EP3487788B1 - Capsule pour la preparation d'une boisson - Google Patents

Capsule pour la preparation d'une boisson Download PDF

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Publication number
EP3487788B1
EP3487788B1 EP17734698.8A EP17734698A EP3487788B1 EP 3487788 B1 EP3487788 B1 EP 3487788B1 EP 17734698 A EP17734698 A EP 17734698A EP 3487788 B1 EP3487788 B1 EP 3487788B1
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EP
European Patent Office
Prior art keywords
capsule
slit valve
beverage
connecting piece
air inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP17734698.8A
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German (de)
English (en)
Other versions
EP3487788B2 (fr
EP3487788A1 (fr
Inventor
Roland Affolter
Markus BRÖNNIMANN
Tim Thilla
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.)
Delica AG
Original Assignee
Delica AG
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Publication date
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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
    • 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
    • B65D85/8049—Details of the inlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8061—Filters

Definitions

  • the present invention relates to a capsule for the preparation of a beverage according to claim 1.
  • the EP 1 908 706 A2 a capsule, in the interior of which an insert is arranged which, together with the bottom of the capsule body, fulfills a valve function, so that after a liquid pressure has dropped, no drink can escape from the capsule.
  • a labyrinth structure downstream of the valve calms the beverage flow and mixes the prepared beverage.
  • a capsule for the preparation of a drink is to be made available, which can be produced simply and inexpensively.
  • dripping of the capsule after the end of the preparation process should be prevented as far as possible or prevented entirely.
  • a foaming of the drink and a crema by producing shear forces should be made possible when preparing coffee.
  • a capsule according to the invention for the preparation of a beverage comprises a preferably rotationally symmetrical capsule body which completely or partially delimits a substance chamber for receiving at least one substance, a preferably centrally arranged outlet nozzle with an outlet opening and a cover for closing the substance chamber.
  • a liquid can be introduced into the substance chamber and can be discharged through the outlet opening.
  • a slit valve which in particular opens further under increasing liquid pressure in the substance chamber, is arranged between the substance chamber and the outlet nozzle in such a way that the slit valve opens directly into the outlet nozzle and in particular generates a beverage jet.
  • the slit valve is not necessarily tightly sealed under atmospheric pressure, at least not airtight.
  • valve which only opens completely under increasing liquid pressure, can prevent the beverage from escaping prematurely, which in particular allows a coffee substance to be pre-brewed. Accordingly, the capsule will not only allow the beverage to be dispensed drop by drop, but will also enable continuous beverage dispensing due to the design.
  • the design of the valve as a slotted valve ensures that an increased shear effect in the beverage is achieved with a constant cross-sectional area. Thus, an improved crema is produced, particularly in the production of coffee.
  • the fact that the slit valve opens directly into the outlet connection makes it easier to dispense the beverage. If the outlet nozzle is cylindrical and in particular has straight inner walls, the dripping time can be reduced after the preparation is finished.
  • the slit valve can be part of an inlet-side boundary wall of the outlet connection.
  • the entire length of the outlet nozzle can thus be used to calm the beverage jet.
  • the drink will flow out of the capsule accordingly and can be collected in a cup.
  • the slit valve can extend over the entire diameter of the outlet nozzle.
  • a slit valve opens up further degrees of freedom with regard to the design.
  • the slit valve can comprise a movable or a deflecting wall element, which is not only separated from the outlet nozzle by the slit of the slit valve, but the deflection is simplified by further design measures.
  • further weakening zones can be provided in the edge region of the boundary wall.
  • the slit valve is formed by mutually offset wall sections.
  • Such wall sections which for example each form half of the boundary wall, which are arranged offset, make injection molding possible in a simple manner.
  • a slot can be formed in this way, which can be as thin as desired. It is even possible to easily manufacture a closed valve with a predetermined breaking point. In the case of injection molding production with forced demolding, it is also possible for the valve to be open from the start.
  • the slit valve can be designed such that it only opens when a minimum liquid pressure is reached.
  • a minimal fluid pressure for a capsule for the "Tassimo®” system be greater than 0.5 bar, preferably greater than 1.0 bar, particularly preferably 1.5 bar.
  • this minimum internal pressure can be 3 to 4 bar.
  • Such a valve ensures, for example, that a drink can only emerge from the capsule when it is under a pressure required for the shear effect in the valve. Accordingly, the quality of the prepared drink, in particular the crema when preparing coffee, can always be kept the same.
  • the slit valve can be designed to be self-closing in such a way that it closes automatically when there is no fluid pressure or when the fluid pressure is reduced to a predetermined pressure. For example, it is conceivable that the valve closes gradually when the pressure falls below 0.2 bar. For example, the pressure can be continuously reduced, regardless of the capsule or machine system, before it is completely closed.
  • a self-closing valve ensures that the capsule no longer drips after the preparation process has ended.
  • the slit valve can be designed as a predetermined breaking point and can be closed tightly, in particular fluid-tight, preferably aroma-tight, before the minimum liquid pressure is applied for the first time.
  • fluid-tight preferably aroma-tight
  • Such a dense, in particular aroma-tight design of the slit valve allows that no additional membrane has to close the outlet opening and nevertheless a loss of aroma of the beverage substance can be prevented. If the lid and the capsule body are designed accordingly, the quality of the prepared drink can be guaranteed even after the capsule has been stored for a long time.
  • the slit valve can be arranged in such a way that the beverage jet pours transversely to an outlet direction of the outlet nozzle.
  • the outlet direction extends from the slit valve to the outlet opening and is generally approximately parallel to a longitudinal axis of the outlet nozzle and / or approximately parallel to an axis of symmetry of the preferably rotationally symmetrical capsule body.
  • a beverage jet which flows into the outlet nozzle transversely to the outlet direction, will strike a side wall of the outlet nozzle, so that on the one hand its flow rate is reduced and on the other hand mixing of the beverage with air is promoted.
  • An air inlet opening connected to an air supply duct can be arranged in the outlet nozzle in such a way that the beverage jet can be guided past the air inlet opening.
  • Such a construction is for example in the EP 1 440 910 A1 disclosed.
  • air can be entrained, which then mixes with the beverage jet. Accordingly, an airy liquid does not have to be formed in the capsule from the beverage substance in order to produce, for example, a foamed beverage.
  • the air content can be increased by adding air to the drink at a later date.
  • the air inlet opening can be arranged and / or configured such that when the capsule is used as intended, no drink can enter the air inlet opening under the effect of gravity. Accordingly, a machine for preparing the beverage is prevented from being contaminated unintentionally by a beverage emerging through the air inlet opening and the air inlet channel of the capsule.
  • this air inlet opening is dimensioned so small that due to the viscosity of the prepared drink cannot pass through the air inlet opening.
  • the air inlet opening can be arranged laterally or in the direction of gravity above the beverage jet formed by the nozzle.
  • This opening which is arranged on the side or above the beverage jet, prevents the beverage from escaping under the action of gravity, even with a larger air inlet opening. Accordingly, the machine for preparing the drink must also be taken into account, since this machine determines the orientation of the capsule when used as intended.
  • the outlet nozzle can have two, three or more air inlet openings. It has been shown that more air can be introduced into the drink through a plurality of air inlet openings. Accordingly, more or less can be foamed depending on the drink.
  • the valve and the air inlet opening can be designed such that when the valve is opened, a Venturi nozzle is formed.
  • a Venturi nozzle By designing the valve as a Venturi nozzle, the entrained air or the air introduced into the drink can be precisely determined.
  • the term venturi nozzle means any arrangement whose entrainment of air is based on the venturi effect or Bernoulli's law. It is also conceivable that the capsule has only one venturi nozzle and the valve is dispensed with. This venturi nozzle can be arranged instead of the slit valve and inject the drink directly into the outlet nozzle.
  • the air supply duct or partial areas thereof can be created by an interaction of the capsule body with one on the capsule body attached plug be formed.
  • Such a two-part construction of the capsule enables additional degrees of freedom and in particular simplifies inexpensive production of the capsule.
  • the stopper can be attached to the capsule body from the outside.
  • This construction allows further degrees of freedom in the construction of the capsule.
  • the prior art shows, for example, that an additional part is inserted into the capsule body, which contains the outlet nozzle.
  • a construction is advantageous in which an additional part is attached to the capsule body on the side opposite the cover. Accordingly, the tolerance chain on the side of the cover is not affected.
  • the capsule body and the outlet nozzle can be formed in one piece. By integrally forming the capsule body and outlet nozzle, tolerances can be very easily maintained, which are required, for example, for closing the capsule by the lid. Accordingly, the capsule can be manufactured inexpensively.
  • the outlet nozzle is a separate component which interacts with the capsule body and is attached to the capsule body.
  • a filter can be arranged in front of the slit valve.
  • a filter ensures that no undissolved beverage substance particles are flushed onto and / or into the valve and clog it. This ensures that the valve functions correctly.
  • the outlet nozzle with its outlet opening can be closed by the lid. Simultaneously closing the capsule and the outlet opening increases the hygiene of the capsule. When storing them, no foreign substances can get into the outlet nozzle, which could contaminate a prepared drink or the machine for preparing the drink.
  • the cover can also have a recess in the area of the outlet opening. This is particularly useful in the case of an aroma-tight design of the slit valve. Tolerance problems can also be avoided with a two-part construction of the capsule body and outlet nozzle if the lid does not have to close the capsule body and the outlet nozzle.
  • the capsule body and optionally also the outlet nozzle and / or the stopper and / or the insert can be manufactured by an injection molding or deep drawing process.
  • the use of an injection molding process allows great flexibility with regard to the design of the shape of the capsule body and / or the outlet connector and / or the stopper and / or the insert part. Although this is limited in a deep-drawing process, it is possible to produce capsules that are particularly oxygen and / or aroma-tight. However, oxygen and / or aroma tightness is not limited to capsules produced by a deep-drawing process.
  • an oxygen and / or aroma-tight capsule is understood to mean a capsule in which coffee powder can be stored in ambient air at room temperature for at least 12 months, preferably 18 months, without the coffee powder being changed , which affects the quality of a coffee beverage made from it.
  • the film material used for this can have an OTR (Oxygen Transmission Rate) of less than 5, preferably less than 2.
  • OTR Oxygen Transmission Rate
  • the OTR specifies the amount of oxygen per unit area and time that diffuses through a film, in the unit: cm3 / m2 / day / 0.21 bar.
  • the finished oxygen- and / or aroma-tight capsule body, or the entire capsule (including the stopper and / or insert and lid) can have an OTR (Oxygen Transmission Rate) of less than 5, preferably less than 2. This applies separately from the manufacturing process used.
  • Figure 1 shows a perspective view of a first embodiment of a capsule 1 with a capsule body 2 and a stopper 9 lifted off the capsule body 2 and to be connected to it.
  • the capsule 1 is oriented in such a way that it is used in its intended use. Accordingly, a cover 8 (see Figure 2 ) arranged on the underside of the capsule 1.
  • the capsule body 2 has a receptacle on the visible upper side in a central area, in which the stopper 9 can be inserted. In the intended use, the stopper 9 is firmly connected to the capsule body 2, for example glued, welded or snapped.
  • the capsule body 2 has through openings 16 which allow a drink formed in the capsule 1 to pass through to the stopper 9.
  • the stopper 9 has on its lower side in the illustration shown a filter 15 which is formed by a plurality of slots.
  • a filter 15 which is formed by a plurality of slots.
  • the actual filter function only comes into effect when the stopper 9 is inserted in the capsule body 2, the drink is in an intermediate space between the capsule body 2 and the stopper 9 and is passed through the slots of the filter 15.
  • FIG 2 is a cross section through the assembled capsule 1 from the Figure 1 pictured.
  • the capsule body 2 can again be seen, in which the stopper 9 is inserted from above in the illustration shown.
  • the stopper 9 closes the capsule body 2 tightly on the upper side, which in the illustration shown and in the intended use lies at the top.
  • the capsule body 2 forms a substance chamber 3, in which a substance 4 for preparing the drink is present.
  • the capsule 1 or the capsule body 2 is closed on the lower side by a cover 8.
  • This cover 8 not only closes the substance chamber 3 but also an air supply channel 7 and an outlet connection 5 with its outlet opening 6.
  • the air supply channel 7 is arranged coaxially around the outlet connection 5.
  • the outlet nozzle 5 is closed off on the side opposite the outlet opening 6 by a boundary wall 12.
  • the slots in the additional part 9 can be seen, which form the filter 15.
  • FIG. 3a to 3c is a perspective view of a cut capsule according to Figure 1 shown, the capsule according to the invention.
  • the section runs transversely to the section from FIG. 2.
  • the function of the capsule is explained on the basis of these figures.
  • the capsule body 2 forms a substance chamber 3, which receives the substance required to produce the drink.
  • the outlet connection 5 with its outlet opening 6 is arranged in a central region of the capsule body 2.
  • the air supply duct 7 is provided coaxially around this outlet connection 5.
  • the cover 8 is not shown (see Figure 2 ), which closes the capsule 1.
  • the capsule 1 When used as intended, the capsule 1 is pierced from below, that is to say through the lid, so that a liquid is injected into the capsule or into the substance chamber 3. After a short time, the beverage will fill the entire substance chamber 3 and enter through the through openings 16 into an intermediate space 17 between the capsule body 2 and the stopper 9. The drink will flow down there and through the filter 15 (see Figure 3b ) get into a collecting space 13 above the outlet connection 5.
  • the collecting space 13 is separated from the outlet connection 5 by a boundary wall 12.
  • This boundary wall 12 is formed by two wall sections 20, 21 which are arranged offset from one another.
  • a slit valve 14 is formed between these two wall sections 20, 21.
  • the slit valve 14 opens under pressure of the adjacent beverage and allows a jet of liquid to flow out into the outlet connection 5.
  • this slit valve 14 acts upon it of the beverage with shear forces in order to produce a crema when preparing coffee or to condition any air bubbles contained in the beverage.
  • the beverage After the beverage has passed out of the substance chamber 3 through the through openings 16 into an intermediate space 17 between the stopper 9 and the capsule body 2, the beverage is pushed downward due to the internal pressure.
  • the beverage must press the filter 15, which is formed from the slots of the stopper 9 in cooperation with the capsule body 2.
  • the drink is filtered. If, for example, coffee powder is used as the beverage substance, a filter cake is formed in the intermediate space from the substance particles that have been swept along, which favors the filtration.
  • the filtered drink arrives in a collecting space 13 above the outlet nozzle 5. This collecting chamber is separated from the outlet nozzle 5 and the outlet opening 6 by a boundary wall 12 and a slotted valve 14 arranged therein.
  • the slit valve 14 only opens when there is a minimum internal pressure of 0.5 bar inside the capsule.
  • the slit valve 14 will open, ie the slit of the slit valve 14 is pressed open by the pressure and a beverage jet is formed.
  • this internal pressure depends on the capsule system and can be adjusted during the production of the capsule.
  • This beverage jet is injected into the outlet nozzle 5, the beverage can reach the outlet opening 6 unhindered.
  • the drink is subjected to shear forces through the slit valve 14. Air contained in the beverage is thus formed into fine air bubbles that are carried along in the beverage jet.
  • a crema is thus produced which forms as a fine foam, for example in a cup, on the coffee being prepared.
  • the slit valve 14 extends over the entire diameter of the outlet connection 5.
  • the slit accordingly extends over the entire boundary wall 12.
  • the slit is formed by two mutually offset wall sections 20, 21, one wall section 21 comprising a partition 19 of the air supply duct 7.
  • the other partition 20 is comparatively thin, so that it can deform under the liquid pressure to enlarge the slot of the slit valve 14 accordingly.
  • the partition 20 preferably has a thickness of between 0.2 mm to 0.3 mm, so that it can be deformed correspondingly simply by an applied liquid pressure. Of course this thickness can be adjusted depending on the material used and the internal pressure required.
  • the slit valve 14 is designed in such a way that the resulting beverage jet is directed past an air inlet opening 11, that is to say injected transversely to an outlet direction 10 from the boundary wall 12 to the outlet opening 6 into the outlet nozzle 5 and impinges on the side wall of the outlet nozzle 5.
  • This air inlet opening 11 is connected to the air supply duct 7, which is arranged coaxially around the outlet connection 5.
  • the beverage jet entrains air as it passes under the air inlet opening 11 and mixes with this air.
  • An air-foamed drink is formed, which leaves the capsule through the outlet opening 6.
  • additional foam formation is often desired in order to produce a cappuccino or a latte macchiato, for example.
  • a fine foam in the form of a crema is also desirable when preparing coffee.
  • the liquid is introduced into the substance chamber 3 (see Figure 3a ) prevented, the internal pressure in the capsule will decrease and when the pressure falls below 0.2 bar, the slit valve 14 closes again. This means that no more drink can get into the outlet nozzle 5, and dripping will be ended after a short time.
  • the pressure mentioned is in turn adjustable depending on the capsule system and during the manufacture of the capsule.
  • Figure 4 shows a perspective view from above of a central region of the capsule body 2 from the Figure 1 the capsule according to the invention. This central area is designed as a depression in the capsule body, as in the Figure 1 can be seen.
  • the through openings 16 through which the drink enters the intermediate space 17 arrives.
  • ribs 18 are arranged in a circle, which support the stopper 9 to be inserted (see Figure 1 ) serve.
  • two sub-areas with two wall sections 20, 21 can be seen, which together form a boundary wall 12 to the outlet connection 5 (see Figures 3a to 3c ) form.
  • a first partial area with the wall section 20 represents the collecting space 13, which collects the prepared drink before it passes through the slit valve 14.
  • the second partial area with wall section 21 is separated from the ribs 18 and from the collecting space 13 by a partition wall 19. This partition 19 is tightly connected to the plug 9.
  • the area separated in this way has access to the air supply duct 7 and three air inlet openings 11 which open into the outlet connection.
  • This separated section makes it possible for air to be entrained by the beverage jet in the outlet nozzle.
  • the arrangement of the air inlet openings 11 prevents that the drink can reach the air inlet openings 11 and the air inlet duct 7 under the effect of gravity.
  • the beverage collects after it has passed through the through openings 16 and the filter 15 (for both see Figures 3a and 3b ) in the collecting space 13.
  • the slit valve 14 is closed in its rest position, the slit is only recognizable as a hairline crack. Accordingly, there is still no opening, but the plastic has already been separated at the location of the slit valve 14 by the hairline crack.
  • the slit valve 14 opens in that the wall section 20 of the collecting space 13 is bent downwards.
  • the existing slot of the slit valve 14 is correspondingly larger until a balance is established between the restoring force of the wall section 20 of the collecting space 13 and the force resulting from the internal pressure of the capsule.
  • the beverage emerges through the slit valve 14 thus opened and reaches the outlet connection 5 (see Figures 3a to 3c ).
  • the wall section 20 of the collecting space 13 resets due to its elasticity and the gap of the slit valve 14 is narrowed again.
  • the slit valve 14 is closed. A further leakage of drink from the capsule is prevented.
  • the slit valve 14 can be completely closed before the first opening.
  • a predetermined breaking point can be provided instead of a slit, which, however, enables opening under pressure.
  • FIG. 5 and 6 Another embodiment of a capsule according to the invention is shown in sections. These in turn represent an enlarged perspective view obliquely from below onto a central area of the capsule and a perspective view from above onto the recessed central area of the capsule body, similar to that Figures 3b and 4th . Accordingly, only the differences are pointed out. The reference numbers are left unchanged.
  • the collecting space 13 is designed as a recessed channel.
  • the slit valve 14 is located at the end of the channel adjacent to the partition 19 and is open. With increased internal pressure, the wall section 20 of the boundary wall 12 of the stopper 2 can bend, so that the opening of the nozzle 12 increases. There is again a balance between internal pressure and restoring force.
  • the valve 14 could also be designed as a closed slot, which only opens under pressure.
  • the jet of the drink is not formed by a wide slot over the entire diameter of the outlet nozzle 5 but by the slot in the channel of the collecting space 13. Accordingly, it does not make sense to provide several air inlet openings to the outlet nozzle 5, it exists in this embodiment only one air inlet opening 11.
  • the Figure 7 shows a perspective view obliquely from above of a cut capsule 1 according to the invention in a further embodiment.
  • the reference numerals are again used in analogy to the previous figures.
  • a capsule body 2 is closed by a lid.
  • An insert 22 is introduced into this capsule body 2, in which the outlet connection 5 with its outlet opening 6 and the slit valve 14 are formed.
  • the insert 22 has on its Outlet nozzle 5 opposite side on a surface with ribs 18 on which a filter layer is arranged.
  • the filter layer is not shown.
  • the insert part 22 has a spoke 23 on the edge, with which it is supported on a stepped edge in the capsule body 2.
  • the capsule body 2 forms a substance chamber 3. A liquid is injected into the capsule 1 during beverage preparation.
  • This liquid gets into the substance chamber 3 so that the drink can form there.
  • the filter layer (not shown) consisting of a perforated film and / or a filter fleece and collects in a collecting space 13 above the outlet connection 5.
  • the collecting space 13 is in turn separated by a boundary wall 12 with two wall sections 20 , 21 separated from the outlet nozzle 5.
  • the two wall sections 20, 21 are arranged offset from one another and form a slit valve 14, which opens under the applied liquid pressure.
  • the liquid jet is injected into the outlet connection 5 by the arrangement of the slit valve 14 transversely to an outlet direction 10, which extends approximately parallel to the side wall of the outlet connection 5 in the direction from the boundary wall 12 to the outlet opening 6.
  • An air inlet opening which is connected to an air supply duct that extends coaxially around the outlet connection 5, is not configured. However, as already described in the previous embodiments, such a construction can be easily implemented.
  • FIG 8 a cross section through a further embodiment of a capsule 1 according to the invention is shown.
  • This capsule 1 is formed by a capsule body 2, which is closed by a lid (not shown).
  • an outlet nozzle 5 with an outlet opening 6 is arranged on the side opposite the cover.
  • An outlet direction 10 extends approximately parallel to an axis of rotational symmetry of the capsule 1 from the lid to the outlet opening 6.
  • the capsule body 2 has a substance chamber 3, in which the substance for producing the beverage is arranged.
  • a filter 15 is arranged between the substance chamber 3 and the outlet nozzle 5, which prevents undissolved substance particles from escaping from the capsule 1.
  • the filter 15 is followed by a collecting space 13 which collects the prepared drink in an area above the outlet connection 5.
  • This collecting space 13 is separated by a boundary wall 12, comprising two mutually offset wall sections 20, 21.
  • the two wall sections 20, 21 in turn form a slit valve 14, which opens under pressure in a similar manner to that described for the other exemplary embodiments.
  • an air inlet opening could also be integrated in this exemplary embodiment.

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

Claims (14)

  1. Capsule (1) pour la préparation d'une boisson, comprenant un corps de capsule (2) réalisé de préférence avec une symétrie de révolution, qui limite complètement ou partiellement une chambre de substance (3) pour recevoir au moins une substance (4), une tubulure d'écoulement (5) disposée de préférence centralement avec une ouverture d'écoulement (6) ainsi qu'un couvercle (8) pour fermer la chambre de substance (3), un liquide pouvant être introduit dans la chambre de substance (3) et pouvant être évacué à travers l'ouverture d'écoulement (6), une soupape à fente (14) s'ouvrant dans la chambre de substance (3) sous l'effet d'une pression de liquide croissante étant disposée entre la chambre de substance (3) et la tubulure d'écoulement (5) de telle sorte que la soupape à fente (14) s'ouvre directement dans la tubulure d'écoulement (5) et notamment génère un jet de boisson, caractérisée en ce que la soupape à fente (14) est formée par des portions de parois (20, 21) mutuellement décalées.
  2. Capsule (1) selon la revendication 1, caractérisée en ce que la soupape à fente (14) fait partie d'une paroi de limitation côté entrée (12) de la tubulure d'écoulement (5).
  3. Capsule (1) selon la revendication 2, caractérisée en ce que la soupape à fente (14) s'étend sur tout le diamètre de la tubulure d'écoulement (5).
  4. Capsule (1) selon l'une quelconque des revendications 1 et 3, caractérisée en ce que la soupape à fente (14) est réalisée de manière à se fermer automatiquement en l'absence de pression de liquide ou en cas de réduction de la pression de liquide en dessous d'une pression prédéterminée.
  5. Capsule (1) selon l'une quelconque des revendications 1 et 4, caractérisée en ce que la soupape à fente (14) est configurée sous forme de zone destinée à la rupture et est fermée avant une première application de la pression de liquide minimale de manière étanche, en particulier de manière étanche aux fluides, de préférence de manière étanche aux arômes.
  6. Capsule (1) selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la soupape à fente (14) est disposée de telle sorte que le jet de boisson s'écoule dans la tubulure d'écoulement (5) transversalement à la direction d'écoulement (10) de la tubulure d'écoulement (5).
  7. Capsule selon l'une quelconque des revendications 1 à 6, caractérisée en ce qu'une ouverture d'entrée d'air (11) connectée à un canal d'alimentation en air (7) est disposée dans la tubulure d'écoulement (5) de telle sorte que le jet de boisson puisse être conduit devant l'ouverture d'entrée d'air (11).
  8. Capsule (1) selon la revendication 7, caractérisée en ce que l'ouverture d'entrée d'air (11) est disposée et/ou configurée de telle sorte que dans le cas d'une utilisation conforme sous l'action de la force de gravité, aucune boisson ne puisse entrer dans l'ouverture d'entrée d'air (11).
  9. Capsule (1) selon la revendication 7 ou 8, caractérisée en ce que l'ouverture d'entrée d'air (11), dans le cas d'une utilisation conforme, est disposée latéralement ou dans la direction de la force de gravité au-dessus du jet de boisson formé par la soupape à fente (14).
  10. Capsule (1) selon l'une quelconque des revendications 7 à 9, caractérisée en ce que le canal d'alimentation en air (7) est formé au moins en partie par une coopération du corps de capsule (2) avec un bouchon (9) monté sur le corps de capsule (2).
  11. Capsule (1) selon la revendication 10, caractérisée en ce que le bouchon (9) est monté depuis l'extérieur sur le corps de capsule (2).
  12. Capsule (1) selon l'une quelconque des revendications 1 à 11, caractérisée en ce que le corps de capsule (2) et la tubulure d'écoulement (5) sont réalisés d'une seule pièce.
  13. Capsule (1) selon l'une quelconque des revendications 1 à 11, caractérisée en ce que la tubulure d'écoulement (5) est un composant séparé du corps de capsule (2).
  14. Capsule (1) selon l'une quelconque des revendications 1 à 13, caractérisée en ce qu'un filtre (15) est disposé avant la soupape à fente (14) .
EP17734698.8A 2016-07-19 2017-06-26 Capsule pour la preparation d'une boisson Active EP3487788B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16180136.0A EP3272671A1 (fr) 2016-07-19 2016-07-19 Capsule pour la preparation d'une boisson
PCT/EP2017/065681 WO2018015109A1 (fr) 2016-07-19 2017-06-26 Capsule et dispositif pour préparer une boisson

Publications (3)

Publication Number Publication Date
EP3487788A1 EP3487788A1 (fr) 2019-05-29
EP3487788B1 true EP3487788B1 (fr) 2020-07-22
EP3487788B2 EP3487788B2 (fr) 2023-07-12

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EP16180136.0A Withdrawn EP3272671A1 (fr) 2016-07-19 2016-07-19 Capsule pour la preparation d'une boisson
EP17734698.8A Active EP3487788B2 (fr) 2016-07-19 2017-06-26 Capsule pour la preparation d'une boisson

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16180136.0A Withdrawn EP3272671A1 (fr) 2016-07-19 2016-07-19 Capsule pour la preparation d'une boisson

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EP (2) EP3272671A1 (fr)
ES (1) ES2827794T5 (fr)
WO (1) WO2018015109A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7640843B2 (en) 2003-01-24 2010-01-05 Kraft Foods R & D, Inc. Cartridge and method for the preparation of beverages
US20210000284A1 (en) * 2018-03-12 2021-01-07 Delica Ag Adapter for use in preparing a beverage by means of a capsule and a beverage preparation device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964509A (en) 1975-02-14 1976-06-22 Da/Pro Rubber, Inc. Check valve
DE10122557A1 (de) 2000-05-26 2001-11-29 Wella Ag Behälterverschluss
ITMI20090867A1 (it) 2009-05-18 2010-11-19 Tuttoespresso Spa Capsula con apertura ibrida
US20120006861A1 (en) 2010-07-06 2012-01-12 Capsol S.P.A. Dispensing cap with automatic valve for containers for transporting and dispensing liquid or creamy substances
US20130247774A1 (en) 2010-09-28 2013-09-26 Mvp S.R.L. System for Preparing a Beverage Starting From an Infusion Product Contained in an Interchangeable Capsule
WO2015049269A1 (fr) 2013-10-04 2015-04-09 Delica Ag Capsule et système de préparation d'un produit alimentaire liquide
WO2015165627A1 (fr) 2014-04-29 2015-11-05 Delica Ag Capsule comportant un corps de capsule de préférence à symétrie de révolution
WO2016014556A1 (fr) 2014-07-21 2016-01-28 Abbott Laboratories Capsule destinée à être utilisée avec un dispositif de distribution de boisson et comprenant un élément de sortie à valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2397505B (en) 2003-01-24 2006-01-04 Kraft Foods R & D Inc System and method for the preparation of beverages
GB2397493B (en) * 2003-01-24 2005-06-29 Kraft Foods R & D Inc Cartridge for the preparation of beverages
JP4865697B2 (ja) * 2004-03-26 2012-02-01 イリカフェ エス ピー エー 微粒物質から飲料を抽出するための統合されたカートリッジ
ATE428657T1 (de) * 2005-09-21 2009-05-15 Illycaffe Spa Kapsel enthaltend einer substanz zum extrahieren eines getränks
PL1864917T3 (pl) 2006-06-06 2009-01-30 Nestec Sa Kapsuła o zmniejszonym ociekaniu
GB2481068B (en) * 2010-06-11 2012-06-20 Kraft Foods R & D Inc Cartridge for the preparation of beverages

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964509A (en) 1975-02-14 1976-06-22 Da/Pro Rubber, Inc. Check valve
DE10122557A1 (de) 2000-05-26 2001-11-29 Wella Ag Behälterverschluss
ITMI20090867A1 (it) 2009-05-18 2010-11-19 Tuttoespresso Spa Capsula con apertura ibrida
US20120006861A1 (en) 2010-07-06 2012-01-12 Capsol S.P.A. Dispensing cap with automatic valve for containers for transporting and dispensing liquid or creamy substances
US20130247774A1 (en) 2010-09-28 2013-09-26 Mvp S.R.L. System for Preparing a Beverage Starting From an Infusion Product Contained in an Interchangeable Capsule
WO2015049269A1 (fr) 2013-10-04 2015-04-09 Delica Ag Capsule et système de préparation d'un produit alimentaire liquide
WO2015165627A1 (fr) 2014-04-29 2015-11-05 Delica Ag Capsule comportant un corps de capsule de préférence à symétrie de révolution
WO2016014556A1 (fr) 2014-07-21 2016-01-28 Abbott Laboratories Capsule destinée à être utilisée avec un dispositif de distribution de boisson et comprenant un élément de sortie à valve

Also Published As

Publication number Publication date
ES2827794T5 (es) 2024-02-20
EP3487788B2 (fr) 2023-07-12
ES2827794T3 (es) 2021-05-24
EP3487788A1 (fr) 2019-05-29
WO2018015109A1 (fr) 2018-01-25
EP3272671A1 (fr) 2018-01-24

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