Molded Pulp Cushioning Structure for Smaller Shipping Boxes
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Solution Overview
Problem
Molded pulp cushioning materials with high protruding portions require larger outer boxes, reducing transportation efficiency.
Innovation Solution
A molded pulp cushioning material design with specific arrangements of support protruding portions on walls, allowing for a reduced height while maintaining effective shock absorption performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the height of the protruding portions is increased to provide sufficient cushioning function, then the cushioning performance is improved, but the size of the outer box needs to be increased accordingly, leading to a decrease in transportation efficiency
Solution Approach 1:
The cushioning material is divided into multiple walls (first wall, second wall, third walls) with distributed support protruding portions. Instead of relying on a single tall protruding structure, the cushioning function is segmented across multiple smaller protruding portions arranged on different walls, achieving sufficient protection with reduced individual height and overall box size.
Solution Approach 2:
The support protruding portions are arranged in multiple spatial dimensions - the first support protruding portions are lined up in both the second direction and third direction, creating a multi-dimensional support network. This dimensional distribution allows the cushioning material to provide adequate protection without requiring excessive height in any single direction, optimizing box space utilization.
2Reliability
If the protruding portions are arranged densely to improve cushioning coverage, then the cushioning function is enhanced, but the device complexity increases
Solution Approach 1:
Different walls have different arrangements of support protruding portions tailored to their specific functions and positions. The first wall has protruding portions lined up in two directions for comprehensive support, while the second wall has protruding portions lined up in one direction. This localized optimization provides effective cushioning coverage without uniformly increasing complexity across the entire structure.
Data Source
AI summary
Provided is a molded pulp cushioning material that allows at least a part of an accommodation target object having a first outer surface, two second outer surfaces, and two third outer surfaces to fit in a first direction and that includes a first wall and a second wall. First support protruding portions protruding in the first direction are formed on the first wall. Second support protruding portions are formed on the second wall. The first support protruding portions are lined up in the second direction and in the third direction. The second support protruding portions are lined up in the third direction. A distance between the two first support protruding portions adjacent to each other in the second direction and a distance between the two first support protruding portions adjacent to each other in the third direction are smaller than a distance between the two adjacent second support protruding portions.