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NL1041471B1 - Method for producing a capsule filled with coffee, coffee machine and combination of coffee machine and capsule. - Google Patents

Method for producing a capsule filled with coffee, coffee machine and combination of coffee machine and capsule. Download PDF

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Publication number
NL1041471B1
NL1041471B1 NL1041471A NL1041471A NL1041471B1 NL 1041471 B1 NL1041471 B1 NL 1041471B1 NL 1041471 A NL1041471 A NL 1041471A NL 1041471 A NL1041471 A NL 1041471A NL 1041471 B1 NL1041471 B1 NL 1041471B1
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NL
Netherlands
Prior art keywords
capsule
coffee
water
perforation
coffee machine
Prior art date
Application number
NL1041471A
Other languages
Dutch (nl)
Inventor
Arie Andries Pluut Roland
Cornells Van Der Wolk Jacobus
Original Assignee
Orange Ocean B V
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 Orange Ocean B V filed Critical Orange Ocean B V
Priority to NL1041471A priority Critical patent/NL1041471B1/en
Application granted granted Critical
Publication of NL1041471B1 publication Critical patent/NL1041471B1/en

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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
    • A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3604—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means with a mechanism arranged to move the brewing chamber between loading, infusing and ejecting stations
    • A47J31/3623—Cartridges being employed
    • A47J31/3628—Perforating means therefor
    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/04—Methods of roasting coffee
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/08—Methods of grinding coffee
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/10—Treating roasted coffee; Preparations produced thereby

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

The invention relates to a method for producing a capsule filled with coffee, comprising the steps of collecting green coffee beans, roasting the beans, subjecting the beans to air, grinding the beans, degassing the beans and packaging the ground coffee in a hermetically sealed capsule with a bottom wall configured to move towards the outside of the capsule to be perforated by perforation spikes of a second perforating plate when a certain water pressure is attained in the capsule, and with a top wall configured to be perforated by perforation spikes of a first perforating plate. The invention further relates to a coffee machine suitable to handle capsules produced with said method and in combination the coffee machine and the produced capsule.

Description

782-00078PANL0
Title: Method for producing a capsule filled with coffee, coffee machine and combination of coffee machine and capsule
The invention relates to a method for producing a capsule filled with coffee, a coffee machine suitable to handle such a capsule and the combination thereof.
Coffee machines making use of hermetically sealed capsules with ground coffee are well-known. However, the user experience with respect to quality of the coffee and the use of the coffee machine are key to the success of newly developed products within the vast amount of competitors and alternative products.
It is therefore an object of the invention to provide an improved combination of a coffee machine and a capsule with coffee that will appeal to the consumer.
To achieve this object, the invention provides in combination a capsule filled with coffee and a coffee machine suitable for handling said capsule, wherein the capsule with coffee is produced with a method comprising the following steps: a. collecting an amount of green coffee beans; b. roasting the collection of green coffee beans by heating the coffee beans for ten to fourteen minutes to an end temperature between 210 - 218 degrees Celsius; c. subjecting the roasted coffee beans to air for 10-14 days; d. grinding the roasted coffee beans to a grinding size of 400 micrometer plus or minus 20 micrometer; e. degassing the ground coffee for 12-16 hours; f. packaging the degassed ground coffee in a hermetically sealed capsule, and wherein the coffee machine comprises: - a water container for storing water; - a capsule system with a system head and a capsule holder for receiving the capsule filled with coffee; - a heating element for heating water; - a pump for forcing water through the capsule; and - a control unit for controlling operation of the heating element and the pump, wherein the capsule holder is configured to receive a capsule in a vertical orientation, wherein the system head comprises a first perforating plate with perforation spikes for perforating a top wall of the capsule, each perforation spike comprising a passageway for introducing water into the capsule via the passageways in the perforation spikes, which passageway blocks the passage of undissolved ground coffee, and wherein the capsule holder comprises a second perforating plate with perforation spikes for perforating a bottom wall of the capsule, each perforation spike comprising a passageway for allowing water to leave the capsule via the passageways in the perforation spikes, which passageway blocks the passage of undissolved ground coffee
The vertical orientation of the capsule allows to build a more compact coffee machine, wherein the capsule can be positioned in the coffee machine above the cup into which the coffee is to be dispensed.
The vertical orientation of the capsule also has the advantage that the distribution of water through the capsule is most efficient and thus the ground coffee is subjected to water in an efficient way which has a positive effect on the resulting beverage.
The first and second perforating plates allow water to enter and leave the capsule while the undissolved ground coffee remains in the capsule independent of the pressure, i.e. overpressure or underpressure, applied to the capsule.
In an embodiment, the capsule comprises a bottom wall configured to move towards the outside of the capsule to be perforated by perforation spikes of the second perforating plate when a certain water pressure is attained in the capsule, and with a top wall configured to be perforated by perforation spikes of the first perforating plate
Preferably, the passageways in the perforation spikes of the first and/or second perforating plate block the passage of particles having a particle size larger than 370 micrometer, preferably larger than 350 micrometer.
Preferably, the beans are heated for twelve minutes during roasting.
Preferably, the end temperature during roasting is 214 degrees Celsius.
Preferably, the roasted coffee beans are roasted to a grinding size of 400 micrometer plus or minus 10 micrometer.
Preferably, the ground coffee is degassed for 14 hours.
Preferably, the green coffee beans are of single origin.
In an embodiment, the ground coffee is filtered to remove particles below a grinding size of 350 micrometer, preferably below a grinding size of 370 micrometer, more preferably below a grinding size of 380 micrometer and most preferably below a grinding size of 390 micrometer. This ensures that no ground coffee can escape from the capsule as particles having a size larger than respectively 350 and 370 micrometer are not able to pass the passageways in the perforation spikes.
In an embodiment, the capsule is filled with 5.8 to 6.8 grams of coffee, preferably 6.5 grams of coffee. This is the preferred amount of coffee allowing to prepare a small beverage in combination with a corresponding flow time for said small beverage, and a large beverage in combination with a corresponding flow time for said large beverage.
In an embodiment, the perforating plates of the coffee machine are made of plastic.
In an embodiment, the coffee machine further comprises a non-return valve in a fluid line between the pump and the capsule system, which is closable upon retracting the pump, wherein the control unit, pump and non-return valve are configured such that after forcing water through the capsule, the pump is reversed and the resulting underpressure closing the non-return valve is also temporarily applied to the capsule via the first perforating plate.
An advantage of this embodiment is that it allows to remove any droplets remaining at an orifice of the capsule holder at the end of the preparation phase as the underpressure will suck the droplet into the capsule. The first perforating plate will then prevent any undissolved coffee and preferably also any water from leaving the capsule while applying the underpressure. It is to be noted that the underpressure is only applied temporarily until the non-return valve is completely closed to remove the droplets. As a result, no drip tray may be necessary which is convenient for the user.
In an embodiment, the capsule system is configured such that upon closing of the capsule system, the first perforating plate in the system head is moved downwards to perforate the top wall of a capsule in the capsule holder.
In an embodiment, the spikes of the perforating plates have a conical or frusto-conical shape making it easy for the perforation spikes to penetrate through the walls of the capsule.
In an embodiment, the pump is configured to provide a pressure of up till about 20 bars.
In an embodiment, the coffee machine is configured to provide 4 to 7 l/h of water to the capsule in case of a capsule comprising 5.8 to 6.8, preferably 6.5 grams of coffee for a small beverage.
In an embodiment, the coffee machine is configured to provide 5,5 to 8,5 l/h to the capsule in case of a capsule comprising 5.8 to 6.8, preferably 6.5 grams of coffee for a large beverage.
The invention also relates to a method for producing a capsule filled with coffee, comprising the following steps: a. collecting an amount of green coffee beans; b. roasting the collection of green coffee beans by heating the coffee beans for ten to fourteen minutes to an end temperature between 210-218 degrees Celsius; c. subjecting the roasted coffee beans to air for 10-14 days; d. grinding the roasted coffee beans to a grinding size of 400 micrometer plus or minus 20 micrometer; e. degassing the ground coffee for 12-16 hours; f. packaging the degassed ground coffee in a hermetically sealed capsule.
Embodiments and alternatives described above in relation to the combination may also apply to this method where applicable.
The invention also relates to a coffee machine suitable for handling capsule produced with a method according to the invention, comprising: a water container for storing water; - a capsule system with a system head and a capsule holder for receiving a capsule filled with coffee; - a heating element for heating water; - a pump for forcing water from the water container through the capsule; and - a control unit for controlling operation of the heating element and the pump, wherein the capsule holder is configured to receive a capsule in a vertical orientation, wherein the system head comprises a first perforating plate with perforation spikes for perforating a top wall of the capsule, each perforation spike comprising a passageway for introducing water into the capsule via the passageways in the perforation spikes, which passageway blocks the passage of undissolved ground coffee, and wherein the capsule holder further comprises a second perforating plate with perforation spikes for perforating a bottom wall of the capsule, each perforation spike comprising a passageway for allowing water to leave the capsule via the passageways in the perforation spikes, which passageway blocks the passage of undissolved ground coffee.
Embodiments described above relation to the combination may also apply to this coffee machine, where applicable.
The invention will now be described in a non-limiting way by reference to the drawings in which like parts are indicated by like reference symbols, and in which:
Fig. 1 schematically depicts a coffee machine according to an embodiment of the invention;
Fig. 2 schematically depicts a capsule produced with a method according to an embodiment of the invention in the capsule system of the coffee machine of Fig. 1; and
Fig. 3 depicts a flow diagram for producing a capsule filled with coffee according to an embodiment of the invention.
Fig. 1 schematically depicts a coffee machine CM according to an embodiment of the invention. The coffee machine CM comprises a water container WC for storing water. Preferably, the water container WC is separable from the rest of the machine so that the water container can be easily filled at a tap point.
The water container WC is connected to a pump P via a first fluid line FFL. Arranged in the first fluid line FFL is a first non-return valve FV only allowing water to flow from the water container WC to the pump P and not vice versa. Further arranged in the first fluid line is a wheel W, which rotates upon flow of water in the first fluid line. Based on a difference in behavior of the wheel depending on the water level in the water container, the water level in the water container can be monitored and a signal can be given to the user to refill the water container.
The pump P in this embodiment comprises a piston PI which is moveably arranged inside a cylindrical housing CH. Movement of the piston PI is caused by an actuator AC. In Fig. 1, the piston is shown in an intermediate position, but can be moved between a retracted position shown in dashed lines and indicated by reference symbol RP, and an extended position shown in dashed lines and indicated by reference symbol EP.
The pump P is further connected to a capsule system via a second fluid line SFL, wherein the capsule system comprises a system head SH and a capsule holder CHO for receiving a capsule (not shown). The second fluid line SFL comprises a second non-return valve SV preventing the pump from drawing in air via the capsule holder CHO while moving towards the retracted position.
The system head SH comprises a first perforating plate FPP with perforation spikes for perforating a top wall of a capsule, and the capsule holder comprise a second perforating plate SPP with perforation spikes for perforating a bottom wall of a capsule. As a consequence of the orientation of the perforating plates FPP, SPP, the capsule is held in a vertical orientation, which will be explained in more detail below.
The coffee machine CM further comprises a heating element HE for heating water in the cylindrical housing CH. The heating element HE may be integral with the cylindrical housing CH, but may alternatively be arranged at other locations along the fluid path from water container WC to capsule system, including, but not limited to at or near the water container WC, in the first or second fluid lines FFL, SFL, or in the piston PI.
The heating element HE and the pump P are controlled by a control unit CU, which based on manual input from a user is able to perform different functions. In more detail, the control unit is connected to the heating element HE and the actuator AC of the pump P. It may further be connected to the wheel W for determining the water level in the water container although this is not shown explicitly.
It will be apparent to the skilled person that the described components of the coffee machine are housed inside a housing H, schematically indicated by a dashed line around the components.
Fig. 2A depicts in more detail the capsule system including a capsule CA received therein.
The capsule CA has been placed in the capsule holder CHO and upon closing the capsule system, perforation spikes PS of the first perforating plate FPP of the system head SH perforate a top wall TW of the capsule CA, e.g. by moving downwards upon closing. Each perforation spike PS of the first perforating plate FPP has a passageway PW. The passageways allow water to be introduced from the second fluid line SFL connected to the pump P in Fig. 1 into the capsule CA below the top wall TW. Hence, in this embodiment, the water is introduced directly into the capsule by the perforation spikes SP.
The capsule CA has a bottom wall BW perforated by the perforation spikes PS of the second perforating plate SPP of the capsule holder CHO upon closing the capsule system. The perforation spikes PS of the second perforating plate SPP also comprise a passageway PW, which allows water to leave the capsule CA towards an orifice OR of the capsule holder CHO in order to be dispensed into a cup CU as shown in Fig. 1.
The perforation spikes PS also have a filter function, as their passageways are limited in size and will only allow the passage of particles that have a smaller size than the internal diameter of the passageways. For instance, in this embodiment, the passageways block the passage of particles having a particle size larger than 370micrometer, preferably larger than 350 micrometer, so that ground coffee having a particle size of 400 micrometer plus or minus 20 or 10 micrometers remains inside the capsule.
At the end of the preparation phase, it may happen that a droplet of coffee remains attached to the orifice OR. It is therefore preferred that the control unit, pump and nonreturn valve are configured such that after forcing pressurized heated water through the capsule, the pump is reversed and the resulting underpressure closing the non-return valve is also temporarily applied to the capsule via the first perforating plate at the top wall of the capsule. This underpressure will then suck the droplet at the orifice into the capsule, thereby omitting the need of a drip tray.
Referring to Fig. 1 again, the preparation cycle starts by moving the piston to the retracted position drawing in water from the water container, such that the cylindrical housing is mainly filled with water. Subsequently, the water is heated by the heating element to a predetermined temperature and upon reaching the desired temperature forced through the second fluid line and through the capsule into the cup CU by moving the pump towards the extended position. At the end of the cycle the pump is moved towards the retracted position again, thereby drawing in any droplets at the orifice of the capsule holder and drawing in a new fresh amount of water from the water container for the next cup of coffee.
The capsule CA filled with coffee may be produced by a method described in relation to Fig. 3. Fig. 3 depicts a flow diagram of possible steps to take in the production of the capsule with coffee.
The method starts by collecting an amount of green coffee beans, preferably of single origin, as shown in step 301.
These green coffee beans are roasted in step 302 by subjecting the beans to heat for preferably twelve minutes such that an end temperature is reached of 214 degrees Celsius.
Subsequently, the roasted coffee beans are subjected to air for 10-14 days in step 303 before being grinded in step 304 to a grinding size of about 400 micrometers. This means that the roasted coffee beans have been subjected to an amount of air equivalent to the amount of air they would have been subjected to in unpacked state. This means that in case the coffee beans cannot be grinded within 10-14 days, the coffee beans can be packaged air tight until the coffee beans can be grinded and still have been subjected to air for 10-14 days.
After grinding, the ground coffee may be filtered in step 305 to remove particles that are too small and/or are too large. During grinding, and also after grinding, gasses are released by the coffee, and preferably the ground coffee is degassed for about 14 hours in step 306 before being packaged in step 307 into a hermetically sealed capsule CA.

Claims (14)

1. Een werkwijze voor het produceren van een capsule gevuld met koffie, omvattende de volgende stappen: a. het verzamelen van een hoeveelheid groene koffiebonen; b. het roosteren van de verzameling groene koffiebonen door het verhitten van de koffiebonen gedurende tien tot veertien minuten, bij voorkeur twaalf minuten, tot een eindtemperatuur tussen 210-218 graden Celsius, bij voorkeur een eindtemperatuur van 214 graden Celsius; c. het blootstellen van de geroosterde koffiebonen aan lucht gedurende 10-14 dagen; d. het malen van de geroosterde koffiebonen tot een maalgrootte van 400 micrometer plus of min 20 micrometer, bij voorkeur plus of min 10 micrometer; e. het ontgassen van de gemalen koffie gedurende 12-16 uur, bij voorkeur 14 uur; f. het verpakken van de ontgaste gemalen coffee in een hermetisch afgesloten capsule.A method for producing a capsule filled with coffee, comprising the following steps: a. Collecting an amount of green coffee beans; b. roasting the set of green coffee beans by heating the coffee beans for ten to fourteen minutes, preferably twelve minutes, to an end temperature between 210-218 degrees Celsius, preferably an end temperature of 214 degrees Celsius; c. exposing the roasted coffee beans to air for 10-14 days; d. grinding the roasted coffee beans to a grind size of 400 microns plus or minus 20 microns, preferably plus or minus 10 microns; e. degassing the ground coffee for 12-16 hours, preferably 14 hours; f. packaging the degassed ground coffee in a hermetically sealed capsule. 2. Een werkwijze volgens conclusie 1, waarbij de capsule omvattende een bodemwand gevormd om te bewegen naar de buitenkant van de capsule om te worden geperforeerd door perforatiepinnen van een tweede perforatieplaat wanneer een bepaalde waterdruk is bereikt in de capsule, en met een bovenwand gevormd om te worden geperforeerd door de perforatiepinnen van een eerste perforatieplaat.A method according to claim 1, wherein the capsule comprising a bottom wall formed to move to the outside of the capsule to be perforated by perforation pins of a second perforated plate when a certain water pressure has been reached in the capsule, and with an upper wall formed to be perforated by the perforation pins of a first perforation plate. 3. Een werkwijze volgens conclusie 1 of 2, waarbij de groene koffiebonen van een enkele oorsprong zijn.A method according to claim 1 or 2, wherein the green coffee beans are of a single origin. 4. Een werkwijze volgens één van de conclusies 1-3, verder omvattende de stap van het filteren van de gemalen koffie om deeltjes te verwijderen kleiner dan een maalgrootte van 350 micrometer, bij voorkeur kleiner dan een maalgrootte van 370 micrometer.A method according to any one of claims 1-3, further comprising the step of filtering the ground coffee to remove particles smaller than a grinding size of 350 microns, preferably smaller than a grinding size of 370 microns. 5. Een werkwijze volgens één van de conclusies 1-4, waarbij de capsule is gevuld met 5.8 tot 6.8 gram koffie, bij voorkeur 6.5 gram koffie.A method according to any one of claims 1-4, wherein the capsule is filled with 5.8 to 6.8 grams of coffee, preferably 6.5 grams of coffee. 6. Een koffiemachine geschikt voor het hanteren van een capsule geproduceerd met een werkwijze volgens één van de conclusies 1-5, omvattende: - een waterhouder voor het opslaan van water; - een capsulesysteem met een systeemkop en een capsulehouder om een capsule gevuld met koffie te ontvangen; - een verwarmingselement voor het verwarmen van water; een pomp om water door de capsule te forceren; en - een besturingseenheid voor het besturen van de werking van het verwarmingselement en de pomp, waarbij de capsulehouder is ingericht om een capsule in een verticale oriëntatie te ontvangen, waarbij de systeemkop van het capsulesysteem een eerste perforatieplaat omvat met perforatiepinnen om een bovenwand van de capsule te perforeren, waarbij elke perforatiepin een doorgang omvat om water in de capsule te introduceren via de doorgang in de perforatiepinnen, waarbij de doorgang de passage van onopgeloste gemalen koffie blokkeert, en waarbij de capsulehouder een tweede perforatieplaat omvat met perforatiepinnen om een bodemwand van de capsule te perforeren, waarbij elke perforatiepin een doorgang omvat waar door heen water de capsule kan verlaten via de doorgang in de perforatiepinnen, waarbij de doorgang de passage van onopgeloste gemalen koffie blokkeert.A coffee machine suitable for handling a capsule produced by a method according to any one of claims 1-5, comprising: - a water container for storing water; - a capsule system with a system head and a capsule holder for receiving a capsule filled with coffee; - a heating element for heating water; a pump to force water through the capsule; and - a control unit for controlling the operation of the heating element and the pump, the capsule holder being adapted to receive a capsule in a vertical orientation, the system head of the capsule system comprising a first perforated plate with perforated pins around an upper wall of the capsule to perforate, wherein each perforation pin comprises a passage to introduce water into the capsule via the passage in the perforation pins, the passage blocking the passage of undissolved ground coffee, and wherein the capsule holder comprises a second perforation plate with perforation pins around a bottom wall of the capsule to perforate, wherein each perforation pin comprises a passage through which water can leave the capsule via the passage in the perforation pins, the passage blocking the passage of unresolved ground coffee. 7. Koffiemachine volgens conclusie 6, waarbij de eerste en tweede perforatieplaat zijn gemaakt van plastic.A coffee machine according to claim 6, wherein the first and second perforated plates are made of plastic. 8. Koffiemachine volgens conclusie 6 of 7, verder omvattende een terugslagklep in een vloeistofleiding tussen de pomp en het capsulesysteem, die afsluitbaar is bij het terugtrekken van de pomp, waarbij de besturingseenheid, pomp en terugslagklep zijn ingericht zodanig dat nadat water door de capsule geforceerd is, de pomp wordt omgekeerd en de resulterende onderdruk die de terugslagklep sluit ook tijdelijk wordt aangebracht op de capsule via de eerste perforatieplaat.A coffee machine according to claim 6 or 7, further comprising a non-return valve in a liquid line between the pump and the capsule system, which can be closed when the pump is withdrawn, the control unit, pump and non-return valve being arranged such that after water is forced through the capsule is, the pump is inverted and the resulting underpressure closing the check valve is also temporarily applied to the capsule via the first perforated plate. 9. Koffiemachine volgens één van de conclusies 6-8, waarbij het capsulesysteem is ingericht zodanig dat bij het sluiten van het capsulesysteem, de eerste perforatieplaat in de systeemkop naar beneden verplaatst wordt om de bovenwand van een capsule in de capsulehouder te perforeren.A coffee machine according to any of claims 6-8, wherein the capsule system is arranged such that when the capsule system is closed, the first perforation plate in the system head is moved downwards to perforate the top wall of a capsule in the capsule holder. 10. Koffiemachine volgens één van de conclusies 6-9, waarbij de pinnen van de perforatieplaat een conische of afgeknotte conische vorm hebben.A coffee machine according to any one of claims 6-9, wherein the pins of the perforation plate have a conical or truncated conical shape. 11. Koffiemachine volgens één van de conclusies 6-10, waarbij de pomp is ingericht om een druk te geven tot ongeveer maximaal 20 bar.A coffee machine according to any one of claims 6-10, wherein the pump is adapted to provide a pressure of up to approximately 20 bar. 12. In combinatie een koffiemachine volgens één van conclusies 6-11 en een capsule geproduceerd door een werkwijze volgens één van conclusies 1-5.12. In combination a coffee machine according to any of claims 6-11 and a capsule produced by a method according to any of claims 1-5. 13. De combinatie volgens conclusie 12, waarbij de koffiemachine is ingericht om de capsule te voorzien van 4 tot 7 l/h water.The combination according to claim 12, wherein the coffee machine is adapted to provide the capsule with 4 to 7 l / h of water. 14. De combinatie volgens conclusie 12, waarbij de koffiemachine is ingericht om de capsule te voorzien van 5,5 tot 8,5 l/h water.The combination of claim 12, wherein the coffee machine is adapted to provide the capsule with 5.5 to 8.5 l / h of water.
NL1041471A 2015-09-11 2015-09-11 Method for producing a capsule filled with coffee, coffee machine and combination of coffee machine and capsule. NL1041471B1 (en)

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