Paper Overwrap Tensioning and Adhesive Seam Sealing
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Solution Overview
Problem
Current packaging methods using plastic film materials are non-renewable and difficult to recycle, while securing paper overwrap around packages is challenging due to the difficulty in maintaining tension and sealing effectively.
Innovation Solution
A device that includes an adhesive application system to tension and seal a paper overwrap around a package by lifting, tensioning, and retracting the paper overwrap ends to apply adhesive, ensuring a secure and recyclable packaging solution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If plastic film is used for wrapping packages, then the wrapping process is simple and effective, but the material is non-renewable and difficult to recycle
Solution Approach 1:
The invention changes the material parameter from plastic film to paper material, transforming the wrapping material's composition while maintaining the wrapping function. This parameter change enables recyclability and environmental compatibility without completely abandoning the wrapping process effectiveness.
Solution Approach 2:
The invention uses composite construction with an inner wrap layer and an outer wrap layer, where each layer can be made from different paper materials optimized for their specific functions. The inner wrap provides direct contact with goods while the outer wrap provides structural support and tension maintenance.
2Object-affected harmful factors
If paper overwrap is used instead of plastic film, then the material is recyclable and environmentally friendly, but it is difficult to maintain tension and seal effectively
Solution Approach 1:
The invention divides the wrapping system into multiple functional segments: an inner wrap layer for basic coverage, an outer wrap layer for tension maintenance, adhesive application mechanisms, and sealing components. Each segment performs a specific function to collectively solve the tension and sealing challenges of paper wrapping.
Solution Approach 2:
The invention introduces adhesive as an intermediary substance between the paper overwrap and the package surface. This adhesive mediator enables effective bonding and sealing of paper material, which inherently lacks the self-sealing properties of plastic film, thereby ensuring reliable tension maintenance and seal effectiveness.
3Reliability
If adhesive application system is added to maintain tension and seal paper overwrap, then sealing effectiveness improves, but device complexity increases
Solution Approach 1:
The adhesive application system is designed to perform multiple functions: applying adhesive to the paper overwrap, maintaining tension during the process, and enabling sealing. By combining these functions into a single integrated system, the invention reduces overall device complexity while maintaining sealing effectiveness.
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 device effectively secures paper overwrap around packages, maintaining tension and ensuring the contents remain in place, while being environmentally friendly by using recyclable materials.
Implementation Method 1
The adhesive application system is configured to apply adhesive to the paper overwrap ends to seal them together around the package
Data Source
AI summary
A device adapted to seal a paper overwrap around a package includes a stationary support frame, a conveyor mounted to the support frame, and an adhesive application device mounted to the stationary support frame. The conveyor is configured to transport the package wrapped in the paper overwrap in a conveyor direction through the support frame. The adhesive application device is configured to tension the paper overwrap, while opening the seam so that an adhesive may be applied to the bottom of the package and the seam sealed together.