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EP0961741A1 - Contenant de transport a isolation - Google Patents

Contenant de transport a isolation

Info

Publication number
EP0961741A1
EP0961741A1 EP98900812A EP98900812A EP0961741A1 EP 0961741 A1 EP0961741 A1 EP 0961741A1 EP 98900812 A EP98900812 A EP 98900812A EP 98900812 A EP98900812 A EP 98900812A EP 0961741 A1 EP0961741 A1 EP 0961741A1
Authority
EP
European Patent Office
Prior art keywords
product
container
package
ice
transport container
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.)
Withdrawn
Application number
EP98900812A
Other languages
German (de)
English (en)
Inventor
Paul James Smart
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.)
Eduard Kuesters Maschinenfabrik GmbH and Co KG
Original Assignee
Food & Packaging Centre Management 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 Food & Packaging Centre Management Ltd filed Critical Food & Packaging Centre Management Ltd
Publication of EP0961741A1 publication Critical patent/EP0961741A1/fr
Withdrawn legal-status Critical Current

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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/02—Wrapped articles enclosed in rigid or semi-rigid 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
    • 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
    • B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
    • 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
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/261—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for draining or collecting liquids without absorbing them
    • B65D81/262—Rigid containers having false bottoms provided with passages for draining and receiving liquids
    • 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
    • B65D81/3825—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 with one or more containers located inside the external container
    • B65D81/3827—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 with one or more containers located inside the external container the external tray being formed of foam material

Definitions

  • This invention relates to the packaging of fresh foodstuffs for transportation in insulated containers to minimise heat gain to the contents. It is particularly concerned with the transport of foodstuffs cooled with ice.
  • French patent 2697809 discloses a stackable container for transporting fish with a product basket insert which leaves an insulating air space between the external box and the internal basket.
  • Japanese patent 6-32379 discloses an externally ribbed container that can be sheathed to once again provide an insulating air space.
  • Japanese patent 8-53166 discloses a hollow walled container while USA patent 4896790 discloses a foldable thermo-box of plastic insulating material for use in transporting fish and meat.
  • USA patent 5102004 discloses a foldable chill box wherein the insulating walls are of polyurethane foam with foil surfaces. Flexible insulating containers such as bags have also been proposed.
  • USA patent 421 1267 discloses an insulating and shock absorbing bag formed of a laminate including a foam layer, a foil layer, polyethylene layer and optionally a cotton layer.
  • GB patent 2085401 discloses a double wall bag having air or gas in the wall cavity and a foil layer in the outer wall.
  • the present invention provides an insulated package combination which includes a product container having a reflective outer surface, said container being disposed within a transport container having internal protrusions on its bottom and sides to create an air space between the reflective outer surface of the product container and the transport container walls.
  • the insulating performance is enhanced without significant change to the packaging wall space or packaging weight.
  • the present invention provides a method of transporting chilled food stuffs comprising the steps of a) placing the chilled product into a product container having an outer reflective surface b) placing said product container into a transport container which incorporates protrusions in the base and sides to create an air space between the walls of the transport container and the reflective surface of the product container c) placing sufficient coolant in either the product container or the transport container to maintain the product in a chilled state d) transporting the filled transport container to its destination before all the coolant has undergone a phase transition [e.g. - melted].
  • a phase transition e.g. - melted
  • the produce which most benefits from the present invention are pharmaceuticals and higher value fresh foods, which are subjected to extended travel and storage. All seafoods including lobsters, crayfish, oysters, fish such as salmon, fresh cut flowers, fresh herbs, vegetables such as broccoli, cauliflower, lettuce, spinach, carrots, brussel-sprouts and fruits that benefit from chilled storage and transportation including tomatoes, stone fruits, melons, grapes, mangoes, strawberries, pears, bananas and kiwifruit.
  • the product container may conveniently be a flexible bag of reflective foil. For applications where the product container needs to be liquid tight a laminate of a polymeric film and a reflective layer is used to form the product bag.
  • the function of the protrusions on the inner wall of the rigid transport container is to prevent the inner product container from contacting the greater portion of the wall surface so that an air space is formed between the outer surface of the product container and the inner surface of the lidded container.
  • the protrusions may be a series of upstanding ribs or baffles arranged on the base and the side and end walls of the transport container. These can be aligned horizontally, vertically or both, although in moulded containers a vertical orientation is easier to form.
  • the height of the ribs from the base or walls is preferably in the range of 1 to 3 cm. Below 1 cm the air gap provides insufficient insulating performance while above 3 cm the loss of useable interior volume affects economic performance of the package.
  • the spacing between the ribs should be at least 1cm and the upper limit will vary according to the dimensions of the product bag and whether portions of it can enter the air space.
  • Baffles or ribs can be provided on the lid but, as there is usually an air gap between the product container and the lid, these baffles are generally superfluous.
  • the material of the transport container can be any suitable insulating material such as wood, moulded plastic such as polystyrene, plastic foams such as expanded polystyrene [EPS], or polyurethane, corrugated cardboard or combinations of these.
  • the baffles need not be formed of the same material as the container. Polystyrene foam or cork baffles arranged horizontally and/or vertically on the walls of a corrugated cardboard box are examples.
  • the air space could also be created by an open sided honeycomb structure of cardboard or plastic. Cardboard strips of 1 to 3 cm in width interlocking at right angles can be inserted on the bottom and sides to provide air spaces of 1 to 3 cm in depth.
  • the advantage of using such a cardboard grid is that the thickness of the board does not reduce the volume of the airspace which can be a problem with cork or polystyrene ribs or projections.
  • the lidded transport container is enclosed within a shipping cover which also provides insulation.
  • This cover may be foil covered.
  • the product container may be rigid but is preferably flexible.
  • the product container is a foil coated bag made from a foil laminate such as reflective aluminium/polyethylene. For non-water proof applications only foil need be used.
  • An alternative to a foil/film laminate is metallised polymeric film suitable for packaging such as metallised polyethylene, polyester.or polypropylene.
  • Inside the product container there may be a product tray or other ancillary packaging materials used for the particular product.
  • the product container may be vacuum evacuated and sealed.
  • Coolant preferably water ice, is also included inside the product container or the transport container.
  • the coolant must be present in sufficient quantity and at an initial temperature which ensures that it is not completely melted before the produce is ready for presentation.
  • the coolant is present in an amount from 10% to 40% by weight of the produce.
  • Alternative coolants to _1 to -2 °C ice are :
  • the ice or coolant is in contact with the fish or other produce it is preferably at a temperature above that at which the produce itself becomes frozen to prevent undesirable tissue damage.
  • the ice is preferably added at a temperature of -2 to -5°C.
  • An alternative is to store the coolant in a compartment above the produce so that much lower coolant temperatures can be used.
  • the coolant can be arranged on the internal face of the lid or on a stand to elevate it above the produce within the product bag.
  • the coolant is preferably stored within the product bag.
  • figure 1 is a schematic exploded end view of the package of this invention
  • figures 2 and 3 are a plan view and a side view of the longer wall of the lidded container.
  • the package consists of an outer cover 1 , a lidded container 4 and a product bag 3.
  • the external cover 1 is a foil coated 1.5mm fluted cardboard cover dimensioned to fit over the container 4.
  • the container 4 is of polystyrene with a polystyrene lid 2.
  • the base and walls of the container 4 include internal baffles 5 which are 10mm in depth to create the 10mm deep air spaces 6 in the container walls and base.
  • the product bag 3 is a polyethylene/aluminium foil laminate with an outer reflective surface which abuts the air spaces 6 when it is full. Alternatively a metallised polypropylene film with the outer surface being reflective can be used.
  • the product bag includes a drainage tray 7 and an absorbent pad 8 to absorb melted ice and fluids. The fish is placed on the tray and a quantity of ice is placed on the fish and the bag is then closed. The flushing action of the melted ice flowing over the surface of the fish enhances its appearance.
  • FIG. 2 and 3 a variation of the lidded container is shown. It consists of side walls 11 , end walls12 and base 13 each of 2cm thick polystyrene.
  • the lid 17 is also 2cm thick.
  • Baffles 14 are vertically arrayed on the side walls 11 and end walls 12 and these extend the full height of these walls.
  • the baffles 14 are 1cm square in end section and are spaced at least 2cm apart.
  • Baffles 15 on the base 13 are similarly dimensioned and spaced apart. This means that air spaces 16, which are 1cm deep and at least 2cm wide, surround the product bag on 3 sides.
  • the product bag is dimensioned so that when it is full there is at least a 1cm air space between it and the lid 17.
  • baffles are important that, relative to the mass of the full product bag, the baffles not be easily compressed so that the air space is not diminished during transportation.
  • the insulation performance of a package can be measured by its R value which is a measure of the heat transfer through the package walls. Another method is to measure the time taken for a given mass of ice to melt.
  • Box A was a one piece cardboard box with 3mm flutes having an average surface area of 1.0m 2 and the product bag was a lOOmicron thick polyethylene bag.
  • Box B was a one piece cardboard box with 3 mm flutes and 2cm thick baffles on the internal surfaces of the base, walls and lid. The external surface was covered with a laminate of reflective aluminium foil over a 3mm thick plastic bubble wrap. The average surface area was 0.89m 2 and the product bag was a 70micron thick aluminium foil/polyethylene laminate bag.
  • Box C was a two piece 3mm fluted cardboard box including an enveloping cover, having of average surface area of 1.0m 2 . The product bag is of lOOmicron polyethylene.
  • Box D was a two piece 3mm flute corrugated cardboard box with 2cm thick expanded polystyrene baffles on inner walls, base and lid.
  • the average surface area was 0.89m .
  • the product bag was composed of 70 micron thick reflective aluminium foil/polyethylene laminate.
  • the two packages according to the invention [B and D] out performed the prior art boxes and enable less ice to be needed with the consequence that the package weight can be reduced.
  • Example 2 Polystyrene fish boxes of the prior art and the invention were tested with and without fish under the same conditions as in example 1. Again 4.5 Kg of -1 °C ice was placed in the bag and in the second trial 16 Kg of fish chilled to 0 -1 °C was also included.
  • Box E was an expanded polystyrene box with 2cm thick base, walls and lid. A 1.5mm fluted corrugated cardboard cover fits over the box. Average surface area was 0.9m 2 . The product bag was 100 micron thick polyethylene.
  • Box F was the same as box E, with 1.0 cm thick expanded polystyrene baffles on the inner walls, base and lid.
  • the external surface of the cover was covered with reflective aluminium foil .
  • Average surface area was 0.85m 2 .
  • the product bag was made of a 70 micron thick laminate of reflective aluminium foil and polyethylene, [invention] Table 2
  • Example 3 Four cardboard boxes were tested with ice only to gauge the effect of baffles alone, a reflective product bag alone, as well as a container with neither feature and one with both. The conditions were the same as in example 1 with 4.5Kg of -1 °C ice being used and the ambient temperature being 20°C.
  • Box K is the same as box C.
  • Box L is a two piece 3mm fluted cardboard box including an enveloping cover. Baffles 2cm thick are arranged on the inner walls base and lid. The average surface area is 0.89m 2 .
  • the product bag was 100 micron thick polyethylene.
  • Box M is a two piece 3mm cardboard box including an enveloping cover.
  • the average surface area is 1.0m 2 .
  • the product bag is 70micron thickreflective aluminium foil and polyethylene.
  • Box X was the same as box E with 1cm thick expanded polystyrene baffles on the inner wall, base and lid. The average surface area was 0.85m 2 .
  • the product bag was 100 micron thick polyethylene. Only 4Kg of ice was added with the fish.
  • Box Y was the same as box E.
  • the average surface area was 0.9m 2 .
  • the product bag is 70micron thick reflective aluminium foil and polyethylene.
  • Box Z is the same as box F. Only 4Kg of ice was added with the fish. Table 4
  • the higher ambient temperature has a significant effect on the time taken to melt the ice. Even with less ice the combination out performed the other boxes when fish was present.
  • a 60 micron LDPE [low density polyethylene] film was heat sealed to form product bags. These were filled with chilled fish and ice and placed inside an EPS box [box E]. The bags were evacuated to remove air surrounding the fish and ice, then sealed. The heat transfer properties of of these bags were compared with that of lOOmicron LDPE bags that were unsealed and not evacuated inside an EPS box [box E].

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)

Abstract

Cet emballage isolant sert à transporter des produits réfrigérés et il se compose d'un sac (3), lequel est destiné à des produits, présente une surface extérieure réfléchissante et est placé dans un contenant de transport (4) muni d'un couvercle et comportant des éléments saillant vers l'intérieur ou montants (5), lesquels présentent une hauteur d'au moins 1 cm, sont espacés les uns des autres afin de constituer un espace isolant entre le sac (3), d'une part, et la base et les parois du contenant, d'autre part. La couche réfléchissante extérieure peut être constituée par un film métallisé ou une feuille métallique stratifiée sur un film polymère. Le cas échéant, le couvercle présente également des éléments saillants. Le sac (3) destiné aux produits peut être scellé sous vide. De la glace placée avec le produit dans le sac prend plus de temps pour fondre que lorsqu'on la place dans des contenants classiques isolés.
EP98900812A 1997-01-21 1998-01-20 Contenant de transport a isolation Withdrawn EP0961741A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPO469397 1997-01-21
AUPO4693A AUPO469397A0 (en) 1997-01-21 1997-01-21 Insulated transport container
PCT/AU1998/000026 WO1998031608A1 (fr) 1997-01-21 1998-01-20 Contenant de transport a isolation

Publications (1)

Publication Number Publication Date
EP0961741A1 true EP0961741A1 (fr) 1999-12-08

Family

ID=3798997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98900812A Withdrawn EP0961741A1 (fr) 1997-01-21 1998-01-20 Contenant de transport a isolation

Country Status (5)

Country Link
EP (1) EP0961741A1 (fr)
AU (1) AUPO469397A0 (fr)
CA (1) CA2278748A1 (fr)
NZ (1) NZ336489A (fr)
WO (1) WO1998031608A1 (fr)

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WO2004016520A2 (fr) * 2002-08-14 2004-02-26 Rubbermaid Commercial Products Llc Support isole
US8026819B2 (en) 2005-10-02 2011-09-27 Visible Assets, Inc. Radio tag and system
US8378841B2 (en) 2003-04-09 2013-02-19 Visible Assets, Inc Tracking of oil drilling pipes and other objects
WO2010044107A2 (fr) 2008-10-16 2010-04-22 Torrent Pharmaceuticals Ltd. Récipient à contrôle thermique pour produits périssables et non périssables
JP6386927B2 (ja) * 2015-01-30 2018-09-05 積水化成品工業株式会社 保温容器
CA3024496A1 (fr) 2016-05-18 2017-11-23 Walmart Apollo, Llc Systemes de refroidissement par evaporation et procedes de regulation de temperature de produit pendant la livraison
WO2018022375A1 (fr) 2016-07-27 2018-02-01 Wal-Mart Stores, Inc. Systèmes et procédés de distribution de denrées périssables
WO2018067499A1 (fr) 2016-10-04 2018-04-12 Wal-Mart Stores, Inc. Systèmes et procédés utilisant des matériaux d'isolation nanotechnologiques pour limiter les changements de température pendant la livraison d'un produit
AT522704B1 (de) * 2019-06-24 2023-07-15 Rep Ip Ag Verpackung für pharmazeutische Erzeugnisse
AT522703B1 (de) * 2019-06-24 2023-07-15 Rep Ip Ag Verpackung für pharmazeutische Erzeugnisse
CN111232383B (zh) * 2020-01-20 2021-12-17 中国人民解放军陆军军医大学第二附属医院 一种隔热供血箱
NO346467B1 (en) * 2020-12-22 2022-08-29 Smartfoodpack As A packaging device, system and method
KR102673357B1 (ko) * 2022-07-28 2024-06-07 김수미 냉장냉동식품용 박스

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FR2492342A1 (fr) 1980-10-20 1982-04-23 Conditionn Ste Gle Entreprise Sac destine au conditionnement sous vide isolant et impermeable aux gaz
AU8063987A (en) * 1986-12-03 1988-06-09 Young Corp. An insulating means
NO162335C (no) 1987-06-30 1989-12-13 Norsk Hydro As Termokasse for transport av ferskvare saa som fisk, kjoett,medisiner e.l., samt fremgangsmaate for fremstilling av hullegeme som kassen er formet av.
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Also Published As

Publication number Publication date
WO1998031608A1 (fr) 1998-07-23
CA2278748A1 (fr) 1998-07-23
NZ336489A (en) 1999-10-28
AUPO469397A0 (en) 1997-02-13

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