U-Shaped Cargo Container Panels for Structural Integrity
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Solution Overview
Problem
Cargo containers face challenges with weight reduction, structural weakness due to complex panel joints, and high maintenance costs due to the use of polymer materials and large, expensive manufacturing processes, which are not effectively addressed by existing designs.
Innovation Solution
A cargo container design utilizing U-shaped and/or L-shaped panels with internal support structures and non-uniform thickness for stress reinforcement, manufactured using continuous machinery that produces lightweight, easily replaceable panels with integrated structural voids and connectors for enhanced durability and aerodynamics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If polymer materials are used in lieu of metal components to reduce container weight, then weight is reduced, but the material may fracture and cannot be easily repaired
Solution Approach 1:
The container is divided into multiple panels rather than being constructed as a single large polymer piece. This segmentation allows individual panels to be replaced if fractured, minimizing material replacement while maintaining the overall container structure and achieving both weight reduction and improved repairability.
Solution Approach 2:
The patent applies different material properties to different parts of the container by using segmented panels that can be selectively replaced. High-stress areas can be reinforced locally while maintaining lightweight polymer construction in other areas, optimizing both durability and weight.
2Strength
If joint reinforcement is added to withstand compressive and tension loads, then structural strength is improved, but the total weight of the container increases
Solution Approach 1:
The joint reinforcement elements are integrated directly into the panel design rather than being added as separate external components. This merging approach provides the necessary structural strength while minimizing additional weight compared to traditional external reinforcement methods.
3Stability of the object's composition
If complex panel joints are used to connect container sections, then structural integrity is maintained, but the joints become structurally weak due to defective or improper assembly
Solution Approach 1:
The patent extracts the joint function from complex multi-material connections and simplifies it to integrated panel designs where joints are inherent to the panel structure rather than separate assembly components. This reduction in joint complexity eliminates defective assembly issues while maintaining structural integrity.
4Device complexity
If large polymer panels are manufactured to minimize panel数量, then manufacturing complexity is reduced, but expensive machinery is required and replacement is difficult
Solution Approach 1:
The container is segmented into multiple smaller panels rather than using large monolithic panels. This segmentation enables the use of smaller, less expensive manufacturing machinery while facilitating easier replacement of individual panels if damaged, directly addressing both manufacturing accessibility and maintenance ease.
5Ease of operation
If joints are located at the ends of panels to simplify assembly, then assembly is easier, but the greatest torque acts at the joint causing structural weakness
Solution Approach 1:
The patent employs asymmetric joint placement and panel design where joints are positioned to optimize structural performance rather than following symmetric end-to-end assembly patterns. This asymmetric configuration distributes torque more evenly across the structure, preventing concentration of stress at single joint locations while maintaining assembly feasibility.
Data Source
AI summary
A cargo container that includes a U-shaped panel, and/or an L-shaped panel is disclosed. The cargo container has a top, bottom, and two sides, each U-shaped and/or L-shaped panels forms part of the top and a side, or the bottom and a side. The cargo container may further include doors with hinges and/or doors that slide. Landing gear may support the container when not in transit. The U-shaped and/or L-shaped panels may be inhomogeneous in size and thickness to reinforce the areas of highest stress concentration such as the container edges or the attachment location of the landing gear. The cargo container may also have a bottom floor with a greater thickness than each of the significantly parallel sides, or a bottom floor with parallel or interconnected support protrusions. The U-shaped and/or L-shaped panels may include internal support structures. Also disclosed is a method of manufacturing U-shaped and/or L-shaped panels.