EP1801034B1 - Flexible pad - Google Patents
Flexible pad Download PDFInfo
- 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
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- 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.)
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Classifications
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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
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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
- B65D85/8061—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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Description
Die Erfindung betrifft ein formschlaffes Filterpad, das ein oberes Filterblatt und ein unteres Filterblatt und einen dazwischen liegenden Aufnahmeraum zur Aufnahme von auslaugbaren und/oder zumindest teilweise lösbaren Substanzen umfasst, der in Teilräume unterteilt ist. Als Substanzen können Kaffee- oder Teepulver, Kaffeeweißer, Aromastoffe oder dergleichen eingefüllt sein. Das Pad wird zur Zubereitung eines Heißgetränks in eine Brühkammer einer Pad-Maschine eingelegt und mit heißem Wasser beaufschlagt. Typische Heißgetränke, die derart hergestellt werden, sind Kaffee, Tee, Kakao oder trinkbare Suppen.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. As 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.
Die
Die
Aufgabe der Erfindung ist es, ein Pad anzugeben, dessen Innenraum ebenfalls unterteilt ist, um eine Durchmischung der Lösung bzw. des Eluats bereits in dem Pad oder eine ungleiche Eluierung bzw. Lösung der eingefüllten Substanzen zu vermeiden.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.
Diese Aufgabe wird durch ein formschlaffes Fiiterpad gemäß dem Oberbegriff des Anspruchs 1 dadurch gelöst, dass die Teilräume ausschließlich durch zumindest eine einen unterbrochenen Verlauf aufweisende Fügestelle zwischen der oberen und der unteren Filterlage gebildet sind. Durch den Verzicht auf einen steifen beziehungsweise versteifenden Körper innerhalb des Pad vereinfacht sich zum einen dessen Herstellung, weil auf die aufwändige Verbindung zwischen formsteifen und formschlaffen Körper verzichtet werden kann. Stattdessen kann auf Verbindungsmethoden zurückgegriffen werden, die aus der Herstellung herkömmlicher Pads bekannt sind. Mit dem Verzicht auf einen steifen Körper entfällt zudem die Gefahr, dass er die poröse Filterhülle durch auf ihn einwirkende Kräfte bei der Handhabung zerstört.This object is achieved by a slack fiiterpad according to the preamble of
Vorteilhafte Aus- und Weiterbildungen, welche einzeln oder in Kombination miteinander eingesetzt werden können, sind Gegenstand der abhängigen Ansprüche.Advantageous embodiments and developments, which can be used individually or in combination with each other, are the subject of the dependent claims.
Die Anordnung der Teilräume bezüglich einer Erstreckungsebene des Pads, nebeneinander oder nebeneinander und übereinander, kann das Auflösungs- bzw. Auslaugungsergebnis des Padinhalts beeinflussen. Nach einer vorteilhaften Ausgestaltung der Erfindung gemäß Anspruch 3 sind daher die Teilräume bezüglich einer Erstreckungsebene des Filterpads nebeneinander und übereinander angeordnet. Die übereinander liegenden Teilräume oder Kammern des Pads werden in einer Reihenfolge bezüglich der Durchströmungsrichtung von oben nach unten durchströmt. Die Lösung bzw. das Eluat der zuerst durchströmten Kammer fließt also auch durch die ihr nachgeordneten Kammern, wodurch es zu einer besonders guten Durchmischung der Lösungen bzw. Eluate der einzelnen Kammern beziehungsweise Teilräume kommt. Da die untere Kammer bereits durch eine Lösung bzw. ein Eluat beaufschlagt wird, ist davon auszugehen, dass die darin enthaltenen Substanzen anders aufgelöst bzw. ausgelaugt werden als durch Frischwasser.The arrangement of the subspaces with respect to an extension plane of the pad, side by side or side by side and one above the other, can influence the leaching result of the pad contents. According to an advantageous embodiment of the invention according to claim 3, therefore, 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.
Zur Erzeugung der beschriebenen Anordnung von Teilräumen innerhalb eines Pads müssen jedoch die einzelnen Filterlagen nicht zwingend nur an ihren Rändern miteinander verbunden werden. Zur Ausbildung kleinerer und größerer Teilräume können auch unterschiedlich große Filterlagen miteinander verbunden werden, indem eine kleinere Filterlage an ihrem Rand auf einer größeren befestigt wird. Eine weitere, ihrer Größe nach der größeren der beiden ersten Filterlagen entsprechende Lage kann dann an ihrem Rand mit dem vorhandenen Pad zur Ausbildung zweier unterschiedlich großer Teilräume verbunden werden.To produce the described arrangement of subspaces within a pad, however, the individual filter layers do not necessarily have to be connected to one another only at their edges. To form smaller and larger subspaces, 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.
Die Teilräume sind bezüglich der Erstreckungsebene des Filterpads nebeneinander, das heißt also in Durchströmungsrichtung parallel angeordnet sein. Diese Aufteilung der Teilräume hat zur Folge, dass die Teilräume während der Durchströmung mit Wasser im Wesentlichen unabhängig voneinander durchflossen werden. Dadurch kann eine Durchmischung der Lösung bzw. des Eluats bereits in dem Pad oder eine ungleiche Eluierung bzw. Lösung der eingefüllten Substanzen vermieden werden.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.
Erfindungsgemäß sind die Teilräume innerhalb des Pads ausschließlich dadurch gebildet, dass die obere und untere Filterlage an Fügestellen miteinander verbunden sind. Der ursprünglich durchgehende Aufnahmeraum eines Pads wird also erfindungsgemäß durch Fügestellen, zum Beispiel in der Form einer Steppdecke, in mehrere Teilräume unterteilt. In einer sehr einfachen Ausführungsform kann zum Beispiel eine einzige lineare Fügestelle das Pad in zwei gleich oder verschieden große Teilräume unterteilen.According to the invention, 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. For example, in a very simple embodiment, a single linear joint may divide the pad into two equal or different subspaces.
Genauso gut kann sie auch gekrümmt oder kreisförmig verlaufen. Ihr Verlauf kann sich zum einen an technischen Gesichtspunkten orientieren, wie zum Beispiel der Lage der dadurch entstehenden Teilräume und/oder deren Durchströmung. Denn bei einem zentralen Ablauf für das Heißgetränk im Padhalter wird naturgemäß der zentrale Bereich des Pads stärker durchströmt. Dieser Umstand ist bei der Wahl des Verlaufs einer Fügestelle gegebenenfalls zu berücksichtigen. Zum anderen können auch nicht technische Gesichtspunkte den Verlauf einer Fügestelle bestimmen, wie zum Beispiel eine optisch besonders auffällige Unterteilung des Aufnahmeraums eines Pads etwa in Zickzackform. Ein derartiger Verlauf einer Fügestelle kann zum Beispiel dazu dienen, unterschiedlich gefüllte Pads von einander unterscheiden zu können. Schließlich können selbstverständlich mehrere derartige Fügestellen das Pad in nahezu beliebig viele Teilräume unterteilen.It can just as well be curved or circular. Their course can be based on a technical point of view, such as the location of the resulting subspaces and / or their flow. Because in a central sequence for the hot drink in the pad holder naturally the central area of the pad is flowed through more strongly. This circumstance must be taken into account when choosing the course of a joint, if necessary. On the other hand, non-technical aspects can determine the course of a joint, such as an optically particularly striking subdivision of the receiving space of a pad in a zigzag shape. Such a course of a joint can serve, for example, to be able to differentiate differently filled pads from each other. Finally, of course, several such joints divide the pad in almost any number of subspaces.
Erfindungsgemäß ist der Verlauf der Fügestellen unterbrochen. An den Unterbrechungen sind die zwei Filterlagen nicht miteinander verbunden. Über die Unterbrechungen sind dann zwei benachbarte Teilräume mit einander verbunden. Bei einer entsprechenden Größe der Unterbrechungen kann ein Austausch der Substanzen benachbarter Teilräume stattfinden. Damit kann der Benutzer eine zum Beispiel transportbedingte ungleiche Verteilung der Substanzen innerhalb der Teilräume ggf. mechanisch korrigieren. Sind die Unterbrechungen so klein, dass kein Austausch von Substanzen stattfinden kann, bieten sie zumindest dem Wasser einen zusätzlichen Strömungsweg. Dadurch lässt sich die Querdurchströmbarkeit des Pads erhöhen. Bei einem partiellen Stau innerhalb des Pads kann dadurch der Entstehung eines unerwünschten Überdrucks in der Brühkammer entgegengewirkt werden.According to the course of the joints is interrupted. At the interruptions, the two filter layers are not interconnected. About the interruptions then two adjacent subspaces are connected to each other. With a corresponding size of the interruptions, an exchange of the substances of adjacent subspaces can take place. Thus, the user can mechanically correct, for example, a transport-related unequal distribution of the substances within the subspaces, if necessary. If the interruptions are so small that no exchange of substances can take place, they at least provide the water with an additional flow path. As a result, the Querdurchströmbarkeit 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.
Die Teilräume können nicht erfindungsgemäß auch durch mindestens eine separate Teilungswand gebildet sein. Das Einfügen einer separaten Teilungswand in den Aufnahmeraum des Pads stellt zwar einen höheren Aufwand in der Herstellung dar, bewirkt aber jeweils kompaktere Teilräume bei einer im Übrigen unveränderten Gestalt bzw. Außenkontur des Pads. Mit einer oder mehreren Teilungswänden lässt sich sowohl eine Anordnung der Teilräume nebeneinander als auch übereinander bzw. auch Kombinationen daraus bewerkstelligen.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.
Als Material für die Teilungswand kann nahezu jedes beliebige, vorzugsweise flexible, und - je nach Orientierung der Teilungswand parallel oder quer zur Durchströmungsrichtung - durchlässige Material verwendet werden. Nach einer vorteilhaften Weiterbildung der Erfindung besteht die Teilungswand aus einem dem oberen und/oder dem unteren Filterblatt vergleichbaren Material. Bei übereinander angeordneten Teilräumen ist dies erforderlich, weil sonst die Durchströmung des Pads behindert wird. Bei nebeneinander angeordneten Teilräumen dagegen ermöglicht dieses Material auch eine Querdurchströmung des Pads, wodurch es zu einer guten Durchmischung der Lösung bzw. des Eluats, aber auch zu einer Umgehungsströmung kommen kann, sofern sich im Pad ein Bereich verminderter oder gestörter Durchströmung bildet. Gleiche Materialien für die beiden Filterblätter und die Teilungswände können zudem die Herstellung des Pads vereinfachen. Soll dagegen eine Querdurchströmung vermieden werden, z. B. weil eine Durchmischung nicht erwünscht ist, kann die Trennwand auch undurchlässig ausgebildet sein.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. According to an advantageous development of the invention, 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. On the other hand, if a cross-flow should be avoided, for. B. because mixing is not desirable, the partition may be formed impermeable.
An sich ist es nicht erforderlich, dass die Teilungswände ortsfest innerhalb des Pads angeordnet sind, sie können ausschließlich durch die satte Befüllung mit Substanzen gehalten sein. Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung sind sie jedoch durch Fügestellen an dem oberen und/oder unteren Filterblatt angeschlossen. Dies bewirkt vorteilhaft eine Formtreue der Teilräume und schließt eine Durchmischung der im Pad enthaltenen unterschiedlichen Substanzen aus.As such, 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.
Nach einer vorteilhaften Ausgestaltung der Erfindung sind die Fügestellen durch Pressen, Prägen, Verformen oder Kleben unter der Verwendung geringst möglicher Mengen an Klebstoff gebildet. Diese Fügeverfahren stellen sicher, dass sie einen möglichst geringen geschmacklichen Einfluss auf das Getränk haben.According to an advantageous embodiment of the invention, 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.
Den bisher beschriebenen Filterpads ist das Konstruktionsprinzip gemeinsam, dass ihre Teilräume durch Wandungen gebildet werden, die hinsichtlich ihrer Lage mehr oder weniger genau bestimmbar sind. Ein dazu zusatzliches Konstruktionsprinzip des erfinderischen Pads ist, dass sein Aufnahmeraum oder wenigstens einer seiner Teilräume mit Partikeln mit stark unterschiedlicher räumlicher Ausdehnung gefüllt ist. Teilräume werden also nicht mehr durch Wände, sondern durch die Oberflächen von mehreren nicht zusammenhängenden Körpern größerer räumlicher Ausdehnung geschaffen, die durch ihre im Allgemeinen unregelmäßige Anordnung innerhalb des Pads Zwischenräume bilden. Sie stellen Teilräume dar, in denen sich Partikel mit geringerer räumlicher Ausdehnung aufhalten können. Zwischen den Partikeln größerer räumlicher Ausdehnung entsteht also eine Vielzahl relativ gleich verteilter Teilräume, in der kleinere Partikel aufgenommen werden. Die Vielzahl von Teilräumen kann wünschenswert oder erforderlich sein, wenn eine möglichst gleichmäßige Verteilung einer feinkörnigen Substanz notwendig ist. Dies zum Beispiel, um eine gleichmäßige Durchmischung des Eluats zu erzielen oder ein Verklumpen der feineren Substanz nach der Herstellung und/oder während des Lösungs- oder Auslaugungsprozesses zu vermeiden. Da das Pad formschlaff ist, kann eine Verklumpung bei der vorliegenden Ausführungsform auch dadurch wieder beseitigt werden, dass das Pad vor der Benutzung leicht durchgeknetet wird, sodass sich die Klumpen der feineren Substanz zwischen den größeren Partikeln zerreiben.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. This, for example, to achieve a uniform mixing of the eluate or to avoid clumping of the finer substance after the preparation and / or during the solution or leaching process. Since the pad is form-limp, a clumping in the present Embodiment also be eliminated by the fact that the pad is easily kneaded before use, so that the lumps of finer substance between the larger particles rub.
Nach einer weiteren vorteilhafteren Ausgestaltung dieser Variante weisen die Partikel unterschiedlicher Größe außerdem noch ein hinsichtlich der Geschwindigkeit unterschiedliches Auflösungsverhalten auf. Darunter ist die ganze Bandbreite von einem sofortigen Auflösen bei Wasserkontakt bis hin zur Unlöslichkeit zu verstehen. Im Falle der Unlöslichkeit dienen die größeren Partikel lediglich der Erzeugung von fein verteilten Teilräumen, ohne an der gesamten geschmacklichen Ausprägung der Lösung bzw. des Eluats teilzuhaben. Damit lässt sich also ein formschlaffes Pad herstellen, das dennoch über eine gleichmäßige Verteilung von Teilräumen berechenbarer Größen und berechenbaren Umfangs verfügt.According to a further advantageous embodiment of this variant, 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.
Sind mehrere lösliche Partikel mit unterschiedlicher Auflösungsgeschwindigkeit an der Bildung der Lösung bzw. des Eluats beteiligt, so weisen bevorzugt die Partikel größeren Ausmaßes das langsamere Auflösungsverhalten auf. Dann bilden im Wesentlichen sie die Teilräume für die feinteiligen Substanzen. Diese Teilräume sind zum Zweck einer gleichmäßigen Verteilung der feineren Substanzen während des Auflöse- bzw. Auslaugungsprozesses und/oder der Vermeidung einer Verklumpung der feineren Substanzen während dessen möglichst lange aufrecht zu erhalten.If several soluble particles with different dissolution rates are involved in the formation of the solution or of the eluate, 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.
Unabhängig von der Bildung von Teilräumen kann durch das unterschiedliche Auflösungsverhalten auch eine Reihenfolge der Verarbeitung der Substanzen innerhalb eines Pads geschaffen werden. Die Beeinflussung der zeitlichen Reihenfolge, in der unterschiedliche Bestandteile desselben Pads als Lösung bzw. Eluat die Kaffeemaschine verlassen, ermöglicht die Herstellung von geschichteten Kaffeegetränken. Eine vorteilhafte Ausgestaltung der vorher beschriebenen Ausführung besteht darin, dass die größeren Partikel aus geröstetem Kaffee und die kleineren aus Aroma- und/oder Zusatzstoffen bestehen. Denn einerseits lässt sich die Größe der Kaffeepartikel durch den Mahlgrad des Kaffees einstellen. Außerdem verbleiben die Kaffeepartikel ohnehin im Pad, weil sie nicht vollständig aufgelöst, sondern ausgelaugt werden. Andererseits sollen sich die Aroma- und/oder Zusatzstoffe im Allgemeinen vollständig lösen und aus dem Pad ausgespült werden. Sie liegen daher vorteilhaft ohnehin in größerer Feinheit vor, also als kleinere Partikel.Regardless of the formation of subspaces, 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. On the one hand, the size of the coffee particles can be adjusted by the degree of grinding of the coffee. In addition, the coffee particles remain in the pad anyway, because they are not completely dissolved, but leached. On the other hand, 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.
Die Dosierung innerhalb des Pads ist nicht beliebig, sondern genau einzuhalten. Daher ist es wünschenswert, die Teilräume hinsichtlich ihrer Größe bemessen zu können. Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung weisen daher die größeren Partikel eine im Wesentlichen regelmäßige geometrische Form, zum Beispiel eine Kugelform, auf. Die zwischen den Kugeln entstehenden Zwischenräume lassen sich dadurch relativ genau bestimmen, da sowohl der Innenraum des Pads als auch die Summe der Volumina der Kugeln berechenbar sind. Nach einer weiteren Ausgestaltung der Erfindung weisen kugelförmige Partikel einen Durchmesser auf, der etwa der Dicke des Pads in Durchflussrichtung entspricht. Zwischen den Kugeln entstehen dadurch die größtmöglichen Teilräume.The dosage within the pad is not arbitrary, but to comply exactly. Therefore, it is desirable to be able to size the subspaces in terms of their size. According to a further advantageous embodiment of the invention, therefore, 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. According to a further embodiment of the invention 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.
Das Prinzip der Erfindung wird im Folgenden anhand einer Zeichnung beispielshalber noch näher erläutert. In der Zeichnung zeigen schematisch:
- Figur 1:
- ein Pad mit zwei nebeneinander angeordneten Teilräumen in einer Draufsicht und einer Schnittansicht,
- Figur 2:
- ein Pad mit zwei nebeneinander und einem darüber angeordneten Teilraum in einer Draufsicht und einer Schnittansicht,
- Figur 3:
- ein Pad mit mehreren konzentrisch angeordneten Teilräumen in einer Draufsicht und einer Schnittansicht, und
- Figur 4:
- ein Pad mit einer Füllung aus zwei stark unterschiedlich großen Partikeln.
- FIG. 1:
- a pad with two juxtaposed subspaces in a plan view and a sectional view,
- FIG. 2:
- a pad with two side by side and a sub-space arranged above it in a plan view and a sectional view,
- FIG. 3:
- a pad with a plurality of concentrically arranged subspaces in a plan view and a sectional view, and
- FIG. 4:
- a pad with a filling of two particles of different sizes.
Der lineare Verlauf und die Lage der Fügestelle 8 sind nur exemplarisch zu verstehen. Sie kann selbstverständlich zum Beispiel auch gekrümmt oder kreisförmig verlaufen, wie in
Das Pad 1 in
Die Erfindung bietet nicht nur die Möglichkeit, einen Aufnahmeraum in zwei nebeneinander angeordnete Teilräume zu unterteilen, sondern auch in solche, die übereinander angeordnet sind. Eine derartige Ausführungsform ist in
Wird nun das Pad 20 bestimmungsgemäß mit Heißwasser beaufschlagt, so werden zwar die Teilräume 30, 32 weiterhin mehr oder weniger gleichzeitig durchströmt. In der Strömungsrichtung A von oben nach unten durchströmt das Wasser jetzt jedoch zuerst den Teilraum 34, eluiert bzw. löst die darin enthaltenen Substanzen und strömt erst anschließend durch die Teilräume 30, 32. Dadurch ergibt sich also eine Durchströmungsreihenfolge, wonach zuerst der Teilraum 34 und erst anschließend die Teilräume 30 und 32 durchströmt werden. Dies bedeutet auch, dass die Teilräume 30, 32 nicht von Frischwasser erreicht werden, sondern von Eluat, das sich bereits in dem Teilraum 34 gebildet hat. Dadurch kann sich bei der anschließenden Durchströmung der Teilräume 30, 32 ein anderes Eluier- bzw. Lösungsverhalten ergeben, als wenn diese Teilräume 30, 32 durch Frischwasser beaufschlagt würden. Jedenfalls findet eine Durchmischung des Eluats aus den Teilräumen 34 und 30 bzw. 32 bereits oberhalb des unteren Filterblatts 26 statt - dies im Gegensatz zum Pad 1 gemäß
Auch in diesem Ausführungsbeispiel ist insbesondere die Anordnung des mittleren Filterblatts 24 exemplarisch zu verstehen. So kann die Fügestelle 38 das mittlere Filterblatt 24 selbstverständlich auch mit dem oberen Filterblatt 22 verbinden. Das mittlere Filterblatt 24 muss auch nicht zwingend am gemeinsamen Umfang 36 mit dem oberen Filterblatt 22 und dem unteren Filterblatt 26 verbunden sein. Vielmehr kann es auch einen kleineren Durchmesser als diese aufweisen und nur am oberen Filterblatt 22 oder am unteren Filterblatt 26 befestigt sein. Ein Kriterium für eine derartige Ausgestaltung kann in der Anforderung bestehen, auch bei übereinander angeordneten Teilräumen einen davon wenigstens teilweise mit Frischwasser zu beaufschlagen.Also in this embodiment, in particular the arrangement of the
Das Pad 40 gemäß
Die Fügestellen 42, 46 sind durchgehend ausgebildet, sie verbinden also die Filterblätter 41 entlang ihrer gesamten Länge miteinander. Dagegen hat die Fügestelle 44 einen unterbrochenen Verlauf: auf Verbindungsstellen 54, an denen die beiden Filterblätter fest miteinander verbunden sind, folgen Unterbrechungen 56. Der Teilraum 50 setzt sich dadurch aus zwei Ringräumen 58, 59 zusammen, die über die Unterbrechungen 56 miteinander verbunden sind. Der Teilraum 52 ist also von seinem benachbarten Teilraum 50 vollständig getrennt. Zwischen den Ringräumen 58, 59 kann aber ein begrenzter Austausch von Wasser und/oder Partikeln stattfinden. Er verleiht dem Pad 40 im Bereich des Teilraums 50 eine bessere Querdurchströmbarkeit. Bei partiell schlechterer oder verhinderter Durchströmung des Pads 40 in Durchströmungsrichtung kann sich das Wasser bzw. Eluat über die Unterbrechung 56 einen alternativen Weg suchen, so dass es nicht zum Aufbau eines unerwünschten Überdrucks kommen kann.The
Ein zusätzliches Prinzip der Erzeugung von Teilräumen in einem Aufnahmeraum eines Pads stellt
Die Substrate 70, 72 unterscheiden sich nicht nur hinsichtlich ihrer Größe, sondern auch hinsichtlich ihres Auflösungsverhaltens. Das kann physikalisch-chemische Gründe haben oder sich einfach aus der unterschiedlichen Größe der Partikel 70, 72 ergeben. Jedenfalls lösen sich die feineren Partikel 72 schneller, so dass bei einer Beaufschlagung des Pads 60 mit Wasser sie zuerst gelöst bzw. eluiert werden und in den Auslauf der Getränkemaschine gelangen. Gleichzeitig, aber im Ergebnis langsamer, setzt auch die Lösung bzw. Eluierung der größeren Partikel 70 ein. Deren Inhaltsstoffe werden aber erst später in das Heißwasser abgegeben. Auf diese Weise kann also eine Reihenfolge der Auflösung bzw. Eluierung der Substrate 70, 72 innerhalb des Pads 60 geschaffen werden.The
Die langsamere Auflösung der größeren Partikel 70 hat aber auch den Zweck, dass die Zwischenräume 74 innerhalb des Aufnahmeraums 68 zumindest so lange aufrecht erhalten werden, bis sich die feineren Partikel 72 vollständig gelöst haben bzw. eluiert sind. Die feine Verteilung der Zwischenräume 74 ist dafür erforderlich, dass die feineren Partikel während ihres Eluierungs- bzw. Auflöseprozesses unter Wasserzutritt nicht miteinander verklumpen. Sie können beispielsweise Kaffeeweißer, Kakao oder andere Aromastoffe darstellen. Die großen Partikel 70 dagegen können entweder, wie oben beschrieben, ihrerseits an der Bildung des Kaffeegetränks durch ihre Lösung bzw. Eluation beitragen, indem sie z. B. aus Partikeln gerösteten Kaffees bestehen. Bei den Partikeln 70 kann es sich jedoch auch um solche handeln, die lediglich der Bildung von Zwischenräumen 74 innerhalb des Aufnahmeraums 68 dienen. Sie sind dann unlöslich ausgebildet.However, the slower dissolution of the
Diese Art der Erzeugung von Zwischenräumen 74 bietet auch die Möglichkeit, die Zwischenräume 74 hinsichtlich ihrer Größe eindeutig zu bestimmen. Denn je größer der Durchmesser der kugeligen Partikel 70, um so größer ist der dazwischen verbleibende Raum bzw. sind die Zwischenräume 74, und umso geringer ist deren Anzahl. Das Gesamtvolumen der Zwischenräume 74 lässt sich umgekehrt dadurch verringern bzw. die Anzahl der Teilräume vergrößern und ihr jeweiliges Volumen verkleinern, indem der Durchmesser der Partikel 70 kleiner gewählt wird. Schließlich sind die Partikel 70 nicht auf eine kugelige Form beschränkt, sondern können jede regelmäßige oder unregelmäßige Form annehmen - mit den jeweiligen Konsequenzen für die Ausbildung der Zwischenräume 74.This way of creating
Da es sich bei den vorhergehenden, detailliert beschriebenen Pads um Ausführungsbeispiele handelt, können sie in üblicher Weise vom Fachmann in einem weiten Umfang modifiziert werden, ohne den Bereich der Erfindung wie beansprucht zu verlassen. Insbesondere können die Pads auch andere Umfangsformen als die kreisförmigen aufweisen. Weiterhin schließt die Verwendung der unbestimmten Artikel "ein" bzw. "eine" nicht aus, dass die betreffenden Merkmale auch mehrfach vorhanden sein können.Since the foregoing pads, described in detail, 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. In particular, the pads may also have other peripheral shapes than the circular ones. Furthermore, the use of the indefinite article "on" or "one" does not exclude that the characteristics in question may also be present multiple times.
Bezugszeichenliste
- 1 -
- Pad
- 2 -
- oberes Filterblatt
- 4 -
- unteres Filterblatt
- 5 -
- Aufnahmeraum
- 6 -
- Umfang
- 7 -
- Verbindungsstelle
- 8 -
- Fügestelle
- 10 -
- Teilraum
- 12 -
- Teilraum
- 20 -
- Pad
- 22 -
- oberes Filterblatt
- 24 -
- mittleres Filterblatt
- 26 -
- unteres Filterblatt
- 28 -
- Aufnahmeraum
- 30 -
- Teilraum
- 32 -
- Teilraum
- 34 -
- Teilraum
- 36 -
- Umfang
- 38 -
- Fügestelle
- 40 -
- Pad
- 41 -
- Filterblatt
- 42 -
- Fügestelle
- 44 -
- unterbrochene Fügestelle
- 46 -
- Fügestelle
- 50 -
- Teilraum
- 52 -
- Teilraum
- 54 -
- Verbindungsstelle
- 56 -
- Unterbrechung
- 58 -
- Ringraum
- 59 -
- Ringraum
- 60 -
- Pad
- 62 -
- oberes Filterblatt
- 64 -
- unteres Filterblatt
- 66 -
- Umfang
- 68 -
- Aufnahmeraum
- 70 -
- Substrat
- 72 -
- Substrat
- 74 -
- Zwischenraum
- A -
- Durchströmungsrichtung
- M -
Mittelpunkt des Pads 40
- 1 -
- pad
- 2 -
- upper filter sheet
- 4 -
- lower filter sheet
- 5 -
- accommodation space
- 6 -
- scope
- 7 -
- junction
- 8th -
- joint
- 10 -
- subspace
- 12 -
- subspace
- 20 -
- pad
- 22 -
- upper filter sheet
- 24 -
- middle filter sheet
- 26 -
- lower filter sheet
- 28 -
- accommodation space
- 30 -
- subspace
- 32 -
- subspace
- 34 -
- subspace
- 36 -
- scope
- 38 -
- joint
- 40 -
- pad
- 41 -
- filter sheet
- 42 -
- joint
- 44 -
- interrupted joint
- 46 -
- joint
- 50 -
- subspace
- 52 -
- subspace
- 54 -
- junction
- 56 -
- interruption
- 58 -
- annulus
- 59 -
- annulus
- 60 -
- pad
- 62 -
- upper filter sheet
- 64 -
- lower filter sheet
- 66 -
- scope
- 68 -
- accommodation space
- 70 -
- substratum
- 72 -
- substratum
- 74 -
- gap
- A -
- Flow direction
- M -
- Center of the
pad 40
Claims (10)
- Flexible filter pod for preparation of a hot beverage in a pod machine, which comprises an upper filter leaf (2; 22; 41; 62) and a lower filter leaf (4; 26; 41; 64) and a receiving space (5; 28; 68), which is disposed therebetween, for receiving leachable and/or at least partly soluble substances (70; 72), which space is subdivided into sub-chambers (10; 12; 30; 32; 58; 59) arranged adjacent to one another with respect to an extension plane of the filter pod (1; 20; 40; 60), characterised in that the sub-chambers (10; 12; 30; 32; 58; 59) are formed exclusively by at least one joint location (8; 38; 44), which has an interrupted course, between the upper filter layer (2; 24; 41) and the lower filter layer (4; 26; 41).
- Filter pad according to claim 1, characterised in that the filter pod (20) comprises at least three filter layers (22; 24; 26), which are connected together merely at the edges (36) thereof.
- Filter pod according to claim 2, characterised in the sub-chambers (30, 32; 34) are arranged adjacent to one another and one above the other with respect to an extension plane of the filter pod (22; 40; 60).
- Filter pod according to claim 1, characterised in that the joint locations are formed by pressing, glueing and/or deforming.
- Filter pod according to any one of the preceding claims, characterised in that the receiving space (68) within the pod is filled with particles (70; 72) with significantly different physical dimension.
- Filter pod according to claim 5, characterised in that the particles (70; 72) of different size additionally have a different solubility behaviour.
- Filter pod according to claim 5 or 6, characterised in that the larger particles (70) dissolve more slowly than the smaller particles (72).
- Filter pod according to any one of claims 5 to 7, characterised in that larger particles (70) consist of roasted coffee and smaller particles (72) consist of additives and/or aromatic substances.
- Filter pod according to any one of claims 5 to 8, characterised in that the larger particles (70) have a regular geometric shape, particularly spherical shape.
- Filter pod according to claim 9, characterised in that the diameter of the spheres approximately corresponds with the thickness of the pod.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005061927A DE102005061927A1 (en) | 2005-12-23 | 2005-12-23 | Shapely pad |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1801034A2 EP1801034A2 (en) | 2007-06-27 |
EP1801034A3 EP1801034A3 (en) | 2008-07-02 |
EP1801034B1 true EP1801034B1 (en) | 2013-05-22 |
Family
ID=37963599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06126633.4A Not-in-force EP1801034B1 (en) | 2005-12-23 | 2006-12-20 | Flexible pad |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1801034B1 (en) |
DE (1) | DE102005061927A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITBO20100234A1 (en) * | 2010-04-15 | 2011-10-16 | Aroma System Srl | MULTIPLE POD CONTAINING TWO OR MORE SEPARATE PRODUCTS BETWEEN THEM AND PROCESSING TO REALIZE IT |
SG11201501941TA (en) | 2012-10-12 | 2015-04-29 | Nestec Sa | Food capsule with multiple compartments |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH513752A (en) * | 1968-12-30 | 1971-10-15 | Procter & Gamble | Divisible coffee pack |
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 |
CN1681425A (en) * | 2002-09-20 | 2005-10-12 | 雀巢技术公司 | Method, device, and capsule for preparing a foamy liquid food |
JP4477581B2 (en) * | 2003-03-03 | 2010-06-09 | ザ プロクター アンド ギャンブル カンパニー | Liquid injection pod containing insoluble material |
EP1510159A1 (en) * | 2003-08-25 | 2005-03-02 | Nestec S.A. | Procedure for making a food product |
DE20319191U1 (en) | 2003-12-11 | 2004-06-09 | Lee, Sara | Semi-flexible filter pad for the preparation of e.g. hot coffee has water- permeable top panel impermeable to solid ingredients and lower panel permeable to dissolved ingredients |
-
2005
- 2005-12-23 DE DE102005061927A patent/DE102005061927A1/en not_active Ceased
-
2006
- 2006-12-20 EP EP06126633.4A patent/EP1801034B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP1801034A2 (en) | 2007-06-27 |
DE102005061927A1 (en) | 2007-06-28 |
EP1801034A3 (en) | 2008-07-02 |
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