EP3572343B1 - Verwendung einer kunststoffpalette - Google Patents

Verwendung einer kunststoffpalette Download PDF

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Publication number
EP3572343B1
EP3572343B1 EP19173602.4A EP19173602A EP3572343B1 EP 3572343 B1 EP3572343 B1 EP 3572343B1 EP 19173602 A EP19173602 A EP 19173602A EP 3572343 B1 EP3572343 B1 EP 3572343B1
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EP
European Patent Office
Prior art keywords
plastic pallet
pallet
deck
accordance
foregoing
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
EP19173602.4A
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German (de)
English (en)
French (fr)
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EP3572343A1 (de
Inventor
Ralf-Peter Finke
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.)
Craemer GmbH
Original Assignee
Craemer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Craemer GmbH filed Critical Craemer GmbH
Priority to SI201930337T priority Critical patent/SI3572343T1/sl
Priority to HRP20221078TT priority patent/HRP20221078T1/hr
Priority to RS20220857A priority patent/RS63568B1/sr
Publication of EP3572343A1 publication Critical patent/EP3572343A1/de
Application granted granted Critical
Publication of EP3572343B1 publication Critical patent/EP3572343B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D19/0004—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
    • B65D2203/00—Decoration means, markings, information elements, contents indicators
    • B65D2203/10—Transponders
    • 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
    • B65D2519/00119—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
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00308—Overall construction of the load supporting surface grid type, e.g. perforated plate
    • 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
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00402—Integral, e.g. ribs
    • B65D2519/00407—Integral, e.g. ribs 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
    • B65D2519/00258—Overall construction
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00402—Integral, e.g. ribs
    • B65D2519/00412—Integral, e.g. ribs 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
    • B65D2519/00437—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
    • B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
    • B65D2519/00562—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements chemical connection, e.g. glued, welded, sealed
    • 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
    • B65D2519/008—Drainage means
    • 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
    • B65D2519/00825—Finishing of the external surfaces
    • B65D2519/0083—Anti-slip means
    • B65D2519/00835—Integral
    • 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
    • B65D2519/00825—Finishing of the external surfaces
    • B65D2519/0083—Anti-slip means
    • B65D2519/0084—Separated elements, e.g. including in-moulded elements

Definitions

  • Transport pallets made of wood have been known from practice for decades. In order to ensure problem-free handling worldwide, these wooden transport pallets have standardized dimensions.
  • plastic pallets are known, which are considered advantageous over wooden pallets for certain applications and to meet certain requirements. Due to the different material properties, e.g. with regard to the modulus of elasticity, the known plastic pallets deviate from the dimensions that are standardized for wooden transport pallets.
  • the DE 10 2013 113 336 A1 for example, relates to a plastic pallet with entry openings coated with a non-slip surface, which serve to accommodate the fork of an industrial truck.
  • a plastic pallet which has two-layer coextruded panels. On the upper side, these panels have an anti-slip layer that might not be easy to weld or glue to the base body of a plastic pallet.
  • the underside of such a coextruded plate consists of a material that can be easily welded to the base body of the pallet.
  • the co-extrusion process used to manufacture the two-layer panels means that the two different materials used can be permanently and reliably connected to one another.
  • the non-slip design of the deck of the pallets serves firstly to secure the load for the goods on the pallet and secondly to ensure stacking safety when empty pallets are stacked on top of each other.
  • a plastic pallet is known, the upper side of which is designed to be non-slip by means of coextruded surface elements, the deck also having cavities in which stiffening strips are arranged and which extend upwards through the coextruded surface elements are completed. Feet extend downward from the deck, with the undersides of a plurality of feet being connected by runners.
  • plastic pallets which have cavities or depressions on their underside.
  • DE 20 2007 003 691 U1 and the DE 20 64 131 A a plastic pallet is known in each case, which is formed from an upper part and a lower part. With the plastic pallet after the DE 20 2007 003 691 U1 either the upper part or the lower part is largely free of a milling line, which otherwise serves to compensate for a production-related offset between the upper part and the lower part.
  • a plastic pallet is known whose outer corners are provided with a retention profile.
  • U.S. 2010 288 169 A1 is known in the pallet deck a plastic pallet to provide a receiving space for accommodating an RFID tag.
  • conveyor systems When handling pallets, conveyor systems are used in a practically unmanageable variety. This applies, for example, to industrial trucks and their design
  • Forks or tines but also roller conveyors, conveyor belts, stacking and storage facilities.
  • the conveyor systems are equipped with a large number of different elements that are adapted to the geometry of the pallets.
  • These can be guiding elements, such as deflector or guide plates, or collars, for example, which are arranged on the rollers of a roller conveyor.
  • These can be sensors that detect the presence or absence of a wooden pallet, and which can be designed, for example, as spring-loaded flaps, limit switches or the like that rest against the pallets.
  • they can also be non-contact sensors that detect the presence or the correct alignment of a pallet capacitively or in the manner of a light barrier, matched to the geometry of the pallet.
  • plastic pallets Due to the dimensional differences that exist between wooden pallets and plastic pallets, plastic pallets are typically used in a closed system due to their hygienic advantages, for example in food processing or pharmaceutical industries.
  • the conveyor technology can be adapted exactly to the dimensions of the pallet type used in this closed system.
  • plastic pallets in other areas as well.
  • boards broken by plastic pallets or protruding nails can be avoided, which in highly automated environments are caused by deviations from the target contour range can lead to incorrect triggering of sensors or switches.
  • the formation of chips and splinters can be ruled out with plastic pallets, which could otherwise be deposited in conveyor systems and impair roller conveyors, drive chains, touch sensors and similar moving elements or optical elements such as light barriers, cameras or similar optical sensors.
  • the object of the invention is to provide a plastic pallet that can be used in an open, mixed system together with wooden pallets.
  • the invention proposes, as a first measure, to design the runners of the pallet to be hollow and to arrange stiffening ribs in the runners, so that the runners are reinforced against bending.
  • the hollow design of the runners also results in a weight saving, which benefits, for example, when transporting the payload of a transport vehicle available for the goods.
  • the hollow construction of the runners which is designed with stiffening ribs, enables a rigidity of the runners that enables problem-free handling of the plastic pallet, even when loaded, in a variety of different conveying, handling and storage systems.
  • the undersides of the runners be closed.
  • sensors are often used in practice to detect the presence of a pallet in highly automated environments such as the conveyor, handling and storage systems mentioned.
  • Such sensors have, for example, styli which protrude spring-loaded in such an environment and are pressed down against the spring action by the dead weight of the pallet or the total weight of a loaded pallet.
  • the closed configuration of the underside of the runners ensures that the feeler pins cannot penetrate into the cavities of a hollow runner, so that the presence sensors are reliably triggered by the proposed configuration.
  • cavities are also arranged in the deck. These cavities are used to accommodate stiffening strips. It is economically advantageous to use continuous profiles that can be produced inexpensively and cut to length as stiffening strips, for example in the form of solid rods. For weight reasons and reasons of saving material and in favor of improved flexural strength, hollow rods, ie tubes, can be used as stiffening strips. An even more extensive saving in material combined with high flexural strength can be made possible if closed, tubular profiles are not used, but rather open profiles, such as e.g. B. a U-profile, a wave profile o.
  • the stiffening strips are arranged in such a way that the plastic pallet can be used both in the longitudinal direction and in is stiffened in the transverse direction so that the pallet can withstand a wide variety of bending stresses, depending on the conveyor or handling technology used to handle the pallet.
  • the stiffening strips can be made in the longitudinal direction and in the transverse direction of the plastic pallet in order to ensure the desired stiffening in the longitudinal and transverse directions.
  • the cavities in the deck of the pallet, in which the stiffening strips are arranged are closed at the top by the coextruded surface elements provided.
  • the plastic pallet can also be used in hygienically demanding environments such as the food industry or the pharmaceutical industry, but also the stiffening strips themselves are protected against external influences protected.
  • a plastic pallet which has surface elements welded both on its top side to the deck and on its underside under the runners.
  • the non-slip elements on the top of the pallet deck improve the secure hold of the goods on the plastic pallet. If, for example, plastic pallets are conveyed on non-driven roller conveyors, which run diagonally downwards so that the pallets are moved with the aid of gravity, there is usually a stop at the lower end of such a roller conveyor to stop the pallets at a defined position from where they for example, can be removed fully automatically. In practical tests, it has been found that the running speed of plastic pallets on such non-driven roller conveyors is greater than the running speed of wooden pallets. Accordingly, the plastic pallets hit the stop at the end of the roller conveyor at a higher speed.
  • the anti-slip coating ensures that the goods remain reliably on the pallet even if they hit the stop.
  • the plastic pallet is manufactured in a manner known per se, including the runners, and that the runners are closed off at the bottom by means of separate, so-called base plates, which are welded to the underside of the runners.
  • base plates which are welded to the underside of the runners.
  • Such a base plate extends over the entire length of the runner, so that the number of parts required for the plastic pallet and the number and length of the total weld seams to be carried out can be kept lower than if the runners were closed on their underside with several base plates each .
  • the base plate is designed to be non-slip on its underside.
  • gravity roller conveyor that leads diagonally downwards
  • braking rollers are intended to prevent a pallet from reaching too high a speed until it hits a stop at the lower end of the gravity roller conveyor, which can be designed, for example, as a steel strip running transversely to the roller conveyor. If the speed is too high, there is a risk that the load will slip on the pallet or fall off the pallet when the pallet hits the stop.
  • the excellent sliding properties of a plastic pallet can contribute to the braking rollers mentioned having less of an effect on the plastic pallet than on a wooden pallet. Due to the non-slip design of the base plate on its underside, the slip behavior of the plastic pallet can be matched to the slip behavior of a wooden pallet.
  • the underside of the base plate can be designed to be non-slip in the desired manner by means of a non-slip coating.
  • a strip of slip-resistant material can be glued or welded to the bottom of the footplate, and such a strip can completely or partially cover the underside of the footplate, or can be flush with the footplate so that the underside of the footplate is flat with no downward protrusions.
  • stiffening strips in the deck of the plastic pallet could, for example, be combined to form a closed, circumferential ring or run diagonally across the pallet deck. As already mentioned above, it can be particularly advantageous for the stiffening strips to run in the longitudinal and transverse directions of the plastic pallet.
  • the stiffening strips can be made of particularly light materials such as CFRP or similar composite materials such as GRP.
  • CFRP particularly light materials
  • GRP similar composite materials
  • the use of stiffening strips made of steel has proven excellent due to the economically available commercially available semi-finished products from which the stiffening strips can be cut to fit.
  • the use of pipes allows high flexural rigidity with low weight of the stiffening strips.
  • the stiffening strips can be designed as double T-profiles, which also represent an advantageous embodiment with regard to the economically available commercially available semi-finished products, with the advantages of a high flexural rigidity of the stiffening strips.
  • the runners can be designed without lateral indentations.
  • Such lateral indentations are often to be found in the area of the runners in plastic pallets, for example because of the economic and weight advantages associated with the saving of material.
  • a continuous board with the same cross-section throughout is typically used as a skid.
  • elements are provided which lie against the side of the runner.
  • this can be guide elements, such as guide rollers, deflector plates or the like, to guide the pallet in the conveyor system, or it can be sensor rods, rollers, light barriers or similar sensors to detect the presence of a pallet in an automated to detect the environment. Due to the fact that the plastic pallet also has indentation-free skids, this plastic pallet can in many cases be used in mixed operation with wooden pallets where the system environment has corresponding elements which scan the skids laterally.
  • Openings which pass through the deck from top to bottom, can advantageously be arranged in the deck of the plastic pallet. In this way it can be avoided that standing water accumulates on the pallet deck and the goods standing in a puddle that has formed on the top of the pallet deck for a long time. For reasons of hygiene, the openings are harmless, as they pass through the pallet deck and are therefore not scooping openings, but can be flushed through without any problems when cleaning the pallet.
  • the pallet deck is heavily ribbed on its underside in order to ensure a correspondingly high flexural rigidity of the pallet. If these ribs result in cavities that are open at the bottom, then these do not represent any scooping openings in the pallet, since they are open at the bottom, so that they are hygienically harmless. In addition, these recesses, which are open at the bottom, can also be easily reached when cleaning the pallet and can be rinsed accordingly.
  • the anti-slip surface elements provided according to the proposal on the upper side of the pallet deck can advantageously be arranged in such a way, for example in the form of longitudinal and transverse strips, that there is a maximum spacing of 15 cm between adjacent strips.
  • a non-slip design of the upper side of the pallet deck is advantageous in which areas free of the non-slip coating have a maximum diameter of 15 cm. This ensures that even comparatively smaller containers always stand reliably on a non-slip part of the pallet deck and that the desired load securing of the goods on the pallet is achieved.
  • retention profiles are provided on two opposite feet, and particularly advantageously a particularly reliable hold of the film packaging can be ensured by all four feet in the outer corners of the pallet being provided with such a retention profile.
  • these profiles can be provided, for example, in the form of knobs.
  • a configuration of the retention profiling that is particularly advantageous against damage can be achieved in that horizontally running notches are introduced into the outer corner area of the foot. This avoids profiling elements protruding outwards, which would be particularly vulnerable to mechanical damage.
  • the shrink films typically used as film packaging pull themselves into the indentations mentioned, so that the desired hold for the film packaging, which is aimed for by the retention profile, can be reliably achieved.
  • a proposed pallet can be used with existing conveyor technology without an exact dimensional adjustment of the conveyor technology.
  • 1 denotes a plastic pallet as a whole, which has a deck 2, a plurality of feet 3 and runners 4, with one runner 4 connecting three feet 3 to one another.
  • planar elements 5 On the upper side of the deck 2 there are planar elements 5 in the form of elongate strips, these strips having been cut from co-extruded sheets.
  • the plates and accordingly the surface elements 5 have two different materials, namely a non-slip material on the upper side and a material on the lower side which is welded to a base body 6 of the plastic pallet 1 .
  • the base body 6 forms parts of the deck 2 including a frame surrounding the surface elements 5 on the outside, as well as the feet 3 and the runners 4.
  • the surface elements 5 are welded to this base body 6. Openings 7 are provided in the deck 2, which pass through the deck 2 and prevent the formation of standing moisture on the deck 2.
  • the feet 3 arranged there are each provided with horizontal notches, so that a retention profile 8 is created in each of the outer corners of these feet 3.
  • FIG. 2 shows the plastic pallet 1 from below. It can be seen that the underside of the deck 2 is heavily ribbed and has a large number of longitudinal and transverse stiffening ribs. Furthermore, longitudinal troughs 9 can be seen on the underside of the deck 2 opposite the runners 4 . Furthermore shows 2 that the runners 4 are closed off on their underside by foot plates 10, so that the configuration of the runners 4, which are hollow and are provided with a plurality of longitudinally and transversely extending stiffening ribs, from 2 is not recognizable.
  • FIG. 3 shows in a view similar 1 the plastic pallet 1 in perspective from above, however, the deck 2 can be seen before the surface elements 5 are welded onto the base body 6. Therefore are in 3 the ones open at the top Troughs 9 can be seen, in which square tubes made of steel are inserted as stiffening strips 11 . Apart from these three longitudinal stiffening strips 11, there are also stiffening strips 11 on the two front ends of the base body 6 in the deck 2, which are inserted into troughs 9 located there and which consist of the same basic material, namely a steel square tube, as the longitudinal stiffening strips 11.
  • a trough 9 before inserting a stiffening strip 11 in a opposite 3 larger scale and in a second embodiment of a plastic pallet. It can be seen that not only a trough 9 is provided as a recess in the deck 2 to accommodate the stiffening strip 11, but also that a flatter recess 12 surrounding the trough 9 is provided for receiving a surface element 5, so that the anti-slip strips are almost flush can finish with the surface of deck 2. They only protrude slightly beyond the height of deck 2, for example by about 0.8 mm, so that on the one hand they are protected against mechanical damage, but on the other hand they also reliably ensure that goods on deck 2 are in contact with the non-slip Surface elements 5 comes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
EP19173602.4A 2018-05-23 2019-05-09 Verwendung einer kunststoffpalette Active EP3572343B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI201930337T SI3572343T1 (sl) 2018-05-23 2019-05-09 Uporaba palete iz umetne snovi
HRP20221078TT HRP20221078T1 (hr) 2018-05-23 2019-05-09 Uporaba plastične palete
RS20220857A RS63568B1 (sr) 2018-05-23 2019-05-09 Upotreba plastične palete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018102877.4U DE202018102877U1 (de) 2018-05-23 2018-05-23 Vielfältig handhabbare Kunststoffpalette

Publications (2)

Publication Number Publication Date
EP3572343A1 EP3572343A1 (de) 2019-11-27
EP3572343B1 true EP3572343B1 (de) 2022-07-06

Family

ID=62910280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19173602.4A Active EP3572343B1 (de) 2018-05-23 2019-05-09 Verwendung einer kunststoffpalette

Country Status (11)

Country Link
EP (1) EP3572343B1 (pt)
DE (1) DE202018102877U1 (pt)
DK (1) DK3572343T3 (pt)
ES (1) ES2927725T3 (pt)
HR (1) HRP20221078T1 (pt)
HU (1) HUE059813T2 (pt)
LT (1) LT3572343T (pt)
PL (1) PL3572343T3 (pt)
PT (1) PT3572343T (pt)
RS (1) RS63568B1 (pt)
SI (1) SI3572343T1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD948157S1 (en) 2018-12-20 2022-04-05 Chep Technology Pty Limited Pallet attachment
CN112622385A (zh) * 2020-12-07 2021-04-09 安徽强茗塑业科技有限公司 一种组合式塑料托盘及其使用方法
DE102021206411A1 (de) 2021-06-22 2022-12-22 Robert Bosch Gesellschaft mit beschränkter Haftung Automatisiert betreibbares Flurförderfahrzeug mit einer Beladungssensoreinrichtung sowie Beladungssensoreinrichtung
CN114368572B (zh) * 2022-01-04 2023-11-24 大唐互联科技(武汉)有限公司 多层冷链仓储无人化跨楼层货物输送系统及方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2064131B2 (de) 1970-12-28 1979-09-20 Mitsubishi Chemical Industries, Ltd., Tokio Doppeldeck- Flachpalette aus Kunststoff
GB1512450A (en) 1975-05-06 1978-06-01 Mitsubishi Chem Ind Plastics pallet
DE19753213A1 (de) * 1997-12-01 1999-06-02 Craemer Paul Gmbh & Co Kunststoffpalette
US6216608B1 (en) * 1998-07-01 2001-04-17 The Geon Company Plastic pallet
DE19836378C2 (de) * 1998-08-11 2003-08-21 Linpac Stucki Kunststoffverarb Palette
DE102005003725A1 (de) 2005-01-26 2006-07-27 Linpac Materials Handling(Germany)Gmbh Rutschhemmende Beschichtung eines Transportkastens einer Palette oder eines Tablars aus Kunststoff und Verfahren zu deren Herstellung
WO2008054219A1 (en) * 2006-10-30 2008-05-08 Euro Composite Plastic As Pallet for reuse, made of plastic
DE202007003691U1 (de) 2007-03-13 2007-07-05 Paul Craemer Gmbh Geschlossene Palette mit Fräslinie
US20090000527A1 (en) * 2007-06-26 2009-01-01 Paul Ficker Three piece welded plastic pallet
CN101765546A (zh) * 2007-07-12 2010-06-30 罗姆德公司 托盘
WO2010127868A1 (de) * 2009-05-07 2010-11-11 Rundpack Ag Palette aus kunststoff
DE102013113336A1 (de) 2013-12-02 2015-06-03 Paul Craemer Gmbh Palette mit rutschhemmend beschichteter Einfahröffnung

Also Published As

Publication number Publication date
PL3572343T3 (pl) 2022-11-21
EP3572343A1 (de) 2019-11-27
HUE059813T2 (hu) 2022-12-28
HRP20221078T1 (hr) 2022-11-25
SI3572343T1 (sl) 2022-11-30
LT3572343T (lt) 2022-10-10
DK3572343T3 (da) 2022-10-10
PT3572343T (pt) 2022-09-22
ES2927725T3 (es) 2022-11-10
RS63568B1 (sr) 2022-10-31
DE202018102877U1 (de) 2018-07-03

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