EP2868598B2 - Capsule for the preparation of beverages - Google Patents

Capsule for the preparation of beverages Download PDF

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Publication number
EP2868598B2
EP2868598B2 EP12808853.1A EP12808853A EP2868598B2 EP 2868598 B2 EP2868598 B2 EP 2868598B2 EP 12808853 A EP12808853 A EP 12808853A EP 2868598 B2 EP2868598 B2 EP 2868598B2
Authority
EP
European Patent Office
Prior art keywords
capsule
closing member
openings
main body
anyone
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.)
Active
Application number
EP12808853.1A
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German (de)
English (en)
French (fr)
Other versions
EP2868598A1 (en
EP2868598B1 (en
Inventor
Javier Reinoso Velasco
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.)
PRODUCTOS SOLUBLES SA
Original Assignee
Cup Out Of Box SL
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
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Application filed by Cup Out Of Box SL filed Critical Cup Out Of Box SL
Publication of EP2868598A1 publication Critical patent/EP2868598A1/en
Application granted granted Critical
Publication of EP2868598B1 publication Critical patent/EP2868598B1/en
Publication of EP2868598B2 publication Critical patent/EP2868598B2/en
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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

Definitions

  • the invention relates to a capsule for preparing infusions according to claim 1.
  • Single-dose capsules for preparing infusions from a product such as coffee or tea, contained inside the substantially frustoconical capsule whose larger base has a ring-like peripheral flange extending radially outwards are known.
  • the capsule is inserted in a machine having a cavity specially adapted to its shape.
  • the machine On the side corresponding to the larger base of the capsule, the machine has a wall provided with a plurality of piercing members, while at the other side the machine has a water injection cylinder the cavity of which mates with the external frustoconical shape of the capsule.
  • the injection cylinder is moveable between an open position in which it is remote from the capsule and an injection position. Starting out from the open position and with the capsule inserted in the machine, when the cylinder assumes the injection position, it pierces the smaller base of the capsules with punches that open liquid passages.
  • the injection cylinder compresses the capsule against the wall against which its larger base is bearing thanks to the front edge bearing against the ring-like peripheral flange. This causes the simultaneous piercing of the larger base thanks to the action of the piercing members and the capsule to be immobilized inside the machine to start preparing the infusion.
  • the critical point of this system is the support point of the cylinder on the capsule.
  • water leaks can appear at this point, since a correct watertightness is not obtained between the injection cylinder and the capsule owing to the high working pressures. This results in an unsatisfactory operation of the machine, because the water leaks accumulate inside it and in the second place the pressure at which the infusion is brewed is directly affected by this lack of tightness. Owing to it not being possible to operate at such a high pressure, the taste or intensity characteristics of the infusion prepared are directly affected.
  • a capsule for working at a pressure of 9 bars comprising a cup with a circumferential wall, a bottom closing the circumferential wall at a first end and a flange extending outwardly of the circumferential wall at a second end opposite the bottom of the cup.
  • the capsule also comprises a lid connected to the flange.
  • the bottom, the wall and the lid define a closed chamber containing the product to be extracted.
  • the cup is also provided with a number of concentric circumferential ridges extending outwardly from the cup and which are made from the same material as the cup.
  • this capsule particularly when the ridges are provided on the flange is sensitive to misalignment between the injection cylinder and the capsule.
  • the water may leak at this point relatively easily, which presents the previously mentioned disadvantages.
  • Document US 2011/185910 A1 discloses a capsule for containing beverage ingredients, the capsule being designed for insertion in a beverage production device.
  • the capsule comprises a cup-like body portion, a flange-like rim portion, a delivery wall and a sealing member having-in a radial cross sectional view-at least one concentric protrusion and/or recession.
  • deformation under pressure during the preparation of the infusion refers to the pressure exerted by the injection cylinder of the machine on the capsule to guarantee a tight seal.
  • the point-like blind openings of the capsule according to the invention act at different levels. In the first place, they weaken the closing member enhancing the deformation thereof to achieve an improved watertightness. Another great advantage of the openings being point-like consists, unlike the concentric grooves of the state of the art, of the point-like openings not allowing a fluid communication to be established between the closed space between the inside of the injection cylinder with the capsule itself and the outside facilitating water leaks, since each opening is isolated from the adjacent openings. Finally, since the openings are blind, where the closing member is independent of the main body, guarantee the watertightness on the pressure faces of the closing member. Thus, correct watertightness is achieved during the preparation of the infusion independently of the relative position between the capsule and the injection cylinder. As has already been explained above, this allows an infusion of constant characteristics with regard to taste or intensity of the infusion to be obtained.
  • the invention further includes a number of preferred features that are object of the dependent claims and the utility of which will be highlighted hereinafter in the detailed description of an embodiment of the invention.
  • At least the closing member is made from a plastics material having a Vicat softening temperature comprised between 70° and 140°C.
  • the closing member is provided on the surface of said flange facing the smaller base of said main body. This configuration allows a high pressure of the injection cylinder on the capsule to be guaranteed. When the injection cylinder presses on the flange of the capsule, the latter bears with the opposite surface of the flange against the wall containing the plurality of piercing members, such that it is easier to deform the closing member.
  • a further object of the invention is to produce a low cost capsule.
  • the closing member is made from the same material as said capsule.
  • the closing member is integral with said capsule. This avoids the existence of separate parts which have to be assembled.
  • the capsule main body can be manufactured with a single mould or die.
  • the openings have the same cross section and in another embodiment the openings have the same depth.
  • the cross sectional dimension of the openings increases as the radial separation from the main body increases.
  • the openings have a circular cross section
  • those located near the centre of the frustoconical main body have a smaller diameter than those located at a greater radial distance, namely, further removed from the main body.
  • the depth of the openings could also be different depending on the distance from the centre at which they are located.
  • the depth of the openings is greater than 0.10 mm, from which there is obtained a sufficiently large deformation to guarantee a good seal between the injection cylinder and the capsule.
  • the openings are preferably staggered. Again this guarantees also a more uniform compressibility.
  • the closing member is a cylinder having a smooth outer wall.
  • the capsule comprises a gap between the closing member and the sidewall of said main body, such that the closing member may be deformed more freely.
  • the invention also contemplates the problem of preventing the capsule from accumulating infusion liquid around the perimeter thereof which would then remain inside the machine.
  • the inner diameter of said closing member coincides with the sidewall of said main body, whereby the formation of places of liquid accumulation is avoided.
  • said closing member is appropriate for being compressed by an injection cylinder of a machine for preparing infusions forming a deformation and in the radial direction each one of said openings of said closing member is smaller than the width of said deformation on the closing member in the radial direction, such that where the deformation of the closing member is not sufficiently great, there is a complete guarantee that liquid leak paths cannot be formed.
  • the openings have a cross section of one or more of the members of the group formed by circles, ellipses, straight or curved sided polygons and particularly preferably the openings have the shape of a cylinder, a pyramid, a parallelepiped or combinations thereof.
  • the capsule 1 according to the invention is for preparation an individual measure of an infusion from a product, such as for example, coffee, tea or the like, contained in the interior thereof by the passage of a pressurized liquid, such as for example water, through the product.
  • a product such as for example, coffee, tea or the like
  • a pressurized liquid such as for example water
  • the capsule 1 is formed by a hollow frustoconical main body 4 of which the smaller base 10 is closed and the larger base 8 is open.
  • the larger base 8 is sealed with a lid 18 hermetically sealing an inner chamber 2 of the capsule 1 containing the product from which the infusion is prepared.
  • the main body 4 and lid 18 delimit an inner chamber 2 which may not be hermetic.
  • the lid 18 is put in place by the user himself when preparing the infusion after having filled the inner chamber 2.
  • the capsule 1 may not be refillable, but not hermetic either.
  • a peripheral flange 6 extends radially outwardly from the larger base 8 of the main body 4.
  • the capsule 1 comprises an annular hermetic closing member 12 somewhere in the region of the capsule 1 comprised between the surface of said flange 6 facing the smaller base 10 of the main body 4 and the smaller base 10 of the main body 4. This region corresponds to the visible region of the capsule 1 clearly to be seen in the top perspective view of Figure 1 .
  • the closing member 12 is provided on the flange 6.
  • the injection cylinder 102 of the machine 100 bears against this closing member 12. Then, to guarantee a correct seal, it is contemplated that the closing member 12 be provided with a plurality of point-like blind openings 14 penetrating in the closing member 12, but not passing through it. Thanks to these openings 14, during the preparation the infusion, with the machine 100, the injection cylinder 102 exerts such a pressure on the closing member 12 as to deform it and form the deformation 16 which is to be seen particularly clearly in Figures 2A and 2B .
  • the closing member 12 is a cylindrical ring that is provided on the surface of the flange 6 facing the smaller base 10 of the main body 4.
  • This ring is made from the same material as the capsule 1 and is integral therewith. This facilitates manufacture, for example, by moulding from plastics materials or food grade rubber, very notably reducing the manufacturing costs.
  • Plastics materials suitable for this application are, for example, bioplastics, polyethylenes, polystyrenes, polypropylenes, polyamides or others.
  • a low density polyethylene, more commonly known as LDPE has been used, having a Vicat softening temperature of 80°C in accordance with the ISO 306 Test.
  • the openings 14 are formed in such a way that the mould for manufacturing the main body 4 of the capsule 1 is particularly simple, since it does not require complex mould stripping devices.
  • the width of the ring namely the difference between its outer radius and its inner radius is at least 1.5 mm. Nevertheless, this dimension may extend over the whole flange 6. It has also been established that the most satisfactory results in terms of deformation are obtained for openings 14 having a depth of over 0.1 mm up to a maximum of 0.9 mm. As may be seen in the Figures, the depth in this case is constant. Nevertheless, alternatively, the depth could increase with the radius. Finally, preferably, it is desirable for the minimum spacing between openings 14 to range from 0.10 to 0.9 mm.
  • openings 14 have the same circular cross section, with the same depth and are preferable staggered (see Figure 2 ) to leave the minimum spacing between openings 14.
  • the openings 14 may have the same geometrical shape, but nevertheless their size increases radially, i.e., the greater the distance from the main body 4, the larger will be the size of the corresponding opening 14.
  • this feature it is also possible to achieve a constant wall thickness between the openings 14 independently of the radial distance, which guarantees a homogeneous deformation at any point along the radius of the closing member 12. Again, this feature may be combined with a staggered arrangement.
  • the openings 14 are to weaken the closing member 12 facilitating the deformation thereof under the pressure of the injection cylinder 102.
  • the cross section of these openings 14 may be one or several of the members of the group formed by circles, ellipses, straight or curved sided polygons.
  • the cross section of the openings 14 may be a circle, a square, a triangle or an octagon (see Figures 9A to 9D respectively).
  • the cross section may comprise other polygons not shown in the Figures, such as a pentagon, a hexagon or the like.
  • Figures 10, 10A show another possible embodiment of the openings 14 by intersection of cylinders placed very close to one another.
  • openings 14 may likewise have the three dimensional form of a cylinder, a pyramid, a parallelepiped or even combinations of these.
  • the combinations can be, for example, a cylinder with a conical or cylindrical countersink, or a cone or frustum of a cone with a cylindrical countersink.
  • Figures 9G and 9I are to be seen in Figures 9G and 9I .
  • the countersink combinations allow a deformation out of proportion to the compression exerted by the injection cylinder 102 to be obtained.
  • the deformation of the closing member 12 may be elastic or plastic.
  • the deformation of the closing member 12 will preferably be plastic.
  • the deformation 16 will be permanent once the injection cylinder 102 moves from the injection position of Figure 4B to the open position.
  • Another relevant feature of this embodiment consists in the existence of a space 22 between the closing member 12 and the sidewall 20, which facilitates the deformation of the bearing surface of the injection cylinder 102.
  • the space allows the formed ring to be laterally deformed both inwardly and outwardly.
  • the closing member 12 is a cylinder having a smooth outer wall, which prevents with even greater guarantee liquid leaks in case of an excessive misalignment between the capsule 1 and the injection cylinder 102.
  • the machine 100 has a liquid injection pump 104 for supplying liquid to the injection cylinder 102.
  • the capsule 1 is inserted in the interior of the injection cylinder 102.
  • Figure 4A or 5 show the instant prior to moving to the injection position.
  • the injection cylinder 102 has approached the flange 6 of the capsule 1 and has started to pierce the smaller base 10 of the capsule 1 with the punches 110.
  • the machine 100 has a bearing wall 106 provided with a plurality of piercing members 114 for piercing the lid 18 of the capsule 1 in the injection position of the injection cylinder 102.
  • this bearing wall 106 has a plurality of exit passages 108 for the prepared infusion.
  • the pump 104 starts injecting the water. Owing to the tight seal, the water can flow only through the perforations in the smaller base 10 and exit through the lid 18 of the capsule 1, crossing through the inner chamber 2.
  • FIG. 3 a top plan view of the closing member 12 is to be seen and through the dashed circle there is shown the region on which the injection cylinder 102 has been applied.
  • the latter on compressing the capsule 1 during the preparation of the infusion, leaves the deformation 16. In the figure, this is seen to be eccentric relative to the closing member 12. Nevertheless, the seal is guaranteed owing to the fact that the width of the deformation 16 is always greater than the size of each of the openings 14 in the radial direction. Also, since the openings are blind and point-like, no fluid passage can be formed either in the radial direction or tangentially, so that the watertightness of the assembly is guaranteed.
  • Figure 6 shows a second embodiment of the capsule 1 of the invention.
  • the first outstanding item consists in that the inner diameter of the closing member 12 coincides with the sidewall 20 of the main body 4, which avoids an undesired accumulation of liquid inside the capsule 1.
  • the capsule 1 is not watertight and has a plurality of inlets 24 and outlets 26 allowing for the flow of liquid for the infusion. Owing to this, in this case, it is not absolutely necessary for the machine 100 to pierce the smaller base 10 and the lid 18.
  • the embodiment shown in this Figure is made from a combination of high density polyethylene (HDPE) and low density polyethylene (LDPE). Particularly, the material consists of 15% of HDPE having a Vicat softening temperature of 128°C and 85% LDPE having a Vicat softening temperature of 80°C.
  • HDPE high density polyethylene
  • LDPE low density polyethylene
  • the closing member 12 may be disposed at any point of the region of the capsule 1 comprised between the surface of the flange 6 facing the smaller base 10 of the main body 4 and the smaller base 10 of the main body 4.
  • the closing member 12 is integral with the smaller base 10 of the main body 4, namely is projects outwardly in ring-like fashion from said smaller base 10.
  • FIG 8 shows capsule 1.
  • the closing member 12 is a ring independent from the capsule 1.
  • the inner diameter thereof coincides with the outer diameter of the frustoconical portion of the capsule 1.
  • the closing member 12 is made from a highly deformable material, such as a polyurethane foam.
  • the openings 14, like in previous embodiments, are point-like and blind for avoiding the leakage of liquid from which the infusion is prepared.
  • the thickness of the bearing surface 112 of the injection cylinder 102 is greater than the size of the openings 14. In this way, it is achieved that any possible misalignment between the injection cylinder 102 and the capsule will not cause a fluid passage leading to a loss of water during the preparation of the infusion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Medicinal Preparation (AREA)
EP12808853.1A 2012-06-26 2012-10-25 Capsule for the preparation of beverages Active EP2868598B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201230701U ES1077395Y (es) 2012-06-26 2012-06-26 Cápsula para preparar infusiones
PCT/ES2012/070748 WO2014001584A1 (es) 2012-06-26 2012-10-25 Capsula para preparar infusiones

Publications (3)

Publication Number Publication Date
EP2868598A1 EP2868598A1 (en) 2015-05-06
EP2868598B1 EP2868598B1 (en) 2016-05-25
EP2868598B2 true EP2868598B2 (en) 2020-10-14

Family

ID=46379334

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12808853.1A Active EP2868598B2 (en) 2012-06-26 2012-10-25 Capsule for the preparation of beverages

Country Status (8)

Country Link
EP (1) EP2868598B2 (uk)
ES (2) ES1077395Y (uk)
MA (1) MA37774B1 (uk)
RU (1) RU2599001C2 (uk)
SG (1) SG11201408167SA (uk)
TN (1) TN2014000503A1 (uk)
UA (1) UA111433C2 (uk)
WO (1) WO2014001584A1 (uk)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11844453B2 (en) 2017-07-14 2023-12-19 Koninklijke Douwe Egberts N.V. Capsule for the preparation of a beverage
US11851268B2 (en) 2015-05-15 2023-12-26 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device

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WO2014012783A2 (en) * 2012-07-16 2014-01-23 Tuttoespresso S.R.L. Capsule and brewing system with adaptable sealing element
ITTO20130067A1 (it) * 2013-01-29 2014-07-30 Bisio Progetti Spa Capsula per la preparazione di bevande ad infusione.
GB201308927D0 (en) 2013-05-17 2013-07-03 Kraft Foods R & D Inc A beverage preparation system, a capsule and a method for forming a beverage
PT3656259T (pt) 2013-05-17 2023-01-03 Douwe Egberts Bv Cápsula e método para a formação de uma bebida
EP3016888B1 (en) 2013-07-01 2017-02-22 Nestec S.A. Capsule for preparing a beverage such as coffee and the like
GB2545569B (en) * 2013-10-16 2018-08-29 Leslie Gort Barten Coffee capsule
WO2015082982A1 (en) 2013-12-03 2015-06-11 Biserkon Holdings Ltd. Capsule and device for preparing beverages and method for producing the capsule
PL3089639T3 (pl) 2014-01-03 2018-10-31 Koninklijke Douwe Egberts B.V. Wymienne opakowanie dostarczające dla maszyny do dozowania napojów, dozownik, zespół pompy oraz sposób wytwarzania
GB201420262D0 (en) 2014-11-14 2014-12-31 Kraft Foods R & D Inc A method of forming a cup-shaped body for a beverage capsule
AU2016254691A1 (en) * 2015-04-27 2017-11-02 Novo Capsule Ag Capsule for use with a beverage production machine
WO2016186492A1 (en) 2015-05-15 2016-11-24 Koninklijke Douwe Egberts B.V. A capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
BR112017024458B1 (pt) 2015-05-15 2022-02-15 Koninklijke Douwe Egberts B.V. Cápsula, sistema para preparação de uma bebida potável, e, uso de uma cápsula
DK3134331T3 (en) 2015-05-15 2018-10-22 Douwe Egberts Bv COVER, SYSTEM FOR PREPARING A DRINKABLE BEVERAGE FROM SUCH A COVER AND USING SUCH A COVER IN A BEVERAGE COOKING DEVICE
CN107848700B (zh) 2015-05-15 2020-03-31 皇家戴维艾格伯茨有限公司 胶囊、由这种胶囊制备饮用饮料的系统以及这种胶囊在饮料制备装置中的用途
ES2743219T3 (es) 2015-05-15 2020-02-18 Douwe Egberts Bv Una cápsula, un sistema para preparar una bebida potable a partir de dicha cápsula y uso de dicha cápsula en un dispositivo de preparación de bebidas
CH711126A1 (de) * 2015-05-27 2016-11-30 Swiss Coffee Company Ag Kapsel zur Verwendung in einer Extraktionsmaschine und Extraktionsverfahren unter Verwendung einer solchen Kapsel.
EP3313755B1 (en) * 2015-06-26 2019-08-07 Bisio Progetti S.p.a. Single-dose capsule for the preparation of beverages
ES2788645T3 (es) 2015-10-27 2020-10-22 Douwe Egberts Bv Cápsula, sistema y método para preparar una bebida
ES2580155B1 (es) * 2016-01-05 2017-08-01 Cup Out Of The Box, S.L. Conjunto, cápsula y procedimiento para preparar infusiones
NL2016779B1 (en) 2016-05-13 2017-11-16 Douwe Egberts Bv A capsule and a system for preparing a potable beverage from such a capsule
NL2016780B1 (en) * 2016-05-13 2017-11-16 Douwe Egberts Bv A capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
NL2019254B9 (en) 2016-10-07 2018-09-10 Douwe Egberts Bv A capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
NL2020415B1 (nl) * 2017-02-13 2021-10-14 Stas I P B V Capsule met daarin een te extraheren product, alsmede samenstel van twee dergelijke capsules
CA3055261A1 (en) * 2017-04-04 2018-10-11 Societe Des Produits Nestle S.A. Capsule for beverage preparation with integrally formed sealing member
WO2019001995A1 (en) * 2017-06-26 2019-01-03 Nestec S.A. CAPSULE AND SYSTEM FOR PREPARING A BEVERAGE FROM SUCH A CAPSULE HAVING A SEALING ELEMENT
RU2665595C1 (ru) * 2017-08-23 2018-08-31 Общество с ограниченной ответственностью "ОРИМИ" (ООО "ОРИМИ") Капсула для приготовления напитка
IT201800009244A1 (it) * 2018-10-08 2020-04-08 Sarong Societa' Per Azioni Contenitore

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WO2012118367A1 (en) † 2011-03-03 2012-09-07 Biserkon Holdings Ltd. Capsule, device and method for preparing a beverage by extraction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11851268B2 (en) 2015-05-15 2023-12-26 Koninklijke Douwe Egberts B.V. Capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device
US11844453B2 (en) 2017-07-14 2023-12-19 Koninklijke Douwe Egberts N.V. Capsule for the preparation of a beverage

Also Published As

Publication number Publication date
SG11201408167SA (en) 2015-01-29
EP2868598A1 (en) 2015-05-06
MA37774B1 (fr) 2016-06-30
ES2583479T3 (es) 2016-09-21
TN2014000503A1 (en) 2016-03-30
UA111433C2 (uk) 2016-04-25
MA20150393A1 (fr) 2015-11-30
ES1077395Y (es) 2012-10-15
ES1077395U (es) 2012-07-16
ES2583479T5 (es) 2021-07-01
WO2014001584A1 (es) 2014-01-03
EP2868598B1 (en) 2016-05-25
WO2014001584A8 (es) 2014-04-17
RU2599001C2 (ru) 2016-10-10
RU2015102101A (ru) 2016-08-10

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