Snap-Fit Tray Packaging for Heavy-Item Stacking and Side Access
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Solution Overview
Problem
Packaging elements for heavy items face challenges due to differing access and loading locations, requiring additional structural elements and assembly, especially when stacking is involved.
Innovation Solution
A packaging assembly comprising a tray formed from a blank with interconnected panels and support assemblies, secured by snaps, which can be covered by a sleeve for stability, allowing for top loading and side unloading, and enabling secure stacking without additional fasteners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If additional structural elements are added to support heavy items, then the strength and stability of packaging is improved, but the device complexity and assembly requirements increase
Solution Approach 1:
The packaging is divided into modular components: a base tray with integrated support assemblies, separate end panels, and a sleeve. Each component is independently formed and then assembled through simple snap-fit connections, eliminating the need for complex fastening systems while maintaining structural integrity for heavy items.
Solution Approach 2:
The support assemblies are integrated directly into the base tray as a unified component rather than separate elements. The end panels combine multiple functions: they close the tray, provide stacking surfaces, and include integrated support structures. This merging reduces the total number of parts and assembly steps while achieving the required strength.
2Ease of operation
If access location is different from loading location, then the ease of operation is improved, but additional structural elements are required
Solution Approach 1:
The end panels are designed to be removable from the base tray through snap-fit connections, allowing the packaging to dynamically change configuration. During loading, panels remain attached for structural support; during unloading, panels can be removed to provide access from the end, separating the loading and access locations without requiring permanent additional structures.
3Productivity
If stacking of packaging elements is required, then the productivity is improved, but additional structural elements and assembly are needed
Solution Approach 1:
The support assemblies serve multiple functions: they provide structural support for heavy items during transport, create stacking surfaces for stable stacking of multiple trays, and serve as attachment points for the end panels. The sleeve also provides both protection and a stacking surface. This multi-functionality achieves stacking capability without requiring separate dedicated stacking structures.
Data Source
AI summary
A tray formed from a blank includes a bottom panel, a first side panel connected to the bottom panel, a second side panel connected to the bottom panel, at least one support connected to the first side panel, at least one support assembly connected to the second side panel, at least one end panel connected to the bottom panel, and each end panel secured to two support assemblies.