Edge Protection for Transported Glass Using Composite Foam
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Solution Overview
Problem
The transportation of sensitive edge goods, such as glass panes and natural stone slabs, faces significant damage risks due to edge sensitivity, leading to high transportation costs and inefficiencies, particularly in the construction industry where goods are not handled with care, and existing edge protection methods are either inadequate or overly costly.
Innovation Solution
A packaging solution utilizing flexible plastic foam as a compliant material combined with reinforcing materials, such as wooden battens or metal profiles, to absorb pressure and distribute force across the edges, providing enhanced protection and reducing the risk of damage during transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If glass panes are transported without special protection, then transportation costs are reduced, but edge damage occurs frequently (10-20% damage rate)
Solution Approach 1:
The patent applies edge protection only at the vulnerable edges of glass panes rather than protecting the entire surface. The protective element is positioned specifically at the edges where damage occurs, providing localized protection that reduces overall packaging complexity while maintaining effective edge safety.
Solution Approach 2:
The protective element combines different material properties: a flexible outer layer (plastic or rubber) that absorbs impact energy with an inner rigid core (wood, metal, or rigid plastic) that provides structural support. This composite structure effectively protects glass edges from both impact and bending forces.
2Stability of the object's composition
If rigid frames are used to transport glass upright, then glass stability is improved, but transportation costs increase due to specialized vehicles and round-trip logistics
Solution Approach 1:
The patent extracts the glass from the rigid frame structure and allows it to be transported in its natural flat state. Only the essential edge protection is retained, eliminating the need for complex rigid framing systems and specialized transportation infrastructure.
Solution Approach 2:
The edge protection is designed as a simple, inexpensive, single-use protective element that can be easily applied and removed. This disposable approach replaces expensive reusable rigid frames, reducing transportation costs while providing adequate protection for the shipping period.
3Object-affected harmful factors
If soft flexible material is used for edge protection, then edge sensitivity is reduced, but structural strength is insufficient
Solution Approach 1:
The protective element combines a flexible outer layer (plastic or rubber) that absorbs impact energy and reduces edge sensitivity with an inner rigid core (wood, metal, or rigid plastic) that provides structural support and resistance to bending forces.
Solution Approach 2:
Different regions of the protective element have different mechanical properties: the outer layer is soft and compliant to absorb impacts, while the inner core is rigid to provide structural support. This local differentiation of material properties allows the single component to fulfill both protective functions simultaneously.
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 proposed packaging design significantly reduces edge damage by absorbing and distributing pressure, allowing sensitive goods to withstand transport without major issues, even in rough handling conditions, while also minimizing transportation costs by optimizing load carrier efficiency.
Implementation Method 1
A packaging solution utilizing flexible plastic foam as a compliant material combined with reinforcing materials, such as wooden battens or metal profiles, to absorb pressure and distribute force across the edges
Data Source
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AI summary
According to the invention, edge-sensitive transported goods are provided with an edge protection that consists of at least one resilient layer and at least one reinforcement layer.