EP2809584B1 - Packaging containing a consumable - Google Patents

Packaging containing a consumable Download PDF

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Publication number
EP2809584B1
EP2809584B1 EP13704998.7A EP13704998A EP2809584B1 EP 2809584 B1 EP2809584 B1 EP 2809584B1 EP 13704998 A EP13704998 A EP 13704998A EP 2809584 B1 EP2809584 B1 EP 2809584B1
Authority
EP
European Patent Office
Prior art keywords
container
consumable
side wall
elastic side
foodstuff
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP13704998.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2809584A1 (en
Inventor
Helen COOPER
Gavin Cooper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Team Grasshopper Ltd
Original Assignee
Team Grasshopper Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Team Grasshopper Ltd filed Critical Team Grasshopper Ltd
Publication of EP2809584A1 publication Critical patent/EP2809584A1/en
Application granted granted Critical
Publication of EP2809584B1 publication Critical patent/EP2809584B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/0292—Foldable bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/24—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for shaping or reshaping completed packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/08—Containers of variable capacity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/08—Containers of variable capacity
    • B65D21/086—Collapsible or telescopic containers

Definitions

  • the present invention relates to packaging containing a consumable.
  • Such foodstuffs are provided in containers in which they may be hydrated, e.g. rehydrated, and heated prior to consumption by the consumer. This hydration and heating may be achieved, for example, by adding a hot liquid to the container containing the dehydrated or partially dehydrated foodstuff.
  • the containers in which the dehydrated, or partially dehydrated, foodstuffs are provided are large enough to contain the foodstuff after it has been hydrated for consumption. However, whilst the foodstuff is in its dehydrated or partially dehydrated state, the volume of the container tends to be much larger than that occupied by the foodstuff. Thus, space is wasted.
  • GB 2 080 756 discloses an example of a packaging containing an amount of a consumable.
  • the present invention provides a packaging according to claim 1, a method according to claim 12 and a container according to claim 14.
  • the elastic side wall may comprise a bellows-like structure.
  • the container may further comprise a non-expandable top portion disposed between the open end and the elastic side wall, the top portion being contiguous with the opening.
  • the non-expandable top portion may comprise a flange or shoulder.
  • the non-expandable top portion may comprise an externally screw-threaded portion for receiving an internally screw-threaded lid.
  • the container may further comprise a non-expandable bottom portion disposed between the closed end and the elastic side wall, the bottom portion being contiguous with the closed end.
  • the container may be made of a heat resistant material.
  • the compound may comprise 93% low density polyethylene.
  • the compound may comprise 7% high density polyethylene.
  • the height of the container Prior to being expanded, the height of the container may be between 40mm and 50mm.
  • the container may be expandable such that the height of the container is between 70mm and 90mm.
  • the consumable may be a consumable selected from a group consisting of a foodstuff, a medicine, paint and powdered paint.
  • the consumable may be an at least partially dehydrated foodstuff.
  • the closure may be perforated.
  • the closure may be an airtight seal.
  • the container may be expandable such that, on removing or breaking the airtight seal, the container may be expanded to have a second volume. Such expansion of the container to have the second volume may be unaided expansion caused by the elasticity of the container.
  • the consumable may be to be combined with an amount of liquid, and the second volume may be greater than or equal to a volume occupied by the combination of the amount of the consumable and the amount of the liquid.
  • the step of closing may be by means of an airtight seal.
  • the elastic side wall may be compressible along its length such that the height of the container when the elastic side wall is in its uncompressed state is larger than the height of the container when the elastic side wall is in its compressed state.
  • the elastic side wall may comprise a bellows-like structure.
  • the container may further comprise a non-expandable top portion disposed between the open end and the elastic side wall, the top portion being contiguous with the opening.
  • the non-expandable top portion may comprise a flange or shoulder and the step of compressing the container is performed by applying a force to the flange or shoulder.
  • the non-expandable top portion may comprise an externally screw-threaded portion, and the step of closing comprises screwing an internally screw-threaded lid onto the externally screw-threaded portion.
  • the container may further comprise a non-expandable bottom portion disposed between the closed end and the elastic side wall.
  • the container may be made of a heat resistant material.
  • the height of the container Prior to being expanded, the height of the container may be between 40mm and 50mm.
  • the container may be expandable such that the height of the container is between 80mm and 90mm.
  • the consumable may be a consumable selected from a group consisting of a foodstuff, a medicine, paint and powdered paint.
  • the consumable may be an at least partially dehydrated foodstuff.
  • the non-expandable top portion may comprise a flange or shoulder.
  • the container may be made of a heat resistant material.
  • the height of the container may be 80mm.
  • the height of the container may be between 40mm and 50mm.
  • the height of the container may be 45mm.
  • the step of closing may be performed by means of an airtight seal applied over the open end of the container.
  • the step of closing may comprise screwing an internally screw-threaded lid onto the externally screw-threaded portion.
  • the step of compressing the container may comprise applying a force to the flange or shoulder.
  • Figure 1 is a schematic illustration (not to scale) of a perspective view of an expandable container 2.
  • the container 2 comprises a top portion 4, a bottom portion 6, and an intermediate portion 8.
  • the intermediate portion 8 is disposed between the top portion 4 and the bottom portion 6.
  • the intermediate portion 8 has a bellow-like structure and may be expanded or compressed in folds like a bellows or a concertina. In other words, the intermediate portion 8 is expandable (i.e. may be elongated) and compressed.
  • the container 2 is generally cylindrical in shape.
  • the container 2 is made of low density polyethylene (LDPE).
  • LDPE low density polyethylene
  • the container 2 may be made using any appropriate process, e.g. blow-moulding.
  • the container may be transparent, translucent, or opaque.
  • the container 2 is shown in Figure 1 in its fully expanded state.
  • the container 2 may be changed from its fully expanded state to a fully compressed state by applying a compressive force (sufficient to overcome the resistive force of the intermediate portion 8, i.e. to overcome the resilience of the intermediate portion 8) to move the top portion 4 and the bottom portion 6 together.
  • the volume of the container 2 reduces, i.e. the cavity of the container 2 is made smaller.
  • air is forced out of the container 2 through the opening 10.
  • the elasticity of the intermediate portion 8 is such that the container 2 expands back to its fully expanded state of its own accord. In other words, the intermediate portion 8 has sufficient elasticity to return to its original state (i.e. the expanded state) unaided.
  • the intermediate portion 8 is an elastic side wall of the container 2.
  • the volume of the container 2 increases, i.e. the cavity of the container 2 gets larger.
  • air is drawn into the container 2 through the opening 10.
  • the top portion 4 forms the top of the container 2.
  • the top portion 4 comprises an opening 10 through which foodstuffs may be placed into, or removed from, the container 2.
  • the top portion 4 further comprises a screw threaded portion 12 and a flange 14.
  • the screw threaded portion 12 is disposed between the opening 10 and the flange 14.
  • the screw thread of the screw threaded portion 12 is disposed on the external surface of the top portion 4, i.e. the screw thread is an external screw thread.
  • the screw threaded portion 12 is contiguous with the opening 10.
  • the flange 14 projects radially outwards from the upright surface of the top portion 4.
  • the flange 14 is continuous around the circumference of the top portion 4.
  • the bottom portion 6 forms the bottom (i.e. closed end) of the container 2.
  • the bottom portion 6 is non-expandable and non-compressible (relative to the intermediate portion 8).
  • the intermediate portion 8 comprises a plurality of tapered rings 16.
  • Each tapered ring 16 has the shape of the frustum of a cone.
  • Each tapered ring 16 has a relative larger diameter at one end, and a relatively smaller diameter at an opposite end.
  • the tapered rings 16 are disposed as follows. At the top of the intermediate portion 8, a tapered ring 16 is attached, at the end of that tapered ring 16 having the relatively larger diameter, to the top portion 4. Also, at the bottom of the intermediate portion 8, a tapered ring 16 is attached, at the end of that tapered ring 16 having the relatively larger diameter, to the bottom portion 4.
  • a plurality of tapered rings 16 are contiguously disposed between the tapered ring 16 at the top of the intermediate portion 8 and the tapered ring 16 at the bottom of the intermediate portion 8. This is such that the end of a tapered ring 16 having the relatively larger diameter is attached to the end having the relatively larger diameter of an adjacent tapered ring 16. Also, this is such that the end of a tapered ring 16 having the relatively smaller diameter is attached to the end having the relatively smaller diameter of an adjacent tapered ring 16.
  • the intermediate portion 8 comprises a bellows-like structure formed from a contiguous series of tapered rings 16.
  • the ends of the tapered rings 16 that have the relatively larger diameters move closer together. Also, the ends of the tapered rings 16 that have the relatively smaller diameters move closer together.
  • the elasticity of the intermediate portion 8 is such that the ends of the tapered rings 16 that have the relatively larger diameters move apart. Also, the ends of the tapered rings 16 that have the relatively smaller diameters move apart (i.e. the intermediate portion reverts to its original expanded state).
  • Figure 2 is a schematic illustration (not to scale) of a side view of the container 2 in its fully expanded state.
  • Figure 3 is a schematic illustration (not to scale) of a side view of the container 2 in its fully compressed state.
  • Figures 2 and 3 indicate the dimensions of the container 2 in this embodiment.
  • the height of the container 2 in its fully expanded state is in the range 70mm to 90mm. More preferably, the height of the container 2 in its fully expanded state is 80mm. Preferably, the volume of the container 2 in its fully expanded state is approximately 355ml.
  • the height of the container 2 in its fully compressed state is in the range 40mm to 50mm. More preferably, the height of the container 2 in its fully compressed state is 45mm. Preferably, the height of the container 2 in its fully compressed state from its closed end (i.e. the bottom of the bottom portion 6) to the underside of the flange 14 is 29.65mm.
  • the ratio between the height of the container 2 in its fully expanded state and the height of the container 2 in its fully compressed state may be a different value.
  • the height of the container 2 in its fully compressed state may be less than or equal to three quarters of the container 2 in its fully expanded state.
  • the height of the container 2 in its fully compressed state may be less than or equal to two thirds of the container 2 in its fully expanded state.
  • the height of the container 2 in its fully compressed state may be less than or equal to half of the container 2 in its fully expanded state.
  • the height of the container 2 in its fully compressed state may be less than or equal to one third of the container 2 in its fully expanded state.
  • the height of the container 2 in its fully compressed state may be less than or equal to one quarter of the container 2 in its fully expanded state.
  • the vertical height of the top portion 4 from the opening 10 to the upper surface of the flange 14 is 12mm.
  • the external diameter of the flange 14 of the top portion 4 is 87mm.
  • the external diameter of the bottom portion 6 is 87mm.
  • the container when the container is in its fully compressed state (as shown in Figure 3), the container is filled with a foodstuff.
  • This foodstuff is not shown in Figure 3 and will be described in more detail later below.
  • the container 2 may be filled with any appropriate amount of foodstuff, for example, 60g to70g of the foodstuff, or 50ml to 120ml of the foodstuff.
  • the volume occupied by the foodstuff is less than or equal to the volume of the fully compressed container 2.
  • Figure 4 is a process flow chart showing certain steps of an embodiment of a process of packaging a foodstuff (using the container 2) for delivery to a consumer.
  • the container 2 is coupled to a filling apparatus.
  • Figure 5 is a schematic illustration (not to scale) of a side view the container 2 coupled to the filling apparatus at step s2.
  • Figure 6 is a schematic illustration (not to scale) of a top view the container 2 coupled to the filling apparatus at step s2.
  • Figure 7 is a schematic illustration (not to scale) of a cross section (taken along the dotted line X-X shown in Figure 5 ) of the container 2 coupled to the filling apparatus at step s2.
  • the filling apparatus comprises a conveyor belt 20 and two parallel rails 22.
  • the conveyor belt 20 is configured to move objects placed on it (i.e. the container 2) in the direction indicated in Figures 5 and 6 by the arrow and the reference numeral 24.
  • the conveyor belt 20 and the rails 22 are parallel.
  • the rails 22 are parallel to the direction 24 of the conveyor belt 20.
  • the distance between the rails is substantially equal to the external diameter of the opening 10 of the container 2.
  • the height of a rail 22 above that point is substantially equal to the height of the other rail 22 above that point.
  • the height of the rails 22 above the conveyor belt 20 reduces along the length of the conveyor belt 20 in the direction 24 of the conveyor belt 20.
  • the height of the rails 22 above the conveyor belt 20 reduces from a first height 100 (the first height 100 being substantially equal to the height of the flange 14 above the bottom of the container 2 when the container is in its fully expanded state) to a second height 102 (the second height 102 being substantially equal to the height of the flange 14 above the bottom of the container 2 when the container is in its fully compressed state).
  • step s2 container 2 is placed upright on the conveyor belt 20 such that the bottom of the container 2 (i.e. the closed end) is in contact with the conveyor belt 20, and such that the opening 10 (at the top of the container 2) is accessible from above.
  • the container 2 is positioned at a point along the conveyor belt where the rails 22 are at the first height 100 with respect to the conveyor belt 20. Also, in this embodiment, at step s2 the container 2 is positioned such that the rails 22 are in contact with an upper surface of the flange 14, and at opposite sides of the container 2 from one another.
  • the container 2 is compressed.
  • this compression of the container 2 is performed by, using the conveyor belt 20, moving (i.e. conveying) the container 2 with respect to the rails 22 from the position where the rails 22 are at the first height 100 with respect to the conveyor belt 20, to a position where the rails 22 are at the second height 102 with respect to the conveyor belt 20.
  • Figure 8 is a schematic illustration (not to scale) of a side view the container 2 coupled to the filling apparatus after step s4 has been performed.
  • Figure 9 is a schematic illustration (not to scale) of a cross section (taken along the line Y-Y shown in Figure 8 ) of the container 2 coupled to the filling apparatus after step s4 has been performed.
  • the height of the rails 22 above the conveyor belt 20 changes from the first height 100 to the second height 102.
  • the rails 22 exert a downwards (i.e. compressive) force on the upper surface of the flange 14. This force exerted by the rails 22 is sufficient to overcome the resistive force of the intermediate portion 8 and so the container 2 is compressed into its fully compressed state.
  • the container 2 is filled with a predetermined amount of a foodstuff.
  • a predetermined amount of a foodstuff is inserted into the fully compressed container 2.
  • the predetermined amount of foodstuff is in the range 60g to 70g of foodstuff.
  • the volume occupied by the predetermined amount of (dried) foodstuff is less than or equal to the volume of the container 2 in its fully compressed state.
  • the foodstuff is a dried foodstuff.
  • the terminology "dried foodstuff' is used herein to refer a dehydrated foodstuff or partially dehydrated foodstuff (i.e. an at least partially dehydrated foodstuff) that is to be hydrated (e.g. rehydrated) prior to consumption by a consumer.
  • the foodstuff is a foodstuff that is to be heated prior to consumption by a consumer.
  • the foodstuff may be porridge oats, dried soup, dry pasta, dry couscous, dry noodles, dried rice pudding, dried risotto, etc.
  • the foodstuff may also be a dried drink, for example dried coffee granules (e.g.
  • the foodstuff may also be a foodstuff that is to be diluted prior to consumption, e.g. a cordial or syrup. Hydration and heating of the foodstuff may be achieved by adding a hot liquid (e.g. boiling water) to the foodstuff, e.g. as described in more detail later below with reference Figure 11 .
  • a hot liquid e.g. boiling water
  • the volume occupied by the predetermined amount of foodstuff after the foodstuff has been hydrated (e.g. rehydrated) for consumption is greater the volume of the container 2 in its fully compressed state.
  • an airtight seal is applied over the opening 10 of the container 2.
  • the airtight seal is applied by a sealing unit (not shown in the Figures).
  • the airtight seal is made of a coextruded paper or polyethylene film.
  • the airtight seal is applied to the opening a using heat based adhesion process that effectively welds a part of the seal to the container rim by application of heat.
  • a different type of airtight seal is used (e.g. an aluminium foil).
  • a different method for affixing the seal to the container 2 is used (e.g. gluing).
  • the air tight seal applied at step s7 prevents air entering the container 2 (via the opening 10). Since air is prevented from entering the container 2, the container 2 is prevented from reverting to its fully expanded state. In other words, when the airtight seal is applied to the opening 10, if the compressive force applied to the container 2 by the rails 22 were to be removed, the elasticity of the intermediate portion 8 would attempt to revert the container 2 back to its original (expanded) state. This would lower the air pressure inside the container 2 relative to the air pressure on the outside of the container 2. This relatively high air pressure on the outside of the container 2 would hold the container 2 in its compressed state.
  • a rigid plastic lid is screwed onto the screw-threaded portion 12 of the container 2.
  • packaging containing the foodstuff is formed.
  • Figure 10 is a schematic illustration (not to scale) of an exploded view the packaging containing the foodstuff 28.
  • the packaging comprises the container 2 (in its compressed state), the airtight seal 30, and the lid 32.
  • the foodstuff 28 is positioned inside the compressed container 2, i.e. inside the cavity of the container 2 whilst in its compressed state.
  • the airtight seal 30 seals the opening 10 of the container 2, thereby keeping the container 2 in its compressed state.
  • the container 2 is kept in its compressed state as long as the airtight seal 30 remains intact, i.e. prevents air entering the container 2 via the opening 10.
  • the lid 32 comprises an internal screw threaded portion (not shown).
  • the lid 32 is screwed onto the screw-threaded portion 12 of the compressed container 2.
  • the lid 32 advantageously tends to prevent damage to, or tampering with, the airtight seal 30.
  • the lid 32 tends to prevent the airtight seal 30 being comprised and undesirably permitting air to enter to container 2 (and thereby allowing the container 2 to revert back to its expanded state).
  • the lid 32 further comprises a plurality of ridges 34 around its circumference. These ridges 34 advantageously tend to facilitate the gripping of the lid 32 by a consumer to aid the removal of the lid 32 from the container 2. However, in other embodiments, the lid 32 does not comprise such ridges, i.e. the lid 32 is smooth.
  • the lid 32 provides a further airtight seal for the container 2.
  • either one of the lid 32 or the airtight seal 30 may be removed and the container 2 will remain in its fully compressed state (because the other of the airtight seal 30 or lid 32 is remains intact thereby preventing the expansion of the container 2).
  • the packaging containing the foodstuff 28 is removed from the filling apparatus for delivery to a consumer.
  • the packaging remains in its fully compressed state as the airtight seal 30 prevents air entering the container 2 through the opening 10.
  • the packaging Prior to delivery to the consumer, the packaging may, for example, by covered by a decorative sleeve that may comprise e.g. instructions for use, nutritional information etc.
  • Figure 11 is a process flow chart showing certain steps of an example process by which a consumer may use the packaging and foodstuff 28 provided therein.
  • the consumer removes, by unscrewing, the lid 32 from the container 2.
  • step s22 the consumer removes the airtight seal 30 from the container 2.
  • the container 2 reverts to its original expanded form.
  • the elasticity of the intermediate portion 8 causes the intermediate portion 8 to extend (moving apart the top and bottom portions 4, 6). This expansion draws air into the container 2 from outside the container, through the opening 10 (from which the seal 30 has been removed). The intermediate portion 8 expands until the container 2 is in its original fully expanded state.
  • the consumer adds a pre-determined amount of a hot liquid to the container 2.
  • the pre-determined amount of the hot liquid is an amount sufficient to hydrate the foodstuff 28.
  • the pre-determined amount of hot liquid may be indicated to the consumer in any appropriate way, for example, by a mark on the surface of the container 2 to which the container 2 is to be filled with hot liquid (i.e. a "fill level" marker).
  • the foodstuff 26 is hydrated and heated inside the container 2.
  • the volume occupied by the predetermined amount of the foodstuff 28 after it has been hydrated with a (further) predetermined amount of liquid is less than or equal to the volume of the container 2 in its fully expanded state.
  • the volume occupied by the predetermined amount of the foodstuff 28 after it has been hydrated with the (further) predetermined amount of liquid is greater than the volume of the container 2 in its fully compressed state.
  • the consumer may replace the screw lid 32 onto the container 2 and leave the foodstuff 28 to stand (i.e. to "cook") for a certain time period.
  • the replacement of the lid 32 advantageously tends to prevent spillage of the heated and hydrated foodstuff 28 during the cooking process, and also tends to prevent the heated and hydrated foodstuff 28 cooling too much before consumption.
  • the consumer consumes the contents of the container 2 (i.e. the hydrated and heated foodstuff 28) from the container 2.
  • the container 2 advantageously provides a vessel from which the hydrated foodstuff 28 may be consumed.
  • the container being made of LDPE advantageously tends to provide that the container is sufficiently flexible to allow for relatively easy compression (from the fully expanded state to the fully compressed state). Also, the container being made of LDPE advantageously tends to provide that the container is sufficiently elastic to provide that the intermediate portion of the container reverts the container back to its original expanded state from a compressed state when a compressive force is removed from the container.
  • the wall thickness of the container is such that the container is sufficiently flexible to allow for relatively easy compression (from the fully expanded state to the fully compressed state). Also, advantageously the wall thickness of the container is such that container is sufficiently elastic to provide that the intermediate portion of the container reverts the container back to its original expanded state from a compressed state when a compressive force is removed from the container.
  • the wall thickness of the container 2 is 0.75mm and 1.5mm.
  • the container is advantageously recyclable.
  • the container is advantageously reusable. For example, after the foodstuff has been consumed, the container may be recompressed and refilled, and an airtight seal (e.g. the screw lid) reapplied. The reapplied airtight seal prevents air entering into the container, thereby keeping the container in its recompressed (e.g. fully compressed) state.
  • an airtight seal e.g. the screw lid
  • the height of the container in its fully compressed state (i.e. the height of the packaging containing the foodstuff) is less than or equal to 45mm.
  • the packaging containing the foodstuff is space-efficient in the vertical direction.
  • the packaging containing foodstuff tends to be compatible with food trays used to serve food to customers onboard commercial aircraft.
  • Such airline food-trays typically do not contain food packaging that is above 45mm in height. This is so that the food trays can be stowed on board the aircraft easily.
  • the volume of the container in its fully compressed state i.e. the volume of the packaging containing the foodstuff when it is delivered/transported to the consumer
  • the volume of the container in its fully expanded form i.e. the volume of the container when the foodstuff is consumed by the consumer.
  • the packaging containing the foodstuff tends to be advantageously portable e.g. by a consumer.
  • the packaging containing the foodstuff may easily be transported by the consumer e.g. to work etc.
  • the container having an expanded state advantageously provides that a vessel that is large enough to contain the hydrated foodstuff is supplied to the consumer.
  • the consumer may conveniently use the container to consume the hydrated foodstuff from.
  • the airtight seal provided by the airtight seal 30 and the lid 32 advantageously provides that the foodstuff is kept relatively fresh (and free from contamination) prior to consumption by the consumer.
  • the above described filling apparatus advantageously tends to provide for a continuous production line. This tends to be an efficient manufacturing method.
  • the volume of the container in its expanded state may advantageously be such that the hydrated and heated foodstuff does not extend above the intermediate portion.
  • the non-extendable top portion of the container advantageously an area that the consumer may grip the container without experiencing discomfort from the heat of the hydrated and heated foodstuff.
  • the container is generally cylindrical in shape, made of LDPE, and may be made using any appropriate process, e.g. blow-moulding.
  • the container may be a different shape (e.g. a cuboid) and/or made of a different appropriate material.
  • the container may be made of silicon. This is advantageously flexible and heat resistant.
  • the container may be made using a different process.
  • the container is made of a compound of low-density polyethylene (LDPE) and high-density polyethylene (HDPE).
  • the container is made of a compound of LDPE and HDPE, the compound comprises 5-10% HDPE and 90-95% LDPE.
  • the compound comprises 7% HDPE and 93% LDPE.
  • the container being made of a compound of LDPE and HDPE advantageously tends to increase the stiffness of the container such that the container is sufficiently flexible to allow for relatively easy compression (from the fully expanded state to the fully compressed state).
  • the container being made of a compound of LDPE and HDPE advantageously tends to provide that the container is sufficiently elastic to provide that the intermediate portion of the container reverts the container back to its original expanded state from a compressed state when a compressive force is removed from the container.
  • the container being made of a compound of LDPE and HDPE advantageously tends to provide that the container is stiffer (more rigid) than if the container is made of LDPE alone. This tends to provide that, e.g. during the filling process described herein, deformation of the container other than that desired (i.e. other than the deformation of the intermediate portion during compression of the container from its fully expanded state to the fully compressed state) is reduced or eliminated. For example, deformation of the top and bottom portions of the container tends not to occur (e.g. during filling).
  • the container is elastic, i.e. when the container has been compressed into its fully compressed state, and a compressive force that compressed the container is removed from the container, the container expands back to its fully expanded state (due to the elasticity of the intermediate portion).
  • the container is not elastic. In other words, when the container has been compressed into its fully compressed state, and a compressive force that compressed the container is removed from the container, the container does not automatically expand back to its fully expanded state, and instead remains in its compressed state. In this case, the container may be changed from its fully compressed state back to its fully expanded state by applying an expansive force (sufficient to overcome the resistive force of the intermediate portion, i.e.
  • the container does not revert to its expanded state when the airtight seal is removed (at step s24 of the process of Figure 11 ).
  • the volume of the container may be expanded by the consumer by applying an expansive force to the container.
  • the seal may not be airtight, i.e. the seal may be a different type of closure for closing the opening of the container.
  • a closure may allow air into the container, but prevent the consumable falling out of the container, e.g. the seal may be a perforated closure.
  • the seal/closure is for preventing the consumable leaving, e.g. being removed from, the container.
  • expansion/compression of the container is provided by the intermediate portion of the container (i.e. the bellows-like portion of the container disposed between the top and bottom portions).
  • this expansion/compression functionality is provided by different means, for example a telescopic structure.
  • the intermediate portion may comprise a different number, and/or different size of tapered rings (i.e. a different number or different size of concertinas/folds).
  • the container has the dimensions described above with reference to Figures 2 and 3 .
  • the container has different dimensions.
  • the container is large enough to contain an amount of foodstuff that would feed a relatively large number of people.
  • Such containers may, for example, be used by charities, the military etc.
  • the foodstuff is packaged using the container as described above with reference to Figures 4 - 10 .
  • the filling apparatus comprises a conveyor belt a two rails. These elements apply a compressive force to the container whilst it is filled.
  • the foodstuff is packaged using the container using a different method.
  • a different filling apparatus comprising one or more different elements may be used.
  • a filling apparatus that comprises clamping means to apply a compressive force to the container whilst it is filled may be implemented.
  • the foodstuff is a dried (i.e. dehydrated or partially dehydrated foodstuff) that is to be hydrated (e.g. rehydrated, diluted etc.) prior to consumption by a consumer. Hydration of the foodstuff may be achieved by adding a liquid (e.g. boiling water or stock) to the foodstuff.
  • a liquid e.g. boiling water or stock
  • a different consumable is used other than a foodstuff.
  • the different consumable is to be hydrated prior to consumption by a consumer.
  • the consumable may be a medicine that is to be hydrated (e.g. with water) before being consumed by, e.g. a patient.
  • the consumable may be a paint powder or concentrated paint that is to be mixed with, e.g., water or white spirit prior to use by an artist.
  • the consumable contained within the container is a liquid, e.g. a liquid having the viscosity of water, or a higher viscosity such as syrup.
  • the packaging comprises a seal 30 and a screw lid 32. Both of these elements provide an airtight seal for the container while the container is in its fully compressed state. However, in other embodiments, the airtight seal for the container is provided by only one of the airtight seal 30 or the lid 32.
  • an airtight seal for the container is provided by different means.
  • a lid for the container may be provided by a further container (e.g. a relatively rigid container made of plastic, for example polyethylene).
  • the further container may attach to the container by attaching (e.g. clipping to the flange of the container, e.g. using a plurality of protrusions).
  • the further container may be used to contain a consumable, e.g. a further foodstuff.
  • the further foodstuff may be sealed in the further container by means of a further airtight seal.
  • the further foodstuff may be, for example, a foodstuff that is not to be hydrated prior to consumption.
  • the further foodstuff may be dried fruit, dry granola mixes, nuts, liquid honey, liquid coulis, liquid sauce, etc. that may be added to the hydrated foodstuff in the container.
  • the volume occupied by the combination of the predetermined amount of foodstuff after it has been hydrated with a predetermined amount of liquid and the further foodstuff is less than or equal to the volume of the container in its fully expanded state.
  • the container advantageously provides a vessel from which the combination of the hydrated and heated foodstuff and the further foodstuff may be consumed. This is provided by the container, in its expanded state, being of sufficient size (i.e. having sufficient volume) to contain the combination of the hydrated and heated foodstuff and the further foodstuff.
  • the two separate containers advantageously tend to provide that two different types of foodstuff may be provided together (i.e. as a single product).
  • the two different types of foodstuff may be sealed in a respective container.
  • the two different types of foodstuff are kept separate.
  • different types of food stuff that are to be processed using different methods, by a consumer, prior to consumption may advantageously be provided together (i.e. as a single product).
  • the two different types of foodstuff provided together in the above embodiments are a dehydrated, or dried, foodstuff that is to be hydrated and heated prior to consumption, and a further foodstuff that is not to be hydrated prior to consumption.
  • the two separate containers may be attached together in such a way that that, prior to use by the consumer, the separation of the containers is opposed.
  • the further container may be made of a clear material.
  • a consumer may be able to see the contents on the second container.
  • a consumer may be able, for example, to distinguish between different varieties of a product.
  • the container has the shape and dimensions described above with reference to Figures 2 and 3 .
  • the container has different shape and/or dimensions.
  • the container has the shape and dimensions shown in Figures 12 and 13 .
  • the container has the shape and dimensions shown in Figures 14 and 15 (which are described in more detail later below after the description of Figures 12 and 13 ).
  • Figure 12 is a schematic illustration (not to scale) of a side view of a further container 100 in its fully expanded state.
  • Figure 13 is a schematic illustration (not to scale) of a side view of the further container 100 in its fully compressed state.
  • Figures 12 and 13 indicate the dimensions of the further container 100 in this further embodiment.
  • the height of the further container 100 in its fully expanded state is in the range 70mm to 90mm. More preferably, the height of the further container 100 in its fully expanded state is 75.9mm. Preferably, the volume of the further container 100 in its fully expanded state is approximately 355ml.
  • the height of the further container 100 in its fully compressed state is in the range 40mm to 50mm. More preferably, the height of the further container 100 in its fully compressed state is 45mm.
  • the further container 100 comprises a shoulder 15 between its top portion 4 and its intermediate portion 8.
  • this shoulder 15 replaces the flange 14 of the container 2.
  • This shoulder 15 serves the same purpose as the flange 14 of the container 2, i.e. providing a surface upon which a downwards compressive force may be applied to compress the container.
  • a container may have any such structure that provides such a surface.
  • the height of the further container 100 in its fully compressed state from its closed end (i.e. the bottom of the bottom portion 6) to the shoulder 15 is 30.85mm.
  • the ratio between the height of the further container 100 in its fully expanded state and the height of the further container 100 in its fully compressed state may be a different value.
  • the vertical height of the top portion 4 of the further container 100 from the opening 10 to the shoulder 15 is 11.80mm.
  • the external diameter of the shoulder 15 is substantially equal to the external diameter of the intermediate portion 8 (at the widest point of the intermediate portion 8). Preferably, this dimension is 87.0mm.
  • the external diameter of the bottom portion 6 of the further container 100, at the point where the bottom portion 6 meets the intermediate portion 8, is 87.0mm.
  • the external diameter of the bottom portion 6 of the further container 100, at the closed end or the further container 100 is less than 87.0mm.
  • the shape of the bottom portion 6 of the further container 100 is that of a dish (i.e. the bottom portion 6 of the further container 100 is dish-shaped).
  • An advantage provided by the further container 100 is that the both the top portion 4 and bottom portion 6 of the further container 100 tend to be relatively rigid. Thus, during the compression (e.g. as performed during the process of Figure 4 ), only the intermediate portion 8 of the further container 100 tends to be compressed. This increased rigidity of the bottom portion 6 of the further container 100 tends to result from its shape (i.e. the bottom portion 6 of the further container 100 having a dish-like shape that, at its closed-end, is smaller in diameter than the intermediate portion 8, and that tapers outwards towards its open end where it meets the intermediate portion 8). This tends to provide that the further container 100 compresses more evenly when a downwards compressive force is applied.
  • the shape of the bottom portion 6 of the further container 100 tends to facilitate the production of the further container 100 having walls of a desired thickness. For example, it tends to be easier to achieve a relatively uniform wall-thickness when moulding the further container 100 than when moulding containers having a different shape.
  • a further advantage provided by the further container 100 is that the further container 100 tends to compress more evenly than differently shaped containers. Furthermore, the further container tends to have a desired elasticity, i.e. strong enough to provide that the container may expand unaided from its compressed state to its uncompressed state, but not so strong as to hinder the sealing of the container when in its compressed state. Nevertheless, in other embodiments, containers having different shapes and/or dimensions to those described in the embodiments above may be used.
  • Figure 14 is a schematic illustration (not to scale) of a side view of a second further container 102 in its fully expanded state.
  • Figure 15 is a schematic illustration (not to scale) of a side view of the second further container 102 in its fully compressed state.
  • Figures 14 and 15 indicate the dimensions of the second further container 102 in this further embodiment.
  • the height of the second further container 102 in its fully expanded state is in the range 70mm to 90mm. More preferably, the height of the second further container 102 in its fully expanded state is 74.6mm. Preferably, the volume of the second further container 102 in its fully expanded state is approximately 355ml.
  • the height of the second further container 102 in its fully compressed state is in the range 40mm to 50mm. More preferably, the height of the second further container 102 in its fully compressed state is approximately 41mm.
  • the second further container 102 may comprises a shoulder 15 between its top portion 4 and its intermediate portion 8.
  • this shoulder 15 replaces the flange 14 of the container 2.
  • This shoulder 15 serves the same purpose as the flange 14 of the container 2, i.e. providing a surface upon which a downwards compressive force may be applied to compress the container (e.g. during the filling process).
  • a container may have any such structure that provides such a surface.
  • the external diameter of the shoulder 15 is 91.0mm.
  • the height of the second further container 102 in its fully compressed state from its closed end (i.e. the bottom of the bottom portion 6) to the shoulder 15 is 30.85mm.
  • the ratio between the height of the second further container 102 in its fully expanded state and the height of the second further container 102 in its fully compressed state may be a different value.
  • the diameter of the opening 10 is 76.0mm.
  • the external diameter of the top portion 4 of the second further container is approximately 86.0mm.
  • the second further container 102 may have a sealing rim 104 (with a thickness of approximately 5mm).
  • This sealing rim 104 advantageously tends to provide a surface upon which a downwards compressive force may be applied to compress the container (e.g. during the filling process).
  • a container may comprise such a sealing rim 104 instead of a flange 14 and/or a shoulder 15 (i.e.
  • the sealing rim 104 may serve the same purpose as the flange 14 of the container 2, or the shoulder 15, and a container may not comprise a flange 14 or shoulder 15). Furthermore, the increased thickness of the sealing rim 104 of the second further container 102 (compared to the thickness of the rim in the first embodiment) tends to provide that the sealing of the second further container 102 is easier (e.g. during filling) and that a stronger sealing may be applied.
  • the top portion 4 of the second further container comprises a plurality of annular ridges 106.
  • a lid for the second further container may clip over these annular ridges 106.
  • the second further container 102 may have a "press-on” or “push-on” lid as opposed to a screw-on lid. It will be appreciated by the person skilled in the art that any of the containers described herein may have a lid that attaches to the container in any appropriate way (e.g. a push-on lid, a screw-on lid, etc.).
  • the external diameter of the bottom portion 6 of the second further container 102, at the point where the bottom portion 6 meets the intermediate portion 8, is 86.9mm.
  • the external diameter of the bottom portion 6 of the second further container 102, at the closed end or the second further container 102, is less than 86.9mm.
  • the shape of the bottom portion 6 of the second further container 102 is that of a dish (i.e. the bottom portion 6 of the second further container 102 is dish-shaped).
  • An advantage provided by the second further container 102 is that the both the top portion 4 and bottom portion 6 of the second further container 102 tend to be relatively rigid. Thus, during the compression (e.g. as performed during the process of Figure 4 ), only the intermediate portion 8 of the second further container 102 tends to be compressed. This increased rigidity of the bottom portion 6 of the second further container 102 tends to result from its shape (i.e. the bottom portion 6 of the second further container 102 having a dish-like shape that, at its closed-end, is smaller in diameter than the intermediate portion 8, and that tapers outwards towards its open end where it meets the intermediate portion 8). This tends to provide that the second further container 102 compresses more evenly when a downwards compressive force is applied.
  • the shape of the bottom portion 6 of the second further container 102 tends to facilitate the production of the second further container 102 having walls of a desired thickness. For example, it tends to be easier to achieve a relatively uniform wall-thickness when moulding the second further container 102 than when moulding containers having a different shape.
  • a further advantage provided by the second further container 102 is that the second further container 102 tends to compress more evenly than differently shaped containers. Furthermore, the further container tends to have a desired elasticity, i.e. strong enough to provide that the container may expand unaided from its compressed state to its uncompressed state, but not so strong as to hinder the sealing of the container when in its compressed state. Nevertheless, in other embodiments, containers having different shapes and/or dimensions to those described in the embodiments above may be used.
  • the container may be filled with the foodstuff (i.e. the foodstuff is packaged for delivery to a consumer) using the process described above with reference to Figure 4 .
  • a different process may be used.
  • the further container 100 when filling the further container 100 that is described in more detail above with reference to Figures 12 and 13 , the further container 100 may be compressed by exerting a downwards force on the shoulder 15 of the further container 100 using a ring-shaped member. This advantageously tends to provide a relatively even compressive force to the further container 100 (such a process may also be used on different containers, e.g. the container 2 described above with reference to Figures 2 and 3 ).
  • the further container 100 may then be filled and sealed, e.g., as described above with reference to steps s6 to s10 of Figure 4 .
  • a reel-fed sealing film may be applied to the opening 10 of the further container 100 to seal the further container 100 and keep it in its compressed state.
  • a lid may then be applied e.g. to provide an additional airtight seal and/or to protect the seal from accidental piercing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Closures For Containers (AREA)
EP13704998.7A 2012-01-31 2013-01-23 Packaging containing a consumable Not-in-force EP2809584B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB1201693.7A GB2498962A (en) 2012-01-31 2012-01-31 An expandable container
GBGB1205363.3A GB201205363D0 (en) 2012-01-31 2012-03-27 Packaging containing a consumable
GB1214587.6A GB2499861B (en) 2012-01-31 2012-08-15 Packaging containing a consumable
PCT/GB2013/050138 WO2013114078A1 (en) 2012-01-31 2013-01-23 Packaging containing a consumable

Publications (2)

Publication Number Publication Date
EP2809584A1 EP2809584A1 (en) 2014-12-10
EP2809584B1 true EP2809584B1 (en) 2016-04-20

Family

ID=45876430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13704998.7A Not-in-force EP2809584B1 (en) 2012-01-31 2013-01-23 Packaging containing a consumable

Country Status (12)

Country Link
US (1) US20150034661A1 (enrdf_load_stackoverflow)
EP (1) EP2809584B1 (enrdf_load_stackoverflow)
JP (1) JP2015511201A (enrdf_load_stackoverflow)
CN (1) CN104080707B (enrdf_load_stackoverflow)
AU (2) AU2013214019B2 (enrdf_load_stackoverflow)
BR (1) BR112014017473A2 (enrdf_load_stackoverflow)
CA (1) CA2860898A1 (enrdf_load_stackoverflow)
GB (3) GB2498962A (enrdf_load_stackoverflow)
IN (1) IN2014DN07252A (enrdf_load_stackoverflow)
PL (1) PL2809584T3 (enrdf_load_stackoverflow)
WO (1) WO2013114078A1 (enrdf_load_stackoverflow)
ZA (1) ZA201404989B (enrdf_load_stackoverflow)

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Also Published As

Publication number Publication date
ZA201404989B (en) 2015-10-28
AU2016216542B2 (en) 2017-03-16
PL2809584T3 (pl) 2016-12-30
WO2013114078A1 (en) 2013-08-08
AU2016216542A1 (en) 2016-09-01
GB201205363D0 (en) 2012-05-09
GB2499861A (en) 2013-09-04
HK1200423A1 (en) 2015-08-07
CN104080707A (zh) 2014-10-01
GB2498962A (en) 2013-08-07
GB2499861B (en) 2016-08-17
EP2809584A1 (en) 2014-12-10
US20150034661A1 (en) 2015-02-05
IN2014DN07252A (enrdf_load_stackoverflow) 2015-04-24
AU2013214019B2 (en) 2016-05-26
GB201201693D0 (en) 2012-03-14
JP2015511201A (ja) 2015-04-16
AU2013214019A1 (en) 2014-07-31
GB201214587D0 (en) 2012-09-26
CN104080707B (zh) 2016-10-12
CA2860898A1 (en) 2013-08-08
BR112014017473A2 (pt) 2017-06-13

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