EP3050816A1 - Pallet with safety elements - Google Patents

Pallet with safety elements Download PDF

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Publication number
EP3050816A1
EP3050816A1 EP15382022.0A EP15382022A EP3050816A1 EP 3050816 A1 EP3050816 A1 EP 3050816A1 EP 15382022 A EP15382022 A EP 15382022A EP 3050816 A1 EP3050816 A1 EP 3050816A1
Authority
EP
European Patent Office
Prior art keywords
pallet
cavity
main body
stiffening element
lateral perimeter
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
EP15382022.0A
Other languages
German (de)
French (fr)
Other versions
EP3050816B1 (en
Inventor
Antón Fernàndez Gutierrez
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.)
Nortpalet Fabrica SL
Original Assignee
Nortpalet Fabrica SL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nortpalet Fabrica SL filed Critical Nortpalet Fabrica SL
Priority to EP15382022.0A priority Critical patent/EP3050816B1/en
Priority to ES15382022.0T priority patent/ES2657300T3/en
Publication of EP3050816A1 publication Critical patent/EP3050816A1/en
Application granted granted Critical
Publication of EP3050816B1 publication Critical patent/EP3050816B1/en
Active 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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
    • B65D19/002—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element
    • B65D19/0024—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0026—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element forming discontinuous or non-planar contact surfaces and each contact surface having a stringer-like shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00034—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00049—Materials for the base surface
    • B65D2519/00069—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00263—Overall construction of the pallet
    • B65D2519/00273—Overall construction of the pallet made of more than one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00288—Overall construction of the load supporting surface made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00308—Overall construction of the load supporting surface grid type, e.g. perforated plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00323—Overall construction of the base surface made of more than one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00333—Overall construction of the base surface shape of the contact surface of the base contact surface having a stringer-like shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00432—Non-integral, e.g. inserts
    • B65D2519/00437—Non-integral, e.g. inserts on the load supporting surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00557—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
    • 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
    • B65D2519/008—Drainage means
    • 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
    • B65D2519/00825—Finishing of the external surfaces
    • B65D2519/0083—Anti-slip means
    • B65D2519/0084—Separated elements, e.g. including in-moulded elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/0098—Dismountable elements
    • B65D2519/0099—Dismountable elements single dismountable pallet element, e.g. for replacement

Definitions

  • the present invention is comprised in the technical field of pallets for transporting goods.
  • these pallets have other problems such as difficulty in holding the film that is placed to cover the pallet and its goods when it are placed thereon, and the weak securing provided for the rubbers used to hinder sliding of said pallet.
  • the present invention provides a solution to the problems mentioned in the preceding section by means of a pallet according to claim 1.
  • the dependent claims define preferred embodiments of the invention.
  • the invention in a first inventive aspect, relates to a pallet comprising a main body with a front surface intended for receiving goods, a rear surface opposite the front surface and a lateral perimeter, a plurality of shoes fixed to the main body by connection means, a first cavity comprised in the main body with an inlet located on the lateral perimeter, a stiffening element housed in this first cavity, the pallet being characterized in that it additionally comprises at least one securing element fixed to the inlet of the cavity and to the stiffening element, where the securing element comprises:
  • This pallet advantageously allows the stiffening means to be fixed to the securing element, which is in turn fixed to the main body.
  • the stiffening means are thereby prevented from moving or protruding from the main body, assuring that load strength is always the same.
  • the first cavity is substantially in the shape of a cylinder and the stiffening element is substantially in the shape of a tube, the axes of the cylinder and tube being perpendicular to the lateral perimeter.
  • This embodiment allows a simpler fixing.
  • the first fixing means comprise at least one substantially circular deformable element, the outer diameter of which is greater than the inner diameter of the stiffening element, such that it allows the securing element to be partially inserted into the stiffening element and remain fixed therein by friction.
  • This configuration allows the plug to participate in the stiffening function of the stiffening means when attaching the stiffening means to the main body to which it contributes to stiffening. Indeed, the fact that they are partially inserted allows the assembly formed by the stiffening means and the first fixing means to have a length greater than the stiffening means alone, which allows better stiffening of the pallet.
  • the first fixing means comprise a set of deformable circular sheets which are inserted into the stiffening element and offer frictional resistance against the inner walls of the stiffening element.
  • the first fixing means comprise three deformable circular sheets.
  • the second fixing means comprise a tongue adapted for being fixed to the inlet of the cavity.
  • the pallet additionally comprises a second cavity located on the front surface of the pallet, this second cavity having a polygonal shape intended for housing a non-slip element.
  • This embodiment allows a non-slip element to be snap-fitted into the polygonal cavity, such that once the sliding element is inside the cavity it cannot be removed without being damaged, preventing loss of these elements and also preventing them from being able to be taken out intact.
  • the pallet additionally comprises a non-slip element manufactured from an elastomeric material which is housed inside the second cavity.
  • connection means comprise clamping elements suitable for being attached to the main body by clamping.
  • these connection means additionally comprise discharge openings.
  • connection means is hollow in a particular embodiment, and as a result of these openings water can come out of said hollow interior of the connection means and is therefore prevented from accumulating therein.
  • the pallet additionally comprises projections, each of the projections having a root comprised on the lateral perimeter of the pallet and an end protruding from the lateral perimeter oriented towards the rear surface.
  • the projections are located in the corners of the lateral perimeter of the pallet.
  • This embodiment provides better gripping for the wrapping film because when the pallet and the goods it contains are wrapped with a wrapping film, the film is coupled in the projection and does not readily slide out of it.
  • the shoes are replaceable. Therefore, the pallet is advantageously reparable, i.e., a shoe can be changed when it breaks. In a particular embodiment, this is achieved by means of protuberances in the area of the connection means intended for fitting into the main body.
  • the lateral perimeter of the main body comprises windows such that in the coupling position, each protuberance is at the height of a window, such that each protuberance is partially inserted into a window, producing an abutment effect, such that once it is inserted into the main body, it cannot be removed by reversing the movement of entry.
  • the protuberances are stiff enough so as to not significantly deform when the shoe is inserted into the main body.
  • the protuberances comprise a wedge-shaped part to make insertion thereof into the main body easier, and a stepped area to prevent it from coming out once inserted.
  • the central area of the shoe comprises adjustment means. This configuration means that in order to remove a shoe, it is necessary to first destroy the protuberances, for example with a drill or chisel, and then insert a lever in a disassembly opening made in the shoe, followed by a movement of the lever, causing the adjustment means to come out of the central part of the shoe.
  • the protuberances comprise a guide which allows directing an instrument, for example a drill or chisel, towards the center of the protrusion, such that it can be more easily destroyed.
  • the pallet is molded providing the cavity intended for housing the stiffening element during molding and placing the stiffening element in this cavity before the pallet cools down and shrinks, so the interference fit between the cavity housing the stiffening element and said stiffening element is greater than in pallets known in the state of the art.
  • the pallet is manufactured by two-component injection using two different plastic components, a stiffer one and another less stiff one.
  • the stiffer plastic is arranged in the part of the main body surrounding the stiffening element except the area close to the lateral perimeter, and the less stiff plastic is arranged in the area close to the lateral perimeter.
  • arranging the stiffer plastic in the previously mentioned area improves mechanical performance of the pallet, and arranging the more plastic and less stiff plastic in the other previously mentioned area allows better impact absorption.
  • the stiffer plastic has additives with components providing it with non-slip properties.
  • FIG. 1 shows an example of a pallet according to the invention.
  • This drawing shows a pallet (1) comprising the following elements:
  • This pallet (1) also has a securing element (6) intended for being fixed to the inlet (5) of the cavity and to the stiffening element.
  • this securing element (6) there are first fixing means adapted for being fixed to the stiffening element (14) and second fixing means adapted for being fixed to the inlet (5) of the cavity.
  • the first cavity is a substantially cylindrical cavity and the stiffening element (14) is a tube, the axis of the cylinder being perpendicular to the lateral perimeter (22).
  • the invention thereby provides a stiffening element (14) which is arranged inside the main body (2) in the operative position, making it stiffer.
  • the first fixing means comprise at least one substantially circular deformable element (7), the outer diameter of which is greater than the inner diameter of the stiffening element (not depicted), such that it allows the securing element (6) to be partially inserted into the stiffening element (not depicted) and remain fixed therein by friction.
  • the deformable element (7) comprises a set of three deformable circular sheets which are inserted into the stiffening element (not depicted) and offer frictional resistance against the inner walls of said stiffening element.
  • the securing element (6) also comprises a beveled front part (15) favoring insertion of the securing element (6) into the stiffening element (not depicted).
  • the second fixing means of the securing element (6) depicted in this drawing comprise a tongue (8) adapted for being fixed to the inlet of the cavity and a stop (16) adapted for hindering the securing element (6) from coming out once it is in its coupling position in the pallet (1).
  • FIG 3 shows a detail of a pallet (1) according to the invention.
  • the pallet (1) of this drawing additionally comprises a second cavity (9) located on the front surface (21) of the pallet (1), this second cavity (9) having a polygonal shape intended for housing a non-slip element made of an elastomeric material intended for being snap-fitted into said second cavity (9).
  • Figure 4 shows a detail of a shoe (3) of a pallet (1) according to the invention.
  • This shoe (3) is attached to the main body (2) by connection means (4) comprising clamping elements suitable for being attached to the main body (2) by clamping. Additionally, the shoe (3) comprises discharge openings (10).
  • the main body (2) of the pallet (1) additionally comprises projections (11) intended for holding a wrapping film that is usually placed for holding the load.
  • Figures 5a to 5b show detailed views of the main body (2) of the pallet (1) where different embodiments of the projections (11) are seen.
  • Each of the projections (11) has a root (12) comprised on the lateral perimeter (22) of the pallet (1) and an end (13) protruding from the lateral perimeter (22).
  • the end (13) of each projection (11) is oriented towards the rear surface of the main body (2). A hook effect suitable for holding the wrapping film and hindering accidental removal thereof is therefore created.
  • these projections (11) are placed in the corners of the lateral perimeter (22).
  • Figures 6a and 6b show this placement.
  • Figure 7a shows a particular view of a pallet (1) according to the invention in which the shoe (3) is separated from the main body (2).
  • This drawing shows protuberances (31) comprised in the connection means (4) of the shoe (3) and windows (24) comprised on the lateral perimeter (22) of the main body (2).
  • adjustment means (32) intended for being adjusted by clamping in the main body (2).
  • FIG. 7b A detail of the disassembled shoe (3) can be seen in Figure 7b .
  • a protuberance (31) comprised in the connection means (4) of the shoe (3) comprises a wedge-shaped area (33) to make insertion thereof into the main body (2) easier, and a stepped area (34) to prevent it from coming out once inserted into the main body.
  • the protuberance comprises a guide (35) which allows directing an instrument, for example a drill or chisel, towards the center of the protrusion (31), such that it can be more easily destroyed if it is necessary to disassemble the shoe (3).
  • Figure 7c shows the coupling of the shoe (3) in the main body, such that each protuberance (31) is at the height of a window (24), such that each protuberance (31) is partially inserted into a window (24).
  • the protuberance (31) comprising an wedge-shaped area and a stepped area, once the shoe (3) is inserted into main body (2) an abutment effect is produced, such that the shoe (3) cannot be removed by reversing the movement of entry.
  • the protuberances (31) are stiff enough so as to not significantly deform when the shoe (3) is inserted into the main body (2), so they do not deform to make coming out easier.
  • the protuberances comprise a guide which allows directing an instrument, for example a drill or chisel, towards the center of the protrusion, such that it can be more easily destroyed.
  • the pallet is molded providing the cavity intended for housing the stiffening element during molding and placing the stiffening element in this cavity before the pallet cools down and shrinks, so the interference fit between the cavity housing the stiffening element and said stiffening element is greater than in pallets known in the state of the art.
  • the pallet is manufactured by two-component injection using two different plastic components, a stiffer one and another less stiff one.
  • the stiffer plastic is arranged in the part of the main body surrounding the stiffening element except the area close to the lateral perimeter, and the less stiff plastic is arranged in the area close to the lateral perimeter.
  • arranging the stiffer plastic in the previously mentioned area improves mechanical performance of the pallet, and arranging the more plastic and less stiff plastic in the other previously mentioned area allows better impact absorption.
  • the stiffer plastic has additives with components providing it with non-slip properties.

Abstract

The invention provides a pallet (1) comprising a main body (2) with a front surface (21) intended for receiving goods, a rear surface opposite the front surface (21) and a lateral perimeter (22), a plurality of shoes (3) fixed to the main body (2) by connection means (4), a first cavity comprised in the main body (2) with an inlet (5) located on the lateral perimeter (22) and a stiffening element (14) housed in this first cavity. The invention further comprises at least one securing element (6) fixed to the inlet (5) of the cavity and the stiffening element, where the securing element (6) comprises first fixing means adapted for being fixed to the stiffening element, and second fixing means adapted for being fixed to the inlet (5) of the cavity.

Description

    Object of the Invention
  • The present invention is comprised in the technical field of pallets for transporting goods.
    • Background of the Invention
  • There is a wide range of products in the field of pallets for transporting goods.
  • These pallets must comply with various stiffness and strength requirements with respect to different types of loads. They must also be compatible with logistic automation systems transporting them, and finally they must also be impact resistant. Therefore they often incorporate solutions that improve performance with respect to such requirements.
  • An example of these pallets is described in document ES1071497U . The pallet described in this document incorporates a series of stiffening tubes inserted into the top part or main body. In normal use, these tubes do not move, but due to the backlashes generated and the change in size caused by thermal expansion and shrinkage effects, it could cause the tubes to eventually protrude through the edges of the pallet, such that dirt can enter, causing inconveniences while at the same time reducing the mechanical properties of the pallet.
  • Additionally, these pallets have other problems such as difficulty in holding the film that is placed to cover the pallet and its goods when it are placed thereon, and the weak securing provided for the rubbers used to hinder sliding of said pallet.
    • Description of the Invention
  • The present invention provides a solution to the problems mentioned in the preceding section by means of a pallet according to claim 1. The dependent claims define preferred embodiments of the invention.
  • In a first inventive aspect, the invention relates to a pallet comprising
    a main body with a front surface intended for receiving goods, a rear surface opposite the front surface and a lateral perimeter,
    a plurality of shoes fixed to the main body by connection means,
    a first cavity comprised in the main body with an inlet located on the lateral perimeter,
    a stiffening element housed in this first cavity,
    the pallet being characterized in that it additionally comprises at least one securing element fixed to the inlet of the cavity and to the stiffening element,
    where the securing element comprises:
    • first fixing means adapted for being fixed to the stiffening element,
    • second fixing means adapted for being fixed to the inlet of the cavity.
  • This pallet advantageously allows the stiffening means to be fixed to the securing element, which is in turn fixed to the main body. The stiffening means are thereby prevented from moving or protruding from the main body, assuring that load strength is always the same.
  • In a particular embodiment, the first cavity is substantially in the shape of a cylinder and the stiffening element is substantially in the shape of a tube, the axes of the cylinder and tube being perpendicular to the lateral perimeter.
  • This embodiment allows a simpler fixing.
  • In a particular embodiment, the first fixing means comprise at least one substantially circular deformable element, the outer diameter of which is greater than the inner diameter of the stiffening element, such that it allows the securing element to be partially inserted into the stiffening element and remain fixed therein by friction.
  • This configuration allows the plug to participate in the stiffening function of the stiffening means when attaching the stiffening means to the main body to which it contributes to stiffening. Indeed, the fact that they are partially inserted allows the assembly formed by the stiffening means and the first fixing means to have a length greater than the stiffening means alone, which allows better stiffening of the pallet.
  • In a particular embodiment, the first fixing means comprise a set of deformable circular sheets which are inserted into the stiffening element and offer frictional resistance against the inner walls of the stiffening element. In a more particular embodiment, the first fixing means comprise three deformable circular sheets.
  • In a particular embodiment, the second fixing means comprise a tongue adapted for being fixed to the inlet of the cavity.
  • In a particular embodiment, the pallet additionally comprises a second cavity located on the front surface of the pallet, this second cavity having a polygonal shape intended for housing a non-slip element.
  • This embodiment allows a non-slip element to be snap-fitted into the polygonal cavity, such that once the sliding element is inside the cavity it cannot be removed without being damaged, preventing loss of these elements and also preventing them from being able to be taken out intact.
  • In a particular embodiment, the pallet additionally comprises a non-slip element manufactured from an elastomeric material which is housed inside the second cavity.
  • In a particular embodiment, the connection means comprise clamping elements suitable for being attached to the main body by clamping. In a particular embodiment, these connection means additionally comprise discharge openings.
  • These openings make the pallet washing operation easier since the interior of the connection means is hollow in a particular embodiment, and as a result of these openings water can come out of said hollow interior of the connection means and is therefore prevented from accumulating therein.
  • In a particular embodiment, the pallet additionally comprises projections, each of the projections having a root comprised on the lateral perimeter of the pallet and an end protruding from the lateral perimeter oriented towards the rear surface. In a particular embodiment, the projections are located in the corners of the lateral perimeter of the pallet.
  • This embodiment provides better gripping for the wrapping film because when the pallet and the goods it contains are wrapped with a wrapping film, the film is coupled in the projection and does not readily slide out of it.
  • In a particular embodiment, the shoes are replaceable. Therefore, the pallet is advantageously reparable, i.e., a shoe can be changed when it breaks. In a particular embodiment, this is achieved by means of protuberances in the area of the connection means intended for fitting into the main body. In a more particular embodiment, the lateral perimeter of the main body comprises windows such that in the coupling position, each protuberance is at the height of a window, such that each protuberance is partially inserted into a window, producing an abutment effect, such that once it is inserted into the main body, it cannot be removed by reversing the movement of entry. The protuberances are stiff enough so as to not significantly deform when the shoe is inserted into the main body.
  • In a particular embodiment, the protuberances comprise a wedge-shaped part to make insertion thereof into the main body easier, and a stepped area to prevent it from coming out once inserted. Furthermore, the central area of the shoe comprises adjustment means. This configuration means that in order to remove a shoe, it is necessary to first destroy the protuberances, for example with a drill or chisel, and then insert a lever in a disassembly opening made in the shoe, followed by a movement of the lever, causing the adjustment means to come out of the central part of the shoe. In a particular embodiment, the protuberances comprise a guide which allows directing an instrument, for example a drill or chisel, towards the center of the protrusion, such that it can be more easily destroyed.
  • In a particular embodiment, the pallet is molded providing the cavity intended for housing the stiffening element during molding and placing the stiffening element in this cavity before the pallet cools down and shrinks, so the interference fit between the cavity housing the stiffening element and said stiffening element is greater than in pallets known in the state of the art.
  • In a particular embodiment, the pallet is manufactured by two-component injection using two different plastic components, a stiffer one and another less stiff one. In a particular embodiment, the stiffer plastic is arranged in the part of the main body surrounding the stiffening element except the area close to the lateral perimeter, and the less stiff plastic is arranged in the area close to the lateral perimeter. Advantageously, arranging the stiffer plastic in the previously mentioned area improves mechanical performance of the pallet, and arranging the more plastic and less stiff plastic in the other previously mentioned area allows better impact absorption.
  • In a particular embodiment, the stiffer plastic has additives with components providing it with non-slip properties.
  • All the features and/or steps of methods described in this specification (including the claims, description and drawings) can be combined in any combination, except combinations of such mutually exclusive features.
    • Description of the Drawings
  • The foregoing and other advantages and features of the invention will be better understood from the following detailed description of a preferred embodiment provided only by way of illustrative and non-limiting example in reference to the attached drawings.
    • Figure 1 shows an example of a pallet according to the invention.
    • Figure 2 shows a detail of the securing element of a pallet according to the invention.
    • Figure 3 shows a detail of the second cavity of a pallet according to the invention.
    • Figure 4 shows a detail of the connection means of a pallet according to the invention.
    • Figures 5a-5b show details of the main body of a pallet according to the invention in which projections are seen.
    • Figures 6a-6b show details of the location of projections.
    • Figures 7a-7c show a particular view of a shoe disassembled from and assembled on a pallet according to the invention.
    Detailed Description of the Invention
  • Having explained the object of the invention, specific non-limiting embodiments will be described below.
  • Figure 1 shows an example of a pallet according to the invention. This drawing shows a pallet (1) comprising the following elements:
    • a main body (2) with a front surface (21) intended for receiving goods, a rear surface opposite the front surface (21) and a lateral perimeter (22),
    • a plurality of shoes (3) fixed to the main body (2) by connection means (4),
    • a first cavity comprised in the main body (2) with an inlet (5) located on the lateral perimeter (22), and
    • a stiffening element (14) housed in this first cavity.
  • This pallet (1) also has a securing element (6) intended for being fixed to the inlet (5) of the cavity and to the stiffening element. In this securing element (6) there are first fixing means adapted for being fixed to the stiffening element (14) and second fixing means adapted for being fixed to the inlet (5) of the cavity.
  • In this pallet (1), the first cavity is a substantially cylindrical cavity and the stiffening element (14) is a tube, the axis of the cylinder being perpendicular to the lateral perimeter (22). The invention thereby provides a stiffening element (14) which is arranged inside the main body (2) in the operative position, making it stiffer.
  • Figure 2 shows a detail of the fixing means. It can be seen that for better coupling, the first fixing means comprise at least one substantially circular deformable element (7), the outer diameter of which is greater than the inner diameter of the stiffening element (not depicted), such that it allows the securing element (6) to be partially inserted into the stiffening element (not depicted) and remain fixed therein by friction. In this case, the deformable element (7) comprises a set of three deformable circular sheets which are inserted into the stiffening element (not depicted) and offer frictional resistance against the inner walls of said stiffening element. Furthermore, the securing element (6) also comprises a beveled front part (15) favoring insertion of the securing element (6) into the stiffening element (not depicted). The second fixing means of the securing element (6) depicted in this drawing comprise a tongue (8) adapted for being fixed to the inlet of the cavity and a stop (16) adapted for hindering the securing element (6) from coming out once it is in its coupling position in the pallet (1).
  • Figure 3 shows a detail of a pallet (1) according to the invention. The pallet (1) of this drawing additionally comprises a second cavity (9) located on the front surface (21) of the pallet (1), this second cavity (9) having a polygonal shape intended for housing a non-slip element made of an elastomeric material intended for being snap-fitted into said second cavity (9).
  • Figure 4 shows a detail of a shoe (3) of a pallet (1) according to the invention. This shoe (3) is attached to the main body (2) by connection means (4) comprising clamping elements suitable for being attached to the main body (2) by clamping. Additionally, the shoe (3) comprises discharge openings (10).
  • In a preferred embodiment of the pallet (1) of the invention, the main body (2) of the pallet (1) additionally comprises projections (11) intended for holding a wrapping film that is usually placed for holding the load. Figures 5a to 5b show detailed views of the main body (2) of the pallet (1) where different embodiments of the projections (11) are seen. Each of the projections (11) has a root (12) comprised on the lateral perimeter (22) of the pallet (1) and an end (13) protruding from the lateral perimeter (22). In a particular embodiment, the end (13) of each projection (11) is oriented towards the rear surface of the main body (2). A hook effect suitable for holding the wrapping film and hindering accidental removal thereof is therefore created.
  • In preferred embodiments, these projections (11) are placed in the corners of the lateral perimeter (22). Figures 6a and 6b show this placement.
  • Figure 7a shows a particular view of a pallet (1) according to the invention in which the shoe (3) is separated from the main body (2). This drawing shows protuberances (31) comprised in the connection means (4) of the shoe (3) and windows (24) comprised on the lateral perimeter (22) of the main body (2). Furthermore, in the central area of the shoe (3) there are adjustment means (32) intended for being adjusted by clamping in the main body (2).
  • A detail of the disassembled shoe (3) can be seen in Figure 7b. This drawing shows how a protuberance (31) comprised in the connection means (4) of the shoe (3) comprises a wedge-shaped area (33) to make insertion thereof into the main body (2) easier, and a stepped area (34) to prevent it from coming out once inserted into the main body. It can also be seen how the protuberance comprises a guide (35) which allows directing an instrument, for example a drill or chisel, towards the center of the protrusion (31), such that it can be more easily destroyed if it is necessary to disassemble the shoe (3).
  • Figure 7c shows the coupling of the shoe (3) in the main body, such that each protuberance (31) is at the height of a window (24), such that each protuberance (31) is partially inserted into a window (24). Due to the previously mentioned configuration of the protuberance (31) comprising an wedge-shaped area and a stepped area, once the shoe (3) is inserted into main body (2) an abutment effect is produced, such that the shoe (3) cannot be removed by reversing the movement of entry. The protuberances (31) are stiff enough so as to not significantly deform when the shoe (3) is inserted into the main body (2), so they do not deform to make coming out easier.
  • This configuration prevents the shoe from being removed by simply pulling in the direction opposite the direction of entry of the shoe into the main body. A simple way to remove this shoe is by first destroying the protuberances, for example with a drill or chisel, and then inserting a lever in a disassembly opening (36) made in the shoe, as seen in Figure 7a, followed by a movement of the lever, causing the adjustment means to come out of the central part of the shoe. In a particular embodiment, the protuberances comprise a guide which allows directing an instrument, for example a drill or chisel, towards the center of the protrusion, such that it can be more easily destroyed.
  • In a particular embodiment, the pallet is molded providing the cavity intended for housing the stiffening element during molding and placing the stiffening element in this cavity before the pallet cools down and shrinks, so the interference fit between the cavity housing the stiffening element and said stiffening element is greater than in pallets known in the state of the art.
  • In a particular embodiment, the pallet is manufactured by two-component injection using two different plastic components, a stiffer one and another less stiff one. In a particular embodiment, the stiffer plastic is arranged in the part of the main body surrounding the stiffening element except the area close to the lateral perimeter, and the less stiff plastic is arranged in the area close to the lateral perimeter. Advantageously, arranging the stiffer plastic in the previously mentioned area improves mechanical performance of the pallet, and arranging the more plastic and less stiff plastic in the other previously mentioned area allows better impact absorption.
  • In a particular embodiment, the stiffer plastic has additives with components providing it with non-slip properties.

Claims (15)

  1. A pallet (1) comprising
    a main body (2) with a front surface (21) intended for receiving goods, a rear surface opposite the front surface (21) and a lateral perimeter (22),
    a plurality of shoes (3) fixed to the main body (2) by connection means (4),
    a first cavity comprised in the main body (2) with an inlet (5) located on the lateral perimeter (22),
    a stiffening element (14) housed in this first cavity, the pallet (1) being characterized in that it additionally comprises at least one securing element (6) fixed to the inlet (5) of the cavity and to the stiffening element,
    where the securing element (6) comprises:
    first fixing means adapted for being fixed to the stiffening element, and
    second fixing means adapted for being fixed to the inlet (5) of the cavity.
  2. The pallet (1) according to claim 1, wherein the first cavity is substantially in the shape of a cylinder and the stiffening element (14) is substantially in the shape of a tube, the axes of the cylinder and tube being perpendicular to the lateral perimeter (22).
  3. The pallet (1) according to the preceding claim, wherein the first fixing means comprise at least one substantially circular deformable element (7), the outer diameter of which is greater than the inner diameter of the stiffening element (14), such that it allows the securing element (6) to be partially inserted into the stiffening element (14) and remain fixed therein by friction.
  4. The pallet (1) according to the preceding claim, wherein the first fixing means comprise a set of deformable circular sheets which are inserted into the stiffening element and offer frictional resistance against the inner walls of the stiffening element (14).
  5. The pallet (1) according to any of the preceding claims, wherein the second fixing means comprise a tongue (8) adapted for being fixed to the inlet (5) of the cavity.
  6. The pallet (1) according to any of the preceding claims, additionally comprising a second cavity (9) located on the front surface (21) of the pallet (1), this second cavity (9) having a polygonal shape intended for housing a non-slip element.
  7. The pallet (1) according to the preceding claim, additionally comprising a non-slip element manufactured from an elastomeric material which is housed inside the second cavity (9).
  8. The pallet (1) according to any of the preceding claims, wherein the connection means (4) comprise clamping elements suitable for being attached to the main body (2) by clamping, these connection means (4) additionally comprising discharge openings (10).
  9. The pallet (1) according to any of the preceding claims, additionally comprising projections (11), each of the projections having a root (12) comprised on the lateral perimeter (22) of the pallet (1) and an end (13) protruding from the lateral perimeter (22) oriented towards the rear surface.
  10. The pallet (1) according to the preceding claim, wherein the projections (11) are located in the corners of the lateral perimeter (22) of the pallet (1).
  11. The pallet (1) according to any of the preceding claims, wherein the connection means (4) comprise at least one protuberance (31) located in the area intended for fitting in the main body (2).
  12. The pallet (1) according to the preceding claim, wherein the lateral perimeter (22) of the main body (2) comprises at least one window (24) arranged such that in the position in which the shoe (3) is coupled to the main body (2), the window (24) is located at the height of a protuberance (31), allowing the protuberance (31) to be inserted at least partially through the window (24).
  13. The pallet (1) according to any of the preceding claims, wherein the cavity intended for housing the stiffening element is provided during molding and the stiffening element is located in this cavity before the pallet cools down and shrinks.
  14. The pallet (1) according to any of the preceding claims, comprising at least two different types of plastic, a stiffer one and another less stiff one.
  15. The pallet (1) according to the preceding claim, wherein the stiffer plastic is arranged in the part of the main body surrounding the stiffening element except the area close to the lateral perimeter, and the less stiff plastic is arranged in the area close to the lateral perimeter.
EP15382022.0A 2015-01-29 2015-01-29 Pallet with safety elements Active EP3050816B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15382022.0A EP3050816B1 (en) 2015-01-29 2015-01-29 Pallet with safety elements
ES15382022.0T ES2657300T3 (en) 2015-01-29 2015-01-29 Pallet with safety elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15382022.0A EP3050816B1 (en) 2015-01-29 2015-01-29 Pallet with safety elements

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EP3050816B1 EP3050816B1 (en) 2017-11-22

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CN108639502A (en) * 2018-06-13 2018-10-12 四川力川塑料制品有限公司 A kind of river word assembling plastic pallet
EP3502002A1 (en) * 2017-12-22 2019-06-26 CPR System Societa' Cooperativa Pallet made of recycled heterogeneous plastics particularly for conveying goods
WO2020102048A1 (en) 2018-11-13 2020-05-22 Chep Technology Pty Limited Half-size plastic pallet with removable pallet support legs
EP3670374A3 (en) * 2018-12-21 2020-08-12 Ribawood, S.A. Nestable plastic pallet
US11352169B2 (en) * 2019-01-18 2022-06-07 Rehrig Pacific Company Pallet assembly

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EP3502002A1 (en) * 2017-12-22 2019-06-26 CPR System Societa' Cooperativa Pallet made of recycled heterogeneous plastics particularly for conveying goods
CN108639502A (en) * 2018-06-13 2018-10-12 四川力川塑料制品有限公司 A kind of river word assembling plastic pallet
CN108639502B (en) * 2018-06-13 2023-09-15 四川力川塑料制品有限公司 Chuan word assembly plastic tray
JP2022507196A (en) * 2018-11-13 2022-01-18 シーエイチイーピー テクノロジー プロプライエタリー リミテッド Half-sized plastic pallet with removable pallet support legs
JP2022507195A (en) * 2018-11-13 2022-01-18 シーエイチイーピー テクノロジー プロプライエタリー リミテッド Stackable half-size plastic pallets
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US11104478B2 (en) * 2018-11-13 2021-08-31 Chep Technology Pty Limited Half-size plastic pallet with grommets in the top deck
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JP2022507197A (en) * 2018-11-13 2022-01-18 シーエイチイーピー テクノロジー プロプライエタリー リミテッド Stackable, half-sized reconfigurable pallet / trolley platform
CN113015680A (en) * 2018-11-13 2021-06-22 集保科技有限公司 Half-size plastic pallet with removable pallet support feet
CN113015680B (en) * 2018-11-13 2023-04-11 集保科技有限公司 Half-size plastic pallet with removable pallet support feet
EP3880566A4 (en) * 2018-11-13 2022-08-24 CHEP Technology Pty Limited Half-size plastic pallet with removable pallet support legs
EP3880565A4 (en) * 2018-11-13 2022-08-24 CHEP Technology Pty Limited Stackable half-size reconfigurable pallet/dolly platform
AU2019378704B2 (en) * 2018-11-13 2023-01-05 Chep Technology Pty Limited Half-size plastic pallet with removable pallet support legs
AU2019378705B2 (en) * 2018-11-13 2023-01-12 Chep Technology Pty Limited Half-size plastic pallet with grommets in the top deck
US11554895B2 (en) 2018-11-13 2023-01-17 Chep Technology Pty Limited Half-size plastic pallet with removable pallet support legs
AU2019380343B2 (en) * 2018-11-13 2023-03-30 Chep Technology Pty Limited Stackable half-size plastic pallet
EP3670374A3 (en) * 2018-12-21 2020-08-12 Ribawood, S.A. Nestable plastic pallet
US11352169B2 (en) * 2019-01-18 2022-06-07 Rehrig Pacific Company Pallet assembly

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