EP0663882A1 - Palette en plastique - Google Patents

Palette en plastique

Info

Publication number
EP0663882A1
EP0663882A1 EP19930923882 EP93923882A EP0663882A1 EP 0663882 A1 EP0663882 A1 EP 0663882A1 EP 19930923882 EP19930923882 EP 19930923882 EP 93923882 A EP93923882 A EP 93923882A EP 0663882 A1 EP0663882 A1 EP 0663882A1
Authority
EP
European Patent Office
Prior art keywords
pallet
deck
openings
members
cross
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19930923882
Other languages
German (de)
English (en)
Inventor
Brandon L. Pigott
Schuyler F. Pigott
Peter S. Pigott
Maurice J. Pigott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/961,396 external-priority patent/US5343814A/en
Priority claimed from US29/007,372 external-priority patent/USD346681S/en
Priority claimed from US29/012,508 external-priority patent/USD347511S/en
Application filed by Individual filed Critical Individual
Publication of EP0663882A1 publication Critical patent/EP0663882A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
    • B65D19/001—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 a single element
    • B65D19/0012—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 a single element forming a continuous plane contact 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
    • B65D2519/00009—Materials
    • B65D2519/00014—Materials for the load supporting surface
    • B65D2519/00034—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00049—Materials for the base surface
    • B65D2519/00069—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00009—Materials
    • B65D2519/00084—Materials for the non-integral separating spacer
    • B65D2519/00104—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00288—Overall construction of the load supporting surface made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00303—Cell type, e.g. honeycomb
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00308—Overall construction of the load supporting surface grid type, e.g. perforated plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00318—Overall construction of the base surface made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
    • B65D2519/00333—Overall construction of the base surface shape of the contact surface of the base contact surface having a stringer-like shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00358—Cell type, e.g. honeycomb
    • 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
    • B65D2519/00363—Overall construction of the base surface grid type, e.g. perforated plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00368—Overall construction of the non-integral separating spacer
    • B65D2519/00373—Overall construction of the non-integral separating spacer whereby at least one spacer is made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00402—Integral, e.g. ribs
    • B65D2519/00407—Integral, e.g. ribs on the load supporting surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00398—Overall construction reinforcements
    • B65D2519/00402—Integral, e.g. ribs
    • B65D2519/00412—Integral, e.g. ribs 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
    • B65D2519/00736—Details
    • B65D2519/00776—Accessories for manipulating the pallet
    • B65D2519/00796—Guiding means for fork-lift
    • 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
    • B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D2565/38—Packaging materials of special type or form
    • B65D2565/381—Details of packaging materials of special type or form
    • B65D2565/384—Details of packaging materials of special type or form made of recycled material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Definitions

  • the present invention relates to pallets for storing and transporting goods, and more particu ⁇ larly to a pallet that comprises a unitary base and a unitary deck that are connected by a plurality of connectors.
  • the pallet can be easily assembled for supporting goods and easily disassembled for trans ⁇ portation and storage.
  • Palletized goods are maintained in a position above the flooring which can be very advantageous in areas where there is flooding or where the condition of the flooring is either rough or of concern.
  • Standard pallets are particularly useful in materials handling because forklift equipment can maneuver the pallets by inserting their forklift tines into channels pro ⁇ vided by the pallet.
  • pallets are con ⁇ structed of wood.
  • wooden pallets have provided advantages of economy, simplicity and durability, principally because of the lack of other suitable materials.
  • wooden pallets are extremely heavy and require costly hand labor in their fabrication.
  • Plastic pallets can easily be molded and are stronger and lighter in weight than wooden pallets. They can also now be made with recyclable materials. Furthermore, plastic pallets are more durable than wooden pallets.
  • a recent plastic pallet that is light in weight, durable, capable of supporting heavy loads and is easy to manufacture and have a minimum number of parts that are preferably interchangeable are disclosed in U.S. Serial No. 644,928 filed January 23, 1991, for a PLASTIC PALLET WITH DECK ASSEMBLY and in U.S. Patent No. 4,843,976 for a PLASTIC PALLET.
  • the pallets and connectors dis ⁇ closed in this patent and application have proven to be highly successful.
  • the pallet of the present invention was dveloped.
  • the present pallet is useful in material handling and designed for use with forklift equip- mnt.
  • the present invention comprises a pallet base for use in combination with a second pallet base or, preferably, a pallet deck and a plurality of connectors.
  • the pallet base is interconnected to the second pallet base or deck by the connectors.
  • the pallet base has two surfaces, namely an inner surface facing the interior of the assem- bled pallet and an outer surface facing outwardly from the assembled pallet.
  • the base includes a pair of substantially parallel side members, with a plurality of openings therein for receiving the connectors.
  • the side members are hooked-shaped in cross-section.
  • the concave surface of the side members is the outer surface.
  • It further includes a pair of substantially parallel end members that are substantially perpendicular to the side members and connected to the side members, with a plurality of openings therein for receiving the connectors.
  • the end members are also hooked-shaped in cross- section. Again, the concave surface of the end members is the outer surface.
  • a first cross mem ⁇ ber with a plurality of openings therein for receiving connectors, is disposed approximately halfway between the two end members and is connec ⁇ ted to the end members.
  • the first cross member is U-shaped in cross section with the concave surface thereof being the outer surface.
  • a second cross member without any openings therein for receiving the connectors, is disposed approximately halfway between the two side members and is connected to the side members.
  • the second cross member is also U-shaped in cross section with the concave surface being the outer surface.
  • the inner surface of the base has inner rein ⁇ forcement elements projecting therefrom that are a plurality of spaced apart transverse inner ribs.
  • the opposed outer surface has outer reinforcement elements projecting therefrom that are a plurality of spaced apart transverse outer ribs.
  • the pallet base further including a generally X-shaped outer rib wherein the first cross member intersects the second cross member and the side members include a generally V-shaped outer rib wherein the second cross member intersects thereto.
  • the openings are formed by sleeves at ⁇ tached to the end, side and first cross members by spokes with each sleeve having an outer recessed abutment for supporting a portion of the connector.
  • the pallet base also has a circular support wall projecting outwardly from the outer surface adja ⁇ cent each of the corner connector openings.
  • two pallet bases are disclosed for interconnecting with the pallet base by a plurality of connectors.
  • Each of the bases are generally rectangular and have a first side, an opposed second side, a first end and an opposed second end.
  • the bases further have a substantially planar outer surface with perimeter reinforcement means.
  • the perimeter reinforcement means including a perimeter end wall and at least one intermediate inclined end wall with the one inclined end wall having a drain therein.
  • the end perimeter reinforcement means includes a substantially verti ⁇ cal perimeter end wall and a first inclined end wall integral with a second inclined end wall.
  • the first inclined end wall includes a drain.
  • the side perimeter reinforcement means includes a substan ⁇ tially vertical perimeter side wall and a first inclined side wall integral with a second inclined side wall.
  • the first inclined side wall includes a drain.
  • Spaced and parallel intermediate side walls are integral with and bridge the perimeter end wall and the planar section of the outer surface, and spaced and parallel intermediate end walls are integral with and bridge the perimeter side wall and the planar section of the outer surface. Both the side and the end perimeter reinforcement means are hooked-shape in cross-section.
  • the end perimeter reinforcement means includes a substantially verti ⁇ cal first perimeter end wall and a substantially vertical second perimeter end wall connected by an integral inclined end wall.
  • the inclined end wall includes a drain.
  • the side perimeter reinforcement means includes a substantially verti ⁇ cal first perimeter side wall and a substantially vertical second perimeter side wall connected by an integral inclined end wall.
  • the inclined side wall includes a drain. Spaced and parallel inter- mediate side walls flush with the outer surface are integral with and bridge the first perimeter end wall and the second perimeter end wall, and spaced and parallel intermediate end walls flush with the outer surface are integral with and bridge the first perimeter side wall and the second perimeter side wall.
  • Both decks have an inner surface with a rein ⁇ forcement structure projecting outwardly therefrom.
  • the reinforcement structure includes a plurality of generally rectangular cells formed by a plurality of parallel end walls and a plurality of side walls. Most of the cells include apertures for drainage.
  • the two decks have a first row of openings adjacent the first side of the deck, a second row of openings adjacent the second side of the deck, and an intermediate row of openings parallel to and disposed between said first row and said second row of openings, all for receiving the connectors.
  • There is also a centrally located side wall generally bisecting the cells along the third row of openings.
  • the openings in the decks and the base are formed by sleeves attached by spokes, each said sleeve having an outer recessed abutment for sup- porting a portion of the connector. Adjacent the openings at the corners of the deck are circular side support walls.
  • the cells diagonally adjacent the openings at the corners of the deck include diagonal intermediate cross walls, diagonal intermediate cross walls and adjacent gussets.
  • the cells diagonally adja ⁇ cent the cells including diagonal intermediate cross members have four inclined cross walls.
  • select cells between the openings in the third row of openings include inclined cross walls.
  • the end wall adjacent the perimeter end wall has gussets attached thereto.
  • Second and third embodiments of the pallet are also shown.
  • Figure 1 is a top perspective view of a first embodiment of a plastic pallet made in accordance with the teachings of the present invention com- prised of a base, a deck and a plurality of connec ⁇ tors;
  • Figure 2 is a top plan view of the base of the pallet of Figure i;
  • Figure 3 is a bottom plan view of the base of Figure 2;
  • Figure 4 is a cross-sectional view along line 4-4 in Figure 2;
  • Figure 5 is a cross-sectional view along line 5-5 in Figure 2;
  • Figure 6 is a cross-sectional view along line 6-6 in Figure 2;
  • Figure 7 is a cross-sectional view along line 7-7 in Figure 3;
  • Figure 8 is a cross-sectional view along line 8-8 in Figure 3;
  • Figure 9 is a cross-sectional view along line 9-9 in Figure 2;
  • Figure 10 is a top plan view of a first em ⁇ bodiment of a deck of the pallet of Figure 1;
  • Figure 11 is a bottom plan view of the deck of
  • Figure 12 is a cross-sectional view along line 12-12 in Figure 11;
  • Figure 13 is a cross-sectional view along line 13-13 in Figure 11;
  • Figure 14 is a cross-sectional view along line 14-14 in Figure 11;
  • Figure 15 is a cross-sectional view along line 15-15 in Figure 11;
  • Figure 16 is a cross-sectional view along line 16-16 in Figure 11;
  • Figure 17 is a top plan view of a second embodiment of a deck of the pallet of Figure l;
  • Figure 18 is a bottom plan view of the deck of Figure 17;
  • Figure 19 is a cross-sectional view along line 19-19 in Figure 18;
  • Figure 20 is a cross-sectional view along line 20-20 in Figure 18;
  • Figure 21 is a cross-sectional view along line 21-21 in Figure 18
  • Figure 22 is a cross-sectional view along line 22-22 in Figure 18;
  • Figure 23 is a cross-sectional view along line 23-23 in Figure 18;
  • Figure 24 is a perspective top view of a second embodiment of a plastic pallet, comprised of a base, a deck and a plurality of connectors;
  • Figure 25 is a top plan view of the deck of the pallet of Figure 24;
  • Figure 26 is a right elevation view of the pallet of Figure 24 with the left, front and rear elevation views being the same;
  • Figure 27 is a bottom plan view of the base of the pallet of Figure 24;
  • Figure 28 is a perspective top view of a third embodiment of a plastic pallet, comprised of a base, a deck and a plurality of connectors;
  • Figure 29 is a top plan view of the deck of the pallet of Figure 28;
  • Figure 30 is a bottom plan view of the base of the pallet of Figure 28;
  • Figure 31 is a front elevation view of the pallet of Figure 28 with the rear elevation view being a mirror image thereof; and,
  • Figure 32 is a right elevation view of the pallet of Figure 28 with the left elevation view being a mirror image thereof.
  • Figure 1 of the drawings shows a plastic pallet, generally designated by reference numeral 10, having three primary components.
  • the compo ⁇ nents are a base 20, a deck 100 and a plurality of connectors 11.
  • the connectors 11 that interconnect the deck and base are specially designed so that the pallet can be assembled without the need for any specially designed tools.
  • the plastic pallet is designed such that the connectors can be snap fitted onto the decks.
  • the pallet incor ⁇ porates twelve (12) connectors 11. Both the deck and the base have openings which define surrounding abutments that are recessed below the exposed surface and the connectors have flexible tangs that have barbs which engage the abutments.
  • the pallet 10 has opposed sides 13 and opposed ends 14.
  • the connectors are shown positioned at the four corners of the base and deck members and between each of the corners along the ends 14 of the pallet as well as two rows between each of the corners along the sides 13 of the pallet.
  • the connectors 11 are positioned so that forklift tines can be inserted into side channels 15 and end channels 16 for lifting and moving the assembled pallet and the palletized goods.
  • the Base 20 of the present invention is used below the deck 100 and in use generally rests on the ground or floor. Because goods are not normally placed on the base 20, it is not a flat, continuous surface, rather it is much like a frame structure.
  • the base has two surfaces, namely an inner surface 21 and an outer surface 22.
  • the outer surface 22 is the surface that faces out from the pallet; specific ⁇ ally the surface that faces down and contacts the ground or floor when the pallet is constructed.
  • the inner surface 21 is the surface facing the inside of the pallet, i.e., the side that the connectors are attached to.
  • the inner surface 21 is shown in Figure 2 and the outer surface 22 is shown in Figure 3.
  • the base 20 is generally rectangular in shape. It has a first side 23, an opposed second side 24, a first end 25 and an opposed second end 26.
  • the base structure itself includes a pair of substan- tially parallel side members 31 with a plurality of openings 17 therein for receiving the connectors 11.
  • a pair of substantially parallel end members 32 that are substantially perpendicular to the side members and connected to the side members are provided.
  • the end mem ⁇ bers have a plurality of openings 17 therein for receiving the connectors 11.
  • a first cross member 33 with openings 17 for receiving the connectors 11 is disposed between the end members 32 and is connected to the end members.
  • a second cross member 33 with openings 17 for receiving the connectors 11 is disposed between the side members 31 and is connected to the side mem ⁇ bers.
  • Figure 6 there is shown cross section of an end member 32, which is similar to a side member 31.
  • the end members 32 like the side members 31, are hooked-shaped in cross-section.
  • the end member has a horizontal portion 34 which is integral with an upwardly and inwardly projecting portion 35, which, in turn, is connected to a second horizontal por ⁇ tion 36.
  • This second horizontal portion 36 is positioned above the first horizontal portion 34 adjacent the first end 25.
  • the second horizontal portion 36 terminates with a vertical portion 37. Accordingly, the concave surface formed by the upwardly and inwardly projecting portion 35, second horizontal portion 36 and vertical portion 37 of the end members 32 (and also side member 31) is the outer surface 22.
  • the inner surface 21 is contoured with inner reinforcement elements projecting outwardly there ⁇ from.
  • These inner reinforcement elements are a plurality of spaced, parallel transverse inner ribs 38 integral with the inner surfaces of the first horizontal portion 34, upwardly and inwardly pro ⁇ jecting portion 35 and the second horizontal por ⁇ tion 36.
  • the inner surface 38a of the transverse inner ribs 38 and act as guides or ramps for the forklift tines. Thus, if a tine hits the inclined surface, rather than pushing the pallet, it will slide along the incline to its proper position.
  • the opposed outer surface 22 is con- toured with outer reinforcement elements projecting therefrom.
  • outer reinforcement elements are a plurality of transverse outer ribs 39 that span the outer concave surface of the side or end mem ⁇ bers.
  • FIG 5 there is shown a cross- section of a second cross member 34.
  • the second cross member 34 like the first cross member 33, is U-shaped in cross section. In particular, at the sides it has horizontal portions 41 which are integral with upwardly and inwardly projecting portions 42 which, in turn, are connected to a second horizontal portion 43.
  • This second horizon ⁇ tal portion 43 is positioned above the first hori ⁇ zontal portions 41 adjacent the sides.
  • the concave surface formed by the upwardly and inwardly projecting portions 42 and second horizontal por ⁇ tion 43 is the outer surface 22.
  • the inner surface 21 of the cross members 33,34 are contoured with inner reinforcement ele- ments projecting outwardly therefrom that are spaced, parallel transverse inner ribs 38 integral with the inner surfaces of the first horizontal portion 41, upwardly and inwardly projecting por ⁇ tions 42 and second horizontal portion 43.
  • the opposed outer surface 22 is contoured with outer reinforcement elements projecting there ⁇ from that are transverse outer ribs 39 that span the outer concave surface of the cross members.
  • the side, end and cross members include webs 40 at the points of their joining one another for additional strength.
  • the outer surface 22, additional support ribs are provided.
  • the side members 31 include a generally V- shaped outer rib 44 at the junction of where the second cross member intersects the two side mem ⁇ bers.
  • the outer surface 22 includes a generally X-shaped outer rib 45 at the junction where the first cross member 33 intersects the second cross member 34.
  • Openings 17 for the connectors 11 are formed by sleeves and spokes built into the end, side and first cross member. In practice it has been found that twelve (12) openings are sufficient. There are, in fact three rows of openings, the first row of openings being in the first side member 23, the second row of openings being in the second side member 24, and the intermediate row, or third row, of openings being parallel to and disposed between the first row and the second row of openings in the first cross member 33. Each row has an opening at the ends (in the corners for the first and second rows and in the center of the end members 32,33 for the third row) and two intermediate openings. As clearly shown in Figures 2, 3 and 4, the base 20 has openings 17 that are adapted to receive tangs of the connectors.
  • the openings 17 are surrounded by outer recessed abutments 51 that are recessed below the plain of the adjacent outer surface 66 of the base.
  • the outer recessed abut- ments 51 are defined by an inner sleeves 52 which is connected by spokes 53 to an outer sleeve 54.
  • the outer sleeve 54 is connected by a second spoke 55 to a third sleeve 56 formed into the base.
  • the connectors can thus be snapped into the base, on the inner surface, by applying axial force to the connectors so that the barbs of the connectors will snap into position onto the outer recessed abutment 51. With this construction, the barbs will not extend out beyond the plain of the outer surface.
  • the pallet base has a circular support wall 57 projecting outwardly from the outer surface 22 adjacent each of the corner connector openings.
  • the base 20 is connected, via connectors, to a deck 100. It is the deck that the goods are placed on.
  • a deck 110 of the present invention.
  • the deck 110 has two surfaces, namely an inner surface 121 (Figure 11) and an outer surface 122 ( Figure 10) .
  • the outer surface 122 is the surface that faces out from the pallet; specif ⁇ ically it is the surface that faces up and contacts the goods being palletized.
  • the inner surface 121 is the surface facing the inside of the pallet, i.e., the side that the connectors are attached to.
  • the deck 110 is generally rectangular in shape.
  • the outer surface 122 is substantially planar and includes perimeter reinforcement means.
  • the end perimeter reinforcement means (Figure 13) includes a substantially vertical perimeter end wall 131 and a first inclined end wall 132 integral with a second inclined end wall 133.
  • the first inclined end wall 132 includes a drain 134.
  • Spaced and parallel intermediate side walls 135 are inte ⁇ gral with and bridge the perimeter end wall 131 and the planar section of the outer surface.
  • the side perimeter reinforcement means ( Figure 14) includes a substantially vertical perimeter side wall 141 and a first inclined side wall 142 integral with a second inclined side wall 143.
  • the first inclined side wall 142 includes a drain 144. Spaced and parallel intermediate end walls 145 are integral with and bridge the perime ⁇ ter side wall 141 and the planar section of the outer surface. Both the side and the end perimeter reinforcement means are hooked-shape in cross- section. The concave surface of the reinforcement means is the outer surface 122.
  • the first inclined end walls 132 and first inclined side walls 142 act as guides or ramps for the forklift tines. Thus, if a tine hits the inclined wall, rather than pushing the pallet, it will slide along the incline to its proper position.
  • the inner surface 121 of the deck has a rein ⁇ forcement structure that projects outwardly there ⁇ from.
  • This reinforcement structure includes a plurality of cells 151 formed by a plurality of parallel end walls 152 and a plurality of side walls 153.
  • the cells 151 are substantially rectan ⁇ gular and, apart from the perimeter cells 151a, the cells 151 are approximately the same size.
  • the matrix formed by these end walls 152 and side walls 153 is shown in Figure 11.
  • Most of the perimeter cells 151a include a second end wall 152a between the end walls 152 and a second side wall 153 ( Figure 13) a between the side walls 152.
  • Gussets 157 are further provided adjacent the second end walls 152a and second side walls 153a in the cells 151 adjacent the perimeter cells with the second walls.
  • the gussets 157 are perpendicular the end walls 152.
  • openings there are preferably twelve (12) openings in both the base and the deck for receiving the connectors.
  • the openings are designated with the reference number 111.
  • the deck 110 there is a first row of openings 112 adjacent the first side 123, a second row of open- ings 113 adjacent the second side 124 of the deck and an intermediate row of openings 114 parallel to and disposed between the first row 112 and the second row 113 of openings.
  • openings 111 in the base 110 for the connectors 11 are formed by sleeves and spokes built into the deck.
  • the deck has openings 111 that are adapted to receive tangs of the connectors.
  • the openings 111 are surrounded by outer recessed abutments 161 that are recessed below the plain of the adjacent outer surface 122 of the deck.
  • the outer recessed abut ⁇ ments 161 are defined by an inner sleeves 162 which is connected by spokes 163 to an outer sleeve 164.
  • the outer sleeve 164 is connected by a second spoke 165 tc a third sleeve 166 formed into the deck.
  • the connectors can thus be snapped into the deck, on the inner surface, by applying axial force to the connectors so that the barbs of the connectors will snap into position onto the outer recessed abutment 161. With this construction, the barbs will not extend out beyond the plain of the outer surface.
  • the base can be positioned as shown in Figure 1 and a force is applied to the outside surface of the deck to complete the assembly of the plastic pallet.
  • centrally located central side wall 154 generally bisecting the cells 151 along the third row of openings 114. Moreover, it should be noted that most of the cells 151 include aper ⁇ tures 155 for drainage and to reduce the amount of material used. To avoid the problem of having goods falling through the deck, the apertures are not large.
  • the pallet deck has a circular support wall 158 projecting outward ⁇ ly from the inner surface 121 adjacent each of the corner connector openings 111.
  • Spokes 158a project inwardly from the circular support wall 158 and terminate at a circular sleeve 158b.
  • the cells 151 diagonally adjacent said openings 111 at the cor ⁇ ners of the deck include a diagonal intermediate cross wall 171. These cells with the diagonal intermediate cross wall 171 further include an adjacent gusset 157 but do not include an aperture therein.
  • the cells 151 diagonally adjacent these cells with a diagonal intermediate cross member 171 include four inclined cross walls 172 projecting inwardly from the corners of the cell.
  • select cells 151 between the openings 111 in the third, center row of openings 114 also include inclined cross walls 173 project ⁇ ing inwardly from the corners of the cell.
  • Figures 11 and 15, show the perimeter rein ⁇ forcement structure and cells disposed between the two perimeter center openings ill.
  • the Second Deck A second deck embodiment is shown in
  • Figure 17 of the drawings shows the second deck 210 of the present invention.
  • the deck 210 has two surfaces, namely an inner surface 221 (Figure 18) and an outer surface 222 ( Figure 17) .
  • the outer surface 222 is the surface that faces out from the pallet, facing up and contacting the goods being palletized.
  • the inner surface 221 is the surface facing the inside of the pallet and the base, i.e., the side that the connectors are at- tached to.
  • the deck 210 is generally rectangular in shape. It has a first side 223, an opposed second side 224, a first end 225 and an opposed second end 226.
  • the outer surface 222 is substantially planar and also includes perimeter reinforcement means.
  • the end perimeter reinforcement means ( Figure 20) includes a substantially vertical first perimeter end wall 231 and a substantially vertical second perimeter end wall 232 connected by an integral inclined end wall 233.
  • the inclined end wall 233 includes a drain 234.
  • Spaced and parallel interme ⁇ diate side walls 235 flush with the outer surface 222 are integral with and bridge the first perime ⁇ ter end wall 231 and the second perimeter end wall 232.
  • the side perimeter reinforcement means ( Figure 23) includes a substantially vertical first perimeter side wall 241 and a substantially vertical second perimeter side wall 242 connected by an integral inclined end wall 243.
  • the inclined side wall 242 includes a drain 244.
  • Spaced and parallel intermediate end walls 245 flush with the outer surface 222 are integral with and bridge the first perimeter side wall 241 and the second peri ⁇ meter side wall 242.
  • the concave surface of the reinforcement means, or the cell formed by it, is the outer surface 222.
  • the inclined end walls 233 and inclined side walls 243 act as guides or ramps for the forklift tines.
  • the inner surface 121 of the deck has a rein- forcement structure that projects outwardly there ⁇ from.
  • This reinforcement structure includes a plurality of cells 251 formed by a plurality of parallel end walls 252 and a plurality of side walls 253.
  • the cells 251 are substantially rectan- gular and, apart from the perimeter cells 251a, the cells 251 are approximately the same size.
  • the matrix formed by these end walls 252 and side walls 253 is shown in Figure 18.
  • openings 211 for receiv- ing the connectors.
  • the deck 210 like the first embodiment 110, there is a first row of openings 212 adjacent the first side 223, a second row of openings 213 adjacent the second side 224 of the deck and an intermediate row of openings 214 parallel to and disposed between the first row 212 and the second row 213 of openings.
  • Openings ill in the base 210 for the connec ⁇ tors 11 are formed by sleeves and spokes built into the deck. Shown in Figure 19, the deck has open- ings 211 that are adapted to receive tangs of the connectors.
  • the openings 211 are surrounded by outer recessed abutments 261 that are recessed below the plain of the adjacent outer surface 222 of the deck.
  • the outer recessed abutments 261 are defined by an inner sleeves 262 which is connected by spokes 263 to an outer sleeve 264.
  • the outer sleeve 264 is connected by a second spoke 265 to a third sleeve 266 formed into the deck.
  • the connec ⁇ tors can thus be snapped into the deck, on the inner surface, by applying axial force to the connectors so that the barbs of the connectors will snap into position onto the outer recessed abutment 261. With this construction, the barbs will not extend out beyond the plain of the outer surface.
  • the base can be positioned as shown in Figure 1 and a force is applied to the outside surface of the deck to complete the assembly of the plastic pallet.
  • a centrally located central side wall 254 generally bisecting the cells 251 along the third row of openings 214.
  • the pallet deck has a circular support wall 258 projecting outward ⁇ ly from the inner surface 221 adjacent each of the corner connector openings 211. Spokes 258a project inwardly from the circular support wall 258 and terminate at a circular sleeve 258b. On the oppo ⁇ site surface, namely the outer surface 222, of the circular support wall 258, spokes 258a and sleeve 258, there is a circular recess for receiving rubber pads 259 ( Figure 17) .
  • a second embodiment of the plastic pallet 310 is shown in Figures 24-27. This second embodiment 310 also includes a base 320 and a deck 300 and is held together by a plurality of connectors 11.
  • a third embodiment of the plastic pallet 410 is shown in Figures 28-32 and includes a base 420 and a deck 400. It, too, is held together by a plurality of connectors 11.
  • the two pallet components namely the base and the deck, are preferably injection molded from recycled material, such as polypropylene or similar thermoplastic material. Additionally, a pigment may be added to provide color combinations to suit the customer's needs.
  • the intricate design of the connectors has several distinct advantages.
  • the design is such that all external forces are transmitted to the center of the core, which will withstand the grea- test force without destruction.
  • the connectors are configured so that they are formed as one piece in a single stage mold to reduce the cost. Since the connectors and the decks are preferably injection molded from recycled plastic, the costs are further reduced.
  • Another significant advantage of the plastic pallet is that the connectors can easily be sepa ⁇ rated should one the connectors become damaged. This can be accomplished by the owner without return of the pallet assembly to the manufacturer.

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

Abstract

Palette en plastique (10) qui comporte une base (20) généralement rectangulaire, un plateau (100) généralement rectangulaire et une pluralité d'attaches (11) reliant la base et le plateau. La base (20) est pourvue d'une paire d'éléments latéraux (31), d'une paire d'éléments terminaux (32) et d'une paire d'éléments transversaux (33, 34). Le plateau (110, 210) est généralement rectangulaire et possède une surface externe plane (122, 222) dotée de dispositifs de renforcement sur son périmètre et une surface interne (121, 221) pourvue d'une structure de renforcement faisant saillie vers l'extérieur à partir de ladite surface.
EP19930923882 1992-10-15 1993-10-14 Palette en plastique Withdrawn EP0663882A1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US07/961,396 US5343814A (en) 1988-08-09 1992-10-15 Plastic pallet assembly
US961396 1992-10-15
US29/007,372 USD346681S (en) 1993-04-21 1993-04-21 Two part interlocking plastic pallet
US7372 1993-04-21
US29/012,508 USD347511S (en) 1993-09-02 1993-09-02 Two part interlocking plastic pallet assembly
US12508 1993-09-02
PCT/US1993/009818 WO1994008861A1 (fr) 1992-10-15 1993-10-14 Palette en plastique

Publications (1)

Publication Number Publication Date
EP0663882A1 true EP0663882A1 (fr) 1995-07-26

Family

ID=27358352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930923882 Withdrawn EP0663882A1 (fr) 1992-10-15 1993-10-14 Palette en plastique

Country Status (5)

Country Link
EP (1) EP0663882A1 (fr)
JP (1) JPH08502463A (fr)
AU (1) AU677253B2 (fr)
CA (1) CA2147890A1 (fr)
WO (1) WO1994008861A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6006677A (en) 1998-01-08 1999-12-28 Rehrig Pacific Company, Inc. Plastic pallet
WO1999062779A1 (fr) * 1998-05-29 1999-12-09 General Electric Company Palette thermoplastique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239532B2 (fr) * 1974-01-24 1977-10-05
NL7408025A (nl) * 1974-06-17 1975-12-19 Houtindustrie De Phoenix B V Pallet uit kunststofmateriaal.
FR2486029A1 (fr) * 1980-07-07 1982-01-08 Allibert Exploitation Palette de chargement en matiere plastique
FR2590870B1 (fr) * 1985-12-04 1988-06-24 Allibert Sa Palette de chargement renforcee et procede de renforcement d'une telle palette
US4843976A (en) * 1988-08-09 1989-07-04 Pigott Maurice J Plastic pallet
US5097951A (en) * 1990-10-16 1992-03-24 Nucon Corporation Unit load assembly for spools
US5197396A (en) * 1991-08-05 1993-03-30 Penda Corporation Double deck plastic pallet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9408861A1 *

Also Published As

Publication number Publication date
AU677253B2 (en) 1997-04-17
WO1994008861A1 (fr) 1994-04-28
CA2147890A1 (fr) 1994-04-28
AU5360194A (en) 1994-05-09
JPH08502463A (ja) 1996-03-19

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