WO2019149875A2 - Capsule pour la préparation d'une boisson dans une machine de préparation de boissons, procédé de fabrication d'une capsule, machine pour la fabrication d'une capsule et procédé de préparation d'une boisson à l'aide d'une machine de préparation de boissons et d'une capsule - Google Patents

Capsule pour la préparation d'une boisson dans une machine de préparation de boissons, procédé de fabrication d'une capsule, machine pour la fabrication d'une capsule et procédé de préparation d'une boisson à l'aide d'une machine de préparation de boissons et d'une capsule Download PDF

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Publication number
WO2019149875A2
WO2019149875A2 PCT/EP2019/052479 EP2019052479W WO2019149875A2 WO 2019149875 A2 WO2019149875 A2 WO 2019149875A2 EP 2019052479 W EP2019052479 W EP 2019052479W WO 2019149875 A2 WO2019149875 A2 WO 2019149875A2
Authority
WO
WIPO (PCT)
Prior art keywords
bead
capsule
partially
flange
portion capsule
Prior art date
Application number
PCT/EP2019/052479
Other languages
German (de)
English (en)
Other versions
WO2019149875A3 (fr
Inventor
Marc KRÜGER
Günter EMPL
Original Assignee
K-Fee System Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by K-Fee System Gmbh filed Critical K-Fee System Gmbh
Publication of WO2019149875A2 publication Critical patent/WO2019149875A2/fr
Publication of WO2019149875A3 publication Critical patent/WO2019149875A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B29C66/7422—Aluminium or alloys of aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7174—Capsules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B29/00—Packaging of materials presenting special problems
    • B65B29/02—Packaging of substances, e.g. tea, which are intended to be infused in the package
    • B65B29/022—Packaging of substances, e.g. tea, which are intended to be infused in the package packaging infusion material into capsules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
    • B65B7/165—Securing by deformation of the web material

Definitions

  • Portion capsule for preparing a beverage in a beverage production machine method for producing a portion capsule, machine for producing a portion capsule and method for producing a beverage with a beverage preparation machine and a portion capsule
  • the present invention is based on a portion capsule for the preparation of a beverage in a beverage production machine, the portion capsule having a base element with a cavity for receiving a beverage raw material and a capsule lid closing the cavity, wherein the capsule lid is fastened to a circumferential flange of the base element is, is provided on the flange of the base member a sealing element.
  • portion capsules are known in the art.
  • DE 10 2013 215 274 A1 discloses portion capsules for portion capsule machines each having a rigid or semi-rigid base element which encloses a cavity for receiving a beverage raw material, such as coffee roast granules, instant coffee, chocolate powder, tea mixture, milk powder or the like , wherein the cavity is closed after filling the portion capsule with a capsule lid.
  • a beverage raw material such as coffee roast granules, instant coffee, chocolate powder, tea mixture, milk powder or the like
  • the base element is gas and liquid tight.
  • the portion capsule is usually introduced into a brewing chamber of a preparation device and opened on a first side and on a second side. Subsequently, the preparation liquid, preferably hot water, is conveyed under pressure through the first side into the portion capsule. The preparation liquid flows through the beverage raw material and extracts and / or dissolves the substances required for beverage production from the beverage raw material before it exits again as a beverage on the second side.
  • the preparation liquid preferably hot water
  • the base element must withstand the production of the beverage comparatively high mechanical forces, since the preparation liquid under high pressure and high Temperature is introduced into the cavity to produce the beverage in interaction with the beverage raw material. In this case, it must be prevented that the preparation liquid passes the base element and passes into the brewing chamber and contaminates or even damages it.
  • the document EP 2757 056 A1 provides a fastening area between the zig-zag structure and the portion capsule wall. Due to the large spatial extent and the practicable design of the flange is also set the limits and does not provide a satisfactory mounting option.
  • the object of the present invention is achieved with a portion capsule for preparing a beverage in a beverage production machine, the portion capsule having a base element with a cavity for receiving a beverage raw material and a capsule lid closing the cavity, wherein the capsule cover is at least partially encircling Flange of the base member is fixed, wherein the flange has a circumferential bead, characterized in that the capsule lid is at least partially secured in the region of the bead on the flange.
  • the portion capsule according to the invention has the advantage over the prior art that penetration of preparation liquid into the brewing chamber of the beverage production machine is effectively prevented, aluminum, aluminum mixtures, other metals or metal mixtures can be used and sufficient space is available for fastening the capsule lid ,
  • the circumferential bead is pressed after inserting the portion capsule in the beverage production machine when closing the brewing chamber so that it forms a liquid-tight seal.
  • the bead forms a continuous groove, which adapted to the shape of the flange, preferably circular, the flange rotates.
  • the seal is at pressures between 0.5 bar and 50 bar, preferably between 2 bar and 25 bar, more preferably between 5 bar and 20 bar, in particular between 6 bar and 18 bar and at temperatures between 0 ° C and 100 ° C, preferably between 20 ° C and 100 ° C, more preferably between 40 ° C and 100 ° C, in particular between 55 ° C and 100 ° C liquid-tight.
  • the seal is furthermore preferably vapor-tight.
  • the capsule lid is at least partially fastened to the flange, but in particular the capsule lid is also partially fastened to the bead.
  • the capsule lid is fully attached to the bead, but it is also conceivable that the capsule lid is attached only to parts of the bead.
  • the capsule lid is attached only to one part of the bead, which is closer to a center of the flange defined by the flange. It would also be conceivable that the capsule lid is attached only to a part of the bead, which lies farther away from the center of the flange. Furthermore, it would be conceivable that the capsule lid is attached only to a part of the bead, which is the part of the bead which is furthest away from the main extension plane of the capsule lid in a direction orthogonal to the main extension plane of the capsule lid. The latter area is referred to below as a bead bottom.
  • the outer edge of the flange is deformed to a thickening.
  • a further seal is realized in an advantageous manner.
  • the base element consists of a plastic, a metal or a plastic-metal mixture or a plurality of layers, which are each made of a metal, a plastic or a metal-plastic mixture consists.
  • the capsule cover made of a plastic, a metal or a plastic-metal mixture or from a plurality of layers, which are each made of a metal, a plastic or a metal-plastic mixture consists, wherein the metal in particular, is an aluminum material.
  • the capsule lid is preferably secured by ultrasonic sealing or heat sealing or laser welding.
  • the portion capsule is preferably frusto-conical or cylindrical.
  • the cavity formed by the base element serves to receive beverage raw material, for example coffee roast granules, instant coffee, chocolate powder, tea mixture, milk powder or the like.
  • the portion capsule in the cavity to a fleece, a felt or another filter.
  • the location of the portion capsule which is furthest away from the capsule lid is referred to below as the capsule bottom.
  • the capsule lid is suitable to be opened by an opening element outside the portion capsule. Furthermore, it is conceivable that the capsule lid is suitable to be stretched elastically or inelastically by pressure in the cavity of the portion capsule. Furthermore, it is conceivable that the capsule lid is suitable to be stretched elastically or inelastically by pressure, which arises during introduction of preparation liquid into the hollow space, such that the capsule lid touches the opening element with pressure such that the opening element of the capsule lid opens.
  • the opening element is preferably a relief structure with a plurality of tips, the tips pointing in the direction of the capsule cover. It is conceivable that the opening element pierces the capsule lid at one or at a plurality of points and the capsule lid so öff liquid continuous.
  • the portion capsule is suitable for being opened at the capsule bottom, for allowing a preparation liquid to flow through the capsule bottom under pressure into the cavity, which capsule lid is suitable, from the pressure of the preparation liquid.
  • the capsule lid is suitable, from the pressure of the preparation liquid.
  • the capsule lid is fastened at least partially with a sealing seam on the flange, at least in the region of the bead.
  • a sealed seam is a safe and durable connection and at the same time cheap, quick and very precisely applicable. It is conceivable that the sealing seam is produced by ultrasonic sealing with a sonotrode. Furthermore, it is conceivable that the sealing seam is produced by the introduction of heat by means of thermosealing.
  • the sealing seam in the region of the bead can be arranged over the whole area of the bead or at one or more locations in the area of the bead. This ensures that even with unfavorable bead geometries the capsule lid can be fastened to the flange with a sealed seam in the area of the bead.
  • the sealing seam is arranged at least partially on a bead bottom, where the bead bottom is the part of the bead in which the flange is farthest from the main extension plane of the flange, and / or the seal seam is at least partially disposed on one or more bead walls, wherein a bead wall is a part of the bead on which the flange is disposed obliquely to the main extension plane of the flange.
  • the bead is formed in the direction away from the capsule cover. This means that the bead forms a groove, wherein the bead bottom lies on the side of the main extension plane of the flange, which faces the capsule bottom. This allows a clever structural design of the brewing chamber of the beverage production machine.
  • the bead is in a sectional plane, wherein the cutting plane is perpendicular to the main extension plane of the capsule lid and cuts the portion capsule in the middle, has a polygonal, preferably a rectangular, a trapezoidal, a square or a triangular cross-section or a circular segment or an ovalseg- mentigen cross-section.
  • a rectangular or square cross-section has the advantage that there is a large area at the bottom of the bead for attaching the capsule lid parallel to the main extension plane of the flange.
  • a rounded, ie circular segment or oval segment, cross section allows the formation of the bead with relatively little use of material.
  • a triangular or trapezoidal cross-section advantageously makes it possible to align the base element during the production of the portion capsule when attaching the capsule lid by the mechanical insertion of the capsule lid and / or a fastening device in the bead.
  • bead walls and / or the bead bottom are aligned parallel, orthogonal and / or obliquely to the main extension plane of the flange.
  • the bead has a depth of 0.2 mm to 5 mm, preferably 0.5 mm to 3 mm, particularly preferably about 2 mm. Depth is to be understood here as meaning that the depth is the extent in one direction orthogonal to the main extension plane of the flange.
  • the bead at its widest point has a width of 0.2 mm to 5 mm, preferably 0.5 mm to 4 mm, particularly preferably about 3 mm.
  • Width is to be understood here as meaning that the width is the extent along an axis, which in the above-mentioned sectional plane is parallel to the main extension plane of the flange.
  • the bead walls have an angle to the surface normal on the main extension plane of the flange of 20 ° to 160 °, preferably 45 ° to 1 10 °, particularly preferably about 60 °.
  • the bead is at least partially filled with a filling material. This makes it possible in an advantageous manner that the capsule lid is indirectly attached to the bead.
  • the filling material is elastic, wherein the filling material is arranged at least partially between the flange and the capsule lid in the region of the bead, the filling material being at least partially fixed to the bead, wherein the capsule lid is attached at least partially in the region of the bead on the filling material.
  • the capsule lid does not project, or only partially, into the bead, but is nevertheless fastened to the bead, and furthermore due to the elasticity of the filler material. It is ensured that the bead fulfills its function for sealing. It is conceivable that the filling material is an adhesive.
  • the filler material is material, force, or positively connected to the flange.
  • the filling material is elastic, wherein the capsule cover is arranged at least partially between the flange and the filling material in the region of the bead, wherein the filling material is at least partially fastened in the bead in a form-fitting manner ,
  • the capsule lid it is advantageously possible for the capsule lid to be fastened in the region of the bead by being clamped by the filling material in the bead. It is conceivable that the filling material is placed or sprayed on the capsule lid in the bead and then extruded. It is also conceivable that the filler is hooked or clicked. Because the filling material is elastic, the sealing is ensured by the bead.
  • the capsule lid is inelastically expandable at least in the region of the bead.
  • the bead is provided such that under pressure the shape and / or the volume of the bead is variable. This advantageously makes it possible for the shape of the bead to conform to the structure of the part against which it is pressed during sealing. As a result, inaccuracies in the bead or parts of the beverage production machine can be compensated for and a higher density can be achieved.
  • the portion capsule and / or the capsule lid are at least partially made of an aluminum material.
  • Aluminum is capable of withstanding high temperatures and high pressures. It is easy to process and protects the contents of the portion capsule excellent, for example, against harmful environmental influences such as sunlight, dehydration, moisture, against contamination or contamination by bacteria or germs.
  • the flange has a thickening at its outer edge. This is realized in another advantageous manner a further seal.
  • a further subject of the present invention is a process for the production of a portion capsule according to one of claims 1 to 10, wherein in a first step the base element is subjected to a forming process, in particular a thermoform process, a pressure forming process, a draw-forming process, a draw-forming process, a A one-component or multi-component injection molding process and / or an in-mold process is produced, preferably from an aluminum material by means of prototyping or forming, in particular hot forming or cold forming is produced and in a second step the capsule cover form, force and / or cohesive at least partially, in particular at least partially in the region of the bead, is connected to the flange, wherein between the first step and the second step, a beverage raw material is filled into the cavity.
  • a forming process in particular a thermoform process, a pressure forming process, a draw-forming process, a draw-forming process, a
  • the base element made of a plastic, a metal or a plastic-metal mixture or from a plurality of layers, which are each made of a metal, a plastic or a metal-plastic mixture to produce, the material in particular, is an aluminum material.
  • the capsule cover made of a plastic, a metal or a plastic-metal mixture or from a plurality of layers, which are each made of a metal, a plastic or a metal-plastic mixture to produce.
  • the capsule lid is at least partially attached to the flange, but in particular the capsule lid is also partially attached to the bead.
  • the capsule lid is attached to the bead over the entire surface, but it is also conceivable that the capsule lid is fastened only to parts of the bead. It would be conceivable that the capsule lid is attached only to one of the part of the bead, which is closer to a defined by the flange center of the flange. It would also be conceivable that the capsule lid is attached only to a part of the bead, which lies farther away from the center of the flange.
  • the capsule lid is attached only to a part of the bead, which is the bead bottom part of the bead bottom.
  • the portion capsule is preferably made frusto-conical or cylindrical.
  • the cavity formed by the base element serves to receive beverage raw material, for example coffee roast granules, instant coffee, chocolate powder, tea mixture, milk powder or the like.
  • the beverage raw material is filled between the first step and the second step.
  • a fleece, a felt or another filter is introduced into the cavity of the portion capsule.
  • the portion capsule is manufactured in such a way that the capsule bottom can be opened through which the preparation liquid can flow under pressure through the capsule bottom, which elastically or inelastically stretches the capsule lid towards the outside of the portion capsule and thus produces the capsule lid is that it is pressed by the expansion against an opening element and thereby opened by this and the preparation liquid can flow through the open capsule lid.
  • the base element is arranged in a receptacle at least during parts of the production. This advantageously increases the re-accuracy and precision of the method of manufacture. It is conceivable that the recording consists of a metal. It is also conceivable that the recording consists of a plastic.
  • the portion capsule is ejected from the receptacle after production by an ejector of the receptacle.
  • the ejector is formed by an air flow, which detects the capsule on the capsule bottom and throws out of the receptacle.
  • the ejector is a movable part of the receptacle, which is preferably mounted in the region of the capsule bottom or in the region of the flange.
  • the receptacle for the forming process is used as a mold.
  • the receptacle is at least partially adapted to the shape of the portion capsule.
  • heat is dissipated by the receptacle for the forming process. This enables a clever and direct heat input, for example for thermoforming processes.
  • the second step is performed by laser welding. This advantageously makes it possible to fasten the capsule lid with high precision and quality using a non-contact technique. It is conceivable that in the second step, the capsule lid is first placed on the flange and the capsule cover spans the bead and not or only partially protrudes into the bead and then so elastic by heat input by the laser welding of the capsule lid at least in the region of the bead is that the capsule lid sinks into the bead and then in the bead can be attached to the bead.
  • the second step is carried out by sealing with a seal stamp with a bead embossment by introducing heat or by ultrasonic sealing. Fastening by the introduction of heat or by ultrasonic sealing is reliable, cheap and fast. Due to the mechanical engagement through the bead bulge, it is advantageously possible to mechanically manipulate the bead and / or the base element in the second step.
  • a sealing punch is used with a bead bulge, which is shaped in size and shape complementary to the bead so that the seat bulge enters the bead and presses the capsule lid against the walls of the bead at least partially or over the entire surface and at least partially seals the capsule lid attached all over in the bead.
  • a sealing stamp to be used with a bead bulge which is shaped in size and shape such that the bead bulge enters the bead and only partially presses the capsule lid against the walls of the bead and only presses it in the bead partially attached.
  • the capsule lid is fastened by the bead bulge through at least one sealed seam produced by sealing the capsule lid to the flange in the region of the bead.
  • the sealing seam in the region of the bead is produced over the entire surface or on at least parts of the bead bottom and / or the bead walls. This allows the uncomplicated use of a sealing tool, for example a sonotrode, whereby the shape of the tool does not have to match the shape of the bead.
  • the base element and the sealing punch are aligned relative to one another by inserting the bead emplacement of the sealing punch into the bead in a plane parallel to the main extension plane of the capsule cover.
  • a high degree of accuracy is important.
  • the bead dipping into the bead aligns the bead and the bead dome relative to one another by contact with the sides of the bead. It is conceivable that this occurs because the bead bulge, which enters into the bead, pushes the base element into the correct position by means of an at least partially wedge-like or pointed shape in the retraction direction.
  • the base element and / or the sealing stamp are freely movable relative to one another in a plane parallel to the main extension plane of the capsule cover for aligning the base element and the sealing punch. It is also conceivable, however, that the base element held thereby and the seal stamp, which is mounted in a plane parallel to the main extension plane of the capsule lid freely movable, is pushed into the correct position.
  • the base element in a plane parallel to the main extension plane of the capsule lid for aligning the base member and the seal stamp
  • the base element is set in mechanical vibration. This facilitates the alignment of the base member.
  • the bead is produced by a forming process by pressing on the sealing punch and in particular the bead bulge. This makes aligning the bead and the seal with each other unnecessary.
  • the seal stamp is here on the one hand Tool for forming and on the other a tool for fastening. It is conceivable that the bead is produced by a forming process of an already preformed in the first step area by pressing the seal punch and in particular the Sickle.
  • the filling material is inserted into the bead for extruding it in the bead and extruded or glued or injected or pressed or clicked, wherein the capsule lid in the region of the bead at least partially on the filler material by laser welding or by sealing with a seal stamp by introducing heat or by ultrasonic sealing.
  • the filling material for fixing in the bead is inserted into the bead and injected and extruded or pressed or clicked, wherein the capsule cover in the region of the bead at least partially by the Filling material is attached in the bead.
  • a further subject of the present invention is a machine for producing a portion capsule according to one of claims 1 to 10, comprising a device for lowering the base element, a device for fastening the capsule cover and a device for aligning the base element and / or the device for Attaching the capsule lid relative to each other.
  • the machine it is advantageously possible to produce portion capsules for the preparation of a beverage in a beverage production machine which do not have the disadvantages of the portion capsules known from the prior art.
  • the machine has a device for producing the base element.
  • the device for producing the base element is preferably a device for forming processes, in particular thermoforming processes, pressure forming processes, draw-forming processes, draw-forming processes, one-component or multi-component injection molding processes and / or in-mold processes, hot working or cold working of plastic parts, metal parts or combinations of metal parts and plastic parts, wherein the metal may in particular be an aluminum material.
  • the machine has a device for fastening the capsule lid. It is conceivable that the device for attaching the capsule lid has a sealing head for introducing heat or for ultrasonic sealing. Furthermore, it is conceivable that the sealing head has a bead bulge. Furthermore, it is conceivable that the device for fastening the capsule cover has a laser for laser welding. Furthermore, the machine has a device for aligning the base element and / or the device for fastening the capsule lid relative to one another. This makes it possible to ensure that the capsule lid is correctly mounted on the flange and in particular correctly in the bead.
  • the machine has a receptacle for at least partially receiving the base element, wherein the shape of the receptacle corresponds at least partially, in particular in the region of the bead, to the shape of the base element.
  • the receptacle preferably has an ejector which is suitable for ejecting the portion capsule from the receptacle after the portion capsule has been produced. It is conceivable that the ejector is formed by a switchable air flow, which detects the capsule on the capsule bottom and throws out of the recording. It is also conceivable that the ejector is a movable part of the receptacle, which is preferably mounted in the region of the capsule bottom or in the region of the flange.
  • the receptacle is rotatable after ejection of the portion capsule after production.
  • the machine has a receptacle for at least partially receiving the base element, wherein the shape of the receptacle corresponds in part to the shape of the base element, wherein in particular the shape of the receptacle in the region of the bead and / or in the region of the cavity is designed so that the base element aligns when inserted into the receptacle relative to the recording.
  • this advantageously increases the re-accuracy and precision of the machine and, on the other hand, makes it possible for the capsule itself to be aligned for further processing when it is inserted into the receptacle or after it has been reshaped in the receptacle.
  • the receptacle preferably has an ejector which is suitable for ejecting the portion capsule from the receptacle after the portion capsule has been produced. It is conceivable that the ejector is formed by a switchable air flow, which detects the capsule on the capsule bottom and throws out of the recording. It is also conceivable that the ejector is a movable part of the receptacle, which is preferably mounted in the region of the capsule bottom or in the region of the flange.
  • the receptacle is rotatable after ejection of the portion capsule after production.
  • the device for fastening the capsule cover has a bead bulge. It is conceivable that the bead bulge is suitable for sealing.
  • the bead bulge is designed such that, when the bead bulge is dipped into the bead, the capsule cover securing device and the base member are aligned relative to each other. This allows the base element to be aligned by inserting the bead recess into the bead. If the base element is not correct with regard to the position of the bead bulge, then the bead bulge pushes the base element into the correct position when entering the bead by contact with the walls of the bead.
  • the bead bulge corresponds to the shape of the bead. This allows a complete sealing of the capsule lid to the flange in the area of the bead.
  • the bead bulge is designed so that, after immersion in the bead, it presses the capsule cover only partially against the bead bottom and / or presses the capsule cover only partially against the bead walls, wherein in particular to the bead walls directed towards parts of the bead bulge are not designed parallel to the bead walls.
  • the machine has a vibrator in order to vibrate the base element. This allows the base member to be more easily aligned by retracting the bead bulge into the bead. If the base element is vibrated by the vibrator, this is easier and prevents deformation or damage to the bead.
  • the vibrator vibrates the base member and the receptacle.
  • the machine has a further vibrator in order to vibrate the device for fastening the capsule cover.
  • a further vibrator in order to vibrate the device for fastening the capsule cover. This allows the device for attaching the capsule lid and / or that the base element is made easier by retracting the bead bulge in the bead. If the apparatus for fastening the capsule lid is set in vibration by the vibrator, this is easier and prevents deformation or damage to the bead.
  • a further subject of the present invention is a method for producing a beverage with a beverage preparation machine having a brewing chamber and a portion capsule arranged in the brewing chamber according to one of claims 1 to 13, wherein the brewing chamber comprises a first brewing chamber part and a second brewing chamber - Part is formed, wherein for the preparation of the beverage, the first Brühhuntteil and the second Brühhuntteil from a loading position relative to each other in an operating position are transferred, wherein the first Brühhuntteil cooperates in the operating position with the bead of the portion capsule so that a fluid-tight Sealing done.
  • the bead is deformed during the transfer of the first Brühschteils and the second Brühhuntteils from the loading position to the operating position so that it forms a fluid-tight seal.
  • the portion capsule is opened on the capsule bottom for the preparation of a drink. It is conceivable that this happens with a spike or a needle.
  • a preparation liquid is pumped under pressure into the cavity of the portion capsule through the opened capsule bottom, preferably by a felt, a fleece or another filter. It is also conceivable that the preparation tion liquid flows through the beverage raw material in the cavity of the portion capsule and extracted from the beverage raw material required for beverage production and / or dissolves.
  • the capsule lid is preferably opened by the opening element by the pressure of the supplied preparation liquid, and the preparation liquid flows out of the portion capsule through the opened capsule lid.
  • the opening element has a relief structure with a plurality of tips and acts on the capsule cover by the pressure of the preparation liquid having the plurality of tips flowing into the portion capsule, so that it is punctured at a plurality of locations.
  • the first brewing chamber part deforms the bead in such a way that it forms a circumferentially continuous fluid-tight seal at least at one point along the radius of the flange. It is conceivable that the shape of the bead has a favorable effect on the deformation, so that it is compensating with little effort and / or constructive inaccuracies.
  • FIG. 1 shows a schematic sectional view of a portion capsule according to an exemplary embodiment of the present invention.
  • FIGS. 2 (a) - (h) show schematic sectional partial views of portion capsules with
  • FIGS. 3 (a) - (b) show schematic sectional partial views of portion capsules with
  • FIG. 4 schematically shows the second step of the method for producing a portion capsule according to a further exemplary embodiment of the present invention.
  • FIG. 5 shows a schematic sectional partial view of a portion capsule according to another exemplary embodiment of the present invention.
  • FIGS. 6 (a) - (c) show schematically part of the second step of the method for producing a portion capsule according to another exemplary embodiment of the present invention.
  • the portion capsule 1 shows a schematic sectional view of a portion capsule 1 according to an exemplary embodiment of the present invention.
  • the portion capsule 1 here essentially comprises the base element 2, which is a frusto-conical body with a capsule bottom in the region of the smallest diameter and an open end at the opposite end.
  • the open end is closed by a capsule lid 4, for example a membrane, which is fastened to a circumferential flange 5 of the portion capsule 1, in particular to which it is sealed.
  • the flange 5 has a bead 6.
  • the capsule lid 4 follows the course of the flange 5 also in the region of the bead 6 and is also at least partially attached to this.
  • the capsule lid 4 is shown with a slightly smaller diameter than the flange 5, but the diameter of the capsule lid 4 may as well be substantially the same as the outer radius of the flange 5. However, it is also conceivable that the diameter of the capsule cover 4 is smaller than the outer radius of the flange 5 or greater than the outer radius of the flange 5. Furthermore, for the sake of clarity, the capsule lid 4 is shown at a distance from the flange 5 and from the bead 6. This is solely for better visibility of the individual components. According to the invention, the capsule lid 4 is at least partially fixed to the flange 5 and at least partially to the bead 6.
  • the flange 5 is preferably made in one piece with the base element 2.
  • a cavity 3 is formed, which is filled with Getränkekerohma- material (for clarity, this is not illustrated) and which is closed by the capsule cover 4.
  • the cup-shaped base element 2 is preferably made of an aluminum material by prototyping or forming, in particular hot forming or cold forming.
  • the base element 2 is formed as a deep-drawn plastic part made of polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC) or polyethylene terephthalate (PET).
  • the base element 2 is preferably produced by thermoforming, for example deep drawing by means of negative pressure, Overpressure and / or a movable die or by means of an injection molding process, in particular in the one-component, multi-component or in-mold process prepared.
  • the capsule lid 4 is preferably formed of an aluminum material or a plastic such as polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC) or polyethylene terephthalate (PET).
  • PE polyethylene
  • PP polypropylene
  • PVC polyvinyl chloride
  • PET polyethylene terephthalate
  • the attachment of the capsule lid 4 on the flange 5 and on the bead 6 is preferably carried out by ultrasonic sealing with an ultrasonic sonic seal seal 8 (not shown in Figure 1 for reasons of clarity) or with seals by introducing heat with a seal stamp 8. Conceivable Also, that the capsule cover 4 is secured to the flange 5 and the bead 6 by laser welding.
  • the portion capsule 1 is located in the receptacle 10.
  • the portion capsule 1 is introduced into a brewing chamber in a beverage production machine, which usually consists of a first brewing chamber part enclosing the portion capsule 1 and a second brewing chamber part movable relative to the first brewing chamber part. Subsequently, the capsule bottom is perforated by an opening element of the brewing chamber and liquid introduced through the perforation opening in the capsule bottom under pressure into the cavity 3. The interaction between the preparation liquid and the beverage raw material produces the desired beverage. The pressure in the cavity 3 created by the introduced preparation liquid presses the capsule lid 4 against another opening element of the brewing chamber, whereby the capsule lid is perforated at one point or at a plurality of points.
  • the beverage leaves the portion capsule 1 through the perforation openings in the capsule lid 4 and is fed to a beverage container.
  • the further opening element of the brewing chamber and / or the perforated capsule lid 4 are suitable for filtering any particles of the beverage raw material from the drink and retaining them in the portion capsule 1.
  • the flange 5 of the portion capsule 1 has the bead 6, which deforms when the brew chamber is closed and a preferably in the circumferential direction of the portion capsule 1 continuous seal forms.
  • FIG. 2 (a) - (h) show schematic sectional partial views of portion capsules 1 with beads 6 of different cross sections according to another exemplary embodiment of the present invention.
  • the base element 2, the flange 5, the bead 6 and the thickening 9 are shown in parts.
  • FIG. 2 (a) shows a bead 6 with a triangular cross-section. This is particularly well suited for sealing, since all surfaces of the bead 6 with the bead bulge 8 'of the seal punch 8 (not shown) are easy to reach.
  • Figure 2 (b) shows a bead 6 of triangular cross-section, the outer side wall being steeper than the inner side wall.
  • Figure 2 (c) shows a bead 6 of triangular cross-section, the inner side wall being steeper than the outer side wall.
  • FIG. 2 (d) shows a bead 6 with a trapezoidal cross-section.
  • a trapezoidal cross-section has the advantage that the beaded recess 8 'of the seal punch 8 (not shown) can center the portion capsule 1 for sealing relative to the seal punch 8 when entering the bead 6 due to the inclined side walls. Furthermore, the trapezoidal cross section provides a large area parallel to the main extension plane of the flange 5, which can be easily sealed.
  • FIG. 2 (e) shows a bead 6 with a rectangular cross-section.
  • FIGS. 2 (f) to (h) show further beads 6 with pentagonal, circular segment or oval segmental cross section as further possible embodiments. All embodiments shown have various advantages.
  • the pentagonal cross-section which is shown in FIG. 2 (f) is suitable for centering the portion capsule 1 during the insertion of the bead bulge 8 'of the sealing punch 8 (not shown) and offers a sealing surface similar to that shown in FIG. a) shown cross-section at much lower bead. This means more material is available for deformation and thus for sealing.
  • the circular segmental cross section which is shown in FIG.
  • FIG. 2 (g) offers a large volume encompassed by the bead 6 with a low use of material.
  • the oval segmental cross-section shown in Figure 2 (h) provides an undercut of the flange 5 and hence the ability to clamp the capsule lid 4 (not shown) with a filling material 7 (not shown) for attachment.
  • FIGS. 3 (a) and (b) show schematic partial sectional views of portion capsules 1 with filling material 7 according to another exemplary embodiment of the present invention.
  • the basic element 2, the thickening 9 and the capsule lid 4 can still be seen in parts.
  • the capsule lid 4 is shown at a distance from the flange 5, the bead 6 and the filling material 7. This is for the betterment of Identifiability of the individual components.
  • the capsule lid 4 is at least partially fixed to the flange 5 and / or at least partially to the bead 6 and / or at least partially to the filler material 7.
  • the capsule lid 4 is clamped by the filling material 7 in the bead 6. It is conceivable that this is done by injecting the filling material 7 onto the capsule cover 4 inserted in the bead 6 and then extruding the filling material 7. However, it is also conceivable that the filling material 7 is clicked or pressed into the bead 6 after or at the same time as the insertion of the capsule lid 4. Thus, the filler 7 secures the capsule lid 4 by pinching in the bead. 6
  • FIG. 3 (b) shows the filling material 7 in the bead 6.
  • the filling material 7 is inserted or injected into the bead 6 before the capsule cover 4 is fastened.
  • the filling material 7 may be glued, welded or sealed in the bead 6. It is also conceivable that the filling material 7 is an adhesive.
  • the capsule lid 4 is attached to the filling material 7 in the region of the bead 6. It is conceivable that the filling material 7 in the same operation for fixing the capsule lid 4, for example by introducing heat, by ultrasonic sealing or by laser welding, is secured in the bead 6.
  • FIG. 4 schematically shows the second step of the method for producing a portion capsule 1 according to another exemplary embodiment of the present invention. Shown are in parts the base element 2, the flange 5 and the thickening 9.
  • the sealing die 8 is brought from above to the base element 2.
  • the capsule lid 4 rests loosely on the flange 5.
  • the Sickausbuchtung 8 'of the seal stamp 8 does not hit the bead 6 through the capsule cover 4 exactly centered, but here shown slightly offset left.
  • shape of Sickle 8 ' displaces the sealing die 8 when inserting the Sickle 8' the base member 2 with the flange 5 so that the bead 6 is aligned exactly to the Sickausbuchtung 8 '.
  • FIG. 5 shows a schematic sectional partial view of a portion capsule 1 according to another exemplary embodiment of the present invention.
  • capsule cover 4 Shown is in the bead 6 at the bottom of the bead 6 'attached to the flange 5 capsule cover 4.
  • the capsule cover 4 is sealed in the region of the bead bottom 6' with the sealed seam 4 'to the flange 5.
  • the capsule lid 4 is not sealed to the flange 5 in the region of the bead walls 6 ".
  • FIG. 6 (a) - (c) show schematically part of the second step of the method of manufacturing a portion capsule according to another exemplary embodiment of the present invention.
  • FIG. 6 (a) shows how the sealing punch 8 with the bead recess 8 'is lowered in the direction of the bead 6.
  • FIG. 6 (b) shows how the bead bulge 8 'meets the left bead wall 6 ".
  • the base element 2 and the seal stamp 8 are vibrated with vibrators (not shown).
  • the sealing punch 8 shifts by the pressure against the bead 6 to the right.
  • the base element 2 displaces to the left, in a further alternative embodiment the base element 2 shifts to the left and the sealing ram 8 shifts to the right.
  • the bead bulge pushes the capsule lid 4 into the bead.
  • FIG. 6 (c) shows how the sealing stamp rests on the capsule lid 4 for sealing purposes.
  • the capsule lid is attached to the bead bottom 6 'with the suture seam 4 by sealing on the flange 5 in the region of the bead 6.

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

Abstract

L'invention concerne une capsule pour la préparation d'une boisson dans une machine de préparation de boissons, un procédé de fabrication d'une capsule, une machine pour la fabrication d'une capsule et un procédé de préparation d'une boisson à l'aide d'une machine de préparation de boissons.
PCT/EP2019/052479 2018-02-01 2019-02-01 Capsule pour la préparation d'une boisson dans une machine de préparation de boissons, procédé de fabrication d'une capsule, machine pour la fabrication d'une capsule et procédé de préparation d'une boisson à l'aide d'une machine de préparation de boissons et d'une capsule WO2019149875A2 (fr)

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DE102018201588 2018-02-01

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WO2019149875A3 WO2019149875A3 (fr) 2019-09-26

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Publication number Priority date Publication date Assignee Title
WO2020020756A1 (fr) * 2018-07-27 2020-01-30 K-Fee System Gmbh Procédé pour fabriquer une capsule pour la préparation d'une boisson dans une machine de fabrication de boisson, capsule et procédé pour fabriquer une boisson à l'aide d'une machine de préparation de boisson et d'une capsule
WO2020165303A1 (fr) * 2019-02-13 2020-08-20 K-Fee System Gmbh Capsule servant à préparer une boisson dans une machine de production de boisson et système servant à préparer une boisson à partir de cette capsule
EP3907145A1 (fr) * 2020-05-08 2021-11-10 Tchibo GmbH Procédé de fabrication d'une capsule à portion et capsule à portion
WO2023031095A1 (fr) * 2021-08-30 2023-03-09 Société des Produits Nestlé S.A. Capsule pour la production d'une boisson et procédé de fabrication d'une capsule

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WO2013046014A1 (fr) 2011-09-28 2013-04-04 Tuttoespresso S.R.L. Capsule de boisson avec élément d'étanchéité
EP2872421B1 (fr) 2012-07-16 2017-03-22 Tuttoespresso S.r.l. Système avec élément d'étanchéité adaptable
EP2757056A1 (fr) 2013-01-17 2014-07-23 Alice Allison SA Partie de capsule pour une capsule de café
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WO2020020756A1 (fr) * 2018-07-27 2020-01-30 K-Fee System Gmbh Procédé pour fabriquer une capsule pour la préparation d'une boisson dans une machine de fabrication de boisson, capsule et procédé pour fabriquer une boisson à l'aide d'une machine de préparation de boisson et d'une capsule
WO2020165303A1 (fr) * 2019-02-13 2020-08-20 K-Fee System Gmbh Capsule servant à préparer une boisson dans une machine de production de boisson et système servant à préparer une boisson à partir de cette capsule
EP3907145A1 (fr) * 2020-05-08 2021-11-10 Tchibo GmbH Procédé de fabrication d'une capsule à portion et capsule à portion
WO2021224421A1 (fr) * 2020-05-08 2021-11-11 Tchibo Gmbh Procédé de production d'une capsule à usage unique, et capsule à usage unique
WO2023031095A1 (fr) * 2021-08-30 2023-03-09 Société des Produits Nestlé S.A. Capsule pour la production d'une boisson et procédé de fabrication d'une capsule

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