WO2000020290A1 - Palette haute resistance a parois repliables dotee d'une structure a alignement automatique - Google Patents

Palette haute resistance a parois repliables dotee d'une structure a alignement automatique Download PDF

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Publication number
WO2000020290A1
WO2000020290A1 PCT/US1999/023436 US9923436W WO0020290A1 WO 2000020290 A1 WO2000020290 A1 WO 2000020290A1 US 9923436 W US9923436 W US 9923436W WO 0020290 A1 WO0020290 A1 WO 0020290A1
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WO
WIPO (PCT)
Prior art keywords
pallet
support members
crossbeams
support
support member
Prior art date
Application number
PCT/US1999/023436
Other languages
English (en)
Inventor
Robson T. Young, Jr.
Original Assignee
Young Robson T Jr
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 Young Robson T Jr filed Critical Young Robson T Jr
Priority to AU62954/99A priority Critical patent/AU6295499A/en
Publication of WO2000020290A1 publication Critical patent/WO2000020290A1/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
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
    • B65D19/002—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element
    • B65D19/0024—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element forming discontinuous or non-planar contact surfaces
    • B65D19/0028—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of more than one element forming discontinuous or non-planar contact surfaces and each contact surface having a discrete foot-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
    • B65D2519/00019—Paper
    • 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
    • B65D2519/00054—Paper
    • 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
    • B65D2519/00338—Overall construction of the base surface shape of the contact surface of the base contact surface having a discrete foot-like shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00432—Non-integral, e.g. inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00432—Non-integral, e.g. inserts
    • B65D2519/00442—Non-integral, e.g. inserts on the base surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
    • B65D2519/00567—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements mechanical connection, e.g. snap-fitted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00572—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer with separate auxiliary element, e.g. screws, nails, bayonets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/0098—Dismountable elements
    • B65D2519/00985—Dismountable elements the pallet being not usable as a pallet after dismounting

Definitions

  • This disclosure concerns an invention relating generally to pallets for supporting cargo, and more specifically to pallets made of cellulosic sheets (e.g., paper, cardboard, fiberboard, corrugated cardboard, etc.).
  • cellulosic sheets e.g., paper, cardboard, fiberboard, corrugated cardboard, etc.
  • Pallets are commonly used to support cargo. This disclosure concerns cellulosic pallets of exceptionally high strength which may be provided in flat form for storage and transport, and folded erect to pallet form at locations of use.
  • Fig. 7 of Youell, Jr. et al. illustrates an erect pallet having three beam-like collapsible support members having rectangular cross- sections. Two outer support members are aligned along opposite sides of the bottom of the pallet deck and a central support member extends along the bottom of the pallet deck parallel to the outer support members. The rectangular shape of the support members allows them to be collapsed by folding them as illustrated in Fig.
  • Pallets such as those of Youell, Jr. et al must be carefully assembled if they are to be rapidly erected to pallet form. If a support member is not properly formed with a precisely rectangular cross-section — that is, so that its opposing vertical sidewalls are parallel, and its opposing horizontal floor and ceiling are parallel — it cannot unfold or collapse because the sidewalls and floor/ceiling will act as a truss. It is evident that a support member can only be unfolded or collapsed if its vertical sidewalls and horizontal floor/ceiling are respectively parallel. In order to guarantee such an arrangement, the parts of each support member must be carefully aligned and glued together during construction, and therefore fairly time-consuming assembly steps are required if the pallet is to be repeatedly erected and collapsed.
  • the load-bearing strength of the pallets that is, their ability to withstand compression loads exerted vertically downward on the deck of the pallets
  • their side-shifting that is, their ability to withstand horizontally-oriented forces without collapsing.
  • a pallet will allow both types of support means so that either type may be used and the use of the other type is optional.
  • support blocks are used, they should ideally be easily inserted and removed from the pallet for easier erection and collapsing of the pallet; they should be difficult to dislodge from the pallet during use (an event which could cause accidental collapse and damage to cargo); and they should be unfoldable to a flat form, or otherwise capable of collapsing to a compact form for easier storage.
  • the present invention is directed to a cellulosic pallet having an exceptionally strong self-aligning construction, that is, it may be rapidly assembled with all parts automatically aligned for maximum durability (and also for collapsibility, if such is desired).
  • the pallet is believed to have a higher degree of strength than any of the aforementioned cellulosic pallets having comparable assembly times.
  • a preferred pallet in accordance with the invention includes a main portion which includes (1) a generally planar pallet deck and two outer support members (that is, support members that each rest beneath the pallet deck at its opposing lateral sides); (2) a central support portion which includes one or more central support members which rest between the outer support members; (3) support blocks which are each sized to fit within the internal channel of one of the support members (see FIG. 3 for an illustration of a support block 600 removed from its support member); and (4) crossbeams extending beneath the pallet deck to intersect at least two of the elongated support members (again see FIG. 3 for a particularly illustrative view of a crossbeam 400).
  • the crossbeams and support members both have the same height beneath the pallet deck (i.e., both extend between the bottom of the pallet deck and the floor) across the major portions of their lengths so that they both serve to support the pallet deck.
  • the outer support members are defined by a series of integrally connected sections extending from (and integrally connected to) the lateral sides of the pallet deck.
  • Each series of sections includes an outer sidewall section, a floor section, an inner sidewall section, and a deck section.
  • the sections are separated by fold lines, all of which are parallel. The sections may be folded beneath the pallet deck so that the deck section is in abutment with the underside of the pallet deck, thereby placing the inner and outer sidewall sections in opposing relation and also placing the floor section opposite the pallet deck (as seen in FIGS.
  • each outer support member (as shown at 318 in FIG. 3).
  • the central support portion includes at least one central support member having opposing sidewalls with a floor therebetween, and side flaps extending from the sidewalls and terminating in lateral edges.
  • the floor, sidewalls, and side flaps are all separated by fold lines, which are parallel to each other and additionally to the lateral edges of the side flaps.
  • the sidewalls are sized to have the same height, and the side flaps are sized so that when they are placed in parallel relation to the floor at maximum distance therefrom, their lateral edges fit in abutment with the outer support members when inserted therebetween.
  • the support blocks and crossbeams are preferably each formed of a single piece of cellulosic material which is divided into a series of adjacent strips by an array of parallel fold lines, whereby the strips may be accordion-folded about the fold lines to form the support blocks and crossbeams.
  • the support blocks and crossbeams are essentially each formed of a "stack" of cellulosic material with extremely high strength in directions oriented along the planes of the cellulosic material.
  • the support blocks and crossbeams will be somewhat compressible in directions oriented perpendicularly to the planes of the strips, particularly where the cellulosic material is corrugated cardboard. As can be seen particularly well in FIG.
  • the support members and crossbeams include complimentary insertion slots whereby the crossbeam is received within the insertion slots of the support members, and the support members are simultaneously received within the insertion slots of the crossbeams.
  • the interlocking arrangement of the support members and crossbeams is beneficial insofar as no adhesive is necessary to hold the pallet together in the condition of FIGS. 1-2: once the crossbeam is inserted, the pallet is folded together in a constructed state. This arrangement is promoted by sizing the crossbeam insertion slots within the support members slightly more narrow than the widths of the crossbeams themselves.
  • crossbeams are formed of corrugated cardboard or similar cellulosic material
  • insertion of the crossbeams within the crossbeam insertion slots of the support members has the effect of sligh ⁇ y compressing the width of the crossbeams, thereby firmly wedging the crossbeams within the support members. This helps to later prevent a crossbeam from easily being dislodged from the slots in the support members. Further, it helps to lock the crossbeams and the support members into an extremely rigid grid pattern which is highly resistant to bending in all directions, and which has exceptionally high load-supporting capacity.
  • the load capacity is particularly enhanced when the planes of the cellulosic sheets forming the crossbeams and support blocks are oriented perpendicularly to the pallet deck, since the cellulosic sheets are not as compressible in this direction.
  • each support member preferably includes a support member valley defined therein at the bottom of the support member (and pallet), the support member valley being oriented generally perpendicular to the lengths of the support members and parallel to the lengths of the crossbeams.
  • the support member valleys may be defined by openings formed on the outer sidewall sections, floor sections, and inner sidewall sections; on the central support member, the support member valleys may be defined by openings formed on its sidewalls and floor.
  • the support blocks received within these support members include complementary valleys, as can be most easily seen in FIG. 3. Thus, when the support blocks are inserted within the internal channels of the support members, the support member valleys are left open to accommodate the arms of a forklift.
  • valleys decreases the contact area between the support blocks and support members when the support blocks are inserted within the support members, thereby decreasing friction and making the support blocks easier and faster to install. Further, the valleys reduce the weight and material expense of the pallet without significantly decreasing its load-bearing strength.
  • the crossbeams each preferably include a valley situated at the bottom of the crossbeam (and pallet) which is oriented perpendicularly to the lengths of the crossbeams (and parallel to the support members).
  • Each valley in a support member is preferably situated between two crossbeams, and each valley within a crossbeam is preferably situated between two support members.
  • the support members are highly resistant to tearing off of the pallet deck, a problem which is commonly encountered in prior pallets; and the pallet deck effectively has a double-layer construction over the majority of its surface, thereby imparting greater effective strength to the pallet deck.
  • FIG. 1 is a top perspective view of the pallet of the present invention.
  • FIG. 2 is a bottom perspective view of the pallet of FIG. 1.
  • FIG. 3 is a bottom perspective view of the pallet of FIG. 1 shown with only one crossbeam 400 (shown removed), and with one support block 600 shown removed.
  • FIG. 4 is a view of the pallet of FIGS. 1-3 shown in disassembled and unfolded form, with only one crossbeam 400 and one support block 600 being shown.
  • FIGS. 1 and 2 a first embodiment of the pallet of the present invention is illustrated in assembled form in FIGS. 1 and 2 at 100.
  • FIG. 3 which illustrates the pallet 100 from its underside in partially disassembled form, the pallet 100 includes three main portions: an outer support portion 200, a central support portion 300, and crossbeams 400. Each of these will now be discussed in turn.
  • the outer support portion 200 includes a pallet deck 202 and two outer support members 204 and 206, each resting beneath the pallet deck 202 at its opposing lateral sides.
  • the outer support members 204 and 206 are defined by a series of sections extending from the lateral sides of the pallet deck 202. These sections include an outer sidewall section 208; a floor section 210; an inner sidewall section 212; and a deck section 214, wherein the sections 208, 210, 212, and 214 collectively extend between opposing outer lateral edges 216 of the deck sections 214.
  • the sections 208, 210, 212, and 214 are separated from each other (and from the pallet deck 202) by fold lines 218 (this reference numeral being shown only in FIG. 4).
  • sections 208, 210, 212, and 214 be folded inwardly along the fold lines 218 to define generally tubular outer support members 204 and 206 having internal channels 220 therein, thereby converting the blank outer support portion 200 (FIG. 4) to the assembled outer support portion 200 illustrated in FIGS.
  • the sections 208, 210, 212, and 214 that form the outer support members 204 and 206 must meet certain specifications.
  • all fold lines 218 must be parallel. This guarantees that the outer support members 204 and 206 will be parallel when the sections 208, 210, 212, and 214 are folded along the fold lines 218.
  • the outer and inner sidewall sections 208 and 212 must be formed with approximately the same height (as measured laterally from the pallet deck 202 in FIG. 4), and the floor and deck sections 210 and 214 must be formed with approximately the same width (also as measured laterally from the pallet deck 202 in FIG. 4).
  • the inner sidewall section 212 should be formed slightly shorter than the outer sidewall section 208, and the deck section 214 should be slightly shorter than the floor section 210, by a distance equal to the thickness of the material used to construct the outer support portion 200. This more precise sizing makes the outer/inner sidewall sections 208/212, as well as the floor/deck sections 210 and 214, more precisely aligned in parallel relation.
  • the outer support members 204 and 206 With dimensions that fairly precisely meet these specifications, the inner/outer sidewall sections 208/212 and floor/deck sections 210/214 will automatically be aligned in parallel relation when the face of the deck section 214 is folded into abutment with the pallet deck 202, with its outer lateral edge 216 in abutment with the outer sidewall section 208. This ensures that the outer support members 204 and 206 are easily and simultaneously collapsed when the pallet is pushed in a lateral direction, and when no objects rest within the internal channels 220 of the outer support members 204 and 206.
  • the user assembling the outer support portion 200 does not need to pay particularly close attention to the alignment of the sections 208, 210, and 212 during assembly because it is an easy matter to place the deck section 214 in abutment with both the pallet deck 202 and the outer sidewall section 208.
  • Adhesive may be used to affix the deck section 214 to the pallet deck 202 and/or the outer sidewall section 208 if permanency is desired.
  • the central support portion 300 includes a central support member 302 having opposing sidewalls 304 and 306 with a floor 308 therebetween, and side flaps 310 and 312 extending from the lateral edges of the sidewalls 304 and 306 and terminating in lateral edges 314.
  • the sidewalls 304 and 306, the floor 308, and the side flaps 310 and 312 are all separated by fold lines 316 (this reference numeral being shown only in FIG. 4), which are all parallel with respect to each other and also parallel to the lateral edges 314. It is desirable to make the central support portion 300 rapidly installable between the outer support members 204 and 206 of the outer support portion 200, with the central support member 302 being parallel to (and thus simultaneously collapsible with) the outer support members 204 and 206.
  • the central support member 302 will automatically be formed with the sidewalls 304 and 306 are in parallel relation, and wherein the sidewalls 304 and 306 and floor 308 are also in parallel relation to each other and to the pallet deck 202.
  • the central support member 302 is therefore parallel and simultaneously collapsible with the outer support members 204 and 206, and includes an internal channel 318 between the pallet deck 202 and floor 308, and between the sidewalls 304 and 306.
  • the pallet 100 can be constructed in exceptionally rapid fashion without fear of misalignment, that is, non- parallel support members, support members which are not simultaneously collapsible, or support members which have lateral or longitudinal edges which are not aligned with the edges of the pallet deck 202.
  • This self-aligning feature simultaneously reduces both the time needed to construct the pallet 100, and the possibility that a misaligned (and thus less durable) pallet will be constructed.
  • Support member valley openings 500 are formed on the outer sidewall section 208, floor section 210, and inner sidewall section 212 of the outer support members 204 and 206. Such support member valley openings 500 are also formed on the sidewalls 304/306 and floor 308 of the central support member 302. As a result, when the support members 204, 206, and 302 are assembled from the form of FIG. 4 to the form of FIG. 2, arch-like support member valleys 502 are formed in the support members between the plane of the pallet deck 202 and the plane of the floor section 210 and floor 308. These support member valleys 502 extend through the support members 204, 206, and 302 in directions generally perpendicular to their lengths.
  • forklift tines may be inserted through these support member valleys 502 so that the tines extend through and under all of the support members 204, 206, and 302, thereby allowing the forklift tines to lift the pallet 100 via its support members.
  • support member insertion slot openings 504 are formed on the outer sidewall section 208, floor section 210, and inner sidewall section 212 of the outer support members 204 and 206, as well as on the sidewalls 304/306 and floor 308 of the central support member 302.
  • support member insertion slots 506 are formed in the support members between the plane of the pallet deck 202 and the plane of the floor section 210 and floor 308.
  • the support member insertion slots 506 extend through the support members 204, 206, and 302 along axes oriented generally perpendicular to the lengths of the support members, and as will be discussed below, they accommodate the insertion of the crossbeams 400.
  • the support member insertion slots 506 are shaped with generally rectangular support member insertion slot bottoms 508 (i.e., those portions of the slots 506 resting closest to the pallet deck 202) and support member slot insertion slot mouths 510 which converge inwardly towards the support member insertion slot bottoms 508.
  • the slot mouths 510 at their widest point, have a width which is approximately the same as the width of the crossbeams 400 so as to allow the crossbeams 400 to be easily inserted.
  • the narrower portions of the support member insertion slot mouths 510 are sized with a width slightly smaller than that of the insertable crossbeams 400.
  • the crossbeams 400 are wedged tightly into the support member insertion slots 506 during insertion, and they will experience some compression. This compression is easily accommodated where the crossbeams 400 are made of multi-ply corrugated cardboard, but where less compressible material is used for the crossbeams 400, it may be desirable to size the insertion slots 506 so that they provide lesser or no compression of the crossbeams 400.
  • support blocks 600 are preferably provided within the internal channels 220 of the outer support portion 200 (i.e., between the sections 208, 210, 212, and 214 of the outer support members 204 and 206), and also within the internal channel 318 of the central support portion 300 (i.e., between its opposing sidewalls 304 and 306, and also between its floor 308 and the pallet deck 202).
  • the support block 600 is sized to occupy all or a substantial part of the interiors of the support members 204, 206, and 302 when resting axially within the support members. As illustrated in FIGS.
  • the support block 600 may be formed of a paperboard support block blank which is divided into segments 602 by fold lines 604, the segments 602 having substantially similar sizes and having mirror-image symmetric configurations with respect to adjacent segments 602 across bounding fold lines 604. This allows the blank support block 600 of FIG. 4 to be folded in accordion fashion about the fold lines 604 to construct the assembled support block 600 shown in FIG. 3.
  • the support block 600 may then be snugly fit within the outer support members 204 and 206 and the central support member 302, with the fit preferably being sufficiently snug that the support block 600 will be substantially resistant to slipping within the support members.
  • the support block 600 includes support block valleys 606 (best illustrated in FIG. 3) which are defined in the surfaces of the support block 600. As FIG. 4 illustrates, these support block valleys 606 are formed by defining support block valley openings 608 on the support block blank which combine to form the support block valleys 606 when the support block blank is folded.
  • the support block valleys 606 are formed in conformity with the support member valleys 502 in the outer support members 204 and 206 and the central support member 302 so that the support member valleys 502 are not obstructed along axes perpendicular to the support members and parallel to the pallet deck 202. In similar fashion, as shown in FIG.
  • support block insertion openings 610 are formed on the support block blank which combine to form support block insertion slots 612 (best illustrated in FIG. 3) in the surfaces of the support blocks 600 when the support block blank is folded.
  • the support block insertion slots 612 are formed in conformity with the insertion slots 506 in the support members 204, 206, and 302 so that the insertion slots 506 are not obstructed along axes perpendicular to the support members and parallel to the pallet deck 202.
  • the crossbeam 400 which is best shown in FIG. 3, is preferably formed of multiple layers of corrugated cardboard in the same manner as the support blocks
  • the length of the crossbeam 400 is preferably the same as that of the pallet 100 between its lateral edges.
  • the crossbeam 400 has a top surface 404 with depressed regions or slots 406 corresponding to the insertion slots in the support members 204, 206, and 302, a bottom surface 408 having crossbeam valleys 410 defined therein for insertion of the tines of a forklift, and opposing sides 412 which, as noted above, are spaced by approximately the width of the slot openings 510 at their widest point.
  • the crossbeam 400 When the crossbeam 400 is inserted into the insertion slots 506, it extends across the underside of the pallet 100 from one of its sides to the other, its top surface rests closely adjacent to the side flaps 310 and 312 of the central support portion 300, and its bottom surface 408 rests in generally the same plane as the floor sections 210 of the outer support members 204 and 206 and the floor 308 of the central support member
  • the depressed regions/slots 406 on the top surface 404 rest in abutment with the bottom of the insertion slots 506, whereas the remainder of the top surface 404 holds the side flaps 310 and 312 of the central support portion 300 in abutment with the pallet deck 202.
  • the converging insertion slots 506 maintain the crossbeam 400 tightly wedged therein, thereby preventing the crossbeam 400 from falling out of the bottom of the pallet 100 when it is lifted. It is notable that since the insertion slots
  • pallet 100 is shown and described above to illustrate a particularly preferred embodiment of the invention, and the invention is not limited to this embodiment alone.
  • Various modified versions of the pallet 100 are also within the scope of the invention, and examples of these modifications follow.
  • support blocks 600 and crossbeams 400 were described above as being folded from blanks in accordion-folded fashion, other folding arrangements may be used as well, e.g., the segments 602 of the support blocks 600 could be folded in spiral fashion about the fold lines 604.
  • the support blocks 600 need not be inserted within the support member internal channels 220 and 318 after the support members 204, 206, and 302 are constructed. Instead, they can be placed on the blank of the outer support portion 200 or the central support portion 300, and the blanks can be folded to form the support members 204, 206, and 302 directly around them. If collapsibility is not required, this procedure can be followed after applying adhesive to the support blocks 600 and the blanks of the outer support portion 200 and central support portion 300 so that the support blocks are firmly adhered within the internal channels 220 and 316.
  • the lateral widths of the blanks of the outer support portion 200 and the central support portion 300 can be varied, and the lateral edges 216 and lateral edges 314 of the blanks may be situated at different locations after the support members 204, 206, and 302 are formed.
  • the deck sections 214 of the outer support members 204/206 could be situated in parallel abutment with the pallet deck 202 outside the outer support members 204 and 206, and could extend inwardly towards the center of the pallet 100 to have their lateral edges 216 contact the lateral edges 314 of the central support portion 300 at its side flaps 310 and 312.
  • the outer internal channels 220 would be bounded by the pallet deck
  • the support blocks 600 would essentially be inserted into a portion of the thickness of the effective pallet deck and would therefore more effectively be affixed within the pallet 100.
  • the side flaps 310/312, sidewalls 304 and 306, and floor 308 of the central support member 302 are sized as shown in FIGS.

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

Abstract

L'invention se rapporte à une palette en matière cellulosique (100) dans laquelle un plancher en matière cellulosique (202) est supporté par des éléments de support tubulaires pliables (204, 206, 302) dotés de sections transversales rectangulaires. Cette palette comporte une partie principale constituée du plancher de palette et d'une série de rabats en saillie par rapport aux bords latéraux du plancher, lesdits rabats pouvant être pliés pour définir des éléments de support externes (204, 205). Cette palette comporte également une partie centrale incluant un élément de support central (302) et des rabats latéraux en saillie par rapport aux côtés latéraux de l'élément de support central. Les rabats latéraux sont dimensionnés et conçus de sorte que lorsque l'élément de support central est disposé entre les éléments de support externes avec ses rabats latéraux en aboutement avec les éléments de support externes, tous les éléments de support sont disposés en parallèle et en relation permettant leur pliage simultané. Les blocs (600) de support en matière cellulosique peuvent être insérés dans les longueurs des éléments de support de manière à conférer une résistance accrue. En outre, des entretoises en matière cellulosique (400) peuvent être installées sous le plancher de la palette et être disposées perpendiculairementux éléments de support, ces derniers et les blocs de support comportant des fentes d'insertion conçues pour recevoir les entretoises.
PCT/US1999/023436 1998-10-08 1999-10-07 Palette haute resistance a parois repliables dotee d'une structure a alignement automatique WO2000020290A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU62954/99A AU6295499A (en) 1998-10-08 1999-10-07 High-strength collapsible pallet with self-aligning construction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10349098P 1998-10-08 1998-10-08
US60/103,490 1998-10-08

Publications (1)

Publication Number Publication Date
WO2000020290A1 true WO2000020290A1 (fr) 2000-04-13

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AU (1) AU6295499A (fr)
WO (1) WO2000020290A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2840287A1 (fr) * 2002-05-31 2003-12-05 Knauf Snc Palette de grandes dimensions en matiere plastique expansee
WO2009138526A1 (fr) * 2008-05-12 2009-11-19 Papeles Y Cartones De Europa, S.A. Palette
US8470188B2 (en) 2008-10-02 2013-06-25 Molecular Imprints, Inc. Nano-imprint lithography templates
US8889332B2 (en) 2004-10-18 2014-11-18 Canon Nanotechnologies, Inc. Low-K dielectric functional imprinting materials

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US2493562A (en) 1947-04-04 1950-01-03 Ohio Boxboard Co Loading pallet
US2665096A (en) 1951-11-21 1954-01-05 Int Harvester Co Collapsible double-faced pallet
GB779020A (en) 1954-12-06 1957-07-17 Reed Corrugated Cases Ltd Improvements in or relating to load-handling pallets
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FR2158447A1 (fr) 1971-11-04 1973-06-15 Philips Nv
FR2260503A2 (en) 1974-02-13 1975-09-05 Rochette Cenpa Pallet for use in materials handling - is made from corrugated cardboard so that fork lift truck can use any of four sides
US3911834A (en) 1973-09-13 1975-10-14 Int Paper Co Pallet
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DE9006016U1 (de) 1990-05-28 1991-09-26 Schröter + Bake AG, 8402 Neutraubling Transportpalette
US5176090A (en) 1992-02-19 1993-01-05 Lawrence Paper Company Recyclable paper pallet
DE9216776U1 (de) 1992-12-09 1993-02-11 Holfelder Werke GmbH und Co KG, 6837 St. Leon-Rot Palette aus Wellpappe
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US5285731A (en) 1992-07-23 1994-02-15 Packaging Corporation Of America Lightweight fiberboard pallet
US5320048A (en) 1990-04-02 1994-06-14 Gideon Feiner Panel structures formed by extrusion
US5327839A (en) 1991-11-25 1994-07-12 Ecological Pallets Limited Corrugated fiberboard pallet
US5329861A (en) 1991-06-24 1994-07-19 Mccarthy David F Lightweight pallet
US5339746A (en) 1992-06-02 1994-08-23 Rock-Tenn Company Pallet leg assembly
US5377600A (en) 1992-01-21 1995-01-03 Arvco Container Corporation Pallet and pallet runner of corrugated cardboard
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US5469795A (en) 1991-10-07 1995-11-28 Georgia-Pacific Corporation Pallet constructed of sheet material
US5503085A (en) 1993-07-12 1996-04-02 Mills Pacific Corporation Pallet and method for manufacture
US5517926A (en) 1994-09-16 1996-05-21 National Pallet L.L.C. Collapsible pallet
USD370762S (en) 1995-02-10 1996-06-11 National Pallet, L.L.C. Collapsible pallet
US5562048A (en) 1994-12-02 1996-10-08 Container Corporation International Inc. Structurally strong pallet facilitating easy manufacture fabricated from a stiff foldable material
US5592885A (en) 1994-09-16 1997-01-14 National Pallet Llc Collapsible pallet
US5816173A (en) 1994-06-01 1998-10-06 Warneford; Peter John Pallet made from plastic flute board

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US2446914A (en) 1944-09-30 1948-08-10 Gaylord Container Corp Pallet construction
US2493562A (en) 1947-04-04 1950-01-03 Ohio Boxboard Co Loading pallet
US2665096A (en) 1951-11-21 1954-01-05 Int Harvester Co Collapsible double-faced pallet
GB779020A (en) 1954-12-06 1957-07-17 Reed Corrugated Cases Ltd Improvements in or relating to load-handling pallets
US3026078A (en) 1958-06-05 1962-03-20 Continental Can Co Collapsible and expendable pallet
LU53980A1 (fr) * 1966-06-30 1967-08-29
US3434435A (en) 1966-06-30 1969-03-25 Achermann W Propping means for packing and transporting requisites
US3628469A (en) 1971-01-04 1971-12-21 Weyerhaeuser Co Reinforced pallet
FR2158447A1 (fr) 1971-11-04 1973-06-15 Philips Nv
US3911834A (en) 1973-09-13 1975-10-14 Int Paper Co Pallet
FR2260503A2 (en) 1974-02-13 1975-09-05 Rochette Cenpa Pallet for use in materials handling - is made from corrugated cardboard so that fork lift truck can use any of four sides
US3940101A (en) 1974-08-02 1976-02-24 Fiat-Allis Construction Machinery, Inc. Quick-bonding adhesively attachable support pads for palletizing containers
US3952672A (en) 1974-12-19 1976-04-27 International Paper Company Corrugated disposable pallet
EP0183140A2 (fr) 1984-11-16 1986-06-04 Europa Carton Aktiengesellschaft Palette de transport rectangulaire pouvant être fabriquée de deux flans en carton réunissables entre eux
FR2583383A1 (fr) 1985-06-12 1986-12-19 Gregori Christian Caisse pliante et procede de montage
US4927026A (en) 1985-08-02 1990-05-22 Navistar International Transportation Corp. Pallet box
US4717026A (en) 1986-04-03 1988-01-05 Golden Aluminum Company Container scanning and accounting device
EP0334329A2 (fr) 1988-03-22 1989-09-27 Canon Kabushiki Kaisha Palette pour supporter des articles
US4863024A (en) 1988-08-10 1989-09-05 Booth Clarence R Collapsible pallet and related products
US4949898A (en) 1989-01-13 1990-08-21 Packaging Corporation Of America Palletized container
WO1995029103A1 (fr) * 1989-03-09 1995-11-02 Unipal International Corporation Element de palette a couverture parametrique et palette fabriquee a partir de tels elements
US5320048A (en) 1990-04-02 1994-06-14 Gideon Feiner Panel structures formed by extrusion
DE9006016U1 (de) 1990-05-28 1991-09-26 Schröter + Bake AG, 8402 Neutraubling Transportpalette
US5269219A (en) 1990-12-26 1993-12-14 Damage Prevention Products Inc. Pallet design using paper materials
US5230291A (en) 1990-12-26 1993-07-27 Damage Prevention Products, Inc. Integrated two-way paper cargo pallet
US5329861A (en) 1991-06-24 1994-07-19 Mccarthy David F Lightweight pallet
US5195440A (en) 1991-09-30 1993-03-23 Container Corporation International Inc. Pallet fabricated of still foldable material
US5469795A (en) 1991-10-07 1995-11-28 Georgia-Pacific Corporation Pallet constructed of sheet material
US5327839A (en) 1991-11-25 1994-07-12 Ecological Pallets Limited Corrugated fiberboard pallet
EP0544414A1 (fr) * 1991-11-27 1993-06-02 Gaylord Container Corporation Palette, méthode et dispositif pour sa fabrication
US5377600A (en) 1992-01-21 1995-01-03 Arvco Container Corporation Pallet and pallet runner of corrugated cardboard
US5222444A (en) 1992-01-29 1993-06-29 American Corrugated Products, Inc. Paperboard runners and paperboard pallets constructed therewith
US5176090A (en) 1992-02-19 1993-01-05 Lawrence Paper Company Recyclable paper pallet
FR2691699A1 (fr) 1992-05-29 1993-12-03 Tillmann Verpackungen Gmbh Système de construction de palette et son procédé de fabrication.
US5339746A (en) 1992-06-02 1994-08-23 Rock-Tenn Company Pallet leg assembly
US5285731A (en) 1992-07-23 1994-02-15 Packaging Corporation Of America Lightweight fiberboard pallet
DE9216776U1 (de) 1992-12-09 1993-02-11 Holfelder Werke GmbH und Co KG, 6837 St. Leon-Rot Palette aus Wellpappe
US5503085A (en) 1993-07-12 1996-04-02 Mills Pacific Corporation Pallet and method for manufacture
US5816173A (en) 1994-06-01 1998-10-06 Warneford; Peter John Pallet made from plastic flute board
US5441154A (en) 1994-06-28 1995-08-15 Youell, Iii; Donald R. Integrated paperboard container and pallet system
US5517926A (en) 1994-09-16 1996-05-21 National Pallet L.L.C. Collapsible pallet
US5592885A (en) 1994-09-16 1997-01-14 National Pallet Llc Collapsible pallet
US5809903A (en) 1994-09-16 1998-09-22 National Pallet Llc Pallet with self-aligning construction
US5562048A (en) 1994-12-02 1996-10-08 Container Corporation International Inc. Structurally strong pallet facilitating easy manufacture fabricated from a stiff foldable material
USD370762S (en) 1995-02-10 1996-06-11 National Pallet, L.L.C. Collapsible pallet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2840287A1 (fr) * 2002-05-31 2003-12-05 Knauf Snc Palette de grandes dimensions en matiere plastique expansee
ES2255782A1 (es) * 2002-05-31 2006-07-01 Snc Knauf Paleta de grandes dimensiones de material plastico expandido.
US8889332B2 (en) 2004-10-18 2014-11-18 Canon Nanotechnologies, Inc. Low-K dielectric functional imprinting materials
WO2009138526A1 (fr) * 2008-05-12 2009-11-19 Papeles Y Cartones De Europa, S.A. Palette
US8470188B2 (en) 2008-10-02 2013-06-25 Molecular Imprints, Inc. Nano-imprint lithography templates

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