Flavored Sheet Paper Tube for Smoking Articles
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Solution Overview
Problem
Existing heating-type stick products for smoking articles face challenges in providing a cooling effect and maintaining flavor expression due to the brittleness and inflexibility of polymer materials used, which are not suitable for application as a sheet and can break easily.
Innovation Solution
A paper tube for smoking articles is developed with a flavored sheet containing a cellulose-based polymer, plasticizer, and flavoring material, applied to the inner or outer surface, offering a cooling and flavor expression effect while maintaining flexibility and tensile strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If polymer materials (PLA, CA, PET) are used as cooling materials in heating-type sticks, then a cooling effect is achieved, but the materials are brittle and easily broken
Solution Approach 1:
The patent uses a composite material structure where a polymer coating layer is applied onto a paper tube base. This combines the cooling effect of the polymer material with the flexibility and strength of the paper tube, resolving the contradiction between achieving a cooling effect and maintaining structural strength.
Solution Approach 2:
The patent applies a thin film or coating of polymer material onto the paper tube surface rather than using the polymer as a rigid structure. This allows the cooling material to be flexible and resistant to breaking while still providing the necessary cooling effect.
2Ease of manufacture
If polymer materials are applied to base paper by coating only, then the materials can be applied, but the application process is complex and limited
Solution Approach 1:
The patent merges the paper tube structure with the polymer coating into a single integrated component. The paper tube serves both as the structural base and as the carrier for the cooling material, simplifying the manufacturing process by eliminating the need for separate application steps.
3Area of stationary object
If polymer materials are applied to the entire cross section of the filter, then cooling coverage is maximized, but the materials lack flexibility and cannot be directly applied as a sheet
Solution Approach 1:
The patent uses a thin film or coating approach that allows the polymer material to conform to the paper tube surface while maintaining flexibility. This enables full coverage of the filter cross-section without requiring the material to be rigid or brittle.
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 flavored sheet enhances the persistence of smoking and tobacco tastes by providing an airflow cooling effect and effective flavor expression, ensuring smooth smoke flow and improved taste experience.
Implementation Method 1
Polymer materials (e.g., a polylactic acid (PLA), cellulose acetate (CA), poly(ethylene terephthalate) (PET), etc.) which are phase-changeable by absorbing heat within an airflow temperature range, as cooling materials of heating-type sticks
Implementation Method 2
The flavored sheet may include a cellulose-based polymer, a plasticizer, and a flavoring material
Data Source
AI summary
The present disclosure relates to a paper tube including a flavored sheet and a smoking article including the same, and more particularly, relates to a paper tube for smoking articles which includes a flavored sheet, which includes a cellulose-based polymer, a plasticizer, and a flavoring material, and which is on an inner surface, an outer surface, or both of the paper tube, and to a smoking article including the same.