EP2886490B1 - Capsule pour boisson et système doté d'une paroi - Google Patents

Capsule pour boisson et système doté d'une paroi Download PDF

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Publication number
EP2886490B1
EP2886490B1 EP13198165.6A EP13198165A EP2886490B1 EP 2886490 B1 EP2886490 B1 EP 2886490B1 EP 13198165 A EP13198165 A EP 13198165A EP 2886490 B1 EP2886490 B1 EP 2886490B1
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EP
European Patent Office
Prior art keywords
capsule
wall
inlet wall
lines
piercing
Prior art date
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EP13198165.6A
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German (de)
English (en)
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EP2886490A1 (fr
Inventor
Luca Doglioni Majer
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Tuttoespresso SRL
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Tuttoespresso SRL
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Priority to EP13198165.6A priority Critical patent/EP2886490B1/fr
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    • 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
    • B65D85/8049—Details of the inlet
    • 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
    • B65D85/8052—Details of the outlet

Definitions

  • the present invention relates to a capsule for preparing a coffee or similar beverage on-demand, having an improved wall.
  • the invention relates to a capsule for brewing a beverage from a metered amount of one or more products contained inside the capsule by a diluent or preparation liquid injected into the capsule to extract the product contained therein.
  • the invention also relates to a system and an apparatus for beverage preparation comprising a capsule according to the invention and a brewing device (beverage preparation device) for injecting the preparation or brewing liquid into the capsule.
  • Beverage capsules comprising a hollow container portion that houses a predetermined amount of at least one extractable or reconstitutable product, generally ground coffee, but also other foodstuffs such as tea, herbal remedies, instant i.e. powdered drinks and liquid concentrates, are known in the art.
  • the capsules also comprise a portion that interacts with a beverage preparation device to prepare the required beverage.
  • the typical brewing device comprises water heating means, an enclosing member, or receptacle, intended to cooperate with the capsule to define a preparation chamber and a pump or similar means so that the preparation or brewing liquid, usually but not exclusively hot water under pressure, can be supplied to the capsule for the extraction or reconstitution of the beverage from the dose of product contained therein.
  • a capsule is fed into the receptacle of the brewing device and is fed with the preparation or brewing liquid, such as hot water.
  • the injected hot water passes through the capsule dissolving the soluble solids contained in the foodstuff or solubilising the powder contained in the capsule or otherwise diluting the liquid concentrate contained therein.
  • the injection of the brewing liquid inside the capsule allows for the constitution of the beverage from the ingredient enclosed therein.
  • the beverage then exits the capsule to reach a beverage collector or an outlet spout and thence a cup or a container.
  • the brewing device is provided with piercing, or opening, means, usually in the form of one or more protruding parts intended to contact and to perforate the inlet wall and/or the outlet wall of the capsule. Apertures, or holes, formed by the piercing means allow the passage of the brewing liquid inside the capsule from the inlet wall and/or the extraction of the prepared beverage form the outlet wall. Feeding of brewing hot water by piercing the inlet wall of the capsule is a method well known in the art and is disclosed in several prior art documents.
  • plastic capsules A problem with known plastic capsules is that piercing plastic capsules is more difficult than piercing aluminium capsules.
  • plastic capsules have been provided with internal reinforcing members to make more rigid the inlet wall that has to be pierced;
  • another solution is to provide the inlet wall or both inlet and outlet walls with recesses arranged directed radial with respect to the axis of the capsule, as in EP2651780 or in PCT/IB2011/003021 .
  • Another solution known e.g. from WO2010/041179 , WO2010038213 and ITT020120899, is to have areas of the inlet wall that are defined by lines with reduced thickness of the wall, so as to provide rupture lines that will break when the wall is contacted and compressed by the piercing means of the brewing apparatus.
  • a further problem of the known capsules is that in some cases, due to poor engineering or to the aim of making some brewing devices not suitable to extract capsules produced by competitors, the perforation of the capsule cannot be achieved with different brewing devices.
  • brewing apparatuses of different models may all be suitable to perforate the same type of aluminium capsule but not all of those apparatuses will be able to pierce plastic capsules produced by competitors; usually this derives from the fact that the brewing devices of different models are provided with piercing means shaped in different manner. It was recently found that in fact the same model of known brewing apparatus might be provided with different piercing means, so that it is no longer possible to know if said model is suitable to be used with the competitor's plastic capsules.
  • EP 2 570 369 A1 discloses a capsule for the preparation of a beverage comprising different moving mechanics when under pressure.
  • Another aim of the present invention is to provide a capsule that can be effectively used in different types of beverage preparation device, provided with different piercing means, and to provide independently from the beverage preparation device used, and in particular independently from the shape of the piercing means, an effective opening of the inlet wall of the capsule to allow the injection of the brewing water and the extraction of the prepared beverage.
  • capsule of the present invention that is a capsule for the preparation of a beverage from a dose of a product, according to claim 1.
  • Another object of the in invention is a system for beverage preparation, according to claim 8.
  • Preferred embodiments are objects of the dependent claims.
  • the capsule for the preparation of a beverage comprises a lateral wall, a water inlet wall and an outlet wall, forming a hollow body where a brewing product is contained.
  • the inlet wall comprises a so-called piercing area, that is, an area where the piercing blades will act, to contact and/or compress and/or perforate the inlet wall so as to provide at least one opening in the said wall.
  • the capsule according to the invention allows an effective beverage preparation independently from the beverage preparation device inside which the capsule is used, and in particular independently from the shape of the piercing means of the beverage preparation device.
  • the contacting means of the beverage preparation device can be the piercing means of the beverage preparation device, however the piercing means of the brewing apparatus may also be blunt, or in part made of a blunt portion; thanks to the weakened lines, i.e. the lines of reduced thickness, the capsule could be opened by simply contacting said walls and exerting thereon a pressure or a force.
  • Another advantage is that the brewing apparatus of the system can be provided with blunt piercing means, so as to avoid danger of cutting the user's fingers when he is servicing the brewing apparatus.
  • a brewing apparatus provided with blunt piercing elements is therefore another object of the invention.
  • Figures 1 - 4 show exemplary embodiments of the capsule 1 according to the invention that can be used in combination with a brewing device in the system according to the invention.
  • a beverage such as coffee, tea, hot and cold drinks, or any other liquid foodstuff
  • a brewing product for example an extractable, or soluble, or dilutable product, either liquid or solid, contained inside the capsule.
  • the dose of brewing product comprise a powder product, such as coffee powder, which is brewed by means of brewing liquid, preferably hot water under pressure, that is injected into the capsule for obtaining the desired beverage.
  • the capsule 1 comprises a lateral wall 2, an inlet wall 3 and an outlet wall 4, said walls defining a hollow body 5 where the dose of product (not shown in the figures) is located.
  • the inlet wall 3 is the inlet surface of the capsule and is intended to allow the passage of the brewing liquid into the capsule.
  • outlet wall 4 allows the exit of the prepared beverage from the capsule, for example into a container; in the shown embodiment ( fig. 3 ) outlet wall 4 is partially represented by a foil sealed to flange 10; the wall 4 is made of a membrane, or foil, typically of a laminate of aluminium and plastic, or by a lid in plastic material, preferably with self-piercing openings.
  • Exemplary embodiments of an outlet wall are e.g. disclosed by applications PCT/EP2013/063873 , PCT/EP2013/063858 , PCT/EP2013/063848 . Outlet walls are well known in the art, e.g.
  • the outlet wall can be an open filter, provided with a plurality of apertures intended to allow the flow of the brewing liquid from the capsule, or it can be a closed outlet wall that is intended to be perforated by suitable contacting means present in the brewing apparatus into which the capsule is used, or by the combination of the action of said contacting means with the hydraulic pressure built inside the capsule.
  • the capsule 1 has a substantially cup-shape, or frustum-conical shape, with a central axis A-A (vertical axis); in other words, in the exemplary embodiment shown in the figures, the lateral wall 2 is not parallel to the central axis A-A and the hollow body 5 is closed by the outlet wall 4 at one end and by the inlet wall 3 at the opposite end of lateral wall 2 with respect to outlet wall 4.
  • the expression "central axis A-A of the capsule” is used herein to indicate a longitudinal axis of the capsule passing through the centre of inlet wall 3 and of outlet wall 4 of the capsule.
  • the water inlet wall 3 can be at least partially flat and/or convex, elliptical and/or tapered, in other words, the inlet wall 3 can be shaped in different manners, including being shaped according to an ellipse, at least from the centre to the piercing area of the inlet wall.
  • Inlet wall 3 may have a constant thickness apart for rupture (weakened) line or lines, that have a reduced thickness; reinforcing elements such as ribs may be present on part of the inlet wall and/or on the lateral wall.
  • inlet wall 3 of the capsule extends towards the peripheral end 2a of the lateral wall 2.
  • the inclination of the inlet wall 3 at the peripheral edge 2a of the lateral wall 2 can change according to different possible embodiments, and preferably the angle ⁇ (see figure 2 ) formed (inside the capsule) between the inlet wall 3 and the lateral wall 2 at the peripheral end 2a is equal or greater than 90°.
  • the capsule is provided with a substantially convex inlet wall 3, and the angle ⁇ formed between the lateral wall 2 and the inlet wall 3 is greater than 90°.
  • a preferred range for angle ⁇ is 100° to 130°.
  • the water inlet wall 3 of the capsule is substantially dome-shaped; this shape of the inlet wall 3 can be obtained, according to different possible embodiments, by means of a curved surface or by means of two or more flat surfaces arranged inclined one to another in order to provide a substantially dome shape.
  • the curve of the dome is elliptical.
  • the inlet wall is formed by a curved line, having substantially a circular or elliptic shape, or by two or more straight lines inclined one to another.
  • the straight lines can be for example arranged to be tangent to a circular or elliptic line.
  • the water inlet wall can be formed by one flat surface or by a surface arranged inclined with respect to the central axis, i.e. to form a conical inlet wall. Furthermore, it has to be noted that the inlet wall can be formed by a combination of curved and flat surfaces.
  • inlet wall 3 comprises at least one piercing area P, where the capsule is going to be perforated when it is used in a brewing apparatus, that is provided with a plurality of lines 7 having reduced thickness with respect to the thickness of the inlet wall.
  • Lines 7 form a pattern including a plurality of angles; the pattern is in the shape of a broken line alternating reduced thickness lines 7, i.e. weakened lines, and areas of the inlet wall 3 where the thickness is not reduced.
  • the weakened lines are closed lines that define a portion of the inlet wall that is contained within a perimeter formed by the weakened lines. This portion has hinges so that it can be pushed and folded into the capsule body.
  • lines 7 of the pattern of the present invention are not closed lines but open lines, that form a broken line, where the pattern provides portions of reduced thickness alternated with portions of intact inlet wall, i.e. portions where the thickness of the wall is not reduced.
  • the broken line pattern of the invention is thus a discontinuous line or a series of line segments, as a series of dashes, or a figure, made up of line segments defining a series of angles ⁇ ; the angles are defined by the lines that may or may not meet together, if the lines do not meet together, the angles are defined by the direction of the lines 7.
  • the lines 7 (or their direction) form angles ⁇ preferably in the range of 110° to 25°, preferably 30° to 95°, most preferably acute angles ⁇ in the range of 40° to 80°.
  • the lines are V-shaped and form a pattern of "Vs"; preferably, the Vs formed by the line segments have vertexes directed to the lateral wall or to the centre of the capsule, or alternately directed to the centre and lateral wall.
  • the vertexes 6 may have a rounded shape, e.g. for easier moulding of the line 7.
  • the piercing area P extends circumferentially around axis A-A of the capsule; in the shown exemplary embodiments, area P is located between and partially overlapped with two reinforcing areas, a central reinforced area 8 and a peripheral reinforced area 9.
  • Areas 8 and 9 include means to increase the rigidity of the inlet wall 3 and of the lateral wall 2, thus allowing an easier perforation of the inlet wall when the capsule is in use.
  • the reduced thickness line 7 is preferably obtained by having the reduction of thickness of the wall located on the inner side of wall 3, as visible in figures 2-4 ; in fig. 1 the groove resulting from the reduced thickness of the wall is located on the outer side of the wall 3 and combinations of the two arrangements are possible, i.e. the reduced thickness is partly provided on the inner and part on the outer side of inlet wall 3.
  • the ratio of thickness of line 7 : thickness of inlet wall 3 is in the range of 1:2 to 1:30, preferably 1:5 to 1:30.
  • the capsule 1 comprises at least one rib 11 in central reinforcing area 8 and/or at least one recess portion 12 extending on the inlet wall 3 and/or on the lateral wall 2 of the capsule to provide peripheral reinforced area 9.
  • the broken line 20 of the invention may be provided on any known capsule, with or without reinforcing ribs and with reinforcing ribs of any type.
  • the capsule according to the exemplary embodiments shown in figures 1 - 7 is provided with reinforcing means comprising at least one, preferably a plurality of recess portions 12 extending on both the inlet wall 3 and on the lateral wall 2 and connecting together areas of said walls.
  • the capsule is provided with at least one recess portion 12 (preferably a plurality of recess portions) forming a corrugation in correspondence of the peripheral end 2a of the lateral wall 2, i.e. the junction area between walls 2 and 3.
  • the at least one recess portion 12 defines a modification of the shape of both the inlet wall 3 and of the lateral wall 2 in correspondence of the peripheral edge 2a of the lateral wall 2 from which the inlet wall 3 extends.
  • Recess portion 12 comprises at least one surface connecting the lateral wall to the inlet wall of the capsule and forming an additional wall that connects lateral and inlet walls 2, 3.
  • Preferred embodiments of a capsule having recess portions are disclosed in co-pending application PCT/IB2012/002408 .
  • the at least one recess portion 12 comprises at least one surface, preferably the bottom surface of the recess portion, that lies on a plane or that contains at least one axis B maintaining a constant angle of inclination with respect to the central axis A of the capsule or with respect to a vertical axis parallel to the central axis.
  • the recess portion 12 can be seen as the "removal" of a portion of volume of the capsule from the junction (peripheral edge 2a) between inlet wall 3 and lateral wall 2; thus, the walls are modified and they "sink” below their original level to rise again to the original level and shape.
  • Exemplary shapes of the removed volume are prisms or portions of prisms, preferably a prism selected from triangular, parallelepiped, cylinder and hexagonal base prisms or prisms having a base formed by a regular or irregular polygon.
  • the number of the recess portion can be varied according to different possible embodiments; additionally, according to other possible embodiment, not shown in the figures, the recessed portions 12 are produced only on the inlet wall 3 of the capsule and are completely contained within the inlet wall 3, instead of extending on both the inlet wall 3 and the lateral wall 2.
  • the capsule 1 can be provided with a plurality of ribs 11 protruding from the internal, or external, surface of the inlet wall 3.
  • the ribs 11 are preferably arranged in a radial manner from the internal central surface of the inlet wall 3, substantially from the central axis X.
  • the capsule is provided with vertical lugs 13 protruding from the internal surface of the lateral wall 2 and intended also to prevent the capsules from stacking during the production process. Thickness, shape and radius of such lugs will vary depending on the chosen manufacturing methods, to be selected amongst the ones mentioned earlier, as it can easily inferred by the skilled in the art.
  • Vertical lugs can extend on both the inlet and lateral walls 3 and 2, or they can be provided only on the lateral wall 2 of the capsule.
  • An annular rib provided on the inlet wall may be another embodiment.
  • the piercing area P of inlet wall 3 is provided with a plurality of weakened lines 7, i.e. lines where wall 3 has reduced thickness, that are suitable to be broken by a pressure applied on the piercing area so as to provide an opening in said wall 3.
  • Said line or lines 7 are characterized by being so arranged as to form a pattern that includes a plurality of angles ⁇ having vertexes 6 that are preferably located along a circular path with respect to the axis (A-A) of the capsule 1.
  • angles are oriented towards the periphery end 2a and/or towards the centre i.e. axis (A-A) of the capsule; most preferably lines 7 extend circumferentially in piercing area P, vertexes 6 of angles ⁇ are alternatively directed to the periphery 2a and to the axis A-A of the capsule.
  • weakened lines 7 are positioned between, preferably partially overlapped to, said reinforced areas 8 and 9 of the inlet wall 3 to provide an easier piercing of the same, even by a blunt piercing means.
  • weakened lines 7 form a pattern that is a discontinuous line 20 in the form of a zig-zag.
  • line 20 is provided with a plurality of parts 16 where the thickness of the wall is the same as the rest of inlet wall 3.
  • all parts 16 are arranged at the same distance (i.e. radius) R from the centre; in this exemplary embodiment, R is the distance from axis A-A, i.e. the radius, of the point where piercing means 14 of the brewing apparatus will impinge on the inlet wall 3 of capsule 1 during the piercing step when preparing a beverage from the capsule.
  • the piercing means 14b does not contact wall 3 in correspondence of an area of reduced thickness, i.e. of one of lines 7.
  • line 20 has a pattern of lines 7 that is periodical and that cannot be divided by the number of the blades of the brewing device; in the figures, the pattern of lines 7 is eleven "Vs" and eleven recesses vs. three blades or piercing elements 14.
  • piercing means 14 of brewing apparatus 15 are schematically shown; they comprise a blade 14b and an additional portion 14a extending laterally from said blade 14b, forming an angle; in the shown embodiment, portion 14a may be blunt and is roughly arranged in a radial direction to axis A-A.
  • weakened lines 7 extend in part also to the areas of the inlet wall 3 that are going to be contacted by additional portion 14a of the contacting means 14; in the shown exemplary embodiments the said portions are formed by vertexes 6 that are located between recessed portions 12.
  • Fig. 5 shows an embodiment not being part of the invention in which the broken line 20 contains a plurality of lines 7 forming a plurality of Vs defining angles ⁇ ; the Vs are arranged to have their vertexes directed to the lateral wall and the plurality of discontinuity areas 16 (with thickness not reduced) located at the ends of lines 7, close to the centre of the inlet wall.
  • the broken line 20 is thus a discontinuous line made of V-shaped lines, wherein the vertexes 6 of the Vs are aligned along a circumference and the opposite ends of the Vs are aligned along a circumference that is internal to the circumference defined by the vertexes.
  • ribs 11 extend from the centre, i.e. from the axis, of the capsule into the area of the inlet wall where the broken line 20 is located; as visible from the figures, in particular from figures 5 and 7 , end 11a of rib 11 is located between the two legs 7a and 7b of line 7 that shaped as a V.
  • lines 7 extend towards edge 2a so that vertexes 6 are positioned on the inlet wall 3, between two adjacent recesses, or indents, 12.
  • the vertexes 6 are located closer to the centre than the ends of legs 7a and 7b and the end portion 18 of the recesses 12 is located between said ends of legs 7a and 7b.
  • the capsule of the invention is suitable to be opened by all the brewing devices that are designed to operate with capsules having an overall shape as above disclosed, i.e. a truncated-conical body, an inlet wall, an outlet wall and a flange 10 extending from the outlet wall.
  • "L"-shaped lines with reference 14 in fig. 5 shows the position of piercing blades 14 (see fig.2 ) with respect to lines 7 of broken line 20, as seen from inside the capsule.
  • weakened lines 17 with reduced thickness located at least at the inner edges 18 of recesses 12; weakened lines 17 preferably extend radially towards axis (A-A) of the capsule, as visible in the figures, but they can also be arranged according to different patterns, provided they can be broken under a direct or indirect action of the piercing blade 14, namely by the additional portion 14a of the piercing means 14.
  • Another embodiment provides for lines 17' being located between two adjacent recesses 12, on the inlet wall 3, towards edge 2a. Lines 17' may extend to the lateral wall 2 to help inlet wall bending.
  • the invention also provides a system for preparing a beverage, that includes a capsule 1 comprising a lateral wall 2, a water inlet wall 3 and an outlet wall 4 forming a hollow body 5 where a brewing product is contained.
  • the inlet wall 3 comprises at least one piercing area P where the capsule is going to be provided with at least one opening by piercing means of a brewing apparatus, said piercing area of the inlet wall being provided with a plurality of lines 7 of reduced thickness that are suitable to be broken by a pressure applied on the piercing area.
  • the system also comprises a brewing apparatus 15 ( fig.2 ) having piercing means 14 intended to exert a force or a pressure on the piercing area P of inlet wall 3 to provide at least one opening in said wall.
  • a brewing apparatus 15 fig.2
  • piercing means 14 intended to exert a force or a pressure on the piercing area P of inlet wall 3 to provide at least one opening in said wall.
  • at least part of the piercing means 14 may be blunt.
  • the inlet wall of the capsule will be contacted by piercing means that will apply a compression force to the inlet wall and break it in some regions thanks to the presence of lines 7.
  • piercing means that will apply a compression force to the inlet wall and break it in some regions thanks to the presence of lines 7.
  • angles 6 of line 7 will make it easier for the piercing means to operate and to provide an opening for the brewing water to flow into the capsule; this rupture is carried out also by the "L" shaped piercing means schematically shown in fig.2 .
  • the piercing means are, as shown in fig.2 , provided with the additional, possibly blunt, portion 14a, the possible presence of additional weakened lines 17 will break under action of part 14a, so as to provide a further "seat" for said part 14a and enable the blade 14b to perforate or otherwise open the inlet wall 3.

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

Claims (10)

  1. Capsule (1) pour la préparation d'une boisson comprenant une paroi latérale (2), une paroi d'entrée d'eau (3) et une paroi de sortie (4) formant un corps creux (5) où un produit de brassage est contenu,
    ladite paroi d'entrée (3) comprenant au moins une zone de perçage (P) où la capsule sera pourvue d'au moins une ouverture, ladite zone de perçage de la paroi d'entrée étant pourvue d'une pluralité de lignes affaiblies (7) d'épaisseur réduite qui sont appropriées pour être rompues par une pression appliquée sur la zone de perçage afin de fournir une ouverture dans ladite paroi (3), dans laquelle
    ladite pluralité de lignes (7) possédant une épaisseur réduite forment un motif incluant une pluralité d'angles (a) définis par lesdites lignes affaiblies (7),
    dans laquelle le motif desdites lignes affaiblies (7) est une ligne rompue (20) s'étendant de façon circonférentielle dans ladite zone de perçage et des lignes alternées (7) possédant une épaisseur réduite avec des zones (16) possédant une épaisseur supérieure à celle dans lesdites lignes (7), lesdites zones (16) étant agencées à la même distance (R) de l'axe A-A de la capsule,
    caractérisée en ce que lesdits angles (α) sont dans la plage de 110° à 25° et lesdites lignes affaiblies (7) sont en forme de « V » et leurs sommets (6) sont dirigés de façon alternée vers la périphérie (2a) et vers l'axe central (A-A) de la capsule, l'épaisseur de la paroi desdites zones (16) est la même que le reste de paroi d'entrée (3).
  2. Capsule selon la revendication 1, dans laquelle lesdits angles α sont au sein de la plage de 30° à 95°.
  3. Capsule selon la revendication 1, dans laquelle les sommets (6) desdits angles α sont situés le long d'un trajet circulaire par rapport à l'axe central (A-A) de la capsule.
  4. Capsule selon une quelconque revendication précédente, dans laquelle ladite paroi d'entrée (3) comprend des zones renforcées internes et externes (8, 9) et des parties desdites lignes rompues (7) sont positionnées entre lesdites zones renforcées (8, 9).
  5. Capsule selon une quelconque revendication précédente, comprenant une pluralité de portions à évidement (12) s'étendant le long de l'extrémité périphérique (2a) de ladite paroi d'entrée (3), de préférence s'étendant sur ladite paroi d'entrée (3) ainsi que sur la paroi latérale (2) pour fournir l'une (9) desdites zones de renfort.
  6. Capsule selon la revendication 5, dans laquelle lesdites portions à évidement sont pourvues de secondes lignes (17) possédant une épaisseur réduite, de préférence s'étendant radialement sur ledit évidement et sur ladite paroi d'entrée, vers ledit axe central (A-A) de la capsule.
  7. Capsule selon une quelconque revendication précédente, dans laquelle ladite ligne rompue (20) s'étend à l'extérieur de ladite zone de perçage.
  8. Système pour préparer une boisson, ledit système incluant :
    - une capsule (1) comprenant une paroi latérale (2), une paroi d'entrée (3) et une paroi de sortie (4) formant un corps creux (5) où un produit de brassage est contenu, ladite paroi d'entrée (3) comprenant au moins une zone de perçage (P) où la capsule sera pourvue d'au moins une ouverture, ladite zone de perçage de la paroi d'entrée étant pourvue d'une pluralité de lignes affaiblies (7) d'épaisseur réduite qui sont appropriées pour être rompues par une pression appliquée sur la zone de perçage,
    - un appareil de brassage (15) comprenant des moyens de perçage de paroi d'entrée (14) prévus pour exercer une force ou une pression sur ladite capsule paroi d'entrée (3) pour fournir au moins une ouverture dans ladite paroi (3),
    lesdites lignes affaiblies (7) possédant une épaisseur réduite forment, dans ladite zone de perçage (P), un motif incluant une pluralité d'angles (a),
    dans lequel le motif est une ligne rompue (20) s'étendant de façon circonférentielle et des lignes (7) possédant une épaisseur réduite avec des zones (16) où l'épaisseur n'est pas réduite, lesdites zones (16) sont agencées à la même distance (R) de l'axe (A-A) de la capsule,
    caractérisé en ce que, lesdits angles (α) sont définis par lesdites lignes affaiblies (7), lesdits angles (α) sont dans la plage de 110° à 25° et lesdites lignes affaiblies (7) sont en forme de « V » et leurs sommets (6) sont dirigés de façon alternée vers la périphérie (2a) et vers l'axe central (A-A) de la capsule,
    lesdits moyens de perçage comprennent au moins une lame qui entre en contact avec ladite paroi d'entrée à une distance (R) de l'axe (A-A) de ladite capsule et dans lequel ladite paroi d'entrée (3) à ladite distance (R) n'est pas pourvue desdites lignes affaiblies (7) .
  9. Système selon la revendication 8, dans lequel lesdits moyens de perçage (14) comprennent une lame (14b) et une portion supplémentaire (14a) s'étendant latéralement à partir de ladite lame, comprenant des lignes supplémentaires (17, 17') d'épaisseur réduite s'étendant en partie dans les zones de ladite paroi d'entrée (3) avec lesquelles ladite portion supplémentaire (14a) des moyens de perçage peut entrer en contact.
  10. Système selon la revendication 9, dans lequel lesdites lignes supplémentaires affaiblies (17, 17') s'étendent radialement par rapport audit axe central (A-A) et dans lequel de préférence lesdites lignes supplémentaires affaiblies sont prévues sur lesdites portions évidées et sur les zones adjacentes de la paroi d'entrée (3).
EP13198165.6A 2013-12-18 2013-12-18 Capsule pour boisson et système doté d'une paroi Active EP2886490B1 (fr)

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Publication number Priority date Publication date Assignee Title
US11504898B2 (en) 2017-10-27 2022-11-22 Kiefel Gmbh Method of thermoforming a foil, forming tool, thermoforming tool, installation for thermoforming, container and brewing container
DE102018008119B4 (de) * 2017-10-27 2019-06-06 Kiefel Packaging B.V. Aus einer folie thermogeformter behälter, verwendung eines verfahrens zum thermoformen einer folie, verwendung eines formwerkzeugs

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Publication number Priority date Publication date Assignee Title
US6499388B2 (en) * 2000-06-14 2002-12-31 Fianara Interational B. V. Coffee machine for brewing coffee power pre-packed in a cartridge
ES2225333T3 (es) * 2001-03-23 2005-03-16 Societe Des Produits Nestle S.A. Capsula y metodo para la preparacion de una bebida caliente, y aparato adaptado para preparar una bebida a partir de una de tales capsulas.
WO2010038213A2 (fr) 2008-10-03 2010-04-08 Ethical Coffee Company Sa Capsule pour la preparation d'une boisson et dispositif
BRPI0920315A2 (pt) 2008-10-08 2019-09-24 Ethical Coffee Company Sa capsula para o preparo de uma bebida
CA2837812A1 (fr) * 2010-06-11 2011-12-15 Alain Frydman Capsule pour l'extraction d'une boisson sous pression
DK2476633T3 (da) 2010-12-17 2013-12-09 Delica Ag Kapsel, system og fremgangsmåde til tilberedning af en drik
NL2007417C2 (en) * 2011-09-14 2013-03-18 Ahold Coffee Company B V Capsule, and method of producing it.
WO2013092910A1 (fr) * 2011-12-21 2013-06-27 Delica Ag Capsule, système et procédé de préparation d'une boisson
ITBO20120141A1 (it) * 2012-03-16 2013-09-17 Aroma System Srl Capsula per ottenere bevande tipo espresso e metodo di ottenimento di bevande tipo espresso
ITTO20120899A1 (it) * 2012-10-15 2013-01-14 Bisio Progetti Spa Capsula per la preparazione di bevande ad infusione.

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