Composite Dome Sheet for Thermal Insulation
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Solution Overview
Problem
Current paper-based cushioning materials fail to match the cushioning performance of plastic-based alternatives, and there is a need for a biodegradable solution that provides effective thermal protection for thermally-sensitive products.
Innovation Solution
A composite dome sheet made from a flap-cut sheet with intersecting cuts and cap members, typically from cellulose paper, which forms a plurality of composite domes that provide cushioning and thermal insulation, with the cap members being affixed to the outwardly extending flaps using adhesive or heat sealing, and arranged in layers around the product for enhanced protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If paper-based cushioning materials are used, then biodegradability and cost are improved, but cushioning performance is insufficient compared to plastic-based materials
Solution Approach 1:
The patent combines paper-based flap members with plastic cap members to create a composite dome structure. This composite approach allows the cushioning article to maintain biodegradability benefits from paper while incorporating the superior cushioning performance of plastic components, directly resolving the contradiction between environmental friendliness and cushioning effectiveness
Solution Approach 2:
The patent employs dome-shaped and cap-shaped structures with curved surfaces instead of flat paper configurations. The spherical and cap-like geometries provide better stress distribution and cushioning performance, enabling paper-based materials to achieve plastic-level protection while maintaining biodegradability
2Object-affected harmful factors
If traditional paper cushioning is used, then cost and biodegradability are improved, but thermal insulation performance is insufficient
Solution Approach 1:
The composite structure combining paper flaps with plastic caps creates multiple interfaces and air pockets that enhance thermal insulation. This composite approach provides superior thermal protection compared to traditional paper cushioning while maintaining the biodegradable paper components
Solution Approach 2:
The patent transitions from flat two-dimensional paper configurations to three-dimensional dome structures with cap members extending in multiple directions. This dimensional transformation creates additional thermal barriers and air pockets, significantly improving insulation performance
3Reliability
If plastic-based cushioning articles are used, then cushioning performance is improved, but biodegradability and environmental friendliness deteriorate
Solution Approach 1:
The patent divides the cushioning structure into distinct functional segments: biodegradable paper flap members and plastic cap members. This segmentation allows each component to perform its optimal function while the overall structure maintains environmental benefits through the predominance of biodegradable materials
Solution Approach 2:
The patent applies different materials to different parts of the structure based on local functional requirements. Paper materials are used where biodegradability is prioritized, while plastic cap members are strategically placed to provide enhanced cushioning performance in critical areas
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 composite dome sheet achieves cushioning performance comparable to plastic-based materials while offering superior thermal insulation, maintaining low temperatures for thermally-sensitive products for extended periods, outperforming polystyrene foam in insulation efficiency.
Implementation Method 1
the cap members are affixed to the outwardly extending flaps with an adhesive
Implementation Method 2
maintaining low temperatures for thermally-sensitive products for extended periods, outperforming polystyrene foam in insulation efficiency
Data Source
AI summary
A cushioning article comprises a flap-cut sheet with a plurality of discrete sets of flaps, with each discrete set of flaps having a plurality of flaps extending outward from the sheet. A plurality of the outwardly extending flaps of each discrete set of flaps are affixed to a discrete cap member, resulting in a composite dome sheet having a plurality of composite domes extending from the flap-cut sheet. A cushioning and thermal protection packaging article for packaging a thermally-sensitive product utilizes a plurality of the layers of the composite dome sheet with each layer separated by a separating sheet. Both the composite dome sheet and the separating sheet can be made of paper.