WO2011005637A1 - Palette de bois dotée de planches d’entrée lamellées multiplis - Google Patents

Palette de bois dotée de planches d’entrée lamellées multiplis Download PDF

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Publication number
WO2011005637A1
WO2011005637A1 PCT/US2010/040709 US2010040709W WO2011005637A1 WO 2011005637 A1 WO2011005637 A1 WO 2011005637A1 US 2010040709 W US2010040709 W US 2010040709W WO 2011005637 A1 WO2011005637 A1 WO 2011005637A1
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WO
WIPO (PCT)
Prior art keywords
wood
boards
lead
pallet
board
Prior art date
Application number
PCT/US2010/040709
Other languages
English (en)
Inventor
Lawrence E. Renck
Xiaokai Niu
Original Assignee
Sonoco Development, Inc.
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 Sonoco Development, Inc. filed Critical Sonoco Development, Inc.
Publication of WO2011005637A1 publication Critical patent/WO2011005637A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0053—Rigid pallets without side walls the load supporting surface being made of more than one element
    • B65D19/0077—Rigid pallets without side walls the load supporting surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0089—Rigid 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
    • B65D19/0093—Rigid 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
    • B65D19/0095—Rigid 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
    • 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
    • B65D2519/00029—Wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00034—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00044—Combination, e.g. different elements made of different materials, laminates
    • 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
    • B65D2519/00064—Wood
    • 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
    • B65D2519/00099—Wood
    • 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
    • B65D2519/00293—Overall construction of the load supporting 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
    • B65D2519/00323—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
    • B65D2519/00547—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

Definitions

  • the present disclosure relates to pallets.
  • the disclosure relates more particularly to pallets formed entirely or substantially entirely of wood.
  • Wood pallets are in widespread use for shipping products between manufacturers, distributors, and retailers. It is estimated that at present there are over one billion pallets in circulation worldwide. The vast majority of pallets in circulation are constructed with a top deck formed of solid wood boards (typically softwood such as southern yellow pine) nailed to a plurality of wood spacer members such as stringers or wood blocks. Two-way entry pallets typically employ long stringers as the spacer members, while four-way entry pallets (which are becoming more popular because of the greater ease of use that four- way entry allows) typically employ wood blocks. Of the pallets used in North America, by far the most commonly used is the Grocery Manufacturers' Association (GMA) pallet, which accounts for about 30% of all new wood pallets produced in the United States. The GMA pallet has dimensions of 48 inches by 40 inches. The solid wood deck boards are generally 3.5 inches or 5.5 inches wide by 40 inches long by about 11/16-inch thick.
  • GMA Grocery Manufacturers' Association
  • the two deck boards located at the opposite edges of the pallet (which are referred to herein as the "lead board") are often impacted by the forklift or pallet jack as it moves forward to insert the tines in the spaces defined by the stringers or blocks.
  • Such impacts can quickly damage the lead boards, rendering the pallet unusable until it is repaired by replacing the lead boards.
  • pallets with damaged lead boards are simply discarded rather than repaired. Whether the pallets are discarded or repaired, significant costs are incurred because of the damage.
  • a wood pallet comprising a top deck affixed atop a plurality of spaced-apart wood spacer members such that openings for receiving tines of a forklift are defined between the spacer members.
  • the top deck comprises a plurality of elongate wood boards arranged parallel and side-by-side one another, the boards including two lead boards respectively located at two opposite edges of the top deck, and a plurality of intermediate boards disposed between the two lead boards.
  • the intermediate boards comprise solid virgin wood boards.
  • Each of the lead boards comprises a multi-ply laminated wood board made up of a plurality of wood material sheets adhesively laminated one atop another.
  • the laminated wood lead boards have a capacity to withstand a greater number of edgewise forklift impacts of a given magnitude without failing, in comparison with the solid virgin wood boards, when tested according to the dynamic "Incline-Impact Resistance of Leading Edge Deckboard of Pallet" in test standard ASTM D 1 185 or its equivalent.
  • the laminated wood lead boards advantageously can withstand at least three times as many impacts as the solid virgin wood boards, more preferably at least four times as many impacts, and still more preferably at least five times as many impacts.
  • each of the wood material sheets making up the lead boards has a predominant grain direction
  • each lead board has at least one of the wood material sheets oriented with the predominant grain direction parallel to a first direction and at least one of the wood material sheets oriented with the predominant grain direction parallel to a second direction different from the first direction.
  • the first and second directions can be perpendicular to each other.
  • each lead board is made up of 7 to 15 wood material sheets arranged with the predominant grain directions alternately parallel to the first direction and parallel to the second direction.
  • the lead boards are Russian birch plywood each made up of 1 1 to 15 plies of birch.
  • a suitable lead board can be, for example, a 13- ply Russian birch plywood having a thickness of 18 mm.
  • each lead board can comprise a plurality of bamboo wood material sheets adhesively laminated together.
  • the lead boards can be bamboo plywood wherein each layer is formed by a plurality of parallel strips of bamboo arranged side-by-side.
  • the face sheets can be formed from very thin strips of bamboo running at 0° and 90° angles and interwoven together.
  • each lead board can have at least one relatively soft wood material sheet and at least one relatively hard wood or non-wood material sheet.
  • each lead board has a core of relatively soft wood and at least one relatively hard wood or non-wood material sheet disposed on one or both sides of the core.
  • the core can be, for instance, pine, birch, or the like;
  • the outer hard material sheets can be a hard wood such as bamboo, or hardboard, or a hard non-wood material such as a polymer-based material.
  • each lead board can have hard and soft sheets disposed in an alternating hard/soft fashion (e.g., hard/soft/hard/soft/hard, or hard/soft/soft/soft/hard, or the like).
  • FIG. 1 is a schematic top view of a pallet in accordance with one embodiment of the invention.
  • FIG. 2 is a perspective view of the pallet of FIG. 1 , with the pallet inverted to show its underside, and with the bottom boards removed to show the spacer blocks;
  • FIG. 3 is a bottom plan view of the pallet.
  • a pallet 20 in accordance with one embodiment of the invention is depicted in FIGS. 1 and 2.
  • the pallet has a top deck formed by a plurality of elongate top deck boards arranged parallel and side-by-side one another, the boards being designated LB, TD2, TD3, and TD4.
  • the top deck boards are arranged in order, from one side to an opposite side of the pallet, as LB-TD2-TD3-TD3-TD4-TD3-TD3-TD2-LB.
  • the top deck boards LB are designated herein as "lead boards" because they are at the opposite edges of the pallet and thus are the boards that tend to be impacted by a forklift or pallet jack during the process of picking up and moving the pallet and its load.
  • the other top deck boards TD2-TD4 are called “intermediate boards" because they are disposed between the two lead boards LB.
  • the deck boards are nailed or otherwise affixed to a plurality of spaced cross boards X1, X2 oriented with their lengths perpendicular to the lengths of the deck boards, and to a plurality of spacer blocks SB1 , SB2, SB3, SB4 that space the top deck off the ground.
  • spacer blocks SB1 , SB2, SB3, SB4 that space the top deck off the ground.
  • the intermediate deck boards TD2-TD4 are solid virgin wood boards (i.e., single-thickness, non-laminated wood boards), such as southern pine boards or hardwood boards of any of various species, while each of the lead boards LB is a multi-ply laminated wood board made up of a plurality of wood material sheets adhesively laminated one atop another.
  • the lead boards LB can have any of various constructions.
  • each lead board is a Russian birch plywood board having from 11 to 15 plies of birch adhesively laminated together to form a board having a thickness of about 15 to 21 mm.
  • the board has 13 plies and has a thickness of about 17 to 18 mm.
  • Each birch ply has a predominant grain direction, and the plies of the board are arranged such that the predominant grain directions are not all parallel.
  • adjacent plies have their grain directions oriented 90° relative to each other.
  • This "cross-laminated" construction can impart to the lamination substantially the same degree of impact resistance in the two different grain directions, which enables greater flexibility in manufacturing, since it is not as critical how the lead board's length direction is oriented with respect to the sheet from which the lead board is cut. Additionally, the cross-laminated construction can reduce or eliminate crack initiation at nail holes.
  • each lead board is a bamboo plywood board.
  • the bamboo plywood board can have from 7 to 11 plies and a thickness of about 15 to 21 mm. In a particular embodiment, the bamboo plywood has 9 plies and a thickness of about 18 mm.
  • each lead board can have a core that is relatively soft (e.g., a solid softwood board) and one or more outer wood material layers disposed on one or both sides of the core.
  • the outer wood material layer(s) can comprise, for example, a bamboo sheet, or a hardboard sheet.
  • Hardboard also called high-density fiberboard, is an engineered wood product similar to particleboard and medium-density fiberboard, but denser and much stronger and harder because it is made out of exploded wood fibers that have been highly compressed. It generally has a density of 31 lbs. or more per cubic foot, and usually about 50-65 lbs. per cubic foot. It differs from particle board in that the bonding of the wood fibers requires no additional materials, although resin is often added.
  • the lead boards While all-wood lead board structures are generally preferred for reasons of cost, renewability, and recyclability, it is also possible for the lead boards to have outer layer(s) of non-wood material, such as polymer-based material, combined with one or more wood material layers.
  • non-wood material such as polymer-based material
  • the hard/soft construction of the lead boards is susceptible of many variations.
  • the lead boards can have any of the following structures, which are given merely by way of example and are not limiting in any way: • hard/soft
  • the various hard and soft layers can have various thicknesses.
  • the soft layer(s) can have a collective thickness that is greater than a collective thickness of the hard layer(s). It is thought that by combining hard outer layers with one or more soft core or inner layers, the hard outer layers can help reduce crushing of the board, while the soft layer(s) can absorb and dissipate the impact energy.
  • Testing was performed using a forklift impact simulator to compare the impact resistance of pallets having laminated lead boards with the impact resistance of pallets having solid virgin wood lead boards. The testing was performed in accordance with the dynamic "Incline-Impact Resistance of Leading Edge Deckboard of Pallet" in test standard ASTM D 1 185.
  • a 750-pound weight was supported atop the pallet, which was placed on a freely rolling carriage.
  • the carriage was started from a dead stop on a 10° inclined ramp and was then released and allowed to roll down the ramp, with the lead board of the pallet having its length extending perpendicular to the rolling direction.
  • Forklift forks were fixedly mounted on an essentially immovable mass at the bottom end of the ramp, and were positioned such that the heels of the forks were impacted by the leading edge of the lead board of the pallet.
  • the forks had a tine of 36 inches in length (from the tine tip to the heel of the fork). Both 0° and 4° heel impact tests were conducted (the indicated angle being the angle between the plane of the tine and the plane in which the lead board traveled down the inclined ramp). Additionally, direct tine tip impact tests were conducted in which the lead board impacted the tips of the tines. For the 0° heel impact tests, the leading edge of the lead board was spaced 36 inches from the fork heel when the carriage was released.
  • the leading edge of the lead board was spaced 36 inches from the tine tip when the carriage was released. While ASTM D 1185 does not include a tine tip impact test protocol, the tine tip impact testing was performed using the same general test setup as described above. The spacing for the tine tip impact tests was 6 inches from the leading edge of the lead board to the tine tip.
  • SYP southern yellow pine board of about 0.7 inch (about 17.5 mm) thickness
  • RB Russian birch plywood of about 0.7 inch (about 18 mm) thickness, made up of 13 plies of birch
  • the SYP lead boards failed in the 0° heel impact test after an average of only 14 impacts.
  • the 4° heel impact test was not performed on the SYP lead boards, because since the SYP lead boards failed the 0° heel impact test after relatively few impacts, the SYP lead boards were deemed to be unacceptable such that further testing would have been pointless.
  • the RB lead boards were able to survive 75 impacts in each test without failure. Testing was halted after 75 impacts, rather than continuing on until failure, because 75 impacts was deemed to be an acceptable impact resistance.
  • the RB lead boards appeared to have much greater resistance to crack initiation and growth.
  • the tine tip impact tests indicated that the SYP lead boards tended to splinter at their leading edges. In the case of the RB lead boards, however, the tine tip tended to penetrate into the board by partially separating adjacent plies of the board, but this did not result in the plies breaking. The tine could then be withdrawn from between the plies, and although the board had evident distortion (waviness) of the plies, it remained intact, with no splinters.
  • the 0° heel impact test was also performed on 7-ply bamboo plywood lead boards (18 mm thickness, 5.5 inch width) butted against a 3.5 inch wide SYP solid wood board.
  • the bamboo plywood lead boards survived 75 impacts without failure.
  • the test results indicate that lead boards of hardwood plywood such as Russian birch and bamboo plywood had a dramatically better resistance to forklift impacts than either solid wood lead boards or conventional plywood lead boards (and that was true even though the Russian birch plywood lead boards in some tests were narrower than the solid wood and conventional plywood lead boards).
  • the types of board constructions described above for the top deck lead boards can also be applied to the bottom deck boards BD1 , BD2 of the pallet (FIG. 3), if desired or needed in a particular application.
  • multi-ply laminated wood board includes conventionally produced plywood wherein logs are debarked and sawn into approximately 8-foot lengths known as “peeler blocks", the peeler blocks are soaked in hot water for a period of time, and the soaked peeler blocks are then processed on a peeler lathe to cut a continuous thin sheet in a generally spiral fashion from the peeler block until the diameter of the block is reduced to a core of about 3 to 4 inches in diameter. The core is discarded and the continuous sheet is converted into rectangular sheets that are subsequently laminated together to form the plywood or laminated wood structure.
  • multi-ply laminated wood board or "plywood” also includes similar structures produced in other ways.
  • oriented strand board which is made by shredding the entire log into strands, rather than peeling a veneer from the log and discarding the core. The strands are mixed with an adhesive and compressed into layers with the grain running in one direction. These compressed layers are then oriented at right angles to each other and are bonded together.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)

Abstract

Une palette de bois comprend un empilement supérieur posé au sommet d’une pluralité d’éléments d’entretoise en bois espacés les uns des autres, de sorte que des ouvertures permettant de recevoir les dents d’un chariot élévateur à fourche soient définies entre les éléments d’entretoise. L’empilement supérieur est formé d’une pluralité de planches de bois allongées disposées parallèles les unes aux autres et les unes à côté des autres, les planches comprenant deux planches d’entrée respectivement situées sur deux bords opposés de l’empilement supérieur, et une pluralité de planches intermédiaires disposées entre les deux planches d’entrée. Les planches intermédiaires sont de solides planches de bois vierge. Chacune des planches d’entrée est une planche de bois lamellée multiplis composée d’une pluralité de feuilles de bois lamellées de manière adhésive les unes sur les autres. Les planches de bois lamellées sont capables de supporter sans problème un nombre plus important d'impacts latéraux de chariot élévateur à fourche par rapport aux solides planches de bois vierge.
PCT/US2010/040709 2009-07-09 2010-07-01 Palette de bois dotée de planches d’entrée lamellées multiplis WO2011005637A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/500,197 US20110005435A1 (en) 2009-07-09 2009-07-09 Wood pallet with multi-ply laminated lead boards
US12/500,197 2009-07-09

Publications (1)

Publication Number Publication Date
WO2011005637A1 true WO2011005637A1 (fr) 2011-01-13

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WO (1) WO2011005637A1 (fr)

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CN104803073B (zh) * 2014-01-26 2017-07-11 艾默生网络能源有限公司 一种承载底座
WO2015191713A1 (fr) * 2014-06-11 2015-12-17 Eovations, Llc Palette et procédé de fabrication et d'utilisation
US10590648B2 (en) 2017-02-06 2020-03-17 Terry Allen Tebb Outdoor wood decking board
CA3072480A1 (fr) * 2017-08-08 2019-02-14 Chep Technology Pty Limited Palette en bois a elements de plancher mis en butee l'un contre l'autre, et procedes associes
US11401073B2 (en) * 2018-07-24 2022-08-02 Chep Technology Pty Limited Wooden pallet with butted deck boards and metal bracket supports
US11554896B2 (en) * 2019-03-06 2023-01-17 Chep Technology Pty Limited Hybrid pallet
WO2023077039A1 (fr) * 2021-10-29 2023-05-04 Verte Technologies, LLC Composition polymère et procédé de revêtement d'une palette en bois avec la composition polymère

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US5240050A (en) * 1992-05-21 1993-08-31 Shing Wang F Method for fabricating a gluing plank
US6003448A (en) * 1997-12-05 1999-12-21 G. W. Manufacturing Co., Inc. Wooden pallets and components therefor
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