EP3222545B1 - Liquid container - Google Patents

Liquid container Download PDF

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Publication number
EP3222545B1
EP3222545B1 EP17161569.3A EP17161569A EP3222545B1 EP 3222545 B1 EP3222545 B1 EP 3222545B1 EP 17161569 A EP17161569 A EP 17161569A EP 3222545 B1 EP3222545 B1 EP 3222545B1
Authority
EP
European Patent Office
Prior art keywords
portions
reinforcement member
liquid container
longitudinal direction
reinforcement
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.)
Active
Application number
EP17161569.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3222545A1 (en
Inventor
Guido Barion
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.)
Greif International Holding BV
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Greif International Holding BV
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Filing date
Publication date
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Publication of EP3222545A1 publication Critical patent/EP3222545A1/en
Application granted granted Critical
Publication of EP3222545B1 publication Critical patent/EP3222545B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/0446—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks
    • B65D77/0453—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section
    • B65D77/0466—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section the containers being mounted on a pallet
    • 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
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0053—Rigid pallets without side walls the load supporting surface being made of more than one element
    • B65D19/0077—Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0089—Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces the base surface being made of more than one element
    • B65D19/0093—Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces the base surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0095—Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces the base surface being made of more than one element forming discontinuous or non-planar contact surfaces and each contact surface having a stringer-like shape
    • 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
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00024—Metal
    • 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
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00029—Wood
    • 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
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00044—Combination, e.g. different elements made of different materials, laminates
    • 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
    • B65D2519/00049—Materials for the base surface
    • B65D2519/00064—Wood
    • 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
    • B65D2519/00084—Materials for the non-integral separating spacer
    • B65D2519/00099—Wood
    • 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
    • B65D2519/00119—Materials for the construction of the reinforcements
    • B65D2519/00129—Metal
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00263—Overall construction of the pallet
    • B65D2519/00273—Overall construction of the pallet made of more than 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
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00293—Overall construction of the load supporting surface made of more than 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
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00323—Overall construction of the base surface made of more than 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
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00333—Overall construction of the base surface shape of the contact surface of the base contact surface having a stringer-like shape
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00368—Overall construction of the non-integral separating spacer
    • B65D2519/00373—Overall construction of the non-integral separating spacer whereby at least one spacer is 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
    • 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
    • B65D2519/00258—Overall construction
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00432—Non-integral, e.g. inserts
    • B65D2519/00437—Non-integral, e.g. inserts on the load supporting surface
    • 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
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00572—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer with separate auxiliary element, e.g. screws, nails, bayonets

Definitions

  • the present invention relates to a liquid container of the Intermediate Bulk Container (IBC) type.
  • IBC Intermediate Bulk Container
  • IBCs Intermediate Bulk Containers
  • the tank is usually made of a plastic material, has an opening in its upper portion for receiving a liquid, and an opening in its lower portion for discharging the liquid via a discharge device, such as a tap.
  • the cage surrounds the tank along at least four sides to prevent lateral displacements when the container is moved and is typically composed of vertical and horizontal bars.
  • the pallet is a support element located below the cage and the tank and may be made, for example, of wood, plastic or metal.
  • the most common type of pallet comprises parallel runners, generally three runners, with cross members mounted thereto and supporting in turn support boards.
  • the pallet has two openings at each side, for receiving the forks of a lift truck. As the pallet and the lift truck are mutually coupled the container may be moved.
  • IBC liquid containers are used in logistics for efficiently and inexpensively carrying large amounts of liquids. When these containers reach their destination and before being transported, they are stored in appropriate warehouses. For more efficient use of the height of warehouses, the containers are vertically stacked, each container being placed on two parallel rails.
  • the containers are often disposed on the rails in side-by-side relationship, such that the rails are parallel to the short sides of the pallet, whereas the runners, parallel to the long sides of the pallet, extend from one rail to the other.
  • US5058747 discloses an IBC according to the preamble of appended claim 1 which consists in a plastic container surrounded by a metal cage, the whole being supported on a wooden pallet.
  • the weight of the tank acts on the long sides of the pallet which, as mentioned above, rest upon the rails at the ends of the long sides. Under the weight of the tank, the wooden pallets are likely to bend at their central portion, between the distant support points.
  • the aforementioned warehouses may be also equipped with robotized handling systems, whose operation may require pallet bending to fall within given limits to ensure the function of such automatic systems.
  • the object of the present invention is to provide a liquid container having a bending-resistant pallet, in which the weight of the tank is effectively discharged at the ends of the runner whereat the container may lean on the rails.
  • a further object is to maintain a low cost of the pallet, and hence of the whole container, by an efficient use of the construction materials.
  • liquid container as shown in the accompanying figures shall be deemed to be schematically illustrated, not necessarily drawn to scale, and not necessarily representing the actual proportions of its parts.
  • Figures 1 and 2 show a liquid container of the present invention, referenced 1.
  • the container In use, the container is designed to be moved, for instance, by a lift truck, and to rest upon two parallel tracks for easy storage thereof in appropriate warehouses.
  • the container comprises a pallet 2, a metal cage 3 and a tank 4.
  • Various types of bulk liquids may be stored in the tank 4, such as edible liquids, industrial liquids or flammable liquids.
  • the capacity of the tank 4 ranges from 500 to 1500 liters, and the most common types of tanks 4 have a capacity of 600 liters, 1040 liters or 1250 liters.
  • the tank is made of a plastic material, preferably high-density polyethylene. This material prevents contamination of the liquid and provides adequate chemical and structural resistance.
  • the tank 4 comprises an upper loading opening 41 and a lower discharge device 42.
  • the loading opening 41 is located in a top wall of the tank and may have various shapes, e.g. a circular shape.
  • the loading opening 41 is suitably sized to receive a liquid, directly or via appropriate equipment.
  • the loading opening 41 may be engaged by a cap to avoid accidental leakage of liquid.
  • the discharge device 42 is located in a lateral wall of the tank, in a lower portion thereof.
  • the discharge device 42 consists of a fluid flow regulating device, such as a tap, and is connected to a discharge opening in the tank.
  • the discharge device 42 may be open to allow the liquid to flow out of the liquid container, or closed to block it.
  • the tank 4 is accommodated within the cage 3.
  • the cage 3 comprises a plurality of walls 31 composed of metal bars.
  • the cage 3 comprises four side walls 31 to limit lateral movements of the tank 4, for example during handling of the liquid container 1.
  • the cage 3 may comprise a top wall and/or a bottom wall. In any case, the cage 3 must be compatible with the possibility of loading and discharging the liquid from the tank 4 through the loading opening 41 and the discharge device 42.
  • each wall 31 of the cage 3 comprises metal bars 32, which are parallel in a first direction, and metal bars 33, which are parallel in a second direction, perpendicular to the first direction.
  • the liquid container 1 preferably comprises plastic protective elements 5 accommodated within the cage 3 proximate to its lower vertices 34.
  • the protective elements 5 protect the cage 3, preferably at its weakest points, i.e. the vertices, from impacts of the tank 4.
  • the cage 3 is fixed over a pallet 2 by fastener members, not shown, with the tank 4 resting on the pallet 2.
  • the pallet 2 has two long sides 21 and two short sides 22.
  • the long sides 21 extend in a longitudinal direction X-X, are mutually parallel and spaced from each other in a transverse direction Y-Y, orthogonal to the longitudinal direction X-X.
  • the short sides 22 extend in the transverse direction Y-Y, and are mutually parallel and spaced from each other in the longitudinal direction X-X.
  • the long sides 21 are 1200 mm long
  • the short sides 22 are 1000 mm long.
  • the long sides 21 are 1200 mm long and the short sides are 800 mm long.
  • the pallet 2 comprises a plurality of runners 23a, 23b, cross members 24a, 24b, 24c, and support boards 25.
  • the runners 23a, 23b are made of wood and extend in the longitudinal direction X-X, and are mutually parallel and spaced from each other in the transverse direction Y-Y.
  • two lateral runners 23a are located adjacent to the long sides 21 of the pallet 2 along the entire longitudinal extent of the long sides 21, and at least one central runner 23b is interposed between the two lateral runners 23a.
  • three runners 23a, 23b are provided.
  • the runner 23a will be now described, as a reference for the characteristics of each runner 23a, 23b.
  • Each runner 23a extends between a front end 231 and a rear end 232, which are spaced from each other in the longitudinal direction X-X.
  • the front end 231 is the end that it closer to the discharge device 42 of the tank 4.
  • the terms front and rear shall be related to the longitudinal direction X-X and to the orientation defined for the front 231 and rear 232 ends of the runners 23a, 23b.
  • each runner 23a comprises a base board 233 having a rectangular plan shape and a plurality of blocks 234a, 234b, 234c, preferably in the number of three, fixed over the base board 233.
  • the blocks 234a, 234b, 234c for each base board 233 are arranged as a front block 234a, adjacent to the front end of the runner 23a, a rear block 234b adjacent to the rear end of the runner 23a and at least one intermediate block 234c, preferably only one.
  • Each block 234a, 234b, 234c extends between a front end and a rear end, which are spaced from each other in the longitudinal direction X-X.
  • each base board 233 has a longitudinal extent of 1200 mm, a transverse extent of 145 mm and a thickness of 22 mm.
  • Each block 234a, 234b, 234c has a transverse extent that is equal to the transverse extent of the respective base board 233 and a thickness of 78 mm.
  • the rear blocks 234b and the intermediate blocks 234c have a square base, whereas each front block 234a has a rectangular base and a longitudinal extent that is lower than its transverse extent, e.g. 230 mm.
  • the pallet 2 comprises a plurality of wooden cross members 24a, 24b, 24c.
  • the cross members 24a, 24b, 24c are placed over the runners 23a, 23b, extend in the transverse direction Y-Y and are mutually parallel and spaced from each other in the longitudinal direction X-X and are fixed over the runners 23a, 23b.
  • the cross members 24a, 24b, 24c are raised relative to the base boards 233.
  • the cross members 24a, 24b, 24c are raised relative to such surface or such rails.
  • the pallet 2 comprises at least one forking way.
  • each forking way is interposed between two successive runners 23a, 23b and is located below the cross members 24a, 24b, 24c.
  • Each forking way is an opening that is adapted to receive a lifting element, such as a fork of a lift truck.
  • the liquid container 1 may be lifted and handled by application of an adequate force by the forks from bottom to top.
  • Each cross member 24a, 24b, 24c comprises a plurality of fixing portions. Each fixing portion of a cross member 24a, 24b, 24c is located over a different runner 23a, 23b and each cross member 24a, 24b, 24c is fixed to each runner 23a, 23b at one fixing portion.
  • cross members 24a, 24b, 24c are provided, having a rectangular plan shape.
  • Each cross member 24a, 24b, 24c is fixed over three blocks 234a, 234b, 234c, each of the latter being associated with a different runner 23a, 23b, defining a front cross member 24a, fixed to the front blocks 234a, a rear cross member 24b fixed to the rear blocks 234b, and an intermediate cross member 24c fixed to intermediate blocks 234c.
  • Each cross member 24a, 234b, 234c extends between a front edge and a rear edge, which are spaced from each other in the longitudinal direction X-X.
  • the rear cross member 24b is adjacent to a short side 22 of the pallet along the entire transverse extent of the short side 22. All the cross members 24a, 24b, 24c have the same transverse extent.
  • the rear cross member 24b and the intermediate cross member 24c have a longitudinal extent that is equal to the longitudinal extent of each block 234b, 234c upon which they are fixed.
  • the front cross member 24a is adjacent to the rear ends of the front blocks 234a, and has a longitudinal extent that is smaller than the longitudinal extent of the front blocks 234a, e.g. 95 mm.
  • the front cross member 24a is longitudinally spaced from the front ends of the front blocks 234a, and no portion of the cross members 24a, 24b, 24c is located below the discharge device 42.
  • the cross members 24a, 24b, 24c have a thickness of 25 mm.
  • the pallet 2 comprises a plurality of wooden support boards 25 located over the cross members 24a, 24b, 24c.
  • the support boards 25 extend in the longitudinal direction X-X, are mutually parallel, are spaced from each other in the transverse direction Y-Y and are fixed over the cross members 24a, 24b, 24c.
  • the support boards 25 are offset from the runners 23a, 23b.
  • the support boards 25 have a rectangular plan shape and comprise a bottom surface 251 and a top surface 252.
  • Each top 252 and bottom 251 surface of a support board 25 is coplanar with the top 252 and bottom 251 surfaces of the other support boards 25 respectively.
  • the support boards 25 are fixed to the cross members 24a, 24b, 24c at their bottom surfaces 251.
  • the support boards 25 have a thickness of 22 mm.
  • the liquid container 1 comprises a plurality of sheet metal reinforcement members 6a, 6b.
  • Each reinforcement member 6a, 6b extends in the longitudinal direction X-X and is placed above a respective runner 23a, 23b.
  • the longitudinal direction X-X is the direction in which the long sides 21 of the pallet 2 extend, i.e. the direction in which bending is more likely to occur.
  • Each reinforcement member is also placed above the fixing portions of the cross members 24a, 24b, 24c that are fixed to their respective runner 23a, 23b and is fixed to these fixing portions of the cross members 24a, 24b, 24c.
  • each reinforcement member 6a, 6b has a transverse extent that is lower than or equal to the transverse extent of its respective runner 23a, 23b and a longitudinal extent that is lower than or equal to the longitudinal extent of its respective runner 23a, 23b.
  • Each reinforcement member 6a, 6b has a rectangular projection on the plane formed by the longitudinal direction X-X and the transverse direction Y-Y.
  • each of two lateral reinforcement members 6a, corresponding to the lateral runners 23a has the same longitudinal extent as its respective lateral runner 23a, whereas a central reinforcement member 6b corresponding to the central runner 23b has a longitudinal extent that is lower than the longitudinal extent of its respective central runner 23b.
  • the reinforcement member 6b corresponding to the central runner 23b extends in the longitudinal direction, for example, from the rear edge of the rear cross member 24b to the front edge of the front cross member 24a, and preferably has a longitudinal extent of 1065 mm.
  • no portion of the cross members 24a, 24b, 24c and no portion of the reinforcement elements 6a, 6b are located below the discharge device 42, and a space is provided for collection of the liquid that flows out of the tank 4, when the discharge device 42 is open.
  • the reinforcement members 6a, 6b can increase the deflection resistance of the runners 23a, 23b by reducing bending at the runners.
  • the reinforcement members 6a, 6b do not project out of their respective runners 23a, 23b in either the longitudinal X-X or transverse Y-Y direction. Therefore, only the material required to obtain the desired rigidity is used, and the liquid container 1 may be maintained at a low cost.
  • each reinforcement member 6a, 6b is made of a metal sheet with a thickness ranging from 1 mm to 5 mm.
  • Each reinforcement member 6a comprises a plurality of lower portions 61, upper portions 62, and connecting portions 63 between the upper portions 62 and the lower portions 61 perpendicular to the upper portions 62 and the lower portions 61.
  • the upper 62, lower 61 and connecting 63 portions extend in the longitudinal direction X-X along the entire longitudinal length of the reinforcement member 6a, 6b.
  • these portions 61, 62, 63 have a rectangular plan shape.
  • Each lower portion 61 contacts the cross members 24a, 24b, 24c, particularly the fixing portions of the cross members 24a, 24b, 24c, as particularly shown in Figure 4 .
  • Each upper portion 62 is spaced from the lower portions 61 and does not directly contact the cross members 24a, 24b, 24c.
  • the upper portions 62 of the reinforcement members 6a define flat support surfaces coplanar with the top surfaces 252 of the support boards 25, and the lower portions 61 of the reinforcement members 6a define flat support surfaces, coplanar with the bottom surfaces 251 of the support boards 25.
  • the tank 4 rests upon the support boards 25 and the reinforcement members 6a, 6b, particularly upon the top surfaces 252 of the support boards 25 and the top surfaces 62 of the reinforcement members 6a, 6b.
  • the tank 4 may directly rest thereupon, or with the interposition of other elements.
  • the tank 4 may rest on the reinforcement members 6a, 6b with the interposition of the protective elements 5.
  • the cage 3 is fixed at least to the reinforcement members. More preferably, the cage 3 is also fixed to the support boards 25.
  • each connecting portion 63 is adjacent to an upper portion 62 and a lower portion 61.
  • Each connecting portion 63 contacts the adjacent upper 62 and lower 61 portions at a fold line 64 of the reinforcement member 6a.
  • Each fold line 64 is straight and extends in a longitudinal direction X-X along the entire longitudinal length of the reinforcement member 6a.
  • the particular geometry of the reinforcement members 6a, 6b provides an increased bending resistance to the runners 23a, 23b, when the container 1 rests on two rails.
  • Each reinforcement member 6a extends between two opposite edges 65 which are spaced from each other in the transverse direction Y-Y.
  • the reinforcement member 6a has a serially repeated sequence, the sequence being composed, in this order, of a lower portion 61, a connecting portion 63, an upper portion 62 and a further connecting portion 63.
  • each reinforcement member 6a is respectively composed either of four lower portions 61, three upper portions 62 and six connecting portions 63, or five lower portions 61, four upper portions 62 and eight connecting portions 63.
  • the presence of a great number of lower 61, upper 62, connecting 63 portions of the reinforcement members 6a, 6b further increases the rigidity of the reinforcement members 6a, 6b.
  • a given rigidity may be obtained with reinforcement elements 6a, 6b formed with thinner sheet metal.
  • the thickness of the sheet metal is set to 1.5 mm, whereas in the embodiment with four upper portions 62 a thickness of 1.2 mm is selected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
EP17161569.3A 2016-03-24 2017-03-17 Liquid container Active EP3222545B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA2016A001996A ITUA20161996A1 (it) 2016-03-24 2016-03-24 Contenitore per liquidi.

Publications (2)

Publication Number Publication Date
EP3222545A1 EP3222545A1 (en) 2017-09-27
EP3222545B1 true EP3222545B1 (en) 2018-11-28

Family

ID=56235889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17161569.3A Active EP3222545B1 (en) 2016-03-24 2017-03-17 Liquid container

Country Status (3)

Country Link
EP (1) EP3222545B1 (it)
ES (1) ES2711771T3 (it)
IT (1) ITUA20161996A1 (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001124A1 (de) * 1990-01-17 1991-07-18 Sotralentz Sa Transport- und/oder lagerbehaelter mit einem aussenbehaelter und einem innenbehaelter aus kunststoff
US5960721A (en) * 1998-05-20 1999-10-05 Teh Marathon Pallet Trust Composite wood and polymer forklift pallet assembly and method
JP3594926B2 (ja) * 2001-11-28 2004-12-02 山橋工業株式会社 運搬用パレット
US8627773B2 (en) * 2011-12-17 2014-01-14 Chep Technology Pty Limited T1 lead-board for a shipping platform

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ITUA20161996A1 (it) 2017-09-24
ES2711771T3 (es) 2019-05-07
EP3222545A1 (en) 2017-09-27

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