EP3356259A1 - Capsule pour la préparation d'une boisson telle que du café ou une infusion - Google Patents
Capsule pour la préparation d'une boisson telle que du café ou une infusionInfo
- Publication number
- EP3356259A1 EP3356259A1 EP16775211.2A EP16775211A EP3356259A1 EP 3356259 A1 EP3356259 A1 EP 3356259A1 EP 16775211 A EP16775211 A EP 16775211A EP 3356259 A1 EP3356259 A1 EP 3356259A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- capsule
- zone
- peripheral
- sectors
- pins
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
- B65D85/8043—Packages adapted to allow liquid to pass through the contents
Definitions
- the present invention relates to a capsule for receiving a substance for the preparation of a beverage, for a coffee machine having a housing for the capsule and a piston provided with pins distributed in an action zone for pressing the capsule in the housing of the machine bearing against the capsule, the capsule having a bottom and a side wall s' enrolling globally in a truncated cone whose opening provided with a rim is covered by a cap after loading the product.
- a multiplicity of capsules having the most diverse shapes are known to be used in a machine in which the capsule is pierced to inject hot water / steam and prepare a beverage such as coffee or an infusion.
- the pimples pierce the bottom or a pre-drilled capsule, the pimples come in a circular groove of the bottom corresponding to the action zone of the pimples which, in this case, do not touch the bottom.
- the pre-drilled capsules must be sealed with additional packaging or overpack, which complicates the manufacturing by this packaging step after filling the capsule.
- the size of the capsule thus packaged or overpacked is important, which increases the volume of packaging capsules in boxes and ultimately the volume of waste.
- the manufacture is difficult because it is necessary to reduce the thickness of the bottom to allow drilling by the pins.
- the problem of these capsules is the complexity of their shape and their packaging to preserve the substance contained in the capsule as hermetically as possible to protect it against the deterioration of the organoleptic characteristics of the product and more generally to maintain the quality of the product , to obtain a drink as close as possible to a drink such as coffee or an infusion prepared directly from a fresh substance (coffee powder or infusion product).
- the present invention aims to develop a capsule of the above type, simple, reducing the packaging used to maintain hermeticity without complicating the manufacture and use of the capsule or make it more difficult to set up or extract it.
- the invention also aims at producing a biodegradable capsule and in particular a compostable capsule.
- the subject of the invention is a capsule of the type defined above, characterized in that the bottom is subdivided into a central zone and a peripheral zone comprising peripheral sectors bordered by a rupture line leaving between the peripheral sectors. a connecting strip with the central zone, and each sector remaining connected to the bottom by a connecting zone, the peripheral zone being in the zone of action of the pins of the piston to be deformed by the pins pushing at least some peripheral sectors for the open by tearing the break lines.
- the capsule according to the invention has the advantage of being perfectly hermetic without complicating the piercing of the bottom. It is not likely to be deformed and get stuck in the cavity of the machine, thanks to the rigidity of the bottom of which all sectors in contact with the pins open and retract inwards; the pin which eventually encounters a connecting strip pushes it, opening the neighboring rupture lines without deforming the bottom irreversibly, which ensures liquid inlets distributed on the bottom, regularly distributing the liquid in the product.
- the capsule according to the invention has the advantage of minimizing the packaging since it is perfectly sealed, it does not require a priori overpackaging which reduces the waste put in the trash.
- peripheral sectors are in number greater than that of the pins of the piston so that at least some of the pins meet a peripheral sector to open it while, if necessary, the pin arriving on a connecting strip between two sectors deforms the bottom and this deformation at least partially tears one or the other of the nearest breaking lines to at least partially open the corresponding sector.
- the connecting strips connect the outer edge of the bottom to its central zone through the peripheral zone, they reinforce the bottom and avoid any global deformation; if a pin encounters a connecting strip, it deforms only this connecting strip without deforming the entire bottom.
- This deformation is generally elastic, there is no overall deformation of the capsule may trap it in its housing of the machine.
- the breaking line of a sector is formed of an outer segment and two branches oriented towards the central zone, the branches of two adjacent rupture lines leaving between them the connecting strip.
- connection zone connects the sector to the central zone of the bottom or vice versa, the connection zone connects the sector to the edge of the bottom.
- the sector tears along the line of rupture and opens towards the inside of the capsule to form a passage for the liquid.
- the peripheral sectors are identical and their number is greater than that of the pins of the piston.
- the number of peripheral sectors is one unit higher than that of the pins.
- the capture is carried out by an injection-compression process, the whole capsule being produced by injection and the rupture line obtained by compression from the inside of the capsule.
- the line of rupture is thus the impression of the compression tool which crosses the wall of the bottom only over a part of its thickness, for example to "half-flesh".
- the side wall has a shape of revolution around the axis of the capsule has a frustoconical upper portion connected to the bottom by a reinforced portion consisting of a frustoconical belt angle greater than that of the upper part, joining a cylindrical surface itself connected to the bottom by a frustoconical crown angle greater than that of the side wall, the frustoconical belt being reinforced on the inside of the capsule by a first set of gussets oriented radially and forming supports for the stacking empty capsules into each other and the cylindrical surface and the frustoconical crown being internally reinforced by a second set of gussets oriented radially and angularly offset from the gusset of the first set.
- the capsule whose generally frustoconical side wall has been reinforced avoids being deformed by the piston and remain stuck in the cavity of the machine. Reinforcing elements are directly molded without requiring a complex mold with moving parts.
- the bottom is composed of a central zone and a peripheral zone joining the lateral wall by an edge, the peripheral zone being occupied by the sectors and the central zone being formed of a domed crown in the extension of the curved shape of the peripheral zone and connected to a flat crown surrounding a hollow dome.
- the bottom thus structured is particularly rigid to withstand the thrust of the piston so that this thrust opens the sectors without deforming the bottom and allow to transmit the possible forces induced by the piston which a pin meet a part of the bottom other than a sector; the force will then be transmitted distributed peripherally to the "lower" part of the wall of the capsule so as to be applied in a distributed manner over the entire periphery of the conical wall, even in the case of a biodegradable or composite capsule - table.
- the invention makes it possible to produce biodegradable and in particular composable capsules.
- a capsule is characterized in that the capsule is made of a biodegradable and in particular compostable material, chosen from a group including PLA and mixtures thereof and the frustoconical upper part and the lower part are of reduced thickness compared to that of the lower part and the bottom.
- the capsule characterized in that the gusset of the second set is located substantially in the middle of the outer segment of the rupture line of a peripheral sector.
- This arrangement of the gusset of the second assembly makes it possible, with the gussets of the first assembly and the connecting strips, to rigidly surround the peripheral sectors so that, under the thrust of a pin, the thrust is exerted solely on the peripheral sector encountered by the pin.
- the bottom will be slightly deformed and this deformation will break the line of rupture on either side of this point of support of the pin.
- FIG. 1 is a side view of an embodiment of a capsule
- FIG. 2 is a view in axial section of the capsule of FIG. 1 along section plane II II of FIG.
- FIG. 3 is a plan view of a capsule bottom
- FIG. 4A is an enlarged axial sectional view of the lower part of the capsule of FIG. 2,
- FIG. 4B is an enlarged view of the bottom showing the rupture lines
- FIG. 4C is a view from above corresponding to FIG. 4B showing the opening of the peripheral sectors by the pushing of the pins,
- FIG. 5A is an axial sectional view of the capsule along the sectional plane (VA, VA) of FIG. 3,
- FIG. 5B is an axial sectional view of the capsule according to the section plane (VB, VB) of FIG. 3,
- FIG. 6 is a view in axial section of the stack of two capsules
- FIG. 7A is an enlarged view of detail VIIA of FIG. 6,
- FIG. 7B is an enlarged view of the detail VIIB of FIG. 6.
- the invention relates to a capsule 1 for a machine for preparing a drink such as coffee or an infusion.
- This capsule 1 has an overall shape of revolution about its axis XX with a bottom January 1, a side wall 12, frustoconical, and an open top, provided with a flange 13 receiving a cap sealing the opening to trap the product in the capsule.
- the capsule 1 has a flange 13 whose top is flat to fix the lid; the underside of the rim 13 has sealing lips for receiving the edge of the piston and for sealing.
- the capsule has a side wall 12 formed of a frustoconical upper portion 121 and a reinforced lower portion, having a frustoconical belt 122 provided internally with a first set of gussets 21, regularly distributed in groups of three.
- the gussets 21 in the radial planes reinforce the frustoconical belt 122 and form by their corner, supports 21 1 for stacking empty capsules (Figure 6).
- the cylindrical surface 123 and the frustoconical surface 124 are internally provided with a second set of gussets 22 in radial planes, ensuring the reinforcement of the lower part and the bottom 1 1 in a distribution which appears more clearly in FIG.
- the portions 121, 122, 123, 124 of the side wall 12 have a reduced thickness except for the gussets 21, 22 and a ring 23 internally reinforcing the cylindrical surface 123.
- the capsule 1 according to the invention is a non-pre-pierced capsule whose bottom 1 1, without opening, is hermetic before the action of the piston of the machine.
- Figure 3 is a top view of the capsule 1 showing the inner structure of its lower part and its bottom 1 1, according to the rotational orientation about its vertical axis of rotational symmetry XX of the capsule.
- the section plane is the plane (II II) of Figure 3 which is not a plane of symmetry or even pseudosymmetry as the planes (VA, VA) and (VB, VB).
- gussets 21 and their supports 21 1 and the gussets 22 are regularly distributed leaving each other between them a quadrant in which there are three gussets 21 also regularly distributed in each quadrant without being in the radial extension of the gussets 22.
- the bottom 1 1 is subdivided geometrically into a central zone 1 1 1 and a peripheral zone 1 12 up to the edge 1 13 of the bottom, at its junction with the frustoconical crown 124 of the side wall 12.
- the central zone 1 1 1 is delimited by a circle and the peripheral zone 1 12 is that between this circle and the edge 1 13 of the bottom.
- the bottom 1 1 has peripheral sectors 14 located in the peripheral zone 1 12 and each delimited by a break line 15 composed of an outer segment 151, substantially parallel to the edge of the bottom and two branches 152, radial or generally oriented towards the central zone so as to delimit the sector 14 on three sides leaving the continuity of the material from the bottom to the central zone 1 1 1.
- This continuity of the material is shown schematically by a dashed line corresponding to a connecting zone 17 which extends over a certain width in the radial direction.
- the rupture line 15 consists of the outer segment 151 running at a distance from the edge 1 13 of the bottom and continuing at each end by a short branch 152 leaving the connecting zone 17 connecting the sector 14 to the zone central 1 1 1 of the bottom and constituting a hinge zone allowing the sector 14 to be detached from the bottom 1 1 by the partial or total breaking of its breaking line 15 to lift from the surface of the bottom by the effect of hinge made by this connecting zone 17.
- the rupture line 15 is preferably formed by a weakening of the material at the time of manufacture of the capsule, by injection-compression, leaving the outer surface of the bottom smooth so that, as indicated above, the rupture line 15 appears inside the capsule and not on the outside. But the opposite solution is not excluded.
- the breaking line 15 is simply a reduction in the thickness of the material without going through the thickness, or having a bore so that the bottom 1 1 is perfectly sealed as the remaining capsule.
- the sectors 14 are separated by connecting strips 16 connecting the edge 1 13 to the central zone 1 1 1 through the peripheral zone 1 12 so as to stiffen the bottom 1 1 so that it does not risk sinking into the contact with a picot.
- the connecting strips 16 are in the radial alignment of the middle gusset 21 of each group of three gussets.
- the sectors 14 between the connecting strips 16 are symmetrical with respect to a respective radial direction passing through a gusset 22 of the truncated ring gear 124 so that the edge 13 of the bottom is reinforced beyond the outer segment 151 of the In this arrangement, the gussets 22 are also supported by the groups of gussets 21 of the frustoconical belt 122.
- the gussets 21, 22 and the connecting strips 16 thus form an array of reinforcing elements surrounding the break line 15 of each sector 14.
- the peripheral zone 1 12 in which sectors 14 are located has a convex shape.
- the central zone 1 1 1 consists of a crown 1 1 1a, domed shape with inside thereof a flat ring 1 lb and in the center a dome 1 1 the hollow.
- the curved shape of the crown 1 1 1a extends the curved shape of the peripheral zone 1 12.
- the succession of the forms of revolution 121, 122, 123, 124 and their junction lines 122a, 123a, 124a between them and the junction line formed by the edge 1 13, with the bottom 1 1 and the internal reinforcements constituted by sets of gussets 21, 22 and the ring 23 provide a lower portion of the capsule, including the bottom, particularly rigid not to deform under the thrust of the piston.
- section plane (II II) passing through the two sectors 14 and the outer segment 151 of the two rupture lines 15 reveal its break lines in FIG. 4A.
- the capsule 1 is placed in the housing of a machine known per se, not shown which provides sealing between the upstream and downstream of the capsule in the direction of passage of the liquid, at the rim 13 and the lid so that the injected liquid is forced through the capsule 1 and can not bypass the exit side operculum.
- the bottom 1 1 of the capsule is exposed to the thrust of the pins 31 of the piston which pierce it to inject extraction liquid in the cavity of the capsule and out as a drink by the open lid.
- the pins 31 are distributed over the piston in an annular action zone 3 and in particular on a circle centered on the axis of the piston which is also the axis XX of the capsule.
- the action zone 3 flips the peripheral zone 1 12 and the curved crown 1 1 1a between the edge 1 13 and the flat crown 1 1 1b
- peripheral sectors 14 are preferably regularly distributed around the axis XX and their number is greater than that of the pins, this prevents all the pins from arriving on binding strips 16. It is indeed necessary that the Piston pins arrive on the surface of sectors 14 or at least at the base of the sectors and not on the connecting strips 16.
- the bottom 1 1 preferably comprises four sectors 14.
- the number of sectors 14 is just greater than that of the pins 31, preferably one unit to have an evenly distributed overall liquid intake, ensuring good exhaustion of the product contained in the capsule.
- at least two sectors 14 will be fully open and the other two will be partially while for a larger number of sectors 14, some would be not within the scope of action of the pins 31.
- the distribution and the shape of the segments 14 from the bottom are designed so that:
- the pins 31 can push at least some sectors 14 to open the break line 15 without deforming the edge 1 13; - If a pin 31 arrives on a connecting strip 16, it is not pierced by the pin, but deformed with a portion of the central area 1 1 1, which causes the tear least local of the line of rupture 15 nearby but will not deform the capsule and jam in the housing of the machine.
- the inside of the bottom 1 1 is covered by a not shown sheet, forming a mechanical filter retaining the product.
- Figure 4B shows the usual distribution of the pins 31 of the piston. These are three pins 31 located on a circle centered on the axis XX. More generally, the pins 31 may have a different distribution, also Figure 4B shows the annular surface constituting the action zone 3 of the pins. This zone overlaps the sectors 14, their connecting zone 17 and the geometric limit (according to the drawing) between the peripheral zone 1 12 and the central zone 1 1 1.
- the orientation of the capsule 1 relative to the pins 21 is random, and all the peripheral sectors 14 are not necessarily in front of pins 31.
- the extension of the connecting strip 16 arrives on a picot so that the bottom surface that can not be pierced by the pin because of its thickness, is deformed and partially embedded in the capsule. This deformation puts in tension the two branches 152 on either side of this connecting strip 16.
- FIG. 4C shows the opening of the sectors 14 by the thrust of the pins 31 against the bottom of the capsule.
- the peripheral sectors 14 open differently depending on the relative orientation between the bottom 1 1 of the capsule and the position of the pins 31.
- the closing movement of the machine produces the opening of certain sectors 14 of the bottom by the pins 21 of the piston before the extraction fluid injection.
- the peripheral sectors 14 functioning as kinds of gills, letting the fluid pass through different veins passing through the product of the capsule.
- This advantage of distribution of the points of entry of the fluid is even more striking than the opening of the sectors is oriented towards the edge 13 of the peripheral wall and not towards the center, so that the fluid arrives at multiple points in the mass of product, avoiding the preferential paths which would cross the product along lines of less resistance and generated losses of non-infused material.
- the capsule 1 described above is preferably made of a biodegradable and in particular compostable material selected from the group of materials including PLA (polylactic acid) or mixtures thereof and other biodegradable or composable materials.
- PLA polylactic acid
- this material has, in some cases, a tendency to swell so that the capsule could lock in the cavity of the machine, it is advantageous to reduce the thickness of the wall to reduce the external dimensions of the capsule at the level of the This is possible without the risk of the capsulator being deformed by the thrust of the piston of the machine because this thrust of the piston acts substantially in the direction of the frustoconical upper portion 121 of the wall 12, supported by the cavity of the machine; this thrust of the piston is received by the bottom 1 1 and the lower portion 121, 122, 123, 124, reinforced with the capsule so that the thrust is evenly distributed.
- This reinforced lower part may have a wall of reduced thickness.
- the bottom is of greater thickness because the thrust is exerted against the surface of the bottom 1 1.
- the thickness of the side wall 12 may be of the order of 0.50 millimeter and that of the bottom, of the order of 0.80 millimeter.
- the reduction in thickness forming the rupture line 15 will leave a material thickness of the order of 0.10 millimeters.
- FIGS. 5A, 5B The sectional views of FIGS. 5A, 5B along the section planes (VA, VA) (VB, VB) of FIG. 2 show the section of the gussets 21 (FIG. 5A) and that of the gussets 22 (FIG. 5B).
- Figure 6 shows the stack of two capsules 1, 1 'having an axial size (Ho) and a difference in height (d) between the two capsules 1, 1'.
- FIG. 7A shows the support of the frustoconical crown 124 of the capsule 1 'on the supports 21 1 of the capsule 1.
- This support allows a gap e between the walls 121 of the two capsules 1, 1 'as shown in Figure 7B.
- This relative arrangement makes it possible, on the one hand, to stack the empty capsules with a minimum space requirement and, on the other hand, to prevent the capsules from "sticking" to one another by their tronconic portion 121 and make it difficult to automatic destacking for filling the capsules.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Making Beverages (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU92840A LU92840B1 (fr) | 2015-10-02 | 2015-10-02 | Capsule pour la préparation d'une boisson telle que du café ou une infusion |
PCT/EP2016/073111 WO2017055350A1 (fr) | 2015-10-02 | 2016-09-28 | Capsule pour la preparation d'une boisson telle que du cafe ou une infusion |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3356259A1 true EP3356259A1 (fr) | 2018-08-08 |
Family
ID=54330829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16775211.2A Withdrawn EP3356259A1 (fr) | 2015-10-02 | 2016-09-28 | Capsule pour la préparation d'une boisson telle que du café ou une infusion |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3356259A1 (fr) |
AU (1) | AU2016330818B2 (fr) |
BR (1) | BR112018006676A2 (fr) |
LU (1) | LU92840B1 (fr) |
MX (1) | MX2018003891A (fr) |
WO (1) | WO2017055350A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI602755B (zh) * | 2017-05-26 | 2017-10-21 | Doctor T Company Ltd | Brewing capsule structure |
IT201800005334A1 (it) * | 2018-05-14 | 2019-11-14 | Capsula perfezionata. | |
IT201800003704U1 (it) * | 2018-11-06 | 2020-05-06 | Imper Spa | Capsula monodose per macchine di erogazione di bevande in forma di infuso |
IT202000018118A1 (it) * | 2020-07-27 | 2022-01-27 | Sacmi Cooperativa Mecc Imola Societa’ Cooperativa | Capsula destinata a produrre una bevanda in un dispositivo di produzione di bevande |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012010760A1 (fr) * | 2010-06-11 | 2012-01-26 | Alain Frydman | Capsule pour l'extraction d'une boisson sous pression |
PL2394539T3 (pl) * | 2010-06-11 | 2014-05-30 | Alain Frydman | Kapsułka z dwóch tworzyw |
LU92050B1 (fr) * | 2012-07-23 | 2014-01-24 | Brain Corp S A | Capsule pour la préparation d'une boisson telle que capsule à café. |
FR2993869B1 (fr) * | 2012-07-24 | 2015-11-13 | Brain Corp S A | Capsule pour la preparation d'une boisson telle que capsule a cafe |
-
2015
- 2015-10-02 LU LU92840A patent/LU92840B1/fr active IP Right Grant
-
2016
- 2016-09-28 EP EP16775211.2A patent/EP3356259A1/fr not_active Withdrawn
- 2016-09-28 AU AU2016330818A patent/AU2016330818B2/en not_active Ceased
- 2016-09-28 MX MX2018003891A patent/MX2018003891A/es unknown
- 2016-09-28 BR BR112018006676A patent/BR112018006676A2/pt not_active IP Right Cessation
- 2016-09-28 WO PCT/EP2016/073111 patent/WO2017055350A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
LU92840B1 (fr) | 2017-04-03 |
AU2016330818A1 (en) | 2018-04-19 |
AU2016330818B2 (en) | 2019-07-25 |
WO2017055350A1 (fr) | 2017-04-06 |
MX2018003891A (es) | 2018-11-09 |
BR112018006676A2 (pt) | 2018-10-09 |
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