EP3342730A1 - Kapsel und verfahren zur herstellung von getränken - Google Patents

Kapsel und verfahren zur herstellung von getränken Download PDF

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Publication number
EP3342730A1
EP3342730A1 EP17150074.7A EP17150074A EP3342730A1 EP 3342730 A1 EP3342730 A1 EP 3342730A1 EP 17150074 A EP17150074 A EP 17150074A EP 3342730 A1 EP3342730 A1 EP 3342730A1
Authority
EP
European Patent Office
Prior art keywords
capsule
projecting portion
housing
beverage
outlet wall
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.)
Withdrawn
Application number
EP17150074.7A
Other languages
English (en)
French (fr)
Inventor
Luca Doglioni Majer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tuttoespresso SRL
Original Assignee
Tuttoespresso SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tuttoespresso SRL filed Critical Tuttoespresso SRL
Priority to EP17150074.7A priority Critical patent/EP3342730A1/de
Publication of EP3342730A1 publication Critical patent/EP3342730A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8052—Details of the outlet

Definitions

  • the present invention relates to a capsule and a method for beverages; in particular, the invention relates to a capsule for preparing and dispensing beverages, having outlets means suitable to control the outflow of the beverage from the capsule.
  • a capsule for preparing and dispensing beverages, having outlets means suitable to control the outflow of the beverage from the capsule.
  • this wording encompasses similar definitions such as, e.g., cartridge and pod.
  • capsules for beverages has become widespread in the field, not only for coffee, chocolate and similar beverages but also for the preparation of other beverages such as broth, as e.g. disclosed in WO2015193774 .
  • a base product such as a ground or soluble product
  • the product is put into a capsule in its best condition, with the maximum of its flavor and aroma being trapped in the capsule or capsule container.
  • EP1604915 discloses a capsule having a conveyor that collects the beverage exiting the capsule and that delivers the beverage from a central outlet. This solution may reduce the cross-contamination in the beverage preparing machine.
  • This capsule has a foil or membrane that defines the brewing chamber; the membrane is pierced when the membrane contacts a plurality of piercing elements within the capsule.
  • WO2008011913 shows a capsule utilizing a cap defining a delivery chamber which conveys the beverage exiting the capsule towards the user's receptacle (such as a mug, jug, cup or glass) and actually replaces the outlet means present in known drink dispensing apparatus.
  • the capsule has a central output port for the outflow of the extracted beverage, the output port is closed by an elastic septum which opens under the pressure of the water.
  • EP2628694 in the name of the Applicant, discloses a capsule provided with outlet means which are portions of the bottom wall defined by grooves and which comprise portions extending towards the outside of the cartridge.
  • the bottom wall of the capsule has grooves that define portions of the bottom wall that act as an outlet when the wall is broken; additionally, the outlet portions of the bottom wall which are defined by the grooves are also extending externally to provide projecting, wedge-shaped, portions of the wall.
  • PCT/EP2016/057844 in the name of the present applicant and not published at the date of filing of the present application, discloses a self-opening capsule that includes a brewing chamber and a collector element, i.e. a conveyor cap, for the beverage exiting the brewing chamber.
  • a collector element i.e. a conveyor cap
  • embodiments of capsule have a brewing chamber including outlet openings in the bottom wall; the outlet openings may be obtained according to above discussed EP2628694 and include grooves defining a portion of the wall having projecting parts.
  • the collector element or conveyor cap, is mounted on the brewing chamber outside the outlet wall of the chamber and is movable from a position spaced from said outlet wall to a position in which the conveyor cap is substantially adjacent to the wall and presses the projecting parts inside the brewing chamber to open the capsule and dispense a beverage.
  • outlet means for the flow of the beverage from the brewing chamber should be able to provide different flow rates in view of the nature of the ingredient in the capsule and at the same time they should provide the best possible sealing of the capsule and a reliable way of opening the capsule.
  • a capsule according to the invention has an inlet wall through which a fluid can be fed into the capsule to prepare a beverage and an outlet wall including at least one beverage outlet means for dispensing the beverage from the capsule.
  • the outlet wall has an outer side and an inner side which is facing the interior of the capsule body.
  • the capsule acts as a brewing chamber in a way known per se in the art.
  • the beverage outlet means comprise at least one projecting portion which usually is integral to, i.e. in one piece with, the outlet wall through a connecting element that is a breakable portion of the capsule; in general, the breakable portion of the capsule is a portion having reduced thickness with respect to the remaining part of the outlet wall.
  • the capsule has an outlet wall that comprises at least one projecting portion which is extending outwards of the capsule and which is integral with the outlet wall of the capsule; the connecting element(s) between outlet wall and projecting portion can be broken, or ruptured, to open the capsule and dispense the beverage.
  • the projecting portion can thus be moved, i.e. pressed, into a corresponding housing in the outlet wall.
  • the projecting portion has an outer face and an inner face, the inner face facing the interior of the capsule; in a closed condition of the capsule, at least a part of said inner face of the projecting portion is spaced by a distance from said inner side of said outlet wall to provide a housing in said wall.
  • the projecting portions are movable into said housing to open said capsule and dispense a beverage.
  • pressure is applied to the projecting portion, usually pressure directed to the inside of the capsule.
  • the projecting portion comprises a first end having a first thickness and a second end having a second thickness, the first thickness being less than said second thickness, said first end providing a hinge for said projecting portion.
  • said at least part of the inner face of the second end of the projecting portion is lying in a plane defined by the outer side of said outlet wall.
  • the inner face of the projecting portion is substantially co-planar with the outer face of the outlet wall, at least in the area where the projecting portion is located.
  • the inner surface may also be positioned inside or outside with respect of the outer face of the outlet wall of the capsule; in general, if the projecting portion is partially housed in the housing, the amount of portion housed in the housing, measured in a cross section of the outlet, is 25% or less, of the thickness of the projecting portion, preferably 15% or less, more preferably less than 10% of said thickness.
  • the capsule's projecting portions are integral to said outlet wall through a breakable element connecting the projecting portion with the outlet wall; in an embodiment, said connecting element is located internally to the capsule and it extends from the inner face of the projecting portions to said outlet wall along at least part of the periphery of said inner face.
  • the first end of the projecting portion preferably acts as a hinge for the projecting portion; in this embodiment the first end of the projecting portion does not comprise said breakable connection element, the projecting portion therefore remains attached to the outlet wall at said first end.
  • the projecting portion has sides i.e. lateral walls, an inner wall or face and an outer wall or face; in this embodiment the connecting element extends along the periphery of the projecting portions from a side wall of said projecting portion to the outer side of the outlet wall.
  • the connecting element is located both inside and outside the outlet wall, to connect the inner face of the projecting portion to the outlet wall and a lateral wall of the projecting portion to the outer side of the outlet wall.
  • the cross section of the connecting portion may have a curved shape at one side.
  • a housing is provided in the outlet wall for the projecting portion; in an embodiment, the housing has a shape that is complementary to the shape of the projecting portion.
  • the housing may have lateral walls, the bottom wall of the housing being formed by the inner wall of the projecting portion; preferably, no top or inner wall of the housing is provided also because the beverage has to flow through the housing when it is dispensed.
  • the capsule is opened by applying a pressure onto the projecting portions, until the connecting element is broken and the projecting portions are pushed into the wall of the capsule and are housed in the housing.
  • the projecting portion in an open condition of the capsule, is located in its relevant housing and provides a passage between the lateral walls of the housing and the lateral walls of the projecting portion, namely between walls of the housing and walls of the projecting portion.
  • the walls (i.e. the lateral walls) of the housing are inclined with respect to the walls of said projecting portion, whereby in an open condition of the capsule, when the projecting portion is housed in said housing, an outlet having variable cross section is provided between said lateral walls of the housing and said projecting portion.
  • the projecting portion is provided with at least a further hinge means located between said first end and said second end of the portion.
  • the intermediate hinge means located between the two ends of the projecting portion may be obtained by having a cross section of the said portion with is thinner than adjacent section of the projecting portion.
  • the projecting portion when the capsule is in a closed condition, the projecting portion extends substantially completely outside from the outer surface of the outlet wall of the capsule; in an open condition of the capsule, i.e. once the connecting element between projecting portion and outlet walls has been broken, said projecting portion is substantially completely contained in said housing of the outlet wall of the capsule.
  • the wording "substantially completely” is meant to be read according to its plain meaning, i.e. that a majority of the projecting portion, but not necessarily all of it, is contained within the housing.
  • Another object of the invention is a method of dispensing a beverage according to claim 11.
  • the method comprises the steps of: providing a capsule having an outlet wall, a housing located in said outlet wall and a projecting portion of said outlet wall, wherein said projecting portion is integral with said outlet wall and extends outwardly from said outlet wall in correspondence to said housing; pressing said projecting portion inside the said housing, to provide at least one passage between housing and projecting portion; dispensing a beverage through said passage.
  • the required pressure on the projecting portions may be exerted by any means known in the field.
  • the said means may be the lower part of a seat that receives the capsule in a known brewing machine: when the capsule is received in its seat and the machine is closed to start the brewing step, closing pressure can also be used to break open the projecting portions the.
  • the capsule of the invention is preferably provided with a conveyor cap as discussed in the description.
  • the flow rate of the beverage dispensed from the capsule can be controlled by controlling, e.g. with a suitable design, the shape and/or dimensions of said passage between housing and projecting portion.
  • Another possible way of controlling the flow rate of the beverage exiting the capsule is to control the amount of insertion of said projecting portion into its housing; the greater is the amount of projecting portion inserted into the housing, the greater may be the resistance to the beverage outlet flow.
  • Such a control of the insertion of the projecting portion into the housing may be obtained when the capsule of the invention is used with a conveyor cap, as discussed in above mentioned PCT/EP2016/057844 .
  • the projecting portions of the capsule are pressed into the capsule when the conveyor cap is axially moved closer to the outlet wall of the capsule: at this time the capsule is mechanically opened. It is possible to regulate the minimum distance from the outlet wall of the capsule that is reachable by the abutment elements of the cap for the projecting portions, i.e. by the elements of the cap which exert a pressure on the projecting portions of the capsule.
  • a combination of the above disclosed two ways of flow control is also possible, e.g. with the use of shape and dimensions of projecting portion and of housing walls that are different at different points, such as those obtainable by using inclined walls.
  • the passage between housing walls and projecting portion located in the housing will have different dimensions (and resistance) according to the degree of insertion (i.e. the position) of the projecting portion in the housing.
  • the walls of the housing and/or the side walls of the projecting portion may have recesses or ribs to increase or decrease the dimensions of the passage or to partition the passage into several passages.
  • the invention provides several advantages over the prior art.
  • the capsule is opened in an easy and reliable way, it is not expensive to produce and provides means to adjust the flow rate of the beverage dispensed from the capsule in view of the type of beverage required.
  • the resistance through the passage between housing and projecting portions will be greater than in a capsule for dispensing hot broth.
  • the invention capsule is particularly suitable to be used with the conveyor cap of applicant's co-pending application PCT/EP2016/057844 and of the co-pending application claiming priority of PCT/EP2016/057844 .
  • the capsule 1 of the invention has an inlet wall 2, through which water or a fluid is injected or fed to the capsule 1;
  • the inlet wall shown in fig. 2 and in fig. 5 is a membrane, known per se in the art, that is suitable to be pierced by an injecting means for fluid or water.
  • Other possible inlet walls, known per se in the art, may be used, such as the self-piercing inlet wall of EP1807318 .
  • Capsule 1 also has a lateral wall 3 and an outlet wall 4 where outlet means B are located for dispensing the beverage prepared in the capsule; the capsule acts as a brewing chamber.
  • Outlet wall 4 has an inner side 8 and an outer side 7; in an embodiment, the inner side is provided with ribs 9 to increase the rigidity of the wall, ribs 9a connect the outlet wall to the lateral wall 3 also for increasing the rigidity of the capsule.
  • Outlet means B of outlet wall 4 which are enlarged in figures 6 and 7 , each comprise a portion 5 projecting outwards of outlet wall 4 and a housing 6. Housing 6 is preferably obtained in the thickness of the outlet wall, so that an empty space is present in outlet wall 4 substantially at the position where the projecting portion 5 is located.
  • Each projecting portion is associated to a corresponding housing 6; as visible in fig. 1 , the shape and area of housing 6 are similar to the shape and area of projecting portion 5 associated to said housing.
  • the capsule has at least one projecting portion, preferably a plurality of projecting portions, e.g. three, as in the embodiment shown in the figures.
  • Each projecting portion comprises a first end 13 and a second end 14; in the shown embodiment the two ends have different thicknesses; namely, thickness Th1 of the first end 13 is less than thickness Th2 of the second end, so that the first end 13 can act as a hinge for the projecting portion 5, when said portion 5 is compressed and moved into its associated housing.
  • the projecting portions 5 are arranged radially to the central axis of the capsule; preferably a radially arranged portion 5 has its second end located closer to the lateral wall 3 of the capsule than to the centre of the outlet wall 4.
  • the projecting portions may be arranged, across the surface of the outlet face of the capsule, circumferentially or in a helix shape and may have non symmetrical patterns, with respect to the central axis of the capsule.
  • the arrangement of the projecting portions (which form the outlet means of the capsule) may include a change of position and/or of distance of a portion 5 from the adjacent portion 5, particularly when a conveyor cap is used with the capsule.
  • Each projecting portion 5 has a corresponding housing obtained in the outlet wall 4 of the capsule.
  • the inner wall 12 of the projecting portion is spaced from the plane defined by inner side 8 of wall 4, to provide in the inner wall an empty space that forms a housing 6 for the projecting portion 5.
  • at least a part of the inner face 12 of the portion 5 is lying in a plane defined by the outer side 7 of outlet wall 4.
  • the inner face of the projecting portion is at the same distance from the inner side of outlet wall 4 as the outer side 7 of the outlet wall 4.
  • the inner face of the projecting portion is substantially co-planar with the outer face of the outlet wall, at least in the area where the projecting portion is located.
  • the capsule's projecting portions 5 are integral to outlet wall 4 by means of breakable element 10, see figures 7 and 8 , which is connecting the projecting portion with the outlet wall; in an embodiment, the connecting element is located along the periphery of the inner face 12 of the projecting portion.
  • Element 10 may be located internally or externally to the capsule, in other words on either lateral side of the projecting portion, or it may be present on both sides of the contact point between projecting portion and outlet wall. Furthermore it may be present on the second end 14 of the projecting portion, in other words on the front side of the same, that is, in the embodiment shown in fig.7 , on the side in proximity of, or substantially parallel to, the lateral wall.
  • breakable element 10 see figures 7 and 8 , which is connecting the projecting portion with the outlet wall; in an embodiment, the connecting element is located along the periphery of the inner face 12 of the projecting portion.
  • Element 10 may be located internally or externally to the capsule, in other words on either lateral side of the projecting portion
  • the connecting element 10 is shown on the left side of the projecting portion 5 to be located inside the housing; element 10 extends along at least part of the periphery of inner face 12 of portion 5 from the inner face to a wall 18 of housing 6 of outlet wall 4. On the right side of portion 5 of fig.7 element 10 is shown extending on both sides of wall 4; element 10, in addition of extending from face 12 to wall 18, is also extending from wall 16 of portion 5 to outer side 7 of outlet wall 4.
  • connection element 10 has low thickness and dimensions, which may be in an exemplary range of 0.02 to 0.1 mm. Thickness and dimensions may be different according to the type of material used.
  • the width of the inner face 12 of portion 5 is substantially identical to the width of the housing 6 on the outer side of outlet wall 4. This will result in the above discussed location of connection element 10, inside or outside of the capsule.
  • connection element 10a extends to provide the missing link between portion 5 and wall 4.
  • Connecting element 10a extends along the periphery of face 12 of portion 5 from said face 12 to the outlet wall 4.
  • the embodiment of fig. 9 shows that face 12 of portion 5 is slightly spaced downwards (with reference to the figure) from the outer side 7 of outlet wall 4; while this arrangement is shown in the embodiment of fig. 9 , a same or similar arrangement can be used also in the other embodiments previously discussed.
  • the cross section of the connecting element may have a curved shape of the face of the connecting element 10 or 10a which is not attached to a side of the capsule; in general, the breakable connecting element may have different sections i.e. thicknesses and/or cross sections along the length of the line connecting portion 5 and wall 4.
  • the connecting element 10 or 10a may extend in any direction depending on the position of face 11 of portion 5 with respect to side 7 of outlet wall 4, and also depending on the width of face 12.
  • connecting portion 10 in fig. 7 where face 12 is co-planar with side 7 of wall 4, extends along walls 16 and side 7.
  • the connecting element 10a extends diagonally. In other embodiments connecting element 10 or 10a may extend vertically or horizontally.
  • the amount of portion 5 housed in the housing is 25% or less, of the thickness of the projecting portion, preferably 15% or less, more preferably less than 10% of said thickness.
  • a housing 6 is provided in the outlet wall 4 for the projecting portion 5; in an embodiment, the housing has a shape that is substantially complementary to the shape of the projecting portion.
  • the housing of the shown exemplary embodiments has only lateral walls 18 on the side plus a lateral wall at the second end 14; the bottom wall of the housing is formed by inner wall 12 of the projecting portion; no top wall of the housing is provided to let the beverage flow freely inside the housing when it is dispensed.
  • Projecting portion 5 also has lateral walls 16 including the wall at second end 14 and outside face 11.
  • Fig. 8 shows an enlarged sectional view of an opening means B in an open condition of the capsule 1.
  • projecting portion 8 is located in housing 6.
  • the thickness Th2 of second end 14 of portion 5 is substantially the same, or less, than the thickness 15 of the housing 6, to avoid the top of portion 5 protruding above inner side 8 of outlet wall 4, which may impact on a filter 21 provided above wall 4. For this reason, in the embodiment of fig.
  • portion 4a of wall 4 may be mirrored by a symmetrical portion 4a on the other side of housing 6 (the additional portion 4a is not shown in fig. 7 ), so that a substantial plane is created amongst portions 4a of wall 4 and face 12 of the protruding part 5.
  • a control of the flow rate and, at least in part, of the brewing conditions in the capsule may be reached by designing and controlling the dimensions and the shape of passage 6.
  • the indication of the flow rate imposed upon the beverage during the preparation phase may be defined (ceteris paribus, i.e. provided all other variables remain the same, such as pump type, hydraulic circuit, relevant characteristics of the dispensing apparatus' injecting nozzle etc.) by determining the free space i.e. the volume between the walls 18 ( fig. 7 ) of housing 6 of outlet wall 4 (which are three in the shown embodiment and include wall 18 of that part of housing facing second end 14) and the respective facing walls 16 of portion 5 including the wall of second end 14.
  • the flow rate imposed upon the drink can be more accurately further defined as represented by the total so called "free passage", that is the surface of passage of the liquid, as generated by the surface defined by the gap between the three walls 18 of outlet 6 facing the protruding portion 5 (when the portion 5 is in the housing) including the wall 18 facing second end 14 of portion 5 (see fig. 6 ), and the respectively facing walls 16 of protruding portion 5, including wall 16 of second end wall 14 ( fig 6 ) as measured at the outer side 7 of wall 4.
  • the height of the passages in conjunction with the length and width of the same, provide means to define and provide a complete control of the desired flowrate.
  • Fig. 7 shows an embodiment in which with respect to the plane of outer side 7 of wall 4, the walls 18 of housing 6 are angled by an angle ⁇ and the walls 16 of projecting portion 5 are angled by angle ⁇ .
  • the two angles are preferably different and most preferably ⁇ is greater than ⁇ .
  • Exemplary angles are 4-6° for ⁇ and 7-9° for ⁇ .
  • the result is that the walls 18 of the housing are inclined with respect to the walls 16 of projecting portion 5, whereby in an open condition of the capsule, when the projecting portion is housed in housing 5, an outlet having variable cross section is provided between said lateral walls 18 of the housing and said projecting portion 5.
  • the edge between walls 16 and face 11 of portion 5 may be rounded; the radius of the round edge is useful in the control of the flow rate through the passage 20.
  • the projecting portion 5 may be provided with at least a further hinge means located between first end 13 and second end 14 of the portion 5.
  • the intermediate hinge means is shown with reference 19 and a broken line in fig. 6 ; it is located close to the second end 14 of the projecting portion and is obtained by a groove or a similar means that provides a reduction in the cross section of the said portion 5.
  • Such second hinge may be alternatively positioned on the outer face 11 of the protruding part 5.
  • the projecting portion 5 extends substantially completely outside from the outer side 7 of the outlet wall 4 of the capsule when the capsule is closed (i.e. in figures 1-7 ); in an open condition of the capsule, shown in fig. 8 , projecting portion 5 is substantially completely contained within housing 6 of the outlet wall.
  • Fig. 10 shows an example of a different arrangement, suitable to be used with capsules bearing a central outlet port, for instance apt at containing soluble products, such as chocolate mixes, instant soups, flavoured cold drinks mixes, milk and similar, as ingredients.
  • the projecting portions 5a are arranged in a spiral-like disposition whereby the connection elements are defined by the conjunction lines between each portion 5a and the immediately adjacent one, and between the portions 5a and the respective connecting lines on the outlet wall 4'.
  • the thickness of the connection elements 10, 10a may be controlled to define different opening strengths and to provide appropriate breaking of the weakened, thinned portions.
  • the thickness of certain portions 5a may be increased with respect of the other(s) to provide preferential lines of flow, in case of manufacturing of the capsule via injection molding process. Other arrangements are possible.
  • the method for dispensing a beverage with the use of a capsule as above discussed comprises the steps of : providing a capsule having an outlet wall 4, a housing 6 located in said outlet wall and a projecting portion 5 of said outlet wall 4; in this capsule, the projecting portion 5 is integral with outlet wall 4 by means of a connection element 10, 10a, and extends outwardly from outlet wall 4 in correspondence to the housing 6.
  • the connection element 10,10a is broken and portion 5 is moved inside the said housing, to provide at least one passage 20 between housing 6 and projecting portion 5; the final step is dispensing a beverage through said passage.
  • a control of the flow rate of the beverage through passage 20 may be obtained by controlling how much of the projecting portion 5 is inserted into housing 6.
  • several possible ways can be used; a possible way is that the machine used to prepare the beverage from a capsule of the invention can be used with e.g. different degrees of compression of the projecting portions 5 of the capsule.
  • FIG. 11 A suitable conveyor cap is shown in figures 11 and 12 .
  • the conveyor 21 has a lateral wall 24 which is mounted on the lower part of capsule 1 so as to enclose the outlet wall 4 of the capsule within the space defined by wall 24 and outlet wall 26 of conveyor 21.
  • the conveyor has a collecting funnel 22 around which are positioned a plurality of abutment elements 23; the collecting funnel 22 ends with a dispensing opening 25.
  • the projecting portions 5 of the capsule are pressed by the abutment elements 23 into the housing 6 when the conveyor cap 21 is axially moved closer to the outlet wall 4 of the capsule.
  • the abutment elements 23 are in this case positioned along a circumference because the portions 5 are arranged in a circular disposition, elements 23 are alternated with passages for helping the beverage to flow into funnel 22.
  • Figure 13 shows a sectional view of an assembly of a capsule according to the invention and a conveyor cap, in which the capsule is in a closed condition, i.e. outlets B are closed.
  • lateral wall 24 of conveyor 21 is located outside the bottom (with respect to the figure) portion 3a (see also fig. 2 ) of lateral wall 3 of the capsule; the abutment elements 23 are located close to or in contact with projecting portions 5 of the capsule 1.
  • the conveyor 21 can slide along lateral wall 3a as shown by arrow F, to press portions 5 into housing 6 after having broken connection elements 10 or 10a.
  • the edge 29 of the conveyor cap 21 is spaced by a distance 27 from a shoulder 28 on lateral wall 3 of the capsule; in an opened condition of the capsule, edge 29 has been moved closer to shoulder 28 of the capsule.
  • this effect may be obtained by having a capsule wherein the edge 29 contacts shoulder 28 in the closed condition of the capsule and by setting different values for distance 27 between edge 29 of cap 21 and shoulder 28 of capsule 1 when the capsule is closed.
  • Distance 27 may be set at different values by e.g. changing the position of shoulder 28 with respect to inlet wall 2 in the capsule design and/or by designing a cap 21 having longer or shorter length of the lateral wall 24 of the cap 21.
  • different conveyor caps may have abutment elements 23 that, in an opened condition of the capsule, reach different distances from the outlet wall 4; thus, the same capsule may be coupled with different conveyor caps 21 (or the same conveyor cap may be used with different capsules) with the result that the portions 5 will be inserted into their housing 6 by a percent of the thickness of portion 5 according to the distance of the abutment elements 23 from the outlet wall 4 in an opened condition of the capsule. This distance may depend on distance 27 between edge 29 and shoulder 28 in a closed capsule.
  • a combination of the above disclosed two ways of flow control is also possible, e.g. shape and dimensions of the walls of the housing 6 and of the projecting portion 5 are combined to form a passage with a required resistance and, in addition, the degree of insertion of the projecting portions is controlled by using different conveyor caps 21.
  • housing 6 was obtained in the outlet wall 4 of capsule 1; in other embodiments, housing 6 may be formed at least in part in an additional wall located above wall 4, inside the capsule. Such a wall may be e.g. part of the structure of a spacer located in the capsule to divide the capsule's volume in two or more parts.
  • a wall may be e.g. part of the structure of a spacer located in the capsule to divide the capsule's volume in two or more parts.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
EP17150074.7A 2017-01-02 2017-01-02 Kapsel und verfahren zur herstellung von getränken Withdrawn EP3342730A1 (de)

Priority Applications (1)

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EP17150074.7A EP3342730A1 (de) 2017-01-02 2017-01-02 Kapsel und verfahren zur herstellung von getränken

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17150074.7A EP3342730A1 (de) 2017-01-02 2017-01-02 Kapsel und verfahren zur herstellung von getränken

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1604915A1 (de) 2002-01-16 2005-12-14 Societe Des Produits Nestle S.A. Geschlossene Kartusche versehen mit einer Öffnungsanordnung
EP1807318A1 (de) 2004-09-17 2007-07-18 Tuttoespresso S.p.a. Wegwerfkapsel für getränke
WO2008011913A1 (en) 2006-07-28 2008-01-31 Illycaffe' S.P.A. Improvements to capsules containing a substance in powder form from which a beverage, preferably espresso coffee, is to be extracted
WO2010041179A2 (fr) * 2008-10-08 2010-04-15 Ethical Coffee Company Sa Capsule pour la préparation d'une boisson
WO2013076519A1 (en) * 2011-11-22 2013-05-30 Tuttoespresso S.R.L. Capsule for beverage preparation
EP2628694A1 (de) 2005-12-02 2013-08-21 Tuttoespresso S.r.l. Druckgetränkepatrone
WO2014191044A1 (en) * 2013-05-30 2014-12-04 Tuttoespresso S.R.L. Capsule, system and method for beverage preparation
WO2015090390A1 (en) * 2013-12-18 2015-06-25 Tuttoespresso S.R.L. Capsule and system for the beverage preparation
WO2015193774A1 (en) 2014-06-18 2015-12-23 Luigi Lavazza S.P.A. Cartridge for preparing a liquid product and method for producing it

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1604915A1 (de) 2002-01-16 2005-12-14 Societe Des Produits Nestle S.A. Geschlossene Kartusche versehen mit einer Öffnungsanordnung
EP1807318A1 (de) 2004-09-17 2007-07-18 Tuttoespresso S.p.a. Wegwerfkapsel für getränke
EP2628694A1 (de) 2005-12-02 2013-08-21 Tuttoespresso S.r.l. Druckgetränkepatrone
WO2008011913A1 (en) 2006-07-28 2008-01-31 Illycaffe' S.P.A. Improvements to capsules containing a substance in powder form from which a beverage, preferably espresso coffee, is to be extracted
WO2010041179A2 (fr) * 2008-10-08 2010-04-15 Ethical Coffee Company Sa Capsule pour la préparation d'une boisson
WO2013076519A1 (en) * 2011-11-22 2013-05-30 Tuttoespresso S.R.L. Capsule for beverage preparation
WO2014191044A1 (en) * 2013-05-30 2014-12-04 Tuttoespresso S.R.L. Capsule, system and method for beverage preparation
WO2015090390A1 (en) * 2013-12-18 2015-06-25 Tuttoespresso S.R.L. Capsule and system for the beverage preparation
WO2015193774A1 (en) 2014-06-18 2015-12-23 Luigi Lavazza S.P.A. Cartridge for preparing a liquid product and method for producing it

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