Tamper Indicating Package With Segmented Lid Tabs
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing packages with tamper evidence mechanisms often require complex opening procedures and may damage the packaging, making it difficult to ensure the integrity of the contents and the tamper evidence itself.
Innovation Solution
A package design featuring a lid with a main tab and tamper evidence tabs connected via weakening lines, allowing the main tab to separate from the tamper evidence tabs when opening, reducing the force required to open and ensuring the tamper evidence remains intact for indicating previous opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tamper evidence mechanism is added to indicate previous opening, then the reliability of the package integrity is improved, but the device complexity increases
Solution Approach 1:
The tamper evidence tab is integrated into the lid structure, merging the tamper evidence function with the existing lid component. The tab is formed as part of the lid assembly, eliminating the need for separate tamper evidence components and reducing overall structural complexity while maintaining reliability.
Solution Approach 2:
The lid is segmented into functional zones: the main tab for opening, the tamper evidence tab for integrity indication, and the body for structural support. This segmentation allows each component to perform its specific function independently, improving reliability without requiring complex interactions between multiple separate systems.
2Reliability
If a complex opening procedure is used to ensure tamper evidence, then the reliability of package integrity is improved, but the ease of operation deteriorates
Solution Approach 1:
The tamper evidence tab is pre-positioned and pre-connected to the lid structure during manufacturing. The weakening lines are pre-formed to break at specific moments during opening. This preliminary preparation ensures that when the user opens the package, the tamper evidence automatically indicates previous opening without requiring complex procedures or user intervention to activate the evidence mechanism.
Solution Approach 2:
The tamper evidence mechanism is self-activating through the natural opening action. When the user pulls the main tab to open the package, the connected tamper evidence tab automatically breaks or changes position along predetermined weakening lines, providing automatic tamper indication without requiring separate actions or complex operations from the user.
3Productivity
If force is applied to open the package, then the productivity of opening operation is improved, but the strength of the tamper evidence and packaging may deteriorate
Solution Approach 1:
The opening force is segmented and directed through specific pathways: the user applies force to the main tab, which transfers force through the connection to the tamper evidence tab, causing it to break along predetermined weakening lines. This segmented force transmission ensures rapid opening while the controlled breaking paths protect the overall integrity of the tamper evidence mechanism.
Solution Approach 2:
The weakening lines are pre-formed in the tamper evidence tab and lid structure to control where force is applied during opening. These pre-formed weak points act as cushioning zones that allow the tab to break in a controlled manner, absorbing the opening force in a predictable way that maintains the strength and integrity of the remaining tamper evidence structure.
Data Source
AI summary
A package including a base, a lid attached to said base for rotation about a hinge axis to open the package, the lid having a body and a main tab separated from body by a fold-line, and a tamper evidence tab attached to the base, wherein, prior to first opening of the package, the main tab and the tamper evidence tab are connected to each other via a first line of weakening, the arrangement being such that said main tab and the tamper evidence tab separate along the first line of weakening when the main tab is folded about the fold-line prior to rotation of the lid about the hinge axis to open the package.