WO2005020768A1 - Methode et dispositif pour preparer une boisson a partir de capsules contenant une substance - Google Patents
Methode et dispositif pour preparer une boisson a partir de capsules contenant une substance Download PDFInfo
- Publication number
- WO2005020768A1 WO2005020768A1 PCT/EP2004/008566 EP2004008566W WO2005020768A1 WO 2005020768 A1 WO2005020768 A1 WO 2005020768A1 EP 2004008566 W EP2004008566 W EP 2004008566W WO 2005020768 A1 WO2005020768 A1 WO 2005020768A1
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- WIPO (PCT)
- Prior art keywords
- capsule
- injection
- substance
- perforation
- water
- Prior art date
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Classifications
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- 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
- A47J31/3666—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 whereby the loading of the brewing chamber with the brewing material is performed by the user
- A47J31/3676—Cartridges being employed
- A47J31/369—Impermeable cartridges being employed
- A47J31/3695—Cartridge perforating means for creating the hot water inlet
Definitions
- the present invention relates to methods and devices for preparing drinks from capsules containing a food substance such as a substance to be extracted and / or dissolved.
- the invention relates more precisely to a method and a device for optimally preparing a variety of drinks from substances of different nature.
- the use of capsules containing a substance for the preparation of a drink by extraction or by mixing under pressure is well known in particular in the field of espresso-type coffees or soluble coffees and turns out to be advantageous in particular for hygienic reasons, freshness of coffee conservation and ease of use.
- capsules containing a substance to be extracted such as ground coffee or tea or a substance to dissolve or disperse such as soluble coffee, chocolate, milk or a mixture or a simple combination of these substances.
- the capsules can be closed capsules serving as a chamber for the injection of water and opening to release the liquid beyond a certain pressure threshold by rupture of one face of the capsule in contact with elements in relief. Water is traditionally injected by perforation through the capsule by means of a needle or points.
- An example of an extraction system of this type is described in patent EP 0512 470 B1 or also EP 0870 457.
- European patent application not yet published No. 02000943.7 there is described a capsule having its own means in relief.
- the capsules can also be permeable enclosures of the filter type or else semi-permeable enclosures comprising a filter part. It is known to use substances to be mixed (soluble or dispersible) and to be extracted under pressure using the same machine so as to offer a greater variety of drinks. For example, one can prepare on the same machine an "espresso" coffee when the capsule contains ground coffee or hot chocolate when the substance contains a mixture of cocoa and milk powder. However, we see that it is not enough to load a capsule with a substance of a different nature to obtain a quality drink in terms of aromas, taste and / or volume of foam, for example.
- the conditions of injection, mixing or wetting can considerably influence the quality of the beverage produced.
- a substance after milling, compacted in a capsule or whether we consider a substance to dissolve or disperse in a liquid such as soluble coffee or a milk-based substance such as 'a cappuccino, chocolate or other
- the way the water circulates through the capsule has an influence on the extraction or mixing conditions and therefore on the final quality of the drink.
- a product such as coffee or chocolate should dissolve or disperse quickly and entirely, preferably producing a foam, while a soluble tea should preferably dissolve without producing foam.
- the dissolution or dispersion must be total, homogeneous, rapid and without the formation of lumps or flocculation.
- application EP 1 203554 A1 relates to the shape of the piercing points to favor the conditions for water flow inside the capsule and to avoid the rise of solid residues outside the capsule.
- the present invention aims to solve this problem and to propose a device making it possible to satisfy the suitable preparation of a wider range of drinks from a wide variety of substances.
- the invention mainly relates to a device for preparing a drink by injecting a quantity of water through a capsule containing a substance to be dissolved and / or to be extracted comprising at least one water injection system intended to introduce a quantity of water inside the capsule characterized in that the injection system is switchable to be selected in at least two different modes of wetting of the substance so as to adapt the wetting according to the type capsule and / or the nature of the substance in the capsule.
- the term "capsule" is understood in the broad sense as any type of recharging element containing a substance without limitation of shape or of materials constituting the element.
- the capsule can be of the waterproof, permeable or partially permeable type.
- the injection system can be actuated to modify the injection configuration according to at least two possible modes, the two modes having one or more distinctions between them as to their injection direction, the number of injection points, the radial position. and / or deep injection into the capsule.
- the device is thus capable of producing the injection conditions which correspond to the conditions sought as a function of the type of capsule and / or of the nature of the substance contained in said capsule. It is thus possible to use the same device to produce different drinks meeting the specificities of each substance contained in the capsule as well as the quality criteria inherent in each drink.
- the injection system comprises at least one piercing and injection element which is movable in the capsule according to at least two distinct positions; positions definable by reference to the perforated surface of the capsule.
- the specific displacement of the perforating element is thus a function of the desired wetting mode.
- the perforation and injection element can thus be moved by an actuating means with manual or automatic control of the mechanical, hydraulic, electric or even mixed type.
- the piercing member is movable at two different depths in the capsule.
- the perforation and injection element is made displaceable in a first high position in the capsule to wet the substance contained in the capsule from above; and a second deeper or lower position in the capsule for wetting the substance in the capsule from the base of the substance.
- the wetting method from above is well suited to the substances to be extracted because it meets the requirement of the passage of all the solution through the bed by forming a water piston through the bed; which conditions the extraction and the timing of the opening of the capsule.
- the base wetting mode favors the dissolution of the substances to be dissolved, such as instant coffee or milk-based drinks, and thus eliminates the areas of accumulation of solids which tend to be created in the bottom. of the capsule such as along the internal edges or edges.
- the perforating element is movable in a first high position in the capsule in which at least one injection point is discovered in the capsule and a second lower position in the capsule in which a higher number important injection points are discovered in the capsule.
- the injection system comprises at least a first perforation and injection element and at least a second perforation and injection element separate from the first perforation and injection element; which are relatively movable relative to each other; each providing a different wetting method for the substance in the capsule.
- each perforation and wetting element is specialized in a wetting mode which is adapted to one or more substances and / or to form from the same substance drinks with different characteristics.
- the first and second elements are displaceable in phase (or movement) opposition relative to each other according to at least a first position where the first element is in engagement in the capsule and the second element is set back from the capsule and conversely a second position where the first element is set back from the capsule and the second element is in engagement in the capsule.
- a rocker or toggle control means for example, or any mechanically or electrically equivalent means, such as a solenoid type means, for example.
- An injection element according to the invention may preferably comprise at least one injection point inside the capsule in the form of a jet configured so as to create in the capsule a swirling movement which causes mixing of the liquid with the substance.
- the element can be eccentric relative to the axis of the capsule in the form of a point, for example, having an injection orifice whose injection direction is inclined relative to the diametral axis of the capsule.
- the axis of the injection orifice from the injection point forms an angle between 20 ° and 60 ° and preferably between 35 ° and 45 ° with a line connecting the injection point to the center of the capsule .
- the effect of such a wetting method is to create at least one moment of hydraulic force which drives the substance in rotational movement so as to form a vortex effect inside the capsule and around its central axis.
- the direction of injection is in the direction of the bottom of the capsule to generate a movement of internal turbulence, not only with a vortex effect, but also in a direction substantially perpendicular to the direction of the vortex, as from bottom to top.
- a single injection point may be sufficient for the substances to be dissolved or dispersed, such as those based on chocolate and / or milk.
- Several injection points can be arranged eccentrically so as to better distribute the liquid in the capsule.
- Such a configuration can be advantageous for certain substances, in particular, for creating a mixing of liquid sufficiently distributed in a bed of a substance to be extracted such as a coffee grounds or the like.
- one of the two injection elements is a multi-point plate intended, during its engagement through the capsule, to perforate the surface of the capsule in multiple locations.
- ground substances such as coffee where it is advantageous to multiply the water entry zones, distributing the water over a large part of the section of the capsule, or even its entire section, to the inside the capsule, so as to slow down the speed of passage of the water in the bed of substance, thus avoiding the preferential paths through the substance and thus guaranteeing the complete and progressive wetting of all the substance.
- one of the two elements is an injection tip located substantially in the center of the capsule and which is configured so as to produce a diverging multidirectional spray in the form of at least one thin layer of water. It may be a single layer which extends continuously around the periphery of the tip and sprinkles the substance contained in the capsule in a circular manner or several discontinuous layers of water which extend in a substantially distributed manner around the edge of the point.
- the thin layer or layers of water have a thickness less than or equal to 0.5 mm, preferably less than 0.3 mm.
- the tip is configured so as to open under the effect of the water pressure against an elastic element so as to release a passage of thickness determined as a function of the pressure and thus create the water layer.
- the tip comprises fixed openings, in the form of slits, so as to produce several layers of water, which in combination with each other, distribute the water while providing coverage over approximately 360 degrees.
- the injection tip producing a diverging sprinkling in the form of a thin layer (s) of water may be the sole means of injection of the device and be displaceable in depth inside the capsule according to at least two different depths of wetting.
- a displacement along several depths makes it possible to treat both the ground substances arranged in a bed to be extracted which must preferably be wetted with a complete and slow passage of water through the bed, and the substances to be dissolved, for which it may be advantageous to inject the water at a greater depth, so as to gradually disintegrate the mass to be dissolved and evacuate it, without forming lumps.
- an actuating means is provided to move the perforation or injection element (s) according to the two positions, selectively, by recognizing the size and / or the proper geometry of the capsule.
- the actuating means can take very varied forms without, however, departing from the general principle of the invention.
- the actuating means can, for example, comprise at least one support integral with said perforation and injection element; which support is resiliently movable relative to a head base, the actuating means comprising at least one detection means intended to drive the actuating means in movement by engagement in a complementary manner with an edge of the capsule.
- the actuating means can be movable relative to a reference element of the device, such as a head base, which is placed on the side of the injection surface of the capsule and which cooperates in closing with a capsule support. intended to receive and hold the capsule in place.
- the injection system comprises a first injection and perforation element in the form of an eccentric injection tip which is integral with the actuating means and a second injection element and perforating in the form of a multi-point plate which is connected by a rocker control means to the actuation means and is mounted in relative displacement relative to the head base; said multi-point plate thus being controlled in a position for perforating the surface of the capsule when the detection means of the actuating means meet and engage a complementary edge of the capsule and is controlled in the position of retraction with respect to the surface of the capsule and therefore allowing entry of the injection tip into the capsule when the detection means does not meet the complementary edge of the capsule.
- the injection system comprises a first perforation and injection element in the form of an eccentric injection point which is integral with the actuating means and a second injection and perforation in the form of a central injection point mounted as a guide through the actuating means and the head base; said eccentric injection tip being in a position set back from the surface of the capsule when the detection means of the actuating means meets and engages a complementary edge of the capsule and is in a position of perforation in the capsule when the means of detection does not meet the complementary edge of the capsule.
- the injection system of the device of the invention comprises means for maintaining the water at a certain injection temperature depending on the nature of the substance and / or the type of injection.
- Such means may include a water heater such as a thermoblock, a resistive heating cartridge or even a kettle and means for controlling the temperature of the water in the injection system such as a thermostat, for example. .
- the means for maintaining the temperature of the water are switchable for heating the water according to a first range of temperatures and according to a second range of temperatures, different from the first range of temperatures, and vice versa, this depending on the nature of the substance and / or type of capsule.
- the injection system is switchable to establish the temperature of the water for injection in a temperature range which does not affect the flocculation of the substance.
- the temperature is thus lowered in a temperature range below 80 ° C, preferably between 50 and 75 ° C.
- the switching can be carried out by the actuating means in connection with the capsule as previously described.
- the water injection system has means for adjusting the water flow according to the nature of the substance and / or the type of capsule.
- the means comprise a pump whose force is adjustable and whose adjustment can be done by the actuating means in connection with the capsule as previously described.
- the invention also relates to a method for preparing a drink by injecting water through a capsule containing a substance to be dissolved and / or extracted in which the liquid is injected through the capsule according to at least two modes.
- the liquid is injected according to at least two modes in which the point (s) of injection is (are) spatially distinct (s) and / or are in distinct numbers.
- the liquid is injected according to two injection modes which define two distinct depths of the injection flow in the capsule.
- the liquid is injected according to at least two injection modes in which the speed of introduction of the liquid into the capsule is different. More particularly, the speed of introduction of the liquid into the capsule can be slowed down by multiplying the injection points of the liquid in the capsule from the same source of pressurized liquid.
- the liquid is injected in a first mode so as to create in said capsule a swirling movement causing mixing of the injected liquid with said substance.
- the liquid is injected according to a second mode so as to form a sprinkler according to several entry points into the capsule and at a slower injection speed than according to said first mode.
- FIG. 1 shows a first embodiment of 'a device of the invention
- FIG. 1 is a sectional view of the device according to the first mode, in opening
- - Figure 2 is a sectional view of the device according to the first mode of closure around the capsule in a first wetting configuration
- - Figure 3 is a sectional view of the device according to the first embodiment in closure around the capsule in a second wetting configuration
- - Figure 4A is a perspective view of the injection system of the first mode
- - Figure 4B is a sectional view along A-A of Figure 4A
- - Figure 5 is a detail view of the injection system when it is opened in operation by water pressure
- - Figures 6 to 12 show a second embodiment of the device of the invention
- - Figure 6 is a sectional view of the upper part of the device according to the second mode, in opening
- - Figure 7 is an exploded
- a first preferred embodiment of a preparation device 1 is illustrated in section, which comprises a system 2 for injecting a pressurized fluid, preferably cold water or hot under pressure, which can be switched to at least two injection depth positions different inside a capsule 3.
- the device comprises a first lower sub-assembly in the form of a capsule support or "capsule holder" 40 which has a shape and a size adapted to receive at least in part the capsule 3.
- the capsule can be a closed, open or partially open capsule.
- the capsule comprises a closed chamber containing the substance to be extracted and / or to be dissolved and a retaining portion such as a membrane 35 which opens, under the effect of the pressure build-up inside of the chamber, in contact with engagement means such as raised elements 37.
- the engagement means may either be part of the capsule itself or be part of the capsule holder 40.
- the capsule may also preferably include means 31 for collecting the extracted liquid or mixture and a means or conduit or flow port 32 which are specific thereto; which has the advantage, in combination with the integrated opening means, of delivering a product without direct contact with the device, in particular with the capsule support 40; which ensures an absence of cross contamination of the drinks, better hygiene, less cleaning and greater simplicity in the very design of the preparation device.
- the capsule may include a cup 33, made of plastic or other material, to form or house the functional elements, namely the elements in relief, the sealed opening membrane 30 and the conduit means 32.
- the cup 33 can be closed to form the chamber 34 by means of a second inlet membrane 30 sealed on the sealing edges 36 of the capsule.
- the configuration of the capsule can, of course, take many other concepts and / or forms without departing from the scope of the invention.
- the capsule could, for example, comprise a body formed largely of flexible material (sachet) which is inserted into the device in an equivalent manner.
- a preferred capsule is described in more detail in the Euro-PCT patent application No. 03/00384 filed on January 13, 2003; whose entire content is added to this application here by this reference.
- the device comprises a second sub-assembly or injection system 2 which cooperates in closing with the capsule holder 40 to define an injection enclosure containing the capsule.
- the second sub-assembly or injection system 2 is formed of a central perforation and injection element 5, the construction details of which will be given below, and of an actuation means 6 secured to the element 5 so as to move the injection point inside the capsule in several wetting modes.
- the perforation and injection element passes through a head base 7 which is moved in closing relative to the capsule support 40. It is understood that the head base can be mobile relative to a fixed support 40 or vice versa, or again, the two can be mobile in closing.
- the actuating means in the form of a mobile bell-shaped support called "mobile bell 6" in the following description.
- the movable bell 6 is associated in elastic guiding in translation relative to the head base 7 by means of several guide tubes 70, 71 of the head base and of springs 72, 73 inserted between the upper base 79 of the base head and the movable bell 6, so that in the open position of the device, the head base 7 is applied substantially in the bottom of the movable bell under the effect of the compression of the springs.
- the upper base 79 is integrally connected to the tubes of the head base by any suitable connection means such as screws 790.
- the head base 7 further comprises peripheral sealing means 74, such as an elastomeric seal, arranged to rest in closure against the peripheral edges 41 of the capsule holder 40.
- the head base therefore comprises a part which applies as close as possible to the entry surface of the capsule at the time of closing; which allows the introduction of the central piercing and injection element 5 through the capsule, more precisely, through the inlet membrane 30 of the capsule.
- An additional sealing element 75 can also surround the perforation and injection element to prevent a rise of fluid through the injection system and outside the device.
- the mode of the invention shown is based on the principle that the actuation means of the injection element or movable bell 6 being integral with the element 5, allows depending on its relative position relative to the capsule support to modify the position of the perforation and injection element in the capsule and therefore to change the wetting configuration of the substance contained in the closed chamber of the capsule.
- the movable bell 6 has detection means according to the very type of capsule which are formed by engagement edges 60 capable of engaging complementary edges 360 of the capsule and therefore, therefore, which are capable of repelling the bell 6 relative to the head base 7 in direction A as a function of the width of the edges of the capsule (as shown in FIG. 2).
- FIG. 2 shows a configuration in which the capsule has extensions or wide edges 360, to allow the bell 6 to be pushed back and therefore to stop the perforation and injection element in an insertion position P1 close to the entry of the capsule.
- Such a position makes it possible to inject the fluid substantially at the level of the entry of the bed of substance; which is well suited to ground products to be extracted, for example.
- FIGS. 4A, 4B and 5 show in detail a preferred configuration of the perforation and injection element 5.
- the perforation and injection element 5 has a nozzle 56 connectable to the supply of pressurized fluid to the device of preparation.
- the end piece comprises a hollow bore 560 passing through to transport the fluid and is connected directly at its lower end to an elongated hollow injection portion 57.
- the hollow portion 57 ends in an open tube 570 which is closed, in a controlled manner, by a central needle 58 under the action of a tension spring 59 housed in the hollow portion and attached to a fixed point 571 of the hollow portion.
- the central needle 58 has internal fins allowing the central needle to slide in the tube portion in a centered manner and without jamming while leaving passages for the fluid.
- the needle has a sealing surface 582 on which the pressurized fluid acts to push the needle and release an opening or passage 560 of circular shape and controlled thickness (Figure 5). The thickness is controlled by the chosen force of the spring 59.
- the opening is of thickness at most equal to 2 mm, preferably less than 1 mm, even more preferably, less than or equal to 0.5 mm.
- the small thickness of the opening has the effect of producing a watering sheet covering a significant surface of the substance but also of sufficient velocity to form a jet effect through the substance.
- the mode of FIGS. 6 to 13 is a variant of a device of the invention in which the injection system 2B, in particular, differs substantially from that previously described while the other means of the device can remain identical or similar. This mode differs mainly from the previous one in that it comprises two distinct perforation and injection elements; which are relatively movable relative to each other to provide at least two different wetting modes of the substance in the capsule.
- FIG. 7 A first perforation and injection element is visible in FIG. 7 in the form of a multi-point plate 50 movable in opposition to movement relative to a second perforation and injection element in the form of an eccentric tip 51 mounted integrally by means of actuation also called "movable bell 6B".
- the multi-point plate 50 has a multitude of piercing elements intended to perforate the entry surface 30 of the capsule and allow the entry of the fluid through the multiple holes thus created (FIG. 9).
- the plate is mounted on a head base 7B comprising, inter alia, a pressure distribution grid 700 and an internal cover 710 connectable to the grid by clipping or any equivalent means.
- the pressure distribution grid serves, in particular, to keep the surface of the capsule out of contact with the tips in the event that the other wetting mode is selected and the capsule is pressurized with liquid.
- a peripheral seal 720 in the form of a ring is provided to surround the cover 710 and thus define an internal chamber 730 for filling with fluid under pressure and thus allow the isobaric distribution of the fluid through the multi-point plate and the grid.
- the head base also comprises a fixed bell 735 connected over the elements 700, 710, 720 making the connection by elastic guidance with the movable bell 6. To do this, the fixed bell 735 comprises guide tubes 731 through which the mobile bell 6B can slide in sliding.
- the guide tubes are connected to the upper base 79 of the head base by screws or any other equivalent connection means.
- the bell mobile 6B supports the injection tip 51 which is arranged eccentrically with respect to the central axis I of the injection system coinciding with the axis of the capsule.
- the tip can be connected via a socket 510 screwed into a housing of the bell 6B and which extends through the head base by a hollow needle 512 comprising a bevelled part ending in an injection opening 513.
- the injection opening 513 is directed in such a way that it produces a movement of swirling fluid or "vortex" inside the capsule when this injection mode is activated; which causes the liquid to mix with the substance contained in the capsule.
- the direction of injection is inclined relative to the diametrical axis of the capsule and, moreover, is preferably inclined downwards as shown in FIG. 13.
- the injection elements 50, 51 are arranged the one with respect to the other so as to be alternately activated inside the capsule. More specifically, the multi-point plate is articulated to the head base 7B on the one hand, and to the movable bell 6B, on the other hand, by means of a rocker control system.
- the multi-point plate is extended by a rod 55 through the head base 7 and is connected to the first ends of two levers 80, 81 by a central common articulation 734.
- the levers 80, 81 are themselves connected in their center on joints 738, 739 of the head base and their second ends are connected to joints 600, 601 of the movable bell 6B.
- the articulations can be formed of axes of simple rotation or axes associating rotation and translation like articulations of the oblong type so as to facilitate the movements and to avoid jamming.
- the mode of operation of the injection system can now be explained in detail in connection with FIGS. 8, 9 and 10.
- FIG. 12 shows a detailed view of a preferred embodiment of the multi-point plate 50.
- the plate can comprise a portion of metal plate 52 from which is cut and folded a multitude of individual lamellae 53 sufficiently thin but rigid to provide a efficient and reproducible drilling over a large number of cycles through the surface of the capsule. The folding at right angles to each strip makes it possible to define a lumen 54 for the passage of water from the chamber through the plate portion 52.
- FIG. 13 the preparation device is shown in a wetting mode in which the liquid is injected into the capsule so as to create a swirling movement of the liquid around the center of the capsule accompanied in particular by multiple reflections of the jet against the walls inside of it.
- the perforation and injection element 512 more precisely, the injection orifice 513 is placed at a distance from the center of the capsule (materialized by point C on the internal surface 700 of the system) and is therefore eccentric with respect to the vertical axis thereof.
- the direction of the injection jet J thus created is therefore oriented on the one hand along an axis which passes away from the center C and on the other hand along a second axis oriented towards the bottom of the capsule.
- FIG. 14 and 15 there is shown another embodiment of a device for the preparation of a drink by injecting a liquid through a capsule according to the invention.
- the preparation device is shown in the closed position in these two figures, but according to a first wetting mode in FIG. 14 and according to a second wetting mode in FIG. 15.
- wetting mode is meant in the context of the present invention the type of wetting of the substance contained in the capsule 2 which it is desired to obtain, the type of wetting essentially depends on the nature of said substance.
- the preparation device is shown in a first wetting mode in which the liquid is injected into the capsule so as to create a swirling movement of the liquid around the center C of the capsule accompanied in particular by multiple reflections of the jet against the inner walls thereof as described above in connection with Figures 1 and 2.
- This method of wetting is particularly suitable for capsules containing soluble substances because it allows complete and rapid dissolution of this type of substance .
- the preparation device is shown in a second wetting mode in which the liquid is injected into the capsule so as to create, in addition to a swirling movement of the liquid around the center C of the capsule, a wetting in the upper part of the capsule using a diverging jet of liquid in the form of a thin layer of liquid to wet the substance contained in the capsule from above.
- This wetting method is particularly suitable for capsules containing substances to be extracted because it allows complete and rapid dissolution of this type of substance.
- the preparation device comprises a perforation and injection element 500 comprising a first injection orifice 513 disposed and oriented identically to the injection orifice 513 of the perforation and injection element described in connection with FIGS.
- the perforation and injection element 500 is in the form a hollow needle comprising a channel 513a which opens outwards at a first end via the first 513 and second 515 injection means.
- the channel 513a also communicates with the supply channel 20 in its middle part through an opening 21.
- the perforation and injection element is extended at the end opposite to the injection means 513 and 515 by a finger actuation 22 cooperating with a lever 23 controlled by switching means (not shown) integral with the head 2C.
- the perforation and injection element 500 comprises in its central part a portion of larger diameter in which the opening 21 is formed and by which it is mounted movable in translation in a shouldered passage 24 extending parallel to the vertical axis of the injection head formed in the core 25, a return spring 26 being interposed between the bottom of the passage and a shoulder of the perforation and injection element 500.
- Two O-ring seals 270, 271 are placed on either side of the opening 21 on the perforation and injection element 500 to cooperate with the interior surface of the passage 24.
- the perforation element 500 is movable between two positions distinct, namely a first position ( Figure 14) in which only the first port 513 opens into the interior of the capsule 3 and which corresponds to the first wetting mode and a second position ( Figure 15) in which the first orifice 513 as well as the second injection means 515 open into the interior of the capsule 3 and which corresponds to the second wetting mode.
- a first position Figure 14
- Figure 15 Figure 15
- the transition from the first wetting mode to the second wetting mode is achieved via switching means which act on the perforation and injection element 500 against the return spring 26 by means of the lever 23.
- the diameter of the supply channel 20 and the opening 21 as well as the stroke of the perforation and injection element for the passage from the first to the second wetting mode 515 are arranged so that the opening 21 communicates at all times at least partially with the supply channel 20 regardless of the wetting mode selected.
- the second injection means 515 making it possible to produce a diverging jet in the form of a thin layer of liquid comprises a plurality of orifices 515a distributed over a part of the periphery of the perforation and injection element 500.
- the perforation and injection element 500 being disposed eccentrically inside the capsule, and more precisely in the vicinity of the side wall thereof, the orifices 515a are directed towards the center of the capsule.
- the orifices 515a are advantageously offset in height relative to each other.
- These orifices 515a thus produce a plurality of jets divergent which overlap to form a thin layer of liquid which sprays and wets the substance contained in the upper part of the capsule.
- the diverging jet extends over a circular sector large enough to wet substantially all of the substance located in the upper part of the capsule.
- the orifices 515a and the orifice 515b are respectively arranged so that the thin layer of liquid is produced in a substantially continuous manner over an angular sector comprised between 90 ° and 180 ° and preferably of the order of 160 °.
- these orifices 515a and 515b are arranged to produce a layer of liquid having a thickness less than or equal to 0.5 mm and preferably less than 0.3 mm.
- the axis of the second injection means 515 that is to say the axis of the orifices 515a respectively 515b defining the direction of the jet of liquid, makes an angle including between 0 ° and 25 ° with the horizontal and preferably an angle of around 15 °.
- the liquid injected through these orifices is thus directed upwards and is initially reflected against the lower surface of the cover and is subsequently returned to the bed of substance, being much more dispersed. In doing so, the homogeneity of the wetting of the substance is improved.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Apparatus For Making Beverages (AREA)
- Tea And Coffee (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Non-Alcoholic Beverages (AREA)
- General Preparation And Processing Of Foods (AREA)
Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2534584A CA2534584C (fr) | 2003-08-25 | 2004-07-30 | Methode et dispositif pour preparer une boisson a partir de capsules contenant une substance |
AU2004267919A AU2004267919B2 (en) | 2003-08-25 | 2004-07-30 | Method and device for preparation of a drink from capsules containing a substance |
CN2004800243968A CN1842290B (zh) | 2003-08-25 | 2004-07-30 | 利用容纳物质的胶囊来制备饮料的方法和设备 |
JP2006524254A JP4891078B2 (ja) | 2003-08-25 | 2004-07-30 | 物質を入れたカプセルを使用して飲み物を準備するための方法と装置 |
US10/568,785 US7650831B2 (en) | 2003-08-25 | 2004-07-30 | Method and device for preparation of a drink from capsules containing a substance |
HK07102569.0A HK1095501A1 (en) | 2003-08-25 | 2007-03-08 | Method and device for preparation of a drink from capsules containing a substance |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03019164.7A EP1510160B2 (fr) | 2003-08-25 | 2003-08-25 | Méthode et dispositif pour préparer une boisson à partir de capsules contenant une substance |
EP03019164.7 | 2003-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005020768A1 true WO2005020768A1 (fr) | 2005-03-10 |
Family
ID=34089599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/008566 WO2005020768A1 (fr) | 2003-08-25 | 2004-07-30 | Methode et dispositif pour preparer une boisson a partir de capsules contenant une substance |
Country Status (16)
Country | Link |
---|---|
US (1) | US7650831B2 (fr) |
EP (1) | EP1510160B2 (fr) |
JP (1) | JP4891078B2 (fr) |
CN (1) | CN1842290B (fr) |
AR (1) | AR046009A1 (fr) |
AT (1) | ATE529027T1 (fr) |
AU (1) | AU2004267919B2 (fr) |
CA (1) | CA2534584C (fr) |
DK (1) | DK1510160T4 (fr) |
ES (1) | ES2373436T5 (fr) |
HK (1) | HK1095501A1 (fr) |
MY (1) | MY151769A (fr) |
PT (1) | PT1510160E (fr) |
SI (1) | SI1510160T2 (fr) |
TW (1) | TWI339112B (fr) |
WO (1) | WO2005020768A1 (fr) |
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- 2003-08-25 AT AT03019164T patent/ATE529027T1/de active
- 2003-08-25 DK DK03019164.7T patent/DK1510160T4/da active
- 2003-08-25 EP EP03019164.7A patent/EP1510160B2/fr not_active Expired - Lifetime
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- 2004-07-30 CA CA2534584A patent/CA2534584C/fr not_active Expired - Fee Related
- 2004-07-30 WO PCT/EP2004/008566 patent/WO2005020768A1/fr active Application Filing
- 2004-07-30 CN CN2004800243968A patent/CN1842290B/zh not_active Expired - Fee Related
- 2004-07-30 AU AU2004267919A patent/AU2004267919B2/en not_active Ceased
- 2004-07-30 US US10/568,785 patent/US7650831B2/en not_active Expired - Fee Related
- 2004-08-13 TW TW093124414A patent/TWI339112B/zh not_active IP Right Cessation
- 2004-08-24 MY MYPI20043455 patent/MY151769A/en unknown
- 2004-08-24 AR ARP040103040A patent/AR046009A1/es not_active Application Discontinuation
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013046761A (ja) * | 2006-05-24 | 2013-03-07 | Nestec Sa | カプセル穿孔モジュール |
JP2011515134A (ja) * | 2008-03-18 | 2011-05-19 | ネステク ソシエテ アノニム | 穿刺可能な送出壁を備える液体の調製のためのカートリッジ |
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EP2210826A1 (fr) | 2009-01-22 | 2010-07-28 | Nestec S.A. | Capsule avec un élément de perçage intégré et système pour préparer une boisson |
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Also Published As
Publication number | Publication date |
---|---|
ES2373436T3 (es) | 2012-02-03 |
JP2007503231A (ja) | 2007-02-22 |
US20060225575A1 (en) | 2006-10-12 |
TWI339112B (en) | 2011-03-21 |
HK1095501A1 (en) | 2007-05-11 |
JP4891078B2 (ja) | 2012-03-07 |
CA2534584C (fr) | 2013-01-22 |
ATE529027T1 (de) | 2011-11-15 |
SI1510160T1 (sl) | 2011-12-30 |
AU2004267919A1 (en) | 2005-03-10 |
AR046009A1 (es) | 2005-11-23 |
PT1510160E (pt) | 2011-11-02 |
EP1510160B2 (fr) | 2014-10-29 |
CN1842290B (zh) | 2011-11-23 |
EP1510160A1 (fr) | 2005-03-02 |
MY151769A (en) | 2014-07-14 |
EP1510160B1 (fr) | 2011-10-19 |
CN1842290A (zh) | 2006-10-04 |
ES2373436T5 (es) | 2014-12-29 |
DK1510160T3 (da) | 2012-01-23 |
CA2534584A1 (fr) | 2005-03-10 |
TW200509844A (en) | 2005-03-16 |
SI1510160T2 (sl) | 2014-12-31 |
US7650831B2 (en) | 2010-01-26 |
AU2004267919B2 (en) | 2010-11-11 |
DK1510160T4 (da) | 2014-11-24 |
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