Expandable Packaging Material with Cut-Patterned Layers
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Solution Overview
Problem
Current packaging materials are not recyclable, are often bulky, and require additional non-recyclable materials for protection, leading to increased shipping costs and environmental impact, with cardboard packaging being inadequate for shape conformity and protection.
Innovation Solution
A laminated packaging material with expandable layers, comprising a substrate layer and a cut-patterned layer, which can be expanded to provide structural strength and conform to the shape of the item, eliminating the need for additional fillers and reducing material consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If traditional cardboard packaging is used, then recyclability is improved, but protection strength and shape conformity are insufficient
Solution Approach 1:
The packaging material combines multiple layers including a substrate layer, cut-patterned layer, and adhesive layer to create a composite structure that provides both protection strength and shape conformity while maintaining recyclability. The substrate layer offers structural support, the cut-patterned layer provides cushioning and shape adaptation, and the adhesive layer bonds them together.
Solution Approach 2:
The cut-patterned layer features localized structural variations with different densities and configurations in different regions, allowing the packaging to provide enhanced protection where needed while maintaining overall recyclability. The pattern cutting creates areas of varying stiffness and cushioning properties.
2Strength
If additional protective materials like foam pellets or plastic air pouches are added, then protection is improved, but recyclability and environmental impact worsen
Solution Approach 1:
The invention merges the protective cushioning function with the packaging structure itself by integrating the cut-patterned layer directly into the packaging material. This eliminates the need for separate protective fillers like foam pellets or plastic air pouches, as the cut-patterned layer provides both structural support and cushioning in a single integrated component.
Solution Approach 2:
The adhesive layer's properties are optimized to provide sufficient bonding strength to hold the cut-patterned layer to the substrate layer during shipping, while remaining compatible with recycling processes. The adhesive parameters are adjusted to balance protection requirements with environmental considerations.
3Strength
If preformed boxed packaging is used, then protection is improved, but flexibility and adaptability to different item shapes worsen
Solution Approach 1:
The packaging material transitions from a rigid preformed box to a dynamic, adaptable structure where the cut-patterned layer can flex and conform to different item shapes. The pattern cutting creates a flexible yet protective structure that adapts to various product geometries while maintaining protection during shipping.
Data Source
AI summary
A packaging material including one or more expandable layers that provide protection to contents of a packaging enclosure formed with the packaging material. The packaging material includes at least a first layer and a second layer bonded to one another. The first layer is pulled or extended in a first direction that is effective to cause the second layer to expand in a second direction. The second layer is a cut-patterned layer which increases in thickness and provides structural strength to the packaging material when expanded.