREPARATION OF A LIQUID PRODUCT AND ITS ASSORTMENT |
ITUB20156802A1 (en) * | 2015-12-07 | 2017-06-07 | Lavazza Luigi Spa | CARTRIDGE FOR THE PREPARATION OF A LIQUID PRODUCT AND ITS ASSORTMENT |
WO2019106485A1 (en) * | 2017-11-29 | 2019-06-06 | Goglio S.P.A. | A capsule for soluble or extractable products |
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WO2015177769A1 (en) * | 2014-05-22 | 2015-11-26 | Coffee One Coffee System Pte. Ltd. | Capsule for containing beverages in powder form, such as coffee and the like |
EP3009378B1 (en) | 2014-10-13 | 2017-03-08 | Alice Allison SA | Coffee capsule |
EP3045406A1 (en) * | 2015-01-14 | 2016-07-20 | Gian Luca Ruffa | Method and apparatus for the construction of containers of precursors of liquid food products, and corresponding containers |
CN107406180A (en) * | 2015-03-02 | 2017-11-28 | 路易吉·拉瓦扎股份公司 | For preparing the cylinder of fluid product |
WO2016139554A1 (en) * | 2015-03-02 | 2016-09-09 | Luigi Lavazza S.P.A. | Cartridge for the preparation of liquid products |
WO2016139553A1 (en) * | 2015-03-02 | 2016-09-09 | Luigi Lavazza S.P.A. | Cartridge for the preparation of liquid products |
ITUB20154972A1 (en) * | 2015-10-19 | 2017-04-19 | Aroma System Srl | CAPSUEL TO PRODUCE DRINKS AND A CAPSULE PRODUCTION METHOD TO PRODUCE DRINKS |
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ITUB20156802A1 (en) * | 2015-12-07 | 2017-06-07 | Lavazza Luigi Spa | CARTRIDGE FOR THE PREPARATION OF A LIQUID PRODUCT AND ITS ASSORTMENT |
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CN108290683B (en) * | 2015-12-07 | 2020-01-03 | 路易吉·拉瓦扎股份公司 | Container for preparing a liquid product and corresponding kit |
CN108290682B (en) * | 2015-12-07 | 2019-12-10 | 路易吉·拉瓦扎股份公司 | Container for preparing a liquid product and corresponding kit |
AU2016366714B2 (en) * | 2015-12-07 | 2021-07-01 | Luigi Lavazza S.P.A. | Cartridge for the preparation of a liquid product, and corresponding assortment |
WO2019106485A1 (en) * | 2017-11-29 | 2019-06-06 | Goglio S.P.A. | A capsule for soluble or extractable products |
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EP3825250A1 (en) * | 2019-11-19 | 2021-05-26 | BIBETECH S.p.A. | Method for continously manufacturing articles made of food-grade compostable compound |
Also Published As
Publication number | Publication date |
---|---|
IL239083A0 (en) | 2015-07-30 |
AU2013365906B2 (en) | 2016-11-24 |
CN104854001B (en) | 2017-06-27 |
AU2013365906A1 (en) | 2015-06-11 |
IL239083B (en) | 2018-05-31 |
US20150336736A1 (en) | 2015-11-26 |
CA2892438C (en) | 2018-04-24 |
RU2015126287A (en) | 2017-01-27 |
ITTO20121125A1 (en) | 2014-06-22 |
HK1210751A1 (en) | 2016-05-06 |
EP2935045B1 (en) | 2018-11-21 |
CA2892438A1 (en) | 2014-06-26 |
CN104854001A (en) | 2015-08-19 |
EP2935045A1 (en) | 2015-10-28 |
RU2621958C2 (en) | 2017-06-08 |
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