EP2947028B1 - Capsule pour préparation de boisson - Google Patents

Capsule pour préparation de boisson Download PDF

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Publication number
EP2947028B1
EP2947028B1 EP15166542.9A EP15166542A EP2947028B1 EP 2947028 B1 EP2947028 B1 EP 2947028B1 EP 15166542 A EP15166542 A EP 15166542A EP 2947028 B1 EP2947028 B1 EP 2947028B1
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EP
European Patent Office
Prior art keywords
capsule
proximal
bottom portion
flap
flaps
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.)
Not-in-force
Application number
EP15166542.9A
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German (de)
English (en)
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EP2947028A1 (fr
Inventor
Giovanni Erminnio Pietro Alberti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delica AG
Original Assignee
Delica AG
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Filing date
Publication date
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Publication of EP2947028A1 publication Critical patent/EP2947028A1/fr
Application granted granted Critical
Publication of EP2947028B1 publication Critical patent/EP2947028B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the present invention relates to a capsule for the preparation of a drink, in particular a hot drink such as coffee, tea or drinking chocolate according to the preamble of claim 1.
  • a capsule for coffee preparation which has a frusto-conical wall with a bottom portion.
  • the bottom portion is provided with a recessed structure with a locally reduced material thickness, ie with material weakenings, which serves to facilitate the penetration of blades.
  • This capsule has the disadvantage that the material is weakened in the range of lower material thickness. Moreover, these depressions are disadvantageous because objects can get caught on the edges. In addition, these structures do not look good optically and are expensive to manufacture, since an additional step of notching by laser or mechanical tool may be necessary. In any case, these notches weaken the oxygen barrier, which is detrimental to the aroma protection of the capsule contents.
  • EP2133285 A1 and DE102007024579 A1 are the flap valves, or the lines of weakness in the membrane and not in the ground.
  • a generic capsule which allows an improved piercing of the capsule for the purpose of liquid introduction via a preparation machine.
  • protrusion is to be understood as meaning truncated or sharp-pointed mandrel elements. For the present invention, therefore, no sharp tips are necessary, since the flap for pivoting can indeed be perforated per se, but does not have to. It can also only be touched and pushed.
  • a distance of the weakening line from the associated connecting path may amount to 5% to 100% of a diameter of the bottom section, preferably 10% to 40% of this diameter and in particular about 15% to 30% or 20 to 25% of this diameter.
  • the lines of weakness are notches or cuts, that is essentially linear Objects that only slightly weaken an oxygen barrier.
  • the proximal protective film also provides improved aroma protection and can be perforated in an improved manner, in particular with the flaps according to the invention.
  • the line of weakness is longer than a cross section of said protrusions, so that this structure causes a stronger perforation of the proximal protective film than if the protrusions simply pierce the capsule bottom and the protective film.
  • the proximal protective film is at least partially spaced from the proximal bottom portion attached.
  • the proximal protective film may be attached to the wall only peripherally inside the capsule, in particular welded thereto. This allows easy production. At most, the bulk material pressed into the chamber can bulge the film slightly.
  • the flap is then preferably shaped so that a distance perpendicular to said connecting path of at least one point of said connecting path to the associated weakening line greater, in particular about 0.5 times to 4 times larger than a shortest distance (parallel to the longitudinal direction L of the capsule) from this point of the connecting path to the proximal protective film is from this point of the connecting path to the proximal protective film.
  • Such a distance between the bottom section and the proximal protective film may be 0.5 to 10 millimeters, in particular about 3 to 6 millimeters, preferably about 4 or 5 millimeters.
  • the distal foil can also be attached over the entire surface of the inner surface of the bottom portion, in particular welded.
  • the proximal protective foil protects the chamber from oxygen penetration through the lines of weakness.
  • the invention is based on the finding that the perforation of the proximal protective layer can be improved by the projections of the preparation machine, by at least one flap being deliberately placed in the path of the projection (s) is unfolded or erected by the piercing or indenting of the projections in the capsule against the capsule interior and thereby expand the punctiform perforation of the projections in a line-shaped perforation along the free end of the flap.
  • the bottom portion or contacted by the projection flap portion should be designed to be resistant and flexible according to that the projection does not pierce the flap, but pivoted to the perforation of the proximal protective film against the capsule interior.
  • the proximal side is the side of the fluid supply from the preparation device, the distal side that of the beverage discharge.
  • the axial direction, the L direction runs along the axis of symmetry of the wall, from the proximal side to the distal side.
  • the lateral or radial direction runs perpendicularly away from the axial direction.
  • overlap is a flap-like portion of the bottom portion, which is defined by a substantially not exactly line of weakness in the bottom portion and can be folded away from the bottom portion.
  • the two endpoints of the line of weakness form the endpoints of the link.
  • the bend is thus the natural bending line, which runs as a rule along a straight line section. If the flap is pressed out of the surface of the bottom section, it will bend around this connecting section, which is a straight line section connecting the end points of the weakening line.
  • the weakening line can be a notch or a scoring, that is to say not an elongated recess or local material weakening that extends completely through the bottom section, on the inner or the outer side of the bottom section.
  • the flap breaks the bottom portion along the recess due to the weakening of the material by local thinning of the material thickness and the pivoting is possible.
  • This pre-punching has the advantage that the flap remains secured in the bottom portion prior to use of the capsule, and that oxygenation - or generally fluid entry - into the capsule is reduced as compared to a continuous slot.
  • the pattern may also be provided from slots extending from the inside to the outside of the bottom section. Through slots facilitate the folding movement, since no previous breaking out of the flap is required. It is also conceivable that slots and indentations form the pattern at the same time, or that the indentations in sections extend completely through the bottom section.
  • the free end of a flap is the movable, pivotable portion of the flap near the associated weakening line, which projects freely against the capsule interior in the second flap position.
  • the chamber of the capsule is in particular a bulk material chamber for coffee powder, tea or tea powder, chocolate or milk powder or similar good. Liquids such as gels or thick liquid are also usable.
  • the capsule according to the invention is suitable as an improvement for any capsule which is to be opened proximally by protrusions, in particular if an inner protective foil is to be perforated by these protrusions.
  • a direction of the notch or slots may be directed perpendicular to the respective surface portion of the bottom portion. It is also possible to provide this direction inclined to this surface normal, so that the flap is easier to fold against the capsule interior. In the latter case, then the inner surface of the flap is larger than the outer surface, so that the slot or Kerbides, seen from outside to inside, runs away from a valve center.
  • the notch or the slot may be chamfered to facilitate the deployment movement.
  • the capsule has a distal outlet opening, wherein the distal outlet opening is surrounded by a preferably flange-like edge.
  • this outlet opening is closed with a distal protective film, wherein the protective film is preferably attached to this edge.
  • This distal (as well as the proximal) protective foil serves for aroma protection; it is preferably correspondingly oxygen-tight.
  • Both protective films may in particular be made of metal, preferably aluminum or plastic or another material, in particular of a multilayer and oxygen-tight film, or may comprise such materials.
  • the wall is made in one piece and / or of substantially frusto-conical shape.
  • the outer shape of the cup-shaped capsule is dictated by the shape of the capsule cage of the preparation machine used.
  • the bottom section may be straight or curved inwards or outwards.
  • this wall is made of a thermoformable, oxygen-tight, possibly multi-layered material, in particular of a polymer material, preferably of ethylene-vinyl alcohol copolymer (EVOH) and / or contains polypropylene and / or polyethylene.
  • a polymer material preferably of ethylene-vinyl alcohol copolymer (EVOH) and / or contains polypropylene and / or polyethylene.
  • the layers can also be coated (see below).
  • a preferred material thickness of the wall is at least in the area of the planar structures about 0.3 to 1.1 millimeters.
  • the weakening pattern (ie, the pattern consisting of indentations or passageways) comprises two, three, four, five, six, seven, eight or more flaps defined by individual lines of weakness. It is advantageous if the flaps perforate the proximal protective film as much as possible when folded from the first to the second flap position. The flaps thus enhance the effect of the projections of the preparation machine.
  • a flap is provided essentially for each projection. Because the capsules are most cylindrical in symmetry, the pattern is more advantageously provided so that the projections can not all meet simultaneously between the flaps (e.g., lands or slits). This can be done by specifying the number of flaps depending on the number of protrusions (see below).
  • the number of flaps is selected such that, given the known number of projections due to the accuracy of rotational symmetry of the axis arranged flaps or mandrel elements can be excluded that all projections simultaneously next to a flap (for example, on a web, see below).
  • the number of flaps is not equal to the number of protrusions and the flaps are substantially circumferential, i. without major gaps (with the exception of the bars, see below) arranged so at least one projection must open a flap and perforation.
  • the flaps are preferably shaped to conform to the proximal protective film perforate as comprehensively as possible; but advantageously without separating sections of the film.
  • the connecting sections of these flaps are each non-intersecting tendons of a closed, preferably circular first imaginary path about a center of the bottom section.
  • the connecting sections of these flaps together can essentially form a polygon around the center of the proximal bottom section, wherein immediately adjacent corner points of two adjacent bending lines are spaced apart at least via a web.
  • the webs then ensure that the weakening lines do not run continuously along a closed imaginary path, otherwise a portion of the bottom portion could detach from the wall and the targeted perforation of the proximal protective film with the movable portion of the wall or the bottom portion would no longer be possible ,
  • the first imaginary trajectory and the second imaginary trajectory are arranged concentrically or intersecting so that, when used as intended, the capsule in FIG the preparation device at least one of the flaps can be pressed by at least one projection from the first flap position into the second flap position.
  • the first path extends substantially circularly around the center of the proximal bottom section as the center and / or the number of flaps is not equal to a multiple of the number of protrusions of the preparation device.
  • each flap in the first flap position extends away from the connection path from the center of the proximal base section or towards this center.
  • the effective curvature of the line of weakness may be inward or outward.
  • the weakening line can thus lie between the connecting path and this center or else the connecting path lies between the weakening line and this center.
  • the connection section extends substantially radially outward from the center and a multiplicity of such connection sections are arranged along a preferably circular path around the center.
  • the weakening line is formed by one or more circular arc sections and / or by polygons. It is particularly preferred if the free end of the flap has one or more tips, in particular jagged.
  • the weakening lines of all the flaps in the first flap position can form a star line (interrupted only by the webs). The tips at the free ends, formed by the tines in the associated weakening line, allow targeted selective puncturing of the proximal foil, wherein upon further pivoting of the flap, the perforation is increasingly widened by the penetrating tines.
  • the bottom portion has a height in the L direction of about 1 to 3 millimeters, in particular about 2 millimeters and a maximum outside diameter of about 17 to 25 millimeters, in particular about 21 millimeters.
  • the first conical section has a height in the L direction of about 4 to 6 millimeters, in particular about 5 millimeters and a maximum outside diameter of about 28 to 26 millimeters, in particular about 22 millimeters.
  • the second conical section 15 has a height in the L direction of 10 to 20 millimeters, in particular about 15 millimeters and a maximum outside diameter of about 15 to 20 millimeters, in particular about 17 millimeters.
  • the third conical section 16 has a height in the L direction of about 4 to 6 millimeters, in particular about 5 millimeters and a maximum outside diameter of about 29 to 33 millimeters, in particular about 31 millimeters.
  • the invention also relates to a capsule system consisting of the one described above Capsule with a preparation machine or device or extraction device.
  • FIG. 1 shows in a plan view obliquely from above a capsule 1 with a cup-shaped wall 10th
  • FIG. 2 10 shows a plan view of the proximal surface of the bottom portion 100.
  • the wall comprises a substantially frustoconical wall with a step and a convexly outwardly arched bottom portion 100 mounted in a distal end portion of the capsule 1.
  • the bottom portion 100 has a circular rim 1000 and a Circle center 121 on.
  • the capsule 1 extends from the proximal bottom portion 100 along a L-axis extending cylinder axis of symmetry to a distal end where a flange 2 is mounted.
  • the frustoconical capsule 1 forms a bounded by the wall 10 and distally increasing chamber 3.
  • This chamber 3 is suitable for bulk material such as coffee powder, tea powder, milk powder, chocolate powder or other types of powder or beverage ingredients and, for example, viscous liquids or To pick up gels.
  • the capsule 1 has at the distal end of the wall 10 a cantilevered extension, which forms the flange-like edge 2. With this flange 2, the capsule 1 can be brought into engagement with a capsule cage 50 of a preparation machine 5.
  • the truncated cone of the capsule 1 has in the L direction, distal from the bottom portion 100, a first conical section 71 (see FIG. Fig. 3 ), to which a widening step 74 adjoins, which enlarges the cross-section laterally or radially and merges into a second conical section 72.
  • the second conical portion 72 has a less steep inclination to the L direction than the first conical portion 71.
  • a third conical section 73 which adjoins the latter substantially in alignment with the second conical section 72, the material thickness is increased inwards. This provides more stability.
  • the wall 10, the bottom portion 100 and the flange-like edge 2 are formed as one piece.
  • this single piece is made by deep drawing a suitable material. It is preferred to use a material which is oxygen-tight to ensure aroma protection.
  • the material should be correspondingly flexible at least in the region of the connecting sections of the flaps.
  • a material of a polymeric material may be a multi-layered material consisting of multiple layers wherein one layer has low oxygen diffusion levels (eg, 5-20 micron EVOH) or an aluminum coated substrate (eg, 5-50 micron polypropylene or polyethylene) or an SiO x coated one Carrier material (eg 5-50 micron polypropylene or polyethylene). Another layer may have low vapor diffusion values (eg, 5-50 micron polypropylene or polyethylene), and another layer may, if desired, provide the necessary mechanical strength of the multilayer material.
  • low oxygen diffusion levels eg, 5-20 micron EVOH
  • an aluminum coated substrate eg, 5-50 micron polypropylene or polyethylene
  • SiO x coated one Carrier material eg 5-50 micron polypropylene or polyethylene
  • Another layer may have low vapor diffusion values (eg, 5-50 micron polypropylene or polyethylene), and another layer may, if desired, provide the necessary mechanical strength of the multilayer material.
  • a weakening pattern 11 having two weakening lines 111 and 112 is provided on a proximal, that is to say outer surface of the bottom section 100.
  • These punching or weakening lines 111, 112 are either line-shaped notches which are notched into the material of the proximal bottom portion 100 or are from the proximal surface of the bottom portion 100 to a distal surface of the bottom portion 100 and thus into the capsule interior reaching cuts ,
  • the two weakening lines 112 and 111 according to the embodiment of Fig.
  • a web width can be about 1 to 2 millimeters here.
  • the weakening pattern 11 comprises the two flaps 101, 102 defined by the weakening lines 111, 112. These flaps 101, 102 have two connecting sections which are parallel and spaced over the web 120 and which connect as straight sections the corner points 1111 and 1112 of the first weakening line 111 Join vertices 1121 and 1122 of the second weakening line 112.
  • Each of the mirror-symmetrical to each other with respect to a middle line between said connecting lines weakening lines 111, 112 and flaps 101, 102 have four points, which radially from a center 121 (see also FIG. 2 ) to the outside. These prongs are pointed and sharply shaped to perforate the distal protective film.
  • the star has a diameter which covers 50 to 100% of the proximal surface of the bottom portion 100.
  • the centroids of the flaps 101, 102 are arranged so as to be approximately on the circular path, along which projections 51, 52 (s. Fig. 4 ) of a preparation machine 5, come to rest.
  • the flaps 101, 102 are then by means of the elements 51, 52 by pressure from the outside along the bending lines in the interior of the chamber 3 for perforating a proximal protective film, which is mounted in the capsule interior, pivotable.
  • FIG. 3 shows a longitudinal cross section through the capsule 1 and chamber 3, respectively FIGS. 1 and 2 , Out FIG. 3
  • the flange 2 in the proximal direction ie, opposite to the L direction
  • protruding webs 21 and 22 has.
  • These webs 21, 22 are concentric with each other about a distal end of the capsule 1.
  • the outer web 21 is mounted radially outwardly flush with the radial end of the flange 2.
  • the inner web 22 is spaced a few millimeters from the wall 10 is attached.
  • the outer web 21 has a substantially quadrangular cross-section, while the inner web 22 is of a substantially triangular cross-sectional shape, wherein the triangular tip is located distally over the flange 2.
  • a height in the L direction of the outer web 21 is about 0.5 to 1 millimeter, the inner web 22 is two to three times as high.
  • FIG. 3 also shows the convex outwardly arched shape of the bottom portion 100 the rounded edges. Also, a distal outlet opening 4 for the exit of the drink can be seen. At the inner end of the flange 2, part of the wall 10 is recessed (see recess 75), so that the third conical section 73 buckles outward in the distal region. Thus, material is saved.
  • FIG. 3 also shows the proximal protective film 81, which is mounted in the capsule interior, about 1 to 5 mm apart from the bottom portion 100. Also, the distal protective film 82 is shown, which is mounted on the flange 2 and the outlet opening 4 of the capsule 1 closes.
  • the films 81, 82 are preferably formed of metal, for example. Aluminum, or a plastic film and close off oxygen-tight, to provide flavor protection.
  • FIG. 4a shows a section of the preparation machine 5 with the capsule cage 50, in which the capsule 1 is inserted for extraction.
  • the first projection 51, the second projection 52 and the third projection (not illustrated) are pushed onto the proximal surface of the proximal base section 100.
  • the flaps 101 and 102 are formed and arranged such that these projections 51, 52 press on the proximal flat side of the corresponding flaps 101, 102 and the flaps 101, 102 release the weakening pattern 11 and the corresponding connection distance against the chamber 3 in Press in the capsule interior.
  • the material of the capsule 1 is thus provided correspondingly flexible at least in the bottom portion 100, so that a pivoting of the flaps 111, 112 is possible. Free ends 1010, 1020 of the flaps 101, 102 are thus folded against the capsule interior and protrude beyond the distal surface of the proximal bottom portion 100.
  • the aluminum foil 81 (the proximal protective foil), which is welded into the capsule interior as a proximal protective foil and held substantially parallel to the bottom portion 100, serves for aroma protection. This film 81 is in this case welded so close to the bottom portion 100, so that the projections 51, 52 perforate the film 81 when penetrating into the capsule interior.
  • the aluminum protective film is punctured not only punctually by the projections 51, 52, but by the entrained free ends of the flaps 101, 102 over a larger area of the free end of the flaps 101, 102 are slit linearly along the lines of weakness 111, 112.
  • the provision of this Flaps 101, 102 thus results in better perforation of the internal aroma protection film, thus improving a flow behavior during the fluid introduction through the proximal bottom section 100 and the aroma protection film into the chamber 3.
  • the protective film 81 is mounted so spaced in capsule interior that the projections 51, 52 alone do not pierce the film 81, but only the pivoted flaps 101, 102 which are formed so that further in Capsule interior against the film 81 protrude than the projections 51, 52, the film 81 perforate.
  • FIG. 4b shows the stylized preparation machine 5 with the closing element 53, which closes the capsule cage 50 shaped in a manner complementary to the capsule 1.
  • the closing element 53 has distally emerging channels 54, through which the prepared beverage flowing out of the capsule 1 can escape to the outside.
  • FIGS. 5 to 12 show a non-exhaustive, exemplary selection of such embodiments of the weakening pattern 11.
  • FIG. 5 shows two smooth (not jagged), arranged along a circle, arcuate lines of weakness 111, 112, which form around the center 121 arranged flaps 101, 102 on the bottom portion 100 according to a specific pattern 11.
  • FIG. 6 shows three smooth, arranged along the circle and bent outwards (ie bent away with a central portion of the center 121) weakening lines 111, 112, 113, which flaps 101, 102, 103 form.
  • the weakening lines 111, 112, 113 of the FIG. 6 are no longer arcuate, but more curved.
  • the increased curvature causes an increase in the flap height (maximum length of the flap perpendicular from the connecting line to the weakening line) compared to circular lines of weakness.
  • FIG. 7 shows four smooth, distributed along the circle and with a central portion compared to the circular curvature strongly outwardly bent lines of weakness 111, 112, 113, 114th
  • FIG. 8 shows a pattern 11 with the in FIG. 5 shown weakening lines 111, 112, wherein these lines of weakness 111, 112 are now arranged on the bottom portion 100, that the central portions are curved towards the center 121 and no longer outwardly.
  • FIG. 9 shows a weakening pattern 11 with the three smooth, inwardly bent lines of weakness 111 to 113.
  • FIG. 10 shows a weakening pattern 11 with the lines of weakness 111 to 114 after FIG. 7 wherein these weakening lines 111 to 114 are bent inwardly.
  • FIGS. 11 and 12 show a weakening pattern 11 with the two weakening lines 111, 112 after the Figures 5 or 8, wherein these lines of weakness according to the pattern FIG. 11 run parallel.
  • FIG. 12 shows an embodiment with only one line of weakness 111.
  • FIGS. 5 to 12 can also be mixed or modified.
  • mushroom-shaped, triangular or other shapes may be provided.
  • the smooth weakening lines 111, 112, 113, 114 of FIGS. 5 to 12 can also be at least partially curved or serrated or shaped differently, as long as they are shaped such that a displacement of the flap 101, 102, 103, 104 from the first to the second flap position for perforation of the proximal protective film by the flap 101 , 102, 103, 104 leads.
  • the lines of weakness 111, 112, 113, 114 are circumferentially evenly distributed around the center 121; however, this does not have to be.
  • the portion of the bottom portion 100 remaining inside the center 121 between the weakening lines 111, 112, 113, 114 remains advantageous since it covers the distal aroma protection film 81. In principle, however, this could also be excluded if the weakening lines 111, 112, 113, 114 are bent inwards. However, if these weakening lines 111, 112, 113, 114 are bent outwards, this central section serves for fastening the corresponding flaps 101, 102, 103, 104.
  • the proximal protective film 82 is pierced during extraction according to conventionally known principles.
  • LIST OF REFERENCE NUMBERS 1 capsule 3 chamber 10 wall 11 Attenuation pattern to 100 4 distal outlet 100 proximal floor section 1000 Edge of 100 5 preparation machine 101 first flap 50 capsule cage 1010 free end of 101 51 first advantage 102 second flap 52 second lead 1020 free end of 102 53 Closing element of 5 103, 104 another flap 54 Channel in 53 111 first line of weakness 1111 first corner of 111 71 first conical section 1112 second corner of 111 of 10 112 second line of weakness 72 second conical section 1121 first corner of 121 of 10 1122 second corner of 112 73 third conical section 113, 114 further weakening lines of 10 74 broadening stage 120 web 75 recess 121 Center of 100 81 proximal protective film 2 flange-like edge 82 distal protective film

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Claims (17)

  1. Capsule (1) pour la préparation d'une boisson au moyen d'une machine de préparation (5) présentant au moins une saillie (51 ; 52), la capsule (1) comprenant une paroi (10) avec une portion de fond proximale (100), une chambre (3) étant formée dans la capsule (1), la portion de fond proximale (100) étant pourvue d'un motif d'affaiblissement (11), caractérisée en ce que
    la chambre (3) est fermée au moins dans une région du motif d'affaiblissement (11) vers la portion de fond proximale (100) avec une feuille de protection proximale (81),
    le motif d'affaiblissement (11) comprend au moins une ligne d'affaiblissement (111 ; 112 ; 113 ; 114) s'étendant depuis un premier coin (1111 ; 1121) jusqu'à un deuxième coin (1112 ; 1122), la ligne d'affaiblissement (111 ; 112) s'étendant au moins en partie à distance d'une section de connexion s'étendant depuis le premier coin (1111 ; 1121) jusqu'au deuxième coin (1121 ; 1122) et définissant ainsi un volet (101 ; 102 ; 103 ; 104) dans la portion de fond (100),
    et le volet (101 ; 102 ; 103 ; 104) étant formé de telle sorte que par enfoncement du volet (101 ; 102 ; 103 ; 104), la feuille de protection proximale (81) puisse être perforée avec au moins une portion d'une extrémité libre (1010 ; 1020) du volet (101 ; 102 ; 103 ; 104) associée à la ligne d'affaiblissement (111 ; 112 ; 113 ; 114).
  2. Capsule (1) selon la revendication 1, dans laquelle la feuille de protection proximale (81) est appliquée au moins en partie à distance de la portion de fond proximale (100) et le volet (101 ; 102 ; 103 ; 104) est formé de telle sorte qu'une distance s'étendant perpendiculairement à ladite section de connexion depuis au moins un point de ladite section de connexion à la ligne d'affaiblissement associée (111 ; 112 ; 113 ; 114) soit supérieure à la plus courte distance de ce point de la section de connexion à la feuille de protection proximale (81).
  3. Capsule (1) selon la revendication 1 ou 2, comprenant une ouverture de sortie distale (4), l'ouverture de sortie distale (4) étant entourée par un bord de préférence de type bride (2), l'ouverture de sortie distale (4) étant de préférence fermée avec une feuille de protection distale (82) appliquée sur le bord (2).
  4. Capsule (1) selon l'une quelconque des revendications précédentes, dans laquelle la paroi (10) est fabriquée d'une seule pièce et/ou a une forme essentiellement tronconique.
  5. Capsule (1) selon l'une quelconque des revendications précédentes, dans laquelle la paroi (10) est fabriquée à partir d'un matériau emboutissable, étanche à l'oxygène, en particulier à partir d'un matériau polymère, de préférence à partir d'EVOH, et/ou contient du polypropylène et/ou du polyéthylène.
  6. Capsule (1) selon l'une quelconque des revendications précédentes, dans laquelle la feuille de protection proximale (81) et/ou la feuille de protection distale prévue de toute façon (82) sont fabriquées à partir d'un matériau étanche à l'oxygène, en particulier de métal, de préférence d'aluminium ou de plastique ou d'une feuille monocouche ou multicouche ou comprend de tels matériaux.
  7. Capsule (1) selon l'une quelconque des revendications précédentes, dans laquelle le motif d'affaiblissement (11) définit deux, trois, quatre, cinq, six, sept, huit ou plus de huit volets (101 ; 102 ; 103 ; 104).
  8. Capsule (1) selon la revendication précédente, dans laquelle les sections de connexion de ces volets (101 ; 102 ; 103 ; 104) sont à chaque fois des cordes ne se coupant pas d'une première trajectoire imaginaire fermée, de préférence circulaire autour d'un centre (121) de la portion de fond (100).
  9. Capsule (1) selon la revendication précédente, dans laquelle les sections de connexion de ces volets (101 ; 102 ; 103 ; 104) forment ensemble essentiellement un polygone autour du centre (121) de la portion de fond proximale (100), des coins (1112, 1121 ; 1111, 1122) immédiatement adjacents de deux courbes adjacentes étant espacés au moins par le biais d'une nervure (120).
  10. Capsule (1) selon l'une quelconque des revendications précédentes, dans laquelle au moins un volet, de préférence chaque volet (101 ; 102 ; 103 ; 104) de la section de connexion s'étend à l'écart du centre (121) de la portion de fond proximale (100) ou vers ce centre (121).
  11. Capsule (1) selon l'une quelconque des revendications précédentes, dans laquelle la ligne d'affaiblissement (111 ; 112 ; 113 ; 114) est formée par ou une plusieurs sections d'arc de cercle et/ou par des polygones, l'extrémité libre (1010 ; 1020) des volets (101 ; 102 ; 103 ; 104) présentant de préférence une ou plusieurs pointes, de préférence étant hachée.
  12. Capsule (1) selon la revendication précédente, dans laquelle plusieurs volets (101, 102, 103, 104) sont prévus, dont les lignes d'affaiblissement (111, 112, 113, 114) forment une étoile.
  13. Système de capsule constitué d'une capsule (1) selon l'une quelconque des revendications précédentes et d'une machine de préparation (5).
  14. Système de capsule selon la revendication précédente, comprenant une capsule (1) selon l'une quelconque des revendications 8 à 12, la machine de préparation (5) comprenant une pluralité de saillies (51, 52) s'étendant le long d'une deuxième trajectoire imaginaire pour percer la portion de fond proximale (100), la première trajectoire et la deuxième trajectoire étant disposées concentriquement ou se coupant de telle sorte que lors de l'utilisation conforme de la capsule (1) dans la machine de préparation (5), au moins l'un des volets (101 ; 102 ; 103 ; 104) soit enfoncé par au moins une saillie (51, 52).
  15. Système de capsule selon la revendication précédente, dans lequel la première trajectoire s'étend essentiellement sous forme circulaire autour du centre (121) de la portion de fond proximale (100) en tant que centre.
  16. Système de capsule selon l'une quelconque des revendications 14 ou 15, dans lequel le nombre des volets (101 ; 102 ; 103 ; 104) est différent d'un multiple du nombre des saillies (51, 52) de la machine de préparation (5).
  17. Système de capsule selon la revendication précédente, dans lequel le nombre des volets (101 ; 102 ; 103 ; 104) est inférieur, de préférence d'au moins 1, au nombre des saillies (51, 52) de la machine de préparation (5).
EP15166542.9A 2014-05-06 2015-05-06 Capsule pour préparation de boisson Not-in-force EP2947028B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00680/14A CH709597A2 (de) 2014-05-06 2014-05-06 Kapsel für Getränkzubereitung.

Publications (2)

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EP2947028A1 EP2947028A1 (fr) 2015-11-25
EP2947028B1 true EP2947028B1 (fr) 2017-06-14

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CH (1) CH709597A2 (fr)
DK (1) DK2947028T3 (fr)
ES (1) ES2639996T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800008071A1 (it) * 2018-08-13 2020-02-13 Gruden Spa Capsula per preparazione di bevande.
IT202100021704A1 (it) * 2021-08-10 2023-02-10 Macchiavelli S R L A Socio Unico Capsula per prodotti da infusione

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW199884B (fr) * 1991-05-08 1993-02-11 Sociere Des Produits Nestle S A
ITMI20061503A1 (it) * 2006-07-28 2008-01-29 Illycaffe Spa Perfezionamenti di capsule contenenti una sostanza in polvere da cui estrarre una bevanda,preferibilmente caffe' espresso
DE102007024579A1 (de) * 2007-05-25 2008-11-27 Inde Plastik Betriebsgesellschaft Mbh Portionspackung zur Getränkezubereitung
ATE501959T1 (de) * 2008-06-10 2011-04-15 Inde Plastik Betr Sgmbh Portionspackung zur getränkezubereitung
PL2592021T3 (pl) 2009-08-19 2015-08-31 Nestec Sa Kapsułka do wytwarzania ekstraktu kawowego posiadająca strukturę ułatwiającą perforację dla wtrysku wody
EP2394932B1 (fr) * 2010-06-11 2013-06-05 Alain Frydman Capsule à zone d'amorce de rupture
WO2013076381A1 (fr) * 2011-11-24 2013-05-30 Alain Frydman Capsule pour l'extraction d'une boisson sous pression, comprenant une paroi d'entrée de fluide prévue pour se rompre sous l'effet d'un fluide sous pression
WO2014027079A1 (fr) * 2012-08-17 2014-02-20 Wilhelm Servis Capsule servant de réceptacle à une dose de substance à infuser

Also Published As

Publication number Publication date
ES2639996T3 (es) 2017-10-31
CH709597A2 (de) 2015-11-13
DK2947028T3 (en) 2017-09-11
EP2947028A1 (fr) 2015-11-25

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