EP3094574B1 - Packaging for a substance to be infused - Google Patents

Packaging for a substance to be infused Download PDF

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Publication number
EP3094574B1
EP3094574B1 EP15700553.9A EP15700553A EP3094574B1 EP 3094574 B1 EP3094574 B1 EP 3094574B1 EP 15700553 A EP15700553 A EP 15700553A EP 3094574 B1 EP3094574 B1 EP 3094574B1
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EP
European Patent Office
Prior art keywords
packaging
support
previous
frame
joint
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EP15700553.9A
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German (de)
French (fr)
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EP3094574A1 (en
Inventor
Jean-Pierre Blanc
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.)
Compagnie Mediterraneenne des Cafes SA
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Compagnie Mediterraneenne des Cafes SA
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Publication of EP3094574A1 publication Critical patent/EP3094574A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8046—Pods, i.e. closed containers made only of filter paper or similar material

Definitions

  • the present invention relates to a packaging for a substance to be infused, as well as to a system comprising this packaging and a support.
  • the assembly can cooperate with a machine for preparing beverages, in particular coffee (or other substance such as tea) for the production of beverages by an extraction technique, or leaching, by gravity flow of hot water through infusible material, without the implementation of overpressure for forced circulation of water.
  • the manufacture of beverages, and in particular coffee-based beverages by the so-called "filter coffee” technique uses a machine generally comprising a water tank, a water heating element, a dispensing head hot water in the direction of a support often in the form of a hopper and a filter for example filter paper, placed in the hopper.
  • the filter is filled with coffee grounds and the water flows through until the delivery of the drink, at the bottom of the machine.
  • the user can thus realize varying amounts of coffee. Nevertheless, this technique involves handling of coffee grounds and manual dosing.
  • Patent publication is known FR 2874 210 A1 a packaging for infusing a material comprising two layers based on filter paper and a peripheral reinforcement.
  • the invention relates to a packaging for infusion by gravity flow of a fluid through an infusable material, adapted to cooperate with a drink preparation machine support.
  • the package includes a pouch containing a dose of infusible material and a peripheral portion around the pouch.
  • the peripheral portion may comprise an armature adapted to be applied, under the effect of the weight of the packaging, on a bearing surface of the support and a seal provided with a sealing edge capable of being applied. on a side wall of the support transverse to the bearing surface.
  • an effective seal is produced between the periphery of the package and the support.
  • the pocket is effectively held by the frame. Therefore, the infusion is made on receipt of a volume of water heated by the top of the packaging, without leaking problem even if the water strongly fills the support. This is favorable for a good infusion, because the flow of water is distributed homogeneously through the milling.
  • the seal is formed independently of the pocket containing the substance to be infused. The volume occupied by the latter can therefore be freely chosen according to the quantity of beverage to be produced and the properties of the material to be infused. For example, in the case of ground coffee, it can be packaged not packed in the pocket so as to have a fairly fast flow avoiding too long infusion times by excessive pressure losses due to the resistance of the grinding in the pocket.
  • the invention makes it possible to differentiate the dose-maintaining function in the support, for example by suspension via the armature which supports the weight of the entire package and optionally the charged water, and the peripheral sealing function on the side wall of the support.
  • the seal is free to deform only according to the constraints imposed by the wall of the support and not, for example, under the effect of the weight of the packaging. This ensures a regular and effective application of the sealing edge on the side wall.
  • This also offers a greater choice for selecting the most efficient materials, shapes and sizes, distinctly for the reinforcement and for the joint.
  • the sealing may be supplemented by other means, for example at the support on the bearing surface of the support.
  • the present invention relates to a coffee machine having a hot water dispensing head and a system according to the invention.
  • the invention also relates to a system for gravity infusion without overpressure, an infusable material comprising a support mountable or integrated in a machine for preparing drinks, and a packaging.
  • the placement takes place with a sliding insertion of the packaging into the support.
  • the invention relates to a use of the packaging in an infusion beverage machine and / or the system of the invention, for preparing a beverage, in particular by gravity flow of heated water.
  • the water loading of the loading space can be fast and the flow through the progressive conditioning, with lowering of the water level in the loading space.
  • the invention relates to a packaging for the gravitational flow infusion of a fluid through an infusible material, comprising a pocket containing a dose of the infusible material and a peripheral portion, this portion comprising a reinforcement and a seal provided with a sealing edge, the border and the armature being non-coplanar.
  • an infusion drink principle relies on the gravitational flow of water, which is generally heated beforehand, through a material to be infused, for example ground coffee.
  • the quantities of infusible material are various and generally greater than 20 g, and advantageously of the order of 30 g.
  • the amounts of milling are often significantly higher and the leaching takes place in a non-forced manner, that is to say without additional pressure for the extraction of aromas.
  • the gravity flow is carried out inside a volume defined in part by the wall 5 of a support 21, and in the lower part, by a packaging that is reportable in the support 21.
  • This volume forms a loading space 7 for receiving water.
  • the packaging is of the disposable type so that the user can easily handle the grind 17 both for the insertion of the packaging in the support 2 and for its evacuation when the packaging is used.
  • the direction 18 visible in figure 2 advantageously represents the mean direction of flow which is generally vertical in use.
  • the packaging, or at least the pocket 8 has an axial symmetry around this direction.
  • the term "transverse” or “width” means a direction having at least one component perpendicular to the direction 18.
  • the packaging advantageously comprises a grinding receiving volume 17 or other substances to be infused at a pocket 8.
  • the pocket 8 is at least partially defined by walls in the form of two sheets 9, 10 preferably made so as to allow filtration. It is preferably sheets of material or filter paper but this solution is not limiting.
  • the filter paper has a basis weight of 15 to 30 g / m 2 and a thickness of between 0.1 and 1 mm.
  • the grind 17 is advantageously unpacked, that is to say that it has a freedom of movement in the pocket 8, a pocket whose volume is advantageously greater by at least 20% to the volume of unpacked coffee to condition.
  • a certain deformability of the pocket 8 is possible.
  • the unpacked nature of the grind 17 is an advantageous condition for producing long-lasting coffee of good quality, the gravity flow having to operate with limited head losses to be effective.
  • a consequence of the non-crushing of the grind 17 is that the pocket 8 has, in the presence of only sheet 9, 10 of the filter paper type, a relative deformability.
  • the present invention advantageously uses a reinforcement 11 in a material which is more rigid than that used for the plies 9, 10.
  • the reinforcement 11 can be made from a sheet of cardboard, for example of thickness greater than 0.2mm.
  • the sheet of paperboard is coated on at least one of its two faces by a thin layer of polymeric material, such as polyethylene, to allow assembly with the plies 9, 10 and / or the seal 20 described above. after by a thermal welding.
  • the figure 3 shows an example of assembly zones at which the weld can be made between the ply 10 and the reinforcement 11.
  • figure 8 shows a variant according to which the armature 11 is assembled on an assembly zone with the two plies 9, 10 each by a face of the armature 11. This assembly is advantageously operated all around the pocket 8 so as to close the pocket 8 by establishing a peripheral portion 22 of the package.
  • the figures show examples of packaging having an axial symmetry in the direction 18, the profile of the packaging being circular, both at its outer edge, and at the level of the pocket 8.
  • An alternative non-limiting is such that the profile is substantially rectangular (for example with rounded corners), just like the pocket 8.
  • the direction 18 represents, in the operating position, the vertical direction.
  • the periphery of the packaging may be substantially rectangular while the profile of the pocket 8 may be substantially circular. Any form or combination of forms is within the scope of the present invention.
  • the armature 11 is advantageously formed from a cut sheet so as to adopt the profile as visible at figures 4 and 9 . It may be a ring, possibly inner section and / or outer non-circular. The width of the ring may be between 8 mm and 15 mm and advantageously 10 mm.
  • the armature is preferably a closed surface so as to offer a continuous contact on the support surface 1 of the support 21. This may participate in sealing and at least distribute the forces due to the recovery of the weight of the packaging and possibly water.
  • the heated water is brought to be introduced into the loading space 7.
  • the present invention has means for sealing in the zone of cooperation between the support 21 and the packaging.
  • the packaging advantageously has a sealing edge 13 located at the periphery of the packaging, on a part called seal 20, and adapted to cooperate with surfaces described below in more detail of the support 21.
  • the seal 20 is preferably formed from a sheet of material advantageously more rigid than those of webs 9, 10, for example paperboard coated on at least one of its two faces by a thin layer of polymeric material, such as polyethylene, to allow assembly with the plies 9, 10 and / or the armature 11 by a thermal weld.
  • the seal 20 and the frame 11 can be made in one and the same piece.
  • the seal 20 is less rigid than the armature, for example with a lower thickness.
  • the seal 20 may be an extension of the frame with a smaller thickness.
  • a preferred embodiment consists of forming distinctly joint 20 and reinforcement 11, with different parts so as to select the best geometric properties, mechanical and materials of these two parts of the packaging.
  • the seal 20 may be of the same material as the armature 11 but in a lesser thickness, for example the paperboard previously indicated, from a sheet of thickness not exceeding 0.15 mm.
  • the armature 11 and the seal 20 overlap and have an area vis-à-vis one another. Another portion of the seal extends beyond the periphery of the package beyond the area where the armature 11 is present.
  • This protruding portion 2 may represent from 20 to 50% of the width of the ring forming the seal, for example between 2 and 4 mm for a ring 13 mm wide. Thus, the projecting portion may for example be 3 mm wide.
  • the projecting portion 2 has a convex shape directed upwards in the direction of flow 18, so as to promote its deformation with this orientation in contact with the wall 5.
  • This convex shape is preferably curvilinear to promote the flexibility of the part overflowing 2 and its elastic deformation during the operating phases.
  • the convex shape of the lower face 23 of the portion 2 produces a flared zone at the periphery of the upper face of the package (ie the face facing the load space 7). This gives, in use, a cup shape to the upper face that receives the water.
  • the areas of the armature 11 and the overlapping gasket 20 are integrally integral, either directly because they are in contact and assembled, or indirectly (for example with an intermediate web 9).
  • another embodiment consists in preserving a relative mobility of the zones of the armature 11 and the gasket 20 facing each other.
  • the deformation of the seal 20 whose edge 13 is supported on the side wall 5 causes a portion of the seal 20 facing the frame 11 to be displaced.
  • a portion free 4 of the seal portion on which the seal 20 is not secured to the frame 11.
  • This solution increases the mobility of the seal 20 to increase its application on the side wall 5.
  • the free portion 4 can represent from 30 to 60 % of the overlap width of the armature 11 and the seal 20. For example, for a lap of 10 mm wide, the weld can be 6 mm.
  • the seal 20 is located above the armature that is to say more towards the upper face of the packaging. In this way, the deformation of the seal 20 tending to lift it towards the interior of the loading space 7 has little or no influence on the armature 11.
  • the stack of layers is as follows: starting from the upper face of the packaging, the sheet 9 covers the bag 8 of ground coffee and extends on the peripheral portion 22 so as to participate in the assembly of the layers; below, the seal 20 extends between the ply 9 and the armature 11. The latter covers the periphery of the lower ply 10. The assembly can be done by welding.
  • the Figures 6 to 10 show a variant in which the ply 9 is interposed between the gasket 20 and the armature 11.
  • the ply 10 is between the reinforcement 11 and the support surface 1, especially when it is filter paper. Indeed, in case of imperfect sealing of the seal 20, the web 10 thus forms an additional seal, the filter paper is a good barrier to water once a little soaked.
  • the sealing edge 13 is formed as a distal end of the seal 20.
  • a terminal winding of the seal may be formed so that the edge has a rounded curved shape.
  • the shape of a winding is advantageous especially in combination with a cardboard gasket 20. Indeed, this winding is easy to manufacture and allows for a superposition of layers of paperboard which can then be deformed in a simple manner and without hard point without the exercise of too great a force.
  • the winding comprises at least one turn and a half on the seal 20.
  • the winding is advantageously made so as to be directed towards the lower face of the packaging corresponding to the face at which the pocket 8 is projecting.
  • the winding thus formed forms an outer diameter at least equal to 1 millimeter.
  • the packaging further comprises a reinforcement 14 ensuring a stiffening of the periphery of the pocket 8, advantageously located at the side wall 25 of the pocket 8, leaving free a bottom portion 24.
  • the reinforcement may have a cylindrical shape, of any carrier but preferably circular, and direction parallel to the direction 18.
  • the circular cross-sectional shape and directed downwards, opposite the load space 7 can be obtained as in figure 2 .
  • the reinforcement 14 comprises or consists of a sheet shaped as a cylinder and lining the side wall 25 of the pocket (this wall is substantially parallel to the axis 18 in the illustration, while the bottom 24 is the end bottom of the pocket and may be flat or slightly curved, and substantially perpendicular to the direction 18).
  • the figures 4 and 9 illustrate a reinforcement 14 in the form of an insertable ring in the pocket 8.
  • the reinforcement 14 can also be applied to the side wall 25 from the outside of the volume 17.
  • Pocket 8 and reinforcement 14 are either adjusted or assembled, particularly by welding.
  • the reinforcement 14 can be made from a sheet of paperboard, for example of thickness less than or equal to 0.15 mm.
  • the paperboard sheet is coated on at least one of its two faces by a thin layer of polymeric material, such as polyethylene, to allow assembly by thermal welding.
  • the reinforcement 14 does not completely obstruct the passage of water at the side wall 25.
  • holes 6 may be formed in the reinforcement 14.
  • the diameter of the holes is preferably greater than 1 mm or even much more so as not to offer too much resistance to flow. and / or the holes occupy preferably less than 50% of the surface of the reinforcement 14.
  • the flow direction 18 through the bottom 24 is preferred, because without the obstacle of the reinforcement 14, for a flow of drink sufficiently channeled.
  • the reinforcement 14 is derived from the manufacturing process of the reinforcement 11 or the seal 20. More specifically, during the formation of one of these two pieces from a portion of a particular sheet of card stock , a cut into quarters (from the center, so that the cuts are in star) of the part of the sheet located in the center of the frame 11 or the seal 20 allows, after folding inwardly of the pocket 8, to produce stiffener legs.
  • the reinforcement 14 extends at its upper end 15 to bear on the frame 11.
  • the assembly is all the more rigid to maintain the shape of the pocket 8 without any need to tamp the grind .
  • the pocket 8 has a height preferably between 2 and 4 cm, especially 3.5 cm.
  • a cup shape is advantageous for the projecting portion 20 of the seal 2, either by a conformation at rest, or by a deformation in contact with the side wall, these two effects can be cumulated.
  • This form concentrates the support of the water placed in the loading space 7 in order to increase the sealing force of the border 13.
  • the upper face of the packaging advantageously comprises a recess. at the level of the ply 9 so as to form a bowl surrounded by the peripheral portion 22.
  • the shrinkage 12 extends for example over a height (in the direction 18) at least equal to the thickness of the armature.
  • the shrinkage 12 thus defines an edge 19 relative to the peripheral portion 22, edge 19 preferably wedged by the ply 9.
  • the shrinkage 12 promotes the central flow of water and can allow interlocking two superposed conditioners.
  • the zone of the packaging at which the sealing edge 13 is located is adapted to come into contact with a bearing surface 1 so as to hold the packaging in position inside the support 21
  • the bearing surface 1 is integral with a body portion of the support 21 and can be made with it in a one-piece manner, for example in a single piece, in particular a plastic part, defining the volume of the loading space 7.
  • the support surface 1 and the peripheral portion 22 will advantageously be made with corresponding circular profiles.
  • the seal 20 is in contact with the side wall in the infusion position as in figure 10 .
  • the bearing surface 1 defines a hole forming a lower opening of the support 21 that the pocket 8 can pass through.
  • the low opening is only slightly larger than the section of the pocket 8. The latter is thus in suspension and the weight and pressure of water pressure are mainly taken up by the frame 11.
  • the holder 21 or another part of the machine may have a funnel portion opening through an outlet.
  • the shapes and dimensions of the different surfaces are adapted to the shape and the dimension of the sealing edge 13 on which they must be applied.
  • the side wall 5 of the support is a cylindrical wall.
  • the outer diameter of the package may be between 90 and 120 mm and for example equal to 106 mm.
  • the diameter of the volume of powder 18 may be between 70 and 90 mm and for example 80 mm. Its height, in the direction 18 may for example be between 20 and 40 mm, for example 25 mm for 30 grams of ground.
  • the water loading space 7 Since the infusion takes place by gravity flow of water, it is particularly advantageous for the water loading space 7 to have a longitudinal direction corresponding to a mean direction of flow 18, as in the case represented in FIG. figure 1 .
  • the packaging comprises a position perpendicular to this direction when it is in the infusion position, as in the case of figure 1 .
  • the peripheral portion 22 of the packaging is advantageously placed on the bearing surface 1 so as to be perpendicular to the direction 18.
  • the assembly advantageously forms a symmetrical system axially relative to the direction 18. This favors the homogeneous flow of water through the grind 17.
  • the operator may for example insert the packaging through an opening of the support body 21 located opposite the bearing surface 1.
  • a sliding of the packaging causes its peripheral portion 22 in contact with the surface of the 1.
  • the sealing edge 13 is applied to the side wall 5 of the support 21 so that the support 21 and packaging cooperate in two directions of support.
  • the coffee machine equipped with the system of the invention typically comprises a cold water tank and means for heating and conveying hot water to a dispensing head above of the system previously described.
  • the dispensing head gradually and slowly loads the loading space 7 in the form of a variable frequency drop.
  • the heating of the water is faster and a steady flow of hot water is made to the cargo space 7.
  • the hot water is brought to quickly fill a large part of the loading space 7 above the packaging.
  • the figure 11 illustrates a variant.
  • the holes 6 are relatively large in diameter, for example between 8 and 12 mm and / or between 30% and 70% of the height of the pocket 8. At their horizontal diameters, perpendicular at the axis 18, the holes can occupy between 30% and 70% of the circumference of the pocket 8. Moreover, the holes 6 can be located towards the base of the pocket 8, having their center more towards the part of bottom 24 only towards the wall 12.
  • the reference 4 in figure 11 and the detail of the figure 12 shows also another variant, in the embodiment of the recessed wall 12 which is of a height h more pronounced than in the previous examples.
  • the height of the recess 12 is in this case for example between 5 and 15 mm and in particular equal to 10 mm and / or is between 20% and 40% of the overall height of the packaging. It will be seen that this height can serve, in addition to constituting a water accumulation zone, to promote a nesting of packaging.
  • An advantage of the present invention is that it also makes it possible in an advantageous embodiment to produce beverage products from a plurality of packages.
  • it is possible to superimpose packages similar to that previously described so that the water flows through an increased amount of ground 17.
  • it is possible to use identical packages and to superimpose them so that their upper and upper faces vis-à-vis respectively.
  • a lower package will be placed so that the lower face of the peripheral portion 22 is applied to the bearing surface 1 as in the figures.
  • a second conditioning is then reported in superposition so that its lower face bears on the upper face of the first packaging. In the case where the latter has a withdrawal, it may be the place of nesting, possibly slightly in force, of the two packages.
  • the sealing of the paperboard has the advantage of producing a flexible deformation without hardening of the material, which could lead to leakage losses, as could be the case with rigid plastics or aluminum. .
  • the present invention does not exclude the use of this type of material.

Description

DOMAINE TECHNIQUETECHNICAL AREA

La présente invention est relative à un conditionnement pour une substance à infuser, ainsi qu'à un système comportant ce conditionnement et un support. L'ensemble peut coopérer avec une machine de préparation de boissons, en particulier de café (ou autre substance telle du thé) pour la production de boissons par une technique d'extraction, ou encore lixiviation, par écoulement gravitaire d'eau chaude au travers de la matière infusable, sans la mise en oeuvre de surpression pour la circulation forcée de l'eau.The present invention relates to a packaging for a substance to be infused, as well as to a system comprising this packaging and a support. The assembly can cooperate with a machine for preparing beverages, in particular coffee (or other substance such as tea) for the production of beverages by an extraction technique, or leaching, by gravity flow of hot water through infusible material, without the implementation of overpressure for forced circulation of water.

ETAT DE LA TECHNIQUESTATE OF THE ART

La fabrication de boissons, et en particulier des boissons à base de café par la technique dite de « café filtre », met en oeuvre une machine comportant généralement un réservoir d'eau, un élément de chauffage de l'eau, une tête de distribution d'eau chaude en direction d'un support souvent sous la forme d'une trémie et un filtre par exemple en papier filtre, placé dans la trémie.The manufacture of beverages, and in particular coffee-based beverages by the so-called "filter coffee" technique, uses a machine generally comprising a water tank, a water heating element, a dispensing head hot water in the direction of a support often in the form of a hopper and a filter for example filter paper, placed in the hopper.

Le filtre est rempli de mouture de café et l'eau s'écoule au travers jusqu'à la délivrance de la boisson, en partie basse de la machine. L'utilisateur peut ainsi réaliser des quantités variables de café. Néanmoins, cette technique implique une manipulation de mouture de café et son dosage manuel.The filter is filled with coffee grounds and the water flows through until the delivery of the drink, at the bottom of the machine. The user can thus realize varying amounts of coffee. Nevertheless, this technique involves handling of coffee grounds and manual dosing.

On a proposé des dispositifs permettant la production de café filtre, avec des doses de mouture emballées. US 7 644 653 s'inscrit dans ce cadre avec une dose coopérant avec un support par leurs pourtours. Selon ce document, l'eau chargée par le dessus du support s'écoule au travers de la dose. Néanmoins, le conditionnement de café moulu n'est visiblement pas à même de permettre un remplissage en eau du support car le conditionnement paraît impropre à une tenue mécanique et une étanchéité suffisantes.Devices for the production of filter coffee have been proposed with packaged milling doses. US 7,644,653 fits within this framework with a dose cooperating with a support by their perimeters. According to this document, the water charged by the top of the support flows through the dose. Nevertheless, the conditioning of ground coffee is obviously not able to allow a water filling of the support because the packaging seems unsuitable for sufficient mechanical strength and tightness.

On connait de la publication brevet FR 2874 210 A1 un conditionnement pour l'infusion d'une matière comprenant deux couches à base de papier filtre et un renfort périphérique.Patent publication is known FR 2874 210 A1 a packaging for infusing a material comprising two layers based on filter paper and a peripheral reinforcement.

Il existe un besoin pour un système permettant de réaliser des infusions par écoulement gravitaire de l'eau de manière améliorée, tout en employant des conditionnements de substance à infuser.There is a need for a system for making gravity flow infusions of water in an improved manner while employing substance packages to be infused.

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

Suivant un premier aspect, l'invention concerne un conditionnement pour l'infusion par écoulement gravitaire d'un fluide au travers d'une matière infusable, apte à coopérer avec un support de machine de préparation de boissons. Le conditionnement comprend une poche renfermant une dose de matière infusable et une portion périphérique autour de la poche.According to a first aspect, the invention relates to a packaging for infusion by gravity flow of a fluid through an infusable material, adapted to cooperate with a drink preparation machine support. The package includes a pouch containing a dose of infusible material and a peripheral portion around the pouch.

De manière avantageuse, la portion périphérique peut comporter une armature apte à s'appliquer, sous l'effet du poids du conditionnement, sur une surface d'appui du support et un joint pourvu d'une bordure d'étanchéité apte à s'appliquer sur une paroi latérale du support transversale à la surface d'appui.Advantageously, the peripheral portion may comprise an armature adapted to be applied, under the effect of the weight of the packaging, on a bearing surface of the support and a seal provided with a sealing edge capable of being applied. on a side wall of the support transverse to the bearing surface.

Grâce à cet aspect de l'invention, une étanchéité efficace est produite entre le pourtour du conditionnement et le support. En outre, la poche est maintenue efficacement par l'armature. De ce fait, l'infusion est faite à réception d'un volume d'eau chauffée par le dessus du conditionnement, sans problème de fuite même si l'eau remplit fortement le support. Cela est favorable à une bonne infusion, car l'écoulement de l'eau se répartit de manière homogène au travers de la mouture. En outre, l'étanchéité est formée de manière indépendante relativement à la poche renfermant la substance à infuser. Le volume occupé par cette dernière peut donc être librement choisi selon la quantité de boisson à produire et selon les propriétés de la matière à infuser. Par exemple, dans le cas de mouture de café, celle-ci peut être emballée non tassée dans la poche de sorte à disposer d'un écoulement assez rapide évitant des durées d'infusion trop longues par des pertes de charges trop élevées dues à la résistance de la mouture dans la poche.Thanks to this aspect of the invention, an effective seal is produced between the periphery of the package and the support. In addition, the pocket is effectively held by the frame. Therefore, the infusion is made on receipt of a volume of water heated by the top of the packaging, without leaking problem even if the water strongly fills the support. This is favorable for a good infusion, because the flow of water is distributed homogeneously through the milling. In addition, the seal is formed independently of the pocket containing the substance to be infused. The volume occupied by the latter can therefore be freely chosen according to the quantity of beverage to be produced and the properties of the material to be infused. For example, in the case of ground coffee, it can be packaged not packed in the pocket so as to have a fairly fast flow avoiding too long infusion times by excessive pressure losses due to the resistance of the grinding in the pocket.

Il faut noter que l'invention rend possible la différenciation de la fonction de maintien de la dose dans le support, par exemple par suspension par l'intermédiaire de l'armature qui supporte le poids de l'ensemble du conditionnement et éventuellement de l'eau chargée, et de la fonction d'étanchéité périphérique sur la paroi latérale du support. Ainsi, le joint est libre de se déformer uniquement selon les contraintes imposées par la paroi du support et non, par exemple, sous l'effet du poids du conditionnement. Cela garantit une application régulière et efficace de la bordure d'étanchéité sur la paroi latérale. Cela offre aussi un plus grand choix pour sélectionner les matériaux, les formes et les dimensions les plus performantes, de façon distincte pour l'armature et pour le joint.It should be noted that the invention makes it possible to differentiate the dose-maintaining function in the support, for example by suspension via the armature which supports the weight of the entire package and optionally the charged water, and the peripheral sealing function on the side wall of the support. Thus, the seal is free to deform only according to the constraints imposed by the wall of the support and not, for example, under the effect of the weight of the packaging. This ensures a regular and effective application of the sealing edge on the side wall. This also offers a greater choice for selecting the most efficient materials, shapes and sizes, distinctly for the reinforcement and for the joint.

Même si le joint et la bordure d'étanchéité offrent une étanchéisation forte qui peut suffire, l'étanchéisation peut être complétée par d'autres moyens, par exemple au niveau de l'appui sur la surface d'appui du support.Even if the seal and the sealing edge provide a strong seal which may be sufficient, the sealing may be supplemented by other means, for example at the support on the bearing surface of the support.

Suivant un autre aspect, la présente invention concerne une machine à café comportant une tête de distribution d'eau chaude et un système selon l'invention.In another aspect, the present invention relates to a coffee machine having a hot water dispensing head and a system according to the invention.

L'invention concerne aussi un système pour l'infusion par gravité sans surpression, d'une matière infusable, comprenant un support montable ou intégré dans une machine de préparation de boissons, et un conditionnement.The invention also relates to a system for gravity infusion without overpressure, an infusable material comprising a support mountable or integrated in a machine for preparing drinks, and a packaging.

Suivant une autre possibilité, on présente un procédé de fabrication de boissons par infusion d'une matière infusable, comprenant les étapes suivantes :

  • placement d'un conditionnement dans un support de sorte que la zone périphérique du conditionnement au niveau de laquelle se situe l'armature vienne en appui gravitaire sur une surface d'appui ; éventuellement mise en place d'un conditionnement additionnel sur l'autre ;
  • mise en contact, avantageusement simultanément à l'étape précédente, d'une bordure d'étanchéité du conditionnement sur une paroi latérale du support ;
  • admission d'eau dans un espace de chargement d'eau du support ;
  • écoulement de l'eau au travers de la poche du conditionnement.
Alternatively, a method of making beverages by infusing an infusible material is disclosed, comprising the steps of:
  • placing a package in a holder so that the peripheral zone of the package at which the armature is located comes into gravity support on a bearing surface; possibly setting up additional packaging on the other;
  • contacting, advantageously simultaneously with the previous step, a sealing edge of the packaging on a side wall of the support;
  • admitting water into a water loading space of the support;
  • flow of water through the bag of the packaging.

Suivant une possibilité, le placement s'opère avec une insertion par coulissement du conditionnement dans le support.According to one possibility, the placement takes place with a sliding insertion of the packaging into the support.

Dans un autre cas, l'invention porte sur une utilisation du conditionnement dans une machine de préparation de boissons par infusion et/ou le système de l'invention, pour préparer une boisson, en particulier par écoulement gravitaire d'eau chauffée.In another case, the invention relates to a use of the packaging in an infusion beverage machine and / or the system of the invention, for preparing a beverage, in particular by gravity flow of heated water.

Dans ces procédés, le chargement en eau de l'espace de chargement peut être rapide et l'écoulement au travers du conditionnement progressif, avec baisse du niveau d'eau dans l'espace de chargement.In these processes, the water loading of the loading space can be fast and the flow through the progressive conditioning, with lowering of the water level in the loading space.

Suivant un autre aspect, l'invention concerne un conditionnement pour l'infusion par écoulement gravitaire d'un fluide au travers d'une matière infusable, comprenant une poche renfermant une dose de la matière infusable et une portion périphérique, cette portion comprenant une armature et un joint pourvu d'une bordure d'étanchéité, la bordure et l'armature étant non coplanaires.According to another aspect, the invention relates to a packaging for the gravitational flow infusion of a fluid through an infusible material, comprising a pocket containing a dose of the infusible material and a peripheral portion, this portion comprising a reinforcement and a seal provided with a sealing edge, the border and the armature being non-coplanar.

INTRODUCTION DES DESSINSINTRODUCTION OF THE DRAWINGS

D'autres caractéristiques, buts et avantages de la présente invention apparaîtront à la lecture de la description détaillée qui va suivre et au regard des dessins annexés donnés à titre d'exemples non limitatifs et sur lesquels :

  • la figure 1 présente en vue de dessus un conditionnement selon l'invention dans un premier mode de réalisation préféré.
  • La figure 2 en illustre une vue en coupe transversale suivant les lignes AA de la figure 1.
  • La figure 3 montre un détail de la partie repérée B en figure 2.
  • La figure 4 montre en éclaté des parties constitutives du conditionnement.
  • La figure 5 est un détail de la partie repérée C en figure 4.
  • La figure 6 est une vue de dessus du conditionnement dans un deuxième mode de réalisation.
  • La figure 7 en illustre une vue en coupe transversale suivant les lignes DD de la figure 6.
  • La figure 8 montre un détail de la partie repérée E en figure 2.
  • La figure 9 montre en éclaté des parties constitutives du conditionnement dans ce deuxième mode de réalisation.
  • La figure 10 est un exemple illustrant la coopération entre un support et un conditionnement.
  • La figure 11 montre une variante de l'invention et la figure 12 en est une vue partielle de détail.
Other features, objects and advantages of the present invention will appear on reading the detailed description which follows and with reference to the appended drawings given by way of non-limiting examples and in which:
  • the figure 1 present in top view a packaging according to the invention in a first preferred embodiment.
  • The figure 2 illustrates a cross-sectional view along lines AA of the figure 1 .
  • The figure 3 shows a detail of the part marked B in figure 2 .
  • The figure 4 shows in exploded parts of the packaging.
  • The figure 5 is a detail of the part marked C in figure 4 .
  • The figure 6 is a top view of the packaging in a second embodiment.
  • The figure 7 illustrates a cross-sectional view along the lines DD of the figure 6 .
  • The figure 8 shows a detail of the part marked E in figure 2 .
  • The figure 9 shows in exploded parts of the packaging in this second embodiment.
  • The figure 10 is an example illustrating the cooperation between a support and a packaging.
  • The figure 11 shows a variant of the invention and the figure 12 is a partial view of detail.

DESCRIPTION DETAILLEEDETAILED DESCRIPTION

Avant d'entrer dans le détail des modes de réalisation de l'invention, sont énoncées ci-après des options que peut présenter l'invention, de manière alternative ou selon toute combinaisons :

  • l'armature (11) et le joint (20) sont formés de pièces distinctes ;
  • l'armature (11) est plus rigide que le joint (20) ;
  • la bordure d'étanchéité (13) est située à la périphérie d'une portion débordante (2) du joint (20), ladite portion débordante étant en saillie au-delà de l'armature ;
  • la portion débordante a une largeur au moins égale à 2 mm, et de préférence supérieure ou égale à 3 mm ;
  • la portion débordante (2) est déformable en flexion ;
  • la portion débordante (2) a une forme convexe au repos ;
  • l'armature (11) et le joint (20) comportent des portions superposées ;
  • les portions superposées présentent des zones librement mobiles l'une relativement à l'autre à proximité de la portion débordante (2) ;
  • la largeur des zones librement mobiles est supérieure ou égale à 3 mm ;
  • l'armature (11) est configurée pour supporter le poids du conditionnement ;
  • l'armature (11) est formée au moins en partie à partir d'une feuille d'armature à base de papier cartonné ;
  • la feuille d'armature a une épaisseur supérieure à 0.2 mm ;
  • le joint (20) est formé au moins en partie à partir d'une feuille de joint à base de papier cartonné ;
  • la feuille de joint a une épaisseur inférieure à 0.15 mm ;
  • la bordure d'étanchéité (13) du joint (20) comprend un enroulement du joint (20) sur lui-même ;
  • le conditionnement comprend une première nappe (10) et une deuxième nappe (9), dont l'une au moins est de préférence filtrante et de préférence à base de papier filtre, délimitant la poche (8) ;
  • l'armature (11) est plus rigide que la première et/ou la deuxième nappe (9, 10) ;
  • une zone périphérique de la première nappe (10) est solidaire d'une première face de l'armature (11), une deuxième face de l'armature (11) opposée à la première face est solidaire d'une première face du joint (20), et la deuxième nappe (9) est solidaire d'une deuxième face du joint opposée à la première face du joint (20).
  • une zone périphérique de la première nappe (10) est solidaire d'une première face de l'armature (11), une première face de la deuxième nappe (9) est solidaire d'une deuxième face de l'armature opposée à la première face, et une deuxième face de la deuxième nappe (9) opposée à la première face de la deuxième nappe (9) est solidaire d'une première face du joint (20) ;
  • la poche (8) s'étend à partir de la portion périphérique (22) vers une première extrémité du conditionnement opposée à une deuxième extrémité du conditionnement au niveau de laquelle est située la bordure d'étanchéité (13).
  • la poche (18) comporte une paroi en retrait (12) relativement à l'armature (11) ;
  • le conditionnement comporte un renfort (14) autour d'une paroi latérale de la poche (8) ;
  • le renfort comporte au moins un trou de passage de fluide ;
  • le renfort (14) a une forme cylindrique ;
  • une première extrémité (15) du renfort (14) est au contact d'une première face de l'armature (11) ;
Before going into the details of the embodiments of the invention, are set forth below options that can present the invention, alternatively or in any combination:
  • the reinforcement (11) and the seal (20) are formed of separate pieces;
  • the armature (11) is stiffer than the seal (20);
  • the sealing edge (13) is located at the periphery of an overlying portion (2) of the seal (20), said projecting portion protruding beyond the frame;
  • the projecting portion has a width at least equal to 2 mm, and preferably greater than or equal to 3 mm;
  • the projecting portion (2) is deformable in flexion;
  • the overflowing portion (2) has a convex shape at rest;
  • the armature (11) and the seal (20) comprise superimposed portions;
  • the superimposed portions have freely movable areas relative to each other in the vicinity of the projecting portion (2);
  • the width of the freely movable zones is greater than or equal to 3 mm;
  • the armature (11) is configured to support the weight of the package;
  • the armature (11) is formed at least in part from a paperboard-based reinforcing sheet;
  • the reinforcing sheet has a thickness greater than 0.2 mm;
  • the seal (20) is formed at least in part from a paperboard-based seal sheet;
  • the seal sheet has a thickness less than 0.15 mm;
  • the sealing edge (13) of the seal (20) comprises a winding of the seal (20) on itself;
  • the packaging comprises a first ply (10) and a second ply (9), at least one of which is preferably filtering and preferably based on filter paper, defining the pocket (8);
  • the armature (11) is more rigid than the first and / or second ply (9, 10);
  • a peripheral zone of the first ply (10) is integral with a first face of the armature (11), a second face of the armature (11) opposite the first face is integral with a first face of the joint ( 20), and the second ply (9) is integral with a second face of the seal opposite to the first face of the seal (20).
  • a peripheral zone of the first ply (10) is integral with a first face of the armature (11), a first face of the second ply (9) is integral with a second face of the armature opposite the first face, and a second face of the second ply (9) opposite the first face of the second ply (9) is integral with a first face of the seal (20);
  • the pocket (8) extends from the peripheral portion (22) to a first end of the package opposite a second end of the package at which the sealing edge (13) is located.
  • the pocket (18) has a recessed wall (12) relative to the armature (11);
  • the package comprises a reinforcement (14) around a side wall of the pocket (8);
  • the reinforcement comprises at least one fluid passage hole;
  • the reinforcement (14) has a cylindrical shape;
  • a first end (15) of the reinforcement (14) is in contact with a first face of the armature (11);

L'invention concerne aussi un système pouvant comporter au moins l'une quelconque parmi les options suivantes :

  • le conditionnement est maintenu en une position d'infusion dans le support (2) par appui gravitaire de la portion périphérique (22) au niveau de l'armature (11) sur une surface d'appui (1) du support (21), le support (21) comportant un espace de chargement (7) en eau en amont du conditionnement en position d'infusion ;
  • le contact entre la surface d'appui (2) et le conditionnement est continu ;
  • la surface d'appui (1) délimite un trou traversé par la poche (8) ;
  • la paroi latérale (5) du support (21) est dirigée transversalement, de préférence perpendiculairement, à la surface d'appui (1) ;
  • le contact entre la paroi latérale (5) et la bordure d'étanchéité est continu ;
  • la section transversale de la paroi latérale (5) est configurée pour autoriser le déplacement du conditionnement dans le volume intérieur du support (21) sans contact de la portion périphérique (22) sur la paroi latérale (5) en dehors de la bordure d'étanchéité (13) ;
  • le joint (20) est déformé au contact de la paroi latérale (5) ;
  • le système comporte un conditionnement additionnel similaire au conditionnement, le conditionnement additionnel étant en superposition au-dessus du conditionnement ;
  • la bordure d'étanchéité (13) et la paroi (5) ont un profil circulaire. ;
  • la bordure d'étanchéité (13) et la paroi (5) ont un profil rectangulaire ;
  • le support (21) comporte un corps définissant les parois de l'espace de chargement (7).
The invention also relates to a system that can comprise at least one of the following options:
  • the conditioning is maintained in an infusion position in the support (2) by gravity support of the peripheral portion (22) at the level of the armature (11) on a bearing surface (1) of the support (21), the support (21) having a loading space (7) in water upstream of the conditioning in the infusion position;
  • the contact between the bearing surface (2) and the packaging is continuous;
  • the bearing surface (1) defines a hole through which the bag (8) passes;
  • the lateral wall (5) of the support (21) is directed transversely, preferably perpendicularly, to the bearing surface (1);
  • the contact between the side wall (5) and the sealing edge is continuous;
  • the cross section of the side wall (5) is configured to allow the packaging to move in the interior volume of the support (21) without contact of the peripheral portion (22) on the side wall (5) outside the border of sealing (13);
  • the seal (20) is deformed in contact with the side wall (5);
  • the system comprises an additional packaging similar to the packaging, the additional packaging being superimposed above the packaging;
  • the sealing edge (13) and the wall (5) have a circular profile. ;
  • the sealing edge (13) and the wall (5) have a rectangular profile;
  • the support (21) comprises a body defining the walls of the loading space (7).

D'une manière générale, un principe de boisson par infusion repose sur l'écoulement gravitaire d'eau, généralement préalablement chauffée, au travers d'une matière à infuser, par exemple de la mouture de café. Dans cet exemple, les quantités de matière infusable sont diverses et généralement supérieures à 20g, et avantageusement de l'ordre de 30g. Ainsi, au contraire des machines à expresso, les quantités de mouture sont souvent nettement plus élevées et la lixiviation s'effectue de manière non forcée, c'est-à-dire sans pression additionnelle pour l'extraction des arômes.In general, an infusion drink principle relies on the gravitational flow of water, which is generally heated beforehand, through a material to be infused, for example ground coffee. In this example, the quantities of infusible material are various and generally greater than 20 g, and advantageously of the order of 30 g. Thus, unlike espresso machines, the amounts of milling are often significantly higher and the leaching takes place in a non-forced manner, that is to say without additional pressure for the extraction of aromas.

Dans le cadre de l'invention, l'écoulement gravitaire s'effectue à l'intérieur d'un volume défini en partie par la paroi 5 d'un support 21, et en partie basse, par un conditionnement rapportable dans le support 21. Ce volume forme un espace de chargement 7 de réception d'eau. Avantageusement, le conditionnement est du type jetable de sorte que l'utilisateur peut facilement manipuler la mouture 17 tant pour l'insertion du conditionnement dans le support 2 que pour son évacuation lorsque le conditionnement est usagé.In the context of the invention, the gravity flow is carried out inside a volume defined in part by the wall 5 of a support 21, and in the lower part, by a packaging that is reportable in the support 21. This volume forms a loading space 7 for receiving water. Advantageously, the packaging is of the disposable type so that the user can easily handle the grind 17 both for the insertion of the packaging in the support 2 and for its evacuation when the packaging is used.

La direction 18 visible en figure 2 représente avantageusement la direction moyenne d'écoulement qui est généralement verticale en utilisation. De manière préférée, le conditionnement, ou tout au moins la poche 8, présente une symétrie axiale autour de cette direction. D'une manière générale, on entend par « transversal » ou « largeur » une direction présentant au moins une composante perpendiculaire à la direction 18.The direction 18 visible in figure 2 advantageously represents the mean direction of flow which is generally vertical in use. Preferably, the packaging, or at least the pocket 8, has an axial symmetry around this direction. In general, the term "transverse" or "width" means a direction having at least one component perpendicular to the direction 18.

Le conditionnement comporte avantageusement un volume de réception de mouture 17 ou d'autres matières à infuser, au niveau d'une poche 8. Dans l'exemple représenté et notamment visible en figure 2, la poche 8 est au moins partiellement définie par des parois sous forme de deux nappes 9, 10 préférentiellement réalisées de sorte à autoriser une filtration. Il s'agit de préférence de nappes en matière ou à base de papier-filtre mais cette solution n'est pas limitative. Par exemple, le papier-filtre a un grammage de 15 à 30g/m2 et une épaisseur comprise entre 0,1 et 1mm. Contrairement à des doses du type café expresso, la mouture 17 est avantageusement non tassée, c'est-à-dire qu'elle présente une liberté de mouvement dans la poche 8, poche dont le volume est avantageusement supérieur d'au moins 20% au volume de café non tassé à conditionner. Ainsi, une certaine déformabilité de la poche 8 est possible. Le caractère non tassé de la mouture 17 est une condition avantageuse de réalisation de café long de bonne qualité, l'écoulement gravitaire devant s'opérer avec des pertes de charge limitées pour être efficace. Une conséquence du non-tassage de la mouture 17 est que la poche 8 présente, en la seule présence de nappe 9, 10 du type papier filtre, une déformabilité relative.The packaging advantageously comprises a grinding receiving volume 17 or other substances to be infused at a pocket 8. In the example shown and in particular visible in FIG. figure 2 the pocket 8 is at least partially defined by walls in the form of two sheets 9, 10 preferably made so as to allow filtration. It is preferably sheets of material or filter paper but this solution is not limiting. For example, the filter paper has a basis weight of 15 to 30 g / m 2 and a thickness of between 0.1 and 1 mm. Unlike doses of the espresso coffee type, the grind 17 is advantageously unpacked, that is to say that it has a freedom of movement in the pocket 8, a pocket whose volume is advantageously greater by at least 20% to the volume of unpacked coffee to condition. Thus, a certain deformability of the pocket 8 is possible. The unpacked nature of the grind 17 is an advantageous condition for producing long-lasting coffee of good quality, the gravity flow having to operate with limited head losses to be effective. A consequence of the non-crushing of the grind 17 is that the pocket 8 has, in the presence of only sheet 9, 10 of the filter paper type, a relative deformability.

Pour conférer au conditionnement une certaine rigidité, la présente invention met avantageusement d'abord en oeuvre une armature 11 dans une matière plus rigide que celle utilisée pour les nappes 9, 10. En particulier, l'armature 11 peut être réalisée à partir d'une feuille de papier cartonné, par exemple d'épaisseur supérieure à 0,2mm. Avantageusement, la feuille de papier cartonné est revêtue sur au moins l'une de ses deux faces par une fine couche de matériau polymère, tel du polyéthylène, pour permettre un assemblage avec les nappes 9, 10 et/ou le joint 20 décrit ci-après par une soudure thermique. La figure 3 présente un exemple de zones d'assemblage au niveau de laquelle la soudure peut être opérée entre la nappe 10 et l'armature 11. La figure 8 montre une variante selon laquelle l'armature 11 est assemblée sur une zone d'assemblage avec les deux nappes 9, 10 chacune par une face de l'armature 11. Cet assemblage est avantageusement opéré tout autour de la poche 8 de sorte à fermer la poche 8 en établissant une portion périphérique 22 du conditionnement.To give the package a degree of rigidity, the present invention advantageously uses a reinforcement 11 in a material which is more rigid than that used for the plies 9, 10. In particular, the reinforcement 11 can be made from a sheet of cardboard, for example of thickness greater than 0.2mm. Advantageously, the sheet of paperboard is coated on at least one of its two faces by a thin layer of polymeric material, such as polyethylene, to allow assembly with the plies 9, 10 and / or the seal 20 described above. after by a thermal welding. The figure 3 shows an example of assembly zones at which the weld can be made between the ply 10 and the reinforcement 11. figure 8 shows a variant according to which the armature 11 is assembled on an assembly zone with the two plies 9, 10 each by a face of the armature 11. This assembly is advantageously operated all around the pocket 8 so as to close the pocket 8 by establishing a peripheral portion 22 of the package.

A titre purement indicatif, on a représenté aux figures, des exemples de conditionnement présentant une symétrie axiale suivant la direction 18, le profil du conditionnement étant circulaire, tant au niveau de sa bordure extérieure, qu'au niveau de la poche 8. Une alternative non limitative est telle que le profil est sensiblement rectangulaire (par exemple avec des coins arrondis), tout comme la poche 8. La direction 18 représente, en position de fonctionnement, la direction verticale.For purely indicative purposes, the figures show examples of packaging having an axial symmetry in the direction 18, the profile of the packaging being circular, both at its outer edge, and at the level of the pocket 8. An alternative non-limiting is such that the profile is substantially rectangular (for example with rounded corners), just like the pocket 8. The direction 18 represents, in the operating position, the vertical direction.

Ces deux configurations ne sont cependant pas limitatives par exemple, le pourtour du conditionnement peut être sensiblement rectangulaire alors que le profil de la poche 8 peut être sensiblement circulaire. Toute forme ou combinaison de forme rentre dans le cadre de la présente invention.These two configurations are not however limiting for example, the periphery of the packaging may be substantially rectangular while the profile of the pocket 8 may be substantially circular. Any form or combination of forms is within the scope of the present invention.

L'armature 11 est avantageusement formée à partir d'une feuille découpée de sorte à adopter le profil tel que visible aux figures 4 et 9. Il peut s'agir d'un anneau, éventuellement de section intérieure et/ou extérieure non circulaire. La largeur de l'anneau peut être comprise entre 8 mm et 15 mm et avantageusement de 10 mm. L'armature est de préférence une surface fermée de sorte à offrir un contact continu sur la surface d'appui 1 du support 21. Cela peut participer à l'étanchéité et pour le moins répartir les efforts dus à la reprise du poids du conditionnement et éventuellement d'eau.The armature 11 is advantageously formed from a cut sheet so as to adopt the profile as visible at figures 4 and 9 . It may be a ring, possibly inner section and / or outer non-circular. The width of the ring may be between 8 mm and 15 mm and advantageously 10 mm. The armature is preferably a closed surface so as to offer a continuous contact on the support surface 1 of the support 21. This may participate in sealing and at least distribute the forces due to the recovery of the weight of the packaging and possibly water.

Comme indiqué précédemment, l'eau chauffée est amenée à être introduite dans l'espace de chargement 7. Pour assurer une infusion efficace, il est nécessaire de disposer d'une étanchéité entre le pourtour du conditionnement et le support 21, de sorte que l'eau ne puisse s'écouler que via la mouture 17.As indicated above, the heated water is brought to be introduced into the loading space 7. To ensure an effective infusion, it is necessary to have a seal between the periphery of the packaging and the support 21, so that the water can flow only via the grinding 17.

A cet effet, la présente invention présente des moyens pour réaliser l'étanchéité dans la zone de coopération entre le support 21 et le conditionnement. Plus précisément, le conditionnement présente avantageusement une bordure d'étanchéité 13 situé au niveau du pourtour de du conditionnement, sur une partie appelée joint 20, et apte à coopérer avec des surfaces décrites ci-après plus en détail du support 21. Le joint 20 est préférentiellement formé à partir d'une feuille de matière avantageusement plus rigide que celles des nappes 9, 10, par exemple du papier cartonné revêtu sur au moins l'une de ses deux faces par une fine couche de matériau polymère, tel du polyéthylène, pour permettre un assemblage avec les nappes 9, 10 et/ou l'armature 11 par une soudure thermique. On peut réaliser le joint 20 et l'armature 11 en une seule et même pièce. Il est par ailleurs préférable que le joint 20 soit moins rigide que l'armature, par exemple avec une épaisseur moindre. Ainsi, le joint 20 peut être un prolongement de l'armature avec une moindre épaisseur. Cependant, un mode de réalisation préféré consiste à former distinctement joint 20 et armature 11, avec des pièces différentes de sorte à sélectionner au mieux les propriétés géométriques, mécaniques et les matériaux de ces deux parties du conditionnement. En particulier, le joint 20 peut être d'une même matière que l'armature 11 mais dans une épaisseur moindre, par exemple le papier cartonné précédemment indiqué, à partir d'une feuille d'épaisseur ne dépassant pas 0.15 mm.For this purpose, the present invention has means for sealing in the zone of cooperation between the support 21 and the packaging. More specifically, the packaging advantageously has a sealing edge 13 located at the periphery of the packaging, on a part called seal 20, and adapted to cooperate with surfaces described below in more detail of the support 21. The seal 20 is preferably formed from a sheet of material advantageously more rigid than those of webs 9, 10, for example paperboard coated on at least one of its two faces by a thin layer of polymeric material, such as polyethylene, to allow assembly with the plies 9, 10 and / or the armature 11 by a thermal weld. The seal 20 and the frame 11 can be made in one and the same piece. It is also preferable that the seal 20 is less rigid than the armature, for example with a lower thickness. Thus, the seal 20 may be an extension of the frame with a smaller thickness. However, a preferred embodiment consists of forming distinctly joint 20 and reinforcement 11, with different parts so as to select the best geometric properties, mechanical and materials of these two parts of the packaging. In particular, the seal 20 may be of the same material as the armature 11 but in a lesser thickness, for example the paperboard previously indicated, from a sheet of thickness not exceeding 0.15 mm.

Dans le cas des figures, l'armature 11 et le joint 20 se chevauchent et présente une zone en vis-à-vis l'un de l'autre. Une autre partie du joint déborde vers la périphérie du conditionnement au-delà de la zone où l'armature 11 est présente. Cette portion débordante 2 peut représenter de 20 à 50% de la largeur de l'anneau formant le joint, par exemple entre 2 et 4 mm pour un anneau de 13 mm de large. Ainsi, la partie saillante peut par exemple être de 3 mm de large. Dans les cas des figures 3 et 8, la portion débordante 2 a une forme convexe dirigée vers le haut suivant la direction d'écoulement 18, de sorte à favoriser sa déformation avec cette orientation au contact de la paroi 5. Cette forme convexe est préférentiellement curviligne pour favoriser la flexibilité de la partie débordante 2 et sa déformation élastique lors des phases de fonctionnement. En outre, la forme convexe de la face inférieure 23 de la portion 2 produit une zone évasée à la périphérie de la face supérieure du conditionnement (à savoir la face dirigée vers l'espace de chargement 7). Cela confère, en utilisation, une forme en coupelle à la face supérieure qui reçoit l'eau.In the case of the figures, the armature 11 and the seal 20 overlap and have an area vis-à-vis one another. Another portion of the seal extends beyond the periphery of the package beyond the area where the armature 11 is present. This protruding portion 2 may represent from 20 to 50% of the width of the ring forming the seal, for example between 2 and 4 mm for a ring 13 mm wide. Thus, the projecting portion may for example be 3 mm wide. In the case of figures 3 and 8 , the projecting portion 2 has a convex shape directed upwards in the direction of flow 18, so as to promote its deformation with this orientation in contact with the wall 5. This convex shape is preferably curvilinear to promote the flexibility of the part overflowing 2 and its elastic deformation during the operating phases. In addition, the convex shape of the lower face 23 of the portion 2 produces a flared zone at the periphery of the upper face of the package (ie the face facing the load space 7). This gives, in use, a cup shape to the upper face that receives the water.

Dans un mode de réalisation, les zones de l'armature 11 et du joint 20 qui se chevauchent sont solidaires notamment intégralement, soit directement parce qu'elles sont en contact et assemblées, soit indirectement (par exemple avec une nappe 9 intermédiaire). Cependant, un autre mode de réalisation consiste à préserver une mobilité relative des zones de l'armature 11 et du joint 20 se trouvant en vis-à-vis. En se référant à la figure 10, on note que la déformation du joint 20 dont la bordure 13 s'appuie sur la paroi latérale 5 provoque un déplacement d'une partie du joint 20 située en regard de l'armature 11. Il y a en effet dans ce cas une portion libre 4 du joint, portion sur laquelle le joint 20 n'est pas solidaire de l'armature 11. Cette solution accroit la mobilité du joint 20 pour augmenter son application sur la paroi latéral 5. La portion libre 4 peut représenter de 30 à 60% de la largeur de recouvrement de l'armature 11 et du joint 20. Par exemple, pour un recouvrement de 10 mm de large, la soudure peut représenter 6 mm.In one embodiment, the areas of the armature 11 and the overlapping gasket 20 are integrally integral, either directly because they are in contact and assembled, or indirectly (for example with an intermediate web 9). However, another embodiment consists in preserving a relative mobility of the zones of the armature 11 and the gasket 20 facing each other. Referring to the figure 10 , it is noted that the deformation of the seal 20 whose edge 13 is supported on the side wall 5 causes a portion of the seal 20 facing the frame 11 to be displaced. There is indeed in this case a portion free 4 of the seal, portion on which the seal 20 is not secured to the frame 11. This solution increases the mobility of the seal 20 to increase its application on the side wall 5. The free portion 4 can represent from 30 to 60 % of the overlap width of the armature 11 and the seal 20. For example, for a lap of 10 mm wide, the weld can be 6 mm.

Avantageusement, le joint 20 se situe au-dessus de l'armature c'est-à-dire plus vers la face supérieure du conditionnement. De cette façon, la déformation du joint 20 tendant à le relever vers l'intérieur de l'espace de chargement 7 influence peu ou pas l'armature 11. Dans le mode de réalisation des figures 1 à 4, l'empilement de couches est le suivant : en partant de la face supérieure du conditionnement, la nappe 9 recouvre la poche 8 de mouture de café et s'étend sur la portion périphérique 22 de sorte à participer à l'assemblage des couches ; en dessous, le joint 20 s'étend entre la nappe 9 et l'armature 11. Cette dernière recouvre la périphérie de la nappe 10 inférieure. L'assemblage peut s'opérer par soudure. Les figures 6 à 10 montrent une variante dans laquelle la nappe 9 est intercalée entre le joint 20 et l'armature 11.Advantageously, the seal 20 is located above the armature that is to say more towards the upper face of the packaging. In this way, the deformation of the seal 20 tending to lift it towards the interior of the loading space 7 has little or no influence on the armature 11. In the embodiment of Figures 1 to 4 , the stack of layers is as follows: starting from the upper face of the packaging, the sheet 9 covers the bag 8 of ground coffee and extends on the peripheral portion 22 so as to participate in the assembly of the layers; below, the seal 20 extends between the ply 9 and the armature 11. The latter covers the periphery of the lower ply 10. The assembly can be done by welding. The Figures 6 to 10 show a variant in which the ply 9 is interposed between the gasket 20 and the armature 11.

Il est avantageux que la nappe 10 se situe entre l'armature 11 et la surface d'appui 1, surtout lorsqu'il s'agit de papier-filtre. En effet, en cas d'étanchéité imparfaite du joint 20, la nappe 10 forme ainsi une étanchéité additionnelle, le papier-filtre étant une bonne barrière à l'eau un fois un peu imbibé.It is advantageous that the ply 10 is between the reinforcement 11 and the support surface 1, especially when it is filter paper. Indeed, in case of imperfect sealing of the seal 20, the web 10 thus forms an additional seal, the filter paper is a good barrier to water once a little soaked.

Dans les exemples des figures 3 et 8, la bordure d'étanchéité 13 est réalisée sous forme d'une extrémité distale du joint 20. Eventuellement, à cette extrémité, un enroulement terminal du joint peut être constitué de sorte à ce que la bordure ait une forme enroulée arrondie. Cette situation n'est cependant pas limitative et d'autres formes de bordure d'étanchéité pourraient être utilisées. Néanmoins, la forme d'un enroulement est avantageuse surtout en combinaison avec un joint 20 en papier cartonné. En effet, cet enroulement est de fabrication facile et permet de réaliser une superposition de couches de papier cartonné qui peut ensuite se déformer de manière simple et sans point dur sans l'exercice d'une trop grande force. Avantageusement, l'enroulement comporte au moins un tour et demi sur le joint 20. Par ailleurs, l'enroulement est réalisé avantageusement de sorte à être dirigé vers la face inférieure du conditionnement correspondant à la face au niveau de laquelle la poche 8 est en saillie. De manière préférée, l'enroulement ainsi constitué forme un diamètre extérieur au moins égal à 1 millimètre.In the examples of figures 3 and 8 , the sealing edge 13 is formed as a distal end of the seal 20. Optionally, at this end, a terminal winding of the seal may be formed so that the edge has a rounded curved shape. This situation is however not limiting and other forms of sealing edge could be used. Nevertheless, the shape of a winding is advantageous especially in combination with a cardboard gasket 20. Indeed, this winding is easy to manufacture and allows for a superposition of layers of paperboard which can then be deformed in a simple manner and without hard point without the exercise of too great a force. advantageously, the winding comprises at least one turn and a half on the seal 20. Moreover, the winding is advantageously made so as to be directed towards the lower face of the packaging corresponding to the face at which the pocket 8 is projecting. Preferably, the winding thus formed forms an outer diameter at least equal to 1 millimeter.

A titre préféré, le conditionnement comporte en outre un renfort 14 assurant un raidissement du pourtour de la poche 8, avantageusement localisé au niveau de la paroi latérale 25 de la poche 8, en laissant libre une partie de fond 24. Le renfort peut présenter une forme cylindrique, de porteuse quelconque mais préférentiellement circulaire, et de direction parallèle à la direction 18. La forme de section transversale circulaire et dirigée vers le bas, à l'opposé de l'espace de chargement 7 peut ainsi être obtenue comme en figure 2. Suivant cette figure, le renfort 14 comprend ou consiste en une feuille conformée en cylindre et tapissant la paroi latérale 25 de la poche (cette paroi est essentiellement parallèle à l'axe 18 dans l'illustration, alors que le fond 24 est l'extrémité inférieure de la poche et peut être plane ou légèrement bombée, et essentiellement perpendiculaire à la direction 18). Les figures 4 et 9 illustrent un renfort 14 sous forme de bague insérable dans la poche 8. Le renfort 14 peut aussi être appliqué à la paroi latérale 25 par l'extérieur du volume 17. Poche 8 et renfort 14 sont soit ajustés soit assemblés, par soudure notamment. Le renfort 14 peut être réalisé à partir d'une feuille de papier cartonné, par exemple d'épaisseur inférieure ou égale à 0,15 mm. Avantageusement, la feuille de papier cartonné est revêtue sur au moins l'une de ses deux faces par une fine couche de matériau polymère, tel du polyéthylène, pour permettre un assemblage par une soudure thermique.By way of preference, the packaging further comprises a reinforcement 14 ensuring a stiffening of the periphery of the pocket 8, advantageously located at the side wall 25 of the pocket 8, leaving free a bottom portion 24. The reinforcement may have a cylindrical shape, of any carrier but preferably circular, and direction parallel to the direction 18. The circular cross-sectional shape and directed downwards, opposite the load space 7 can be obtained as in figure 2 . According to this figure, the reinforcement 14 comprises or consists of a sheet shaped as a cylinder and lining the side wall 25 of the pocket (this wall is substantially parallel to the axis 18 in the illustration, while the bottom 24 is the end bottom of the pocket and may be flat or slightly curved, and substantially perpendicular to the direction 18). The figures 4 and 9 illustrate a reinforcement 14 in the form of an insertable ring in the pocket 8. The reinforcement 14 can also be applied to the side wall 25 from the outside of the volume 17. Pocket 8 and reinforcement 14 are either adjusted or assembled, particularly by welding. The reinforcement 14 can be made from a sheet of paperboard, for example of thickness less than or equal to 0.15 mm. Advantageously, the paperboard sheet is coated on at least one of its two faces by a thin layer of polymeric material, such as polyethylene, to allow assembly by thermal welding.

Préférentiellement, le renfort 14 n'obstrue pas totalement le passage de l'eau au niveau de la paroi latérale 25. A cet effet, des trous 6 peuvent être formés dans le renfort 14. Le diamètre des trous est préférentiellement supérieur à 1 mm voire beaucoup plus pour ne pas offrir une résistance trop forte à l'écoulement. et/ou les trous occupent préférentiellement moins de 50% de la surface du renfort 14. Ainsi, on favorise l'écoulement de l'eau dans toute les directions, y compris latéralement de sorte à rendre la lixiviation la plus homogène possible. Dans le même temps, la direction d'écoulement 18 par le fond 24 est privilégiée, car sans l'obstacle du renfort 14, pour un flux de boisson suffisamment canalisé.Preferably, the reinforcement 14 does not completely obstruct the passage of water at the side wall 25. For this purpose, holes 6 may be formed in the reinforcement 14. The diameter of the holes is preferably greater than 1 mm or even much more so as not to offer too much resistance to flow. and / or the holes occupy preferably less than 50% of the surface of the reinforcement 14. Thus, it promotes the flow of water in all directions, including laterally so as to make the leaching as homogeneous as possible. At the same time, the flow direction 18 through the bottom 24 is preferred, because without the obstacle of the reinforcement 14, for a flow of drink sufficiently channeled.

Dans une alternative non illustrée, le renfort 14 est issu du process de fabrication de l'armature 11 ou du joint 20. Plus précisément, lors de la formation de l'une de ces deux pièces à partir d'une portion de feuille notamment cartonnée, une découpe en quartiers (à partir du centre, de sorte que les découpes soient en étoile) de la partie de la feuille située au centre de l'armature 11 ou du joint 20 permet, après pliage vers l'intérieur de la poche 8, de réaliser des jambes de raidisseur.In a non-illustrated alternative, the reinforcement 14 is derived from the manufacturing process of the reinforcement 11 or the seal 20. More specifically, during the formation of one of these two pieces from a portion of a particular sheet of card stock , a cut into quarters (from the center, so that the cuts are in star) of the part of the sheet located in the center of the frame 11 or the seal 20 allows, after folding inwardly of the pocket 8, to produce stiffener legs.

Avantageusement, le renfort 14 s'étend à son extrémité supérieure 15 jusqu'à être en appui sur l'armature 11. L'ensemble en est d'autant plus rigide pour maintenir en forme la poche 8 sans aucune nécessité de tassage de la mouture.Advantageously, the reinforcement 14 extends at its upper end 15 to bear on the frame 11. The assembly is all the more rigid to maintain the shape of the pocket 8 without any need to tamp the grind .

D'une manière générale, la poche 8 a une hauteur préférentiellement comprise entre 2 et 4 cm, notamment 3,5 cm.In general, the pocket 8 has a height preferably between 2 and 4 cm, especially 3.5 cm.

Tel qu'indiqué précédemment, une forme en coupelle est avantageuse pour la portion débordante 20 du joint 2, soit par une conformation au repos, soit par une déformation au contact de la paroi latérale, ces deux effets pouvant être cumulés. Cette forme concentre l'appui de l'eau placée dans l'espace de chargement 7 pour augmenter la force d'étanchéité de la bordure 13. En complément ou en supplément de cette forme en coupelle, la face supérieure du conditionnement comporte avantageusement un retrait au niveau de la nappe 9 de sorte à former une cuvette entourée par la portion périphérique 22. Le retrait 12 s'étend par exemple sur une hauteur (selon la direction 18) au moins égale à l'épaisseur de l'armature. Le retrait 12 définit ainsi un bord 19 relativement à la portion périphérique 22, bord 19 préférentiellement épousé par la nappe 9. Le retrait 12 favorise l'écoulement central de l'eau et peut permettre un emboitement de deux conditionnements superposés.As indicated above, a cup shape is advantageous for the projecting portion 20 of the seal 2, either by a conformation at rest, or by a deformation in contact with the side wall, these two effects can be cumulated. This form concentrates the support of the water placed in the loading space 7 in order to increase the sealing force of the border 13. In addition to or in addition to this cup-like shape, the upper face of the packaging advantageously comprises a recess. at the level of the ply 9 so as to form a bowl surrounded by the peripheral portion 22. The shrinkage 12 extends for example over a height (in the direction 18) at least equal to the thickness of the armature. The shrinkage 12 thus defines an edge 19 relative to the peripheral portion 22, edge 19 preferably wedged by the ply 9. The shrinkage 12 promotes the central flow of water and can allow interlocking two superposed conditioners.

Dans le cas représenté, la zone du conditionnement au niveau de laquelle se situe la bordure d'étanchéité 13 est apte à venir au contact d'une surface d'appui 1 de sorte à maintenir en position le conditionnement à l'intérieur du support 21. Dans le cas des figures, la surface d'appui 1 est solidaire d'une partie de corps du support 21 et peut être réalisée avec lui de manière monobloc, par exemple en une seule pièce notamment en matière plastique, définissant le volume de l'espace de chargement 7.In the case shown, the zone of the packaging at which the sealing edge 13 is located is adapted to come into contact with a bearing surface 1 so as to hold the packaging in position inside the support 21 In the case of the figures, the bearing surface 1 is integral with a body portion of the support 21 and can be made with it in a one-piece manner, for example in a single piece, in particular a plastic part, defining the volume of the loading space 7.

Dans le cas d'un conditionnement dont le pourtour est essentiellement de profil circulaire, on réalisera avantageusement la surface d'appui 1 et la portion périphérique 22 avec des profils circulaires correspondants. Avantageusement, seul le joint 20 est au contact de la paroi latérale en position d'infusion tel qu'en figure 10.In the case of a packaging whose periphery is essentially circular in profile, the support surface 1 and the peripheral portion 22 will advantageously be made with corresponding circular profiles. Advantageously, only the seal 20 is in contact with the side wall in the infusion position as in figure 10 .

La surface d'appui 1 délimite un trou formant une ouverture basse du support 21 que la poche 8 peut traverser. Préférentiellement, l'ouverture basse est seulement très légèrement plus grande que la section de la poche 8. Cette dernière se trouve donc en suspension et les efforts de poids et de pression d'eau sont repris majoritairement par l'armature 11. Pour diriger l'écoulement de boisson en deçà de la poche, le support 21 ou une autre partie de la machine peut présenter une portion en entonnoir débouchant par un orifice de sortie.The bearing surface 1 defines a hole forming a lower opening of the support 21 that the pocket 8 can pass through. Preferably, the low opening is only slightly larger than the section of the pocket 8. The latter is thus in suspension and the weight and pressure of water pressure are mainly taken up by the frame 11. To direct the In a flow of beverage below the bag, the holder 21 or another part of the machine may have a funnel portion opening through an outlet.

Bien entendu, les formes et dimensions des différentes surfaces sont adaptées à la forme et à la dimension de la bordure d'étanchéité 13 sur laquelle elles doivent s'appliquer. A titre d'exemple, la paroi latérale 5 du support est une paroi cylindrique.Of course, the shapes and dimensions of the different surfaces are adapted to the shape and the dimension of the sealing edge 13 on which they must be applied. For example, the side wall 5 of the support is a cylindrical wall.

A titre d'exemple, le diamètre extérieur du conditionnement peut être compris entre 90 et 120 mm et par exemple égal à 106 mm. Le diamètre du volume de poudre 18 peut être compris entre 70 et 90 mm et par exemple 80 mm. Sa hauteur, suivant la direction 18 peut par exemple être comprise entre 20 et 40 mm, par exemple 25 mm pour 30 grammes de mouture.For example, the outer diameter of the package may be between 90 and 120 mm and for example equal to 106 mm. The diameter of the volume of powder 18 may be between 70 and 90 mm and for example 80 mm. Its height, in the direction 18 may for example be between 20 and 40 mm, for example 25 mm for 30 grams of ground.

L'infusion s'opérant par écoulement gravitaire de l'eau, il est particulièrement avantageux que l'espace de chargement 7 en eau présente une direction longitudinale correspondant à une direction moyenne d'écoulement 18 comme dans le cas représenté en figure 1. Parallèlement, il est avantageux que le conditionnement comporte une position perpendiculaire à cette direction 18 lorsqu'il est en position d'infusion comme dans le cas de la figure 1. A cet effet, la portion périphérique 22 du conditionnement est avantageusement placée sur la surface d'appui 1 de sorte à être perpendiculaire à la direction 18. Par ailleurs, l'ensemble forme avantageusement un système symétrique axialement relativement à la direction 18. Cela favorise l'écoulement homogène de l'eau au travers de la mouture 17.Since the infusion takes place by gravity flow of water, it is particularly advantageous for the water loading space 7 to have a longitudinal direction corresponding to a mean direction of flow 18, as in the case represented in FIG. figure 1 . At the same time, it is advantageous if the packaging comprises a position perpendicular to this direction when it is in the infusion position, as in the case of figure 1 . For this purpose, the peripheral portion 22 of the packaging is advantageously placed on the bearing surface 1 so as to be perpendicular to the direction 18. Moreover, the assembly advantageously forms a symmetrical system axially relative to the direction 18. This favors the homogeneous flow of water through the grind 17.

A l'utilisation, l'opérateur peut par exemple insérer le conditionnement par une ouverture du corps de support 21 située à l'opposé de la surface d'appui 1. Un glissement du conditionnement amène sa portion périphérique 22 au contact de la surface d'appui 1. Dans le même temps, la bordure d'étanchéité 13 est appliquée sur la paroi latérale 5 du support 21 si bien que support 21 et conditionnement coopèrent suivant deux directions d'appui. On notera que l'écoulement s'opérant de façon uniquement gravitaire, la pression d'eau est relativement faible si bien que l'étanchéité peut être produite même avec une déformation faible de la bordure d'étanchéité 13. L'eau peut dès lors être introduite dans l'espace de chargement. A cet effet, la machine à café équipée du système de l'invention comporte de manière typique un réservoir d'eau froide et un moyen permettant le chauffage et l'acheminement d'eau chaude en direction d'une tête de distribution au-dessus du système précédemment décrit.In use, the operator may for example insert the packaging through an opening of the support body 21 located opposite the bearing surface 1. A sliding of the packaging causes its peripheral portion 22 in contact with the surface of the 1. At the same time, the sealing edge 13 is applied to the side wall 5 of the support 21 so that the support 21 and packaging cooperate in two directions of support. It will be noted that since the flow operates solely on a gravity basis, the water pressure is relatively low, so that the seal can be produced even with a slight deformation of the sealing edge 13. be introduced into the cargo area. For this purpose, the coffee machine equipped with the system of the invention typically comprises a cold water tank and means for heating and conveying hot water to a dispensing head above of the system previously described.

Dans un mode de réalisation, la tête de distribution charge progressivement et lentement l'espace de chargement 7, sous forme de goutte à goutte de fréquence variable.In one embodiment, the dispensing head gradually and slowly loads the loading space 7 in the form of a variable frequency drop.

Dans un autre mode de réalisation, le chauffage de l'eau est plus rapide et un écoulement d'eau chaude régulier s'effectue vers l'espace de chargement 7. Dans cette configuration, l'eau chaude est amenée à remplir rapidement une partie importante de l'espace de chargement 7 au-dessus du conditionnement.In another embodiment, the heating of the water is faster and a steady flow of hot water is made to the cargo space 7. this configuration, the hot water is brought to quickly fill a large part of the loading space 7 above the packaging.

La figure 11 illustre une variante. Un aspect de ce mode de réalisation est que les trous 6 sont relativement de large diamètre, par exemple entre 8 et 12 mm et/ou entre 30% et 70% de la hauteur de la poche 8. Au niveau de leurs diamètres horizontaux, perpendiculaire à l'axe 18, les trous peuvent occuper entre 30% et 70% de la circonférence de la poche 8. Par ailleurs, les trous 6 peuvent être situés vers la base de la poche 8, en ayant leur centre plus vers la partie de fond 24 que vers la paroi 12.The figure 11 illustrates a variant. One aspect of this embodiment is that the holes 6 are relatively large in diameter, for example between 8 and 12 mm and / or between 30% and 70% of the height of the pocket 8. At their horizontal diameters, perpendicular at the axis 18, the holes can occupy between 30% and 70% of the circumference of the pocket 8. Moreover, the holes 6 can be located towards the base of the pocket 8, having their center more towards the part of bottom 24 only towards the wall 12.

Le repère 4 en figure 11 et le détail de la figure 12 montre par ailleurs une autre variante, dans la réalisation de la paroi en retrait 12 qui est d'une hauteur h plus prononcée que dans les exemples précédents.The reference 4 in figure 11 and the detail of the figure 12 shows also another variant, in the embodiment of the recessed wall 12 which is of a height h more pronounced than in the previous examples.

La hauteur du retrait 12 est dans ce cas par exemple compris entre 5 et 15 mm et notamment égal à 10 mm et/ou représente entre 20% et 40% de la hauteur globale du conditionnement. On verra que cette hauteur peut servir, outre à constituer une zone d'accumulation d'eau, à favoriser un emboitement de conditionnements.The height of the recess 12 is in this case for example between 5 and 15 mm and in particular equal to 10 mm and / or is between 20% and 40% of the overall height of the packaging. It will be seen that this height can serve, in addition to constituting a water accumulation zone, to promote a nesting of packaging.

Un avantage de la présente invention est qu'elle permet en outre dans un mode de réalisation avantageux de réaliser des fabrications de boisson à partir d'une pluralité de conditionnements. Ainsi, il est possible de superposer des conditionnements similaires à celui précédemment décrit de sorte que l'eau s'écoule au travers d'une quantité accrue de mouture 17. On peut notamment utiliser des conditionnements identiques et les superposer de sorte à ce que leurs faces respectivement supérieure et supérieure en vis-à-vis. Dans ce cadre, on comprend qu'un conditionnement inférieur sera placé de sorte à ce que la face inférieure de la portion périphérique 22 soit en application sur la surface d'appui 1 comme selon les figures. Un deuxième conditionnement lui est ensuite rapporté en superposition de sorte que sa face inférieure vienne en appui sur la face supérieure du premier conditionnement. Dans le cas où cette dernière présente un retrait, il peut être le lieu d'un emboitement, éventuellement légèrement en force, des deux conditionnements.An advantage of the present invention is that it also makes it possible in an advantageous embodiment to produce beverage products from a plurality of packages. Thus, it is possible to superimpose packages similar to that previously described so that the water flows through an increased amount of ground 17. In particular, it is possible to use identical packages and to superimpose them so that their upper and upper faces vis-à-vis respectively. In this context, it is understood that a lower package will be placed so that the lower face of the peripheral portion 22 is applied to the bearing surface 1 as in the figures. A second conditioning is then reported in superposition so that its lower face bears on the upper face of the first packaging. In the case where the latter has a withdrawal, it may be the place of nesting, possibly slightly in force, of the two packages.

On notera par ailleurs que l'étanchéité du papier cartonné a l'avantage de réaliser une déformation souple sans durcissement de la matière ce qui pourrait occasionner des pertes d'étanchéité comme cela pourrait être le cas avec des matières plastiques rigides ou de l'aluminium. La présente invention n'exclut cependant pas l'emploi de ce type de matériau.It should also be noted that the sealing of the paperboard has the advantage of producing a flexible deformation without hardening of the material, which could lead to leakage losses, as could be the case with rigid plastics or aluminum. . The present invention, however, does not exclude the use of this type of material.

Les figures et exemples ci-dessus montrent diverses caractéristiques au travers de différentes illustrations. Ces caractéristiques peuvent être combinées entre elles selon toutes associations même si elles n'ont pas été décrites au travers des mêmes illustrations de modes de réalisation en référence aux dessins.The figures and examples above show various characteristics through different illustrations. These features can be combined with each other according to all associations even if they have not been described through the same illustrations of embodiments with reference to the drawings.

REFERENCESREFERENCES

1.1.
Surface d'appuiBearing surface
2.2.
Portion débordanteOverflowing portion
3.3.
Surface de contactContact surface
4.4.
Portion libreFree portion
5.5.
Paroi latéraleSide wall
6.6.
TrouHole
7.7.
Espace de chargementLoading space
8.8.
PochePoached
9.9.
NappeTablecloth
10.10.
NappeTablecloth
11.11.
Armaturearmature
12.12.
Paroi en retraitWall recessed
13.13.
Bordure d'étanchéitéSealing edge
14.14.
Renfortreinforcement
15.15.
ExtrémitéEnd
16.16.
ExtrémitéEnd
17.17.
Mouturemilling
18.18.
Direction moyenne d'écoulementAverage flow direction
19.19.
Bord du retraitEdge of withdrawal
20.20.
Jointjoint
21.21.
SupportSupport
22.22.
Portion périphériquePeripheral portion
23.23.
Face d'applicationFace of application
24.24.
Partie de fondParty background
25.25.
Paroi latérale de pochePocket side wall
26.26.
Zone de soudureWelding area

Claims (16)

  1. Packaging for the infusion of a fluid through an infusable substance via gravitational flow, suitable for cooperating with a support (21) of a machine for preparing drinks, comprising a pouch (8) containing a dose of infusable substance and a peripheral portion (22), around the pouch (8), comprising a frame (11), characterised in that the frame (11) is suitable for pressing, under the effect of the weight of the packaging, on a bearing surface (1) of the support (21) and in that the peripheral portion (22) comprises a joint (20) provided with a sealing edge (13) suitable for pressing against a lateral wall (5) of the support (21) transverse to the bearing surface (1).
  2. Packaging according to the previous claim, wherein the frame (11) and the joint (20) are formed by distinct parts.
  3. Packaging according to one of the previous claims, wherein the frame (11) is more rigid than the joint (20).
  4. Packaging according to one of the previous claims, wherein the sealing edge (13) is located on the periphery of a protruding portion (2) of the joint (20), said protruding portion protruding beyond the frame, and preferably wherein the protruding portion has a width at least equal to 2mm, and preferably greater than or equal to 3mm.
  5. Packaging according to the previous claim, wherein the protruding portion (2) has a convex shape at rest.
  6. Packaging according to one of claims 4 to 5, wherein the frame (11) and the joint (20) comprise superimposed portions and wherein the superimposed portions have zones freely mobile with respect to each other near the protruding portion (2), and preferably wherein the width of the freely mobile zones is greater than or equal to 3mm.
  7. Packaging according to one of the previous claims, wherein the frame (11) is configured to support the weight of the packaging.
  8. Packaging according to one of the previous claims, wherein the pouch (8) extends from the peripheral portion (22) towards a first end of the packaging opposite to a second end of the packaging at which the sealing edge (13) is located.
  9. Packaging according to one of the previous claims, comprising a reinforcement (14) around a lateral wall of the pouch (8).
  10. Packaging according to the previous claim, wherein the reinforcement comprises at least one hole for the passage of fluid.
  11. Packaging according to one of the two previous claims, wherein a first end (15) of the reinforcement (14) is in contact with a first face of the packaging (11).
  12. System for the infusion, via gravity and without overpressure, of an infusable substance, comprising a support (21) that can be mounted on a machine for preparing drinks and a packaging according to one of the previous claims, wherein the packaging is maintained in an infusion position in the support (2) by the bearing, via gravity, of the peripheral portion (22), at the frame (11), on a bearing surface (1) of the support (21), the support (21) comprising a space for loading (7) water upstream of the packaging in the infusion position.
  13. System according to the previous claim, wherein the contact between the bearing surface (2) and the packaging is continuous.
  14. System according to one of the two previous claims, wherein a lateral wall (15) of the support (21) is directed transversely, preferably perpendicularly, to the bearing surface (1) and wherein the joint (20) is deformed by the contact with the lateral wall (5).
  15. System according to one of claims 12 to 14, comprising an additional packaging similar to the packaging, the additional packaging being superimposed on the packaging.
  16. Coffee machine comprising a head for distributing hot water and a system according to one of claims 12 to 15 under the water-distribution head.
EP15700553.9A 2014-01-13 2015-01-13 Packaging for a substance to be infused Active EP3094574B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1450220A FR3016355B1 (en) 2014-01-13 2014-01-13 CONDITIONING FOR AN INFUSER SUBSTANCE
PCT/EP2015/050445 WO2015104418A1 (en) 2014-01-13 2015-01-13 Packaging for a substance to be infused

Publications (2)

Publication Number Publication Date
EP3094574A1 EP3094574A1 (en) 2016-11-23
EP3094574B1 true EP3094574B1 (en) 2018-03-14

Family

ID=50290132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15700553.9A Active EP3094574B1 (en) 2014-01-13 2015-01-13 Packaging for a substance to be infused

Country Status (3)

Country Link
EP (1) EP3094574B1 (en)
FR (1) FR3016355B1 (en)
WO (1) WO2015104418A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2874210B1 (en) * 2004-08-10 2006-09-22 Cie Mediterraneenne Des Cafes CONDITIONING FOR INFUSION OF A MATERIAL TO INFUSE
AU2012200422B2 (en) * 2004-10-25 2015-07-09 Nestec S.A. System with capsule having sealing means
US7644653B2 (en) 2005-02-17 2010-01-12 Hamilton Beach Brands, Inc. Coffee maker brew basket

Also Published As

Publication number Publication date
EP3094574A1 (en) 2016-11-23
FR3016355A1 (en) 2015-07-17
WO2015104418A1 (en) 2015-07-16
FR3016355B1 (en) 2016-01-08

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