Multi-Layer Cigarette Paper Structure for Ash Wrapping and Flexible Processing
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Solution Overview
Problem
Existing cigarette paper structures require separate processing for different types, leading to increased manpower and material costs due to equipment cleaning for contamination prevention, and lack flexibility in adapting to various cigarette specifications and tobacco shred types.
Innovation Solution
A multi-layer composite cigarette paper structure with inner and outer layers, including functional grooves and an ash-wrapping layer, allowing for grouped processing and layer-by-layer wrapping, reducing the need for separate processing and enhancing ash-wrapping performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If different types of cigarette paper are processed separately, then processing precision and product quality are maintained, but productivity decreases and manufacturing costs increase due to repeated equipment cleaning
Solution Approach 1:
The cigarette paper is divided into multiple functional layers (inner layer, middle layer, outer layer), each with specific functions. This segmentation allows the basic paper structure to remain consistent while only varying the ash-wrapping layer composition, enabling continuous processing without complete equipment cleaning between different cigarette paper types.
Solution Approach 2:
The patent creates a universal basic paper structure that can serve multiple cigarette paper types by maintaining the same inner and outer layers while only changing the middle ash-wrapping layer. This universal base structure allows the equipment to process different cigarette paper varieties without thorough cleaning, improving productivity while maintaining quality.
2Reliability
If equipment is thoroughly cleaned when switching between different cigarette paper types, then contamination is prevented, but loss of time and increased manpower costs occur
Solution Approach 1:
By segmenting the cigarette paper into modular layers with a consistent basic structure (inner and outer layers) and a variable functional layer (middle ash-wrapping layer), the patent enables selective change of only the necessary component when switching product types. This reduces cleaning requirements and associated time losses while maintaining product quality through controlled layer composition.
3Ease of manufacture
If a single-layer cigarette paper structure is used, then manufacturing simplicity is maintained, but ash-wrapping performance is insufficient for high burning speed cigarettes
Solution Approach 1:
The patent divides the cigarette paper into three distinct layers with the middle layer specifically designed for ash-wrapping function. This segmentation provides good ash-wrapping performance while maintaining manufacturing simplicity because the layers can be produced separately and assembled through a straightforward multi-layer formation process.
Solution Approach 2:
The patent uses composite material structure with different pulp types in each layer (wood pulp in inner and outer layers, hemp pulp in middle layer). This composite approach enhances ash-wrapping performance by combining materials with complementary properties while maintaining ease of manufacture through standardized layer production and assembly.
4Speed
If high burning speed cigarette paper is used, then smoking satisfaction is improved, but ash-wrapping performance deteriorates due to ash flaking off
Solution Approach 1:
The segmented three-layer structure allows the middle layer to be specifically optimized for ash-wrapping function with appropriate material composition and thickness, while the inner and outer layers maintain burning performance. This functional segmentation enables high burning speed while preventing ash flaking through the specialized ash-wrapping layer.
Solution Approach 2:
The patent employs composite materials with hemp pulp in the middle layer providing excellent ash-wrapping properties, while wood pulp in the inner and outer layers maintains burning characteristics. This material composition allows the cigarette to burn quickly while the hemp-based middle layer effectively binds ash particles, preventing flaking even at high burning speeds.
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 multi-layer structure allows for flexible processing suitable for different cigarette specifications and tobacco shred types, reducing waste and improving the smoking experience by enhancing ash-wrapping performance and ventilation.
Implementation Method 1
Phosphorus anhydride forms a molten object which is similar to glass during pyrolysis and covers a surface
Implementation Method 2
Phosphorus anhydride forms a molten object which is similar to glass during pyrolysis
Implementation Method 3
a friction surface is provided at a side of the ash-wrapping layer close to the inner-layer cigarette paper
Implementation Method 4
the selection of components and natural permeability of the cigarette paper plays an increasingly important role in cigarette design
Data Source
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AI summary
The present disclosure relates to the technical field of cigarette manufacturing, and provides a multi-layer composite cigarette paper structure having good ash-wrapping performance and a manufacturing method. The multi-layer composite cigarette paper structure includes inner-layer cigarette paper provided at an outer side of tobacco shreds and outer-layer cigarette paper provided at an outer side of the inner-layer cigarette paper, an ash-wrapping layer is provided between the inner-layer cigarette paper and the outer-layer cigarette paper, functional grooves are formed in a side of the inner-layer cigarette paper distant from the tobacco shreds, and a friction surface is provided at a side of the ash-wrapping layer close to the inner-layer cigarette paper. According to the present disclosure, arrangement is simple, the cigarette paper is of a multi-layer structure, and the multi-layer cigarette paper is firstly grouped and processed, and then is wrapped layer by layer; and in a grouping processing manner, basic paper is the same and sandwiched ash-wrapping layers are different, such that the present disclosure can be suitable for smoking, burning, and ash wrapping of cigarettes of different specifications and different tobacco shred types, and separate processing is not needed, and thus the processing waste of paper is reduced, and the experience of a smoker is improved.