Tamper-Evident Packaging With Breakage Lines And Locking Tabs
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Solution Overview
Problem
Current tamper-evident packaging solutions lack clear visual indicators of unauthorized access, making it difficult to ascertain if the packaging has been altered post-manufacturing.
Innovation Solution
The use of preset breakage lines and locking mechanisms in a cut flexible material sheet, which break upon opening, providing visible markers and an additional locking mechanism to prevent reclosure, ensuring tamper-evidence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If preset breakage lines are introduced to provide clear visual indicators of tampering, then tamper-evidence capability is improved, but device complexity increases due to additional structural elements
Solution Approach 1:
The packaging structure is divided into multiple segments including dust panels with preset breakage lines, main panels with locking tabs, and closure panels with openings. Each segment serves a specific function in the tamper-evident mechanism, allowing the system to provide clear visual indicators while maintaining manageable complexity through functional decomposition
Solution Approach 2:
Preset breakage lines are pre-formed in the dust panels and preset locking mechanisms are pre-configured in the main panels before the packaging is sealed. These preliminary structures ensure that any attempted opening will automatically trigger visible evidence of tampering through predetermined breakage patterns and locking tab interactions
2Reliability
If multiple locking mechanisms are added to prevent reclosure, then security is improved, but ease of operation deteriorates due to more complex opening procedures
Solution Approach 1:
The locking tabs on the main panels automatically engage with the closure panel through self-aligning mechanisms. When the packaging is opened, the locking tabs are automatically released and remain detached, providing security without requiring manual intervention for locking or unlocking operations
Solution Approach 2:
Instead of requiring active engagement to lock the packaging, the design uses passive locking where the default state is locked and opening requires breaking the preset breakage lines to release the locking tabs. This inversion simplifies operation by eliminating the need for complex locking mechanisms while maintaining security
3Difficulty of detecting and measuring
If openings are provided in the closure panel for visual inspection, then ease of detecting tampering is improved, but protection against unauthorized access deteriorates due to potential visibility of internal contents
Solution Approach 1:
The closure panel is designed with specific local features including openings positioned to align with preset breakage lines in the dust panels. This allows visual inspection of tampering evidence through the openings while the surrounding structure and timing of breakage line activation control what internal contents are visible, providing localized functionality that balances detection ease with security
Data Source
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AI summary
According to an example aspect of the present invention, there is provided a packaging (1) comprising a first main panel (2), a first side panel (3), a second main panel (4), and a second side panel (5), defining a box body and being separated from one another by folding lines (6) formed on a flexible material sheet, at least one closure cover for said box, wherein the closure cover includes a tongue (7) projecting from a closure panel (8) in turn projecting from the first main panel (2), the closure panel (8) being separated from the tongue (7) and from the first main panel (2) by folding lines (6), the tongue (7) being configured to be introduced into the box under the second main panel (4), and wherein through the tongue (7) at least one elongated window (9) is provided, a lug (10) projecting from the closure panel (8) and being arranged coplanar with it, a first dust panel (11a) projecting from the first side panel (3) and a second dust panel (11b) projecting from the second side panel (5), wherein each dust panel (11a, 11b) is provided for turning about a folding line (6) and is configured to be arranged under the closure panel (8) of the cover, a first tooth (12a) being arranged coplanar with the first dust panel (11a) and a second tooth being (12b) arranged coplanar with the second dust panel (11b), and wherein the teeth (12a, 12b) are configured to extend through the window (9) and to project from the window (9) as said cover is closed, and wherein the second main panel (4), which is arranged opposite to the first main panel (2), comprises a first preset breakage line (13) for facilitating a separation of a portion of the second main panel (4), and each dust panel (11a, 11b) includes a second preset breakage line (14) along a portion of the respective dust panel (11a, 11b).