EP4501805A2 - Stapelbare transportstruktur aus geformtem kunststoff für ev-batteriepacks - Google Patents

Stapelbare transportstruktur aus geformtem kunststoff für ev-batteriepacks Download PDF

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Publication number
EP4501805A2
EP4501805A2 EP24182996.9A EP24182996A EP4501805A2 EP 4501805 A2 EP4501805 A2 EP 4501805A2 EP 24182996 A EP24182996 A EP 24182996A EP 4501805 A2 EP4501805 A2 EP 4501805A2
Authority
EP
European Patent Office
Prior art keywords
posts
structures
aligned
cargo
stacked
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.)
Pending
Application number
EP24182996.9A
Other languages
English (en)
French (fr)
Other versions
EP4501805A3 (de
Inventor
Jeffrey A. Kujawa
Jeffrey C. Jurcak
Kevin T. Smith
Vincent K. Koczara
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.)
Shuert Technologies LLC
Shuert Tech LLC
Original Assignee
Shuert Technologies LLC
Shuert Tech LLC
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 Shuert Technologies LLC, Shuert Tech LLC filed Critical Shuert Technologies LLC
Publication of EP4501805A2 publication Critical patent/EP4501805A2/de
Publication of EP4501805A3 publication Critical patent/EP4501805A3/de
Pending legal-status Critical Current

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    • 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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/0004—Rigid pallets without side walls
    • B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
    • B65D19/003—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B65D19/0032—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element
    • B65D19/0036—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element forming discontinuous or non-planar contact surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • B65D19/385—Frames, corner posts or pallet converters, e.g. for facilitating stacking of charged pallets
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00263—Overall construction of the pallet
    • B65D2519/00273—Overall construction of the pallet made of more than one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00283—Overall construction of the load supporting surface
    • B65D2519/00288—Overall construction of the load supporting surface made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00258—Overall construction
    • B65D2519/00313—Overall construction of the base surface
    • B65D2519/00323—Overall construction of the base surface made of more than one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • 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
    • B65D2519/00402—Integral, e.g. ribs
    • 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
    • B65D2519/00437—Non-integral, e.g. inserts 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
    • B65D2519/00542—Overall construction of the corner posts
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
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    • B65D2519/00671—Connections structures connecting corner posts to the pallet
    • B65D2519/00701—Structures not intended to be disassembled
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    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
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    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/86—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form for electrical components
    • B65D2585/88—Batteries

Definitions

  • This document describes a stackable molded plastic shipping structure particularly useful for the shipment of EV battery packs and similarly configured loads.
  • Shipping structures such as pallets are commonly made of durable plastic so that they can be reused for multiple transits between a loading point and a use destination and back again.
  • the structures may be loaded with goods to be shipped and sent by truck or rail to a use destination. Thereafter the structures are sent back empty to the loading point.
  • the structure here described includes a pallet like body made in part of a durable plastic and structured for repeated use.
  • the body is intended for EV battery packs but the innovative principles described herein can be used for many other types of goods.
  • the bodies are molded in such a way as to provide a cargo bed that may be of rectangular configuration.
  • the bodies are provided with upwardly-extending spacer posts, typically made of steel, that fit into overlying bodies in two different ways.
  • the specific stacking feature here disclosed allows the loaded bodies to be stacked in aligned and vertically spaced apart configuration for loaded transit to a use destination after which the empty bodies can be stacked in a staggered and lowered height configuration thereby reducing the overall volume of the stacked arrangement for return shipment and/or storage.
  • the bodies use peripherally located raised corner structures that receive vertically extending posts that allow for stacking the bodies both in aligned and staggered orientations without need for removing the posts and packaging them separately for handling and transit.
  • the pallet bodies are rectangular and posts are provided with flanges, one of which is located at the bottom of a post and another located substantially midway between the top and bottom.
  • the bottom flanges are preferably attached with backing plates and screws to bottom surfaces of the molded shipping structures and the midway flanges are attached, again with backing plates and screws, to the interior surfaces of the raised plastic corner structures so that the posts extend upwardly through the tops of the raised corners structures by a distance that provides the desired stacking height of the bodies in the aligned configuration.
  • the bottom flanges are provided with socket like features that receive the top ends of posts in structures below in the aligned arrangement.
  • the molded plastic structures are also provided with holes that are offset from the corner structures so that two or more structures can be stacked in mutually contacting and non-aligned configuration thereby reducing the height and volume of the stacked bodies for return/empty transit or storage.
  • FIG. 1 shows a representative structure to comprise a three dimensional generally rectangular pallet type body 10 molded of high-density polyethylene (HDPE) having a generally flat top cargo bed surface 12 bounded by shallow side rails 14 and end rails 16, all of which have forklift openings 18 with integral bottom straps 20.
  • Dimensions for a representative embodiment are about 125 by 80 by 6 inches but can vary with the application and desired load.
  • bodies 10 are also referred to as "pallets”.
  • Hollow cargo locator/retainer bosses 22 are molded into the top surface 12 adjacent the side edges. Walled recesses 24 and 25 with floors are formed into the top surface 12 at strategic locations to provide rigidity. Recesses 25 are cup shaped. Adjacent the recesses on a short are holes 41 to allow a post 28 from a lower pallet to extend through when the pallets are stacked in a staggered, non-aligned condition. Integral raised corner structures 26 are molded into body at each of the four corners and rise above the surface 12 from about 8 inches to provide peripheral mounting locations for steel stacking posts 28 shown in detail in FIGS. 2 , 6 and 7 . The posts 28 provide the stacking features shown in FIGS. 4 and 5 as described below.
  • Each post 28 includes a solid cylindrical steel pin 30 with an integral flange 32 midway along the length of the post pin so as to underlie the inner top surface of a corner structure 26 when the post is fully installed in a hole in structure 26.
  • a steel backing plate 35 is placed against the top surface of each structure 26 with screw holes in alignment with screw holes in the flanges 32 to accept screw fasteners that securely join the sandwiched structures together.
  • An integral L-shaped bottom flange 34 on each pin 28 has wing portions that extend out at 90 degrees from one another so as to underly the floors of cylindrical recesses 25 in the molded pallet structure located adjacent each side of each corner structure 26 of the rectangular structure.
  • Metal plates 40 are placed on the upper inside surfaces of the depressions with screw holes aligned with screw holes in the flanges 34 to create a sandwich structure that secures the flanges 34 of the posts 28 to the molded pallet structure.
  • the posts 28 can be of any length need to achieve the stacking height desired; examples are from 6 to 16 inches in overall length.
  • FIG. 3 shows an EV battery pack assembly 36 resting on the top surface of structure 10. While this description and the currently intended use is for EV battery structures, it is to be understood that the inventions may be used to carry and ship any suitably shaped product or assembly of products that generally conform to the illustration of FIG. 2 .
  • FIG. 4 shows two structures, 10A and 10B stacked in an "aligned" configuration by means of the corner posts 28.
  • aligned we mean that the structure 10 B is directly over the structure 10 A so that the stacked structures have a common footprint and the top ends of the posts on the lower structure fit into the sockets 37 in the flanges 34 on the bottoms of the posts 26 in the uppermost structure 10 in the stack.
  • staggered means that the stacked structures are not vertically aligned but are offset sideways from one another as shown in FIG. 5 .
  • the pallets 10 are offset along the direction of the shorter sides of the pallets and every other pallet is offset in a direction opposite to the offset of the pallets immediately above and below it. And there are only two posts extending up from an underlying pallet that go through the holes 41 in the pallet above. In this fashion the stagger is not cumulative.
  • FIG 7 shows the pallets stacked in the aligned configuration wherein the tops of the posts 28 in the lowermost pallet fit into the sockets 37 in the base flanges 34 of the posts 28 in the uppermost pallet structure 10.
  • holes 41 formed in a side surface of the cup-shaped recesses 25 on a short side of a pallet 10 allow two or more pallets to be stacked in top-to-bottom contacting and offset or "staggered" condition when empty. In this condition the tops of the corner structures 26 of the lower pallet 10 are contacted by the bottoms of the uppermost pallet 10. While the stagger is shown only along the short sides of the pallets, the holes may be relocated along the longer sides to achieve a stagger along the long sides if desired.
  • the durability of the HDPE structures is such that they are "recycled”; i.e., sent back empty from a battery unloading and/or installation location (for example) to the battery loading/shipping point where the battery packs are placed on the pallets and the pallets are stacked.
  • they are assembled together in offset and "staggered” relationship such that the tops of the posts 28 in a lower structure do not line up with or go through the holes or sockets 37 in the post structures immediately above. Instead, two of the lower post pins extend through offset holes 41 in the plastic bodies in the cylindrical recesses 25 thereby allowing the bottom of each upper structure to come to rest directly on the top of the corner structure 26 of the body 10 immediately below.
  • the offsets are preferably staggered alternately as shown in FIG. 5 so that the offsets are not cumulative, but, rather, alternating as between each set of two stacked bodies.
  • the pallet body 10 can be manufactured by thermoforming pliable sheet HDPE material in a press assembly including upper and lower dies with conjugal surface features that form the various plastics parts and contours of the shipper body when the dies are installed in a press and brought together in alignment.
  • the forklift openings are cut into the structure after it is taken from the forming dies.
  • the floors of the molded-in recesses 24 and 25 add surface area to the bottom of the body 10.
  • An exemplary body with attached posts and a plastic thickness or "gauge" of about .300 can weigh about 200 lbs and is capable of supporting a battery pack/assembly of about 1700 lbs.
  • the pallets can be reinforced with steel in various locations such as the pallet bottom surface wherein, for example, a steel plate is trapped between layers of molded plastic in a so-called twin sheet structure. All dimensions given herein are for example only as the size and load capacity of the structure can vary over a wide range
  • the posts 26 can be on the order of 16 inches but this dimension can vary with the application.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)
  • Pallets (AREA)
  • Battery Mounting, Suspending (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
EP24182996.9A 2023-08-03 2024-06-19 Stapelbare transportstruktur aus geformtem kunststoff für ev-batteriepacks Pending EP4501805A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363530604P 2023-08-03 2023-08-03
US18/664,667 US20250042609A1 (en) 2023-08-03 2024-05-15 Molded Plastic Stackable Shiping Structure For EV Battery Packs

Publications (2)

Publication Number Publication Date
EP4501805A2 true EP4501805A2 (de) 2025-02-05
EP4501805A3 EP4501805A3 (de) 2025-04-16

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US (1) US20250042609A1 (de)
EP (1) EP4501805A3 (de)
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US20250361974A1 (en) * 2024-05-22 2025-11-27 Origen RV Accessories, Ltd. Modular load pads and methods of use

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MX2024009630A (es) 2025-05-02
CA3240569A1 (en) 2025-06-10
EP4501805A3 (de) 2025-04-16
US20250042609A1 (en) 2025-02-06

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