EP3863479A1 - Élément d'étanchéité pour récipients, en particulier capsules de café - Google Patents

Élément d'étanchéité pour récipients, en particulier capsules de café

Info

Publication number
EP3863479A1
EP3863479A1 EP19790152.3A EP19790152A EP3863479A1 EP 3863479 A1 EP3863479 A1 EP 3863479A1 EP 19790152 A EP19790152 A EP 19790152A EP 3863479 A1 EP3863479 A1 EP 3863479A1
Authority
EP
European Patent Office
Prior art keywords
sealing element
container
sealing
area
hot beverage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19790152.3A
Other languages
German (de)
English (en)
Inventor
Piero Kobler
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3863479A1 publication Critical patent/EP3863479A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0684—Sealing means for sealing the filter holder to the brewing head
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0668—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines specially adapted for cartridges
    • A47J31/0673—Means to perforate the cartridge for creating the beverage outlet
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657—Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0689—Reusable cartridges suitable to be opened for being filled with brewing material and to be closed to envelope the brewing material therein
    • 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

Definitions

  • the present invention relates to a sealing element for containers, in particular coffee capsules.
  • these are reusable or refillable coffee capsules.
  • capsules for brewing not only caffeine-containing but also other hot beverage specialties such as tea extracts or cocoa are included.
  • Such generally known portion coffee machines in the sense of the invention have been in use for a few years and now have a not insignificant market share in addition to the long known filter coffee machines. In principle, two procedures have prevailed here. On the one hand the use of a pad and on the other hand the use of capsules.
  • Capsules on the other hand, whose body and lid are made of metal foil, for example, can seal the coffee powder contained in an airtight manner during the storage phase.
  • a separation of the rotten content in the form of coffee powder from the non-rotten capsule material is required, which is hardly done in practice. Rather, the capsules are generally thrown away as a whole.
  • a later separation of the used capsules into the recyclable aluminum or the like on the one hand and the non-recyclable coffee content on the other hand would be extremely complex technically and is therefore problematic and hardly practicable in practice. reachable. If this is not done and the aluminum obtained with high energy input is not recycled, such capsules represent a considerable burden on the environment.
  • a sealing element according to the invention for retaining powder-like substances (in particular during the application of water to powder-like substances or a brewing process) in a container, in particular coffee capsules and / or accommodated in coffee pods, has in particular an essentially circular base area and / or an (essentially ) circular cross section and / or a base area and / or cross section adapted to the shape and / or the cross section of a die of the hot beverage system and is preferably suitable and intended to be permanently attached to a hot beverage system, the sealing element preferably being a holding device - Has device which is suitable and intended to hold the sealing element (in particular permanently) at (and / or in) an area of the hot beverage system.
  • the holding device is preferably also referred to below as a fixing device be equipped individually or in combination with each other with all features of the fixing device described below.
  • the hot beverage system can preferably be a portioned coffee machine.
  • the sealing element has a first area, which is referred to below as the perforation area, which is suitable and intended to be perforated, and / or an (already) perforated area which has at least one perforation (hole) and is preferred has a large number of perforations (holes).
  • this first region or perforation region is preferably perforated by (at least) one element arranged on the hot beverage system, more precisely on the press stick and / or a matrix of the hot beverage system, and preferably a large number of such elements.
  • a perforation can also mean a piercing, so that this first area or perforation area of the sealing element is pierced by at least one element of the hot beverage system, in particular a piercing spike.
  • the hot beverage system can preferably have a large number of such elements, for example engagement elements. These engagement elements can be designed, for example, as (piercing) mandrels.
  • the (previously mentioned) perforation preferably takes place when the hot beverage system is closed, or when the press stick is transferred from an open position to a closed position.
  • the sealing element is already placed in a hot beverage system (for example on a (preferably emptied), preferably commercially available coffee capsule intended for this hot beverage system).
  • the hot beverage system in particular does not have a matrix and that the sealing element does not produce its (complete) filtering action only in cooperation with a matrix of the hot beverage system, but already seen on its own or is already suitable and intended as a separate sealing element for effecting a filter effect (which is necessary for the brewing process).
  • the sealing element in particular its perforation area, is preferably already perforated.
  • the sealing element is preferably here together with a (separate or not arranged on the hot beverage system and in particular not to die (assigned to the hot beverage system) to the hot beverage system (fixed and in particular permanent), the die preferably engaging and / or (at least partially) penetrating perforations of the sealing element.
  • the (already) perforated area preferably has a large number of perforations.
  • the large number of perforations is preferably at least two, preferably at least four, preferably at least eight and particularly preferably at least twelve perforations.
  • the perforated area preferably has a maximum of 30, preferably a maximum of 20, preferably a maximum of 15 perforations.
  • the first area which is suitable and intended to be perforated is also referred to as the perforation area.
  • the perforation area preferably has no holes and / or openings.
  • the perforation area is preferably at least partially circular.
  • the perforation area is preferably circular.
  • the perforation area has an annular area.
  • the perforation area preferably follows a course which is adapted to the outer shape or the cross section of the die and / or a contact surface of the press block of the hot beverage system.
  • the perforation area is preferably surrounded in an inner area and / or in an outer area by a further area which is not suitable and intended to be pierced in particular by an element of the hot beverage system and preferably by an engagement element and / or a mandrel of the hot beverage system .
  • the perforation area preferably surrounds at least one further area, in particular in its full extent.
  • This further region preferably has at least one opening arranged in the middle.
  • An application device of the hot beverage system in particular a nozzle of the application device, is preferably feasible and / or at least partially insertable and / or an opening can be perforated by the application device through this further area.
  • the perforation area is preferably at at least one point and preferably in particular at the same time at a multiplicity of positions or points through one or a multiplicity of elements or engagement elements of the hot beverage system which have a piercing area of less than 1 mm 2 , preferably less than 0 , 5 mm 2 and particularly preferably from few have less than 0.1 mm 2 , and an acting force on the perforation area of less than 100 Newtons, preferably less than 50 Newtons and particularly preferably less than 10 Newtons, and particularly preferably less than 5 Newtons perforable.
  • the sealing element has a second region (which is referred to below as the retention region), which is suitable and intended to hold (at least) one element of the hot beverage system in a predetermined position.
  • this Element of the hot beverage system is a prestressed element.
  • This element is advantageously an element that is acted upon by a spring force.
  • This element can be, for example, a stamp and / or the loading device.
  • a loading device for example, a nozzle element but also the entire element to which the nozzle is attached can be understood.
  • the retention area of the sealing element is preferably suitable and intended to apply a force to at least one element, preferably a spring-loaded element of the hot beverage system (preferably a stamp), or to exert a force on this element so that it (as already mentioned) in particular is permanently held in a predetermined position.
  • the force is preferably in a range from 1 N to 30 N, preferably from 2 N to 20 N, preferably from 3 N to 15 N, preferably from 4 N to 14 N, particularly preferably from 5 N to 12 N.
  • the sealing element has at least one, preferably essentially circular, (in particular flat) film element and particularly preferably at least two, in particular circular, (in particular flat) film elements.
  • the two and particularly preferably all (in particular circular) film elements are of the same type and consist in particular of the same material and in particular have the same shape.
  • At least two film elements are preferably arranged next to one another and connected to one another (preferably integrally), so that they are particularly preferably no longer separable from one another without being destroyed.
  • the sealing element is preferably configured in two layers (from the two the film elements). However, a multi-layer design with more than two film elements is also conceivable.
  • the two film elements or the plurality of film elements are preferably connected to one another by means of an adhesive.
  • At least one film element is preferred and both film elements are particularly preferably coated on one or both sides.
  • the film element can be coated over the entire area or only (in each case) in certain areas and in particular not coated over the entire area.
  • the adhesive and / or the material of the coating can be selected from a group, the adhesives based on carboxymethyl cellulose, cellulose ether, xanthan, carrageenan, polyacrylic acid, hydrophilic polyacrylate, hot melt adhesives, silicone-based materials, acrylic materials, polyacrylamide, N.
  • a cross section of the sealing element is preferably (essentially) circular.
  • the sealing element preferably has a guide element or a plurality of guide elements which are suitable and intended for this purpose and are / are adapted to at least one coffee capsule (customary) provided for the respective coffee machine in such a way that after the sealing element has been placed on the Coffee capsule (preferably in its emptied state, in particular after removing its filter membrane, for example by means of a circular cutter), the sealing element slipping in at least one direction and preferably within a plane and particularly preferably within the plane of the capsule edge and / or the plane in which the capsule opening is prevented by the guide element (or the plurality of guide elements).
  • a positive connection between the sealing element and the coffee capsule can be produced (by means of the guide element) within the at least one direction or within one plane.
  • the sealing element can be centered internally and / or centered externally.
  • the guide element can be arranged in a region of the sealing element in relation to the capsule edge or the capsule outside the capsule edge or outside the capsule (in a state placed on the capsule), and thus preferably by blocking one within the plane from outside and / or acting on the outer area of the capsule rim prevent the sealing element from slipping.
  • the guide element is preferably designed in the form of a ring or essentially in a ring.
  • the guide element preferably interacts with an inside of the capsule rim and thus prevents the sealing element resting on the coffee capsule from slipping within a plane.
  • an outer diameter of the (ring-like) guide element essentially corresponds to an inner diameter of the coffee capsule (preferably its capsule rim) (inner centering).
  • An inner diameter preferably corresponds essentially to an outer diameter of the capsule rim (outer centering).
  • the guide element preferably has a collar, preferably a full circumference, and / or a projection, which preferably encloses a vertical angle with a film element and / or an annular region of the guide element and particularly preferably forms a ring.
  • the guide element preferably extends over its entire circumference.
  • the sealing element preferably has a reinforcing element.
  • the reinforcing element can be the guide element described above.
  • the element can preferably at the same time guide or centering described above, as well as the reinforcement of the sealing element, in particular during a deformation process of the sealing element (in particular during its (permanent) attachment to an element, in particular a die, of the hot beverage system and particularly preferably during perforation of the sealing element and in particular a perforation of the film element (s), in particular by piercing pins of the hot beverage system).
  • the reinforcing element preferably absorbs tensile forces which act on the sealing element and in particular a film element during the deformation, and / or above or preferably these tensile forces are essentially transmitted to the reinforcing element and in particular essentially uniformly distributed by it in several directions .
  • the reinforcing element preferably extends over the entire circumference and is particularly preferably at least one and particularly preferably arranged on two film elements.
  • the reinforcing element is preferably essentially ring-like and / or ring-shaped (reinforcing ring).
  • a one-sided (ring-shaped) reinforcing element or a double-sided (ring-shaped) reinforcing element is also conceivable.
  • the reinforcing element offers the advantage that deformation during the process of introducing the sealing element into the hot beverage system essentially only takes place in the piercing area. This reinforcement element leads to a higher tear resistance and thus to a longer service life.
  • the reinforcing element and / or the guide element preferably has a material or is formed from a material and / or consists of a material that is selected from a group consisting of plastic (s), metal (s), composite material (s), Contains aluminum, laminated film (s) and combinations thereof.
  • the reinforcing element could preferably be an outer, in particular fully extending, area of the sealing element, which is less elastic than an inner area.
  • the inner region or the film element and / or the film elements and / or the reinforcing element can be pressed smooth. It is conceivable that the reinforcing element is pressed with higher forces than the interior.
  • the reinforcing element is preferably a separate element which is in particular permanently arranged on a film element.
  • the thickness of the reinforcing element is preferably greater than 0.2 mm, preferably greater than 0.3 mm and particularly preferably greater than 0.4 mm.
  • the reinforcement element (particularly preferably in its entirety) is preferably arranged outside the perforation area.
  • the reinforcing element preferably completely surrounds the perforation area.
  • the sealing element and in particular at least one film element and preferably two film elements preferably have a region which is preferably a perforation region (or puncturing region) which has embossments (on the surface thereof).
  • the sealing element and in particular at least one film element and particularly preferably both film elements preferably have a corrugated surface. This offers the advantage of increased tear resistance.
  • the sealing element and preferably at least one and particularly preferably the plurality of film elements can have at least one embossed groove or depression and preferably a plurality of grooves or depressions, in particular extending in the radial direction. It can also be achieved by this that during the perforation process and / or the process of introducing the sealing element into the hot beverage system, only the smallest possible deformation of the sealing element and a minimization of a ripple of the sealing element that arises is produced
  • the material of the sealing element and in particular of the film element or the film elements is preferred depending on the desired flow rate of the coffee extract between the perforated location of the sealing element and the die, for example puncture thorns in the die, and / or the desired amount of coffee grounds developing pressure selected.
  • a lower flow rate for example with the same hot beverage system, leads to a higher internal pressure in the ground coffee.
  • the perforation result or the ratio between the perforations in the sealing element and the cross section of the piercing mandrels influences the degree of dewatering of the ground coffee. Comparatively heavily dewatered ground coffee is preferably regarded as advantageous since it can be removed from the capsule more easily.
  • the entire and preferably the entire film elements are preferably made of PP (polypropylene).
  • At least one film element which acts in particular as a carrier element (or carrier film), is preferably made of aluminum, while at least one further film element and preferably exactly one further film element is made of PP (polypropylene) and / or PS (polystyrene) (Particularly suitable because it is established), whereby silicone would also be possible with the further film element.
  • This further film element can in particular be glued on via hot melt.
  • the sealing element preferably has a, in particular centrally arranged, (non-elastic) area which is reinforced, for example with fibers such as carbon fibers.
  • This area is preferably bendable, but does not yield so quickly in comparison to an adjoining area (which lies outside of this area in the radial direction with respect to a central axis of the sealing element), and thus has a comparatively less elasticity.
  • This area is preferably arranged in a (spring-loaded) stamp area of the hot beverage system.
  • the sealing element has at least one opening, particularly in the center.
  • This opening is preferably arranged in a second area and particularly preferably in the retention area, in particular outside the perforation area, of the sealing element.
  • center is understood to mean that the opening is arranged, for example, in the case of a circular cross section of the sealing element in a center of the circle.
  • the sealing element can also have a different cross section that deviates from a circular cross section, for example a polygonal cross section.
  • the sealing element is preferably at least one and particularly preferably exactly one deep-drawn part. At least one element of the sealing element is preferably designed or manufactured as a deep-drawn part.
  • the deep-drawn part particularly preferably has the perforation area.
  • the deep-drawn part or the sealing element is particularly preferably matched to the contour of at least one element of the hot beverage system and preferably to the contour of the die and / or to the contour of at least one area of the press block.
  • the sealing element is designed in such a way that it covers at least some areas, preferably at least two and particularly preferably at least four, preferably at least six, preferably at least eight, and particularly preferably over the entire area entire cross section and / or over an entire side surface of the sealing element on at least one part and preferably on the die of the hot beverage system.
  • At least one surface of the sealing element is preferably Teflon-coated. That side surface of the sealing element which is in a state of the sealing element in the hot beverage system facing away from the region or the surface of the sealing element on which it is arranged on the hot beverage system is preferably Teflon coated.
  • the sealing element preferably has regions which are designed to be dimensionally stable and in particular do not allow perforation, and preferably the sealing element also has regions which are referred to as perforation regions and which can be perforated.
  • the sealing element is preferably designed and adapted to the configuration of the die and in particular the arrangement of puncture pins of the die of the hot beverage system in such a way that the sealing element and in particular the perforation area have or have penetrable material at the puncture points of the piercing pins of the die, so that preferably in Interaction of the piercing pins of the die and the perforation area of the sealing element surrounding the piercing pins produces a desired filter effect (for the brewing process of a hot beverage).
  • the material of the perforation area is preferably designed and in particular adapted to the puncture pins of the die in such a way that it can be penetrated or perforated by the puncture points of the puncture pins, but that the material does not form any further tear points or tear lines. Such tearing would adversely affect the filtering action and thus the quality of the coffee obtained.
  • the sealing element is preferably solid and / or hard and / or impenetrable, in particular impenetrable for elements of the hot beverage system and in particular preferably impenetrable for the puncture pins or other piercing elements of the hot beverage system outside the perforation area and in particular outside the puncture areas of the puncture pins .
  • the sealing element is preferably on a mandrel and / or on at least one and / or a plurality of peg-like projections and / or bores and / or at least one circular disc and / or a plurality of circular discs of the hot beverage system and preferably the filter matrix or the matrix of the Hot beverage systems can in particular be permanently arranged or fastened by means of clamping and / or screwing and / or squeezing and / or spring devices or spring systems.
  • permanent or permanent is preferably to be understood to mean that the sealing element in the ready-to-use or ready-to-use state over a large number of brewing processes without the sealing or filter function deteriorating substantially in the hot beverage system arranged on it Area or in its arranged state remains or can remain.
  • the sealing element preferably has at least one detachment device which is suitable and intended to assist detachment or removal of the sealing element, if this is desired, from the hot beverage system and in particular from the die of the hot beverage system.
  • the sealing element and in particular in the installed state or in a state permanently arranged in the hot beverage system, is preferably designed and suitable and intended for this purpose, liquids and in particular water and, in particular, brewed coffee which are directed toward the side of the container Meet sealing element, in particular to lead or lead to the perforation area without loss and to pass through the sealing element at least at one point of the perforation area and in particular at the perforated areas of the perforation area.
  • the liquid is passed between the sealing element and the puncture pins or the penetration elements of the hot beverage system. It is thus proposed that the powder-like substance in the container is acted upon by water through the application device of the hot beverage system and from there as losslessly as possible to the perforation area or to the perforated points of the sealing element which interact with a filter form with the puncture mandrels or the engagement elements of the hot beverage system or its matrices, arrives and is preferably removed from there or can be removed.
  • the loading device is preferably arranged at a central or central location of the sealing element, and particularly preferably the loading device penetrates the sealing element in an opening or at a perforated location of the sealing element (at least partially).
  • the sealing element with the exception of the perforated locations and with the exception of those locations in the installed state which have been pierced or perforated by the engagement elements or engagement thorns of the hot beverage system, is therefore preferably watertight.
  • the sealing element preferably seals off from the loading device of the hot beverage system in the installed state. This is preferably understood to mean that sealing means are provided which, in the installed state or in a state permanently arranged in the hot beverage system, seal the sealing element essentially or as watertightly as possible with respect to the loading device.
  • the sealing element is preferably designed and adapted to the shape of the container in such a way that it seals preferably with respect to a container wall.
  • Sealing means are preferably provided which are suitable and intended to seal at least one area of the sealing element and in particular an outer area of the sealing element with respect to at least one container wall and in particular in full to at least one area of the container wall, in particular the edge thereof.
  • the sealing element is preferably formed in one piece or in one piece.
  • the sealing element preferably consists of a material and is in particular made of a workpiece.
  • the sealing element is particularly preferably produced from a deep-drawing process.
  • the sealing element is therefore preferably a deep-drawn film.
  • the sealing element is preferably thin-walled in its perforation area in comparison to at least one other area.
  • the perforation area is preferably a thin-walled area compared to the remaining area of the sealing element.
  • the sealing element preferably consists of a disk and / or a flat element of solid material, which is designed so thin-walled in the penetration areas of the puncture device of the die that the puncture spikes during assembly or when attaching the sealing element to the hot beverage system Can drill material. Only then is the filter or the filter effect of the sealing element advantageously produced.
  • the sealing element preferably has a guide device which is suitable and intended to facilitate or guide a proposed attachment or positioning of the sealing element to the hot beverage system.
  • a guide device which is suitable and intended to facilitate or guide a proposed attachment or positioning of the sealing element to the hot beverage system.
  • the guide device can be realized by a centering device, which is implemented, for example, by an opening arranged in a center or in a central region of the sealing element.
  • a centering device or such an opening enables the sealing element to be centered or guided, for example, on the die or more precisely on the loading device of the hot beverage system, which can be guided through this opening and for attaching the sealing element to the hot beverage system must be carried out.
  • the opening therefore not only offers the advantage that the loading device can stand out the sealing element extends through and extends in the container to apply water to its contents, but this opening also offers the advantage that the attachment of the sealing element or the exact positioning of the sealing element on the hot beverage system is facilitated and guided for permanent arrangement.
  • the circular spinous processes of the die then preferably pierce the sealing element and in particular its perforation areas.
  • the filter system is preferably fixed when the final position is reached.
  • the sealing element is preferably produced or manufactured at least partially and in particular completely from a material which consists of degradable and in particular genuinely degradable bioplastics. Such bioplastics can be based on corn starch, for example. It would also be conceivable to manufacture the sealing element at least partially and preferably completely from wood and / or bamboo and / or jute.
  • the sealing element preferably has a fixing device which is suitable and intended to hold the sealing element in particular securely on the die or on the hot beverage system over its entire product life.
  • the fixing device is preferably suitable and intended to at least partially and preferably completely and preferably completely cancel and / or transmit such forces during the disassembly or detachment of the sealing element from the hot beverage system from the matrix or the hot beverage system and the sealing element .
  • the sealing element is preferably at least partially and preferably completely manufactured as an injection molded plastic part.
  • the sealing element can be in one piece or in one piece, but it can also be made in several parts or in several pieces and in particular made of elements of different materials.
  • the sealing element is preferably designed and adapted to the container, and vice versa, that the sealing element, when introduced in the hot beverage system, approximately completely seals and / or seals and particularly prefers the base surface and in particular the upper edge of the container delimits a cavity and in particular a closed cavity together with the container.
  • the sealing element is preferably designed and constructed in such a way that water which, for example, is fed or fed into the container, leaves the container almost loss-free through the perforated area of the sealing element and in particular between the sealing element and the penetrating elements or thorns of the die of the hot beverage system. If the filter system or sealing element has undesired leaks, this has a negative effect on the extraction result. It is therefore preferable to provide the complete amount of water for the extraction.
  • the hot beverage system can be a high-pressure pump coffee machine or a centrifuge-equipped coffee machine.
  • the sealing element has a metal sheet which follows the contour of the die almost over the entire surface, at least in some areas.
  • An element or sheet following the contour is preferably produced by deep drawing or by means of a deep drawing process.
  • the sheet or the perforation area preferably has a thickness which is less than 14 mm and preferably less than 1/8 mm and particularly preferably less than or equal to 1/10 mm.
  • the sealing element has a fixing device (holding device) which can have a clamping element which, in particular, has a non-positive connection between the sealing element and an element of the hot beverage system and in particular the matrix and particularly preferably the loading device of the hot beverage system.
  • the holding device is preferably a mechanically designed holding device. Instead of the holding device, it would also be conceivable to attach or insert the sealing element or the filter to an element of the hot beverage system by gluing.
  • the sheet metal part of the sealing element is preferably of a circular shape in the area of the in particular circular piercing pins of the matrix of the hot beverage system compared to the other areas of the sheet metal part, so that when the sealing element is installed, the pins of the matrix can pierce the material.
  • the sealing element can preferably be produced with only one sheet metal part and the filter function or sealing function can thereby be obtained.
  • the sheet metal part preferably has a central orderly opening.
  • the sheet metal part preferably has a centrally arranged clamping disk which is intended to hold the sealing element permanently in the coffee machine.
  • the fixing device can preferably have an axle clamping ring and / or a clamping ring and / or a shaft ring.
  • the filter membrane can preferably be held and / or arranged and / or fastened by means of this alone on a projection and in particular on the loading device (the water-introducing spike).
  • the sealing element preferably has a convex curvature essentially and in particular in cross section through the sealing element essentially with respect to the container in a state arranged on the container.
  • a concave curvature is also conceivable, so that the contour of the sealing element essentially follows the course of the die or the course of the adjacent area of the hot beverage system.
  • the detaching device of the sealing element is preferably suitable and intended to destroy or weaken the non-positive and / or frictional and / or positive use, in particular a non-positive connection between the sealing element and the hot beverage system.
  • the detachment device can be implemented, for example, by a targeted linear weakening of the sealing element and, in particular, of the sheet metal part or sheet, so that, similarly to beverage cans, the clamping mechanism is preferably destroyed or reduced or weakened by actuating a pull ring and the sealing element can be removed.
  • the detachment device preferably has a grip element by means of which the sealing element and / or the sheet metal part of the sealing element can be severed at least in regions and at least along a line.
  • the clamping effect and / or a non-positive connection is preferably influenced by actuating the grip element.
  • the sealing element preferably has two parts, and particularly preferably the sealing element consists of two parts.
  • the part which identifies the perforation area or preferably which forms the perforation area of the sealing element is preferably designed in the form of a ring, and this part can preferably consist of soft and / or flexible and / or penetrable materials, such as, for example, plastic films.
  • the second element preferably consists of different equally strong material such as aluminum sheet.
  • the second element or the second part preferably has the task and is suitable and determines the sealing element particularly securely on the hot beverage system and preferably on protrusions of the hot beverage system and particularly preferably on the piercing mandrels of the hot beverage system such as, for example, piercing mandrels arranged along a circular line especially permanent.
  • a retaining device which is suitable and intended to hold and / or retain at least one element of the hot beverage system and in particular a spring-loaded or pre-stressed element of the hot beverage system, such as a pre-tensioned punch.
  • the sealing element preferably has a second region which has the retaining device and particularly preferably forms the retaining device.
  • the retention device and particularly preferably the retention area are preferably suitable and determine to exert or transmit force to the at least one spring-loaded element of the hot beverage system in such a way that this force at least partially counteracts the spring force and the spring-loaded element in one position, particularly permanently holds that deviates from its rest position.
  • this can be a position of the spring-loaded element in which this element has been inserted as far as possible into the die or into an element of the hot beverage system.
  • This can preferably be a reversal point or a reversal position of the spring-loaded element.
  • the retention device and / or the retention area is preferably suitable for this purpose and determines to hold the spring-loaded element of the hot beverage system in a middle position, that is to say preferably in a position between its rest position and a position in which it is fully inserted into a die.
  • the retention device is preferably provided by a separate component. In a delivery state of the sealing element, it can also be present as a state that is not arranged on the remaining part of the sealing element, but can be arranged on this part (by the user himself). Such a system should therefore also be encompassed by the present invention.
  • the retaining device and / or the retaining area preferably has an axle clamping ring and / or a shaft ring and / or a clamping ring, and particularly preferably the retaining device and the retaining area consists of an axle clamping ring and / or a shaft ring and / or a clamping ring and / or a shaft circlip.
  • the retaining device for example in the form of a circular blank or a shaft securing ring, leads to a (precise) centering of the sealing element on an element of the hot beverage system, for example on the die of the hot beverage system.
  • the retention device is preferably non-displaceably connected to a further element of the sealing element, for example a film element and / or the film elements and / or a filter membrane (and, after permanent arrangement, also non-displaceably connected to the die or an element of the hot beverage system) .
  • the retaining device for example a shaft securing ring and / or a circular blank, is preferably arranged on at least one film element, in particular in a frictionally locking and / or materially locking manner.
  • the retaining device can be firmly glued to another part of the sealing element, for example to a film element.
  • a water-soluble adhesive can be used, which is preferably food-safe and opens again when exposed to water.
  • the film element or the filter membrane can preferably move (somewhat, in particular slightly) with respect to the retaining device, for example axial displacement (in the direction of the piercing pins and / or in the perforation direction, for example of the piercing pins).
  • Ejection of the capsule can also be promoted and / or brought about by the axial movement of the sealing element along the piercing pins. Ejection of the capsule can be supported and / or effected in particular via the reinforcing element, which is designed, for example, as an (outer) ring.
  • the holding device (or fixing device) and / or retaining device for example a shaft retaining ring, preferably represents a stop for the sealing element. This preferably permits a stroke of the film elements and the reinforcing element, but limits this.
  • the retaining device is (at the same time) a fixing device or holding device which holds and / or fixes the sealing element, in particular permanently and / or for a large number of brewing processes, to an element of the hot beverage system, particularly preferably to the die.
  • the retention device can consist of or have a resilient material or an elastic material, for example stainless steel and / or aluminum and / or aluminum and / or plastic processed by embossing.
  • the retaining device is preferably frustoconical or essentially frustoconical.
  • An elasticity or design of the retaining device selected in this way can prove to be advantageous, which leads to the fact that an (spring-loaded) element (stamp) of the hot beverage system is only partially pushed back or held back (not completely pushed back) in the direction of the die.
  • an (spring-loaded) element (stamp) of the hot beverage system is only partially pushed back or held back (not completely pushed back) in the direction of the die.
  • Such only partial and, in particular, incomplete retention of the spring-loaded or elastic element of the hot beverage system offers the advantage of an easier ejection process of the coffee capsule or removal of the coffee capsule after the brewing process.
  • the sealing element preferably comprises (particularly preferably exclusively) - and particularly preferably the sealing element consists of - two foil elements arranged (for example glued) to one another (exactly) a reinforcing element, which is preferably ring-shaped, and a retaining device, preferably as a shaft retaining ring or Ronde (which can be designed in various shapes).
  • the retaining device such as the circular blank or the shaft securing ring, could also be arranged (at least in some areas or completely) between two film elements.
  • the retention area and / or the retention device preferably serves at the same time as a sealing element or sealing device between the sealing element and the loading device and in particular a fixed water supply to the hot beverage system.
  • the sealing element can have a perforated area, in which, in contrast to the perforation area, perforations or perforations are already present.
  • this area can be designed as a sieve.
  • a perforated area would also be conceivable.
  • the perforation area or the perforated area and / or the perforated area preferably forms the ejection area.
  • the spout area is preferably understood to mean that area of the sealing element at which the coffee leaves the container in the hot beverage system in the inserted state of the sealing element, in particular leaves it almost loss-free
  • the fixing device is preferably suitable and intended to permanently arrange the sealing element on a circular projection, in particular a stamp of the hot beverage system, and in particular to permanently fix the sealing element in this position.
  • the retention device and / or the retention area is suitable and determines to hold the spring-loaded element of the hot beverage system in a fully extended position.
  • This fully extended position is preferably a hollow position of the element.
  • the fully extended position is preferably a position of the element in which it protrudes as far as possible from the die and / or the press stick of the hot beverage system.
  • the retention device and / or the retention area is preferably suitable and determined to limit and / or reduce the freedom of movement of the element subjected to spring force in at least one direction, in particular in the direction of the spring force acting.
  • the retaining device and / or the retaining area preferably has a retaining ring or a retaining element, which is particularly preferably designed in the form of a truncated cone or a truncated cone.
  • the spring-loaded element is preferably an element in the central area of which a fixed water inlet is arranged.
  • the retention device and / or the retention area of the sealing element preferably adjoins a side of the spring-loaded element facing the die.
  • a sealing element and / or a seal is preferably provided, which seals the retaining device and / or the retaining area and / or the retaining ring with respect to the side of the spring-loaded element facing the die.
  • a further and / or alternative seal is preferably provided, which seals the retention device and / or the retention area with respect to the particularly annular or annular perforation area.
  • the retention device and / or the retention area of the sealing element is preferably designed and determined in such a way that it holds the sealing element on the underside and / or preferably on the side of the spring-loaded element of the hot beverage system and preferably the stamp facing away from the die.
  • the fixing device of the sealing element is preferably suitable and intended to hold and hold the sealing element and in particular the perforation area of the sealing element on the underside, which is preferably a side of the spring-loaded element facing away from the die, and in particular the stamp of the hot beverage system to fix in particular.
  • the clamping effect between a holding element of the fixing device and the hot beverage system and in particular its spring-loaded element is therefore effected on the side of the spring-loaded element facing away from the die.
  • the fixing device is also referred to below as a holding device.
  • the fixing device can be designed as a molded plastic part and / or molded metal part and in particular as a two-part ring. It is also conceivable to design the holding device or the fixing device as a bent sheet metal part.
  • the fixing device preferably holds the sealing element such that the spring-loaded element is in a rest position and in particular in a completely extended position. This advantageously ensures that, after the brewing process has ended, the container is thrown into a collecting container without any further manual intervention.
  • the fixing device can be provided by a holding element which has a bore and which can in particular be clipped onto a pin-like element.
  • the holding device or the fixing device can be guided against a tapered section of the spring-loaded element and, in particular, of the stamp, so that this component, that is to say the fixing device or the holding device, expands until it engages in its bore.
  • a seal is created by closing the existing opening of the fixing device or the holding device.
  • the fixing device can be provided by a molded metal part, in particular a two-part ring.
  • the two parts, in particular two half rings, can be screw can be arranged to each other in particular frictionally.
  • the fixing device can also have a preferably circumferential ring spring which arranges and fixes two elements of the fixing device to one another.
  • two elements of the fixing device can be fastened to one another with cable ties.
  • a fixing device can be implemented via a bent sheet metal part, which can also enable locking on the hot beverage system and in particular on the spring-loaded element.
  • a film element described above can preferably be the filter membrane or be designed as such and vice versa.
  • the filter membrane and / or film element has materials, or consists of materials which are selected from a group of materials which are polypropylene; a polypropylene film; PET; Composite plastics; Composite plastic films; in particular composite plastic films consisting of fabric, metal films, plastic films; Plastic injection molded parts; from biodegradable materials (as above except metal foils), for example cotton fabric, corn starch, plastic injection molded parts made from corn starch; Contains steel sheet, aluminum sheet, stainless steel sheet and the like.
  • the fixing device and / or the retaining device and / or the retaining area and / or the retaining device of the sealing element and in particular the retaining ring and / or a retaining element can preferably be designed as a plastic molded part, as a metal molded part, sheet metal stamped and bent part and / or as a sheet metal stamped molded part.
  • the fixing device and / or the holding device for a filter membrane or filter in the perforation area of the sealing element can preferably have a clamping ring. This clamping ring can be arranged on the sealing element in such a way that it can preferably be pushed onto a projection and in particular against the loading device of the hot beverage system in the sliding direction and in particular counter to the loading direction.
  • the retaining device and a reinforcing element of the sealing element could be formed in one piece and, in particular, to be made from the same material.
  • the restraint device and the reinforcing element in this configuration could preferably be by means of at least one web (for supporting or increasing the Stability) and particularly preferably by means of at least three webs (which preferably each extend in a radial direction with respect to a central axis of the sealing element).
  • the retaining device and / or the reinforcing element and / or the web or the webs could be made of aluminum and / or stainless steel, for example.
  • the perforation area of the sealing element could be realized in particular between the webs by means of a further element (for example PP and / or PS (foil) element).
  • a further element for example PP and / or PS (foil) element.
  • the sealing element should be positioned very precisely with respect to the position of the webs or the perforation area with respect to the piercing pins when they are inserted into the hot beverage system
  • the sealing element is preferably produced as an (in particular one-piece) injection-molded part (made of, in particular biodegradable, plastic).
  • this has a central inner area which is preferably thicker and / or stronger (or less elastic, in particular with respect to the capsule) than a (preferably adjacent to the central inner area) and with respect to the central axis, the central region of the sealing element arranged radially further outward.
  • This central area preferably completely surrounds the central inner area.
  • the middle area is preferably the perforation area.
  • the central region is preferably designed in this way and is intended to be perforated, in particular of spikes of a hot beverage system.
  • the central region (radially outside with respect to the central axis) is preferably adjoined by an outer region which (like the central inner region) is designed to be less elastic and / or less flexible and / or firmer and / or thicker than that middle area (perforation area).
  • This outer area is preferably used as a reinforcing element and is particularly preferably equipped with features that were described above in connection with the reinforcing element individually or in combination (however, this is also part of the one-part injection molded part and thus made of plastic).
  • the sealing element or the filter membrane is preferably disassembled by destroying at least one element of the clamping ring.
  • the sealing element is preferably disassembled from the hot beverage system by actuating at least one sleeve which spreads the clamping areas and / or spring elements of a holding device and / or the fixing device in such a way that the frictional engagement is eliminated.
  • the sealing element preferably has a sleeve which is arranged on the inside with respect to the projection on which the sealing element is arranged. Disassembly is preferred by arranging a further sleeve around the holding device and / or the fixing device.
  • the sealing element preferably has a sealing device which is suitable and intended to enable sealing between the sealing element and the container.
  • the seal can be formed by a preferably circumferential metal ring and / or a circumferential metal element and / or a plastic ring and / or a circumferential plastic element.
  • the sealing element is preferably designed in such a way that in a position of the sealing element during a brewing process, the sealing device, in particular, fully contacts and thus seals at least one area of the container, in particular an upper area of the container.
  • the contact area between the sealing device of the sealing element and the container is preferably adapted to the contour of the capsule or the contour of the container, so that the coffee grounds are preferably retained mechanically.
  • the sealing element can have rubber-like or flexible sealing elements, but configurations without rubber-like or flexible elements are also conceivable.
  • the contact area can be provided on an area of the recess of the coffee capsule or the container, but it can also be arranged in full on a projection or on an edge of the container.
  • an embodiment without a sealing device is also possible, in which, for example, a circular capsule rim lies directly against the filter membrane or the sealing element and in particular the perforation area or an area adjacent to it.
  • a container can have a sealing device.
  • the sealing device can in particular be arranged over the entire circumference at the top of an edge or projection of the container or the coffee capsule.
  • the sealing device can also be arranged around an edge or a projection of the container, that is to say in particular on the top and on the underside of the edge or the projection.
  • a shaped element preferably a circumferential shaped element such as a shaped ring, preferably made of plastic and / or metal, can be provided and preferably arranged on the container. This can be glued in and / or pressed etc. This element can be on a projection or edge of the container to be placed or arranged and at least partially protrude into a recess of the container. Deepening a container is understood to mean in particular the receiving area of the container. By means of this shaped element, stabilization of the capsule container or of the container can advantageously be increased and / or generated.
  • the container is stabilized by a molded part, in particular made of plastic and / or metal.
  • the molded part preferably follows at least in regions and in particular along the receiving region of the container in the course of the container.
  • the molded part can preferably be glued and / or pressed into the container.
  • the present invention is further directed to an insertion tool (hereinafter also referred to as an insertion device) for the sealing element.
  • the insertion tool is suitable for this purpose and determines the permanent arrangement of the sealing element in a hot beverage system.
  • the insertion tool is preferably designed as a molded part.
  • the insertion tool preferably has a molded part.
  • the insertion tool is preferably suitable and intended to be inserted into the hot beverage system with a sealing element preferably arranged thereon, and the insertion tool is particularly preferably designed in such a way that after the shaft has been locked or after the pressing block of the hot beverage system or the coffee machine, the sealing element is permanently installed or arranged on the hot beverage system.
  • the insertion tool is designed as a sheet metal part.
  • the insertion tool offers the advantage that automatic installation can only be carried out by inserting the insertion tool together with the sealing element into the hot beverage system and locking the shaft.
  • Additional tools can preferably be integrated and / or provided as a separate tool, to which the present invention is also directed, such as, for example, a circular cutter which, in the case of a used coffee capsule, cuts out the filter film used, in particular precisely, so that the (emptied) ) Coffee capsule that is available for reuse.
  • a circular cutter which, in the case of a used coffee capsule, cuts out the filter film used, in particular precisely, so that the (emptied) ) Coffee capsule that is available for reuse.
  • a circular cutter preferably has at least one and preferably at least two severing element (s), which is suitable and intended to be placed on the filter film of the coffee cap once or several times (with force) and / or rotated. be to cut through the filter film at least in regions and preferably completely and particularly preferably along a circular line.
  • the circular cutter is preferably suitable and intended to use a capsule rim of the coffee capsule as a guide.
  • the circular cutter is preferably suitable and intended for cutting out and particularly preferably the severing element for planing the filter film of a (commercial) coffee capsule. It is also conceivable that the severing element is a knife. Cutting elements are preferably arranged diametrically to one another.
  • the severing elements are preferably arranged along a circular line with the same distances between two adjacent severing elements.
  • the circle cutter can have a bead to improve stability.
  • the circular cutter can preferably have a holding element.
  • the circular cutter is preferably (at least partially and preferably in its entirety) a pressed sheet metal part.
  • Tools can also be integrated (in the insertion tool) for removing the filter membrane or the sealing element.
  • the present invention is further directed to an emptying tool for emptying used coffee capsules with an (elongated) grip element for holding the emptying tool and with a receiving area for receiving a coffee capsule.
  • the coffee capsule can preferably be inserted.
  • the emptying tool preferably has a ring and / or an opening and / or a recess into which the coffee capsule can be inserted.
  • the capsule edge preferably lies on the emptying tool and preferably prevents the coffee capsule from passing through the opening. There is preferably no locking of the coffee capsule on the emptying tool.
  • only the outer edge of the capsule forms a support area in a state lying on the emptying tool.
  • the coffee capsule is preferably not positively connectable to the emptying tool in (at least) one direction perpendicular to this plane.
  • the present invention is further directed to a method for separating and / or releasing and / or ejecting the container in which a hot beverage has been brewed from the hot beverage system and in particular from the sealing element and in particular from the die of the hot beverage system.
  • the container and / or the sealing telement a spring that separates the container from the sealing element. In particular, there is a separation when the hot beverage system is unlocked.
  • the stamp or a spring-loaded element of the hot beverage system is held in a predetermined position by a retaining device of the sealing element, the stamp or the spring-loaded element can have the function of ejecting the coffee capsule or the container by attaching the sealing or filter system - no longer perform tems and is replaced, for example, by the spring element.
  • the sealing element is introduced into the hot beverage system and in particular the coffee machine without an additional insertion tool.
  • the sealing element is preferably introduced or inserted manually.
  • the perforation area or the perforated area of the sealing element has a high strength, for example a disc-shaped filter has a high strength, the sealing element can also be used by hand.
  • the sealing element preferably has a clamping device or clamping device in the center, which is particularly preferably fastened to the centrally located piercing spikes of the water supply of the hot beverage system.
  • the sealing element is preferably equipped or provided with penetrable material in the area of the piercing pins of the hot beverage system, which are arranged in particular along a circular line.
  • the present invention is further directed to coffee pods which have a particularly biodegradable covering, for example made of cellulose and / or paper (and preferably in the form of a paper chamber) and fully encompass a powder-like substance such as coffee powder.
  • a particularly biodegradable covering for example made of cellulose and / or paper (and preferably in the form of a paper chamber) and fully encompass a powder-like substance such as coffee powder.
  • a sealing device is provided, which is preferably designed to be completely circumferential and which, in particular, runs in a circular shape.
  • the sealing device made of paper and / or cellulose is preferred.
  • the edge of the coffee pad and / or the circumference of the coffee pad is preferably adapted to a capsule or a container which can be inserted and arranged in a hot beverage system such that the circumference preferably with the edge of the container and / or an edge region of the container.
  • the sealing device of the coffee pad preferably follows an area of the container at least in sections and in particular in full. ses, in particular the course of the edge or the projection of a container.
  • the sealing device is preferably provided by a cellulose and / or paper ring. The sealing device advantageously prevents liquid from flowing out or escaping between the sealing element, which is permanently introduced into a hot beverage system, and the container in which the coffee pad is received.
  • the sealing element preferably has one sealing layer and / or two sealing layers.
  • the sealing element is thus composed of at least or exactly one sealing layer.
  • This one sealing layer can have two different regions, the aforementioned first and second.
  • the sealing device can be provided by the envelope itself.
  • the sealing device can, however, also be an element or layer different from the wrapping of the contents to be accommodated (such as coffee powder), which is arranged in particular on the wrapping on the outside and / or inside thereof.
  • a coffee pad is a pad tailored for the product, which is adapted in particular to the shape of the coffee capsule (small, medium, large coffee capsule) into which the pad is to be inserted, with regard to its geometric extension (s) , so that it can be (fully) inserted into the coffee capsule.
  • the (outer) shape of the coffee pad preferably follows the shape of the inner wall of the coffee capsule into which the pad is to be inserted.
  • the coffee pod does not follow the inner wall but has a different shape.
  • the wrapping preferably has at least two (preferably exactly two) wrapping areas, namely a first wrapping area and a second wrapping area, which differ from one another in their permeability.
  • the first wrapping area which preferably corresponds to the main coffee outlet area in the state inserted during the brewing process, is characterized by a lower permeability than the second wrapping area, which is preferably opposite the first wrapping area and / or abuts a bottom area of the capsule in which the pad is inserted becomes.
  • permeable filter paper For example, for the first wrapping area, which has the coffee powder to be wrapped from one side (in particular from the side facing the capsule opening in an operating state in which the pad is inserted into the capsule and / or from the side on which during the brewing process) Coffee comes out of the pad mainly), permeable filter paper should be used. Impermeable filter paper, for example filter paper coated with biodegradable lacquers, is preferably used for a different area, in particular the second wrapping area.
  • Pads of this type can preferably be used in a coffee capsule preparation machine (for example inserted in empty coffee capsules) to prepare a coffee in this machine.
  • This offers the advantage that environmentally friendly disposable pads can only be used with one (empty) (commercially available) coffee capsule of the machine with the same or even better extraction result.
  • the covering serves (at least in some areas) as a filter (which forms the upper cover element of the capsule in coffee capsules).
  • the pad has a capsule-shaped shape, for example an essentially frustoconical shape.
  • Pads with a wrapping made of (preferably permeable) filter paper without a further additional filter (for example without a filter installed) can preferably be used in a coffee capsule machine.
  • the geometric size or extension of the pad can be adapted to commercially available coffee capsules, preferably in such a way that they can be inserted into an empty coffee capsule.
  • the (capsule-shaped) pad preferably has a first wrapping area (made of filter paper) which is permeable to water.
  • the first wrapping area is preferably an area arranged on the pad base.
  • the (capsule-shaped) pad preferably has a second wrapping area (made of filter paper) which is semi-permeable and / or sealed and which preferably forms a jacket area of the wrapping of the pad.
  • the (capsule-shaped) pad preferably has a third wrapping area (made of filter paper) which is semi-permeable and / or preferably covers an upper area (opposite the bottom area).
  • the third cladding area can be made elastic (especially by flexible coating) or brittle (especially by plastic coating) or can have at least one elastic and at least one brittle area.
  • the pad preferably has a food-safe coating and particularly preferably all coated areas of the pad are food-safe.
  • the coating of (coffee) pods or of its covering can be elastic and / or (completely and / or over the entire surface) can be brittle or can have sections of combinations of elastic and brittle regions.
  • coffee pods can be “tight” so that the water inflow and outflow within the coffee pod (container) is forced.
  • the various coatings must not go into solution during the extraction process, ie the extracted coffee must not be “contaminated” with components of the coating. All components of the coffee pod can be made biodegradable. Tiles, foils made of cellulose, cellophane, and the like can be selected, for example, for the wrapping or as wrapping materials.
  • the capsule design or the pad design for insert coffee pods can preferably be designed more freely than capsule containers which are filled and operated with ground coffee.
  • the coffee capsule can therefore be provided with larger openings in the water inflow area.
  • the capsule base can be completely omitted because the coffee pad can act as a coffee container.
  • the (coffee) pad preferably has flavorings such as sugar.
  • the aroma substances can be in or on the cover of the pad (ie in the coffee pad container), for example the flow (provided), and / or can be part of the content of the coffee pad.
  • a (coffee) pad or its wrapping (disposable concept) intended only for single use can preferably be cellulose-based. It can consist of a soft and / or a solid material. It is conceivable that the pad and, in particular, its wrapping is designed to be dimensionally stable, so that the pad can be inserted / used in the coffee machine even without a coffee capsule (for example, empty commercially available coffee capsule).
  • the (coffee) pad can also be used as a solid and, in particular, reusable container (for holding ground coffee).
  • the material (for the covering and / or which partially forms the covering and / or from which the covering is made) of the (coffee) pods which are preferably intended for single use only, can be selected from a group consisting of: Tile, nets, woven fabrics, wadding, foils, composite films, the like and combinations thereof contains.
  • a coating material for at least a region of the pad, in particular an inner and / or outer surface of the covering of the pad can be selected from a group that uses organic, corn-based, starch-based, sugar-based materials, in particular with elastic and / or brittle properties, hot melt adhesives contains degradable and / or synthetically non-biodegradable materials and the like and combinations thereof.
  • the present invention is also directed to a sealing element for retaining powder-like substances (in particular during exposure to water of powder-like substances or a brewing process) in a container, in particular coffee capsules, in particular has an essentially circular base area and / or (essentially) circular cross-section and is suitable and intended to be permanently attached to a hot beverage system, the sealing element having a holding device which is suitable and intended to place the sealing element on (and / or in) an area of the hot beverage system.
  • the sealing element has a first area (as a holding area) which is suitable and intended for holding an element of the hot beverage system in a predetermined position.
  • the sealing element can be equipped with all of the features described above in connection with the sealing element individually or in combination of several features and vice versa.
  • the sealing element has a second area (as a perforation area) which is suitable and intended to be perforated. This second area (perforation area) is preferably perforated by (at least) one element arranged on the hot beverage system, more precisely on the press stick and / or a die of the hot beverage system.
  • a perforation also means piercing, so that this second area of the sealing element is pierced by an element of the hot beverage system.
  • the hot beverage system can preferably have a large number of such elements, for example engagement elements.
  • These engagement elements can be designed, for example, as mandrels.
  • the present invention is further directed to a sealing element for retaining powder-like substances (in particular during exposure to water or a brewing process) in a container, in particular coffee capsules, in particular has an (essentially) circular base and / or an (essentially) ) circular cross section and is suitable and intended to be permanently attached to a hot beverage system.
  • the sealing element has a first sealing layer and a second sealing layer, and these sealing layers are arranged at least in regions and opposite one another, in particular one above the other, these sealing layers being connected to one another at least in regions.
  • the sealing element can be equipped with all the features described in connection with the two sealing elements described above individually or in combination of several features and vice versa.
  • the first sealing layer preferably has at least one opening, in particular in the center, and preferably exactly.
  • center is understood to mean that the opening is arranged, for example, with a circular cross section of the sealing element in a center of the circle. It should also be pointed out that the sealing element can also have a different cross section that deviates from a circular cross section, for example a polygonal cross section. The opening could also be arranged at a point deviating from a center point.
  • only the first sealing layer (exactly) has an opening.
  • the second sealing layer preferably has no opening or hole.
  • the present invention thus preferably proposes an at least two-layer design (a multi-layer configuration would also be conceivable).
  • the opening is preferably, for example, a recess, so that advantageously (at least) one element of the hot beverage system can preferably be passed through the first sealing layer.
  • This element is preferably an application device which has a nozzle. With this loading device, more precisely via the nozzle or an outlet opening of the loading device, the powder-like substance (accommodated in a container), for example coffee powder, can be charged with water.
  • a further element of the hot beverage system and / or in addition to a nozzle a further element of the loading device can preferably be passed through the opening.
  • the further element is preferably an element that is prestressed with respect to (at least) a further part of the hot beverage system, preferably a spring-loaded element, which is particularly preferably used for tensioning or positioning and the rotationally fixed arrangement of a capsule inserted in the hot beverage system.
  • the first sealing layer and / or the second sealing layer has at least one further opening and preferably a plurality of further openings arranged on the inside in each case, in particular along a circular line in the radial direction with respect to the outer circumference (of the first sealing layer).
  • the sealing element can preferably also have a multiplicity of openings arranged in this way. These openings can, for example, also be arranged or provided only on the first sealing layer. These openings advantageously offer a positionally accurate arrangement of the sealing element.
  • the plurality of openings is further preferably arranged symmetrically along the outer diameter of the sealing layer. Preferably, openings of this plurality of openings which are adjacent in pairs are at the same distance from one another.
  • the first sealing layer and / or the second sealing layer preferably has at least four, preferably at least eight, preferably at least twelve and particularly preferably at least 18 openings (in particular along a circular line).
  • the first sealing layer and / or the second sealing layer preferably has at most 40, preferably at most 24, preferably at most 18 (in particular along a circular line) arranged openings.
  • openings can be made, for example, before the sealing element is used, for example during its manufacturing process.
  • the openings it is preferably possible for the openings to be introduced immediately before the sealing element is used, for example by means of appropriate devices on the hot beverage system, for example by means of engagement elements. This fact will be explained later with reference to the accompanying drawings.
  • the position of the second sealing layer can be changed at least in some regions with respect to the first sealing layer.
  • This is preferably a central region of the second sealing layer.
  • This can be understood, for example, to mean that the second sealing layer can lie completely against the first sealing layer, but it is also possible for it to be a little further away from the first sealing layer and, for example, to have a bulbous shape in a central region. takes and is thus somewhat spaced from the first sealing layer.
  • the position of the second sealing layer can preferably be changed at least in some regions with respect to the first sealing layer along a direction which is perpendicular to a main extension plane of the first sealing layer.
  • the first sealing layer and the second sealing layer preferably delimit a cavity which, particularly preferably (before first use or in an initial state), is only accessible from the outside via the opening arranged in the first sealing layer.
  • the expansion of the cavity can preferably be changed in at least one direction. This is particularly preferably a direction which is perpendicular to the main extension plane of the first sealing layer and / or which runs along the direction of action if the sealing element were in a state arranged and ready for use in the hot appliance system.
  • the direction of action is the direction of the water flow along which the powdery substance in the container is acted upon by the acting device.
  • the cavity is preferably free of material, but a filling with preferably elastic material is also conceivable.
  • At least the second sealing layer of the sealing element preferably forms a filter membrane, in particular in cooperation with an engagement element of the hot beverage system.
  • This is to be understood to mean that at least the second sealing layer of the sealing element is suitable and intended to retain a powder-like substance in the container, which is closed or covered, for example, by the sealing element, so that it does not escape from the container when that container is charged with water by the hot beverage system and thus a brewing process is started.
  • the element of the hot beverage system with which at least the second sealing layer forms the filter membrane can be, for example, a die and / or mandrels.
  • the first sealing layer preferably also interacts with an element of the hot beverage system. This can also be the aforementioned mandrels.
  • the first sealing layer is preferably suitable and intended to hold the sealing element in position with respect to the container and also with respect to the hot beverage system and in particular to fix it. It would be possible, for example, for the container with the sealing element arranged thereon to be inserted into the hot beverage system and for the first sealing layer and also the second sealing layer to be pierced by the engagement elements, for example mandrels, arranged in the hot beverage system when the hot beverage system is closed.
  • This piercing preferably produces, for example, the filter membrane (or suitability for filter action) on the one hand, and a retaining connection with the sealing element on the other. Since this is a hot beverage system known from the prior art, for example a coffee capsule machine, its exact function is not discussed further here. However, the above-described situation can be seen more precisely from the attached drawings.
  • the sealing element has holding means which are suitable and intended to arrange the sealing element permanently or for a large number of brewing operations on the hot beverage system, in particular in its press stick.
  • the holding means can be, for example, at least one adhesive coating.
  • An adhesive coating is preferably provided for permanent or long-term attachment of the sealing element to the hot beverage system.
  • a prerequisite for this is, for example, their water resistance and heat resistance up to temperatures in the range of 100 ° C.
  • holding means are also conceivable, such as, for example, for positive and / or non-positive and / or frictional (permanent), in particular accurate positioning Arrangement or fixation of the sealing element on the hot beverage system.
  • the holding means could for example encompass at least one and preferably a plurality of projections arranged on the hot beverage system and / or engage in at least one and preferably in a plurality of recesses and / or recesses arranged on the hot beverage system.
  • the holding means could preferably produce a clamping effect.
  • the holding means could preferably cooperate with a rubber seal and / or a sealing element of the hot beverage system.
  • the first sealing layer is connected to the second sealing layer in a food-safe manner.
  • the first sealing layer is further preferably connected to the second sealing layer in a water-tight manner.
  • food-safe means that the binder has no effects on the food, for example coffee powder, provided that they come into contact with one another. More preferably, the binder is not water-soluble and can withstand higher temperatures. Higher temperatures are understood to mean, for example, temperatures of up to 100 ° C., since the usual brewing temperature of a hot beverage system is in this range.
  • the first and second sealing layers are further preferably connected to one another in such a way that they cannot be separated from one another without being destroyed.
  • the first sealing layer is glued and / or welded to the second sealing layer.
  • cyanate and / or acrylate adhesives could preferably be used. However, this should not rule out other adhesives.
  • Ultrasonic welding would preferably be conceivable as the welding process in order to achieve the bond from the individual sealing layers, but here, too, other welding methods are not excluded.
  • the first sealing layer and the second sealing layer differ in their (manufactured) material.
  • the first sealing layer is preferably made of a material which has (sufficiently) high strength.
  • the first sealing layer could be a dimensionally stable element (which in particular cannot be bent). The first sealing layer to the shape of the element is preferred.
  • the second sealing layer preferably has high strength. It is also possible that the strengths of the sealing layers differ. In principle, it is advantageous if the first sealing layer has a strength which is higher than that of the second sealing layer.
  • the first sealing layer is preferably made of sheet metal, whereas the second sealing layer is preferably made of spring steel. However, other materials cannot be excluded.
  • the sealing layers preferably differ in their thickness at least in regions and preferably over the entire surface.
  • the first sealing layer advantageously has a thickness which is in a range from 500 pm and 1 pm, preferably 400 pm and 20 pm, preferably 200 pm and 50 pm, preferably 150 pm and 70 pm, particularly preferably 120 pm and 80 pm.
  • the second sealing layer advantageously has a thickness which is in a range from 90 pm and 10 pm, preferably 80 pm and 20 pm and preferably 70 pm and 30 pm, preferably 60 pm and 40 pm, particularly preferably 55 pm and 45 pm lies.
  • the strength and / or the layer thickness of the first sealing layer is greater than that of the second sealing layer.
  • Such a configuration favors the different tasks to be performed by the sealing layers.
  • the first sealing layer should perform a supporting function, which is why a higher strength is advantageous here.
  • At least one sealing layer is designed like a film.
  • the perforation area is preferably designed in the form of a film. This is preferably due not least to the thickness ranges of the two sealing layers already mentioned above.
  • a film-like configuration offers the advantage that the individual sealing layers can thus be pierced more easily by means of the engagement elements of the hot beverage system. This in turn offers the advantage that less force has to be used by a user of the hot beverage system in order to pierce the film layers.
  • such an embodiment also offers the advantage that the engaging elements of the hot beverage system are not excessively stressed, and thus advantageously the penetration Chen, from the point of view of the engagement elements, can be carried out gently, which positively supports a longer service life of the engagement elements.
  • At least one of the two sealing layers is flexible, and can therefore preferably be bent.
  • Both the first sealing layer and the second sealing layer advantageously have at least a certain proportion of flexibility.
  • neither the first sealing layer nor the second sealing layer is rigid.
  • the sealing layers can thus preferably be subjected to a certain pressure without them tearing immediately, but rather have a certain deformation beforehand.
  • At least one of the two, preferably both, sealing layers has an outside diameter in a range between 1 cm and 7 cm, preferably between 2.5 cm and 5 cm and particularly preferably between 3 cm and 4 cm. It can be quite advantageous if the individual sealing layers have a different outside diameter.
  • the second sealing layer could preferably have a smaller outer diameter than the first sealing layer.
  • the first sealing layer it would also be possible, for example, for the first sealing layer to have a smaller outside diameter than the second sealing layer.
  • the sealing layers which together form the sealing element, are preferably able to form a gap between them. This is possible, for example, due to the flexibility of the individual sealing layers mentioned above. More preferably, the sealing layers are able to experience an expansion without the sealing layers tearing.
  • the gap is advantageously formed in a direction that is perpendicular to the respective main extension planes and in particular the circular surfaces of the sealing elements.
  • the gap can have a width between 2 cm and 0.1 cm, preferably between 1.8 cm and 0.2 cm, preferably between 1.6 cm and 0.3 cm, preferably between 1.4 cm and 0.4 cm, particularly preferably between 1.2 cm and 0.5 cm.
  • an element (loading device) of the hot beverage system could be passed through the opening or recess of the first sealing layer of the sealing element and thus be arranged between the first sealing layer and the second sealing layer.
  • at least one surface of the first and / or the second sealing layer and in particular exclusively the second sealing layer, preferably at least two surfaces of the second sealing layer, at least in sections and in particular over the entire surface has a roughness Rz (average roughness depth, mean value from the measured roughness depths) of less than 10 pm, preferably less than 8 pm, preferably less than 5 pm and particularly preferably less than 1 pm.
  • the surface structure of the second sealing layer is preferably a surface structure which is impressed on a carrier material, such as a film, by rolling.
  • the second sealing layer preferably has or consists of a rolled metal foil.
  • Such a profiling of the surface offers the advantage that the perforation of the second, which is created by pressing on protruding elevations of the hot beverage system (for example, mandrels and / or perforation means and / or cone (-dump) - or pyramid (-dump) -shaped projections) Sealing layer is created in an extremely reliable manner.
  • the formation of a (uniform) crack pattern is supported and the second sealing layer preferably forms a pattern (perforations predetermined by the protrusions of the die), preferably without an undesired one further tearing occurs even with repeated brewing processes.
  • At least the first sealing layer and / or the second sealing layer preferably has a circumferential groove on the outer edge, in particular essentially running along the circumferential course and / or like a circular line and / or following a circular line.
  • the groove can be present in one of the two sealing layers or else in both sealing layers.
  • the groove has a depth which is in a range of 5 mm and 0.1 mm, preferably 4 mm and 0.2 mm, preferably 3 mm and 0.3 mm, preferably 2 mm and 0.4 mm and is particularly preferably 1.5 mm and 0.5 mm.
  • a projection of the first sealing layer and / or the second sealing layer preferably has a circumferential groove on the outer edge, in particular essentially running along the circumferential course and / or like a circular line and / or following a circular line.
  • the groove can be present in one of the two sealing layers or else in both sealing layers.
  • the groove has a depth which is in a range of 5 mm and 0.1
  • Container for example the coffee capsule, engage or be inserted.
  • the sealing element can advantageously be connected to the protrusion of the container by means of the circumferential groove (which advantageously achieves a sealing effect).
  • This lead can be designed as a complementary counterpart corresponding to the groove of the sealing element, so that a kind of plug connection can be realized.
  • the present invention is further directed to an insert for insertion into a (particularly commercially available, empty) coffee capsule.
  • the insert interacts with the (shape of the, in particular inner wall of) the coffee capsule and / or is designed with regard to the coffee capsule and is intended to ensure that the insert in a state inserted into the coffee capsule determines the depth or the vertical extension of the recess formed by the coffee capsule is shortened and / or the insert part provides a support surface for a pad to be inserted into the coffee capsule, which is arranged closer to the opening of the coffee capsule compared to the bottom surface of the coffee capsule without an insert part.
  • This offers the advantage that a pad inserted into the coffee capsule with an insert is arranged closer to the matrix in the brewing state and / or is preferably pressed onto the matrix, as a result of which better extraction results can be achieved.
  • the insert can be made elastic.
  • a spring (such as the insert) can press a pad that is placed on the insert into the coffee capsule against the die.
  • a rigid configuration of the insert for example as a molded part and / or flat element, for example as sheet metal, is also conceivable.
  • the pad preferably follows the rigid contour of the molded part and / or the flat element.
  • the insert is preferably designed such that, when the insert is inserted into the coffee capsule, the insert is at least partially spaced from the bottom area of the coffee capsule.
  • the present invention is further directed to a method of deforming a (commercially available, empty) coffee capsule by means of a (two-part) molding tool and a coffee capsule produced thereby.
  • the coffee capsule is inserted between two parts of the mold and is shaped in accordance with the space between the two parts and the walls delimiting this space. Preferably form the two parts and a corresponding counter shape.
  • the (preferably commercially available) pad is placed inside the deformed capsule obtained by the molding tool. The pad preferably closes with the Capsule edge conclusively and / or does not protrude (beyond the capsule edge) from the capsule.
  • the deformation on at least one wall region preferably a base region, preferably produces for the capsule (preferably exactly) a curvature extending towards the capsule opening and preferably a plurality of curvatures extending towards the capsule opening.
  • a curvature produced in this way preferably has an opposite curvature than the curvature of the respective undeformed base region.
  • At least one curvature is preferably formed on a (geometric) central region of the base region of the coffee capsule.
  • the present application is further directed to a container for holding powder-like, in particular ready-to-brew, substances.
  • the container has an (essentially) hemispherical base body, which is designed to be watertight and open on the hemispherical opposite side or upwards, the container along the open side being at least partially perpendicular to the base body in particular in the circumferential direction, at least in sections and preferably in full, has a circumferential fold.
  • An essentially hemispherical configuration is not only understood to mean an exactly hemispherical configuration, but also that the base body can have a substantially flat standing surface or floor surface in a lower region.
  • a circumferential direction is preferably understood to mean a curve (the groove) along the circumference.
  • the container can be designed and suitable in such a way that it is sealed or closed by the sealing element equipped above with all features individually or in combination.
  • the container has a recess in its hemispherical base body.
  • the depression is preferably provided on an outer wall of the base body.
  • a thread is arranged within the depression, or this thread is introduced into the wall of the depression.
  • the container preferably has a circumferential projection arranged essentially perpendicular to the fold.
  • the fold preferably has a constant radial distance from a center point.
  • this projection can be, for example, an element which can be inserted or introduced into the groove of the sealing element and thus establishes a connection between the sealing element and the container.
  • This projection can have a height corresponding to the groove, which is in a range of 5 mm and 0.1 mm, preferably 4 mm and 0.2 mm, preferably 3 mm and 0.3 mm, preferably 2 mm and 0.4 mm and particularly preferably 1.5 mm and 0.5 mm.
  • the protrusion here can preferably be understood as an extension of the base body of the container, so that the inner wall area of the base body extends to the end of the protrusion on one surface.
  • the circumferential fold of the container is advantageously arranged on the outer wall of the container and, as already mentioned above, extends from this at least in regions perpendicular to the outer wall.
  • the container for example the coffee capsule, is usually made of a metallic material.
  • the container is preferably made of aluminum. However, other materials are not excluded and can also be regarded as advantageous.
  • the fold preferably serves, for example, to hold or carry the container in the hot beverage system into which the container is inserted.
  • specific information or identification features for example in the form of a bar code
  • This barcode can, for example, be read out by the hot beverage system and thus set specific properties fully automatically. These specific properties include, for example, the amount of water, brewing temperature, pressure and the like.
  • the present application is furthermore based on a system comprising a container for holding powder-like, in particular ready-to-brew, substances and a container closable cover element directed.
  • the container has a substantially hemispherical base body, which is watertight and is open on one side, in particular on the hemispherical opposite side, the container along the open side being at least partially essentially perpendicular to the base body, in particular in the circumferential direction revolving fold.
  • the container can be reclosed with the cover element, the cover element being connectable to the container at least in sections.
  • This cover element is preferably the sealing element described above, which is composed of a first sealing layer and a second sealing layer. Both the cover element (or sealing element) and the container can be equipped individually or in combination with all of the features described above in connection with the sealing element or the container.
  • the cover element has at least one, in particular, centrally arranged opening.
  • This opening is preferably the aforementioned recess into which an admission device of the hot beverage system can be inserted.
  • the cover element is preferably detachably or firmly connected to the container.
  • the cover element can preferably be brought (preferably reversibly) both into a position closing the container and into a position opening the container.
  • the cover element could be removed from the container or simply opened, so that the container can be filled with the powdery substance, for example. After the container has been filled appropriately, it can then be closed by means of the cover element or the sealing element.
  • the container with the cover element is preferably designed such that it can be closed again.
  • various design variants are conceivable, for example the cover element and the container could be glued to one another and / or, for example, have a hinge device.
  • the container and the cover element could also be formed in one piece, here the Cover element can be folded down.
  • other design variants are also conceivable and cannot be excluded.
  • the cover element consists of several layers.
  • This can again involve the sealing layers mentioned above, and in addition to the arrangement described above, these can also be rotatably supported relative to one another so that they can be rotated relative to one another.
  • rotatably supported means that the sealing layers can be shifted or rotated relative to one another by a few degrees, for example between 1 ° and 10 °.
  • the present invention is also directed to a method for, in particular permanent, attachment of a sealing element for retaining powder-like, in particular ready-to-brew substances in a container, in particular coffee capsules, to an element of a hot beverage system and in particular a portioned coffee machine,
  • the sealing element in particular one has a first area which is particularly suitable and intended to be perforated and / or has a perforated area which has at least one perforation and preferably a plurality of perforations, and wherein the sealing element preferably has a second area, the sealing element has a holding device which is suitable and intended to hold the sealing element at an area of the hot beverage system, characterized by the steps:
  • the sealing element is preferably pierced or perforated at at least one location and particularly preferably at a plurality of locations (in particular arranged along a circular line).
  • the sealing element is introduced into the hot beverage system and in particular the coffee machine without an additional insertion tool.
  • the sealing element is preferably introduced or inserted manually.
  • the perforation area or the perforated area of the sealing element has a high strength, for example a disc-shaped filter has a high strength, the sealing element can also be used by hand.
  • the sealing element preferably has a clamping device or clamping device in the center, which is particularly preferably fastened to the centrally located piercing spikes of the water supply of the hot beverage system.
  • the sealing element preferably has or is provided with penetrable material in the area of the end piercing pins of the hot beverage system, which are arranged in particular along a circular line.
  • the present invention is further directed to a method for, in particular permanent (in particular manual and / or mechanical), attachment of a sealing element for retaining powder-like, in particular ready-to-brew substances in a container, in particular coffee capsules, to an element of a hot beverage system and in particular a portioned coffee machine, wherein the sealing element has a first sealing layer and a second sealing layer, these sealing layers being arranged at least in regions and being arranged opposite one another, in particular one above the other, these sealing layers being connected to one another at least in regions and the first sealing layer has at least one opening.
  • the method comprises the step of arranging the sealing element on an element of the hot beverage system, in particular in its press stick. Furthermore, according to the invention, at least one element of the hot beverage system is inserted through the opening into a cavity delimited by the first sealing layer and the second sealing layer.
  • the element to be arranged or arranged in the cavity is preferably an element that is prestressed with respect to at least one further element of the hot beverage system, in particular a tensioning element.
  • the method can preferably be carried out by means of the sealing element described above, which can have all the features described above individually or in combination.
  • At least one of the two sealing layers is preferably pierced in a plurality of areas during the insertion process and / or by tensioning the pressing rod of the hot beverage system by at least one element of the hot beverage system and particularly preferably by a mandrel or an engagement element. chen.
  • the sealing element is preferably permanently arranged on the hot beverage system without prior exposure to water.
  • water is applied to a plurality of areas.
  • FIG. 1 shows a roughly schematic representation of a hot beverage system
  • FIG. 2 shows a roughly schematic illustration of an area of a hot beverage system
  • FIG. 3 shows a schematic illustration of an arrangement of a sealing element
  • FIG. 4 shows a schematic illustration of a sealing element
  • FIG. 5 shows an arrangement of a sealing element on a container
  • FIGS. 6a-6c show a preferred embodiment of a sealing element according to the invention with a retaining device (stamp retracted / pressed in),
  • FIGS. 7a-7b show a preferred embodiment of a sealing element according to the invention with the stamp extended
  • FIGS. 8a-8c are schematic representations of a holding device for filter membrane, as
  • FIGS. 9a-c show schematic representations of a holding device for filter membranes designed as a molded metal part
  • FIGS. 10a-10b show schematic representations of a bent sheet metal part
  • FIGS. 11 a-11 e show schematic representations of a seal between the filter element and the coffee capsule
  • FIGS. 12a-12b show schematic representations of stabilization of the capsule container
  • FIGS. 13a, 13b are schematic representations for dismantling the holding device
  • FIG. 15 shows a schematic illustration of an insert
  • FIG. 16 shows a schematic illustration of the deformation of a capsule
  • 17 is a schematic representation of a circular cutter, 18 a reusable coffee capsule and a coffee pad suitable for this,
  • 21 is a schematic cross-sectional illustration of a sealing element
  • FIG. 22 shows a sealing element as in FIG. 21 in an installed state.
  • FIG. 1 shows, roughly schematically, a hot beverage system 22, for example a coffee machine.
  • the hot beverage system 22 is shown in an open position, that is to say that the lid 30 of the hot beverage system 22 is open, so that, for example, a capsule can be inserted.
  • the capsule normally contains the powdery material, for example coffee powder.
  • Such a capsule is shown here as the container 10 which has been inserted into the hot beverage system 22.
  • Corresponding engaging elements 24 are arranged on the underside of the cover 30, which are discussed in more detail in the further figures.
  • FIG 2 shows roughly schematically an area of a hot beverage system. More precisely, a lower area of the cover 30 (or part of a press block of the hot beverage system) is shown here.
  • a rotary head 34 can also be seen here, which has the engaging elements 24 and also the actuating device 31 with a nozzle 32 (or outlet opening 32) arranged thereon. It can be seen that there is a large number of engagement elements 24 which are arranged at a defined distance, for example symmetrically along a circular line and in the radial direction with respect to the outer circumference.
  • the engaging elements 24 can pierce the lid of capsules known in the prior art, which can be used once, and a sealing element (not shown).
  • FIG. 3 shows a schematic arrangement of a sealing element 1 with a container 10 in an area of a hot beverage system, this area being the lid 30 already mentioned. It should be noted here that the distances shown here between the elements 30, 1 and 10 are only shown for a better overview.
  • the engaging elements 24 and also the actuating device 31 with the nozzle 32 arranged thereon are arranged on this cover 30.
  • the engagement elements 24 are shown here, for example, as mandrels 24. Furthermore, only two engagement elements 24 are shown here, and as shown in FIG. 2, a large number of such engagement elements 24 can be present.
  • the engaging elements 24 are able and intended (or vice versa, the sealing element is designed in this way) to pierce the sealing element 1, more precisely the sealing layers 2 and 4 (or only one of the two sealing layers 2 or 4), as a result of which Openings 8 come into being, provided that these have not already been introduced into the sealing element 1 at least in some areas, for example only in the first sealing layer 2.
  • FIG. 1 Piercing of the sealing layers 2 and 4 occurs when, as shown in FIG. 1, a container 10, which is covered with a sealing element 1, is placed in a hot beverage system 22 and the lid 30 is closed. This situation is shown here in FIG. 3.
  • the engagement elements 24, in interaction with the sealing layers 2, 4, perform different tasks.
  • the sealing element 1 is provided by the engagement elements
  • a filter more precisely a filter membrane, is realized by means of the sealing layer 4 and the engaging elements 24.
  • the sealing layer 4 lies so close to the engagement elements 24 that a powder-like material which is located in the interior of the container 10 cannot pass through.
  • the sealing layer 4 and the engagement elements 24 are so close together after piercing the sealing layer 4 that only a liquid medium, such as, for example, brewed coffee, can pass through.
  • the loading device 31 can be guided through an opening 6 through the first sealing layer 2 of the sealing element 1.
  • the application device 31 is located between the first sealing layer 2 and the second sealing layer 4.
  • the nozzle 32 which is arranged on the application device 31, can thereby the second sealing layer 4 of the sealing element 1 pierce so that the nozzle 32 protrudes into the interior of the container 10 and thus the powder-like material located in the container 10 can act with a flowable medium, for example water.
  • a flowable medium for example water.
  • Another, in particular stamp-like element which is preferably prestressed, can be arranged in the cavity or the gap between the two sealing layers 2 and 4, as can be seen in FIG. 3.
  • a feed line 40 running from top to bottom for supplying water to the nozzle 32 (central or central) preferably runs through this further (preferably prestressed) element of the hot beverage system.
  • the rough design of the container 10 can be seen in FIG.
  • the container 10 has a hemispherical base body 12 and is open on a side opposite this base body 12. This open side is closed off by the sealing element 1.
  • the fold 16 running around the container 10 in the circumferential direction can be seen, which, as mentioned above, can have, for example, identification features such as a bar code.
  • the projection 18, which is also circumferential (in the circumferential direction), is arranged perpendicular to this fold 16.
  • FIG. 4 shows a schematic illustration of a sealing element 1. It can be seen here again that the sealing element 1 can be formed in one piece or in one piece.
  • the first sealing layer 2 has an opening 6 through which an application device 31, not shown, can be passed.
  • a groove 14 (not shown) can be provided, which is formed circumferentially in the sealing element in the circumferential direction. This groove 14 can cooperate with a not shown projection 18 of a container 10.
  • FIG. 5 shows an arrangement of a sealing element 1 on a container 10.
  • the container 10 is shown again with the hemispherical base body 12.
  • the container 10 also has the circumferential fold 16.
  • the sealing element 1 is arranged directly on the container 10 or connected to it, for example via an adhesive connection.
  • the sealing element 1 is composed of the first sealing layer 2, which has an opening 6, and the second sealing layer 4, the sealing layers being connected here again via the connection point 36.
  • the sealing element 1 can be folded up in the folding direction R, so that the Container 10 can be filled with the powdery material, for example. If the sealing element 1 is pressed downwards in the cutting direction R, that is to say toward the container 10, the sealing element 1 closes the container 10, so that no powder-like material can escape. In this case, the sealing element 1 can snap into a latching device 38 in a closed state, so that the sealing element 1 is held in the closed position.
  • the sealing element is also referred to below as a filter membrane.
  • the filter membrane 1 introduced into the coffee machine preferably closes approximately with the base of the capsule container 10 (see, for example, FIG. 6c) and forms a closed space.
  • the centrally located piercing mandrel 70 conveys water into the coffee capsule 10, which can leave the circularly arranged piercing mandrels 24 of the die 10 on the side facing the die with almost no loss.
  • the aim is therefore to provide the complete amount of water for the extraction. This applies to high-pressure pump coffee machines as well as to centrifuge-equipped coffee machines.
  • a preferred construction variant is a sheet that almost follows the contour of the die (deep-drawn part).
  • a clamping element 82 is preferably integrated, which fits onto the piercing mandrel 70 to be supplied with water.
  • the sheet metal part is preferably very thin in the form of a circular ring in the area of the circularly arranged piercing pins 24 of the die 10, so that the pins 24 can pierce the material when the filter element 1 is installed.
  • the desired functions could be obtained / produced by inserting the mandrel elements of a filter, as well as the particularly centrally located clamping disk 82 which is intended to hold the filter permanently in the coffee machine.
  • the retaining lamellae or retaining arms or retaining elements of the securing ring 64 or the fixing device or the clamping device 82 must be destroyed, which is shown in FIGS. 14a and 14b. light is.
  • a handle element 80 for example a drawing ring
  • the clamping mechanism of the clamping device 82 can be destroyed and the Filter or the sealing element 1 can be removed.
  • the clamping device 82 can be implemented, for example, by a shaft locking ring.
  • FIGS. 6a-6c show a preferred embodiment of a sealing element 1 according to the invention with a retaining device which, when the sealing element is permanently arranged in the hot beverage system, holds a spring-loaded element of the hot beverage system, for example the plunger of a coffee machine, in a pressed-in state.
  • the stamp In this pressed-in state, the stamp is preferably located as far as possible at least partially within the die or within the coffee machine.
  • the spring force acting on the element is preferably counteracted to a maximum.
  • the reference numeral 70 in FIGS. 6a-7b denotes a (fixed) water inlet or an application device of the hot beverage system.
  • reference numeral 28 again designates a die of the hot beverage system and reference numeral 24 engaging elements, which are preferably designed as piercing mandrels.
  • the reference numeral 52 designates a region, referred to as a spinning area (for example for the coffee), between the sealing element 1 or the filter membrane 1 and the die 28.
  • the loading device which contains a water inlet 70
  • the one located in a container 10 is removed
  • Ground coffee or powdery substance is charged with water which, to achieve the filter effect (formed from the interaction of the sealing element 1 and the puncture pins 24 (and / or the die)) is as exclusively and preferably essentially loss-free as possible through the area between the Sealing element 1 and the puncture pins 24 should leave the container 10 again.
  • the brewed beverage flows into the spinning area 52 and is preferably passed on from there to a vessel.
  • the reference numeral 26 denotes a spring-loaded element of the hot beverage system, which is designed here as a stamp 26.
  • the reference numeral 64 denotes a holding element or a securing element which retracts the stamp 26 in its retracted position holds (depressed) position.
  • the spring force must be counteracted accordingly via this holding element or securing element and a correspondingly opposite force must be transmitted to the plunger 26.
  • the reference numeral 66 denotes a sealing element / a seal which seals the sealing element or filter element with respect to the water inlet 70. This advantageously means that no water can escape between the water inlet and the filter membrane.
  • the holding or securing element engages on the side / surface of the stamp 66 facing away from the die 28.
  • the sealing element or the filter membrane is designed in one piece or in one piece
  • the filter element or sealing element consists of two parts (mode of operation as in FIG. 6a).
  • the actual filter element (which effects the filter effect), which is given by the perforation area 50, is circular in the embodiment shown in FIG. 6b and can consist of soft, flexible materials, such as, for example, plastic films.
  • the holding and securing element 64 (second part) is preferably a rather or comparatively (in relation to the filter element) solid material, such as aluminum sheet, and has the task of securely inserting the filter element or the sealing element 1 into the circular ring. shaped spikes 24 to hold.
  • the reference numeral 66 again designates a sealing element or a seal between the holding / securing element and the water inlet.
  • the sealing element has a perforated area, here a perforated area 68, at the location of the piercing mandrels 24, which may be realized as a sieve or may have a sieve.
  • the sealing element has at least one further sealing element 66 between a first area or perforating area and the second area (securing element / holding element).
  • FIGS. 7a, 7b show a preferred embodiment of a sealing element 1 according to the invention, wherein in a permanently arranged state of the sealing element a spring-loaded element of the hot beverage system, for example the stamp of a coffee machine, is in an extended state. With this in the driven state, it is preferably the rest position of the plunger (in which it is located if there are no other forces acting on it besides the spring force).
  • the stamp 26 has a circular projection which can permanently hold a retaining ring / element and is therefore able to fix the disk-shaped filter element.
  • the retaining ring 64 or the fixing device or the holding element can engage on the side of the stamp facing the die and thereby (permanently) hold it in a fixed (predetermined) position, as illustrated in FIG.
  • sealing elements are preferably provided between the perforation area or the filter membrane and the retaining ring (retaining element) and between the retaining ring (retaining element) and the stamp.
  • a holding element 64 for example, a shaft locking ring
  • sealing elements 66 are preferably provided between the holding element and the perforation area or the filter membrane or a film, which prevent water from flowing through from the water inlet between the holding element and the film or the perforation area.
  • FIGS. 8a-8c illustrate a fixing device or a holding device or a holding element for filter membrane (see FIG. 7a) which can be clamped or clipped around an extended die 26 (in particular in the rest position).
  • This holding device can be designed as a molded plastic part.
  • FIGS. 9a-9c illustrate a holding device or fixing device designed as a metal molded part.
  • this can be designed as a two-part ring (stamp extended).
  • Fig. 9a shows a fixability of the two parts of the two-part holding device via screw connection, Fig. 9b via a circumferential ring spring (can also be multi-part) and Fig. 9c with cable ties.
  • the holding device or the fixing device can also be designed as a bent sheet metal part, as shown in FIGS. 10 a, b, which can also have a lock 86.
  • FIGS. 11 a-e illustrate possible configurations of a seal between a filter element and a coffee capsule.
  • the sealing element 66 can be designed as a sealing ring 67, for example as a metal ring and / or plastic ring, and can be arranged on the filter element or the sealing element.
  • This sealing element 66 preferably contacts the capsule or the container 10 in an upper region of the receiving region of the container 10.
  • the annular section of the sealing element 66 is preferably adapted to the contour of the capsule, so that the coffee grounds are mechanically retained. It doesn't have to be a rubbery or flexible seal.
  • 1 1 b shows a further embodiment of the sealing element 66 on the filter element or sealing element 1, which is arranged on a region of the sealing element on which it fits on the fold 16 or the edge or a projection of the capsule / Container is present or contacted there.
  • 11 c shows an embodiment without a seal.
  • the circular capsule edge lies directly against the filter membrane or the perforation area or an area of the sealing element adjacent to it.
  • Fig. 1 1 d shows a seal between the filter element or the sealing element and the coffee capsule, in which the sealing element 66 on the top of the fold 16 or the edge 16 or a projection 16 of the capsule or the container 10 (the coffee capsule ) is arranged.
  • 11 e also shows a seal between the filter element or the sealing element and the coffee capsule, in which the sealing element 66 is arranged on the coffee capsule.
  • the sealing element is arranged around the edge of the fold 16, and thus on both the top and the bottom of the fold 16.
  • FIGS. 12a, b illustrate preferred embodiments of a stabilization of the capsule container or a container 10. As shown in FIG. 12a, this can be achieved by means of a shaped ring 72, in particular made of plastic and / or metal. The shaped ring 72 can be glued into the container or the coffee capsule and / or pressed etc.
  • the container is stabilized by a molded part 73, which is preferably made of plastic / metal and can be glued and / or pressed into the coffee capsule or a container.
  • the molded part 73 preferably follows the course of the coffee capsule 10.
  • Insertion tool (not shown) for the filter system and in particular for the sealing element (installation automatically): 1) Insertion tool designed as a molded part
  • Additional tools can be integrated, such as a circle cutter, which precisely cuts out the used filter film in a used coffee capsule, so that the coffee capsule is available for reuse.
  • Tools can also be integrated for removing the filter membrane from the coffee capsule. Inserting the filter membrane into a coffee machine without insertion tools (with the
  • the disc-shaped filter has a high strength, it can also be used by hand. In the middle there is preferably a clamping device which is fastened to the centrally located spike of the water supply. It is crucial that the filter is provided with penetrable material in the area of the circular piercing pins. This is imperative for all construction variants (see 6a-6c and Figures 7a-7b).
  • the coffee capsule or the filter element preferably has a spring which separates the coffee capsule from the filter element.
  • FIGS. 6a- 7b show the stamp which has become inactive.
  • the filter membrane (FIGS. 6a-c, 7) or the sealing element or a (each) film element can consist of the following materials or have the following materials:
  • Polypropylene film, PET etc. composite plastic films consisting of (fabric, metal films, plastic films), plastic injection molding
  • the holding device for filter membrane ((holding ring) stamp extended (FIGS. 7a, b)) or the fixing device can be designed as a plastic molded part, metal molded part, stamped sheet metal bent part and / or stamped sheet metal part.
  • FIGS. 13a, 13b generally show the loosening or dismantling of the holding device 78 or a fixing device for filter membranes.
  • 13a illustrates disassembly by destruction.
  • the reference numeral 75 denotes a spring piece.
  • a clamping ring 74 is preferably provided. In the sliding direction, which is illustrated by the two arrows, force is preferably exerted on the clamping ring.
  • 13b illustrates a further preferred embodiment of the implementation of the disassembly by actuating a sleeve 76.
  • a sleeve 77 is provided which is on the inside of the
  • the sleeve 76 preferably has an internal thread and is applied to the filter element and indirectly to the inner sleeve 77 and / or pushed on and / or unscrewed. As a result, the spring element or the spring elements are preferably spread apart, so that the frictional engagement is canceled.
  • the puncture filter systems must or should have penetrable material at the puncture points of the puncture spikes of the die, so that the desired filter effect is advantageously produced.
  • the filter element can be solid, hard and / or impenetrable outside the puncture areas of the puncture pins.
  • the filter element on the mandrel and / or pin-like projections and / or bores and / or circular disk (s) of the filter matrix in particular by means of clamping and / or screwing and / or squeezing and / or spring systems in particular - which are permanently attached.
  • the filter element has means which are suitable and intended to remove the filter element (if desired), in particular at a predetermined or desired point in time, from the die of the coffee machine.
  • Water supply In order to obtain a coffee drink, hot water has to be led through ground coffee to a filter system, which is supposed to hold back the ground coffee.
  • Fresh water is introduced centrally into the coffee capsule, which preferably has to emerge from the circular piercing spikes.
  • the filter system ideally or preferably consists of a disk of solid material, which is made thin-walled in the penetration areas of the piercing device of the die, so that the piercing pins can drill through the material during assembly.
  • the filter element In order to be able to insert the filter element into the coffee machine (assembly) with a central alignment, it is advisable to provide the disc with a hole in the center (center), which is centered on the (water) inflow tube of the die.
  • the circular spinous processes of the die preferably pierce the disk element.
  • the filter system is preferably fixed.
  • FIG. 14 shows a schematic representation of a (coffee) pad with a first covering area 103 and a second covering area 104, which here form the entire covering of the coffee powder to be brewed.
  • the first wrapping area 103 can consist of permeable filter paper and thus have a higher water permeability than the material of the second wrapping area 104, which can consist, for example, of a (substantially impermeable) filter paper, which can be coated, for example, with biodegradable paints .
  • FIG. 15 shows a schematic illustration of an insert in a (commercially available, emptied) coffee capsule 11.
  • This insert can be made elastic.
  • a spring can press the pad 107, which is placed on the insert into the coffee capsule 11 1, against the die.
  • a rigid configuration of the insert for example as a molded part 109 and / or sheet 109, is also conceivable.
  • the pad here follows the rigid contour of the molded part 109.
  • FIG. 16 shows a schematic illustration of the deformation of a (commercially available, emptied) coffee capsule 117 by means of a (two-part) molding tool, identified by the reference numerals 115 and 1 19.
  • the capsule is inserted between the two parts of the molding tool 1 15 and 119 and shaped in accordance with the space between the two parts and the walls delimiting this space.
  • the two parts 115 and 119 preferably form a mutually corresponding counter-shape.
  • the (preferably commercially available) pad 113 is inserted into the interior of the deformed capsule 117 obtained by the molding tool for the brewing process.
  • the pad preferably closes with the capsule rim and / or does not protrude (beyond the capsule rim) from the capsule.
  • a circular cutter 121 preferably has at least one handle element 131, in particular in the middle, and at least one and preferably at least two severing element (s) 128.
  • the severing element is preferably a planing element 128.
  • the filter film can be planed out by pressing the circular cutter 121 onto the filter film of the coffee capsule 123 and rotating the circular cutter on the filter film (here around the central axis of the circular cutter passing through the grip element 131) .
  • the geometric (radial) extension of the circular cutter (preferably with an essentially circular base area) can be designed such that the capsule edge 125 can be used as a guide for the cutting process of the circular cutter.
  • 18 shows a reusable (in particular metal and / or stainless steel and / or aluminum) coffee capsule 133 from the prior art of the applicant (see, for example, EP 2682028 A1) and a coffee pad 135 suitable for this.
  • the coffee capsule has in particular at the bottom area (preferably in the radial direction in each case) inflow openings for the pressurized water for supplying and acting on the ground coffee (which is contained or filled in exclusively in the coffee capsule).
  • the reusable coffee capsule 133 preferably the coffee pad 135 following the inner shape of the coffee capsule 133, can be provided.
  • Such coffee pods can be offered to the customer as a disposable product.
  • the wrapping of the coffee pad 135 can have filter paper and / or can consist of (in particular at least partially coated) filter paper.
  • a filter is integrated into the casing.
  • the casing also acts as a filter that separates the coffee to be extracted from other components (such as remaining coffee grounds).
  • the reusable system which was proposed in the above-mentioned application EP 2682028 A1
  • the upper area 137 (which faces the opening of the capsule or which faces the coffee drainage area (faces)) of the casing (of the frustoconical or capsule-shaped pad) is preferably (completely) semi-permeable or at least partially semi-permeable.
  • the jacket region 141 and / or the side region of the covering (of the frustoconical or capsule-shaped pad) is preferably (completely) semipermeable (or sealed) or at least partially semipermeable.
  • the base area 139 of the casing (of the frustoconical or capsule-shaped pad) is preferably (completely) water-permeable.
  • the bottom region 139 preferably essentially represents the inflow region of the pressurized water, while the jacket region 141 and / or the upper region 137 essentially form the outlet region of the coffee extract and a filter effect is advantageously achieved by their semi-permeability.
  • 19 a - d show preferred embodiments of environmentally friendly portion coffee capsule systems, the portion coffee machines here each having a die, which is identified by reference numerals 143, 151, 159 and 167.
  • the reference numerals 145, 153, 161 and 169 each indicate a filter for the coffee to be extracted, which can be arranged permanently on the die and / or another element of a coffee machine (so-called permanent filter). This preferably covers the opening of the coffee capsule, the various embodiments of a coffee capsule being identified by the reference numerals 149, 157, 165 and 173.
  • a filter 145, 153, 161 and 169 can be placed on an (additionally arranged) filter (Permanent filter) can be dispensed with.
  • the reference numerals 147, 155, 163 and 171 each denote, in particular shaped, (coffee) pods which are preferably adapted to the inner shape of the coffee capsules 149, 157, 165 and 173 and which, with their wrapping, particularly preferably the opening of the respective one Cover the coffee capsule (for sealing) (preferably in full).
  • the coffee receiving area can particularly preferably be inserted completely into the coffee capsule.
  • the requirements for the filter material or the material of the covering increases in such a way that the permeability of the (Coffee) pads can be controlled.
  • FIG. 19 b shows a capsule 157 of the type described in FIG. 18 (reference number 133).
  • 19 a illustrates a (emptied) capsule with a rounded or hemispherical coffee-receiving area, which can be a commercially available but emptied and (newer) coffee capsule, the filter membrane of which (at least in a circular cutter) is at least in one Area of the capsule opening was preferably completely removed in certain areas and particularly preferably.
  • 19 c illustrates a deformed coffee capsule (of the type of the coffee capsule 149, for example), which was deformed, for example, by means of a shaping tool (see, for example, explanations of FIG. 16). Due to the deformation of the base area of the capsule 165, it was achieved that the contact surface of the pad 163 to be inserted was shifted further upwards and closer to the coffee capsule opening.
  • 19 d illustrates an insert (molded part) 175, which also contributes to the displacement of the support surface in the direction of the capsule opening (and in the direction of the matrix of the coffee machine in the brewing state).
  • the insert 175 can be inserted into the capsule, for example on the bottom area.
  • the insert (molded part) can be equipped with spring elements, which preferably press an applied pad against the mattress or another element of the coffee machine during the brewing process.
  • 20 a and b each show a guide element and / or reinforcing element 177, which is given here by a (preferably aluminum) (circular) ring.
  • the right illustration shows a cross-section along a plane in which the central axis of the ring lies.
  • the thickness 181, 187 of the reinforcing element 177 (also half the difference between the diameters characterized by the reference numerals 183 and 185) can be at least 0.2 mm, preferably 0.4 mm, preferably 0.6 mm and particularly preferably 0.8 mm amount and / or at most 1.4 mm, preferably 1.2 mm, preferably 1.0 mm, preferably 0.8 mm and particularly preferably at most 0.6 mm.
  • a guide element and / or reinforcing element 177 used for inner centering is preferably a flat element, which preferably extends exclusively (essentially) in one plane and / or which has no projections and / or collars that extend from the main extension plane, in particular into one of these extend vertical direction.
  • the outer radius of the guide element and / or reinforcing element element 177 is preferably adapted to the capsule edge of the coffee capsule to be introduced. In particular, the outer radius follows an inner contour of the capsule rim.
  • the inner radius 179 of the guide and / or reinforcing element 177 is preferably (generally) chosen (sufficiently large) in such a way that (although sufficient stability of the ring is ensured, the hole size determined by the inner radius) is sufficiently large that the perforation area of the sealing element is surrounded by the guide element, in particular no reinforcement element should be arranged on the area to be perforated so as not to impede the perforation.
  • the guide and / or reinforcing element 177 is not a flat element, but preferably has a projection 188 and / or collar 188 (which is on the outermost region of the (ring-shaped) guide and / or Reinforcing element 177.
  • this projection and / or collar 188 which preferably extends completely (preferably along a circular line), projects from the main extension plane (which corresponds to the figure plane in the left representation) and in the right representation corresponds to a vertical plane perpendicular to the plane of the figure) and extends in a direction which preferably includes an angle of 90 ° to the main plane of extension, preferably the guide and / or reinforcing element 177 extends over the capsule edge (identified by the dashed line 181 in FIG. 20 b)) one to ve using the coffee capsule.
  • the guiding and / or reinforcing element 177 preferably follows or contacts (in the laid-on state) at least partially an outer contour of the capsule and in particular of the capsule rim 177.
  • FIG. 21 shows a schematic cross-sectional illustration of a sealing element (still without a retaining device or holding device or fixing device, which can preferably be provided in each case by a shaft retaining ring).
  • Reference number 191 denotes a film element (for example a sheet metal).
  • the sealing element can have two layers and have two film elements 191.
  • Reference numeral 189 denotes a guide and / or reinforcing element, which is designed here as a ring. This guide and / or reinforcing element can be arranged on an outer area and / or between the two film elements.
  • FIG. 22 illustrates a sealing element as from FIG. 21 (without retention device) in a state in which it is arranged on a hot beverage system, in particular its die with puncture pins 193.
  • the arrow 197 points to the (filter) membrane, which here consists, for example, of two film elements 191 (which are arranged, for example, with an adhesive via hotmelt), or has two film elements.
  • the reference number 192 denotes a guide and / or reinforcing element, which is designed here as a support ring.
  • the reference numeral 195 denotes a seal, which can also be arranged.
  • the reference symbol M illustrates a central axis of the sealing element.
  • At least one stiffening material can be arranged between (two) film elements of the sealing element and in particular glued in.
  • the material can be selected from a group that contains aluminum, stainless steel (foil), glass fiber fabric and combinations thereof.

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

Abstract

L'invention concerne un élément d'étanchéité (1) pour la rétention de substances pulvérulentes dans un récipient (10), en particulier des capsules de café (10), l'élément d'étanchéité (1) présentant en particulier une surface de base sensiblement circulaire et/ou une section sensiblement transversale circulaire et étant approprié et destiné à être disposé de manière permanente sur un système de boissons chaudes (22), l'élément d'étanchéité (1) présentant un système de retenue (26) qui est approprié et destiné à maintenir l'élément d'étanchéité sur une zone du système de boissons chaudes (22). Selon l'invention, l'élément d'étanchéité (1) comprend une première zone (50), qui est appropriée et adaptée à être perforée et/ou une zone perforée, qui comprend au moins une perforation et de préférence une multitude de perforations.
EP19790152.3A 2018-10-09 2019-10-09 Élément d'étanchéité pour récipients, en particulier capsules de café Pending EP3863479A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018124933.0A DE102018124933A1 (de) 2018-10-09 2018-10-09 Abdichtelement für Behältnisse, insbesondere Kaffeekapseln
PCT/EP2019/077344 WO2020074574A1 (fr) 2018-10-09 2019-10-09 Élément d'étanchéité pour récipients, en particulier capsules de café

Publications (1)

Publication Number Publication Date
EP3863479A1 true EP3863479A1 (fr) 2021-08-18

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EP19790152.3A Pending EP3863479A1 (fr) 2018-10-09 2019-10-09 Élément d'étanchéité pour récipients, en particulier capsules de café

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EP (1) EP3863479A1 (fr)
DE (1) DE102018124933A1 (fr)
WO (1) WO2020074574A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070019971A (ko) * 2003-12-23 2007-02-16 일렉트리컬 앤드 일렉트로닉스 리미티드 압축된 에스프레소 장치를 위한 필터 홀더의 캐비넷 디자인
DE102004004836A1 (de) * 2004-01-30 2005-08-18 BSH Bosch und Siemens Hausgeräte GmbH Kaffeemaschine und Halter zur Aufnahme eines Kaffeepads
US7730829B2 (en) * 2005-05-25 2010-06-08 Sunbeam Products, Inc. Beverage brewer
EP1949826B1 (fr) * 2007-01-24 2009-11-18 Wmf Württembergische Metallwarenfabrik Ag Machine dotée d'une chambre de macération automatique
WO2008130221A1 (fr) * 2007-04-24 2008-10-30 N.V. Nutricia Dispositif et procédé de préparation d'un produit liquide prêt à l'emploi
EP2682028B1 (fr) 2012-07-04 2019-03-13 Piero Kobler Insert pour une machine à café à dosettes

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DE102018124933A1 (de) 2020-04-09

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