EP3724101A1 - Capsule - Google Patents

Capsule

Info

Publication number
EP3724101A1
EP3724101A1 EP18826805.6A EP18826805A EP3724101A1 EP 3724101 A1 EP3724101 A1 EP 3724101A1 EP 18826805 A EP18826805 A EP 18826805A EP 3724101 A1 EP3724101 A1 EP 3724101A1
Authority
EP
European Patent Office
Prior art keywords
capsule
coffee
fibers
water
capsules
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.)
Pending
Application number
EP18826805.6A
Other languages
German (de)
English (en)
Inventor
Natalie ANDREOLI
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.)
Pacovis AG
Original Assignee
Pacovis 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 Pacovis AG filed Critical Pacovis AG
Publication of EP3724101A1 publication Critical patent/EP3724101A1/fr
Pending legal-status Critical Current

Links

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
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Definitions

  • the invention relates to a capsule for preparing in particular warm or hot drinks, in particular coffee or tea servings.
  • Coffee capsules or pads for receiving roasted and ground coffee are known. With them, a portion of coffee or espresso can be prepared in a coffee or espresso machine by means of pressurized water.
  • Such capsules have a substantially cup-shaped or
  • truncated cone-shaped capsule body of a light metal in particular aluminum, or a plastic, for example polypropylene (PP) or polyethylene (PE).
  • PP polypropylene
  • PE polyethylene
  • the side wall of the capsule body is usually conical. At the smaller diameter of the frusto-conical capsule body, a head part is formed and at the larger diameter, a circumferential and outwardly projecting flange is formed.
  • the surface facing the head part serves as a clamping or clamping surface in a brewing chamber of the coffee or espresso machine and the outer surface facing away from the head part serves to support a flat lid or
  • Capsules made of plastic have the disadvantage that molten plastic particles can settle on the injection needles of the coffee or espresso machine, which impair the taste of the coffee and the puncture in the head of the capsule.
  • capsules with complex, complex head parts and inner coatings or filter elements for example DE 102012111685 A1, EP 2750991 B1, EP 2956387 B1 or EP 3009378 B1.
  • Such a plastic capsule with a flange is disclosed in CH 707516 B1 or EP2757056 B1, wherein the flange has at least two zigzag or wave-shaped sealing edges on the surface facing the head part.
  • EP 2287090 B1 Similar shaped flanges and seals with sealing lips made of rubber or fibers are also shown in EP 2287090 B1, wherein rubber-elastic Sealing elements are already known from EP1654966 B1.
  • the capsule again consists of PP or PE, but should be biodegradable. Mention should also be made of EP2291316 B1, which discloses a flange of softenable in hot water contact material. Increases the volume of the capsule, this is removable only with increased effort from the brewing chamber. This capsule should also be biodegradable. However, the decomposition process of PP or PE will last for many months.
  • Coffee capsules or lids of such capsules can also be made
  • Polymer compositions (PLA, PE o. A.) are to be biodegradable, for example, according to DE 10 2014 001 152 A1, WO 2015121489 A1 or WO 2017072808 A1, wherein a multi-layer structure is provided.
  • WO2017167624 A1 a capsule of polysaccharides, in particular starch, cellulose or fibers is described, wherein the capsule body consists primarily of folded cardboard. This capsule body is coated with a
  • the invention has for its object to provide a capsule for preparing in particular hot or hot drinks, especially of coffee or tea portions, which avoids the disadvantages of the prior art, can be produced with little effort and is completely biodegradable in a short time.
  • the object is solved with the features of claim 1.
  • the capsule according to the invention is a coffee capsule consisting essentially of a completely biodegradable and natural raw material.
  • the inventive coffee capsule can be produced in a shaping step and consists essentially of bio-based plant fibers, preferably bamboo fibers and / or sugarcane fibers and at least one
  • Biodegradable is defined in terms of home composting, the
  • composthome (vincotte) to be completely convertible into raw compost. Ie. in less time than usual.
  • a partial object of the invention is the development of a method for producing such a capsule.
  • a significant advantage of the invention is also that these capsules due to their simple design mass suitable, d. H. can be produced in 100-million-fold quantities.
  • FIG. 1 shows a first embodiment of a capsule according to the invention in a perspective view
  • FIG. 2 shows a second embodiment of the capsule according to the invention
  • 3 shows a further embodiment of the capsule according to the invention in a perspective illustration
  • 4 shows a sectional view of a further embodiment of the capsule according to the invention.
  • the coffee capsule 1 comprises a substantially cup-shaped or frusto-conical capsule body 2 with a conical wall, a height of about 28 mm and a volume of about 13 ml.
  • a head part 3 is formed and at the larger diameter, a circumferential and outwardly projecting, annular flange 4 is formed.
  • the flange 4 has a diameter of about 36mm.
  • the head part 3 facing surface 5 of the flange 4 serves as a clamping and sealing surface in a brewing chamber, respectively.
  • a counter-pressure plate of the coffee or espresso machine and its remote from the head part 3 and rough outer surface 6 (net side) serves the support of a flat, not shown, lid.
  • the lid is tightly closing on the outer surface 6.
  • the interior of the capsule body 2 can be filled with a conventional amount of coffee powder and is closed after filling with the lid.
  • An outer wall 12 of the capsule body 2 has a smooth surface, which in water and steam in a coffee machine only one
  • the surface 5 of the flange 4 is provided in the example with an externally abutting and circumferentially molded, thickened paragraph 11. Spaced apart from this shoulder 11, an annular bead 7 can still be formed on the surface 5 of the flange 4 (FIGS. 1 and 3). Without paragraph 11 and bead 7, the thickness of the flange 4 is about 0.8mm.
  • Bead 7 and paragraph 11 are elastically deformable in the example and in the example have a substantially same height of about 0.7 mm.
  • the wall thickness of the capsule body 2 and in particular of the conical wall is for example 0.6 mm, the wall thickness of the ring 9 in the example only about 0.2 mm.
  • the conical wall merges into an annular region 10, which may be designed to extend in a planar manner (FIG. 1, 2) or conically ascending (FIG. 3).
  • annular region 10 which may be designed to extend in a planar manner (FIG. 1, 2) or conically ascending (FIG. 3).
  • a retracted ring 9 with significantly lower wall thickness, in the example at least smaller than half the wall thickness of the region 10, wherein the ring 9 in turn planar (Fig. 1, 2) or conically increasing ( Fig. 3), a cone forming, may be formed.
  • the middle 8 again has approximately the wall thickness of the conical wall of the
  • FIG. 4 Another embodiment of the capsule according to the invention is shown in FIG. 4 in a sectional view.
  • the transition 13 from the outer wall 12 to a flat bottom 3 is rounded with a rounding radius of about 4, 5-4, 6mm.
  • the wall thickness of the outer wall 12 is again about 0.6 mm, the wall thickness of the bottom 3 is in this example about 0.4 mm.
  • the bottom 3 is preferably thinner than the outer wall 12 of the capsule body in order to allow a better squeezing of the water during the brewing process.
  • the walls and other parts of the capsule body 2 are sufficiently stable and dimensionally stable under the influence of water and heat.
  • the ring 9 is pierced by the injection needles of the coffee or espresso machine and is sufficiently resistant to breakage despite the small wall thickness.
  • the coffee capsule 1 (without lid) consists of only one layer of material,
  • the coffee capsule 1 consists of vegetable fibers, preferably of bamboo fibers and / or sugarcane fibers and at least one food-approved additive that is water and oil repellent.
  • the plant fibers are first pretreated depending on the fiber structure, crushed and optionally ground, taking into account the different material structures of bamboo and sugar cane. In particular, the degree of bamboo bamboo fibers should be adjusted so that an optimal water throughput on
  • the plant fibers are mixed with the additive.
  • the capsule body 2 according to the invention is produced in a molding machine which contains two tools.
  • One tool is a heatable pressing tool and is preferably made of steel, while the other tool is a net or a net-like molding tool.
  • the tools are preferably multiple tools in which several coffee capsules 1 can be produced at the same time.
  • pretreated and crushed bamboo fibers and / or sugar cane fibers in a tank or the like are soaked with water and at least one additive and treated until a homogeneous mass of the components fibers, water and additive (s) is formed. This mass is subsequently sponged in the network tool and formed into blanks of coffee capsule 1, wherein the largest part of liquid escapes.
  • the material is pressed so that less material remains on the bottom 3 than on the outer wall 12, so that water can be pressed well through the bottom 3 during the brewing process, even with high material compression.
  • a fine blank can be made by laser cutting if required. Preferably, however, can be dispensed with the fine blank. Subsequently, a separation of the coffee capsules 1.
  • the coffee capsule 1 thus prepared is equally stable and suitable without additional coating for direct food contact.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Abstract

L'invention concerne une capsule destinée à préparer en particulier des boissons chaudes ou très chaudes, en particulier des doses de café ou de thé. La capsule peut être fabriquée de manière simple, et est entièrement biodégradable en peu de temps, dans le compost domestique. À cet effet, la capsule comprend un corps de capsule (2) tronconique ou en forme de godet, doté d'une paroi conique, une partie tête (3) étant formée au niveau de son diamètre le plus petit, et une bride (4) annulaire, périphérique et faisant saillie vers l'extérieur étant formée au niveau de son diamètre le plus grand, la capsule de café (1) étant constituée d'une matière première naturelle et entièrement biodégradable.
EP18826805.6A 2017-12-12 2018-11-28 Capsule Pending EP3724101A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01509/17A CH714423A2 (de) 2017-12-12 2017-12-12 Kapsel.
PCT/IB2018/059386 WO2019116133A1 (fr) 2017-12-12 2018-11-28 Capsule

Publications (1)

Publication Number Publication Date
EP3724101A1 true EP3724101A1 (fr) 2020-10-21

Family

ID=64901024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18826805.6A Pending EP3724101A1 (fr) 2017-12-12 2018-11-28 Capsule

Country Status (3)

Country Link
EP (1) EP3724101A1 (fr)
CH (1) CH714423A2 (fr)
WO (1) WO2019116133A1 (fr)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1702543B1 (fr) 2004-10-25 2007-11-28 Nestec S.A. Capsule avec des moyens d'étanchéité
JP6058887B2 (ja) 2008-04-14 2017-01-11 エシカル コーヒー カンパニー ソシエテ アノニム 飲料を調理するための包容器
PT2287090E (pt) 2009-08-19 2013-08-23 Nestec Sa Cápsula para a preparação de um extracto de café tendo uma estrutura que facilita a perfuração para injecção de água
AT508887B1 (de) 2009-09-28 2011-11-15 Sunday Products Handels Gmbh & Co Kg Kaffeekapsel
US20120097602A1 (en) * 2010-10-22 2012-04-26 International Paper Company Biodegradable or compostable beverage filter cartridge
ITTO20120724A1 (it) 2012-08-13 2014-02-14 Lavazza Luigi Spa Capsula sigillata per la preparazione di una bevanda, in particolare caffe'
CH707035A2 (de) * 2012-09-26 2014-03-31 Alice Allison Sa Portionenpackung für Espressomaschinen.
DE102012111685A1 (de) 2012-11-30 2014-06-05 K-Fee System Gmbh Portionskapsel zur Herstellung von Kaffeegetränken mit und ohne Crema
CH707516A2 (de) 2013-01-17 2014-07-31 Alice Allison Sa Kapselteil für eine Kaffeekapsel und Kaffeekapsel.
BR112015019144A2 (pt) 2013-02-12 2017-07-18 Douwe Egberts Bv cápsula, sistema e método para preparação de uma quantidade predeterminada de bebida
DE102014001152A1 (de) 2014-01-31 2015-08-06 Bio-Tec Biologische Naturverpackungen Gmbh & Co.Kg Polymerzusammensetzung enthaltend PLLA und PDLA
WO2015121489A1 (fr) 2014-02-17 2015-08-20 Ritter Gmbh Récipient en matériau biodégradable à fonction barrière
ES2750773T3 (es) 2014-03-24 2020-03-27 Nestle Sa Cápsula de café y sistema para producir un extracto de café a partir de dicha cápsula
CH710252A1 (de) 2014-10-13 2016-04-15 Alice Allison Sa Kaffeekapsel.
ITUB20155347A1 (it) 2015-10-30 2016-01-30 Cossa Polimeri S R L Capsula per la preparazione di bevande ad infusione o solubili.
ES2700209T3 (es) 2016-03-31 2019-02-14 Axel Nickel Cápsula que contiene polvo de bebida, en particular para la preparación de infusión de café
DE102016112135A1 (de) 2016-07-01 2018-01-04 Bbc Bremer Bagasse Company Gmbh & Co. Kg Portionsbehälter für extrahierbare Substanzen zur Herstellung eines Getränks

Also Published As

Publication number Publication date
CH714423A2 (de) 2019-06-14
WO2019116133A1 (fr) 2019-06-20

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