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    • 专利摘要:
    PORTION CAPSULE, METHOD FOR THEIR PRODUCTION, METHOD FOR THE PRODUCTION OF A DRINK USING A PORTION CAPSULE AND USE OF THE SAME.The present invention relates to a portion capsule (1) for producing a beverage, said portion capsule (1) having a capsule body with a capsule floor and a filling side (4), wherein a cavity for receiving a liquid or powdered beverage base is formed between the capsule floor and the filling side (4), in which a filter element (7) is disposed between the beverage base and the capsule base ( 3), and wherein the filter element (7) comprises a nonwoven which is arranged in the area of the capsule floor.
    公开号:BR112012020159A2
    申请号:R112012020159-0
    申请日:2011-09-20
    公开日:2020-08-25
    发明作者:Gotthard Mahlich
    申请人:K-Fee System Gmbh；
    IPC主号:
    专利说明:

    SS 127 Invention Patent Descriptive Report for "CAPSULE" OF PORTION, METHOD FOR ITS PRODUCTION, METHOD FOR PRO- "* PRODUCTION OF A DRINK USING A CAPSULE OF PORTION AND USE OF THE SAME". Background Art The present invention relates to a portion capsule for producing a beverage, which has a capsule body with a capsule base and a filling side, with a cavity to accommodate a liquid or powdery beverage base being formed. between the base of: 10 capsules and the filling side, and with a filter element being disposed between the drink base and the capsule base. . Such portion capsules are generally known from the prior art. By way of example, EP 1792850 B1, EP 1344722 A1 and US 2003/0172813 A1 disclose portion capsules of this generic type for preparing coffee and espresso.
    Portion capsules of this type for producing a drink are preferably in the form of a truncated cylinder or cone and are produced, for example, from a thermoformed plastic film or through the use of an injection molding process. plastic. Said portion capsules usually have an open padding side with a collar edge on which a thin sheet or cover film is sealed or bonded in an adhesive manner, a closed capsule base, with a particle screen that is supported against the capsule base that is disposed between the drink base and the capsule base. These screens are injection molded from a thermoplastic or are thermoformed or covered with a plastic film.
    For the purpose of preparing a coffee drink, the serving capsule is inserted into an infusion chamber of a preparation device. After or during the closing process of the infusion chamber, the capsule is preferably opened on its closed base side by means of an opening mandrel which is arranged in the infusion chamber and, after the infusion chamber is sealed , the filling side of the portion capsule, the filling side of which is sealed by a thin sheet or film
    2/27. sealing, is punctured by means of a puncture. Liquid: from preparation, preferably hot water, the portion under pressure is then delivered in the capsule. The preparation liquid flows through the drink base and extracts and / or dissolves the substances, which are required to produce the drink, from the drink base. For the purpose of preparing an espresso, for example, an infusion water pressure of up to 2,000 kPa (20 bar) acts on the coffee powder for the purpose of extracting essential oils. This pressure also acts on the particle screen that is located between the coffee powder and the capsule base and in front of the punctured capsule outlet. “10 A disadvantage of screens that are produced by means of a plastic injection molding process or by using a stamping or thermoforming process is, however, that the openings in the screen holes must be smaller than those smaller coffee particles in order to retain the coffee particles. Since a certain proportion of dust is necessarily produced in a milling process, coffee particles pass if the screen holes are too large or the screens are clogged if the screen holes are too small, in particular at high pressures. In addition, corresponding support elements that act against the capsule base are required below the screens in order to absorb infusion water pressures of up to
    2,000 kPa (20 bar) and to prevent deformation of the screens as a result of high infusion water pressure (along with a high infusion water temperature). These support elements require, not advantageously, that additional material be used, particularly in the case of screen layouts produced through the use of an injection molding process, the result of which is to increase production costs.
    Therefore, the prior art reveals portion capsules with screen arrangements that are designed to avoid these disadvantages. The documents US 2778739, EP 1710173 A1 and US 5352765 disclose portion capsules that have screen arrangements consisting of a screen support with relatively large through-openings, with those openings being covered by a filter material. A disadvantage of these provisions
    i '3/27' tions is that additional material and manufacturing costs are due to the formation of such screen arrangements as they consist of a stable screen support and the filter material that is arranged in the screen support.
    Both in the case of screens with screen holes and in the case of screen arrangements with an additional filter material, it is necessary to ensure that the finished drink that passes through the screen arrangement can flow into a drain opening for the capsule; that is, a free space for the discharge of a drink has to be provided between the capsule base and the “10 screen layout. In addition, screen layouts of this type assume their: own proportion of space in the portion capsule, which leads to an increase in the volume of the capsule and, thus, necessarily and in a similar way, to the additional material being used.
    The aim of the present invention was, therefore, to provide a portion cap which has a filter arrangement, the portion capsule of which is less costly to manufacture compared to the prior art and in which the disadvantages described in connection with the prior art are at the same time avoided.
    This objective is achieved by a portion capsule for producing a drink, which has a capsule body with a cap base and a filling side, with a cavity to accommodate a liquid or powdery drink base being formed between the capsule base and the filling side, with a filter element being disposed between the beverage base and the capsule base, and with the filter element comprising a non-woven that is disposed in the region of the base capsule.
    In comparison with the prior art, the portion capsule according to the invention has the advantage that a simple and cost efficient filter nonwoven is used as the filter screen. A plastic injection molding process or a complicated stamping and thermoforming process to produce the fabrics can therefore be avoided. Production costs are therefore considerably reduced. In addition, a support structure is not required as the non-woven fabric is supported by the 4127 ”directly on the capsule base. In addition, a filter nonwoven has the advantage over plastic filters known from the prior art in that it has a considerably wider liquid inlet surface. In addition, transverse liquid flow (parallel to the main extension plane of the - filter plane) is made possible, the result of which is to obtain the optimized flow and mixing behavior. It was also found that the risk of the screens becoming clogged is considerably reduced or practically eliminated when a non-woven filter is used. Surprisingly, the filter nonwoven has proven to be resistant to clogging both in the case of a “10 drink preparation that is under a relatively low pressure and in the case of a drink preparation with a preparation liquid that is under under relatively high pressure. In addition, a flow of transverse liquid in the filter nonwoven is always reliably maintained and flow of liquids entering the non-woven defttoto a flow opening is always reliably guaranteed. In spite of this, a so-called "cream", that is, foam, is formed in the drink, particularly in espresso. The portion capsule encompassed by the meaning of the present invention comprises a portion capsule preferably hermetically sealed. This means that the drink or food product powder, for example, coffee powder, powder for soup or tea, located in the serving capsule is sealed from the environment in a substantially impervious to aroma way before the extraction process. However, the portion capsule does not have to be hermetically sealed, but instead it can also be supplied in a hermetically sealed package before use, the said package being then opened, for example manually.
    A nonwoven covered by the meaning of the invention is an unordered nonwoven structure comprising fibers, in particular plastic fibers. A nonwoven covered by the meaning of the invention preferably does not contain any paper or paper-like materials.
    According to a further embodiment of the present invention, arrangements are made for the nonwoven to comprise a material
    '' 5/27. nonwoven which is produced from thin plastic fibers, for example, thin polyester fibers and, in particular, is a random fiber nonwoven and / or fiber oriented nonwoven. The nonwoven preferably has a mass per unit area (also called the basis weight or weight) of between 40 and 100 grams per square meter, particularly preferably between 60 and 80 grams per square meter, and very - preferably preferably of substantially 70 grams per square meter. The filter element or the nonwoven preferably has a thickness of between 0.2 and 0.8 millimeters, particularly preferably between 10 and 0.3 and 0.35 millimeters, and most particularly preferably substantially. 0.32 millimeters. The nonwoven is formed in such a way that the air permeability of the nonwoven is preferably between 1,000 and 3,000 V (m S), particularly preferably between 1,500 and 2,500 V (m S), and most particularly preferably substantially 2,000 I / (m S) at a pressure of 100 pascals. Surprisingly and unpredictably, it was found that optimal results in terms of extraction efficiency, mixing and flow behavior and also resistance to clogging can be achieved with non-woven fabrics of this type and that "cream" is formed in spite of this. .
    The nonwoven is preferably arranged at the base of the capsule so that it rests on the largest possible surface area. The non-woven fabric is particularly preferably sealed to the base, in particular by ultrasound. The nonwoven is also preferably stretched before being fixed to the capsule, in particular to the capsule base, in order to improve the base support.
    When the capsule is opened by means of a perforation, it is advantageous that the perforation means move the nonwoven away from the capsule base and thus further stretch or stretch said nonwoven. In that case, the drilling medium can enter or penetrate the nonwoven. The nonwoven is preferably larger than the capsule base on which it rests, so that the nonwoven protrudes, to a certain extent, at the edge.
    According to an additional matter or an additional modality
    : '6/27' of the present invention, the filter element has a felt structure. Said felt structure is, in particular, a needle felt structure. o The filter element preferably consists of at least one felt structure and one support structure, in particular a woven structure, with the felt structure, at least one subsection of the volume, in particular preferably comprising the support structure . The felt structure preferably extends over the entire cross section of the support structure, but in particular preferably only over the height sub-region. The felt structure is preferably connected to the support structure in a locked way, by force and / or cohesive adjustment. O . The filter element preferably has two or more felt structures which are preferably separated from each other by the support structure. The thickness of the two felt structures can be the same or different. A felt structure facing the powder or tea is preferably thinner than the felt structure facing the capsule base, or vice versa. The surface of the felt structure is preferably treated, for example, heat treated, in order to fix, for example, loose fibers. The filter element that has a felt structure is preferably only inserted in the capsule, in particular at the base of the capsule. However, the filter element can still be connected to the capsule, in particular to the base of the capsule, in particular in a cohesive manner. During drilling, the drilling medium can enter the filter element. A plurality of filter elements, which have one or more felt structures and a support structure, are preferably arranged on top of each other in the capsule, possibly in a manner connected with one another.
    A filter element with a felt structure has the advantage that no "cream" is formed in a coffee, espresso or similar, and that bubbles are not formed in a tea.
    A filter element that has a support structure, in particular a woven structure, and a felt structure is produced, for example, by a woven structure that comprises longitudinal and cross threads being supplied. In order to build a felt, in particular a felt
    7/27. of needle, fiber units from 0.8 to 7 dtex are preferably selected. The individual fibers are connected together to form a felt -º and / or are anchored in the support structure preferably by the needling production process. In this case, needles with inverted splinters are inserted into and pulled from the pre-placed fiber bundle at high speed. Due to the inverted barbs, the fibers are intertwined with each other and / or with the supporting fabric through a large number of loops that are produced. The support element that has one or more felt structures “10 preferably has a mass per unit area (also called: the basis weight or weight) of between 100 and 800 grams per square meter, particularly preferably between 200 and 650 grams per square meter, and most particularly preferably substantially 150 to 250 grams per square meter to produce tea and 600 to 700 grams per square meter to produce coffee, espresso or the like. The filter element or the nonwoven preferably has a thickness of between 0.8 and 3.3 millimeters, particularly preferably between 1.1 and 3.0 millimeters, and most particularly preferably between 1.2 and 1.4 millimeters to produce tea and 2.6 to 3.0 to produce coffee.
    According to an additional matter or an additional embodiment of the present invention, arrangements are made for the filter element to comprise an open pore sponge and / or an open pore foam which is arranged in the region of the capsule base. Surprisingly and unpredictably, it has been found that the above mentioned advantages over the prior art, for example, lower production costs, resistance to clogging, transverse liquid flow and also improved mixing and flow behavior, can be achieved in the same way with a filter element that is in the form of an open pore sponge and / or a filter element that is in the form of an open pore foam. In particular, both the nonwoven, the open pore sponge and the open pore foam have a microporosity that allows the flow of transversal liquid and therefore makes resistance to clogging possible
    '' 8/27. dog. The sponge comprises, for example, a rectified polyurethane foam.
    o The filter element, that is, for example, non-woven, felt, sponge or foam, is preferably simply inserted into the capsule body and then rests loosely on the capsule base or is connected to said capsule base and / or to the side wall of the capsule, particularly by welding, for example, by using ultrasound, before the capsule body is filled with the beverage base. The capsule body is preferably in the form of a truncated cylinder or cone and is, for example, produced from plastic, a natural material and / or a material. biodegradable which comprises a thermoformed plastic film or through the use of a plastic injection molding process. The capsule body preferably has, on the filling side, a collar edge on which a thin sheet or cover film is sealed or bonded in an adhesive manner. As an alternative, it is feasible that the capsule body and a capsule cover are connected to each other by means of a mechanical method. The base of the portion capsule is preferably closed and is preferably first pierced in the infusion chamber through a piercing means to produce a flow opening, said piercing means acting on the capsule base. portion on the outside. However, another viable alternative would be for the base of the portion capsule to already be equipped with an outlet opening at the factory, the said outlet opening being preferably sealed by means of a thin sheet or sealing film. The thin sheet or sealing film can be perforated, for example, through the perforation medium or can be removed from the capsule base manually. The filter nonwoven is preferably tear resistant. The thin sheet or sealing film is preferably a plastic film that has at least one barrier layer, for example, a metal layer, in particular an aluminum layer. The plastic film preferably has a "peelable layer" on its side facing the capsule, in order to be able to remove the plastic film from the capsule base with relative ease.
    '' 9/27: The outlet opening is preferably provided in such a size that it can accommodate a drilling medium, which may be present, in a contact-free manner. The outlet opening is, in particular, preferably supplied in such a size that it does not exhibit a noticeable loss of pressure when the finished beverage flows out, in particular that there is no observable swirling movement of the finished beverage, which could lead to air entering the drink and therefore foaming. According to an additional matter or an additional modality of the present invention, arrangements are made so that the element “10 filter” is elastic and is arranged and / or fixed, at least in its region. edge, in the region of the capsule base. When the capsule base is passed through an external piercing means, the filter element may, when made in contact with the piercing medium, yield or be stretched, due to its elasticity, in such a way that the perforation of the filter element is avoided. This eliminates the risk of the filter element being pierced by the piercing means and the beverage substance being removed by washing the portion capsule without being filtered. There is no need for a fixed spacing between the filter element and the capsule base, as shown from the prior art, as this distance is automatically created by the middle of the hole. In addition, a collection tank for the beverage liquid that passes through the filter element is produced under the filter element in this way.
    According to an additional matter or an additional embodiment of the present invention, arrangements are made for the defiltt element to be stretched, punctured and / or pierced by the drilling medium. According to an additional subject or an additional modality! of the present invention, arrangements are made for the filter element to be disposed in the cavity in the portion capsule and to rest on one side of the capsule base facing the filling side. The production costs for the portion capsule are considerably reduced advantageously, as the filter element is simply inserted loosely into the portion capsule. The filter element is
    '10/27: preferably fixed by the beverage substance which, when the portion capsule is filled, is disposed on the filter element and therefore holds the filter element firmly.
    According to an additional matter or an additional embodiment of the present invention, arrangements are made for the diameter of the filter element to be greater than the diameter of the capsule base. When the portion capsule is filled with the beverage substance, the filter element is advantageously pressed against the base region, with the spare edge region necessarily firmly fitted against “10 a side wall region of the portion capsule and protruding in the direction. the filling side or being bent in the direction of the filling side. This has the advantage that when a central region of the filter element is lifted from the base as a result of mechanical contact with the drilling medium that enters the base region from the outside, the edge region slides down towards the capsule base and towards the central region, and therefore no beverage substance flows, in an unfiltered state, around the filter element towards the outlet opening after the edge of the filter element. This makes it possible, in particular, for the filter element to be lifted off the capsule base even in the case of a non-elastic filter element, without the filter effect being adversely affected. In the case of an elastic filter element, lifting the central region is at least assisted without adversely affecting the filter effect through the sliding edge region of the filter element since it is feasible to combine stretching and sliding of the filter element in the case of perforation of the capsule base as well.
    According to an additional matter or an additional embodiment of the present invention, arrangements are made so that the filter element has an edge region that projects substantially towards the filling side and / or is flexed towards the pre-filling side. In this way, it is also possible to achieve the advantages described above according to which the edge region slides towards the capsule base or towards the central region as soon as the element
    '11/27' filter is raised in the central region. In accordance with an additional embodiment of the present invention, arrangements are made for the edge region to extend at least partially along a side wall region of the capsule body, with the side wall region being extended. extending between the filling side and the capsule base.
    The edge region is advantageously pressed against the side wall region by the beverage substance when the portion capsule is filled, the result of which is to obtain an improved sealing effect between the side wall region and the filter element. “10 Particularly in the case of sliding of the filter element described above, this prevents infusion water from flowing around the filter element without obstruction.
    In accordance with an additional embodiment of the present invention, arrangements are made for the filter element to cover completely or only partially the capsule base.
    In particular, it is sufficient that the filter element is arranged only in the region of the perforation or in the region of an outlet opening in the capsule base.
    According to a further embodiment of the present invention, arrangements are made for the filter element to be fixed to the capsule base, with the filter element preferably being fixed to the capsule base in a cohesive manner, in particular by sealing.
    This advantageously prevents the filter element from slipping.
    This fixation is preferably carried out by means of ultrasonic welding.
    In accordance with a further embodiment of the present invention, arrangements are made for the filter element to be attached to the capsule base in an edge region of the capsule base, and / or for the filter element to be attached to the wall region side in an edge region of the filter element.
    This advantageously prevents the filter element from sliding downwards and increases the sealing effect between the capsule body and the filter element, but with this it is also possible to raise the filter element in its central region at the same time.
    In this case, the filter element is preferably elastic.
    12/27: In accordance with an additional embodiment of the present invention, arrangements are made for the capsule base to protrude in the opposite direction to the padding side. The protrusion advantageously serves to accommodate the piercing medium, so that when the piercing medium punctures the capsule base, the capsule base is punctured in the protrusion region, but the piercing medium then remains in the cavity in the protrusion. . This prevents perforation of the filter element. In particular, it is not necessary for the filter element to be lifted by the piercing means in this embodiment. However, the filter element can be designed to be lifted by the drilling means in order to exclude accidental BR perforation in any case.
    According to an additional matter or an additional embodiment of the present invention, arrangements are made for the filter element to be formed in such a way that, when the capsule base is pierced by an external piercing means, the element filter element is at least partially lifted from the capsule base. This effectively prevents the filter element from being punctured by the drilling medium.
    In accordance with an additional embodiment of the present invention, arrangements are made for the filter element to be lifted from the capsule base only in a central region and continue to rest on the capsule base or remain attached to the capsule base in the edge region of the capsule base. This advantageously prevents the filter element from slipping and increases the sealing effect between the capsule body and the filter element, but it is also possible to raise the filter element in its central region at the same time. In that case, the filter element is preferably elastic.
    According to an additional matter or an additional embodiment of the present invention, arrangements are made for the filter element to be formed in such a way that, when the capsule base is perfused by an external piercing medium, the filter element is lifted from the capsule base in the central region of said filter element and an edge region of the filter element, whose edge region previously projected on the
    '13/27: direction of the filling side moves at least partially towards the capsule base. In this way, it is possible to achieve the advantages described above, according to which the edge region slides towards the capsule base or towards the central region as soon as the filter nonwoven is lifted by the drilling medium in the region center and therefore no beverage substance flows in an unfiltered state after the edge of the filter element around the filter element in the direction of the outlet opening.
    According to an additional matter or an additional embodiment of the present invention, arrangements are made for the BR filter element to have a material reservoir. A material reservoir advantageously allows the filter element to be lifted off the capsule base in the central region of said filter element, although the filter element, in its edge region, is connected in a firm way (in particular in a cohesive manner) based on capsule and be substantially inelastic. The material reservoir comprises, in particular, a folded or corrugated region in the filter element, said region being partially smoothed when the central region is lifted from the capsule base by the drilling medium. This ensures that when the capsule base is punctured by an external piercing means, the filter element is lifted from the capsule base in the central region of said filter element and the material of the filter element moves from the reservoir of material in the direction of the central region, so that the surface of the filter element, whose surface increases in size as a result of the lifting process, is compensated by the material of the material reservoir.
    In accordance with an additional embodiment of the present invention, arrangements are made for the capsule base to have a predetermined breaking point which is intended to open as a result of mechanical contact with an external drilling medium, with the predetermined breaking point preferably having a plurality of lines of weakness which are arranged in a star shape around a central point of the capsule base. The capsule base preferably has a thickness
    '14/27: reduced material length along the lines of weakness and / or is perforated along the lines of weakness.
    Perforation of the capsule base is advantageously aided by the implantation of the predetermined breaking point.
    This also has the advantage that a less sharp drill tip for drilling the capsule base can be used and therefore the risk of damage to the filter element when the filter element is raised by the drill tip is reduced .
    In particular, a blind piercing means is now sufficient to pierce the capsule base.
    According to an additional embodiment, the capsule base permanently has an outlet opening which is preferably provided by a thin film or sheet, with the film or thin sheet in particular preferably having a removal tab to remove the film or thin sheet manually.
    Perforation of the capsule base by means of external drilling means is advantageously unnecessary in this case.
    Before the portion capsule is inserted into the infusion chamber, the thin film or sheet is simply removed from the capsule base via the removal tab and the infusion process can be started.
    The combination of a prefabricated outlet opening and therefore considerably large, with a filter element comprising nonwoven, felt, in particular needle felt, foam or material sponge, has the advantage that the beverage liquid does not it flows out of the outlet opening under high pressure and therefore the formation of foam ("cream"), particularly in the production of an American or tea, is avoided.
    A further matter of the present invention is a method for —producing the capsule according to the invention, wherein the filter element is cut from a fabric web and inserted into the capsule.
    The cut filter element is preferably carried at least a certain distance by the blade, in particular a concave blade, which cuts through it.
    The cut filter element is preferably transported additionally by a sonotrode, which is required for ultrasonic welding, and / or pressed against the capsule, in particular its base.
    An additional matter of the present invention is a method for
    : 15/27: producing a drink using a serving capsule, in | that the portion capsule is provided in a first stage of the method, in which the capsule base is pierced by means of an external piercing means in a second stage of the method, and in which the filter element is at least partially away from the capsule base in a third step of the method. In the third step of the method, the filter element is preferably lifted from the capsule base by the piercing means in such a way that it is removed from the perforated capsule base. In this case, the capsule base is perforated in the region of a central point and, therefore, the “10 filter element is simultaneously raised mainly in its central region, while: while it remains preferably resting on the capsule base or remains fixed capsule-based in the edge region of said filter element. In this way, the sealing effect between the capsule body and the filter element is not adversely affected by the central region being raised.
    According to a further embodiment of the present invention, arrangements are made so that the filter element is at least partially stretched when the central region is moved away from the capsule base. This makes it possible to fix the edge region of the filter element to the capsule base in a cohesive manner, but it is possible, however, that the filter element is lifted from the capsule base in the central region. The advantages of a maximum sealing effect are combined with the advantages of the filter element raised as a result.
    In accordance with an additional embodiment of the present invention, arrangements are made for an edge region of the filter element that protrudes towards the filling side to move towards the capsule base when the central region is moved away from the base capsule during the third stage of the method. This prevents the drink liquid from moving, in an unfiltered state, towards the outlet opening when the central region is lifted from the capsule base.
    According to an additional embodiment of the present invention, arrangements are made so that, when the central region is removed from the
    : capsule base During a third stage of the method, the material of the filter element moves out of the material reservoir towards the o the capsule base, with, in particular, a folded or corrugated region of the filter element at least partially smoothed. This also makes it possible for the edge region of the filter element to be fixed to the capsule base in a cohesive manner, but it is possible, however, that the filter element is lifted from the capsule base in the central region. The material reservoir preferably extends around the central region of the filter element. "10 An additional matter of the present invention is the use of a: serving capsule for producing a beverage, preferably for producing a milk, tea, cocoa, and / or coffee beverage.
    Statements made in relation to a subject of the present invention apply to other matters in equal measure, and vice versa.
    Exemplary modalities of the invention are illustrated in the figures and explained in more detail in the following description. The figures are described by way of example only and do not restrict the general concept of the invention. The description applies to all subjects of the present invention in equal measure.
    Figure 1: shows a longitudinal section through a portion capsule according to a first embodiment of the present invention, whose portion capsule is designed for the purpose of preparing an espresso.
    Figure 2: shows a longitudinal section through a capsule portion, which is located in a closed infusion chamber, according to the first embodiment of the present invention.
    Figure 3: shows a longitudinal section through a portion capsule, which is located in a closed infusion chamber, according to a second exemplary embodiment of the present invention.
    Figures 4a, 4b: show schematic cross-sectional views through a portion capsule according to a third embodiment of the present invention.
    : Figures 5a, 5b: show schematic cross-sectional views through: of a portion capsule according to a fourth embodiment of the present invention. Figures 6a, 6b: show schematic cross-sectional views through a portion capsule according to a fifth embodiment of the present invention.
    Figures 7a, 7b: show schematic cross-sectional views through a portion capsule according to a sixth embodiment of the present invention.
    “10 Figures 8a, 8b: show schematic plan views of a: capsule base of a portion capsule according to a seventh mode of the present invention.
    Figure 9: shows a sectional view of a portion capsule according to an eighth embodiment of the present invention.
    Figure 10: shows a drilling medium that enters the filter element.
    Figure 11: shows a drilling medium that penetrates the filter element.
    Figures 12a to c: show different modalities of the defilted element which comprise felt, in particular needle felt.
    In the various figures, identical parts are always provided with the same reference symbols and, therefore, will also be generically cited or mentioned only once in each case.
    Figure 1 illustrates a first embodiment of the 1-portion capsule according to the invention. The portion capsule 1 comprises a capsule body 2 in the form of a truncated cone, which has a closed capsule base 3 and which has a collar edge 5 which is arranged on the filling side 4 of said capsule body and to which a thin sheet or cover film 6 is soldered or bonded in an adhesive manner. Therefore, a cavity 100, which is preferably sealed in an impermeable manner to air and aroma, is formed between the capsule base 3 and the thin sheet or cover film 6, said cavity being filled with one or a substance o 18/27: powdered or granular drink 101. In that case, the drink substance Ú 101 comprises, for example, coffee, cocoa, tea and / or milk powder (or granules). A filter element 7 comprising a nonwoven filter or a sponge or foam filter is disposed on the inner side 3a of the closed capsule body base 3, that is to say in cavity 100. The filter element 7 is located in loosely on the inner side 3a of the capsule base 3 or is firmly connected, that is, preferably cohesive, to the inner side 3a of the base capsule body 3. In the second variant, the filter element 7 is fixed in a cohesive manner based on capsule 3, in particular only “10 in a 3 'edge region of the capsule base 3. The nonwoven preferably comprises a nonwoven material that is produced from thin polyester fibers. The fibers are, in particular, preferably thermally connected to each other by means of a calender, for example, a large number of extruded polyester fibers are arranged on each other and close to each other and then consolidated (flat calendered) by means of heated rollers. The nonwoven material comprises fiber oriented and / or random fiber nonwoven material. The nonwoven preferably has a mass per unit area (also called the basis weight or weight) of between 40 and 100 grams per: square meter, particularly preferably between 60 and 80 grams per square meter, and very particularly preferably substantially 70 grams per square meter. The filter element or nonwoven preferably has a thickness of between 0.20 and 0.8 mm, particularly preferably between 0.25 and 0.39 mm, and very particularly preferably substantially 0 , 32 mm. The nonwoven is formed in such a way that the air permeability of the nonwoven is preferably between 1,000 and 3,000 V (m S), particularly preferably between
    1,500 and 2,500 Wmº S), and particularly preferably substantially 2,000 V (m S), at a pressure of 100 pascals. The nonwoven is also preferably formed in such a way that the breaking strength is substantially 110 newtons per 5 centimeters in the longitudinal direction and substantially 67 newtons per 5 centimeters in the transversal direction, with
    : the extent of rupture being substantially 30 per cent in the longitudinal direction and substantially 38 per cent in the transverse direction. oo Figure 2 illustrates a portion 1 capsule according to the first embodiment, which is illustrated in figure 1, of the present invention, with portion 1 capsule in figure 2 being arranged in a closed infusion chamber 8. The delivery chamber infusion 8 consisting of a first infusion chamber element 9 and a second infusion chamber element 10, with the first infusion chamber element 9 being provided for the purpose of inserting the portion 1 capsule such that can move in “10 relative to the second infusion chamber element 10, or vice versa.
    A seal 11 is disposed between the two infusion chamber elements 9, 10. The first infusion chamber element 9 substantially consists of a closing piston 12 with punching elements 13a, 13b for opening the thin sheet or cover film. 6 of the portion 1 capsule, a half supply of preparation liquid 14 and the seal 11. The second infusion chamber element 10 substantially consists of an infusion chamber cam 15 that partially surrounds the portion capsule 1 and has an opening mandrel 16 which is arranged at the base of the infusion chamber bell 15 and is provided with discharge slots 17, and a drink discharge means 18. For the purpose of accommodating the portion 1 capsule , the infusion chamber 8 is in an open state (not shown), in which the first and second infusion chamber elements 9, 10 are spaced apart in order to ensure supply of the portion 1 capsule, and in the illustrated closed state, in which a p preparation process for producing a drink by means of the portion 1 capsule can be carried out.
    In the closed state, the infusion chamber 8 is sealed in a pressure-resistant manner.
    When the infusion chamber 8 is moved from the open state to the illustrated closed state, the thin sheet or covering film 6 is pierced by the punching elements 13a, 13b, so that the preparation liquid, in particular hot infusion, passes through the preparation liquid supply medium 14 under pressure and into cavity 100 in the portion 1 capsule. Furthermore, when the
    : infusion chamber 8 is closed, the capsule base 3 is pierced by the piercing means Ú, which is in the form of an opening mandrel 16, and therefore an outlet opening 107 is produced in the portion capsule 1, being pos - it is possible for the beverage liquid produced to leave the portion capsule 1 towards the beverage discharge means 18 through said outlet opening.
    In order to assist the delivery of the beverage liquid, the opening mandrel 16 is provided with the discharge grooves 17 on its coating surface.
    In the illustration, the base 3 of the portion 1 capsule, which is located in the infusion chamber 9, 10, is passed through the opening mandrel 16 of the second element of the infusion chamber, but the filter element 7, which is located above : from the puncture point, it is slightly lifted by the puncture tip 19 of the opening chuck 16 but not pierced.
    This is achieved, in particular, by the central region 7 "not being cohesively connected to the capsule base 3 but the filter element 7 being cohesively connected to the capsule base 3 only in the 3 'edge region of the base capsule 3, so that it is lifted only from the capsule base 3 as a result of mechanical contact with the tip of the opening mandrel 16 and therefore remains unperforated (that is, it is not perforated by the opening mandrel 16). capsule base 3 and filter element 7 remain in contact with each other and, in particular, cohesively connected to each other in the 3 'edge region of the capsule base 3 and in the 7' edge region of the filter 7, and therefore no beverage substance 101 enters the beverage discharge medium 18 around the filter element 7. The capsule base 3 optionally has, at its central point 106 at which the capsule base3 is pierced by the opening 16, a predetermined breaking point 104, and therefore a relatively blind opening mandrel 16 is sufficient to pierce the capsule base 3 and therefore the risk of the filter element 7 also being accidentally pierced by the opening mandrel 16 is eliminated.
    Figure 3 illustrates a portion 1 capsule according to a second embodiment of the present invention, with the second embodiment substantially resembling the first embodiment, which is illustrated
    : in figure 2, and which also illustrates the portion 1 capsule in a closed infusion chamber Ú 8. However, in contrast to the first modality, the portion 3 capsule base has, in the region of the opening mandrel puncture 16 , a protrusion 21 that is directed to a recess 20nabasede infusion chamber 3a (the protrusion 21 is therefore directed in a direction that opposes the filling side 4) and that the opening mandrel 16 enters without passing through the filter 7 in the process. Therefore, it is not necessary, in particular, to lift the filter element 7 from the capsule base 3. In order to produce the beverage, the infusion chamber 8 is closed again after the portion capsule 1 is inserted into the 'chamber'. infusion 8. During the closing process, the thin sheet or cover film 6 of the portion 1 capsule is perforated by means of the puncture means 13a, 13b and, after the first and second infusion chamber elements 9, 10 are collected and sealed (by means of the seal 11), infusion water is made available through the liquid inlet 6. The opening mandrel 16 also makes an opening in the base 3 of the portion 1 capsule during the process of closing the infusion chamber. The thickness and resistance to breaking of the filter element 7, which is located above the punching point, are compatible with the penetration depth of the punching tip 19 of the opening mandrel 16, and therefore the filter element 7 does not is pierced. As an alternative, the filter element 7 is located above the protrusion 21 of the capsule base 3, the protrusion of which is located in the recess in the base of the infusion bell 23, and the opening mandrel 16 enters only the protrusion 21 of the capsule base 3 and not — reaches the filter element 7. The liquid, for example, hot water when coffee is being produced, then flows into the capsule 1. In the capsule, this liquid flows through the beverage base 101 and extracts and / or dissolves the substances, which are required to produce the beverage, from the beverage base
    101. The flow of the liquid in the drink base 101 is illustrated by the reference symbol 22. The resulting drink then flows through the filter element 7 which is disposed between the drink base 101 and the capsule base 3, preventing constituents of the drink base 101 enter the resulting drink in
    : form of particles and also enter a collection container, for example a cup or pot, through the opening made in the base of the capsule 3 by the opening mandrel 16 and through the discharge grooves 17 in the opening chuck 16.
    Figures 4a and 4b illustrate schematic cross-sectional views through a portion 1 capsule according to a third embodiment of the present invention, the third embodiment being substantially similar to the first embodiment, which is illustrated in Figures 1 and 2, with the filter element 7 being elastic. Figure 4a illustrates the portion capsule 1 "10 in its initial position, while figure 4b illustrates said portion capsule: in a state in which it is pierced by the piercing means 16 (the portion capsule 1 is located in a chamber infusion 8 (not shown further) in figure 4b). When mechanical contact is made with the drilling medium 16, the filter element 7 is stretched, in its central region 7 ", towards the inlet side 4 due to the elastic design of the filter element 7, without being perforated or torn through the piercing means 16. The filter element 7 'remains firmly or cohesively connected to the capsule base 3 in the edge region of the capsule base 3', and therefore no drink substance 101 passes from cavity 100 in the direction of the outlet opening 107, which is produced by the drilling means 16, after the filter element 7.
    Figures Sa and 5b illustrate schematic cross-sectional views through a portion 1 capsule according to a fourth embodiment of the present invention, with the fourth embodiment being substantially identical to the third embodiment, which is illustrated in Figures 4a and 4b. However, in this case, the filter element 7 is inelastic and is lifted practically in its entirety from the capsule base 3 by the drilling means 16. Since the base area of the filter element 7 does not change in the process, the regions edge sections 7 'of the filter element slide inward, i.e. towards the center point 106 of the capsule base 3'.
    Figures 6a and 6b illustrate schematic sectional views through a portion 1 capsule according to a fifth embodiment of
    23/27: the present invention, with the fifth modality substantially resembling the sixth modality, which is illustrated in Figures 5a and 5b. The filter element 7 is in particular flexible and has a base area that is larger than the base area of the capsule base 3. This leads to the 7 'edge region of the filter element 7 which is adjusted accordingly. firmly against a lower part of the side wall region 102 of the capsule body 2, which extends from the collar edge 5 to the capsule base 3, in the initial state of the portion 1 capsule as shown in Figure 6a. If the capsule base 3 is now perforated by the piercing means 16 and the filter element 7 is lifted, in its region "10 central 7", from the capsule base 3 by the piercing means 16, the region of: edge 7 ' of the filter element 7 moves towards the capsule base 3. This ensures that the 3 'edge region of the capsule base 3 always remains covered by the filter element 7 and therefore no drink substance 101 passes in one unfiltered state, in the direction of the discharge medium 18 after the filter element 7.
    Figures 7a and 7b illustrate sectional views through a portion 1 capsule according to a sixth embodiment of the present invention. The sixth embodiment substantially resembles the fourth mode, which is illustrated in Figures Sa and 5b, with the filter element 7 having a material reservoir 103. The material reservoir 103 comprises a corrugated region 103 ', that is, a region into which excess filter element material 7 is collected. If the central region 7 "is now lifted from the capsule base 3 by the drilling medium 16, tensile forces act on the material reservoir 103, the result of which is the corrugated region 103 'is at least partially smoothed and therefore sufficient material is available to the central region 7 "to be raised to a sufficient degree and so that tearing or perforation of the filter element 7 is avoided.
    Figures 8a and 8b illustrate a view of a capsule base 3 of a portion 1 capsule according to a seventh embodiment of the present invention, said seventh embodiment substantially resembling the first embodiment, which is illustrated in Figures 1 and 2, eat a capsule of portion 1, illustrated from the "bottom" in figure 8. This view
    '24/27 ta shows the optional predetermined breaking point 104 which comprises] three lines 105 of weakness which are arranged in the shape of a star and in the radial direction around the central point 106 on the capsule base 3. The capsule base 3 has a reduced material thickness of and / or the capsule base3 is perforated along the lines 105 of weakness in order to assist drilling in the infusion chamber 8. In order to retain the aroma of the drink substance 101 even if pre-perforated capsule 3 is stored for a relatively long period of time, the capsule base 3 is preferably sealed with a foil or thin sheet 108, which can be perforated “10” or removed manually, at least in the region of the rupture predetermined: finished 104. The film or thin sheet 108 adheres, for example, to the outer side of the capsule base 3 and is provided with a removal tab 109 that does not adhere to the capsule base 3 and in which the film or thin sheet 108 can be removed manually. An exemplary embodiment with line 105 of weakness in the form of perforations in the base of capsule 3 and also with a film or thin sheet 108 is illustrated in figure 8b. Figure 9 illustrates a sectional view of a portion 1 capsule according to an eighth embodiment of the present invention. The eighth modality substantially resembles the first modality, which is illustrated in figure 1, with the portion 1 capsules of the eighth modality being equipped with a permanent outlet opening 107 in the base of capsule 3, said outlet opening being sealed by the film or fo- Thin island 108 in the initial state. Therefore, the portion 1 capsule has no predetermined breaking points. In that case, the film or thin sheet 108 also has a removal tab 109 for manually removing the film or thin sheet 108. The capsule base 3 is not pierced by means of an external piercing means 16. Instead, before the portion capsule 1 is inserted into the infusion chamber 8, the thin film or sheet 108 is simply removed from the base capsule 3 via the removal tab 109 and the infusion process can then be started directly and without perforation of the capsule base 3.
    Figures 10 and 11 show an additional modality of
    feels invention. In the present case, the filter element 7 is designed in such a way that the piercing means 16, when it penetrates the capsule, stretches, punctures it (figure 10) and / or passes through the filter element, that is, the filter element is cohesively connected, for example, to the base of the capsule at least in sections, is intended to rest as much as possible over a large area of the base and / or is stretched.
    Figures 12a to c show different modalities of a filter element 7 with a felt structure 7.1, in particular a needle felt structure. This filter element 7 preferably has a support structure 7.2, for example a woven structure. A felt structure 7.1 is arranged on and / or inside that woven structure 7.2 over the entire surface facing the coffee or tea powder, and, for example connected to said structure woven by needle felting, as illustrated in figure 12a.
    The embodiment according to figure 12b has two structures of shape 7.1 and 7.3 that are each arranged on and / or inside the support structure. The two structures preferably extend over the entire cross section, that is, in this case, the entire circular surface of the filter element. Felt structures 7.1 and 7.3 can have the same or different thickness. The felt structure 7.1 is preferably thinner than layer 7.3, or vice versa. The support layer is thus neutralized in relation to the center, based on the thickness, of the filter element. Structures 7.1 and 7.3 can be produced from different materials or from the same material. These relate not only to the substance of the wed! they are produced but also to the wire diameter and / or the wire length from which the felt structures are manufactured. A support structure 7.2 is provided between the two structures 7.1 and 7.3, and said support structure does not contain a felt structure or only a small felt structure and preferably allows transversal flow.
    Figure 12c shows yet another embodiment of a filter element with a felt structure. In the present case, two filter elements 7 with a felt structure are arranged one above the other, as described in i 26/27, for example, according to Figures 12a and b. The filter elements 7 can only touch each other or be connected to each other. oo However, the filter elements 7 can still comprise only felt, without a support structure.
    All filter elements with a felt structure have the advantage that they exhibit a low level of pressure loss and that the pressure drops across the filter element with a shallow slope. As a result, coffee without cream, ie foam, or tea without foam can be produced, for example. Filter elements with a felt structure are preferably inserted only in the capsule. The filter element 'with the felt structure preferably has a larger diameter than the base of the capsule, and therefore is pressed against the capsule wall in the edge region. The filter element with a felt structure is preferably produced from PET, in particular, completely.
    REFERENCE SYMBOL LISTING 1 Portion capsule 2 Capsule body 3 Capsule base 3a Inner side of the capsule base 3: Edge region of the capsule base 4 Filling side 5 Paste edge 6 Thin sheet or cover film 28 7 Filter element T Edge region of the filter element R center Center region of the filter element 71 Felt structure, needle felt structure
    7.2 Support structure 73 Felt structure, needle felt structure 8 Infusion chamber E First infusion chamber element i 27/27: 10 Second infusion chamber element Ú 1 Seal o 12 Closing piston 13a Punching element 13b Punching element
    14 Preparation liquid supply medium 15 Infusion hood 16 Opening chuck 17 Discharge grooves
    18 Discharge medium
    '19 Puncture point 20 Recess 21 Protrusion 22 Flow of preparation liquid
    23 Infusion bell base 100 Cavity 101 Beverage base 102 Side wall region 103: Material reservoir
    103 Folded or corrugated region 104 Predetermined breaking point 105 Weak lines 106 Center point 107 Exit opening
    108 Film or thin sheet 109 Removal flap
    权利要求:
    Claims (1)
    [1]
    i 1/6
    CLAIMS 7 1. Portion capsule (1) for producing a beverage, comprising a capsule body (2) with a capsule base (3) and a filling side (4), with a cavity (100) to accommodate a liquid or powdery beverage base (101) being formed between the capsule base (3) and the filling side (4), and with a filter element (7) being arranged between the beverage base (101) and the capsule base (3), characterized by the fact that the filter element (7) comprises a nonwoven which is arranged in the region of the capsule base (3).
    "2. Portion capsule (1) according to claim 1, ca-. characterized by the fact that the nonwoven comprises a nonwoven material that is produced from fine polyester fibers, and / or in which the nonwoven has a mass per unit area of between 40 and 100 grams per square meter, preferably between 60 and 80 grams per square meter, and particularly preferably substantially 70 grams per square meter, and / or where the nonwoven has a thickness of between 0.20 and 0.8 mm, preferably between 0.25 and 0 , 39 millimeters and particularly preferably substantially 0.32 millimeters, and / or where the nonwoven has an air permeability of between 1,000 and 3,000 V (m S), preferably between 1,500 and 2,500 ( month) and particularly preferably substantially 2,000 V (m s) at a pressure of 100 pascals.
    Portion capsule (1) according to claim 1, characterized by the fact that the filter element (7) comprises an open pore sponge and / or an open pore foam and / or a felt structure (7.1, 7.3), preferably a needle felt structure (7.1,
    7.3), which is preferably supplied on or inside a support structure (7.2), with the filter element (7) which is arranged in the region of the capsule base (3).
    4. Portion capsule according to claim 3, characterized by the fact that the filter element (7) has two felt structures (7.1, 7.3), preferably needle felt structures, which are preferably separated from each other by a support structure (7.2).
    The 2/6
    5. Portion capsule (1), according to any of claims 1 to 4, characterized by the fact that the filter element (7) is elastic and is arranged, at least in its edge region ( 7 '), in the region of the capsule base (3).
    6. Portion capsule (1), according to any of claims 1 to 5, characterized by the fact that the filter element (7) is sealed, in particular ultrasonic sealed and preferably stretched, at the base of the capsule.
    7. Portion capsule (1), according to any of the claims “10 to 1, 6, characterized by the fact that the filter element (7) is À disposed in the cavity (100) and rests on one side of the capsule base (3) - which faces the filling side (4).
    8. Portion capsule (1), according to any one of claims 1 to 7, characterized by the fact that the diameter of the filter element (7) is greater than the diameter of the capsule base (3).
    9. Portion capsule (1) according to any one of claims 1 to 8, characterized by the fact that the filter element (7) has an edge region (7) that protrudes substantially towards the side fill (4) and / or flex in the direction of the fill side (4).
    10. Portion capsule (1) according to claim 9, characterized by the fact that the edge region (7 ') extends at least partially along a side wall region (102) of the body of capsule (2), with the side wall region extending between the filling side (4) and the capsule base (3).
    11. Portion capsule (1) according to any of claims 1 to 10, characterized in that the filter element (7) covers the capsule base (3) completely or only partially.
    12. Portion capsule (1) according to any one of claims 1 to 11, characterized by the fact that the filter element (7) is fixed to the capsule base (3), with the filter element ( 7) preferably being fixed to the capsule base (3) in a cohesive manner.
    SS 3/6
    13. Portion capsule (1), according to any of claims 1 to 12, characterized by the fact that the filter element (7) is "fixed to the capsule base (3) in an edge region (3) of the capsule base (3), and / or where the filter element (7) is fixed to the side wall region (102) in an edge region (7 ') of the filter element (7 ).
    14. Portion capsule (1), according to any of claims 1 to 13, characterized by the fact that the capsule base (3) has a protrusion (21) in a direction (103) opposite the side of filling (4).
    : 1o 15. Capsule portion (1), according to any of claims: 1 to 14, characterized by the fact that the capsule base (3) is: formed in such a way that, when the capsule base (3) is perforated by means of external perforation (16), the filter element (7) remaining unperforated.
    16. Portion capsule (1) according to any one of claims 1 to 15, characterized by the fact that the filter element (7) is formed in such a way that, when the capsule base (3) is perforated by an external perforation means (16), the filter element (7) is at least partially lifted from the capsule base (3).
    17. Portion capsule (1) according to claim 16, characterized in that the filter element (7) is lifted from the capsule base (3) only in a central region (7 ") and continues to rest on the capsule base (3) or remains attached to the capsule base (3) in the edge region (3) of the capsule base (3).
    18. Portion capsule (1), according to any one of claims 1 to 17, characterized by the fact that the filter element (7) is formed in such a way that, when the capsule base (3) is perforated by an external perforation means (16), the filter element (7) is lifted from the capsule base (3) in the central region (7 ") of said filter element and an edge region (7 ') of the element filter (7), whose edge region previously projected towards the filling side (4) moves at least partially towards the capsule base (3).
    Doo 4/6
    19. Portion capsule (1), according to any of claims 1 to 18, characterized by the fact that the filter element (7) has a material reservoir (103).
    20. Portion capsule (1) according to claim 19, characterized in that the filter element (7) has a folded or corrugated region (103) that functions as the material reservoir (103).
    21. Portion capsule (1), according to any of claims 19 or 20, characterized by the fact that the filter element (7): “10 is formed in such a way that, when the capsule base ( 3) is pierced by: an external piercing means (16), the filter element (7) is lifted from. capsule base (3) in the central region (7 ") of said filter element and the material of the filter element (7) of the material reservoir (103) moves towards the central region (7").
    22. Portion capsule (1), according to any one of claims 1 to 21, characterized by the fact that the filter element (7) is formed and fixed to the capsule base in such a way that, when the base capsule (3) is pierced by an external piercing means (16), the filter element (7) is punctured and / or pierced.
    23. Portion capsule (1), according to any one of claims 1 to 22, characterized by the fact that the capsule base (3) has a predetermined breaking point (104) that must tear as a result of contact mechanical with external drilling means (16).
    24. Portion capsule (1) according to claim 23, characterized by the fact that the predetermined breaking point (104) has a plurality of lines of weakness (105) that are arranged in a shape of star around a central point (106) of the capsule base (3), where the capsule base (3) has a reduced material thickness and / or is perforated along the lines of weakness (105).
    25. Portion capsule (1) according to any one of claims 1 to 24, characterized by the fact that the capsule base (3) has an outlet opening (107) which is preferably sealed by a film
    5/6 cell or thin sheet (108), with the film or thin sheet (108) in particular preferably having a removal tab (109) to remove the film or thin sheet manually.
    26. Method for producing a portion capsule, characterized by the fact that the filter element (7) is cut from a strip and, preferably by the blade, inserted into the capsule and fitted to the base, preferably sealed to said base, and then the powder or tea is filled into the filter element and the capsule is then sealed by a thin sheet or cover film. : “10 27. Method for producing a drink using a capsule: of portion (1) as defined in any of claims 1 to 26, - characterized by the fact that the portion capsule (1) is provided in a first stage of the method, in which the capsule base (3) is pierced by means of an external piercing means (168) in a second step of the method, and in which the filter element (7) is at least partially removed from the base capsule (3) in a third stage of the method.
    28. Method, according to claim 27, characterized by the fact that in the third step of the method, the filter element (7) is removed from the capsule base (3) only in a central region (7 " ) and continues to rest on the capsule base (3) or remains attached to the capsule base (3) in the edge region (3 ') of the capsule base (3).
    29. Method according to either of Claims 27 or 28, characterized in that the filter element (7) is at least partially drawn when the central region (7 ") is moved away from the capsule base (3).
    30. Method according to either of Claims 27 or 29, characterized in that an edge region (7) of the filter element (7) projecting in the direction of the filling side (4) moves in the direction the capsule base (3) when the central region (7 ") is separated from the capsule base (3) during the third stage of the method.
    31. Method according to any of claims 27 to 30, characterized by the fact that when the central region (7 ") is separated
    SS 6/6 of the capsule base (3) during the third stage of the method, the materia! the filter element (7) moves out of the material reservoir (103) in the "direction of the capsule base (3), in particular, a folded or corrugated region (103) of the filter element ( 7) being at least partially smoothed.
    32. Use of a portion capsule (1), as defined in any one of claims 1 to 22, characterized in that it is for the production of a beverage, preferably for the production of a beverage of milk, tea, cocoa, and / or coffee.
    ] VIDEO>
    LF dE | Fig. 1: - À 4 12 Í Y ”A NS PEN 106
    SRS 3 37 ds 18 17 19 Fig. 2 sees N
    CATA
    AN if ANA ASSIS 100, 101 Fig. 3 TÊ 107
    1 100, 101 1 100, 101 7º Nx Í 7º 6 N Í 6 rá 5 7º 5 7 7 2.102 2.102
    Â ATA 33 3 Ss 18,107 “- Fig 4a Fig. 4b 1 100, 101 100, 101 7“ x Í 7º 6 NM Í 6 7 5 7: 5 7 7 2.102 2.102 A Shovel 16 33 3 3 18 Fig. 5a Fig. 5b 1 100, 101 1. 100,101 7th - 4 7 6 '6 7 Íms) 7: 5 7 7 2,102 2, 1o2 S a) 16 3 Ó 3 3 18 Fig. 6a Fig. 6b a 1. 100,101 1 100,101 7º “Nx 4 7º 6 NV 4 6 Í | 7 5 7º 5 7 2, 102 103,103 => 102 5a 7 31 18 6 03, 103. Fig.7a Fig. 7b N 3 1; 108 Ns 104 105 ”(f> N 105 106 NS 106 Fig. 8a Fig. 8b fua 1 100,101 N 4 7 6
    Í 7 5 - 2, 102 TR 109 3 108 or Fig. 9
    E C E 16 Fig. 10
    CNA XX 16 Fig. 11 7
    7.2 71 - dll a. 72 71 [ECA ACC CCC TCE ECT ASSSSSSSSSSSSSSSSSS ASS AS WINGS 73 b. SN, 7 Essa '7 Fig. 12
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    引用文献:
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    法律状态:
    2020-09-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-10-27| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-02-09| B11B| Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements|
    2021-11-23| B350| Update of information on the portal [chapter 15.35 patent gazette]|
    优先权:
    申请号 | 申请日 | 专利标题
    DE2020100135001|2010-09-22|
    DE202010013500|2010-09-22|
    DE102011010589|2011-02-07|
    DE1020110105891|2011-02-07|
    DE102011012881A|DE102011012881A1|2010-09-22|2011-03-02|Portion capsule and method of making a beverage with a portion capsule|
    DE1020110128816|2011-03-02|
    US13/044,217|US8916220B2|2010-09-22|2011-03-09|Method for producing a beverage using a portion capsule|
    US13044217|2011-03-09|
    PCT/EP2011/004703|WO2012038063A1|2010-09-22|2011-09-20|Portion capsule, and method for producing a beverage using a portion capsule|
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