Beverage brewing devices

Capsules for holding in an interior space a portion of a product for preparing a food product include a first part (501) and a second part (502), arranged along a direction of extension (A). The first and second parts define at least a portion of an interior space (S) for holding a portion of a food product. At least one of the first and second parts of the capsule may include a substantially rigid connector portion (533) with at least one inlet for connecting to the apparatus wherein the at least one inlet defines a first flow direction for a fluid to be introduced into the inlet which first flow direction extends more than about 45 degrees to the direction of extension of the capsule. An apparatus may include an actuator for cooperating with the capsule.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is the National Stage of International Application No. PCT/EP2009/064854, filed Nov. 9, 2009, the contents of which is incorporated by reference herein.

TECHNICAL FIELD

The present disclosure relates to the field of preparation and dispensing of products with products comprised in a capsule, in particular food products, more in particular liquid food products, e.g. beverages. Improvements to capsules, to methods of preparing food products, in particular liquid food products, as well as to apparatus and assemblies for preparing food products, in particular liquid food products, are provided herein.

BACKGROUND

It is known to prepare liquid food products, by providing one or more products comprised in a portion package or capsule, adding water to the product and dispensing the resultant liquid product mixture. Apparatus for preparation of beverages such as tea, espresso, cappuccino and other coffee varieties in such manner have become common household appliances and corresponding capsules for preparation of various beverages have become common groceries.

It is desired by manufacturers and consumers alike that the dispensed food product provides a consistent quality with each capsule. Reliability of the contents of the capsule and of the execution of a preparation recipe are therefore important. Further, consumers desire user-friendliness of a capsule, availability of different products to be prepared with a single apparatus, hygiene and low costs.

SUMMARY

To address at least some of the above-mentioned issues, several improvements are presented.

As a first improvement, a capsule for holding in an interior space a portion of a product for preparing a food product, e.g. a liquid food product such as a beverage in a food product preparation apparatus, is provided, which capsule comprises a first part and a second part. The first part and the second part are arranged along a direction of extension, and the first and second parts define at least a portion of the interior space for holding said portion of a food product. At least one of the first and second parts of the capsule comprises a substantially rigid connector portion with at least one inlet for connecting to the apparatus, preferably also at least one outlet. The at least one inlet defines a first flow direction for a fluid to be introduced into the inlet, which first flow direction extends more than about 45 degrees to the direction of extension of the capsule, preferably substantially perpendicular, e.g. radial, thereto.

Such capsule facilitates reliable connecting of the apparatus to an inlet (and if appropriate an outlet) of the capsule, e.g. with a predictable and/or constant force during operation such as preparation of the food product. Capsules of different volumes may have substantially identical or identically sized connector portions but different sizes in the first direction of extension, facilitating use of various capsules with a single apparatus without requiring an adapter. Deformation of the capsule in the direction of extension may be facilitated substantially without affecting coupling to the apparatus. Such deformation may be active, e.g. by the apparatus or an operator acting on capsule, or passive, e.g. by pressurizing the capsule, by swelling of the capsule contents or by separation of movably arranged parts of the capsule. This facilitates construction and manufacture of the capsule and allows reduction of chances of leakage, spilling and/or bypass of fluid around the capsule.

The outlet may define a second flow direction for a food product to be dispensed which second flow direction extends more than about 45 degrees to the direction of extension of the capsule, preferably substantially perpendicular thereto. The first and second flow directions may extend substantially parallel and/or in a substantially direct line.

Such capsules provide efficient use of space and predictable pressure to the connector and the capsule as a whole.

Associated therewith, an assembly for preparing a portion of a food product, e.g. a liquid food product such as a beverage, is provided. The assembly comprises a capsule of the above-described type and an apparatus for preparing a food product comprising a receptacle for operatively holding said capsule. The receptacle comprises a deformable portion and/or an actuator for manipulating at least a portion of said capsule. By the deformable portion, the apparatus can accommodate capsules of different sizes (volumes). The deformable portion may be configured to compress at least a portion of the capsule. Deformation may be accomplished by an actuator. Different actuators may be provided for manipulating a capsule.

As another improvement, a capsule for holding in an interior space a portion of a product for preparing a food product, e.g. a liquid food product such as a beverage in a food product preparation apparatus is provided. The capsule comprises an information portion comprising machine readable information markings. The portion is formed such that at least upon opening of the capsule for preparing said food product said portion is modified, e.g. deformed or destroyed, so as to present at least one of no information markings, modified information markings and illegible information markings to the apparatus.

Associated therewith, an assembly for preparing a portion of a liquid food product such as a beverage, comprises such a capsule and an apparatus for preparing food products. The apparatus comprises a receptacle for operatively holding said capsule and a reader configured to read said information markings. In the assembly at least one of the information portion and the machine is formed such that upon at least one of opening or use of the capsule for preparing said food product with said apparatus said information portion is modified, e.g. deformed or destroyed, so as to present at least one of no information markings, modified information markings and machine-illegible information markings to the reader.

The machine readable information markings allow to identify the contents of the capsule by the apparatus. The apparatus may then be operated to prepare said food product, which may be a liquid food product, based on the information provided by the information markings such as executing a predetermined preparation recipe. For this, the apparatus may comprise a controller for operation. The controller may be connected with a, possibly programmable, memory for storing instructions and/or recipes. The information markings may identify one or more a stored instructions or recipes, possibly user-selectable e.g. via an interface provided on the apparatus. The instructions of the information markings may be configured to define an entire recipe. By forming the capsule such that the information markings are modified upon opening of the capsule evidence of previous use of and/or (attempts of) tampering with the capsule and/or its contents which may otherwise go unnoticed is provided which may be used to affect, in particular to prevent, operation of the apparatus and preparation of the product to prevent not meeting standards of quality and/or hygiene for the product to be prepared. The portion may be actively deformed by one or more actuators and/or passively deformed by one or more steps in the preparation process.

As another improvement, a capsule for holding in an interior space a portion of a food product for preparing a liquid food product in a liquid food product preparation apparatus comprises a substantially rigid connector portion for connecting to the apparatus, wherein said connector portion provides a plurality of inlets for a fluid, in particular a liquid or a gas, and configured to couple at least substantially liquid tight, preferably also gas tight, to a corresponding outlet for a fluid of the apparatus and at least one outlet for a fluid.

Associated therewith, an assembly for preparing a portion of a liquid food product such as a beverage, is provided. The assembly comprises an apparatus for preparing a food product, and a capsule which comprises a substantially rigid connector portion for connecting to the apparatus and which connector portion provides a plurality of inlets for a fluid. The apparatus comprises a receptacle for operatively holding said capsule and at least one outlet for a fluid corresponding to an inlet of the capsule. In the assembly the at least one outlet of the apparatus and the corresponding inlet of the capsule are configured to couple with an at least substantially liquid tight connection, preferably also gas tight.

The connector portion of the capsule allows coupling of a predetermined inlet to a corresponding outlet of the apparatus with a substantially liquid-tight, preferably also gas tight connection. This increases hygiene of the apparatus and improves user-friendliness of the assembly, by preventing spilling within the apparatus and/or mixing of successively prepared products. A substantially rigid connector facilitates achieving such coupling since it improves positioning of the connector portion and thus of the inlets. It further reduces accidental deformation compared to a soft or flexible material. The connector portion may be or comprise a somewhat resilient portion or material, e.g. a rubber-like material, to provide a seal between a capsule inlet and an apparatus outlet. The connector portion comprising an outlet ensures reliable positioning of the outlet. This also facilitates dispensing the product straight from the capsule without requiring a conduit and/or spout of the apparatus.

As another improvement, a capsule for holding in an interior space a portion of a food product for preparing a liquid food product comprises a first part and a second part which first and second parts define at least a portion of the interior space for holding said portion of a food product. The parts are movably connected and are arrangeable in a first relative position and a second relative position. In the first relative position at least one inlet and/or at least one outlet for a fluid is inaccessible and/or closed, and in the second relative position the at least one inlet and/or the at least one outlet is accessible, openable and/or open.

Associated therewith, an assembly for preparing a portion of a liquid food product such as a beverage, is provided. The assembly comprises an apparatus for preparing a food product and such aforementioned capsule comprising a first part and a second part which first and second parts defining at least a portion of the interior space for holding said portion of a food product and being movably connected and arrangeable in a first relative position and a second relative position. The apparatus comprises a manipulator for moving at least one of the first part and the second part of said capsule thereof from at least the first relative position to the second relative position.

Associated therewith, a method of preparing a first food product with such capsule and an apparatus for preparing a food product comprising a portion for operatively holding said capsule is provided. In the method, said capsule comprises a first part and a second part, which first and second parts define at least a portion of the interior space for holding a portion of a second food product, and which parts are movably connected and are arrangeable in a first relative position and a second relative position, wherein in the first relative position at least one of at least one inlet and at least one outlet for a fluid is at least one of inaccessible and closed, and wherein in the second relative position the at least one of at least one inlet and at least one outlet for a fluid is at least one of accessible, openable and open. The method comprises the steps of: arranging said capsule in the apparatus in the first relative position, arranging said first and second parts in the second relative position and opening at least one inlet, preferably also at least one outlet, preparing said first food product by addition of a fluid to said second food product via said inlet, dispensing said first food product via at least one outlet, preferably said at least one outlet, and re-arranging said first and second parts in the first relative position and closing said at least one inlet, preferably also said at least one outlet.

The capsule, assembly and method facilitate providing increased hygiene of the capsule and its contents, of the apparatus and of surroundings by having the first and second parts in the first relative position during storing and handling. The inlet is only made available for use after arranging the parts in the second relative position. Chances of leaking of the capsule are thus reduced. In appropriate cases the same holds for one or more outlet openings. In such a case, and if the first and second parts are movably connected so as to be arrangeable in the first position after at least one of opening and use of the capsule, the capsule may be closed after use. Thus, subsequent leaking of the capsule and portions of food products remaining in the capsule, e.g. coffee grounds, may be prevented.

Such a capsule comprising a first part and a second part which first and second parts are movably connected and arrangeable in a first relative position and a second relative position may comprise an information portion comprising machine readable information markings as described above. Said information portion may be attached to both the first part and the second part in the first position. Upon rearranging the capsule into the second position said information portion may be modified, e.g. at least one of deformed, broken and detached from at least one of the first and second parts. Thus, indication of a displacement of both parts with respect to each other from the first relative position to the second relative position is provided, e.g. for signaling tampering and/or previous use of the capsule.

In such a capsule comprising a first part and a second part which first and second parts are movably connected and arrangeable in a first relative position and a second relative position, may be configured such that in the first relative position the parts define a first volume and in the second relative position the parts define a second volume larger than the first volume. This allows to provide an underpressure in the interior space which may prevent leaking of the capsule upon its opening. It further allows to reduce capsule volume for reasons of storage economy and/or preserving freshness of capsule contents and to provide volume for introduction of a fluid into the interior space of the capsule for mixing with the contents within the capsule. Such introduction would otherwise necessitate displacement and/or compression of the contents of the capsule. It further allows suction of air into the interior space of the capsule to cause scattering of particulate matter within the capsule to improve subsequent mixing and/or wetting thereof.

Such a capsule comprising a first part and a second part which first and second parts are movably connected and arrangeable in a first relative position and a second relative position, may be configured such that the first and second are arrangeable also in a third relative position. In the third relative position a third volume, different from the first and second volumes, is defined and/or one or more further inlets and/or a further outlets are accessible, openable and/or open. Thus, further flexibility of using the capsule is provided.

A capsule for holding in an interior space a portion of a food product for preparing a liquid food product may comprise at least one divider for dividing the volume of the interior space into a plurality of separate compartments, e.g. for holding different portions of food product or beverage or for holding portions of different food products or beverages. At a predetermined time during preparation of the liquid product a particular component may be dispensed and/or the components of two or more compartment may be mixed. As an improvement of such a capsule the capsule is provided with a destructor arranged at least partially within the interior space for destructing said at least one divider. The destructor may be rigid or movable and may be operable from outside the capsule. Operation of the destructor may be dependent on a deformation of the capsule.

As another improvement, a capsule for holding in an interior space a portion of a product for preparing a food product in a food product preparation apparatus comprises a movable actuator, e.g. a mixer, a propeller or a destructor, arranged at least partially in the interior space and being configured to be operable from outside the interior space. This allows e.g. improved dispensing or mixing of at least a product contained within the capsule with a fluid.

In the Figures, embodiments are denoted by hundreds (100,200, etc) and elements that are at least substantially identical or that perform an at least substantially identical function are denoted by the same numeral after the hundred (e.g.101,201,301denote a body of capsules100,200and300, respectively, etc.).

DETAILED DESCRIPTION OF EMBODIMENTS

The general construction and operation of the capsules ofFIGS. 1-4Cwill be explained with reference toFIGS. 1A-1F.

The capsule100has generally elongated tubular shape with a main direction of extension along an axis A and a substantially circular shape in cross-section perpendicular to the axis A, best seen inFIGS. 1E and 1F. The capsule100may however have any other basic shape, e.g. be discoid along the axis A and/or having an ellipsoidal, polygonal, pillow-shaped and/or irregular cross-section section perpendicular to the axis A.

The capsule100comprises a first part or body101and a second part or cap102which are connectable together to form the capsule100. The body101and the cap102are substantially rigid and may be made of any material which is substantially rigid and which is compatible with the product (to be) contained within the capsule, e.g. plastic, metal and/or cardboard, which material may be coated or laminated on an inner and/or outer side, etc. Advantageously, the capsule is liquid tight, and/or gas (e.g. air) tight, at least on a time scale of a required minimum life time of the product to be stored within the capsule (e.g. “Best used before”-date).

The body101comprises along the direction of extension A a closed tip portion103and a hollow sleeve104providing an open end opposite the tip portion. As shown, the body101may be provided with a connector structure105for coupling to a matching connector structure and/or an actuator of an apparatus. Here the connector structure105is in the form of a dent in at least the exterior of the sleeve104and which here extends around the circumference of the sleeve104. The body101further comprises a rim106extending along at least a portion of the sleeve104and protruding radially from the sleeve104with respect to axis A.

The cap102forms a connector portion for connecting to an apparatus and comprises a closed end portion107and a hollow sleeve108providing an open end opposite the end portion107. The end portion107extends radially from the sleeve108with respect to the direction of extension A. In (the sleeve108of) the cap102two inlets109,110and an outlet111are provided, which are in fluid communication with a hollow space defined by the end portion107and the sleeve108. The directions of opening of the inlets109,110and outlet111, and thus the flow direction of a fluid there through are substantially radial with respect to the axis A. The inlet110is provided with a conduit112extending into the interior of the cap102(best visible inFIG. 1F). The cap102may comprise a connector structure113for coupling to a matching connector structure and/or an actuator of an apparatus. The cap102further comprises a tab114which will be discussed in more detail later with respect toFIG. 5.

The sleeve portion108of the cap102fits inside the sleeve104of the body101with an at least liquid tight seal to movably connect the body101and the cap102and to form the capsule100. When connected, the body101and the cap102together define a hollow interior space S in which a product may be contained.

When connected, the body101and cap102are arrangeable in a first state, shown inFIGS. 1A,1B in which the parts101,102are arranged in a first relative position, and in a second state, different from the first state, shown inFIGS. 1C,1D in which the parts101,102are arranged in a second relative position.

In the first state, the cap102and the body101are fit together closely, here with the end portion107of the cap102abutting the sleeve104of the body101. At least a portion of the sleeve104of the body101fully covers the inlets109,110and the outlet111such that they are closed and inaccessible. The interior space S of the capsule100then has a first volume V1.

In the second state, the body101and the cap102are pulled slightly apart along the direction of axis A, e.g. by an apparatus acting on connector structures105,113. In this second state, the inlets109,110and the outlet111are outside the sleeve104of the body101so that they are accessible and the inlets and outlets may be open or openable when otherwise closed, e.g. with a cover foil (not shown). The interior space S of the capsule100then has a second volume V2>V1.

In the second state, cap102provides a substantially rigid possibly somewhat flexible connector portion for connecting to an apparatus. Each inlet109,110may serve to couple and seal at least substantially liquid tight to a corresponding outlet for a fluid of the apparatus.

Introducing a fluid, e.g. water, to the interior space S of the capsule via an inlet109,110, at a relatively low-pressure and/or intermittently allows mixing of the liquid and the capsule contents within the capsule. The resultant mixture may be dispensed straight from the outlet111into a container, e.g. a mixed beverage into a drinking glass, with the outlet111defining the flow direction for the mixture. Providing a high-speed liquid jet to the capsule100through inlet109and out of the outlet111may cause a venturi-effect between the end of the conduit112and the outlet111to pump liquid contents contained in the interior space S out of said space S, during which the liquid and the contents of the capsule may be well mixed. Alternatively or in combination therewith, a fluid such as a liquid or a gas may be introduced into the capsule100, e.g. via the inlet110to empty and/or assist or ensure emptying of the capsule. Using carbonated water for such liquid jet of is conceivable; introducing CO2in the capsule, e.g. via inlet110may counteract degassing of the carbonated water when mixing.

After preparing and dispensing the product the capsule100can be restored to the first state for hygienic disposal.

Suitable contents of the capsule are liquids, syrups and concentrates for beverages or flowable particulate material such as powdered milk and soups. Liquid to be added, in particular water, may be cold, hot or have any other desired temperature.

In an alternative embodiment (not shown) the body101and cap102is configured to provide first and second states differing by a relative rotation about the axis A instead of a relative translation as shown, so as to (un-)cover, (un-)block and/or open one or more inlets and/or outlets. In yet another embodiment (also not shown), the body101and cap102are connected with a screw-coupling, providing both rotation and translation.

Referring now toFIGS. 2A-2B, the capsule200differs mainly from the capsule100in that a first divider215and a second divider216are provided in the interior space S of the capsule200, which separate the interior space S in three separate compartments, C1, C2, C3. The first divider215is wall portion attached to and extending from the end portion207of the cap202towards the tip portion203of the body201and spanning the interior width of the capsule200. The second divider216is a filter attached to the first divider215and extending radially with respect to the axis A and spanning the interior width of the compartment C2to close the compartment off from the compartments C1, C3. The dividers215,216are attached to the cap202and movable with respect to the body201, such that upon rearranging the body201and the cap202from the first state of the container (FIG. 2A) to the second state of the container (FIG. 2B) the position of the filter216is changed and a change of the volume of the interior space S of the capsule200works on compartment C2.

The inlet209of the capsule200is in direct communication with the first compartment C1and the outlet211of the capsule200is in direct communication with the third compartment C3. Due to the divider215, a liquid, e.g. hot water, introduced into the capsule200via inlet209can only exit the outlet211after having passed the second compartment C2as indicated by the arrows inFIG. 2B. The inlet209may be configured to at least partially define a predetermined flow direction for a fluid introduced into the inlet209with a flow direction having a component towards the tip portion203and the second compartment C2.

The capsule200is very well suited for particulate matter, e.g. coffee or loose-leaf tea contained in the second compartment C2, since all water must pass this compartment C2while the particulate matter is held by the filter. The increased volume of the second compartment C2allows swelling of the coffee powder or tea leaves contained therein during brewing of the beverage. As in capsule100, a gas or air pressure may be provided via an inlet (not visible) to assist emptying the capsule from fluids. As in capsule100, when pressure builds inside the capsule200the sleeve208of the cap202is pressed against the sleeve204with increased force and the interconnection is sealed more tightly.

Referring now toFIGS. 3A-3E, the capsule300comprises first to fifth dividers315-319. The first and second dividers315and316are substantially equal in construction and function to the dividers215and216of the capsule200discussed above and divide the interior space of the capsule300in three compartments C1-C3. Likewise, an inlet310is in direct communication with the first compartment C1and an outlet311is in direct communication with the third compartment C3.

The third and fourth dividers317,318are substantially tubular, extend substantially along the direction of extension A from the body301and the cap302, respectively, and together define a fourth compartment C4within the interior space S of the capsule300. The fourth compartment C4is separated substantially fluid-tightly from the other compartments C1-C3. The fifth divider319extends from the cap302within the compartment C4and spans the interior width of the compartment C4. The fourth compartment is in fluid connection with individual inlet309and outlet320.

As the capsules100and200, the capsule300is arrangeable in a first state (FIG. 3A) with the inlets and outlets inaccessible, and in a second state (FIGS. 3B,3C) in which inlets309and310and a first outlet311are open for coupling with an apparatus. In the second state the outlet320of the fourth compartment C4is closed (by the sleeve304) and inaccessible from outside the capsule300. In the second state the capsule300is configured to be used with inlets310and outlet311as described before. The capsule300is further arrangeable in a third state (FIGS. 3D-3E) in which the body301and cap302are in a third relative position such that (also) the outlet320is open. In the third state the fourth compartment C4may be used for preparing a product by introduction of a fluid therein via inlet309, mixing the fluid with a product contained in the fourth compartment C4and dispensing the resultant product via outlet320. The fifth divider319facilitates proper mixing within the fourth compartment C4, as discussed for divider215in capsule200(see the arrows inFIG. 3E).

The first, second and fifth dividers315,316,319are optional, depending on the product contained in the capsule. The capsule300is particularly suited for storing or preserving different types in separate conditions and/or for dispensing different products subsequently, e.g. coffee with a cream layer on top, soup with croutons, dairy products and cereals, or differently coloured cocktails.

In an alternative embodiment (not shown) such capsule may be comprise an inlet for the fourth compartment C4which is closed in the second state and open in the third state. Closing off an inlet or outlet may also be due to cooperation between the third and fourth dividers317,318. Further compartments may be made available in similar fashion. Separated compartments need not be coaxial as shown but may be juxtaposed. They may have equal or different volumes.

Referring now toFIGS. 4A,4B, a capsule400is shown which, like capsule300, comprises first to fourth dividers415-418to divide the interior space of the capsule in four compartments C1-C4. Substantially identical to capsule300, capsule400is also arrangeable in a first state (FIG. 4A), a second state (not shown) and a third state (FIG. 4B) for intentionally closing and opening inlets409,410and outlets411and420. Different from capsule300, capsule400lacks a fifth divider. Instead, a stirrer or mixer421is provided which comprises a plurality of blades422and openings423. The mixer421may be a passive labyrinth but in the shown embodiment the mixer421is movably (rotatably) mounted along the axis A to an elongated spindle424and a fitting425, such that the mixer421substantially stays in place in the first to third states of the capsule400. On an end of the mixer421a connector426is provided, e.g. an I- or X-shaped slot or blade or a hexagonal coupling, for coupling to an actuator (not shown) for operating the mixer421by rotating it about the axis A by hand and/or machine (FIG. 4B). The mixer421facilitates thorough beating of a product in the fourth compartment C4and/or mixing the product with a liquid introduced via inlet409, e.g. for use with poorly-miscible products, or to provide whipped cream or foamed milk for cappuccino.

Another movable actuator may be provided in similar fashion, such as a propeller for dispensing a thick fluid and/or particulate matter, e.g. cereals, croutons etc., from the capsule, e.g. a screw worm. A movable actuator may be provided in any compartment or undivided interior space S of a capsule.

FIG. 5shows a partially cut-away detail of capsule100, which may be substantially identical for any capsule100-400.FIG. 5shows the tab114, best visible otherwise inFIG. 1E, and (portions of) the sleeve104and rim106of the body101and the end portion104and sleeve105of the cap102. The tab114is attached to the cap102with one or more ribs or necks127. The tab114comprises a latch128and machine readable information markings129, e.g. presenting tactile or relief codes, optical marking such as bar code, matrix code, colour code, reflection code and/or magnetic or RFID code, etc.

After manufacture, one or both parts101,102of the capsule100may be filled at least partially with a product. The capsule100is then assembled by inserting the cap102into the body101until the end portion107of the cap102abuts the rim106of the body101. The latch128and the rim106form cooperating latching features to provide a snap-fit for attaching the cap102to the body101. The tab114, the rim106and the necks127are formed such that opening of the capsule100causes deformation and/or rupture of one or more of the necks127and therewith at least partial modification and/or destruction of the tab114. Thus, correct positioning of the markings129for a machine reader is substantially hindered or prevented and, at least machine-detectable, tamper-evidence is provided.

FIGS. 6-8show capsules500,600and700, respectively. Their general construction and operation will now be explained with reference to capsule500inFIGS. 6 and 6A. The capsule500has a generally elongated flattened shape extending in a main direction of extension A. The capsule500comprises a first part or body501and a second part or cap502, which are connectable together to form the capsule500.

Different from the bodies101-401, the body501is formed with plural (here: two) sheets530and531attached together, e.g. by gluing, welding, or rolling along a seam. The body501comprises a closed tip portion503and a hollow sleeve portion504providing an open end opposite the tip portion503. The body501may be substantially rigid or at least partially easily deformable, e.g. flexible and/or pliable. The cap502is substantially rigid, possibly (partially) resilient to facilitating a liquid tight seal to an apparatus. The capsule500may be made of any material which is compatible with the product (to be) contained within the capsule, e.g. plastic, metal and/or cardboard, which material may be coated or laminated on an inner and/or outer side, etc.

The cap502, to be treated in more detail below with respect toFIGS. 9A-11, forms a connector portion for connecting to an apparatus and comprises an end portion507and a hollow sleeve508. The end portion507comprises an optional end plate532and a conduit block533. The sleeve508, here also the conduit block533, is formed pillow-shaped to closely accord the shape of the body501so as to fits inside the sleeve504of the body501with an at least liquid tight seal and prevent points or zones of stress and/or leaks at the interconnection between the body501and the cap502.

A rigid body501may be movably connected to the cap502to form a capsule of the type of capsules100-400, also possibly comprising a tab114. Alternatively and discussed in the following, (the sleeve504of) the body501is flexibly pliable and fixed to (the sleeve508of) the cap502. When connected, the body501and the cap502together define a hollow interior space S in which a product may be contained.

As shown inFIGS. 6B and 6C, a flexible body501may be fixed to the cap502and comprise one or more folds F, e.g. in harmonica fashion with folded sections extending substantially radial to the direction of extension A (FIG. 6B) and/or with sections lying substantially parallel to the direction of extension A (FIG. 6C). In folded state (e.g.FIGS. 6B,6C), (the tip portion of) the body501and the cap502are arranged in a first relative position and define a first volume V1. In unfolded state (e.g.FIG. 6A) (the tip portion of) the body501and the cap502are arranged in a second relative position and define a second volume V2>V1. Unfolding may be in portions, to provide a third or further state with according volume V3, V4etc. One or more folded sections may overlap the sleeve508, whereby one or more inlets and or outlets may be inaccessible and/or closed in a (partially) folded state and be accessible of open in a (partially) unfolded state. Folds may further be used to provide a tamper-evident portion.

To be discussed in more detail below, the cap502provides a plurality of inlets and outlets for using the capsule. Shown inFIG. 6is a foil cover534which may cover one or more inlets and/or (as shown here:) outlets, e.g. for hygienic reasons, and which may comprise machine readable information markings Upon use of the capsule500the cover534is perforated or removed, e.g. by a product forcefully injected into or ejected from the capsule, respectively, providing tamper-evidence and preventing an accurate machine reading of the information markings originally present.

Referring now toFIG. 7, the capsule600comprises a body portion601, a cap602and a cover634. Different from capsule500, in the capsule600a first divider635is provided in the interior space S of the capsule600separating the interior space S in a first compartment C1and a second compartment C2. The shown divider635is configured to be attached to the first and second sheets630,631forming the body601. The divider635may be a filter to retain particulate matter, e.g. coffee grounds or tea leaves.

Referring now toFIG. 8, the capsule700comprises a body portion701, a cap702and a cover734. The capsule700is provided with an insert736within the interior space S. The insert736is formed by a divider in the form of two sheets737,738enclosing a compartment C2, therewith separating the interior space S in a first compartment C1and a second compartment C2. Different from capsule600, the inset736is not attached to another portion of the capsule but forms a “floating” insert in the capsule700.

Referring now toFIGS. 9A-11, several embodiments of caps for use in one or more of the capsules500-700will be discussed. It should be noted that the presented aspects also apply mutatis mutandis to the caps102,202,302and/or402ofFIGS. 1A-4B.

FIGS. 9A and 9Bare perspective views of cap502andFIG. 9Cis a cross-sectional view of the cap502in the plane IXC indicated inFIG. 9A. Likewise,FIG. 10Ais a perspective view of a cap502A andFIG. 10Bis a cross sectional view thereof in the plane XB indicated inFIG. 10A.FIG. 11is a perspective view of a cap502B.

The cap502(502A,502B) comprises an end portion507with an end plate532and a conduit block533, and a hollow sleeve portion508. The end plate532and optional wings539define abutments for the sleeve504of the body501(not shown here).

The conduit block533comprises one or more (here: three) inlets540-542for coupling to a corresponding outlet for a fluid of an apparatus, one or more outlets543-545for dispensing a product. In the conduit block533, one or more connections (e.g.546and547, respectively) between (one or more compartments of) the interior space S of a capsule and an outlet (e.g.543) or an inlet (e.g.542) are provided. As with the cap102, the inlets and outlets of the cap502extend substantially perpendicular to the main axis of extension of the capsule A.

As shown inFIGS. 9C and 10B, one or more inlets540-542may be closed off with walls548-550within the conduit block533(FIG. 9C). This facilitates standardising connections of both capsule and apparatus while adapting the architecture of the conduits cap to suit a particular product/capsule. It further allows preserving the contents of the capsule. To facilitate removing the obstruction of such optional wall550and the inlet542with the interior space S of the capsule via connection547the wall550is provided with a forcing pin or stub551. The conduit portion533, wall550and stub551may be formed such that upon breaking off the wall the freed portion550,551is retained in the conduit portion533and prevented from entering the interior space S of the capsule. The (tip552of the) stub551may comprise one or more information marks, which become modified or illegible by an automated reader upon opening the capsule.

Just as discussed for capsules100-300, executing a preparation recipe may require introduction of one or more fluids into (a compartment of) the capsule. To dispense a fluid without mixing with a product contained within the capsule one or more bypass conduits may be provided. This may be beneficial for dispensing carbonated beverages, since redirecting or obstructing a flow thereof may cause premature release of the gas. Cap502A ofFIGS. 10A,10B comprises two bypasses (541-544and542-545) and an outlet for a product contained in the capsule, e.g. a syrup, for mixing with carbonated water underway to or in a container e.g. a glass. As in capsule100, a venturi-based mixing arrangement may also be provided. Cap502B further comprises a pointed protrusion553and three ribs554, to be discussed below.

FIG. 12shows a portion of an assembly comprising an apparatus1for preparing liquid food products and a capsule500. The apparatus1comprises a receptacle2for operatively holding the capsule, here comprising two shells3,4configured to operably receive and hold at least a portion of a capsule of the type500-700. The apparatus comprises a connector portion5which comprises a number of outlets6for a fluid. The outlets6correspond to inlets540-542of the capsule500and are provided with a sealing portion to couple with the corresponding inlets540-542with a substantially liquid- and gas tight connection. The outlets6may be connected to a manifold for supplying fluids such as hot and/or cold water, carbonated water, pressurised gas (e.g. air or CO2). The apparatus further comprises a plunger7(see below). The apparatus1may comprise a reader (not shown) configured to read information markings provided on the capsule500and a controller to process the information and to operate the apparatus accordingly. As shown, the end portion507of the capsule500may remain visible to an operator from outside of the apparatus1during use of the assembly facilitating identifying and/or advertising a product.

FIGS. 13A-13Eindicate a method of preparing a liquid food product with the assembly of a capsule500and the apparatus1. The method comprises: arranging the capsule500containing a product to be prepared in the apparatus (FIG. 13A), optionally reading information markings provided on the capsule, and preparing the liquid food product, where appropriate based on the information provided by the information markings. In the shown method preparation of the product involves:optionally adapting the receptacle to the size of the capsule500along the direction of extension A by appropriately positioning the plunger7;introducing on or more fluids, e.g. (carbonated) water or a gas, from an outlet6into (a compartment in) the interior space S of the capsule500via an inlet540-542. During this, a suitably formed capsule may become pressurised and increase in volume;allowing at least a portion of the fluid and at least a portion of the product to mix within the interior space S of the capsule500(FIG. 13B);dispensing at least a portion of the fluid, the product and/or the mixture from the container (FIG. 13C). In appropriate cases, dispensing may start when the internal pressure within the capsule has risen sufficient to rupture or tear away the cover534. It may be observed that the apparatus1and the capsule500are configured such that the prepared product is dispensed straight from (an outlet543of) the capsule500, without the apparatus1requiring a spout. Inadvertent mixing of subsequently produced products is thus prevented.

To assist and/or expedite dispensing from the container the shown apparatus1comprises and uses an actuator, here a plunger7, for deforming e.g. compressing a deformable container500(FIGS. 13C-13E). Such compressing is facilitated by the cap502being substantially rigid, allowing the apparatus1to couple with appropriate features of the capsule, e.g. the wings539of the cap520, for counteracting pressure of the plunger7. A compressed capsule reduces waste volume, further, a capsule once freed from the apparatus is likely to relax somewhat and therewith may suck liquid product back into the capsule. Thus, leaking is prevented at least initially after removing the capsule.

Such method of preparation is very well suited for preparation of beverages from powders, syrups or concentrates, e.g. soft drinks, cocoa, smoothies and/or alcoholic beverages.

Upon closing the receptacle and/or opening an inlet and/or outlet of the capsule information markings may be deformed and/or destroyed so as to prevent reuse of the capsule. This is most relevant for a capsule which is substantially not deformed during use, since deformation of the capsule, e.g. compressing, may generally indicate prior use to consumer and apparatus alike.

An apparatus configured for use with a capsule ofFIGS. 1-6Cmay comprise an actuator for rearranging the first and second parts between their first, second and/or third etc. states.

Since the inlets and outlets of the shown embodiments are oriented substantially perpendicular to the axis A and the manipulation compression is operational in the direction of the axis A, interference between manipulation and executing a recipe or dispensing may be minimal.

FIGS. 14A-14Eshow a method of brewing coffee as a method for preparing a product with capsule600ofFIG. 7. The capsule600contains coffee in the second compartment C2which is separated from an inlets and outlets by a filter divider635. The interior space S of the capsule600is otherwise preferably evacuated and/or provided with a protective atmosphere to preserve the product.

The capsule600is arranged in the apparatus1(FIG. 14A) and information markings on the capsule may be read to identify a suitable brewing processes.

The capsule600is opened, possibly destroying any information markings, and hot water is introduced into the first compartment C1of the capsule600. The water is left to permeate the filter635and to wet the coffee in the compartment C2(FIG. 14B). The capsule600is flexible, folded or somewhat elastic to allow the coffee to swell within the capsule600. At a desired time the brewed product (coffee) may be dispensed from the capsule. The capsule may be sized to comprise the contents of a full cup of coffee or only a fraction thereof. In the latter case dispensing of the brewed product may include introduction of additional water or mixing with water dispensed via a bypass. Shown inFIGS. 14C-14Dis again forced dispensing by compressing the container. Coffee grounds are retained by the filter635within the capsule at the end of the brewing process.

Such capsule and method are also very well suited for brewing espresso or tea and/or preparing other extracts. Sweetener or sugar and/or creamer or milk may also be dispensed via a bypass conduit.

FIGS. 15A-15Dshow a method of preparation of a product with the capsule700ofFIG. 8. The capsule700is arranged in the apparatus1(FIG. 14A) and information markings on the capsule700may be read to identify a suitable preparation recipe. Next a fluid, e.g. water or carbonated water is introduced into the first compartment C1and allowed to mix with the product contained therein (FIG. 15B). The mixed product is then dispensed from the capsule. In case the dividing wall737,738of the insert is not dissolved (fast enough) in the mixture in the first compartment C1, forced dispensing with a plunger7may be applied (FIG. 15C). Since the insert is “floating” within the compartment C1this compartment will be emptied first, until substantially only the insert remains. Upon continued compression by the plunger7the insert will burst such that its contents can be dispensed, allowing to dispense a dual-layered product (FIG. 15D).

Similar effect may be achieved with destructing the divider of a capsule600having a non-permeable divider635or a capsule having an insert736which is attached to a portion of the container at one or more positions.

To facilitate destructing the divider635,737,738, the capsule may comprise a destructor such as the protrusion553of cap502B ofFIG. 11. This may reduce load on the apparatus and increase reliability of the desired rupturing. To ensure the possibility of fluid flow between a wall or a divider and a cap502-702, a cap may comprise separators such as the ribs554(see cap502B ofFIG. 11) to provide a channel for fluid.

Such capsule and method of preparation are particularly suited for preparation of cappuccino, (alcoholic or non-alcoholic) cocktails or hot cocoa with cream. Soups with croutons are also conceivable, with the croutons comprised in an insert, which insert should be ruptured and the croutons dispensed before being crumbled by the plunger7.

The invention is not restricted to the above described embodiments which can be varied in a number of ways within the scope of the claims. For instance a capsule of the type100-400may comprise at least one divider for dividing the volume of the interior space in at least a first compartment and a second compartment. Said divider may be configured, e.g. attached to one of the first and second parts, such that in the first state of the first and second parts the first compartment and the second compartment are separated and in the second state of the first and second parts the first compartment and the second compartment are in fluid communication with each other.

This allows mixing of contents contained within the capsule at a predetermined time, e.g. prior to introduction of a fluid to the contents.

A capsule of such type may further comprise an insert, e.g. a floating insert and be arrangeable in a third state (relative position of the parts) wherein said insert may enter (e.g. fall, be pushed or be pulled) a compartment into which it cannot fit in the first and second state. Upon returning the capsule to the second state the insert may be ruptured, e.g. with the aid of a destructor, so as to free its contents into the interior space of the capsule and/or for dispensing.

A divider may comprise any desired characteristic dependent on its desired function(s), e.g. it may be soft, flexible, rigid, closed and/or partially open e.g. as a filter, etc. A divider may be substantially permanent, e.g. at least for the desired shelf-life of the capsule, and it may be degradable e.g. soluble.

A capsule of the type100-400may also be wholly or partially compressible as described above with reference toFIGS. 13A-15D. A capsule of the type500-700may also comprise a movable actuator, e.g. a mixer. For reliability the actuator may be attached to a substantially rigid cap. In case the mixer extends into the capsule not further than a sleeve508of a cap502or substantially identical embodiment, breaking off of the mixer in pieces which may enter the product to be prepared may be prevented. For safety reasons, any actuator and/or divider may be provided with one or more weak spots or regions, such that in case of fracture the fragments are likely to be too large to pass through an outlet so that they should not end up in the prepared and dispensed product.

Elements and aspects discussed for or in relation with a particular embodiment may be suitably combined with elements and aspects of other embodiments, unless explicitly stated otherwise.