EP1801034B1 - Dosette flexible - Google Patents

Dosette flexible Download PDF

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Publication number
EP1801034B1
EP1801034B1 EP06126633.4A EP06126633A EP1801034B1 EP 1801034 B1 EP1801034 B1 EP 1801034B1 EP 06126633 A EP06126633 A EP 06126633A EP 1801034 B1 EP1801034 B1 EP 1801034B1
Authority
EP
European Patent Office
Prior art keywords
filter
pad
pod
particles
subspaces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06126633.4A
Other languages
German (de)
English (en)
Other versions
EP1801034A3 (fr
EP1801034A2 (fr
Inventor
Siegmund Kramer
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1801034A2 publication Critical patent/EP1801034A2/fr
Publication of EP1801034A3 publication Critical patent/EP1801034A3/fr
Application granted granted Critical
Publication of EP1801034B1 publication Critical patent/EP1801034B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D85/8061—Filters

Definitions

  • the invention relates to a form-slack filter pad comprising an upper filter sheet and a lower filter sheet and an intermediate receiving space for receiving leachable and / or at least partially soluble substances, which is subdivided into subspaces.
  • substances coffee or tea powder, coffee whitener, flavorings or the like can be filled.
  • the pad is placed in a brewing chamber of a pad machine to prepare a hot drink and charged with hot water.
  • Typical hot drinks that are made in this way are coffee, tea, cocoa or drinkable soups.
  • the US 2001/053399 A1 discloses a "Coffee Filter Pack” characterized by two superimposed filter bags, so that the hot water passes first a "helper ground coffee” and then a "highly flavored ground coffee".
  • the US 5,958,478 discloses a similar filter pad having first outer and second outer layers and an intermediate layer, and a first pocket between the first outer layer and the intermediate layer and a second pocket between the second outer layer and the intermediate layer.
  • WO 2004/078009 A1 describes a liquid infusion container, which is characterized in that an injection nozzle has at least one infusion opening, is passed through the liquid in a direction which is not perpendicular to an upper plane in a first inner chamber.
  • a suitable for a percolator coffee pack is finally in the GB 1 277 826 described.
  • the DE 203 19 191 U1 describes a dimensionally stable pad provided with at least a first shell into which a substance, such as milk powder, frother or similar additives, which are soluble in a liquid such as water, is enclosed.
  • the shell comprises an upper and a lower sheet of a filter material.
  • the pad is further provided with a forming stiffening body disposed between the upper and lower sheets.
  • the stiffening body has a dividing wall assembly which, from an upper side to a lower side, constitutes a liquid-permeable mesh structure. In this structure, which forms individual compartments, there is at least a part of the soluble substance.
  • This dimensionally stable pad is due to the porous filter material, in which the stiffening body is wrapped, consuming and complicated to manufacture. It is therefore characterized by a high reject rate.
  • the object of the invention is to provide a pad whose interior is likewise subdivided in order to avoid thorough mixing of the solution or of the eluate already in the pad or unequal elution or solution of the substances introduced.
  • a slack fiiterpad according to the preamble of claim 1, characterized in that the subspaces are formed exclusively by at least one an interrupted course having joint between the upper and the lower filter layer.
  • the subspaces are arranged side by side and one above the other with respect to an extension plane of the filter pad.
  • the superimposed subspaces or chambers of the pad are flowed through in an order with respect to the flow direction from top to bottom.
  • the solution or the eluate of the first through-flow chamber thus also flows through the chambers downstream of it, resulting in a particularly good mixing of the solutions or eluates of the individual chambers or subspaces. Since the lower chamber is already acted upon by a solution or an eluate, it is assume that the substances contained therein are dissolved or leached differently than by fresh water.
  • filter layers do not necessarily have to be connected to one another only at their edges.
  • filter layers of different sizes can also be connected to one another by attaching a smaller filter layer at its edge to a larger one.
  • Another, corresponding in size to the larger of the first two filter layers position can then be connected at its edge with the existing pad to form two different sized subspaces.
  • the subspaces are adjacent to one another with respect to the plane of extent of the filter pad, that is to say they are arranged parallel in the direction of flow. This division of the subspaces has the consequence that the subspaces are traversed during the flow of water substantially independently of each other. As a result, thorough mixing of the solution or of the eluate already in the pad or unequal elution or solution of the substances introduced can be avoided.
  • the subspaces within the pad are formed exclusively in that the upper and lower filter layers are connected to one another at joints.
  • the originally continuous receiving space of a pad is thus divided according to the invention by joints, for example in the form of a quilt, into several subspaces.
  • joints for example in the form of a quilt, into several subspaces.
  • a single linear joint may divide the pad into two equal or different subspaces.
  • the two filter layers are not interconnected.
  • two adjacent subspaces are connected to each other.
  • an exchange of the substances of adjacent subspaces can take place.
  • the user can mechanically correct, for example, a transport-related unequal distribution of the substances within the subspaces, if necessary.
  • the interruptions are so small that no exchange of substances can take place, they at least provide the water with an additional flow path.
  • the Querniciströmiana the pad can be increased. In a partial accumulation within the pad can be counteracted by the formation of an undesirable overpressure in the brewing chamber.
  • the subspaces can not according to the invention also be formed by at least one separate partition wall. Although the insertion of a separate dividing wall into the receiving space of the pad represents a greater outlay in the production, but in each case causes more compact subspaces with an otherwise unchanged shape or outer contour of the pad. With one or more partition walls, both an arrangement of the subspaces next to each other as well as one above the other or even combinations thereof can be accomplished.
  • the partition wall As a material for the partition wall almost any, preferably flexible, and - depending on the orientation of the partition wall parallel or transverse to the flow direction - permeable material can be used.
  • the partition wall consists of a material comparable to the upper and / or the lower filter sheet. In superimposed subspaces, this is required because otherwise the flow through the pad is obstructed. In contrast, with adjacent subspaces this material also allows a cross-flow of the pad, resulting in a good mixing of the solution or the eluate, but also can come to a bypass flow, if it forms an area of reduced or disturbed flow in the pad.
  • the same materials for the two filter sheets and the partition walls can also simplify the production of the pad.
  • the partition may be formed impermeable.
  • the dividing walls it is not necessary for the dividing walls to be stationarily located within the pad, they can be held exclusively by the filling with substances. According to a further advantageous embodiment of the invention, however, they are connected by joints on the upper and / or lower filter sheet. This advantageously results in a form fidelity of the subspaces and excludes mixing of the different substances contained in the pad.
  • the joints are formed by pressing, embossing, deformation or gluing using the least possible amounts of adhesive. These joining processes ensure that they have as little flavor as possible on the beverage.
  • the filter pads described so far have in common the design principle that their subspaces are formed by walls which are more or less precisely determinable with respect to their position.
  • An additional design principle of the inventive pad is that its receiving space or at least one of its subspaces is filled with particles of widely varying spatial extent. Subspaces are thus created no longer by walls, but by the surfaces of several non-contiguous bodies of greater spatial extent, which form spaces through their generally irregular arrangement within the pad. They represent subspaces in which particles with a smaller spatial extent can stay. Thus, between the particles of larger spatial extent, a large number of relatively equally distributed subspaces are formed, in which smaller particles are absorbed.
  • the plurality of subspaces may be desirable or necessary if the most even distribution of a fine-grained substance is necessary.
  • the particles of different sizes also have a different dissolution behavior with respect to speed. Among them is the whole range of an immediate dissolution of water contact to the insolubility to understand. In the case of insolubility, the larger particles merely serve to produce finely distributed subspaces without participating in the overall flavor of the solution or eluate. Thus, a form-slack pad can be produced which nevertheless has a uniform distribution of sub-compartments of calculable sizes and calculable circumference.
  • the particles of larger extent preferably exhibit the slower dissolution behavior. Then they essentially form the subspaces for the finely divided substances. These subspaces are to be maintained for as long as possible for the purpose of uniform distribution of the finer substances during the dissolution or leaching process and / or avoiding agglomeration of the finer substances.
  • the different dissolution behavior can also create an order of processing of the substances within a pad. Influencing the chronological order in which different constituents of the same pad as solution or eluate leave the coffee machine makes it possible to produce layered coffee drinks.
  • An advantageous embodiment of the previously described embodiment is that the larger particles of roasted coffee and the smaller consist of flavoring and / or additives.
  • the size of the coffee particles can be adjusted by the degree of grinding of the coffee.
  • the coffee particles remain in the pad anyway, because they are not completely dissolved, but leached.
  • the flavoring and / or additives should generally dissolve completely and out of the pad be rinsed out. They are therefore advantageous anyway in greater fineness, ie as smaller particles.
  • the larger particles have a substantially regular geometric shape, for example a spherical shape on.
  • the gaps created between the balls can be determined relatively accurately because both the interior of the pad and the sum of the volumes of the balls can be calculated.
  • spherical particles have a diameter which corresponds approximately to the thickness of the pad in the direction of flow. This creates the largest possible partial spaces between the balls.
  • FIG. 1 shows a first, simple form of a pad 1 in a plan view ( FIG. 1a ) and in a sectional view ( FIG. 1 b) ,
  • the pad 1 is formed of an upper filter sheet 2 and a lower filter sheet 4.
  • As with known pads it also includes a receiving space 5 between the two filter sheets 2, 4, which - in contrast to known pads - is subdivided by a linear joint 8 into two equally sized subspaces 10, 12.
  • the upper filter sheet 2 and the lower filter sheet 4 are both circular and disc-shaped and secured along its circumference 6 in a known manner by a circumferential joint 7 with each other.
  • Both the peripheral joint 7 and the linear joint 8 are in a conventional manner, formed by embossing, gluing or pressing, for example, to a pressure water resistant compound.
  • the semi-circular in plan view subspaces 10, 12 take on different substances, eg. B. ground coffee of different varieties to produce a blend. Since the subspaces 10, 12 are arranged next to one another, they are in principle treated equally with water and flows through it at the same time. The content of each subspace 10, 12 is thus eluted separately. Essentially, the eluate mixes only below the lower filter sheet 4 in the brewing chamber of the machine. This ensures that both substances are eluted evenly and provide the same contribution to the flavor of the prepared beverage.
  • the linear course and the position of the joint 8 are only to be understood as examples.
  • it can also be curved or circular, as in FIG. 3 shown.
  • the pad 1 in FIG. 1 is therefore formed from only two conventional filter sheets 2, 4. It thus essentially has the shape property according to the invention, ie it is dimensionally limp.
  • the joint 8 gives the pad 1 an additional softness in that it can be folded along the joint 8. Another reason for a curved course of a joint 8 can therefore be the avoidance of the kink possibility of the pad 1.
  • the invention not only offers the possibility of subdividing a receiving space into two juxtaposed subspaces, but also into those which are arranged one above the other.
  • FIG. 2a in a plan view and in FIG. 2b shown in a sectional view.
  • the pad 20 is formed of three substantially conventional circular filter sheets 22, 24, 26, of which the upper filter sheet 22 and the lower filter sheet 26 include a receiving space 28 in a known manner.
  • the middle filter sheet 24 divides the receiving space 28 by a linear joint 38 in the juxtaposed subspaces 30 and 32 on the one hand and in the two spanning subspace 34. So there are the two subspaces 30 and 32 arranged in the same manner as the subspaces 10 and 12 in FIG.
  • the subspace 34 is above or in the direction of flow A of the pad 20 in front of it.
  • the three filter sheets 22, 24, 26 are along in a conventional manner their periphery 36 connected to each other, so that the particles contained in them can not escape.
  • the subspaces 30, 32 continue to flow through more or less simultaneously. However, in the flow direction A from top to bottom, the water now first flows through the subspace 34, elutes or dissolves the substances contained therein and then flows through the subspaces 30, 32. This thus results in a flow order, after which first the subspace 34 and only then the subspaces 30 and 32 are flowed through. This also means that the subspaces 30, 32 are not reached by fresh water, but by eluate that has already formed in the subspace 34. This may result in the subsequent flow through the subspaces 30, 32, a different elution or dissolution behavior, as if these subspaces 30, 32 would be acted upon by fresh water. In any case, a thorough mixing of the eluate from the subspaces 34 and 30 or 32 already takes place above the lower filter sheet 26 - this in contrast to the pad 1 according to FIG. 1 ,
  • the joint 38, the middle filter sheet 24 of course also connect to the upper filter sheet 22.
  • the middle filter sheet 24 also need not necessarily be connected to the common periphery 36 with the upper filter sheet 22 and the lower filter sheet 26. Rather, it may also have a smaller diameter than this and be attached only to the upper filter sheet 22 or the lower filter sheet 26.
  • a criterion for such a configuration may consist in the requirement to apply one of them at least partially with fresh water even in subregions arranged one above the other.
  • FIG. 10 illustrates one of the many alternative embodiments to the pad 1. It has three joints 42, 44, 46 arranged as concentric circles around the geometric center M of the circular pad 40. They divide the pad 40 into two subspaces 50, 52. The curved course of the joints 42, 44, 46th causes the pad 40 does not lose stability despite the relatively large number of joints, in particular can not easily bend.
  • the joints 42, 46 are formed continuously, so they connect the filter blades 41 along their entire length with each other.
  • the joint 44 has a discontinuous course: at joints 54, where the two filter sheets are firmly connected, follow interruptions 56.
  • the subspace 50 is composed of two annular spaces 58, 59 together, which are interconnected via the interruptions 56.
  • the subspace 52 is thus completely separated from its adjacent subspace 50.
  • a limited exchange of water and / or particles can take place between the annular spaces 58, 59. It gives the pad 40 in the region of the subspace 50 better Quer barnströmbarkeit.
  • the water or eluate can seek an alternative route via the interruption 56, so that it is not possible to build up an undesired overpressure.
  • the pad 60 is made in a known manner from an upper filter sheet 62 and a lower filter sheet 64, which are interconnected along their circumference 66, so that they include a receiving space 68.
  • the receiving space 68 is filled with different substrates 70, 72.
  • the shape of the substrates 70, 72 are quite different from each other:
  • the substrate 70 has a more or less regular spherical shape, whose diameter is substantially larger than that of the substrate 72.
  • the spherical particles 70 completely fill the receiving space 68 of the pad 60. Even with closest possible storage remain between the balls 70 unfilled areas that form spaces 74 of the receiving space 68. In these gaps 74, the substrate 72 can be recorded with its much finer particles. This results in a fine distribution of spaces 74 within the receiving space 68, which are arranged both side by side and one above the other. In this way, a plurality of gaps 74 can be formed within the receiving space 68.
  • the substrates 70, 72 differ not only in size but also in their dissolution behavior. That can have physical-chemical reasons or simply result from the different size of the particles 70, 72.
  • the finer particles 72 dissolve faster, so that when an impingement of the pad 60 with water they are first dissolved or eluted and get into the outlet of the beverage machine.
  • the solution or elution of the larger particles 70 starts. Their ingredients are released but later in the hot water. In this way, an order of dissolution or elution of the substrates 70, 72 within the pad 60 can thus be created.
  • the slower dissolution of the larger particles 70 also has the purpose of maintaining the interstices 74 within the receiving space 68 at least until the finer particles 72 have completely dissolved or are eluted.
  • the fine distribution of the intermediate spaces 74 is required for the finer particles do not clump together during their elution or dissolution process under water access. They can be, for example, coffee whitener, cocoa or other flavorings.
  • the large particles 70 as described above, can in turn contribute to the formation of the coffee beverage by their solution or elution, e.g. B. consist of particles of roasted coffee.
  • the particles 70 may also be those which merely serve to form gaps 74 within the receiving space 68. They are then insoluble.
  • This way of creating spaces 74 also provides the ability to uniquely determine the gaps 74 in size. For the larger the diameter of the spherical particles 70, the greater is the space remaining therebetween or the gaps 74, and the smaller is their number. Conversely, the total volume of the interstices 74 can be reduced or the number of subspaces increased and their respective volumes reduced by making the diameter of the particles 70 smaller. Finally, the particles 70 are not limited to a spherical shape, but may take any regular or irregular shape with the respective consequences for the formation of the gaps 74.
  • pads are exemplary embodiments, they may be modified in a conventional manner by one skilled in the art to a large extent without departing from the scope of the invention as claimed.
  • the pads may also have other peripheral shapes than the circular ones.
  • the use of the indefinite article "on” or “one” does not exclude that the characteristics in question may also be present multiple times.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
  • Packages (AREA)

Claims (10)

  1. Dosette flexible pour la préparation d'une boisson chaude dans une machine pour dosettes, laquelle dosette comprend une feuille filtrante supérieure (2 ; 22 ; 41 ; 62) et une feuille filtrante inférieure (4 ; 26 ; 41 ; 64) et un espace de logement (5 ; 28 ; 68) situé entre les deux feuilles filtrantes, destiné à loger des substances extractibles et/ou tout du moins partiellement solubles (70 ; 72), qui est divisé en espaces partiels (10 ; 12 ; 30 ; 32 ; 58 ; 59) disposés les uns à côté des autres par rapport à un plan d'étendue de la dosette (1 ; 20 ; 40 ; 60), caractérisée en ce que les espaces partiels (10 ; 12 ; 30 ; 32 ; 58 ; 59) sont exclusivement formés par au moins un endroit de jonction (8, 38 ; 44), présentant une allure ininterrompue, entre la feuille filtrante supérieure (2 ; 24 ; 41) et la feuille filtrante inférieure (4 ; 26 ; 41).
  2. Dosette selon la revendication 1, caractérisée en ce que la dosette (20) comprend au moins trois couches filtrantes (22 ; 24 ; 26) qui sont reliées entre elles uniquement sur leurs bords (36).
  3. Dosette selon la revendication 2, caractérisée en ce que les espaces partiels (30, 32 ; 34) sont disposés les uns à côté des autres et les uns au-dessus des autres par rapport à un plan d'étendue de la dosette (22 ; 40 ; 60).
  4. Dosette selon la revendication 1, caractérisée en ce que les endroits de jonction sont formés par pressage, collage et/ou formage.
  5. Dosette selon l'une quelconque des revendications précédentes, caractérisée en ce que l'espace de logement (68) à l'intérieur de la dosette est rempli de particules (70 ; 72) ayant une étendue spatiale fortement différente.
  6. Dosette selon la revendication 5, caractérisée en ce que les particules (70 ; 72) de taille différente présentent en outre un pouvoir dissolvant différent.
  7. Dosette selon la revendication 5 ou 6, caractérisée en ce que les particules plus grandes (70) se dissolvent plus lentement que les plus petites (72).
  8. Dosette selon l'une quelconque des revendications 5 à 7, caractérisée en ce que les particules plus grandes (70) sont constituées de café torréfié et en ce que des particules plus petites (72) sont constituées d'additifs et/ou d'aromatisants.
  9. Dosette selon l'une quelconque des revendications 5 à 8, caractérisée en ce que les particules plus grandes (70) présentent une forme géométrique régulière, notamment une forme sphérique.
  10. Dosette selon la revendication 9, caractérisée en ce que le diamètre des sphères correspond à environ l'épaisseur de la dosette.
EP06126633.4A 2005-12-23 2006-12-20 Dosette flexible Not-in-force EP1801034B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005061927A DE102005061927A1 (de) 2005-12-23 2005-12-23 Formschlaffes Pad

Publications (3)

Publication Number Publication Date
EP1801034A2 EP1801034A2 (fr) 2007-06-27
EP1801034A3 EP1801034A3 (fr) 2008-07-02
EP1801034B1 true EP1801034B1 (fr) 2013-05-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06126633.4A Not-in-force EP1801034B1 (fr) 2005-12-23 2006-12-20 Dosette flexible

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EP (1) EP1801034B1 (fr)
DE (1) DE102005061927A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20100234A1 (it) * 2010-04-15 2011-10-16 Aroma System Srl Cialda multipla contenente due o piu prodotti separati tra loro e processo per realizzarla
KR20150067340A (ko) * 2012-10-12 2015-06-17 네스텍 소시에테아노님 다중 격실들을 구비한 식품 캡슐

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT310656B (de) 1968-12-30 1973-10-10 Procter & Gamble Teilbare Kaffeepackung
GB9316717D0 (en) * 1993-08-11 1993-09-29 Gen Foods Ltd Cartridge and method for the preparation fo whipped beverages
US5958478A (en) * 1995-11-09 1999-09-28 Lehrer; Robert Filtration device for preparation of foods from food concentrates and liquids
US5895672A (en) * 1998-01-13 1999-04-20 Cooper; Barry Patrick Wesley Product and process for preparing a tea extract
US6485766B2 (en) * 2000-05-31 2002-11-26 Walter Herod Coffee filter pack apparatus and method
JP2005538787A (ja) * 2002-09-20 2005-12-22 ネステク ソシエテ アノニム 泡立ち液体食品を用意するための方法、装置およびカプセル
WO2004078009A2 (fr) 2003-03-03 2004-09-16 The Procter & Gamble Company Doses pour infusion contenant des materiaux insolubles
EP1510159A1 (fr) * 2003-08-25 2005-03-02 Nestec S.A. Procédé de préparation d'un produit alimentaire
DE20319191U1 (de) 2003-12-11 2004-06-09 Lee, Sara Formstabiles Pad zu Bereitung eines für den Verzehr geeigneten Getränks

Also Published As

Publication number Publication date
DE102005061927A1 (de) 2007-06-28
EP1801034A3 (fr) 2008-07-02
EP1801034A2 (fr) 2007-06-27

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