WO2007141348A1 - Disposable device for preparing coffee, infusions and the like, method for producing said device and use - Google Patents

Disposable device for preparing coffee, infusions and the like, method for producing said device and use Download PDF

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Publication number
WO2007141348A1
WO2007141348A1 PCT/ES2006/070077 ES2006070077W WO2007141348A1 WO 2007141348 A1 WO2007141348 A1 WO 2007141348A1 ES 2006070077 W ES2006070077 W ES 2006070077W WO 2007141348 A1 WO2007141348 A1 WO 2007141348A1
Authority
WO
WIPO (PCT)
Prior art keywords
infusions
disposable device
preparing coffee
coffee
chamber
Prior art date
Application number
PCT/ES2006/070077
Other languages
Spanish (es)
French (fr)
Inventor
Lucas Roca Nieto
Vicente Javier Roca Nieto
Original Assignee
Lucas Roca Nieto
Vicente Javier Roca Nieto
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 Lucas Roca Nieto, Vicente Javier Roca Nieto filed Critical Lucas Roca Nieto
Priority to PCT/ES2006/070077 priority Critical patent/WO2007141348A1/en
Publication of WO2007141348A1 publication Critical patent/WO2007141348A1/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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
    • B65D81/3453—Rigid containers, e.g. trays, bottles, boxes, cups
    • 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
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/54—Water boiling vessels in beverage making machines
    • A47J31/547—Water boiling vessels in beverage making machines using microwave energy for heating the water
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3216—Rigid containers disposed one within the other
    • B65D81/3222—Rigid containers disposed one within the other with additional means facilitating admixture
    • 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
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • B65D2581/3401—Cooking or heating method specially adapted to the contents of the package
    • B65D2581/3402—Cooking or heating method specially adapted to the contents of the package characterised by the type of product to be heated or cooked
    • B65D2581/3409—Brewing coffee or tea

Definitions

  • the present invention relates to a disposable device for preparing coffee, infusions and the like especially suitable for individual use.
  • This device dispenses with machines such as coffee makers or external resistance heaters.
  • the same device has a receptacle that allows dispensing with the cup or the like and allows it to be drunk in the same device.
  • plastic containers are configured in which by means of heat welding, induction, high frequency, ultrasound, laser, or other joining procedures, it is possible to configure ducts, filters, storage chambers, and distribution means that allow The device is functional.
  • Traditional coffee or tea brewing procedures consist of heating water and passing it through the dehydrated or ground product, as in the case of infusions or coffee.
  • the hot water extracts the soluble substances and the liquid obtained is the one that is used to be taken with sugar, milk or simply alone.
  • the most commonly used chamber consists of a bowl with handle that fills and empties easily. This bowl has a bayonet closure to close the cavity quickly and then be able to inject the hot water or fluid used under pressure to extract the soluble.
  • a machine is capable of supplying the pressurized fluid, usually very hot water, through an opening present or generated at the moment by drilling the injector.
  • a second perforation is the one that allows the output of the product already prepared to be subsequently poured into the user's cup. It is the machine that, when closing the cavity where the bag is housed, carries out the perforations by incision by means of an element or cutting elements such as, for example, the ends of the injection or outlet ducts.
  • This envelope contains the powder material that makes it possible to make coffee, for example, and consists of sheets welded together.
  • the injection of the hot fluid under pressure is what causes the envelope to open and exit the injected extraction fluid.
  • Its main claim therefore includes the presence of a channel that allows the arrival of the fluid - A - extraction, said channel being substantially perpendicular to the welding line in which it emerges.
  • the invention contemplates the injection of the extraction fluid by means of a machine that provides the necessary pressure.
  • said bag does not open by inserting the needle or the pointed element to the point of breaking the weld that closes said bag, but it is the pressurized water (under pressure) that initiates and completely opens said welding of the bag to allow the entry of the extraction liquid ".
  • the device of the present invention does not require a machine that provides sufficient pressure on the extraction liquid is because the same device incorporates the extraction liquid and it is the heating produced by a microwave oven that it provides the necessary pressure to carry out an integral extraction procedure either on coffee or on dehydrated material to obtain an infusion.
  • the device basically consists of two plastic sheets, rigid or flexible, joined together by heat welding, induction, high frequency, ultrasound, laser, or other joining procedures, setting up vities and different components that will be described later.
  • the two sheets are made of rigid plastic, it is possible to constitute at least two pieces joined by thermo-welding, along a suitably chosen line, which give rise to a three-dimensional body such as for example a vessel with an internal reservoir. In this case it is possible to incorporate additional sheets that would result in more cameras and communication steps.
  • the chambers are essentially configured in this rigid plastic and covered with a flexible heat-welded sheet along perimeter and other joining lines.
  • the chambers are configured by the heat welding lines.
  • heat welding it is by way of example and it is understood that any mentioned joining procedure such as induction, high frequency, ultrasound or laser among others is valid.
  • both sheets are rigid so that the cavities can be reproduced in one, in the two or alternate in one and the other according to design.
  • At least one first chamber must be present in this device to house the extraction liquid, usually water.
  • This first chamber communicates with a second chamber separated by a valve consisting of a weakening line that yields to pressure.
  • the second chamber is the substance from which its content is to be extracted by means of the extraction liquid: coffee, dehydrated plants to obtain an infusion or other more elaborate ones, for example with chocolate content and which also require passage of an extraction liquid.
  • This second chamber can communicate with more cameras arranged behind it to provide additional elements such as milk, either very solid liquid, or flow directly into an outlet channel that ends inside the cup or glass.
  • This device is designed to be attached to the vessel or cup, preferably hung from the edge by the outer or inner part, so that the vessel next to the device is inserted into the microwave.
  • Microwave radiation brings to the boiling point what has so far been called extraction liquid, for example water, so that in the chamber where it is stored the pressure is increased.
  • extraction liquid for example water
  • This pressure overcomes the resistance of the valve that keeps the chamber closed and allows its exit to the second chamber, which has the substance such as ground coffee or infusion plants.
  • This communication can be carried out by means of an intermediate chamber delimited on the one hand by the access valve to the extraction liquid and on the other by a filter.
  • This filter can be configured by means of heat-welding with no more than applying specific welding points, leaving steps or channels as a grid. stretches
  • This filter in addition to preventing the passage of the grain or ground substance such as coffee or the infusion plants backwards, favors that the hot extraction liquid enters along a passage line and not through a point in such a way that the liquid passes homogeneously through all the solid content without leaving areas that when compacted could even be left without even moistening.
  • a similar filter is arranged at the end of the second chamber so that only the coffee, the infusion, or the target product, already made and without particles, comes out.
  • Behind this second chamber is a communication channel that can start from a collection chamber that flows into the cup or glass.
  • a chamber is defined by a closed welding line that joins the two sheets.
  • plastic sheets can incorporate additional devices consisting of external elements and not by welding such as valves, filters or communication perforations.
  • any of the sheets is flexible, it is possible to integrate this type of device into the welding itself.
  • the union can be avoided by establishing a communication point. If this step is wide it constitutes a passage channel. If it is narrow, it can allow the passage of liquid but not particles of a smaller size. In this case, an alignment of narrow pass channels consisting of points where welding does not occur constitutes a filter.
  • the section weakened with a weld of this nature behaves like a valve that yields to a value of internal pressure greater than the permissible.
  • the cameras can be configured in it at least in the largest surface that delimits it in such a way that it will be enough to cover it with a sheet arranged according to a plane and joined by heat-welding at the points or lines of contact so that said chambers are definitively completed.
  • This last case is the one that allows the filters, valves and channels to be integrated more easily without defining more or less strong or interrupted welding lines to constitute them.
  • each of the sheets comes from the unwinding of a different coil. Both sheets converge until they are parallel since after joining each of them constitutes a face of the final device. Before joining, there are liquid and powder feeders that supply said components at the point where the sheets are sealed, it being appropriate to incorporate resuscitation means to prevent the sheets from staining by dripping or loss of dust making it difficult to welding .
  • Figure 1 is an exemplary embodiment depicting a simple configuration device schematically located on the edge of a cup.
  • Figure 2 is a second embodiment with two outlets that serves to have two fastening means by way of hooks on the edge of the cup.
  • Figure 3 is a third embodiment which has different chambers in sequential order with respect to the passage of the liquid but in a different spatial arrangement.
  • Figure 4 is a fourth embodiment in which a device consisting of a rigid sheet that covers the different ducts and cavi- is shown. dades covered by a second flexible sheet.
  • Figure 5 shows a manufacturing scheme of the devices consisting of two flexible sheets.
  • Figures 6a and 6b show sections of devices consisting of a rigid and a flexible sheet that also integrate the vessel into the same device.
  • Figure 1 shows a first exemplary embodiment consisting of a device (1) manufactured from two flexible heat-welded sheets through various suitably chosen lines.
  • the device is hung from the edge of a cup (2) in its use position to be introduced both (1, 2) in a microwave oven.
  • heat-welding lines extend essentially through the perimeter edge as well as in internal lines, configuring different chambers and conduction channels.
  • the first chamber configured is a first (1.1) shown in the lower part intended to store the extraction liquid which in this example is water.
  • This first chamber (1.1) has a conduit (1.1.1) defined by two essentially parallel welding lines of water outlet. This duct will ensure the emptying of the first chamber (1.1) and that in its operative position of use the action of gravity tends to move the liquid to the bottom when there is also a gas phase.
  • the use of the device comprises the introduction into a microwave oven of the device (1), together with the cup (2) since in this particular example it does not incorporate its own receptacle, the action of the microwaves on the water is to heat the liquid to the boiling point generating an increasing pressure that reaches a certain predetermined value.
  • valve (1.8) formed by a weaker welding line than those used to form the conduit (1.1.1) and the limits of the cameras.
  • this welding line must be calibrated in a range that allows it to break when the water in this case reaches the boil. It is at this time when the hot water exceeds the barrier established by the valve (1.8) to reach an intermediate chamber (1.2). On this intermediate chamber a line of spatially distributed welding points is defined giving rise to an input filter (1.5).
  • the intermediate chamber (1.2) allows hot water to access the entire length of the inlet filter line (1.5).
  • This inlet filter line (1.5) prevents the passage of coffee particles, infusion or other solid substances located in the second chamber (1.3).
  • this second chamber (1.3) is where the extraction of soluble substances occurs by the passage of hot water through ground coffee, infusion plants, chocolate, or the product for which the use of this device is intended.
  • the second chamber (1.3) where the solid product is stored is superiorly limited by an outlet filter (1.6). It is between the inlet (1.5) and outlet (1.6) filters where the solid product is confined.
  • the output of the liquid product is collected in a manifold (1.4) that flows into a final outlet duct (1.7) after overcoming a valve (1.9) constituted by a weakening line that prevents evaporation of coffee aroma or the entry of impurities .
  • This final exit duct (1.7) is configured as a hook, also carrying out the function of holding the device. With this support, the support in the cup (2) is secured quickly and that the liquid product enters the inside of the cup (2).
  • Figure 2 is a second embodiment of the invention in which the outlet duct (1.7) is duplicated giving rise to a double support that makes the fixation on the edge of the cup (2) more stable.
  • Figure 3 is a third embodiment of the invention in which, although the steps through which the liquid passes are in the same sequence, they are partially distributed in another way.
  • the first (1.1) chamber is at the same height as the second chamber (1.3) where the water outlet now occurs inferiorly directly through the valve (1.8) constituted by a weakening without previous conduit.
  • the lower valve (1.8) gives access to an intermediate chamber (1.2) of small dimensions that extends along the lower part where the assembly formed by the inlet (1.5) and outlet (1.6) filters is raised. the second intermediate chamber (1.3).
  • a collector that collects the liquid at its outlet to flow after its passage through a closure constituted by a weakening (1.9) in a final duct (1.7) in the form of hook used, along with another section also in the form of a hook, as supports of the device.
  • the set (1.3, 1.5, 1.6) mentioned is in this example arranged parallel to the water tank (1.1) formed by the first chamber (1.1). Since the height of the cup (2) is a dimension that establishes a limit on the height of the device and therefore on the storage capacity of the first chamber (1.1), one way to increase said capacity is to allow it to be extend laterally and cover the entire height as in this example, leaving the rest of the components at your side.
  • the rigid sheet (B) houses the different cavities and open ducts at the top (with respect to the position of the lateral representation of the Figure 4) such that the limits of such ducts and cavities is a horizontal plane.
  • This horizontal plane allows a cavity and ducts to be closed and filled with a flexible sheet (A) welded at the points of contact with the rigid sheet (B).
  • the first (1.1) chamber where the supply liquid is stored is observed.
  • the duct (1.1.1) extends through which it exits since in this way the output is produced by the lower part of the device when it is placed in an operative position, that is, the right part of the figure is the lower one .
  • This type of configuration also has a valve constituted by a weak weld (1.1.2) that ensures the exit of the liquid only when a predetermined pressure is reached.
  • the second intermediate chamber (1.3) is accessed, having not included more than the direct output (1.4) and its valve (1.4.1) formed by a weakened weld since this representation is only intended to be a scheme that explains how to configure this type of device with a rigid sheet (B) covered by another flexible (A).
  • the welding points will be those corresponding to the contact points of one (A) and another (B) sheet.
  • the weakening of the welding lines will be a way of constituting opening valves tared at a pressure value; and, interrupted welding lines will be particular ways of obtaining filters.
  • additional external elements such as a valve or a material that acts as a filter, this can be placed on the preformed rigid sheet (B) before welding the flexible sheet (A) leaving the external device (understood as not configured by welding) trapped between the sheets.
  • FIG. 5 A manufacturing scheme of this type of devices is shown in Figure 5: those configured from two flexible sheets.
  • This scheme shows two coils (Bl, B2) that feed the machine to configure the devices with two flexible sheets (Ll, L2).
  • the final device will consist of the union of these two sheets (Ll, L2) as described.
  • the sheets (Ll, L2) converge at a point that is fed superiorly by two ducts (Cl, C2), one (Cl) used in this example for liquid feed, for example water, and the second (C2) for the powder feed, for example ground coffee.
  • these ducts have means of resuscitation to prevent dripping or loss of dust respectively.
  • Figures 6a and 6b represent in section two additional examples of device constituted by the combination of a rigid and a flexible sheet, additionally configuring the vessel integrated in the same device.
  • FIG 6a shows a body constituted by the rigid sheet (Ll) in the form of a vessel (1.11) that has two recesses inferiorly: a first recess that once closed configures the reservoir (1.1) of the discharge liquid, in this case water, and a second inlet that also once closed configures the tank (1.3) of solid, in this case ground coffee.
  • both cavities (1.1, 1.3) is carried out inferiorly through the second flexible sheet (L2) so that the joint is established in a plane coinciding with the base support plane of the device.
  • the union is carried out by heat welding except in the connection line between cavities (1.1, 1.3) where a filter (1.5) is configured per weld along broken points.
  • the liquid reaches the tank (1.3) containing the ground coffee.
  • This same tank is provided in its upper part with a weakening in the rigid sheet (Ll) that opens when a certain degree of internal pressure is exceeded, allowing the coffee to leave the vessel (1.11). Coffee is indicated because it is the solid used as an example.
  • the vessel (1.11) has lateral notches (1.10) that close the passage to the various lateral cavities between the tanks (1.1, 1.3) preventing the entry of the liquid so that it remains on top.
  • the center zone there are cavities that are not protected or sealed. These cavities allow the different non-soluble particles to be introduced by decantation and thus not disturb.
  • Figure 6b is a variant in which the configuration has a central axis of revolution.
  • the line that configures the filter (1.5) has a circular configuration leaving the tank (1.3) in the center with the coffee and in the periphery the tank (1.1) with the water. The rest of the elements and their operation is equivalent.
  • the filling of the products and the water is produced inferiorly by subsequently covering with the flexible plastic sheet (L2) and heat-welding.

Abstract

The present invention relates to a disposable device for preparing coffee, infusions and the like, which dispenses with machines such as coffee makers or external resistance heaters. Its use consists in providing a cup on which the device is incorporated, both the device and the cup being placed in a microwave oven. As a result, the coffee or infusion, prepared and ready to drink, emerges from the device and pours into the inside of the cup. The method for producing the device is also a subject of the same invention.

Description

DISPOSITIVO DESECHABLE PARA LA PREPARACIÓN DE CAFÉ, INFUSIONES Y SIMILARES, MÉTODO DE FABRICACIÓN DE DICHO DISPOSABLE DEVICE FOR THE PREPARATION OF COFFEE, INFUSIONS AND SIMILAR, SAID MANUFACTURING METHOD
DISPOSITIVO Y USODEVICE AND USE
DESCRIPCIÓNDESCRIPTION
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente invención se refiere a un dispositi- vo desechable para la preparación de café, infusiones y similares especialmente adecuado para un uso individual. Este dispositivo prescinde de máquinas tales como cafeteras o calentadores de resistencias externos.The present invention relates to a disposable device for preparing coffee, infusions and the like especially suitable for individual use. This device dispenses with machines such as coffee makers or external resistance heaters.
Su uso principal consiste en disponer de una taza sobre la que se incorpora el dispositivo; y ambos, se introducen en un horno microondas . Como resultado, del dispositivo sale y se vierte en el interior de la taza el café o la infusión ya preparado y listo para to- mar.Its main use is to have a cup on which the device is incorporated; and both, they are introduced in a microwave oven. As a result, the coffee or infusion already prepared and ready to drink is poured out of the device and poured into the cup.
Según otro modo de ejecución de la invención el mismo dispositivo tiene un receptáculo que permite prescindir de la taza o similar y permite ser bebido en el mismo dispositivo.According to another embodiment of the invention the same device has a receptacle that allows dispensing with the cup or the like and allows it to be drunk in the same device.
Es también objeto de la misma invención el procedimiento de fabricación que permite la obtención del dispositivo. En este procedimiento se configuran reci- pientes plásticos en los que por medio de termosoldado, inducción, alta frecuencia, ultrasonidos, láser, u otros procedimientos de unión, se consigue configurar conductos, filtros, cámaras de almacenamiento, y medios de distribución que permiten que el dispositivo sea funcio- nal. ANTECEDENTES DE LA INVENCIÓNIt is also the object of the same invention the manufacturing process that allows obtaining the device. In this procedure plastic containers are configured in which by means of heat welding, induction, high frequency, ultrasound, laser, or other joining procedures, it is possible to configure ducts, filters, storage chambers, and distribution means that allow The device is functional. BACKGROUND OF THE INVENTION
Los procedimientos tradicionales de elaboración de café o de infusiones consisten en calentar agua y hacerla pasar por el producto deshidratado o molido como es el caso de las infusiones o del café. El agua caliente extrae las sustancias solubles y el liquido obtenido es el que se utiliza para ser tomado con azúcar, leche o simplemente solo.Traditional coffee or tea brewing procedures consist of heating water and passing it through the dehydrated or ground product, as in the case of infusions or coffee. The hot water extracts the soluble substances and the liquid obtained is the one that is used to be taken with sugar, milk or simply alone.
Cuando la producción de tazas individuales de café debe ser elevada como es el caso de un bar o un restaurante, el modo de elaboración se ve modificado para conseguir una producción importante y una adecuada calidad. En este caso hay una máquina que produce agua caliente o incluso vapor de agua a presión de tal modo que este fluido a presión es obligado a pasar a través de una cámara en la que se encuentra más o menos compac- tado el café, la infusión o la sustancia sólida de la que se quiere extraer los solubles.When the production of individual cups of coffee must be high, as in the case of a bar or restaurant, the mode of production is modified to achieve an important production and adequate quality. In this case there is a machine that produces hot water or even pressurized water vapor so that this pressurized fluid is forced to pass through a chamber in which the coffee is more or less compacted, the infusion or the solid substance from which the soluble ones are to be extracted.
En estos casos, la cámara más comúnmente utilizada está constituida por una cazoleta con mango que se llena y vacia fácilmente. Esta cazoleta dispone de un cierre de bayoneta para cerrar la cavidad rápidamente y poder a continuación inyectar el agua caliente o fluido utilizado a presión para la extracción de los solubles.In these cases, the most commonly used chamber consists of a bowl with handle that fills and empties easily. This bowl has a bayonet closure to close the cavity quickly and then be able to inject the hot water or fluid used under pressure to extract the soluble.
Además de este tipo de dispositivos, existen otros que tienen un campo de aplicación claro en centros de trabajo y algunos restaurantes basados en el uso de bolsas individuales de café o infusiones, o productos más elaborados por ejemplo con chocolate. Estas bolsas mantienen aislado el contenido del exterior por lo que ofrecen un grado de seguridad higiénica elevado. Una máquina es capaz de aportar el fluido a presión, usual- mente agua muy caliente, a través de una abertura presente o generada en el momento mediante una perforación del inyector.In addition to these types of devices, there are others that have a clear field of application in work centers and some restaurants based on the use of individual bags of coffee or infusions, or more elaborated products for example with chocolate. These bags keep the contents of the exterior isolated so They offer a high degree of hygienic safety. A machine is capable of supplying the pressurized fluid, usually very hot water, through an opening present or generated at the moment by drilling the injector.
Una segunda perforación es la que permite la salida del producto ya elaborado para ser posteriormente vertido en la taza del usuario. Es la máquina la que, al cerrar la cavidad donde se aloja la bolsa, lleva a cabo las perforaciones por incisión mediante un elemento o elementos cortantes como pueden ser, por ejemplo, los extremos de los conductos de inyección o salida.A second perforation is the one that allows the output of the product already prepared to be subsequently poured into the user's cup. It is the machine that, when closing the cavity where the bag is housed, carries out the perforations by incision by means of an element or cutting elements such as, for example, the ends of the injection or outlet ducts.
Se conoce la patente con número de publicaciónThe patent with publication number is known
ES2102034 en la que se describe un "sobre flexible cerrado y su procedimiento de fabricación". Este sobre contiene el material en polvo que permite hacer por ejemplo el café y está constituido por láminas soldadas entre si.ES2102034 describing a "closed flexible envelope and its manufacturing procedure". This envelope contains the powder material that makes it possible to make coffee, for example, and consists of sheets welded together.
La inyección del fluido caliente a presión es la que provoca que el sobre se abra y salga el fluido inyectado de extracción.The injection of the hot fluid under pressure is what causes the envelope to open and exit the injected extraction fluid.
Es del mismo solicitante la patente con número de publicación ES2166181. En esta patente se describe un saquito cerrado dispuesto para la extracción a presión en el que es innecesario garantizar el cierre her- mético en toda la periferia en el momento de la extracción haciendo posible evitar la perforación de una de las dos láminas flexibles.The patent with publication number ES2166181 is from the same applicant. This patent describes a closed bag arranged for pressure extraction in which it is unnecessary to guarantee the hermetic closure on the entire periphery at the time of extraction, making it possible to prevent the perforation of one of the two flexible sheets.
Su reivindicación principal incluye por tanto la presencia de un canal que permite la llegada del fluido - A - de extracción, siendo dicho canal sustancialmente perpendicular a la linea de soldadura en la que emerge.Its main claim therefore includes the presence of a channel that allows the arrival of the fluid - A - extraction, said channel being substantially perpendicular to the welding line in which it emerges.
En todos los casos la invención contempla la in- yección del fluido de extracción mediante una máquina que aporta la presión necesaria. En esta misma patente se indica textualmente: "En una u otra alternativa, lo importante es que, en el saquito conforme a la invención, dicho saquito no se abra introduciendo la aguja o el elemento puntiagudo hasta el punto de romper la soldadura que cierra dicho saquito, sino que sea el agua presionizada (sometida a presión) la que inicie y abra completamente dicha soldadura del saquito para permitir la entrada del liquido de extracción" .In all cases the invention contemplates the injection of the extraction fluid by means of a machine that provides the necessary pressure. In this same patent it is stated verbatim: "In one or another alternative, the important thing is that, in the bag according to the invention, said bag does not open by inserting the needle or the pointed element to the point of breaking the weld that closes said bag, but it is the pressurized water (under pressure) that initiates and completely opens said welding of the bag to allow the entry of the extraction liquid ".
En la presente invención, no es necesario el uso de máquinas externas que provean de un liquido de extracción a presión.In the present invention, it is not necessary to use external machines that provide a pressure extraction liquid.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
El hecho de que el dispositivo de la presente invención no requiera de una máquina que aporte la presión suficiente sobre el liquido de extracción se debe a que el mismo dispositivo incorpora el liquido de extracción y es el calentamiento producido por un horno micro- ondas el que proporciona la presión necesaria para llevar a cabo un procedimiento integral de extracción o bien sobre café o bien sobre material deshidratado para la obtención de una infusión.The fact that the device of the present invention does not require a machine that provides sufficient pressure on the extraction liquid is because the same device incorporates the extraction liquid and it is the heating produced by a microwave oven that it provides the necessary pressure to carry out an integral extraction procedure either on coffee or on dehydrated material to obtain an infusion.
El dispositivo consiste básicamente en dos láminas plásticas, rígidas o flexibles, unidas entre si por termosoldado, inducción, alta frecuencia, ultrasonidos, láser, u otros procedimientos de unión, configurando ca- vidades y distintos componentes que se describirán más adelante .The device basically consists of two plastic sheets, rigid or flexible, joined together by heat welding, induction, high frequency, ultrasound, laser, or other joining procedures, setting up vities and different components that will be described later.
Si las dos láminas son de plástico rígido, es posible constituir al menos dos piezas unidas por termo- soldado, a lo largo de una linea adecuadamente elegida, que dan lugar a un cuerpo tridimensional como puede ser por ejemplo un vaso con un depósito interno. En este caso es posible incorporar láminas adicionales que da- rian lugar a más cámaras y pasos de comunicación.If the two sheets are made of rigid plastic, it is possible to constitute at least two pieces joined by thermo-welding, along a suitably chosen line, which give rise to a three-dimensional body such as for example a vessel with an internal reservoir. In this case it is possible to incorporate additional sheets that would result in more cameras and communication steps.
En el caso de utilizar un plástico rígido en una de las láminas, las cámaras se configuran esencialmente en este plástico rígido y se cubre con una lámina flexi- ble termosoldada a lo largo de lineas de unión perime- tral y otras .In the case of using a rigid plastic in one of the sheets, the chambers are essentially configured in this rigid plastic and covered with a flexible heat-welded sheet along perimeter and other joining lines.
Cuando las dos láminas son flexibles, las cámaras quedan configuradas por las lineas de termosoldado . Cuando se dice termosoldado es a modo de ejemplo y se entiende que es válido cualquier procedimiento de unión citado tal como inducción, alta frecuencia, ultrasonidos o láser entre otros.When the two sheets are flexible, the chambers are configured by the heat welding lines. When it is said heat-welded it is by way of example and it is understood that any mentioned joining procedure such as induction, high frequency, ultrasound or laser among others is valid.
También es posible que una y otra lámina sean rígidas por lo que las cavidades pueden quedar reproducidas en una, en las dos o alternar en una y otra según diseño .It is also possible that both sheets are rigid so that the cavities can be reproduced in one, in the two or alternate in one and the other according to design.
En este dispositivo al menos debe estar presente una primera cámara destinada a albergar el liquido de extracción, habitualmente agua. Esta primera cámara comunica con una segunda cámara separada por una válvula constituida por una linea de debilitamiento que cede ante la presión. En la segunda cámara se encuentra la sustancia de la que se quiere extraer su contenido mediante el liquido de extracción: el café, las plantas deshidratadas para la obtención de una infusión u otras más elaboradas, por ejemplo con contenido en chocolate y que también requieren del paso de un liquido de extracción.At least one first chamber must be present in this device to house the extraction liquid, usually water. This first chamber communicates with a second chamber separated by a valve consisting of a weakening line that yields to pressure. In the second chamber is the substance from which its content is to be extracted by means of the extraction liquid: coffee, dehydrated plants to obtain an infusion or other more elaborate ones, for example with chocolate content and which also require passage of an extraction liquid.
Esta segunda cámara puede comunicar con más cá- maras dispuestas tras ella para aportar elementos adicionales tales como leche, bien liquida bien sólida, o desembocar directamente en un canal de salida que acaba en el interior de la taza o vaso.This second chamber can communicate with more cameras arranged behind it to provide additional elements such as milk, either very solid liquid, or flow directly into an outlet channel that ends inside the cup or glass.
Este dispositivo ésta concebido para situarse adosado al vaso o taza, preferentemente colgado del borde por la parte exterior o interior, de tal forma que el vaso junto al dispositivo se introducen en el microon- das .This device is designed to be attached to the vessel or cup, preferably hung from the edge by the outer or inner part, so that the vessel next to the device is inserted into the microwave.
La radiación microondas lleva a punto de ebullición el que hasta ahora se ha llamado liquido de extracción, por ejemplo agua, de tal modo que en la cámara donde está almacenado se incrementa la presión. Esta presión vence la resistencia de la válvula que mantiene cerrada la cámara y permite su salida a la segunda cámara, la que tiene la sustancia tal como el café molido o las plantas de infusión.Microwave radiation brings to the boiling point what has so far been called extraction liquid, for example water, so that in the chamber where it is stored the pressure is increased. This pressure overcomes the resistance of the valve that keeps the chamber closed and allows its exit to the second chamber, which has the substance such as ground coffee or infusion plants.
Esta comunicación puede llevarse a cabo mediante una cámara intermedia delimitada por un lado por la válvula de acceso al liquido de extracción y por el otro a un filtro. Este filtro puede estar configurado mediante el termosoldado sin más que aplicar puntos de soldadura puntuales dejando a modo de rejilla pasos o canales es- trechos .This communication can be carried out by means of an intermediate chamber delimited on the one hand by the access valve to the extraction liquid and on the other by a filter. This filter can be configured by means of heat-welding with no more than applying specific welding points, leaving steps or channels as a grid. stretches
Este filtro, además de impedir el paso de la sustancia en grano o molida como es el café o las plan- tas de infusión hacia atrás, favorece que el liquido de extracción caliente entre a lo largo de una linea de paso y no a través de un punto de tal modo que el liquido pasa de forma homogénea por todo el contenido sólido sin dejar zonas que al estar compactadas pudiesen inclu- so quedar sin ni siquiera humedecer.This filter, in addition to preventing the passage of the grain or ground substance such as coffee or the infusion plants backwards, favors that the hot extraction liquid enters along a passage line and not through a point in such a way that the liquid passes homogeneously through all the solid content without leaving areas that when compacted could even be left without even moistening.
Un filtro similar se dispone al final de la cámara segunda para que únicamente salga el café, la infusión, o el producto objetivo, ya hecho y sin partículas.A similar filter is arranged at the end of the second chamber so that only the coffee, the infusion, or the target product, already made and without particles, comes out.
Tras esta cámara segunda se sitúa un canal de comunicación que puede partir de una cámara colectora que desemboca en la taza o vaso.Behind this second chamber is a communication channel that can start from a collection chamber that flows into the cup or glass.
Antes de su salida, es posible incorporar cámaras adicionales que incorporen sustancias o sabores adicionales sin que estas cámaras adicionales afecten a la invención .Before leaving, it is possible to incorporate additional chambers that incorporate additional substances or flavors without these additional chambers affecting the invention.
La disposición secuencial de estas cámaras, válvulas y filtros no implica que espacialmente se deban de situar una tras otra linealmente sino que pueden quedar organizadas en paralelo con tal de que el acceso y paso del liquido las alcance. Este es el caso de concebir una cámara segunda que a su vez esté dividida en dos subcámaras dispuestas paralelas, por ejemplo para mantener separadas dos sustancias tales como café y chocolate que dan lugar a extracciones en paralelo y que convergen en el canal de salida. No obstante, ejemplos de realiza- ción se incluyen en la exposición detallada de la inven- cion .The sequential arrangement of these chambers, valves and filters does not imply that spatially they should be placed one after the other linearly but that they can be organized in parallel as long as the access and passage of the liquid reaches them. This is the case of conceiving a second chamber that in turn is divided into two subchambers arranged parallel, for example to keep two substances such as coffee and chocolate separated that give rise to parallel extractions and converge in the exit channel. However, examples of realization are included in the detailed presentation of the invention. cion.
Respecto del método de fabricación del dispositivo, éste se basa en el termosoldado de dos láminas plásticas a lo largo de lineas y puntos . Una cámara queda definida por una linea de soldadura cerrada que une las dos láminas.Regarding the method of manufacturing the device, it is based on the welding of two plastic sheets along lines and points. A chamber is defined by a closed welding line that joins the two sheets.
Estas láminas plásticas pueden incorporar dispo- sitivos adicionales constituidos por elementos externos y no por soldado tales como válvulas, filtros o perforaciones de comunicación.These plastic sheets can incorporate additional devices consisting of external elements and not by welding such as valves, filters or communication perforations.
Cuando alguna de las láminas es flexible, es po- sible integrar en la propia soldadura este tipo de dispositivos. En un punto de la linea de soldadura se puede evitar la unión estableciendo un punto de comunicación. Si este paso es amplio constituye un canal de paso. Si es angosto, puede permitir el paso de liquido pero no de partículas de un tamaño menor. En este caso, una alineación de canales de paso angosto constituidos por puntos donde no se produce la soldadura constituyen un filtro.When any of the sheets is flexible, it is possible to integrate this type of device into the welding itself. At one point of the welding line, the union can be avoided by establishing a communication point. If this step is wide it constitutes a passage channel. If it is narrow, it can allow the passage of liquid but not particles of a smaller size. In this case, an alignment of narrow pass channels consisting of points where welding does not occur constitutes a filter.
Igualmente, es posible llevar a cabo soldaduras con un tramo que ofrece una resistencia acotada y definida por debajo de un valor predeterminado.Likewise, it is possible to carry out welds with a section that offers a bounded and defined resistance below a predetermined value.
En este caso, el tramo debilitado con una solda- dura de esta naturaleza se comporta como una válvula que cede ante un valor de la presión interna superior al admisible .In this case, the section weakened with a weld of this nature behaves like a valve that yields to a value of internal pressure greater than the permissible.
Cuando una de las láminas es rígida, las cámaras pueden estar configuradas en ella al menos en la mayor superficie que la delimita de tal modo que bastará con cubrirla con una lámina dispuesta según un plano y unida por termosoldado en los puntos o lineas de contacto para que se queden completadas definitivamente configuradas dichas cámaras .When one of the sheets is rigid, the cameras can be configured in it at least in the largest surface that delimits it in such a way that it will be enough to cover it with a sheet arranged according to a plane and joined by heat-welding at the points or lines of contact so that said chambers are definitively completed.
Cuando las dos láminas son flexibles, la forma más sencilla de configurar las distintas cámaras es la de aplicar el termosoldado según lineas y puntos que van definiendo las fronteras de canales y cámaras.When the two sheets are flexible, the easiest way to configure the different cameras is to apply the heat welding according to lines and points that define the boundaries of channels and cameras.
Este último caso es el que permite con mayor facilidad integrar los filtros, válvulas y canales sin más que definir lineas de soldadura más o menos fuertes o interrumpidas para constituirlos.This last case is the one that allows the filters, valves and channels to be integrated more easily without defining more or less strong or interrupted welding lines to constitute them.
No obstante, es posible incorporar materiales intermedios atrapados entre las dos láminas en el momento del termosoldado para incorporar los mismos disposi- tivos . Por ejemplo, bastará con intercalar un material plástico espumado entre las dos láminas configurando una cámara con un canal de entrada y otro de salida para disponer de un filtro fino.However, it is possible to incorporate intermediate materials trapped between the two sheets at the time of welding to incorporate the same devices. For example, it will be enough to insert a foamed plastic material between the two sheets by configuring a chamber with an inlet and an outlet channel to have a fine filter.
Cuando se hace uso de dos láminas flexibles el procedimiento de llenado puede ser como se describe a continuación. Cada una de las láminas proviene del desbobinado de una bobina diferente. Una y otra lámina converge hasta situarse paralelas ya que tras la unión cada una de ellas constituye una cara del dispositivo final. Antes de unirse, existen alimentadores de liquido y polvo que suministran dichos componentes en el punto donde se sellan las láminas siendo adecuado incorporar medios de reaspiración para impedir que las láminas se manchen por goteo o pérdida de polvo dificultando la soldadura .When using two flexible sheets, the filling procedure can be as described below. Each of the sheets comes from the unwinding of a different coil. Both sheets converge until they are parallel since after joining each of them constitutes a face of the final device. Before joining, there are liquid and powder feeders that supply said components at the point where the sheets are sealed, it being appropriate to incorporate resuscitation means to prevent the sheets from staining by dripping or loss of dust making it difficult to welding .
Cuando se hace uso por ejemplo de filtros externos, éstos pueden incorporar un adhesivo de tal modo que son incorporados mediante máquinas etiquetadoras . Las posiciones que adoptarán serán las adecuadas conforme los rodillos selladores con la configuración del dispositivo para que se coloquen en el lugar oportuno.When use is made, for example, of external filters, they can incorporate an adhesive in such a way that they are incorporated by means of labeling machines. The positions they will adopt will be appropriate according to the sealing rollers with the configuration of the device so that they are placed in the right place.
Estos mismos rodillos selladores incorporan las cuchillas de separación de cada dispositivo rechazando el material sobrante.These same sealing rollers incorporate the separation blades of each device rejecting the excess material.
DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS
Se complementa la presente memoria descriptiva, con un juego de planos, ilustrativos del ejemplo preferente y nunca limitativos de la invención.The present specification is complemented, with a set of drawings, illustrative of the preferred example and never limiting of the invention.
La figura 1 es un ejemplo de realización que representa un dispositivo de configuración sencilla situado esquemáticamente en el borde de una taza.Figure 1 is an exemplary embodiment depicting a simple configuration device schematically located on the edge of a cup.
La figura 2 es un segundo ejemplo de realización con dos salidas que sirve para disponer de dos medios de fijación a modo de ganchos sobre el borde de la taza.Figure 2 is a second embodiment with two outlets that serves to have two fastening means by way of hooks on the edge of the cup.
La figura 3 es un tercer ejemplo de realización que dispone de distintas cámaras en orden secuencial respecto al paso del liquido pero en disposición espacial distinta.Figure 3 is a third embodiment which has different chambers in sequential order with respect to the passage of the liquid but in a different spatial arrangement.
La figura 4 es un cuarto ejemplo de realización en el que se muestra un dispositivo constituido por una lámina rígida que ampara los distintos conductos y cavi- dades recubierta por una segunda lámina flexible.Figure 4 is a fourth embodiment in which a device consisting of a rigid sheet that covers the different ducts and cavi- is shown. dades covered by a second flexible sheet.
La figura 5 muestra un esquema de fabricación de los dispositivos constituidos por dos láminas flexibles.Figure 5 shows a manufacturing scheme of the devices consisting of two flexible sheets.
Las figuras 6a y 6b muestran secciones de dispositivos constituidos por una lámina rígida y otra flexible que además integran el vaso en el mismo dispositivo.Figures 6a and 6b show sections of devices consisting of a rigid and a flexible sheet that also integrate the vessel into the same device.
DESCRIPCIÓN DETALLADA DE LA INVENCIÓNDETAILED DESCRIPTION OF THE INVENTION
En este apartado se van a describir algunos ejemplos de cómo llevar a cabo la invención sin que tales ejemplos sean el único modo de ejecución.In this section some examples of how to carry out the invention will be described without such examples being the only mode of execution.
La figura 1 muestra un primer ejemplo de realización consistente en un dispositivo (1) fabricado a partir de dos láminas flexibles termosoldadas a través de diversas lineas adecuadamente elegidas. El dispositi- vo se encuentra colgado del borde de una taza (2) en su posición de uso para ser introducidos ambos (1, 2) en un horno microondas .Figure 1 shows a first exemplary embodiment consisting of a device (1) manufactured from two flexible heat-welded sheets through various suitably chosen lines. The device is hung from the edge of a cup (2) in its use position to be introduced both (1, 2) in a microwave oven.
Estas lineas de termosoldado se prolongan esen- cialmente a través del borde perimetral asi como en lineas internas configurando distintas cámaras y canales de conducción.These heat-welding lines extend essentially through the perimeter edge as well as in internal lines, configuring different chambers and conduction channels.
La primera cámara configurada es una prime- ra (1.1) mostrada en la parte inferior destinada a almacenar el liquido de extracción que en este ejemplo es agua. Esta cámara primera (1.1) tiene un conducto (1.1.1) definido mediante dos lineas de soldadura esencialmente paralelas de salida del agua. Este con- ducto asegurará el vaciado de la primera cámara (1.1) ya que en su posición operativa de uso la acción de la gravedad tiende a desplazar el liquido a la parte inferior cuando también hay una fase gaseosa.The first chamber configured is a first (1.1) shown in the lower part intended to store the extraction liquid which in this example is water. This first chamber (1.1) has a conduit (1.1.1) defined by two essentially parallel welding lines of water outlet. This duct will ensure the emptying of the first chamber (1.1) and that in its operative position of use the action of gravity tends to move the liquid to the bottom when there is also a gas phase.
Dado que el uso del dispositivo comprende la introducción en un horno microondas del dispositivo (1), junto con la taza (2) puesto que en este ejemplo particular no incorpora su propio receptáculo, la acción de las microondas sobre el agua es la de calentar el liqui- do hasta el punto de ebullición generando una presión creciente que alcanza un cierto valor predeterminado.Since the use of the device comprises the introduction into a microwave oven of the device (1), together with the cup (2) since in this particular example it does not incorporate its own receptacle, the action of the microwaves on the water is to heat the liquid to the boiling point generating an increasing pressure that reaches a certain predetermined value.
En la parte superior del canal o conducto (1.1.1) de salida del agua se dispone una válvu- la (1.8) formada mediante una linea de soldadura más débil que las empleadas para formar el conducto (1.1.1) y los limites de las cámaras.In the upper part of the water outlet channel (1.1.1) there is a valve (1.8) formed by a weaker welding line than those used to form the conduit (1.1.1) and the limits of the cameras.
La resistencia de esta linea de soldadura debe estar calibrada en un rango que permita su rotura cuando, el agua en este caso, alcanza la ebullición. Es en este momento cuando el agua caliente supera la barrera establecida por la válvula (1.8) para alcanzar una cámara intermedia (1.2). Sobre esta cámara intermedia se en- cuentra definida una linea de puntos de soldadura distribuidos espacialmente dando lugar a un filtro (1.5) de entrada .The resistance of this welding line must be calibrated in a range that allows it to break when the water in this case reaches the boil. It is at this time when the hot water exceeds the barrier established by the valve (1.8) to reach an intermediate chamber (1.2). On this intermediate chamber a line of spatially distributed welding points is defined giving rise to an input filter (1.5).
La cámara (1.2) intermedia permite que el agua caliente tenga acceso a toda la longitud de la linea de filtro (1.5) de entrada. Esta linea de filtro (1.5) de entrada impide el paso de las partículas del café, infusión u otras sustancias sólidas situadas en la cámara (1.3) segunda. En esta cámara (1.3) segunda es donde se produce la extracción de las sustancias solubles por el paso del agua caliente a través del café molido, las plantas de infusión, el chocolate, o el producto para el que esté destinado el uso de este dispositivo.The intermediate chamber (1.2) allows hot water to access the entire length of the inlet filter line (1.5). This inlet filter line (1.5) prevents the passage of coffee particles, infusion or other solid substances located in the second chamber (1.3). In this second chamber (1.3) is where the extraction of soluble substances occurs by the passage of hot water through ground coffee, infusion plants, chocolate, or the product for which the use of this device is intended.
La cámara (1.3) segunda donde se encuentra almacenado el producto sólido está limitado superiormente por un filtro (1.6) de salida. Es entre los filtros de entrada (1.5) y salida (1.6) donde queda confinado el producto sólido.The second chamber (1.3) where the solid product is stored is superiorly limited by an outlet filter (1.6). It is between the inlet (1.5) and outlet (1.6) filters where the solid product is confined.
La salida del producto liquido se recoge en un colector (1.4) que desemboca en un conducto (1.7) final de salida tras superar una válvula (1.9) constituida por una linea de debilitamiento que impide la evaporación del aroma del café o la entrada de impurezas.The output of the liquid product is collected in a manifold (1.4) that flows into a final outlet duct (1.7) after overcoming a valve (1.9) constituted by a weakening line that prevents evaporation of coffee aroma or the entry of impurities .
Este conducto (1.7) final de salida está configurado a modo de gancho llevando a cabo también la función de sujeción del dispositivo. Con esta sujeción se asegura el soporte en la taza (2) de un modo rápido y que el producto liquido entre en el interior de la taza (2) .This final exit duct (1.7) is configured as a hook, also carrying out the function of holding the device. With this support, the support in the cup (2) is secured quickly and that the liquid product enters the inside of the cup (2).
La figura 2 es un segundo ejemplo de realización de la invención en el que se duplica el conducto (1.7) de salida dando lugar a un doble soporte que hace más estable la fijación en el borde de la taza (2) .Figure 2 is a second embodiment of the invention in which the outlet duct (1.7) is duplicated giving rise to a double support that makes the fixation on the edge of the cup (2) more stable.
La figura 3 es un tercer ejemplo de realización de la invención en el que, aunque las etapas por las que pasa el liquido se encuentran en la misma secuencia, es- pacialmente se encuentran distribuidas de otra forma.Figure 3 is a third embodiment of the invention in which, although the steps through which the liquid passes are in the same sequence, they are partially distributed in another way.
La primera (1.1) cámara se encuentra a la misma altura que la cámara (1.3) segunda donde ahora la salida del agua se produce inferiormente directamente a través de la válvula (1.8) constituida por un debilitamiento sin conducto previo.The first (1.1) chamber is at the same height as the second chamber (1.3) where the water outlet now occurs inferiorly directly through the valve (1.8) constituted by a weakening without previous conduit.
La válvula (1.8) inferior da acceso a una cáma- ra (1.2) intermedia de reducidas dimensiones que se prolonga a lo largo de la parte inferior donde se alza el conjunto formado por los filtros de entrada (1.5) y salida (1.6) con la cámara (1.3) segunda intermedia.The lower valve (1.8) gives access to an intermediate chamber (1.2) of small dimensions that extends along the lower part where the assembly formed by the inlet (1.5) and outlet (1.6) filters is raised. the second intermediate chamber (1.3).
Sobre este mismo conjunto (1.3, 1.5, 1.6) se encuentra un colector (1.4) que recoge el liquido a su salida para desembocar tras su paso por un cierre constituido por un debilitamiento (1.9) en un conducto (1.7) final en forma de gancho empleado, junto a otro tramo también en forma de gancho, como soportes del dispositivo .On this same set (1.3, 1.5, 1.6) is a collector (1.4) that collects the liquid at its outlet to flow after its passage through a closure constituted by a weakening (1.9) in a final duct (1.7) in the form of hook used, along with another section also in the form of a hook, as supports of the device.
El conjunto (1.3, 1.5, 1.6) citado se encuentra en este ejemplo dispuesto paralelo al depósito (1.1) de agua formado por la cámara (1.1) primera. Dado que la altura de la taza (2) es una cota que establece un limite en la altura del dispositivo y por lo tanto en la capacidad de almacenamiento de la cámara (1.1) primera, un modo de incrementar dicha capacidad consiste en permitir que se extienda lateralmente y que cubra la totalidad de la altura como ocurre en este ejemplo dejando a su lado el resto de componentes.The set (1.3, 1.5, 1.6) mentioned is in this example arranged parallel to the water tank (1.1) formed by the first chamber (1.1). Since the height of the cup (2) is a dimension that establishes a limit on the height of the device and therefore on the storage capacity of the first chamber (1.1), one way to increase said capacity is to allow it to be extend laterally and cover the entire height as in this example, leaving the rest of the components at your side.
En la figura 4 se muestra otro ejemplo de reali- zación de la invención en el que una lámina (B) es rigi- da y la otra (A) flexible.In Figure 4, another embodiment of the invention is shown in which one sheet (B) is rigid and the other (A) flexible.
La lámina (B) rígida alberga las distintas cavidades y conductos abiertos por la parte superior (res- pecto a la posición de la representación lateral de la figura 4) de tal modo que los limites de tales conductos y cavidades es un plano horizontal. Este plano horizontal permite que con una lámina (A) flexible soldada en los puntos de contacto con la lámina (B) rigida se cie- rren y completen cavidades y conductos.The rigid sheet (B) houses the different cavities and open ducts at the top (with respect to the position of the lateral representation of the Figure 4) such that the limits of such ducts and cavities is a horizontal plane. This horizontal plane allows a cavity and ducts to be closed and filled with a flexible sheet (A) welded at the points of contact with the rigid sheet (B).
En particular, a la derecha se observa la primera (1.1) cámara donde se almacena el liquido de impulsión. En un lateral se extiende el conducto (1.1.1) por el que sale ya que de este modo la salida se produce por la parte inferior del dispositivo cuando se sitúa en posición operativa, esta es, la parte derecha de la figura es la inferior. Este tipo de configuración también tiene una válvula constituida por una soldadura (1.1.2) debi- litada que asegura la salida del liquido únicamente cuando se alcanza una presión predeterminada.In particular, on the right, the first (1.1) chamber where the supply liquid is stored is observed. On one side the duct (1.1.1) extends through which it exits since in this way the output is produced by the lower part of the device when it is placed in an operative position, that is, the right part of the figure is the lower one . This type of configuration also has a valve constituted by a weak weld (1.1.2) that ensures the exit of the liquid only when a predetermined pressure is reached.
A través de un filtro (1.5) se accede a la cámara (1.3) segunda intermedia no habiendo incluido más que la salida directa (1.4) y su válvula (1.4.1) formada por una soldadura debilitada ya que esta representación únicamente pretende ser un esquema que explique el modo de configurar este tipo de dispositivos con una lámina (B) rigida cubierta por otra (A) flexible.Through a filter (1.5) the second intermediate chamber (1.3) is accessed, having not included more than the direct output (1.4) and its valve (1.4.1) formed by a weakened weld since this representation is only intended to be a scheme that explains how to configure this type of device with a rigid sheet (B) covered by another flexible (A).
En el procedimiento de fabricación de este tipo de modos de ejecutar la invención los puntos de soldadura serán los correspondientes a los puntos de contacto de una (A) y otra (B) lámina.In the manufacturing process of this type of ways of executing the invention the welding points will be those corresponding to the contact points of one (A) and another (B) sheet.
Igualmente, el debilitamiento de las lineas de soldadura será un modo de constituir válvulas de apertura taradas a un valor de presión; y, lineas interrumpidas de soldadura serán modos particulares de conseguir filtros. En el caso de querer incluir elementos externos adicionales tales como una válvula o un material que actúe como filtro, este se puede situar sobre la lámi- na (B) rígida preformada antes de soldar la lámina (A) flexible dejando el dispositivo externo (entendido como no configurado mediante soldadura) atrapado entre las láminas .Likewise, the weakening of the welding lines will be a way of constituting opening valves tared at a pressure value; and, interrupted welding lines will be particular ways of obtaining filters. In the case of wanting to include additional external elements such as a valve or a material that acts as a filter, this can be placed on the preformed rigid sheet (B) before welding the flexible sheet (A) leaving the external device (understood as not configured by welding) trapped between the sheets.
En la figura 5 se muestra un esquema de fabricación de este tipo de dispositivos: los configurados a partir de dos láminas flexibles.A manufacturing scheme of this type of devices is shown in Figure 5: those configured from two flexible sheets.
En este esquema se observan dos bobinas (Bl, B2) que alimentan la máquina de configurar los dispositivos con dos láminas (Ll, L2) flexibles. El dispositivo final estará constituido por la unión de estas dos láminas (Ll, L2) según se ha descrito.This scheme shows two coils (Bl, B2) that feed the machine to configure the devices with two flexible sheets (Ll, L2). The final device will consist of the union of these two sheets (Ll, L2) as described.
Las láminas (Ll, L2) convergen en un punto que es alimentado superiormente por dos conductos (Cl, C2), uno (Cl) empleado en este ejemplo para la alimentación de liquido, por ejemplo agua, y el segundo (C2) para la alimentación de polvo, por ejemplo café molido. Estos conductos disponen en este ejemplo de medios de reaspiración para evitar el goteo o la pérdida de polvo respectivamente .The sheets (Ll, L2) converge at a point that is fed superiorly by two ducts (Cl, C2), one (Cl) used in this example for liquid feed, for example water, and the second (C2) for the powder feed, for example ground coffee. In this example, these ducts have means of resuscitation to prevent dripping or loss of dust respectively.
Estos productos caen directamente en las cavida- des que se forman entre los rodillos (Sl, S2) selladores antes de que estas se cierren. En progreso de los rodillos (Sl, S2) de sellado hace que tras la incorporación de los productos se termine el sellado dejando atrapados los componentes en las cavidades formadas. En esta misma representación se incorpora una tercera bobina (B3) con filtros (F) que incorporan un adhesivo. Estos filtros (F) se adhieren en una de las láminas (L2) en posiciones adecuadas para que una vez cerrado el dispositivo en los rodillos (Sl, S2) de sellado constituya un elemento de filtrado entre las cavidades que debe comunicar.These products fall directly into the cavities that form between the rollers (Sl, S2) sealants before they close. In progress of the sealing rollers (Sl, S2) means that after the incorporation of the products the sealing is finished leaving the components trapped in the formed cavities. In this same representation a third coil (B3) with filters (F) incorporating an adhesive is incorporated. These filters (F) adhere in one of the sheets (L2) in suitable positions so that once the device is closed in the sealing rollers (Sl, S2) it constitutes a filtering element between the cavities that it must communicate.
Las figuras 6a y 6b representan en sección dos ejemplos adicionales de dispositivo constituidos por la combinación de una lámina rígida y otra flexible configurando adicionalmente el vaso integrado en el mismo dispositivo .Figures 6a and 6b represent in section two additional examples of device constituted by the combination of a rigid and a flexible sheet, additionally configuring the vessel integrated in the same device.
En la figura 6a muestra un cuerpo constituido por la lámina (Ll) rígida en forma de vaso (1.11) que dispone inferiormente de dos entrantes: un primer entrante que una vez cerrado configura el depósito (1.1) del liquido de impulsión, en este caso agua, y un segun- do entrante que también una vez cerrado configura el depósito (1.3) de sólido, en este caso café molido.In figure 6a it shows a body constituted by the rigid sheet (Ll) in the form of a vessel (1.11) that has two recesses inferiorly: a first recess that once closed configures the reservoir (1.1) of the discharge liquid, in this case water, and a second inlet that also once closed configures the tank (1.3) of solid, in this case ground coffee.
El cerrado de ambas cavidades (1.1, 1.3) se lleva a cabo inferiormente a través de la segunda lámi- na (L2) flexible de modo que la unión se establece en un plano coincidente con el plano base de apoyo del dispositivo .The closure of both cavities (1.1, 1.3) is carried out inferiorly through the second flexible sheet (L2) so that the joint is established in a plane coinciding with the base support plane of the device.
La unión se lleva a cabo por termosoldado salvo en la linea de conexión entre cavidades (1.1, 1.3) donde se configura un filtro (1.5) por soldado a lo largo de puntos discontinuos.The union is carried out by heat welding except in the connection line between cavities (1.1, 1.3) where a filter (1.5) is configured per weld along broken points.
El incremento de presión rompe los debilitamien- tos de esta soldadura de forma que sigue actuando como filtro pero permite el paso. De algún modo integra la función de válvula y de filtro.The increase in pressure breaks the weakening of this weld so that it continues to act as filter but allows the passage. It somehow integrates the valve and filter function.
Una vez superado el filtro (1.5), el liquido al- canza el depósito (1.3) que contiene el café molido.Once the filter (1.5) is exceeded, the liquid reaches the tank (1.3) containing the ground coffee.
Este mismo depósito está provisto en su parte superior de un debilitamiento en la lámina (Ll) rígida que se abre cuando se supera cierto grado de presión interna permitiendo que el café salga al vaso (1.11) . Se indica café porque es el sólido empleado a modo de ejemplo.This same tank is provided in its upper part with a weakening in the rigid sheet (Ll) that opens when a certain degree of internal pressure is exceeded, allowing the coffee to leave the vessel (1.11). Coffee is indicated because it is the solid used as an example.
En la configuración se observa que el vaso (1.11) dispone de unas entalladuras (1.10) laterales que cierran el paso a las diversas cavidades latera- les que hay entre los depósitos (1.1, 1.3) evitando la entrada del liquido para que éste se quede en la parte superior. Por otra parte, en la zona centrar hay cavidades que no son protegidas o selladas. Estas cavidades permiten que las distintas partículas no solubles se in- troduzcan cayendo por decantación y que asi no molesten.In the configuration it is observed that the vessel (1.11) has lateral notches (1.10) that close the passage to the various lateral cavities between the tanks (1.1, 1.3) preventing the entry of the liquid so that it remains on top. On the other hand, in the center zone there are cavities that are not protected or sealed. These cavities allow the different non-soluble particles to be introduced by decantation and thus not disturb.
La figura 6b es una variante en el que la configuración presenta un eje central de revolución. De este modo la linea que configura el filtro (1.5) tiene confi- guración circular dejando en el centro el depósito (1.3) con el café y en la periferia el depósito (1.1) con el agua. El resto de los elementos y su funcionamiento es equivalente .Figure 6b is a variant in which the configuration has a central axis of revolution. In this way the line that configures the filter (1.5) has a circular configuration leaving the tank (1.3) in the center with the coffee and in the periphery the tank (1.1) with the water. The rest of the elements and their operation is equivalent.
En estos dos ejemplos el llenado de los productos y el agua se produce inferiormente cubriendo posteriormente con la lámina (L2) plástica flexible y termo- soldando.In these two examples, the filling of the products and the water is produced inferiorly by subsequently covering with the flexible plastic sheet (L2) and heat-welding.
En esta configuración no es necesaria una taza adicional sino que una vez introducido el dispositivo en el horno microondas y obtenido el producto elaborado, éste queda en el vaso (1.11) y puede ser bebido directamente . In this configuration a cup is not necessary In addition, once the device has been introduced in the microwave oven and the product produced is obtained, it is left in the glass (1.11) and can be drunk directly.

Claims

REIVINDICACIONES
Ia.- Dispositivo desechable para la preparación de café, infusiones y similares caracterizado por estar consti- tuido por dos láminas unidas constituyendo cavidades internas, conductos y filtros caracterizado porque uno de los depósitos es la cámara (1.1) primera que alberga el liquido que servirá de medio de impulsión una vez alcanzada la temperatura de ebullición.I a .- Disposable device for the preparation of coffee, infusions and the like characterized by being constituted by two joined sheets constituting internal cavities, ducts and filters characterized in that one of the tanks is the first chamber (1.1) that houses the liquid that It will serve as a driving medium once the boiling temperature has been reached.
2a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 caracterizado porque el liquido de impulsión es agua.2 .- Disposable device for preparing coffee, infusions and the like according to claim 1 wherein the liquid is water drive.
3a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 caracterizado porque la salida de la cámara primera (1.1) dispone de una válvula (1.8) que se abre una vez alcanzada una presión predeterminada.3 .- Disposable device for preparing coffee, infusions and the like according to claim 1 characterized in that the output of the first chamber (1.1) has a valve (1.8) which opens after reaching a predetermined pressure.
4a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 3 caracterizado porque la válvula (1.8) consiste en una linea de debilitamiento en la unión entre láminas en la sepa- ración entre la cámara primera (1.1) y las cavidades a comunicar .4 .- disposable device for preparing coffee, infusions and the like according to claim 3 wherein the valve (1.8) is a line of weakness at the junction between sheets in the separation between the first chamber (1.1) and the cavities to communicate.
5a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 carac- terizado porque tras la cámara primera (1.1) de liquido, existe una cámara (1.2) segunda limitada por filtros (1.5) .5 .- Disposable device for preparing coffee, infusions and the like according to claim 1 charac- terized in that after the first chamber (1.1) of liquid, there is a chamber (1.2) limited by the second filter (1.5).
6a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 5 carac- terizado porque los filtros (1.5, 1.6) consisten en lineas de unión intermitente que establecen un paso angosto al liquido sin permitir el paso de partículas sólidas .6 .- disposable device for preparing coffee, infusions and the like according to claim 5 character- used because the filters (1.5, 1.6) consist of intermittent connection lines that establish a narrow passage to the liquid without allowing the passage of solid particles.
7a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 caracterizado porque una de las láminas es flexible y la otra es rígida.7 .- Disposable device for preparing coffee, infusions and the like according to claim 1 wherein one of the layers is flexible and the other is rigid.
8a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 7 caracterizado porque las cavidades y conductos están configurados en la lámina rígida.8 .- Disposable device for preparing coffee, infusions and the like according to claim 7 wherein the cavities and ducts are formed in the stiff sheet.
9a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 8 caracterizado porque la lámina rígida integra el vaso.9. A disposable device for preparing coffee, infusions and the like according to claim 8, characterized in that the rigid sheet integrates the vessel.
10a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 8 caracterizado porque la lámina flexible cubre las cavidades en un plano coincidente con el plano base de apoyo.10 .- Disposable device for preparing coffee, infusions and the like according to claim 8 wherein the flexible foil covers the cavities in a plane coinciding with the plane support base.
11a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 10 caracterizado porque entre el depósito (1.1) de liquido y el depósito (1.3) de sólidos hay una linea (1.5) de filtro que actúa igualmente como válvula.11 .- disposable device for preparing coffee, infusions and the like according to claim 10 characterized in that between the reservoir (1.1) and liquid tank (1.3) is a solid line (1.5) filter also acts as a valve .
12a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 10 caracterizado porque el depósito (1.3) de sólidos disoné de un debilitamiento (1.9) para la salida del producto elaborado .12 .- disposable device for preparing coffee, infusions and the like according to claim 10 wherein the reservoir (1.3) solid Offers well weakening (1.9) for outputting the product Elaborated .
13a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 10 caracterizado porque el dispositivo tiene simetría de revolución respecto de un eje central.13. A disposable device for preparing coffee, infusions and the like according to claim 10, characterized in that the device has symmetry of revolution with respect to a central axis.
14a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 caracterizado porque dispone de elementos externos tales como válvulas o filtros que quedan atrapados entre una y otra lámina.14. A disposable device for the preparation of coffee, infusions and the like according to claim 1, characterized in that it has external elements such as valves or filters that are trapped between one and another sheet.
15a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 caracterizado porque el producto sobre el que se lleva a cabo la extracción y que se sitúa en la cámara (1.3) segunda es café.15 .- Disposable device for preparing coffee, infusions and the like according to claim 1 characterized in that the product on which it is carried out the extraction and which is situated in the chamber (1.3) is the second coffee.
16a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 caracterizado porque el producto sobre el que se lleva a cabo la extracción y que se sitúa en la cámara (1.3) segunda es te u otra planta para infusión.16. A disposable device for preparing coffee, infusions and the like according to claim 1, characterized in that the product on which the extraction is carried out and which is placed in the second chamber (1.3) is te or another infusion plant .
17a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 caracterizado porque el producto sobre el que se lleva a cabo la extracción y que se sitúa en la cámara (1.3) se- gunda contiene o es chocolate.17. A disposable device for preparing coffee, infusions and the like according to claim 1, characterized in that the product on which the extraction is carried out and which is placed in the second chamber (1.3) contains or is chocolate.
18a.- Dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 1 caracterizado porque la cámara (1.3) segunda que tiene el producto sobre el que se lleva a cabo la extracción está dividida para distinguir productos distintos.18. A disposable device for preparing coffee, infusions and the like according to claim 1, characterized in that the second chamber (1.3) having the product on which the extraction is carried out It is divided to distinguish different products.
19a.- Método de fabricación de un dispositivo desechable para la preparación de café, infusiones y similares se- gún las reivindicaciones anteriores haciendo uso de dos láminas en las que se establece una soldadura esencialmente a lo largo del perímetro del dispositivo salvo la salida asi como en lineas intermedias definiendo cavidades, conductos, filtros y válvulas caracterizado porque antes de llevar a cabo el sellado entre las dos láminas se incorpora tanto un liquido de impulsión, preferentemente agua, como un sólido preferentemente en polvo.19 .- Method of manufacturing a disposable device for preparing coffee, tea and similar semi gun claim using two sheets in which a weld is established essentially along the perimeter of the device except the output so as in intermediate lines defining cavities, ducts, filters and valves characterized in that, before carrying out the sealing between the two sheets, both a discharge liquid, preferably water, and a preferably powdered solid are incorporated.
20a.- Método de fabricación de un dispositivo desechable para la preparación de café, infusiones y similares según la reivindicación 19 caracterizado porque las dos láminas son flexibles, provienen de dos bobinas (Bl, B2) y se hacen converger en un punto de tal modo que exte- riormente son unidas mediante unos rodillos (Sl, S2) se- lladores configurando las distintas cavidades y conductos; y superiormente son alimentadas las cavidades de liquido y polvo mediante sendos conductos (Cl, C2), procediendo tras la alimentación al sellado completo y pos- terior corte para la eliminación de material sobrante y separación entre dispositivos.20 .- Method of manufacturing a disposable device for preparing coffee, infusions and the like according to claim 19 wherein the two sheets are flexible, from two bobbins (Bl, B2) and are converged at a point such so that they are connected by rollers (Sl, S2) externally by configuring the different cavities and ducts; and superiorly the liquid and powder cavities are fed by means of two conduits (Cl, C2), proceeding after feeding to the complete sealing and subsequent cutting for the elimination of excess material and separation between devices.
21a.- Método de fabricación de un dispositivo desechable para la preparación de café, infusiones y similares se- gún la reivindicación 20 caracterizado porque sobre una de las láminas se incorpora adherido cualquiera de los elementos de tipo externo tales como un filtro antes de llegar al llenado de las cavidades. 22a.- Uso de un dispositivo desechable para la preparación de café caracterizado porque dicho dispositivo se introduce en un horno microondas hasta llevar a ebullición hasta el vertido total del producto elaborado en el interior de un receptáculo.21 .- Method of manufacturing a disposable device for preparing coffee, tea and the like Accord- ing to claim 20 characterized in that on one of the sheets adhered incorporated either external type elements such as a filter before reaching when filling the cavities. 22 .- Using a disposable device for preparing coffee characterized in that said device is inserted in a microwave oven until boiling to the total discharge of the product processed inside a receptacle.
23a.- Uso de un dispositivo desechable para la preparación de café según la reivindicación 22 caracterizado porque dicho dispositivo no dispone de receptáculo pro- pió y se sitúa en la taza (2) o recipiente que recibe el liquido ya elaborado con el conducto de salida orientado hacia su interior; y, tanto el recipiente como el dispositivo se colocan en el interior de un aparato microondas activándolo para que por calentamiento el dispositi- vo se active y vierta el producto elaborado en el interior de la taza (2) .23 .- Using a disposable device for preparing coffee according to claim 22 characterized in that said device has no pro- receptacle chirped and placed in the cup (2) or container receiving the liquid already prepared with the conduit exit oriented inwards; and, both the container and the device are placed inside a microwave apparatus by activating it so that the device is activated by heating and pouring the prepared product inside the cup (2).
24a.- Uso de un dispositivo desechable para la preparación de café según la reivindicación 22 caracterizado porque dicho dispositivo dispone de receptáculo propio de tal modo que su propio receptáculo es el que recibe el liquido ya elaborado tras la activación mediante microondas, procediendo posteriormente a su consumo directamente del dispositivo. 24 .- Using a disposable device for preparing coffee according to claim 22 characterized in that said device has its own receptacle such that its own receptacle is receiving the liquid already elaborated upon activation by microwave, with a subsequent its consumption directly from the device.
PCT/ES2006/070077 2006-06-02 2006-06-02 Disposable device for preparing coffee, infusions and the like, method for producing said device and use WO2007141348A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014072557A1 (en) * 2012-11-07 2014-05-15 Isidro Aythami Sanchez Carrasco Cup of instant coffee for microwave oven

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004073468A1 (en) * 2003-02-20 2004-09-02 Adriana Brizio Beverage preservation and distribution can, also usable for the extemporaneous preparation of beverages by extraction and/or infusion
US20040188428A1 (en) * 2003-03-18 2004-09-30 Nini Policappelli Microwave expandable product
WO2005051147A1 (en) * 2003-11-20 2005-06-09 Srd Pharmaceuticals, Inc. Disposable coffee maker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004073468A1 (en) * 2003-02-20 2004-09-02 Adriana Brizio Beverage preservation and distribution can, also usable for the extemporaneous preparation of beverages by extraction and/or infusion
US20040188428A1 (en) * 2003-03-18 2004-09-30 Nini Policappelli Microwave expandable product
WO2005051147A1 (en) * 2003-11-20 2005-06-09 Srd Pharmaceuticals, Inc. Disposable coffee maker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014072557A1 (en) * 2012-11-07 2014-05-15 Isidro Aythami Sanchez Carrasco Cup of instant coffee for microwave oven

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