Heat-Not-Burn Filter Forming Cooling Cavity
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Solution Overview
Problem
Heat-Not-Burn smoking constructions are complex and costly to produce due to the need for specialized filter elements, tubular components, and additional production steps, leading to higher production costs compared to conventional combustible cigarettes.
Innovation Solution
A simplified Heat-Not-Burn smoking construction design featuring a tobacco segment, a cooling tube formed between the filter and tobacco by a first combining wrapper, and a second wrapper surrounding the cooling tube and filter, which reduces complexity and material usage while maintaining effective smoke cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If specialized filter elements, tubular components, and additional production steps are used in Heat-Not-Burn smoking constructions, then smoke cooling function is improved, but device complexity and production cost increase
Solution Approach 1:
The patent combines the filter element and tubular cooling component into a single integrated filter assembly. The filter is formed with a hollow cylindrical structure that directly serves as the cooling tube, eliminating the need for separate tubular components. This merging reduces the number of parts and assembly steps while maintaining the smoke cooling function through the hollow filter structure.
Solution Approach 2:
The hollow filter structure serves multiple functions simultaneously: it acts as both the filtration element and the cooling tube. The hollow cylindrical filter body provides both filtering capability and thermal management, reducing the need for specialized separate components. This multi-functionality simplifies the overall device structure while ensuring effective smoke cooling.
2Reliability
If multiple separate components are used in Heat-Not-Burn smoking constructions, then functional performance is improved, but manufacturing cost increases
Solution Approach 1:
The patent merges the filter and cooling tube into a single manufactured component. The filter is formed as one piece with an integrated hollow structure, eliminating the need to manufacture and assemble separate tubular cooling components. This reduces material costs and simplifies the manufacturing process while maintaining functional performance.
Solution Approach 2:
The filter is segmented into functional zones within a single component: the hollow cylindrical section serves as the cooling tube, while the outer wrapping material provides structural support and labeling. This segmentation allows different parts of the same component to fulfill multiple functions, reducing overall manufacturing complexity and cost.
3Manufacturing precision
If multiple production steps are used to combine different parts, then product quality is improved, but production time and cost increase
Solution Approach 1:
The patent combines multiple components into a single filter assembly that can be manufactured in fewer steps. The hollow filter structure is formed as one integrated piece, eliminating the need for separate assembly operations for the cooling tube and filter elements. This reduces production time while maintaining quality through controlled manufacturing of the unified structure.
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 design reduces production costs by minimizing the number of production steps and materials needed, while ensuring the hot smoke is cooled sufficiently for consumer safety, and provides mechanical protection and information labeling through suitable wrapper materials and lengths.
Implementation Method 1
the hot smoke must be cooled down
Implementation Method 2
the smoke, which will be generated by the heater in combination with the tobacco part of the construction is directed through a filter and to the mouth of a consumer
Data Source
AI summary
The invention relates to a Heat-Not-Burn smoking construction with at least one tobacco segment, at least one cooling tube and a filter comprising an upstream hollow filter segment and a downstream filled filter segment. The filter segments are wrapped with at least one first combining wrapper. The cooling tube and the filter are surrounded by a second combining wrapper or tipping paper extending partially on the tobacco segment to attach the filter and cooling tube to the tobacco segment. The cooling tube is formed between the filter and the tobacco segment by the first combining wrapper, which surrounds the filter and forms a cavity between the tobacco segment and the filter to provide a cavity that extends a length beyond the upstream hollow filter segment. The invention also relates to a method for manufacturing one or two heat-not-burn smoking constructions.