EP3301041A1 - Capsule de préparation d'une boisson - Google Patents

Capsule de préparation d'une boisson Download PDF

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Publication number
EP3301041A1
EP3301041A1 EP16192014.5A EP16192014A EP3301041A1 EP 3301041 A1 EP3301041 A1 EP 3301041A1 EP 16192014 A EP16192014 A EP 16192014A EP 3301041 A1 EP3301041 A1 EP 3301041A1
Authority
EP
European Patent Office
Prior art keywords
capsule
lid
beverage
trough
connection
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Withdrawn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
EP16192014.5A
Other languages
German (de)
English (en)
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
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 Delica AG filed Critical Delica AG
Priority to EP16192014.5A priority Critical patent/EP3301041A1/fr
Priority to EP17765468.8A priority patent/EP3519324A1/fr
Priority to PCT/EP2017/073567 priority patent/WO2018065205A1/fr
Publication of EP3301041A1 publication Critical patent/EP3301041A1/fr
Withdrawn legal-status Critical Current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
    • B65D85/8049—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
    • B65D85/8052—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
    • B65D85/8061—Filters

Definitions

  • the present invention relates to a capsule for preparing a beverage according to the preamble of claim 1 and to a method for producing a capsule according to the preamble of claim 15.
  • capsules are often used for the preparation of different hot drinks, especially coffee or tea, in home use.
  • capsules which are designed as disposable products, comprise a capsule body for holding the beverage ingredients and a lid covering the capsule body.
  • the ingredients are mostly roasted and ground coffee beans, but sometimes also dried tea leaves.
  • soluble products in general or concentrates are also suitable.
  • pressurized water is passed through the capsule, resulting in extraction or dissolution of the material contained in the chamber.
  • the said capsule consists of substantially air and water impermeable materials.
  • the capsule comprises a capsule body which forms a receiving space for the beverage ingredients.
  • an outlet nozzle is held in the receiving space by a supporting means engaging the bottom of the capsule.
  • both the receiving space and the outlet nozzle are closed with a cover covering the capsule body.
  • the lid is penetrated simultaneously in two places - on the one hand for introducing pressurized water into the chamber, on the other hand to open the outlet nozzle.
  • the capsule should be inexpensive and can be produced in large quantities.
  • the capsule for preparing a beverage from at least one starting substance comprises a capsule body for receiving the at least one starting substance and a lid covering the capsule body.
  • a corresponding capsule which contains at least one starting substance for the preparation of a beverage.
  • the starting substance is in particular a dry product, for example roasted and ground coffee beans or dried tea leaves.
  • soluble starting substances are also conceivable.
  • the capsule body is formed at least in two parts and comprises at least one trough part and at least one connection part for supplying and / or discharging liquid into or out of the capsule with a beverage preparation device provided for this purpose.
  • the capsule body may be rotationally symmetrical.
  • the connection part is arranged between the tub part and the lid.
  • the trough part is fluid-tightly connected to the connection part and the connection part to the cover.
  • connection part between the capsule body and the lid is arranged, in particular, that the lid has no direct contact with the capsule body but is merely connected to the latter via the connection part.
  • This embodiment of the capsule makes filling same with a starting substance for preparing a beverage considerably facilitated.
  • the trough part can be filled with the starting substance before it is connected to the connection part. This avoids that the side of the connecting part facing away from the trough part comes into contact with the starting substance.
  • the capsule body and the connection part can be matched with respect to their design and the materials used to their respective main function.
  • the connection part can be designed with a significantly higher rigidity. Accordingly, no support means are necessary, which engage the bottom of the capsule body to hold the spout.
  • the proportion of the total volume of the capsule body, which is usable for receiving the starting substance can be increased.
  • significantly more complex capsule geometries can be realized by this two-part design.
  • the connection part may have an outlet connection with an inlet opening and an outlet opening.
  • the outlet nozzle is then directed with the outlet opening against the inside of the lid.
  • the attachment part may be connected to the trough part on a side wall, on a flange or on an inner shoulder.
  • connection part may be at least partially inserted into the trough part. This makes it possible that the outer shell of the capsule is formed essentially by the trough part and the lid.
  • the connecting part then serves in particular to allow the discharge of liquid from the capsule.
  • the connector can then have a structural function by increasing the rigidity of the capsule.
  • the trough part and the connection part can be materially connected to one another in a fluid-tight manner, in particular by welding, sealing, in particular heat seals or ultrasonic sealing, or gluing. These are methods that enable a particularly reliable connection. In addition, these methods can be routinely used in the mass production of capsules, allowing for a particularly efficient and inexpensive capsule preparation.
  • the trough part and the lid can be connected at opposite points of the connecting part with this. Thereby It is possible to produce in the production of the capsule in one step both the connection of the capsule body with the connection part and that of the lid with the same. This also allows a more efficient and cost-effective production of such a capsule.
  • the connecting part may comprise at least one circumferential web, which is fluid-tightly connected to the lid.
  • the outlet nozzle can be closed fluid-tight by a circumferential web and the lid. This makes it possible to store the at least one starting substance for the preparation of the beverage hermetically sealed in the receiving space of the capsule body. There are no further means for closing the outlet nozzle required.
  • a filter element may be arranged at the outlet, in particular on, preferably before, the inlet opening. Such is usually necessary for the preparation of beverages by extraction of a starting substance. This is especially true for coffee or tea.
  • An arrangement of the filter element directly at the inlet opening of the outlet nozzle is advantageous in that no further fluid-carrying elements for guiding the filtrate to the outlet nozzle are necessary. As a result, a larger proportion of the total volume of the capsule body can be used as a receiving space for the at least one starting substance.
  • the filter element can cover the inlet opening of the outlet nozzle and have an area of 500-2000 mm 2 , preferably 750-1750 mm 2 , preferably 1000-1500 mm 2 . It has shown that such an area, in particular in capsules, which are provided for producing a single portion of a coffee beverage, is advantageous. This can be justified by the fact that such a dimensioning of the filter element represents a good balance between the space required within the capsule body and the flow resistance caused by it.
  • the filter element may be formed as a nonwoven, perforated film, mesh or filter plate. These are filter types that have proven themselves in beverage production, especially in the production of coffee drinks. In addition, these are inexpensive to produce and thus usable in disposable capsules.
  • the filter element may be supported by a support structure. By using such a support structure, bursting of the filter element due to the occurrence of a pressure gradient during filtration is effectively prevented.
  • the inlet opening of the outlet nozzle may be circular segment-shaped, in particular semicircular.
  • the cross-sectional area of the outlet nozzle is thereby reduced by at most 80%, preferably at most 50%, preferably at most 20%.
  • the inlet opening of the outlet nozzle can also be designed as a bottleneck, in particular as a gap, for foaming a liquid introduced into the outlet nozzle. This is particularly advantageous in the production of cafe cream or espresso to achieve the characteristic crema, but also for the production of milk foam.
  • the connecting part may have an inlet, in particular an inlet channel, for introducing a liquid into the capsule.
  • the opening direction of the inlet is then directed in particular in the direction of the lid.
  • the connection part also has an inlet in addition to the outlet connection, it is used both to supply liquid into the capsule and to drain the beverage out of the capsule.
  • the connection function of the capsule is completely taken over by the connection part.
  • the capsule body falls only to the inclusion of at least one starting substance. This allows a modular construction of the capsule.
  • different connection parts are provided for one and the same capsule body. These may, for example, allow use with different beverage preparation devices.
  • the inlet can be closed fluid-tight with the lid. This has the advantage that for the passage of a liquid through the capsule, if necessary, only the lid must be broken. An often difficult penetration of the capsule body, which may also require the attachment of predetermined breaking points, is eliminated.
  • the capsule body can be manufactured by a deep-drawing and the connection part by an injection molding process.
  • a deep drawing process it is possible to achieve an oxygen and / or aroma-tight design of the capsule body.
  • At least one element from a list consisting of the trough part, the connection part and the lid is oxygen and / or aroma-impermeable can be.
  • both the capsule body and the lid are formed oxygen-tight, penetration of oxygen into the capsule during storage of a starting substance contained therein can be substantially avoided.
  • aging of the starting substance for example of coffee powder, by oxidation can be avoided.
  • An oxygen-tight capsule is usually also aroma-tight. Accordingly, leakage of flavors contained in the starting substance during storage thereof within the capsule is substantially prevented.
  • Oxygen or aroma resistance is required in order to achieve a minimum shelf life of 12 months, preferably 18 months, especially with coffee.
  • an oxygen- and / or aroma-tight capsule is understood as meaning a capsule in which coffee powder can be stored at room temperature in atmospheric air for a period of at least 12 months, preferably of at least 18 months, without any change in the coffee powder which would significantly affect the quality of a coffee beverage made therefrom.
  • the film used has an OTR (oxygen transmission rate) of less than 5, preferably less than 2. The OTR indicates the amount of oxygen per surface and Time unit diffused through a film, in the unit cm 3 / m 2 / T ag / 0.21 bar.
  • connection part by an injection molding process also has the advantage that it can be manufactured at low manufacturing costs in a virtually arbitrary geometry and high rigidity.
  • the trough part and / or the connecting part can be made of a single-layered or multi-layered plastic, preferably containing polypropylene. This is a material that has proven itself for the production of beverage packaging.
  • polypropylene can be well processed by injection molding.
  • the filling of the capsule with the starting substance is considerably facilitated by such a method.
  • the fact that the trough part is filled before it is connected to the connecting part it can be avoided that the side facing away from the trough part of the connecting part comes into contact with the starting material.
  • the present invention further relates to a beverage preparation system comprising a capsule as described above and a beverage preparation device provided therefor.
  • FIGS. 1 to 7 show various views of a first type of capsule according to the present invention, or of individual parts thereof. Accordingly, the said figures will be discussed together below.
  • a first capsule 1 is shown.
  • the FIG. 5 shows a second capsule 1 'corresponding to the first capsule 1 with a squished capsule body 2.
  • the capsules 1 and 1' are otherwise identical. They are composed of a rotationally symmetrical capsule body 2 which comprises a trough part 4 and a connection part 5.
  • the edge of the trough part 4 is configured in the form of a flange 9.
  • the trough part 4 is fluid-tightly connected via the flange 9 to a connection part 5.
  • connection part 5 has openings 14, through which a liquid introduced into the capsule 1 or 1 'can flow from an inlet channel 13 into the tub part 4.
  • a filter element 12 is attached at the capsule body 2 facing side of the connection part 5.
  • the filter element 12 serves to retain solids contained in the capsule body 2 during a beverage preparation.
  • the connection part 5 has a support structure in the form of radially extending support elements 15, 15 '.
  • a lid 3 is attached. The connection part 5 is thus arranged between the cover 3 and the tub part 4.
  • an outlet connection 6 is provided with an inlet opening 7 and an outlet opening 8.
  • the inlet opening 7 is thereby produced as a gap for foaming a capsule 1 or 1 ' Beverage product designed.
  • the circumferential web 16 serves to close the outlet nozzle 6 indirectly.
  • a beverage preparation with a designated beverage preparation device of the lid 3 is penetrated both in the region of the outlet nozzle 6 and the inlet channel 13 to a supply or to allow a discharge of liquid into and out of the capsule 1 or 1 '.
  • FIGS. 8 to 14 show a capsule 1 '' of a second inventive capsule type, or individual parts thereof.
  • Components of the capsule 1 '' which correspond to those of the previously discussed embodiment, carry identical reference numerals. Accordingly, only the differences between the embodiments are discussed below.
  • the trough part 4 has two inner shoulders 11, 11 'instead of a flange 10.
  • the connection part 5 is inserted accordingly into the tub part 4.
  • the trough part 4 and the connection part 5 are additionally connected to each other in a fluid-tight manner.
  • various methods such as welding, sealing, in particular hot sealing or ultrasonic sealing, or gluing are suitable.
  • Different connections on the capsule body and on the connection part are possible for the connection, for example the inner shoulders 11 or 11 '.
  • said connection is preferably made on the outer flange 18, which makes it possible to simultaneously connect the trough part 4 with the connection part 5 and the connection part 5 with the cover 3 in one operation.
  • the capsule 1 '' shown has the Advantage that its outer shell is formed only from the tub part 4 and the lid 3. Since the trough part 4 can be produced in a simple manner from a multilayer plastic film by deep drawing, and for the cover 3 also plastic films or metal foils, such as an aluminum foil, is suitable, the capsule 1 '' can be very easily carried out oxygen and / or aroma-tight ,
  • FIGS. 15 to 17 show a capsule 1 '''of a third inventive embodiment, or individual parts thereof. Components of the capsule 1 ''', which correspond to those of the previously discussed embodiments bear identical reference numerals.
  • the trough part 4 of the capsule 1 ''' is identical to that of the capsule 1 according to the FIGS. 1 to 4 . 6 and 7 ,
  • the capsules 1 and 1 '''thus differ only in the configuration of the connecting part 5.
  • the connection part 5 is equipped with a peripheral step 19. This gives the connection part 4 a certain flexibility, as a result of which its inner region 21 can move resiliently relative to its outer region 20.
  • the inner region 21 of the connecting part 5 can thus recede to a certain extent when exposed to parts of the device. Thereby, a higher tightness of fluid connections of the device with the capsule 1 '''can be achieved with constant manufacturing tolerances.
  • FIG. 18 shows a capsule 1 '''' of a fourth inventive embodiment.
  • the capsule body 2 additionally comprises, in addition to a trough part 4 and a connection part 5, a second trough part 4 '.
  • the second trough part 4 ' is welded to the first trough part 4 via a flange 10'.
  • the in different pan parts 4, 4 ' may be separated from each other, for example. Via a soluble film, a filter paper or a perforated film (not shown here).
  • FIG. 19 shows a fifth embodiment according to the invention a capsule 1 ''''', which essentially corresponds to the capsule 1 shown in Figure 5'.
  • the inlet opening 7 of the outlet nozzle 6 is designed semicircular.
  • a beverage can be produced which is not foamed.
  • a pressurized and usually heated liquid is obtained by penetration of the beverage Cover 3 introduced into the inlet channel 13.
  • the liquid flows through the openings 14 in the trough part 4, where in particular for an extraction, depending on the application but also to a dissolution or dilution, in the capsule 1, 1 ', 1'',1''' or 1 '''' contained starting substance.
  • the resulting extract, or the resulting solution passes through the filter element 12 to reach the inlet opening 7 of the outlet nozzle 6.
  • the inlet opening 7 is designed as a gap, which is particularly in the production of coffee drinks How cafe Creme or Espresso is beneficial to obtain the desired crema.
  • the finished beverage product leaves the outlet nozzle 6 through the outlet opening 8, for which purpose the lid 3 is penetrated into the region delimited by the circumferential web 16 by the beverage production device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
EP16192014.5A 2016-10-03 2016-10-03 Capsule de préparation d'une boisson Withdrawn EP3301041A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16192014.5A EP3301041A1 (fr) 2016-10-03 2016-10-03 Capsule de préparation d'une boisson
EP17765468.8A EP3519324A1 (fr) 2016-10-03 2017-09-19 Capsule pour préparer une boisson
PCT/EP2017/073567 WO2018065205A1 (fr) 2016-10-03 2017-09-19 Capsule pour préparer une boisson

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16192014.5A EP3301041A1 (fr) 2016-10-03 2016-10-03 Capsule de préparation d'une boisson

Publications (1)

Publication Number Publication Date
EP3301041A1 true EP3301041A1 (fr) 2018-04-04

Family

ID=57113088

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16192014.5A Withdrawn EP3301041A1 (fr) 2016-10-03 2016-10-03 Capsule de préparation d'une boisson
EP17765468.8A Pending EP3519324A1 (fr) 2016-10-03 2017-09-19 Capsule pour préparer une boisson

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17765468.8A Pending EP3519324A1 (fr) 2016-10-03 2017-09-19 Capsule pour préparer une boisson

Country Status (2)

Country Link
EP (2) EP3301041A1 (fr)
WO (1) WO2018065205A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019174711A1 (fr) * 2018-03-12 2019-09-19 Delica Ag Adaptateur destiné à être utilisé dans la préparation d'une boisson au moyen d'une capsule et d'un dispositif de préparation de boisson

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030172813A1 (en) * 2002-03-14 2003-09-18 Rene Schifferle Cartridge containing a single serving of a particulate substance for preparing a beverage
EP1440913A1 (fr) * 2003-01-24 2004-07-28 Kraft Foods R & D, Inc. Cartouche pour la préparation de boissons
WO2009006374A2 (fr) * 2007-07-02 2009-01-08 Appliance Development Corporation Capsule de matière infusable permettant d'obtenir une boisson infusée
WO2015124526A1 (fr) * 2014-02-21 2015-08-27 Delica Ag Capsule pourvue d'un corps, de préférence à symétrie de révolution
CH710711A2 (de) * 2015-02-11 2016-08-15 Delica Ag Kapsel mit einem vorzugsweise rotationssymmetrisch ausgebildeten Kapselkörper.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030172813A1 (en) * 2002-03-14 2003-09-18 Rene Schifferle Cartridge containing a single serving of a particulate substance for preparing a beverage
EP1440913A1 (fr) * 2003-01-24 2004-07-28 Kraft Foods R & D, Inc. Cartouche pour la préparation de boissons
WO2009006374A2 (fr) * 2007-07-02 2009-01-08 Appliance Development Corporation Capsule de matière infusable permettant d'obtenir une boisson infusée
WO2015124526A1 (fr) * 2014-02-21 2015-08-27 Delica Ag Capsule pourvue d'un corps, de préférence à symétrie de révolution
CH710711A2 (de) * 2015-02-11 2016-08-15 Delica Ag Kapsel mit einem vorzugsweise rotationssymmetrisch ausgebildeten Kapselkörper.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019174711A1 (fr) * 2018-03-12 2019-09-19 Delica Ag Adaptateur destiné à être utilisé dans la préparation d'une boisson au moyen d'une capsule et d'un dispositif de préparation de boisson

Also Published As

Publication number Publication date
WO2018065205A1 (fr) 2018-04-12
EP3519324A1 (fr) 2019-08-07

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