EP2722285B1 - Palette en plastique avec élément raidisseur - Google Patents

Palette en plastique avec élément raidisseur Download PDF

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Publication number
EP2722285B1
EP2722285B1 EP12188830.9A EP12188830A EP2722285B1 EP 2722285 B1 EP2722285 B1 EP 2722285B1 EP 12188830 A EP12188830 A EP 12188830A EP 2722285 B1 EP2722285 B1 EP 2722285B1
Authority
EP
European Patent Office
Prior art keywords
plastic pallet
stabilizing
pallet
reinforcing element
stiffening element
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
EP12188830.9A
Other languages
German (de)
English (en)
Other versions
EP2722285B8 (fr
EP2722285A1 (fr
Inventor
Richard Metzler
Stefan Mueller
Gat. Ramon
Stephanie. Wedeward
Sebastian. Stegeman
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.)
CABKA & Co KG GmbH
Lidl Stiftung and Co KG
Original Assignee
Cabka & Co KG GmbH
Lidl Stiftung and Co KG
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
Priority to EP12188830.9A priority Critical patent/EP2722285B8/fr
Priority to PL12188830.9T priority patent/PL2722285T3/pl
Priority to RS20160395A priority patent/RS54872B1/sr
Priority to HUE12188830A priority patent/HUE029714T2/en
Application filed by Cabka & Co KG GmbH, Lidl Stiftung and Co KG filed Critical Cabka & Co KG GmbH
Priority to SI201230640A priority patent/SI2722285T1/sl
Priority to ES12188830.9T priority patent/ES2575698T3/es
Priority to DK12188830.9T priority patent/DK2722285T3/en
Publication of EP2722285A1 publication Critical patent/EP2722285A1/fr
Publication of EP2722285B1 publication Critical patent/EP2722285B1/fr
Application granted granted Critical
Publication of EP2722285B8 publication Critical patent/EP2722285B8/fr
Priority to CY20161100614T priority patent/CY1117716T1/el
Priority to HRP20160792TT priority patent/HRP20160792T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
    • B65D19/001—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element
    • B65D19/0014—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B65D19/0016—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single 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
    • 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
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
    • B65D19/002—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element
    • B65D19/0024—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0026—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface 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
    • B65D2519/00034—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D2519/00069—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
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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
    • 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
    • B65D2519/00009—Materials
    • B65D2519/00119—Materials for the construction of the reinforcements
    • B65D2519/00139—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D2519/00268—Overall construction of the pallet 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
    • B65D2519/00263—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
    • B65D2519/00288—Overall construction of the load supporting surface 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
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00318—Overall construction of the base surface 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
    • B65D2519/00313—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
    • B65D2519/00442—Non-integral, e.g. inserts on the base 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
    • B65D2519/00258—Overall construction
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00432—Non-integral, e.g. inserts
    • B65D2519/00447—Non-integral, e.g. inserts on the non-integral separating spacer
    • 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
    • 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
    • B65D2519/00741—Dimensional aspects of the pallet
    • B65D2519/00771—Dimensional aspects of the pallet smaller than "standard"

Definitions

  • the invention relates to a plastic pallet.
  • a plastic pallet comprises a deck for storing objects to be transported, in particular goods. It also comprises feet, which are formed projecting from an underside of the deck and runners, which are each formed at least two feet on the undersides connecting to each other.
  • Plastic pallets are mainly used for the transport of goods within a company or between different factories and for the display of goods in sales rooms.
  • They can be injection molded from polymers, regenerated plastics, or mixtures thereof, with the possibility of using additives such as reinforcing fibers.
  • the deck can have a continuous, essentially closed loading area, but the loading area can also be formed by a grid or ribbed structure. The latter is particularly advantageous during transport or storage of goods to be cooled, since the cargo can then be cooled from below.
  • feet are formed projecting down. They are mainly used to facilitate transport with vehicles, such as forklifts, the fork can then retract into the spaces between the feet. At the same time, the feet must also be able to carry the weight of the pallet with the goods stored thereon, without causing material fatigue phenomena.
  • a common configuration involves nine feet at the bottom of the deck. Four feet each are placed in the corners, another four feet each in the middle of the edges. The ninth foot is usually arranged below the geometric center of gravity of the deck or the loading area. Depending on the size of the pallet, more or fewer feet may be used.
  • feet may already be sufficient if they are dimensioned correspondingly large.
  • the feet can be integrally formed on the underside of the deck and made together in an injection molding process, but they can also be made separately and then bolted to the deck, for example.
  • the material for the feet can be determined separately, for example, a material with a higher impact resistance can be selected than it has the material used for the deck.
  • plastic pallets include runners, which are each formed connecting the undersides of at least two feet together.
  • runners which are each formed connecting the undersides of at least two feet together.
  • three skids can be used, each skid connecting three feet.
  • the skids are arranged in this case parallel to each other, their longitudinal direction is usually parallel to the narrower edge of the pallet, but this is not mandatory.
  • circumferential runners or runners which connect the feet together along the longer edge of the pallet, so that, for example, six runners are used on the undersides of the feet.
  • the runners can be made in one piece with the pallet as well as the feet, but they can also be made separately and then bolted to, for example, the feet of the pallet, or glued or clipped to the feet.
  • the pallets are aligned when parked on roller conveyors so that the skids are oriented along the transport direction, chain conveyors, however, the runners are usually aligned transversely to the transport direction, the pallet with the goods stored in In this case with the runners on the chains.
  • the replacement of a whole range is usually more expensive than replacing only part of it.
  • it is proposed in the prior art for example, to manufacture the runners separately from a harder material.
  • a palette will be in the DE 10 2009 008 277 A1 described.
  • the runners are here releasably connected to the pallet body and can be solved without much effort from the pallet body as soon as a vertical force acts on the runners by pressure on the pallet from above.
  • the skids can therefore be replaced in a relatively simple manner, they are also made of a rigid material than the pallet body, such as polypropylene with glass fiber shares.
  • the production of a pallet with separate skids is more complex, since several forms must be kept, so that the production is associated with higher costs.
  • different material mixtures must be maintained.
  • Another way to increase the stability of the runners is to provide metal reinforcements in the runners. This is the case, for example, with Applicant's CPP 726-M model, where the metal reinforcements are used to increase the payload.
  • the pallet is made of several parts, the metal reinforcements are bolted to the skids and not visible from the outside.
  • the change of metal reinforcement is very complex in this range, as is recycling, for which the metal reinforcement of the remaining pallet must be separated.
  • the metal reinforcement increases the stiffness of the blade, it does not prevent the above-described wear during transport on roller or chain conveyors.
  • a pallet with high dimensional stability and carrying capacity is described.
  • the pallet is made of plastic and has individual feet on the underside. Fastened to these feet in correspondingly arranged grooves foot rails made of sheet steel, which connect in series feet.
  • the foot rails have a U-shaped profile in cross section, on which spring elements are formed for frictional connection with the pallet in the grooves. They close flush with the underside of the feet when inserted.
  • the object of the invention is therefore to further develop a plastic pallet of the type described above in such a way that the deflection of the runners and their wear is reduced.
  • a plastic pallet of the type described above in that at least one of the runners at least one running in the longitudinal direction of the runner, groove-shaped recess is formed on the underside, wherein in the at least one recess, a stiffening element of a material having a higher modulus than that of the material from which the runners are formed.
  • the stiffening element is fixed in the recess via fixing means.
  • the stiffening element may for example be shaped rod-shaped with a round or polygonal cross-section, which fills at least part of the groove in the longitudinal direction of the blade. For reasons of symmetry and stability, however, it is advantageous to completely fill the groove in a region which is preferably located between the outer edges of two opposite corner feet of the pallet, ie along the entire runner.
  • the groove may be continuous and open at the ends, but it may also be completed in the longitudinal direction, so that the stiffening element is held in the longitudinal direction of the groove in a form-fitting manner in the runner. If the runner extends over an area of more than two feet, for example over three feet, in principle a plurality of reinforcing elements can also be arranged behind one another in the same or in different grooves, each reinforcing element covering an area between two feet.
  • stiffening elements When using a material with a correspondingly high modulus of elasticity of the material used can be reduced, in this case, for example, flatter, band-shaped stiffening elements are used.
  • the arrangement of several stiffening elements in mutually parallel grooves on a runner is a possible variant, as is the formation of a groove occupying the entire width of the runner.
  • stiffening elements are preferably formed in each of the runners, with several runners perpendicular to each other, there are at least those runners that are parallel in one direction, but if necessary, all runners can be provided with stiffening elements, so that the orientation of the pallet on roller or chain conveyors in this case no longer plays a role.
  • the fixing means for fixing the stiffening element in the recess may for example comprise screws with which the stiffening element is screwed into the groove, so that it can not fall down.
  • the fixing means additionally or alternatively therefore comprise at least one lug which partially covers the at least one recess and fixes the reinforcing element in a form-fitting manner in the recess.
  • a nose may be formed for example in the form of a circular arc at the edge of the recess, parallel to the base or standing surface of the blade, it protrudes partially over the recess and prevents falling out of the stiffening element.
  • the lugs can be provided with a certain elasticity, which makes it possible to remove the stiffening element, for example by hand with the help of a screwdriver by overcoming the force exerted by the nasal force due to the leverage of attaching to the edge of the groove screwdriver. Compared to a screw this allows a faster change of such a stiffening element, should this be necessary, also the mechanical stresses in the case of a deflection are lower than in the screw.
  • the deflection already with the rod or band-shaped stiffening element - the thickness of the band in a band-shaped design is usually several millimeters - already reduce or almost completely prevent with correspondingly thick stiffening elements.
  • the stiffening elements are, for example, metal ones, the mass of the overall pallet may be increased to a significant extent if the stiffening elements are too thick.
  • too thin stiffening elements may not sufficiently prevent sagging and thus faster wear.
  • At least one stabilizing element projecting from the reinforcing element is arranged on the stiffening element. which is formed by an opening on one of the feet, is formed engaging.
  • the occurring during transport on roller or chain conveyors, leading to the deflection forces are directed in this way in the at least one stabilizing element, which in turn transmits to the foot, since the trained in the foot recording in turn of walls or serving as walls accordingly
  • Grid or rib structures is at least partially limited, which is a deflection of the stabilizing element from its rest position, ie from the position occupied by the stabilizing element in unloaded, not bent stiffening limited. An over the stabilization element in the recording available game beyond deflection is prevented by the walls of the recording.
  • the stabilizing element is formed projecting at a predetermined angle of the stiffening element and connected to the stiffening element angle stable.
  • the latter means that the connection between the stiffening element and stabilizing element is designed to be stable, that it counteracts a change in the angle between stabilizing element and stiffening element when the stabilizing element engages the receptacle on the foot and the stiffening element during transport, for example on a chain conveyor through on the pallet lying product is so heavily loaded that it bends. In this way, the deflection at the ends of the stiffening element can be reduced even more.
  • This angular stability is determined on the one hand by the selection of appropriate materials and dependent on the thickness of the stiffening element and the dimensions of the compound.
  • the stabilizing element can be welded to the stiffening element, screwed to it, it can also be integrally formed on this. It is also conceivable a releasable connection between the stabilizing element and the stiffening element, for example, by pins are formed on the stabilizing element, with which it is used in blind holes, which are formed on the stiffening element.
  • the connection can be made accurately, with little clearance, but also with oversize fit.
  • the blind holes may for example be formed at the ends of the stiffening element, so that the pins engage along the longitudinal direction of the stiffening element in this.
  • Such a detachable connection has the advantage that when the stiffening element is worn, it can be replaced without the stabilizing elements also having to be replaced.
  • the deflection is already reduced when such a stabilizing element is attached only at one end of the stiffening element, but preferably such a stabilizing element is arranged at each of the two ends of the stiffening element, since the deflection is then symmetrical, the load of the pallet or runners And so that their wear is uniform.
  • the stabilizing elements need not necessarily sit at the end of the stiffening element, but here the leverage over the length of the stiffening element is greatest. Additionally or alternatively, it is possible to provide more than one stabilizing element at each end, for example two stabilizing elements per foot.
  • the stabilizing elements can also be dimensioned so that they connect these stiffening elements.
  • the at least one stabilizing element is plate-shaped, wherein the broad sides of the plate are oriented transversely to the longitudinal direction of the runners.
  • the receptacle can be designed so that, in the state without deflection or with a slight deflection, the broad side of a plate-shaped stabilizing element bears almost completely against a wall surface.
  • the design of the at least one stabilizing element as a plate-shaped body is not mandatory, and other structures are suitable for use as a stabilizing element.
  • the stiffening element with the stabilizing element may be integrally formed thereon from a material strand of corresponding thickness in the manner of a clamp, i. At each end of the stiffening element, the stabilizing elements are formed simply by bending the ends.
  • the foamed material for example Polyuhrethan, can be selected in its Shore hardness in a wide range so that it is capable of - in a bending of the stiffening element basically expected, but limited by the walls of the recording - movement of the Stabilizing element out of its rest position, in the area where the stabilizing element has a certain amount of play to dampen.
  • the area of the groove-shaped recess may be completely or partially foamed with a plastic, which may for example be composed so that it enters into a permanent connection with the material of the skids and feet.
  • a bed for the stiffening element can be produced with the stabilizing elements, which not only can serve to dampen a relative movement of the stiffening element with the stabilizing elements against the skids or the feet, but by this damping also the mechanical loads of the feet or To reduce runners by the relative movement and finally to reduce noise emissions when using the pallet.
  • the interiors of the feet can be foamed.
  • the receptacle for the at least one stabilizing element is designed as an opening accessible from the deck.
  • the fixing means preferably comprise a detachable from the deck connection between the at least one stabilizing element and the receptacle.
  • This connection can be configured, for example, as a latching connection which comprises at least one projection formed on the receptacle, to which at least one latching hook formed on the stabilization element engages, so that the stabilization element is fixed in a form-fitting manner in the receptacle.
  • two catch hooks can be used.
  • the latching hooks are suitably flexibly connected to the stabilizing element, so that they can be pushed away from the projections without special aids, whereby the connection is released.
  • a latching connection other, releasable connections can be used, for example, screw or plug connections.
  • readily solvable compounds such as bonding are conceivable alternatives, if the intended use should require a particularly strong connection.
  • stiffening element and its combination with one or more stabilizing elements is particularly suitable for plastic pallets in which deck, feet and / or skids are integrally formed, since in such pallets for two or all components, the same material is used, but for the individual components usually represents only a compromise.
  • the stiffening element with respect to the footprint of the blade, in whose recess it is used, a projection on.
  • the stiffening element can be controlled in this way, whether either the stiffening element on the runner or the rollers or chains of the corresponding conveyor are exposed to higher wear.
  • the stiffening element is preferably made of aluminum, which in combination with steel also has a favorable for the use of roller conveyors friction behavior. In this case, a supernatant of a few tenths of a millimeter is already sufficient to substantially reduce the wear, so that the additional expenditure of material is kept within limits.
  • FIG. 1 First, the construction of a typical plastic pallet 1 is shown from the bottom.
  • the plastic pallet 1 is made here in one piece, but can also be composed of several parts.
  • the plastic pallet 1 comprises a deck 2, which in FIG. 1 is arranged on the side facing away from the viewer of the pallet. At the bottom 3 of the deck 2 are from the deck 2 downwardly projecting feet 4 and 5 are formed.
  • the plastic pallet 1 shown here which is, for example, a half pallet with the dimensions 800 mm x 600 mm or even a larger range with dimensions such. B. 1200 mm x 800 mm, has a total of nine feet 4, 5.
  • the feet 4 on the longer sides of the pallet are designed to be narrower than the feet 5, which lie between them; However, this configuration of the feet is not mandatory, as well as all feet can be configured similar.
  • the plastic pallet 1 also has three runners 6, the three feet 4, 5 connect each other and are arranged parallel to each other and to the narrower edges of the plastic pallet 1. This is also to be understood as an example only, the plastic pallet 1 may alternatively or additionally also skids along the longer narrow side of the pallet, perpendicular to the runners 6 shown here have.
  • a recess 7 is provided, which is arranged centrally with respect to the transverse axis of each of the runners.
  • it can also form a plurality of groove-shaped recesses on a runner 6, for example, two at the edges of the runner or three, then at the edges and in the middle.
  • a stiffening element is used in the at least one recess 7.
  • a stiffening element is formed from a material having a higher modulus of elasticity than the material from which the blade 6 is formed.
  • the stiffening element is fixed in the recess via fixing means.
  • Such a stiffening element 8 is for example in FIG. 2 shown, it is a rod-shaped element, for example, made of a plastic, or of a metal such as aluminum.
  • the stiffening element 8 can be fixed for example by screws in the runners 6, wherein such compounds under load, which can lead to a deflection - albeit much less than without stiffening element 8 - can be mechanically stressed so much that these compounds under be destroyed in unfavorable circumstances.
  • other purely positive connections as can be achieved, for example, when at the outside of the groove-shaped recess 7 at certain intervals opposite to each other noses formed from the plastic material of the pallet, which prevent upright plastic pallet 1 that the stiffening elements 8 after fall down.
  • the stiffening element is not fixed directly in the recess via such fixing means, but instead a stabilizing element 9 is arranged at each end of the stiffening element 8, relative to its longitudinal direction.
  • Each of the stabilizing elements 9 is formed engaging in a corresponding receptacle 10 on one of the feet 4.
  • the stabilizing elements 9 are of the stiffening element 8 at a predetermined angle - here at right angles - from. They are plate-shaped, their broad sides are aligned transversely to the longitudinal direction of the runners 6 and the stiffening element 8.
  • the stabilizing elements 9 with respect to the stiffening element 8 angle stable:
  • the receptacles 10, which are formed as openings or depressions are limited by walls which a deflection of the stabilizing element 9 from its rest position, which can be caused for example by a load on the plastic pallet 1 with goods on a chain conveyor, counteract and limit this. Due to the angular stability, the angle between stiffening element 8 and stabilizing element 9 does not change or only insignificantly changes when subjected to stress due to deflection, even if the deflection of the stabilizing element 9 is limited by the walls of the receptacle 10.
  • the fixing means which serve to fix the stiffening element in the recess 7 are not attached or formed on the recess 7 or the stiffening element 8, but comprise a connection between the stabilizing elements 9 and the receptacle 10.
  • This connection is advantageous detachably configured, so that the stiffening element 8 with the stabilizing elements 9 attached thereto can be replaced if necessary, for example when worn.
  • the fixing means comprise a latching connection, for which flexible locking hooks 11 are formed on the stabilizing elements 9. These engage in the receptacle 10 formed projections 12 - shown for example in Fig. 3 -, So that the stabilizing elements 9 are positively fixed in the receptacle 10.
  • the receptacle 10 is in the in Fig. 3 shown embodiment designed as accessible from the deck 2 opening so that the connection can be solved without further aids.
  • the recess 7 and the receptacles 10 may be partially foamed with a plastic, for example, with a polyurethane foam having a lower Shore hardness than that used for the plastic pallet 1 material.
  • the connection between the stabilizing elements 9 and the stiffening element 8 is stable in angle, ie that under a load of the stiffening element 8, which leads to a deflection, held in the receptacles 10 stabilizing elements 9 counteract such a deflection, since the angle at which the stabilizing elements 9 protrude from the stiffening element 8, is held almost constant.
  • connection between stabilizing element 9 and stiffening element 8 can be designed, for example, as a welded or screwed connection, the stabilizing elements 9 can also be integrally formed on the stiffening element 8.
  • a particularly preferred embodiment which requires particularly stable and compared to a one-piece production with less material, is to provide in the stiffening elements 8 in the longitudinal direction at the ends of each blind holes, are plugged into the corresponding formed on the stabilizing elements 9 pin. This also allows the replacement of the stiffening element 8 regardless of the state of wear of the stabilizing elements. 9
  • FIG. 4 is exemplified the deflection of the stiffening element 8, wherein in FIG. 4a the deflection of a stiffening element 8 without stabilizing elements 9 and in FIG. 4b the deflection at the same load for a stiffening element 8 with stabilizing elements 9 is shown.
  • the arrow symbolizes the load caused by the load.
  • the pallet is stored on a chain conveyor whose chains are symbolized by the triangles.
  • the groove-shaped recess 7 and inserted into the recess 7 stiffening element 8 are dimensioned so that the stiffening element 8 relative to a base - also referred to as a standing surface - the runner 6, on which the blade normally rests and in the recess. 7 it is inserted, has a supernatant.
  • This supernatant is preferably a few tenths of a millimeter, but can also be in the millimeter range.
  • the wear of the runners 6 made of plastic on roller and chain conveyors, in particular in those situations in which the rollers or chains rotate, but the further transport of the plastic pallet 1 is impeded, is essential be reduced because initially only the stiffening element 8 is exposed to increased wear by the supernatant. Only when this supernatant has been removed for example by a continuous movement of the chain of a chain conveyor, the runner 6 of the plastic pallet 1 is attacked. The life of such a plastic pallet 1, in which the skids 6 are made in one piece on the pallet, can be substantially increased in this way.
  • stiffening elements 8 of a different material which is comparable in hardness comparable to that of the chain or the rollers of the corresponding conveyors, although the wear of the stiffening element 8 is reduced, but increases the wear of the delivery components, which in the Usually not beneficial.
  • the plastic pallet 1 are further used by the stiffening element 8 and possibly also the stabilizing elements 9 are replaced.
  • the replacement can be done user-friendly by hand without much effort in the here presented latching mechanism, which represents only one of different possibilities for fixing by the latch hooks 11 towards each other and then the stabilizing elements 9 are pushed down out of the range.
  • the life of the pallet is increased by the fact that the stiffening element 8 can be changed without any special effort at low additional costs.
  • stiffening elements 8 and possibly stabilizing elements 9 in the plastic pallet 1 described above not only the mechanical load on the skids 6 and thus the pallet in the form of deflection during transport on conveyors can be reduced, but also the life of such a plastic pallet 1 be substantially extended.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (10)

  1. Palette en matière plastique (1) comprenant
    - une plate-forme (2) pour le stockage d'objets à transporter,
    - des pieds (4, 5) qui sont conçus de façon à dépasser du côté inférieur (3) de la plate-forme (2),
    - des patins (6) qui sont conçus de façon à relier chacun au moins deux pieds (4, 5) entre eux au niveau leurs côté inférieurs, caractérisée en ce que
    - au niveau du côté inférieur d'au moins un des patins (6) est réalisée au moins un évidement (7) en forme de rainure s'étendant dans la direction longitudinale du patin (6),
    - dans cet au moins un évidement (7) est inséré un élément de rigidification (8) constitué d'un matériau avec un module d'élasticité plus élevé que celui du matériau dont les patins (6) sont constitués,
    - l'élément de rigidification (8) étant fixé dans l'évidement (7) par l'intermédiaire de moyens de fixation,
    - au moins un élément de stabilisation (9) étant disposé sur l'élément de rigidification (8), avec un angle prédéterminé, et est relié avec celui-ci de façon à ce que l'angle soit stable, et
    - l'au moins un élément de stabilisation (9) est conçu de façon à s'emboîter dans un logement (10) correspondant au niveau d'un des pieds (4).
  2. Palette en matière plastique (1) selon la revendication 1, caractérisée en ce que les moyens de fixation comprennent un embout qui recouvre au moins un évidement (7) partiellement et fixe l'élément de rigidification (8) par complémentarité de forme dans l'évidement (7).
  3. Palette en matière plastique (1) selon la revendication 1 ou 2, caractérisée en ce que
    - l'élément de rigidification (8) est conçu cous la forme d'une tige ou d'une bande, et
    - un élément de stabilisation (9) est disposé aux extrémités de l'élément de rigidification (8).
  4. Palette en matière plastique (1) selon l'une des revendications 1 à 3, caractérisée en ce que
    - le logement (10) est conçu comme une ouverture accessible de la plate-forme (2), et
    - les moyens de fixation (10) comprennent une liaison, pouvant être détachée à partir de la plate-forme, entre l'au moins un élément de stabilisation (9) et le logement (10).
  5. Palette en matière plastique (1) selon la revendication 4, caractérisée en ce que la liaison est conçus comme une liaison par encliquetage et comprend au moins une saillie (12) réalisée au niveau du logement (10), sur laquelle au moins un crochet d'encliquetage (11), formé au niveau de l'au moins un élément de stabilisation (9), s'emboîte, de façon à ce que l'au moins un élément de stabilisation (9) soit fixé par complémentarité de forme dans le logement (10).
  6. Palette en matière plastique (1) selon l'une des revendications 1 à 5, caractérisée en ce que l'au moins un élément de stabilisation (9) présente la forme d'une plaque, avec les côtés larges transversaux par rapport à la direction longitudinale des patins (6).
  7. Palette en matière plastique (1) selon l'une des revendications 1 à 6, caractérisée en ce que l'au moins un élément de stabilisation (9) est relié avec l'élément de rigidification (8) par l'intermédiaire d'une liaison soudée, collée ou vissée, en ce que l'au moins un élément de stabilisation (9) et l'élément de rigidification (8) sont formés d'une seule pièce ou en ce que l'au moins un élément de stabilisation (9) est relié avec l'élément de rigidification (8) par l'intermédiaire d'une liaison enfichable amovible.
  8. Palette en matière plastique (1) selon l'une des revendications 1 à 7, caractérisée en ce qu'un espace intermédiaire existant entre l'élément de rigidification (8) et le patin (6) et/ou entre l'au moins un élément de stabilisation (9) et une paroi limitant le logement (10), est rempli d'une mousse de matière plastique.
  9. Palette en matière plastique (1) selon l'une des revendications 1 à 8, caractérisée en ce que l'élément de rigidification (8) inséré dans l'évidement (7) présente un porte-à-faux par rapport à la surface de base du patin (6), dans l'évidement (7) duquel il est inséré.
  10. Palette en matière plastique (1) selon l'une des revendications 1 à 9, caractérisée en ce que l'élément de rigidification (8) est constitué d'aluminium.
EP12188830.9A 2012-10-17 2012-10-17 Palette en plastique avec élément raidisseur Active EP2722285B8 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
RS20160395A RS54872B1 (sr) 2012-10-17 2012-10-17 Plastična paleta sa elementom za ojačanje
HUE12188830A HUE029714T2 (en) 2012-10-17 2012-10-17 Plastic pallet with reinforcement
ES12188830.9T ES2575698T3 (es) 2012-10-17 2012-10-17 Palé de plástico con elemento de refuerzo
SI201230640A SI2722285T1 (sl) 2012-10-17 2012-10-17 Paleta iz umetne snovi z ojačitvenim elementom
PL12188830.9T PL2722285T3 (pl) 2012-10-17 2012-10-17 Paleta z tworzywa sztucznego z elementem usztywniającym
DK12188830.9T DK2722285T3 (en) 2012-10-17 2012-10-17 Plastic Pallet with stiffening element
EP12188830.9A EP2722285B8 (fr) 2012-10-17 2012-10-17 Palette en plastique avec élément raidisseur
CY20161100614T CY1117716T1 (el) 2012-10-17 2016-07-04 Πλαστικη παλετα με στοιχειο ενισχυσης
HRP20160792TT HRP20160792T1 (hr) 2012-10-17 2016-07-05 Plastična paleta s učvrsnim elementom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12188830.9A EP2722285B8 (fr) 2012-10-17 2012-10-17 Palette en plastique avec élément raidisseur

Publications (3)

Publication Number Publication Date
EP2722285A1 EP2722285A1 (fr) 2014-04-23
EP2722285B1 true EP2722285B1 (fr) 2016-04-06
EP2722285B8 EP2722285B8 (fr) 2016-06-15

Family

ID=47115395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12188830.9A Active EP2722285B8 (fr) 2012-10-17 2012-10-17 Palette en plastique avec élément raidisseur

Country Status (9)

Country Link
EP (1) EP2722285B8 (fr)
CY (1) CY1117716T1 (fr)
DK (1) DK2722285T3 (fr)
ES (1) ES2575698T3 (fr)
HR (1) HRP20160792T1 (fr)
HU (1) HUE029714T2 (fr)
PL (1) PL2722285T3 (fr)
RS (1) RS54872B1 (fr)
SI (1) SI2722285T1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3536624A1 (fr) 2016-06-08 2019-09-11 Cabka GmbH & Co. KG Pallette composite pour le transport et le stockage a long terme de recipients
DE102017121813A1 (de) 2017-09-20 2019-03-21 Schoeller Allibert Gmbh Palette aus Kunststoff
DE102018128137A1 (de) 2018-11-09 2020-05-14 Schoeller Allibert Gmbh Palette aus Kunststoff mit Verstärkungselementen
US11167882B2 (en) 2018-11-13 2021-11-09 Chep Technology Pty Limited Half-size plastic pallet with deck scoop areas

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009504522A (ja) * 2005-08-16 2009-02-05 マルク・アーリンシュタイン・マシイネン・ウント・アンラーゲン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 寸法安定性および積載能力が高いパレット
DE102009008277A1 (de) 2009-02-10 2010-08-12 Paul Craemer Gmbh Kunststoff-Palette mit verstärkter Kufe

Also Published As

Publication number Publication date
SI2722285T1 (sl) 2016-08-31
EP2722285B8 (fr) 2016-06-15
HRP20160792T1 (hr) 2016-08-12
DK2722285T3 (en) 2016-07-18
HUE029714T2 (en) 2017-03-28
ES2575698T3 (es) 2016-06-30
RS54872B1 (sr) 2016-10-31
CY1117716T1 (el) 2017-05-17
PL2722285T3 (pl) 2016-10-31
EP2722285A1 (fr) 2014-04-23

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