EP3517458B1 - Portion container - Google Patents

Portion container Download PDF

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Publication number
EP3517458B1
EP3517458B1 EP19152780.3A EP19152780A EP3517458B1 EP 3517458 B1 EP3517458 B1 EP 3517458B1 EP 19152780 A EP19152780 A EP 19152780A EP 3517458 B1 EP3517458 B1 EP 3517458B1
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EP
European Patent Office
Prior art keywords
container
container body
portion container
container according
bioplastic
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Application number
EP19152780.3A
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German (de)
French (fr)
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EP3517458A1 (en
Inventor
Julian Reitze
Stefan Zender
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Rezemo GmbH
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Rezemo GmbH
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Publication date
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Publication of EP3517458A1 publication Critical patent/EP3517458A1/en
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Publication of EP3517458B1 publication Critical patent/EP3517458B1/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
    • 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

Definitions

  • the present invention relates to a portion container for storing a starting material, in particular for preparing a drink from a drink starting material.
  • Generic portion containers are used to store a starting material, in particular a beverage starting material, for example coffee powder and the like. Such portion containers are usually flowed through by water in order to prepare a drink from the starting material.
  • Coffee capsules are known which store coffee, for example in the form of coffee powder, and through which water flows to prepare coffee. This flow usually takes place in a complementary device, for example a coffee machine, which makes the water available at the desired or required temperatures and pressures and sends it through the portion container.
  • the Nespresso® system is known, in which coffee capsules are placed in the coffee machine and water flows through them in order to make coffee.
  • Portion containers which essentially consist of aluminum or aluminum-containing compositions are known here. Although these offer the necessary stability and freshness-keeping properties, they are expensive to produce.
  • portion containers made of petrochemical plastics such as polypropylene are known. Both types of portion containers Due to the fact that they are usually not recycled, they have an environmental balance sheet that needs improvement. The extraction of the starting materials for the production of the portion containers is complex and therefore expensive and in need of improvement in terms of the environmental balance.
  • the DE 20 2017 005 008 U1 proposes, for example, to produce a container body of the portion container from thin-layer liquid wood or Arboform®, which is shaped by moisture.
  • the disadvantage here is that the production of the portion containers is expensive.
  • the production of liquid wood or Arboform® requires a chemical and / or physical treatment of the raw material wood, which in turn increases the overall costs and / or has a negative impact on the environmental balance.
  • a coffee capsule which is injection molded from a composition.
  • the composition is made by extrusion of thermoplastic materials which are biodegradable.
  • a container which is injection molded from a sunflower fiber-PBS compound, it being possible for wood fiber to be added to the sunflower fiber-PBS compound.
  • the present invention is therefore concerned with the object of specifying an improved or at least different embodiment for a portion container of the type mentioned at the outset, which is characterized in particular by simple and / or inexpensive manufacture and / or improved stability.
  • the present invention is based on the general idea of producing a container body of a portion container, in which a starting material is to be stored, from a wood material compounded with a bioplastic.
  • a composition hereinafter also referred to as the container composition, from which the container body is made, comprises wood material which is compounded with bioplastics.
  • the proposed container composition has the advantage, on the one hand, that the compounded wood material is biodegradable, in particular compostable, which considerably improves the environmental balance of the portion container.
  • the container body and thus the portion container can in a simple manner, in particular can be produced without subsequently required coatings and sheaths, so that production is simplified.
  • the container bodies produced in this way have mechanically and / or with respect to increased temperatures and / or pressures in a liquid, in particular water, improved stabilities.
  • the portion container thus has the container body which limits a volume for storing the starting material.
  • the container body is made from the container composition, the container composition comprising a wood material compounded with a bioplastic.
  • Bioplastic in the sense of the present invention is a biodegradable, in particular compostable, plastic.
  • compounding means processing the bioplastic by adding the wood material.
  • the bioplastic is evenly mixed with the wood material.
  • Compounding takes place by extruding the bioplastic with the wood material in an extruder.
  • the container composition is thus produced by adding the wood material to the bioplastic by extruding the bioplastic with the wood material.
  • the container composition preferably consists essentially of the wood material compounded with the bioplastic. This means that, apart from the wood material compounded with the bioplastic, the container composition preferably only has additives and the like, for example binders, which are added in particular during the compounding. In particular, there is the container composition and thus at least 80% of the container body, for example at least 90%, for example at least 95% of the wood material compounded with the bioplastic.
  • the container body expediently has a wall, which is also referred to below as the container wall, the container wall being made from the container composition.
  • the container body in particular the container wall, preferably directly limits the volume for storing the starting material.
  • the portion container can be used to store any raw material.
  • starting material is to be understood as meaning in particular those substances or compositions from which a consumable product, for example a drink, is produced with the addition of water.
  • the starting material is therefore in particular a beverage starting material, for example coffee powder, tea powder and the like.
  • the portion container can be designed as a coffee portion container, in particular as a coffee capsule.
  • the wood material and the bioplastic with which the wood material is compounded are distributed uniformly, i.e. homogeneously, in the container composition or in the container body. In addition, these components are firmly fused together. The same applies to any additives that may be present.
  • the wood material of the container composition can in principle be any.
  • the wood material can, for example, be or have wood, in particular pieces of wood, for example wood chips, wood fibers and the like.
  • the container body can be made from a wood fiber-bioplastic compound.
  • Embodiments in which the wood material has lignocellulose have proven to be advantageous. This improves the stability of the container body. It is advantageous here if the wood material consists of lignocellulose or is lignocellulose.
  • the bioplastic can in principle be any, as long as it is biodegradable.
  • the bioplastic advantageously has at least one biodegradable polymer, also referred to below as a biopolymer.
  • a biopolymer also referred to below as a biopolymer.
  • the use of the at least one biopolymer enables a simplified compounding of the wood material, the compounded wood material still being biodegradable. In addition, this increases the stability of the container body. It is preferred if the bioplastic consists of at least one biopolymer.
  • the at least one biopolymer is basically anything. Biodegradable polyesters are conceivable.
  • the bioplastic is preferably obtained from renewable raw materials, i.e. based on renewable raw materials.
  • Such bioplastics therefore consist of biologically based plastics or biologically based polymers, also called biobased bioplastics or biobased polymers for short.
  • bioplastics of this kind differ considerably from plastics obtained from petrochemicals such as polyester.
  • such bioplastics have a better environmental balance.
  • the bioplastic can also be only partially bio-based.
  • Embodiments are preferred in which at least one of the bio-based polymers has at least one bio-based polylactide, in particular consists of at least one bio-based polylactide.
  • Embodiments are considered preferred in which the bioplastic with which the wood material is compounded consists of at least one polylactide.
  • the container composition advantageously has at least one, in particular bio-based, polylactide as the bioplastic and lignocellulose as the wood material.
  • the container composition has lignocellulose compounded with, in particular bio-based, polylactides, the container composition preferably consisting essentially, i.e. with the exception of additives, of lignocellulose compounded with at least one, in particular bio-based, polylactide.
  • the container body can therefore essentially be made of lignocellulose which is compounded with at least one polylactide.
  • the ratio between the bioplastic and the wood material in the container composition is in principle arbitrary. It is preferred if the wood material makes up at least 40%, in particular at least 45%, for example 50%, of the container composition. This leads to an advantageous stability of the container body and / or an improved biodegradability of the container body.
  • the container body can be produced from the container composition in any desired manner. This means that the container body can be produced in any desired manner from the wood material compounded with the bioplastic.
  • the container body from the container composition by means of an original molding process.
  • Variants are preferred in which the container composition is brought into a plastic state, in particular by plasticization, and the container body is originally formed from the container composition in the plastic state.
  • the container body is in this case thus produced by primary molding from the plastic state of the container composition.
  • the container body is injection molded from the container composition, that is to say produced by an injection molding process.
  • This enables simple and / or precise production of the container body.
  • This also makes it possible to make the container body thin-walled, i.e. the container wall with low wall thicknesses, and at the same time sufficiently stable.
  • it is thus possible to achieve a homogeneous distribution of the container composition in the container body, which in particular leads to an improved stability of the container body.
  • the exchange of air, in particular oxygen, between the volume and the environment and thus between the starting material in the volume and the environment is advantageously reduced.
  • the container composition can have at least one flux as an additive.
  • the container body is heated, the heating expediently taking place in a predetermined temperature range and / or for a predetermined duration.
  • the container body is thus against increased pressures and temperatures in the water flowing through the container body are also more stable when the water flows through the portion container for a longer period of time.
  • the container body can in principle have any shape, provided that it limits the volume in which the starting material is stored.
  • the container body is designed as a pot with a pot bottom and a pot opening spaced from the pot bottom.
  • the starting material can be introduced into the container body through the pot opening and thus stored therein.
  • the container body has a shoulder surrounding the pot opening and protruding, in particular completely circumferential.
  • the shoulder serves in particular to form a sealing surface which serves to seal the portion container or the starting material introduced into the portion container, for example by means of a closure.
  • a seal is applied to the side of the shoulder facing the floor, with which a corresponding sealing effect is achieved in the device.
  • the seal preferably has a natural rubber material, preferably consists of the natural rubber material.
  • the seal is also biodegradable, in particular compostable.
  • the seal is advantageously arranged in a sealing groove which, for example, adjoins the container wall. This enables a precise and / or simplified application of the seal to the container body.
  • the natural rubber material can in principle be any.
  • the natural rubber is preferably a natural rubber or natural latex.
  • the seal is biologically better or more easily degradable, in particular compostable. It is advantageous here if the seal consists of natural rubber or natural latex.
  • a wall thickness or thickness of the container body is preferably less than 3.0 mm, in particular 1.0 mm.
  • the pot base has at least one flow section which has a reduced thickness or wall thickness.
  • the flow section serves the purpose of introducing water into the portion container for the purpose of preparation from the starting material. The introduction of water into the portion container can thus be carried out in a simplified manner.
  • At least one depression is preferably made. Said depression is therefore arranged in particular on the edge of the pot base and directed inward.
  • the depression leads to increased mechanical stability of the container body. It is conceivable to provide a plurality of such depressions which are spaced apart from one another, in particular evenly, arranged.
  • the portion container expediently has a closure which closes the container body and which is advantageously attached to the shoulder.
  • the closure is advantageously designed as a membrane.
  • Preferred embodiments provide that the closure is also biodegradable, so that the entire portion container is biodegradable.
  • the closure preferably has cellulose coated with bioplastics, in particular with bio-based bioplastics, and in particular consists of cellulose coated with bioplastics or bio-based plastic.
  • bioplastics in particular with bio-based bioplastics, and in particular consists of cellulose coated with bioplastics or bio-based plastic.
  • a portion container 1 as it is, for example, in the Figs. 1 to 5 is shown, has a container body 2 which delimits a volume 3 in its interior.
  • the volume 3 is used to store a starting material (not shown), for example coffee, in particular coffee powder.
  • the portion container 1 is designed as a capsule container 4, in particular as a coffee capsule 5.
  • the container body 2 has a wall 6, which is also referred to below as the container wall 6 and delimits the volume 3.
  • the container body 2 is designed as a pot 7, which has a pot bottom 8, a wall 9 projecting from the pot bottom 8 at the edge and closed all the way around, and a pot opening 10 spaced from the pot bottom 8 and in the present case opposite the pot bottom 8 having.
  • the pot wall 9 runs between the pot bottom 8 and the pot opening 10.
  • the The pot wall 9 has an essentially conical shape in such a way that the cross section of the volume 3 increases from the pot bottom 8 towards the pot opening 10.
  • the starting material can be introduced into the portion container 1 through the pot opening 10 and stored therein. After the starting material has been introduced, the pot opening 10 is closed with the aid of a closure 11, which in the present case is designed as a membrane 12.
  • Fig. 1 is an isometric side view of the portion container, in Fig. 2 a cross section through the portion container 1 in the area of the pot bottom 8, in Fig. 3 a lower view, ie a view of the pot opening 10, but without the closure 11, in Fig. 4 a further isometric view of the portion container 1 and in Fig. 5 a cross section through the portion container 1 in the area of the pot opening 1, but without the closure 11.
  • the portion container 1, in particular the container body 2, has a shoulder 13 which surrounds the pot opening 10 in a closed manner and protrudes from the pot wall 9.
  • the shoulder 13 serves in particular as a sealing surface when the portion container 1 is used in a complementary device, not shown, in particular a coffee machine.
  • the closure 11 embodied as a membrane 12 is attached, in particular welded, and thus fixed on the side of the shoulder 13 facing away from the pot bottom 8 on the shoulder 13, for example by applying heat.
  • the pot bottom 8, like in particular the Fig. 2 and 4th can be removed, a shape concave towards the volume 3 with a central, inwardly directed, round depression 14.
  • several inwardly directed depressions 15 are arranged, which are spaced apart from one another and are evenly distributed.
  • the pot wall 9 has a circumferential step 16 between the depressions 15 and the pot opening 10, which step extends outward and thus leads to an enlargement of the container body 2 or the pot 7.
  • the step 16 is designed as a collapsing rib 17.
  • At least one flow section 18 is provided in the pot bottom 8 between the depressions 15 and the central depression 14.
  • a total of four such flow-through sections 18 are provided, which are spaced apart from one another and are arranged uniformly.
  • the respective flow section 18 has a reduced thickness 19 or wall thickness 19 (see FIG Fig. 2 ) and is, such as Fig. 4 can be removed, not visible from the outside.
  • the flow-through sections 18 serve the purpose of introducing water required from the starting material into the portion container 1 for the preparation of a drink, in particular coffee. They make it possible, in particular due to the reduced thickness 19, that the water can be introduced into the portion container 1 in a simplified manner.
  • the introduced water passes through the starting material and then penetrates through the pot opening 10 and the closure 11 from the portion container 1 and can then be dispensed.
  • the closure 11 In order to penetrate the closure 11, it is provided in the device with outlets (not shown) which are introduced into the closure mechanically and / or by the pressure in the water.
  • the thickness or wall thickness 19 of the container wall 6 or the pot wall 9 is preferably less than 3 mm, in particular 1 mm. Accordingly, the thickness in the respective throughflow section 18 is smaller, in particular smaller than 1.0 mm.
  • a circumferential groove 20 is formed on the side of the shoulder 13 facing the pot bottom 8 and adjoining the pot wall 9, which is also referred to below as the inner groove 20.
  • the shoulder 13 has a circumferential tongue 22 directed towards the pot bottom 8 at its end remote from the pot opening 10.
  • a further groove 23 which follows the course of the inner groove 20 and is adjacent to the inner groove 20, hereinafter also referred to as the outer groove 23, is formed.
  • the container body 2 is made from a container composition, preferably by molding from a plastic state of the container composition, advantageously by injection molding.
  • the container composition has a wood material, preferably lignocellulose, which is compounded with a bioplastic, preferably with a bio-based bioplastic, particularly preferably with at least one bio-based polylactide, the container composition preferably consisting essentially of the wood material compounded with the bioplastic.
  • the container body 2 can preferably be produced by injection molding from a wood fiber-bioplastic compound as the container composition.
  • the container body 2 is preferably produced by injection molding of lignocellulose compounded with at least one bio-based polylactide. It is conceivable to thermally treat the container body 2 after the injection molding, i.e. to heat it for a predetermined time at a predetermined temperature.
  • an improved stability of the container body 2 in particular an increased compressive strength under elevated temperatures and pressures and with prolonged exposure, can be achieved.
  • the closure 11 designed as a membrane 12 has cellulose which is coated with a biopolymer, preferably at least one polylactide, wherein the closure 11 in particular consists of it. This means that the closure can consist of cellulose coated with at least one polylactide.
  • a circumferential seal 21 is applied, which preferably consists of a natural rubber material, particularly preferably of natural rubber or natural latex.
  • the seal 21 is in the Figures 4 and 5 shown as transparent, so that the inner groove 20 is also visible. It is conceivable to apply a seal 21 also in the outer groove 23, a seal 21 preferably only being applied in the inner groove 20.
  • the entire portion container 1 is thus biodegradable, in particular compostable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Description

Die vorliegende Erfindung betrifft einen Portionsbehälter zum Bevorraten eines Ausgangsstoffs, insbesondere zur Zubereitung eines Getränks aus einem Getränkeausgangsstoff.The present invention relates to a portion container for storing a starting material, in particular for preparing a drink from a drink starting material.

Gattungsgemäße Portionsbehälter kommen zum Bevorraten eines Ausgangsstoffs, insbesondere eines Getränkeausgangsstoffs, beispielsweise von Kaffeepulver und dergleichen, zum Einsatz. Derartige Portionsbehälter werden üblicherweise von Wasser durchströmt, um aus dem Ausgangsstoff ein Getränk zuzubereiten. Es sind Kaffeekapseln bekannt, welche Kaffee, beispielsweise in Form von Kaffeepulver, bevorraten und zum Zubereiten von Kaffee von Wasser durchströmt werden. Dieses Durchströmen erfolgt üblicherweise in einer komplementären Einrichtung, beispielsweise einer Kaffeemaschine, die das Wasser mit gewünschten oder erforderlichen Temperaturen und Drücken zur Verfügung stellt und durch den Portionsbehälter schickt. Bekannt ist insbesondere das Nespresso®-System, bei dem Kaffeekapseln in die Kaffeemaschine eingebracht und von Wasser durchströmt werden, um Kaffee herzustellen.Generic portion containers are used to store a starting material, in particular a beverage starting material, for example coffee powder and the like. Such portion containers are usually flowed through by water in order to prepare a drink from the starting material. Coffee capsules are known which store coffee, for example in the form of coffee powder, and through which water flows to prepare coffee. This flow usually takes place in a complementary device, for example a coffee machine, which makes the water available at the desired or required temperatures and pressures and sends it through the portion container. In particular, the Nespresso® system is known, in which coffee capsules are placed in the coffee machine and water flows through them in order to make coffee.

Die zur Zubereitung erforderlichen Temperaturen und/oder Drücke des Wassers stellen Anforderungen an die Portionsbehälter, insbesondere hinsichtlich ihrer mechanischen Stabilität. Zudem ist es vorteilhaft, den bevorrateten Ausgangsstoff im Portionsbehälter möglichst lange frisch und/oder unverändert aufzubewahren. Bekannt sind hierbei Portionsbehälter, die im Wesentlichen aus Aluminium oder aluminiumhaltigen Zusammensetzungen bestehen. Diese bieten zwar die notwendigen Stabilität- und Frischhalteeigenschaften, sind jedoch in der Produktion teuer. Zudem sind Portionsbehälter aus petrochemischen Kunststoffen wie beispielsweise Polypropylen bekannt. Beide Arten von Portionsbehältern haben aufgrund der in der Regel ausbleibenden Wiederverwertung eine Umweltbilanz, bei der Verbesserungsbedarf besteht. Auch die Gewinnung der Ausgangsstoffe zur Herstellung der Portionsbehälter ist aufwendig und somit teuer sowie in der Umweltbilanz verbesserungsbedürftig.The temperatures and / or pressures of the water required for preparation place demands on the portion containers, in particular with regard to their mechanical stability. In addition, it is advantageous to keep the stored raw material fresh and / or unchanged in the portion container for as long as possible. Portion containers which essentially consist of aluminum or aluminum-containing compositions are known here. Although these offer the necessary stability and freshness-keeping properties, they are expensive to produce. In addition, portion containers made of petrochemical plastics such as polypropylene are known. Both types of portion containers Due to the fact that they are usually not recycled, they have an environmental balance sheet that needs improvement. The extraction of the starting materials for the production of the portion containers is complex and therefore expensive and in need of improvement in terms of the environmental balance.

Es wurde daher mehrmals vorgeschlagen, derartige Portionsbehälter biologisch abbaubar herzustellen. Die DE 20 2017 005 008 U1 schlägt beispielsweise vor, einen Behälterkörper des Portionsbehälters aus dünnlagigem Flüssigholz bzw. Arboform® herzustellen, welches durch Feuchtigkeit in Form gebracht wird. Nachteilig hierbei ist, dass die Herstellung der Portionsbehälter aufwendig ist. Ferner erfordert das Erzeugen von Flüssigholz oder Arboform® eine chemische und/oder physikalische Behandlung des Ausgangsstoffs Holz, was wiederum die Gesamtkosten steigert und/oder die Umweltbilanz negativ beeinträchtigt. Zudem ist es notwendig, die somit hergestellten Behälterkörper durch zusätzliche Maßnahmen in Form zu halten und/oder zu versiegeln. Konkret wird hierbei das Versehen des Behälterkörpers mit Wachs vorgeschlagen, so dass die Herstellung wiederum aufwendig und somit teuer ist.It has therefore been proposed several times to produce such portion containers in a biodegradable manner. the DE 20 2017 005 008 U1 proposes, for example, to produce a container body of the portion container from thin-layer liquid wood or Arboform®, which is shaped by moisture. The disadvantage here is that the production of the portion containers is expensive. Furthermore, the production of liquid wood or Arboform® requires a chemical and / or physical treatment of the raw material wood, which in turn increases the overall costs and / or has a negative impact on the environmental balance. In addition, it is necessary to keep the container bodies produced in this way in shape and / or to seal them by means of additional measures. Specifically, it is proposed here to provide the container body with wax, so that production is again complex and therefore expensive.

Die DE 10 2016 112 135 A1 , EP 3 115 316 A1 sowie DE 10 2014 000 187 A1 schlagen jeweils vor, einen als Kapsel ausgebildeten Portionsbehälter als einen Pressling aus einem cellulosischem oder Polysaccharide enthaltendem Pulver zu pressen. Das Herstellen solcher Presslinge ist wiederum aufwendig. Zudem ist es notwendig, den Pressling mit einer Ummantelung zu versehen, um den Pressling in Form zu halten, wobei zur Ummantelung wiederum Polysaccharide bzw. Derivate daraus vorgeschlagen werden. Auch hier sind also weitere Schritte zur Herstellung des Portionsbehälters notwendig, welche diese aufwendig und teuer machen. Darüber hinaus weisen derartige Portionsbehälter in der Regel eine unzureichende mechanische Stabilität und/oder eine unzureichende Stabilität gegenüber hohen Drücken und Temperaturen, welche für die Zubereitung der entsprechenden Getränke notwendig sind, auf.the DE 10 2016 112 135 A1 , EP 3 115 316 A1 as DE 10 2014 000 187 A1 suggest in each case that a portion container designed as a capsule be pressed as a pellet from a powder containing cellulosic or polysaccharides. The production of such compacts is again complex. In addition, it is necessary to provide the pellet with a sheath in order to keep the pellet in shape, polysaccharides or derivatives thereof being proposed for the sheathing. Here, too, further steps are necessary for the production of the portion container, which make it complex and expensive. In addition, such portion containers generally have inadequate mechanical stability and / or inadequate stability with respect to high pressures and temperatures, which are necessary for the preparation of the corresponding drinks.

Aus der FR 3 035 085 A1 ist eine Kaffeekapsel bekannt, die aus einer Zusammensetzung spritzgegossen ist. Die Zusammensetzung ist durch eine Extrusion von thermoplastischen Materialien hergestellt, welche biologisch abbaubar sind.From the FR 3 035 085 A1 a coffee capsule is known which is injection molded from a composition. The composition is made by extrusion of thermoplastic materials which are biodegradable.

Aus der DE 10 2016 107 654 A1 ist ein Behälter bekannt, welcher aus einem Sonnenblumenfaser-PBS-Compound spritzgegossen ist, wobei dem Sonnenblumenfaser-PBS-Compound Holzfaser hinzugefügt sein können.From the DE 10 2016 107 654 A1 a container is known which is injection molded from a sunflower fiber-PBS compound, it being possible for wood fiber to be added to the sunflower fiber-PBS compound.

Die vorliegende Erfindung beschäftigt sich daher mit der Aufgabe, für einen Portionsbehälter der eingangs genannten Art eine verbesserte oder zumindest andere Ausführungsform anzugeben, die sich insbesondere durch eine einfache und/oder kostengünstige Herstellung und/oder eine verbesserte Stabilität auszeichnet.The present invention is therefore concerned with the object of specifying an improved or at least different embodiment for a portion container of the type mentioned at the outset, which is characterized in particular by simple and / or inexpensive manufacture and / or improved stability.

Diese Aufgabe wird erfindungsgemäß durch den Gegenstand des unabhängigen Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.According to the invention, this object is achieved by the subject matter of independent claim 1. Advantageous embodiments are the subject of the dependent claims.

Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, einen Behälterkörper eines Portionsbehälters, in dem ein Ausgangsstoff bevorratet werden soll, aus einem mit einem Biokunststoff compoundierten Holzmaterial herzustellen. Das heißt, dass eine Zusammensetzung, nachfolgend auch Behälterzusammensetzung genannt, aus der der Behälterkörper hergestellt ist, Holzmaterial aufweist, das mit Biokunststoff compoundiert ist. Die vorgeschlagene Behälterzusammensetzung hat einerseits den Vorteil, dass das compoundierte Holzmaterial biologisch abbaubar, insbesondere kompostierbar ist, was die Umweltbilanz des Portionsbehälters erheblich verbessert. Andererseits kann der Behälterkörper und somit der Portionsbehälter auf einfache Weise, insbesondere ohne nachfolgend erforderliche Beschichtungen und Ummantelungen, hergestellt werden, so dass die Herstellung vereinfacht erfolgt. Darüber weisen die somit hergestellten Behälterkörper mechanisch und/oder gegenüber erhöhten Temperaturen und/oder Drücken in einer Flüssigkeit, insbesondere Wasser, verbesserte Stabilitäten auf.The present invention is based on the general idea of producing a container body of a portion container, in which a starting material is to be stored, from a wood material compounded with a bioplastic. This means that a composition, hereinafter also referred to as the container composition, from which the container body is made, comprises wood material which is compounded with bioplastics. The proposed container composition has the advantage, on the one hand, that the compounded wood material is biodegradable, in particular compostable, which considerably improves the environmental balance of the portion container. On the other hand, the container body and thus the portion container can in a simple manner, in particular can be produced without subsequently required coatings and sheaths, so that production is simplified. In addition, the container bodies produced in this way have mechanically and / or with respect to increased temperatures and / or pressures in a liquid, in particular water, improved stabilities.

Dem Erfindungsgedanken entsprechend weist der Portionsbehälter also den Behälterkörper auf, der ein Volumen zum Bevorraten des Ausgangsstoffs begrenzt. Der Behälterkörper ist aus der Behälterzusammensetzung hergestellt, wobei die Behälterzusammensetzung ein mit einem Biokunststoff compoundiertes Holzmaterial aufweist.In accordance with the concept of the invention, the portion container thus has the container body which limits a volume for storing the starting material. The container body is made from the container composition, the container composition comprising a wood material compounded with a bioplastic.

Biokunststoff im Sinne der vorliegenden Erfindung ist ein biologisch abbaubarer, insbesondere kompostierbarer, Kunststoff.Bioplastic in the sense of the present invention is a biodegradable, in particular compostable, plastic.

Compoundieren bedeutet vorliegend eine Aufbereitung des Biokunststoffs durch Beimischung des Holzmaterials. Dabei erfolgt eine gleichmäßige Vermischung des Biokunststoffs mit dem Holzmaterial. Das Compoundieren erfolgt durch das Extrudieren des Biokunststoffs mit dem Holzmaterial in einem Extruder. Die Behälterzusammensetzung ist also durch die Beimischung des Holzmaterials im Biokunststoff durch das Extrudieren des Biokunststoffs mit dem Holzmaterial hergestellt.In the present case, compounding means processing the bioplastic by adding the wood material. The bioplastic is evenly mixed with the wood material. Compounding takes place by extruding the bioplastic with the wood material in an extruder. The container composition is thus produced by adding the wood material to the bioplastic by extruding the bioplastic with the wood material.

Bevorzugt besteht die Behälterzusammensetzung im Wesentlichen aus dem mit dem Biokunststoff compoundierten Holzmaterial. Das heißt, dass die Behälterzusammensetzung bevorzugt außer dem mit dem Biokunststoff compoundierten Holzmaterial lediglich Additive und dergleichen, beispielsweise Bindemittel, aufweist, welche insbesondere während des Compoundierens beigefügt werden. Insbesondere besteht die Behälterzusammensetzung und somit der Behälterkörper zu zumindest 80%, beispielsweise zu zumindest 90%, etwa zu zumindest 95 % aus dem mit dem Biokunststoff compoundierten Holzmaterial.The container composition preferably consists essentially of the wood material compounded with the bioplastic. This means that, apart from the wood material compounded with the bioplastic, the container composition preferably only has additives and the like, for example binders, which are added in particular during the compounding. In particular, there is the container composition and thus at least 80% of the container body, for example at least 90%, for example at least 95% of the wood material compounded with the bioplastic.

Der Behälterkörper weist zweckmäßig eine Wandung auf, die nachfolgend auch Behälterwandung genannt wird, wobei die Behälterwandung aus der Behälterzusammensetzung hergestellt ist. Der Behälterkörper, insbesondere die Behälterwandung begrenzt vorzugsweise das Volumen zum Bevorraten des Ausgangsstoffs unmittelbar.The container body expediently has a wall, which is also referred to below as the container wall, the container wall being made from the container composition. The container body, in particular the container wall, preferably directly limits the volume for storing the starting material.

Der Portionsbehälter kann prinzipiell zum Bevorraten eines beliebigen Ausgangsstoffs zum Einsatz kommen. Unter Ausgangsstoff sind vorliegend insbesondere solche Stoffe oder Zusammensetzungen zu verstehen, aus denen unter Hinzugabe von Wasser ein verzehrbares Produkt, beispielsweise ein Getränk, hergestellt wird. Der Ausgangsstoff ist also insbesondere ein Getränkeausgangsstoff, beispielsweise Kaffeepulver, Teepulver und dergleichen. Dementsprechend kann der Portionsbehälter als Kaffeeportionsbehälter, insbesondere als Kaffeekapsel, ausgebildet sein.In principle, the portion container can be used to store any raw material. In the present context, starting material is to be understood as meaning in particular those substances or compositions from which a consumable product, for example a drink, is produced with the addition of water. The starting material is therefore in particular a beverage starting material, for example coffee powder, tea powder and the like. Accordingly, the portion container can be designed as a coffee portion container, in particular as a coffee capsule.

In der Behälterzusammensetzung bzw. im Behälterkörper sind das Holzmaterial und der Biokunststoff, mit dem das Holzmaterial compoundiert ist gleichmäßig, d.h. homogen, verteilt. Zudem sind diese Bestandteile fest miteinander verschmolzen. Entsprechendes gilt auch für gegebenenfalls vorhandene Additive.The wood material and the bioplastic with which the wood material is compounded are distributed uniformly, i.e. homogeneously, in the container composition or in the container body. In addition, these components are firmly fused together. The same applies to any additives that may be present.

Das Holzmaterial der Behälterzusammensetzung kann prinzipiell ein beliebiges sein. Das Holzmaterial kann beispielsweise Holz, insbesondere Holzstücke, beispielsweise Holzspäne, Holzfasern und dergleichen sein oder aufweisen. Insbesondere kann der Behälterkörper aus einem Holzfaser-Biokunststoff-Compound hergestellt sein.The wood material of the container composition can in principle be any. The wood material can, for example, be or have wood, in particular pieces of wood, for example wood chips, wood fibers and the like. In particular, the container body can be made from a wood fiber-bioplastic compound.

Als vorteilhaft erweisen sich Ausführungsformen, bei denen das Holzmaterial Lignocellulose aufweist. Hierdurch wird eine verbesserte Stabilität des Behälterkörpers erreicht. Vorteilhaft ist es hierbei, wenn das Holzmaterial aus Lignocellulose besteht bzw. Lignocellulose ist.Embodiments in which the wood material has lignocellulose have proven to be advantageous. This improves the stability of the container body. It is advantageous here if the wood material consists of lignocellulose or is lignocellulose.

Der Biokunststoff kann prinzipiell ein beliebiger sein, sofern dieser biologisch abbaubar ist.The bioplastic can in principle be any, as long as it is biodegradable.

Der Biokunststoff weist vorteilhaft zumindest ein biologisch abbaubares Polymer, nachfolgend auch Biopolymer genannt, auf. Der Einsatz des zumindest einen Biopolymers ermöglicht ein vereinfachtes Compoundieren des Holzmaterials, wobei das compoundierte Holzmaterial weiterhin biologisch abbaubar ist. Zudem wird hierdurch eine erhöhte Stabilität des Behälterkörpers erreicht. Bevorzugt ist es dabei, wenn der Biokunststoff aus zumindest einem Biopolymer besteht.The bioplastic advantageously has at least one biodegradable polymer, also referred to below as a biopolymer. The use of the at least one biopolymer enables a simplified compounding of the wood material, the compounded wood material still being biodegradable. In addition, this increases the stability of the container body. It is preferred if the bioplastic consists of at least one biopolymer.

Das wenigstens eine Biopolymer ist prinzipiell ein Beliebiges. Denkbar sind biologisch abbaubare Polyester.The at least one biopolymer is basically anything. Biodegradable polyesters are conceivable.

Bevorzugt ist der Biokunststoff aus nachwachsenden Rohrstoffen gewonnen, basiert also auf nachwachsenden Rohrstoffen. Derartige Biokunststoffe bestehen also aus biologisch basierten Kunststoffen bzw. biologisch basierten Polymeren, kurz auch biobasierte Biokunststoffe bzw. biobasierte Polymere genannt. Solche Biokunststoffe unterscheiden sich insofern also erheblich von petrochemisch gewonnenen Kunststoffen wie beispielsweise Polyester. Insbesondere weisen derartige Biokunststoffe eine bessere Umweltbilanz auf.The bioplastic is preferably obtained from renewable raw materials, i.e. based on renewable raw materials. Such bioplastics therefore consist of biologically based plastics or biologically based polymers, also called biobased bioplastics or biobased polymers for short. In this respect, bioplastics of this kind differ considerably from plastics obtained from petrochemicals such as polyester. In particular, such bioplastics have a better environmental balance.

Selbstverständlich kann der Biokunststoff auch lediglich teilweise biobasiert sein.Of course, the bioplastic can also be only partially bio-based.

Bevorzugt sind Ausführungsformen, bei denen wenigstens eines der biobasierten Polymere zumindest ein biobasiertes Polylactid aufweist, insbesondere aus zumindest einem biobasierten Polylactid besteht.Embodiments are preferred in which at least one of the bio-based polymers has at least one bio-based polylactide, in particular consists of at least one bio-based polylactide.

Dies führt zu einer vorteilhaften Stabilität und/oder einer einfachen Herstellung des Behälterkörpers.This leads to an advantageous stability and / or a simple production of the container body.

Als bevorzugt gelten Ausführungsformen, bei denen der Biokunststoff, mit dem das Holzmaterial compoundiert ist, aus zumindest einem Polylactid besteht.Embodiments are considered preferred in which the bioplastic with which the wood material is compounded consists of at least one polylactide.

Die Behälterzusammensetzung weist vorteilhaft als Biokunststoff zumindest ein, insbesondere biobasiertes, Polylactid und als Holzmaterial Lignocellulose auf. Das heißt, dass die Behälterzusammensetzung mit, insbesondere biobasierten, Polylactiden compoundierte Lignocellulose aufweist, wobei die Behälterzusammensetzung bevorzugt im Wesentlichen, d.h. mit Ausnahme von Additiven, aus mit zumindest einem, insbesondere biobasierten, Polylactid compoundierter Lignocellulose besteht.The container composition advantageously has at least one, in particular bio-based, polylactide as the bioplastic and lignocellulose as the wood material. This means that the container composition has lignocellulose compounded with, in particular bio-based, polylactides, the container composition preferably consisting essentially, i.e. with the exception of additives, of lignocellulose compounded with at least one, in particular bio-based, polylactide.

Der Behälterkörper kann also im Wesentlichen aus Lignocellulose hergestellt sein, die mit wenigstens einem Polylactid compoundiert ist.The container body can therefore essentially be made of lignocellulose which is compounded with at least one polylactide.

Das Verhältnis zwischen dem Biokunststoff und dem Holzmaterial in der Behälterzusammensetzung ist prinzipiell beliebig. Bevorzugt ist es, wenn das Holzmaterial zumindest 40%, insbesondere zumindest 45%, beispielsweise 50%, der Behälterzusammensetzung ausmacht. Dies führt zu einer vorteilhaften Stabilität des Behälterkörpers und/oder einer verbesserten biologischen Abbaubarkeit des Behälterkörpers.The ratio between the bioplastic and the wood material in the container composition is in principle arbitrary. It is preferred if the wood material makes up at least 40%, in particular at least 45%, for example 50%, of the container composition. This leads to an advantageous stability of the container body and / or an improved biodegradability of the container body.

Der Behälterkörper kann prinzipiell auf beliebige Weise aus der Behälterzusammensetzung hergestellt sein. Das heißt, dass der Behälterkörper auf beliebige Weise aus dem mit dem Biokunststoff compoundierten Holzmaterial hergestellt sein kann.In principle, the container body can be produced from the container composition in any desired manner. This means that the container body can be produced in any desired manner from the wood material compounded with the bioplastic.

Vorstellbar ist es insbesondere, den Behälterkörper aus der Behälterzusammensetzung durch ein Urformverfahren herzustellen.In particular, it is conceivable to manufacture the container body from the container composition by means of an original molding process.

Bevorzugt sind Varianten, bei denen die Behälterzusammensetzung, insbesondere durch Plastifikation, in einen plastischen Zustand gebracht und der Behälterkörper aus der sich im plastischen Zustand befindenden Behälterzusammensetzung urgeformt wird. Der Behälterkörper ist in diesem Fall also durch Urformen aus dem plastischen Zustand der Behälterzusammensetzung hergestellt.Variants are preferred in which the container composition is brought into a plastic state, in particular by plasticization, and the container body is originally formed from the container composition in the plastic state. The container body is in this case thus produced by primary molding from the plastic state of the container composition.

Besonders vorteilhaft ist es, wenn der Behälterkörper aus der Behälterzusammensetzung spritzgegossen, das heißt durch ein Spritzgussverfahren hergestellt, ist. Dies ermöglicht ein einfaches und/oder präzises Herstellen des Behälterkörpers. Zudem ist es hierdurch möglich, den Behälterkörper dünnwandig, d.h. die Behälterwandung mit geringen Wandstärken, und zugleich ausreichend stabil, herzustellen. Darüber hinaus ist es somit möglich, eine homogene Verteilung der Behälterzusammensetzung im Behälterkörper zu erzielen, die insbesondere zu einer verbesserten Stabilität des Behälterkörpers führt. Auch wird der Austausch von Luft, insbesondere von Sauerstoff, zwischen dem Volumen und der Umgebung und somit zwischen dem Ausgangsstoff im Volumen und der Umgebung vorteilhaft verringert.It is particularly advantageous if the container body is injection molded from the container composition, that is to say produced by an injection molding process. This enables simple and / or precise production of the container body. This also makes it possible to make the container body thin-walled, i.e. the container wall with low wall thicknesses, and at the same time sufficiently stable. In addition, it is thus possible to achieve a homogeneous distribution of the container composition in the container body, which in particular leads to an improved stability of the container body. The exchange of air, in particular oxygen, between the volume and the environment and thus between the starting material in the volume and the environment is advantageously reduced.

Ist der Behälterkörper aus dem plastischen Zustand der Behälterzusammensetzung urgeformt, insbesondere spritzgegossen, kann die Behälterzusammensetzung als Additiv wenigstens ein Flussmittel aufweisen.If the container body is originally formed from the plastic state of the container composition, in particular injection molded, the container composition can have at least one flux as an additive.

Vorstellbar ist es, den Behälterkörper nach dem Urformen, beispielsweise nach dem Gießvorgang, insbesondere nach dem Entfernen des Behälterkörpers aus einem entsprechenden Urformwerkzeug, thermisch zu behandeln. Hierzu wird der Behälterkörper erwärmt, wobei das Erwärmen zweckmäßig in einem vorgegebenen Temperaturbereich und/oder für eine vorgegebene Dauer erfolgt. Dies führt zu einer verbesserten Stabilität, insbesondere einer erhöhten Druckfestigkeit, des Behälterkörpers bei für den Einsatz des Portionskörpers vorgegebenen Bedingungen, insbesondere bei erhöhten Drücken und Temperaturen einer durch den Portionsbehälter strömenden Flüssigkeit, auch bei einer längeren Dauer der Durchströmung der Flüssigkeit, insbesondere von Wasser. Das heißt, dass der Behälterkörper somit gegenüber erhöhten Drücken und Temperaturen im durch den Behälterkörper strömenden Wasser auch stabiler ist, wenn das Wasser für eine längere Dauer durch den Portionsbehälter strömt.It is conceivable to thermally treat the container body after the primary molding, for example after the casting process, in particular after removing the container body from a corresponding primary molding tool. For this purpose, the container body is heated, the heating expediently taking place in a predetermined temperature range and / or for a predetermined duration. This leads to improved stability, in particular increased pressure resistance, of the container body under the conditions specified for the use of the portion body, in particular in the case of increased pressures and temperatures of a liquid flowing through the portion container, even with a longer duration of the flow of the liquid, in particular water. This means that the container body is thus against increased pressures and temperatures in the water flowing through the container body are also more stable when the water flows through the portion container for a longer period of time.

Der Behälterkörper kann prinzipiell eine beliebige Form aufweisen, sofern er das Volumen begrenzt, in dem der Ausgangsstoff bevorratet ist.The container body can in principle have any shape, provided that it limits the volume in which the starting material is stored.

Vorteilhaft ist es, wenn der Behälterkörper als ein Topf mit einem Topfboden und einer zum Topfboden beabstandeten Topföffnung ausgebildet ist. Durch die Topföffnung kann der Ausgangsstoff in den Behälterkörper eingebracht und somit darin bevorratet werden. Zwischen dem Topfboden und der Topföffnung verläuft eine vom Topfboden randseitig und vorzugsweise umlaufend geschlossen abstehende Wandung, die nachfolgend auch als Topfwandung bezeichnet wird und Teil der Behälterwandung ist bzw. diese bildet.It is advantageous if the container body is designed as a pot with a pot bottom and a pot opening spaced from the pot bottom. The starting material can be introduced into the container body through the pot opening and thus stored therein. Between the pot bottom and the pot opening runs a wall which protrudes from the pot bottom on the edge side and is preferably closed all the way round, which wall is also referred to below as the pot wall and is part of the container wall or forms it.

Vorteilhafte Ausführungsformen sehen vor, dass der Behälterkörper eine die Topföffnung umgebende und abstehende, insbesondere gänzlich umlaufende, Schulter aufweist. Die Schulter dient insbesondere dem Zweck, eine Siegelfläche zu bilden, die der Versiegelung des Portionsbehälters bzw. des in den Portionsbehälter eingebrachten Ausgangsstoffs, beispielsweise durch einen Verschluss, dient.Advantageous embodiments provide that the container body has a shoulder surrounding the pot opening and protruding, in particular completely circumferential. The shoulder serves in particular to form a sealing surface which serves to seal the portion container or the starting material introduced into the portion container, for example by means of a closure.

Vorteilhafte Varianten sehen vor, dass auf der dem Boden zugewandten Seite der Schulter eine Dichtung aufgebracht ist, mit der eine entsprechende Dichtwirkung in der Einrichtung erzielt wird. Bevorzugt weist die Dichtung einen Naturgummistoff auf, besteht vorzugsweise aus dem Naturgummistoff. Hierdurch ist neben dem Behälterkörper auch die Dichtung biologisch abbaubar, insbesondere kompostierbar.Advantageous variants provide that a seal is applied to the side of the shoulder facing the floor, with which a corresponding sealing effect is achieved in the device. The seal preferably has a natural rubber material, preferably consists of the natural rubber material. As a result, in addition to the container body, the seal is also biodegradable, in particular compostable.

Die Dichtung ist vorteilhaft in einer Dichtrille angeordnet, welche beispielsweise an die Behälterwandung anschließt. Dies ermöglicht ein präzises und/oder vereinfachtes Anbringen der Dichtung an den Behälterkörper.The seal is advantageously arranged in a sealing groove which, for example, adjoins the container wall. This enables a precise and / or simplified application of the seal to the container body.

Der Naturgummistoff kann prinzipiell ein beliebiger sein. Der Naturgummistoff ist vorzugsweise ein Naturkautschuk bzw. Naturlatex. Somit ist die Dichtung biologisch besser bzw. einfacher abbaubar, insbesondere kompostierbar. Vorteilhaft ist es hierbei, wenn die Dichtung aus Naturkautschuk bzw. Naturlatex besteht.The natural rubber material can in principle be any. The natural rubber is preferably a natural rubber or natural latex. Thus, the seal is biologically better or more easily degradable, in particular compostable. It is advantageous here if the seal consists of natural rubber or natural latex.

Eine Wandstärke bzw. Dicke des Behälterkörpers beträgt vorzugsweise weniger als 3,0 mm, insbesondere 1,0 mm.A wall thickness or thickness of the container body is preferably less than 3.0 mm, in particular 1.0 mm.

Vorteilhafte Ausführungsformen sehen vor, dass der Topfboden wenigstens einen Durchflussabschnitt aufweist, der eine reduzierte Dicke bzw. Wandstärke aufweist. Der Durchflussabschnitt dient dem Zweck, zwecks Zubereitung aus dem Ausgangsstoff Wasser in den Portionsbehälter einzubringen. Somit kann das Einbringen von Wasser in den Portionsbehälter vereinfacht erfolgen.Advantageous embodiments provide that the pot base has at least one flow section which has a reduced thickness or wall thickness. The flow section serves the purpose of introducing water into the portion container for the purpose of preparation from the starting material. The introduction of water into the portion container can thus be carried out in a simplified manner.

In einem Übergangsbereich zwischen dem Topfboden und der davon abstehenden Topfwandung ist vorzugsweise zumindest eine Vertiefung eingebracht. Besagte Vertiefung ist also insbesondere randseitig des Topfbodens angeordnet und nach innen gerichtet. Die Vertiefung führt zu einer erhöhten mechanischen Stabilität des Behälterkörpers. Vorstellbar ist es, mehrere solche Vertiefungen vorzusehen, welche zueinander beabstandet, insbesondere gleichmäßig, angeordnet sind.In a transition area between the pot base and the pot wall protruding therefrom, at least one depression is preferably made. Said depression is therefore arranged in particular on the edge of the pot base and directed inward. The depression leads to increased mechanical stability of the container body. It is conceivable to provide a plurality of such depressions which are spaced apart from one another, in particular evenly, arranged.

Der Portionsbehälter weist zweckmäßig einen den Behälterkörper verschließenden Verschluss auf, der vorteilhaft an der Schulter angebracht ist. Das heißt, dass der Behälterkörper nach dem Einbringen des Ausgangsstoffs durch den Verschluss verschlossen werden kann. Der Verschluss ist vorteilhaft als eine Membran ausgebildet. Somit kann Wasser, welches, beispielsweise durch den Topfboden, insbesondere durch den zumindest einen Durchflussbereich, in den Portionsbehälter eingebacht wurde, durch den Behälterkörper strömen, mit dem Ausgangsstoff wechselwirken und anschließend vereinfacht über in den Verschluss eingebrachte bzw. erzeugte Auslässe aus dem Portionsbehälter strömenThe portion container expediently has a closure which closes the container body and which is advantageously attached to the shoulder. This means that the container body after the introduction of the starting material can be closed by the closure. The closure is advantageously designed as a membrane. Thus, water that has been introduced into the portion container, for example through the bottom of the pot, in particular through the at least one flow area, can flow through the container body, interact with the starting material and then, in a simplified manner, flow out of the portion container via outlets introduced or created in the closure

Bevorzugte Ausführungsformen sehen vor, dass auch der Verschluss biologisch abbaubar ist, so dass der gesamte Portionsbehälter biologisch abbaubar ist.Preferred embodiments provide that the closure is also biodegradable, so that the entire portion container is biodegradable.

Der Verschluss weist vorzugsweise mit Biokunststoff, insbesondere mit biobasiertem Biokunststoff, beschichtete Cellulose auf, besteht insbesondere aus mit Biokunststoff bzw. biobasiertem Kunststoff beschichteter Cellulose. Dies ermöglicht ein stabiles Verschließen des Behälterkörpers. Auch wird somit eine vorteilhafte Barriere für den Luftaustausch, insbesondere für den Sauerstoffaustausch, zwischen dem Volumen und somit dem Ausgangstoff und der Umgebung erreicht. Als bevorzugte Biokunststoffe zum Beschichten der Cellulose kommen, insbesondere biobasierte, Polylactide zum Einsatz.The closure preferably has cellulose coated with bioplastics, in particular with bio-based bioplastics, and in particular consists of cellulose coated with bioplastics or bio-based plastic. This enables a stable closure of the container body. An advantageous barrier for the exchange of air, in particular for the exchange of oxygen, between the volume and thus the starting material and the environment is thus also achieved. Preferred bioplastics for coating the cellulose are, in particular, bio-based polylactides.

Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Further important features and advantages of the invention emerge from the subclaims, from the drawings and from the associated description of the figures on the basis of the drawings.

Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It goes without saying that the features mentioned above and those yet to be explained below can be used not only in the respectively specified combination but also in other combinations without departing from the scope of the present invention.

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden in der nachfolgenden Beschreibung näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder ähnliche oder funktional gleiche Komponenten beziehen.Preferred exemplary embodiments of the invention are shown in the drawings and are explained in more detail in the following description, with the same reference symbols referring to the same or similar or functionally identical components.

Es zeigen, jeweils schematisch:

Fig. 1
eine isometrische Seitenansicht eines Portionsbehälters,
Fig. 2
einen Querschnitt durch den Portionsbehälter,
Fig. 3
eine Sicht auf eine Unterseite des Portionsbehälters ohne Verschluss,
Fig. 4
eine weitere isometrische Ansicht des Portionsbehälters,
Fig. 5
einen Querschnitt durch den Portionsbehälter.
They show, each schematically:
Fig. 1
an isometric side view of a portion container,
Fig. 2
a cross section through the portion container,
Fig. 3
a view of an underside of the portion container without a closure,
Fig. 4
another isometric view of the portion container,
Fig. 5
a cross section through the portion container.

Ein Portionsbehälter 1 wie er beispielsweise in den Fig. 1 bis 5 dargestellt ist, weist einen Behälterkörper 2 auf, der in seinem Inneren ein Volumen 3 begrenzt.A portion container 1 as it is, for example, in the Figs. 1 to 5 is shown, has a container body 2 which delimits a volume 3 in its interior.

Das Volumen 3 dient dem Bevorraten eines nicht gezeigten Ausgangsstoffs, beispielsweise von Kaffee, insbesondere von Kaffeepulver. Im gezeigten Beispiel ist der Portionsbehälter 1 als ein Kapselbehälter 4, insbesondere als eine Kaffeekapsel 5, ausgebildet. Der Behälterkörper 2 weist eine Wandung 6 auf, die nachfolgend auch als Behälterwandung 6 bezeichnet wird und das Volumen 3 begrenzt. Im gezeigten Beispiel ist der Behälterkörper 2 als ein Topf 7 ausgebildet, der einen Topfboden 8, eine vom Topfboden 8 randseitig abstehende und umlaufend geschlossene Wandung 9, nachfolgend auch Topfwandung 9 genannt, und eine vom Topfboden 8 beabstandete, vorliegend dem Topfboden 8 gegenüberliegendem Topföffnung 10 aufweist. Die Topfwandung 9 verläuft zwischen dem Topfboden 8 und der Topföffnung 10. Vorliegend weist die Topfwandung 9 einen im Wesentlichen konischen Verlauf auf, derart, dass sich der Querschnitt des Volumens 3 vom Topfboden 8 hin zur Topföffnung 10 vergrößert. Durch die Topföffnung 10 kann der Ausgangsstoff in den Portionsbehälter 1 eingebracht und darin bevorratet werden. Nach dem Einbringen des Ausgangsstoffs wird die Topföffnung 10 mit Hilfe eines Verschlusses 11 verschlossen, der vorliegend als eine Membran 12 ausgebildet ist.The volume 3 is used to store a starting material (not shown), for example coffee, in particular coffee powder. In the example shown, the portion container 1 is designed as a capsule container 4, in particular as a coffee capsule 5. The container body 2 has a wall 6, which is also referred to below as the container wall 6 and delimits the volume 3. In the example shown, the container body 2 is designed as a pot 7, which has a pot bottom 8, a wall 9 projecting from the pot bottom 8 at the edge and closed all the way around, and a pot opening 10 spaced from the pot bottom 8 and in the present case opposite the pot bottom 8 having. The pot wall 9 runs between the pot bottom 8 and the pot opening 10. In the present case, the The pot wall 9 has an essentially conical shape in such a way that the cross section of the volume 3 increases from the pot bottom 8 towards the pot opening 10. The starting material can be introduced into the portion container 1 through the pot opening 10 and stored therein. After the starting material has been introduced, the pot opening 10 is closed with the aid of a closure 11, which in the present case is designed as a membrane 12.

In Fig. 1 ist dabei eine isometrische Seitenansicht des Portionsbehälters, in Fig. 2 ein Querschnitt durch den Portionsbehälter 1 im Bereich des Topfbodens 8, in Fig. 3 eine untere Ansicht, d.h. eine Ansicht auf die Topföffnung 10, jedoch ohne Verschluss 11, in Fig. 4 eine weitere isometrische Ansicht des Portionsbehälters 1 und in Fig. 5 ein Querschnitt durch den Portionsbehälter 1 im Bereich Topföffnung 1, jedoch ohne Verschluss 11, dargestellt.In Fig. 1 is an isometric side view of the portion container, in Fig. 2 a cross section through the portion container 1 in the area of the pot bottom 8, in Fig. 3 a lower view, ie a view of the pot opening 10, but without the closure 11, in Fig. 4 a further isometric view of the portion container 1 and in Fig. 5 a cross section through the portion container 1 in the area of the pot opening 1, but without the closure 11.

Der Portionsbehälter 1, insbesondere der Behälterkörper 2, weist eine die Topföffnung 10 geschlossen umgebende und von der Topfwandung 9 abstehende Schulter 13 auf. Die Schulter 13 dient insbesondere als Siegelfläche, wenn der Portionsbehälter 1 in einer komplementär ausgebildeten, nicht gezeigten Einrichtung, insbesondere einer Kaffeemaschine, eingesetzt wird. Der als Membran 12 ausgebildete Verschluss 11 ist auf der vom Topfboden 8 abgewandten Seite der Schulter 13 an der Schulter 13, beispielsweise durch Anwendung von Hitze, angebracht, insbesondere verschweißt, und somit fixiert. Der Topfboden 8 weist, wie insbesondere den Fig. 2 und 4 entnommen werden kann, eine hin zum Volumen 3 konkave Form mit einer zentralen, nach innen gerichteten, runden Senkung 14 auf. Im Übergangsbereich zwischen dem Topfboden 8 und der Topfwandung 9 und somit randseitig des Topfbodens 8 sind mehrere nach innen gerichtete Vertiefungen 15 angeordnet, welche zueinander beabstandet und gleichmäßig verteilt angeordnet sind.The portion container 1, in particular the container body 2, has a shoulder 13 which surrounds the pot opening 10 in a closed manner and protrudes from the pot wall 9. The shoulder 13 serves in particular as a sealing surface when the portion container 1 is used in a complementary device, not shown, in particular a coffee machine. The closure 11 embodied as a membrane 12 is attached, in particular welded, and thus fixed on the side of the shoulder 13 facing away from the pot bottom 8 on the shoulder 13, for example by applying heat. The pot bottom 8, like in particular the Fig. 2 and 4th can be removed, a shape concave towards the volume 3 with a central, inwardly directed, round depression 14. In the transition area between the pot base 8 and the pot wall 9 and thus on the edge of the pot base 8, several inwardly directed depressions 15 are arranged, which are spaced apart from one another and are evenly distributed.

Die Topfwandung 9 weist zwischen den Vertiefungen 15 und der Topföffnung 10 eine umlaufende Stufe 16 auf, die nach außen verläuft und somit zu einer Vergrößerung des Behälterkörpers 2 bzw. des Topfs 7 führt. Die Stufe 16 ist dabei als Einfallrippe 17 ausgestaltet.The pot wall 9 has a circumferential step 16 between the depressions 15 and the pot opening 10, which step extends outward and thus leads to an enlargement of the container body 2 or the pot 7. The step 16 is designed as a collapsing rib 17.

Wie insbesondere den Fig. 2 und 3 zu entnehmen ist, ist im Topfboden 8 zwischen den Vertiefungen 15 und der zentralen Senkung 14 zumindest ein Durchflussabschnitt 18 vorgesehen. Im gezeigten Beispiel sind insgesamt vier solche Durchflussabschnitte 18 vorgesehen, die zueinander beabstandet und gleichmäßig angeordnet sind. Der jeweilige Durchflussabschnitt 18 weist dabei eine reduzierte Dicke 19 oder Wandstärke 19 (siehe Fig. 2) auf und ist, wie beispielsweise Fig. 4 entnommen werden kann, von außen nicht sichtbar. Die Durchflussabschnitte 18 dienen dem Zweck, zur Zubereitung von einem Getränk, insbesondere von Kaffee, aus dem Ausgangsstoff benötigtes Wasser in den Portionsbehälter 1 einzubringen. Sie ermöglichen es, insbesondere durch die verringerte Dicke 19, dass das Wasser vereinfacht in den Portionsbehälter 1 eingebracht werden kann. Das eingebrachte Wasser passiert durch den Ausgangsstoff und dringt anschließend über die Topföffnung 10 und den Verschluss 11 aus dem Portionsbehälter 1 und kann anschließend ausgegeben werden. Zum Durchdringen des Verschlusses 11 wird dieser in der Einrichtung mit nicht gezeigten Auslässen versehen, die in den Verschluss mechanisch und/oder durch den Druck im Wasser eingebracht werden.Like the one in particular Fig. 2 and 3 As can be seen, at least one flow section 18 is provided in the pot bottom 8 between the depressions 15 and the central depression 14. In the example shown, a total of four such flow-through sections 18 are provided, which are spaced apart from one another and are arranged uniformly. The respective flow section 18 has a reduced thickness 19 or wall thickness 19 (see FIG Fig. 2 ) and is, such as Fig. 4 can be removed, not visible from the outside. The flow-through sections 18 serve the purpose of introducing water required from the starting material into the portion container 1 for the preparation of a drink, in particular coffee. They make it possible, in particular due to the reduced thickness 19, that the water can be introduced into the portion container 1 in a simplified manner. The introduced water passes through the starting material and then penetrates through the pot opening 10 and the closure 11 from the portion container 1 and can then be dispensed. In order to penetrate the closure 11, it is provided in the device with outlets (not shown) which are introduced into the closure mechanically and / or by the pressure in the water.

Die Dicke oder Wandstärke 19 der Behälterwandung 6 bzw. der Topfwandung 9 beträgt vorzugsweise weniger als 3 mm, insbesondere 1 mm. Dementsprechend ist die Dicke in dem jeweiligen Durchflussabschnitt 18 kleiner, insbesondere kleiner als 1,0 mm.The thickness or wall thickness 19 of the container wall 6 or the pot wall 9 is preferably less than 3 mm, in particular 1 mm. Accordingly, the thickness in the respective throughflow section 18 is smaller, in particular smaller than 1.0 mm.

Wie insbesondere Fig. 4 und Fig. 5 entnommen werden kann, ist auf der dem Topfboden 8 zugewandten Seite der Schulter 13 an der Topfwandung 9 angrenzend eine umlaufende Rille 20 ausgebildet, die nachfolgend auch als Innenrille 20 bezeichnet wird. Insbesondere Fig. 5 kann entnommen werden, dass die Schulter 13 an ihrem von der Topföffnung 10 entfernten Ende eine hin zum Topfboden 8 gerichtete, umlaufende Zunge 22 aufweist. Somit ist zwischen der Innenrille 20 und der Zunge 22 eine dem Verlauf der Innenrille 20 folgende und der Innenrille 20 benachbarte weitere Rille 23, nachfolgend auch als Außenrille 23 bezeichnet, ausgebildet.How in particular FIGS. 4 and 5 can be removed, a circumferential groove 20 is formed on the side of the shoulder 13 facing the pot bottom 8 and adjoining the pot wall 9, which is also referred to below as the inner groove 20. In particular Fig. 5 It can be seen that the shoulder 13 has a circumferential tongue 22 directed towards the pot bottom 8 at its end remote from the pot opening 10. Thus, between the inner groove 20 and the tongue 22, a further groove 23, which follows the course of the inner groove 20 and is adjacent to the inner groove 20, hereinafter also referred to as the outer groove 23, is formed.

Der Behälterkörper 2 ist aus einer Behälterzusammensetzung, vorzugsweise durch Urformen aus einem plastischen Zustand der Behälterzusammensetzung, vorteilhaft durch Spritzgießen, hergestellt. Die Behälterzusammensetzung weist ein Holzmaterial, bevorzugt Lignocellulose, auf, welches mit einem Biokunststoff, vorzugsweise mit einem biobasierten Biokunststoff, besonders bevorzugt mit zumindest einem biobasierten Polylactid, compoundiert ist, wobei die Behälterzusammensetzung bevorzugt im Wesentlichen aus dem mit dem Biokunststoff compoundierten Holzmaterial besteht. Das heißt, dass der Behälterkörper 2 bevorzugt durch Spritzgießen von einem Holzfaser-Biokunststoff-Compound als Behälterzusammensetzung hergestellt sein kann. Bevorzugt ist der Behälterkörper 2 durch Spritzgießen von mit zumindest einem biobasierten Polylactid compoundierter Lignocellulose hergestellt. Vorstellbar ist es, den Behälterkörper 2 nach dem Spritzgießen thermisch zu behandeln, d.h. für eine vorgegebene Zeit bei einer vorgegebenen Temperatur, zu erwärmen. Somit kann eine verbesserte Stabilität, des Behälterkörpers 2, insbesondere eine erhöhte Druckfestigkeit unter erhöhten Temperaturen und Drücken und bei längerer Einwirkung, erreicht werden.The container body 2 is made from a container composition, preferably by molding from a plastic state of the container composition, advantageously by injection molding. The container composition has a wood material, preferably lignocellulose, which is compounded with a bioplastic, preferably with a bio-based bioplastic, particularly preferably with at least one bio-based polylactide, the container composition preferably consisting essentially of the wood material compounded with the bioplastic. This means that the container body 2 can preferably be produced by injection molding from a wood fiber-bioplastic compound as the container composition. The container body 2 is preferably produced by injection molding of lignocellulose compounded with at least one bio-based polylactide. It is conceivable to thermally treat the container body 2 after the injection molding, i.e. to heat it for a predetermined time at a predetermined temperature. Thus, an improved stability of the container body 2, in particular an increased compressive strength under elevated temperatures and pressures and with prolonged exposure, can be achieved.

Der als Membran 12 ausgebildete Verschluss 11 weist Cellulose auf, welche mit einem Biopolymer, vorzugsweise zumindest einem Polylactid, beschichtet ist, wobei der Verschluss 11 insbesondere daraus besteht. Das heißt, dass der Verschluss aus mit zumindest einem Polylactid beschichteter Cellulose bestehen kann.The closure 11 designed as a membrane 12 has cellulose which is coated with a biopolymer, preferably at least one polylactide, wherein the closure 11 in particular consists of it. This means that the closure can consist of cellulose coated with at least one polylactide.

In der Innenrille 20 ist eine umlaufende Dichtung 21 aufgebracht, die vorzugsweise aus einem Naturgummistoff, besonders bevorzugt aus Naturkautschuk bzw. Naturlatex, besteht. Die Dichtung 21 ist in den Fig. 4 und 5 transparent dargestellt, so dass auch die Innenrille 20 sichtbar ist. Vorstellbar ist es, auch in der Außenrille 23 eine Dichtung 21 aufzubringen, wobei bevorzugt lediglich in der Innenrille 20 eine Dichtung 21 aufgebracht ist.In the inner groove 20, a circumferential seal 21 is applied, which preferably consists of a natural rubber material, particularly preferably of natural rubber or natural latex. The seal 21 is in the Figures 4 and 5 shown as transparent, so that the inner groove 20 is also visible. It is conceivable to apply a seal 21 also in the outer groove 23, a seal 21 preferably only being applied in the inner groove 20.

Somit ist der gesamte Portionsbehälter 1 biologisch abbaubar, insbesondere kompostierbar.The entire portion container 1 is thus biodegradable, in particular compostable.

Claims (14)

  1. Portion container (1) for storing a starting material, in particular for preparing a beverage from a beverage starting material by flowing water through the portion container (1), with a container body (2), which defines a volume (3) for storing the starting material and is produced from a container composition,
    characterised in
    that the container composition has a wood material compounded with a bioplastic.
  2. Portion container according to claim 1,
    characterised in
    that the wood material has lignocellulose, in particular consists of lignocellulose.
  3. Portion container according to claim 1 or 2,
    characterised in
    that the bioplastic has at least one bio-based polymer, in particular consists of at least one bio-based polymer.
  4. Portion container according to claim 3,
    characterised in
    that at least one of the bio-based polymers has at least one polylactide, in particular consists of at least one polylactide.
  5. Portion container according to any of claims 1 to 4,
    characterised in
    that the container body (2) consists of at least 40%, in particular at least 50%, of the wood material.
  6. Portion container according to any of claims 1 to 5,
    characterised in
    that the container body (2) is originally formed from the plastic state of the container composition.
  7. Portion container according to claim 6,
    characterised in
    that the container body (2) is injection moulded from the container composition.
  8. Portion container according to any of claims 1 to 7,
    characterised in
    that the container body (2) is configured as a cup (7) with a cup base (8) and a cup opening (10) spaced apart from the cup base (8).
  9. Portion container according to claim 8,
    characterised in
    - that the container body (2) has a shoulder (13) surrounding and protruding from the cup opening (10),
    - that on the side of the shoulder (13) facing the cup base (8) a seal (21) is applied which has a natural rubber material, in particular consists of natural rubber material.
  10. Portion container according to claim 9,
    characterised in
    that the natural rubber material has natural rubber, in particular consists of natural rubber.
  11. Portion container according to any of claims 8 to 10,
    characterised in
    that the cup base (8) has at least one throughflow section (18), which has a smaller thickness (19) compared to the rest of the cup base (8).
  12. Portion container according to any of claims 8 to 11,
    characterised in
    that the container body (2) has on the edge of the cup base (8) at least one inwardly directed depression (15).
  13. Portion container according to any of claims 1 to 12,
    characterised in
    - that the portion container (1) has a closure (10) closing the container body (2), in particular a membrane (11),
    - the closure (10) has cellulose coated with bioplastic, in particular consists of cellulose coated with bioplastic.
  14. Portion container according to claim 13,
    characterised in
    that the bioplastic has at least one polylactide, in particular consists of at least one polylactide.
EP19152780.3A 2018-01-25 2019-01-21 Portion container Active EP3517458B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018201187.7A DE102018201187B3 (en) 2018-01-25 2018-01-25 Portion container made of wood material compounded with bioplastic

Publications (2)

Publication Number Publication Date
EP3517458A1 EP3517458A1 (en) 2019-07-31
EP3517458B1 true EP3517458B1 (en) 2021-09-15

Family

ID=65138886

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19152780.3A Active EP3517458B1 (en) 2018-01-25 2019-01-21 Portion container

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Country Link
EP (1) EP3517458B1 (en)
DE (1) DE102018201187B3 (en)
ES (1) ES2899705T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4019430A1 (en) 2020-12-22 2022-06-29 Delica AG Capsule, method and system for preparing a beverage
TW202315822A (en) * 2021-09-30 2023-04-16 瑞士商雀巢製品股份有限公司 Beverage or foodstuff preparation system
TW202322735A (en) * 2021-09-30 2023-06-16 瑞士商雀巢製品股份有限公司 Beverage or foodstuff container and preparation system
TW202327498A (en) * 2021-09-30 2023-07-16 瑞士商雀巢製品股份有限公司 Beverage or foodstuff preparation system
TW202329857A (en) * 2021-09-30 2023-08-01 瑞士商雀巢製品股份有限公司 Beverage or foodstuff preparation system
TW202329858A (en) * 2021-09-30 2023-08-01 瑞士商雀巢製品股份有限公司 Beverage or foodstuff preparation system
EP4183257A1 (en) 2021-11-19 2023-05-24 Delica AG Method of making a compostable beverage capsule
EP4360462A1 (en) 2022-10-31 2024-05-01 Delica AG Compostable capsule and preparation thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2284101T3 (en) * 2009-08-05 2012-02-29 Nestec Sa Capsule with relief-shaped sealing member
EP2287090B1 (en) 2009-08-19 2013-05-29 Nestec S.A. Capsule for the preparation of a coffee extract having a structure facilitating perforation for injection of water
CN103958368B (en) 2011-11-14 2017-11-24 Spc向日葵塑料复合有限责任公司 Biocomposite material or biomaterial with sunflower seed shell/crust
BR112015025796A2 (en) * 2013-04-10 2017-07-25 Tuttoespresso Srl beverage preparation capsule and beverage preparation system
DE102014004184A1 (en) 2014-03-22 2015-09-24 Daimler Ag Occupant protection device for a vehicle and vehicle
FR3035085B1 (en) * 2015-04-20 2017-04-21 Vegeplast BIODEGRADABLE CAPSULE AND METHOD FOR MANUFACTURING THE SAME
HUE039356T2 (en) 2015-07-07 2018-12-28 Swiss Coffee Innovation Ag Capsule containing beverage powder, particularly for preparing brewed coffee
CA3014093C (en) 2016-02-24 2023-03-28 Ecoinno (H.K.) Limited Cellulose materials and methods of making and using same
DE102016107654A1 (en) 2016-04-25 2017-10-26 Spc Sunflower Plastic Compound Gmbh Process for producing a bio-plastic product
DE102016112135A1 (en) 2016-07-01 2018-01-04 Bbc Bremer Bagasse Company Gmbh & Co. Kg Portion container for extractable substances for making a beverage
DE202017005008U1 (en) 2017-09-27 2017-10-25 Patrick Frieder Volk Coffee capsules made of arbor

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Publication number Publication date
DE102018201187B3 (en) 2019-04-04
EP3517458A1 (en) 2019-07-31
ES2899705T3 (en) 2022-03-14

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