EP1972567B1 - Foldable tray - Google Patents

Foldable tray Download PDF

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Publication number
EP1972567B1
EP1972567B1 EP08102835A EP08102835A EP1972567B1 EP 1972567 B1 EP1972567 B1 EP 1972567B1 EP 08102835 A EP08102835 A EP 08102835A EP 08102835 A EP08102835 A EP 08102835A EP 1972567 B1 EP1972567 B1 EP 1972567B1
Authority
EP
European Patent Office
Prior art keywords
base
lateral walls
tray
profiles
frame
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.)
Not-in-force
Application number
EP08102835A
Other languages
German (de)
French (fr)
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EP1972567A1 (en
Inventor
Edouard Schmidt-Morgenroth
Daniel Jay
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.)
DS Smith Kaysersberg SAS
Original Assignee
DS Smith Kaysersberg SAS
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Publication date
Application filed by DS Smith Kaysersberg SAS filed Critical DS Smith Kaysersberg SAS
Priority to PL08102835T priority Critical patent/PL1972567T3/en
Publication of EP1972567A1 publication Critical patent/EP1972567A1/en
Application granted granted Critical
Publication of EP1972567B1 publication Critical patent/EP1972567B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected
    • B65D11/1833—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected whereby all side walls are hingedly connected to the base panel
    • 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/20—Details of walls made of plastics material
    • B65D11/22—Reinforcing for strengthening parts of members
    • B65D11/28—Metal reinforcements, e.g. metal frames

Definitions

  • the present invention relates to the field of bins or trays foldable material such as plastic allowing particular non-unique use.
  • this type of tray has several characteristics. It is made of a sufficiently strong and rigid material to withstand heavy loads, as well as handling shocks without deformation or tearing. It is dirt resistant and needs to be cleaned. It is light so that one does not have to carry useless masses. Moreover, since its use involves empty transport phases, it is desirable that it be foldable so as to reduce its volume.
  • plastic bins are now widespread. They are light, inexpensive, and can be used for many applications. These bins are generally parallelepiped shaped, and have a bottom panel and side walls erected relative thereto, formed of panels hinged together.
  • a tray of the prior art is illustrated by the patent BE-A-6592426 which describes a foldable tray whose bottom wall and the side walls are each formed of a rigid cade supporting a panel.
  • the frames of the side walls are connected to the frame of the bottom wall by flexible fasteners.
  • the present invention relates to an improved collapsible tray compared to the products of the prior art.
  • the foldable container of the invention comprises a bottom wall and side walls, the side walls being movable between a position erected with respect to the bottom wall and a folded position, inclined flat with respect to the bottom wall, at the at least two side walls being formed of a rigid frame supporting a panel, said frame being hinged along the bottom wall.
  • the frames of the side walls comprise a first section fixed to the bottom wall by a flexible coupling forming a hinge between the first section and the bottom wall
  • the bottom wall comprises second sections along its length. edges, and first sections are guided along the second sections and fixed thereto by said flexible fastener, the first and second sections being coextruded with the flexible fastener.
  • a bin combines lightness and strength.
  • the frame provides rigidity of the wall and allows a recovery of vertical loads by the bottom of the tray. We can thus stack the bins on a great height.
  • the frame can support a light panel formed of a plastic plate.
  • it may be a cellular plate, such as that marketed by the applicant under the trademark Akylux, formed of two cover sheets interconnected by parallel partitions and forming longitudinal cells.
  • all the frames and panels can be formed of plastic materials that can be recycled.
  • the frame forming the side walls preferably comprises at least one third section bearing on the bottom wall when the side walls are rectified.
  • the bottom wall comprising corner reinforcing parts, the third sections are supported on said reinforcements in the upright position. More particularly, the bottom wall is also formed of a frame with profiles holding between them one or more bottom panels.
  • the sidewalls comprise a pairwise locking means for maintaining the sidewalls in the upright position.
  • the tray 1 comprises a bottom wall 2 and four side walls 3, 4, 5 and 6 respectively.
  • the side walls transverse 4 and 6 on the short sides of the tray, are formed of a frame 40 and 60 supporting a panel 45 and 65 respectively.
  • the longitudinal side walls 3 and 5 comprise in this example two profiles 31 and 33 for one and 51 and 53 for the other.
  • the panels 35 and 55 are retained between the two sections.
  • Each frame is composed of interconnected sections: 41, 42, 43, 44 for the frame 40 and 61, 62, 63, and 64 for the frame 60.
  • the side walls are formed of four frames.
  • the bottom wall is here also composed of a frame 20, with its four sections 21, 22, 23 and 24, retaining by appropriate slides a panel 25.
  • the panels are preferably of light but rigid material such as the honeycomb plates of the Akylux brand.
  • the figure 2 shows how the wall 3 is articulated along the edge of the bottom wall 2.
  • the four walls 3, 4, 5 and 6 here articulate in the same way along the edges of the bottom wall 2.
  • section 31 rotates about an axis along the second section 21 of the bottom wall 2
  • the figure 3 shows a state of the tank where the walls 3 and 5 are laid flat parallel to the plane of the bottom.
  • the wall 4 and in the intermediate position between the upright position and the flat position.
  • the wall 6 is further straightened.
  • This figure shows the four sections 41, 42, 43, 44 and 61, 62, 63, 64 of the two walls 4 and 6.
  • the figure 4 shows the bin in its flat state occupying a minimum volume. It is observed that the bottom wall comprises four reinforcing pieces 26 27 28 29 wedged at the four corners. These parts comprise faces perpendicular to the plane of the bottom and which have a height such as that seen on the figure 4 slightly protrude from the upper surface of the folded side walls. These raised portions form supports for bins folded and stack them on each other without the upper tray comes to bear on the side walls folded. These are not subject to efforts likely to damage them.
  • the figure 5 shows in section a first section of one of the side wall frames, for example the profile 31 cooperating with the second section of the corresponding bottom wall, here the bottom wall is formed of a frame which shows the second section 21.
  • the first profile 31 of the side wall 3 comprises two wings 31a and 31b forming a U and between which the panel 35, not shown, of the side wall 3 is slid and held.
  • the second profile 21 is in the form of a bracket with a portion 21d in the extension of the flanges of the profile 31 and a portion perpendicular thereto.
  • This last part comprises two wings 21a and 21b forming a U and between which the panel 25, not shown, of the bottom wall is slid and held.
  • the two profiles are in contact with each other over their entire length by complementary shaped surfaces such as tongue and groove to ensure transverse wedging.
  • the two sections are interconnected by a hinge 10 over at least a part of their common length.
  • This hinge is a strip of flexible material forming a hinge axis and around which the profile 31 can pivot relative to the profile 21.
  • the flexible strip may be attached to both profiles in any suitable manner however it may be advantageous to make the two profiles and the hinge strip by co-extruding the two sections into a plastic material and the strip into another plastic material.
  • the hinge connection between the first profile 31 of the side wall and the second section 21 forming the frame of the bottom wall 2 has been described. The others can be made in the same way: the first profile 41 with the second profile respectively. 22, the first profile 51 with the second profile 23 and the first section 61 with the second profile 24.
  • the upper edges of the four side walls comprise locking means in pairs.
  • the locking means is shown between the wall 3 and the adjacent wall 6.
  • a first locking element 36 with lugs 36a On the frame 30 is mounted a first locking element 36 with lugs 36a.
  • a second locking member 67 On the frame 60 of the wall 6 is mounted a second locking member 67.
  • This element 67 comprises a return 67a projecting at right angles to the wall 6, along its vertical edge 64.
  • the return 67a includes housing 67b for the lugs 36a.
  • a tongue 36b on the first element 36 engages a stop 67c on the second element 67.
  • This tongue 36b is integral with an elastic portion 36c of the first locking element and can be disengaged when a spring force is exerted. pressure on this elastic part.
  • the bins are used as follows.
  • the wall 3 is folded first against the bottom wall 2 and then the wall 5 which is parallel thereto is folded down. It comes on the wall 3. Then successively fold the other two walls 4 and 6.
  • the hinges of the four walls are advantageously slightly different heights so as to allow the stack of the latter in the folded position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Packages (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

The tray (1) has a base wall (2) and lateral walls (3-6) that are formed of a rigid frame (40, 60) supporting a panel, where the frame is articulated along the base wall. The lateral walls have profiles fixed to the base wall by a flexible attachment. The attachment forms an articulation between the profile and the base wall that has other profiles (21-24) along its edges. The former profiles are guided along latter profiles and are fixed to the latter profiles by the attachment, where the profiles are co-extruded with the attachment.

Description

La présente invention concerne le domaine des bacs ou barquettes pliables en matériau tel que le plastique permettant notamment un usage non unique.The present invention relates to the field of bins or trays foldable material such as plastic allowing particular non-unique use.

Pour le transport de pièces entre différents ateliers d'une usine on utilise généralement des bacs de forme parallélépipédique que l'on fait circuler en navette. Une fois les pièces parvenues à leur destination on est amené souvent à retourner les bacs à vide vers l'atelier d'expédition pour les remplir à nouveau. Pour être apte à un tel usage, ce type de bac présente plusieurs caractéristiques. Il est réalisé en un matériau suffisamment résistant et rigide pour supporter des charges lourdes, ainsi que les chocs de manutention sans déformation ni déchirure. Il résiste aux souillures et doit pouvoir être nettoyé. Il est léger pour que l'on n'ait pas à transporter des masses inutiles. Par ailleurs, dans la mesure où son utilisation implique des phases de transport à vide, il est souhaitable qu'il soit pliable de manière à en réduire le volume.For the transport of parts between different workshops of a plant are usually used parallelepiped shaped bins that are circulated by shuttle. Once the pieces have reached their destination, they are often required to return the empty bins to the shipping shop to fill them again. To be suitable for such use, this type of tray has several characteristics. It is made of a sufficiently strong and rigid material to withstand heavy loads, as well as handling shocks without deformation or tearing. It is dirt resistant and needs to be cleaned. It is light so that one does not have to carry useless masses. Moreover, since its use involves empty transport phases, it is desirable that it be foldable so as to reduce its volume.

L'emploi de bacs en matière plastique est maintenant largement répandu. Ils sont légers, peu onéreux, et susceptibles d'être utilisés pour de très nombreuses applications. Ces bacs ont généralement une forme parallélépipédique, et présentent un panneau de fond et des parois latérales dressées par rapport à celui-ci, formées de panneaux articulés entre eux.The use of plastic bins is now widespread. They are light, inexpensive, and can be used for many applications. These bins are generally parallelepiped shaped, and have a bottom panel and side walls erected relative thereto, formed of panels hinged together.

Un bac de l'art antérieur est illustré par le brevet BE-A-6592426 qui décrit un bac pliable dont la paroi de fond et les parois latérales sont formées chacune d'un cade rigide supportant un panneau. Les cadres des parois latérales sont reliées au cadre de la paroi de fond par des attaches souples.A tray of the prior art is illustrated by the patent BE-A-6592426 which describes a foldable tray whose bottom wall and the side walls are each formed of a rigid cade supporting a panel. The frames of the side walls are connected to the frame of the bottom wall by flexible fasteners.

La présente invention a pour objet un bac pliable amélioré par rapport aux produits de l'art antérieur.The present invention relates to an improved collapsible tray compared to the products of the prior art.

Le bac repliable de l'invention comprend une paroi de fond et des parois latérales, les parois latérales étant mobiles entre une position dressée par rapport à la paroi de fond et une position repliée, inclinée à plat par rapport à la paroi de fond, au moins deux parois latérales étant formées d'un cadre rigide supportant un panneau, ledit cadre étant articulé le long de la paroi de fond. Il est caractérisé par le fait que les cadres des parois latérales comprennent un premier profilé fixé à la paroi de fond par une attache souple formant articulation entre le premier profilé et la paroi de fond, la paroi de fond comprend des deuxièmes profilés le long de ses bords, et les premiers profilés sont guidés le long des deuxièmes profilés et fixés à ceux-ci par ladite attache souple, les premiers et deuxièmes profilés étant co-extrudés avec l'attache souple.The foldable container of the invention comprises a bottom wall and side walls, the side walls being movable between a position erected with respect to the bottom wall and a folded position, inclined flat with respect to the bottom wall, at the at least two side walls being formed of a rigid frame supporting a panel, said frame being hinged along the bottom wall. It is characterized in that the frames of the side walls comprise a first section fixed to the bottom wall by a flexible coupling forming a hinge between the first section and the bottom wall, the bottom wall comprises second sections along its length. edges, and first sections are guided along the second sections and fixed thereto by said flexible fastener, the first and second sections being coextruded with the flexible fastener.

Grâce à l'invention, on réalise un bac alliant légèreté et solidité. Le cadre assure la rigidité de la paroi et permet une reprise des charges verticales par le fond du bac. On peut ainsi gerber les bacs sur une grande hauteur. Pour les parois latérales, le cadre peut supporter un panneau léger formé d'une plaque de matière plastique. Avantageusement il peut s'agir d'une plaque alvéolaire, telle que celle commercialisée par la demanderesse sous la marque Akylux, formée de deux feuilles de couverture reliées entre elles par des cloisons parallèles et ménageant des alvéoles longitudinales.Thanks to the invention, a bin combines lightness and strength. The frame provides rigidity of the wall and allows a recovery of vertical loads by the bottom of the tray. We can thus stack the bins on a great height. For the side walls, the frame can support a light panel formed of a plastic plate. Advantageously, it may be a cellular plate, such as that marketed by the applicant under the trademark Akylux, formed of two cover sheets interconnected by parallel partitions and forming longitudinal cells.

Plus particulièrement, l'ensemble des cadres et des panneaux peut être formé en matériaux plastiques susceptibles d'être recyclés.More particularly, all the frames and panels can be formed of plastic materials that can be recycled.

Le cadre formant les parois latérales comprend de préférence au moins un troisième profilé prenant appui sur la paroi de fond quand les parois latérales sont redressées.The frame forming the side walls preferably comprises at least one third section bearing on the bottom wall when the side walls are rectified.

Conformément à une autre caractéristique, la paroi de fond comprenant des pièces de renfort des angles, les troisièmes profilés prennent appui sur les dits renforts en position redressée. Plus particulièrement la paroi de fond est également formée d'un cadre avec des profilés maintenant entre eux un ou plusieurs panneaux de fond.According to another feature, the bottom wall comprising corner reinforcing parts, the third sections are supported on said reinforcements in the upright position. More particularly, the bottom wall is also formed of a frame with profiles holding between them one or more bottom panels.

Conformément à une autre caractéristique, les parois latérales comprennent un moyen de verrouillage deux à deux pour maintenir les parois latérales en position redressée.According to another feature, the sidewalls comprise a pairwise locking means for maintaining the sidewalls in the upright position.

On décrit maintenant le bac de l'invention plus en détail en référence aux dessins annexés illustrant un mode de réalisation non limitatif, et sur lesquels

  • Les figures 1 à 4 montrent le bac de l'invention dans quatre états depuis le bac en volume jusqu'à son état à plat ;
  • La figure 5 montre le détail d'une charnière entre les premiers les deuxièmes profilés ;
  • La figure 6 montre en perspective le détail du verrouillage entre deux parois latérales adjacentes ;
  • La figure 7 est une coupe selon la direction 6-6 de la figure 6.
The tray of the invention is now described in more detail with reference to the accompanying drawings illustrating a non-limiting embodiment, and on which
  • The Figures 1 to 4 show the tray of the invention in four states from the tray volume to its flat state;
  • The figure 5 shows the detail of a hinge between the first the second sections;
  • The figure 6 shows in perspective the detail of the lock between two adjacent sidewalls;
  • Figure 7 is a section along the 6-6 direction of the figure 6 .

Comme on le voit sur la figure 1, le bac 1 comprend une paroi de fond 2 et quatre parois latérales 3, 4, 5 et 6 respectivement. Les parois latérales transversales 4 et 6 sur les petits côtés du bac, sont formées d'un cadre 40 et 60 supportant un panneau 45 et 65 respectivement. Les parois latérales longitudinales 3 et 5 comprennent dans cet exemple deux profilés 31 et 33 pour l'une et 51 et 53 pour l'autre. Les panneaux 35 et 55 sont retenus entre les deux profilés. Chaque cadre est composé de profilés reliés entre eux : 41, 42, 43, 44 pour le cadre 40 et 61, 62, 63, et 64 pour le cadre 60. Dans un autre mode de réalisation non représenté les parois latérales sont formées de quatre cadres.As we see on the figure 1 , the tray 1 comprises a bottom wall 2 and four side walls 3, 4, 5 and 6 respectively. The side walls transverse 4 and 6 on the short sides of the tray, are formed of a frame 40 and 60 supporting a panel 45 and 65 respectively. The longitudinal side walls 3 and 5 comprise in this example two profiles 31 and 33 for one and 51 and 53 for the other. The panels 35 and 55 are retained between the two sections. Each frame is composed of interconnected sections: 41, 42, 43, 44 for the frame 40 and 61, 62, 63, and 64 for the frame 60. In another embodiment, not shown, the side walls are formed of four frames.

La paroi de fond est ici également composée d'un cadre 20, avec ses quatre profilés 21, 22, 23 et 24, retenant par des glissières appropriées un panneau 25. Les panneaux sont de préférence en matériau léger mais rigide tel les plaques alvéolaires de la marque Akylux.The bottom wall is here also composed of a frame 20, with its four sections 21, 22, 23 and 24, retaining by appropriate slides a panel 25. The panels are preferably of light but rigid material such as the honeycomb plates of the Akylux brand.

La figure 2 montre comment s'articule la paroi 3 le long du bord de la paroi de fond 2. Les quatre parois 3, 4, 5 et 6 s'articulent ici de la même façon le long des bords de la paroi de fond 2. Le premier profilé 31 pivote autour d'un axe le long du deuxième profilé 21 de la paroi de fond 2The figure 2 shows how the wall 3 is articulated along the edge of the bottom wall 2. The four walls 3, 4, 5 and 6 here articulate in the same way along the edges of the bottom wall 2. section 31 rotates about an axis along the second section 21 of the bottom wall 2

La figure 3 montre un état du bac où les parois 3 et 5 sont mises à plat parallèlement au plan du fond. La paroi 4 et en position intermédiaire entre la position redressée et la position à plat. La paroi 6 est encore redressée. On voit sur cette figure les quatre profilés 41, 42, 43, 44 et 61, 62, 63, 64 des deux parois 4 et 6.The figure 3 shows a state of the tank where the walls 3 and 5 are laid flat parallel to the plane of the bottom. The wall 4 and in the intermediate position between the upright position and the flat position. The wall 6 is further straightened. This figure shows the four sections 41, 42, 43, 44 and 61, 62, 63, 64 of the two walls 4 and 6.

La figure 4 montre le bac dans son état à plat occupant un volume minimum. On observe que la paroi de fond comprend quatre pièces de renfort 26 27 28 29 en coin aux quatre angles. Ces pièces comprennent des faces perpendiculaires au plan du fond et qui ont une hauteur telle que comme on le voit sur la figure 4 dépassent légèrement de la surface supérieure des parois latérales rabattues. Ces portions surélevées forment des supports pour des bacs repliés et permettent d'empiler ceux-ci les uns sur les autres sans que le bac supérieur ne vienne s'appuyer sur les parois latérales rabattues. Celles-ci ne sont ainsi pas soumises à des efforts susceptibles de les abîmer.The figure 4 shows the bin in its flat state occupying a minimum volume. It is observed that the bottom wall comprises four reinforcing pieces 26 27 28 29 wedged at the four corners. These parts comprise faces perpendicular to the plane of the bottom and which have a height such as that seen on the figure 4 slightly protrude from the upper surface of the folded side walls. These raised portions form supports for bins folded and stack them on each other without the upper tray comes to bear on the side walls folded. These are not subject to efforts likely to damage them.

La figure 5 montre en coupe un premier profilé de l'un des cadres de paroi latérale, par exemple le profilé 31 coopérant avec le deuxième profilé de la paroi de fond correspondant, ici la paroi de fond est formée d'un cadre dont on voit le deuxième profilé 21.The figure 5 shows in section a first section of one of the side wall frames, for example the profile 31 cooperating with the second section of the corresponding bottom wall, here the bottom wall is formed of a frame which shows the second section 21.

Le premier profilé 31 de la paroi latérale 3 comprend deux ailes 31a et 31b formant un U et entre lesquelles le panneau 35, non représenté, de la paroi latérale 3 est glissé et maintenu. Le deuxième profilé 21 est en forme d'équerre avec une partie 21d dans le prolongement des ailes du profilé 31 et une partie qui leur est perpendiculaire. Cette dernière partie comprend deux ailes 21a et 21b formant un U et entre lesquelles le panneau 25, non représenté, de la paroi de fond est glissé et maintenu. Les deux profilés sont en contact l'un avec l'autre sur toute leur longueur par des surfaces de forme complémentaire telles que languette et rainure pour assurer un calage transversal. Conformément au mode préféré de l'invention les deux profilés sont liés entre eux par une charnière 10 sur au moins une partie de leur longueur commune. Cette charnière est une bande de matériau souple formant axe d'articulation et autour de laquelle le profilé 31 peut pivoter par rapport au profilé 21. En disposant la bande souple sur un côté des profilés on autorise l'articulation dans un sens seulement, vers l'intérieur du bac. Le profilé est empêché de pivoter de l'autre côté. La bande souple peut être fixée aux deux profilés de toute manière appropriée cependant il peut être avantageux de réaliser les deux profiles et la bande de charnière par co-extrusion les deux profilés en une matière plastique et la bande en une autre matière plastique. On a décrit la liaison à charnière entre le premier profilé 31 de la paroi latérale et le deuxième profilé 21 formant le cadre de la paroi de fond 2. Les autres peuvent être réalisés de la même façon : respectivement le premier profilé 41 avec le deuxième profilé 22, le premier profilé 51 avec le deuxième profilé 23 et le premier profilé 61 avec le deuxième profilé 24.The first profile 31 of the side wall 3 comprises two wings 31a and 31b forming a U and between which the panel 35, not shown, of the side wall 3 is slid and held. The second profile 21 is in the form of a bracket with a portion 21d in the extension of the flanges of the profile 31 and a portion perpendicular thereto. This last part comprises two wings 21a and 21b forming a U and between which the panel 25, not shown, of the bottom wall is slid and held. The two profiles are in contact with each other over their entire length by complementary shaped surfaces such as tongue and groove to ensure transverse wedging. According to the preferred embodiment of the invention the two sections are interconnected by a hinge 10 over at least a part of their common length. This hinge is a strip of flexible material forming a hinge axis and around which the profile 31 can pivot relative to the profile 21. By arranging the flexible strip on one side of the profiles, the hinge is allowed in one direction only, towards the hinge. inside the tank. The profile is prevented from rotating on the other side. The flexible strip may be attached to both profiles in any suitable manner however it may be advantageous to make the two profiles and the hinge strip by co-extruding the two sections into a plastic material and the strip into another plastic material. The hinge connection between the first profile 31 of the side wall and the second section 21 forming the frame of the bottom wall 2 has been described. The others can be made in the same way: the first profile 41 with the second profile respectively. 22, the first profile 51 with the second profile 23 and the first section 61 with the second profile 24.

Les bords supérieurs des quatre parois latérales comprennent des moyens de verrouillage deux à deux. Sur la figure 6 on a représenté le moyen de verrouillage entre la paroi 3 et la paroi adjacente 6. Dans le prolongement du profilé 33 Sur le cadre 30 est monté un premier élément de verrouillage 36 avec des ergots 36a. Sur le cadre 60 de la paroi 6 est monté un deuxième élément de verrouillage 67. Cet élément 67 comprend un retour 67a en saillie à angle droit par rapport à la paroi 6, le long de son bord vertical 64. Le retour 67a comprend des logements 67b pour les ergots 36a. Comme on le voit sur la figure 7 une languette 36b sur le premier élément 36 vient en prise en arrière d'une butée 67c sur le deuxième élément 67. Cette languette 36b est solidaire d'une partie élastique 36c du premier élément de verrouillage et peut être dégagée quand on exerce une force de pression sur cette partie élastique.The upper edges of the four side walls comprise locking means in pairs. On the figure 6 the locking means is shown between the wall 3 and the adjacent wall 6. In the extension of the profile 33 On the frame 30 is mounted a first locking element 36 with lugs 36a. On the frame 60 of the wall 6 is mounted a second locking member 67. This element 67 comprises a return 67a projecting at right angles to the wall 6, along its vertical edge 64. The return 67a includes housing 67b for the lugs 36a. As we see on the figure 7 a tongue 36b on the first element 36 engages a stop 67c on the second element 67. This tongue 36b is integral with an elastic portion 36c of the first locking element and can be disengaged when a spring force is exerted. pressure on this elastic part.

On observe que les éléments de verrouillage sont prolongés vers le haut chacun d'une aile verticale 36d et 67d. Ces ailes forment des moyens de calage lorsqu'on gerbe un bac sur l'autre. La charge verticale du bac supérieure est reprise par les profilés verticaux 62-64 et 42-44 des parois latérales transversales.It is observed that the locking elements are extended upwardly each of a vertical wing 36d and 67d. These wings form wedging means when a tray is stacked on the other. The vertical load of the upper tray is taken up by the vertical sections 62-64 and 42-44 of the transverse lateral walls.

On utilise les bacs de la façon suivante.The bins are used as follows.

Lorsque le bac est en volume on dispose les objets à l'intérieur et on peut gerber plusieurs bacs. Les efforts sont repris par les cadres et les profilés des parois et non par les panneaux retenus et maintenus par les cadres.When the tray is in volume we have the objects inside and we can stack several bins. The efforts are taken up by the frames and the profiles of the walls and not by the panels retained and maintained by the frames.

Pour replier les bacs il suffit de déverrouiller les quatre moyens de verrouillage aux quatre angles supérieurs. On rabat la paroi 3 en premier contre la paroi de fond 2 puis on rabat la paroi 5 qui lui est parallèle. Elle vient sur la paroi 3. Ensuite on rabat successivement les deux autres parois 4 et 6. Les charnières des quatre parois sont avantageusement à des hauteurs légèrement différentes de façon à permettre l'empilement de ces dernières en position rabattue.To fold the bins just unlock the four locking means at the four upper corners. The wall 3 is folded first against the bottom wall 2 and then the wall 5 which is parallel thereto is folded down. It comes on the wall 3. Then successively fold the other two walls 4 and 6. The hinges of the four walls are advantageously slightly different heights so as to allow the stack of the latter in the folded position.

Pour la mise en volume on procède aux opérations inverses.For the setting volume is carried out the reverse operations.

Claims (4)

  1. Folding tray (1) comprising a base (2) and lateral walls (3, 4, 5, 6), wherein the lateral walls can move between an upright position with respect to the base and a folded position, folded flat with respect to the base, wherein at least two lateral walls (4, 6) are formed by a rigid frame (40, 60) which supports a panel, and wherein said frame is articulated along the length of the base, a folding tray characterised in that:
    - the frames of said lateral walls comprise a first profiled rail (31, 41, 51, 61) fastened to the base by a flexible attachment (10) which forms the articulation between the first profiled rail and the base,
    - the base (2) comprises second profiled rails (21, 22, 23, 24) along one of its edges,
    - the first profiled rails (31, 41, 51, 61) are guided along the length of the second profiled rails (21, 22, 23, 24) and are fastened to them by said flexible attachment (10), wherein the first and second rails are co-extruded with the flexible attachment.
  2. Tray according to claim 1, wherein at least one part of the lateral walls comprises at least a third profiled rail which is vertically supported on the base when the walls are upright.
  3. Tray according to the previous claim, wherein the base comprises corner reinforcement parts, wherein the third vertical profiled rails are supported on said reinforcement parts when upright.
  4. Tray according to any of the previous claims, wherein the lateral walls comprise means of locking in pairs so as to hold the lateral walls in the upright position.
EP08102835A 2007-03-20 2008-03-20 Foldable tray Not-in-force EP1972567B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08102835T PL1972567T3 (en) 2007-03-20 2008-03-20 Foldable tray

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0702019A FR2913957B1 (en) 2007-03-20 2007-03-20 FOLDABLE BIN

Publications (2)

Publication Number Publication Date
EP1972567A1 EP1972567A1 (en) 2008-09-24
EP1972567B1 true EP1972567B1 (en) 2010-05-19

Family

ID=38598285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08102835A Not-in-force EP1972567B1 (en) 2007-03-20 2008-03-20 Foldable tray

Country Status (6)

Country Link
EP (1) EP1972567B1 (en)
AT (1) ATE468275T1 (en)
DE (1) DE602008001272D1 (en)
ES (1) ES2346375T3 (en)
FR (1) FR2913957B1 (en)
PL (1) PL1972567T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600129314A1 (en) * 2016-12-21 2018-06-21 S I M P A T S R L Container with collapsible sides, and procedure for its manufacture.
CN106438609B (en) * 2016-12-21 2018-08-28 河南牧业经济学院 A kind of carton connector, its honeycomb carton constituted and corresponding assemble method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE659426A (en) * 1965-02-08 1965-05-28
FI860654A (en) * 1985-02-21 1986-08-22 Sekisui Plastics LAODABILDANDE HOERNELEMENT OCH EN LAODA INNEHAOLLANDE ETT SAODANT.
DE4446322A1 (en) * 1994-10-07 1996-04-11 Schoeller Plast Ag Collapsible box-shaped container
US7152751B2 (en) * 2002-12-17 2006-12-26 Bartasevich Jr William E Lightweight shipping container

Also Published As

Publication number Publication date
EP1972567A1 (en) 2008-09-24
FR2913957B1 (en) 2011-06-10
FR2913957A1 (en) 2008-09-26
DE602008001272D1 (en) 2010-07-01
PL1972567T3 (en) 2010-11-30
ES2346375T3 (en) 2010-10-14
ATE468275T1 (en) 2010-06-15

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