Filter Cigarette Forming Unit Capsule Integrity Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing forming units for filter cigarettes with frangible aromatic capsules fail to effectively control the presence and integrity of these capsules during handling and packing, leading to frequent damage and leakage of the aromatic substance, which is not detectable until the product reaches the consumer.
Innovation Solution
A forming unit with vertically aligned or offset microwave sensors to check the presence and integrity of the aromatic capsule embedded in each filter cigarette, combined with optical sensors for tobacco filling verification, and a rejection mechanism to remove defective cigarettes, ensuring accurate control before packaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If control on frangible capsules is performed during filter manufacturing or immediately upstream/downstream of connection, then manufacturing efficiency is maintained, but capsule damage during subsequent handling and packing is not detected
Solution Approach 1:
The patent applies preliminary action by performing capsule integrity control immediately before the filter is connected to the cigarette, rather than during manufacturing or after connection. This timing allows detection of capsule damage before it causes issues during handling and packing, while still maintaining efficient production flow by placing the control step at the optimal moment in the sequence.
Solution Approach 2:
The patent implements feedback through sensors (optical, acoustic, or capacitive) that detect capsule presence and integrity, providing real-time information about capsule status. This feedback mechanism enables the system to identify and reject defective filters with damaged capsules, ensuring reliable product quality without significant productivity loss.
2Reliability
If no control mechanism is implemented, then device complexity is minimized, but capsule damage and aromatic substance leakage go undetected until final user inspection
Solution Approach 1:
The patent applies self-service by using sensors that automatically detect capsule integrity without requiring manual inspection or complex control systems. The optical, acoustic, or capacitive sensors passively monitor capsule status as filters move through the machine, enabling quality control through simple, automated detection rather than complex active monitoring systems.
Solution Approach 2:
The patent replaces mechanical inspection methods with non-contact sensing technologies (optical, acoustic, or capacitive sensors). This substitution eliminates the need for physical handling or complex mechanical detection systems, achieving reliable capsule integrity control through simpler, more elegant sensing mechanisms that don't interfere with the filter structure.
3Extent of automation
If microwave sensors are used to check tobacco filling degree, then automation is increased, but the system becomes more complex and expensive
Solution Approach 1:
The patent applies universality by using a single sensor type (optical, acoustic, or capacitive) to perform multiple functions: detecting both tobacco filling degree and capsule integrity. This multi-functional approach eliminates the need for separate specialized sensors for each measurement, reducing overall system complexity while maintaining high automation levels.
Solution Approach 2:
The patent utilizes parameter changes in the sensor response to distinguish between different defects. By monitoring variations in optical transmission, acoustic characteristics, or capacitive values, the system can detect both tobacco filling issues and capsule integrity problems using the same sensor platform, avoiding the need for multiple specialized detection systems.
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 forming unit ensures high reliability in detecting and removing damaged or empty aromatic capsules, minimizing the risk of capsule damage during handling and packing, thus maintaining the aromatic substance within the cigarettes until consumption.
Implementation Method 1
Each control unit (6) comprises a microwave sensor (7) which is configured to check the presence and/or integrity of the aromatic capsule (3) embedded in the filter (2) of the filter cigarette (2)
Implementation Method 2
Each control unit (6) can further comprise a sensor (8) for controlling the tips of the filter cigarettes (2) on the opposite side of the filter (2), i.e. where the tobacco is visible
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
A forming unit (1) for groups of filter cigarettes (2) in said filter at least one object (3) is embedded; the forming unit (1) has: a feeding hopper (4); a plurality of channels (5) inside which the filter cigarettes (2) are conveyed; a plurality of control units (6), each arranged in a corresponding channel (5) and is designed to carry out a control on the filter cigarettes (2) coming down along the channel (5); and a plurality of rejection elements (9), each of which is arranged in a corresponding channel (5) downstream of the control unit (6) and is designed to remove a filter cigarette (2) to be rejected from the channel (5); each control unit (6) has a microwave sensor (7) designed to check the presence and/or integrity of the object (3) embedded in the filter of each filter cigarette (2) coming down along the corresponding channel (5).