Biofoam Tray and Paperboard Sealed Package
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Solution Overview
Problem
Conventional blister packages rely on thermoformed plastic, which is not sustainable, and there is a need for an eco-friendly alternative that maintains security and functionality.
Innovation Solution
A sustainable sealed package comprising a biofoam molded tray with a circumferential flange and a paperboard structure featuring a heat sealing layer, where the paperboard structure is sealed to the biofoam tray using a heat sealing layer made from renewable resources, such as biopolymers and cellulose fibers, ensuring a secure and environmentally friendly packaging solution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional thermoformed plastic is used for blister packages, then security and functionality are maintained, but sustainability is compromised
Solution Approach 1:
The invention uses a composite structure combining biofoam molded tray (made from renewable resources like starch or cellulose) with a paperboard structure featuring a heat sealing layer. This composite material approach maintains the security and functionality of traditional blister packages while replacing conventional thermoformed plastic with sustainable materials that have reduced environmental impact.
2Object-generated harmful factors
If biofoam molded tray with paperboard structure is used, then sustainability is improved, but manufacturing complexity increases
Solution Approach 1:
The invention employs heat sealing as a manufacturing technique to join the paperboard structure to the biofoam molded tray. By controlling temperature parameters during the sealing process, the patent achieves reliable bonding between components while maintaining a relatively simple manufacturing process. The heat sealing layer's properties are optimized to bond effectively with the biofoam material at controlled temperatures.
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 provides a sustainable packaging option by utilizing renewable materials, reducing environmental impact while maintaining the security and functionality of traditional blister packages, with the biofoam tray and paperboard structure forming a secure and durable sealed package.
Implementation Method 1
contacting a heat sealing layer of a paperboard structure with a circumferential flange of a biofoam molded tray and heating the heat sealing layer
Data Source
AI summary
A sustainable sealed package includes a biofoam molded tray and a paperboard substrate. The biofoam molded tray includes a circumferential flange defining an opening to an interior cavity of the biofoam molded tray. A heat sealing layer is on a first major side of a paperboard substrate. The heat sealing layer is sealed to the circumferential flange of the biofoam molded tray.