EP3601103A1 - Dosage pod for infusion - Google Patents
Dosage pod for infusionInfo
- Publication number
- EP3601103A1 EP3601103A1 EP18715502.3A EP18715502A EP3601103A1 EP 3601103 A1 EP3601103 A1 EP 3601103A1 EP 18715502 A EP18715502 A EP 18715502A EP 3601103 A1 EP3601103 A1 EP 3601103A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- peripheral zone
- pod
- infusion
- infusion chamber
- sheets
- 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.)
- Granted
Links
- 238000001802 infusion Methods 0.000 title claims abstract description 61
- 230000002093 peripheral effect Effects 0.000 claims abstract description 137
- 239000000463 material Substances 0.000 claims abstract description 28
- 229920000642 polymer Polymers 0.000 claims description 20
- 239000011111 cardboard Substances 0.000 claims description 14
- 239000000123 paper Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 235000013361 beverage Nutrition 0.000 claims 1
- 239000011087 paperboard Substances 0.000 abstract description 6
- 230000014759 maintenance of location Effects 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 45
- 102100033121 Transcription factor 21 Human genes 0.000 description 29
- 101710119687 Transcription factor 21 Proteins 0.000 description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000002775 capsule Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010003830 Automatism Diseases 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- 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
- B65D85/8046—Pods, i.e. closed containers made only of filter paper or similar material
Definitions
- This invention relates to the packaging of products for infusion.
- the invention particularly relates to a pod containing ground coffee for insertion into a brewing unit of a coffee machine.
- a simple and inexpensive pod comprises for example two sheets of filter paper welded together on their periphery so as to form a central housing containing the coffee.
- USD 449728 discloses such a pod.
- These pods are generally flexible and have a limited mechanical strength.
- a second disadvantage related to the handling of pods is the risk of burning for a user who has to manually remove the pod after brewing coffee.
- a retractable cup for housing the pod and having a grip tab is widely available. The user is not directly in contact with the hot pod. However, it is necessary that the coffee machine is provided for this purpose.
- Another solution is to automate the extraction of the used capsule, so that the user has no manipulation to do at the end of preparation.
- This solution also requires a coffee machine having such an automatism.
- Coffee groups embedded in these planes consist essentially of two parts: a lower part for receiving the pod and pass the brewed coffee, and a movable upper portion for injecting hot water under pressure through the pod. The tightness of the assembly is ensured by closing the two parts at a peripheral zone so as to form a sealed infusion chamber.
- These coffee groups require horizontal introduction of the capsule, and manual extraction of this capsule after use.
- Soft pods comprising permeable sheets are used in this context. These pods have a low mechanical strength, and come out soaked with hot water after use, so that it is difficult for the user to handle them.
- a first aspect of the invention relates to a pod comprising a casing forming a housing containing a product to be infused and a first peripheral area surrounding the housing and delimited by a closed outer contour, a first surface of the pod being intended to cooperate by contact with a first portion of an infusion chamber of an infusion group in a closed position of the infusion chamber, and a second surface of the pod opposite to the first surface, for cooperating with a second part of the room infusion, opposite the first part, in the closed position of the infusion chamber.
- the first peripheral zone is bordered on at least a portion of the outer contour by a second peripheral zone, said second peripheral zone having at least one material and / or a different thickness, respectively, of the material and / or the thickness of the first peripheral area.
- the first and second contact surfaces of the pod are strictly included in the first peripheral zone, so that the second peripheral zone may comprise a holding member situated outside the infusion chamber in the closed position of the brewing chamber.
- This arrangement overcomes the problem of handling pods.
- the second peripheral zone comprising the holding member is less absorbent than the first peripheral zone, avoiding or limiting the propagation of hot water to an area of the holding member where a user can grasp the pod, such as a gripping tab.
- the second peripheral zone is rigid, so as to offer good mechanical resistance to the pod while the first peripheral zone is flexible, in order to effectively accommodate the contacts with the parts of the chamber. infusion.
- a holding member comprising a layer of paperboard for example may have sufficient rigidity and low thermal conductivity to respond advantageously to the problem of handling used pods.
- This solution involves a low cost and also ensures compatibility with the infusion groups of the machines currently onboard the aircraft.
- the holding member may be annular.
- the holding member may be semi-annular.
- the invention also relates to a system comprising a pod as envisaged here and a machine configured to cooperate with this pod.
- the invention also relates to a method of manufacturing pods.
- FIG. 2a and 2b respectively show a top view and a cross-sectional view of a first embodiment of a pod according to the invention
- FIGS. 3a to 3g show a detail in cross-section of different embodiments of a pod according to the invention, in an exploded view;
- FIG. 4 shows a general view of another embodiment of a pod according to the invention.
- FIG. 5a shows a general view of a machine configured to receive a pod according to the invention.
- FIG. 5b shows a cross-sectional detail of an infusion chamber cooperating with a pod according to the invention.
- the first and second contact surfaces are located outside the second peripheral zone.
- the first and second contact surfaces are strictly included in the first peripheral zone.
- the first peripheral zone has rigidity that is strictly inferior to that of the second peripheral zone.
- the thickness of the first peripheral zone is strictly less than the thickness of the second peripheral zone.
- the second peripheral zone comprises at least partly a layer of paperboard.
- the first peripheral zone comprises a complementary layer of cardboard in the extension of the said at least one layer of paperboard of the second peripheral zone, through the closed contour.
- the envelope comprises two sheets integral with the first peripheral zone.
- the first peripheral zone comprises at least partly a third heat-sealable polymer layer stacked with the two sheets of the envelope.
- said third layer extends from the first peripheral zone to the second peripheral zone, through the closed contour
- the first peripheral zone and the second peripheral zone extend in the same plane.
- the first peripheral zone and the second peripheral zone are coplanar, with variations of thickness.
- said plane is a base plane parallel to the first and second contact surfaces.
- the pod has orthogonal symmetry with respect to the base plane.
- the second peripheral zone is part of an angular sector of the base plane having an opening angle of between 30 ° and 360 °.
- the opening angle a is between 150 ° and 210 °, preferably equal to
- the second peripheral zone comprises a gripping tab forming a projection towards the outside of the pod from a base portion of the second peripheral zone,
- the envelope is based on a permeable material.
- the pod comprises:
- a casing forming a housing containing a product or a material whose aroma is to be extracted (it can be ground coffee or vegetable leaves, such as tea leaves, chopped) via a chamber of infusion;
- a first peripheral zone around the housing advantageously carrying a first and a second contact surface situated on opposite sides of the pod and intended to cooperate by contact with the periphery of the infusion chamber, forming at this point a gasket sealing taken by vice of parts of the infusion chamber when the infusion chamber is closed, and
- a second peripheral zone distinct from the first peripheral zone and bordering it at least in part, advantageously having properties mechanical different from those of the first peripheral zone, and then forming for example a holding member integral with said first peripheral zone, and located outside the infusion chamber in its closed position.
- the housing and the first peripheral zone (which can serve or participate in the seal function) constituting the central portion of the pod are intended to cooperate with the infusion chamber, unlike the second peripheral zone (which may include a holding member), which is intended to remain outside the brewing chamber.
- the holding member refers to at least part of the second peripheral zone.
- the second peripheral zone is not in contact with the hot water flowing in the infusion chamber during a brewing step by a user.
- the mechanical strength of the holding member is preserved and greatly facilitates the handling of the pod after the brewing step.
- the risk of burning the user decreases significantly.
- the handling of the pod by the user via the holding member is thus greatly improved, while the seal contributes to the optimal progress of the infusion step.
- At least one characteristic taken from a material, a thickness and a rigidity, for example, makes it possible to differentiate the seal and the holding member.
- the first peripheral area surrounds the housing so as to form a belt around it.
- the second peripheral zone extends from the first peripheral zone opposite the housing, so as to form an extension external to the first peripheral zone.
- the second peripheral zone surrounds at least part of the first peripheral zone.
- the stiffness of a material is characterized by its modulus of elasticity E (or Young's modulus).
- E modulus of elasticity
- a shaping process such as stamping, rolling or hammering, for example, can significantly modify the Young's modulus of this material.
- a partially stamped cardboard may have a variation in thickness and a variation in rigidity, while its chemical composition remains unchanged.
- the rigidity of a zone may vary according to its structure (including the thickness and / or the conformation) and / or according to its material or materials (and therefore the Young's modulus of the materials); these parameters can be adapted to create a discontinuity of rigidity between the first zone peripheral and the second peripheral zone, preferably locating this discontinuity at the closed outer contour of the first peripheral zone.
- an angular sector is defined by the intersection of two half-planes included in the same plane as the first peripheral zone, and whose boundaries are intersecting at a point corresponding to the center of the housing of the pod.
- a first embodiment of the pod 1 according to the invention includes a casing 2 forming a housing 3 in which there is a grinding of the product 4 to be infused.
- the weight of the grind may be between 6 and 30 grams, and preferably between 7 and 10 grams.
- the envelope 2 extends on a first peripheral zone 5, preferably annular, and on a second peripheral zone 7 comprising a holding member 71.
- the first peripheral zone 5 is delimited on the one hand by a closed inner contour bordering the housing 3 and on the other by a closed outer contour 6.
- the inner and outer contours can be likened to circles for example, if the central portion of the pod 1 substantially adopts a saucer shape.
- the difference between the outer and inner diameters of the first annular peripheral zone 5, which is defined as being the width of this zone, can be between 2 mm and 20 mm.
- the second peripheral zone 7 can also be annular. It is delimited by the closed contour 6 on the one hand and by an outer diameter on the other hand, so that the first and second peripheral zones 5 and 7 are concentric and share the closed contour 6 as a common boundary.
- the internal and external contours of this second peripheral zone 7 can also be likened to circles for example.
- the difference between the outer and inner diameters of the second peripheral zone 7, which is defined as being the width of this zone, can then be between 2 mm and 25 mm.
- the first and second peripheral zones 5 and 7 may have a non-circular profile, for example rectangular or square, possibly with rounded corners.
- the first peripheral zone 5 may also have a circular closed contour 6 while the second peripheral zone 7 has an outer shape contour different, for example rectangular or square, or free form, serrated, for example.
- the first and second peripheral zones 5 and 7 preferably extend in the same base plane. This plane may be a plane of symmetry for the pod 1, so that it has two identical sides advantageously simplifying its use by a user.
- the first and second peripheral zones 5 and 7 are preferably coplanar.
- the pod 1 may also have a symmetry of revolution relative to an axis perpendicular to the base plane and passing through the center of the housing 3.
- the pod 1 may have a symmetry with respect to a plane perpendicular to the base plane, sharing in two superposable parts a tongue 72 projecting from the holding member 71 for example.
- the first peripheral zone 5 preferably comprises at least two sheets 21, 22 (it may be sheets based or made of filter paper) which also form at least part of the envelope 2.
- the thickness of a sheet 21, 22 can vary between 50 ⁇ and 200 ⁇ .
- These two sheets 21, 22 may advantageously be assembled hermetically with each other at the level of the first peripheral zone 5, so as to close the housing 3 containing the product 4 to be infused.
- this assembly is made by welding.
- the two sheets 21, 22 of the envelope 2 may comprise a filter paper containing a proportion of heat-sealable polymer such as polyester, for example. This solution advantageously simplifies the assembly of the two sheets 21, 22.
- the welding can be carried out via a third layer 501 interposed between two sheets 21, 22 of filter paper which can then be natural.
- This third layer 501 may be annular and is preferably limited at least by the inner diameter of the first peripheral zone 5. This solution advantageously allows to exclude any polymer from the housing 3 of the pod 1.
- the third layer 501 may also be attached by the outer face of one or the other of the sheets, the polymer being able to diffuse in the thickness of the stack when sufficient amounts of heat and / or pressure are applied. It is also possible to use two layers 501, one per sheet 21, 22 respectively.
- the sheets 21, 22 and possibly the third layer 501 form a stack of layers that can serve as a seal 50.
- This seal 50 is intended to cooperate by contact with a first part 1 1 1 and a second portion 1 12 of an infusion chamber 1 1, said parts being generally facing one another.
- the seal 50 thus comprises a first contact surface 51 and a second contact surface 52, opposite to the first surface 51. These two contact surfaces 51, 52 are preferably parallel to each other and parallel to the plane of the first peripheral zone 5. , so that the seal 50 is a flat seal.
- the thickness of this flat seal 50 can be between 100 ⁇ and 1 mm for example, preferably equal to 200 ⁇ plus or minus 50 ⁇ tolerance. In a configuration illustrated in FIG.
- the use of natural filter paper for the sheets 21, 22 and the use of heat-sealable polyester for the third layer 501 provides a cost-effective 50 seal of standard quality, ensuring good cooperation with the parts 1 1 1 and 1 12 of the infusion chamber 1 1 in particular in a closed position thereof.
- the second peripheral zone 7 preferably comprises two sheets 21, 22 also forming the envelope 2 and at least one layer 70, made of paperboard, for example.
- This layer 70 may preferably be intermediate, that is to say located between the sheets 21, 22, or reported on or under one or the other of the sheets 21, 22. This layer 70 is advantageously assembled to said sheets 21, 22.
- the sheets 21, 22 of the envelope 2 may partially or completely cover two opposite faces 701, 702 of the intermediate layer 70. This latter possibility makes it possible in particular to limit the number of cutting steps during the assembly process of the pod. 1, while advantageously maintaining an attractive appearance of the pod 1 for a user.
- the assembly of the sheets 21, 22 with the intermediate layer 70 may require the use of an adhesive or a heat-sealable material at the overlap surfaces between the sheets 21, 22 and the opposite faces 701, 702.
- this assembly is made by welding.
- the two sheets 21, 22 or the interlayer 70 may contain a proportion of heat-sealable polymer such as polyester, for example.
- This solution advantageously simplifies assembly of the assembly.
- one or more intermediate layers of assembly 703 of heat-sealable polymer for example may be interposed between the opposite faces 701, 702 of the intermediate layer 70 and the sheets 21, 22 of natural filter paper.
- Another possibility may be the use of an interlayer 70 of heat-sealable polymer-coated cardboard on each side 701, 702. This coating may be prior to a step of cutting the intermediate layer 70, so that the assembly is simplified.
- the sheets 21, 22, the intermediate layer 70 and optionally the intermediate assembly layer or layers 703 form a stack of layers which can advantageously serve as a holding member 71.
- This holding member 71 makes it possible in particular to stiffen the periphery of the pod 1 by acting as an armature.
- the holding member 71 preferably has a rigidity greater than that of the first peripheral zone 5.
- the holding member 71 is preferably located outside the infusion chamber 1 1 when the pod 1 is placed in the infusion chamber January 1, especially in the closed position. Therefore, the holding member 71 is not subjected to contact with the hot water flowing into the brewing chamber 1 1 during a brewing step by a user.
- the thermal conductivity of the second peripheral zone 7 is preferably low. Since the holding member 71 remains outside the infusion chamber 1 1 during the infusion step, the final temperature of the organ 71 at the end of the infusion stage advantageously remains close to the initial temperature, typically the ambient temperature, of this member 71 before infusion. The risk of burns of the user after the infusion step are thus minimized.
- the use of cardboard for the interlayer 70 of the holding member 71 makes it possible to produce an economic member 71 and to delay the impregnation with hot water of said member 71. The rigidity of the holding member 71 is thus advantageously preserved.
- This holding member 71 is preferably substantially annular, flat and parallel to the plane of the second peripheral zone 7.
- the pod 1 may thus have two identical opposite faces, so that the user can place said pod 1 in an infusion group without any particular precaution as to the orientation of the faces facing an infusion chamber of the brew group.
- the holding member 71 may be a crown whose outer contour is free form for example.
- the thickness of the holding member 71 may be between 200 ⁇ and 2 mm for example, preferably equal to 400 ⁇ plus or minus 50 ⁇ tolerance.
- the thickness of the holding member 71 is advantageously greater than the thickness of the flat seal 50, so that the latter forms a groove between the housing 3 and the closed contour 6 facilitating the introduction of the pod 1 between the two parts 1 1 1, 1 12 of the infusion chamber 1 1 of the infusion group 10.
- a combination of materials preferred for the assembly of the pod 1 is the use of natural filter paper for the sheets 21, 22 of the casing 2, the use of heat-sealable polymer for the third layer 501 and the use of cardboard heat-sealable polymer coating for the interlayer 70 of the holding member 71.
- Other combinations of materials can however be envisaged.
- the material constituting the sheets 21, 22 of the envelope 2 may be chosen from natural filter paper, filter paper containing a proportion of heat-sealable polymer such as polyester for example, polyurethane and aluminum.
- 71 may be selected from cardboard, heat-sealable polymer-coated cardboard such as polyester for example, polyurethane and aluminum.
- the holding member 71 of the second peripheral zone 7 comprises a radial projection intended to improve the grip of the pod 1 between the thumb and forefinger of a user.
- This projection may therefore have a tongue shape 72, preferably rounded and devoid of sharp angles, whose dimensions are substantially compatible with those of the end of a finger.
- the tongue 72 preferably comprises the same combinations of materials and thicknesses as the holding member 71 in continuity with the latter, so that the manufacture of such a tongue is advantageously limited to the same assembly and processing steps. cutting required for the manufacture of the holding member 71.
- the tongue 72 may be present, for example two tabs located on opposite areas of the pod 1.
- the tongue 72 may also be oriented in a plane different from the base plane comprising the first and second peripheral zones 5, 7, after a folding step for example.
- the pod 1 according to a second embodiment comprises in particular a holding member 71 including at least two elements 71 1, 712 located on either side of the sheets 21, 22 of the envelope 2, so that said sheets 21, 22 are located between the elements 71 1, 712.
- These two elements 71 1, 712 each have a thickness of between 100 ⁇ and 1 mm. Their thicknesses can be equal to each other.
- the shape of these elements 71 1, 712 is preferably substantially annular.
- the difference between the outer and inner diameters of each of these elements 71 1, 712, which is defined as the width of these elements 71 1, 712, is between 2 mm and 15 mm. Their widths can be equal to each other.
- each of the elements 71 1, 712 may be chosen from cardboard, heat-sealable polymer-coated cardboard, polyurethane and aluminum.
- the elements 71 1, 712 are preferably made of the same material.
- the sheets 21, 22 of the envelope 2 completely and integrally cover one face of each of the elements 71 1, 712, facing one another.
- the assembly of the sheets 21, 22 with the elements 71 1, 712 may require the use of an adhesive or a heat-sealable material at the overlapping surfaces between the sheets 21, 22 and the facing faces of the elements 71 1,712.
- the assembly of the elements 71 1, 712 with the sheets 21, 22 can advantageously benefit from the presence of the third layer 501 interposed between the sheets 21, 22.
- the porosity of the sheets 21, 22 of paper natural filter can allow a passage of the heat-sealable polymer of the third layer 501 between said sheets 21, 22, so that said heat-sealable polymer also impregnates the facing faces of the elements 71 1, 712 during a welding step.
- the third intermediate layer 501 made of heat-sealable polymer extends continuously from the first peripheral zone 5 to the second peripheral zone 7. This solution makes it possible to limit the assembly steps required at the two peripheral zones 5 and 7.
- the holding member 71 of the second peripheral zone 7 comprises a tongue 72.
- This tongue 72 comprises two parts 721, 722 advantageously comprising the same combinations of shapes, dimensions and materials as the elements 71 1, 712 in the continuity thereof.
- a third embodiment of the pod 1 according to the invention comprises an extension of the layer 70 of the second peripheral zone 7 towards the first peripheral zone 5.
- the seal 50 comprises a complementary layer coming from the extension of the layer 70 of the holding member 71.
- This complementary layer therefore has continuity with the layer 70.
- These layers may preferably be spaced between the sheets 21, 22 of the envelope 2.
- These layers may be made of cardboard or cardboard coated with heat-sealable polymer for example.
- a stamping step of the layer 70 at the first peripheral zone 5 can be performed so as to obtain the complementary layer having the variation of thickness and / or rigidity envisaged above.
- the second peripheral zone 7 is limited by an angular sector as defined at the beginning of the detailed description.
- the second peripheral zone 7 then comprises a holding member 71 substantially having a portion of a ring as illustrated in FIG. 4.
- the angular sector has an opening angle of between 120 ° and 240 °, preferably substantially equal to at 180 °.
- the holding member 71 preferably semi-annular, further comprises a tab 72 aligned along an axis advantageously sharing the angular sector in two equal parts.
- the angular sector comprising the second peripheral zone 7 around the first peripheral zone 5 may be strictly less than 360 ° so as to leave part of the contour 6 of the first peripheral zone 5 free.
- the pod 1 cooperates with an infusion chamber 1 1 of an infusion group 10, as shown in Figure 5.
- the infusion group 10 may comprise a boiler, optionally a pump, so as to deliver hot water into the infusion chamber 1 1, preferably by an upper part 1 1 1 of the infusion chamber 1 1, the drink being delivered by a lower part 1 12 of the infusion chamber 1 1.
- the upper and lower parts 1 1 1, 1 12 can be moved closer or further apart so as to close or open respectively the brewing chamber 1 1.
- the housing 3 of the pod 1 is located in particular inside the chamber. infusion 1 1 in a closed position. Parts 1 1 1, 1 12 may in particular be in the form of cups, positioned facing one another.
- the seal 50 is in particular intended to be gripped by the parts 1 1 1, 1 12 bottom and top of the brewing chamber 1 1, so as to seal said chamber 1 1 at said seal 50 by closing.
- a continuous contact is for example established between the parts 1 1 1, 1 12 of the infusion chamber 1 1 and the contact surfaces 51, 52 of the seal 50.
- the housing 3 can also be in contact with the parts 1 1 1, 1 12 of the infusion chamber 1 1.
- the hot water pressure delivered in the infusion chamber 1 1 may be between 1 and 20 bars for example. It can be greater than or equal to 15 bars.
- the second peripheral zone 7 and subsequently the holding member 71 advantageously remain outside the infusion chamber 1 January.
- the brewing unit 10 comprises guiding means configured to form a slide connection with the second peripheral zone 7 during one or more operating phases.
- two parallel grooves may serve to guide the pod 1, receiving the second peripheral zone 7 by two diametrically opposite edges thereof, the width of the grooves being directed along the thickness of the second peripheral zone 7.
- These means can be used to guide the pod 1 to the brewing chamber 1 1 or to guide after brewing out of said chamber 1 1.
- the second peripheral zone 7 is advantageously more rigid in this context than the first peripheral zone 5 so as to make the guiding of the pod 1 as effective as possible.
- Such guidance may in particular be implemented in a group of infusion 10 employing the gravity of the pod 1 for its phases of movement to and / or out of the infusion chamber 1 1.
- the invention is applicable to machines introducing pods 1 from above, vertically or inclined relative to the horizontal. Nevertheless, an application of the invention relates to pods 1 for machines onboard aircraft, and in this context, the pod 1 will generally be oriented horizontally, which does not exclude a lateral guidance function with the second peripheral zone 7.
- the invention also relates to a method of manufacturing the pod 1.
- the production is pooled to produce several pods simultaneously.
- a first sheet 21 is brought onto a plane provided with cups so as to form a plurality of first cavities each forming part of a housing 3.
- a paperboard web may be fed at the same time to the plane or after the formation of the cavities. Previously, this web is cut, in particular punch, to form openings that will define in negative the inner contour of the second peripheral zone 7, at the contour 6 of the first peripheral zone 5.
- the cavities are then filled with ground coffee or another infusion substance. If the pod 1 is intended to be bulged by its two faces, the filling is configured to form a bulge above the cavities.
- a second sheet 22 is then reported on the assembly.
- An assembly step for example by welding, then makes it possible to secure the cardboard web and the sheets 21, 22; it is particularly easy if the sheet is a cardboard coated with a polymer coating on each of its faces.
- the pods 1 are then singularized by cutting around the second peripheral zones 7. The cutting phases are adapted mutatis mutandis according to the shapes to be given to the second peripheral zone 7, such as a ring provided with a tab 72 protruding for example .
- the holding member 71 may exhibit different polygonal or free shapes (such as a toothed crown for example) extending over the second peripheral zone 7.
- the section of this holding member 71 may also comprise different polygonal shapes such as a triangle or an oval for example.
- the combinations of materials between the casing 2 and the holding member 71 may possibly lead to a more rigid casing 2 than the holding member 71 itself.
- the latter can therefore advantageously serve as thermal insulation for handling the pod 1.
- the constituent layers of the seal 50 may be distributed over the first peripheral zone 5 and / or on the first and second peripheral zones 5 and 7 by a continuous extension of one to the other.
- the constituent layers of the holding member 71 may be distributed over the second peripheral zone 7 and / or the second and first peripheral zones 7 and 5 by a continuous extension of one to the other.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1752423A FR3064252B1 (en) | 2017-03-23 | 2017-03-23 | INFUSION POD |
PCT/EP2018/056438 WO2018172163A1 (en) | 2017-03-23 | 2018-03-14 | Dosage pod for infusion |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3601103A1 true EP3601103A1 (en) | 2020-02-05 |
EP3601103B1 EP3601103B1 (en) | 2021-07-07 |
Family
ID=58779181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18715502.3A Active EP3601103B1 (en) | 2017-03-23 | 2018-03-14 | Dosage pod for infusion |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3601103B1 (en) |
FR (1) | FR3064252B1 (en) |
WO (1) | WO2018172163A1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2709655B1 (en) | 1993-09-06 | 1995-11-24 | Cafes Cie Mediterraneenne | Express coffee machine using ground coffee packaging of the pre-dosed tablet type. |
NL1026068C2 (en) * | 2004-04-28 | 2005-10-31 | Sara Lee De Nv | Pad of the possibly flexible type and assembly of a holder and such a pad. |
PT1784344E (en) | 2004-08-23 | 2009-04-21 | Nestec Sa | Capsule for preparing and delivering a drink by injecting a pressurized fluid into the capsule |
ES2239919B1 (en) * | 2005-03-29 | 2006-11-16 | Dual Coffee System, S.L. | CONTAINER CAPSULE OF GROUND PRODUCTS FOR THE OBTAINING OF INFUSIONS. |
FR2897047B1 (en) * | 2006-02-07 | 2008-05-02 | Cie Mediterraneenne Des Cafes | PACKAGING FOR INFUSER SUBSTANCE |
EP2230195B1 (en) * | 2009-03-19 | 2018-04-25 | Nestec S.A. | Capsule with filtering insert for preparing a coffee beverage |
-
2017
- 2017-03-23 FR FR1752423A patent/FR3064252B1/en not_active Expired - Fee Related
-
2018
- 2018-03-14 WO PCT/EP2018/056438 patent/WO2018172163A1/en unknown
- 2018-03-14 EP EP18715502.3A patent/EP3601103B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2018172163A1 (en) | 2018-09-27 |
FR3064252B1 (en) | 2021-04-30 |
EP3601103B1 (en) | 2021-07-07 |
FR3064252A1 (en) | 2018-09-28 |
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