Cigarette Filter Composite Fiber Adsorbent Delivery
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for incorporating adsorbent materials into cigarette filters are inefficient and messy, often involving loose powders or slurries that are inconsistent and wasteful.
Innovation Solution
The use of composite fiber structures within cigarette filters, where a carrier fiber is embedded with an adsorbent fiber, such as carbonaceous fibers, to facilitate cleaner and more efficient insertion of adsorbent materials, including biodegradable fibers that can alter the smoke's character or carry additives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If adsorbent materials are inserted as loose powders or slurries, then the insertion process is simple, but the process is inconsistent, wasteful, and messy
Solution Approach 1:
The adsorbent material is pre-loaded into capsules before insertion into the filter element. This preliminary action of encapsulating the material allows for controlled, consistent delivery during the insertion process, eliminating the mess and inconsistency associated with loose powders while maintaining process simplicity
Solution Approach 2:
Capsules serve as an intermediary carrier between the adsorbent material and the filter element. The capsule structure enables precise positioning and controlled release of the material, improving manufacturing precision without complicating the overall insertion process
2Reliability
If granules of carbonaceous material are used, then the adsorbent capacity is improved, but the insertion process becomes more complex and messy
Solution Approach 1:
Granules of carbonaceous material are pre-loaded into capsules during manufacturing. This preliminary encapsulation action allows the complex task of handling granules to be completed once, simplifying the actual insertion process into the filter element while maintaining the high adsorbent capacity of the granular form
Solution Approach 2:
The capsule acts as an intermediary that contains the granular carbonaceous material, enabling easy handling and insertion without the complexity and mess associated with directly manipulating loose granules. The capsule protects the granules until they are needed in the filter element
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
This approach allows for consistent and efficient delivery of adsorbent materials into cigarette filters, improving the process of smoke filtration and potentially enhancing the smoking experience by altering the smoke's properties.
Implementation Method 1
a cigarette filter for removing gas phase constituents from mainstream cigarette smoke as the smoke is drawn through the filter, the filter including an activated carbon fiber filter section containing a bundle of activated carbon fibers
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A cigarette filter (26) is provided, comprising at least one filter segment (32) having one or more composite fiber structures (60) imbedded therein, the composite fiber structure (60) comprising a carrier fiber connected to an adsorbent fiber, the adsorbent fiber comprising an adsorbent material.