EP4023562A1 - Kit pour la réalisation d'une palette modulaire - Google Patents
Kit pour la réalisation d'une palette modulaire Download PDFInfo
- Publication number
- EP4023562A1 EP4023562A1 EP21218032.7A EP21218032A EP4023562A1 EP 4023562 A1 EP4023562 A1 EP 4023562A1 EP 21218032 A EP21218032 A EP 21218032A EP 4023562 A1 EP4023562 A1 EP 4023562A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- supporting leg
- fixing
- fixing area
- kit
- fixing means
- 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
Links
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Images
Classifications
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- B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
- B65D19/002—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element
- B65D19/0024—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element forming discontinuous or non-planar contact surfaces
- B65D19/0026—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element forming discontinuous or non-planar contact surfaces and each contact surface having a stringer-like shape
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- B65D2519/00407—Integral, e.g. ribs on the load supporting surface
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- B65D2519/00402—Integral, e.g. ribs
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- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
- B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
- B65D2519/00567—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements mechanical connection, e.g. snap-fitted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
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- B65D2519/0083—Anti-slip means
- B65D2519/00835—Integral
Definitions
- the present patent application for industrial invention relates to a kit for the realization of a modular pallet.
- pallets are used for the storage and the transportation of goods and finished products.
- pallets are an essential tool that is at the base of many economic activities and, in turn, are an end product of an important industrial sector.
- a pallet comprises an upper platform, where the raw materials or products are disposed, and supporting assemblies suitable for supporting the upper platform from below.
- Pallets are conventionally made of wood, steel, or plastic materials.
- Wooden or steel pallets are impaired by several drawbacks arising from the material that is used to produce them.
- wooden pallets can be easily damaged by atmospheric agents; moreover, their mechanical characteristics can suffer great variations over time; further, because wood is a refuge for microorganisms such as bacteria, fungi, or insects, larvae or parasites, wooden pallets must be subjected to sterilization and sanitization treatments, especially if they are used for the transportation of food materials.
- wooden pallets can no longer be used to perform the main function for which they are designed; moreover, great attention must be paid during the recycling process because wooden pallets are treated with special products (in order to increase waterproof properties and improve weather resistance) that can be harmful to human health, prohibiting their use as firewood.
- steel or metal pallets have a greater strength, which is however correlated to a significant increase in their weight; moreover, said steel or metal pallets must be adequately protected with special anti-corrosion products.
- pallets that are molded in one piece from plastic materials; in fact, they are extremely lightweight, resistant and hygienic and they can be used to store the goods outdoors since there is no risk of infiltration of moisture and pests in the material.
- a first drawback which also applies to wooden and steel pallets, is that said pallets are extremely bulky to store when not in use. As a matter of fact, they must be stored one on top of the other one in the warehouse of the manufacturing company.
- plastic pallets Another drawback of plastic pallets is that, in spite of their sturdiness, in case of cracking or breakage, they cannot be used anymore and must necessarily be disposed of.
- WO2010128260A2 discloses a modular pallet comprising a platform, a series of cross-members and supporting legs (also defined as spacers). Each spacer comprises an external body and two connecting pieces disposed inside a cavity of the external body, which protrude superiorly and inferiorly from the external body. Each connecting piece comprises clips that are snap-fitted with respective means obtained on the platform and on the cross-members.
- the supporting legs cannot be stacked firmly, one on top of the other one.
- the cross-members cannot be stacked firmly, one on top of the other one.
- WO9628358A1 discloses a modular pallet comprising a load-bearing platform formed of decking boards and cross-members connected by means of mating dove-tail portions, a base member and supporting legs that connect the base member and the platform by means of snap-fit connections.
- Each supporting leg comprises a vertical column having a lower spigot member and an upper spigot member, each of them comprising two wings provided with nose portions. Said nose portions are suitable for being engaged in respective steps obtained on the crossmember of the platform and on the base.
- the supporting legs cannot be stacked firmly, one on top of the other one.
- the cross-members cannot be stacked firmly, one on top of the other one.
- DE202015100355 discloses a modular pallet comprising a loading platform, floor boards and connectors or supporting legs.
- the connectors are connected to the loading platform and to the floor boards by means of snap-in clips.
- the connectors are shaped as a bi-dimensional plates and cannot be stacked one on top of the other one. Moreover, the configuration of the floor boards prevents them from being stacked one on top of the other one.
- US6029583 and US2007056483A1 disclose pallets comprising a lower member composed of base cross-members and an upper member composed of a deck and legs obtained in one piece. Given the fact that the deck and the legs are obtained in one piece, in case of breakage or damage of one of the legs, it will be necessary to replace the entire deck with a new deck, instead of replacing only the broken supporting leg.
- the present invention was devised in order to solve the aforementioned problems by providing an innovative kit for the realization of a modular pallet made of plastic material.
- the purpose of the present invention is to provide a kit that allows for realizing a modular pallet in a simple and fast way, and wherein it is no longer necessary to dispose of the pallet in case of breakage of the elements of the pallet.
- Another purpose of the present invention is to devise a kit wherein all the elements of the kit can be stored and transported occupying a small amount of space.
- the kit according to the invention is defined by claim 1.
- the pallet (P) realized with the kit according to the invention is shown in Fig. 1 .
- the kit according to the invention comprises a set of connectable elements, which are all made of plastic material.
- the elements of the kit comprise three supporting assemblies (G) suitable for being disposed side by side.
- Each one of said supporting assemblies (G) comprises:
- the kit also comprises a monoblock platform (1) made of plastic material, having an upper side (1a), a lower side (1b) and a plurality of fixing areas (10) (shown in Fig. 6A ) obtained on the lower side (1b), one for each supporting leg (3) of the supporting assemblies (G) of the kit.
- a monoblock platform (1) made of plastic material, having an upper side (1a), a lower side (1b) and a plurality of fixing areas (10) (shown in Fig. 6A ) obtained on the lower side (1b), one for each supporting leg (3) of the supporting assemblies (G) of the kit.
- the upper portion (3a) of one of said supporting legs (3) is suitable for being coupled in each fixing area (10).
- each supporting leg (3) comprises upper fixing means (A31) suitably configured to cooperate with corresponding fixing means (A1) of the fixing area (10) of the platform (1) in such a way to fix the supporting leg (3) to the platform (1).
- each supporting leg (3) comprises lower fixing means (A32) suitably configured to cooperate with corresponding fixing means (A2) of the fixing area (20) of the crosspiece (2) in such a way to fix the supporting leg (3) to the crosspiece (2).
- the upper fixing means (A31) of the upper portion (3a) and the corresponding fixing means (A1) of the fixing area (10) are snap-fit means.
- the lower fixing means (A32) of the lower portion (3b) and the corresponding fixing means (A2) of the fixing area (20) of the crosspiece (2) are snap-fit means.
- each fixing area (20) of each crosspiece (2) also comprises centering means (C2).
- the lower portion (3b) of the supporting leg (3) is configured in such a way as to cooperate with said centering means (C2) so as to center the supporting leg (3) with respect to the fixing area (20).
- the fixing area (10) of the platform (1) comprises centering means (C1).
- the upper portion (3a) of the supporting leg (3) is configured to cooperate with said centering means (C1) of the fixing area (10) so as to center the supporting leg (3) with respect to the fixing area (10).
- the supporting leg (3) is box-shaped and comprises an internal cavity, which is open at the bottom and closed at the top.
- the lower portion (3b) has the shape of a parallelepiped that is open inferiorly, whereas the upper portion (3a) has the shape of a block that protrudes superiorly from the lower portion (3b).
- the lower portion (3b) comprises two first longitudinal lateral walls (3p) in opposite position and two second transverse lateral walls (3q) in opposite position.
- Each lateral wall (3p, 3q) of the lower portion (3b) comprises a lower ending edge suitable for abutting against the upper side (2a) of the crosspiece in correspondence of the fixing area (20).
- the walls (3p, 3q) are connected by means of rounded corners (3g).
- the upper portion (3a) comprises two longitudinal lateral walls (3r) and two transverse lateral walls (3s).
- the upper portion (3a) When seen in a top view, the upper portion (3a) has lower dimensions than the lower portion (3b), and the two portions (3a, 3b) are connected to each other by two horizontal supporting walls (34) whereon the platform (1) rests.
- the lower dimensions of the upper portion (3a) with respect to those of the lower portion (3b) allow the upper portion (3a) to be fitted inside the lower portion (3b) of an identical supporting leg (3) in such a way that the supporting legs (3) can be stacked one on top of the other one, as shown in Figs. 4C and 4D , when they are stored and are not used to make the pallet (P).
- the fixing areas (20) of the crosspieces (2) are provided with said centering means (C2) and with said fixing means (A2).
- the centering means (C2) of the fixing area (20) comprises two opposite edges (22) that project from the upper side (2a) of the crosspiece (2) and are suitable for being contained between the lateral walls (3p, 3q) of the lower portion (3b) of the supporting leg (3), preventing the supporting leg (3) from moving freely above the fixing area (20).
- Each edge (22) comprises a central rectilinear portion (22a) and two folded ending sections (22b).
- central rectilinear portions (22a) are suitable for being disposed side by side, abutting against the second lateral walls (3q), whereas the folded ending sections (22b) are suitable for being disposed side by side with the rounded corners (3g).
- centering means (C2) comprise said two opposite edges (22), nothing would change for the achievement of the objectives pursued by the invention if said centering means (C2) comprised a single annular edge completely contained by the lateral walls (3p, 3q) of the lower portion (3b).
- the fixing means (A2) of the fixing area (20) comprise two flexible tabs (4) disposed in an inclined, diverging position, each one being provided at the top with a retention tooth (41).
- the lower fixing means (A32) of the lower portion (3b) of the supporting leg (3) comprise two opposite steps (32) disposed inside the lower portion (3b); one of the two retention teeth (41) is suitable for being disposed on each step (32), thereby fitting the supporting leg (3) to the fixing area (20).
- the two steps (32) are obtained at the top of two lateral edges (33) that define a narrow opening (33a) that provides access to the supporting leg (3) suitable for accommodating the flexible tabs (4).
- each retention tooth (41) comprises an inclined lateral surface (41a) which acts as an invitation surface for the lateral edge (33).
- the lateral edge (33) comprises an inclined section (330) at its base, having the same inclination as the inclined lateral surface (41a) of the retention tooth (41).
- a notch (2s) is provided underneath each fixing area (20), said notch (2s) being shaped in such a way as to accommodate and contain a fixing area (20) of an identical crosspiece (2), at least partially, so that the crosspieces (2) can be stacked one on top of the other one as explicitly shown in Figs. 5B and 5C .
- the fixing area (20) comprises supporting elements (5) disposed between the two flexible tabs (4), whereon separators (6) arranged inside the notch (2s) are suitable for being rested.
- Said supporting elements (5) comprise two parallel partitions (5) above which said two separators (6) are arranged astride.
- each fixing area (10) of the platform (1) consists of a seat and said centering means (C1) of the fixing area (10) consist of two lateral ribs (10a) that laterally define said seat.
- the two lateral ribs (10a) are suitable for accommodating and retaining the two longitudinal lateral walls (3r) of the upper portion (3a) of the supporting leg (3) when the upper portion (3a) is coupled with the fixing area (10).
- the fixing means (A1) of the fixing area (10) are obtained in correspondence with said lateral ribs (10a).
- said fixing means (A1) consist of two teeth (11) for each lateral rib (10a) that protrude towards the seat.
- the upper fixing means (A31) of the upper portion (3a) consist of two slots (31) placed side by side, and obtained on the lateral walls (3r), wherein said teeth (11) are to be inserted.
- each tooth (11) slides against the lateral wall (3r) until it is intercepted and inserted in the slot (31), thereby fixing the supporting leg (3) to the platform (1).
- the walls of the upper portion (3a) of the supporting leg (3) are inclined in such a way that said upper portion (3a) has a tapered shape going from the bottom to the top to facilitate the insertion of the upper portion (3a) between the two lateral ribs (10a) that define the seat.
- the lateral ribs (10a) that define the seat are flexible enough to bend outwards during the penetration of the upper portion caused by the sliding of the teeth (11) against the longitudinal lateral walls (3r).
- the position of the teeth and of the slots may be inverted.
- the fixing means (A1) of the fixing area (10) may comprise slots
- the upper fixing means (A31) of the upper portion (3a) may comprise teeth suitable for being inserted in said slots.
- the platform (1) comprises perimeter teeth (18) that protrude inferiorly from the lower side (1b) and are suitable for being inserted in respective perimeter slots (19) obtained on the upper side of an identical platform (1) below, in such a way as to stack the platforms (1) one on top of the other one, when they are stored and are not used for the realization of the modular pallet (P).
- a plurality of transverse stiffening ribs (1CT) and a plurality of longitudinal stiffening ribs (1CL) are provided on the lower side in order to stiffen the platform (1) so as to make it more rigid and reduce the deformations caused by the loads supported by the platform (1).
- the kit according to the invention is composed of elements that can be assembled together in a very simple and fast way.
- the pallet (P) is modularly built by means of the aforementioned kit, in case of breakage of an element of the pallet, it is possible to replace such a broken element without having to dispose of the pallet (P) completely.
- the pallet (P) is composed of elements that can be stacked firmly, one on top of the other one, it is possible to store and transport the various elements in a stable manner, occupying a small amount of space.
- Such a feature makes the pallet (P) according to the invention extremely less bulky, especially during storage and transportation, when compared with the modular pallets of the prior art described in WO2010128260A2 , WO9628358A1 , and DE202015100355 .
- kits according to the invention are composed of three support assemblies (G)
- two fixing areas (20) or even four fixing areas (20) may be provided on each crosspiece (2) for fixing an equal number of supporting legs (3).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pallets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT202000032696 | 2020-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4023562A1 true EP4023562A1 (fr) | 2022-07-06 |
EP4023562B1 EP4023562B1 (fr) | 2023-06-14 |
Family
ID=75111744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21218032.7A Active EP4023562B1 (fr) | 2020-12-29 | 2021-12-28 | Kit pour une palette modulaire |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4023562B1 (fr) |
DK (1) | DK4023562T3 (fr) |
ES (1) | ES2956523T3 (fr) |
PL (1) | PL4023562T3 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024147756A1 (fr) * | 2023-01-05 | 2024-07-11 | Woodcomposite Sweden Ab | Palette et coulisseau en plusieurs parties |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996028358A1 (fr) | 1995-03-14 | 1996-09-19 | World Wide Pallets Limited | Palette |
US6029583A (en) | 1996-07-02 | 2000-02-29 | Allibert-Contico, L.L.C. | Pallet with attachable upper and lower members |
US20070056483A1 (en) | 2005-09-09 | 2007-03-15 | Eduardo Garcia | Pallet |
WO2010128260A2 (fr) | 2009-05-07 | 2010-11-11 | Geprom | Palette modulaire demontable |
DE202015100355U1 (de) | 2014-04-09 | 2015-03-19 | Ribawood, S.A. | Palette in Leichtbauweise |
-
2021
- 2021-12-28 PL PL21218032.7T patent/PL4023562T3/pl unknown
- 2021-12-28 DK DK21218032.7T patent/DK4023562T3/da active
- 2021-12-28 ES ES21218032T patent/ES2956523T3/es active Active
- 2021-12-28 EP EP21218032.7A patent/EP4023562B1/fr active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996028358A1 (fr) | 1995-03-14 | 1996-09-19 | World Wide Pallets Limited | Palette |
US6029583A (en) | 1996-07-02 | 2000-02-29 | Allibert-Contico, L.L.C. | Pallet with attachable upper and lower members |
US20070056483A1 (en) | 2005-09-09 | 2007-03-15 | Eduardo Garcia | Pallet |
WO2010128260A2 (fr) | 2009-05-07 | 2010-11-11 | Geprom | Palette modulaire demontable |
DE202015100355U1 (de) | 2014-04-09 | 2015-03-19 | Ribawood, S.A. | Palette in Leichtbauweise |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024147756A1 (fr) * | 2023-01-05 | 2024-07-11 | Woodcomposite Sweden Ab | Palette et coulisseau en plusieurs parties |
Also Published As
Publication number | Publication date |
---|---|
DK4023562T3 (da) | 2023-09-18 |
PL4023562T3 (pl) | 2023-11-06 |
EP4023562B1 (fr) | 2023-06-14 |
ES2956523T3 (es) | 2023-12-22 |
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