EP1190953A1 - Plastic pallet - Google Patents

Plastic pallet Download PDF

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Publication number
EP1190953A1
EP1190953A1 EP01420199A EP01420199A EP1190953A1 EP 1190953 A1 EP1190953 A1 EP 1190953A1 EP 01420199 A EP01420199 A EP 01420199A EP 01420199 A EP01420199 A EP 01420199A EP 1190953 A1 EP1190953 A1 EP 1190953A1
Authority
EP
European Patent Office
Prior art keywords
pallet
upper plate
honeycomb
nodes
feet
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
EP01420199A
Other languages
German (de)
French (fr)
Other versions
EP1190953B1 (en
Inventor
Yves Adelhanoff
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BMV SARL
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Individual
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Publication of EP1190953A1 publication Critical patent/EP1190953A1/en
Application granted granted Critical
Publication of EP1190953B1 publication Critical patent/EP1190953B1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D19/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004Rigid pallets without side walls
    • B65D19/0006Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/0008Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
    • B65D19/002Rigid 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
    • B65D19/0024Rigid 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
    • B65D19/0026Rigid 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00014Materials for the load supporting surface
    • B65D2519/00034Plastic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00049Materials for the base surface
    • B65D2519/00069Plastic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00084Materials for the non-integral separating spacer
    • B65D2519/00104Plastic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00263Overall construction of the pallet
    • B65D2519/00273Overall construction of the pallet made of more than one piece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00283Overall construction of the load supporting surface
    • B65D2519/00288Overall construction of the load supporting surface made of one piece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00283Overall construction of the load supporting surface
    • B65D2519/00303Cell type, e.g. honeycomb
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00313Overall construction of the base surface
    • B65D2519/00323Overall construction of the base surface made of more than one piece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00313Overall construction of the base surface
    • B65D2519/00328Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00333Overall construction of the base surface shape of the contact surface of the base contact surface having a stringer-like shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00313Overall construction of the base surface
    • B65D2519/00358Cell type, e.g. honeycomb
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00368Overall construction of the non-integral separating spacer
    • B65D2519/00373Overall construction of the non-integral separating spacer whereby at least one spacer is made of one piece

Definitions

  • the present invention relates to a handling pallet in plastic material, such a pallet comprising, in a generally known manner, a rectangular upper plate and feet or studs protruding under the tray.
  • Handling pallets are traditionally made in wood. We also know plastic handling pallets, generally obtained by molding.
  • plastic handling pallets can be cited here the achievements known according to patents French N ° 2070367, N ° 2172412 and N ° 2259023, or according to demand WO 96/24529 or US Patent No. 5,341,748.
  • material handling pallets plastic have, most often, a perforated tray.
  • the openings formed in the tray may have the form of elongated slots, as shown in some of the above documents (patent French No. 2070367, US Patent No. 5341748). These slots can be oriented either all in one direction, so parallel to each other others, or in two perpendicular directions.
  • the pallet trays in plastic material have square or rectangular openings, which form a grid or a grid (see French patent N ° 2259023 and the WO 96/24529 cited above). Diamond shaped openings have also been proposed - see US Patent No. 5,960,720.
  • any handling pallet must withstand not only the weight of the load placed on its tray, but also to side impacts and to the stresses of the forks of the lifting used for their handling.
  • the present invention aims to remedy the drawbacks of the current plastic handling pallets, providing a optimized pallet, with a particularly suitable and resistant structure, allowing significant relief for such a pallet.
  • the invention essentially relates to a palette of plastic handling, of the type comprising a tray rectangular top and feet or studs protruding under the tray, the upper plate having an openwork structure, this pallet being characterized in that said upper plate has a structure openwork like "honeycomb".
  • the structure of the genus "honeycomb" of upper plate results from nodes in the shape of a closed geometric figure, each with central opening, which are staggered and which are interconnected by partitions or oblique arms, delimiting with the nodes other larger octagonal or substantially openings octagonal.
  • the nodes of the structure of the like "honeycomb" of the upper plate have a square shape or substantially square, the oblique arms connecting to the four angles of these nodes.
  • the nodes of the structure of the genus "nest bees "on the upper shelf have a circular shape or substantially circular.
  • the mesh produced by the structure of the "honeycomb” genus, is strong enough to hold the pallet, respecting European standards, and it also provides maximum lightening of the pallet, allowing it to be lifted and handled by a single person. Of more, this mesh is thin enough to allow the storage of small objects and small parts on the pallet, ensuring their support and avoiding their sliding or falling.
  • the invention is applicable to different types of pallets handling: single-use pallets or reusable pallets, pallets stackable or not, pallets with single feet or studs, or pallets with soles, etc ..., these pallets can be naturally of any size, in particular of standardized dimensions.
  • the soles In the case of a pallet with soles, more particularly a pallet whose feet, arranged in rows, are connected to each other at their base by elongated soles, it is advantageously provided, according to the present invention, that the soles also have a structure of the "nest" type bees ", similar to that of the upper tray, especially in intermediate parts of these soles, i.e. their parts located between the feet of the pallet. It is thus guaranteed that, in the case of a pallet with soles, uniform hold and reactions are obtained at on the one hand and on the soles on the other hand.
  • the example illustrated in the drawing concerns a handling pallet made of plastic, generally designated by the reference 1, which has a perforated upper plate 2 of rectangular shape, under which protrude nine feet 3, hollow configuration, distributed in three rows three feet 3 parallel. More particularly, in this example, the three feet 3 of each row are interconnected at their base by a sole longitudinal 4.
  • the upper plate 2 has a structure of the "nest” type bees ", partially visible in Figure 1 and completely on the figure 2.
  • each sole 4 also has a structure of the "honeycomb” type.
  • the structure of the genus “honeycomb” consists of vertical partitions 5 and 6, which meet at points of convergence 7 and which define repeating openings 8 and 9 in a geometric pattern regular, in the longitudinal and transverse directions of the pallet 1.
  • the partitions 5 extend in the longitudinal directions and transverse of the pallet 1, being arranged in squares, so as to delimit the openings 8 themselves of generally square shape, and relatively small, the side of these square openings being designated by A (see detail in Figure 6).
  • Each configuration consisting of four partitions 5, delimiting a square opening 8, is designated as "node" and indicated by reference 10.
  • the multiple nodes 10, thus formed, are divided into staggered, especially on the extent of the plate 2, and they are interconnected by the other partitions 6.
  • These partitions 6 are oriented in directions oblique, at 45 ° to the longitudinal and transverse directions of the pallet 1.
  • Each oblique partition 6 connects one of the four angles of a node 10, i.e. the point of convergence 7 of two partitions 5, at an angle of one neighbor node 10.
  • the combination of partitions 5 and 6 delimits the others openings 9, octagonal in shape, each opening 9 having four sides formed by the longitudinal or transverse partitions 5, and four others sides formed by the four oblique partitions 6, which are inserted between the first partitions 5.
  • the openings 9 Depending on the length B of the oblique partitions 6, equal or not on side A, the openings 9 have the shape of regular octagons or not.
  • the structure of the genus "honeycomb" of the soles 4 is similar to that of the upper plate 2, however more limited in its scope, since it only exists on the intermediate parts of the soles 4, located between the feet 3.
  • the oblique partitions 6 form arms which converge towards the nodes 10 of the structure of the genus "honeycomb", so that the pallet 1 is made particularly resistant to tensile and bending forces, thus than crushing and impact.
  • This pallet 1 can be produced, by molding, from a mixture suitable polyolefins, for example a mixture of polypropylene and polyethylene.
  • Such a pallet 1 is particularly light.
  • the weight can be reduced ten kilograms or less, while the usual weight of a plastic pallet, of the same dimensions, is of the order of 25 kg.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The pallet (1), consisting of a rectangular top panel (2) measuring e.g. 1200 x 800 mm, blocks or feet (3) and sole strips (4), has the panel and sole strips made from a moulded plastic with a honeycomb structure. The structure is in the form of square or round cores (5) linked by oblique arms (6) at 45 degrees to the panel's lengthwise and transverse axes.

Description

La présente invention concerne une palette de manutention en matière plastique, une telle palette comportant, de façon généralement connue, un plateau supérieur rectangulaire et des pieds ou plots dépassant sous le plateau.The present invention relates to a handling pallet in plastic material, such a pallet comprising, in a generally known manner, a rectangular upper plate and feet or studs protruding under the tray.

Les palettes de manutention sont traditionnellement réalisées en bois. On connaít aussi des palettes de manutention en matière plastique, généralement obtenues par moulage.Handling pallets are traditionally made in wood. We also know plastic handling pallets, generally obtained by molding.

A titre d'exemples de palettes de manutention en matière plastique, peuvent être ici citées les réalisations connues selon les brevets français N° 2070367, N° 2172412 et N° 2259023, ou encore selon la demande de brevet internationale WO 96/24529 ou le brevet US N° 5341748.As examples of plastic handling pallets, can be cited here the achievements known according to patents French N ° 2070367, N ° 2172412 and N ° 2259023, or according to demand WO 96/24529 or US Patent No. 5,341,748.

Afin de parvenir à une réalisation si possible légère, et permettant l'évacuation d'eau ou autres liquides, les palettes de manutention en matière plastique possèdent, le plus souvent, un plateau ajouré. Les ouvertures ménagées dans le plateau peuvent présenter la forme de fentes allongées, comme montré dans certains des documents précités (brevet français N° 2070367, brevet US N° 5341748). Ces fentes peuvent être orientées soit toutes selon une seule direction, donc parallèlement les unes aux autres, soit suivant deux directions perpendiculaires.In order to achieve a realization if possible light, and allowing evacuation of water or other liquids, material handling pallets plastic have, most often, a perforated tray. The openings formed in the tray may have the form of elongated slots, as shown in some of the above documents (patent French No. 2070367, US Patent No. 5341748). These slots can be oriented either all in one direction, so parallel to each other others, or in two perpendicular directions.

Selon d'autres propositions connues, les plateaux de palettes en matière plastique possèdent des ouvertures de forme carrée ou rectangulaire, qui forment un quadrillage ou une grille (voir le brevet français N° 2259023 et la demande WO 96/24529 précités). Des ouvertures en forme de losange ont aussi été proposées - voir le brevet US N° 5960720.According to other known proposals, the pallet trays in plastic material have square or rectangular openings, which form a grid or a grid (see French patent N ° 2259023 and the WO 96/24529 cited above). Diamond shaped openings have also been proposed - see US Patent No. 5,960,720.

Le choix de telles ouvertures, de formes géométriques très simples, ne permet pas d'optimiser les palettes de manutention en matière plastique. En particulier, il subsiste des points dans lesquels se concentrent les contraintes mécaniques, et qui favorisent ainsi les amorces de ruptures. Pour éviter ces risques, donc pour augmenter la résistance de telles palettes, leur poids doit être augmenté ce qui va à l'encontre du but recherché, et rend souvent nécessaire la présence de deux personnes pour manipuler ces palettes, et notamment pour les soulever, même si ces palettes ne sont pas chargées.The choice of such openings, very simple geometric shapes, does not optimize plastic handling pallets. In particular, there remain points in which the constraints are concentrated mechanical, and which thus favor the initiation of ruptures. To avoid these risks, so to increase the resistance of such pallets, their weight must be increased which goes against the desired goal, and often makes necessary the presence of two people to handle these pallets, and especially to lift them, even if these pallets are not loaded.

Il convient aussi de considérer que toute palette de manutention doit résister non seulement au poids de la charge posée sur son plateau, mais aussi aux chocs latéraux et aux sollicitations des fourches des appareils de levage utilisés pour leur manipulation. It should also be considered that any handling pallet must withstand not only the weight of the load placed on its tray, but also to side impacts and to the stresses of the forks of the lifting used for their handling.

La présente invention vise à remédier aux inconvénients des actuelles palettes de manutention en matière plastique, en fournissant une palette optimisée, d'une structure particulièrement adaptée et résistante, permettant un allègement notable pour une telle palette.The present invention aims to remedy the drawbacks of the current plastic handling pallets, providing a optimized pallet, with a particularly suitable and resistant structure, allowing significant relief for such a pallet.

A cet effet, l'invention a essentiellement pour objet une palette de manutention en matière plastique, du type de celles comprenant un plateau supérieur rectangulaire et des pieds ou plots faisant saillie sous le plateau, le plateau supérieur possédant une structure ajourée, cette palette étant caractérisée par le fait que ledit plateau supérieur possède une structure ajourée du genre "nid d'abeilles".To this end, the invention essentially relates to a palette of plastic handling, of the type comprising a tray rectangular top and feet or studs protruding under the tray, the upper plate having an openwork structure, this pallet being characterized in that said upper plate has a structure openwork like "honeycomb".

Selon une forme de réalisation préférée de la palette de manutention objet de l'invention, la structure du genre "nid d'abeilles" du plateau supérieur résulte de noeuds en forme de figure géométrique fermée, chacun avec ouverture centrale, qui sont répartis en quinconce et qui sont reliés entre eux par des cloisons ou bras obliques, délimitant avec les noeuds d'autres ouvertures plus grandes de forme octogonale ou sensiblement octogonale.According to a preferred embodiment of the palette handling object of the invention, the structure of the genus "honeycomb" of upper plate results from nodes in the shape of a closed geometric figure, each with central opening, which are staggered and which are interconnected by partitions or oblique arms, delimiting with the nodes other larger octagonal or substantially openings octagonal.

Dans un mode d'exécution particulier, les noeuds de la structure du genre "nid d'abeilles" du plateau supérieur possèdent une forme carrée ou sensiblement carrée, les bras obliques se raccordant aux quatre angles de ces noeuds.In a particular embodiment, the nodes of the structure of the like "honeycomb" of the upper plate have a square shape or substantially square, the oblique arms connecting to the four angles of these nodes.

Selon une variante, les noeuds de la structure du genre "nid d'abeilles" du plateau supérieur possèdent une forme circulaire ou sensiblement circulaire.According to a variant, the nodes of the structure of the genus "nest bees "on the upper shelf have a circular shape or substantially circular.

Grâce au recours à de telles structures du genre "nid d'abeilles", comportant des noeuds particuliers permettant la transmission et la répartition d'efforts, on évite la concentration des contraintes et les inconvénients qui en résultent. Le maillage, réalisé par la structure du genre "nid d'abeilles", est suffisamment solide pour permettre la tenue de la palette, avec respect des normes européennes, et il procure aussi un allègement maximum de la palette, permettant son soulèvement et sa manipulation par une seule personne. De plus, ce maillage est suffisamment fin pour permettre le rangement de petits objets et de petites pièces sur la palette, en assurant leur appui et en évitant leur glissement ou leur chute.Thanks to the use of such "honeycomb" structures, with specific nodes for transmission and distribution effort, we avoid the concentration of constraints and disadvantages which result. The mesh, produced by the structure of the "honeycomb" genus, is strong enough to hold the pallet, respecting European standards, and it also provides maximum lightening of the pallet, allowing it to be lifted and handled by a single person. Of more, this mesh is thin enough to allow the storage of small objects and small parts on the pallet, ensuring their support and avoiding their sliding or falling.

L'invention est applicable à différents types de palettes de manutention : palettes à usage unique ou palettes réutilisables, palettes empilables ou non, palettes avec simples pieds ou plots, ou palettes avec semelles, etc..., ces palettes pouvant être naturellement de tout format, en particulier de dimensions normalisées.The invention is applicable to different types of pallets handling: single-use pallets or reusable pallets, pallets stackable or not, pallets with single feet or studs, or pallets with soles, etc ..., these pallets can be naturally of any size, in particular of standardized dimensions.

Dans le cas d'une palette avec semelles, plus particulièrement une palette dont les pieds, disposés en rangées, sont reliées entre eux à leur base par des semelles allongées, il est avantageusement prévu, selon la présente invention, que les semelles possèdent elles aussi une structure du genre "nid d'abeilles", analogue à celle du plateau supérieur, en particulier dans les parties intermédiaires de ces semelles, c'est-à-dire leurs parties situées entre les pieds de la palette. Il est ainsi garanti que, dans le cas d'une palette avec semelles, soient obtenues une tenue et des réactions homogènes, au niveau du plateau d'une part et au niveau des semelles d'autre part.In the case of a pallet with soles, more particularly a pallet whose feet, arranged in rows, are connected to each other at their base by elongated soles, it is advantageously provided, according to the present invention, that the soles also have a structure of the "nest" type bees ", similar to that of the upper tray, especially in intermediate parts of these soles, i.e. their parts located between the feet of the pallet. It is thus guaranteed that, in the case of a pallet with soles, uniform hold and reactions are obtained at on the one hand and on the soles on the other hand.

L'invention sera mieux comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemple, une forme de réalisation de cette palette de manutention en matière plastique :

  • Figure 1 est une vue d'ensemble, en perspective, d'une palette conforme à la présente invention, avec représentation partielle de ses structures du genre "nid d'abeilles" ;
  • Figure 2 est une vue en plan par dessus de la palette de figure 1 ;
  • Figure 3 est une vue de côté de cette palette ;
  • Figure 4 est une vue en coupe transversale de la même palette, suivant IV-IV de figure 2 ;
  • Figure 5 est une vue en coupe horizontale de cette palette, faite à mi-hauteur suivant V-V de figure 3 ;
  • Figure 6 montre, à échelle agrandie, un détail de la structure du genre "nid d'abeilles" de cette palette.
  • The invention will be better understood with the aid of the description which follows, with reference to the appended diagrammatic drawing representing, by way of example, an embodiment of this plastic handling pallet:
  • Figure 1 is an overall perspective view of a pallet according to the present invention, with partial representation of its structures of the genus "honeycomb";
  • Figure 2 is a plan view from above of the pallet of Figure 1;
  • Figure 3 is a side view of this pallet;
  • Figure 4 is a cross-sectional view of the same pallet, along IV-IV of Figure 2;
  • Figure 5 is a horizontal sectional view of this pallet, made halfway along VV of Figure 3;
  • Figure 6 shows, on an enlarged scale, a detail of the "honeycomb" type structure of this palette.
  • L'exemple illustré au dessin concerne une palette de manutention en matière plastique, désignée dans son ensemble par le repère 1, qui comporte un plateau supérieur ajouré 2 de forme rectangulaire, sous lequel font saillie neuf pieds 3, de configuration creuse, répartis en trois rangées parallèles de trois pieds 3. Plus particulièrement, dans cet exemple, les trois pieds 3 de chaque rangée son reliés entre eux, à leur base, par une semelle longitudinale 4.The example illustrated in the drawing concerns a handling pallet made of plastic, generally designated by the reference 1, which has a perforated upper plate 2 of rectangular shape, under which protrude nine feet 3, hollow configuration, distributed in three rows three feet 3 parallel. More particularly, in this example, the three feet 3 of each row are interconnected at their base by a sole longitudinal 4.

    Le plateau supérieur 2 possède une structure du genre "nid d'abeilles", visible partiellement sur la figure 1 et de façon complète sur la figure 2. Dans la mesure où la palette 1 considérée est pourvue de semelles 4, chaque semelle 4 possède elle aussi une structure du genre "nid d'abeilles".The upper plate 2 has a structure of the "nest" type bees ", partially visible in Figure 1 and completely on the figure 2. Insofar as the pallet 1 considered is provided with soles 4, each sole 4 also has a structure of the "honeycomb" type.

    La structure du genre "nid d'abeilles" est constituée par des cloisons verticales 5 et 6, qui se réunissent en des points de convergence 7 et qui délimitent des ouvertures 8 et 9 se répétant, selon un motif géométrique régulier, suivant les directions longitudinale et transversale de la palette 1.The structure of the genus "honeycomb" consists of vertical partitions 5 and 6, which meet at points of convergence 7 and which define repeating openings 8 and 9 in a geometric pattern regular, in the longitudinal and transverse directions of the pallet 1.

    Les cloisons 5 s'étendent suivant les directions longitudinale et transversale de la palette 1, en étant disposées selon des carrés, de manière à délimiter les ouvertures 8 elles-mêmes de forme générale carrée, et de relativement petite dimension, le côté de ces ouvertures carrées étant désigné par A (voir détail sur la figure 6). Chaque configuration constituée par quatre cloisons 5, délimitant une ouverture carrée 8, est désignée comme "noeud" et indiquée par le repère 10.The partitions 5 extend in the longitudinal directions and transverse of the pallet 1, being arranged in squares, so as to delimit the openings 8 themselves of generally square shape, and relatively small, the side of these square openings being designated by A (see detail in Figure 6). Each configuration consisting of four partitions 5, delimiting a square opening 8, is designated as "node" and indicated by reference 10.

    Les multiples noeuds 10, ainsi constitués, sont répartis en quinconce, notamment sur l'étendue du plateau 2, et ils sont reliés entre eux par les autre cloisons 6. Ces cloisons 6 sont orientées selon des directions obliques, à 45° par rapport aux directions longitudinale et transversale de la palette 1. Chaque cloison oblique 6 relie l'un des quatre angles d'un noeud 10, c'est-à-dire le point de convergence 7 de deux cloisons 5, à un angle d'un noeud 10 voisin.The multiple nodes 10, thus formed, are divided into staggered, especially on the extent of the plate 2, and they are interconnected by the other partitions 6. These partitions 6 are oriented in directions oblique, at 45 ° to the longitudinal and transverse directions of the pallet 1. Each oblique partition 6 connects one of the four angles of a node 10, i.e. the point of convergence 7 of two partitions 5, at an angle of one neighbor node 10.

    Ainsi, la combinaison des cloisons 5 et 6 délimite les autres ouvertures 9, de forme octogonale, chaque ouverture 9 possédant quatre côtés formés par les cloisons longitudinales ou transversales 5, et quatre autres côtés formés par les quatre cloisons obliques 6, qui s'intercalent entre les premières cloisons 5. Selon la longueur B des cloisons obliques 6, égale ou non au côté A, les ouvertures 9 ont la forme d'octogones réguliers ou non.Thus, the combination of partitions 5 and 6 delimits the others openings 9, octagonal in shape, each opening 9 having four sides formed by the longitudinal or transverse partitions 5, and four others sides formed by the four oblique partitions 6, which are inserted between the first partitions 5. Depending on the length B of the oblique partitions 6, equal or not on side A, the openings 9 have the shape of regular octagons or not.

    La structure du genre "nid d'abeilles" des semelles 4 est analogue à celle du plateau supérieur 2, toutefois plus limitée dans son étendue, puisqu'elle existe seulement sur les parties intermédiaires des semelles 4, situées entre les pieds 3.The structure of the genus "honeycomb" of the soles 4 is similar to that of the upper plate 2, however more limited in its scope, since it only exists on the intermediate parts of the soles 4, located between the feet 3.

    Les cloisons obliques 6 forment des bras qui convergent vers les noeuds 10 de la structure du genre "nid d'abeilles", de sorte que la palette 1 est rendue particulièrement résistante aux efforts de traction et de flexion, ainsi qu'à l'écrasement et aux chocs. The oblique partitions 6 form arms which converge towards the nodes 10 of the structure of the genus "honeycomb", so that the pallet 1 is made particularly resistant to tensile and bending forces, thus than crushing and impact.

    Cette palette 1 est réalisable, par moulage, à partir d'un mélange approprié de polyoléfines, par exemple un mélange de polypropylène et de polyéthylène.This pallet 1 can be produced, by molding, from a mixture suitable polyolefins, for example a mixture of polypropylene and polyethylene.

    Une telle palette 1 est particulièrement légère. Par exemple, pour une palette de dimensions égales à 1200 x 800 mm, le poids peut être ramené à une dizaine de kilogrammes, voire moins, alors que le poids habituel d'une palette en matière plastique, de mêmes dimensions, est de l'ordre de 25 kg.Such a pallet 1 is particularly light. For example, for a pallet of dimensions equal to 1200 x 800 mm, the weight can be reduced ten kilograms or less, while the usual weight of a plastic pallet, of the same dimensions, is of the order of 25 kg.

    L'on ne s'éloignerait pas du cadre de l'invention, telle que définie dans les revendications annexées :

    • en modifiant le détail des formes de la structure du genre "nid d'abeilles", notamment en réalisant les noeuds 10 de cette structure avec une forme plutôt circulaire que carrée, ;
    • en adaptant l'invention à des palettes de plus ou moins grandes dimensions, comportant des pieds plus ou moins nombreux ;
    • en appliquant cette invention à des palettes dépourvues de semelles et empilables, auquel cas, bien entendu, la structure du genre "nid d'abeilles" ne concernera que le plateau supérieur de la palette ;
    • plus généralement, en appliquant l'invention à tous produits de manutention avec plateau ou plancher, analogues à des palettes, par exemple des caisses-palettes ;
    • en réalisant les palettes, ou analogues, en toute matière plastique appropriée.
    One would not depart from the scope of the invention, as defined in the appended claims:
    • by modifying the detail of the shapes of the “honeycomb” type structure, in particular by making the nodes 10 of this structure with a shape that is more circular than square,;
    • by adapting the invention to pallets of more or less large dimensions, comprising more or less numerous feet;
    • by applying this invention to pallets devoid of soles and stackable, in which case, of course, the structure of the "honeycomb" type will only concern the upper plate of the pallet;
    • more generally, by applying the invention to all handling products with a tray or floor, similar to pallets, for example pallet boxes;
    • by making pallets, or the like, of any suitable plastic material.

    Claims (5)

    Palette de manutention (1) en matière plastique, comprenant un plateau supérieur rectangulaire (2) et des pieds ou plots (3) faisant saillie sous le plateau (2), le plateau supérieur (2) possédant une structure ajourée, caractérisée en ce que le plateau supérieur (2) de cette palette (1) possède une structure ajourée du genre "nid d'abeilles" (5 à 10).Handling pallet (1) made of plastic, comprising a rectangular upper plate (2) and feet or studs (3) projecting under the plate (2), the upper plate (2) having an openwork structure, characterized in that the upper plate (2) of this pallet (1) has an openwork structure of the "honeycomb" type (5 to 10). Palette de manutention selon la revendication 1, caractérisée en ce que la structure du genre "nid d'abeilles" du plateau supérieur (2) résulte de noeuds (10) en forme de figure géométrique fermée, avec ouverture centrale (8), qui sont répartis en quinconce et sont reliés entre eux par des cloisons ou bras obliques (6), délimitant avec les noeuds (10) d'autres ouvertures (9) plus grandes, de forme octogonale ou sensiblement octogonale.Handling pallet according to claim 1, characterized in that the structure of the "honeycomb" type of the upper plate (2) results from nodes (10) in the form of a closed geometric figure, with central opening (8), which are distributed in staggered rows and are interconnected by partitions or oblique arms (6), delimiting with the nodes (10) other larger openings (9), of octagonal or substantially octagonal shape. Palette de manutention selon la revendication 2, caractérisée en ce que les noeuds (10) de la structure du genre "nid d'abeilles" du plateau supérieur (2) possèdent une forme carrée ou sensiblement carrée, les bras obliques (6) se raccordant aux quatre angles de ces noeuds (10).Handling pallet according to claim 2, characterized in that the nodes (10) of the "honeycomb" type structure of the upper plate (2) have a square or substantially square shape, the oblique arms (6) being connected at the four angles of these nodes (10). Palette de manutention selon la revendication 2, caractérisée en ce que les noeuds (10) de la structure du genre "nid d'abeilles" du plateau supérieur (2) possèdent une forme circulaire ou sensiblement circulaire.Handling pallet according to claim 2, characterized in that the nodes (10) of the "honeycomb" type structure of the upper plate (2) have a circular or substantially circular shape. Palette de manutention selon l'une quelconque des revendications 2 à 4, dans laquelle les pieds (3), disposés en rangées, sont reliés entre eux à leur base par des semelles allongées (4), caractérisée en ce que les semelles (4) possèdent elles aussi une structure du genre "nid d'abeilles", analogue à celle du plateau supérieur (2), en particulier dans les parties intermédiaires de ces semelles (4), situées entre les pieds (3) de la palette (1).Handling pallet according to any one of Claims 2 to 4, in which the feet (3), arranged in rows, are interconnected at their base by elongated flanges (4), characterized in that the flanges (4) they also have a structure of the "honeycomb" type, similar to that of the upper plate (2), in particular in the intermediate parts of these soles (4), located between the feet (3) of the pallet (1) .
    EP01420199A 2000-09-26 2001-09-24 Plastic pallet Expired - Lifetime EP1190953B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR0012223A FR2814441B1 (en) 2000-09-26 2000-09-26 PLASTIC HANDLING PALLET
    FR0012223 2000-09-26

    Publications (2)

    Publication Number Publication Date
    EP1190953A1 true EP1190953A1 (en) 2002-03-27
    EP1190953B1 EP1190953B1 (en) 2007-12-19

    Family

    ID=8854678

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP01420199A Expired - Lifetime EP1190953B1 (en) 2000-09-26 2001-09-24 Plastic pallet

    Country Status (4)

    Country Link
    EP (1) EP1190953B1 (en)
    AT (1) ATE381496T1 (en)
    DE (1) DE60131939D1 (en)
    FR (1) FR2814441B1 (en)

    Cited By (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2872789A1 (en) * 2004-07-06 2006-01-13 Bmv Sarl HANDLING PALLET IN PLASTIC MATERIAL AND NANOCOMPOSITES
    WO2006027426A1 (en) * 2004-06-09 2006-03-16 Bmv Integral honeycomb-type goods handling pallet
    FR2875483A1 (en) * 2004-09-21 2006-03-24 Bmv Sarl HANDLING PALLET WITH FEET HAVING REINFORCEMENT
    EP2380817A1 (en) 2010-04-20 2011-10-26 Smart Flow Europe SA Pallet made of plastic material
    EP2394922A1 (en) 2010-06-10 2011-12-14 Smart Flow Europe SA Plastic pallet, able to adopt a nested position and a stacked position

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB2600720B (en) * 2020-11-05 2023-09-20 Three Smith Group Ltd Pallet support system

    Citations (10)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2070367A5 (en) 1969-12-02 1971-09-10 Liurette Claude Plastic transport palette with several - unloading cavities
    FR2172412A1 (en) 1972-02-16 1973-09-28 Utz Ag Georg
    FR2259023A1 (en) 1974-01-24 1975-08-22 Schoeller & Co Ag A
    DE3545918A1 (en) * 1984-12-31 1986-08-28 Reinhold Dipl.-Ing. 2000 Wedel Klowski Flat pallet
    GB2172573A (en) * 1985-03-22 1986-09-24 Philip Marcel Thomas Pallet
    DE8710416U1 (en) * 1987-07-29 1987-11-19 Klowski, Reinhold, Dipl.-Ing., 2000 Wedel Flat pallet
    US5341748A (en) 1993-07-19 1994-08-30 Liu Cheng Chia Stackable pallet
    DE19522000A1 (en) * 1994-06-22 1996-01-04 Mueller Formenbau Gmbh Plastic pallet mfr. providing antislip base
    WO1996024529A2 (en) 1995-02-10 1996-08-15 David S. Smith Packaging Limited A pallet
    US5960720A (en) 1998-05-04 1999-10-05 Borland; Curtis L. Display Pallet

    Patent Citations (10)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2070367A5 (en) 1969-12-02 1971-09-10 Liurette Claude Plastic transport palette with several - unloading cavities
    FR2172412A1 (en) 1972-02-16 1973-09-28 Utz Ag Georg
    FR2259023A1 (en) 1974-01-24 1975-08-22 Schoeller & Co Ag A
    DE3545918A1 (en) * 1984-12-31 1986-08-28 Reinhold Dipl.-Ing. 2000 Wedel Klowski Flat pallet
    GB2172573A (en) * 1985-03-22 1986-09-24 Philip Marcel Thomas Pallet
    DE8710416U1 (en) * 1987-07-29 1987-11-19 Klowski, Reinhold, Dipl.-Ing., 2000 Wedel Flat pallet
    US5341748A (en) 1993-07-19 1994-08-30 Liu Cheng Chia Stackable pallet
    DE19522000A1 (en) * 1994-06-22 1996-01-04 Mueller Formenbau Gmbh Plastic pallet mfr. providing antislip base
    WO1996024529A2 (en) 1995-02-10 1996-08-15 David S. Smith Packaging Limited A pallet
    US5960720A (en) 1998-05-04 1999-10-05 Borland; Curtis L. Display Pallet

    Cited By (7)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2006027426A1 (en) * 2004-06-09 2006-03-16 Bmv Integral honeycomb-type goods handling pallet
    FR2872789A1 (en) * 2004-07-06 2006-01-13 Bmv Sarl HANDLING PALLET IN PLASTIC MATERIAL AND NANOCOMPOSITES
    WO2006013308A1 (en) * 2004-07-06 2006-02-09 Bmv Material handling palet made of plastic and nanocomposites
    FR2875483A1 (en) * 2004-09-21 2006-03-24 Bmv Sarl HANDLING PALLET WITH FEET HAVING REINFORCEMENT
    WO2006032816A1 (en) * 2004-09-21 2006-03-30 Bmv Handling pallet with reinforced legs
    EP2380817A1 (en) 2010-04-20 2011-10-26 Smart Flow Europe SA Pallet made of plastic material
    EP2394922A1 (en) 2010-06-10 2011-12-14 Smart Flow Europe SA Plastic pallet, able to adopt a nested position and a stacked position

    Also Published As

    Publication number Publication date
    ATE381496T1 (en) 2008-01-15
    FR2814441B1 (en) 2003-06-20
    FR2814441A1 (en) 2002-03-29
    DE60131939D1 (en) 2008-01-31
    EP1190953B1 (en) 2007-12-19

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