WO2003083386A1 - Method for dispensing frozen edible products and insulated container adapted therefore - Google Patents

Method for dispensing frozen edible products and insulated container adapted therefore Download PDF

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Publication number
WO2003083386A1
WO2003083386A1 PCT/EP2003/001872 EP0301872W WO03083386A1 WO 2003083386 A1 WO2003083386 A1 WO 2003083386A1 EP 0301872 W EP0301872 W EP 0301872W WO 03083386 A1 WO03083386 A1 WO 03083386A1
Authority
WO
WIPO (PCT)
Prior art keywords
insulated container
edible products
displaying
container according
cooling means
Prior art date
Application number
PCT/EP2003/001872
Other languages
French (fr)
Inventor
Michael John Hale
Original Assignee
Unilever Plc
Unilever Nv
Hindustan Lever 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 Unilever Plc, Unilever Nv, Hindustan Lever Limited filed Critical Unilever Plc
Priority to AU2003210344A priority Critical patent/AU2003210344A1/en
Publication of WO2003083386A1 publication Critical patent/WO2003083386A1/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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
    • B65D81/3823—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed of different materials, e.g. laminated or foam filling between walls
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/225—Ice-cream freezing and storing cabinets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06—Movable containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/082—Devices using cold storage material, i.e. ice or other freezable liquid disposed in a cold storage element not forming part of a container for products to be cooled, e.g. ice pack or gel accumulator
    • F25D2303/0822—Details of the element
    • F25D2303/08221—Fasteners or fixing means for the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/804—Boxes

Definitions

  • the present invention relates to a method for dispensing frozen edible products and to an insulated container adapted to said method.
  • Counter-top freezers are available which allow for ice cream products to be presented to customers together with non-frozen products, but they need maintenance and connections to power sources . They are also quite voluminous whereas as already mentioned, in catering environments, space is a very scarce resource .
  • Insulated container shall mean a container with insulated walls, said insulated walls containing an insulating material having a thermal conductivity in the range of 0.5 to 50 milliwatt (meter Kelvin) "1 .
  • the insulated material can be, for example, polystyrene, fibreglass, or vacuum.
  • Cooling means shall mean containers containing a phase change material with a thermal capacity of between 150 and 300 kiloJoule/ kg over a temperature range of -25 to -5°C.
  • phase change material is a eutectic material.
  • removable displaying means are adapted to hold cooling means .
  • opening means are located on a top surface of the insulated container. In another preferred embodiment of the invention opening means are located on a side surface of the insulated container.
  • the removable displaying means comprise at least a bottom surface and two side, vertical surfaces above the bottom surface.
  • removable displaying means comprise at least a horizontal surface adapted to be held horizontally on corresponding supporting means situated on an inner surface of the insulated container.
  • cooling means are removable from displaying means .
  • cooling means are integral to displaying means. It is a second object of the present invention to provide a method for dispensing frozen edible products wherein an insulated container according to the invention and containing frozen edible products is situated at a point of sale and wherein at the end of a vending period, displaying means together cooling means and together with frozen edible products present in the insulated container are removed from said insulated container and stored together in a refrigeration facility and submitted to a re- freezing operation.
  • the edible frozen products while on display, are stored in said insulated container at a temperature of below -12°C, more preferably below -15°C, for a period of at least 2 hours , more preferably 4 hours .
  • the frozen edible products are frozen- aerated products generally referred to as ice creams.
  • Fig 1 represents an exploded view of an insulated container.
  • Fig 2 represents displaying means .
  • Fig 3 represents a cross sectional view of an insulated container with its displaying means and cooling means according to the invention.
  • an insulated container according to the invention can be constituted by a bottom surface, four side walls and a top surface. Each side wall and the bottom surface is constituted by an outer panel 1, and an inner panel 2 limiting an internal space containing an insulating material 3.
  • the top surface is constituted by a lid frame 4, creating an opening, and a lid 5 adapted to close said opening. This lid can either be independent from the lid frame or connected to it by a hinge 6.
  • the insulating material is preferably in the form of vacuum insulated panels (VIPs) .
  • VIPs are typically made of an open cell foam or granular structure which is enveloped and hermetically sealed into a gas impervious film under very low pressure. These panels have a thermal conductivity around 5 to 10 milliwatt (metre Kelvin) "1 .
  • Alternative insulating materials could for example be a closed cell foam structure such as expanded polystyrene, fibrous material such as fibreglass, a vacuum sealed within a sealed double wall container.
  • displaying means according to the invention can be constituted by a steel wire basket 10 presenting holding means 12 adapted to hold cooling means on an outside face of said basket.
  • This steel wire basket is adapted to be removably fitted within the insulated container.
  • Dividers 11 can optionally be fitted within the steel wire basket.
  • an insulted container as described on Figure 1, is receiving displaying means, holding cooling means 7, and containing edible products 8 to be displayed.
  • the cooling means are preferably a solution or mixture, with a high enthalpy over a temperature range of -25 to -5°C, stored in containers or pads.
  • a phase change material with a defined freezing point is preferable, for example an aqueous solution of sodium chloride or urea.
  • an insulated container equipped with its displaying means and cooling means, and filled with frozen edible products to be sold is put on display at a point of sale, for example on a catering stall, and customers can chose and take a product from said insulated container.
  • the displaying means, together with the cooling means and any remaining frozen edible product are removed from the insulated container and transferred into a refrigerating unit to be submitted to a re freezing operation.
  • the displaying mean together with the cooling means are taken out of the refrigerating unit and, after having been optionally refilled with edible products, are re-introduced into the insulated container.
  • the insulated container can be put on the top surface of a stall or a table but can be particularly adapted to fit within recesses 9 present in catering stalls and normally used for 'bain marie' operations as shown in Figure 3. If the 'bain marie' is switched off, the recess can advantageously be used to hold the insulated container. Such an embodiment will give further stability to the insulated container and lower down its opening, making it more visible and accessible to customers, while making optimal use of the space.

Abstract

An insulated container containing frozen edible products (8) is situated at a point of sale and at the end of a vending period, displaying means together cooling means (7) and together with frozen edible products (8) present in the insulated container are removed from said insulated container and stored together in a refrigeration facility and submitted to a re-freezing operation.

Description

Method for dispensing frozen edible products and insulated container adapted therefore
Technical field of the invention
The present invention relates to a method for dispensing frozen edible products and to an insulated container adapted to said method.
Background of the invention
Selling ice cream impulse products in institutional outlets and catering facilities has always been a problem. Ice cream products are stored in freezing cabinets which, owing to their size cannot be located at the point where the customer makes his decision with regards to buying, or not buying, a dessert. It has now been noticed that the display of frozen products in a catering environment presents some very unique characteristics .
First of all, space is a very scarce resource. Secondly, products are only on display for less than 4 hours .
Counter-top freezers are available which allow for ice cream products to be presented to customers together with non-frozen products, but they need maintenance and connections to power sources . They are also quite voluminous whereas as already mentioned, in catering environments, space is a very scarce resource .
There is thus a need for a new way of displaying frozen products which will not require the use of any freezing equipment at the point of display, taking into account the two unique characteristics constituted by the space scarcity and the fact that products only need to be on display for a relatively short period of time.
It has now been found that it is possible, by using a specific new type of equipment to display in perfect safety, and while using a minimum space, frozen products in a catering environment for about 4 hours .
Tests and definitions
"Insulated container" shall mean a container with insulated walls, said insulated walls containing an insulating material having a thermal conductivity in the range of 0.5 to 50 milliwatt (meter Kelvin)"1. The insulated material can be, for example, polystyrene, fibreglass, or vacuum.
"Cooling means" shall mean containers containing a phase change material with a thermal capacity of between 150 and 300 kiloJoule/ kg over a temperature range of -25 to -5°C. Preferably the phase change material is a eutectic material.
"Re-freezing" operations between selling periods is defined on the basis of how much heat is absorbed by the cooling means and the frozen edible products during a selling period. This re- freezing operation takes place in a back-up refrigeration facility and the time the displaying means with its cooling means and any frozen edible products it contains are kept in this facility must be sufficient to remove the heat absorbed during a vending period. For an insulated container, with a transparent top, with a 30 litre storage capacity exposed for 4 hours in an ambient of 30°C, and with an insulated material having a conductivity of lOmilliWatt (irtK) "1, the heat absorbed will typically be around 250 kJ. Brief description of the invention
It is a first object of the present invention to provide an insulated container, for the storage and display of edible products at a temperature below 0 C, comprising;
opening means for the introduction and removal of said edible products removable displaying means for displaying said products and, . cooling means
wherein removable displaying means are adapted to hold cooling means .
In a preferred embodiment of the invention the opening means are located on a top surface of the insulated container. In another preferred embodiment of the invention opening means are located on a side surface of the insulated container.
In a preferred embodiment of the invention, also the removable displaying means comprise at least a bottom surface and two side, vertical surfaces above the bottom surface. In another preferred embodiment of the invention, removable displaying means comprise at least a horizontal surface adapted to be held horizontally on corresponding supporting means situated on an inner surface of the insulated container.
In a preferred embodiment of the invention the cooling means are removable from displaying means . In another preferred embodiment of the invention the cooling means are integral to displaying means. It is a second object of the present invention to provide a method for dispensing frozen edible products wherein an insulated container according to the invention and containing frozen edible products is situated at a point of sale and wherein at the end of a vending period, displaying means together cooling means and together with frozen edible products present in the insulated container are removed from said insulated container and stored together in a refrigeration facility and submitted to a re- freezing operation.
Preferably, the edible frozen products, while on display, are stored in said insulated container at a temperature of below -12°C, more preferably below -15°C, for a period of at least 2 hours , more preferably 4 hours .
Preferably, the frozen edible products are frozen- aerated products generally referred to as ice creams.
Detailed description of the invention
The present invention will be further described with reference to the drawings wherein
Fig 1 represents an exploded view of an insulated container.
Fig 2 represents displaying means .
Fig 3 represents a cross sectional view of an insulated container with its displaying means and cooling means according to the invention. As can be seen on Figure 1, an insulated container according to the invention can be constituted by a bottom surface, four side walls and a top surface. Each side wall and the bottom surface is constituted by an outer panel 1, and an inner panel 2 limiting an internal space containing an insulating material 3. The top surface is constituted by a lid frame 4, creating an opening, and a lid 5 adapted to close said opening. This lid can either be independent from the lid frame or connected to it by a hinge 6.
The insulating material is preferably in the form of vacuum insulated panels (VIPs) . VIPs are typically made of an open cell foam or granular structure which is enveloped and hermetically sealed into a gas impervious film under very low pressure. These panels have a thermal conductivity around 5 to 10 milliwatt (metre Kelvin)"1. Alternative insulating materials could for example be a closed cell foam structure such as expanded polystyrene, fibrous material such as fibreglass, a vacuum sealed within a sealed double wall container.
As can be seen on Figure 2, displaying means according to the invention can be constituted by a steel wire basket 10 presenting holding means 12 adapted to hold cooling means on an outside face of said basket. This steel wire basket is adapted to be removably fitted within the insulated container. Dividers 11 can optionally be fitted within the steel wire basket.
As can be seen on Figure 3, an insulted container, as described on Figure 1, is receiving displaying means, holding cooling means 7, and containing edible products 8 to be displayed.
The cooling means are preferably a solution or mixture, with a high enthalpy over a temperature range of -25 to -5°C, stored in containers or pads. A phase change material with a defined freezing point (eutectic) is preferable, for example an aqueous solution of sodium chloride or urea.
In operation, an insulated container equipped with its displaying means and cooling means, and filled with frozen edible products to be sold, is put on display at a point of sale, for example on a catering stall, and customers can chose and take a product from said insulated container. At the end of the vending period, the displaying means, together with the cooling means and any remaining frozen edible product are removed from the insulated container and transferred into a refrigerating unit to be submitted to a re freezing operation. When a further vending period is due to take place, for example the following day, the displaying mean together with the cooling means are taken out of the refrigerating unit and, after having been optionally refilled with edible products, are re-introduced into the insulated container.
The insulated container can be put on the top surface of a stall or a table but can be particularly adapted to fit within recesses 9 present in catering stalls and normally used for 'bain marie' operations as shown in Figure 3. If the 'bain marie' is switched off, the recess can advantageously be used to hold the insulated container. Such an embodiment will give further stability to the insulated container and lower down its opening, making it more visible and accessible to customers, while making optimal use of the space.

Claims

Claims
1. Insulated container, for the storage and display of edible products at a temperature below 0°C , comprising;
opening means for the introduction and removal of said edible products removable displaying means for displaying said products and, . cooling means
wherein removable displaying means are adapted to hold cooling means.
2. Insulated container according to claim 1 wherein, opening means are located on a top surface of the insulated container.
3. Insulated container according to claim 2, wherein removable displaying means are in the form of structure comprising at least a bottom surface and two side, vertical surfaces above the bottom surface.
4. Insulated container according to claim 3 wherein cooling means are removable from displaying means.
5. Insulated container according to claim 3 wherein cooling means are integral to displaying means.
6. Insulated container according to claim 1 wherein opening means are located on a side surface of the insulated container.
7. Insulated container according to claim 6 , wherein removable displaying means comprise at least a horizontal surface adapted to be held horizontally on corresponding supporting means situated on an inner surface of the insulated container.
8. Insulated container according to claim 7 wherein cooling means are removable from displaying means.
9. Insulated container according to claim 7 wherein cooling means are integral to displaying means .
10. Method for dispensing frozen edible products wherein an insulated container according to the claims 1 to 9 and containing frozen edible products is situated at a point of sale and wherein at the end of a vending period, displaying means together cooling means and together with frozen edible products present in the insulated container are removed from said insulated container and stored together in a refrigeration facility and submitted to a re-freezing operation.
PCT/EP2003/001872 2002-03-28 2003-02-25 Method for dispensing frozen edible products and insulated container adapted therefore WO2003083386A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003210344A AU2003210344A1 (en) 2002-03-28 2003-02-25 Method for dispensing frozen edible products and insulated container adapted therefore

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02252295.7 2002-03-28
EP02252295 2002-03-28

Publications (1)

Publication Number Publication Date
WO2003083386A1 true WO2003083386A1 (en) 2003-10-09

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WO (1) WO2003083386A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8151588B2 (en) 2008-01-18 2012-04-10 Conopco, Inc. Apparatus and method for displaying and dispensing frozen edible products
JP2015223314A (en) * 2014-05-28 2015-12-14 日軽パネルシステム株式会社 Merchandise display heat/cold insulation container
GB2536407A (en) * 2015-02-05 2016-09-21 Laminar Medica Ltd A lid for a thermally insulated container
CN107427137A (en) * 2015-03-20 2017-12-01 百事可乐公司 Cooling system and method
WO2019161426A1 (en) * 2018-02-20 2019-08-29 Temprify Trading Gmbh Thermally insulated transport box
EP3620084A1 (en) 2018-09-07 2020-03-11 Clabo S.P.A Refrigerated display counter with improved insulation system
WO2020229236A1 (en) * 2019-05-14 2020-11-19 Unilever Plc Container for storing and serving frozen confectionery items
EP3901058A1 (en) 2020-04-14 2021-10-27 Exam Packaging Container for storing and/or heat-stable sending of products
AU2020273506B2 (en) * 2019-05-14 2023-04-20 Unilever Ip Holdings B.V. Container for storing and serving frozen confectionery items
IT202100028469A1 (en) * 2021-11-09 2023-05-09 Roberto Rovere CAGE FRAME FOR CONTAINMENT OF RIFLES.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1752553A (en) * 1927-06-17 1930-04-01 Waltham System Inc Refrigeration cabinet
DE29810582U1 (en) * 1998-06-12 1998-09-17 Laude Rainer Cooling device for delicatessen products
FR2779704A1 (en) * 1998-06-12 1999-12-17 Unilever Nv STORAGE CONTAINER
US6039202A (en) * 1997-12-03 2000-03-21 Olstad; Todd Cooler insert system
US6067810A (en) * 1998-12-28 2000-05-30 Decision Point Marketing, Inc. Chilled item server

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1752553A (en) * 1927-06-17 1930-04-01 Waltham System Inc Refrigeration cabinet
US6039202A (en) * 1997-12-03 2000-03-21 Olstad; Todd Cooler insert system
DE29810582U1 (en) * 1998-06-12 1998-09-17 Laude Rainer Cooling device for delicatessen products
FR2779704A1 (en) * 1998-06-12 1999-12-17 Unilever Nv STORAGE CONTAINER
US6067810A (en) * 1998-12-28 2000-05-30 Decision Point Marketing, Inc. Chilled item server

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8151588B2 (en) 2008-01-18 2012-04-10 Conopco, Inc. Apparatus and method for displaying and dispensing frozen edible products
JP2015223314A (en) * 2014-05-28 2015-12-14 日軽パネルシステム株式会社 Merchandise display heat/cold insulation container
GB2536407B (en) * 2015-02-05 2021-09-08 Laminar Medica Ltd A lid for a thermally insulated container
GB2536407A (en) * 2015-02-05 2016-09-21 Laminar Medica Ltd A lid for a thermally insulated container
CN107427137A (en) * 2015-03-20 2017-12-01 百事可乐公司 Cooling system and method
WO2019161426A1 (en) * 2018-02-20 2019-08-29 Temprify Trading Gmbh Thermally insulated transport box
AT520968A1 (en) * 2018-02-20 2019-09-15 Temprify Trading Gmbh Thermally insulated transport box
EP3620084A1 (en) 2018-09-07 2020-03-11 Clabo S.P.A Refrigerated display counter with improved insulation system
WO2020229236A1 (en) * 2019-05-14 2020-11-19 Unilever Plc Container for storing and serving frozen confectionery items
US20220242568A1 (en) * 2019-05-14 2022-08-04 Conopco, Inc., D/B/A Unilever Container for storing and serving frozen confectionery items
AU2020273506B2 (en) * 2019-05-14 2023-04-20 Unilever Ip Holdings B.V. Container for storing and serving frozen confectionery items
AU2020275069B2 (en) * 2019-05-14 2023-04-20 Unilever Ip Holdings B.V. Container for storing and serving frozen confectionery items
EP3901058A1 (en) 2020-04-14 2021-10-27 Exam Packaging Container for storing and/or heat-stable sending of products
BE1028209B1 (en) * 2020-04-14 2021-11-16 Exam Packaging Container for thermostable storage and / or shipment of products
IT202100028469A1 (en) * 2021-11-09 2023-05-09 Roberto Rovere CAGE FRAME FOR CONTAINMENT OF RIFLES.

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