EP2942312B1 - Récipient de fractionnement pour une capsule destinée à la préparation de boisson - Google Patents

Récipient de fractionnement pour une capsule destinée à la préparation de boisson Download PDF

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Publication number
EP2942312B1
EP2942312B1 EP15166534.6A EP15166534A EP2942312B1 EP 2942312 B1 EP2942312 B1 EP 2942312B1 EP 15166534 A EP15166534 A EP 15166534A EP 2942312 B1 EP2942312 B1 EP 2942312B1
Authority
EP
European Patent Office
Prior art keywords
base plate
wall
distal
portioning container
capsule
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.)
Not-in-force
Application number
EP15166534.6A
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German (de)
English (en)
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EP2942312A1 (fr
Inventor
Giovanni Erminnio Pietro Alberti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delica AG
Original Assignee
Delica AG
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Filing date
Publication date
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Publication of EP2942312A1 publication Critical patent/EP2942312A1/fr
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Publication of EP2942312B1 publication Critical patent/EP2942312B1/fr
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    • 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
    • B65D85/8055—Means for influencing the liquid flow inside the package
    • 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 portioning container for beverage preparation according to the preamble of claim 1 and of claim 2 and a capsule with such a portioning container.
  • a capsule for the preparation of hot drinks has become known, which inside - in a distal region - has a flexible, convex upwardly against the center of the capsule shaped disc with a mandrel.
  • the mandrel is directed against a spaced distal end of the capsule.
  • pressurizing the capsule chamber deforms this flexible disc; the mandrel located thereon is pressed against the distal end of the capsule and ultimately perforates the distal capsule wall, thus creating a breakthrough to drain the beverage prepared in the capsule.
  • This capsule has the disadvantage that it is expensive to manufacture, since it consists of sixteenzuspegenden items. Moreover, the beverage powder is highly compressed in the preparation, which can lead to an undesirable barrier to the flow of water.
  • the WO 2007/114685 describes a portion package for a liquid food that is miscible and dilutable with another liquid.
  • a mixing element is provided, with the aid of which a Venturi effect can be achieved.
  • the mixing element is arranged on a flexible bottom portion of the portion packaging and displaceable by applying in a beverage preparation machine.
  • the WO 2011/035942 A1 relates to a capsule for the preparation of a beverage having a bottom, a side wall and a lid to form a closed chamber.
  • a stamp is arranged, is formed by its application in a beverage preparation machine, an opening in the bottom of the capsule.
  • the WO 2011/138405 A1 describes a container for receiving a liquid base product.
  • the container has a mixing chamber for mixing a liquid with the base product, wherein a displaceable adjusting element is displaceable between a neutral position and a piercing position to allow the outflow of the mixture.
  • a portioning container for a beverage bulk material for preparing a beverage, in particular a hot beverage comprising: a wall bounding the portioning container laterally; a bottom plate distally bounding the portioning container; wherein a preferably cup-shaped bulk material chamber for receiving a metered amount of the beverage bulk material is formed by the wall and the bottom plate; and wherein at least one preferably central region of the bottom plate is mounted between a first and a second bottom position axially movable relative to the wall, that a volume of the bulk material chamber is variable, achieved in that the bottom plate has a proximally projecting, rigid transmission element for said axial movement Base plate has the intended use.
  • the base plate is made flexible and is fastened directly to the wall such that it can be moved by the transmission element between a first floor position in a second floor position with deformation of the floor panel is.
  • the bottom plate in the first bottom position for example, be bent with its center in a convex training against the interior of the bulk material chamber and converted by forming in a concave formation in the second floor position, so that the center is bent away from the interior of the bulk material chamber.
  • the bottom plate is designed such that it is substantially dimensionally stable during the axial movement of the bottom plate between the first and second bottom position.
  • a moving portion is provided, which connects the bottom plate and the wall and allows the axial movement of the bottom plate relative to the wall.
  • the movement section is formed circumferentially around the bottom plate or wall.
  • the proximal side is the side of the fluid supply from the preparation device, the distal side that of the beverage discharge.
  • the proximal side of the bottom plate is thus directed against the interior of the bulk material chamber; the distal side is directed against the exterior of the bulk material chamber, opposite to the proximal direction.
  • the axial direction, the L direction runs along the axis of symmetry of the wall, from the proximal side to the distal side.
  • the lateral direction is perpendicular to the axial direction.
  • Beverage bulk is preferably coffee, chocolate, tea, and / or milk powder.
  • the portioning container can also be used for liquids which are gelatinous or in particular viscous at essentially room temperature.
  • the portioning container is formed with the wall, the bottom plate and a moving portion between the bottom plate and the wall as a one-piece, cup-shaped piece.
  • the portioning container can be, for example, an injection-molded element. This allows a particularly cost-effective production.
  • the portioning container may consist of a polymer such as polypropylene, polyethylene, polylactides (PAL) or other sinterable and / or mouldable materials having similar properties.
  • a preferred material thickness of the wall is at least in the region of the planar structures about 0.4 to 1 millimeter.
  • the movement section connects the bottom plate with or on the wall and is preferably designed such that it circulates in such a way that an entire area between the Wall and the bottom plate is fluid-tight (especially for water).
  • the bottom plate can thus be formed as a disc.
  • This preferably completely encircling movement section may be a folded section, in particular a bellows-like section, which is flexible due to the lesser material thickness and / or material type compared to the floor panel.
  • the moving portion connects the wall and the bottom plate waterproof.
  • the movement section is attached to the wall in a distal end section and to the base plate at the edge. As a result, the movement section can be minimized in its extent.
  • the bottom plate then preferably has the same cross-sectional shape.
  • the wall can thus surround a space between a proximal upper edge and a distal lower edge, in which the bulk material chamber is formed, which is then limited distally by the bottom plate.
  • the wall can take the form of a cylinder, a truncated cone, a cuboid or similar. form and form a correspondingly shaped cavity as a bulk material chamber. It is particularly preferred if the wall forms a hollow cylinder.
  • the bottom plate is in the first bottom position in the cavity of the wall (ie with respect to the axial direction between the top edge and the bottom edge of the wall).
  • the bottom plate in the first bottom position may be, for example, with its edge region, flush with the bottom edge of the wall or 2 to 15 millimeters from the bottom of the 20 to 30 millimeters, in particular about 24 millimeters high wall (without tabs) are shifted against the chamber interior ,
  • the bottom plate can be spaced over the movement section connected to the wall 3 to 10 millimeters, in particular about 5 millimeters distally from the wall (ie not between the wall, namely distal to the lower edge of the wall).
  • the bottom plate In the second bottom position, the bottom plate preferably protrudes beyond the wall.
  • the bottom plate may be out of the wall even in the first floor position. In the latter case, the diameter of the bottom plate may have a smaller, equal or larger diameter of the cavity.
  • the bottom plate may be in both bottom positions in the cavity.
  • a piercing element the mandrel element, see below protrudes distally over the lower edge of the wall.
  • the cavity is cylindrical with a diameter of up to 4 centimeters, in particular about 3.2 centimeters, and a diameter of the bottom plate comparatively smaller (eg 2 to 3 centimeters, in particular about 2.4 centimeters) than the diameter of this cavity.
  • the edge region of the bottom plate which has a distal and a proximal surface, extends in the region along the circumference of the bottom plate.
  • the edge region is preferably about 2 to 3 millimeters wide.
  • the bottom plate may be bulged with a center in the distal direction so that the center forms a distal tip of the plate.
  • the edge region can be designed bent over the plate surface in the proximal direction by 30 to 90 degrees, in particular approximately 80 degrees.
  • the bottom plate has a rigidly projecting into the chamber, rigid transmission element for said axial movement of the bottom plate when used as intended with the preparation machine.
  • This transmission element may in particular be substantially finger, tube or rod-shaped and is preferably mounted centrally on the plate and extending in the axial direction.
  • the possibly over longitudinal ribs stiffened transmission element allows a push-like sliding or pulling movement of the bottom plate relative to the wall.
  • the transmission element is formed and fixed, preferably integrally formed with the bottom plate, so that it also makes it movable to train in the proximal direction and pressure along the transmission element.
  • the transmission element is monolithically shaped and preferably arranged centrally on the bottom plate.
  • the transmission element projects proximally over an upper edge of the wall when the bottom plate in the first Ground position is located.
  • the transfer element is preferably shaped such that after inserting the capsule with the Portionier umaner in the capsule cage of the preparation machine, the transmission element is moved by the closing movement when closing the machine so that the bottom plate located in the first bottom position increasing the volume of the bulk material chamber in the second floor position is performed.
  • the transmission element is moved by the closing movement when closing the machine so that the bottom plate located in the first bottom position increasing the volume of the bulk material chamber in the second floor position is performed.
  • the bulk material chamber has a first volume in the bottom position of the bottom plate and a second volume in the bottom position of the bottom plate.
  • a volume change of the bulk material chamber from the first volume to the second volume in said axial movement of the bottom plate from the first bottom position to the second bottom position is preferably at least 10%, preferably at least 15% or 20%, in particular at least 25% or 30% of the first volume of the bulk material chamber ,
  • This volume variability thus allows a minimum chamber volume when filling the Portionier portionsers with the preparation, which allows improved handling when filling with bulk material and an increase in volume for the extraction process.
  • a material thickness of the wall can be 0.1 to 1 millimeter.
  • the bottom plate can be about twice as strong or stronger.
  • the capsule may be automatically prebend automatically upon closure of the preparation machine and the resulting displacement of the bottom plate from the first to the second bottom position before a fluid is injected into the chamber. It is thus no pressure build-up in the capsule interior for local breaking of the shell for the purpose of removing the prepared drink necessary.
  • the closing movement of the machine automatically perforates the capsule shell. An excessive compression of the preparation material and the associated pronounced disruption of the flow of the preparation material with the fluid supplied through the machine are thus prevented.
  • the portioning container be formed such that the wall remains substantially dimensionally stable at least in the said axial movement of the bottom plate when closing the machine.
  • a targeted piercing movement for piercing the distal end portion of the capsule with the bottom plate can be performed and / or the pressure of the transmission element can be optimally absorbed.
  • the dimensional stability of the wall allows the bottom plate, which is preferably also substantially dimensionally stable, to be guided on the wall, thus allowing a precise movement of the bottom plate.
  • the movement section is a dimensionally stable at least in the said axial movement of the bottom plate wall and dimensionally stable bottom plate, wherein the wall and the bottom plates are connected via a movement section.
  • the movement section it is preferable for the movement section to connect the base plate in a first folded position when the base plate is in the first base position and in a second folded position when the base plate is in the second base position.
  • the movement section can therefore preferably be folded from a folded position into a second folded position and back.
  • the axial movement from the first floor position to the second floor position is a parallel movement of the floor panel in the L direction such that the floor panel in the first floor position is parallel to the floor panel in the second floor position.
  • the movement portion is constructed circumferentially around the bottom plate symmetrical, in particular folded.
  • the moving section can also make it possible, by pressure or tension on a section of the edge section of the panel, to bring the panel into the one bottom position only with this section, while the peripherally opposite section of the edge section remains in the other bottom position.
  • the pressure or tension on the plate to change the bottom position is centered, ie center close to the plate, so that the whole bottom plate performs a parallel movement.
  • the wall on an outer side on axially extending, outwardly directed and circumferentially distributed around the wall arranged spacer ribs allow the portioning container can be optimally inserted with a predefined bulk material chamber volume in a capsule shell of predetermined shape.
  • the volume of bulk material can be adapted to the type of bulk material (for example milk powder, coffee powder and / or chocolate powder).
  • the spacer ribs may extend from a distal end of the wall to the first or last protrusion stage of the first, proximal annular space. You can also protrude distally over a distal end of the wall, for example. By 1 to 3 millimeters.
  • the spacer ribs provide the wall with improved stability for guiding the said axial movement of the bottom plate. Instead of the spacer ribs and other spacers, such as. Distance fingers, can be used.
  • the above-described structure of the portioning container can be loaded by pressurizing the bulk material chamber by the introduction of fluid such that the spacer ribs at least partly collapse in the radial direction.
  • heating may additionally help in collapsing the ribs and expanding the wall.
  • the wall only expands and forms no cracks. This allows the volume of the swelling bulk material, which increases the volume of fluid intake, to expand substantially unhindered. Thus, a liquid backlog due to excessive compression of the bulk material in the portioning can be further avoided.
  • the portioning container can thus be designed such that a two-stage enlargement of the bulk material chamber takes place in the beverage preparation.
  • the chamber In a first stage, the chamber can be enlarged by shifting the bottom plate when closing the machine after the capsule insert.
  • the chamber can be enlarged in a second stage.
  • the portioning container is flexibly constructed in such a way that the spacer ribs collapse at least partially under this pressure and any existing heat through a heated fluid (eg. 80-95 degrees Celsius warm water) and the wall radially and the movement section between the wall and bottom plates correspondingly extend until they fit over the capsule shell on the capsule cage of the machine.
  • the volume may increase again by up to 30% to 100%, especially about 50%.
  • the increase in volume allows a smoother extraction of the beverage by creating space for the expansion of the swelling bulk material.
  • the base plate and the transmission element are integrally formed, in particular produced by injection molding. This allows efficient production and a sufficiently strong and purpose-optimized connection of the two elements.
  • the bottom plate is formed as a filter element and has a plurality of through holes from the proximal side of the plate to a distal side of the plate.
  • the through holes preferably extend in the L direction, but may also be inclined to the plate center or perpendicular to the plate surface.
  • a diameter of the through holes in the longitudinal direction decreases (for example, from 0.8 millimeters to 0.5 millimeters);
  • the through-holes are therefore preferably tapered in the L-direction or in the distal direction.
  • the bottom plate on the distal side of the plate on a plurality of running between the through holes labyrinth webs to form a pressure-reducing flow path with a mating surface of the capsule shell.
  • a flow path of the prepared beverage passing from the proximal surface of the plate through a through-hole to the distal plate surface, with predetermined backflow, which allows a preparation of the beverage at a predetermined pressure in the bulk material chamber can take place.
  • the labyrinth ridges are preferably about 0.5 millimeters thick and about as high.
  • the webs are preferably arranged on concentric circles and preferably extend substantially over about a respective quarter circle. A radially directed gap between the lands may be about 1 to 2 millimeters.
  • Webs arranged on a circle can be circumferentially spaced about 1 to 2 millimeters and form a passage gap. It can be provided 2 to 8, in particular 4 concentric and radially perforated web rings.
  • the circle segments of immediately radially adjacent circle segments are preferably offset from one another. Preferably, an offset of 45 degrees, so that the passage gaps come to lie at the height of the center of the associated, radially immediately adjacent circle segment. These webs stiffen the bottom plate in addition.
  • the bottom plate is thus preferably formed (material thickness and / or structure) that it is substantially dimensionally stable when used as intended.
  • the base plate has a mandrel element which protrudes distally and is preferably arranged opposite the transmission element.
  • This mandrel element is preferably formed streamlined.
  • the mandrel element may have an arcuate longitudinal cross-section.
  • the mandrel element is surrounded by a multiplicity of distal tab elements projecting distally from the bottom plate and spaced from each other.
  • These distal tab elements are preferably coronal arranged along a circle on the bottom plate and about 2 to 4 millimeters, in particular 3 millimeters wide and about 4 to 7, in particular 5 or 6 millimeters high (in the L direction).
  • the distal tab members are arranged on a circle and spaced in pairs about a slot about 1 to 2 millimeters wide. This slot can widen distally by 10% to 100%.
  • a distal annular space accessible through the slits is formed between the spine element and the distal flap elements surrounding it, so that the prepared beverage passes outwardly through this annular space along the preferably streamlined mandrel, forming a single fluid jet.
  • the mandrel preferably projects beyond the distal tab elements by approximately 0.5 to 1 millimeter. These distal tab elements prevent fanning of the beverage jet which dissolves distally from the mandrel element and thus leaves the capsule. This is a targeted delivery of the prepared drink in the cup possible. Due to the special design of the capsule with the distal tab elements and the mandrel, preferably in conjunction with the capsule shell, the finished beverage from the capsule can be removed without the machine is polluted by the drink and therefore needs cleaning.
  • the portioning container is thus designed such that the axial movement of the bottom plate with the mandrel element can be used as a piercing movement for perforating a mating second protective film and / or the bottom plate is arched (ie concavely arched in the distal direction or proximal direction) ,
  • the curvature height is preferably about 1 to 10 millimeters, in particular about 5 millimeters.
  • the plate is rigidly designed for a parallel movement of the plate, then it is preferably curved in both plate positions outwards (relative to the capsule); however, if the plate is resilient and the movement of the plate is achieved by reshaping the plate, the plate is preferably curved inwardly in the first plate position (relative to the capsule) and less inwardly curved in the second plate position, preferably curved outwardly.
  • the distal tab elements are arranged around the mandrel element in such a way that the mandrel-element-side openings extend from one another through the labyrinth webs and from the respective through-hole to the distal tab elements reaching flow paths are each directed centrally on a distal tab member.
  • the fluid exiting between the labyrinth ridges against the distal tab members must flow around a portion of a distal tab member to be directed into the distal annulus to the spine member for exit. This prevents too rapid entry of fluid between the distal tab members, which could interfere with beverage jet training.
  • the wall has a proximal, laterally outwardly directed flange for engagement with the preparation machine.
  • the flange is provided by a stepwise projection of the wall.
  • a height of the wall from the distal end to the first stage of the projection may be about 1 to 2 centimeters, in particular about 1.6 centimeters.
  • Between the flange and the bulk material chamber in the radial direction about 5 millimeters wide and also deep, possibly stepped proximal annular space is formed.
  • the flange provides a proximal flange surface which extends radially outward from a proximal, radial end of the proximal annulus about 4 to 5 millimeters.
  • the proximal annulus surrounds a proximal end of the bulk material chamber.
  • a plurality of proximally projecting and spaced apart proximal tab members are arranged, which are in the extension of the preferably geradzylindrigen, located distally of the projection wall.
  • These proximal tab members are about 4 to 7 millimeters long, in particular about 6 millimeters long (in the L direction), about 2 to 5, in particular 3 millimeters wide and spaced in pairs by about 0.5 to 1 millimeter wide slots. Through these slots, a fluid entry from the proximal annulus is circumferentially distributed between the proximal tab elements in the bulk material chamber possible.
  • the proximal tab elements preferably have the curvature of the wall of the portioning container.
  • the portioning container described herein is integrally molded, in particular manufactured by an injection molding process.
  • a capsule comprising a portioning container as described above and a preferably oxygen-tight capsule shell for receiving the portioning container.
  • the capsule shell can in this case enclosing the Portionier disposer before and allow in the areas which are to be pierced, this puncture by a corresponding small material thickness. It is conceivable to provide a material weakening in these intended for piercing areas.
  • the capsule shell may have a proximal inlet opening and a distal outlet opening, wherein the proximal inlet opening is closed by a preferably oxygen-tight, by machine elements pierceable first protective film and the distal outlet opening by a preferably oxygen-tight, perforatable by the mandrel element or the distal tab elements second protective film, wherein the capsule is configured such that by transferring the bottom plate from the first bottom position to the second bottom position, the second protective film is perforated by the mandrel element.
  • a displacement path of the floor panel between the first and second floor positions may be about 2 to 6 millimeters.
  • a length of the transmission element is preferably chosen such that the transmission element extends from the bottom plate in the first bottom position to the first protective film, preferably slightly tensioning this film outwards so that the film spans the proximal inlet opening of the capsule shell in a convex manner.
  • a transfer height via a flange surface formed by the flange may be 1 to 3 millimeters. If the bottom plate is in the second bottom position, the proximal end of the transmission element is preferably about 1 to 3 millimeters below the surface formed by the flange.
  • the capsule shell may, for example, from a thermoformable, oxygen-tight, multi-layered Film material.
  • a layer of this film material may in particular be made of a polymer material with good oxygen barrier properties, preferably of ethylene vinyl alcohol copolymer (EVOH); other layers may in particular be made of polypropylene and / or polyethylene.
  • EVOH ethylene vinyl alcohol copolymer
  • a preferred material thickness of the wall is at least in the area of the planar structures about 0.3 to 1.1 millimeters.
  • the portioning container can thus be made of a non-oxygen-tight material.
  • the capsule does not have to be additionally welded into a gas-tight bag.
  • the protective films may in particular be made of aluminum or another material, in particular of a multilayer and oxygen-tight film.
  • the integrally molded portioning container is filled industrially with the bulk material in a filling machine.
  • the bulk material is compressed in the bulk material chamber.
  • the capsule shell with filled portioning container is sealed in oxygen-tight manner (protective foil (s) are welded on). If this capsule is then inserted into the preparation machine and the machine is closed, piercing elements of the machine perforate the first protective film and the mandrel element of the portioning container perforates the second protective film due to the above-described movement of the bottom plate.
  • the volume of the capsule increases by shifting the bottom plate.
  • the fluid in particular water, penetrate through the perforations of the first protective film in the capsule, there interact with the swelling beverage bulk, be filtered through the perforated bottom plate and leak as a finished beverage through the perforation of the second protective film.
  • FIG. 1 shows a portioning container 10 according to a preferred embodiment with a hollow cylindrical section, extending along a longitudinal direction L wall 11, which to the distal side (ie in Fig. 1 top in the direction L) is closed with a bottom plate 13.
  • the bottom plate 13 is fixed to a distal free end portion 111 of the wall 11, in a cylinder space formed by the wall 11.
  • FIG. 2 shows the portioning container 10 after Fig. 1 from the proximal direction (ie from below). Again, the wall 11 can be seen, which one in said cylinder space formed bulk chamber 20 radially limited. The bottom plate 13 limits the bulk material chamber 20 in the distal direction.
  • the portioning container 10 is thus shaped cup-shaped, wherein the bulk material chamber 20 for receiving the beverage powder, so for example. The coffee, chocolate or milk powder is used.
  • the bulk material chamber 20 has the shape of a straight cylinder portion and extends from the proximal end of the wall 11 to the bottom plate thirteenth
  • spacer ribs 112 are attached on an outer surface 110 of the wall 11 axially, ie in the L direction extending, flat or equivalent acting configured spacer ribs 112 are attached. These spacer ribs 112 taper radially in the distal direction, so that the spacer ribs 112 are substantially triangular in shape and decrease in the radially projecting height, against the distal end of the portioning container 10.
  • the spacer ribs 112 are arranged circumferentially around the wall at regular intervals. They extend from the proximal end of the wall 11 to its distal end 111, ie substantially over the entire height in the L direction of the container 10.
  • the spacer ribs 112 serve the optimal position of the portioning container 10 in the capsule shell 5 described below and are configured in that they are collapsible by the extraction process.
  • a flange 12 is attached, which is formed by a stepwise projection of the wall 11 in the proximal region of the container 10.
  • the flange 12 is used for connection with the aforementioned capsule shell 5 and with a capsule cage of an extraction or preparation machine 2, in which the capsule 1 is inserted for beverage preparation.
  • a first protective film 61 can be welded to this flange.
  • the wall 11 widens gradually from the flange 12.
  • proximal tab members 114 are described in a circle on a cross section of the straight cylinder portion Circle arranged.
  • the substantially plate-like proximal tab elements 114 are in this case arranged relative to one another such that in each case between two adjacent tab members 114, a slot 116 is formed.
  • a proximal free end portion of the wall 11 is provided with axial slots 116, with which the proximal tab members 114 are provided.
  • the projection of the wall 11 sets at the foot of the tab member 114, which as the wall 11 there is divided into the tab member 114 and the flange 12.
  • slots 116 are a little less than 1 millimeter wide, with the tab members 114 being a few millimeters, more preferably about 3 to 4 millimeters wide and about 6 millimeters long.
  • the plate-like proximal tab members 114 are arched around the L direction so as to follow the circular cross section of the wall 11.
  • the proximal free ends 115 of the tab members 114 are each plan-cut and provide perpendicular to the L-direction, free end surfaces ready, so that they are aligned with a proximally facing surface of the flange 12.
  • the first protective film 61 on the end faces of the free ends 115 of the tab members 114 and on the flange 12 are welded.
  • the projection of the wall 11 extends radially from the foot of the tab members 114 to the outside, gradually in the proximal and radial directions and finally terminates in the flange 12.
  • a continuous proximal annular space 15 is formed between the flange 12 and the proximal tab members 114.
  • This proximal annular space 15 (stepped to about 5 millimeters deep and stepped up to 5 millimeters wide) is thus defined by the stepped projection and the proximal tab members 114 and is closed by the first protective film 61.
  • the annular space 15 is fluidically connected to the bulk material chamber 20 through the slots 116.
  • the liquid entry for the preparation of the beverage can be done directly in this annulus 15 so that the annulus 15 circumferentially distributed the liquid flow around the entire bulk material chamber 20 and through the slots 116 then equally distributed in the bulk material chamber 20 initiates.
  • a uniform inflow of the preparation liquid is guaranteed.
  • Free spaces 117 are formed between the spacer ribs 112, each through a portion of the outer surface 110, a portion of the distally directed side of the flange 12 and two adjacent spacer ribs 112 are limited.
  • twelve equidistantly distributed spacer ribs 112 are provided. There may be more or fewer spacer ribs 112, depending on their thickness, shape and stability.
  • the bottom plate 13 has a proximal surface 137 and distal surface 138 (see FIG. Fig. 3 ).
  • distal surface 138 distally projecting labyrinth ridges 130 are arranged, which form a labyrinth structure on the bottom plate 13.
  • These labyrinth webs 130 are in this case formed in such a way that they form circular arc segments which are arranged in groups one after the other and span one of four concentric circles per group. These circles are arranged equidistantly concentrically around a center of the plate 13. Due to the spacing of the approximately quarter-circular arc segments, circumferential openings or gaps 1300 are present in the radial direction.
  • the labyrinth webs 130 are now arranged such that the circular arc segments of different groups each offset from each other in the radial direction, so that the openings 1300 are not in line with the center of the plate 13. Is the bottom plate 13 in the second floor position (s. Fig. 4 ) so it forms with the capsule shell 5 a pressure-reducing flow path for the fluid.
  • through-bores 131 are provided, which run continuously from the distal surface 138 of the bottom plate 13 to the proximal surface 137 (see, for example, FIG. Fig. 3 ).
  • the through-holes 131 are respectively arranged in the concentric circular regions of the bottom plate 13 released by the labyrinth webs 130.
  • a clear width of the passage openings narrows in the L direction.
  • the through holes 131 are thus arranged between the adjacent labyrinth webs 130 of different groups and dimensioned such that a liquid penetration through the bottom plate 13 is optimally ensured at the typically prevailing pressure conditions, while the bulk material or beverage powder can not penetrate through these through holes 131.
  • the bottom plate 13 thus acts as a filter, wherein on the distal surface 138, a labyrinth structure is attached to the seal with a opposite side.
  • these through holes 131 are already prefabricated in the Portioning 10 and need not be produced by perforation in the preparation of the drink.
  • the bottom plate 13 is concave outwards, that is, in the distal direction, curved. This bulge in the L direction allows a larger screen area and a better discharge of the liquid passing through the holes 131.
  • the plate 13 is also shaped complementarily to the opposite portion of the capsule shell 5, the latter being shaped complementarily to the capsule cage 3.
  • an edge region 139 has a collar 1390 that bends proximally about 80 degrees to the plate surface 138, 139 (see FIG. Fig. 3 ). This collar 1390 thus has a more inclined against the monolith 14 Truncated cone surface than a central region of the bottom plate thirteenth
  • a streamlined mandrel element 143 is arranged on the distal side 138, which is dimensioned such that a perforation in an associated protective film 62 has a size which ensures an optimal outflow of the preparation liquid.
  • distal tab members 144 are arranged, which also form a circle around the mandrel member 143, so that between the distal tab members 144 and the mandrel member 143, a further distal annular space 16 is formed.
  • the distal annulus 16 is about 2 millimeters wide and 5 millimeters high.
  • the mandrel element 143 protrudes beyond the tab elements 144 by approximately half a millimeter with its tip in the distal direction.
  • the tab elements 144 are also arched in such a way that they follow the circle around the mandrel element 143 and in each case arranged so that between each two adjacent distal tab members 144 each have a slit 146 approximately 1 to 2 millimeters wide, widening in that direction.
  • the slots 146 are arranged such that they are aligned centrally on the immediately adjacent labyrinth webs 130. It is thus ensured that the preparation liquid emerging from the labyrinth does not flow directly onto the mandrel 143 but must flow around the tab elements 144 in order to reach the slot 146 and to flow out along the mandrel element 143 through a perforation introduced through this mandrel element 143.
  • a rigid, extending in the L direction transmission element 14 is shown, which is arranged like a plunger and centrally in the bulk material chamber 20 and connected to the bottom plate 13.
  • the monolith 14 is in this case arranged opposite the mandrel element 143.
  • the monolith 14 is further configured such that it can be pushed onto the monolith 14 from the proximal direction to exert distally acting pressure on the bottom plate 13.
  • the monolith is formed as a bar with reinforcing ribs, as in Fig. 2 shown. These reinforcing ribs extend in the axial direction and increase the buckling stability of the monolith 14.
  • FIG. 1 shows the axially movable bottom plate 13 in a first bottom position with a length of the monolith 14 dimensioned such that a proximal end of the monolith 14 projects above the proximal surfaces of the flange 12 when the bottom plate 13 is in the first bottom position (see FIG. Fig. 3 ).
  • FIG. 3 shows the portioning container 10 after the Figures 1 and 2 in cross-section, wherein this is inserted into a capsule shell 5, which is complementary to the portioning container 10 and complementary to the capsule cage 3 (s. FIGS. 5 and 6 ) is formed.
  • Out Fig. 3 shows that the spacer ribs 112 abut each flush with the inside of a lateral wall 50 of the capsule shell 5.
  • the capsule shell 5 closes the free spaces 117 between the spacer ribs 112 in the radial direction.
  • FIG. 3 also shows how the bottom plate 13 is fastened to the wall 11.
  • a flexible, folded movement section 136 is provided, which is fixed to the edge of the plate 13 and is fastened on the inside via a folding directly via a connecting portion 132 on the wall 11.
  • the flexible movement portion 136 is here designed so that it is more flexible than the bottom plate 13.
  • a thickness of the bottom plate 13 is selected so that it remains substantially dimensionally stable in use, while the movement portion 136 due to a relative to the bottom plate 13 reduced material thickness (about one third of the bottom plate 13) from the first folding position according Fig. 3 in a second folded position according figure 4 can be moved by the bottom plate 13 from the first floor position to the second floor position according to Fig. 4 is encountered.
  • the impact movement can be performed via the monolith 14.
  • the attachment region 136 is a preferably fluid-tight-sealing layer, which fixes the base plate 13 peripherally on the wall 11, so that a fluid-tight cup is formed.
  • the actuation of the movement of the bottom plate 13 from the first floor position to the second floor position can thus be carried out via the actuation element, ie the monoliths 14.
  • the proximal free end of the monolith 14 is pressed in the distal direction, so that the force is transmitted to the bottom plate, which is made in one piece with the monolith 14, resulting in that the bottom plate 13 moves in the distal direction relative to the wall 11 and thereby the movement section 136 according to the first configuration Fig. 3 in the configuration according to Fig. 4 emotional.
  • the capsule shell 5 further has a proximal flange 51, in which the proximal flange 12 of the portioning container 10 in a recess according to FIGS. 3 and 4 can be used.
  • the capsule shell 5 tapers with the wall 50, wherein adjoins the distal end of the truncated cone with a distal bulge 54.
  • This bulge 54 provides a space 53 in which the tab members 144 and the mandrel member 143 penetrate from the first bottom position to the second bottom position upon displacement of the bottom plate n13.
  • a distal end of the Bulge 54 is covered by a second protective film 62.
  • This second protective film 62 is preferably, like the entire capsule shell 5 and the first protective film 61, formed so as to be oxygen-tight, so that optimum aroma protection for the bulk material in the bulk material chamber 20 is provided. If the bottom plate 13 is now guided into the second bottom position, the mandrel element 143 penetrates with its distal tip the second film element 6 and provides a flow to the outside, so that the penetrating through the through holes 131 and penetrating through the pressure-reducing flow path into the distal annulus 16 Fluid from the capsule 1 can escape. In order to improve this penetration, the free distal ends of the distal tab members 144 are also bevelled, ie formed so sharp that the penetration of the film is supported by the height of the recessed tips of the distal tab members 144.
  • a space 52 is provided between the distal surface 138 and the inside of the truncated cone 54.
  • the bottom plate 13 is guided displaceably in the axial direction substantially through the space 52 and thereby the bulk material chamber 20 increases in terms of volume. Due to the bellows-like configuration of the movement region 136 with a wall-side section 132, a proximally directed second section 133, a radially traversing third section 134 and a fourth section 135, which returns distally to the edge side 139 of the bottom plate 13, not only the necessary mobility for the penetration of the Guaranteed bottom plate in space 52, but also that the preparation liquid can penetrate only through the passage through the holes 131 in the bottom plate 13 to the outside.
  • FIGS. 5 and 6 show the capsule 1 described above inserted into the stylized preparation machine 2.
  • the machine 2 comprises a capsule cage 3, which is complementary to the capsule 1 is formed.
  • the capsule cage 3 has a proximal insertion opening 31, via which the capsule 1 into the capsule cage 3 is insertable.
  • the capsule cage 3 also has a distal outlet opening 32, through which the prepared beverage flowing out of the capsule 3 can escape to the outside.
  • the machine 2 further comprises a closing element 4, by means of which the capsule cage 3 can be closed proximally. This closing element 4 closes the capsule cage 3 completely from the periphery and has a channel 40 with a directed against the capsule cage 3 piercing 41.
  • the piercing element 41 is hollow and pointed and provided to the preparation liquid, ie in particular water, from the preparation machine 2 through channel 40th to lead into the capsule 1.
  • the channel 40 and the piercing element 41 is arranged and formed laterally such that the piercing element 41 when the machine 2 is closed (see FIG. Fig. 6 ) pierces the protective film 61 and the preparation liquid is introduced directly into the proximal annular space 15.
  • the closing element 4 has a stamping element 42, which is designed to press the transfer element 14 out of the closure element 4 in the distal direction, so that the bottom plate 13 can be moved from the first bottom position (see FIG. Figures 3 and 5 ) in the second floor position (s. FIGS. 4 and 6 ) is convertible.
  • the stamping element 41 essentially provides a stop surface for the transfer element 14, so that the closing movement for closing the capsule cage 3 is partially transferable to the bottom plate 13 for its displacement.
  • the machine 2 is not yet closed.
  • the closing element 4 is in an open position and the first stamping element 42 is spaced from the transfer element 14, which is located below the bulging protective film 61 distal to the stamping element 4.
  • the laterally mounted piercing element 41 is also spaced apart from the protective foil 61, specifically in the L direction, proximally from the proximal annular space 15.
  • the machine 2 can be closed. Accordingly, the closing element 4 from the open position to Fig. 5 in the closed position FIG. 6 guided.
  • the piercing element 41 pierces the protective film 61 and protrudes with a distal mouth opening into the proximal annular space 15 for liquid introduction.
  • the stamping element 42 contacts the transfer element 14 via the bulging protective film 61 and presses the transfer element 14 distally in the L direction so that the bottom plate 13 is brought from the first to the second bottom position. Is the closing element 4 in Closing after Fig. 6
  • the system is ready for liquid entry and extraction of the beverage through exit port 32.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)

Claims (19)

  1. Récipient de fractionnement (10) pour une matière de boisson en vrac destinée à la préparation d'une boisson, comprenant:
    une paroi (11) limitant latéralement le récipient de fractionnement (10);
    une plaque de fond (13) limitant de façon distale le récipient de fractionnement (10);
    dans lequel une chambre de matière (20) destinée à contenir une quantité dosée de matière de boisson en vrac est formée par la paroi (11) et la plaque de fond (13); et
    dans lequel une zone de préférence centrale de la plaque de fond (13) est mobile axialement par rapport à la paroi (11) entre une première et une deuxième position de fond, de telle manière qu'un volume de la chambre de matière (20) soit variable, dans lequel la plaque de fond (13) présente un élément de picot (143) saillant en position distale,
    caractérisé en ce que la plaque de fond (13) est reliée à la paroi (11) par une partie mobile périphérique (136),
    en ce que la plaque de fond (13) présente un élément de transmission rigide (14) sortant en position proximale pour ledit mouvement axial de la plaque de fond (13) lors d'une utilisation normale, et en ce que la plaque de fond (13) est formée par un élément de filtre et présente une multiplicité de trous de passage (131) d'un côté de plaque proximal (137) à un côté de plaque distal (138).
  2. Récipient de fractionnement (10) selon la revendication 1, dans lequel la plaque de fond (13) et l'élément de transmission (14) sont façonnés en une seule pièce.
  3. Récipient de fractionnement (10) selon la revendication 1 ou 2, dans lequel la plaque de fond (13) présente sur le côté de plaque distal (138) une multiplicité de nervures en labyrinthe (130) s'étendant entre les trous de passage (131) pour la formation d'une section d'écoulement avec une face opposée pour diminuer la pression.
  4. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 3, dans lequel l'élément de transmission (14) est rigide et est de préférence disposé au centre sur la plaque de fond (13) et/ou dans lequel l'élément de transmission (14) sort en position proximale au-delà de la paroi (11), lorsque la plaque de fond (13) se trouve dans la première position de fond.
  5. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 4, dans lequel la partie mobile (136) est réalisée dans une partie d'extrémité distale (111) sur la paroi (11) et du côté du bord sur la plaque de fond (13).
  6. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 5, dans lequel la plaque de fond (13) est réalisée de telle manière que sa forme soit essentiellement stable lors dudit mouvement axial.
  7. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 6, dans lequel la chambre de matière (20) présente un premier volume lorsque la plaque de fond (13) se trouve dans la première position de fond et un deuxième volume lorsque la plaque de fond (13) se trouve dans la deuxième position de fond, dans lequel un changement de volume de la chambre de matière (20) lors dudit mouvement axial de la plaque de fond (13) du premier volume au deuxième volume vaut au moins 10 %, de préférence au moins 15 % ou 20 %, en particulier au moins 25 % ou 30 %, du premier volume de la chambre de matière (20).
  8. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 7, qui est configuré de telle manière que la paroi (11) garde une forme essentiellement stable lors dudit mouvement axial de la plaque de fond (13).
  9. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 8, dans lequel la paroi (11) présente des nervures d'écartement (112) s'étendant axialement, orientées vers l'extérieur et disposées de façon répartie suivant la périphérie autour de la paroi (11).
  10. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 9, dans lequel la plaque de fond (13) présente un élément de picot (143) disposé à l'opposé de l'élément de transmission (14).
  11. Récipient de fractionnement (10) selon la revendication 10, dans lequel l'élément de picot (143) est entouré d'une multiplicité d'éléments de patte distaux (144) saillants en position distale sur la plaque de fond (13) et alignés à distance l'un de l'autre, dans lequel les éléments de patte distaux (144) sont disposés de préférence en forme de couronne le long d'un cercle sur la plaque de fond (13) autour de l'élément de picot (143).
  12. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 11, qui est configuré de telle manière que le mouvement axial de la plaque de fond (13) avec l'élément de picot (143) soit utilisable comme mouvement de perçage pour perforer une deuxième feuille de protection (62) disposée à l'opposé.
  13. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 12, dans lequel la plaque de fond (13) est de forme bombée.
  14. Récipient de fractionnement (10) selon la revendication 11 et la revendication. 12, dans lequel les éléments de patte distaux (144) sont disposés autour de l'élément de picot (143) de telle manière que des orifices (1300) côté élément de picot de chemins d'écoulement formés par les nervures en labyrinthe (130) et allant du trou de passage respectif (131) jusqu'aux éléments de patte distaux (144) soient orientés respectivement au milieu vers un élément de patte distal (144).
  15. Récipient de fractionnement (10) selon la revendication 14, dans lequel la paroi (11) présente une bride proximale (12), orientée latéralement vers l'extérieur, dans lequel une chambre annulaire proximale (15) entourant la chambre de matière (20) est formée entre la bride (12) et la chambre de matière (20), dans lequel une multiplicité d'éléments de patte proximaux (114) saillants en position proximale et alignés à distance l'un de l'autre sont disposés entre la chambre annulaire proximale (15) et la chambre de matière (20), de telle manière qu'un apport de liquide dans la chambre annulaire proximale (15) puisse être introduit dans la chambre de matière (20) en étant réparti en périphérie, entre les éléments de patte proximaux (114).
  16. Récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 15, qui est formé en une seule pièce, et est de préférence fabriqué par un procédé de moulage par injection.
  17. Capsule (1) comprenant un récipient de fractionnement (10) selon l'une quelconque des revendications 1 à 16 et une enveloppe de capsule (5) de préférence étanche à l'oxygène destinée à contenir le récipient de fractionnement (10).
  18. Capsule (1) selon la revendication 17, dans laquelle l'enveloppe de capsule (5) présente un orifice d'entrée proximal (55) et un orifice de sortie distal (56), dans laquelle l'orifice d'entrée proximal (55) est fermé par une première feuille de protection (61) de préférence étanche à l'oxygène et l'orifice de sortie distal (56) est fermé par une deuxième feuille de protection (62) de préférence étanche à l'oxygène, dans laquelle la capsule (1) est configurée de telle manière que la deuxième feuille de protection (62) puisse être perforée par le transfert de la plaque de fond (13) de la première position de fond à la deuxième position de fond.
  19. Système de capsule avec une machine de préparation (2) et une capsule (3) selon une des revendications 17 ou 18 pour la préparation d'une boisson.
EP15166534.6A 2014-05-06 2015-05-06 Récipient de fractionnement pour une capsule destinée à la préparation de boisson Not-in-force EP2942312B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00681/14A CH709598A2 (de) 2014-05-06 2014-05-06 Portionierbehälter für eine Kapsel zur Getränkzubereitung.

Publications (2)

Publication Number Publication Date
EP2942312A1 EP2942312A1 (fr) 2015-11-11
EP2942312B1 true EP2942312B1 (fr) 2017-08-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15166534.6A Not-in-force EP2942312B1 (fr) 2014-05-06 2015-05-06 Récipient de fractionnement pour une capsule destinée à la préparation de boisson

Country Status (5)

Country Link
EP (1) EP2942312B1 (fr)
CH (1) CH709598A2 (fr)
ES (1) ES2646277T3 (fr)
NO (1) NO2942312T3 (fr)
PT (1) PT2942312T (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20153624A1 (it) * 2015-09-15 2017-03-15 Medys S R L Capsula monouso per macchine di erogazione di bevande in forma di infuso
EP3595987B1 (fr) * 2017-03-17 2021-04-14 Productos Solubles S.A. Capsule pour préparer une boisson

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100964514B1 (ko) 2002-01-16 2010-06-21 소시에떼 데 프로듀이 네슬레 소시에떼아노님 개방 수단을 갖춘 밀폐 캡슐
NL1031177C2 (nl) * 2006-02-17 2007-08-20 Meccano Asia Ltd Verpakking en inrichting voor het bereiden van een drank.
NL2000401C2 (nl) * 2006-12-22 2008-06-24 Friesland Brands Bv Cup met statische menger en werkwijze voor bereiding van een vloeibaar product.
ITMO20070143A1 (it) * 2007-04-27 2008-10-28 Massimiliano Pineschi Capsula per contenere dosi di bevande solubili
IT1395924B1 (it) * 2009-09-25 2012-11-02 Masciadri Capsula di contenimento di un prodotto particolarmente per la preparazione di una bevanda alimentare
TW201200433A (en) * 2010-05-06 2012-01-01 Brita Gmbh Container and device with such a container
DE102010030988B4 (de) * 2010-07-06 2012-04-05 Brita Gmbh Behälter
ITMO20120056A1 (it) * 2012-03-07 2013-09-08 Sarong Spa Capsula per bevande

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2646277T3 (es) 2017-12-13
NO2942312T3 (fr) 2018-01-06
EP2942312A1 (fr) 2015-11-11
PT2942312T (pt) 2017-11-10
CH709598A2 (de) 2015-11-13

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