EP2900572A1 - Single serve capsule comprising a filter element connected thereto by sealing - Google Patents
Single serve capsule comprising a filter element connected thereto by sealingInfo
- Publication number
- EP2900572A1 EP2900572A1 EP13771121.4A EP13771121A EP2900572A1 EP 2900572 A1 EP2900572 A1 EP 2900572A1 EP 13771121 A EP13771121 A EP 13771121A EP 2900572 A1 EP2900572 A1 EP 2900572A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filter element
- portion capsule
- capsule
- diameter
- sealed
- 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.)
- Granted
Links
- 239000002775 capsule Substances 0.000 title claims abstract description 59
- 238000007789 sealing Methods 0.000 title claims description 18
- 235000013361 beverage Nutrition 0.000 claims abstract description 19
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000011324 bead Substances 0.000 description 8
- 235000013353 coffee beverage Nutrition 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 235000016213 coffee Nutrition 0.000 description 7
- 239000000835 fiber Substances 0.000 description 5
- 241001122767 Theaceae Species 0.000 description 4
- 235000015114 espresso Nutrition 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
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
- B65D85/8061—Filters
-
- 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
Definitions
- the present invention relates to a portion capsule for the manufacture of a drink having a side wall and a bottom, which together define a space, wherein a filter element is sealed to the bottom within the space.
- portion capsules are known from the prior art and are used for example for the production of coffee or tea or coffee-like beverages such as espresso.
- portion capsules for making coffee and espresso are disclosed.
- the portion capsules are preferably frusto-conical or cylindrical in shape and are produced, for example, from a thermoformed plastic film or by plastic injection molding. They usually have a side wall with a peripheral flange, an open filling side for a beverage substrate to be extracted and / or dissolved beverage substrate and a capsule bottom, wherein between the beverage substrate and the capsule bottom is supported against the capsule bottom filter element. After insertion and sealing of the filter element to the portion capsule bottom and the filling of the beverage substrate, the portion capsule is closed with a lid film, which is sealed or glued, for example, on the flange.
- the portion capsule is introduced into a brewing chamber of a preparation device. Before, after or during the introduction of the portion capsule into the brewing chamber, the portion capsule is preferably opened on its bottom side, and after the brewing chamber has been sealed, the filling side of the portion capsule closed with a closing foil is pierced by piercing means. Subsequently, preparation liquid, preferably hot water, is conveyed under pressure into the portion capsule. The preparation liquid flows through the beverage substrate and extracts and / or dissolves the substances required for the beverage production from the beverage substrate. For the preparation of an espresso, for example, a brewing water pressure of up to 20 bar acts on the coffee powder to extract the essential oils.
- the portion capsules according to the prior art have the disadvantage that the beverage produced has comparatively much foam on its surface.
- a portion capsule for the preparation of a beverage with a side wall and a bottom, which together define a space, wherein within the space a filter element is sealed to the bottom and the sealing seam is provided annularly and wherein the outer diameter of the sealed seam 75th - 85% of the
- Diameter of the filter element is.
- the filter element is disc-shaped and has a circular cross-section.
- the sealed seam which connects the filter element to the bottom of the portion capsule in a material-tight manner, is preferably attached by ultrasonic welding.
- the filter element is liquid impermeable after sealing in the region of the sealing seam.
- the inner diameter of the sealed seam is 67-77% of the diameter of the filter element.
- the width of the sealed seam is 1 - 1, 5 millimeters.
- the bottom of the portion capsule has a substantially planar portion which is circular in shape and whose outer diameter is 84-94% of the
- Diameter of the filter element is.
- the outer circumference of the flat portion is preferably followed by a bead, through which the flat portion is arranged slightly spaced from a possible display.
- the bead also forms the transition between the flat bottom and the side wall and gives the portion capsule stability.
- the filter element extends into the region of the bead and covers it at least partially without touching it.
- the bottom has a recess which is so large that substantially no pressure loss is produced by the outflow / throughflow of the beverage through this recess.
- This recess is preferably already in the Capsule bottom incorporated before the filter element is sealed to the capsule bottom.
- the recess is preferably closed before the preparation process with a film or the like, which can be removed or pierced by a piercing.
- the diameter of the filter element is smaller, in particular 1 - 5% smaller than the inner dimension of the portion capsule at ground level.
- the filter element has a felt structure.
- this is a needled felt structure.
- the filter element consists of at least one felt structure and a support structure, in particular a fabric structure, wherein particularly preferably the felt structure makes up at least a portion of the volume of the support structure.
- the felt structure extends over the entire cross section of the support structure, but more preferably over only a portion of the height.
- the felt structure is positively, positively and / or materially connected to the support structure.
- the filter element has two or more felt structures, which are preferably separated from each other by the support structure. The thickness of the two felt structures may be the same or different.
- a felt structure facing the powder or tea is thinner than the felt structure facing the capsule bottom, or vice versa.
- the surface of the felt structure is treated, for example, heat-treated, for example, to fix loose fibers.
- the filter element having a felt structure is merely inserted into the capsule, in particular on its bottom.
- the filter element can also be connected to the capsule, in particular its bottom, in particular materially bonded. When perforating the perforating agent can penetrate into this filter element.
- a plurality of filter elements, which have one or more felt structures and a carrier structure are arranged one above the other in the capsule and possibly joined together.
- a filter element having a support structure, in particular a fabric structure, and a felt structure is produced, for example, by providing a fabric structure consisting of longitudinal and transverse threads.
- a felt in particular a needle felt
- fiber units are preferably selected from 0.8 to 7 dtex.
- the connection of the individual fibers together to form a felt and / or its anchoring in the support structure preferably takes place through the production process of needling.
- needles are inserted with reverse barbs in the submitted fiber package at high speed and pulled out again. The barbs cause the fibers to overflow a variety of resulting loops entwined with each other and / or with the carrier fabric.
- the support element comprising one or more felt structures preferably comprises a mass occupancy (also referred to as grammage or basis weight) between 100 and 800 grams per square meter, more preferably between 200 and 650 grams per square meter, and most preferably substantially 150-250 grams per square meter for the production of tea and 600 - 700 grams per square meter for the production of coffee, espresso or the like.
- the filter element or the fleece preferably has a thickness of between 0.8 and 3.3 millimeters, more preferably between 1.1 and 3.0 millimeters and most preferably 1.2-2.4 millimeters for the production of tea and 2 , 6 - 3.0 millimeters for the production of coffee.
- the side wall and the bottom are an injection molded part.
- the side wall and the bottom are integrally provided.
- an energy generator is provided at the bottom of the portion capsule.
- This energy generator can be annular, rectangular, qudratisch, oval or have any other closed shape.
- the energy generator can be continuous or with
- the energy generator is provided integrally with the bottom and is produced in the injection molding together with this.
- the cross section of the energy generator is triangular, rectangular, square, circular or oval.
- the cross section may also have any other shape, as long as the energy generator protrudes from the surface.
- the energy generator is preferably provided on the surface of the floor which faces the space in which the beverage substrate to be extracted and / or dissolved is located.
- FIGS. 1 and 2 These explanations are merely exemplary and do not limit the general inventive concept. The explanations apply equally to all articles of the present invention.
- FIG. 1 shows a first embodiment of the invention Portion capsule.
- FIG. 2 shows a further embodiment of the invention
- FIG. 1 shows the portion capsule 1 according to the invention, which in the present case has a substantially frusto-conical shape.
- the portion capsule 1 has a circumferential side wall 1.2 and a bottom portion 1.1.
- the side wall 1 .2 and the bottom portion 1 .1 span a space 1 .7, in which there is a filter element 2, which has a felt structure in the present case.
- the filter element 2 is by means of the tool 3, which has at its lower end sealing surfaces 3.1, to the bottom 1 .1 of the
- Portion capsule 1 sealed to form a sealed seam 7.
- Portion capsule 1 at least partially held in a counter-holder 6.
- the bottom 1 .1 of the portion capsule has a circular planar portion, at its outer end an annular bead surrounds 1.3, which simultaneously represents the transition region 5 between the bottom and the side wall.
- the bead 1.3 By the bead 1.3, the flat portion of the bottom of a possible support on which the bead rests, spaced.
- the filter element 2 is sealed to the bottom of the portion capsule, in particular ultrasonically sealed, and the tool 3 has been removed from the portion capsule, it is filled with a beverage substrate, for example ground coffee, and then preferably with a foil
- the flange preferably has a bulge 1 .5, which serves as a defined sealing surface.
- the weld is provided annularly and that the outer diameter of the sealing seam L2 75 - 85%, here 70.6% of the
- Diameter L3 of the filter element is.
- the inner diameter L1 of the sealed seam is preferably 67-77%, in this case 72.5%, of the diameter of the filter element.
- the width of the sealed seam is 1, 5 millimeters.
- the Filter element 2 connected to the capsule bottom 1.1.
- the Felt structure at least partially compressed and preferably fixed compressed. Transverse flows in the felt structure are preferably at least limited in the region of the weld seam.
- the outer diameter of the filter element is further preferably provided larger than the outer diameter of the flat portion of the filter bottom.
- the filter element 2 consequently protrudes into the region of the bead without touching the bottom of the bead.
- the outer diameter L3 of the filter element is smaller than the diameter of the portion capsule in the region of the bottom.
- the sealing seam is provided concentrically to the recess 1.6 in the capsule bottom.
- the base 1 .1 and the side wall 1 .2 are preferably made as an injection-molded part, preferably made of plastic. Furthermore, the bottom has an energy tanner 8, which in the present case as an annular
- the energy generator can also have a different cross-section and also need not be provided continuously.
- a linear sealing seam between the filter element and the bottom of the capsule succeeds.
- the energy generator is provided on the space 1.7 facing surface of the bottom 1 .1. In the lower illustration, the side wall 1 .2 has been omitted for clarity.
- L1 inner diameter of the sealed seam for example 22.5 mm
- L2 outer diameter of the sealed seam for example 25, 0 mm
- L3 diameter of the filter element for example 31, 0 mm
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Making Beverages (AREA)
- Packages (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Non-Alcoholic Beverages (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201330503A SI2900572T1 (en) | 2012-09-27 | 2013-09-27 | Single serve capsule comprising a filter element connected thereto by sealing |
RS20170082A RS55635B1 (en) | 2012-09-27 | 2013-09-27 | Single serve capsule comprising a filter element connected thereto by sealing |
PL13771121T PL2900572T3 (en) | 2012-09-27 | 2013-09-27 | Single serve capsule comprising a filter element connected thereto by sealing |
HRP20170156TT HRP20170156T1 (en) | 2012-09-27 | 2017-01-31 | Single serve capsule comprising a filter element connected thereto by sealing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012109186.2A DE102012109186A1 (en) | 2012-09-27 | 2012-09-27 | Portion capsule with a filter element connected by sealing |
PCT/EP2013/070251 WO2014049143A1 (en) | 2012-09-27 | 2013-09-27 | Single serve capsule comprising a filter element connected thereto by sealing |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2900572A1 true EP2900572A1 (en) | 2015-08-05 |
EP2900572B1 EP2900572B1 (en) | 2016-11-09 |
Family
ID=49293631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13771121.4A Active EP2900572B1 (en) | 2012-09-27 | 2013-09-27 | Single serve capsule comprising a filter element connected thereto by sealing |
Country Status (30)
Country | Link |
---|---|
US (1) | US9969546B2 (en) |
EP (1) | EP2900572B1 (en) |
JP (2) | JP2015534481A (en) |
KR (1) | KR101986488B1 (en) |
CN (1) | CN104640786B (en) |
AU (1) | AU2013322527B2 (en) |
BR (1) | BR112015006600A2 (en) |
CA (1) | CA2886299C (en) |
DE (1) | DE102012109186A1 (en) |
DK (1) | DK2900572T3 (en) |
DO (1) | DOP2015000075A (en) |
ES (1) | ES2612947T3 (en) |
HK (1) | HK1209398A1 (en) |
HR (1) | HRP20170156T1 (en) |
HU (1) | HUE030616T2 (en) |
IL (1) | IL237954B (en) |
MX (1) | MX352981B (en) |
NZ (1) | NZ706316A (en) |
PH (1) | PH12015500690A1 (en) |
PL (1) | PL2900572T3 (en) |
PT (1) | PT2900572T (en) |
RS (1) | RS55635B1 (en) |
RU (1) | RU2647445C2 (en) |
SA (1) | SA515360192B1 (en) |
SG (1) | SG11201502013VA (en) |
SI (1) | SI2900572T1 (en) |
TN (1) | TN2015000111A1 (en) |
UA (1) | UA113667C2 (en) |
WO (1) | WO2014049143A1 (en) |
ZA (1) | ZA201502277B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PT3521207T (en) | 2010-07-22 | 2020-04-24 | K Fee System Gmbh | Portion capsule with barcode |
DE102012105282A1 (en) | 2012-06-18 | 2013-12-19 | K-Fee System Gmbh | Portion capsule and method of making a beverage with a portion capsule |
DE102012223291A1 (en) | 2012-12-14 | 2014-06-18 | K-Fee System Gmbh | Portion capsule and method of making a beverage with a portion capsule |
US9221204B2 (en) * | 2013-03-14 | 2015-12-29 | Kortec, Inc. | Techniques to mold parts with injection-formed aperture in gate area |
US20170036857A1 (en) * | 2014-04-17 | 2017-02-09 | K-Fee System Gmbh | Single serve capsule and method for preparing a beverage using a single serve capsule |
PL3261957T5 (en) | 2015-02-27 | 2023-03-13 | K-Fee System Gmbh | Capsule with a sealed filter element |
EP3307647B1 (en) | 2015-06-10 | 2019-08-07 | K-fee System GmbH | Capsule with a three layer fleece |
US10737876B2 (en) | 2015-07-13 | 2020-08-11 | K-Fee System Gmbh | Filter element having a cut-out |
AU2016323571A1 (en) | 2015-09-18 | 2018-04-12 | K-Fee System Gmbh | Adapter for a single serve capsule |
GB201521882D0 (en) * | 2015-12-11 | 2016-01-27 | Mars Inc | Beverage preperation system and capsules |
EP3625151A1 (en) | 2017-05-19 | 2020-03-25 | K-fee System GmbH | Portion capsule for preparing a drink in a drinks production machine, and method for producing a portion capsule |
WO2020104667A1 (en) | 2018-11-22 | 2020-05-28 | K-Fee System Gmbh | Seal for a single serve capsule |
EP3656700A1 (en) | 2018-11-22 | 2020-05-27 | K-fee System GmbH | Portion capsule for preparing a beverage in a beverage preparation machine |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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CA947523A (en) * | 1972-01-31 | 1974-05-21 | Pierre E. Van Damme | Filtre a cafe |
JPS61124232A (en) | 1984-11-19 | 1986-06-12 | 三菱電機株式会社 | Generation frequency regulating training device |
JPS61124232U (en) * | 1985-01-21 | 1986-08-05 | ||
NL8503092A (en) | 1985-11-11 | 1987-06-01 | Douwe Egberts Tabaksfab | DISPOSABLE FILTER CARTRIDGE, WHETHER OR NOT COMBINED WITH A WATER CONTAINER. |
EP0224297B1 (en) * | 1985-11-11 | 1989-08-09 | Douwe Egberts Koninklijke Tabaksfabriek- Koffiebranderijen-Theehandel N.V. | A disposable filter cartridge |
CA2184599A1 (en) * | 1994-03-03 | 1995-09-08 | Ruedi Gasser | Pot-shaped durable filter insert |
DE10211327B4 (en) * | 2002-03-14 | 2015-09-24 | Caffitaly System S.P.A. | Portion capsule with a particulate extractable by water substance for the preparation of a beverage |
DE102005058336A1 (en) | 2005-12-02 | 2007-06-06 | Tchibo Gmbh | portion capsule |
EP1997748A1 (en) * | 2007-06-01 | 2008-12-03 | Marco Reati | Precharged ground coffee capsule, method for its production and apparatus for implementing said method |
US8322271B2 (en) | 2007-07-02 | 2012-12-04 | Brewl Technologies, Inc. | Infusible material capsule for brewing a beverage |
KR20100108606A (en) * | 2008-01-24 | 2010-10-07 | 네스텍 소시에테아노님 | Capsule with integrated antimicrobial filter |
DE102009041633A1 (en) * | 2009-09-17 | 2011-06-01 | Krüger Gmbh & Co. Kg | Portion capsule and use of a portion capsule |
DE102009050537A1 (en) * | 2009-10-23 | 2011-04-28 | Krüger Gmbh & Co. Kg | Portion capsule and method for producing a portion capsule |
EP2412645A1 (en) * | 2010-07-28 | 2012-02-01 | Samar Technologies Ltd. | Pre-filled infusion capsule, associated manufacturing method and device |
US8895090B2 (en) * | 2010-09-22 | 2014-11-25 | K-Fee System Gmbh | Portion capsule and method for producing the same |
DE102011012881A1 (en) * | 2010-09-22 | 2012-03-22 | Krüger Gmbh & Co. Kg | Portion capsule and method of making a beverage with a portion capsule |
-
2012
- 2012-09-27 DE DE102012109186.2A patent/DE102012109186A1/en not_active Withdrawn
-
2013
- 2013-09-27 EP EP13771121.4A patent/EP2900572B1/en active Active
- 2013-09-27 AU AU2013322527A patent/AU2013322527B2/en active Active
- 2013-09-27 MX MX2015003472A patent/MX352981B/en active IP Right Grant
- 2013-09-27 ES ES13771121.4T patent/ES2612947T3/en active Active
- 2013-09-27 US US14/431,959 patent/US9969546B2/en active Active
- 2013-09-27 HU HUE13771121A patent/HUE030616T2/en unknown
- 2013-09-27 JP JP2015533613A patent/JP2015534481A/en active Pending
- 2013-09-27 PL PL13771121T patent/PL2900572T3/en unknown
- 2013-09-27 KR KR1020157010863A patent/KR101986488B1/en active IP Right Grant
- 2013-09-27 PT PT137711214T patent/PT2900572T/en unknown
- 2013-09-27 WO PCT/EP2013/070251 patent/WO2014049143A1/en active Application Filing
- 2013-09-27 SI SI201330503A patent/SI2900572T1/en unknown
- 2013-09-27 RS RS20170082A patent/RS55635B1/en unknown
- 2013-09-27 DK DK13771121.4T patent/DK2900572T3/en active
- 2013-09-27 NZ NZ706316A patent/NZ706316A/en unknown
- 2013-09-27 CA CA2886299A patent/CA2886299C/en active Active
- 2013-09-27 RU RU2015115577A patent/RU2647445C2/en active
- 2013-09-27 CN CN201380048771.1A patent/CN104640786B/en active Active
- 2013-09-27 UA UAA201503836A patent/UA113667C2/en unknown
- 2013-09-27 SG SG11201502013VA patent/SG11201502013VA/en unknown
- 2013-09-27 BR BR112015006600A patent/BR112015006600A2/en active Search and Examination
-
2015
- 2015-03-24 TN TNP2015000111A patent/TN2015000111A1/en unknown
- 2015-03-26 PH PH12015500690A patent/PH12015500690A1/en unknown
- 2015-03-26 DO DO2015000075A patent/DOP2015000075A/en unknown
- 2015-03-26 SA SA515360192A patent/SA515360192B1/en unknown
- 2015-03-26 IL IL237954A patent/IL237954B/en active IP Right Grant
- 2015-04-07 ZA ZA2015/02277A patent/ZA201502277B/en unknown
- 2015-10-15 HK HK15110121.4A patent/HK1209398A1/en unknown
-
2017
- 2017-01-31 HR HRP20170156TT patent/HRP20170156T1/en unknown
- 2017-10-04 JP JP2017194000A patent/JP6511498B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014049143A1 * |
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