EP3166872A1 - Capsule with a preferably rotationally symmetrical capsule body - Google Patents
Capsule with a preferably rotationally symmetrical capsule bodyInfo
- Publication number
- EP3166872A1 EP3166872A1 EP15728888.7A EP15728888A EP3166872A1 EP 3166872 A1 EP3166872 A1 EP 3166872A1 EP 15728888 A EP15728888 A EP 15728888A EP 3166872 A1 EP3166872 A1 EP 3166872A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- capsule
- inner cup
- collar
- side wall
- indicates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
- B65D85/8043—Packages adapted to allow liquid to pass through the contents
- B65D85/8052—Details of the outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
- B65D85/8043—Packages adapted to allow liquid to pass through the contents
- B65D85/8061—Filters
Definitions
- the present invention relates to a capsule with a front ⁇ preferably rotationally symmetrical capsule body according to the preamble of claim 1.
- Such capsules found today in particular for the preparation of coffee or coffee based drinks ⁇ widely used.
- the capsule forms a portion package for the transport and storage of the substance contained therein and at the same time the design of the capsule plays an important role in the preparation of the beverage in a corresponding beverage preparation machine.
- Such machines usually work with a high operating pressure, depending on the type of preparation and substance, the flow behavior of the liquid in the capsule plays an important role.
- the opening of the capsule at the inlet side ⁇ A is usually carried out by penetration of the lid when enclosing the capsule in the beverage preparation machine. On the exit side, the opening of the capsule can also be done by penetration. But it is also conceivable opening by tearing a bursting or opening a valve under pressure.
- a capsule according to the invention with a preferably rotationally symmetrical ⁇ capsule body having a side wall and having an in particular integral with said bottom is provided with a lid covering the capsule body to form at least one chamber.
- the lid For the passage of a liquid through the chamber, the lid forming a one ⁇ inlet side and the bottom side an outlet with a preferential example ⁇ central outlet opening.
- a separate inner cup covering the outlet opening and permeable by liquid, is held in the capsule containing a substance for the preparation of a liquid food.
- the bottom and the inner cup have mutually corresponding sealing surfaces which, when a hydraulic see pressure in the inner cup against each other are pressed.
- the bottom may have, for example, a circular receptacle or a receiving shoulder on which the inner cup is held in a positionally stable manner, in particular latched or inserted.
- Such accumulation cam allows in particular ei ⁇ ne stable storage without the outer wall of the capsule impressive ⁇ will adversely.
- the sealing surface of the réellebe ⁇ cher rests on the sealing surface of the bottom, a stable storage of the inner cup is ensured.
- the inner cup may be spaced from the sidewall such that a circumferential cavity is formed.
- the size of the cavity is thereby by the configuration of the capsule body and determined by the size of the inner cup.
- the size of the inner cup is dependent on the type of beverage, wel ⁇ ches to be made with the capsule.
- the cavity between ⁇ side wall of the capsule body and inner cup allows easier installation of the inner cup in the capsule body.
- the inner cup may have a collar spaced from the lid, which extends to the side wall of the capsule body ⁇ he stretched.
- a collar allows a particularly simple and precise positioning of the inner cup in the capsule body.
- a collar increases the attack surface of the hyd ⁇ raulischen pressure, so that results in a greater force, wel ⁇ che presses the sealing surface of the inner cup to the sealing surface of the Bo ⁇ dens of the capsule body. Accordingly, the Dichtwir ⁇ kung can be improved by such a collar.
- the collar can be perforated.
- the action of the collar is particularly required at the beginning of the injection of the liquid to achieve the sealing effect.
- the cavity is also filled with liquid, so that there is a pressure equilibrium inside and outside the inner cup.
- a defective deformation of the inner cup is prevented by simple means.
- the collar may comprise at least one hole, in particular at least 2, preferably 10 to 100 holes with a hole diameter of 0.1 mm to 0.7 mm.
- the holes may be evenly distributed on the surface of the collar.
- the collar may have a base area which is at least 5%, in particular 25%, preferably 50%, of the base area of the capsule body ⁇ .
- the additional resulting force can be influenced, which is achieved by the surface of the collar.
- surface verstan ⁇ the, which is formed in a view of the capsule from above through the collar. It is the hydraulically effective surface.
- Under the base of the capsule body is correspondingly understood that surface which is visible in an on ⁇ view from above the capsule body.
- the base surface is of course only that surface which is arranged within a possibly peripheral edge of the capsule ⁇ body. Again, this is the hydraulically effective surface. It goes without saying that the size of the collar the size of the inner cup reliert kor ⁇ .
- the collar can be supported on the side wall.
- the collar may have a support edge, which corresponds to a support surface of the side wall.
- the side wall of the capsule body in the interior have a step with an on ⁇ bearing surface.
- the collar may be provided with a collar edge which extends the outer end of the collar towards the lid.
- the collar edge runs parallel to the corresponding region of the side wall of the capsule body.
- Such a collar edge additionally improves the sealing effect between collar and side wall.
- the inner cup can be open at the top. Characterized in that the inner cup is open at the top, it is ensured that regardless of the place of injection or puncture of the lid each of the injected liquid can get into the inner cup.
- the inner cup may have a cylindrical inner shape.
- a cylindrical inner shape can be made very easily who ⁇ .
- cylindrical is understood that in a cross section along the longitudinal axis through the inner cup, the side wall left and right of the longitudinal axis relative to the longitudinal ⁇ axis less than 5 ° are inclined.
- the volume of the inner cup can maximally 90%, in particular ma ⁇ ximal 75%, preferably a maximum of 50% of the total amount of the capsule.
- This ratio can be adjusted in the capsule body, for example, by the Substituted ⁇ staltung the side wall of the capsule body, through which Ausgestal ⁇ for, or selection of the size of the inner cup or through the posi tioning ⁇ of the collar.
- the inner cup may have a filter bottom.
- a filter bottom in the inner cup, coffee powder or tea can be used in particular as a substance, wherein the filter bottom holds back the coffee powder or tea leaves during the preparation of the beverage.
- the inner cup can reach to the lid.
- the fact that the inner cup extends to the lid it can be ensured in particular during the trans ⁇ port of the capsule, that the substance for the preparation of the drink is only in the inner cup.
- a Contamination of the space outside the inner cup is avoided ver ⁇ .
- contamination of the piercing agent with the substance is thus prevented.
- the lid may be detachably connected to the inner cup. This provides additional security against contamination of the space outside the inner cup. It is mistaken ⁇ Levant, whether the fluid is injected under pressure directly into the inner sleeve or in the space outside of the inner cup. As a result of the detachable connection, when the liquid under pressure is injected, the cover is detached from the inner cup by the resulting pressure, with the result that the injected liquid is distributed both in the inner cup and in the space outside the inner cup. Accordingly, the hydraulic pressure will be effective in the area of the inner cup and in the region of the collar.
- the inner cup may be connected by means of a snap connection with the capsule body.
- a snap connection can be easily made and guarantees a firm connection between inner cup and capsule body.
- this snap connection must not be designed dense, since the seal is ensured by the two corresponding sealing surfaces.
- the snap connection can also be segmented ⁇ staltet, ie the snap connection must not be configured circumferentially closed.
- a central snap connection or a centrally arranged press fit is conceivable, which ensures the mechanical positioning.
- Figure 1 a schematic representation of an inventive
- FIG. 2 shows the capsule according to Figure 1 with the injection of a liquid under pressure and the resultie ⁇ Rende beverage are indicated by arrows
- Figure 3 another embodiment of an inventive
- Figure 4 the capsule of Figure 2 with indicated liquid ⁇ path
- Figure 5 another embodiment of an inventive
- the capsule body 2 has a rotationally symmetrical conical side wall 3 and a ge ⁇ classified capsule base 4 on.
- the capsule bottom is additionally provided with an outlet opening 8, through which a prepared beverage can escape from the capsule.
- the capsule body 2 is closed with a lid 5, usually in the form of a thin film. Through the lid 5 and the capsule body 2 a sealed chamber 6 is formed.
- the inner cup 9 is arranged.
- the interior cup 9 has a filter bottom 15.
- the inner sleeve 9 on its underside, facing the bottom 4 of the Cape ⁇ sel stressess 2, with a snap device verse ⁇ hen, which is provided with latching elements 19th
- This locking elements 19 is used for snapping attachment of the inner cup 9 in a recess 16 of the bottom 4, wherein the recess 16 has a receiving shoulder 17, which is provided with a locking groove 18.
- the locking elements 19 of the inner cup 9 can thus engage in the locking groove 18.
- such a latching connection can not ensure a tight connection between inner cup and bottom of the capsule body.
- the inner cup 9 is designed substantially smaller than the capsule body 2, so that circumferentially around the inner cup 9, a cavity 12 is formed.
- This cavity 12 is limited at its upper, the cover 5 end facing by the collar 10 of the inner cup 9.
- the cavity 12 is substantially through the bottom 4 and a sealing surface 14th limited.
- the collar 10 is perforated and has corresponding perforation openings 11, which are preferably arranged at regular intervals around the inner cup 9 around.
- the inner sleeve 9 is on its underside, ie on the floor 4 of the capsule body 2 supplied ⁇ facing side, provided with a sealing surface 13 which According to the invention operates with the sealing surface 14 of the capsule body 2 together ⁇ .
- the capsule body In order to facilitate the attachment of the lid 5 to the capsule body 2, the capsule body in a known manner to a peripheral edge 20 or flange.
- FIG. 2 shows the capsule 1 according to FIG. 1, the path of the injected liquid being shown from the injection through the cover 5 to the exit on the outlet opening 8.
- a pressure PI will immediately form inside the inner cup 9 as well as in the area between the lid 5 and the collar 10.
- This hydraulic pressure PI will result in the entire area of Fl, which corresponds substantially to the total area of the capsule, and einwir ⁇ ken in a force Kl.
- the injected liquid ⁇ speed or a portion of the injected liquid through the perforation openings 11 of the collar 10 into the cavity 12 and reach this fill up.
- the pressure P2 in this cavity 12 will also be equal to the pressure PI.
- the effective base area which develops a force effect together with the hydraulic ⁇ pressure PI, reduce, so that this only corresponds to the base area F2 of the inner cup.
- the resulting force K2 will be correspondingly smaller ⁇ than the force Kl at the beginning of the injection process. Since the gap between the sealing surface 13 of the inner cup 9 and the However, sealing surface 14 of the bottom 4 is already closed, the now available force K2, however, is sufficient to maintain the sealing effect.
- FIGS. 3 and 4 show a further embodiment of a capsule 1 according to the invention.
- this capsule 1 differs only by the configuration of the inner cup 9 of the capsule according to Figures 1 and 2. Accordingly, the same reference numerals as in Figures 1 and 2 are used.
- the inner cup 9 is configured slightly conical, so that the volume of the substance 7 received in the inner cup 9 is further reduced compared to the embodiment according to FIGS. 1 and 2.
- the inner cup 9 in the bottom area in addition to a circumferential flange 21, which extends to the side wall 3 of the capsule body 2. Accordingly, the sealing surface 13 of the inner cup 9 is arranged on this flange 21 and cooperates in a known manner with the sealing surface 14 of the capsule body 2.
- FIG. 5 shows a further embodiment of a capsule 1 according to the invention in a cutaway perspective view.
- the capsule 1 in turn has a capsule body 2 and an inner cup 9.
- a step 25 is formed in the side wall 3 of the capsule body 2, which forms a bearing surface 26 on the inner ⁇ side.
- On this bearing surface 26 of the collar 10 is located with a support edge 23.
- This Kom ⁇ bination of support edge 23 and support surface 26 enhances the sealing action between the collar 10 and the side wall 3 of the capsule body 2.
- This sealing effect is especially at the beginning of a ⁇ spraying needed to ensure the sealing effect between the two sealing surfaces 13, 14 (see Figures 1 to 4).
- the collar 10 is further equipped with a collar edge 24, wel ⁇ cher the outer end of the collar 10 in the direction of the lid 5 (see Figures 1 to 4) extended. Also, this collar edge 24 is the improved seal at the beginning of the injection.
- the collar edge 24 lies flat against the side wall 3 of the Cape ⁇ sel stressess. 2
- the inner cup 9 is further provided with a cup rim 22, which allows the inner cup 9 over the collar 10 to the lid 5 (see Figures 1 to 4) rich.
- the lid may be sealed on the cup edge 22 or only rest loosely.
- at least one Einlassöff ⁇ voltage 27 is provided in the cup edge.
- This inlet opening 27 can be designed as a vertical slot, as shown in Figure 5, as a horizontal slot, as a bore or in any other form.
- two, three or more such inlet openings 27, preferably circulating in a regular distance, in the cup rim 22 can be arranged ⁇ .
- the filter bottom 15 of the inner cup 9 has a plurality of rib-Verstär ⁇ kung 28th These reinforcing ribs 28 ensure that the filter bottom 15 can not deform excessively when applied injection pressure.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Making Beverages (AREA)
- Packages (AREA)
Abstract
Description
Kapsel mit einem vorzugsweise rotationssymmetrisch ausgebildeten Kapselkörper Capsule with a preferably rotationally symmetrical capsule body
Die vorliegende Erfindung betrifft eine Kapsel mit einem vor¬ zugsweise rotationssymmetrisch ausgebildeten Kapselkörper gemäss dem Oberbegriff von Anspruch 1. Derartige Kapseln finden heute insbesondere für die Zubereitung von Kaffee oder von Kaffee¬ mischgetränken verbreitet Anwendung. The present invention relates to a capsule with a front ¬ preferably rotationally symmetrical capsule body according to the preamble of claim 1. Such capsules found today in particular for the preparation of coffee or coffee based drinks ¬ widely used.
Die Kapsel bildet eine Portionenverpackung für den Transport und für die Lagerung der darin enthaltenen Substanz und gleichzeitig spielt die Ausgestaltung der Kapsel eine wichtige Rolle bei der Zubereitung des Getränks in einer entsprechenden Getränkezubereitungsmaschine. Derartige Maschinen arbeiten in der Regel mit einem hohen Betriebsdruck, wobei je nach Zubereitungsart und Substanz das Strömungsverhalten der Flüssigkeit in der Kapsel eine bedeutende Rolle spielt. Das Öffnen der Kapsel auf der Ein¬ trittsseite erfolgt üblicherweise durch Penetration des Deckels beim Einschliessen der Kapsel in die Getränkezubereitungsmaschine. Auf der Austrittsseite kann die Öffnung der Kapsel ebenfalls durch Penetration erfolgen. Denkbar ist aber auch eine Öffnung durch Zerreissen einer Berstfolie oder durch Öffnen eines Ventils unter Druckeinwirkung. The capsule forms a portion package for the transport and storage of the substance contained therein and at the same time the design of the capsule plays an important role in the preparation of the beverage in a corresponding beverage preparation machine. Such machines usually work with a high operating pressure, depending on the type of preparation and substance, the flow behavior of the liquid in the capsule plays an important role. The opening of the capsule at the inlet side ¬ A is usually carried out by penetration of the lid when enclosing the capsule in the beverage preparation machine. On the exit side, the opening of the capsule can also be done by penetration. But it is also conceivable opening by tearing a bursting or opening a valve under pressure.
Es ist grundsätzlich bereits bekannt, das Volumen der zu extra¬ hierenden Substanz kleiner zu wählen als das Innenvolumen der Kapsel. Dabei stellt sich jedoch insbesondere die Problematik, dass beim Einspritzen der Flüssigkeit unter Druck die Substanz aufgewirbelt wird, was zu einem teilweise unerwünschten Extrak¬ tionsverhalten führen kann. Um diesem Problem entgegen zu wirken, ist es beispielsweise bekannt, die Substanz nur bis zu ei¬ nem gewissen Füllgrad einzufüllen und durch Einfügen einer durchlässigen Zwischenwand unter Druck zu halten, siehe bei- spielsweise EP 1 784 344 Bl . Eine solche Lösung ist in der Herstellung jedoch kompliziert zu realisieren und mit den entsprechenden Kosten verbunden. It is already known in principle, to choose the volume to be extracted here ¬ substance less than the internal volume of the capsule. In this case, however, in particular the problem arises that when injecting the liquid under pressure, the substance is fluidized, which can lead to a partially undesirable Extrak ¬ tion behavior. To counteract this problem, it is known, for example, only to ei ¬ nem certain degree of filling to fill the substance and to hold by inserting a transparent partition under pressure, see example For example, EP 1 784 344 Bl. However, such a solution is complicated to manufacture and associated with the corresponding costs.
Ebenso ist es bekannt, eine Kapsel mit einem in der Kapsel ange¬ ordneten inneren Becher zur Reduktion des Substanzvolumens zu benutzen. Solche Kapseln sind jedoch, insbesondere wenn diese einteilig ausgestaltet sind, in der Herstellung aufwändig. Eine zweiteilige Herstellung bedingt jedoch eine aufwändige Dichtung zwischen Innenbecher und Auslauf um zu gewährleisten, dass kein eingespritztes Wasser ohne den Substanzkuchen zu durchlaufen aus der Kapsel leckt. It is also known to use a capsule with a ¬ be arranged in the capsule interior cup for the reduction of substance volume. However, such capsules, especially if they are designed in one piece, are expensive to manufacture. However, a two-part production requires a complex seal between inner cup and spout to ensure that no injected water without passing through the substance cake from the capsule licks.
Es ist eine Aufgabe der Erfindung, eine zweiteilige Kapsel ohne eine aufwändige Dichtung zu schaffen, bei der ein reduziertes Substanzvolumen problemlos durchströmt wird und welche eine hohe Qualität des zubereiteten Getränks gewährleisten kann. Diese Aufgabe wird mit einer Kapsel gelöst, welche die Merkmale von Anspruch 1 aufweist. It is an object of the invention to provide a two-part capsule without a complicated seal in which a reduced volume of substance is easily flowed through and which can ensure a high quality of the prepared drink. This object is achieved with a capsule which has the features of claim 1.
Eine erfindungsgemässe Kapsel mit einem vorzugsweise rotations¬ symmetrisch ausgebildeten Kapselkörper mit einer Seitenwand und mit einem insbesondere einstückig mit dieser ausgebildeten Boden ist mit einem den Kapselkörper abdeckenden Deckel zur Bildung wenigstens einer Kammer versehen. Für die Durchleitung einer Flüssigkeit durch die Kammer bilden der Deckel eine Ein¬ trittsseite und der Boden eine Austrittsseite mit einer vorzugs¬ weise zentralen AuslaufÖffnung . Über dem Boden ist ein separater, die AuslaufÖffnung abdeckender und von Flüssigkeit durchströmbarer Innenbecher in der Kapsel gehalten, welcher eine Substanz für die Zubereitung eines flüssigen Lebensmittels enthält. Dabei weisen der Boden und der Innenbecher zueinander korrespondierende Dichtflächen auf, welche bei Anliegen eines hydrauli- sehen Druckes im Innenbecher gegeneinander pressbar sind. Es entsteht somit eine Dichtung zwischen Innenbecher und Boden, so dass eine eingespritzte Flüssigkeit lediglich durch den Becher und anschliessend durch die AuslaufÖffnung die Kapsel verlassen kann. Der Boden kann eine beispielsweise kreisförmige Aufnahme oder eine Aufnahmeschulter aufweisen, an der der Innenbecher lagestabil gehalten, insbesondere eingerastet oder eingesteckt ist. Eine solche Aufnahmeschulter erlaubt dabei insbesondere ei¬ ne stabile Lagerung ohne dass die Aussenwand der Kapsel beein¬ trächtigt wird. Insbesondere wenn die Dichtfläche des Innenbe¬ chers auf der Dichtfläche des Bodens aufliegt, ist eine stabile Lagerung des Innenbechers gewährleistet. Die für das Festhalten des Innenbechers in der Kapsel üblicherweise verwendeten A capsule according to the invention with a preferably rotationally symmetrical ¬ capsule body having a side wall and having an in particular integral with said bottom is provided with a lid covering the capsule body to form at least one chamber. For the passage of a liquid through the chamber, the lid forming a one ¬ inlet side and the bottom side an outlet with a preferential example ¬ central outlet opening. Above the bottom, a separate inner cup, covering the outlet opening and permeable by liquid, is held in the capsule containing a substance for the preparation of a liquid food. In this case, the bottom and the inner cup have mutually corresponding sealing surfaces which, when a hydraulic see pressure in the inner cup against each other are pressed. It thus creates a seal between the inner cup and the bottom, so that an injected liquid can leave the capsule only through the cup and then through the outlet opening. The bottom may have, for example, a circular receptacle or a receiving shoulder on which the inner cup is held in a positionally stable manner, in particular latched or inserted. Such accumulation cam allows in particular ei ¬ ne stable storage without the outer wall of the capsule impressive ¬ will adversely. In particular, when the sealing surface of the Innenbe ¬ cher rests on the sealing surface of the bottom, a stable storage of the inner cup is ensured. The ones commonly used for holding the inner cup in the capsule
Schnappverbindungen sind wie allgemein bekannt meist mit einem Spiel versehen, und können insbesondere nicht zuverlässig und dicht ausgestaltet werden. Durch die Verwendung zueinander korrespondierender Dichtflächen zwischen Innenbecher und Boden des Kapselkörpers kann jedoch eine dichte Verbindung bei Anliegen des hydraulischen Druckes gewährleistet werden. Ein solcher hydraulischer Druck entsteht dann, wenn beim Zubereiten eines Getränks der Deckel durchstochen und eine Flüssigkeit unter Druck in die Kapsel eingespritzt wird. Die im Innenbecher vorhandene Substanz wird automatisch einen Strömungswiderstand bilden, so dass sich ein Innendruck aufbaut. Dieser Innendruck oder hydraulische Druck resultiert in einer Kraft, durch welche der Innen¬ becher mit seiner Dichtfläche auf die Dichtfläche des Bodens ge¬ drückt wird. Dabei versteht sich von selbst, dass der Boden des Innenbechers derart ausgestaltet sein muss, dass dieser die Sub¬ stanz zurückhalten kann. As is generally known, snap connections are usually provided with a clearance, and in particular can not be made reliable and dense. By using mutually corresponding sealing surfaces between inner cup and bottom of the capsule body, however, a tight connection can be ensured in the presence of hydraulic pressure. Such a hydraulic pressure arises when the lid is pierced during the preparation of a drink and a liquid is injected under pressure into the capsule. The substance present in the inner cup will automatically form a flow resistance, so that an internal pressure builds up. This internal pressure or hydraulic pressure results in a force by which the inner ¬ cup is ge ¬ presses with its sealing surface on the sealing surface of the soil. In this case, it goes without saying that the bottom of the inner cup must be designed such that it can hold back the sub ¬ substance.
Der Innenbecher kann von der Seitenwand derart beabstandet sein, dass sich ein umlaufender Hohlraum ausbildet. Die Grösse des Hohlraumes wird dabei durch die Ausgestaltung des Kapselkörpers sowie durch die Grösse des Innenbechers bestimmt. Die Grösse des Innenbechers ist dabei abhängig von der Art des Getränks, wel¬ ches mit der Kapsel hergestellt werden soll. Der Hohlraum zwi¬ schen Seitenwand des Kapselkörpers und Innenbecher erlaubt eine einfachere Montage des Innenbechers im Kapselkörper. The inner cup may be spaced from the sidewall such that a circumferential cavity is formed. The size of the cavity is thereby by the configuration of the capsule body and determined by the size of the inner cup. The size of the inner cup is dependent on the type of beverage, wel ¬ ches to be made with the capsule. The cavity between ¬ side wall of the capsule body and inner cup allows easier installation of the inner cup in the capsule body.
Der Innenbecher kann einen vom Deckel beabstandeten Kragen aufweisen, welcher sich bis zur Seitenwand des Kapselkörpers er¬ streckt. Ein solcher Kragen erlaubt eine besonders einfache und präzise Positionierung des Innenbechers im Kapselköper. Ausserdem vergrössert ein solcher Kragen die Angriffsfläche des hyd¬ raulischen Druckes, so dass eine grössere Kraft resultiert, wel¬ che die Dichtfläche des Innenbechers auf die Dichtfläche des Bo¬ dens des Kapselkörpers presst. Entsprechend kann die Dichtwir¬ kung durch einen solchen Kragen verbessert werden. The inner cup may have a collar spaced from the lid, which extends to the side wall of the capsule body ¬ he stretched. Such a collar allows a particularly simple and precise positioning of the inner cup in the capsule body. Moreover, such a collar increases the attack surface of the hyd ¬ raulischen pressure, so that results in a greater force, wel ¬ che presses the sealing surface of the inner cup to the sealing surface of the Bo ¬ dens of the capsule body. Accordingly, the Dichtwir ¬ kung can be improved by such a collar.
Der Kragen kann perforiert sein. Die Wirkung des Kragens ist insbesondere beim Beginn des Einspritzens der Flüssigkeit zum Erreichen der Dichtwirkung erforderlich. Im Laufe der Zubereitung des Getränks ist es jedoch hilfreich, wenn der Hohlraum ebenfalls mit Flüssigkeit befüllt wird, sodass innerhalb und ausserhalb des Innenbechers ein Druckgleichgewicht herrscht. Insbesondere bei einem Innenbecher aus einem Kunststoffmaterial und der Verwendung von heissen Flüssigkeiten wird somit eine schadhafte Verformung des Innenbechers mit einfachen Mitteln verhindert . The collar can be perforated. The action of the collar is particularly required at the beginning of the injection of the liquid to achieve the sealing effect. In the course of the preparation of the drink, however, it is helpful if the cavity is also filled with liquid, so that there is a pressure equilibrium inside and outside the inner cup. In particular, in an inner cup made of a plastic material and the use of hot liquids thus a defective deformation of the inner cup is prevented by simple means.
Der Kragen kann wenigstens ein Loch, insbesondere wenigstens 2, bevorzugt 10 bis 100 Löcher mit einem Lochdurchmesser von 0.1 mm bis 0.7 mm umfassen. Dabei können die Löcher gleichmässig auf der Fläche des Kragens verteilt angeordnet sein. Der Kragen kann eine Grundfläche aufweisen, welche wenigstens 5 %, insbesondere 25 %, bevorzugt 50 % der Grundfläche des Kapsel¬ körpers beträgt. Durch geeignete Grössenwahl des Kragens kann insbesondere die zusätzliche resultierende Kraft beeinflusst werden, welche durch die Fläche des Kragens erzielt wird. Dabei wird unter der Grundfläche des Kragens diejenige Fläche verstan¬ den, welche bei einer Ansicht der Kapsel von oben durch den Kragen ausgebildet wird. Es handelt sich dabei um die hydraulisch wirksame Fläche. Unter der Grundfläche des Kapselkörpers wird entsprechend diejenige Fläche verstanden, welche bei einer An¬ sicht von oben auf den Kapselkörper erkennbar ist. Dabei beträgt die Grundfläche selbstverständlich lediglich diejenige Fläche, welche innerhalb eines eventuell umlaufenden Randes des Kapsel¬ körpers angeordnet ist. Auch hierbei handelt es sich wiederum um die hydraulisch wirksame Fläche. Es versteht sich von selbst, dass die Grösse des Kragens mit der Grösse des Innenbechers kor¬ reliert . The collar may comprise at least one hole, in particular at least 2, preferably 10 to 100 holes with a hole diameter of 0.1 mm to 0.7 mm. The holes may be evenly distributed on the surface of the collar. The collar may have a base area which is at least 5%, in particular 25%, preferably 50%, of the base area of the capsule body ¬ . By suitable choice of size of the collar, in particular the additional resulting force can be influenced, which is achieved by the surface of the collar. In this case, under the base surface of the collar that surface verstan ¬ the, which is formed in a view of the capsule from above through the collar. It is the hydraulically effective surface. Under the base of the capsule body is correspondingly understood that surface which is visible in an on ¬ view from above the capsule body. Of course, the base surface is of course only that surface which is arranged within a possibly peripheral edge of the capsule ¬ body. Again, this is the hydraulically effective surface. It goes without saying that the size of the collar the size of the inner cup reliert kor ¬.
Der Kragen kann an der Seitenwand abgestützt sein. Somit wird eine zusätzliche Dichtwirkung zwischen Kragen und Seitenwand erreicht. Entsprechend wird eine Leckage verhindert. Der Kragen kann eine Auflagekante aufweist, welche mit einer Auflagefläche der Seitenwand korrespondiert. Beispielsweise kann hierzu die Seitenwand des Kapselkörpers im Innern eine Stufe mit einer Auf¬ lagefläche aufweisen. Eine solche Ausgestaltung kann sehr einfach realisiert werden. Der Kragen kann mit einem Kragenrand versehen sein, welcher das äussere Ende des Kragens in Richtung zum Deckel verlängert. Dabei verläuft der Kragenrand parallel zum entsprechenden Bereich der Seitenwand des Kapselkörpers. Ein solcher Kragenrand verbessert zusätzlich die Dichtwirkung zwischen Kragen und Seitenwand. Der Innenbecher kann oben offen sein. Dadurch, dass der Innenbecher oben offen ist, wird gewährleistet, dass unabhängig vom Ort des Einspritzens bzw. des Durchstechens des Deckels jeweils die eingespritzte Flüssigkeit in den Innenbecher gelangen kann. The collar can be supported on the side wall. Thus, an additional sealing effect between collar and side wall is achieved. Accordingly, leakage is prevented. The collar may have a support edge, which corresponds to a support surface of the side wall. For example, for this purpose, the side wall of the capsule body in the interior have a step with an on ¬ bearing surface. Such an embodiment can be realized very easily. The collar may be provided with a collar edge which extends the outer end of the collar towards the lid. The collar edge runs parallel to the corresponding region of the side wall of the capsule body. Such a collar edge additionally improves the sealing effect between collar and side wall. The inner cup can be open at the top. Characterized in that the inner cup is open at the top, it is ensured that regardless of the place of injection or puncture of the lid each of the injected liquid can get into the inner cup.
Ebenfalls wird somit gewährleistet, dass bei einem Einspritzen direkt in den Innenbecher auch der Kragen mit der unter Druck stehenden Flüssigkeit beaufschlagt wird und somit die zusätzli¬ che Kraftwirkung entfalten kann. Also, it is thus ensured that when injected directly into the inner cup and the collar is acted upon by the liquid under pressure and thus can develop the addi ¬ che force.
Der Innenbecher kann eine zylindrische Innenform aufweisen. Eine zylindrische Innenform kann besonders einfach hergestellt wer¬ den. Dabei wird unter zylindrisch verstanden, dass bei einem Querschnitt entlang der Längsachse durch den Innenbecher die Seitenwand links und rechts der Längsachse gegenüber der Längs¬ achse weniger als 5° geneigt sind. The inner cup may have a cylindrical inner shape. A cylindrical inner shape can be made very easily who ¬ . Here, by cylindrical is understood that in a cross section along the longitudinal axis through the inner cup, the side wall left and right of the longitudinal axis relative to the longitudinal ¬ axis less than 5 ° are inclined.
Das Volumen des Innenbechers kann maximal 90 %, insbesondere ma¬ ximal 75 %, bevorzugt maximal 50 % des Gesamtvolumens der Kapsel betragen. Dieses Verhältnis kann beispielsweise durch die Ausge¬ staltung der Seitenwand des Kapselkörpers, durch die Ausgestal¬ tung bzw. Wahl der Grösse des Innenbechers oder durch die Posi¬ tionierung des Kragens im Kapselkörper eingestellt werden. The volume of the inner cup can maximally 90%, in particular ma ¬ ximal 75%, preferably a maximum of 50% of the total amount of the capsule. This ratio can be adjusted in the capsule body, for example, by the Substituted ¬ staltung the side wall of the capsule body, through which Ausgestal ¬ for, or selection of the size of the inner cup or through the posi tioning ¬ of the collar.
Der Innenbecher kann einen Filterboden aufweisen. Durch die Verwendung eines Filterbodens im Innenbecher, kann insbesondere als Substanz Kaffeepulver oder Tee verwendet werden, wobei der Filterboden das Kaffeepulver bzw. die Teeblätter bei der Zubereitung des Getränkes zurück hält. The inner cup may have a filter bottom. By using a filter bottom in the inner cup, coffee powder or tea can be used in particular as a substance, wherein the filter bottom holds back the coffee powder or tea leaves during the preparation of the beverage.
Der Innenbecher kann bis zum Deckel reichen. Dadurch, dass der Innenbecher bis zum Deckel reicht, kann insbesondere beim Trans¬ port der Kapsel gewährleistet werden, dass sich die Substanz zur Zubereitung des Getränks lediglich im Innenbecher befindet. Eine Kontamination des Raumes ausserhalb des Innenbechers wird ver¬ mieden. Insbesondere wenn die Getränkezubereitungsmaschine die Flüssigkeit ausserhalb des Innenbechers einspritzt, wird somit eine Kontamination des Einstechmittels mit der Substanz verhindert . The inner cup can reach to the lid. The fact that the inner cup extends to the lid, it can be ensured in particular during the trans ¬ port of the capsule, that the substance for the preparation of the drink is only in the inner cup. A Contamination of the space outside the inner cup is avoided ver ¬ . In particular, when the beverage preparation machine injects the liquid outside the inner cup, contamination of the piercing agent with the substance is thus prevented.
Der Deckel kann mit dem Innenbecher lösbar verbunden sein. Hiermit wird eine zusätzliche Sicherheit gegen Kontamination des Raumes ausserhalb des Innenbechers erreicht. Dabei ist es irre¬ levant, ob die Flüssigkeit unter Druck direkt in den Innenbecher oder in den Raum ausserhalb des Innenbechers eingespritzt wird. Durch die lösbare Verbindung wird bei Einspritzen der unter Druck stehenden Flüssigkeit der Deckel durch den resultierenden Druck vom Innenbecher abgelöst, sodass sich die eingespritzte Flüssigkeit sowohl im Innenbecher als auch im Raum ausserhalb des Innenbechers verteilt. Entsprechend wird der hydraulische Druck seine Wirkung im Bereich des Innenbechers sowie im Bereich des Kragens entfalten. The lid may be detachably connected to the inner cup. This provides additional security against contamination of the space outside the inner cup. It is mistaken ¬ Levant, whether the fluid is injected under pressure directly into the inner sleeve or in the space outside of the inner cup. As a result of the detachable connection, when the liquid under pressure is injected, the cover is detached from the inner cup by the resulting pressure, with the result that the injected liquid is distributed both in the inner cup and in the space outside the inner cup. Accordingly, the hydraulic pressure will be effective in the area of the inner cup and in the region of the collar.
Der Innenbecher kann mittels einer Schnappverbindung mit dem Kapselkörper verbunden sein. Eine Schnappverbindung lässt sich einfach herstellen und garantiert eine feste Verbindung zwischen Innenbecher und Kapselkörper. Dabei muss diese Schnappverbindung nicht dicht ausgestaltet sein, da die Dichtung über die beiden miteinander korrespondierenden Dichtflächen gewährleistet wird. Entsprechend kann die Schnappverbindung auch segmentweise ausge¬ staltet sein, d.h. die Schnappverbindung muss nicht umlaufend geschlossen ausgestaltet sein. Beispielsweise genügt bereits ei¬ ne Schnappverbindung, welche lediglich drei Schnapper aufweist, um den Innenbecher definiert ortsfest im Kapselkörper festzuhalten. Ebenso ist auch eine zentrale Schnappverbindung oder ein zentral angeordneter Presssitz denkbar, welche die mechanische Positionierung gewährleistet. Anhand von Figuren, welche lediglich Ausführungsbeispiele dar¬ stellen, wird die Erfindung im Folgenden näher erläutert. Es zeigen : The inner cup may be connected by means of a snap connection with the capsule body. A snap connection can be easily made and guarantees a firm connection between inner cup and capsule body. In this case, this snap connection must not be designed dense, since the seal is ensured by the two corresponding sealing surfaces. Accordingly, the snap connection can also be segmented ¬ staltet, ie the snap connection must not be configured circumferentially closed. For example, already sufficient ei ¬ ne snap connection, which has only three snapper defined to hold the inner cup stationary in the capsule body. Likewise, a central snap connection or a centrally arranged press fit is conceivable, which ensures the mechanical positioning. On the basis of figures, which represent only exemplary embodiments ¬ , the invention will be explained in more detail below. Show it :
Figur 1: eine schematische Darstellung einer erfindungsgemässen Figure 1: a schematic representation of an inventive
Kapsel , Capsule,
Figur 2: die Kapsel gemäss Figur 1, wobei das Einspritzen einer unter Druck stehenden Flüssigkeit sowie das resultie¬ rende Getränk durch Pfeile angedeutet sind, 2 shows the capsule according to Figure 1 with the injection of a liquid under pressure and the resultie ¬ Rende beverage are indicated by arrows
Figur 3: eine weitere Ausführungsform einer erfindungsgemässen Figure 3: another embodiment of an inventive
Kapsel in einer schematischen Darstellung, Capsule in a schematic representation,
Figur 4: die Kapsel aus Figur 2 mit angedeutetem Flüssigkeits¬ pfad, und Figure 4: the capsule of Figure 2 with indicated liquid ¬ path, and
Figur 5: eine weitere Ausführungsform einer erfindungsgemässen Figure 5: another embodiment of an inventive
Kapsel in einer aufgeschnittenen perspektivischen Ansicht . Capsule in a cutaway perspective view.
Figur 1 zeigt in einer schematischen Darstellung eine erfin- dungsgemässe Kapsel 1 mit einem Kapselkörper 2 und einem im Kap¬ selkörper 2 angeordneten Innenbecher 9. Der Kapselkörper 2 weist eine rotationssymmetrische konische Seitenwand 3 und einen ge¬ stuften Kapselboden 4 auf. Der Kapselboden ist zusätzlich mit einer AuslaufÖffnung 8 versehen, durch welche ein zubereitetes Getränks aus der Kapsel austreten kann. Der Kapselkörper 2 ist mit einem Deckel 5, üblicherweise in Form einer dünnen Folie, verschlossen. Durch den Deckel 5 und den Kapselkörper 2 wird eine abgeschlossene Kammer 6 ausgebildet. Im Innern der Kapsel 1 ist wie bereits erwähnt der Innenbecher 9 angeordnet. Der Innen- becher 9 weist einen Filterboden 15 auf. Ausserdem ist der Innenbecher 9 auf seiner Unterseite, welche dem Boden 4 des Kap¬ selkörpers 2 zugewandt ist, mit einer Schnappvorrichtung verse¬ hen, welche mit Rastelementen 19 versehen ist. Diese Rastelemente 19 dient der schnappenden Befestigung des Innenbechers 9 in einer Vertiefung 16 des Bodens 4, wobei die Vertiefung 16 eine Aufnahmeschulter 17, welche mit einer Rastnut 18 versehen ist, aufweist. Die Rastelemente 19 des Innenbechers 9 können somit in der Rastnut 18 einrasten. Wie in der schematischen Darstellung gezeigt, kann eine solche Rastverbindung jedoch keine dichte Verbindung zwischen Innenbecher und Boden des Kapselkörpers gewährleisten . 1 shows a schematic representation of a inventions dung according capsule 1 with a capsule body 2 and, disposed in Section ¬ selkörper 2 inner sleeve 9. The capsule body 2 has a rotationally symmetrical conical side wall 3 and a ge ¬ classified capsule base 4 on. The capsule bottom is additionally provided with an outlet opening 8, through which a prepared beverage can escape from the capsule. The capsule body 2 is closed with a lid 5, usually in the form of a thin film. Through the lid 5 and the capsule body 2 a sealed chamber 6 is formed. In the interior of the capsule 1, as already mentioned, the inner cup 9 is arranged. The interior cup 9 has a filter bottom 15. In addition, the inner sleeve 9 on its underside, facing the bottom 4 of the Cape ¬ selkörpers 2, with a snap device verse ¬ hen, which is provided with latching elements 19th This locking elements 19 is used for snapping attachment of the inner cup 9 in a recess 16 of the bottom 4, wherein the recess 16 has a receiving shoulder 17, which is provided with a locking groove 18. The locking elements 19 of the inner cup 9 can thus engage in the locking groove 18. However, as shown in the schematic illustration, such a latching connection can not ensure a tight connection between inner cup and bottom of the capsule body.
Der Innenbecher 9 ist wesentlich kleiner ausgestaltet als der Kapselkörper 2, sodass sich umlaufend um den Innenbecher 9 ein Hohlraum 12 ausbildet. Dieser Hohlraum 12 wird an seinem oberen, dem Deckel 5 zugewandten Ende durch den Kragen 10 des Innenbechers 9 begrenzt. Dieser Kragen 10 steht vom Innenbecher 9 in etwa in radialer Richtung ab und reicht bis zur Seitenwand 3 des Kapselkörpers 2. An dem dem Deckel 5 abgewandten Ende des Hohl¬ raums 12 wird der Hohlraum 12 im Wesentlichen durch den Boden 4 bzw. eine Dichtfläche 14 begrenzt. Der Kragen 10 ist perforiert und weist entsprechende Perforationsöffnungen 11 auf, welche vorzugsweise in regelmässigen Abständen umlaufend um den Innenbecher 9 herum angeordnet sind. Der Innenbecher 9 ist an seiner Unterseite, d.h. an der dem Boden 4 des Kapselkörpers 2 zuge¬ wandten Seite, mit einer Dichtfläche 13 versehen, welche erfin- dungsgemäss mit der Dichtfläche 14 des Kapselkörpers 2 zusammen¬ wirkt. Es wird explizit darauf hingewiesen, dass in der schema¬ tischen Darstellung von Figur 1 der Abstand zwischen der Dichtfläche 13 des Innenbechers 9 und der Dichtfläche 14 des Bodens 4 übertrieben dargestellt ist. In der Realität wird es sich hier¬ bei um einen geringen Spalt bzw. ein kleines Spiel herrührend von der Rastverbindung zwischen Rastnut 18 und Rastkante 19 von weniger als 1 mm handeln. Im Innern des Innenbechers 9 ist die Substanz 7 ausschnittsweise angedeutet, welche beispielsweise Kaffee oder Tee sein kann. Selbstverständlich sind auch andere Substanzen denkbar, welche zur Zubereitung eines Getränks geeignet sind. The inner cup 9 is designed substantially smaller than the capsule body 2, so that circumferentially around the inner cup 9, a cavity 12 is formed. This cavity 12 is limited at its upper, the cover 5 end facing by the collar 10 of the inner cup 9. At the end of the hollow ¬ space 12 facing away from the lid 5, the cavity 12 is substantially through the bottom 4 and a sealing surface 14th limited. The collar 10 is perforated and has corresponding perforation openings 11, which are preferably arranged at regular intervals around the inner cup 9 around. The inner sleeve 9 is on its underside, ie on the floor 4 of the capsule body 2 supplied ¬ facing side, provided with a sealing surface 13 which According to the invention operates with the sealing surface 14 of the capsule body 2 together ¬. It is explicitly noted that has been exaggerated in the schematic ¬ schematically showing of Figure 1, the distance between the sealing surface 13 of the inner cup 9 and the sealing surface 14 of the bottom. 4 In reality, this will be ¬ due to a small gap or a small game act of the locking connection between locking groove 18 and locking edge 19 of less than 1 mm. In the interior of the inner cup 9, the substance 7 is partially indicated, which may be, for example, coffee or tea. Of course, other substances are also conceivable which are suitable for the preparation of a beverage.
Um die Befestigung des Deckels 5 auf den Kapselkörper 2 zu erleichtern, weist der Kapselkörper in bekannter Weise einen umlaufenden Rand 20 oder Flansch auf. In order to facilitate the attachment of the lid 5 to the capsule body 2, the capsule body in a known manner to a peripheral edge 20 or flange.
Figur 2 zeigt die Kapsel 1 gemäss Figur 1, wobei der Pfad der eingespritzten Flüssigkeit vom Einspritzen durch den Deckel 5 bis zum Austritt auf der AuslaufÖffnung 8 dargestellt ist. Beim Einspritzen einer unter Druck stehenden Flüssigkeit in die Kammer 6 wird sich sofort ein Druck PI im Innern des Innenbechers 9 sowie im Bereich zwischen Deckel 5 und Kragen 10 ausbilden. Dieser hydraulische Druck PI wird auf die gesamte Fläche Fl, welche im Wesentlichen der Gesamtfläche der Kapsel entspricht, einwir¬ ken und in einer Kraft Kl resultieren. Diese Kraft Kl drückt den Innenbecher 9 mit seiner Dichtfläche 13 gegen die Dichtfläche 14 des Bodens 4. Im Laufe der Zeit wird die eingespritzte Flüssig¬ keit bzw. ein Teil der eingespritzten Flüssigkeit durch die Perforationsöffnungen 11 des Kragens 10 in den Hohlraum 12 gelangen und diesen auffüllen. Sobald dieser Hohlraum 12 komplett mit der Flüssigkeit befüllt ist, wird sich auch der Druck P2 in diesem Hohlraum 12 an den Druck PI angleichen. In diesem Moment wird sich die wirksame Grundfläche, welche zusammen mit dem hydrauli¬ schen Druck PI eine Kraftwirkung entfaltet, verringern, sodass diese nur noch der Grundfläche F2 des Innenbechers entspricht. Die daraus resultierende Kraft K2 wird entsprechend kleiner aus¬ fallen als die Kraft Kl zu Beginn des Einspritzvorgangs. Da der Spalt zwischen der Dichtfläche 13 des Innenbechers 9 und der Dichtfläche 14 des Bodens 4 jedoch bereits geschlossen ist, reicht die jetzt zur Verfügung stehende Kraft K2 jedoch aus, um die Dichtwirkung aufrecht zu erhalten. FIG. 2 shows the capsule 1 according to FIG. 1, the path of the injected liquid being shown from the injection through the cover 5 to the exit on the outlet opening 8. Upon injection of a pressurized liquid into the chamber 6, a pressure PI will immediately form inside the inner cup 9 as well as in the area between the lid 5 and the collar 10. This hydraulic pressure PI will result in the entire area of Fl, which corresponds substantially to the total area of the capsule, and einwir ¬ ken in a force Kl. Over time, the injected liquid ¬ speed or a portion of the injected liquid through the perforation openings 11 of the collar 10 into the cavity 12 and reach this fill up. Once this cavity 12 is completely filled with the liquid, the pressure P2 in this cavity 12 will also be equal to the pressure PI. At this moment, the effective base area, which develops a force effect together with the hydraulic ¬ pressure PI, reduce, so that this only corresponds to the base area F2 of the inner cup. The resulting force K2 will be correspondingly smaller ¬ than the force Kl at the beginning of the injection process. Since the gap between the sealing surface 13 of the inner cup 9 and the However, sealing surface 14 of the bottom 4 is already closed, the now available force K2, however, is sufficient to maintain the sealing effect.
Durch den Ausgleich des Drucks PI im Innern des Innenbechers 9 und des Druck P2 im Hohlraum 12, wirkt auf die Wand des Innenbe¬ chers 9 keine Kraft mehr und eine schadhafte Verformung des In¬ nenbechers 9 kann somit verhindert werden. Die Zubereitung des Getränks kann somit störungsfrei fertig gestellt werden. By balancing the pressure PI in the interior of the inner cup 9 and the pressure P2 in the cavity 12 acts on the wall of the ¬ for indoor Chers 9 no strength and a defective deformation of the In ¬ nenbechers 9 can thus be prevented. The preparation of the drink can thus be completed trouble-free.
In den Figuren 3 und 4 ist eine weitere Ausführungsform einer erfindungsgemässen Kapsel 1 dargestellt. Dabei unterscheidet sich diese Kapsel 1 nur durch die Ausgestaltung des Innenbechers 9 von der Kapsel gemäss den Figuren 1 und 2. Entsprechend werden dieselben Bezugszeichen wie bereits in den Figuren 1 und 2 verwendet. Der Innenbecher 9 ist leicht konisch ausgestaltet, so dass das Volumen der im Innenbecher 9 aufgenommenen Substanz 7 gegenüber der Ausführungsform gemäss den Figuren 1 und 2 weiter reduziert ist. Ausserdem weist der Innenbecher 9 im Bodenbereich zusätzlich einen umlaufenden Flansch 21 auf, welcher sich bis zur Seitenwand 3 des Kapselkörpers 2 erstreckt. Entsprechend ist auch die Dichtfläche 13 des Innenbechers 9 auf diesem Flansch 21 angeordnet und wirkt in bekannter Weise mit der Dichtfläche 14 des Kapselkörpers 2 zusammen. Dieser Flansch 21 bewirkt nun beim Einspritzen der Flüssigkeit und einem ausgeglichenen Druck P2 im Hohlraum 12, dass die für die Kraftwirkung zuständige Grundflä¬ che F2 nur unwesentlich kleiner gegenüber der Grundfläche Fl wird. Die Kraft F2 bleibt somit grösser, als dies in der Ausfüh¬ rungsform gemäss den Figuren 1 und 2 der Fall ist. Entsprechend wirkt auch bei ausgeglichenem Druck noch immer einer Kraft K2, welche nur unwesentlich kleiner als die Kraft Kl zu Beginn des Einspritzens ist. Figur 5 zeigt eine weitere Ausführungsform einer erfindungsge- mässen Kapsel 1 in einer aufgeschnittenen perspektivischen Ansicht. Dabei wird in der nachfolgenden Beschreibung lediglich auf die Unterschiede zu den beiden vorgängigen Ausführungsformen hingewiesen. Die Kapsel 1 weist wiederum einen Kapselkörper 2 und einen Innenbecher 9 auf. Dabei ist in der Seitenwand 3 des Kapselkörpers 2 eine Stufe 25 ausgebildet, welche auf der Innen¬ seite eine Auflagefläche 26 ausbildet. Auf dieser Auflagefläche 26 liegt der Kragen 10 mit einer Auflagekante 23 auf. Diese Kom¬ bination von Auflagekante 23 und Auflagefläche 26 verbessert die Dichtwirkung zwischen Kragen 10 und Seitenwand 3 des Kapselkörpers 2. Diese Dichtwirkung ist insbesondere am Anfang des Ein¬ spritzens nötig, um die Dichtwirkung zwischen den beiden Dichtflächen 13, 14 (siehe Figuren 1 bis 4) zu gewährleisten. Der Kragen 10 ist weiter mit einem Kragenrand 24 ausgerüstet, wel¬ cher das äussere Ende des Kragens 10 in Richtung zum Deckel 5 (siehe Figuren 1 bis 4) verlängert. Auch dieser Kragenrand 24 dient der verbesserten Dichtung bei Beginn des Einspritzens. Der Kragenrand 24 liegt dabei flächig an der Seitenwand 3 des Kap¬ selkörpers 2 an. FIGS. 3 and 4 show a further embodiment of a capsule 1 according to the invention. In this case, this capsule 1 differs only by the configuration of the inner cup 9 of the capsule according to Figures 1 and 2. Accordingly, the same reference numerals as in Figures 1 and 2 are used. The inner cup 9 is configured slightly conical, so that the volume of the substance 7 received in the inner cup 9 is further reduced compared to the embodiment according to FIGS. 1 and 2. In addition, the inner cup 9 in the bottom area in addition to a circumferential flange 21, which extends to the side wall 3 of the capsule body 2. Accordingly, the sealing surface 13 of the inner cup 9 is arranged on this flange 21 and cooperates in a known manner with the sealing surface 14 of the capsule body 2. This flange 21 now causes when injecting the liquid and a balanced pressure P2 in the cavity 12, that responsible for the force Grundflä ¬ surface F2 is only slightly smaller than the base Fl. The force F2 is thus greater than is the case in the exporting ¬ approximate shape according to FIGS. 1 and 2 Accordingly, a force K2, which is only slightly smaller than the force K1 at the beginning of the injection, still acts even when the pressure is balanced. FIG. 5 shows a further embodiment of a capsule 1 according to the invention in a cutaway perspective view. In the following description, reference is merely made to the differences from the two preceding embodiments. The capsule 1 in turn has a capsule body 2 and an inner cup 9. In this case, a step 25 is formed in the side wall 3 of the capsule body 2, which forms a bearing surface 26 on the inner ¬ side. On this bearing surface 26 of the collar 10 is located with a support edge 23. This Kom ¬ bination of support edge 23 and support surface 26 enhances the sealing action between the collar 10 and the side wall 3 of the capsule body 2. This sealing effect is especially at the beginning of a ¬ spraying needed to ensure the sealing effect between the two sealing surfaces 13, 14 (see Figures 1 to 4). The collar 10 is further equipped with a collar edge 24, wel ¬ cher the outer end of the collar 10 in the direction of the lid 5 (see Figures 1 to 4) extended. Also, this collar edge 24 is the improved seal at the beginning of the injection. The collar edge 24 lies flat against the side wall 3 of the Cape ¬ selkörpers. 2
Der Innenbecher 9 ist weiter mit einem Becherrand 22 versehen, welcher den Innenbecher 9 über den Kragen 10 bis zum Deckel 5 (siehe Figuren 1 bis 4) reichen lässt. Dabei kann der Deckel auf dem Becherrand 22 versiegelt sein oder lediglich lose aufliegen. Um trotzdem ein zuverlässiges eintreten der Flüssigkeit in den Innenbecher 9 zu gewährleisten, ist wenigstens eine Einlassöff¬ nung 27 im Becherrand vorgesehen. Diese Einlassöffnung 27 kann als vertikaler Schlitz, wie in der Figur 5 dargestellt, als horizontaler Schlitz, als Bohrung oder in jeglicher anderen Form ausgestaltet sein. Ebenso versteht es sich von selbst, dass auch zwei, drei oder mehrere solche Einlassöffnungen 27, vorzugsweise in einem regelmässigen Abstand umlaufend, im Becherrand 22 ange¬ ordnet sein können. The inner cup 9 is further provided with a cup rim 22, which allows the inner cup 9 over the collar 10 to the lid 5 (see Figures 1 to 4) rich. In this case, the lid may be sealed on the cup edge 22 or only rest loosely. In order nevertheless a reliable enter the liquid in the inner sleeve 9 to ensure, at least one Einlassöff ¬ voltage 27 is provided in the cup edge. This inlet opening 27 can be designed as a vertical slot, as shown in Figure 5, as a horizontal slot, as a bore or in any other form. Likewise, it goes without saying that two, three or more such inlet openings 27, preferably circulating in a regular distance, in the cup rim 22 can be arranged ¬ .
Der Filterboden 15 des Innenbechers 9 weist mehrere Verstär¬ kungsrippen 28 auf. Diese Verstärkungsrippen 28 gewährleisten, dass der Filterboden 15 bei angelegtem Einspritzdruck sich nicht über Gebühr verformen kann. The filter bottom 15 of the inner cup 9 has a plurality of rib-Verstär ¬ kung 28th These reinforcing ribs 28 ensure that the filter bottom 15 can not deform excessively when applied injection pressure.
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01044/14A CH709860A1 (en) | 2014-07-09 | 2014-07-09 | Capsule with a preferably rotationally symmetrical capsule body. |
PCT/EP2015/063534 WO2016005155A1 (en) | 2014-07-09 | 2015-06-17 | Capsule with a preferably rotationally symmetrical capsule body |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3166872A1 true EP3166872A1 (en) | 2017-05-17 |
EP3166872B1 EP3166872B1 (en) | 2018-10-10 |
Family
ID=52338765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15728888.7A Active EP3166872B1 (en) | 2014-07-09 | 2015-06-17 | Capsule with a rotational symmetric body |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3166872B1 (en) |
CH (1) | CH709860A1 (en) |
ES (1) | ES2703682T3 (en) |
PT (1) | PT3166872T (en) |
WO (1) | WO2016005155A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3222555B1 (en) * | 2016-03-22 | 2020-01-08 | Mühlemann IP GmbH | Extraction capsule |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK1784344T3 (en) | 2004-08-23 | 2009-06-02 | Nestec Sa | Capsule for making and delivering a beverage by injection of a pressurized fluid into the capsule |
EP2298671B9 (en) * | 2004-09-17 | 2013-05-15 | Tuttoespresso S.r.l. | Disposable capsule for beverages |
EP1704803A1 (en) * | 2005-03-22 | 2006-09-27 | Tuttoespresso S.p.a. | Beverage cartridge and system |
EP1893507B1 (en) * | 2005-06-22 | 2011-06-08 | Friesland Brands B.V. | Holder and cup with concentrate for preparation of hot beverages |
ES2322860T3 (en) * | 2005-09-21 | 2009-06-30 | Illycaffe' S.P.A. | CARTRIDGE CONTAINING A SUBSTANCE TO REMOVE A DRINK. |
NL2000400C2 (en) * | 2006-12-22 | 2008-06-24 | Friesland Brands Bv | Cup for concentrate and method for preparation of a liquid product. |
ITMI20070740A1 (en) * | 2007-04-12 | 2008-10-13 | Rossi Corp S R L | DISPOSABLE CAPSULE OF CONTAINING AN AROMATIC ESSENCE FOR THE PRODUCTION OF AN INFUSION |
ITBO20110101A1 (en) * | 2011-03-02 | 2012-09-03 | Macchiavelli Srl | INTERCHANGEABLE CAPSULE FOR THE PREPARATION OF A COFFEE INFUSION, AND PROCEDURE FOR OBTAINING AN INFUSION OF SUCH A COFFEE |
ITVR20120093A1 (en) * | 2012-05-15 | 2013-11-16 | Coffee Star S A | BEVANADE PRODUCTION SYSTEM |
ITTO20130612A1 (en) * | 2013-07-18 | 2013-10-17 | Bisio Progetti Spa | CAPSULE FOR THE PREPARATION OF BEVERAGES WITH INFUSION. |
-
2014
- 2014-07-09 CH CH01044/14A patent/CH709860A1/en not_active Application Discontinuation
-
2015
- 2015-06-17 WO PCT/EP2015/063534 patent/WO2016005155A1/en active Application Filing
- 2015-06-17 EP EP15728888.7A patent/EP3166872B1/en active Active
- 2015-06-17 PT PT15728888T patent/PT3166872T/en unknown
- 2015-06-17 ES ES15728888T patent/ES2703682T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
CH709860A1 (en) | 2016-01-15 |
PT3166872T (en) | 2019-01-10 |
WO2016005155A1 (en) | 2016-01-14 |
EP3166872B1 (en) | 2018-10-10 |
ES2703682T3 (en) | 2019-03-12 |
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