WO2002074642A1 - A collapsible insulated freight container - Google Patents
A collapsible insulated freight container Download PDFInfo
- Publication number
- WO2002074642A1 WO2002074642A1 PCT/AU2002/000274 AU0200274W WO02074642A1 WO 2002074642 A1 WO2002074642 A1 WO 2002074642A1 AU 0200274 W AU0200274 W AU 0200274W WO 02074642 A1 WO02074642 A1 WO 02074642A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- walls
- base
- freight container
- perimeter
- container
- Prior art date
Links
Classifications
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- 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
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/02—Rigid pallets with side walls, e.g. box pallets
- B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
- B65D19/14—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of wood
- B65D19/16—Collapsible pallets
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- 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
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/02—Rigid pallets with side walls, e.g. box pallets
- B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
- B65D19/08—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of metal
- B65D19/12—Collapsible pallets
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- 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
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/02—Rigid pallets with side walls, e.g. box pallets
- B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
- B65D19/18—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of plastics material
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- 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
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/005—Side walls formed with an aperture or a movable portion arranged to allow removal or insertion of contents
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
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- B65D2519/00024—Metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/00009—Materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/00009—Materials
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
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- B65D2519/00164—Metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D2519/00009—Materials
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- B65D2519/00184—Combination, e.g. different elements made of different materials, laminates
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- 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
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- B65D2519/00009—Materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B65D2519/00218—Combination, e.g. different elements made of different materials, laminates
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
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- B—PERFORMING OPERATIONS; TRANSPORTING
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-
- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00706—Connections structures connecting the lid or cover to the side walls or corner posts
- B65D2519/00711—Connections structures connecting the lid or cover to the side walls or corner posts removable lid or covers
-
- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/00805—Means for facilitating the removal of the load
-
- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/0086—Protection against environmental hazards, e.g. humidity, bacteria, fire
-
- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/0098—Dismountable elements
- B65D2519/00995—Dismountable elements detachable elements of the side wall, i.e. not the whole wall
Definitions
- a COLLAPSIBLE INSULATED FREIGHT CONTAINER This invention relates to a collapsible insulated freight container and methods of assembly thereof.
- US patent number 5,794,542 in the name of L. G. Vesaw, is directed to a light weight disposable or recyclable corrugated cardboard container.
- the construction of this container involves the interlocking of four corrugated sheets to form the walls of the container, which in turn interlock into a pallet formed from corrugated plastic or cardboard.
- the pallet aspect of this container involves a number of layers to reinforce the feet or support areas of the pallet.
- US patent number 4,760,922 in the name of R. D. Northgrave is directed to a paperboard container formed from one sheet of paperboard wherein the side walls are identified through scoring of the paperboard, and the top and base of the container are formed through the interlocking of flaps cut out along the longitudinal edges of the paperboard.
- US 4,760,922 describes that the container may, when in a semi-erect state, be secured to a standard wooden pallet typically through stapling.
- the container of the type described in the US 4,760,922 is not suitable for the transport of perishable goods due to inherent lack of material strength of the paperboard used to construct the container. Furthermore, the container may become separated from the pallet during transport and result in the damage of goods contained therein.
- the invention resides in a collapsible insulated freight container for transport of perishable goods comprising; a base, having four perimeter walls, a perimeter recess in the base along the inside of each perimeter wall; two end walls and two side walls inserted in the perimeter recess of the base to form the walls of the container in an erect state, and to be placed horizontally within the perimeter walls of the base when in a collapsed state; and a lid engageably positioned either on top of the end and side walls of the container when in an erect state, or the top of the perimeter walls of the base when in a collapsed state.
- the collapsible insulated freight container may further comprise a seal in the perimeter recess of each perimeter wall. Another seal may be offset from the edge of the lid and located on the underside of the lid and/or located on an inner face of a flange, the flange extending substantially at right angles from the underside of the lid. Further seals may be located on the side walls or on the end walls at the abutments of the side walls and the end walls.
- the container may also comprise an adjustable securing means for holding together the lid, side and end walls and base of the container in its erect state and in its collapsed state.
- Each end wall may be connected to each side wall via an interlocking mechanism.
- the mechanism may comprise a peg attached to an end wall and a bracket attached to a side wall, or vice versa, at each abutment between the end and side walls.
- the peg is preferably generally right angled in shape comprising a generally horizontal arm and a generally vertical peg.
- the bracket may comprise a first aperture connected to a second aperture, the apertures being located on substantially perpendicular faces of the bracket.
- the apertures are preferably of different heights. Alternatively, the apertures may be the same height and offset with respect to each other.
- the peg may be inserted into the first aperture and the vertical peg aligned with the second aperture to lock together the side and end walls.
- the base, end walls, side walls and lid are constructed from an insulating material sandwiched between two outer layers. More preferably the insulating material is an insulating foam such as expanded polystyrene. Most preferably, the insulation material is polyurethane close cell refrigeration insulation foam.
- the outer layers are made of fibreglass. Alternatively, the outer layers may be made from a high impact plastic or sheet metal. Extra strengthening may be used in the base, end walls and/or side walls, to prevent bowing.
- one or both of the end walls is bifurcated to allow ease of access to goods upon delivery.
- one of the abutting edges comprises a seal.
- the base is adapted to receive the forks of a forklift or pallet jack.
- the base may be adapted to receive the forks of a forklift by either having spaced integral feet or spaced hollow channel sections.
- the integral feet of the base are most preferably formed from moulded, reinforced fibreglass outer layers comprising a high density foam insert. Alternatively, the integral feet may be formed from a moulded plastic, such as PVC.
- the integral feet of the base are positioned to facilitate access by a forklift and allow the container to be lifted from either the end positions or side positions of the container.
- the integral feet of the base consist of four corner feet, two side supports, two end supports and a larger central support. The end supports and side supports may be located at the centre of each end and side respectively.
- the spaced hollow channel sections are preferably located at the sides of the base and shaped and spaced so as to receive the forks of a forklift or pallet jack.
- the base having hollow channel sections is formed from an outer fibreglass casing having apertures in the sides to receive a forklift's forks; an internal frame having two tubular sections spaced to correspond with the forks of a forklift and two or more cross supports; and an inner floor.
- the inner floor is preferably shaped at its perimeter so as to form a perimeter recess along the perimeter of the walls of the base, when in use.
- the outer base and internal frame may have corresponding apertures through the underside of broad tubular sections adapted to receive the wheels of a pallet jack.
- the invention resides in a method of erecting a collapsible insulated freight container comprising the steps of: inserting a first side wall into a perimeter recess of a base; inserting a first end wall into the perimeter recess of the base; connecting the first side and end walls together; inserting a second side wall and a second end wall into the perimeter recess of the base; connecting the second side and end walls together; connecting the first side wall and the second end wall together and connecting the first end wall and the second side wall together; and, placing a lid on top of the side and end walls.
- Fig 1 is a perspective view of an erected collapsible insulated freight container.
- Fig 2 is a cross-sectional front view of the freight container of Fig 1.
- Fig 2a is an end view of the freight container of Fig 1.
- Fig 3a is a bottom view of the integral feet of the base.
- Fig 3b is a side view of the base.
- Fig 3c is an end view of the base.
- Fig 3d is a perspective underside view of an alternative embodiment of the base.
- Fig 3e is a schematic drawing showing a base formed from an outer shell, an internal frame and an inner floor.
- Fig 3f is a schematic drawing showing underneath view of the internal frame of Fig 3e.
- Fig 3g is a schematic drawing showing a cross-sectional view of the collapsible freight container having a base of Fig 3e.
- Fig 4 is a truncated view of the freight container in a collapsed state.
- Fig 5 is a perspective view of the interlocking mechanism for the end walls and side walls.
- Fig 6 is a truncated cross-sectional view of the base, the perimeter wall and one integral foot.
- DETAILED DESCRIPTION OF THE DRAWINGS In general, Fig 1 shows a freight container 1 in an erected state comprising a base 2, having integral feet supports 3, perimeter walls 4 & 5 and a perimeter recess 11 (shown in Fig 2 and 4 in more detail) inside the perimeter walls 4 & 5, side walls 6 & 7, end walls 8 & 9 and a lid 10.
- the side walls are generally 1 to 1.8 metres in height and 1 - 2.5 metres in length.
- the end walls are typically 1 to 1.8 metres square. It will be appreciated by a person skilled in the art that the size of the panels may be varied depending on the nature and volume of the goods to be transported.
- One or both of the end walls may be bifurcated to allow for access to goods, as shown in Fig 1 at the end wall 9. Any suitable means known in the art may be used to produce the hinging effect of the bifurcated end wall.
- Both the end and side walls are generally between 90 to 110 mm thick, but preferably they are 105 mm in thickness.
- the side and end walls may also be tapered for insertion in the perimeter recess of the base. The engagement of the side walls with the perimeter recess 11 is shown in Fig 2.
- the base member 2 generally is 1 to 1.8 metres in width and 1 to 2.5 metres in length.
- the perimeter walls 4 & 5 of the base 2 are approximately
- the integral feet 3 of the base 2 are approximately 90 mm in height.
- the base 2 has an overall height of approximately 310 mm. It will be appreciated by a person skilled in the art that the dimensions of the base may vary depending on the size of the side and end walls, which may vary with the nature and volume of the goods to be transported.
- the base 2 comprises a base section 17, integral feet 3 and perimeter walls 4 and 5. (Fig 6 shows one of the integral feet and one perimeter wall 4.)
- the base components are bonded together with resins and fibreglass such that the base 2 is effectively a single unit.
- the perimeter recess 11 of the base 2 includes a rubber seal 18 that is engaged by the side walls 6 and 7 and end walls 8 and 9 when the walls are inserted into the recess.
- the rubber seal ensures a seal between the base and the walls and minimises any change in temperature inside the insulated container.
- the seal helps prevent the ingress of moisture and the like.
- the seal 18 may be of the compressible foam rubber type or of any other suitable type known in the relevant art.
- the lid member 10 is generally 1 to 1.8 metres in width and 1 to 2.5 metres in length and approximately 41 mm in height. It will be appreciated by the person skilled in the art that the dimensions of the lid may vary with the dimensions of the side and end walls and the base.
- the lid may contain a flange 16 (shown in Fig 4) of resilient material, which may be offset from the edge of the lid and is suitable for engaging with the side and end walls, and the perimeter walls 4 & 5 of the base 2.
- the flange 16 (shown in detail in Fig 4) of the lid 10 may be made from the same material as the lid. In the case that the lid is formed from an insulating foam sandwiched between two outer layers, the flange 16 is formed from the same material as one of the outer layers.
- the lid 10 also includes a rubber seal offset from the perimeter of the lid and adjacent the flange 16.
- the seal may lie parallel to and abut the underside 20 of the lid 10, extending from the flange 16 away from the edge of the lid.
- the seal may lie parallel to and abut an interior face of the flange 16, extending away from the underside of the lid 10.
- a further alternative comprises the seal 19 abutting both the flange 16 and the underside of the lid 10, as shown in Fig 4.
- the seal is located on the lid such that it is engaged by the walls to provide the aforementioned thermal and moisture seal when the container is erected.
- the lid 10 is connected to the base 2 via an adjustable, tensioned webbing strap or adjustable securing means, shown as 30 in Fig 2a.
- Fig 2a shows an end view of the freight container, having an adjustable, tensioned webbing strap 30 fastened to the lid 10 and the base 2.
- the webbing strap 30 can be placed under tension using a cam lock type arrangement, shown schematically as 31 in Fig 2a.
- the webbing strap 30 may pass over the lid 10 and walls 6, 7, 8 and/or 9 and underneath the base 2.
- the webbing strap is an additional securing means for the container in addition to the perimeter recess 11 in the base and flange 16 of the lid, both of which contribute to maintaining the integrity of the container.
- the webbing strap is shortened to securely hold togetherthe base, walls and lid of the container in its collapsed state shown in Fig 4.
- the lid, base, side and end walls are constructed from an insulating material sandwiched between two outer layers.
- the insulating material is a reinforced foam and most preferably is polyurethane close cell refrigeration insulation foam.
- the outer layers are preferably fibreglass, although they may be high impact plastic or sheet material. Strengthening may be used to prevent bowing of the lid, base and/or side walls.
- the erection of the container 1 involves inserting a first side wall 6 into the perimeter recess 11 of the base 2, thus contacting the seal 18 therein.
- a first end wall 8 is then placed into the perimeter recess 11 of the base 2 .
- the side wall 6 and the end wall 8 are connected together by means of an interlocking mechanism 21 shown in Fig 5.
- Attached to the edge of the side wall 6, by any suitable means known in the art, is a generally right angled peg 22.
- Attached to the edge of the end wall 8, by any suitable means known in the art, is a bracket 23 comprising a socket 24 shaped to receive the peg 22.
- the socket 24 comprises a first aperture 25 on a face of the bracket that lies substantially perpendicular to the plane of the end wall 8.
- the first aperture 25 is shaped and sized to permit ingress of the peg 22.
- a second aperture 26 which is connected to the first aperture 25.
- Aperture 26 is generally the same width as peg 22, but is of a height smaller than the peg 22. Alternatively, the apertures may be the same height and offset with respect to each other.
- the peg 22 is inserted into the first aperture 25 and aligned generally with the second aperture 26.
- the generally horizontal arm 27 of the peg is then allowed to rest on the edge 28 of the second aperture 26, thus locking the side wall and end wall together.
- the side wall and end wall are disconnected by reversing the aforementioned connecting process.
- the peg 22 and bracket 23 are comprised of any known material that is sufficiently strong to withstand multiple connections and disconnections of the side and end walls and that may be securely attached to the container wall material being utilised.
- the peg 22 is attached to the edge of the side wall 6 and the bracket 23 is attached to the end wall 8.
- the opposite edge of the side wall there may be provided another peg. Alternatively it may be a bracket.
- the opposite edge of the end wall 8 may comprise either a peg or a bracket. Any combination of the described interlocking pegs and brackets are within the scope of the invention, providing that the end walls and the side walls may be connected togetherto form the walls of the insulated freight container.
- the interlocking mechanism may be positioned at any location along the height of the side and end walls that affords secure connection between the side and end walls.
- a preferred location is generally around the midpoint of the overall height of the walls.
- rubber seals are employed. These may be of the same type used on the lid 10 and in the perimeter recess 11 of the base 2.
- seals may be achieved by attaching a foam rubber strip or the like to the edge of the end walls that abut the side walls.
- a seal is also provided along the edge of one of the abutting edges of the bifurcation of any bifurcated wall.
- first side wall 6 and first end wall 8 are in place and connected, the other side wall 7 and end wall 10 are placed into the perimeter recess of the base 2 and interlocked with the other walls in the same manner.
- Perishable goods, to be transported, may be placed into the container whilst still under construction, such as when one or two of the walls are yet to be put in place.
- the lid 10 is placed on top of the side and end walls 6-9 such that the edges of the side and end walls abut the seal 19 of the lid.
- Fig 2 shows a cross sectional view of the container 1 in an erect state having a lid 10 with a flange 16, two side walls 6 & 7 engaged with the perimeter recess 11 of the base 2, which comprises perimeter walls 4 & 5 and integral feet 3.
- the flange 16 assists in locating the lid 10 on the walls 6- 9 and prevents any splaying of the walls.
- Fig 3a shows a bottom view of the base 2 and an arrangement for the integral feet 3, comprising four corner feet 12, two end supports 13, two side supports 14 and a central support 15.
- the integral feet are generally 90mm in height and are preferably formed from moulded reinforced fibreglass outer layers with a high density foam insert.
- the integral feet 3 may be formed from a moulded plastic, such as PVC.
- Fig 3d shows an alternative configuration for the integral feet 3.
- each of the integral feet are substantially the same size. The number and configuration of the integral feet may be selected, for example, according to the size of the container and/or the weight of the contents.
- the integral feet 3 of the base 2 have a height and arrangement to facilitate access by a forklift and allow the container to be lifted from either the end or side positions of the container.
- Fig 3b and Fig 3c are elevation views of the side and ends, respectively, of the base 2, with perimeter walls 4 & 5, corner feet 12 and a side support 14 and an end support 13, respectively.
- Fig 3e is a schematic view of an alternative base comprising an outer base 32, an internal frame 33 and an inner floor 34, in its separate parts.
- the outer base 32 is preferably formed from fibreglass and has two or four apertures 35, only two apertures are shown in Fig 3e, in the side walls for receiving the forks of a forklift or pallet jack.
- the internal frame 33 is preferably formed from a light alloy and constructed to have two broad tubular base sections 36 and two or more smaller cross members 37.
- the inner floor 34 is preferably formed from insulated foam sandwiched between outer fibreglass sheets.
- the perimeter of the inner floor 34 is preferably shaped to form a recess along the inside of the perimeter walls of the base. Alternatively the inner floor 34 maybe formed to incorporate the smaller cross members 37 of the internal frame 33.
- the outer base 32 may be moulded so that the inner surface of the floor is contoured in such a way that when the internal frame 33 is in place the inner contours of the floor of the outer base 32 are at approximately the same height as the two broad tubular base sections 36 of the internal frame 33.
- Fig 3f shows a schematic under view of the internal frame.
- the internal frame 33 may be constructed of aluminium and formed from two broad tubular base sections 36 and three narrower cross members 37.
- the broad tubular base sections 36 may have apertures 38 located on the underside of the inner frame and towards the midway point of the tubular base sections 36.
- the apertures 38 are adapted to receive the wheels of a pallet jack.
- the outer base 32 will have corresponding apertures to accommodate the wheels of the pallet jack.
- Fig 3g shows a schematic cross section view of the freight container in a collapsed state.
- the base 2 is of the type having an outer base 32 having apertures 35 in the side walls of the outer base, and an inner floor 34.
- the inner floor 34 is formed to incorporate the smaller cross section members of the internal frame 33.
- the lid 10 shows a flange 16 which engages with the outside of the perimeter walls 4 of the base 2, in a collapsed state or when the freight container is in an erect state the outside of the side and end walls 6-9.
- the alternative base to the integral feet, as described in Fig 3e to 3g provides better weight distribution within the freight container when carrying heavy or extreme weights.
- Fig 4 is a truncated cross-sectional view of the freight container in a collapsed position.
- the lid 10 is removed from the erect container and set aside, before the side and end walls 6 - 9 are lifted from the base 2 and placed horizontally within the perimeter walls 4 & 5 of the base 2. (Only perimeter wall 4 is shown in Fig 4).
- the lid 10 is placed on the top of the base 2 which contains the side and end walls 6-9.
- the resilient flange 16 of the lid 10 engages with the perimeter walls 4 & 5 of the base 2 to secure the lid in place for return transport. It will be appreciated that the resilient flange 16 may engage with the external surface of the perimeter walls 4 and 5, as shown in Fig 3g.
- the flange 16 may be external or internal relative to the perimeter walls 4 and 5 of the base 2.
- the aforementioned tensioned webbing strap is passed around the collapsed container and adjusted for a secure fit.
- the freight container may be adapted to receive a net type harness with adaptation made to the base, side and end walls to secure and fasten the harness in place.
- the net type harness may be used in the transportation of easily bruised or damaged perishables, such as whole fish.
- the metal base in Fig 3e may form the foundation for or be adapted to receive a collapsible frame for use in carrying products on different shelves or in harnesses attached thereto.
- the freight containers' lid, side walls, end walls and/or base may be adapted to receive frames to carry dry ice or other ice packs to allow for continuous cooling of goods during transport. It will be appreciated by the person skilled in the art that the freight container may be adapted depending on the nature and volume of goods being transported without departing from the essence of the invention.
- the collapsable freight container of the invention allows for the safe and cost effective transport of all perishable goods, such as frozen products, fresh fruit and vegetables and meat products.
- the collapsible freight container is strong enough to withstand the strains of multiple use and overcomes the need for additional linings and or insulation as required in the prior art, for the transport of perishable goods.
- the light weight construction of the collapsible freight container and the fact that the container is collapsible reduces the transport costs, through reduced weight and volume.
- the reinforced fibreglass construction of the invention contributes to the collapsible container being capable of carrying greater weights.
- the integral base obviates the need for a separate pallet to be attached to the container and ensures safe transportation by, for example, fork lift.
- the collapsible freight container permits the transportation of chilled and/or frozen products with minimal temperature rise of the products and without the need for mechanical refrigeration of the transport vehicle.
- fibreglass and foam construction allows the container of the invention to be used in situations where, for example, metal containers are unsuitable, such as with airfreight.
- the fibreglass outer layers may be easily repaired using fibreglass and resins, prolonging the life of the containers.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPR3775A AUPR377501A0 (en) | 2001-03-16 | 2001-03-16 | A collapsible insulated freight container |
AUPR3775 | 2001-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002074642A1 true WO2002074642A1 (en) | 2002-09-26 |
Family
ID=3827783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2002/000274 WO2002074642A1 (en) | 2001-03-16 | 2002-03-11 | A collapsible insulated freight container |
Country Status (2)
Country | Link |
---|---|
AU (1) | AUPR377501A0 (en) |
WO (1) | WO2002074642A1 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1419973A1 (en) * | 2002-11-15 | 2004-05-19 | Tarpack S.L. | Collapsible pallet box |
EP1459993A1 (en) * | 2003-03-19 | 2004-09-22 | Aspen Investment (Corporation) Limited | Collapsible crate |
WO2004083058A1 (en) | 2003-03-19 | 2004-09-30 | Aspen Investment (Corporation) Limited | Collapsible crate |
WO2007019833A1 (en) * | 2005-08-16 | 2007-02-22 | Mark Arinstein Maschinen & Anlagen Gmbh | Pallet having great dimensional stability and load-bearing capacity |
DE102006024651A1 (en) * | 2006-05-22 | 2007-11-29 | Thermohauser Gmbh | Wall for insulated containers and insulated containers |
WO2010089014A1 (en) * | 2009-02-04 | 2010-08-12 | Schoeller Arca Systems Gmbh | Heavy load carrier |
US7823739B2 (en) | 2006-12-08 | 2010-11-02 | C Cubed I Llc | Collapsible shipping container |
US20110258972A1 (en) * | 2010-04-26 | 2011-10-27 | Kenneally Keith A | Jet pod |
DE102011103359A1 (en) * | 2011-05-27 | 2012-11-29 | Febra-Kunststoffe Gmbh | charge carrier |
JP2017100795A (en) * | 2015-12-04 | 2017-06-08 | トッパン・フォームズ株式会社 | Cold insulation box |
US10011418B2 (en) | 2014-09-26 | 2018-07-03 | Pelican Biothermal Llc | High efficiency bolt-on thermal insulating panel and thermally insulated shipping container employing such a thermal insulating panel |
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AU6602386A (en) * | 1985-12-02 | 1987-06-04 | Leu, L.G. | Collapsible container |
WO1995010378A1 (en) * | 1993-10-13 | 1995-04-20 | Temp Top Container Systems, Inc. | Method and apparatus for insulating pallet sized containers |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1419973A1 (en) * | 2002-11-15 | 2004-05-19 | Tarpack S.L. | Collapsible pallet box |
ES2241401A1 (en) * | 2002-11-15 | 2005-10-16 | Tarpack, S.L. | Collapsible pallet box |
EP1459993A1 (en) * | 2003-03-19 | 2004-09-22 | Aspen Investment (Corporation) Limited | Collapsible crate |
WO2004083058A1 (en) | 2003-03-19 | 2004-09-30 | Aspen Investment (Corporation) Limited | Collapsible crate |
WO2007019833A1 (en) * | 2005-08-16 | 2007-02-22 | Mark Arinstein Maschinen & Anlagen Gmbh | Pallet having great dimensional stability and load-bearing capacity |
DE102006024651B4 (en) * | 2006-05-22 | 2008-03-06 | Thermohauser Gmbh | Wall for insulated containers and insulated containers |
DE102006024651A1 (en) * | 2006-05-22 | 2007-11-29 | Thermohauser Gmbh | Wall for insulated containers and insulated containers |
US7823739B2 (en) | 2006-12-08 | 2010-11-02 | C Cubed I Llc | Collapsible shipping container |
WO2010089014A1 (en) * | 2009-02-04 | 2010-08-12 | Schoeller Arca Systems Gmbh | Heavy load carrier |
US20110258972A1 (en) * | 2010-04-26 | 2011-10-27 | Kenneally Keith A | Jet pod |
WO2011136821A1 (en) * | 2010-04-26 | 2011-11-03 | Kenneally Keith A | Jet pod |
US8250835B2 (en) * | 2010-04-26 | 2012-08-28 | Kenneally Keith A | Thermally insulated, collapsible cover assembly and method of using to transport perishable produce |
DE102011103359A1 (en) * | 2011-05-27 | 2012-11-29 | Febra-Kunststoffe Gmbh | charge carrier |
US10011418B2 (en) | 2014-09-26 | 2018-07-03 | Pelican Biothermal Llc | High efficiency bolt-on thermal insulating panel and thermally insulated shipping container employing such a thermal insulating panel |
JP2017100795A (en) * | 2015-12-04 | 2017-06-08 | トッパン・フォームズ株式会社 | Cold insulation box |
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