Modular Corrugated Crate with Interlocking Tabs
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Solution Overview
Problem
Existing shipping crates made from wood are expensive, difficult to break down, and not recyclable or reusable, while corrugated crating options are prone to degradation and failure during shipping, leading to waste and environmental issues due to their one-time use nature.
Innovation Solution
A modular, customizable crate system formed from laminated corrugated material with compressively fixated tabs and interlocking panels that can be easily assembled and disassembled, providing high crush strength and allowing for reuse of components, reducing waste and environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If corrugated materials are used for shipping crates, then cost and ease of manufacture are improved, but strength and reliability deteriorate due to degradation during shipping
Solution Approach 1:
The crate is divided into separate modular components (base, sides, ends, lid) that can be assembled from pre-fabricated corrugated panels. This segmentation allows each component to be optimized for strength while maintaining ease of manufacture through standardized panel production.
Solution Approach 2:
Multiple layers of corrugated material are laminated together with alternating flute orientations (vertical and horizontal layers). This dimensional arrangement creates a composite structure that significantly enhances crush strength and load-bearing capacity while maintaining the cost advantages of corrugated materials.
2Ease of manufacture
If corrugated crates are designed for one-time use, then manufacturing cost is reduced, but waste and environmental harm increase
Solution Approach 1:
The crate components are designed to be easily disassembled and reused for multiple shipping cycles. The modular construction with interlocking joints and reversible fastening methods enables recovery and reuse of all major components, dramatically reducing waste while maintaining cost-effective manufacturing.
Solution Approach 2:
The crate transitions from a static one-time-use structure to a dynamic reusable system. Components can be disassembled, repaired if needed, and reassembled for subsequent uses, creating a circular economy model that reduces waste while maintaining manufacturing efficiency.
3Strength
If corrugated panels are permanently fixated during assembly, then strength is improved, but reusability and ease of operation deteriorate
Solution Approach 1:
Joining elements such as tabs, slots, and interlocking features are pre-fabricated into the corrugated panels during manufacturing. This preliminary action creates strong structural connections upon assembly while maintaining the ability to disassemble and reuse components, resolving the conflict between strength and reusability.
4Strength
If adhesive is used to laminate corrugated sheets, then strength is improved, but recyclability and environmental compatibility deteriorate
Solution Approach 1:
Adhesives and other environmentally harmful bonding agents are removed from the lamination process. Instead, mechanical interlocking methods such as folded flutes, interlocking joints, and friction-fit connections are used to join corrugated layers, maintaining structural strength while eliminating harmful substances that interfere with recycling and composting.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The crate system offers durable, reusable, and customizable shipping solutions with enhanced crush strength, minimizing waste and environmental impact by allowing for multiple uses and easy disassembly, thus addressing the limitations of existing corrugated crating options.
Implementation Method 1
having a stackable compression strength exceeding one hundred times the weight of the assembled crate
Implementation Method 2
the fabrication mediums of corrugated materials are laminated, such that one layer is vertically disposed and the next layer is horizontally disposed thereby forming stacks of corrugated medium to increase the load bearing strength of the crate
Implementation Method 3
compressively fixated tabs and interlocking panels
Data Source
AI summary
The inventive crate has a bottom base, two opposing side panels, two opposing interlocking end panels, and a top cap. The bottom base having a length and width larger than the X-width and Y-length dimensions of the cargo to be shipped, the opposing side panels are coextensive to the Y-length of the cargo as fitting within the bottom base lip and a height matching the cargo's Z-height. The interlocking end panels have a side interlock with a width slightly less than the thickness of the side panel, and a corner tab. When assembled, each side panel at each end inserts against the side interlocks at each corner compressively securing with the folding over of each corner tab crushingly sandwiching the side panel between the slightly crushed corner tab and center section as held fast by the bottom lip. The top cap covers the upper portion of the assembled panels.