WO2005090177A1 - Pallet and method for manufacturing the same - Google Patents

Pallet and method for manufacturing the same Download PDF

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Publication number
WO2005090177A1
WO2005090177A1 PCT/JP2005/005665 JP2005005665W WO2005090177A1 WO 2005090177 A1 WO2005090177 A1 WO 2005090177A1 JP 2005005665 W JP2005005665 W JP 2005005665W WO 2005090177 A1 WO2005090177 A1 WO 2005090177A1
Authority
WO
WIPO (PCT)
Prior art keywords
pallet
coating
main body
slip
resin
Prior art date
Application number
PCT/JP2005/005665
Other languages
French (fr)
Japanese (ja)
Inventor
Tatsurou Okano
Takao Masuda
Mitsuo Morita
Satoshi Nobe
Original Assignee
Sumitomo Seika Chemicals Co., Ltd.
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 Sumitomo Seika Chemicals Co., Ltd. filed Critical Sumitomo Seika Chemicals Co., Ltd.
Publication of WO2005090177A1 publication Critical patent/WO2005090177A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D19/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004Rigid pallets without side walls
    • B65D19/0053Rigid pallets without side walls the load supporting surface being made of more than one element
    • B65D19/0077Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0089Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces the base surface being made of more than one element
    • B65D19/0093Rigid pallets without side walls the load supporting surface being made of more than one 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
    • B65D19/0095Rigid pallets without side walls the load supporting surface being made of more than one 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00014Materials for the load supporting surface
    • B65D2519/00024Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00049Materials for the base surface
    • B65D2519/00059Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00009Materials
    • B65D2519/00084Materials for the non-integral separating spacer
    • B65D2519/00094Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00263Overall construction of the pallet
    • B65D2519/00273Overall construction of the pallet made of more than one piece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00283Overall construction of the load supporting surface
    • B65D2519/00293Overall construction of the load supporting surface made of more than one piece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00283Overall construction of the load supporting surface
    • B65D2519/00298Overall construction of the load supporting surface skeleton type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00313Overall construction of the base surface
    • B65D2519/00323Overall construction of the base surface made of more than one piece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00313Overall construction of the base surface
    • B65D2519/00328Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00333Overall construction of the base surface shape of the contact surface of the base contact surface having a stringer-like shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00258Overall construction
    • B65D2519/00368Overall construction of the non-integral separating spacer
    • B65D2519/00378Overall construction of the non-integral separating spacer whereby at least one spacer is made of two or more pieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00547Connections
    • B65D2519/00552Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00557Structures 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
    • B65D2519/00562Structures 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2519/00Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004Details relating to pallets
    • B65D2519/00736Details
    • B65D2519/00825Finishing of the external surfaces
    • B65D2519/0083Anti-slip means
    • B65D2519/00835Integral

Definitions

  • the present invention relates to a pallet and a method for manufacturing the pallet, and more particularly to a pallet used as a pedestal on which an article such as a material or a product is transported or stored in a warehouse, and a method for manufacturing the pallet.
  • pallets are usually used as pedestals in order to enhance the transportability of articles by forklifts.
  • Conventional pallets have been manufactured by combining wooden, resin or metal members into a predetermined shape into which a fork of a forklift can be inserted.
  • wooden pallets are relatively inexpensive, but are heavy, are difficult to handle due to the generation of wood chips and thorns, and are easy to rot due to the occurrence of power insects. There is a defect.
  • tree felling is being curbed, and it is highly likely that a switch to pallets of other materials will be made in the future.
  • resin pallets are difficult to rot and are easy to handle, but have problems such as heavy weight, easy deformation, limited load-bearing capacity, high cost, and large surface slipperiness.
  • metal pallets are lightweight, high-strength and easy to obtain strong rigidity, do not require smoke or chemical treatment to suppress the generation of insects, and are easy to recycle.
  • the surface is smooth, there is a problem that the surface is more slippery than a wooden or resin pallet.
  • the pallets of the respective materials have their advantages and disadvantages, but they are common in that the surface is smooth. Slippery surfaces on the pallet may cause slippage or collapse of goods during transportation, and may also cause workers working on the pallet to fall, so it is preferable to take control measures.
  • metal pallets have a higher risk of slipping of goods, falling of loads, and falling of workers than wooden or resin pallets, and there is a high need to increase anti-slip properties.
  • An object of the present invention is to realize a pallet excellent in slip resistance at a low cost. Disclosure of the invention
  • the present inventors have conducted intensive studies in order to solve the above-mentioned problems, and as a result, have found that when a predetermined coating film is disposed on the surface, the pallet has improved anti-slip properties, and thus completed the present invention.
  • the pallet of the present invention is for placing articles, and includes a main body formed in a predetermined shape, and a non-slip coating film disposed on the surface of the main body.
  • the main body is made of, for example, metal.
  • anti-slip coatings are usually The starting angle is more than 15 degrees.
  • the anti-slip coating film used in this pallet is preferably formed of a powder coating, particularly preferably a polyolefin resin powder coating.
  • the polyolefin resin powder coating usually contains at least one selected from the group consisting of polyethylene resin, polypropylene resin, ethylene / acrylic acid copolymer resin, and ethylene vinyl acetate copolymer resin. Is preferably used.
  • the polyolefin-based resin powder coating preferably contains a foaming agent.
  • Such a pallet of the present invention has excellent anti-slip properties and is inexpensive because the anti-slip coating is disposed on the surface of the main body.
  • the pallet group according to the present invention includes a plurality of pallets for placing articles, each of which includes a main body formed into a predetermined shape and a non-slip coating film disposed on a surface of the main body.
  • the plurality of pallets are classified into at least two types depending on the color of the anti-slip coating film.
  • each pallet can be easily distinguished or distinguished by the color of the anti-slip coating film.
  • a method for manufacturing a pallet according to the present invention is a method for manufacturing a pallet for placing articles, a step of preparing a plurality of members for forming a main body of the pallet, and a step of preparing each of the plurality of members.
  • a step of forming a main body of the pallet by combining a plurality of members provided with a film of the anti-slip paint into a predetermined shape and joining the members together.
  • each of the plurality of members is made of, for example, metal.
  • a pallet having excellent anti-slip properties can be inexpensively manufactured.
  • Another method for manufacturing a pallet according to the present invention is a method for manufacturing a pallet for placing an article thereon as well, wherein a step of preparing a main body formed in a predetermined shape, Applying a non-slip coating.
  • the main body is made of, for example, metal.
  • the anti-slip coating is usually applied by any one of a fluid immersion coating method and an electrostatic coating method.
  • a pallet having excellent anti-slip properties can be manufactured at low cost.
  • FIG. 1 is a perspective view of a pallet according to one embodiment of the present invention.
  • FIG. 2 is a perspective view of a girder used in the pallet.
  • FIG. 3 is a perspective view of a girder piece used in the pallet.
  • FIG. 4 is a partially enlarged perspective view of the pallet.
  • FIG. 5 is an explanatory diagram of a method of measuring a slip start angle.
  • a pallet 1 is made of metal and mainly includes a main body 2 and a coating film 3 covering the entire surface of the main body 2.
  • the main body 2 is a skeleton that defines the shape of the pallet 1 and includes a lower deck 10 and an upper deck 20.
  • the lower deck 10 consists of three columns 11. As shown in FIG. 2, each column 11 is sandwiched between two plate-like members 12 arranged in parallel with each other, and both ends and a central portion of the plate-like member 12 in the longitudinal direction. Three digit pieces 13.
  • Plate 1 Reference numeral 2 denotes a long rectangular member, which has a plurality of unevennesses 14 extending in the length direction for increasing strength.
  • the girder 1 13 is formed in a substantially rectangular cylindrical shape as shown in FIG. 3, and the horizontally formed contact surface 15 for joining the plate-like body 12 is located near the upper and lower ends. Have.
  • the contact surface 15 is formed so that the tip does not protrude from the outer periphery of the girder block 13 for safety considerations.
  • the plate-shaped body 12 is joined to the girder block 13 at the contact surface 15.
  • the plate-like body 12 and the girder piece 13 are aligned and joined so as not to project from each other.
  • the three pillars 11 are arranged at equal intervals in parallel so that the plate-like bodies 12 form upper and lower surfaces, respectively.
  • the upper deck 20 is composed of five plate members 21 arranged on the lower deck 10.
  • Each plate-like member 21 has a plurality of concave and convex portions 22 extending in the length direction to increase the strength, and has three columns 11 forming the lower deck 10. It is spanned in a grid at intervals.
  • three of the five plate-like members 21 are joined to the column 11 at the part of the column 13 of the column 11.
  • the two plate-like members 21 are joined to the plate-like body 12 of the girder 11 between the girder pieces 13 of the girder 11.
  • the plate members 21 are aligned and joined so that both ends 23 in the longitudinal direction do not project from the beam 11 for safety considerations.
  • the plate-like members 21 located at both ends of the column 11 are aligned and joined so that the side edges 24 do not protrude from the column 11.
  • the members forming the main body 2 described above, that is, the plate-like body 12, the girder 13 and the plate-like member 21 are formed using a metal material such as aluminum or steel.
  • the steel material used here may be subjected to a surface treatment such as a zinc plating treatment as needed.
  • the plate-like body 12 and the plate-like member 21 may be the same plate material.
  • a plate material obtained by cutting a forming material having a thickness of 0.5 mm and a width of 85 mm into a predetermined length and having a plurality of irregularities extending in the length direction is formed into a plate-like body 1 2 It can be used for both the plate-like member 21.
  • the girder block 13 can be usually manufactured by forming a plate material having a thickness of 0.7 mm into a predetermined shape having a size of 7 5 1 1 1 1 1 1 1 1 1 1
  • the method of joining with the girder pieces 13 is not particularly limited, but usually, it is preferably carried out by welding or mechanical fastening.
  • welding the method is not particularly limited, but usually, spot welding or arc welding, which can be easily performed, is preferably used.
  • spot welding or arc welding which can be easily performed, is preferably used.
  • mechanical fastening it is preferable to employ fastening with a port or the like or fixing with a rivet.
  • Coating 3 is an anti-slip coating.
  • Non-slip coatings usually have a gentle undulation or roughness, and have a higher coefficient of friction than smooth coatings.
  • the sliding start angle of the coating film 3 is usually preferably 15 degrees or more, more preferably 18 degrees or more, and further preferably 20 degrees or more.
  • the slip starting angle is measured by a method in accordance with the corrugated cardboard industry standard “Corrugated cardboard and corrugated carton box slip test method-inclination method” (JCST 005: 20000) by the Japan Corrugated Cardboard Industry Association. This corresponds to the angle corresponding to the coefficient of friction.As shown in Fig.
  • a cardboard box 30 containing 10 kg of contents is placed on the center of the upper surface of a pallet 1 placed on a horizontal plane.
  • the angle between the pallet 1 and the horizontal plane when the cardboard box 30 starts to slide (height) Therefore, the anti-slip coating film has better anti-slip properties as the sliding start angle is larger.
  • the above-described anti-slip coating film can be formed using, for example, an anti-slip coating such as a powder coating, for example, a polyolefin resin powder coating.
  • an anti-slip coating such as a powder coating, for example, a polyolefin resin powder coating.
  • Available here Functional polyolefin resin powder coatings are not particularly limited, but examples include polyethylene resin, polypropylene resin, ethylene acrylic acid copolymer resin, ethylene vinyl acetate copolymer resin, and ethylene / methacrylic acid copolymer. It is preferable to use as a resin component a coalesced resin, an ethylene Z maleic anhydride graft copolymer resin, a maleic acid-modified polyethylene resin, or a mixture of any combination thereof.
  • polyethylene resin polypropylene resin, ethylene Z acrylate copolymer resin and ethylene Z vinyl acetate copolymer resin because of its low cost, easy handling and good paintability. Further, those using at least one kind as a resin component are preferable.
  • the above-mentioned polyolefin resin powder coating contains additives such as a foaming agent, an ultraviolet absorber, a heat stabilizer, an antistatic agent, a nucleating agent and an antibacterial agent, and various coloring pigments, in addition to the above resin components. You may go out.
  • the polyolefin resin powder coating preferably contains a foaming agent.
  • the polyolefin resin powder coating containing a foaming agent can form a soft rough feeling or a coating film having a soft and gentle undulation, and has a sliding start angle of 15 degrees or more, particularly 18 degrees or more. It is easy to realize a non-slip coating of 20 ° or more.
  • foaming agent examples include organic foaming agents such as nitroso foaming agents, sulfohydrazide foaming agents, and azo foaming agents.
  • the foaming agent preferably has an average particle size of 0.1 to 50 ⁇ . If the average particle size is less than 0.1 ⁇ m, dust is likely to be generated, and the workability of applying the powder coating may be impaired. Conversely, if it exceeds 50 ⁇ , large voids due to foaming are likely to be formed inside the coating film, and the strength of the coating film may be reduced.
  • the average particle size means a particle size corresponding to 50% of the integrated distribution in the particle size distribution curve.
  • the amount of the foaming agent to be added is usually preferably set to 10 parts by weight or less based on 100 parts by weight of the polyolefin resin.
  • the amount of foaming agent added is 10 When the amount exceeds the weight part, pinholes are easily generated in the coating film.
  • the above-mentioned polyolefin resin powder coating can be produced by a known method. For example, when a predetermined polyolefin-based resin is formed into a pellet, and then crushed and sieved to a predetermined particle size, a desired powder coating material can be obtained. In addition, additives, color pigments, and the like can be added to the polyolefin-based resin at the stage of pellet production, if necessary.
  • the method for producing the pallet 1 can be classified into two types according to the method for forming the coating film 3.
  • various members forming the main body 2 of the pallet 1, that is, a plate-like body 12, a girder bridge 13 and a plate-like member 21 are prepared, and the surface of these members is prepared.
  • a coating film 3 of an anti-slip coating is applied to the entire surface.
  • the method for applying the coating film 3 is not particularly limited, but may be a known method such as a fluid immersion coating method, an electrostatic coating method, a thermal spray coating method or a spray coating method.
  • a girder 11 is manufactured using the plate-shaped body 12 and the girder piece 13, and when the girder 11 and the plate-shaped member 21 are combined in the above-described shape and joined, the surface of each member is formed. Palette 1 covered with coating 3 is obtained.
  • the main body 2 of the pallet 1 is manufactured by combining and joining the various members described above. Then, a coating film 3 of an anti-slip coating is applied to the main body 2.
  • the method of applying the coating film 3 to the main body 2 is not particularly limited, and the same coating method as in the case of the manufacturing method 1 can be employed.In particular, the fluid immersion coating method or the electrostatic coating method is used. Is preferred. According to the fluid immersion coating method or the electrostatic coating method, the entire surface of the main body 2, especially the surface of the girder 1 or 3 having a complicated shape or the entire surface of the main body 2 including the joint portion of each member is continuously and uniformly formed. Paint film 3 can be given.
  • the slip start angle of the coating 3 is determined by selecting the type and properties of the anti-slip coating, in particular, by selecting the type, particle size and amount of the foaming agent added to the anti-slip coating, and coating. It can be adjusted as appropriate by selecting the method and adjusting the coating conditions.
  • manufacturing method 1 and manufacturing method 2 are compared, it is preferable to adopt manufacturing method 2.
  • the manufacturing method 1 since each member is painted in advance, the painting operation may be complicated, for example, it is necessary to set the painting conditions for each member having a different shape. Further, when assembling the main body 2, the coating film 3 may peel off due to contact or friction between members, and the corrosion resistance and appearance of the pallet 1 may be impaired. Furthermore, when joining members, welding, especially automatic welding, may become difficult, and efficient production of the pallet 1 may become difficult.
  • the manufacturing method 2 since the main body 2 is assembled by previously joining the members, the main body 2 is coated, and as described above, is continuously applied to the entire surface of the main body 2.
  • the pallet 1 can be provided with a uniform and uniform coating film 3 and the corrosion resistance and aesthetic appearance of the pallet 1 can be improved. In addition, it is easy to automate the automatic welding and the like when assembling the main body 2, and since the coating conditions for the main body 2 are constant and need not be changed, mass production of the pallets 1 more efficiently and inexpensively Easy to do.
  • Pallet 1 of this embodiment has the following advantages.
  • the coating film 3 covers the surface of the main body 2, the corrosion resistance is better than that of a conventional metal pallet.
  • the pallet 1 manufactured by the above-described manufacturing method 2 has a continuous and uniform coating film 3 formed on the surface of the main body 2, so that even if it is washed with water, its strength and appearance deteriorate with time. It ’s hard to happen.
  • the coating film 3 covers the sharp edge portions of the members forming the main body 2, it is possible to effectively prevent the injury of the worker and the damage of the articles due to the collision with the edge portions or the like and the catching. it can.
  • the coating film 3 has slip resistance and the surface is hard to slip, so that even if the pallet 1 is inclined during the transfer of the article, the article 3 is prevented from slipping (slipping), slipping, and collapse of the load. In addition, it is possible to reduce the risk of the worker working on the pallet 1 slipping or falling.
  • a function corresponding to the additive can be provided.
  • the addition of an antibacterial agent enhances convenience in fields that require hygiene such as food products and pharmaceuticals.
  • the pallet can be color-coded for each material or other type in a pallet group composed of a plurality of pallets of the same shape, so that the use of each pallet and the discrimination of the type can be colored. It can be easily done based on
  • the main body 2 of the pallet 1 is formed using a metal member
  • the main body 2 is formed using a wooden member. It may be made of wood made of resin, or may be made of resin formed using a resin member.
  • the coating film 3 is disposed on the entire surface of the main body 2.
  • the coating film 3 may be disposed only on a necessary portion of the surface of the main body 2.
  • the coating film 3 may be disposed only on the surface of the plate member 21 forming the upper deck 20.
  • Production Example 3
  • the body 2 (1, 10 OmmX 1, 10 OmmX 11 Omm) of the pallet 1 according to the above-described embodiment was assembled using a member made of a hot-dip zinc-plated steel sheet.
  • a molten zinc bellows steel plate of JIS SGCC-570 was used for the plate-shaped body 12 and the plate-shaped member 21, and a molten zinc-plated steel plate of JISSGCC-400 was used for the girder 13.
  • Each member was joined by welding. '
  • the powder coating obtained in Production Example 1 was applied to the main body obtained in the Comparative Example by a fluid immersion coating method.
  • the coating conditions were: preheating of the main body at 320 ° C for 6 minutes, fluidized immersion time of 6 seconds, and postheating of 200 ° C for 2 minutes.
  • the powder coating obtained in Production Example 1 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 180 ° C, maintained for 10 minutes, and allowed to cool.
  • the powder coating obtained in Production Example 2 was applied to the main body obtained in the Comparative Example by a fluid immersion coating method.
  • the coating conditions were as follows: preheating of the main body at 270 ° C for 6 minutes, fluidized immersion time of 6 seconds, and postheating of 200 for 2 minutes.
  • the powder coating obtained in Production Example 2 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 175 ° C, maintained for 16 minutes, and allowed to cool.
  • the body obtained in Comparative Example was obtained in Production Example 3 by the flow dip coating method. Powder coating was applied.
  • the coating conditions were as follows: preheating of the main body at 330 ° C for 6 minutes, fluidized immersion time of 5 seconds, and postheating of 200 ° C for 3 minutes.
  • Example 7 The powder coating obtained in Production Example 3 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 220 ° C, maintained for 6 minutes, and allowed to cool.
  • Example 7 The powder coating obtained in Production Example 3 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 220 ° C, maintained for 6 minutes, and allowed to cool.
  • the powder coating obtained in Production Example 4 was applied to the main body obtained in the Comparative Example by a fluid immersion coating method.
  • the coating conditions were as follows: preheating of the main body at 300 ° C for 6 minutes, fluidized immersion time of 6 seconds, and postheating of 180 ° C for 2 minutes.
  • the powder coating obtained in Production Example 4 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 200 ° C, maintained for 13 minutes, and allowed to cool.
  • Each metal member used in the comparative example was previously coated with the powder coating obtained in Production Example 1.
  • the coating was carried out by the fluidized immersion coating method.
  • the coating conditions were as follows: preheating of the main body at 320 ° C for 6 minutes, fluidized immersion time of 6 seconds, and postheating at 200 ° C for 2 minutes. Set to. Then, using the painted metal member, the same main body as that of the comparative example was assembled to manufacture a pallet. At this time, the metal members were joined by bolting.
  • the evaluation was made based on the slip start angle.
  • the center of the upper surface of the metal pallet (upper A cardboard box (width: 50 cm, depth: 40 cm, height: 30 cm) containing 10 kg of content is placed in the upper deck 20 of the upper deck 20.
  • one side of the metal pallet (one side indicated by X in Fig. 1) formed by one of the columns 11 is gradually moved vertically without giving any vibration.
  • the angle at which the cardboard box began to slide when it was lifted was defined as the slip start angle.
  • The coating thickness at the edge is uniform.
  • a salt spray test in accordance with JIS Z 2371 was performed for 500 hours, and the surface state was visually observed.
  • the evaluation criteria are as follows.
  • Table 1 shows that the metal pallets of Examples 1 to 9 all have a large slip start angle and are excellent in slip resistance. Further, the metal pallets of Examples 1 to 8 have better corrosion resistance than the metal pallets of Example 9. Industrial applicability
  • the pallet excellent in the slip resistance for preventing falling of goods, collapse of a load, and fall of an operator can be provided at low cost.
  • the present invention may be embodied in various other forms without departing from its spirit or essential characteristics. Therefore, the above-described embodiments or examples are merely examples in every respect and should not be construed as limiting.
  • the scope of the present invention The box is indicated by the claims and is not bound by the text of the specification. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

Abstract

A pallet (1) comprising a body (2) formed into a predetermined shape and a coating (3) formed on the surface of the body (2). The body (2) is made of metal, for example. The coating (3) is an antislip coating normally having a slip start angle of 15° or above. The coating (3) is normally preferably formed of powder paint employing at least one kind of polyolefin resin as a resin component, selected from a group of polyethylene resin, polypropylene resin, ethylene/acrylic acid copolymer resin and ethylene/vinyl acetate copolymer resin. The pallet (1) exhibits excellent antislip performance for preventing slip-down of an article, load collapse and fall of a worker and can be provided inexpensively.

Description

パレットおよびその製造方法  Pallet and its manufacturing method
技術分野 Technical field
本発明は、 パレットおよびその製造方法、 特に、 資材や商品等の物品の運搬 や倉庫保管時において、 物品を載せる台座として用いるパレツトおよびその製 明  The present invention relates to a pallet and a method for manufacturing the pallet, and more particularly to a pallet used as a pedestal on which an article such as a material or a product is transported or stored in a warehouse, and a method for manufacturing the pallet.
造方法に関する。 書 Construction method. book
背景技術 資材や商品等の物品の運搬や倉庫保管時においては、 フォークリフトによる 物品の搬送性を高めるため、 通常、 台座としてパレットが用いられる。 これま での一般的なパレットは、 木製、 樹脂製若しくは金属製の部材をフォークリフ トのフォークを挿入可能な所定の形状に組み合わせることにより製造されてい る。 ここで、 木製パレットは、 比較的安価であるが、 重い、 木くずおよびトゲ やささくれが発生し易いため取り扱い難い、 力ビゃ虫の発生により腐朽し易レ、、 表面の滑り性が大きい等の不具合がある。 また、 近年の地球環境保全への関心 の高まりから、 樹木の伐採が抑制されつつあり、 将来的に他の材質のパレット への転換が図られる可能性が高い。 また、 樹脂製パレットは、 腐朽しにくく取 り扱い易いが、 重い、 変形し易い、 耐荷重に制限がある、 高価、 表面の滑り性 が大きい等の不具合がある。 さらに、 金属製パレットは、 軽量かつ高強度であ つて強剛性を得やすい、 力ビゃ虫の発生を抑制するための燻煙処理や薬剤処理 を必要としない、 リサイクルが容易である等の利点を有するが、 表面が滑らか なため、 木製や樹脂製のパレット以上に表面の滑り性が大きいという不具合が ある。 このように、 各材質のパレッ トは、 それぞれ一長一短を有するが、 表面の滑 り性が大きい点において共通している。 パレッ ト表面の滑り性は、 移送中の物 品の滑落や荷崩れの原因となり、 また、 パレッ ト上で作業する作業者が転倒す る原因ともなるため、 抑制措置を講じるのが好ましい。 特に、 金属製パレッ ト は、 木製や樹脂製のパレットに比べて物品の滑落、 荷崩れ、 作業者の転倒の危 険性が高く、 防滑性を高める必要性が高い。 BACKGROUND ART When transporting goods such as materials and commodities and storing in warehouses, pallets are usually used as pedestals in order to enhance the transportability of articles by forklifts. Conventional pallets have been manufactured by combining wooden, resin or metal members into a predetermined shape into which a fork of a forklift can be inserted. Here, wooden pallets are relatively inexpensive, but are heavy, are difficult to handle due to the generation of wood chips and thorns, and are easy to rot due to the occurrence of power insects. There is a defect. In addition, with the growing interest in global environmental conservation in recent years, tree felling is being curbed, and it is highly likely that a switch to pallets of other materials will be made in the future. In addition, resin pallets are difficult to rot and are easy to handle, but have problems such as heavy weight, easy deformation, limited load-bearing capacity, high cost, and large surface slipperiness. In addition, metal pallets are lightweight, high-strength and easy to obtain strong rigidity, do not require smoke or chemical treatment to suppress the generation of insects, and are easy to recycle. However, since the surface is smooth, there is a problem that the surface is more slippery than a wooden or resin pallet. As described above, the pallets of the respective materials have their advantages and disadvantages, but they are common in that the surface is smooth. Slippery surfaces on the pallet may cause slippage or collapse of goods during transportation, and may also cause workers working on the pallet to fall, so it is preferable to take control measures. In particular, metal pallets have a higher risk of slipping of goods, falling of loads, and falling of workers than wooden or resin pallets, and there is a high need to increase anti-slip properties.
そこで、 防滑性を高めた各種のパレットが提案されている。 例えば、 特開 2 0 0 2 - 2 8 4 1 6 3号公報に記載された金属製パレツトは、 複数の低い錐状 突起若しくは錐状突起の嵌入凹部を表面に設けている。 また、 特開 2 0 0 3— 9 5 2 6 9号公報に記載された金属製パレツトは、 上面および下面の少なくと も一方に、 凹凸部を有する金属製の滑り止め部材が溶接等により固定されてい る。 さらに、 実開平 7 _ 2 8 0 2 4号公報に記載された金属製パレットは、 表 面に形成された溝内に、 ゴム製等の滑り止め部材が挿入されている。  Therefore, various pallets with improved anti-slip properties have been proposed. For example, in a metal pallet described in Japanese Patent Application Laid-Open No. 2002-284163, a plurality of low conical projections or recesses into which the conical projections are fitted are provided on the surface. Further, in the metal pallet described in JP-A-2003-95269, a metal anti-slip member having irregularities is fixed to at least one of the upper surface and the lower surface by welding or the like. It has been done. Further, in the metal pallet described in Japanese Utility Model Laid-Open No. 7-28024, a non-slip member such as rubber is inserted into a groove formed on the surface.
しかしながら、 上記各文献に記載の金属製パレッ トは、 構成部材の製造や組 立に複雑で煩雑な作業が要求されるため、 生産性が悪く、 高コストになるとい う不具合がある。  However, the metal pallets described in each of the above-mentioned documents require complicated and complicated work for manufacturing and assembling the components, and thus have the disadvantage of low productivity and high cost.
本発明の目的は、 防滑性に優れたパレツトを安価に実現することにある。 発明の開示  An object of the present invention is to realize a pallet excellent in slip resistance at a low cost. Disclosure of the invention
本発明者等は、 上記課題を解決するために鋭意検討した結果、 所定の塗膜を 表面に配置した場合にパレツトの防滑性が高まることを見出し、 本発明を完成 するに至った。  The present inventors have conducted intensive studies in order to solve the above-mentioned problems, and as a result, have found that when a predetermined coating film is disposed on the surface, the pallet has improved anti-slip properties, and thus completed the present invention.
すなわち、 本発明のパレッ トは、 物品を載置するためのものであり、 所定の 形状に形成された本体と、 当該本体の表面に配置された防滑性塗膜とを備えて いる。 ここで、 本体は、 例えば金属製である。 また、 防滑性塗膜は、 通常、 滑 り開始角度が 1 5度以上のものである。 That is, the pallet of the present invention is for placing articles, and includes a main body formed in a predetermined shape, and a non-slip coating film disposed on the surface of the main body. Here, the main body is made of, for example, metal. Also, anti-slip coatings are usually The starting angle is more than 15 degrees.
このパレットにおいて用いられる防滑性塗膜は、 通常、 粉体塗料により形成 されたものが好ましく、 特に、 ポリオレフイン系樹脂粉体塗料により形成され たものが好ましい。 この場合、 ポリオレフイン系樹脂粉体塗料は、 通常、 ポリ エチレン樹脂、 ポリプロピレン樹脂、 エチレン/アクリル酸共重合体樹脂およ びエチレン 酢酸ビニル共重合体樹脂からなる群より選ばれた少なくとも一種 を樹脂成分として用いたものが好ましい。 また、 ポリオレフイン系樹脂粉体塗 料は、 通常、 発泡剤を含むものが好ましい。  Usually, the anti-slip coating film used in this pallet is preferably formed of a powder coating, particularly preferably a polyolefin resin powder coating. In this case, the polyolefin resin powder coating usually contains at least one selected from the group consisting of polyethylene resin, polypropylene resin, ethylene / acrylic acid copolymer resin, and ethylene vinyl acetate copolymer resin. Is preferably used. The polyolefin-based resin powder coating preferably contains a foaming agent.
このような本発明のパレツトは、 本体の表面に防滑性塗膜が配置されている ため、 防滑性に優れ、 しかも安価である。  Such a pallet of the present invention has excellent anti-slip properties and is inexpensive because the anti-slip coating is disposed on the surface of the main body.
本発明に係るパレット群は、 所定の形状に形成された本体と、 当該本体の表 面に配置された防滑性塗膜とを備えた、 物品を載置するための複数のパレツト からなる。 ここで、 複数のパレツトは、 防滑性塗膜の色彩により、 少なくとも 二種類に区別される。  The pallet group according to the present invention includes a plurality of pallets for placing articles, each of which includes a main body formed into a predetermined shape and a non-slip coating film disposed on a surface of the main body. Here, the plurality of pallets are classified into at least two types depending on the color of the anti-slip coating film.
このようなパレット群は、 防滑性塗膜の色彩により、 パレット毎の使途や種 類等を容易に区別したり判別したりすることができる。  In such a pallet group, the use and type of each pallet can be easily distinguished or distinguished by the color of the anti-slip coating film.
本発明に係るパレットの製造方法は、 物品を載置するためのパレットを製造 するための方法であり、 パレツトの本体を形成するための複数の部材を用意す る工程と、 複数の部材のそれぞれに防滑性塗料による塗膜を付与する工程と、 防滑性塗料による塗膜が付与された複数の部材を所定の形状に組合せて接合し、 パレッ トの本体を形成する工程とを含んでいる。 ここで、 複数の部材のそれぞ れは、 例えば金属製である。  A method for manufacturing a pallet according to the present invention is a method for manufacturing a pallet for placing articles, a step of preparing a plurality of members for forming a main body of the pallet, and a step of preparing each of the plurality of members. A step of forming a main body of the pallet by combining a plurality of members provided with a film of the anti-slip paint into a predetermined shape and joining the members together. Here, each of the plurality of members is made of, for example, metal.
この形態に係るパレッ トの製造方法は、 複数の部材のそれぞれに防滑性塗料 による塗膜を付与し、 これらの部材を組合せて本体を形成しているため、 防滑 性に優れたパレットを安価に製造することができる。 また、 本発明に係るパレッ トの他の製造方法は、 同じく物品を載置するため のパレツトを製造するための方法であり、 所定の形状に形成された本体を用意 する工程と、 当該本体に防滑性塗料を塗装する工程とを含んでいる。 ここで、 本体は、 例えば金属製である。 この場合、 防滑性塗料は、 通常、 流動浸漬塗装 法および静電塗装法のうちのいずれ力の方法により塗装する。 In the method for manufacturing a pallet according to this embodiment, since a plurality of members are each provided with a coating film made of an anti-slip coating and the members are combined to form a main body, a pallet having excellent anti-slip properties can be inexpensively manufactured. Can be manufactured. Another method for manufacturing a pallet according to the present invention is a method for manufacturing a pallet for placing an article thereon as well, wherein a step of preparing a main body formed in a predetermined shape, Applying a non-slip coating. Here, the main body is made of, for example, metal. In this case, the anti-slip coating is usually applied by any one of a fluid immersion coating method and an electrostatic coating method.
このような形態に係るパレッ卜の製造方法は、 所定の形状に形成された本体 に防滑性塗料を塗装しているため、 防滑性に優れたパレツトを安価に製造する ことができる。  According to the method for manufacturing a pallet according to such an embodiment, since a main body formed in a predetermined shape is coated with an anti-slip coating, a pallet having excellent anti-slip properties can be manufactured at low cost.
本発明の他の目的および効果は、 以下の詳細な説明において触れる。 図面の簡単な説明  Other objects and advantages of the present invention will be mentioned in the following detailed description. Brief Description of Drawings
図 1は、 本発明の実施の一形態に係るパレットの斜視図である。  FIG. 1 is a perspective view of a pallet according to one embodiment of the present invention.
図 2は、 前記パ.レツトにおいて用いられる桁柱の斜視図である。  FIG. 2 is a perspective view of a girder used in the pallet.
図 3は、 前記パレットにおいて用いられる桁駒の斜視図である。  FIG. 3 is a perspective view of a girder piece used in the pallet.
図 4は、 前記パレットの部分拡大斜視図である。  FIG. 4 is a partially enlarged perspective view of the pallet.
図 5は、 滑り開始角度の測定方法の説明図である。 発明を実施するための最良の形態  FIG. 5 is an explanatory diagram of a method of measuring a slip start angle. BEST MODE FOR CARRYING OUT THE INVENTION
図 1を参照して、 本発明の実施の一形態に係るパレットを説明する。 図にお いて、 パレット 1は、 金属製のものであり、 本体 2と、 本体 2の表面全体を被 覆した塗膜 3とを主に備えている。 本体 2は、 パレッ ト 1の形状を画定する骨 格であり、 下部デッキ 1 0と上部デッキ 2 0とを備えている。  A pallet according to one embodiment of the present invention will be described with reference to FIG. In the figure, a pallet 1 is made of metal and mainly includes a main body 2 and a coating film 3 covering the entire surface of the main body 2. The main body 2 is a skeleton that defines the shape of the pallet 1 and includes a lower deck 10 and an upper deck 20.
下部デッキ 1 0は、 3本の桁柱 1 1からなる。 各桁柱 1 1は、 図 2に示すよ うに、 互いに平行に配置された 2枚の板状体 1 2と、 この板状体 1 2の長手方 向の両端部および中央部の間に挟まれた 3個の桁駒 1 3とからなる。 板状体 1 2は、 長尺の矩形部材であり、 長さ方向に延びる、 強度を高めるための複数条 の凹凸 1 4を有している。 一方、 桁 ¾1 1 3は、 図 3に示すように、 概ね四角の 筒状に形成されており、 板状体 1 2を接合するための水平に形成された接触面 1 5を上下端近傍に有している。 接触面 1 5は、 安全上の配慮から、 先端部が 桁駒 1 3の外周から突出しないように形成されている。 そして、 板状体 1 2は、 接触面 1 5において、 桁駒 1 3と接合されている。 ここで、 板状体 1 2と桁駒 1 3とは、 安全上の配慮から、 互いに突出しないように位置合わせをして接合 されているのが好ましい。 3本の桁柱 1 1は、 それぞれ板状体 1 2が上下面を 形成するよう、 等間隔に平行に配置されている。 The lower deck 10 consists of three columns 11. As shown in FIG. 2, each column 11 is sandwiched between two plate-like members 12 arranged in parallel with each other, and both ends and a central portion of the plate-like member 12 in the longitudinal direction. Three digit pieces 13. Plate 1 Reference numeral 2 denotes a long rectangular member, which has a plurality of unevennesses 14 extending in the length direction for increasing strength. On the other hand, the girder 1 13 is formed in a substantially rectangular cylindrical shape as shown in FIG. 3, and the horizontally formed contact surface 15 for joining the plate-like body 12 is located near the upper and lower ends. Have. The contact surface 15 is formed so that the tip does not protrude from the outer periphery of the girder block 13 for safety considerations. The plate-shaped body 12 is joined to the girder block 13 at the contact surface 15. Here, from the viewpoint of safety, it is preferable that the plate-like body 12 and the girder piece 13 are aligned and joined so as not to project from each other. The three pillars 11 are arranged at equal intervals in parallel so that the plate-like bodies 12 form upper and lower surfaces, respectively.
上部デッキ 2 0は、 下部デッキ 1 0上に配置された 5枚の板状部材 2 1から なる。 各板状部材 2 1は、 長さ方向に延びる、 強度を高めるための複数条の凹 凸 2 2を有しており、 下部デッキ 1 0を形成する 3本の桁柱 1 1に対し、 等間 隔で格子状に架け渡されている。 ここで、 5枚の板状部材 2 1のうちの 3本は、 桁柱 1 1の桁駒 1 3部分において、 桁柱 1 1に接合されている。 また、 2本の 板状部材 2 1は、 桁柱 1 1の桁駒 1 3間において、 桁柱 1 1の板状体 1 2に対 して接合されている。 また、 図 4に示すように、 各板状部材 2 1は、 安全上の 配慮から、 長さ方向の両端部 2 3が桁柱 1 1から突出しないよう位置合わせを して接合されており、 また、 桁柱 1 1の両端部に位置する板状部材 2 1は、 側 縁部 2 4が桁柱 1 1から突出しないよう位置合わせをして接合されている。  The upper deck 20 is composed of five plate members 21 arranged on the lower deck 10. Each plate-like member 21 has a plurality of concave and convex portions 22 extending in the length direction to increase the strength, and has three columns 11 forming the lower deck 10. It is spanned in a grid at intervals. Here, three of the five plate-like members 21 are joined to the column 11 at the part of the column 13 of the column 11. Further, the two plate-like members 21 are joined to the plate-like body 12 of the girder 11 between the girder pieces 13 of the girder 11. As shown in Fig. 4, the plate members 21 are aligned and joined so that both ends 23 in the longitudinal direction do not project from the beam 11 for safety considerations. Further, the plate-like members 21 located at both ends of the column 11 are aligned and joined so that the side edges 24 do not protrude from the column 11.
上述の本体 2を形成する各部材、 すなわち、 板状体 1 2、 桁駒 1 3および板 状部材 2 1は、 アルミニウムや鋼材などの金属材料を用いて形成されている。 ここで用いられる鋼材は、 必要に応じ、 亜鉛メツキ処理などの表面処理が施さ れていてもよい。 また、 板状体 1 2および板状部材 2 1は、 同じ板材であって もよい。 例えば、 長さ方向に延びる複数の凹凸を形成した、 板厚が 0 . 5 mm、 板幅が 8 5 mmのフォーミング材を所定の長さに切断した板材は、 板状体 1 2 およぴ板状部材 2 1の両方に用いることができる。 さらに、 桁駒 1 3は、 通常、 厚さが 0 . 7 mmの板材を、 7 5 111111 7 5 111111 9 8 111111の大きさの所定形 状に成形加工すると製造することができる。 The members forming the main body 2 described above, that is, the plate-like body 12, the girder 13 and the plate-like member 21 are formed using a metal material such as aluminum or steel. The steel material used here may be subjected to a surface treatment such as a zinc plating treatment as needed. Further, the plate-like body 12 and the plate-like member 21 may be the same plate material. For example, a plate material obtained by cutting a forming material having a thickness of 0.5 mm and a width of 85 mm into a predetermined length and having a plurality of irregularities extending in the length direction is formed into a plate-like body 1 2 It can be used for both the plate-like member 21. Further, the girder block 13 can be usually manufactured by forming a plate material having a thickness of 0.7 mm into a predetermined shape having a size of 7 5 1 1 1 1 1 1 1 1
因みに、 本体 2において、 下部デッキ 1 0と上部デッキ 2 0との接合方法、 すなわち、 桁柱 1 1と板状部材 2 1との接合方法並びに桁柱 1 1を形成する板 状体 1 2と桁駒 1 3との接合方法は、 特に限定されるものではないが、 通常、 溶接若しくは機械的な締め付け等により実施されているのが好ましい。 溶接に よる場合、 その方法は特に限定されるものではないが、 通常、 簡便に実施する ことができるスポット溶接やアーク溶接によるのが好ましい。 一方、 機械的な 締め付けによる場合、 ポルト等による締め付け若しくはリベットによる固定を 採用するのが好ましい。  Incidentally, in the main body 2, the joining method between the lower deck 10 and the upper deck 20, that is, the joining method between the column 11 and the plate member 21 and the plate 12 forming the column 11 The method of joining with the girder pieces 13 is not particularly limited, but usually, it is preferably carried out by welding or mechanical fastening. In the case of welding, the method is not particularly limited, but usually, spot welding or arc welding, which can be easily performed, is preferably used. On the other hand, in the case of mechanical fastening, it is preferable to employ fastening with a port or the like or fixing with a rivet.
塗膜 3は、 防滑性塗膜である。 防滑性塗膜は、 通常、 緩やかな起伏若しくは ざらつき感を有しており、 平滑な塗膜よりも摩擦係数が大きな塗膜である。 塗 膜 3の滑り開始角度は、 通常、 好ましくは 1 5度以上、 より好ましくは 1 8度 以上、 さらに好ましくは 2 0度以上である。 ここで、 滑り開始角度とは、 日本 段ボール工業会による段ボール業界規格 「段ボール及び段ボール箱一滑り試験 方法一傾斜法」 (J C S T 0 0 0 5 : 2 0 0 0 ) に準拠した方法により測定 される摩擦係数に対応する角度に相当するものであり、 図 5に示すように、 水 平面上に配置されたパレツト 1の上面中央部に 1 0 k gの内容物を収容したダ ンボール箱 3 0を載せ、 図に二点鎖線で示すように当該パレット 1の一辺を徐 々に引き上げてパレツト 1を傾斜させた場合において、 ダンボール箱 3 0が滑 り始めるときのパレッ ト 1と水平面との角度 (ひ) をいう。 したがって、 防滑 性塗膜は、 滑り開始角度が大きい程、 より防滑性に優れている。  Coating 3 is an anti-slip coating. Non-slip coatings usually have a gentle undulation or roughness, and have a higher coefficient of friction than smooth coatings. The sliding start angle of the coating film 3 is usually preferably 15 degrees or more, more preferably 18 degrees or more, and further preferably 20 degrees or more. Here, the slip starting angle is measured by a method in accordance with the corrugated cardboard industry standard “Corrugated cardboard and corrugated carton box slip test method-inclination method” (JCST 005: 20000) by the Japan Corrugated Cardboard Industry Association. This corresponds to the angle corresponding to the coefficient of friction.As shown in Fig. 5, a cardboard box 30 containing 10 kg of contents is placed on the center of the upper surface of a pallet 1 placed on a horizontal plane. When the pallet 1 is inclined by gradually lifting one side of the pallet 1 as shown by a two-dot chain line in the figure, the angle between the pallet 1 and the horizontal plane when the cardboard box 30 starts to slide (height) ). Therefore, the anti-slip coating film has better anti-slip properties as the sliding start angle is larger.
上述のような防滑性塗膜は、 例えば、 粉体塗料のような防滑性塗料、 例えば、 ポリオレフィン系樹脂粉体塗料を用いて形成することができる。 ここで利用可 能なポリオレフイン系樹脂粉体塗料は、 特に限定されるものではないが、 例え ば、 ポリエチレン樹脂、 ポリプロピレン樹脂、 エチレン アクリル酸共重合体 樹脂、 エチレンノ酢酸ビニル共重合体樹脂、 エチレン/メタクリル酸共重合体 樹脂、 エチレン Z無水マレイン酸グラフト共重合体樹脂若しくはマレイン酸変 性ポリエチレン樹脂またはこれらの任意の組合せによる混合物を樹脂成分とし て用いたものが好ましい。 特に、 安価で取り扱いが容易である点および塗装性 が良好な点において、 ポリエチレン樹脂、 ポリプロピレン樹脂、 エチレン Zァ クリル酸共重合体樹脂およびェチレン Z酢酸ビニル共重合体樹脂からなる群よ り選ばれた少なくとも一種のものを樹脂成分として用いたものが好ましい。 The above-described anti-slip coating film can be formed using, for example, an anti-slip coating such as a powder coating, for example, a polyolefin resin powder coating. Available here Functional polyolefin resin powder coatings are not particularly limited, but examples include polyethylene resin, polypropylene resin, ethylene acrylic acid copolymer resin, ethylene vinyl acetate copolymer resin, and ethylene / methacrylic acid copolymer. It is preferable to use as a resin component a coalesced resin, an ethylene Z maleic anhydride graft copolymer resin, a maleic acid-modified polyethylene resin, or a mixture of any combination thereof. In particular, it is selected from the group consisting of polyethylene resin, polypropylene resin, ethylene Z acrylate copolymer resin and ethylene Z vinyl acetate copolymer resin because of its low cost, easy handling and good paintability. Further, those using at least one kind as a resin component are preferable.
上述のポリオレフイン系樹脂粉体塗料は、 上述の樹脂成分の他、 発泡剤、 紫 外線吸収剤、 熱安定剤、 帯電防止剤、 造核剤および抗菌剤などの添加剤や各種 の着色顔料を含んでいてもよい。 特に、 ポリオレフイン系樹脂粉体塗料は、 発 泡剤を含むものが好ましい。 発泡剤を含むポリオレフイン系樹脂粉体塗料は、 柔軟なざらつき感、 或いは柔軟で緩やかな起伏を有する塗膜を形成することが でき、 滑り開始角度が 1 5度以上、 特に、 1 8度以上若しくは 2 0度以上の防 滑性塗膜を実現し易い。  The above-mentioned polyolefin resin powder coating contains additives such as a foaming agent, an ultraviolet absorber, a heat stabilizer, an antistatic agent, a nucleating agent and an antibacterial agent, and various coloring pigments, in addition to the above resin components. You may go out. In particular, the polyolefin resin powder coating preferably contains a foaming agent. The polyolefin resin powder coating containing a foaming agent can form a soft rough feeling or a coating film having a soft and gentle undulation, and has a sliding start angle of 15 degrees or more, particularly 18 degrees or more. It is easy to realize a non-slip coating of 20 ° or more.
ここで用いられる発泡剤としては、 例えば、 ニトロソ系発泡剤、 スルホヒ ド ラジド系発泡剤およびァゾ系発泡剤などの有機系発泡剤を挙げることができる。 また、 発泡剤は、 平均粒径が 0 . 1〜5 0 μ πιのものが好ましい。 平均粒径が 0 . 1 μ m未満の場合は、 粉塵が発生し易くなり、 粉体塗料の塗装作業性が損 なわれるおそれがある。 逆に、 5 0 πιを超える場合は、 塗膜の内部に発泡に よる大きな空隙が生じ易くなり、 塗膜の強度が低下するおそれがある。 なお、 ここでの平均粒径は、 粒度分布曲線において積算分布 5 0 %に対応する粒径を 意味する。 さらに、 発泡剤の添加量は、 通常、 ポリオレフイン系樹脂 1 0 0重 量部に対して 1 0重量部以下に設定するのが好ましい。 発泡剤の添加量が 1 0 重量部を超える場合は、 塗膜にピンホールが発生し易くなる。 Examples of the foaming agent used here include organic foaming agents such as nitroso foaming agents, sulfohydrazide foaming agents, and azo foaming agents. The foaming agent preferably has an average particle size of 0.1 to 50 μπι. If the average particle size is less than 0.1 μm, dust is likely to be generated, and the workability of applying the powder coating may be impaired. Conversely, if it exceeds 50 πι, large voids due to foaming are likely to be formed inside the coating film, and the strength of the coating film may be reduced. Here, the average particle size means a particle size corresponding to 50% of the integrated distribution in the particle size distribution curve. Further, the amount of the foaming agent to be added is usually preferably set to 10 parts by weight or less based on 100 parts by weight of the polyolefin resin. The amount of foaming agent added is 10 When the amount exceeds the weight part, pinholes are easily generated in the coating film.
上述のポリオレフィン系樹脂粉体塗料は、 公知の方法により製造することが できる。 例えば、 所定のポリオレフイン系樹脂をペレット状に成形し、 これを 粉碎した後に所定の粒度に篩い分けすると、 目的の粉体塗料を得ることができ る。 なお、 添加剤や着色顔料等は、 必要に応じ、 ペレットの製造段階において ポリオレフィン系樹脂に対して添加することができる。  The above-mentioned polyolefin resin powder coating can be produced by a known method. For example, when a predetermined polyolefin-based resin is formed into a pellet, and then crushed and sieved to a predetermined particle size, a desired powder coating material can be obtained. In addition, additives, color pigments, and the like can be added to the polyolefin-based resin at the stage of pellet production, if necessary.
次に、 パレッ ト 1の製造方法を説明する。 パレツト 1の製造方法は、 塗膜 3 の形成方法により 2種類に区別することができる。  Next, a method of manufacturing the pallet 1 will be described. The method for producing the pallet 1 can be classified into two types according to the method for forming the coating film 3.
製造方法 1 Manufacturing method 1
この製造方法では、 先ず、 パレット 1の本体 2を形成する各種の部材、 すな わち、 板状体 1 2、 桁駒 1 3および板状部材 2 1を用意し、 これらの部材の表 面、 好ましくは表面全体に対し、 防滑性塗料による塗膜 3を付与する。 塗膜 3 の付与方法は、 特に限定されるものではないが、 例えば、 流動浸漬塗装法、 静 電塗装法、 溶射塗装法若しくは散布塗装法等の公知の方法によることができる。 そして、 板状体 1 2および桁駒 1 3を用いて桁柱 1 1を製造し、 この桁柱 1 1 と板状部材 2 1とを上述の形状に組合せて接合すると、 各部材の表面が塗膜 3 により被覆されたパレツト 1が得られる。  In this manufacturing method, first, various members forming the main body 2 of the pallet 1, that is, a plate-like body 12, a girder bridge 13 and a plate-like member 21 are prepared, and the surface of these members is prepared. Preferably, a coating film 3 of an anti-slip coating is applied to the entire surface. The method for applying the coating film 3 is not particularly limited, but may be a known method such as a fluid immersion coating method, an electrostatic coating method, a thermal spray coating method or a spray coating method. Then, a girder 11 is manufactured using the plate-shaped body 12 and the girder piece 13, and when the girder 11 and the plate-shaped member 21 are combined in the above-described shape and joined, the surface of each member is formed. Palette 1 covered with coating 3 is obtained.
製造方法 2 Manufacturing method 2
この製造方法では、 先ず、 上述の各種部材を組合せて接合することにより、 パレット 1の本体 2を製造する。 そして、 この本体 2に対し、 防滑性塗料によ る塗膜 3を付与する。 本体 2に対する塗膜 3の付与方法は、 特に限定されるも のではなく、 製造方法 1の場合と同様の塗装方法を採用することができるが、 特に、 流動浸漬塗装法若しくは静電塗装法によるのが好ましい。 流動浸漬塗装 法若しくは静電塗装法によれば、 本体 2の表面全体、 特に、 形状が複雑な桁駒 1 3の表面や各部材の接合部分を含む本体 2の表面全体に連続的で均一な塗膜 3を付与することができる。 In this manufacturing method, first, the main body 2 of the pallet 1 is manufactured by combining and joining the various members described above. Then, a coating film 3 of an anti-slip coating is applied to the main body 2. The method of applying the coating film 3 to the main body 2 is not particularly limited, and the same coating method as in the case of the manufacturing method 1 can be employed.In particular, the fluid immersion coating method or the electrostatic coating method is used. Is preferred. According to the fluid immersion coating method or the electrostatic coating method, the entire surface of the main body 2, especially the surface of the girder 1 or 3 having a complicated shape or the entire surface of the main body 2 including the joint portion of each member is continuously and uniformly formed. Paint film 3 can be given.
なお、 いずれの製造方法においても、 塗膜 3の滑り開始角度は、 防滑性塗料 の種類や性状の選択、 特に、 防滑性塗料に添加する発泡剤の種類、 粒度および 添加量等の選択、 塗装方法の選択および塗装条件の調節等により、 適宜調節す ることができる。  In any of the manufacturing methods, the slip start angle of the coating 3 is determined by selecting the type and properties of the anti-slip coating, in particular, by selecting the type, particle size and amount of the foaming agent added to the anti-slip coating, and coating. It can be adjusted as appropriate by selecting the method and adjusting the coating conditions.
上述の各製造方法では、 従来の金属製パレツトを製造する場合に要求される、 複雑な構成部材の製造、 特別な滑り止め部材ゃ防滑シートの取付けおよび防滑 面を形成するための煩雑な削り込み作業のような複雑な工程を必要としないた め、 ノ レッ ト 1を容易にかつ安価に製造することができる。  In each of the above-mentioned manufacturing methods, the production of complex components, the special anti-slip member, the installation of a non-slip sheet, and the complicated cutting to form a non-slip surface are required when manufacturing a conventional metal pallet. Since a complicated process such as an operation is not required, the knowledge 1 can be easily and inexpensively manufactured.
因みに、 製造方法 1と製造方法 2とを比較した場合、 製造方法 2を採用する のが好ましい。 製造方法 1では、 各部材を予め塗装しているため、 形状の異な る部材毎に塗装条件を設定する必要がある等、 塗装作業が煩雑になる可能性が ある。 また、 本体 2の組立時において、 部材間の接触や摩擦により塗膜 3が剥 離する可能性があり、 パレツ ト 1の耐食性や外観が損なわれるおそれがある。 さらに、 部材同士を接合する際に、 溶接、 特に自動溶接が困難になる可能性が あり、 パレット 1の効率的な製造が困難になる場合がある。 これに对し、 製造 方法 2では、 予め各部材を接合して本体 2を組み立てた後、 本体 2に対して塗 装を施しているた'め、 上述のように本体 2の表面全体に連続的で均一な塗膜 3 を付与することができ、 パレット 1の耐食性や美観を高めることができる。 ま た、 本体 2の組立時に自動溶接等の自動化を図り易く、 しかも、 本体 2に対す る塗装条件は一定であって変更する必要がないため、 より効率的かつ安価にパ レツト 1を大量生産し易い。  Incidentally, when manufacturing method 1 and manufacturing method 2 are compared, it is preferable to adopt manufacturing method 2. In the manufacturing method 1, since each member is painted in advance, the painting operation may be complicated, for example, it is necessary to set the painting conditions for each member having a different shape. Further, when assembling the main body 2, the coating film 3 may peel off due to contact or friction between members, and the corrosion resistance and appearance of the pallet 1 may be impaired. Furthermore, when joining members, welding, especially automatic welding, may become difficult, and efficient production of the pallet 1 may become difficult. On the other hand, in the manufacturing method 2, since the main body 2 is assembled by previously joining the members, the main body 2 is coated, and as described above, is continuously applied to the entire surface of the main body 2. The pallet 1 can be provided with a uniform and uniform coating film 3 and the corrosion resistance and aesthetic appearance of the pallet 1 can be improved. In addition, it is easy to automate the automatic welding and the like when assembling the main body 2, and since the coating conditions for the main body 2 are constant and need not be changed, mass production of the pallets 1 more efficiently and inexpensively Easy to do.
この実施の形態のパレツト 1は、 次のような利点がある。  Pallet 1 of this embodiment has the following advantages.
( 1 ) 上述のような金属材料を用いて形成されているため、 軽量であって耐荷 重性が高く、 リサイクルも容易である。 ( 2 ) 塗膜 3が本体 2の表面を覆うため、 従来の金属製パレッ トよりも耐食性 が良好である。 特に、 上述の製造方法 2により製造されたパレッ ト 1は、 本体 2の表面に連続的で均一な塗膜 3が形成されるため、 水洗いしても、 強度や外 観の経時劣ィ匕が生じにくレ、。 (1) Since it is formed using the above-mentioned metal material, it is lightweight, has high load resistance, and is easy to recycle. (2) Since the coating film 3 covers the surface of the main body 2, the corrosion resistance is better than that of a conventional metal pallet. In particular, the pallet 1 manufactured by the above-described manufacturing method 2 has a continuous and uniform coating film 3 formed on the surface of the main body 2, so that even if it is washed with water, its strength and appearance deteriorate with time. It ’s hard to happen.
( 3 ) 塗膜 3が本体 2を形成する各部材の鋭利なェッジ部を覆うため、 当該ェ ッジ部等との衝突や引っ掛かりによる作業者の怪我や物品の破損を有効に防止 することができる。  (3) Since the coating film 3 covers the sharp edge portions of the members forming the main body 2, it is possible to effectively prevent the injury of the worker and the damage of the articles due to the collision with the edge portions or the like and the catching. it can.
( 4 ) 塗膜 3は、 防滑性を有し、 表面が滑り難いため、 物品の搬送時において パレッ ト 1が傾斜しても、 物品のずれ (横滑り) 、 滑落および荷崩れを抑制す ることができ、 また、 パレッ ト 1上で作業する作業者が滑ったり転倒したりす る危険性を抑制することができる。  (4) The coating film 3 has slip resistance and the surface is hard to slip, so that even if the pallet 1 is inclined during the transfer of the article, the article 3 is prevented from slipping (slipping), slipping, and collapse of the load. In addition, it is possible to reduce the risk of the worker working on the pallet 1 slipping or falling.
( 5 ) 塗膜 3の防滑性のため、 倉庫奪の屋内や屋外での保管時に、 多数枚を安 定に積層することができる。  (5) Because of the anti-slip properties of the coating film 3, a large number of sheets can be stably stacked when stored indoors or outdoors in a warehouse.
( 6 ) 塗膜 3を形成する防滑性塗料に所要の添加剤を添加すると、 当該添加剤 に応じた機能を付与することができる。 例えば、 抗菌剤を添加すれば、 食料品 や医薬品等の衛生性が求められる分野において、 利便性が高まる。 また、 着色 顔料を添加すれば、 複数の同一形状のパレツトからなるパレツト群において、 材質その他の種類毎にパレットを色分けすることができるため、 パレツト毎の 使途の区別や種類の判別等を色彩に基づいて容易に行うことができる。  (6) When a required additive is added to the anti-slip coating that forms the coating film 3, a function corresponding to the additive can be provided. For example, the addition of an antibacterial agent enhances convenience in fields that require hygiene such as food products and pharmaceuticals. In addition, if a coloring pigment is added, the pallet can be color-coded for each material or other type in a pallet group composed of a plurality of pallets of the same shape, so that the use of each pallet and the discrimination of the type can be colored. It can be easily done based on
上述の実施の形態は、 例えば、 次のように変更することができる。  The above embodiment can be modified, for example, as follows.
( 1 ) 上述の実施の形態では、 パレッ ト 1の本体 2が金属製の部材を用いて形 成されている場合を例として説明したが、 本体 2は、 木質系の部材を用いて形 成された木製のものであってもよいし、 樹脂製の部材を用いて形成された樹脂 製のものであってもよい。  (1) In the above-described embodiment, the case where the main body 2 of the pallet 1 is formed using a metal member has been described as an example, but the main body 2 is formed using a wooden member. It may be made of wood made of resin, or may be made of resin formed using a resin member.
( 2 ) 上述の実施の形態では、 下部デッキ 1 0を形成する桁柱 1 1に 3個の桁 駒 13を用いているが、 桁柱 1 1における桁駒 13の個数は、 パレツト 1に要 求される強度に応じ、 任意に変更することができる。 この点、 下部デッキ 10 を形成する桁柱 1 1の本数、 上部デッキ 20を形成する板状部材 21の枚数に ついても同様である。 (2) In the above-described embodiment, three columns are used for the column 11 forming the lower deck 10. Although the bridge 13 is used, the number of bridges 13 in the pillar 11 can be arbitrarily changed according to the strength required for the pallet 1. In this regard, the same applies to the number of girder columns 11 forming the lower deck 10 and the number of plate-like members 21 forming the upper deck 20.
(3) 上述の実施の形態では、 本体 2の表面全体に塗膜 3を配置したが、 塗膜 3は、 本体 2の表面の必要な部分のみに配置されていてもよレ、。 例えば、 塗膜 3は、 上部デッキ 20を形成する板状部材 21の表面のみに配置されていても よい。  (3) In the above-described embodiment, the coating film 3 is disposed on the entire surface of the main body 2. However, the coating film 3 may be disposed only on a necessary portion of the surface of the main body 2. For example, the coating film 3 may be disposed only on the surface of the plate member 21 forming the upper deck 20.
以下、 実施例および比較例により本発明をさらに詳しく説明するが、 本発明 はこれら実施例に限定されるものではなレ、。  Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples.
製造例 1 Production Example 1
ポリエチレン樹脂 (住友化学工業株式会社の商品名 "スミカセン G801" :メルトインデックス =20) を用いてペレットを製造した。 このペレットを 機械粉砕した後に 42メッシュの篩で分級し、 粉体塗料を得た。  Pellets were produced using a polyethylene resin (trade name “Sumikasen G801” of Sumitomo Chemical Co., Ltd .: melt index = 20). The pellets were mechanically pulverized and classified with a 42-mesh sieve to obtain a powder coating.
製造例 2 Production Example 2
エチレン Zアクリル酸共重合体樹脂 (ダウ .ケミカル社の商品名 "プリマコ ール 3460" :メルトインデックス =20) を用いてペレットを製造した。 このペレットを機械粉砕した後に 60メッシュの篩で分級し、 粉体塗料を得た。 製造例 3  Pellets were produced using an ethylene Z acrylic acid copolymer resin (trade name “Primacol 3460” of Dow Chemical Co., Ltd .: melt index = 20). The pellets were mechanically pulverized and classified with a 60-mesh sieve to obtain a powder coating. Production Example 3
ポリプロピレン樹脂 (出光石油化学株式会社の商品名 "イデミツ PP J 30 21 GR" :メルトインデックス =33) を用いてペレットを製造した。 この ペレツトを機械粉砕した後に 80メッシュの篩で分級し、 粉体塗料を得た。  Pellets were produced using polypropylene resin (trade name of Idemitsu Petrochemical Co., Ltd. "Idemitsu PP J3021 GR": melt index = 33). This pellet was mechanically pulverized and then classified with an 80-mesh sieve to obtain a powder coating.
製造例 4 Production Example 4
製造例 1で得られた粉体塗料の 100重量部に、 ァゾ系発泡剤 (三協化成株 式会社の商品名 "セルマイク C A P 250 " :平均粒径 = 15 ^m) 1重量部 を乾式混合し、 粉体塗料を得た。 100 parts by weight of the powder coating obtained in Production Example 1 was replaced with 1 part by weight of an azo-based blowing agent (trade name “CELLMIC CAP 250” of Sankyo Kasei Co., Ltd .: average particle size = 15 ^ m) Was dry-mixed to obtain a powder coating.
比較例 Comparative example
溶融亜鉛メツキ鋼板製の部材を用い、 上述の実施の形態に係るパレット 1の 本体 2 (1, 10 OmmX 1 , 10 OmmX 1 1 Omm) を組み立てた。 ここ で、 板状体 1 2および板状部材 21には J I S SGCC- 570の溶融亜鈴 メツキ鋼板を使用し、 また、 桁駒 1 3には J I S SGCC— 400の溶融亜 鉛メツキ鋼板を使用した。 また、 各部材は、 溶接により接合した。 '  The body 2 (1, 10 OmmX 1, 10 OmmX 11 Omm) of the pallet 1 according to the above-described embodiment was assembled using a member made of a hot-dip zinc-plated steel sheet. Here, a molten zinc bellows steel plate of JIS SGCC-570 was used for the plate-shaped body 12 and the plate-shaped member 21, and a molten zinc-plated steel plate of JISSGCC-400 was used for the girder 13. Each member was joined by welding. '
実施例 1 Example 1
比較例で得られた本体に対し、 流動浸漬塗装法により、 製造例 1で得られた 粉体塗料を塗装した。 塗装条件は、 本体の前加熱を 320°Cで 6分、 流動浸漬 時間を 6秒、 後加熱を 200°Cで 2分に設定した。  The powder coating obtained in Production Example 1 was applied to the main body obtained in the Comparative Example by a fluid immersion coating method. The coating conditions were: preheating of the main body at 320 ° C for 6 minutes, fluidized immersion time of 6 seconds, and postheating of 200 ° C for 2 minutes.
実施例 2 Example 2
比較例で得られた本体に対し、 静電塗装法により、 製造例 1で得られた粉体 塗料を塗装した。 塗装後、 本体を 180°Cに加熱して 10分間維持し、 放冷し た。  The powder coating obtained in Production Example 1 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 180 ° C, maintained for 10 minutes, and allowed to cool.
実施例 3 Example 3
比較例で得られた本体に対し、 流動浸漬塗装法により、 製造例 2で得られた 粉体塗料を塗装した。 塗装条件は、 本体の前加熱を 270°Cで 6分、 流動浸漬 時間を 6秒、 後加熱を 200 で 2分に設定した。  The powder coating obtained in Production Example 2 was applied to the main body obtained in the Comparative Example by a fluid immersion coating method. The coating conditions were as follows: preheating of the main body at 270 ° C for 6 minutes, fluidized immersion time of 6 seconds, and postheating of 200 for 2 minutes.
実施例 4 Example 4
比較例で得られた本体に対し、 静電塗装法により、 製造例 2で得られた粉体 塗料を塗装した。 塗装後、 本体を 1 75°Cに加熱して 16分間維持し、 放冷し た。  The powder coating obtained in Production Example 2 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 175 ° C, maintained for 16 minutes, and allowed to cool.
実施例 5 Example 5
比較例で得られた本体に対し、 流動浸漬塗装法により、 製造例 3で得られた 粉体塗料を塗装した。 塗装条件は、 本体の前加熱を 3 3 0 °Cで 6分、 流動浸漬 時間を 5秒、 後加熱を 2 0 0 °Cで 3分に設定した。 The body obtained in Comparative Example was obtained in Production Example 3 by the flow dip coating method. Powder coating was applied. The coating conditions were as follows: preheating of the main body at 330 ° C for 6 minutes, fluidized immersion time of 5 seconds, and postheating of 200 ° C for 3 minutes.
実施例 6 Example 6
比較例で得られた本体に対し、 静電塗装法により、 製造例 3で得られた粉体 塗料を塗装した。 塗装後、 本体を 2 2 0 °Cに加熱して 6分間維持し、 放冷した。 実施例 7  The powder coating obtained in Production Example 3 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 220 ° C, maintained for 6 minutes, and allowed to cool. Example 7
比較例で得られた本体に対し、 流動浸漬塗装法により、 製造例 4で得られた 粉体塗料を塗装した。 塗装条件は、 本体の前加熱を 3 0 0 °Cで 6分、 流動浸漬 時間を 6秒、 後加熱を 1 8 0 °Cで 2分に設定した。  The powder coating obtained in Production Example 4 was applied to the main body obtained in the Comparative Example by a fluid immersion coating method. The coating conditions were as follows: preheating of the main body at 300 ° C for 6 minutes, fluidized immersion time of 6 seconds, and postheating of 180 ° C for 2 minutes.
実施例 8 Example 8
比較例で得られた本体に対し、 静電塗装法により、 製造例 4で得られた粉体 塗料を塗装した。 塗装後、 本体を 2 0 0 °Cに加熱して 1 3分間維持し、 放冷し た。  The powder coating obtained in Production Example 4 was applied to the main body obtained in the Comparative Example by an electrostatic coating method. After painting, the body was heated to 200 ° C, maintained for 13 minutes, and allowed to cool.
実施例 9 Example 9
比較例で用いた各金属製部材を予め製造例 1で得られた粉体塗料により塗装 した。 塗装は、 流動浸漬塗装法により実施し、 この際の塗装条件は、 本体の前 加熱を 3 2 0 °Cで 6分、 流動浸漬時間を 6秒、 後加熱を 2 0 0 °Cで 2分に設定 した。 そして、 塗装された金属製部材を用い、 比較例と同様の本体を組み立て、 パレットを製造した。 この際、 金属製部材は、 ボルト締めにより接合した。  Each metal member used in the comparative example was previously coated with the powder coating obtained in Production Example 1. The coating was carried out by the fluidized immersion coating method.The coating conditions were as follows: preheating of the main body at 320 ° C for 6 minutes, fluidized immersion time of 6 seconds, and postheating at 200 ° C for 2 minutes. Set to. Then, using the painted metal member, the same main body as that of the comparative example was assembled to manufacture a pallet. At this time, the metal members were joined by bolting.
評価 Evaluation
比較例おょぴ実施例 1〜9において得られた金属製パレツ卜について、 防滑 性、 塗装状態および耐食性を評価した。 評価方法は次の通りである。 また、 各 評価の結果を表 1に示す。  COMPARATIVE EXAMPLE The metal pallets obtained in Examples 1 to 9 were evaluated for anti-slip property, coating state and corrosion resistance. The evaluation method is as follows. Table 1 shows the results of each evaluation.
(防滑性)  (Anti-slip)
滑り開始角度により評価した。 ここでは、 金属製パレットの上面中央部 (上 部デッキ 2 0の上面中央部) に 1 0 k gの内容物を入れたダンボール箱 (幅: 5 0 c m, 奥行: 4 0 c m、 高さ : 3 0 c m) をその幅方向が上部デッキ 2 0 と平行になるように載せ、 この状態で桁柱 1 1の 1つにより形成されている金 属製パレッ トの一辺 (図 1に Xで示す一辺) を振動を与えることなく徐々に鉛 直方向に引き上げていったとき、 ダンボール箱が滑り始める角度を滑り開始角 度とした。 The evaluation was made based on the slip start angle. Here, the center of the upper surface of the metal pallet (upper A cardboard box (width: 50 cm, depth: 40 cm, height: 30 cm) containing 10 kg of content is placed in the upper deck 20 of the upper deck 20. In this state, one side of the metal pallet (one side indicated by X in Fig. 1) formed by one of the columns 11 is gradually moved vertically without giving any vibration. The angle at which the cardboard box began to slide when it was lifted was defined as the slip start angle.
(塗装状態)  (Painted state)
塗膜のピンホール発生状況および本体のェッジカバー状態を肉眼で観察した。 評価の基準は次の通りである。  The occurrence of pinholes in the coating film and the condition of the wedge cover of the main body were visually observed. The evaluation criteria are as follows.
<ピンホーノレ発生状況 > <Status of occurrence of pinhorne>
〇: ピンホール無し。  〇: No pinhole.
X : ピンホール有り。  X: There is a pinhole.
<エッジカバー状態 >  <Edge cover status>
〇:エッジ部の塗膜厚が均等。  〇: The coating thickness at the edge is uniform.
X :エツジ部の塗膜に欠損あり。 X : The coating film at the edge is missing.
(耐食性)  (Corrosion resistance)
J I S Z 2 3 7 1に準拠した塩水噴霧試験を 5 0 0時間実施し、 表面状 態を肉眼で観察した。 評価の基準は次の通りである。  A salt spray test in accordance with JIS Z 2371 was performed for 500 hours, and the surface state was visually observed. The evaluation criteria are as follows.
〇:腐食無し。  〇: No corrosion.
X :腐食発生。 表 1 X: Corrosion occurred. table 1
Figure imgf000017_0001
表 1によると、 実施例 1〜9の金属製パレットは、 いずれも、 滑り開始角度 が大きく、 防滑性において優れていることがわかる。 また、 実施例 1〜8の金 属製パレットは、 実施例 9の金属製パレットに比べ、 耐食性が良好である。 産業上の利用可能性
Figure imgf000017_0001
Table 1 shows that the metal pallets of Examples 1 to 9 all have a large slip start angle and are excellent in slip resistance. Further, the metal pallets of Examples 1 to 8 have better corrosion resistance than the metal pallets of Example 9. Industrial applicability
本発明によれば、 物品の滑落、 荷崩れ及び作業者の転倒を防止するための防 滑性に優れたパレットを安価に提供することができる。 本発明は、 その精神または主要な特徴から逸脱することなく、 他のいろいろ な形で実施することができる。 そのため、 上述の実施の形態若しくは実施例は あらゆる点で単なる例示に過ぎず、 限定的に解釈してはならない。 本発明の範 囲は、 請求の範囲によって示すものであって、 明細書本文にはなんら拘束され ない。 さらに、 請求の範囲の均等範囲に属する変形や変更は、 すべて本発明の 範囲內のものである。 ADVANTAGE OF THE INVENTION According to this invention, the pallet excellent in the slip resistance for preventing falling of goods, collapse of a load, and fall of an operator can be provided at low cost. The present invention may be embodied in various other forms without departing from its spirit or essential characteristics. Therefore, the above-described embodiments or examples are merely examples in every respect and should not be construed as limiting. The scope of the present invention The box is indicated by the claims and is not bound by the text of the specification. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

Claims

請 求 の 範 囲 The scope of the claims
1 . 物品を載置するためのパレットであって、 1. A pallet for placing articles,
所定の形状に形成された本体と、  A main body formed into a predetermined shape,
前記本体の表面に配置された防滑性塗膜と、  An anti-slip coating disposed on the surface of the main body,
を備えたパレツト。 Palette with.
2. 前記本体が金属製である、 請求の範囲 1に記載のパレット。  2. The pallet according to claim 1, wherein the main body is made of metal.
3 . 前記防滑性塗膜は、 滑り開始角度が 1 5度以上のものである、 請求の範囲 1に記載のパレツト。  3. The pallet according to claim 1, wherein the anti-slip coating film has a sliding start angle of 15 degrees or more.
4 . 前記防滑性塗膜が粉体塗料により形成されたものである、 請求の範囲 1に 記載のパレット。  4. The pallet according to claim 1, wherein the anti-slip coating film is formed of a powder coating.
5 . 前記粉体塗料がポリオレフイン系樹脂粉体塗料である、 請求の範囲 4に記 載のパレット。  5. The pallet according to claim 4, wherein the powder coating is a polyolefin resin powder coating.
6 . 前記ポリオレフイン系樹脂粉体塗料は、 ポリエチレン樹脂、 ポリプロピレ ン樹脂、 エチレン Zアクリル酸共重合体樹脂およびエチレン/酢酸ビュル共重 合体樹脂からなる群より選ばれた少なくとも一種を樹脂成分として用いたもの である、 請求の範囲 5に記載のパレット。  6. The polyolefin resin powder coating uses at least one resin selected from the group consisting of polyethylene resin, polypropylene resin, ethylene Z acrylic acid copolymer resin and ethylene / butyl acetate copolymer resin as a resin component. The pallet according to claim 5, which is a pallet.
7 . 前記ポリオレフイン系樹脂粉体塗料が発泡剤を含んでいる、 請求の範囲 5 に記載のパレツト。  7. The pallet according to claim 5, wherein the polyolefin-based resin powder coating contains a foaming agent.
8 . 所定の形状に形成された本体と、 前記本体の表面に配置された防滑性塗膜 とを備えた、 物品を載置するための複数のパレツ卜からなり、  8. A plurality of pallets for placing articles, comprising a main body formed in a predetermined shape, and a non-slip coating film disposed on a surface of the main body,
複数の前記パレットは、 前記防滑性塗膜の色彩により、 少なくとも二種類に 区別される、  The plurality of pallets are distinguished into at least two types by the color of the anti-slip coating film,
パレツ卜群。 Pallet group.
9. 物品を載置するためのパレットを製造するための方法であって、 前記パレットの本体を形成するための複数の部材を用意する工程と、 複数の前記部材のそれぞれに防滑性塗料による塗膜を付与する工程と、 前記塗膜が付与された複数の前記部材を所定の形状に組合せて接合し、 前記 本体を形成する工程と、 9. A method for manufacturing a pallet for placing articles, the method comprising: A step of preparing a plurality of members for forming the main body of the pallet; a step of applying a coating film made of an anti-slip coating to each of the plurality of members; Forming a body by combining and joining to the shape of
を含むパレットの製造方法。 Pallet manufacturing method including:
1 0 . 複数の前記部材のそれぞれが金属製である、 請求の範囲 9に記載のパレ ッ卜の製造方法。  10. The pallet manufacturing method according to claim 9, wherein each of the plurality of members is made of metal.
1 1 . 物品を載置するためのパレットを製造するための方法であって、  1 1. A method for manufacturing a pallet for placing articles, comprising:
所定の形状に形成された本体を用意する工程と、  A step of preparing a main body formed in a predetermined shape,
前記本体に防滑性塗料を塗装する工程と、  A step of applying a non-slip coating to the main body,
を含むパレットの製造方法。 Pallet manufacturing method including:
1 2 . 前記本体が金属製である、 請求の範囲 1 1に記載のパレツ卜の製造方法。  12. The method for producing a pallet according to claim 11, wherein the main body is made of metal.
1 3 . 流動浸漬塗装法および静電塗装法のうちのいずれかの方法により前記防 滑性塗料を塗装する、 請求の範囲 1 2に記載のパレツトの製造方法。 13. The method for producing a pallet according to claim 12, wherein the anti-slip coating is applied by any one of a fluid immersion coating method and an electrostatic coating method.
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WO2003045801A2 (en) * 2001-11-21 2003-06-05 3M Innovative Properties Company Plastic transport and storage pallet comprising a polymeric composition

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CN103387078A (en) * 2012-05-10 2013-11-13 (株)杰恩熙 Tray with package component structure for loading goods
CN106395069A (en) * 2016-11-22 2017-02-15 无锡市竞杰物联网科技有限公司 Metal tray and processing method thereof
CN109760919A (en) * 2018-12-26 2019-05-17 江阴复睿金属科技有限公司 High load-bearing aluminum trays
CN109760919B (en) * 2018-12-26 2020-09-11 江阴复睿金属科技有限公司 High-bearing aluminum tray
US11058109B1 (en) 2020-02-07 2021-07-13 Earthkind, Llc Pest-repellent pallet slip sheets
WO2021158242A1 (en) * 2020-02-07 2021-08-12 Earthkind, Llc Pest-repellent pallet slip sheets
CN112775629A (en) * 2020-12-31 2021-05-11 锋尚绿品零碳物联技术(青岛)有限公司 Tray processing method

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