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EP2345602B1 - Capsule for containing doses of soluble drinks - Google Patents

Capsule for containing doses of soluble drinks Download PDF

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Publication number
EP2345602B1
EP2345602B1 EP11157213A EP11157213A EP2345602B1 EP 2345602 B1 EP2345602 B1 EP 2345602B1 EP 11157213 A EP11157213 A EP 11157213A EP 11157213 A EP11157213 A EP 11157213A EP 2345602 B1 EP2345602 B1 EP 2345602B1
Authority
EP
European Patent Office
Prior art keywords
capsule
capsule according
diaphragm
chamber
opening
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.)
Active
Application number
EP11157213A
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German (de)
English (en)
French (fr)
Other versions
EP2345602A1 (en
Inventor
Massimiliano Pineschi
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.)
Illycaffe SpA
Original Assignee
Illycaffe SpA
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 Illycaffe SpA filed Critical Illycaffe SpA
Priority to EP12184685A priority Critical patent/EP2537779A1/en
Priority to EP12184682A priority patent/EP2537778A1/en
Publication of EP2345602A1 publication Critical patent/EP2345602A1/en
Application granted granted Critical
Publication of EP2345602B1 publication Critical patent/EP2345602B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8049—Details of the inlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/8043—Packages adapted to allow liquid to pass through the contents
    • B65D85/8061—Filters

Definitions

  • the invention refers to a capsule for containing doses of soluble drinks.
  • These machines comprise a solvent-liquid tank, generally containing water, which is heated and which, at command, is sent, by means of a pump and through a conveyor pipe, towards an area in which a number of capsules are placed containing soluble substances in the form of powder which, mixed with the water, become drinks.
  • the capsules are permeable and the mixing with the soluble substances occurs inside them.
  • the machines are equipped with a dispensing device underneath which an area is contemplated where the containers for the dispensed drinks are placed, such as, e.g., disposable cups.
  • a capsule for containing soluble drinks is known by patent WO 2005/092160 .
  • the capsule is composed of a lower cup portion forming a base with a dispensing mouth, and of an upper closing portion forming an inlet mouth for the solvent liquid. Between the lower portion and the upper portion a containment chamber is defined in which is placed a dose of a soluble substance in the form of powder.
  • the substance is contained between two transversal filtering elements placed in the containment chamber above and below the dose respectively and the lower filtering element forms a series of ribs in relief which are intended to penetrate in the dose of powder substance and which define a mandatory path for the substance when this is dissolved, so that the mix between the powdered component and the solvent liquid, meaning the water, is as complete as possible, before coming out of the dispensing mouth.
  • a further pod for containing soluble drinks is known by patent WO 2005/018395 .
  • a pod comprising a container body in which are defined two superimposed chambers.
  • the container body has an upper opening that is normally closed with a perforable diaphragm and an inner edge that delimits the two chambers and on which is fixed a second perforable diaphragm. Between the two diaphragms is contained a dose of soluble substance, while, below the second diaphragm, the second chamber is formed which is provided, at the lower extremity, with a dispensing mouth.
  • a filtering element is positioned having a series of tips turned towards the lower face of the second diaphragm.
  • transit holes are provided leading to a number of collection runs which, in turn, lead to a number of surrounding areas of the filtering element which have calibrated openings so as to only let the dissolved substance flow towards the lower chamber.
  • the water under pressure is introduced into the first upper chamber by means of an injector unit of a dispenser machine, which perforates the first diaphragm and dispenses water under pressure. Inside the first chamber, the pressure increases gradually and the second diaphragm is pushed onto the tips of the filtering element until this is perforated by these.
  • the soluble drink flows through the filtering element and is then collected inside the second lower chamber and, from this, is dispensed outside through the dispensing mouth, which is formed of a series of openings such as to control the speed of drink dispensing.
  • a further capsule for containing soluble substances is known by patent WO 2004/087829 A1 .
  • the capsule comprises a truncated-cone shaped body with an upper opening that is closed by means of a first sheet of plastic or aluminium material and which has a bottom wall with a section that re-enters the body.
  • a first containment chamber is defined containing a dose of soluble substance.
  • This bottom wall forms a lower edge that delimits an opening with a width substantially the same as that of the body and which is also closed with a second sheet of plastic or aluminium material.
  • the bottom wall has a plurality of through holes and has a raised part at the centre which, underneath, has cylindrical ribs resting on the second sheet.
  • a second chamber is defined underneath the first chamber.
  • the capsule is intended to be used in an automatic machine having an apparatus for injecting water under pressure.
  • This apparatus comprises an injector that perforates the first sheet, introduces water under pressure into the first chamber and then also perforates the second sheet.
  • the soluble substance dissolves inside the first chamber and collects in the second lower chamber, flowing through the holes obtained in the bottom wall and is therefore dispensed through the hole obtained in the second sheet.
  • the capsule has a container body defining, inside, a containment chamber for containing a dose of soluble substance.
  • the container body has an upper opening that is sealed with a sheet of perforable material and a bottom defining a central area delimited by a predefined fracture line.
  • the capsule is used in drink dispenser machines having an injection unit that injects water under pressure into the containment chamber, after perforating the sheet of perforable material, and a presser unit designed to push on the central area so this fractures and returns inside the chamber, leaving the central area open so that, through this, the drink can flow out.
  • the presser unit has a part in contact with the central area and which has a predetermined section, so that, it too penetrating inside the chamber to a small extent, a passage of desired and variable dimensions for the drink is defined between it and the edges of the opening defined by the removal of the central area.
  • a further capsule for containing soluble substances to make drinks is known by US patent 2006/0236871 .
  • the capsule comprises a container body for containing a dose of soluble substance.
  • the container body is shaped like a glass and has the upper extremity opened which is sealed with a sheet of perforable material and the lower extremity that can be completely closed or open in the centre, but sealed with a lower diaphragm of perforable material; between the upper extremity and the lower extremity is defined a containment chamber for containing a dose of soluble substance.
  • Both in the upper extremity area and in the lower extremity area two respective selector elements are provided each of which consists of a flat body having through holes and which in the respective central area forms a recess towards the containment chamber: the two recesses obtained in the flat body of the selector elements are coaxial with each other.
  • filtering elements made of fabric are arranged intended to protect the through openings and which are sealed along the respective perimeters on the corresponding flat bodies so that, between these, the soluble substance does not filter.
  • the capsule is made to be fitted in a seat of an automatic dispenser machine, which has an upper injector of water under pressure which, after perforating the sheet of perforable material that closes the upper extremity, positions inside the upper recess without tearing it and introduces water inside the containment chamber to dissolve the soluble substance through the openings obtained in the upper selector element.
  • the dispenser machine also has a lower hollow tip which, when the pressure inside the containment chamber increases and the lower extremity of the glass-shaped body bends outwards, is designed to perforate this lower extremity or, in a further version of the capsule, to perforate the lower diaphragm, positioning in the corresponding recess, without tearing it.
  • the soluble drink flows through the openings obtained in the lower selector element and is dispensed outwards through an axial cavity on the lower tip.
  • a further embodiment of a pod for containing soluble substances is known by the patent WO 92/07775 .
  • a pod is contemplated with a container body for containing a dose of a soluble substance.
  • the container body has a truncated-cone shape and is closed at the upper larger base by a convex wall outwards.
  • the bottom of the container body is shaped like the upper convex wall and protrudes inside a containment chamber defined in the container body.
  • the latter has, substantially in a median area, a porous transversal diaphragm which is fixed around the perimeter of the inner wall of the container body.
  • the upper convex part has, centrally, a weakened area ready to be perforated by a perforating part fitted to a corresponding drink dispenser machine and which consists of an axially hollow needle which has ports for dispensing water under pressure which are positioned so as to direct water jets onto the inner face of the upper wall that then spring off this towards all the areas of the containment chamber, so that the water can be distributed in a substantially uniform way in all these areas.
  • the dispenser machine besides the perforating part as previously mentioned, also has a receptacle inside which the capsule must be placed in order to be used.
  • This receptacle comprises a second container body that is open at the top and which has a substantially truncated-cone shape like that of the capsule, but slightly bigger so as to be able to contain it inside.
  • this second container body is housed in a collector device of the dispenser machine designed to collect the formed drink and convey this outside.
  • This second container body has a series of perforators turned towards the bottom of the container body, which has a lower thickness than the walls, so that it can be easily perforated.
  • the injector of the dispenser machine injects water under pressure inside the containment chamber, after perforating the upper wall, the pressure inside this chamber increases and the bottom wall bends outwards, entering into contact with the perforators of the second container body.
  • These perforators are axially hollow and, when they penetrate inside the containment chamber where, after the injection of water the liquid mix has formed that produces a drink, they allow this mix to flow and this is dispensed outside after passing through a filter located in the collector device.
  • the capsule comprises a container body inside which is defined a containment chamber of a dose of soluble substance.
  • This container body has a perforable extremity and an opposite base extremity that is open, but which is sealed with a sheet of perforable material after the capsule has been filled with the soluble substance.
  • the dispenser machine that uses this capsule has a supporting element for supporting the base extremity of the capsule, or, more specifically, of the sheet of perforable material that is normally kept bent outwards, by injecting a small volume of suitable gas.
  • the supporting element has a plurality of perforator elements designed to perforate the sheet when the drink is required to be dispensed.
  • the dispenser machine also comprises a bell-shaped body designed to couple up with the supporting element, superimposing itself on the capsule and which has, at the top of the inner wall, a perforator/injector linked with a dispensing channel of water under pressure and which is designed to inject water under pressure inside the containment chamber after perforating the perforable extremity.
  • the container body of the capsule also has a surrounding edge that can be seal locked between the supporting element and the bell-shaped body.
  • This is placed above the supporting element with the bell-shaped body in a position away from this to allow the positioning of the capsule.
  • a mechanism moves the bell-shaped body closer to the base element and the perforator/injector penetrates inside the containment chamber, injecting water under pressure into this.
  • the pressure gradually increases and the sheet of perforable material bends towards the perforator elements which perforate it.
  • drink collection channels are defined that convey the drink towards a dispensing mouth towards the outside.
  • a first drawback is that the known capsules have an extremely complicated structure and their fitting and filling is often difficult, as they are composed of several elements.
  • Another drawback is that, due to the structure of the known capsules, the distribution of water under pressure in the dose of soluble substance and, therefore mixing, lacks uniformity and, therefore, the quality of the dispensed drink is in some cases not acceptable due to the presence of undissolved residues of powdered substance.
  • a further drawback is that, due to this lack of uniform distribution of the water inside the dose of soluble substance, and of the consequent undissolved residues that have formed, the concentration of the substance in the drink is reduced and, therefore, the flavour is negatively altered.
  • a further drawback of the state of the art is that in many cases dispenser machines are needed that have a double device for perforating the capsules at both extremities, meaning to inject water under pressure and to allow the exit and the dispensing of the formed drinks.
  • One object of the invention is to upgrade the state of the art.
  • Another object of the invention is to make a capsule for containing doses of soluble drinks that has a simplified structure, such as to allow the perfect distribution of solvent liquid, in this specific case, water, in the dose of soluble substance, so as to obtain a complete and uniform mix.
  • Another object of the invention is to make a capsule for containing doses of soluble drinks that is composed of the least possible number of component pieces, so as to be cheaper to manufacture compared to known capsules.
  • a capsule for containing doses of soluble drinks as defined in the appended claims.
  • a capsule 1 for containing a dose 2 of soluble substance intended for the production of a soluble drink is composed of a container body 3, normally made of preformed plastic material and with a truncated-cone shape, which has, in what is considered an upper area, a larger base in which is obtained an opening 4 for introducing both the dose 2 into the container body 3, and a solvent liquid dispensed by dispenser means, normally made up of a rigid or substantially rigid pipe 5.
  • the container body 3 has a bottom 6, representing the smaller base of the container body 3, in which can be obtained, as will be said later on, an exit port 7 through which is expelled, normally by gravity, a dissolved drink, obtained inside the capsule 1, by dissolving the dose 2 with a predetermined volume of solvent liquid, in this specific case hot water under pressure, supplied by a pumping unit of an automatic dispenser machine and introduced into the container body 3 by means of a dispenser pipe 5.
  • a predetermined volume of solvent liquid in this specific case hot water under pressure
  • an inner cavity is defined, indicated by the reference 8, which is closed at the opening 4 by means of a sheet 9 of perforable material, normally Aluminium, but which could also be a sheet of polymer or paper material.
  • a first elastic diaphragm 10 is positioned which centrally forms a concave seat 11 that extends towards the inside of the inner cavity 8 and which has the closed extremity turned towards the bottom 6.
  • the first elastic diaphragm 10 has an annular surface surrounding the concave seat 11 which is crossed by a plurality of holes 12 that place in communication a solution chamber 13, defined between the first elastic diaphragm 10 and the bottom wall 6 and in which is placed the dose 2, with an adjacent chamber 14 for distributing the solvent liquid defined between the first elastic diaphragm 10 and the sheet 9 when this closes the opening 4.
  • the first elastic diaphragm 10 has its outer edge 15 resting on a supporting profile 16 obtained on the perimeter of the opening 4 and which keeps it in correct position, i.e., centred inside the solution chamber 13, and is designed to bend in axial direction towards the bottom 6.
  • a second permeable diaphragm 17 between the first diaphragm 10 and the bottom 6 and which can also be flexible in axial direction: the central axes of the first diaphragm 10 and of the second diaphragm 17 are substantially common to both and coincide with each other.
  • the second diaphragm 17 defines, between it and the bottom 6, a further chamber 21. for collecting the dissolved drinks, before these are expelled outside and also forms a neck 18 that is centred and extends towards the concave seat 11.
  • the neck 18 has a diameter slightly larger than the outer diameter of the seat 11 and is designed to receive the latter inside it when the first diaphragm 10 bends towards the bottom 6.
  • the concave seat 11 On its outer wall, the concave seat 11 forms a collar 19 in relief towards the outside that is meant to rest on the mouth of the neck 18, so as to transmit an axial flexion of the first diaphragm 10 to the second diaphragm 17.
  • the latter in a first version of the capsule 1, forms, on the opposite side to the neck 18, a perforator 20 intended to perforate the bottom 6 when the second diaphragm 17 bends towards the bottom 6, pushed in turn by the flexion of the first diaphragm 10.
  • This perforator 20, which in this version of the capsule 1 is obtained in a single piece with the second diaphragm 17, comprises, as can be seen in the Figures 1 and 2 , and in the Figure 8 in enlarged scale, a substantially cylindrical body 23 which axially has a cavity 22 inside which is arranged, or obtained, a second pipe element 24 coaxial with the body 23 and which has a smaller diameter than this, so as to define between them an annular chamber 25.
  • the second pipe element 24 is connected by an inner extremity to the body 23 by means of an annular lip 26 so as to be, as said, a single piece with this and has an axial cavity 27 that has one open extremity turned outwards while the opposite extremity runs into a small chamber 28 obtained in a coupling area of the perforator 20 to the neck 18.
  • the small chamber 28 has a series of openings 29 that run into the further collection chamber 21 and which place the latter in communication with the outside when the second diaphragm 17 is bent towards the bottom 6 and the perforator element 20 has perforated it, as can be seen in the Figure 2 .
  • the edge 30 of the outward turned extremity of the perforator 20 is sharp and has an oblique pattern to create a sort of slanting tip that favours perforation of the bottom 6.
  • a port 31 is also obtained that places in communication the axial cavity 27 of the pipe element 24 and the annular chamber 25.
  • the second diaphragm 17 also has a surface in which are obtained transit openings 32 to allow the dissolved drinks in the solution chamber 13 to flow into the collection chamber 21.
  • the rigid pipe 5 which is part of a machine for dispensing soluble drinks and which has the dual function of perforating the sheet 9 and dispensing hot water under pressure, has expulsion holes 33 that are obtained in the side wall of the rigid pipe 5, at a pre-set distance from the perforating extremity, indicated by 134 and closed; by the expression pre-set distance is meant a distance that allows the water under pressure to be dispensed inside the solution chamber 13: consequently, when the rigid pipe 5 has fully penetrated inside the concave seat 11, the expulsion holes 33 are positioned beyond the perforated sheet 9, as can again be seen in the Figure 2 .
  • the second diaphragm 17 When the second diaphragm 17 is fully bent, it rests on the bottom 6; it must be pointed out that the outer edge of the second diaphragm 17 is shaped according to a convex profile 34 that couples with a concave counter-profile 35 obtained in the container body 3 where the side wall of this, indicated by 36, couples with the bottom 6. It must also be said that on the second diaphragm element 17 a filter 37 can be fitted to filter the dissolved drinks that flow towards the collection chamber 21, in such a way that no undissolved drink particles reach this.
  • the first diaphragm 10 still has the collar in relief 19 obtained outside the concave seat 11 that is in contact with the neck 18, while the second diaphragm, indicated by 117, forms a central seat 38, that can be cylindrical or slightly conical, in which is located, in an axially sliding way, the perforator, indicated in this case by 120, which, in the case of the central seat 38 being slightly conical, engages with this during sliding.
  • the concave seat 11 still rests directly on the neck 18, but in this case, the first diaphragm 10 does not bend towards the bottom 6.
  • the dispenser pipe 5, in crossing the concave seat 11 directly pushes the perforator 120 towards the bottom 6 so as to perforate it, as can be seen in Figure 6 .
  • the second diaphragm 117 may also not be flexible; nevertheless, as in the previous version, it has a multiplicity of openings 132 which cross it to allow the dissolved drinks to flow from the solution chamber 13 to the collection chamber 21, before being expelled towards the outside through a series of openings 129, that are obtained transversally in the perforator 120, and an axial cavity 127 of this, which, therefore, has a structure substantially the same as that of the perforator 20 described previously, but which is not made in a single piece with the second diaphragm 117, but is guided sliding inside the neck 18.
  • the use is also contemplated of a filter 37 resting on the surface of the second diaphragm 117, to prevent the transit of undissolved drink particles into the collection chamber 21.
  • This third version also has a container body 403 comprising a side wall 436 and a bottom 406 to which this is coupled.
  • the side wall 436 defines, on the opposite side to the bottom 406, an opening 404 for the introduction of a dose 402 of a powdered drink contained in a mixing chamber 413 defined inside the container body 403.
  • the opening 404 is also closable with a sheet 409 perforable by an extremity of a dispenser pipe 405 fitted on a soluble drink dispenser machine of known type and able to move between an idle position distant from the capsule 1 to a dispensing position of hot water under pressure in which after perforating the sheet 409, it penetrates the capsule 1 and dispenses the hot water under pressure required to dissolve the dose 402 of the powdered drink.
  • the container body 403 forms a concave seat 411 obtained eccentrically with respect to the mixing chamber 413 and which is intended, as in the previously described versions, to receive inside it the perforating extremity of the dispenser pipe 405, after this has perforated the sheet 409. Between this and the concave seat 411 a passage 414 remains defined through which the dispensed water reaches the inside of the mixing chamber 413 which has an annular pattern.
  • the sheet 409 which, in this case is preformed, has a portion 410 that is folded to form a bend that extends inside the mixing chamber 413, so as to form inside this with the wall 436 a mandatory path for the dispensed water, which develops by penetrating inside the dose 402.
  • This portion 453 extends towards the sheet 409 for a pre-determined section so as to form, with this, a further passage 432 for the dissolved drink which is conveyed into a collection chamber 421 defined centrally concentric to the mixing chamber 413.
  • a perforator 420 Inside the collection chamber 421 is arranged, in a sliding and guided way, a perforator 420 which axially features a duct 427 which is open at both extremities.
  • This perforator 420 is intended to perforate the bottom 406 by means of an extremity 430 turned towards this dispensing a dissolved drink through the duct 427.
  • the bottom 406 can contemplate, as can be seen in the Figures 8 and 9 , an opening 407 already defined and kept normally closed with a further perforable sheet 460 fitted in an adherent way on the outer face of the bottom 406.
  • annular concave area 463 remains defined intended to receive inside it a supporting collar indicated by 464 in the Figure 14 and equipping the housing seat of the capsule 1 of a soluble drink dispensing machine.
  • a filter 437 for filtering the dissolved drinks and preventing undissolved particles of a dose 402 from flowing into the duct 427.
  • the capsule 1. has a container body 503 that comprises an outer wall 536, a bottom 506 and an opening 504, defined on the opposite side of the bottom 506, for the introduction of a dose 502 of a powdered drink, which is contained in a solution chamber 513 in turn defined inside the container body 503.
  • the opening 504 is seal closable by means of a perforable sheet 509, made, e.g., of Aluminium, which is fastened in an adherent way to a surround of the opening 504, e.g., by means of an adhesive material.
  • a perforable sheet 509 made, e.g., of Aluminium, which is fastened in an adherent way to a surround of the opening 504, e.g., by means of an adhesive material.
  • the opening 504 forms an inner supporting profile 516 on which rests an outer edge 515 of a first diaphragm 510, kept in position centred inside the solution chamber 513.
  • a distribution chamber 514 adjacent to the solution chamber 513 and placed in communication with this by means of a plurality of holes 512 obtained in the diaphragm 510.
  • the latter form a concave seat 511 in which is meant to be received an extremity 530 of a dispenser pipe 505 equipping a soluble drink dispenser machine and designed to dispense hot water under pressure after perforating the sheet 509 and having penetrated inside the concave seat 511.
  • the solution chamber is annular and centrally the bottom 506 has a raised portion 553 that develops inside the solution chamber 513, acting as a central support for the concave seat 511 of the first diaphragm 510.
  • the bottom 506 of the container body 503 is shaped so as to form a supporting edge 535 for a second annular diaphragm 517 which, with the bottom 506, forms a collection chamber 521, inside which a dissolved drink is collected before being dispensed.
  • the second diaphragm 517 is crossed by a plurality of holes (not visible)which place the solution chamber 513 in communication with the collection chamber 521.
  • the shape and dimensions of the walls 533 and 534 can be any and defined by specific requirements.
  • the bottom 506 has an opening 507 already defined and protectable by fitting to an outer face of the bottom 506 a further adhesive sheet 560 that forms a flexible hose 561 axially hollow and normally bent towards the outer face of the bottom 506 so as to seal-close the opening 507 when no dissolved drink has to be dispensed.
  • this again comprises a container body 703 which is composed of a bottom 706 and a side wall 736 which defines, within, an inner cavity 708 in which a solution chamber 713 is obtained.
  • the inner cavity 708 defines an opening 704 opposite the bottom 706 that allows introducing a dose of powdered soluble drink into the solution chamber 713.
  • the container body 703 also shapes an inlet 737 shaped like a tray 714, arranged eccentrically with respect to the solution chamber 713, but connected to this through a passage 732.
  • the inlet 737 is meant to receive inside it the extremity of a dispenser pipe 705 normally fitted on a soluble drink dispenser machine and which, as already previously said, is moving between an idle position and a dispenser position in which introduction is made into the inlet 737.
  • the opening 704 and the inlet 737 are both closable by means of a shaped and thin lid 709, which is made of perforable material, in such a way as to allow the dispenser pipe 705 to cross it to reach the tray-shaped inlet 714.
  • the lid 709 centrally shapes a hollow seat 711 and a folded annular portion 710 that extends inside the solution chamber 713 , penetrating the dose of soluble powdered drink and forming with the wall 736 a forced path for the hot water under pressure dispensed from the dispenser pipe 705, so that this reaches all the dose areas, making the solution of this substantially complete.
  • the bottom 706 has a portion 753 that extends centred towards the inside of the solution chamber 713, at the hollow seat 711.
  • the latter is ready to receive inside it a pusher member 770 that is connected to the dispenser pipe 705 which is mobile with this, as schematically shown with the connection bar 771.
  • This pusher member 770 is meant to press on the blind bottom of the hollow seat 711, indicated by 772, causing the lid 709 to bend in the direction of the bottom 706 when the dispenser pipe 705 penetrates the tray 714.
  • the portion 753 defines inside it a substantially cylindrical seat 754 that is centred in the solution chamber 713 and which has a mouth 755 and an opposite bottom base 756 in which is defined an opening 757, normally closed by a sheet 758 of perforable material.
  • a filter 759 with predetermined porosity to prevent undissolved particles of a drink dose from being dispensed outside.
  • a perforator 720 having an extremity turned towards the filter 759 and an opposite extremity turned towards the opening 757 and designed to perforate the sheet 758 when, in a dissolved-drink dispensing condition, the perforator 720 is pushed by the blind bottom 772 of the hollow seat 711, in turn pushed by the pusher member 770.
  • the perforator 720 axially has a transit channel 721 which, when the sheet 758 is perforated, places the solution chamber 713 in communication with the outside, through the filter 759 that protects the inlet of the hollow seat 711.
  • the capsule 1 is positioned inside a specifically provided seat in a conventional soluble drink dispenser machine, which has a rigid pipe 5 for dispensing hot water under pressure that can be moved between an idle position away from the seat and a dispensing position close to the seat, as will be indicated below.
  • the capsule 1 is prepared by inserting inside it, precisely inside the inner cavity 8 through the opening 4, a dose of a soluble powdered drink, in this specific case, by way of example, coffee, but which could be any other soluble substance, such as, e.g., tea, camomile, herbal teas.
  • a soluble powdered drink in this specific case, by way of example, coffee, but which could be any other soluble substance, such as, e.g., tea, camomile, herbal teas.
  • the opening 4 is then sealed by means of a sheet 9, preferably made of aluminium and perforable by means of the rigid pipe 5.
  • the rigid pipe 5 which normally lies in the distanced position, moves in the direction of the capsule 1 perforating the sheet 9 and the dispensing of hot water under pressure begins which, in this case is the solvent liquid.
  • the dispensed water spreads over the first elastic diaphragm 10, between this and the residual part of the sheet 9, meaning in the distribution chamber 14, and penetrates into the solution chamber 13 through the holes 12 which are distributed in such a way that the water is able to reach all the areas of the solution chamber 13 and therefore dissolve, in a complete way, all the dose of powdered drink contained in this.
  • the dissolved coffee gradually collects in the collection chamber 21, passing through the transit openings 32.
  • the rigid pipe 5 continues to move, causing the first diaphragm 10 to deform elastically in the direction of the bottom 6: this way, the first diaphragm 10 gradually compresses the dose of coffee contained in the solution chamber 13. Because the first diaphragm 10 is placed in contact with the second diaphragm 17 by means of the collar 19 which is resting on the neck 18 obtained in this, the second diaphragm also bends in the direction of the bottom 6 of the capsule 1. The movement of the second diaphragm 17 causes the perforation of the bottom 6, as can be seen in the Figure 2 , by means of the perforator 20 which, in this first version of the capsule 1, is obtained in just one piece with the second diaphragm 17.
  • the dissolved coffee is enriched with air during dispensing and forms a pleasant cream on the surface of the dispensed coffee that deposits in a container underneath the edge 30 of the dispenser 20.
  • the filter 37 arranged in the surface of the first diaphragm 10 protects the holes 12 from the transit of undissolved particles of coffee, and prevents these first of all depositing in the collection chamber 21 and then being dispensed towards the outside, falling into the container from which the consumer drinks.
  • the outer edge of the second diaphragm 17 has a profile 34 shaped so as to seal-couple with the counter-profile 35 of the container body 3 of the capsule 1, the side wall 36 of which connects with the bottom 6, so as to prevent the infiltration in this area too of undissolved particles between the solution chamber 13 and the collection chamber 21.
  • the exit port 7 can be shaped like an opening obtained in the bottom 6 and subsequently closed with a further perforable sheet, or it can be obtained in the bottom 6 as a pre-fracturing contour obtained in the latter.
  • the perforator 120 is no longer obtained in just one piece with the second diaphragm l17, but is separate from this and arranged in a sliding way, guided in a central seat 38, cylindrical or slightly conical, that tightens towards the bottom 6, obtained in the latter and pushed by the bottom of the hollow seat 11 when the dispenser pipe 5 penetrates in this, pushing it towards the bottom 106 while dispensing hot water under pressure.
  • this second version of the capsule 1 as well, the dispensed hot water is first of all collected in the distribution chamber 14, from where it passes into the solution chamber 13 through the holes 12 obtained in the first diaphragm 10, the outer perimeter edge 15 of which rests on the supporting profile 16 of the container body 3. Nevertheless, in actual fact, the operation of this second version of the capsule 1 is substantially similar to that of the previous first version.
  • the dissolved coffee gradually flows into the collection chamber 21 through the multiplicity of openings 132 obtained in the second diaphragm 117 and protected by a filter 37 that prevents any undissolved coffee particles from transiting through the collection chamber 21.
  • the dispenser pipe 5 presses directly on the perforator 120 which, pushed in the direction of the bottom 6, perforates it slipping towards the outside.
  • the movement of the perforator 120 places the collection chamber 21 in communication with the outside, permitting the dispensing of the dissolved coffee through the series of openings 129 and the axial cavity 127.
  • the flexion is not contemplated of the first diaphragm 10 and of the second diaphragm 117, which in this case too rests with the convex profile 34 of the outer edge on the concave counter-profile 35 obtained in the container body 3 in the connection point between the bottom 6 and the side wall 36.
  • the perforator pipe 5 perforates the sheet 409 which in this case is shaped and not completely flat, which closes the container body 403 and which can be shaped like a thin perforable lid made by pressing a laminar sheet of food-safe plastic material.
  • the dispenser pipe 5 penetrates inside the concave seat 411 which, in this version of the capsule 1, is eccentrically obtained with respect to the solution chamber 413 and dispenses water under pressure that follows the path indicated by the arrows "F", forced by the bent portion 410 which penetrates inside the dose 2 of coffee contained in the solution chamber 413.
  • the path is deliberately winding and is also formed of the portion 453 raised with respect to the bottom 406; this way, the hot water under pressure is distributed in a substantially uniform way inside the solution chamber 413 which, in this fourth version of the capsule 1, has a generally annular shape.
  • the raised portion 453 defines the collection chamber 421 in which flows the perforator 420 which is axially covered by the duct 427 the inlet of which, as can be seen in the Figure 11 or 12 , is protected by a filter 437 which has predetermined porosity so as to create a difference in pressure between the solution chamber 413 and the collection chamber 421 which increases along with the increase in the water dispensed inside the solution chamber 413.
  • the force that pushes on the filter 437 causes the perforator 420 to move in the direction of the bottom 406 until this is perforated, placing the collection chamber 421 in communication with the outside and allowing the dispensing of the dissolved coffee.
  • a supporting collar 464 be accommodated specially provided in the automatic dispenser machine to support the capsule 1 in the correct position during the perforation of the sheet 409 and the dispensing of the coffee.
  • the dispenser pipe 505 perforates the sheet 509, penetrating into the concave seat 511 defined in the first diaphragm 510 and dispensing hot water under pressure.
  • This dispensed hot water is collected in the distribution chamber 514 and from here it is distributed into the solution chamber 513 through the plurality of holes 512 obtained in the first diaphragm 510.
  • the solution chamber 513 is of annular shape and the bottom 506 has, centrally, a raised portion 553 that also acts as a stop element for the dispenser pipe 520.
  • the dissolved coffee is collected in the collection chamber 521 after passing through the plurality of holes obtained in the second diaphragm 517 and is forced to complete a winding path between the interstices defined between the walls 533 and 534: this path improves the mixing of the water and the dose of coffee.
  • the flexible hose 561 of the sheet 560 detaches from this and bends towards the outside, opening the opening 507 and placing the collection chamber 521 in communication with the outside and allowing the dispensing of dissolved coffee through the flexible hose 561 which, for this reason, is axially hollow.
  • the lid 709 is perforated by a dispenser pipe 705 which penetrates into the inlet 736 arranged eccentrically and which is moving together with a pusher member 770 to which it is mechanically linked, e.g., in a schematic way, by means of the connection bar 771.
  • the latter is introduced at the same time into the hollow seat 711 causing the lid 709 to bend towards the bottom 706 and the perforator 720 to slide inside the seat 754 until it perforates the bottom 796, placing the transit channel 721 in communication with the outside.
  • the hot water under pressure dispensed by the dispenser pipe 705 follows the path defined in the solution chamber 713 by the folded portion 710 and by the portion 753 which lifts off the bottom 706, dissolving all the dose of coffee contained in the solution chamber 713.
  • the dissolved coffee flows through the filter 759 protecting the inlet of the seat 754 and is dispensed outside through the transit channel 721.
  • the perforator 720 perforates the sheet 758 which hermetically seals the opening 757 in the bottom 706.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Making Beverages (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
EP11157213A 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks Active EP2345602B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12184685A EP2537779A1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks
EP12184682A EP2537778A1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000143A ITMO20070143A1 (it) 2007-04-27 2007-04-27 Capsula per contenere dosi di bevande solubili
EP08737493A EP2152609B1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP08737493.0 Division 2008-04-21

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP12184682.8 Division-Into 2012-09-17
EP12184685.1 Division-Into 2012-09-17

Publications (2)

Publication Number Publication Date
EP2345602A1 EP2345602A1 (en) 2011-07-20
EP2345602B1 true EP2345602B1 (en) 2012-11-14

Family

ID=39734878

Family Applications (5)

Application Number Title Priority Date Filing Date
EP11157213A Active EP2345602B1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks
EP08737493A Not-in-force EP2152609B1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks
EP11157215A Not-in-force EP2343247B1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks
EP12184685A Withdrawn EP2537779A1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks
EP12184682A Withdrawn EP2537778A1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks

Family Applications After (4)

Application Number Title Priority Date Filing Date
EP08737493A Not-in-force EP2152609B1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks
EP11157215A Not-in-force EP2343247B1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks
EP12184685A Withdrawn EP2537779A1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks
EP12184682A Withdrawn EP2537778A1 (en) 2007-04-27 2008-04-21 Capsule for containing doses of soluble drinks

Country Status (7)

Country Link
EP (5) EP2345602B1 (es)
AT (1) ATE501065T1 (es)
DE (1) DE602008005447D1 (es)
ES (3) ES2394932T3 (es)
HK (2) HK1157713A1 (es)
IT (1) ITMO20070143A1 (es)
WO (1) WO2008132571A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
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US9877495B2 (en) 2015-01-09 2018-01-30 Starbucks Corporation Method of making a sweetened soluble beverage product

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US10820607B2 (en) 2015-01-09 2020-11-03 Starbucks Corporation Soluble beverages with enhanced flavors and aromas

Also Published As

Publication number Publication date
ES2394932T3 (es) 2013-02-06
EP2343247A1 (en) 2011-07-13
WO2008132571A1 (en) 2008-11-06
ATE501065T1 (de) 2011-03-15
EP2152609A1 (en) 2010-02-17
ES2359665T3 (es) 2011-05-25
EP2345602A1 (en) 2011-07-20
EP2343247B1 (en) 2012-12-05
ES2396214T3 (es) 2013-02-20
EP2537779A1 (en) 2012-12-26
HK1157714A1 (en) 2012-07-06
EP2537778A1 (en) 2012-12-26
DE602008005447D1 (de) 2011-04-21
HK1157713A1 (en) 2012-07-06
EP2152609B1 (en) 2011-03-09
ITMO20070143A1 (it) 2008-10-28

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