EP1675775A1 - A pallet - Google Patents

A pallet

Info

Publication number
EP1675775A1
EP1675775A1 EP04761426A EP04761426A EP1675775A1 EP 1675775 A1 EP1675775 A1 EP 1675775A1 EP 04761426 A EP04761426 A EP 04761426A EP 04761426 A EP04761426 A EP 04761426A EP 1675775 A1 EP1675775 A1 EP 1675775A1
Authority
EP
European Patent Office
Prior art keywords
pallet
pallet according
decks
deck
fastening 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
Application number
EP04761426A
Other languages
German (de)
French (fr)
Other versions
EP1675775A4 (en
EP1675775B1 (en
Inventor
Alexander William Marshall Bailey
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.)
Individual
Original Assignee
Individual
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
Priority claimed from AU2003905661A external-priority patent/AU2003905661A0/en
Application filed by Individual filed Critical Individual
Priority to EP12196543A priority Critical patent/EP2570357A1/en
Publication of EP1675775A1 publication Critical patent/EP1675775A1/en
Publication of EP1675775A4 publication Critical patent/EP1675775A4/en
Application granted granted Critical
Publication of EP1675775B1 publication Critical patent/EP1675775B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/003—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B65D19/0042—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of more than one element
    • B65D19/0046—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0048—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of 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
    • 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
    • B65D2519/00024—Metal
    • 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
    • B65D2519/00059—Metal
    • 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
    • B65D2519/00084—Materials for the non-integral separating spacer
    • B65D2519/00094—Metal
    • 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
    • B65D2519/00119—Materials for the construction of the reinforcements
    • B65D2519/00129—Metal
    • 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
    • B65D2519/00313—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
    • B65D2519/00368—Overall construction of the non-integral separating spacer
    • B65D2519/00378—Overall construction of the non-integral separating spacer whereby at least one spacer is made of two or more pieces
    • 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
    • B65D2519/00447—Non-integral, e.g. inserts on the non-integral separating spacer
    • 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
    • B65D2519/00562—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 chemical connection, e.g. glued, welded, sealed
    • 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
    • B65D2519/00572—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer with separate auxiliary element, e.g. screws, nails, bayonets
    • 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 relates to pallets and in particular to a multi-purpose pallet having detachable components.
  • Pallets made of wood are typically used throughout the world for easy storing and transporting of goods. These pallets are generally of a square shape having an upper and lower deck made of a series of wooden planks and at least two solid wooden beams therebetween. The pallet is normally nailed together and includes slots within which a forklift's tines or other material handling devices can be located for lifting and moving the pallet.
  • Known pallets suffer from many disadvantages.
  • a metal pallet having: a top deck; a bottom deck; and at least two elongate bearers securing said decks together; each bearer having a first portion and second portion, each portion extends separately between said decks and has a top web and a bottom web connected to a central web by inclined portions.
  • said central webs of said first and second portions are releasably securable together.
  • said central webs are substantially normal to said decks.
  • said top and bottom webs are releasably securable to said decks.
  • said webs are releasably securable to said decks and/or each other by fastening means.
  • said fastening means are threaded fasteners.
  • said pallet includes a plurality of holes for receiving each said fastening means.
  • said fastening means are welds or rivets.
  • said pallet is of a generally rectangular configuration having a front edge, a rear edge and two side edges.
  • at least one edge includes a cover plate.
  • at least one elongate bearer includes a stiffener.
  • at least one bearer includes an end cap.
  • said top and/or bottom deck is of a profiled configuration.
  • said profiled configuration are corrugations.
  • said pallet includes sheet material secured to at least one said deck.
  • said pallet includes cavities for receipt of tines of a forklift or other handling equipment.
  • said cavities are located on all sides of said pallet.
  • Figure 1 is a partial perspective view of a bearer for a pallet of an embodiment of the present invention
  • Figure 2 is a perspective view of a pallet of an embodiment of the present invention
  • Figure 3 is a partial perspective view of the pallet of Figure 2 with attachments
  • Figure 4 is a partial side view of the pallet of Figure 2 with attachments.
  • Figures 5a to 5d are cross-sectional views of bearer embodiments for a pallet of the present invention
  • Figures 6a to 6c are partial side views of embodiments of the invention showing recesses for tines of a forklift
  • Figures 7a and 7b are perspective views showing the four way openings of Figs. 6a to 6c
  • Figure 8 shows a cross-sectional view of an alternate embodiment of the pallet of Fig. 1.
  • a pallet 1 manufactured of metal typically galvanised steel or aluminium.
  • the pallet 1 includes a top deck 5, a bottom deck 10 and at least two elongate bearers 15 securing the decks 5, 10 together.
  • each bearer 15 has a first portion 16 and a second portion 17 extending separately between the decks 5, 10 and having a top web 20 and a bottom web 25 connected to a central web 30 by inclined portions 35.
  • the webs 20, 25, 30 of the first and second portions 16, 17 are releasably securable to each other and the decks 5, 10 by fastening means 40 such as a threaded fastener which is typically located in holes 45.
  • the central webs 30 are substantially vertical or normal to the decks 5, 10.
  • the fastening means 40 could be a weld or rivet, the pallet 1 easily being repaired by drilling out the weld or rivet, replacing the part and re-welding or riveting.
  • the portions 16, 17 of the bearers 15 are positioned abutting each other and fastening means 40 in the form of a threaded fastener, spot welds, blind rivet or the like secure the two central webs 30 together.
  • the pallet 1 can also include a counter-sunk bore or aperture in the holes 45 for hiding the fastening means 40 below the plane of the adjacent surfaces. This will ensure no sharp objects, such as the end of a bolt, protrude above the adjacent surface of the deck 5, 10.
  • the elongate bearer 15 can also include a stiffener strip 50 to provide further support to the bearer 15 when the pallet 1 is required for heavy loads.
  • the stiffener strip 50 is merely attached along the central web 30 at the holes 45 for the fastening means 40.
  • the pallet 1 can also include many additional components to provide a more profiled pallet 1.
  • the top or bottom decks 5, 10 can include profiled configurations such as corrugations as best seen in Figures 2 and 7a, 7b. Cover plates and end caps 55 or the like as seen in Figures 3 and 4 could also be utilised.
  • the top and bottom webs 20, 25 are load support flanges providing an opening 47 therebetween allowing access for spot welding or attaching threaded fasteners such as screws or bolts or the like.
  • the separator of the portions 16, 17 also allows for only one side of the bearer 15 to be replaced if required.
  • the webs 20, 25 are abutting.
  • a rounded non- sharp edge is preferably provided between the webs 20, 25 and inclined portions 35.
  • the overall dimensions of all components can change depending upon the required pallet 1.
  • a standard 1000 x 1200 cm pallet 1 is shown.
  • the pallet 1 dimensions can vary to suit particular industry requirements such as, 1165 x 1165 cm, for example.
  • the decks 5, 10 can be in varying configurations, such as corrugations, flat panels, curves or the like.
  • the corrugations for example, can be in any direction, non- uniform, and/or a combination of directions or shapes depending on the load to be lifted and moved.
  • galvanised steel corrugations are shown providing superior strength and durability.
  • the corrugations also provide maximum surface contact while retaining structural adequacy.
  • a 100% flat surface 79 can be provided in place of the corrugations or affixed to the top of the corrugations (see Figure 4) or a combination of surfaces can be provided.
  • the advantages of the pallet 1 as shown herein is that all components can be disassembled and reassembled or damaged components easily replaced, if required.
  • Shaped sleeves 60 (as best seen in Figure 4) made of any material could also be added to cover edges and increase strength. End caps 55 could also be added to provide a more aesthetically looking pallet 1, provide impact resistance, cover apertures and edges at the ends of the bearers 15. If corrugations are used an edge strip 65 could also be provided to seal in any openings for hygiene requirements. There is also shown in Figures 2, 6a to 6c, 7a and 7b, openings 75 for the tines or wheels of forklifts and pallet trucks.
  • the pallet 1 could also include a cross member (not shown) between the bearers 15 or inside the corrugations to provide additional support for very heavy loads.
  • Figure 4 also shows additional componentary including a lip 77 formed in the corrugations to ensure no sharp edges and to stiffen against impact from a forklift.
  • a separate U-shaped cover 60 could also be provided as mentioned above.
  • the lip 77 also provides an increase in the horizontal strength of the pallet 1.
  • This embodiment also shows a further sheet material 79 across the top of the corrugations and a stiffener strip 50.
  • the sheet material 79 could be galvanised steel, timber, plastic or any other material, if required.
  • Figures 5a to 5d and 8 show different embodiments of the bearer 15. These embodiments are utilised for different fastener combinations allowing easy access to the bearer 15.
  • additional members 80 can be included to receive the decks 5, 10.
  • Figures 6a to 6c, 7a and 7b show further embodiments of the invention, detailing openings 75 in the pallet 1 for allowing four way entry for a lifting device.
  • Figure 8 shows a further embodiment of the invention having fastening means 40 in the form of a screw and rivet.
  • the webs 20 and 25 are turned inward to reduce sharp edges.
  • the pallet 1 disclosed herein can be completely disassembled as all components can be replaced individually quickly and inexpensively.
  • Pallet 1 has extremely strong load bearing capacity due to the angles of the members making up the portions 16, 17; has structural adequacy and load distribution for rotational movements; the shape can be altered in all dimensions and angles for various purposes; smooth non sharp surfaces on each bearer 15 horizontal side surfaces; small cross sectional area of end maximises width of openings 75 for fork lift tines; allows for bolted, riveted, screwed or welded fixings 40 for joins and decks 5, 10 to bearers 15; holes or apertures 45 are recessed allowing for non protruding fixings/connections; external side has no visible joins, resists dirt collection; interior space is minimised to reduce contamination area; interior space small to enhance any cleaning pressure hose effect; the bearers 15 could be galvanised steel or aluminium.
  • the deck 5, 10 and the additional sheet material layer 79 could be steel, timber, plastic, paperboard, composites or fibres.
  • the steel bearers 15 for example could support timber decking and be secured by a threaded nail, bolt or the like.
  • the bearer 15 shape allows for mid height horizontal stiffener 50 attachment for extra heavy loads; bearer shape can be segmented to allow for 4 way pallet option; deck 5, 10 can be adapted to 100% coverage if pallet 1 purpose requires; one or more additional decks 5, 10 could be added; allows hygienic adaptability for food industry requirements; deck board profile can have edge returns 77 roll formed to avoid sharp edges; deck board edge return 60 to stiffen end against fork lift and pallet truck impact; bearer 15 shape allows for timber deck boards if necessary; deck board shape can have steel strip attached to cover cavities; deck board profile can have 45-60 degree folded ends to eliminate sharp edges; and alternatively deck boards can have horizontal angle cover attachment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Body Structure For Vehicles (AREA)
  • Road Paving Machines (AREA)

Abstract

A metal pallet (1) having: a top deck (5), a bottom deck (10) and at least two elongate bearers (15) securing the decks (5, 10) together. Each bearer (15) having a first portion (16) and a second portion (17), each portion (16, 17) extends separately between the decks (5, 10) and has a top web (20) and a bottom web (25) connected to a central web (30) by inclined portions (35).

Description

A PALLET
Field of the Invention The present invention relates to pallets and in particular to a multi-purpose pallet having detachable components. Background of the Invention Pallets made of wood are typically used throughout the world for easy storing and transporting of goods. These pallets are generally of a square shape having an upper and lower deck made of a series of wooden planks and at least two solid wooden beams therebetween. The pallet is normally nailed together and includes slots within which a forklift's tines or other material handling devices can be located for lifting and moving the pallet. Known pallets suffer from many disadvantages. For example; they are expensive to manufacture; require repeated repair; are limited to standard sizes; have protruding fixings or connections; are limited in the amount they can carry; are easy to damage or break; are heavy; difficult to attach additional components when required; absorb moisture, liquids and odours; are a fire risk; can have termite and insect contamination; splinter easily; the nails can loosen; have a short life span and the timber used is generally from hardwood forests. Of particular concern is that wood pallets damaged easily and the repair or replacement of the pallet is expensive, time consuming and it is usually easier to just discard the pallet. Further, wood pallets retain dirt and other undesirable substances which minimises their use in contamination or hygienic areas such as the food or medical industries. Metal and plastic pallets have also been developed. These types of pallets have many disadvantages similar to wood pallets. Accordingly, there is a need for a lightweight metal pallet that has releasably connectable parts for easy maintenance and repair, overcomes debris and contamination problems and includes no sharp edges.
Object of the Invention It is an object of the present invention to overcome or ameliorate some of the disadvantages of the prior art, or at least to provide a useful alternative. Summary of the Invention There is firstly disclosed herein a metal pallet having: a top deck; a bottom deck; and at least two elongate bearers securing said decks together; each bearer having a first portion and second portion, each portion extends separately between said decks and has a top web and a bottom web connected to a central web by inclined portions. Preferably, said central webs of said first and second portions are releasably securable together. Preferably, said central webs are substantially normal to said decks. Preferably, said top and bottom webs are releasably securable to said decks. Preferably, said webs are releasably securable to said decks and/or each other by fastening means. Preferably, said fastening means are threaded fasteners. Preferably, said pallet includes a plurality of holes for receiving each said fastening means. Preferably, said fastening means are welds or rivets. Preferably, said pallet is of a generally rectangular configuration having a front edge, a rear edge and two side edges. Preferably, at least one edge includes a cover plate. Preferably, at least one elongate bearer includes a stiffener. Preferably, at least one bearer includes an end cap. Preferably, said top and/or bottom deck is of a profiled configuration. Preferably, said profiled configuration are corrugations. Preferably, said pallet includes sheet material secured to at least one said deck. Preferably, said pallet includes cavities for receipt of tines of a forklift or other handling equipment. Preferably, said cavities are located on all sides of said pallet. Brief Description of the Drawings A preferred form of the present invention will now be described, by way of example only, with reference to the accompanying drawings wherein: Figure 1 is a partial perspective view of a bearer for a pallet of an embodiment of the present invention; Figure 2 is a perspective view of a pallet of an embodiment of the present invention; Figure 3 is a partial perspective view of the pallet of Figure 2 with attachments; Figure 4 is a partial side view of the pallet of Figure 2 with attachments. Figures 5a to 5d are cross-sectional views of bearer embodiments for a pallet of the present invention; Figures 6a to 6c are partial side views of embodiments of the invention showing recesses for tines of a forklift; Figures 7a and 7b are perspective views showing the four way openings of Figs. 6a to 6c; and Figure 8 shows a cross-sectional view of an alternate embodiment of the pallet of Fig. 1. Detailed Description of the Preferred Embodiments There is disclosed herein a pallet 1 manufactured of metal typically galvanised steel or aluminium. The pallet 1 includes a top deck 5, a bottom deck 10 and at least two elongate bearers 15 securing the decks 5, 10 together. As best seen in Figures 1, 5a to 5d and 8 each bearer 15 has a first portion 16 and a second portion 17 extending separately between the decks 5, 10 and having a top web 20 and a bottom web 25 connected to a central web 30 by inclined portions 35. In use, the webs 20, 25, 30 of the first and second portions 16, 17 are releasably securable to each other and the decks 5, 10 by fastening means 40 such as a threaded fastener which is typically located in holes 45. In the preferred form the central webs 30 are substantially vertical or normal to the decks 5, 10. Alternatively, the fastening means 40 could be a weld or rivet, the pallet 1 easily being repaired by drilling out the weld or rivet, replacing the part and re-welding or riveting. Typically, the portions 16, 17 of the bearers 15 are positioned abutting each other and fastening means 40 in the form of a threaded fastener, spot welds, blind rivet or the like secure the two central webs 30 together. The pallet 1 can also include a counter-sunk bore or aperture in the holes 45 for hiding the fastening means 40 below the plane of the adjacent surfaces. This will ensure no sharp objects, such as the end of a bolt, protrude above the adjacent surface of the deck 5, 10. As best seen in Figure 3, the elongate bearer 15 can also include a stiffener strip 50 to provide further support to the bearer 15 when the pallet 1 is required for heavy loads. The stiffener strip 50 is merely attached along the central web 30 at the holes 45 for the fastening means 40. The pallet 1 can also include many additional components to provide a more profiled pallet 1. For example, the top or bottom decks 5, 10 can include profiled configurations such as corrugations as best seen in Figures 2 and 7a, 7b. Cover plates and end caps 55 or the like as seen in Figures 3 and 4 could also be utilised. Referring specifically to Figures 1, 5a to 5c and 8, the top and bottom webs 20, 25 are load support flanges providing an opening 47 therebetween allowing access for spot welding or attaching threaded fasteners such as screws or bolts or the like. The separator of the portions 16, 17 also allows for only one side of the bearer 15 to be replaced if required. In a preferred fonn, the webs 20, 25 are abutting. A rounded non- sharp edge is preferably provided between the webs 20, 25 and inclined portions 35. The overall dimensions of all components can change depending upon the required pallet 1. In Figure 2 a standard 1000 x 1200 cm pallet 1 is shown. The pallet 1 dimensions can vary to suit particular industry requirements such as, 1165 x 1165 cm, for example. The decks 5, 10 can be in varying configurations, such as corrugations, flat panels, curves or the like. The corrugations for example, can be in any direction, non- uniform, and/or a combination of directions or shapes depending on the load to be lifted and moved. In the embodiment shown, galvanised steel corrugations are shown providing superior strength and durability. The corrugations also provide maximum surface contact while retaining structural adequacy. However, a 100% flat surface 79 can be provided in place of the corrugations or affixed to the top of the corrugations (see Figure 4) or a combination of surfaces can be provided. The advantages of the pallet 1 as shown herein is that all components can be disassembled and reassembled or damaged components easily replaced, if required. Shaped sleeves 60 (as best seen in Figure 4) made of any material could also be added to cover edges and increase strength. End caps 55 could also be added to provide a more aesthetically looking pallet 1, provide impact resistance, cover apertures and edges at the ends of the bearers 15. If corrugations are used an edge strip 65 could also be provided to seal in any openings for hygiene requirements. There is also shown in Figures 2, 6a to 6c, 7a and 7b, openings 75 for the tines or wheels of forklifts and pallet trucks. The pallet 1 could also include a cross member (not shown) between the bearers 15 or inside the corrugations to provide additional support for very heavy loads. Figure 4 also shows additional componentary including a lip 77 formed in the corrugations to ensure no sharp edges and to stiffen against impact from a forklift. A separate U-shaped cover 60 could also be provided as mentioned above. The lip 77 also provides an increase in the horizontal strength of the pallet 1. This embodiment also shows a further sheet material 79 across the top of the corrugations and a stiffener strip 50. The sheet material 79 could be galvanised steel, timber, plastic or any other material, if required. Figures 5a to 5d and 8 show different embodiments of the bearer 15. These embodiments are utilised for different fastener combinations allowing easy access to the bearer 15. As seen in Figures 5a and 5b additional members 80 can be included to receive the decks 5, 10. Figures 6a to 6c, 7a and 7b show further embodiments of the invention, detailing openings 75 in the pallet 1 for allowing four way entry for a lifting device. Figure 8, shows a further embodiment of the invention having fastening means 40 in the form of a screw and rivet. The webs 20 and 25 are turned inward to reduce sharp edges. The pallet 1 disclosed herein can be completely disassembled as all components can be replaced individually quickly and inexpensively. Pallet 1 has extremely strong load bearing capacity due to the angles of the members making up the portions 16, 17; has structural adequacy and load distribution for rotational movements; the shape can be altered in all dimensions and angles for various purposes; smooth non sharp surfaces on each bearer 15 horizontal side surfaces; small cross sectional area of end maximises width of openings 75 for fork lift tines; allows for bolted, riveted, screwed or welded fixings 40 for joins and decks 5, 10 to bearers 15; holes or apertures 45 are recessed allowing for non protruding fixings/connections; external side has no visible joins, resists dirt collection; interior space is minimised to reduce contamination area; interior space small to enhance any cleaning pressure hose effect; the bearers 15 could be galvanised steel or aluminium. The deck 5, 10 and the additional sheet material layer 79 could be steel, timber, plastic, paperboard, composites or fibres. The steel bearers 15 for example could support timber decking and be secured by a threaded nail, bolt or the like. The bearer 15 shape allows for mid height horizontal stiffener 50 attachment for extra heavy loads; bearer shape can be segmented to allow for 4 way pallet option; deck 5, 10 can be adapted to 100% coverage if pallet 1 purpose requires; one or more additional decks 5, 10 could be added; allows hygienic adaptability for food industry requirements; deck board profile can have edge returns 77 roll formed to avoid sharp edges; deck board edge return 60 to stiffen end against fork lift and pallet truck impact; bearer 15 shape allows for timber deck boards if necessary; deck board shape can have steel strip attached to cover cavities; deck board profile can have 45-60 degree folded ends to eliminate sharp edges; and alternatively deck boards can have horizontal angle cover attachment. Although the invention has been described with reference to specific examples, it will be appreciated by those skilled in the art that the invention may be embodied in many other forms and other structures.

Claims

CLAIMS 1. A metal pallet having: a top deck; a bottom deck; and at least two elongate bearers securing said decks together; each bearer having a first portion and second portion, each portion extends separately between said decks and has a top web and a bottom web connected to a central web by inclined portions.
2. The pallet according to claim 1, wherein said central webs of said first and second portions are releasably securable together.
3. The pallet according to claim 1 or 2, wherein said central webs are substantially normal to said decks.
4. The pallet according to any one of claims 1 to 3, wherein said top and bottom webs are releasably securable to said decks.
5. The pallet according to any one of the preceding claims, wherein said webs are releasably securable to said decks and/or each other by fastening means.
6. The pallet according to claim 5, wherein said fastening means are threaded fasteners.
7. The pallet according to claim 5 or 6, wherein said pallet includes a plurality of holes for receiving each said fastening means.
8. The pallet according to claim 5, wherein said fastening means are welds or rivets.
9. The pallet according to any one of the preceding claims, wherein said pallet is of a generally rectangular configuration having a front edge, a rear edge and two side edges.
10. The pallet according to claim 9, wherein at least one edge includes a cover plate.
11. The pallet according to any one of the preceding claims, wherein at least one elongate bearer includes a stiffener.
12. The pallet according to any one of the preceding claims, wherein at least one bearer includes an end cap.
13. The pallet according to any one of the preceding claims, wherein said top and/or bottom deck is of a profiled configuration.
14. The pallet according to claim 13, wherein said profiled configuration are corrugations.
15. The pallet according to any one of the preceding claims, wherein said pallet includes sheet material secured to at least one said deck 16. The pallet according to any one of the preceding claims, wherein said pallet includes cavities for receipt of tines of a forklift or other handling equipment. 17. The pallet according to claim 16, wherein said cavities are located on all sides of said pallet.
EP04761426A 2003-10-15 2004-10-13 Metal pallet Not-in-force EP1675775B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12196543A EP2570357A1 (en) 2003-10-15 2004-10-13 A Pallet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2003905661A AU2003905661A0 (en) 2003-10-15 Pallet
PCT/AU2004/001397 WO2005037667A1 (en) 2003-10-15 2004-10-13 A pallet

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EP1675775A1 true EP1675775A1 (en) 2006-07-05
EP1675775A4 EP1675775A4 (en) 2009-01-14
EP1675775B1 EP1675775B1 (en) 2012-12-12

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EP12196543A Withdrawn EP2570357A1 (en) 2003-10-15 2004-10-13 A Pallet

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US (1) US20060196394A1 (en)
EP (2) EP1675775B1 (en)
JP (1) JP2007508211A (en)
KR (1) KR101288393B1 (en)
CN (1) CN1867494B (en)
BR (1) BRPI0415490A (en)
CA (1) CA2542366C (en)
HK (1) HK1086238A1 (en)
IL (1) IL174945A0 (en)
MX (1) MXPA06004140A (en)
RU (1) RU2006116488A (en)
WO (1) WO2005037667A1 (en)
ZA (1) ZA200603716B (en)

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CN103738589B (en) * 2013-12-11 2017-01-04 无锡中鼎物流设备有限公司 A kind of Hollow heat insulation tray
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Also Published As

Publication number Publication date
EP2570357A1 (en) 2013-03-20
KR101288393B1 (en) 2013-07-22
EP1675775A4 (en) 2009-01-14
US20060196394A1 (en) 2006-09-07
KR20060123157A (en) 2006-12-01
ZA200603716B (en) 2007-09-26
IL174945A0 (en) 2006-08-20
JP2007508211A (en) 2007-04-05
HK1086238A1 (en) 2006-09-15
EP1675775B1 (en) 2012-12-12
RU2006116488A (en) 2007-11-27
WO2005037667A1 (en) 2005-04-28
CN1867494B (en) 2011-08-03
MXPA06004140A (en) 2006-08-25
CA2542366C (en) 2011-09-20
BRPI0415490A (en) 2006-12-26
CA2542366A1 (en) 2005-04-28
CN1867494A (en) 2006-11-22

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