Rupturing System for Blister Capsule Piercing
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Solution Overview
Problem
Existing aerosol generating systems face challenges in cost-effective and reliable piercing mechanisms for aerosol containers, leading to increased manufacturing complexity and risk of component failure.
Innovation Solution
Aerosol generating articles with a rupturing system comprising two tubes that move relative to each other, featuring a first rupturing member that protrudes to rupture blister capsules, allowing controlled release of volatile liquids, and incorporating a guide member for progressive sideways movement to facilitate airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a piercing member is used to pierce compartments of the container, then the aerosol generating agent can be released, but the manufacturing complexity and costs increase
Solution Approach 1:
The piercing member is divided into multiple segments that can move relative to each other. The first segment remains stationary while the second segment moves to perform the piercing action, distributing the functional requirements across separate components and simplifying manufacturing of each individual part.
Solution Approach 2:
The piercing member transitions from a static structure to a dynamic system where the second segment can move along the longitudinal axis. This dynamic capability allows the piercing function to be performed only when needed, reducing manufacturing complexity while maintaining reliability through controlled activation.
2Ease of operation
If the rupturing member is enclosed within the volume defined by the tubes, then handling is easier and injury is prevented, but the rupturing mechanism becomes more complex
Solution Approach 1:
The first rupturing member is nested within the volume defined by the first and second tubes. This nesting arrangement protects the rupturing member during handling and storage while allowing it to be deployed when needed, improving ease of operation without significantly increasing overall system complexity.
Solution Approach 2:
The second tube acts as an intermediary mechanism that, when moved, causes the first rupturing member to protrude from its enclosed position. This mediator enables controlled deployment of the rupturing member, balancing safety during handling with functional capability when activated.
3Ease of operation
If the first tube and second tube are movable relative to each other, then controlled release is achieved, but the device complexity increases
Solution Approach 1:
The system employs dynamic relative movement between the first and second tubes along the longitudinal axis. This dynamic arrangement enables controlled release of the aerosol generating agent only when the tubes are positioned correctly, providing user control while keeping the mechanical complexity manageable through simple linear motion.
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 solution provides a cost-effective, easy-to-operate system for piercing aerosol containers, ensuring controlled release of aerosol and preventing accidental injuries by enclosing the rupturing member, while maintaining the system's reusability and reducing manufacturing complexity.
Implementation Method 1
the first rupturing member at least partially protrudes from the defined volume to rupture the blister capsule to form an aperture extending through the blister capsule
Data Source
AI summary
There is provided an aerosol-generating article including at least one blister capsule including a volatile liquid, the article further including a rupturing system including a first tube and a second tube both arranged in operational engagement defining a volume; the first and second tubes being movable relative to each other along a first motion path from a first position to a second position, such that the defined volume is larger in the first position than in the second position; the first tube including a first rupturing member arranged at least partially inside the first tube, such that in the first position the first rupturing member is contained completely in the defined volume; and, in the second position, the first rupturing member at least partially protrudes from the defined volume and is configured to rupture the capsule and to form an aperture extending through the capsule.