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WO2016116723A1 - Packaging for consumable products - Google Patents

Packaging for consumable products Download PDF

Info

Publication number
WO2016116723A1
WO2016116723A1 PCT/GB2015/050107 GB2015050107W WO2016116723A1 WO 2016116723 A1 WO2016116723 A1 WO 2016116723A1 GB 2015050107 W GB2015050107 W GB 2015050107W WO 2016116723 A1 WO2016116723 A1 WO 2016116723A1
Authority
WO
WIPO (PCT)
Prior art keywords
packaging
packaging according
rim
depression
air channel
Prior art date
Application number
PCT/GB2015/050107
Other languages
French (fr)
Original Assignee
Par-Pak Europe Limited
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 Par-Pak Europe Limited filed Critical Par-Pak Europe Limited
Priority to EP15701832.6A priority Critical patent/EP3247646A1/en
Priority to PCT/GB2015/050107 priority patent/WO2016116723A1/en
Publication of WO2016116723A1 publication Critical patent/WO2016116723A1/en

Links

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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/36—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bakery products, e.g. biscuits
    • 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
    • B65D1/34—Trays or like shallow containers
    • B65D1/36—Trays or like shallow containers with moulded compartments or partitions
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/162—Non-removable lids or covers hinged for upward or downward movement the container, the lid and the hinge being made of one piece
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
    • B65D51/1622—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a passage for the escape of gas between the closure and the lip of the container mouth
    • B65D51/1627—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a passage for the escape of gas between the closure and the lip of the container mouth the closure being for a box-like container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/00351—Dome-like
    • B65D2543/00361—Dome-like placed on a tray like container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality
    • 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
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/30—Containers, packaging elements or packages specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D2585/36—Containers, packaging elements or packages specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for biscuits or other bakery products

Definitions

  • the present invention relates to packaging for a consumable product having a temperature- sensitive edible component such as icing or frosting, particularly for presenting baked products in a retail store.
  • Consumable products such as baked products such as bread, biscuits, cakes and the like are frequently packaged when offered for sale in a retail environment.
  • Such packaging needs to meet a number of technical requirements, such as providing protection to the bakery product from physical harm as well as keeping the bakery product fresh and to lengthen its shelf-life.
  • such packaging is designed to keep out the ambient air, as this is a primary cause of a short shelf-life of bakery products. Additionally it is necessary to prevent the ingress of surrounding particulate matter from entering the packaging, such as dust.
  • Some consumable products comprise a temperature-sensitive edible component which can melt if the temperature is increased above ambient conditions.
  • temperature-sensitive components include toppings such as icings or frostings. It has been found that, particularly with air-tight packaging, that the internal temperature can increase markedly above the ambient outside temperature, causing premature melting of such toppings. This has the effect of the product being wasted and thus the shelf-life is reduced.
  • This problem is all the more prevalent with transparent packaging commonly used for bakery products, e.g plastic transparent packaging. It is believed that such packaging provides a greenhouse effect so that heat is generated from ambient light which cannot escape the packaging at the same rate, thus increasing the internal temperature where temperature- sensitive components can melt.
  • the present inventors have now found a way to provide packaging which prevents the rise in the internal temperature of the packaging, thus increasing the shelf-life of the product. Summary of Invention
  • the present invention relates to packaging for a consumable product having a temperature- sensitive edible component, wherein the packaging comprises a housing which provides an enclosed environment for the consumable product, wherein at least one air channel is provided, which exposes the interior of the housing to the outside atmosphere, wherein the air channel comprises at least one bend so as to prevent a rigid implement from entering the interior of the packaging via the air channel without colliding with the walls of the packaging.
  • the present invention thus provides for a mechanism for allowing temperature equalisation with the outside atmosphere without compromising the integrity of the packaging or its ability to preserve shelf-life.
  • the at least one air channel comprises at least two bends, preferably three bends. Multiple bends provide greater protection against foreign bodies entering the packaging, e.g. dust or other ambient entities which can influence the hygiene or product safety aspects of the consumable product stored inside.
  • the number of air channels is from 3 to 20, preferably from 5 to 15. It has been found that a number of reasonably sized air channels is better than a small number of very large channels or a large number of very small channels.
  • the packaging is formed of an upper portion and a lower portion, the two porti being removably attached to each other, preferably hingedly attached to each other.
  • one of the portions preferably comprises a rim of exposed packaging material which, in use, enters a corresponding depression in the packaging material on the other portion so as to form a closure means once the upper and lower portions are brought together.
  • the rim may be positioned on the upper or the lower portion, but is preferably placed on the lower portion.
  • the rim and depression provide an air-tight seal once brought into contact with each other.
  • the at least one air channel can be provided by providing for a gap between the rim and depression at a selected location. This can be provided by a section of narrowing of the rim or enlargening of the depression, so as to form an air channel passing between the rim and depression in the selected location.
  • the air can then flow into the packaging by passing over the rim between the rim and depression, thus providing for three bends in the air channel.
  • the rim has a thickness of from 3 to 8mm and a height of from 3 to 8mm, with the depression having a corresponding dimension so as to just allow the rim to enter the depression, forming the closure means by friction.
  • the narrowing of the rim or enlargening of the depression is by from 1 to 3 mm in the thickness relative to the tight-fit discussed above.
  • the rim and depression are located around the perimeter formed by the upper and lower portions coming together.
  • the air channels are preferably elongate in cross section, preferably substantially rectangular in cross-section, with a major dimension of from 10 to 40mm and a minor dimension of from 1 to 5mm.
  • the packaging is preferably made from transparent plastic material, preferably PET and may be a single piece of thermoformed construction.
  • the packaging contains a number of depressions for the bakery product to rest within, preferably two depressions.
  • the consumable product is typically a bakery product and can be any bakery product such as bread, biscuit or cake-based. However, preferably the bakery product is cake-based.
  • the temperature-sensitive edible component can be any topping which melts or otherwise deteriorates when the temperature rises significantly above ambient temperatures, e.g. above 30°C or above 35°C, such as an icing, fondant or frosting.
  • the consumable product contains a quantity of a sugar-containing topping which is sweet, often creamy glaze made of sugar with a liquid, such as water or milk, that is often enriched with ingredients such as butter, egg whites, cream cheese, or flavorings.
  • the invention also relates to the packaging comprising the consumable product.
  • Figure 1 is a plan view of a bakery packaging according to the present invention.
  • Figure 2 is a side view of the bakery packaging shown in figure 1.
  • Figure 3 is a perspective view of the bakery packaging shown in figure 1.
  • Figure 4 is a perspective view of the bakery packaging shown in figure 1 which has been closed.
  • Figures 1 to 4 show packaging 10 for two bakery products such as iced cakes, e.g. two Belgian buns.
  • the packaging is made from a single thermoformed piece of transparent PET and comprises an upper portion 12 and a lower portion 14.
  • the packaging is formed by closing a hinge 16 bringing together the upper portion 12 to the lower portion 14.
  • the lower portion 14 is formed two depressions 18, 20 each for supporting a cake, e.g. a Belgian bun.
  • the lower portion 14 also has an exposed rim 22 which runs all the way around the perimeter of the lower portion.
  • a corresponding depression 24 Provided in the upper portion 12 is a corresponding depression 24, so that when the packaging is formed the rim 22 enters the depression 24 firmly, to provide a seal and prevents the upper portion 14 and lower portion 12 coming away from each other prematurely.
  • the rim has a thickness of 6mm and a height of 5mm.
  • a number of narrowed sections 26 where the rim 22 has been narrowed to have a thickness of 3mm and a height of 3mm.
  • the narrowed portions are 20mm or 30mm in length.
  • the rim 22 inters the depression 24 to form a tight fit, thus providing the closure means by friction.
  • the narrowed sections 26, do not come into contact with the depression and thus form air channels 26 to the interior of the packaging.
  • the air channels thus formed have a U-bend nature with three bends, thus preventing foreign bodies from entering the packaging whilst providing an air channel.
  • any increase in internal temperature is alleviated by the air channels providing a means for the heated internal air to equalise with the cooler ambient air. This prevents the temperature from rising as high and prevents any
  • temperature-sensitive component from melting, thus increasing shelf-life.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

Packaging for a consumable product having a temperature-sensitive edible component, wherein the packaging comprises a housing which provides an enclosed environment for the consumable product, wherein at least one air channel is provided, which exposing the interior of the housing to the outside atmosphere, wherein the air channel comprises at least one bend so as to prevent a rigid implement from entering the interior of the packaging via the air channel without colliding with the walls of the packaging.

Description

Packaging for Consumable Products
Technical Field The present invention relates to packaging for a consumable product having a temperature- sensitive edible component such as icing or frosting, particularly for presenting baked products in a retail store.
Background
Consumable products such as baked products such as bread, biscuits, cakes and the like are frequently packaged when offered for sale in a retail environment. Such packaging needs to meet a number of technical requirements, such as providing protection to the bakery product from physical harm as well as keeping the bakery product fresh and to lengthen its shelf-life.
Generally such packaging is designed to keep out the ambient air, as this is a primary cause of a short shelf-life of bakery products. Additionally it is necessary to prevent the ingress of surrounding particulate matter from entering the packaging, such as dust.
Some consumable products comprise a temperature-sensitive edible component which can melt if the temperature is increased above ambient conditions. Such temperature-sensitive components include toppings such as icings or frostings. It has been found that, particularly with air-tight packaging, that the internal temperature can increase markedly above the ambient outside temperature, causing premature melting of such toppings. This has the effect of the product being wasted and thus the shelf-life is reduced. This problem is all the more prevalent with transparent packaging commonly used for bakery products, e.g plastic transparent packaging. It is believed that such packaging provides a greenhouse effect so that heat is generated from ambient light which cannot escape the packaging at the same rate, thus increasing the internal temperature where temperature- sensitive components can melt. However the present inventors have now found a way to provide packaging which prevents the rise in the internal temperature of the packaging, thus increasing the shelf-life of the product. Summary of Invention
It has been surprisingly found that by introducing air channels of a particular design into the structure of the housing of the packaging, such melting issues can be solved without reducing shelf-life, and in fact increasing shelf-life.
The present invention relates to packaging for a consumable product having a temperature- sensitive edible component, wherein the packaging comprises a housing which provides an enclosed environment for the consumable product, wherein at least one air channel is provided, which exposes the interior of the housing to the outside atmosphere, wherein the air channel comprises at least one bend so as to prevent a rigid implement from entering the interior of the packaging via the air channel without colliding with the walls of the packaging.
The present invention thus provides for a mechanism for allowing temperature equalisation with the outside atmosphere without compromising the integrity of the packaging or its ability to preserve shelf-life.
It has been surprisingly found that providing packaging with openings can in fact provide greater shelf-life than packaging with no openings. This is despite the fact that exposure to the air is known to decrease shelf-life.
Preferably the at least one air channel comprises at least two bends, preferably three bends. Multiple bends provide greater protection against foreign bodies entering the packaging, e.g. dust or other ambient entities which can influence the hygiene or product safety aspects of the consumable product stored inside.
Typically, the number of air channels is from 3 to 20, preferably from 5 to 15. It has been found that a number of reasonably sized air channels is better than a small number of very large channels or a large number of very small channels.
Typically the packaging is formed of an upper portion and a lower portion, the two porti being removably attached to each other, preferably hingedly attached to each other. In such packaging one of the portions preferably comprises a rim of exposed packaging material which, in use, enters a corresponding depression in the packaging material on the other portion so as to form a closure means once the upper and lower portions are brought together. The rim may be positioned on the upper or the lower portion, but is preferably placed on the lower portion.
Typically, the rim and depression provide an air-tight seal once brought into contact with each other. In such an embodiment, the at least one air channel can be provided by providing for a gap between the rim and depression at a selected location. This can be provided by a section of narrowing of the rim or enlargening of the depression, so as to form an air channel passing between the rim and depression in the selected location. Thus the air can then flow into the packaging by passing over the rim between the rim and depression, thus providing for three bends in the air channel.
Preferably the rim has a thickness of from 3 to 8mm and a height of from 3 to 8mm, with the depression having a corresponding dimension so as to just allow the rim to enter the depression, forming the closure means by friction.
In a preferred embodiment the narrowing of the rim or enlargening of the depression is by from 1 to 3 mm in the thickness relative to the tight-fit discussed above.
Preferably the rim and depression are located around the perimeter formed by the upper and lower portions coming together.
The air channels are preferably elongate in cross section, preferably substantially rectangular in cross-section, with a major dimension of from 10 to 40mm and a minor dimension of from 1 to 5mm.
The packaging is preferably made from transparent plastic material, preferably PET and may be a single piece of thermoformed construction.
In a preferred embodiment, the packaging contains a number of depressions for the bakery product to rest within, preferably two depressions. The consumable product is typically a bakery product and can be any bakery product such as bread, biscuit or cake-based. However, preferably the bakery product is cake-based.
The temperature-sensitive edible component can be any topping which melts or otherwise deteriorates when the temperature rises significantly above ambient temperatures, e.g. above 30°C or above 35°C, such as an icing, fondant or frosting. Preferably therefore the consumable product contains a quantity of a sugar-containing topping which is sweet, often creamy glaze made of sugar with a liquid, such as water or milk, that is often enriched with ingredients such as butter, egg whites, cream cheese, or flavorings.
The invention also relates to the packaging comprising the consumable product.
The invention will now be illustrated, by way of example and with reference to the following figures, in which:
Figure 1 is a plan view of a bakery packaging according to the present invention.
Figure 2 is a side view of the bakery packaging shown in figure 1. Figure 3 is a perspective view of the bakery packaging shown in figure 1.
Figure 4 is a perspective view of the bakery packaging shown in figure 1 which has been closed. Turning to the figures, Figures 1 to 4 show packaging 10 for two bakery products such as iced cakes, e.g. two Belgian buns. The packaging is made from a single thermoformed piece of transparent PET and comprises an upper portion 12 and a lower portion 14. The packaging is formed by closing a hinge 16 bringing together the upper portion 12 to the lower portion 14.
The lower portion 14 is formed two depressions 18, 20 each for supporting a cake, e.g. a Belgian bun.
The lower portion 14 also has an exposed rim 22 which runs all the way around the perimeter of the lower portion. Provided in the upper portion 12 is a corresponding depression 24, so that when the packaging is formed the rim 22 enters the depression 24 firmly, to provide a seal and prevents the upper portion 14 and lower portion 12 coming away from each other prematurely. The rim has a thickness of 6mm and a height of 5mm.
Also provided around the upper rim of the lower portion 14 is a number of narrowed sections 26 where the rim 22 has been narrowed to have a thickness of 3mm and a height of 3mm. The narrowed portions are 20mm or 30mm in length.
When the upper portion 12 is closed onto the lower portion 14, the rim 22 inters the depression 24 to form a tight fit, thus providing the closure means by friction. However, the narrowed sections 26, do not come into contact with the depression and thus form air channels 26 to the interior of the packaging. The air channels thus formed have a U-bend nature with three bends, thus preventing foreign bodies from entering the packaging whilst providing an air channel.
When placed in a retail store for sale, any increase in internal temperature is alleviated by the air channels providing a means for the heated internal air to equalise with the cooler ambient air. This prevents the temperature from rising as high and prevents any
temperature-sensitive component from melting, thus increasing shelf-life.

Claims

Claims
1. Packaging for a consumable product having a temperature-sensitive edible
component, wherein the packaging comprises a housing which provides an enclosed environment for the consumable product, wherein at least one air channel is provided, which exposes the interior of the housing to the outside atmosphere, wherein the air channel comprises at least one bend so as to prevent a rigid implement from entering the interior of the packaging via the air channel without colliding with the walls of the packaging.
2. Packaging according to claim 1 , wherein the at least one air channel comprises at least two bends, preferably three bends.
3. Packaging according to claim 1 or claim 2, wherein the number of air channels is from 3 to 20, preferably from 5 to 15.
4. Packaging according to any one of the preceding claims, wherein the packaging is formed of an upper portion and a lower portion, the two portions being removably attached to each other, preferably hingedly attached to each other.
5. Packaging according to claim 4, wherein one of the portions comprises a rim of material which enters a corresponding depression on the other portion so as to form a closure means once the upper and lower portions are brought together.
6. Packaging according to claim 5, wherein the at least one air channel is provided by a gap between the rim and depression provided by a section of narrowing of the rim or enlargening of the depression, so as to form an air channel passing between the rim and depression.
7. Packaging according to claim 5 or 6, wherein the rim has a thickness of from 3 to 8mm and a height of from 3 to 8mm, with the depression having a corresponding dimension so as to just allow the rim to enter the depression, forming the closure means by friction.
8. Packaging according to claim 6 or 7, wherein the narrowing of the rim or enlargening of the depression is by from 1 to 3 mm in the thickness.
9. Packaging according to any one of claims 5 to 9, wherein the rim and depression are located around the perimeter formed by the upper and lower portions coming together.
10. Packaging according to any one of the preceding claims, wherein the air channels are elongate in cross section, preferably substantially rectangular in cross-section, with a major dimension of from 10 to 40mm and a minor dimension of from 1 to 5mm.
1 1. Packaging according to any one of the preceding claims, wherein the packaging is made from transparent plastic material, preferably PET.
12. Packaging according to claim 4, which is of single thermoformed construction.
13. Packaging according to any one of the preceding claims which contains a number of depressions for the bakery product to rest within, preferably two depressions.
14. Packaging according to any one of the preceding claims, wherein the consumable product is a bakery product, preferably a cake product.
15. Packaging according to any one of the preceding claims, wherein the temperature- sensitive edible component is an icing or frosting.
16. Packaging according to any one of the preceding claims comprising the at least one consumable product.
PCT/GB2015/050107 2015-01-19 2015-01-19 Packaging for consumable products WO2016116723A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109850331A (en) * 2018-11-27 2019-06-07 广德美好包装科技有限公司 A kind of milk powder cake releasing packing box
EP3819232A1 (en) * 2019-11-08 2021-05-12 South Plastic Industry Co., Ltd. Tamper-resistant air-permeable container

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7704902U1 (en) * 1977-02-18 1977-06-02 Hoechst Ag Two-part container for food to be packaged while hot
WO2008104181A1 (en) * 2007-02-27 2008-09-04 R. Faerch Plast A/S A self-venting container, tray and lid for heating of food
US20110000929A1 (en) * 2009-07-03 2011-01-06 Packaging 2.0 Inc. Thermoformed container having a tamper evident closure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7704902U1 (en) * 1977-02-18 1977-06-02 Hoechst Ag Two-part container for food to be packaged while hot
WO2008104181A1 (en) * 2007-02-27 2008-09-04 R. Faerch Plast A/S A self-venting container, tray and lid for heating of food
US20110000929A1 (en) * 2009-07-03 2011-01-06 Packaging 2.0 Inc. Thermoformed container having a tamper evident closure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109850331A (en) * 2018-11-27 2019-06-07 广德美好包装科技有限公司 A kind of milk powder cake releasing packing box
EP3819232A1 (en) * 2019-11-08 2021-05-12 South Plastic Industry Co., Ltd. Tamper-resistant air-permeable container

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