Reusable Packaging Box with EPP Impact Absorption
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Solution Overview
Problem
Conventional packaging boxes for large electronic products are disposable, leading to increased material costs and environmental waste, as they require separate buffering members for impact absorption and are designed for single-use purposes.
Innovation Solution
A reusable packaging box with an integrally formed interior and exterior, utilizing expanded polypropylene (EPP) for impact absorption and featuring a modular design with hinge structures and reinforcing members, allowing for folding and storage, and optionally incorporating air tubes or fabric blankets for enhanced protection and space efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a packaging box is manufactured to be disposable with separate buffering members, then product protection function is achieved, but material costs increase and environmental waste is caused
Solution Approach 1:
The patent merges the packaging box structure and buffering member into a single integrated component. The corrugated cardboard box itself forms the buffering structure through its fluted geometry, eliminating the need for separate buffering materials while maintaining product protection functionality.
Solution Approach 2:
The packaging box is designed to simultaneously serve multiple functions: structural containment, impact absorption, and protective cushioning. The integrated design allows the same component to perform both packaging and buffering roles, reducing material usage and waste.
2Ease of manufacture
If a packaging box is designed as disposable, then manufacturing simplicity is maintained, but additional handling costs and environmental contamination occur
Solution Approach 1:
The integration of buffering function into the box structure itself simplifies the overall system by reducing the number of components. This eliminates assembly steps for separate buffering members and reduces disposal handling requirements, thereby reducing environmental contamination and handling costs.
3Reliability
If separate buffering members are provided in the packaging box, then impact absorption function is achieved, but device complexity increases
Solution Approach 1:
The buffering function is merged into the box structure through the corrugated fluted geometry. The flutes themselves provide the impact absorption capability, eliminating the need for separate buffering members and reducing structural complexity.
Solution Approach 2:
The corrugated cardboard structure with its fluted geometry creates a porous-like structure that provides impact absorption. The air-filled flutes act as cushioning elements, providing energy absorption during impact while maintaining a simple integrated structure.
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 solution reduces material costs, enhances product protection, simplifies assembly, and minimizes waste by enabling repeated use and easy storage, while maintaining effective impact absorption and packaging functionality.
Implementation Method 1
each of the bottom unit, the upper body and the lower body, and the lid is formed of a material that absorbs an impact
Data Source
AI summary
The reusable packaging box includes a bottom unit that has a receiving space in which a product may be received, a lower body and an upper body that are provided to each have a box shape with open top and bottom to be coupled to a top of the bottom unit, and a lid that has a receiving space in which the product may be received and is coupled to the top of the upper body. Each of the bottom unit, the upper body and the lower body, and the lid is formed of a material that may absorb an impact and thus may perform both a function of absorbing an impact and a function of packaging an outside of the product.