EP3658473B1 - Dosette pour boisson chaude et appareil et procédé de fabrication associés - Google Patents

Dosette pour boisson chaude et appareil et procédé de fabrication associés Download PDF

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Publication number
EP3658473B1
EP3658473B1 EP18768974.0A EP18768974A EP3658473B1 EP 3658473 B1 EP3658473 B1 EP 3658473B1 EP 18768974 A EP18768974 A EP 18768974A EP 3658473 B1 EP3658473 B1 EP 3658473B1
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EP
European Patent Office
Prior art keywords
pad
sheet
impermeable
layer
flow
Prior art date
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Active
Application number
EP18768974.0A
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German (de)
English (en)
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EP3658473A2 (fr
Inventor
Ids Adriaan STORK
Antoon Siefko Oosterhuis
Anno Adriaan VAN DER ZEE
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Scaffee BV
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Scaffee BV
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Publication of EP3658473A2 publication Critical patent/EP3658473A2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8046—Pods, i.e. closed containers made only of filter paper or similar material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B29/00—Packaging of materials presenting special problems
    • B65B29/02—Packaging of substances, e.g. tea, which are intended to be infused in the package
    • B65B29/025—Packaging of substances, e.g. tea, which are intended to be infused in the package packaging infusion material into pods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/02—Feeding sheets or wrapper blanks

Definitions

  • the present invention relates to a pad for use in making a hot beverage such as coffee, including espresso, latte macchiato, caffè latte, caffe macchiato, cappuccino etc., and hot chocolate, including caffe choco etc., particularly to the preparation of a coffee using pads with ground coffee, and to an apparatus and method for manufacturing such pads.
  • a hot beverage such as coffee, including espresso, latte macchiato, caffè latte, caffe macchiato, cappuccino etc., and hot chocolate, including caffe choco etc.
  • Preparing hot beverages such as coffee or hot chocolate using pads with raw material is known from practice.
  • the pad In use, the pad is placed in a beverage machine and provided with a pressurized liquid that forces the liquid to flow through the pad to obtain the beverage.
  • a problem of the known pads when used in existing beverage machines is that the flow through the pad, and especially the flow through the raw material contained therein, is not optimal and as a result the extraction from the raw material is not uniform.
  • WO 2006/043098 A1 discloses a flexible pad for preparing a beverage.
  • the present invention aims to provide a pad for preparing a hot beverage, such as coffee or hot chocolate that obviates or at least reduces the abovementioned problems.
  • the phrase "connected to each other" as used in the invention for purposes of the invention also includes similar terms as joining together, sealing and/or attaching, preferably in a durable manner. Most preferably, it includes sealing of the first and second sheet to form a fluid-tight connection that holds under pressure and/or heat.
  • the connection and/or sealing may be formed using a variety of suitable manufacturing techniques may amongst others include gluing, hot melting, sewing and/or cross-linking.
  • the pad according to the invention has the advantage that a flow is achieved in a direction that is substantially parallel to the surface areas. In most applications this means that in use a substantially horizontal flow of pressurized liquid is achieved through the pad. This enables fully utilizing the raw material contained in the inner space of the pad. In this text the term horizontal in relation to the flow direction through the pad is to be interpreted as substantially parallel to the surface areas.
  • the improved utilization of the raw material is the result of the fact that at least one of the first and second sheets has a surface area that is at least partially impermeable to pressurized liquid, which forces the flow of pressurized liquid to flow through the pad in a substantially horizontal direction.
  • the pad is placeable in a beverage machine with the first sheet facing towards a pressurized liquid supply of the machine or, alternatively, with the second sheet facing towards the pressurized liquid supply.
  • the pressurized liquid is redirected, preferably by the impermeable surface area of the first sheet, towards the flow passages near the outer edge. This is achieved regardless of the exact positioning of the liquid inlet in the beverage machine.
  • the flow of pressurized liquid is directed inwardly towards the preferred centralised outlet/flow passage(s) in the second sheet and the preferred central outlet of the beverage machine.
  • the second sheet is optionally also substantially impermeable to direct or guide the flow.
  • directing or guiding the flow is the result of the bottom part of the pad holder. In any case, as a result, in use a substantially horizontal flow through the pad is achieved.
  • the flow of pressurized liquid after having centrally entered the pad through the flow passage(s) in the second sheet, encounters the impermeable surface of the first sheet and/or the bottom of the pad holder and is forced to flow in an outward direction towards the flow passages positioned near the outer edge.
  • the product After passing the decentrally positioned flow passages, the product may flow underneath the pad towards a central outlet of the beverage machine. As a result, a substantially horizontal flow through the pad is achieved.
  • the raw material is more efficiently used than in existing pads and the amount of raw material that is needed to achieve a similar or higher quality beverage is reduced compared to existing pads.
  • Another advantage of the pad according to the invention is that the formation of preferential flow paths in the raw material is substantially prevented.
  • the flow of pressurized liquid from the liquid inlet of a beverage machine often slightly displaces raw material in the pad upon entering the pad, therewith forming a flow path having a lower flow resistance. Because liquid flows along the path of least resistance, the pressurized liquid is inclined to form and subsequently follow the path of the least resistance.
  • This effect is substantially prevented in the pad according to the invention, because the flow of pressurized liquid in the pad is forced along a substantially horizontal direction by the impermeable surface of the first sheet that involves a longer path through the raw material. Thus, a more efficient use of the raw material is achieved.
  • the impermeable surface of the first and/or second sheet preferably provides an increased stiffness to the pad, which reduces crumpling and/or creasing of the pad.
  • Existing pads are relatively flexible, which, when introducing the pad into the beverage machine, increases the risk of crumpling and/or creasing of the pad.
  • preferential flow paths may already be formed and/or the sealing of the pad in the beverage machine is reduced, allowing a flow of pressurized liquid to bypass the pad entirely.
  • the pad according to the invention has in increased stiffness, which reduces the amount of crumpling and/or creasing, making it easier to correctly introduce the pad in the beverage machine. Therewith the risk of leakage along the seal is reduced.
  • the additional impermeable surface or surfaces contributes to maintaining the raw material in the pad fresh. This improves the overall quality assessment by a consumer.
  • the pad according to the invention can advantageously be used in existing beverage machines without having to adapt the beverage machines.
  • the size of the impermeable surface and the exact positioning of the flow passages are chosen such that a substantially horizontal flow is achieved through the raw material in the pad. According to the invention, this may be achieved in various ways.
  • the flow passages in the first sheet may comprise a ring at or near an outer edge of the pad, which forms a single circular flow passage for the pressurized flow of liquid to flow into the pad.
  • multiple flow passages are positioned near or at the outer edge of the first sheet, which for example may be used when the preferred impermeable surface is substantially equal to the surface of the first sheet.
  • only a limited number of flow passages may be applied to the surface area of the first sheet.
  • the surface of the second sheet preferably is provided with a single flow passage for allowing a flow of liquid to exit the pad or may be provided with a number of flow passages that can for example also be configured to be positioned in a ring in the second sheet. Preferably, such a ring of flow passages would be near or at the centre of the pad.
  • the pad according to the invention may be inserted in a beverage apparatus with the first sheet facing upwards, i.e. in the direction of a liquid supply/inlet by the apparatus, or with the first sheet facing downwards towards a liquid outlet of the apparatus.
  • the specific use is determined based on the lay-out of the flow passages and the impermeable surface on the first and/or second sheet, as well as on the lay-out of the beverage machine in which the pad is used.
  • a pad is provided to an end-user along with an instruction on how to use the pad and/or the orientation to be used for each type of beverage machine. Most preferably, such instructions are provided along with a brand on the pad itself.
  • the first sheet is impermeable to the flow of pressurized liquid.
  • the second sheet may also be provided with an impermeable surface and at least one flow passage.
  • the first sheet in use is facing upwards towards the liquid supply/inlet of the machine. Tests have shown that such embodiment provides an effective use of the raw material.
  • An advantage of providing an impermeable surface on both the first and second sheets is that the pad can be used in existing beverage apparatus having for example a decentral liquid inlet and a decentral liquid outlet, for example.
  • the pad may be substantially circular, and a diameter of the pad may be in the range of 10 to 100 mm, preferably in the range of 35 to 75 mm, and may more preferably have a diameter of around 60 mm.
  • the size of the pad is preferably chosen such that it is usable in existing beverage machines. In most beverage machines circular pads having a diameter of around 60 mm are used. The form and dimensions of the pad are preferably manufactured such that they can be used in existing machines.
  • the pad and each of the impermeable surface areas may be substantially circular and the diameter of each of the impermeable surface areas may be in the range of 10 - 100 % of the diameter of the pad, preferably in the range of 70 - 100% of the diameter of the pad, and more preferably in the range of 90 - 95% of the diameter of the pad.
  • the area of the impermeable surfaces in relation to the total surface of the surface area of the sheet may advantageously be adapted specific consumer or retailer requirements. This may for example relate to the type of beverage machine for which it is used and/or the type of raw material contained in the pad. For example, in a beverage machine having a centrally placed liquid outlet, the impermeable area of the second sheet may be smaller, since the flow of pressurized liquid is forced to flow towards in a substantially horizontal direction due to the fact the outlet is centrally placed. Furthermore, the properties of the impermeable surface may also depend on the pressure that is used in the beverage machine.
  • the first and second sheets may be manufactured from a material that is permeable to liquid, such as paper, preferably filter paper, wherein the impermeable surface area may be formed on one or both of the first and second sheets during manufacturing.
  • the pad according to the invention may be manufactured by providing a pad having sheets made of permeable material, such as present in existing pads, which are subsequently provided with an impermeable layer that is formed in or on the surface of the first and/or second sheet.
  • the impermeable layer may be applied on the surface of the sheet or may be applied into the sheet, forming an integral layer therewith.
  • the forming of the impermeable surface area may be performed using one of a group of: coating, spray coating, gluing, printing, rolling, stamping, hot melting or stitching.
  • the impermeable surface area of the sheets can be applied to the sheet using one of a variety of different techniques.
  • the specific technique chosen for applying the impermeable surface area is preferably adapted to the type of material that is used for the impermeable surface area.
  • the first and/or the second sheet may be manufactured from a material that is impermeable to liquid.
  • the pad may have one or both sheets manufactured from an impermeable material, which obviates the step of forming the impermeable surface area to the pad. This reduces the cost and complexity of the manufacturing process, therewith also reducing the cost of the manufactured pads.
  • the impermeable surface area may be formed or manufactured from a material that may be one of a biodegradable plastic material, such polylactic acid (PLA), or a compostable plastic material or a thermo-compressed paper.
  • a biodegradable plastic material such as polylactic acid (PLA)
  • PLA polylactic acid
  • a compostable plastic material such as thermo-compressed paper.
  • the materials are also food-grade materials that are accepted and/or certified for use in food-related products.
  • one or both of the impermeable surfaces may be provided with a relief, an embossing and/or channels for guiding the flow of pressurized liquid.
  • the impermeable surface layers applied to the surfaces of the first and second sheets may be provided with an embossing, relief and/or channels during the manufacturing.
  • This may for example be executed by providing a variation in the thickness of the applied layer over the surface area.
  • the relief or embossing for example allows a manufacturer to apply a logo, brand or even instructions in the impermeable layer. Applying a logo, brand or instructions, or any other figures and/or text onto the impermeable layer may be performed using a suitable technique, such as stamping or integral shaping during application of the impermeable layer.
  • An advantage of such relief or embossing is that the pad may be provided with specific instructions on the use and/or how the pad is to be placed in specific beverage machines.
  • the impermeable layer comprises an amount of an aromatic and/or flavouring substance. This may improve the overall appreciation of a user.
  • providing preformed flow channels in the impermeable layer or layers in the pad may provide that the flow of pressurized liquid is guided more fully along the outer side of the pad from the liquid inlet to the flow passages in the first and/or second sheet.
  • Flow channels are preferably applied on an outer side of the pad and are preferably also applied on the side of the pad that faces the liquid inlet, although it may additionally or alternatively also be provided on the side facing the liquid outlet.
  • the invention also relates to a system according to claim 9 for manufacturing coffee pads according to the invention, the system comprising:
  • the system according to the invention has the advantages and effects mentioned above for the pad according to the invention.
  • the system according to the invention comprises an apparatus for manufacturing existing pads and further includes an addition to the production line that is specifically adapted for forming the impermeable surface area on the sheets of the pad.
  • a pad manufacturing apparatus for manufacturing (existing) pads in practice often comprises a blanking device for removing and/or punching the manufactured pads out of the feeds of base material, which often comprise semi-continuous sheets of material that are provided to a feed on a roll.
  • an additional production step is preferably provided to the apparatus, the production step preferably being positioned between the last manufacturing step, for example the blanking device that punches the pads from a feed, and the packing device for packing the completed pads.
  • the conveyor preferably is an endless conveyor on which the pads are placeable and that is positioned under an angle with the production line of the pad manufacturing apparatus.
  • the conveyor when placed near a blanking device of the pad manufacturing apparatus, is further preferably placed slightly underneath the blacking device to capture the punched out pads on the conveyor for subsequent transportation to the layer application device.
  • the layer application device may be a rotatable spray gun that is configured for spraying a coating on the first sheet of the punched out pads.
  • the advantage of a rotatable spray gun is that the layer application device and the pad are not brought in contact with each other. Furthermore, a rotatable spray gun allows a relatively high processing speed.
  • Other layer application devices can be used as well, such as a coating device that applies a coating to the first sheet by means of gluing or hot melting. Both the use of a (rotatable) spray gun or a coating device have the advantage that they can be used to apply the impermeable layer to the sheet when the pad is already filled with raw material without having any adverse effect on the raw material in the pad.
  • an embodiment of the layer application device may also comprise a printing device, a rolling device or a stamping device to apply the impermeable layer to the first sheet.
  • the apparatus according to the invention comprises an apparatus for manufacturing known pads, that is modified by including a material feed for manufacturing sheets completely consisting of impermeable material, for example a module for feeding thermos-compressed paper to the apparatus for manufacturing pads having a first and second sheet of which the upper surface of at least a first sheet is entirely made of impermeable material.
  • the layer application device may be configured to apply a impermeable layer over substantially the entire first and/or second surface of the pad
  • the system additionally may comprise a passage application device that, when viewed in a transport direction of the conveyor, may be positioned downstream of the layer application device and that may be configured for applying a number of flow passages in or near the impermeable layer of the pad.
  • the pad according to the invention may be provided with an impermeable surface that extends over substantially the entire surface of the first and/or second sheet.
  • the apparatus is equipped with an applicator device that is specifically configured for creating and/or applying flow passages in the impermeable layer.
  • the applicator device may remove part of the impermeable layer to create flow passages or may be configured for punching openings in the impermeable layer.
  • other suitable options for providing the flow passages also fall within the scope of this embodiment of the invention.
  • the system additionally may comprise a second layer application device that may be configured for applying an impermeable layer to another surface of the first and second surface of the pad that may be positioned opposite the other surface, and a second passage application device that, when viewed in a transport direction of the conveyor, may be positioned downstream of the second layer application device and that may be configured for applying a number of flow passages in or near the impermeable layer on the another surface of the pad.
  • the conveyor is positioned such that, during operation of the apparatus, subsequently the first and/or the second sheet are provided with an impermeable layer.
  • the conveyor is an endless conveyor having an upper and a lower side, wherein the pads are transported along the lower path to the upper path before being transferred to the packaging.
  • the first layer application device is positioned near the lower side of the conveyor, whereas the preferred second layer application device is positioned near the upper side of the conveyor, for example between the lower and upper side of the conveyor and above the first layer application device when viewed in a vertical direction. This allows the impermeable surface(s) to be applied to the respective sheet(s) without having to change the orientation of the pads on the conveyor.
  • the first and/or the second layer application device may be one of a group of a rotating spray device, a stitching device, a gluing device, a spray gun, an impregnating device, or a hot melt device.
  • the rotation speed of the conveyor may be adapted to match the speed of the pad manufacturing apparatus.
  • Adapting the speed of the conveyor to the speed of the pad manufacturing apparatus provides the advantage that the conveyor becomes an integral and synchronised part of the apparatus, therewith ensuring a continuous and uninterrupted manufacturing of pads using the apparatus. It is preferred that the conveyor is controlled by a controller that is operatively coupled to a sensor unit measuring the production or processing speed of the pad manufacturing apparatus, wherein the speed of the conveyor is automatically adapted by the controller to match the speed of the pad manufacturing apparatus.
  • the apparatus may be additionally provided with an embossing device, which is configured for applying a brand, logo, picture, other type of indicator in the impermeable surface of the first and/or second sheet or for applying a number of flow channels in the surface of the impermeable layer or layers.
  • the embossing device forms an integral part of the first and/or second layer application device to simultaneously apply the layer and the indicator.
  • the embossing device may however also be placed downstream and directly adjacent to the first and/or the second layer application device when viewed in a transport direction, to consecutively apply the layer and the indicator.
  • flow channels is advantageous in that it can provide an even higher amount of flow guidance of the liquid to and through the pad, thereby fully utilizing the available raw material.
  • the layer application device is configured for applying a layer that is in the range of 0.005 - 1.0 mm, and more preferably in the range of 0.01 - 0.5 mm.
  • the invention also relates to a method acccording to claim 12 for manufacturing pads according to the invention for preparing warm beverages, the method comprising:
  • the method according to the invention has the advantages and effects mentioned above for the pad and the system/apparatus according to the invention.
  • the method according to the invention also provides the advantage that the step of providing at least one of the first and the second outer surfaces with a layer of material that is impermeable to pressurized liquid can be performed in addition to a traditional manufacturing process for manufacturing known pads.
  • This allows existing methods to be converted into a method according to the invention for making pads according to the invention.
  • the cost for adapting existing processes may be relatively low, therewith obviating a price increase of the manufactured pads.
  • the manufacturing may further comprise supplying an elongated lane of first material for forming first sheets and supplying an elongated lane of second material for forming second sheets.
  • the method may also comprise sealing a first and a second sheet along an outer perimeter of a pad to be formed and punching out the filled pads from the lanes of elongated material.
  • providing the layer of impermeable material may comprise one of a group of coating, spray coating, gluing, printing, rolling, stamping, hot melting, impregnating, providing a self-adhesive layer, or stitching.
  • the method may comprise applying a first liquid impermeable layer to the first sheet, wherein the surface area of the first impermeable layer is smaller than the outer surface area of the first sheet. It may alternatively comprise applying a first liquid impermeable layer to the first sheet, wherein, if the surface area of the first impermeable layer is substantially equal to the outer surface area of the first sheet, the applying also comprises applying a number of flow passages in the first sheet near an outer edge thereof for the passage of pressurized liquid. Additionally or alternatively, the method may also comprise applying a second liquid impermeable layer to the second sheet and providing a flow passage near a centre of the impermeable layer in the second sheet to allow passage of pressurized liquid.
  • This embodiment has the advantage that it can be applied in conjunction with an existing method for manufacturing pads without having to adapt the process as such. Instead, the method provides an additional step in which the impermeable layer is applied to one or both of the first and second layer.
  • Another advantage of this embodiment according to the method is that the size of the impermeable layer may be adapted to the specific requirements of a client, in that the size may be chosen to be substantially the entire surface or only a part of the surface of the respective sheet. Furthermore, the size of the impermeable layer that is applied on the respective sheets may differ for each of the respective sheets. Therewith, the method allows a large measure of flexibility and freedom with regard to the pads that are manufactured.
  • providing at least one of the first and second outer surfaces with a layer of material that is impermeable to pressurized liquid is executed by manufacturing at least one of the first and second sheet of the pad from a material that is impermeable to pressurized liquid, the embodiment further comprising applying a number of flow passages in the impermeable sheets to allow the passage of pressurized liquid.
  • An advantage of the method according to this embodiment is that it requires less method steps and can therefore be performed in a smaller, cheaper installation. Furthermore, the method according to this embodiment provides an increased flexibility with regard to the material that is used, because the feed material that is used in the method for manufacturing the pads can more easily be switched.
  • Pad 2 comprises first sheet 4 and second sheet 6 that are sealed together on sealing edge 8 (see figures 1 - 4 ).
  • First sheet 4 is provided with impermeable surface 10 that extends from a central point towards sealing edge 8. In this example, impermeable surface 10 extends over around 90% of the diameter of first sheet 4.
  • Flow passages 12 that are positioned near sealing edge 8 allow passage of fluid into pad 2.
  • pad 2 is provided with a second sheet 6 that is permeable to pressurized liquid over the entire surface area of pad 2.
  • second sheet 6 is provided with impermeable surface 14 that extends over substantially the entire surface area of sheet 6.
  • Impermeable surface 14 is provided with centrally placed flow passage 16 to allow a mixture of raw material and liquid to exit pad 2.
  • pad 2 can be used with first sheet 4 facing a liquid supply/inlet from a beverage machine as well as with second sheet 6 facing a liquid supply/inlet of a beverage machine.
  • first sheet 4 facing a liquid supply/inlet from a beverage machine
  • second sheet 6 facing a liquid supply/inlet of a beverage machine.
  • the specific orientation of pad 2 with respect to the sheet 4, 6 facing towards the liquid supply/inlet of a beverage machine depends on the specific type of beverage machine in which pad 2 is used.
  • pad 2 is configured to provide, when used in a beverage machine, a substantially horizontal flow through pad 2 that is substantially parallel to the plane of sheets 4, 6.
  • a number of decentral flow passages 12 in first sheet 4 function as inlet and central flow outlet 22 of beverage machine 18, and particularly a pad holder thereof, functions as outlet.
  • pad 2 may be used in various ways to provide a substantially horizontal flow through pad 2.
  • pad 2 in beverage machine 18, for example beverage machine 18 having central inlet 20 and central outlet 22, pressurized liquid flows on impermeable surface 10 of sheet 4 and is directed towards sealing edge 8.
  • the pressurized liquid enters pad 2 through flow passages 12 that are present near outer edge 4a of sheet 4 (see also figure 3a , figure 5a ) and is subsequently forced to flow substantially horizontally between impermeable surface 10 of sheet 4 and lower surface 18a of beverage machine 18 towards centrally placed beverage machine outlet 22.
  • the combination of pad 2 with beverage machine 18 forces the pressurized liquid to flow substantially horizontally through pad 2, thereby obtaining a more efficient extraction and/or mixing process.
  • pad 2 can be used in existing beverage machines without having to adapt the existing beverage machines to pad 2.
  • Manufacturing process 102 ( figures 6a , 6b ) comprises a number of conveyor belts 104 that transport pads 106 from and to a conventional pad manufacturing line 116. Pads are transferred to a conveyor belt.
  • Layering device 110 provides the impermeable layer to pad 106.
  • one device 110 is provided.
  • a second device 110 can be provided to provide the other surface of pad 106 with an impermeable layer.
  • treatment device 112 is provided. This may involve a heating device to perform a heat treatment to the impermeable layer.
  • drive system 114 connects the individual drives of conveyors 104 and device 110, such that these drives are synchronized with the other components of the manufacturing line.
  • the impermeable layers are already provided on the pad material directly. This obviates the need for including separate device(s) 110. It will be understood that other methods and devices can be envisaged to provide the impermeable layer(s).
  • the present invention is by no means limited to the above described preferred embodiments thereof. The rights sought are defined by the following claims, within the scope of which many modifications can be envisaged. It is thus possible according to the invention to make a combination of the described embodiments, features and measures.

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  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)

Claims (14)

  1. Dosette (2) destinée à être utilisée dans une machine à boisson (18) permettant de préparer une boisson chaude, la dosette étant conçue pour contenir une matière première à travers laquelle un écoulement sous pression de liquide est forcé pour préparer la boisson par extraction, la dosette comprenant :
    - une première feuille (4) ayant une zone de surface (10),
    - une seconde feuille (6) ayant une zone de surface (14), dans laquelle la zone de surface de la seconde feuille est pourvue d'un ou plusieurs passages d'écoulement (16) qui sont positionnés au niveau ou près du centre de la seconde feuille ; et
    dans lequel la première feuille et la seconde feuille sont reliées l'une à l'autre au niveau ou près du périmètre externe (8) pour former un espace interne permettant de contenir la matière première qui est utilisable pour la préparation de la boisson, caractérisée en ce que
    la zone de surface de la première feuille est pourvue de passages d'écoulement (12) qui sont positionnés au niveau ou près du périmètre extérieur de la première feuille ;
    sensiblement toute la zone de surface de la première et/ou de la seconde feuille est imperméable à l'écoulement de liquide sous pression, et
    la taille de la zone de surface imperméable et le positionnement des passages d'écoulement coopèrent pour forcer l'écoulement de liquide sous pression à s'écouler sensiblement dans une direction qui est parallèle aux zones de surface à travers la matière première dans la dosette de telle sorte qu'un écoulement sensiblement horizontal est obtenu à travers la matière première dans la dosette.
  2. Dosette (2) selon la revendication 1, dans laquelle la dosette est sensiblement circulaire, et dans laquelle un diamètre de la dosette est dans la plage de 10 à 100 mm, de préférence dans la plage de 35 à 75 mm, et plus préférablement un diamètre d'environ 60 mm.
  3. Dosette (2) selon l'une quelconque des revendications précédentes, dans laquelle la dosette et chacune des zones de surface imperméables (10, 14) sont sensiblement circulaires et le diamètre de chacune des zones de surface imperméable est dans la plage de 50 à 100 % du diamètre de la dosette, de préférence dans la plage de 70 à 100 % du diamètre de la dosette, et plus préférablement dans la plage de 90 à 95 % du diamètre de la dosette.
  4. Dosette (2) selon l'une quelconque des revendications précédentes, dans laquelle les première et seconde feuilles (4, 6) sont fabriquées à partir d'un matériau qui est perméable au liquide, tel que du papier, de préférence du papier filtre, dans laquelle la zone de surface imperméable est formée sur l'une ou les deux des première et seconde feuilles pendant la fabrication.
  5. Dosette (2) selon la revendication 4, dans laquelle la formation de la zone de surface imperméable est réalisée à l'aide de l'un des groupes suivants : revêtement, revêtement par pulvérisation, collage, impression, laminage, estampage, fusion à chaud ou couture.
  6. Dosette (2) selon l'une quelconque des revendications 1 à 3, dans laquelle la première et/ou la seconde feuille (4, 6) sont fabriquées à partir d'un matériau qui est imperméable au liquide.
  7. Dosette (2) selon l'une quelconque des revendications 4 à 6, dans laquelle la zone de surface imperméable est formée ou fabriquée à partir d'un matériau qui est l'un parmi un matériau plastique biodégradable, tel qu'un acide polylactique (PLA), ou un matériau plastique compostable ou un papier thermocomprimé.
  8. Dosette (2) selon l'une quelconque des revendications précédentes, dans laquelle la couche imperméable comprend une substance aromatique et/ou aromatisante.
  9. Système (102) de fabrication de dosettes (2, 106) selon l'une quelconque des revendications précédentes, le système comprenant :
    - un appareil de fabrication de dosette (116) destiné à fabriquer des dosettes, de préférence des dosettes de café, comprenant au moins :
    - un module de fabrication de dosettes ;
    - un module de remplissage des dosettes avec de la matière première ; et
    - un dispositif d'emballage, qui, lorsqu'il est vu dans une direction de transport, est positionné en aval des modules de fabrication de dosette et de remplissage de dosette ;
    - un transporteur (104) qui est positionné près d'une sortie de l'appareil de fabrication de dosette sur lequel des dosettes fabriquées peuvent être placées et qui est conçu pour transporter la dosette vers un dispositif d'emballage ;
    - un dispositif d'application de couche (110) pour appliquer une couche imperméable sur une première et/ou une seconde surface (10, 16) d'une dosette, la couche imperméable s'étendant sur au moins une partie de la première et/ou de la seconde surface, dans lequel le dispositif est positionné près du transporteur entre la sortie et le dispositif d'emballage.
  10. Système (102) selon la revendication 9, dans lequel le dispositif d'application de couche (110) est conçu pour appliquer une couche imperméable sur sensiblement toute la première et/ou la seconde surface de la dosette, et dans lequel le système comprend en outre un dispositif d'application de passage qui, lorsqu'il est vu dans une direction de transport du transporteur, est positionné en aval du dispositif d'application de couche et qui est conçu pour appliquer un nombre de passages d'écoulement dans la couche imperméable de la dosette ou près de celle-ci.
  11. Système (102) selon l'une quelconque des revendications 9 à 10, comprenant en outre :
    - un second dispositif d'application de couche (110) qui est conçu pour appliquer une couche imperméable sur une autre parmi une première ou une seconde surface de la dosette ; et
    - un second dispositif d'application de passage qui, lorsqu'il est vu dans une direction de transport du transporteur, est positionné en aval du second dispositif d'application de couche et qui est conçu pour appliquer un nombre de passages d'écoulement dans la couche imperméable ou près de celle-ci sur l'autre surface de la dosette, et/ou dans lequel le premier et/ou le second dispositif d'application de couche est l'un d'un groupe d'un dispositif de pulvérisation rotative, un dispositif de couture, un dispositif de collage, un pistolet de pulvérisation, un dispositif d'imprégnation, ou un dispositif thermofusible, et/ou dans lequel la vitesse de rotation du transporteur est adaptée pour correspondre à la vitesse de l'appareil de fabrication de dosette.
  12. Procédé de fabrication de dosettes selon l'une quelconque des revendications 1 à 8 permettant de préparer des boissons chaudes, le procédé comprenant :
    - la fabrication d'une dosette (2, 106) comprenant une première et une seconde feuille (10, 16), chacune de la première et de la seconde feuille ayant une surface externe, la fabrication comprenant :
    - le scellement des première et seconde feuilles ensemble près d'un bord externe (8) pour former un espace interne permettant de contenir une matière première ;
    - le remplissage de la dosette avec de la matière première ;
    - la fourniture d'au moins l'une parmi les première et seconde surfaces externes avec une couche de matériau qui est imperméable au liquide sous pression pour, lorsque la dosette est utilisée dans une machine à boisson (18), créer un écoulement de liquide sous pression qui est essentiellement dans une direction qui est parallèle aux zones de surface à travers la matière première dans la dosette ; et
    - l'empilement des dosettes dans un conteneur de transport pour le transport des dosettes aux utilisateurs.
  13. Procédé selon la revendication 12, la fabrication comprenant en outre :
    - la fourniture d'une voie allongée de premier matériau pour former des premières feuilles ;
    - la fourniture d'une voie allongée de second matériau pour former des secondes feuilles ;
    - le scellement d'une première et d'une seconde feuille le long d'un périmètre externe (8) d'une dosette (2, 106) à former ; et
    - la perforation des dosettes remplies à partir des voies de matériau allongé, et/ou dans lequel la fourniture de la couche de matériau imperméable comprend l'un d'un groupe de revêtement, revêtement par pulvérisation, collage, impression, laminage, estampage, fusion à chaud, imprégnation, fourniture d'une couche auto-adhésive, ou couture.
  14. Procédé selon l'une quelconque des revendications 12 ou 13, le procédé comprenant :
    - l'application d'une première couche imperméable aux liquides sur la première feuille :
    - dans lequel la zone de surface de la première couche imperméable est plus petite que la zone de surface externe (10) de la première feuille (4) pour fournir un passage d'écoulement dans la première feuille ; ou
    - dans lequel, si la zone de surface de la première couche imperméable est sensiblement égale à la zone de surface externe de la première feuille, l'application comprend également l'application d'un nombre de passages d'écoulement dans la première feuille près d'un bord externe de celle-ci pour le passage de liquide sous pression ; et/ou
    - l'application d'une seconde couche imperméable aux liquides sur la seconde feuille (10) ; et
    - la fourniture d'un passage d'écoulement (16) près d'un centre de la couche imperméable dans la seconde feuille pour permettre le passage de liquide sous pression, dans lequel de préférence la fourniture d'au moins l'une parmi les première et seconde surfaces externes avec une couche de matériau qui est imperméable au liquide sous pression est exécutée en fabriquant au moins l'une parmi la première et la seconde feuille de la dosette à partir d'un matériau qui est imperméable au liquide sous pression, et dans lequel le procédé comprend en outre de préférence l'application d'un nombre de passages d'écoulement dans la ou les feuilles imperméables pour permettre le passage de liquide sous pression.
EP18768974.0A 2017-07-28 2018-07-27 Dosette pour boisson chaude et appareil et procédé de fabrication associés Active EP3658473B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2019369A NL2019369B1 (en) 2017-07-28 2017-07-28 Pad for hot beverage and apparatus and method for manufacturing thereof
PCT/NL2018/050525 WO2019022609A2 (fr) 2017-07-28 2018-07-27 Dosette pour boisson chaude et appareil et procédé de fabrication associés

Publications (2)

Publication Number Publication Date
EP3658473A2 EP3658473A2 (fr) 2020-06-03
EP3658473B1 true EP3658473B1 (fr) 2023-06-28

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US (1) US20200231374A1 (fr)
EP (1) EP3658473B1 (fr)
CN (1) CN111164028B (fr)
NL (1) NL2019369B1 (fr)
WO (1) WO2019022609A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100030074A1 (it) * 2021-11-29 2023-05-29 Caffe Borbone S R L Cialda monouso per macchina di erogazione di bevande calde

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
NL1026068C2 (nl) * 2004-04-28 2005-10-31 Sara Lee De Nv Pad van het eventueel soepele type en samenstel van een houder en een dergelijke pad.
GB0423553D0 (en) * 2004-10-22 2004-11-24 Kraft Foods R & D Inc Flexible pad for preparing a beverage
ITBO20040785A1 (it) * 2004-12-20 2005-03-20 Ima Spa Unita' per il confezionamento di articoli contenenti prodotto da infusione
JP2009154926A (ja) * 2007-12-27 2009-07-16 British American Tobacco Pacific Corporation たばこ産業製品用の包装材料
BR112013018622A2 (pt) * 2011-01-27 2016-10-18 Nestec Sa cápsula para a preparação de uma bebida por centrifugação e processo de preparação usando tal cápsula
ITUB20152469A1 (it) * 2015-07-24 2017-01-24 Marco Verri Apparecchiatura per la realizzazione di un prodotto, preferibilmente di un prodotto alimentare per realizzare una bevanda tramite infusione in un rispettivo liquido

Also Published As

Publication number Publication date
WO2019022609A3 (fr) 2019-04-11
WO2019022609A2 (fr) 2019-01-31
CN111164028A (zh) 2020-05-15
NL2019369B1 (en) 2019-02-18
CN111164028B (zh) 2022-04-29
EP3658473A2 (fr) 2020-06-03
US20200231374A1 (en) 2020-07-23

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