Embossed Paper Packaging Structure for Plastic-Free Cushioning
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Solution Overview
Problem
Plastic bubble wrap is not effectively recycled and contributes significantly to environmental pollution due to its non-biodegradability and the difficulty in reusing it, leading to substantial waste accumulation and ecosystem harm.
Innovation Solution
A device that produces packaging material from paper by embossing and pressing two paper webs together without adhesives or synthetic additives, forming closed cavities for cushioning, using preconditioning methods like steam and cellulose fibers to enhance bonding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If plastic bubble wrap is used for cushioning packaging, then effective cushioning protection is achieved, but environmental pollution increases due to non-biodegradability and waste accumulation
Solution Approach 1:
The patent changes the material parameter from plastic to paper, transforming the packaging material's fundamental properties. The paper-based structure with embossed features provides comparable cushioning while being biodegradable and recyclable, thus eliminating the environmental pollution issue associated with non-biodegradable plastic waste
Solution Approach 2:
The patent creates a composite paper structure combining multiple paper layers with embossed features and adhesive bonding. This composite construction achieves the necessary mechanical properties for cushioning protection while maintaining the environmental benefits of paper materials, including biodegradability and recyclability
2Reliability
If plastic bubble wrap is disposed of after single use, then cushioning function is maintained, but substantial waste accumulation occurs leading to ecosystem harm
Solution Approach 1:
The patent enables recovery and reuse of packaging materials through its design. The paper-based structure with adhesive bonding allows for easy collection, sorting, and recycling of used packaging, transforming the waste management approach from single-use disposal to material recovery and循环利用
Solution Approach 2:
The patent replaces expensive plastic materials with cost-effective paper materials that can be easily disposed of or recycled. The paper-based packaging maintains adequate cushioning function while being more economical and environmentally friendly, aligning with the principle of using affordable, short-living materials that can be readily replaced
3Object-generated harmful factors
If paper webs are pressed together without adhesives or synthetic additives, then recyclability is improved, but bonding strength between layers decreases
Solution Approach 1:
The patent extracts and eliminates synthetic additives and adhesives from the packaging material composition. By using only natural paper materials and their inherent bonding properties, the design achieves full recyclability while maintaining adequate structural strength through the natural adhesive properties of paper fibers when pressed together
Solution Approach 2:
The patent relies on the self-bonding capability of paper materials. The paper webs naturally bond together through their adhesive properties when pressed, without requiring external synthetic adhesives. This self-service bonding mechanism ensures recyclability while providing sufficient bonding strength for the packaging application
4Reliability
If embossed features are created from paper web, then cushioning effect is achieved, but manufacturing complexity increases due to embossing and pressing processes
Solution Approach 1:
The patent applies preliminary embossing to the paper web before the final pressing operation. The embossed features are created in advance on the paper surface, and then the paper webs are pressed together to bond them. This preliminary action approach simplifies the overall manufacturing process by separating the embossing and bonding operations into distinct stages
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 paper-based packaging material provides effective cushioning comparable to plastic bubble wrap while being fully recyclable, reducing plastic waste and environmental impact.
Implementation Method 1
a pressing device for pressing the paper webs together in such a way that in connecting sections between the formations, paper fibers of the first paper web connect with paper fibers of the second paper web
Implementation Method 2
preconditioning means with at least one preconditioning device for preconditioning the first paper web and/or the second paper web for embossing the first paper web or pressing the paper webs together
Data Source
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AI summary
Apparatus and method for producing packaging material from two paper webs, wherein at least one of the paper webs (6) has embossed features (11) that project beyond the paper web (6) and are each bounded in the plane of the paper web by a closed circumferential line, and the paper webs (6, 8) consist exclusively of paper on their mutually facing surfaces and are free of adhesive and bonding synthetic additive material, in particular free of plastic film, preferably after preconditioning of the paper webs (6, 8), are pressed together in such a way that in connecting sections (110, 112) between the features (11) paper fibers of one paper web (6) are connected with paper fibers of the other paper web (8) and the paper webs (6, 8) define closed cavities (108) in the area of the features (11).