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Patent Searching and Data


Title:
FOOD AND BEVERAGE MAKING SYSTEM
Document Type and Number:
WIPO Patent Application WO/1999/053768
Kind Code:
A1
Abstract:
A system for preparing and cooking edible components in a microwave including different cells or compartments (18, 20) containing different components of the desired consumable product. Under pressure of the microwaves on the components, pressure of one or more components acts to break seals between the cells so that the components can mix and provide a desirable end product, which can be a liquid or solid form. The disposable system can make hot beverages such as espresso and cappuccino in a microwave oven. One of the ingredients can be a dairy product such as milk and the other can be water.

Inventors:
POLICAPPELLI NINI (US)
Application Number:
PCT/US1999/002163
Publication Date:
October 28, 1999
Filing Date:
February 01, 1999
Export Citation:
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Assignee:
POLICAPPELLI NINI (US)
International Classes:
A23F5/26; A47J31/54; A47J36/28; B65D81/34; (IPC1-7): A21D6/00; A21D10/02; A23F3/00; A47J31/00; B65B29/02; A23F1/22
Domestic Patent References:
WO1995019098A11995-07-13
Foreign References:
US5747782A1998-05-05
US5243164A1993-09-07
US5884551A1999-03-23
US5832809A1998-11-10
US5185505A1993-02-09
Attorney, Agent or Firm:
Berman, Charles (CA, US)
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Claims:
WHAT IS CLAIMED IS:
1. A device for use in a microwave oven comprising: multiple fluid containing compartments, the compartments being formed of a material having a substantially nondeleterious reaction to microwave action; a consumable food or beverage product including at least two components which are separated in the compartments prior to being subjected to microwave action; a divider for keeping the components separate prior to microwave action; and wherein the effect of microwave action on one of the components acts to break the divider separating the components and causes the components to mix to a desired degree, and thereby provides a desired consumable beverage or food.
2. A device as claimed in claim 1 wherein the divider is a filter, and wherein the filter has a predetermined series of apertures.
3. A device as claimed in claim 1 wherein one of the compartments is for containing water prior to microwaving, another compartment is for containing a dry coffee product contained in a filtering medium, and a third compartment is for receiving a coffee liquid product after microwaving, the liquid having passed from the first compartment, through the filtering medium and into the third compartment.
4. A device as claimed in claim 1 wherein the divider is an element for location between compartments, and the compartments are cylindrical elements located with open ends in an end to end relationship with a divider element between them and a dry component being contained in the divider element.
5. A device as claimed in claim 1 wherein, prior to microwaving, the compartments are sealed with the ingredient components separated, the compartments being separable after microwaving, and one of the compartments being a delivery means for the food or beverage product to the consumer.
6. A device as claimed in claim 1 wherein one of the compartments is a container in the nature of a cup or plate element for use in serving or delivering a microwaved final product to a consumer for consumption.
7. A device as claimed in claim 1 wherein one of the multiple compartments is for containing water, and another compartment is for containing a dairy product.
8. A device as claimed in claim 7 wherein the dairy product is in a liquidized form, the dairy product is selectively a nonfat milk or other milk product suitably processed so as not to deteriorate in the environment.
9. A device as claimed in claim 1 the components contained in the compartments are a dry powder or granules, and wherein liquid is added to the one or more compartments by the consumer prior to microwaving.
10. A device as claimed in claim 1 wherein the components include a coffee powder or granules in one of the compartments, water, and selectively a milk product in another compartment, and whereby under microwaving the components blend to make espresso, cappuccino or other dairy containing coffee product.
11. A device as claimed in claim 1 wherein one of the component is in the form of an essence or concentrate such as granules or powder, selectively coffee, tea, soup, flavoring, vegetable or fruit concentrate.
12. A device as claimed in claim 1 wherein one component of the device includes a cup which is optionally fitted to form as part of the integral device when used in the microwave oven.
13. A device as claimed in claim 1 wherein one of the compartments is a drinking cup, the drinking cup being a separate element for cooperating with at least one of the other compartments, thereby permitting the making the hot beverage in the drinking cup.
14. A device as claimed in claim 1 wherein, when the food product is of a solid nature, one of the compartments can form at least part of a plate from which the consumable food product can be eaten.
15. A device as claimed in claim 1 wherein one of the components is a solid vegetable or fruit products, and another component is a suitable liquid, selectively in the form of water or a dairy product.
16. A device as claimed in claim 1 wherein one of the components is a yeast or fungus, and the effect of microwaving produces selectively an alcoholic product or cheese.
17. A device as claimed in claim 1 wherein at least one of the compartments is made selectively of plastic, paper, pressboard, cardboard or laminated components.
18. A device for use in a microwave oven comprising: multiple fluid containing compartments, the compartments being formed of a material having a substantially nondeleterious reaction to microwave action ; a consumable food or beverage product including at least two components which are separated in the compartments prior to being subjected to microwave action; a divider for keeping the components separate prior to microwave action the divider is an element for location between compartments, and the compartments are cylindrical elements located with open ends in an end to end relationship with a divider element between them and a dry component being contained in the divider element; wherein the effect of microwave action on one of the components acts to break the divider separating the components and causes the components to mix to a desired degree, and thereby provides a desired consumable beverage or food; wherein one of the compartments is for containing water prior to microwaving, another compartment is for containing a dry coffee product contained in a filtering medium, and a third compartment is for receiving a coffee liquid product after microwaving, the liquid having passed from the first compartment, through the filtering medium and into the third compartment.
19. A device as claimed in claim 18 wherein another compartment is for containing a dairy product to be added to the coffee product under steam pressure caused by microwaves thereby to provide a coffee beverage containing steamed milk.
20. A method of making a consumable food or beverage product in a microwave oven in a device for use in a microwave oven comprising: multiple fluid containing compartments, the compartments being formed of a material permitting a food or beverage to be the subject to microwave action, the material being substantially unaffected by the microwave action so as not be substantially reactive deleterious under microwave action; locating components of a consumable food or beverage product having at least two components in a separated relationship in the compartments prior to being subjected to microwave action; keeping the components separate through a divider prior to microwave action; and applying microwave action on a liquid component thereby to break the divider and cause the components to mix to a desired degree, and thereby provide a desired consumable beverage or food.
21. A method as claimed in claim 20 wherein one of the compartments contains water prior to microwaving, another compartment contains a dry coffee product supported in a filtering medium, and a third compartment receives a coffee liquid product after microwaving, the liquid having passed from the first compartment, through the filtering medium and into the third compartment.
Description:
FOOD AND BEVERAGE MAKING SYSTEM BACKGROUND OF THE INVENTION This invention relates to a device for use in a microwave oven for preparing hot beverages. In particularly, the invention is concerned with a device for preparing beverages such as cappuccino, café con latte, espresso, tea and other beverages. Some of these beverages may or may not include milk or dairy containing products. In other forms, the device can be used for injecting the essences of flavors into liquids in the form of flavored yogurts, flavored fruit juices, hot chocolate and similar products.

In the modem busy world it is desirable to provide devices that can be sold to a consumer for the quick preparation of hot beverages. Devices are known for making pots of coffee through a conventional electric element, but these are either slow or cumbersome for use by the consumer. Other devices are known for making espresso on a stovetop, and once again these are not of a consumer-friendly nature, such that they can be easily disposed of after use.

The device of the present invention can be used for providing hot drinks and/or drinks of different temperatures after their preparation in a microwave oven.

This invention also relates to a device system and method for use in and with a microwave oven for preparing and cooking digestible products such as beverages and foods.

In particular, the invention is also concerned with a device for preparing beverages such as different coffee, coffee combinations, tea and tea combinations. Two or more components for the food or beverage can be combined to provide a desirable food or beverage. In other forms, the device can be used for adding essences of flavors into liquids, which can include milk products, fruit juices or the like. Moreover, the device can be used for brewing and fermenting purposes and for preparing and cooking solid food products and desserts.

It is desirable to provide a device as to a method which consumers can use for quick preparation of beverages and digestible foods which can include complete or other meals. A microwave oven is a useful device for facilitating quick preparation and/or cooking of food, and the invention uses the characteristics of a microwave oven to prepare desirable hot beverages, drinks, foods, desserts and other nutritional products.

SUMMARY OF THE INVENTION By this invention, there is provided a disposable device, preferably made of plastic, paper, press board, cardboard, or laminated components, and which preferably includes a cup for mixing multiple different ingredients under the action of microwaves in a conventional microwave oven. Such a device can be used to make espresso, cappuccino or other dairy containing products.

In a preferred form of the invention, the device includes multiple compartments, one of which is for containing water, and another of which is for containing a dairy product, preferably in a liquidized form. In the liquidized form, the dairy product could be a non-fat milk or other milk product which is suitably processed so as not to deteriorate in the environment. In a different form, the product could contain dry powder or granules to start, and all the liquids are added later by a consumer.

A different compartment of the device can include a cup which is optionally fitted to form as part of the integral device when used in the microwave oven. In alternative forms, the cup can be a separate element which can be provided by the consumer to cooperate with the unit for making the hot beverage in the microwave oven.

By this invention, there is also provided a device, preferably disposable and preferably made of plastic, paper, pressboard, cardboard or laminated components, and which preferably includes a container in the nature of a cup or other plate element for use in serving or delivering the final product to a consumer for consumption. When the product prepared in the microwave oven is a beverage, one of the compartments can include a cup from which the beverage can be drunk. When the preparation is of a solid nature, one of the compartments can be in the form of a plate from which the consumable food product can be eaten. The materials forming the components of the device do not react to the microwaves in a substantially non-deleterious or harmful manner. Thus, the materials are compatible for use in a microwave oven.

In another preferred form of the invention, the consumable food or beverage includes at least two components which are separated prior to being subjected to microwave action. A suitable divider or filter can be used to keep these components separate prior to microwave action. The effect of microwaves on one of the components acts to break the seal separating the components and causes the components to mix to a desired degree, and thereby provides the desired beverage or food. In one form, one of the components is a liquid in the nature of

water and, in another form, one of the components can be a liquefied dairy product. The other component can be in the form of an essence or concentrate such as granules or powder, which may, for instance, be coffee, tea, soups or other flavoring such as vegetable or fruit concentrate. One or other of the component products in the system may need to be treated by suitable pasteurization or other processes to prevent premature deterioration in the environment.

In some other forms of the invention, one of the components is a solid vegetable or fruit products, such as broccoli, potatoes, carrots, apples, pears or the like. The other component can be a suitable liquid in the form of water or a dairy product. The system provides for the cooking and/or preparation and/or blending of the two components to provide a suitable final end product for edible consumption.

In other forms of the invention, one of the components may be a yeast or fungus, and the combination effect under the process of microwaves can be used for producing alcoholic products in the nature of beer and/or suitable cheeses such as mozzarella cheese.

The invention includes several compartments making the device. The compartments are separated after subjection to microwaves, and one of the components being useful as a delivery means to the consumer. Prior to subjection to microwaves, the compartments can be suitably sealed with the ingredient components separated. The device can be supplied to the consumer in this manner.

The invention is further described with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a first device in accordance with the invention.

The device has at least two compartments, one for water and one for dairy products. It is ideally suited for making cappuccino or café con latte.

FIG. 2A is a cross-sectional side view of a cup.

FIG. 2B is a cross-sectional side view of the bottom reservoir of the device.

FIG. 2C is a cross-sectional side view of the sealing plate.

FIG. 2D is a cross-sectional side view of a first filter.

FIG. 2E is a cross-sectional side view of a coffee bag.

FIG. 2F is a cross-sectional side view of a filter for the coffee bag.

FIG. 2G is a cross-sectional side view of a filter over the milk container portion of the reservoir.

FIG. 2H is a top view of the combinations of FIGS. 2A-2G showing the ends of different components.

FIG. 21 is a cross-sectional view along line 21 of FIG. 2B.

FIG. 3 is a cross-sectional side view of a second device for use with only a single compartment to contain water, and ideal for making espresso.

FIG. 4A is a cross-sectional side view of the reservoir for containing water.

FIG. 4B is a cross-sectional side view of a cup which also forms the top of the device.

FIG. 4C is a cross-sectional side view of the plate sealing the bottom reservoir.

FIG. 4D is a cross-sectional side view of a filter on one side of the coffee container.

FIG. 4E is a cross-sectional side view of the coffee container.

FIG. 4F is a cross-sectional side view of a filter on the other side of the coffee container.

FIG. 4G is a cross-sectional side view of a lid which could be located either over the cup of FIG. 4B or the plate of FIG. 4C.

FIG. 5 is a cross-sectional side view of a device for making products where two ingredients need to be blended together, and wherein the top portion forms a cup.

FIG. 6 is a cross-sectional view of a device for making a single ingredient component wherein the top section forms a cup.

FIG. 7 is a graphical representation showing the changes of pressure within a sealed reservoir relative to water temperature and total flow in the reservoir as used in the device for use in the microwave oven.

FIGS. 8A and 8B are, respectively, cross-sectional end views of different components and cross-sectional side views of different components of a first device in accordance with the invention. The device has at least two or more compartments, one for water and the other for granular products. It is ideally suited for making espresso in a container component of the device.

FIG. 9 is a cross-sectional view of the device of FIGS. 8A and 8B in their assembled state.

FIGS. 10A and lOB are, respectively, cross-sectional end views of different components and cross-sectional side views of different components of a second device in

accordance with the invention. The device has at least two components, one for water and one for dairy products. Additionally, there is a compartment for granular materials such as coffee. It is ideally suited for making cappuccino or café con latte.

FIG. 11 is cross-sectional view of the device of FIGS. 10A and 10B in their assembled state.

FIG. 12 is a cross-sectional side view of a different form of the device without a second component which can be in the nature of a cup. The device includes two separated zones for containing a liquid and granular particles, which may be also be disolvable.

FIG. 13 is a sectional side view of a different device which has two separate compartments for containing two liquids in two compartments and for containing different granular materials which can be blended together. The device can be suitable for brewing alcoholic products when the appropriate components are put in different compartments. A separate cup can be used for receiving the contents of the device illustrated in FIG. 13.

FIG. 14 is an exploded view of the device illustrated in FIG. 13.

FIG. 15 is a side view of a device for preparing solid-type food components of which there are two or more cells or zones for preparing different products. The device shown in FIG. 15 illustrates three different kinds of products which can be produced.

FIG. 16 is a side view of a different configuration for preparing a vegetable product in the nature of broccoli. An escape valve is illustrated in the outside skin of one of the cells.

FIG. 17 is a sectional side view of another device for making different components and wherein there are multiple cells dividing the components prior to subjection to microwaves.

FIGS. 18A AND 18B are variations of FIGS. 10A and 10B.

FIG. 19 is a variation of FIG. 11.

DETAILED DESCRIPTION OF THE INVENTION In FIG. 1 there is shown a device for use in a microwave oven including a bottom reservoir 10 and a screw-on cup 12. The reservoir 10 and the cup 12 are for end-to-end engagement through a threaded interface 14 which is the top most portion of the bottom reservoir 10, and an internal female threaded section 16 which is at the free end of the cup.

The reservoir portion 10 includes two reservoir sections, namely, a first reservoir 18 for holding water, and a second circumferential reservoir 20 for holding a milk product.

The second reservoir 20 is connected by means of a rod member 22 which is anchored to a cruciform shape 24 at the base of the first reservoir 18. The top of the reservoir 18 is sealed by a series of components which are screw connected to a threaded lip 26. The lip 26 includes internal threads and external threads.

The component closing the lip on the reservoir 18 includes a plate 28 with an outlet spout 30, which is in the invention of FIG. 1 centrally located. Below the plate 28 there is a circumferential filter element 32, which fits within the outlet area of plate 28. Below the filter element there is a coffee bag or basket 34.

Below the coffee bag or basket 34 is a second filter element 36. Below the second filter element 36 there is a further filter element 38 which is sufficiently large to engage circumferentially around the outside of the first reservoir 18, and the fluid filters from the second reservoir 20 before it enters the cup portion 12.

The components 28,32,34 and 36 are-packed together. The plate 28 is screw threaded with internal threads 40 onto the threaded portions 26 at the top-most portion of the second reservoir 20. The circumferential outer filter 38 is likewise placed in position over the space between the second reservoir 20 and the first reservoir 18 as defined by the lip 14 of the first reservoir and the periphery 26 of the second reservoir.

When in use, the first reservoir 18 is filled with water, and the second reservoir 20 is filled with a dairy containing product such as liquidized milk. When sold to the consumer, these containers can be pre-filled with water and/or dairy product as indicated. Alternatively, the consumer can fill the compartments themselves. Ideally, the device is made of multiple plastic, paper, press board, cardboard or laminated components and is fully disposable. In this fashion, compartments 18 and 20 can be pre-filled with liquid before sold to the consumer.

When the device is placed in a microwave oven, the water in the first reservoir 18 will boil up and be passed under pressure through the coffee in the basket 34. After passing through the various filters, the water will be ejected from the spout 30 into the cup 12.

Likewise, the milk containing product in reservoir 20 will be ejected through the screen 38 and be ejected into the cup 12. In this manner, the cappuccino or café con latte product is ejected into the cup 12 to form an instant cappuccino or café con latte product. For creating cappuccino the apertures 38 are sufficiently small so that the milk will spray into the cup to create a foam, as required for cappuccino.

The cup 12 can then be unscrewed at 14 from the reservoir base, and the consumer can then have a pre-prepared hot coffee beverage in a matter of seconds.

In other forms of the invention, this configuration can be used for providing, for instance, hot chocolate. In the basket 34 there can be hot chocolate essence, and milk and water can be provided in reservoirs 18 and 20 as required.

In other forms, different essences or products can be provided in basket 34 combining fluids in reservoirs 18 and 20 to provide a different desirable product.

From a construction perspective, the reservoir 18 is formed in a manner to be fixed to the upstanding legs 42, which extend from the case 44 of the reservoir 20.

In some other forms of the invention, the cup 12 can be an optional item. In other words, a consumer can provide his own cup and the base reservoir 20 can be provided. When used in the microwave oven, the base reservoir 20 could be placed in relationship with the cup 12. Ideally, it would be placed in a manner that the cup 12 is upside down as indicated in FIG. 1. Where the user's own cup is used, the base reservoir 20 may be reversed from that shown in FIG. 1, and can be placed to point downwardly onto the consumer's cup. This may be necessary because the consumer's cup is not going to fit in tightly with the product as indicated in the embodiments of FIGS. 1 and 2. Vent holes 46 are provided at the top perimeter portion of the reservoir 20 for venting air are required. The vent holes are optional.

FIG. 3 shows a system for producing a hot beverage containing a single ingredient.

There is a lower reservoir 50 for containing water. This reservoir includes a male threaded section 52 at its topmost portion. This male threaded section 52 engages a closure circumferential plate 54 which includes internal female threads 56. The plate 54 includes a plate 62 and an exit spout 58 centrally located.

There is also a male threaded projection 60 which extends from the plate 62 of the element 54. A cup 64 engages the threaded portion 60, and there is a female threaded section 68 for engaging the threads 60.

Below the sealing plate 62 is a filter portion or plate 66, and below that is a pouch or the like for containing coffee or some other beverage, such as chocolate, tea or similar essence. A filter plate 70 is located below the pouch 68. When used, the reservoir 50 contains water and the coffee pouch 68 is in place.

The device is placed in a microwave oven and, as the water boils, it forces itself through the filters, the coffee pouch and out the exit spout 58 into the cup portion 64.

Thereafter, the cup portion 64 can be unthreaded from the plate 54 by disengaging threads 60 and 66. The cup 64 can then be used to drink the beverage. The entire device is disposable.

By having this arrangement, espresso can be made in a microwave oven in a matter of second rather than minutes. In other words, the power of the microwave boils the water more quickly forcing the water through the coffee pouch 68 to thereby form the espresso.

The components making the device are of a plastic which is sufficiently strong to withstand the pressures of the boiling water forcing itself through the pouch. Since the unit is disposable and is not intended for reuse, the nature of the plastic can be of a kind whereby it does not need to withstand excessive pressures. In certain circumstances it may be necessary to permit the venting of air from one or other of the containers 50 or 64 and, for this purpose, vents 72 are optionally provided and are shown in the bottom reservoir 50. These are, in a sense, radially disposed towards the top end of the reservoir 50.

In FIG. 4G there is also shown a lid element 74 which has internal threads 76. These threads can engage the threaded portion 60 in the sealing plate 62 as may be required.

Alternatively, it can engage the threads 58 on the top portion of the cup. This engagement with the threads 58 may just be an interengaging bead formation 78 at the top of the cup which interengages in the slot portion 80 in the lid.

As illustrated in FIG. 5, there is shown an arrangement where there is bottom reservoir 100 for containing a dairy product 102. There is an internal reservoir 104 for containing a water 106. The topmost portion of the reservoir 100 includes a male threaded portion 108 which engages with the female threads 110 of a base of a cup portion 112. By engaging these threaded sections, there is also trapped between the two, the sealing plate 114, which threadingly engages with an upstanding stud 116, which is formed from the top plate

118 across the reservoir 100. The sealing plate 114 includes a face plate 120 with small apertures to permit the egress of fluid into the cavity 122. Below the plate 120 there is a pouch 124 for containing coffee or the like, and below the pouch 124 there is a sealing plate 126. The cup 112 includes a base 128 and two upstanding pipes 130 which are located along the edge perimeter of the cup 112. The pipes 130 include an internal bore 132 which bore of each pipe is connected with the cavity 122. Inside the pipes 130 is the chamber 134 for containing the prepared beverage. The top 136 of the cup 112 includes a lid 138 which has an internal thread 140 for engaging with the element 142 on top of the cup 112. The cup 112 also includes a jagged top face 144. The purpose of the jagged top face 144 is that when fluid under pressure exits from the outlets 146 of the pipes 130, the fluids under pressure engages the faces 148 and deflects fluid downwardly into the reservoir 134 of the cup. The base 150 of the cup includes reinforcing beads 152, which may be required for this construction.

The system of this invention is of the nature that when the device is put in the microwave oven, the water and dairy product boil and move upwardly from the reservoirs 106 and 102 respectively into the cup 112. Water from the reservoir 106 passes through the filters 126 and 120 and also the essence bag in between and thereby forces the fluid into the cavity 122. Dairy product or milk in the cavity 102 passes through the plate 118 which has appropriate holes, and into the cavity 122. As the pressure increases in cavity 122, the fluid rises up the pipes 130 through the ports 132. The heated fluid then exits from outlets 146 into the cavity 134 of the cup.

As illustrated in FIG. 6, the configuration is similar to that in FIG. 5. There is however, only a single cavity or container 200 which forms the bottom or base reservoir for containing water 202. There is a male threaded top 204 which engages the female threaded base 206 of the cup 208. Above the top threaded portion 204, there is a coffee pouch 210 and a filter element 212.

The cup 208 includes a single pipe 214 with a bore 216 having an outlet 218 towards the top of the cup 208.

On top of the cup 208 there is a lid 220 which threadingly engages with the top of the cup 208 as indicated. The lid 220 includes an undulated top for the similar purposes as described with regard to FIG. 5. There is also a cavity 222 below the base 224 of the cup 208 and above the filter plate 212. When the device is placed in a microwave oven and the water boils in 202, it is forced through the appropriate coffee bag and filters into the cavity 222.

From there, the water goes up the pipe 214 through the bore 216 and into the cup 208. The cup 208 can then be separated from the base portion and used to drink the prepared beverage.

The lid 220 can be used optionally as required.

FIG. 7 is a schematic representation of the relationship of the pressure within the chamber, the temperature of the water retained therein and the total flow of the water from the chamber. When water is filled within the reservoir, the placement of the lid on top creates an initial pressurization of the chamber. This initial pressurization serves to prime the transfer tube causing the water to flow through the inlet leg. The water expelled from the outlet, upon this initial pressurization, is discharged into the coffee basket, wetting the grounds. It is contemplated that the pressure within the chamber will be slightly greater than ambient pressure due to the balancing of the water level.

The initial pressure Po within the chamber is defined on the graph of FIG. 7. The starting time To for the brewing cycle is the initiation of the microwave energy from the microwave oven. The microwave energy immediately begins to increase the water temperature within the chamber. This increase in temperature of the water over the brewing cycle is substantially linear. The increase in temperature causes an increase in the pressure within the chamber. Because of the priming, the pumping system is initiated substantially immediately upon application of the microwave energy.

The flow of water caused by the increase in pressure during this initial time period T is substantially constant. At a certain point in time there is a substantial increase in the flow rate of the water from the reservoir. This increased flow causes a drop in pressure within the chamber due to the substantial reduction in water volume therein, without a corresponding increase in pressure due to a rise in water temperature. The pressure is contemplated to become substantially negative, or below ambient, and below the initial pressure Po. This negative pressure causes a restriction on the flow of the hydraulic head advantage. This restricted flow is seen at the period between time T2 and T3.

It is contemplated that the brewing cycle will further include a second pressure increase with the hydraulic head advantage again taking precedent over the pumping system.

A sudden increase in flow occurs at about time T3. During the period between T3 and T4 there is a second substantial reduction in the pressure within the chamber. However, the higher water temperature likely restores the vapor pressure at a faster rate, causing a faster flow between the period T4 through T than during the period T2 through T3. Upon

completion of the brewing cycle, substantially all of the water flows through the transfer tube into the coffee basket.

FIG. 7 is representative of the observed operation of an apparatus made in accordance with the present invention. The number of pressure cycles during any brew may vary according to the water temperature, the quantity of water within the chamber, the diameter of the tube, the wattage of the microwave oven and other factors. The slope and positioning of the curves illustrated are not limiting. Variations in structure of the reservoir and transfer tube will also change the results obtained from the application of microwave energy.

As indicated, the present invention can be used for different beverages including milk containing beverages such as milkshakes. The beverages can be prepared hot and then later drunk cooled. The substances are disposable and for use in a microwave oven. They can be pre-prepared and sold with or without the ingredients, which can be the essence such as the coffee in a bag, the water and/or the milk. Ideally, in a pre-prepared package form it can have all the products in the device. Therefore, the consumer needs only to place the unit in the microwave oven for a few seconds to heat the water and then have a beverage which would otherwise take a much longer time to prepare. The disposable nature of the components provides for a useful device.

Other forms of the invention exist, each differing from the other in matters of detail only. For instance, in other configurations of the device, more than one outlet can be provided for the water, and the water can be located in a different position relative to the base container and the cup. In other words, it may not be centrally located but rather on the side.

Likewise, the milk could be forced to exit from the base container into the cup from a different location and in one or more locations as necessary and desirable to achieve the right mix of components. By being able to spray fluid into the cup, there is created a foam in the cup. This can be useful for many different kinds of beverages.

Although it is the intent that the unit be of a disposable nature and for single use only, it may be possible to develop the unit for multiple use in microwave oven. In such a form, different bags of essences or components which water or flavoring must be forced can be provided separately. Also, in other cases, the drinking cup can be optional. As such, the consumer may be able to use their own drinking cups in combination with the base reservoir.

Although the configuration is shown whereby water is forced upwardly through the device, there could be configurations wherein use of the water is located in the top reservoir and drips

into the cup below. In different situations, it may be necessary to provide a temporary seal between the water and dairy containing fluid and the coffee so that premature mixing inadvertently or otherwise does not take place before the unit is placed in the microwave oven. This seal may be manually removable or may break under the pressure of steam generating in the one reservoir and forcing itself into the second reservoir through a coffee bag or the like.

Different outside profiles of containers and reservoirs can be used. In some cases, an existing kind of paper cup can be used in combination with the pressure container. Also, different kinds of connections can be used for the components: for instance, instead of the threaded interengagement, this can a bayonet fitting.

FIGS. 8A and 8B and 9 show a system for producing a hot beverage containing a single ingredient. There is an upper reservoir 1020 for containing water. This reservoir includes a male threaded section 1022 at its lowermost portion. This male threaded section is for engaging a female threaded section 1024 on an intermediate element 1026 which is provided for containing one of the components. The intermediate section 1026 can have a female coupling element 1028 for receiving a beaded section or threaded interface 1030 of a cup portion 1032 which is conventionally the lowermost portion of the device. The interface 1030 is a lip which can be snap connected with its mating component or disconnected from its mating component under pressure. It can be connected during manufacture under pressure snaped on. When used, it is snapped off. Alternatively, it can be screwed or twisted on or off.

The component 1020 only contains liquid or water 1034, and the intermediate section 1026 contains a granular material 1036 which may be in a container or bag 1038. Above the intermediate section 1026, there is contained a filter or sealing element 1040 which acts to effectively seal the water 1034 from engagement with the granular material 1036 prematurely.

Intermediate section 1026 includes a series of apertures 1042 in a filter element zone 1044 which is circumferentially centrally disposed in the intermediate section 1026. Around the perimeter of the filter element 1044, there are one or more valves 1046 which can be circumferentially arranged around the element 1044, and which connect as escape valves as necessary. One or more additional escape valves 1048 can be provided in the wall 1050 of the top of the container 1020.

The extra escape valve 1048 may be necessary if the water 1034 in the container 1020 is subject to overboiling. The escape valve 1048 or one or more of the valves 1046 can be used to prevent excess pressure from building up, and water or steam can thereby be permitted to escape from the container 1020 as necessary.

Prior to subjection to microwaves, the topmost portion 1020 can be screw connected with the intermediate section 1026 and cup or lowermost portion 1032 can be connected with the intermediate section 1026. Alternatively, the connection of the top 1020 can be hot sealed or bonded to the intermediate portion 1026. The filter 1040 is in place with the granules 1036 in the bag in the intermediate section 1026. The water 1034 is separated from the bag 1038 by the separation element 1040. When subjected to microwaves, the boiling effect on the liquid 1034 causes an expansion of the fluid which acts to break the seal 1040 and cause water to penetrate and pass through the granules 1036 under pressure. The water containing the essence of the granules, which can be in the nature of coffee, then pass through the holes 1042 in the filter element 1044 into the cup 1032.

After a sufficient time, when all or a sufficient amount of the water has passed through the granules, the-microwave action is stopped and the device is removed from the microwave oven. The cup 1032 can then be separated and a suitable hot beverage is contained in the cup 1032. The uppermost portions 1020 can then be discarded. The cup 1032 can also be discarded.

In some cases, the cup 1032 can be reusable and the uppermost portion 1020 and intermediate section 1026 of a separate new device can be used with a reusable cup 1032.

As illustrated in FIG. 9, the device of FIGS. 8A and 8B are shown in the position wherein the bottom portion 1032 is located above the portion 1020. In certain situations, this reverse configuration may be more suitable, either prior to sale or use of the device or, in fact, as the preferred configuration in which the device is placed in the microwave oven. In other words, the device can be used in a microwave oven in either of the orientations of FIGS. 8A and 8B or FIG. 9. Whereas in FIGS. 8A and 8B the force of the liquid would be downward into the cup 1032. In FIG. 9 the force of the liquid in container 1020 would be upward into the cup 1032. Prior to use or separation of the cup 1032, the device would be turned upside down since it would be the cup 1032, which contains the heated beverage for use or consumption.

In FIGS. 10A and 10B there is shown a device for use in a microwave oven including a top reservoir 1050 and a snap-on or screw-on cup 1052, which is normally located on the bottom. The reservoir 1050 and cup 1052 are for end-to-end engagement through the interface 1054 which may be in the nature of a sealing ring for engagement in a circumferential semi-circular slot or groove 1056 around the free end 1058 of the container 1050. The reservoir portion 1050 contains at least two reservoir sections: a first reservoir section 1060 for holding water 1162 and a second reservoir section 1062 for holding a milk product 1064.

The first reservoir section 1060 is connected by means of a rod member 1066, which is anchored to a cruciform shape 1068 at the base of the reservoir 1060 to wall portions 10709 which are in the form of internal-type walls to the reservoir 1060.

The reservoir 1060 includes an internal female threaded section 1072 for engagement with male thread 1074 of an intermediate section 1076. The intermediate section 1076 includes a cup-type portion 1078 for receiving a bag 1081 of granulated material such as coffee 1083. In the base of the cup portion 1078 there is a filter zone 1080, and there is an additional peripheral zone 1082 on circumferential flange 1084 which extends from the cup portion 1076. Filter zones 1091 and 1083 are a perforated wall, floor, mesh or selectively a double layer mesh. The double layer mesh can assist in making foam milk, for instance, for cappuccino. The double mesh can be two different gaskets, one on top of each other with a space between them. Alternatively, it can a component to embrace filter 1092 over the top and/or bottom of 1082.

Built into the threaded or slotted portion 1086 at the free end of the reservoir portion 1050 are one or more elliptically-shaped valve elements 1088 which connect as an escape for excess fluid when the reservoir 1050 with its fluid is put under microwave action, and pressure builds up due to the energy of microwaves on the fluid in one or more of the reservoir components 1060 or 1062.

The cup 1052, as indicated, engages the groove 1058 so that an integral unit is provided for use in a microwave oven. When it is subjected to microwaves, pressure builds up in the first component 1060 and in the components 1062. Each of the respective fluids expands or boils or steams at its appropriate level when the pressures are appropriate. The fluid 1162 in compartment 1060 passes through the granulated material 1083 in the sack 1080 and enters the cup 1052. The dairy product 1064 passes separately through the filter 1082

around the cup portion 1078 and suitably froths as it enters the cup portion 1052. In this manner, a beverage formed by water passing through the granules 1082 and entering the cup 1052 can mix and blend with frothed milk or dairy product in the cup 1052, and suitable co- mixture is provided.

Prior to the mixing action in the microwave oven, filter element 1090 at the top of component 1060 retain the liquid 1162 separated from the granules 1085 thereby preventing premature mixing. Between the filter 1080 and 1082 there is a relatively solid circumferential ring 1092, which is provided so that the filter area 1080 and filter area 1082 are of the relatively required areas to provide effective mixing. The area 1092 may be increased or decreased relative to the size of the filter areas 1080 or 1082 according to the beverage being made and the requisite degree of mixing which is required.

The compartment 1060 and 1062 can be varied in size so that the relative amounts of fluid 1162 and 1064 can be changed according to the beverage to be made in the system. In other cases, the device, prior to use in the microwave oven, may be turned in an opposite direction such that the cup 1052 is above the double container 1050. In other variations of the invention, more than two compartments 1060 and 1062 can be provided in the portion 1050.

Thus, there could be three or four compartments whereby different or multiple components can be mixed to make the ultimate beverage. Each compartment can be sized according to the amount of each component required to be mixed into the ultimate beverage in the cup 1052.

In FIG. 12 there is illustrated a side view of a device having a single compartment 1100 in which there is contained water or light liquid component. This may be a dairy product. The second compartment 1102 is formed in adjacency with the first compartment 1100. There is a filter or separation medium 1104 which keeps the component 1102 separated from a granular or powdered component or essence 1106 contained in a sack or bag 1108 in the second compartment 1102. The second compartment 1102 can be formed in a laminated material which can be suitably bonded to the circumferential lip 1110 around the outside wall 1112 of the first compartment 1100. The circumferential lip 1110 is directed substantially at right angles to the wall 1112. The filter element 1104 provides suitable pores or apertures 1114 in the central zone of the cup portion 1100, and the peripheral ring or zone 1116 is relatively solid. The peripheral ring 1118 of the second component 1202 is bonded together with the peripheral ring 1116 and 1110 to provide a relatively sealed interface which

is liquid impervious. The base of the second component 1102 also includes pores or apertures 1120 in a filter zone 1122 which is formed adjacent to as part of the second component 102. This laminated structure can be self-contained and include the two compartments for having the two components to be mixed under the action of a microwave.

A separate cup or container can be provided for receiving the contents of the fluid emanating through the apertures 1120 after the action of the microwave.

In FIG. 13 there is shown a variation of the embodiment of FIG. 12. This variation is one where there are two liquid-containing compartments 1200 and 1202, each which contain respective liquid 1204 and 1206. Each liquid can be different, and it is required, and likewise, two second compartments 1206a and 1208 can be different in size and structure. In compartment 1206a there is a first granulated or powdered material 1210. In compartment 1208 there is a second powdered or granulated material 1212. These materials can be different as necessary.

There are respectively two filter areas 1214 and 1216. The liquid 1204, suffused with the granules or essence passes through the apertures or pores 1218 of filter 1214, and the liquid 1206, suffused with the granules or essence 1212, pass through the apertures or pores 1220 of filter 1216.

This device can also be formed as a laminated structure, and there is a filter or separation medium 1222 which separates each of the liquids 1204 and 1206 from the respective granular components 1210 and 1212. The laminated structure can be not sealed or not pressed in its construction. This can be a self-contained body component device, namely two compartments for two different kinds of liquids, two compartments for each of two different kinds of granulated materials, and respective separation areas between the respective liquids and dry granulated material, and thereafter respective dispensing or filtering elements.

In different formulations, some of the liquid 1206 could be urged through the components 1210, and some of the liquid 1204 could be urged through the compartment 1208 as may be necessary. In other forms of the invention there can be even more or additional liquid and/or granular compartments in the combination of elements.

As illustrated in Figure 7, there is an exploded view of the format of FIG. 13 which shows the different compartments and their components separated. The separation of filter element 1220 has the separate zones 1224 and 1226 through which the appropriate liquids through each of the compartments 1200 and 1202 can be forced under the pressure of

microwaves. This system could be used as a device for brewing alcoholic beverages such as beers or the like. For instance, the component 1204 can be liquid and the component 1206 can be a suitable extract. The granulated material 1208 or 1210 can be a suitable yeast or fungus to facilitate brewing or formulating alcoholic or other fermented product.

A separate container or cup can be provided for receiving the contents from the microwave oven. The separate cup can be provided for receiving the outflow from the filter elements 1122 or 1214 or 1216 as required. In this form, therefore, the configuration would be where the components 1100,1200 and 1202 are placed on top of a receiving container.

In FIG. 14 there is illustrated a system for making products such as desserts. There is provided a device which has at least two cells, a first cell 1300 containing a solid-type component 1302 and a second cell 1304 containing a fluid 1306. Between the cells 1300 and 1304 there is separation membrane 1308 which can be provided with zones of different thickness. As illustrated, there are thinner zones 1310 and thicker areas 1312. The thinner areas 1310 can be punctured when liquid 1306 under the action of microwaves is caused to expand from the cell 1304 and into the cell 1300.

In the cell 1300 the liquid would mix with the solid 1302, and a suitable dessert can be made in this fashion. The material 1314 for making one of the walls of the cell 1300 and the material 1316 for making the wall of the cell 1304 can be of a nature that bonds and binds with the material 1308 around the perimeter.

The materials 1308,1314 and 1316 thus form laminate parts which can be effectively bound or bonded together around a periphery thereby forming within the periphery, the cells 1300 and 1304. As may be required, even more cells can be provided, and, for this purpose, different zones and different materials can be provided to make different compartments which can interconnect with compartments 1300 and 1304. Thereby, there could be three, four or five cells as required.

The separation material 1308, with areas of weakness 1310, can be provided between the different cells. Different amounts of weakness can be provided such that different amounts of fluid can pass from one liquid cell to the cell containing the solid material 1302.

The mixing can be effected at an appropriate stage under the microwave action. Thus, fluid from cell 1304 could enter cell 1300 at a different time to fluid from a different cell entering the cell 1300. In this manner, different effects on the cooking can be provided.

As may be necessary, an escape valve can be provided to the outer wall of cell 1300 such that if there is excess pressure built up in the cell 1300 under the cause of the microwave action, a portion of the wall of cell 1300 can be separated. Thus, an area of weakness for the valve can be provided in the material of 1314 for that purpose.

As illustrated in the central portion of FIG. 15, there is provided a solid food member.

Contained within that solid member 1302, and contained within that relatively solid member, there is an additional 1314 which contains a component 1316 centrally located within the relatively solid member 1302. A liquid 1318 can be contained in a separate cell around the solid component 1316. Under pressure of the microwaves, this cell can be subject to breakage. The component 1316 in the central cell can then mix with the relatively solid material 1302. The walls forming the cell around 1316 can be made of a material which is edible. This configuration can be provided for making a fresh mozzarella cheese or other cheese.

In the configuration on the left hand side of FIG. 15, there is shown a format for making a dessert of a different shape or form. The relatively solid material 1302 can be of a different consistency to that shown in the configuration on the center and right hand side of FIG. 15. For use after the fluid has passed from the cell 2304 to mix with the relatively solid material, one or more of the films 1314 or 1316 or 1308 can be removed so that an edible product is provided in a suitably palatable manner.

The characteristic of this food preparation system is one whereby multiple cells are provided with several components which mix or are forced together under the action of microwaves, and thus complete the cooking and/or preparation process of a final edible product.

In FIG. 16 there is shown a configuration where a vegetable in the nature of broccoli 1400 is contained in a first cell 1402 within a second cell 1404 which contains water 1406.

The wall of the cell 1402 containing the broccoli is formed by the wall members 1408 and 1410 which are laminated together with the wall members 1412 and 1414 forming the outer barriers of the cell.

A valve 1416 can be provided in the outer periphery of the wall 1412 so that if there is unnecessary build up of pressure under the action of microwaves, steam or water can escape from an area of weakness 1416. The valve breakage points can react to different temperatures. Thus, for some products, the valve may break at 60°C, and, in other instances,

the valve may break at 80°C. A valve can also be placed for the inner cell 1402, namely on the wall 1408 or 1410. The valve 1416 can be located below, above or over the location of food 1400. The valve 1416 is required in all of the configuration of FIGS. 15,16 and 17.

More than one valve 1416 can be provided at different locations about the food. Each valve can be operated at different temperatures. When the valve breaks, liquid moves from one chamber to another, and air can go to another chamber.

In this matter, broccoli or other vegetables 1400 can be suitably cooked to the requisite degree with a requisite amount of water applied at the correct time so as to provide a suitable and tasty vegetable and fruit. The wall 12402 provides areas of weakness so that the requisite amount of fluid or water can penetrate the vegetable as necessary so as to prevent overcooking. One or more of the materials 1404,1408 and 1410 can be removed prior to consumption of the vegetable.

In FIG. 17 there is shown a configuration for making other products. The component 1500 could be in the form of a dehydrated prefabricated food contained in the first cell 1502.

Around that cell there is a second cell 1504 which is formed by a wall 1506 having zones of weakness 1508. This wall 1506 can provide a valve effect. The weakness areas 1508 can break when the pressure caused by the microwaves on the expanding fluids exceed the break pressure of the areas of weakness.

The third cell 1510, which contains liquid 1512, is formed by the outer walls 1514 and 1516 as indicated. The walls 1514 and 1516 and the wall 1508 as formed by each of the components 1508a and 1508b are bonded together in laminated fashion around the periphery.

As illustrated in the central portion of FIG. 17, there are different components which can be combined to make the food product. In a central zone there can be provided, for instance, a first product such as a component 1600 contained in a cell 1612. Second cell 1614 can be provided in which there is a first fluid or other component. Another cell 1616 can provide another solid component such as cheese. A fourth cell 1618 can be provided around that cell. In the cell 1618 there can be a different form of liquid or other component. A further cell 1620 is constituted for containing water or other suitable fluid. The wall 1622 can provide a suitable valve effect as described with regard to the configuration on the right hand side of FIG. 17 and wall 1506.

In the configuration shown on the left hand side of FIG. 17 there is a situation which is a repeat configuration of that shown in the central portion although the components 1700

may be a different food configuration than that in component 1600. Likewise, the wall 1722 may have different filtering or valve characteristics relative to the wall or valve characteristics 1622. Likewise, the fluid 1720 may be different to the fluid 1620, and the food component 1716 can be different to that illustrated in 1616.

The configuration as illustrated in FIGS. 15 and 17, while they show three different products in a series, can in fact be three separate items each having different configurations and components for cooking.

The invention can be used to prepare multiple different kinds of foods, special foods and dietary foods as may be necessary.

Many other forms of the invention exist, each differing from the other in matters of detail only. For instance, the components making the different cells can be disposable to different degrees and formed of edible materials as necessary. One or more of the components being mixed can be disposable and removable from the edible component after the effect of the microwaves on the preparation of cooking of the product. One or more valves can be provided to the walls of the cells, and different characteristics can be provided to permit mixing and blending of the different components from the cells at different times.

Suitable pre-treatment of the products can be provided to avoid deterioration prior to processing in a microwave, and as such, the shelf life of the products can be enhanced. The food may include meat or fish products. The products may be partly or wholly frozen prior to microwaving or partly or wholly precooked, seasoned or unseasoned. As may be necessary, one or more the components can in fact be reusable. For instance, where the component is for serving purposes-in the nature of a plate or drinking cup. Different seals can be provided to the cells to prevent premature mixing of the components. Moreover, different profiles of the fruit products and their containers can be provided. Where partially pre-prepared components are used, the container shape can be formed so as to help mold the final shape of the product and render it into a shape which is attractive and desirable for a consumer. Different connections between different components can be provided.

Some of these beverages may or may not include milk or dairy containing products.

In other forms, the device can be used for injecting the essences of flavors into liquids in the form of flavored yogurts, flavored fruit juices, hot chocolate and similar products.

In the modem busy world it is desirable to provide devices that can be sold to a consumer for the quick preparation of hot beverages. Devices are known for making pots of

coffee through a conventional electric element, but these are either slow or cumbersome for use by the consumer. Other devices are known for making espresso on a stovetop, and once again these are not of a consumer-friendly nature, such that they can be easily disposed of after use.

The device of the present invention can be used for providing hot drinks and/or drinks of different temperatures after their preparation in a microwave oven.

This invention also relates to a device system and method for use in and with a microwave oven for preparing and cooking digestible products such as beverages and foods.

In particular, the invention is also concerned with a device for preparing beverages such as different coffee, coffee combinations, tea and tea combinations. Two or more components for the food or beverage can be combined to provide a desirable food or beverage. In other forms, the device can be used for adding essences of flavors into liquids, which can include milk products, fruit juices or the like. Moreover, the device can be used for brewing and fermenting purposes and for preparing and cooking solid food products and desserts.

It is desirable to provide a device as to a method which consumers can use for quick preparation of beverages and digestible foods which can include complete or other meals. A microwave oven is a useful device for facilitating quick preparation and/or cooking of food, and the invention uses the characteristics of a microwave oven to prepare desirable hot beverages, drinks, foods, desserts and other nutritional products.

In FIGS. 18,18B and 19 there is a different configuration relative to FIGS. 10A, 10B and 11. The center part where the essence is received has a hollow chamber 1082 formed as a ring around the central portion. The ring type donut 1082 can be found as one or more components. It can be tubular in cross-section mode out of mesh, formed metal or plastic material. It can facilitate liquid, such as milk, being caused to foam when under pressure and passing through the mesh, which is effectively a double mesh, namely one on the top portion and the other portion of the donut. Instead of tubular cross-section, other flat or straight or elliptical cross-sections can work.

In some cases, the container can be provided with or without liquid, or with or without the food or drink essence. Also, when the liquid is provided, it can be supplied in one portion, for instance, the bottom portion of the device, and when used in the microwave, it can be reversed such that the liquid is on the top. Under the action of the microwave heating the liquid flows down through the essence into the cup or tray below.

In other variations, for instance, in FIG. 12 or FIG. 13, the containers 1112,1200 and 1202 may be provided at the top with separable lids for one or more of the containers, which can be screwed or pop-snapped to the sides of the walls of the containers. This permits liquid to be added. The same applies to other embodiments, for instance, in all figures for liquid containers.

The device can be reusable several times or intended for single use operation.