EP2380817A1 - Pallet made of plastic material - Google Patents

Pallet made of plastic material Download PDF

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Publication number
EP2380817A1
EP2380817A1 EP10160417A EP10160417A EP2380817A1 EP 2380817 A1 EP2380817 A1 EP 2380817A1 EP 10160417 A EP10160417 A EP 10160417A EP 10160417 A EP10160417 A EP 10160417A EP 2380817 A1 EP2380817 A1 EP 2380817A1
Authority
EP
European Patent Office
Prior art keywords
feet
pallet
plastic
pallet according
longitudinal
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
EP10160417A
Other languages
German (de)
French (fr)
Other versions
EP2380817B1 (en
Inventor
Christian Delvigne
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.)
Smart Flow Europe SA
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Smart Flow Europe SA
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Filing date
Publication date
Application filed by Smart Flow Europe SA filed Critical Smart Flow Europe SA
Priority to EP20100160417 priority Critical patent/EP2380817B1/en
Publication of EP2380817A1 publication Critical patent/EP2380817A1/en
Application granted granted Critical
Publication of EP2380817B1 publication Critical patent/EP2380817B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D19/003—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B65D19/0032—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element
    • B65D19/0036—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B65D19/0038—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element forming discontinuous or non-planar contact surfaces and each contact surface having a stringer-like shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/003—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B65D19/0032—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element
    • B65D19/0036—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B65D19/004—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single 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
    • 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
    • B65D2519/00268—Overall construction of the pallet made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00288—Overall construction of the load supporting surface made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00318—Overall construction of the base surface made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—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
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00338—Overall construction of the base surface shape of the contact surface of the base 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
    • 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
    • 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
    • B65D2519/00935—Details with special means for nesting or stacking
    • B65D2519/0094—Details with special means for nesting or stacking nestable

Definitions

  • the invention relates to a plastic handling pallet.
  • Handling pallets are traditionally made of wood. Handling pallets made of plastic, generally obtained by molding, are also known. This type of pallet is for example described in French patents 2,070,367 , 2,172,412 and 2,259,023 , or in the European patent application 1,190,953 .
  • the present invention is more particularly a pallet, of the type sold by the applicant under the reference SF 800 NR.
  • This embodiment comprises firstly a perforated plate, formed by two longitudinal areas of material. The latter are surrounded by peripheral walls, generally forming a rectangle, whose short sides are formed by front walls and the long sides by longitudinal walls.
  • this palette is equipped with feet, divided into three rows of three. There are thus rows of feet respectively “before” and “back”, with reference to the longitudinal axis of the pallet, which are adjacent to one or the other of the front edges. Also referred to as “intermediate” feet, located between the aforementioned front and rear rows, which are consequently distant from the two front walls.
  • each beach is separated, either from the beach which is adjacent to it, or from the walls of the enclosure, by an interspace.
  • Joining areas in the form of a strip of rectilinear material extend through these interspaces at the level of the intermediate legs. Such areas therefore connect two by two the shelf areas and the walls of the enclosure.
  • This SF 800 NR pallet is generally satisfactory, which is also confirmed by the commercial success it enjoys.
  • the present invention aims to further improve this palette, especially in terms of strength and rigidity.
  • the idea underlying the invention is to provide a junction zone that does not extend rectilinearly along a transverse axis of the pallet. This makes it possible to better distribute, on either side of this transverse axis, the mechanical stresses that are exerted on the pallet.
  • the handling pallet 1 which is illustrated with reference to the Figures 1 to 7 is made of plastic, for example high density polyethylene or polypropylene and, in general, any injectable plastic material. It is formed by any suitable method, in particular by high pressure or low pressure plastic injection. For purely illustrative purposes, it has a length L of 1200 mm, a width l of 800 mm and a height H of about 160 mm, this dimension may vary according to need.
  • This pallet firstly comprises peripheral enclosure walls, forming generally a rectangle in plan view.
  • the longitudinal walls are thus designated by 10 and 10 'and the front walls 12' and 12 'respectively "front” and “rear” respectively corresponding to the long sides and the short sides of this rectangle.
  • the pallet is also provided with a goods receiving tray, which consists of two longitudinal areas of material 14 and 14 '. In other words, these ranges extend parallel to the walls 10.
  • L denotes the longitudinal direction of the entire pallet, which direction is parallel to the main axis of each range.
  • each band defines, with a longitudinal wall facing 10 or 10 ', two lateral spacer spaces 22 and 22'. Different feet of the pallet are formed at these interspaces.
  • each of the three intermediate feet 34 1 to 34 3 is divided into two shells 36 1 , 36 1 'to 36 3 , 36 3 ', each pair of shells being separated by a median material strip 40 1 to 40 3 , forming junction area.
  • the band 40 1 connects the first longitudinal wall 10 and the first band 14, the band 40 2 interconnects the two pads 14 and 14 ', while the band 40 3 connects the second pad 14' and the pad. another longitudinal wall 10 '.
  • each band 40 extends only over a portion of the height of the feet, so as not to interfere with the interlocking between pallets.
  • the pallet 1 above above which is reported an identical pallet 51.
  • the mechanical elements of the latter are assigned the same reference numbers as those of the pallet 1, increased by 50.
  • the different feet 80 of the upper pallet 51 penetrate into the interior volume of the hollow feet 30 of the lower pallet 1, with a view to their mutual interlocking.
  • the lower part of each joining strip 90, belonging to the pallet 51 abuts against the wall opposite the lower connecting strip 40.
  • this strip is formed of three sections or branches, namely firstly two end sections 42 and 44, parallel to the transverse axis T. P42 and P44 are noted the respective connection points, the first section 42 on the longitudinal wall 10 and the second section 44 on the beach 14. Finally, these two sections are connected by an intermediate section 46, which is however parallel to the longitudinal axis L.
  • the strip thus has approximately a shape of S or Z, being symmetrical with respect to the transverse axis T.
  • This strip extends obliquely with respect to the axis T, that is to say that it does not extend rectilinearly along this axis.
  • this band 40 extends on either side of this axis T.
  • the two connection points P42 and P44 are mutually offset, along the longitudinal axis L, namely that they are placed on either side of the medial transverse axis T.
  • the joining strip 140 also has a roughly S-shaped profile or Z.
  • the various sections 142, 144 and 146 have a slightly rounded profile, and not strictly rectilinear.
  • junction strip 240 formed by a main rectilinear section 246, extending obliquely to the axis T, without being perpendicular thereto.
  • This section is extended by two flared zones 242 and 244, providing the connection respectively with the enclosure wall and the beach.
  • This band 240 is also symmetrical with respect to the transverse axis T.
  • the joining strip 340 is formed by a median section 346, which extends obliquely with respect to the axis T, without being perpendicular thereto. This section is extended by two end sections 342 and 344, also oblique. Thus, this band 340 has approximately a Z or S shape, being symmetrical about the median axis T.
  • the joining strip 440 also has a roughly Z-shaped profile or S.
  • the various sections 442, 444 and 446 have a slightly rounded profile, and not strictly rectilinear.
  • the figure 12 is a perspective view illustrating a pallet according to a further variant embodiment of the invention.
  • the mechanical elements similar to those of the pallet of the figure 1 there are assigned the same reference numbers, increased by 500.
  • the palette 501 of the figure 12 differs from that 1 shown in figure 1 , in particular in that it has smaller dimensions. Thus, it comprises only two rows, each composed of two feet.
  • the two "rear" legs 532 1 and 532 2 are adjacent to the front wall 512 ', while the other end wall 512 is not associated with a row of feet.
  • the two intermediate legs 534 1 and 534 2 are spaced apart, not only from the wall 512 ', but also from that 512 being separated from the latter by an extension of material 535.
  • the range 514 is connected to the walls 510 and 510 ', at the intermediate legs 534 1 and 534 2 , by respective junction areas 540 1 and 540 2 .
  • These latter have a profile in S or Z, similar to that more particularly illustrated on the figure 4 .
  • the median transverse axis T has been reported on this figure 12 .
  • these junction zones affect the profile of one or the other of the variants, illustrated on the Figures 8 to 11 .
  • junction areas 540 1 and 540 2 whose profile is oblique, provides an advantage in terms of rigidity as explained above. In addition, this allows to better distribute the load that will receive the pallet and better balance. Thus the merchandise, especially of the tray or cardboard type, has improved support because it limits the size of the opening, delimited by the hollow intermediate foot.
  • the invention achieves the previously mentioned objectives.
  • this junction zone makes it possible to better distribute, on either side of this transverse axis, the mechanical stresses that are exerted on the pallet. Under these conditions, depending on the use of the rack pallet, static or dynamic, the risk of breakage and / or deformation of the pallet, at this axis, are reduced. This advantage is also found in the case of a pallet whose intermediate legs are arranged according to the arrangement of the figure 12 .
  • FIG 3 illustrates an advantageous embodiment of the invention. Note that this variant can be implemented in combination with one or the other of the embodiments above, insofar as it contributes to increasing the overall strength of the pallet. However, as an alternative, it can be used for conventional pallets, such as SF 800 NR described above, whose junction area extends transversely and rectilinearly.
  • This figure illustrates the palette of the invention, end view. There are thus the three front feet 30 1 to 30 3 , and the front end of each beach 14 and 14 'forming the plate. As can be seen, these beaches have a relatively large thickness, and are dug chambers 16 and 16 'which extend over the entire length of these beaches.
  • These chambers forming hollow bodies, define an upper skin 17, 17 'and a lower skin 18, 18' of the respective range 14, 14 '. This makes it possible to impart increased rigidity to these areas and, consequently, to the entire pallet.
  • each chamber 16 or 16 ' has approximately a rectangular shape, delimiting a rib 19, 19' in the lower skin.
  • it can be expected to use other forms, including round, oval, triangular, orthogonal, or hexagonal.
  • the joining strips have a different profile from those illustrated in the figures.
  • such an alternating profile may correspond to a symmetry, with respect to the median transverse axis, of one or the other of the profiles represented.
  • the invention finds application to pallets having a different number of feet, compared to those described above.
  • more than three rows can be provided, in which case the pallet is equipped with at least two rows of so-called intermediate feet, within the meaning of the invention.
  • the tray is formed of a single beach, separated from the side walls opposite.
  • the or each row consists of two intermediate legs, associated with two junction zones.
  • the plate comprises at least three parallel beaches between them.
  • each row is formed of at least four intermediate feet, associated with a corresponding number of junction zones.
  • At least one range of the plate is extended by a return, extending towards a longitudinal wall opposite.
  • the or each range of the tray can be perforated, in a manner known per se.
  • the pallet according to the invention comprises at least two joining strips.
  • these joining strips has (s) a profile according to the invention, as described in the accompanying figures.
  • the other band (s) present (s) a rectilinear profile, as in the prior art.
  • the pallet can be made from any suitable plastic material, using any suitable manufacturing process.
  • suitable plastic material such as high-pressure plastic injection, low-pressure plastic injection, and thermoforming.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)

Abstract

The pallet (1) has a plate formed by sections (14, 14') extending along a main longitudinal direction of the pallet. Intermediate feet (34-1-34-3) are located between front feet (30-1-30-3) and rear feet (32-1-32-3). Middle material strips (40-1-40-3) form junction zones respectively located at the intermediate feet, where each zone is extended between the adjacent sections or one of the sections and one of longitudinal walls (10, 10'). The zone is extended in oblique manner with respect to a middle transverse axis of the zone. The zone is symmetric with respect to the middle transverse axis.

Description

L'invention concerne une palette de manutention en matière plastique.The invention relates to a plastic handling pallet.

Les palettes de manutention sont traditionnellement réalisées en bois. On connaît aussi des palettes de manutention en matière plastique, généralement obtenues par moulage. Ce type de palettes est par exemple décrit dans les brevets français 2 070 367 , 2 172 412 et 2 259 023 , ou encore dans la demande de brevet européen 1 190 953 .Handling pallets are traditionally made of wood. Handling pallets made of plastic, generally obtained by molding, are also known. This type of pallet is for example described in French patents 2,070,367 , 2,172,412 and 2,259,023 , or in the European patent application 1,190,953 .

La présente invention vise plus particulièrement une palette, du type de celle commercialisée par la demanderesse sous la référence SF 800 NR. Cette réalisation comprend tout d'abord un plateau ajouré, formé par deux plages longitudinales de matière. Ces dernières sont entourées par des parois périphériques, formant globalement un rectangle, dont les petits côtés sont formés par des parois frontales et les grands côtés par des parois longitudinales.The present invention is more particularly a pallet, of the type sold by the applicant under the reference SF 800 NR. This embodiment comprises firstly a perforated plate, formed by two longitudinal areas of material. The latter are surrounded by peripheral walls, generally forming a rectangle, whose short sides are formed by front walls and the long sides by longitudinal walls.

De plus, cette palette est équipée de pieds, répartis en trois rangées de trois. On retrouve ainsi des rangées de pieds respectivement « avant » et « arrière », en référence à l'axe longitudinal de la palette, qui sont adjacentes à l'un ou l'autre des bords frontaux. On désigne aussi des pieds dits « intermédiaires », situés entre les rangées avant et arrière précitées, qui sont par conséquents distants des deux parois frontales.In addition, this palette is equipped with feet, divided into three rows of three. There are thus rows of feet respectively "before" and "back", with reference to the longitudinal axis of the pallet, which are adjacent to one or the other of the front edges. Also referred to as "intermediate" feet, located between the aforementioned front and rear rows, which are consequently distant from the two front walls.

Du fait de la structure même de la palette, chaque plage est séparée, soit de la plage qui lui est adjacente, soit des parois d'enceinte, par un espace intercalaire. Des zones de jonction, sous forme d'une bande de matière rectiligne, s'étendent à travers ces espaces intercalaires, au niveau des pieds intermédiaires. De telles zones relient par conséquent deux à deux les plages du plateau et les parois d'enceinte.Due to the very structure of the pallet, each beach is separated, either from the beach which is adjacent to it, or from the walls of the enclosure, by an interspace. Joining areas in the form of a strip of rectilinear material extend through these interspaces at the level of the intermediate legs. Such areas therefore connect two by two the shelf areas and the walls of the enclosure.

Cette palette SF 800 NR se révèle globalement satisfaisante, ce qui est d'ailleurs confirmé par le succès commercial dont elle bénéficie. Cependant, la présente invention vise à améliorer encore cette palette, notamment en termes de résistance et de rigidité.This SF 800 NR pallet is generally satisfactory, which is also confirmed by the commercial success it enjoys. However, the present invention aims to further improve this palette, especially in terms of strength and rigidity.

A cet effet, elle a pour objet une palette de manutention en matière plastique, comprenant :

  • des parois périphériques d'enceinte, comprenant des parois longitudinales et des parois frontales,
  • un plateau formé par au moins une plage s'étendant selon une direction longitudinale principale de la palette,
  • des pieds comprenant au moins une rangée d'au moins deux pieds intermédiaires, distants des deux parois frontales,
  • des zones de jonction situées au niveau de chaque pied intermédiaire, chaque zone de jonction s'étendant entre, soit deux plages adjacentes, soit une plage et la paroi longitudinale qui lui est adjacente,
caractérisée en ce que
au moins une zone de jonction s'étend de façon oblique par rapport à un axe transversal médian de cette zone.For this purpose, it relates to a plastic handling pallet, comprising:
  • peripheral walls of the enclosure, comprising longitudinal walls and end walls,
  • a plate formed by at least one beach extending in a main longitudinal direction of the pallet,
  • feet comprising at least one row of at least two intermediate feet, spaced from the two end walls,
  • junction areas located at each intermediate foot, each junction zone extending between, or two adjacent beaches, or a beach and the longitudinal wall adjacent thereto,
characterized in that
at least one junction zone extends obliquely with respect to a median transverse axis of this zone.

L'idée à la base de l'invention est de prévoir une zone de jonction qui ne s'étend pas de façon rectiligne, le long d'un axe transversal de la palette. Ceci permet de mieux répartir, de part et d'autre de cet axe transversal, les contraintes mécaniques qui s'exercent sur la palette.The idea underlying the invention is to provide a junction zone that does not extend rectilinearly along a transverse axis of the pallet. This makes it possible to better distribute, on either side of this transverse axis, the mechanical stresses that are exerted on the pallet.

La palette de l'invention peut présenter les caractéristiques avantageuses suivantes :

  • chaque zone de jonction est symétrique par rapport audit axe transversal médian.
  • chaque zone de jonction comprend au moins un tronçon oblique, en particulier perpendiculaire, en référence audit axe transversal médian.
  • il est prévu un tronçon intermédiaire oblique, prolongé par deux tronçons d'extrémité, assurant le raccordement avec une plage ou une paroi périphérique respective.
  • le tronçon intermédiaire oblique est longitudinal, alors que les deux tronçons d'extrémité sont transversaux.
  • chaque zone de jonction comprend trois tronçons obliques.
  • les points de raccordement de chaque zone de jonction, avec une plage ou une paroi périphérique respective, sont décalés l'un par rapport à l'autre en référence audit axe transversal médian.
  • chaque pied intermédiaire comprend deux demi-coques et, en vue de dessus, la bande de jonction s'étend entre ces deux demi-coques.
  • les pieds intermédiaires sont situés entre des pieds dit « avant » et des pieds dits « arrière » en référence à la direction longitudinale principale, ces pieds avant et arrière étant placés au niveau d'une paroi frontale respective.
  • les pieds intermédiaires sont distants d'une première paroi frontale associée à une première rangée de pieds, et sont séparés de l'autre paroi frontale, qui n'est pas associée à une rangée de pieds, par une extension de matière.
  • la ou chaque plage comprend une peau supérieure et une peau inférieure, cette plage étant creusée d'au moins une chambre débouchant à ses deux extrémités longitudinales.
The palette of the invention may have the following advantageous characteristics:
  • each junction zone is symmetrical with respect to said median transverse axis.
  • each junction zone comprises at least one oblique section, in particular perpendicular, with reference to said median transverse axis.
  • there is provided an oblique intermediate section, extended by two end sections, providing the connection with a beach or a respective peripheral wall.
  • the oblique intermediate section is longitudinal, while the two end sections are transverse.
  • each junction zone comprises three oblique sections.
  • the connection points of each junction zone, with a respective peripheral area or wall, are offset with respect to each other with respect to said median transverse axis.
  • each intermediate foot comprises two half-shells and, in view from above, the joining strip extends between these two half-shells.
  • the intermediate feet are located between so-called feet "front" and so-called feet "back" with reference to the main longitudinal direction, these front and rear feet being placed at a respective front wall.
  • the intermediate legs are spaced apart from a first front wall associated with a first row of feet, and are separated from the other end wall, which is not associated with a row of feet, by an extension of material.
  • the or each beach comprises an upper skin and a lower skin, this range being hollowed out of at least one chamber opening at its two longitudinal ends.

L'invention sera mieux comprise à la lecture de la description ci-après, donnée à titre d'exemple nullement limitatif de l'invention, en référence aux dessins annexés, dans lesquels :

  • La figure 1 est une vue en perspective d'une palette de manutention selon l'invention ;
  • La figure 2 est une vue de côté de la palette illustrée à la figure 1 ;
  • La figure 3 est une vue en bout de cette palette ;
  • La figure 4 est une vue de dessus de cette palette ;
  • La figure 5 est une vue en perspective, avec une coupe transversale selon la ligne V-V de la figure 1, illustrant plus particulièrement une zone de jonction de cette palette ;
  • La figure 6 est une vue en perspective, avec une coupe longitudinale selon la ligne VI-VI de la figure 1, illustrant sous un autre angle cette zone de jonction ;
  • La figure 7 est une vue en perspective, avec arrachement longitudinal comme sur la figure 6, illustrant l'emboîtement de deux palettes conformes à l'invention ;
  • Les figures 8 à 11 sont des vues de dessus d'une partie de la palette, illustrant des zones de jonction conformes à différentes variantes de réalisation de l'invention ; et
  • La figure 12 est une vue en perspective, illustrant une palette conforme à une variante supplémentaire de réalisation de l'invention.
The invention will be better understood on reading the description given below, given by way of non-limiting example of the invention, with reference to the appended drawings, in which:
  • The figure 1 is a perspective view of a handling pallet according to the invention;
  • The figure 2 is a side view of the pallet shown in the figure 1 ;
  • The figure 3 is an end view of this palette;
  • The figure 4 is a top view of this palette;
  • The figure 5 is a perspective view, with a cross-section along the line VV of the figure 1 , illustrating more particularly a junction zone of this pallet;
  • The figure 6 is a perspective view, with a longitudinal section along the line VI-VI of the figure 1 , illustrating from another angle this junction zone;
  • The figure 7 is a perspective view, with longitudinal tearing as on the figure 6 illustrating the interlocking of two pallets according to the invention;
  • The Figures 8 to 11 are top views of a portion of the pallet, illustrating junction zones according to different embodiments of the invention; and
  • The figure 12 is a perspective view illustrating a pallet according to a further variant embodiment of the invention.

La palette de manutention 1 conforme à l'invention, laquelle est illustrée en référence aux figures 1 à 7, est réalisée en matière plastique, par exemple en polyéthylène haute densité ou en polypropylène et, de manière générale, en toute matière plastique injectable. Elle est formée par tout procédé approprié, notamment par injection plastique haute pression ou basse pression. A titre purement illustratif, elle présente une longueur L de 1200 mm, une largeur l de 800 mm et une hauteur H de 160 mm environ, cette hauteur pouvant varier en fonction du besoin.The handling pallet 1 according to the invention, which is illustrated with reference to the Figures 1 to 7 is made of plastic, for example high density polyethylene or polypropylene and, in general, any injectable plastic material. It is formed by any suitable method, in particular by high pressure or low pressure plastic injection. For purely illustrative purposes, it has a length L of 1200 mm, a width l of 800 mm and a height H of about 160 mm, this dimension may vary according to need.

Cette palette comprend tout d'abord des parois périphériques d'enceinte, formant globalement un rectangle en vue de dessus. On désigne ainsi par 10 et 10' les parois longitudinales et par 12 et 12' les parois frontales respectivement « avant » et « arrière », correspondant respectivement aux grands côtés et aux petits côtés de ce rectangle.This pallet firstly comprises peripheral enclosure walls, forming generally a rectangle in plan view. The longitudinal walls are thus designated by 10 and 10 'and the front walls 12' and 12 'respectively "front" and "rear" respectively corresponding to the long sides and the short sides of this rectangle.

La palette est par ailleurs pourvue d'un plateau de réception des marchandises, lequel se compose de deux plages longitudinales de matière 14 et 14'. En d'autres termes, ces plages s'étendent parallèlement aux parois 10. On note L la direction longitudinale de l'ensemble de la palette, direction à laquelle est parallèle l'axe principal de chaque plage.The pallet is also provided with a goods receiving tray, which consists of two longitudinal areas of material 14 and 14 '. In other words, these ranges extend parallel to the walls 10. L denotes the longitudinal direction of the entire pallet, which direction is parallel to the main axis of each range.

Les deux plages 14 et 14' définissent un premier espace intercalaire 20, dit central. De plus, chaque bande définit, avec une paroi longitudinale en regard 10 ou 10', deux espaces intercalaires latéraux 22 et 22'. Différents pieds de la palette sont formés, au niveau de ces espaces intercalaires.The two beaches 14 and 14 'define a first interspace 20, called central. In addition, each band defines, with a longitudinal wall facing 10 or 10 ', two lateral spacer spaces 22 and 22'. Different feet of the pallet are formed at these interspaces.

De façon plus précise, on retrouve trois rangées, comportant trois pieds chacune. En référence à la figure 1, on retrouve des pieds avant 301 à 303 et des pieds arrière 321 à 323, respectivement adjacents aux parois frontales 12 et 12'. On désigne aussi par 341 à 343 des pieds dits « intermédiaires », situés entre les pieds avant et arrière, qui sont par conséquent distants des deux parois frontales 12 et 12'. Les différents pieds décrits ci-dessus sont creux, afin de permettre leur emboîtement avec des pieds d'une palette adjacente. En partie basse, les pieds d'une même ligne sont reliés de façon connue en soi par des semelles, dont seules celles 351 sont visibles sur la figure 1.More precisely, there are three rows with three feet each. With reference to the figure 1 there are front feet 30 1 to 30 3 and rear legs 32 1 to 32 3 , respectively adjacent to the front walls 12 and 12 '. Also referred to as 34 1 to 34 3 so-called "intermediate" feet, located between the front and rear feet, which are therefore remote from the two end walls 12 and 12 '. The different feet described above are hollow, to allow their interlocking with feet of an adjacent pallet. In lower part, the feet of the same line are connected in known manner by soles, of which only those 1 are visible on the figure 1 .

De plus, chacun des trois pieds intermédiaires 341 à 343 est divisé en deux coques 361, 361' à 363, 363', chaque couple de coques étant séparée par une bande de matière médiane 401 à 403, formant zone de jonction. De façon plus précise, la bande 401 relie la première paroi longitudinale 10 et la première plage 14, la bande 402 relie mutuellement les deux plages 14 et 14', alors que la bande 403 relie la seconde plage 14' et l'autre paroi longitudinale 10'.In addition, each of the three intermediate feet 34 1 to 34 3 is divided into two shells 36 1 , 36 1 'to 36 3 , 36 3 ', each pair of shells being separated by a median material strip 40 1 to 40 3 , forming junction area. More specifically, the band 40 1 connects the first longitudinal wall 10 and the first band 14, the band 40 2 interconnects the two pads 14 and 14 ', while the band 40 3 connects the second pad 14' and the pad. another longitudinal wall 10 '.

Comme l'illustre plus particulièrement la figure 7, chaque bande 40 s'étend seulement sur une partie de la hauteur des pieds, de façon à ne pas interférer sur l'emboîtement entre palettes. Sur cette figure, on retrouve la palette 1 ci-dessus, au-dessus de laquelle est rapportée une palette identique 51. Les éléments mécaniques de cette dernière sont affectés des mêmes numéros de référence que ceux de la palette 1, augmentés de 50.As illustrated particularly figure 7 each band 40 extends only over a portion of the height of the feet, so as not to interfere with the interlocking between pallets. In this figure, we find the pallet 1 above, above which is reported an identical pallet 51. The mechanical elements of the latter are assigned the same reference numbers as those of the pallet 1, increased by 50.

Les différents pieds 80 de la palette supérieure 51 pénètrent dans le volume intérieur des pieds creux 30 de la palette inférieure 1, en vue de leur emboîtement mutuel. De plus, la partie basse de chaque bande de jonction 90, appartenant à la palette 51, vient en butée contre la paroi en regard de la bande de jonction inférieure 40.The different feet 80 of the upper pallet 51 penetrate into the interior volume of the hollow feet 30 of the lower pallet 1, with a view to their mutual interlocking. In addition, the lower part of each joining strip 90, belonging to the pallet 51, abuts against the wall opposite the lower connecting strip 40.

Il existe en outre un jeu fonctionnel entre les surfaces en regard des deux palettes, à la fois selon l'axe longitudinal L et l'axe transversal T, afin de favoriser cet emboîtement. Les plages 14 et 14' sont elles aussi en appui avec la palette 51, afin de mieux répartir la masse de la palette supérieure pour éviter toute déformation de celle-ci.There is also a functional clearance between the facing surfaces of the two pallets, both along the longitudinal axis L and the transverse axis T, to promote this interlocking. The beaches 14 and 14 'are also supported with the pallet 51, to better distribute the mass of the upper pallet to prevent any deformation thereof.

On va maintenant décrire plus en détail le profil de l'une 401 de ces bandes de jonction, étant entendu que les deux autres ont un profil identique. On note tout d'abord T l'axe transversal, à savoir perpendiculaire à celui L ci-dessus, qui passe par le milieu de cette bande.We will now describe in more detail the profile of one 40 1 of these tapes, it being understood that the other two have an identical profile. We first note the transverse axis, ie perpendicular to that L above, which passes through the middle of this band.

En référence notamment à la figure 4, cette bande est formée de trois tronçons ou branches, à savoir tout d'abord deux tronçons d'extrémité 42 et 44, parallèles à l'axe transversal T. On note P42 et P44 les points de raccordement respectifs, du premier tronçon 42 sur la paroi longitudinale 10 et du second tronçon 44 sur la plage 14. Enfin, ces deux tronçons sont reliés par un tronçon intermédiaire 46, qui est en revanche parallèle à l'axe longitudinal L.With reference in particular to the figure 4 this strip is formed of three sections or branches, namely firstly two end sections 42 and 44, parallel to the transverse axis T. P42 and P44 are noted the respective connection points, the first section 42 on the longitudinal wall 10 and the second section 44 on the beach 14. Finally, these two sections are connected by an intermediate section 46, which is however parallel to the longitudinal axis L.

La bande présente donc à peu près une forme de S ou de Z, en étant symétrique par rapport à l'axe transversal T. Cette bande s'étend de façon oblique par rapport à l'axe T, c'est-à-dire qu'elle ne s'étend pas de façon rectiligne le long de cet axe. En d'autres termes, cette bande 40 s'étend de part et d'autre de cet axe T. Ainsi, les deux points de raccordement P42 et P44 sont décalés mutuellement, selon l'axe longitudinal L, à savoir qu'ils sont placés de part et d'autre de l'axe transversal médian T.The strip thus has approximately a shape of S or Z, being symmetrical with respect to the transverse axis T. This strip extends obliquely with respect to the axis T, that is to say that it does not extend rectilinearly along this axis. In other words, this band 40 extends on either side of this axis T. Thus, the two connection points P42 and P44 are mutually offset, along the longitudinal axis L, namely that they are placed on either side of the medial transverse axis T.

Dans ce qui suit, on va maintenant présenter différentes variantes de réalisation, en ce qui concerne le profil de la bande de jonction. Au fil de la présentation de ces variantes, on augmentera à chaque fois de 100 les numéros de référence utilisés, pour les mêmes éléments mécaniques.In what follows, we will now present various embodiments, with respect to the profile of the joining strip. As these variants are presented, the reference numbers used for the same mechanical elements will be increased by 100 each time.

Ainsi, à la figure 8, la bande de jonction 140 présente également un profil à peu près en forme de S ou de Z. Cependant, à la différence du premier mode, les différents tronçons 142, 144 et 146 possèdent un profil légèrement arrondi, et non pas strictement rectiligne.So, at the figure 8 , the joining strip 140 also has a roughly S-shaped profile or Z. However, unlike the first mode, the various sections 142, 144 and 146 have a slightly rounded profile, and not strictly rectilinear.

A la figure 9, on retrouve une bande de jonction 240 formée par un tronçon rectiligne principal 246, s'étendant de façon oblique par rapport à l'axe T, sans être perpendiculaire à ce dernier. Ce tronçon est prolongé par deux zones évasées 242 et 244, assurant le raccordement respectivement avec la paroi d'enceinte et la plage. Cette bande 240 est également symétrique par rapport à l'axe transversal T.To the figure 9 , there is a junction strip 240 formed by a main rectilinear section 246, extending obliquely to the axis T, without being perpendicular thereto. This section is extended by two flared zones 242 and 244, providing the connection respectively with the enclosure wall and the beach. This band 240 is also symmetrical with respect to the transverse axis T.

A la figure 10, la bande de jonction 340 est formée par un tronçon médian 346, qui s'étend de façon oblique par rapport à l'axe T, sans être perpendiculaire à ce dernier. Ce tronçon est prolongé par deux tronçons d'extrémité 342 et 344, également obliques. Ainsi, cette bande 340 présente à peu près une forme de Z ou de S, en étant symétrique par rapport à l'axe médian T.To the figure 10 , the joining strip 340 is formed by a median section 346, which extends obliquely with respect to the axis T, without being perpendicular thereto. This section is extended by two end sections 342 and 344, also oblique. Thus, this band 340 has approximately a Z or S shape, being symmetrical about the median axis T.

Enfin, à la figure 11, la bande de jonction 440 présente également un profil à peu près en forme de Z ou de S. Cependant, à la différence du mode de réalisation immédiatement ci-dessus, les différents tronçons 442, 444 et 446 possèdent un profil légèrement arrondi, et non pas strictement rectiligne.Finally, at the figure 11 , the joining strip 440 also has a roughly Z-shaped profile or S. However, unlike the mode of realization immediately above, the various sections 442, 444 and 446 have a slightly rounded profile, and not strictly rectilinear.

La figure 12 est une vue en perspective, illustrant une palette conforme à une variante supplémentaire de réalisation de l'invention. Sur cette figure, les éléments mécaniques analogues à ceux de la palette de la figure 1 y sont affectés des mêmes numéros de référence, augmentés de 500.The figure 12 is a perspective view illustrating a pallet according to a further variant embodiment of the invention. In this figure, the mechanical elements similar to those of the pallet of the figure 1 there are assigned the same reference numbers, increased by 500.

La palette 501 de la figure 12 diffère de celle 1 représentée à la figure 1, notamment en ce qu'elle présente des dimensions plus réduites. Ainsi, elle comprend seulement deux rangées, composées chacune de deux pieds. Les deux pieds « arrière » 5321 et 5322 sont adjacents à la paroi frontale 512', alors que l'autre paroi frontale 512 n'est pas associée à une rangée de pieds.The palette 501 of the figure 12 differs from that 1 shown in figure 1 , in particular in that it has smaller dimensions. Thus, it comprises only two rows, each composed of two feet. The two "rear" legs 532 1 and 532 2 are adjacent to the front wall 512 ', while the other end wall 512 is not associated with a row of feet.

Dans ces conditions, les deux pieds intermédiaires 5341 et 5342 sont distants, non seulement de la paroi 512', mais également de celle 512 en étant séparés de cette dernière par une extension de matière 535. On retrouve également une unique plage 514 formant le plateau, laquelle est pourvue de retours 5141 s'étendant en direction des parois longitudinales 510 et 510'.Under these conditions, the two intermediate legs 534 1 and 534 2 are spaced apart, not only from the wall 512 ', but also from that 512 being separated from the latter by an extension of material 535. There is also a single range 514 forming the tray, which is provided with returns 514 1 extending towards the longitudinal walls 510 and 510 '.

Comme dans le premier mode de réalisation la plage 514 est reliée aux parois 510 et 510', au niveau des pieds intermédiaires 5341 et 5342, par des zones de jonction respectives 5401 et 5402. Ces dernières présentent un profil en S ou Z, analogue à celui plus particulièrement illustré sur la figure 4. A cet égard, on a reporté l'axe transversal médian T, sur cette figure 12. Bien entendu, on pourrait prévoir que ces zones de jonction affectent le profil de l'une ou l'autre des variantes, illustrées sur les figures 8 à 11.As in the first embodiment the range 514 is connected to the walls 510 and 510 ', at the intermediate legs 534 1 and 534 2 , by respective junction areas 540 1 and 540 2 . These latter have a profile in S or Z, similar to that more particularly illustrated on the figure 4 . In this respect, the median transverse axis T has been reported on this figure 12 . Of course, one could predict that these junction zones affect the profile of one or the other of the variants, illustrated on the Figures 8 to 11 .

Le fait de prévoir des zones de jonction 5401 et 5402, dont le profil est oblique, assure un avantage en termes de rigidité comme explicité ci-dessus. De plus, ceci permet de mieux répartir le chargement que va recevoir la palette et de mieux l'équilibrer. Ainsi la marchandise, notamment de type bac ou carton, bénéficie d'un d'appui amélioré car on limite la taille de l'ouverture, délimitée par le pied intermédiaire creux.The fact of providing junction areas 540 1 and 540 2 , whose profile is oblique, provides an advantage in terms of rigidity as explained above. In addition, this allows to better distribute the load that will receive the pallet and better balance. Thus the merchandise, especially of the tray or cardboard type, has improved support because it limits the size of the opening, delimited by the hollow intermediate foot.

L'invention permet d'atteindre les objectifs précédemment mentionnés.The invention achieves the previously mentioned objectives.

On notera tout d'abord qu'il est du mérite de la demanderesse, d'avoir identifié que la zone de faiblesse de la palette antérieure SF 800 NR se situe plus particulièrement au niveau des pieds intermédiaires. Dans ces conditions, le fait de prévoir une zone de jonction oblique, qui s'étend de part et d'autre d'un axe transversal médian de la palette, confère une rigidité accrue à cette dernière.It should first be noted that it is the merit of the plaintiff, to have identified that the weak zone of the former pallet SF 800 NR is located especially at the intermediate feet. Under these conditions, the fact of providing an oblique junction zone, which extends on either side of a median transverse axis of the pallet, gives increased rigidity to the latter.

En effet, le profil de cette zone de jonction permet de mieux répartir, de part et d'autre de cet axe transversal, les contraintes mécaniques qui s'exercent sur la palette. Dans ces conditions, en fonction de l'utilisation de la palette en rack, en statique ou en dynamique, les risques de casse et/ou de déformation de la palette, au niveau de cet axe, sont réduits. On retrouve également cet avantage, dans le cas d'une palette dont les pieds intermédiaires sont disposés selon l'agencement de la figure 12.In fact, the profile of this junction zone makes it possible to better distribute, on either side of this transverse axis, the mechanical stresses that are exerted on the pallet. Under these conditions, depending on the use of the rack pallet, static or dynamic, the risk of breakage and / or deformation of the pallet, at this axis, are reduced. This advantage is also found in the case of a pallet whose intermediate legs are arranged according to the arrangement of the figure 12 .

La figure 3 illustre une variante de réalisation avantageuse de l'invention. On notera que cette variante peut être mise en oeuvre en combinaison avec l'un ou l'autre des modes de réalisation ci-dessus, dans la mesure où elle concourt à augmenter la résistance globale de la palette. Cependant, à titre de variante, elle peut être utilisée pour des palettes classiques, telles que celle SF 800 NR décrite ci-dessus, dont la zone de jonction s'étend transversalement et de manière rectiligne.The figure 3 illustrates an advantageous embodiment of the invention. Note that this variant can be implemented in combination with one or the other of the embodiments above, insofar as it contributes to increasing the overall strength of the pallet. However, as an alternative, it can be used for conventional pallets, such as SF 800 NR described above, whose junction area extends transversely and rectilinearly.

Cette figure illustre la palette de l'invention, vue en bout. On y retrouve ainsi les trois pieds avant 301 à 303, ainsi que l'extrémité avant de chaque plage 14 et 14' formant le plateau. Comme cela est visible, ces plages présentent une épaisseur relativement importante, et sont creusées de chambres 16 et 16' qui s'étendent sur toute la longueur de ces plages.This figure illustrates the palette of the invention, end view. There are thus the three front feet 30 1 to 30 3 , and the front end of each beach 14 and 14 'forming the plate. As can be seen, these beaches have a relatively large thickness, and are dug chambers 16 and 16 'which extend over the entire length of these beaches.

Ces chambres, formant des corps creux, définissent une peau supérieure 17, 17' et une peau inférieure 18, 18' de la plage respective 14, 14'. Ceci permet de conférer une rigidité accrue à ces plages et, par conséquent, à l'ensemble de la palette.These chambers, forming hollow bodies, define an upper skin 17, 17 'and a lower skin 18, 18' of the respective range 14, 14 '. This makes it possible to impart increased rigidity to these areas and, consequently, to the entire pallet.

Dans l'exemple illustré, chaque chambre 16 ou 16' présente à peu près une forme rectangulaire, en délimitant une nervure 19, 19' dans la peau inférieure. Cependant, on peut prévoir d'utiliser d'autres formes, notamment des formes rondes, ovales, triangulaires, orthogonales, ou encore hexagonales. De plus, dans cet exemple, il est prévu deux chambres par plage du plateau. Cependant on peut ménager, dans chaque plage, une unique chambre ou au contraire plusieurs de celles-ci.In the illustrated example, each chamber 16 or 16 'has approximately a rectangular shape, delimiting a rib 19, 19' in the lower skin. However, it can be expected to use other forms, including round, oval, triangular, orthogonal, or hexagonal. In addition, in this example, there are two rooms per shelf beach. However, there may be provided in each beach, a single chamber or on the contrary several of them.

L'invention n'est pas limitée aux exemples décrits et représentés.The invention is not limited to the examples described and shown.

Ainsi, on peut prévoir que les bandes de jonction présentent un profil différent, de ceux illustrés sur les figures. En particulier, un tel profil alternatif peut correspondre à une symétrie, par rapport à l'axe transversal médian, de l'un ou l'autre des profils représentés.Thus, it can be provided that the joining strips have a different profile from those illustrated in the figures. In particular, such an alternating profile may correspond to a symmetry, with respect to the median transverse axis, of one or the other of the profiles represented.

En outre, l'invention trouve son application à des palettes présentant un nombre de pieds différent, par rapport à celles décrites ci-dessus. Ainsi, on peut prévoir plus de trois rangées, auquel cas la palette est équipée d'au moins deux rangées de pieds dits intermédiaires, au sens de l'invention.In addition, the invention finds application to pallets having a different number of feet, compared to those described above. Thus, more than three rows can be provided, in which case the pallet is equipped with at least two rows of so-called intermediate feet, within the meaning of the invention.

De plus on peut prévoir, comme sur la figure 12, que le plateau est formé d'une unique plage, séparée des parois latérales en regard. Dans ce cas, la ou chaque rangée est constituée de deux pieds intermédiaires, associés à deux zones de jonction.Moreover one can foresee, as on the figure 12 , that the tray is formed of a single beach, separated from the side walls opposite. In this case, the or each row consists of two intermediate legs, associated with two junction zones.

En revanche, on peut prévoir que le plateau comprend au moins trois plages parallèles entre elles. Dans ce cas, chaque rangée est formée d'au moins quatre pieds intermédiaires, associés à un nombre correspondant de zones de jonction.However, it can be expected that the plate comprises at least three parallel beaches between them. In this case, each row is formed of at least four intermediate feet, associated with a corresponding number of junction zones.

On peut également prévoir, comme sur la figure 12, qu'au moins une plage du plateau est prolongée par un retour, s'étendant en direction d'une paroi longitudinale en regard. De plus, la ou chaque plage du plateau peut être ajourée, de façon connue en soi.We can also provide, as on the figure 12 , that at least one range of the plate is extended by a return, extending towards a longitudinal wall opposite. In addition, the or each range of the tray can be perforated, in a manner known per se.

Comme cela ressort de ce qui précède, la palette conforme à l'invention comprend au moins deux bandes de jonction. A titre de variante, on peut prévoir que seulement une ou certaines parmi ces bandes de jonction présente(nt) un profil conforme à l'invention, tel que décrit dans les figures jointes. Dans ce cas, l'autre ou les autres bande(s) présente(nt) un profil rectiligne, tel que dans l'art antérieur.As is apparent from the above, the pallet according to the invention comprises at least two joining strips. Alternatively, it can be expected that only one or more of these joining strips has (s) a profile according to the invention, as described in the accompanying figures. In this case, the other band (s) present (s) a rectilinear profile, as in the prior art.

Enfin, la palette peut être réalisée à partir de toute matière plastique appropriée, en utilisant tout procédé de fabrication adéquat. A cet égard, on citera notamment l'injection plastique haute pression, l'injection plastique basse pression, ou encore le thermoformage.Finally, the pallet can be made from any suitable plastic material, using any suitable manufacturing process. In this respect, These include high-pressure plastic injection, low-pressure plastic injection, and thermoforming.

Claims (11)

Palette (1) de manutention en matière plastique, comprenant : - des parois périphériques d'enceinte, comprenant des parois longitudinales (10, 10' ; 510, 510') et des parois frontales (12, 12' ; 512, 512'), - un plateau formé par au moins une plage (14, 14' ; 514) s'étendant selon une direction longitudinale (L) principale de la palette, - des pieds (30, 32, 34 ; 532, 534), comprenant au moins une rangée d'au moins deux pieds intermédiaires (34 ; 534), distants des deux parois frontales (12, 12' ; 512, 512'), - des zones de jonction (40 ; 140 ; 240 ; 340 ; 440 ; 540) situées au niveau de chaque pied intermédiaire, chaque zone de jonction s'étendant entre, soit deux plages adjacentes (14, 14'), soit une plage (14, 14' ; 514) et la paroi longitudinale (10, 10' ; 510, 510') qui lui est adjacente,
caractérisée en ce que
au moins une zone de jonction (40 ; 140 ; 240 ; 340 ; 440 ; 540) s'étend de façon oblique par rapport à un axe transversal médian (T) de cette zone. Pallet (1) of plastic handling, comprising: enclosure peripheral walls comprising longitudinal walls (10, 10 ', 510, 510') and end walls (12, 12 ', 512, 512'), a tray formed by at least one strip (14, 14 '; 514) extending in a longitudinal direction (L) of the pallet, feet (30, 32, 34, 532, 534), comprising at least one row of at least two intermediate feet (34; 534) spaced apart from the two end walls (12, 12 '; 512, 512'), - junction areas (40; 140; 240; 340; 440; 540) located at each intermediate foot, each junction area extending between either two adjacent beaches (14,14 ') or a beach ( 14, 14 ', 514) and the longitudinal wall (10, 10', 510, 510 ') adjacent thereto,
characterized in that
at least one junction zone (40; 140; 240; 340; 440; 540) extends obliquely with respect to a median transverse axis (T) of this zone. Palette de manutention en matière plastique selon la revendication 1 dans laquelle chaque zone de jonction (40 ; 140 ; 240 ; 340 ; 440 ; 540) est symétrique par rapport audit axe transversal médian (T).The plastic pallet of claim 1 wherein each junction region (40; 140; 240; 340; 440; 540) is symmetrical about said medial transverse axis (T). Palette de manutention en matière plastique selon la revendication 1 ou 2, dans laquelle chaque zone de jonction (40 ; 140 ; 240 ; 340 ; 440 ; 540) comprend au moins un tronçon oblique (46 ; 146 ; 246 ; 342, 344, 346 ; 442, 444, 446), en particulier perpendiculaire, en référence audit axe transversal médian.A plastic pallet according to claim 1 or 2, wherein each junction area (40; 140; 240; 340; 440; 540) comprises at least one oblique section (46; 146; 246; 342,344,346). 442, 444, 446), in particular perpendicular, with reference to said median transverse axis. Palette de manutention en matière plastique selon la revendication 3, dans laquelle il est prévu un tronçon intermédiaire oblique (46 ; 146 ; 346 ; 446), prolongé par deux tronçons d'extrémité (42, 44 ; 142, 144 ; 342, 344 ; 442, 444), assurant le raccordement avec une plage ou une paroi périphérique respective.A plastic pallet according to claim 3, wherein there is provided an oblique intermediate section (46; 146; 346; 446) extended by two end sections (42,44; 142,144; 342,344; 442, 444), providing the connection with a respective beach or peripheral wall. Palette de manutention en matière plastique selon la revendication 4, dans laquelle le tronçon intermédiaire oblique (46 ; 146) est longitudinal, alors que les deux tronçons d'extrémité (42, 44 ; 142, 144) sont transversaux.Plastic handling pallet according to claim 4, wherein the oblique intermediate portion (46; 146) is longitudinal while the two end portions (42,44; 142,144) are transverse. Palette de manutention en matière plastique selon la revendication 4, dans laquelle chaque zone de jonction comprend trois tronçons obliques (342, 344, 346 ; 442, 444, 446).A plastic pallet according to claim 4, wherein each junction zone comprises three oblique sections (342, 344, 346; 442, 444, 446). Palette de manutention en matière plastique selon l'une des revendications 1 à 5, dans laquelle les points de raccordement (P42, P44) de chaque zone de jonction (40), avec une plage (14) ou une paroi périphérique (10) respective, sont décalés l'un par rapport à l'autre en référence audit axe transversal médian (T).Plastic pallet according to one of claims 1 to 5, wherein the connection points (P42, P44) of each junction area (40), with a respective pad (14) or peripheral wall (10). , are offset relative to each other with respect to said median transverse axis (T). Palette de manutention en matière plastique selon l'une des revendications précédentes, dans laquelle chaque pied intermédiaire (34) comprend deux demi-coques (36) et, en vue de dessus, la bande de jonction (40) s'étend entre ces deux demi-coques.Plastic handling pallet according to one of the preceding claims, wherein each intermediate foot (34) comprises two half-shells (36) and, in top view, the joining strip (40) extends between these two half-shells. Palette de manutention en matière plastique selon l'une des revendications précédentes, dans laquelle les pieds intermédiaires (34) sont situés entre des pieds dits « avant » (30) et des pieds dits « arrière » (32) en référence à la direction longitudinale principale (L), ces pieds avant et arrière étant placés au niveau d'une paroi frontale respective (12, 12').Plastic handling pallet according to one of the preceding claims, wherein the intermediate feet (34) are located between so-called "front" feet (30) and so-called "rear" feet (32) with reference to the longitudinal direction main (L), these front and rear feet being placed at a respective front wall (12, 12 '). Palette de manutention en matière plastique selon l'une des revendications 1 à 8, dans laquelle les pieds intermédiaires (534) sont distants d'une première paroi frontale (512'), associée à une première rangée de pieds (532), et sont séparés de l'autre paroi frontale (512), qui n'est pas associée à une rangée de pieds, par une extension de matière (535).Plastic handling pallet according to one of claims 1 to 8, wherein the intermediate legs (534) are spaced apart from a first end wall (512 '), associated with a first row of legs (532), and are separated from the other end wall (512), which is not associated with a row of legs, by an extension of material (535). Palette de manutention en matière plastique selon l'une des revendications précédentes, dans laquelle la ou chaque plage (14, 14') comprend une peau supérieure (17, 17') et une peau inférieure (18, 18'), cette plage étant creusée d'au moins une chambre (16, 16') débouchant à ses deux extrémités longitudinales.Plastic handling pallet according to one of the preceding claims, wherein the or each pad (14, 14 ') comprises an upper skin (17, 17') and a lower skin (18, 18 '), this being dug at least one chamber (16, 16 ') opening at its two longitudinal ends.
EP20100160417 2010-04-20 2010-04-20 Pallet made of plastic material Not-in-force EP2380817B1 (en)

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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
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US3433184A (en) * 1967-12-11 1969-03-18 Allan Addy Nestable pallets
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Publication number Priority date Publication date Assignee Title
EP3577033A4 (en) * 2017-02-03 2020-11-04 Orbis Corporation Nestable pallet with runners

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