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EP0564989A1 - Transport pallet - Google Patents

Transport pallet Download PDF

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Publication number
EP0564989A1
EP0564989A1 EP93105461A EP93105461A EP0564989A1 EP 0564989 A1 EP0564989 A1 EP 0564989A1 EP 93105461 A EP93105461 A EP 93105461A EP 93105461 A EP93105461 A EP 93105461A EP 0564989 A1 EP0564989 A1 EP 0564989A1
Authority
EP
European Patent Office
Prior art keywords
tool according
support surface
beams
opening
board
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.)
Granted
Application number
EP93105461A
Other languages
German (de)
French (fr)
Other versions
EP0564989B1 (en
Inventor
Michel George Durand
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.)
Antal Trading Ltd
Original Assignee
Antal Trading Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Antal Trading Ltd filed Critical Antal Trading Ltd
Publication of EP0564989A1 publication Critical patent/EP0564989A1/en
Application granted granted Critical
Publication of EP0564989B1 publication Critical patent/EP0564989B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D19/002—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
    • 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
    • B65D19/0097—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 discrete foot-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
    • B65D19/38—Details or accessories
    • 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
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/02—Arrangements of flexible binders
    • 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
    • B65D2519/00258—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
    • B65D2519/00283—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
    • B65D2519/00398—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
    • B65D2519/00547—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
    • B65D2519/0098—Dismountable elements
    • B65D2519/00985—Dismountable elements the pallet being not usable as a pallet after dismounting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S108/00—Horizontally supported planar surfaces
    • Y10S108/901—Synthetic plastic industrial platform, e.g. pallet
    • Y10S108/902—Made with deformable integral fastening elements

Definitions

  • the present invention relates to a standardized transport tool comprising a rectangular support surface having standardized dimensions as well as support beams of a dimension corresponding to a dimension of the support surface and arranged below the support surface. .
  • europallet transport pallets of standard dimensions such as 80 cm in width and 120 cm in length, comprising a loading surface and beams arranged below this surface, the assembly being commonly made of boards. and wooden beams that are nailed together.
  • the fixing means comprises at least one opening made in an upper part of the beam, an opening which allows the insertion of a locking piece for locking the support plate with the beams .
  • the locking piece may be a bayonet nut comprising a retaining plate for engaging on one of the surfaces of the support plate, a surface which is opposite to that which is in contact with the beams, an essentially cylindrical part extending from the retaining plate and is intended to pass through the support plate through an opening made in said plate and lugs which extend radially outwards from the free end of the cylindrical part.
  • the opening in the upper part of the beam may have a shape having a main extension corresponding essentially to the essentially cylindrical part of the nut and two eccentric formations allowing the passage of the lugs during the insertion of the nut into the beam .
  • the upper part of the beam having this opening can be in the form of a board, the lower surface of this board comprising, near the opening, a ramp and a notch allowing the locking of the pins after introduction and rotation of the nut in said board.
  • Each beam can include several fixing means.
  • the beam may consist of two parallel boards, superimposed and spaced from each other by several spacers.
  • the beam may have on its lower board a surface promoting sliding.
  • the sliding surface may have longitudinal ridges.
  • the support plate can be plastic, cardboard, wood, metal and the nuts can be plastic.
  • FIG 1 there is illustrated a transport pallet 1 comprising a support plate 2 and three beams 3a, 3b, 3c.
  • the beams are fixed below the plate 2 by means of a plurality of nuts 5, which comprise a retaining plate 11 and a cylindrical part 12.
  • the nuts 5 are introduced by their cylindrical part 12 into openings 6 in the support plate 2 until the retaining plate 11 comes into contact with the upper surface of the support plate 2.
  • the beams 3a, 3b and 3c each have an upper plate 8 which has three openings 7 which are positioned so as to correspond with the openings 6 of the support plate 2 once the corresponding beam is positioned below the plate support 2 in its predestined position.
  • the openings 6 and 7 have a geometric shape which allows the introduction of the cylindrical part 12 of the lug, a cylindrical part which has two radial lugs which must pass through the holes 6 and 7 and the latter therefore have a shape which allows the passage of the pins.
  • the two parallel boards 8 and 9 of each beam are held at a distance from each other by a plurality of spacers 10.
  • Figure 2 shows, in more detail, the fixing of the nut 5 in the upper plate 8 of a beam 3, and we recognize in the upper plate of the beam the opening 7 having a central circular part and two recesses 15a and 15b which allow the passage of the pins 13a and 13b during the introduction of the nut 5 into the opening 7.
  • the nut is subjected to a rotation of a quarter turn, a rotation during which the pins 13a and 13b slide along the ramps 14 to finally fall into notches 16 , where they are essentially immobilized against any other rotation.
  • the wall between the ramp 14 and the notch 16 can also be formed in a ramp in a direction opposite to the direction of the ramp 16 to allow the release of the nut by rotation in the opposite direction. This embodiment is particularly necessary for pallets which one wants to dismantle between their uses, or simply if one wishes an easy dismantling.
  • the pallet 1 comprises three beams 3 ' longitudinal and a number of cross members 20 in the form of boards which are each connected to each of the beams by a fastening means 5 'quick, such as the quarter-turn nut described above.
  • the number of crosspieces 20 can, of course, be chosen according to the use of a pallet, it being understood that at least two crosspieces should be present to stabilize the pallet.
  • a stabilization means has been provided preventing the crossbars 20 from shearing with respect to the beams 3 ′, said stabilization means being able to be incorporated by lugs 22 which project either from the crossbeams 20 or from the beams 3 ′ in order to be accommodated in holes 23 provided for this purpose in the other of these two elements.
  • Such stabilization means creates at least a second attachment point at each intersection of a cross member with a beam in order to suppress pivoting between the two elements.
  • the shape chosen for this stabilization means can, of course, be other than a lug, in particular a rib which is housed in a groove or the like.
  • the pallet according to the invention may also include a clamping means incorporated for the load to be transported.
  • Such a tightening means may comprise a first strap 24 of the rack type and a second strap 25 comprising a locking element 26 making it possible to pull the strap in one direction through an orifice of the locking element and to block it in the opposite direction.
  • two straps 24, 25 are provided on one side and the other of each beam 3, 3 'and at locations to be chosen.
  • the arrangement of the straps 24, 25 in FIG. 3 is given by way of example only. It is also possible to provide for fixing the straps to the crosspieces 20, their arrangement for the beams, however, seems more advantageous since it is possible to provide inside the volume of the beams a chamber 27 in which is the wound strap 28 whose end 24a comes out of the chamber 27 through an orifice 29. The other end of the strap 24 is wedged inside the chamber 27.
  • the beams according to the present invention are made of an injected plastic material, and the nuts, as well as the support plate can be of any material, including injected plastic.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)

Abstract

Une palette de transport (1) comporte une surface de support en forme de plaque (2) ou des traverses (20) ainsi que trois poutrelles (3a - 3c) qui sont fixées en-dessous de la surface de support. Les poutrelles sont fixées à la plaque de support par des écrous (5) comportant un moyen de verrouillage du type baïonnette, écrous qui sont destinés à traverser la plaque de support ainsi qu'une partie supérieure de la poutrelle avant d'être fixés par une rotation d'un quart de tour. Les poutrelles selon la présente invention sont fabriquées en un matériau plastique injecté, ainsi que les écrous, la plaque de support pouvant être en un matériau quelconque y compris en plastique injecté. Les poutrelles peuvent comporter des sangles (24) permettant de fixer la charge (30) sur la palette (1). <IMAGE>A transport pallet (1) has a plate-like support surface (2) or cross members (20) as well as three beams (3a - 3c) which are fixed below the support surface. The beams are fixed to the support plate by nuts (5) comprising a bayonet type locking means, nuts which are intended to pass through the support plate and an upper part of the beam before being fixed by a quarter-turn rotation. The beams according to the present invention are made of an injected plastic material, as well as the nuts, the support plate being able to be of any material including injected plastic. The beams may include straps (24) for fixing the load (30) on the pallet (1). <IMAGE>

Description

La présente invention a trait à un outil de transport normalisé comportant une surface de support rectangulaire ayant des dimensions normalisées ainsi que des poutrelles de support d'une dimension correspondant à une dimension de la surface de support et disposées en-dessous de la surface de support.The present invention relates to a standardized transport tool comprising a rectangular support surface having standardized dimensions as well as support beams of a dimension corresponding to a dimension of the support surface and arranged below the support surface. .

Sont couramment utilisées aujourd'hui des palettes de transport dites europalettes de dimensions normalisées telles que 80 cm de largeur et 120 cm de longueur comportant une surface de chargement et des poutrelles arrangées en-dessous de cette surface, l'ensemble étant couramment fabriqué en planches et en poutres en bois qui sont clouées ensemble.Commonly used today are so-called europallet transport pallets of standard dimensions such as 80 cm in width and 120 cm in length, comprising a loading surface and beams arranged below this surface, the assembly being commonly made of boards. and wooden beams that are nailed together.

Ce système de palettes est relativement lourd et inflexible quant au stockage et à l'assemblage, et le but de la présente invention est donc de remédier à ces inconvénients et de prévoir notamment un système de palettes qui comporte les avantages suivants :

  • 1. le montage de la palette devrait être possible d'une façon rapide sans outils spéciaux ;
  • 2. la palette devrait comporter la possibilité d'être montée sur tout support ;
  • 3. le démontage devrait se faire également de façon rapide ;
  • 4. il devrait être facile de récupérer des pièces de l'ensemble pour une nouvelle utilisation ;
  • 5. on cherche la possibilité de stocker les palettes avant usage dans un minimum d'espace, et surtout les palettes doivent présenter un poids réduit par rapport aux palettes traditionnelles pour permettre la réalisation d'économies de frais de transport notamment de frais de transport aérien sans augmenter sensiblement leur coût. Le coût de fabrication de ces palettes devrait, au contraire, être suffisamment bas pour permettre de ne les utiliser qu'une fois.
This pallet system is relatively heavy and inflexible as regards storage and assembly, and the aim of the present invention is therefore to remedy these drawbacks and in particular to provide a pallet system which has the following advantages:
  • 1. assembly of the pallet should be possible quickly without special tools;
  • 2. the pallet should include the possibility of being mounted on any support;
  • 3. disassembly should also be done quickly;
  • 4. it should be easy to recover parts of the assembly for new use;
  • 5. we are looking for the possibility of storing pallets before use in a minimum of space, and above all the pallets must have a reduced weight compared to traditional pallets to allow savings in transport costs, in particular air transport costs without significantly increasing their cost. The manufacturing cost of these pallets should, on the contrary, be low enough to allow them to be used only once.

Selon l'invention ces objectifs sont atteints avec un outil comme mentionné ci-dessus qui est en outre caractérisé en ce que les poutrelles sont fabriquées en matière plastique injectée et en ce qu'elles sont attachées à la surface de support par des moyens de fixation séparable en-dessous de la plaque de support.According to the invention these objectives are achieved with a tool as mentioned above which is further characterized in that the beams are made of injected plastic and in that they are attached to the support surface by fixing means separable below the support plate.

Selon une forme de réalisation particulière de l'invention, le moyen de fixation comporte au moins une ouverture pratiquée dans une partie supérieure de la poutrelle, ouverture qui permet l'insertion d'une pièce de verrouillage pour verrouiller la plaque de support avec les poutrelles.According to a particular embodiment of the invention, the fixing means comprises at least one opening made in an upper part of the beam, an opening which allows the insertion of a locking piece for locking the support plate with the beams .

La pièce de verrouillage peut être un écrou à baïonnette comportant une plaque de retenue pour s'engager sur une des surfaces de la plaque de support, surface qui est opposée à celle qui est en contact avec les poutrelles, une partie essentiellement cylindrique s'étendant à partir de la plaque de retenue et est destinée à traverser la plaque de support par une ouverture pratiquée dans ladite plaque et des ergots qui s'étendent de façon radiale vers l'extérieur à partir de l'extrémité libre de la partie cylindrique. L'ouverture dans la partie supérieure de la poutrelle peut comporter une forme ayant une extension principale correspondant essentiellement à la partie essentiellement cylindrique de l'écrou et deux formations excentriques permettant le passage des ergots lors de l'insération de l'écrou dans la poutrelle.The locking piece may be a bayonet nut comprising a retaining plate for engaging on one of the surfaces of the support plate, a surface which is opposite to that which is in contact with the beams, an essentially cylindrical part extending from the retaining plate and is intended to pass through the support plate through an opening made in said plate and lugs which extend radially outwards from the free end of the cylindrical part. The opening in the upper part of the beam may have a shape having a main extension corresponding essentially to the essentially cylindrical part of the nut and two eccentric formations allowing the passage of the lugs during the insertion of the nut into the beam .

La partie supérieure de la poutrelle présentant cette ouverture peut se présenter en forme d'une planche, la surface inférieure de cette planche comportant à la proximité de l'ouverture une rampe et une encoche permettant le verrouillage des ergots après introduction et rotation de l'écrou dans ladite planche.The upper part of the beam having this opening can be in the form of a board, the lower surface of this board comprising, near the opening, a ramp and a notch allowing the locking of the pins after introduction and rotation of the nut in said board.

Chaque poutrelle peut comporter plusieurs moyens de fixation.Each beam can include several fixing means.

La poutrelle peut consister en deux planches parallèles, superposées et espacées l'une de l'autre par plusieurs entretoises.The beam may consist of two parallel boards, superimposed and spaced from each other by several spacers.

La poutrelle peut comporter à sa planche inférieure une surface favorisant le glissement.The beam may have on its lower board a surface promoting sliding.

La surface favorisant le glissement peut comporter des stries longitudinales.The sliding surface may have longitudinal ridges.

La plaque de support peut être en un matériau plastique, carton, bois, métal et les écrous peuvent être en plastique.The support plate can be plastic, cardboard, wood, metal and the nuts can be plastic.

La présente invention sera décrite par la suite en référence aux dessins dont :

  • la figure 1 monte un outil de transport selon la présente invention dans un état semi-assemblé,
  • la figure 2 montre une partie d'une poutrelle pour illustrer le verrouillage de l'écrou,
  • la figure 3 montre une autre forme de réalisation de l'invention, et
  • la figure 4 montre un détail agrandi de la figure 3.
The present invention will be described below with reference to the drawings, in which:
  • FIG. 1 mounts a transport tool according to the present invention in a semi-assembled state,
  • FIG. 2 shows part of a beam to illustrate the locking of the nut,
  • FIG. 3 shows another embodiment of the invention, and
  • Figure 4 shows an enlarged detail of Figure 3.

Dans la figure 1, on a illustré une palette de transport 1 comportant une plaque de support 2 ainsi que trois poutrelles 3a, 3b, 3c. Les poutrelles sont fixées en-dessous de la plaque 2 au moyen d'une pluralité d'écrous 5, qui comportent une plaque de retenue 11 et une partie cylindrique 12. Les écrous 5 sont introduits par leur partie cylindrique 12 dans des ouvertures 6 dans la plaque de support 2 jusqu'à ce que la plaque de retenue 11 vienne en contact avec la surface supérieure de la plaque de support 2.In Figure 1, there is illustrated a transport pallet 1 comprising a support plate 2 and three beams 3a, 3b, 3c. The beams are fixed below the plate 2 by means of a plurality of nuts 5, which comprise a retaining plate 11 and a cylindrical part 12. The nuts 5 are introduced by their cylindrical part 12 into openings 6 in the support plate 2 until the retaining plate 11 comes into contact with the upper surface of the support plate 2.

Les poutrelles 3a, 3b et 3c comportent chacune une planche supérieure 8 qui comporte trois ouvertures 7 qui sont positionnées de façon à correspondre avec les ouvertures 6 de la plaque de support 2 une fois que la poutrelle correspondante est positionnée en-dessous de la plaque de support 2 en sa position prédestinée.The beams 3a, 3b and 3c each have an upper plate 8 which has three openings 7 which are positioned so as to correspond with the openings 6 of the support plate 2 once the corresponding beam is positioned below the plate support 2 in its predestined position.

Les ouvertures 6 et 7 comportent une forme géométrique qui permet l'introduction de la partie cylindrique 12 de l'ergot, partie cylindrique qui comporte deux ergots radiaux qui doivent passer par les trous 6 et 7 et ces derniers ont donc une forme qui permet le passage des ergots.The openings 6 and 7 have a geometric shape which allows the introduction of the cylindrical part 12 of the lug, a cylindrical part which has two radial lugs which must pass through the holes 6 and 7 and the latter therefore have a shape which allows the passage of the pins.

Les deux planches parallèles 8 et 9 de chaque poutrelle sont tenues à distance l'une de l'autre par une pluralité d'entretoises 10.The two parallel boards 8 and 9 of each beam are held at a distance from each other by a plurality of spacers 10.

La figure 2 montre, plus en détail, la fixation de l'écrou 5 dans la planche supérieure 8 d'une poutrelle 3, et on reconnait dans la planche supérieure de la poutrelle l'ouverture 7 comportant une partie circulaire centrale ainsi que deux évidements 15a et 15b qui permettent le passage des ergots 13a et 13b lors de l'introduction de l'écrou 5 dans l'ouverture 7.Figure 2 shows, in more detail, the fixing of the nut 5 in the upper plate 8 of a beam 3, and we recognize in the upper plate of the beam the opening 7 having a central circular part and two recesses 15a and 15b which allow the passage of the pins 13a and 13b during the introduction of the nut 5 into the opening 7.

Une fois que les ergots ont passé par l'ouverture 7, l'écrou est soumis à une rotation d'un quart de tour, rotation lors de laquelle les ergots 13a et 13b glissent le long des rampes 14 pour finalement tomber dans des encoches 16, où ils sont essentiellement immobilisés contre toute autre rotation. La paroi entre la rampe 14 et l'encoche 16 peut être formée également en rampe d'un sens contraire au sens de la rampe 16 pour permettre la libération de l'écrou par une rotation dans le sens inverse. Cette forme de réalisation s'impose notamment pour des palettes que l'on veut démonter entre leurs utilisations, ou simplement si on souhaite un démontage facile.Once the pins have passed through the opening 7, the nut is subjected to a rotation of a quarter turn, a rotation during which the pins 13a and 13b slide along the ramps 14 to finally fall into notches 16 , where they are essentially immobilized against any other rotation. The wall between the ramp 14 and the notch 16 can also be formed in a ramp in a direction opposite to the direction of the ramp 16 to allow the release of the nut by rotation in the opposite direction. This embodiment is particularly necessary for pallets which one wants to dismantle between their uses, or simply if one wishes an easy dismantling.

Selon une autre forme de réalisation de l'invention, illustrée en figure 3, la palette 1 comporte trois poutrelles 3' longitudinales et un nombre de traverses 20 en forme de planches qui sont reliées chacune à chacune des poutrelles par un moyen de fixation 5' rapide, tel que l'écrou à quart de tour décrit ci-dessus. Le nombre de traverses 20 peut, bien sûr, être choisi en fonction de l'utilisation d'une palette, étant entendu qu'au moins deux traverses devraient être présentes pour stabiliser la palette.According to another embodiment of the invention, illustrated in FIG. 3, the pallet 1 comprises three beams 3 ' longitudinal and a number of cross members 20 in the form of boards which are each connected to each of the beams by a fastening means 5 'quick, such as the quarter-turn nut described above. The number of crosspieces 20 can, of course, be chosen according to the use of a pallet, it being understood that at least two crosspieces should be present to stabilize the pallet.

On a prévu un moyen de stabilisation empêchant le cisaillement des traverses 20 par rapport aux poutrelles 3', ledit moyen de stabilisation pouvant être incorporé par des ergots 22 qui saillissent soit des traverses 20 ou des poutrelles 3' pour se loger dans des trous 23 prévus à cet effet dans l'autre de ces deux éléments.A stabilization means has been provided preventing the crossbars 20 from shearing with respect to the beams 3 ′, said stabilization means being able to be incorporated by lugs 22 which project either from the crossbeams 20 or from the beams 3 ′ in order to be accommodated in holes 23 provided for this purpose in the other of these two elements.

Un tel moyen de stabilisation crée au moins un second point d'attache au niveau de chaque intersection d'une traverse avec une poutrelle afin de supprimer un pivotement entre les deux éléments. La forme choisie pour ce moyen de stabilisation peut, bien sûr, être autre qu'un ergot, notamment une nervure qui se loge dans une rainure ou similaire.Such stabilization means creates at least a second attachment point at each intersection of a cross member with a beam in order to suppress pivoting between the two elements. The shape chosen for this stabilization means can, of course, be other than a lug, in particular a rib which is housed in a groove or the like.

La palette selon l'invention peut en outre comporter un moyen de serrage incorporé pour la charge à transporter.The pallet according to the invention may also include a clamping means incorporated for the load to be transported.

Un tel moyen de serrage peut comprendre une première sangle 24 du type crémaillère et une seconde sangle 25 comportant un élément de blocage 26 permettant de tirer la sangle dans une direction au travers d'un orifice de l'élément de blocage et de la bloquer dans le sens opposé.Such a tightening means may comprise a first strap 24 of the rack type and a second strap 25 comprising a locking element 26 making it possible to pull the strap in one direction through an orifice of the locking element and to block it in the opposite direction.

On peut, bien sûr, également prévoir une solution où les deux sangles sont identiques et l'élément de blocage est indépendant et permet le passage des deux extrémités des deux sangles au travers de deux orifices.One can, of course, also provide a solution where the two straps are identical and the locking element is independent and allows the passage of the two ends of the two straps through two orifices.

De préférence deux sangles 24, 25 sont prévues d'un côté et de l'autre de chaque poutrelle 3, 3' et à des endroits à choisir.Preferably two straps 24, 25 are provided on one side and the other of each beam 3, 3 'and at locations to be chosen.

La disposition des sangles 24, 25 en figure 3 est donnée à titre d'exemple seulement. On peut également prévoir de fixer les sangles aux traverses 20, leur disposition aux poutrelles semble cependant plus avantageuse car on peut prévoir à l'intérieur du volume des poutrelles une chambre 27 dans laquelle se trouve la sangle enroulée 28 dont l'extrémité 24a sort de la chambre 27 par un orifice 29. L'autre extrémité de la sangle 24 est calée à l'intérieur de la chambre 27.The arrangement of the straps 24, 25 in FIG. 3 is given by way of example only. It is also possible to provide for fixing the straps to the crosspieces 20, their arrangement for the beams, however, seems more advantageous since it is possible to provide inside the volume of the beams a chamber 27 in which is the wound strap 28 whose end 24a comes out of the chamber 27 through an orifice 29. The other end of the strap 24 is wedged inside the chamber 27.

Les poutrelles selon la présente invention sont fabriquées en un matériau plastique injecté, et les écrous, ainsi que la plaque de support peuvent être en un matériau quelconque y compris en plastique injecté.The beams according to the present invention are made of an injected plastic material, and the nuts, as well as the support plate can be of any material, including injected plastic.

L'invention a été décrite ci-dessus à titre d'exemple en se référant aux figures annexées, étant entendu que l'étendue de protection n'est pas limitée à cet exemple.The invention has been described above by way of example with reference to the appended figures, it being understood that the scope of protection is not limited to this example.

Claims (15)

Outil de transport normalisé comportant une surface rectangulaire de support (2, 20) ayant des dimensions normalisées ainsi que des poutrelles (3a - 3c) de support, dont la dimension longitudinale correspond à une dimension de la surface de support et étant disposée en-dessous de la surface de support (2, 20) caractérisé en ce que les poutrelles (3a - 3c) sont fabriquées en matière plastique injectée et en ce qu'elles sont attachées à la surface de support (2, 20) par des moyens de fixation séparable (5, 7) en-dessous de la surface de support (2, 20).Standardized transport tool comprising a rectangular support surface (2, 20) having standardized dimensions as well as support beams (3a - 3c), the longitudinal dimension of which corresponds to a dimension of the support surface and is arranged below of the support surface (2, 20) characterized in that the beams (3a - 3c) are made of injected plastic and in that they are attached to the support surface (2, 20) by fixing means separable (5, 7) below the support surface (2, 20). Outil selon la revendication 1, caractérisé en ce que la surface de support (2, 20) est constituée par une plaque rectangulaire (2) ou par au moins deux traverses (20).Tool according to claim 1, characterized in that the support surface (2, 20) consists of a rectangular plate (2) or by at least two crosspieces (20). Outil selon la revendication 1 ou 2, caractérisé en ce que le moyen de fixation (5, 7) comporte au moins une ouverture (7) pratiquée dans une partie supérieure de la poutrelle (2), ouverture (7) qui permet l'insertion d'une pièce de verrouillage (5) pour verrouiller la surface de support (2) avec les poutrelles (3a - 3c).Tool according to claim 1 or 2, characterized in that the fixing means (5, 7) comprises at least one opening (7) made in an upper part of the beam (2), opening (7) which allows insertion a locking piece (5) for locking the support surface (2) with the beams (3a - 3c). Outil selon la revendication 3, caractérisé en ce que la pièce de verrouillage (5) est un écrou à baïonnette comportant une plaque de retenue (11) pour s'engager sur une des surfaces de la surface de support (2), surface qui est opposée à celle qui est en contact avec les poutrelles (3a - 3c), une partie essentiellement cylindrique (12) s'étendant à partir de la plaque de retenue (11) et qui est destinée à traverser la surface de support (2) par une ouverture (6) pratiquée dans ladite surface (2, 20) et des ergots (13a - 13b) qui s'étendent de façon radiale vers l'extérieur à partir de l'extrémité libre de la partie cylindrique (12).Tool according to claim 3, characterized in that the locking piece (5) is a bayonet nut comprising a retaining plate (11) for engaging on one of the surfaces of the support surface (2), which surface is opposite to that which is in contact with the beams (3a - 3c), an essentially cylindrical part (12) extending from the retaining plate (11) and which is intended to pass through the support surface (2) by an opening (6) formed in said surface (2, 20) and lugs (13a - 13b) which extend radially outwards from the free end of the cylindrical part (12). Outil selon la revendication 4, caractérisé en ce que l'ouverture (7) dans la partie supérieure de la poutrelle (2) comporte une forme ayant une extension principale correspondant essentiellement à la partie essentiellement cylindrique (12) de l'écrou (5) et deux formations excentriques (15a, 15b) permettant le passage des ergots (13a - 13b) lors de l'insertion de l'écrou (5) dans la poutrelle (3a - 3b).Tool according to claim 4, characterized in that the opening (7) in the upper part of the beam (2) has a shape having a main extension corresponding essentially to the essentially cylindrical part (12) of the nut (5) and two eccentric formations (15a, 15b) allowing the passage of the lugs (13a - 13b) during the insertion of the 'nut (5) in the beam (3a - 3b). Outil selon la revendication 5, caractérisé en ce que la partie supérieure de la poutrelle présentant l'ouverture (7) se présente sous forme d'une planche (8), la surface inférieure de cette planche (8) comportant à la proximité de l'ouverture (7) une rampe (14) et une encoche (16) permettant le verrouillage des ergots après introduction et rotation de l'écrou (5) dans ladite planche (8).Tool according to claim 5, characterized in that the upper part of the beam having the opening (7) is in the form of a board (8), the lower surface of this board (8) comprising, near the opening (7) a ramp (14) and a notch (16) allowing the locking of the lugs after introduction and rotation of the nut (5) in said board (8). Outil selon la revendication 6, caractérisé en ce que chaque poutrelle (3a - 3c) comporte plusieurs moyens de fixation (5).Tool according to claim 6, characterized in that each beam (3a - 3c) comprises several fixing means (5). Outil selon la revendication 7, caractérisé en ce que la poutrelle (3a - 3c) consiste en deux planches (8, 9) parallèles, superposées et espacées l'une de l'autre par plusieurs entretoises (10).Tool according to claim 7, characterized in that the beam (3a - 3c) consists of two parallel boards (8, 9), superimposed and spaced from one another by several spacers (10). Outil selon la revendication 8, caractérisé en ce que la poutrelle (3a - 3c) comporte à sa planche inférieure (9) une surface inférieure favorisant le glissement (17).Tool according to claim 8, characterized in that the beam (3a - 3c) has on its lower board (9) a lower surface promoting sliding (17). Outil selon la revendication 9, caractérisé en ce que la surface favorisant le glissement (17) comporte des stries longitudinales.Tool according to claim 9, characterized in that the sliding-promoting surface (17) has longitudinal ridges. Outil selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface de support (2, 20) est en matériau plastique, carton, bois, métal et les écrous étant en plastique.Tool according to any one of the preceding claims, characterized in that the support surface (2, 20) is made of plastic material, cardboard, wood, metal and the nuts being plastic. Outil selon la revendication 1, caractérisé en ce que la surface de support comporte au moins deux traverses (20) qui relient les poutrelles (3) entre elles en s'étendant perpendiculairement sur les poutrelles, chaque traverse étant fixée à chaque poutrelle par un moyen de fixation (5, 7).Tool according to claim 1, characterized in that the support surface comprises at least two crosspieces (20) which connect the beams (3) together by extending perpendicularly on the beams, each cross member being fixed to each beam by a fixing means (5, 7). Outil selon la revendication 12, caractérisé en ce qu'à chaque intersection entre une traverse (20) et une poutrelle (3) est prévu en outre un moyen de stabilisation comportant des ergots (21) qui s'emboîtent dans des trous (23), soit les ergots ou les trous étant disposés à la surface supérieure de la planche (8) de la poutrelle (3) et l'autre à la surface inférieure de la traverse (20).Tool according to claim 12, characterized in that at each intersection between a crosspiece (20) and a beam (3) is further provided a stabilization means comprising lugs (21) which fit into holes (23) , either the pins or the holes being arranged on the upper surface of the board (8) of the beam (3) and the other on the lower surface of the crosspiece (20). Outil selon l'une quelconque des revendications précédentes, caractérisé en ce qu'à chaque poutrelle et/ou chaque traverse est fixé un moyen de serrage pour attacher une charge sur sa surface de support.Tool according to any one of the preceding claims, characterized in that to each beam and / or each cross-member is fixed a clamping means for attaching a load to its support surface. Outil selon la revendication 14, caractérisé en ce que chaque poutrelle (3, 3') comporte à titre de moyen de serrage à chacune de ses extrémités une sangle (24, 25) ainsi qu'un moyen de blocage (26) pour les extrémités libres des deux sangles (24, 25).Tool according to claim 14, characterized in that each beam (3, 3 ') comprises, as clamping means at each of its ends, a strap (24, 25) as well as a locking means (26) for the ends free of the two straps (24, 25).
EP93105461A 1992-04-10 1993-04-02 Transport pallet Expired - Lifetime EP0564989B1 (en)

Applications Claiming Priority (3)

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CH1185/92 1992-04-10
CH118592A CH686504A5 (en) 1992-04-10 1992-04-10 Transportation pallet
US08/041,113 US5445084A (en) 1992-04-10 1993-04-01 Normed transport pallet

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EP0564989A1 true EP0564989A1 (en) 1993-10-13
EP0564989B1 EP0564989B1 (en) 1997-03-19

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EP (1) EP0564989B1 (en)
JP (1) JPH068941A (en)
AT (1) ATE150410T1 (en)
AU (1) AU666180B2 (en)
CA (1) CA2093739A1 (en)
CH (1) CH686504A5 (en)
DE (1) DE69308921T2 (en)
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DE2733457A1 (en) * 1977-07-25 1979-02-15 Hans Juergen Ing Grad Bruns Plastics pallet with upper grid member bolted to lower members - providing dimensionally stable assembly of foamed plastics material with closed cell structure
CA1159379A (en) * 1981-10-05 1983-12-27 Howard B. Carter Collapsible shipping container
DE8660078U1 (en) * 1986-12-17 1991-09-26 Remaplan GmbH Planung und Management für Kunststoff-Recycling, 8000 München Plastic pallet.
US4829909A (en) * 1987-11-19 1989-05-16 Mandel Ronald L Material transporting arrangement
EP0400640A1 (en) * 1989-06-02 1990-12-05 Remaplan Anlagenbau Gmbh Plastic pallet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0609611A3 (en) * 1993-02-05 1995-06-28 Michael D Stolzman Plastic ripper and manufacturing process.
GB2280663A (en) * 1993-08-03 1995-02-08 Mckechnie Uk Ltd Pallet
GB2280663B (en) * 1993-08-03 1997-08-13 Mckechnie Uk Ltd Pallet
WO1996028358A1 (en) * 1995-03-14 1996-09-19 World Wide Pallets Limited Pallet
WO2000061451A1 (en) 1999-04-13 2000-10-19 Rockwool Lapinus B.V. Separated pallet

Also Published As

Publication number Publication date
DE69308921T2 (en) 1997-11-06
CH686504A5 (en) 1996-04-15
AU666180B2 (en) 1996-02-01
US5445084A (en) 1995-08-29
CA2093739A1 (en) 1993-10-11
FR2689859A1 (en) 1993-10-15
JPH068941A (en) 1994-01-18
ES2103397T3 (en) 1997-09-16
AU3679493A (en) 1993-10-14
DE69308921D1 (en) 1997-04-24
USRE35870E (en) 1998-08-18
EP0564989B1 (en) 1997-03-19
DK0564989T3 (en) 1997-10-13
ATE150410T1 (en) 1997-04-15

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