Braided Absorbent Material for Aerosol Provision Systems
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Solution Overview
Problem
Existing non-combustible aerosol provision systems face challenges in maintaining the structural integrity and uniformity of aerosol-generating materials, particularly cotton fibers, which tend to expand or splay out when not held in place, affecting the consistency of aerosol generation.
Innovation Solution
A braided absorbent material is manufactured by braiding strands of material around a continuous rod of absorbent material, using a braiding machine to create a uniform pattern, which includes a combination of materials like metal wire and cotton thread to provide structural support and prevent splaying, and can be cut into lengths for use in aerosol provision systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If cotton fibres are used as substrate material, then aerosol generation is enabled, but the fibres expand or splay out when not held in place, affecting uniformity
Solution Approach 1:
A paper wrapper is applied around the rod-shaped substrate material to contain and hold the cotton fibres in place. The wrapper acts as a flexible shell that prevents the fibres from splaying out while allowing the rod to maintain its rod-shaped configuration, thus resolving the contradiction between enabling aerosol generation and maintaining structural uniformity.
2Strength
If plastic tube with metal wire coil is used, then structural support is provided, but the design uses plastics which the invention seeks to eliminate
Solution Approach 1:
The plastic tube component is completely removed from the rod structure. Instead, a paper wrapper is used to provide the necessary containment and structural support, eliminating harmful plastic materials while maintaining the rod's integrity and ability to hold the substrate material in place.
3Stability of the object's composition
If more structure is added around substrate material, then uniformity is improved, but device complexity increases
Solution Approach 1:
A simple paper wrapper is used instead of complex structural components. The wrapper provides sufficient containment and uniformity for the substrate material while maintaining a simple, lightweight structure that does not significantly increase device complexity. The solution achieves the desired uniformity with minimal added structural elements.
Data Source
AI summary
A method of manufacturing a braided absorbent material (50) for a consumable of a non-combustible aerosol provision system is disclosed. It comprises braiding strands of material (52) around the outside of a continuous rod of absorbent material (54) to form a continuous rod of braided material; and cutting the continuous rod of braided material into lengths of braided absorbent material. Each length of braided absorbent material includes at least a portion of the rod of absorbent material. A braided absorbent material comprising strands of material braided around the outside of a rod of absorbent material is also disclosed. The absorbent material (54) is capable of wicking aerosol generating material. The stands of material (52) may be magnetic metal wire to be used in an induction heating system, or may be flavour impregnated.