Smoking Article Liquid Delivery Wrapper Permeability
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Solution Overview
Problem
Existing smoking articles lack an effective mechanism to provide flavor or sensory effects on the outer surface, which can be controlled and released during use, without compromising the integrity of the product during storage or manufacturing.
Innovation Solution
A smoking article with a liquid delivery member enclosed in structural material, positioned within the aerosol forming substrate or mouthpiece, and a wrapper that has permeable and impermeable areas, allowing controlled release of liquid flavorants onto the consumer's skin through strategically aligned permeable areas on the wrapper.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If flavorants are applied on the outer surface of the smoking article for direct contact with consumer's mouth or fingers, then sensory effect is enhanced, but product integrity is compromised during storage and manufacturing
Solution Approach 1:
The liquid delivery member is nested within the aerosol forming substrate or mouthpiece, and the liquid itself is nested within the structural material of the delivery member. This nested structure protects the liquid flavorant during storage and manufacturing while enabling controlled release during use.
Solution Approach 2:
The liquid flavorant is pre-loaded into the liquid delivery member during manufacturing, but the actual release is postponed until the consumer applies external force during use. This preliminary preparation maintains product integrity while enabling on-demand sensory effect.
2Ease of operation
If the wrapper is made fully permeable to allow liquid release, then flavor delivery is improved, but uncontrolled release during storage occurs
Solution Approach 1:
The wrapper is coated with impermeable coating material only in specific areas, creating localized permeable and impermeable zones. The permeable areas allow liquid release during use, while the impermeable coated areas prevent uncontrolled release during storage and manufacturing.
3Quantity of substance
If liquid flavorant is released during storage or manufacturing, then flavor distribution is enhanced, but product quality deteriorates
Solution Approach 1:
The structural material of the liquid delivery member acts as an intermediary that contains and controls the liquid flavorant. This intermediary structure prevents premature release during storage and manufacturing while enabling controlled release during consumer use through external force.
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
Enables controlled release of flavorants onto the consumer's skin, enhancing the smoking experience while maintaining product integrity during storage and manufacturing, with the liquid transfer areas providing a defined and customizable sensory effect.
Implementation Method 1
the wrapper includes at least one area permeable to the liquid and at least one area impermeable to the liquid
Data Source
Figure 1~2
AI summary
There is provided a smoking article comprising an aerosol forming substrate, a mouthpiece axially aligned with the aerosol forming substrate, a liquid delivery member and a wrapper surrounding at least a portion of the smoking article. The liquid delivery member is disposed in the aerosol forming substrate or in the mouthpiece, and comprises structural material releasably enclosing liquid. The wrapper includes at least one area permeable to the liquid and at least one area impermeable to the liquid. At least a portion of the at least one permeable area is aligned with or downstream of the liquid delivery member. When the liquid is released from the liquid delivery member, the liquid can migrate to the outer surface of the smoking article via the permeable area or areas of the wrapper.