Machine-Scannable Security Label for Tamper-Evident Packaging
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Solution Overview
Problem
Conventional tamper-detection methods for packages and containers rely on human visual inspection, which is prone to errors and can be misleading, as tampered security labels can be replaced, making it difficult to accurately determine if a package has been opened or resealed.
Innovation Solution
Integration of a machine-scannable security label within or over the sealing layer of containers, including transparent caps and shrink sleeves, with a reference for determining spatial orientation, ensuring tampering evidence is detectable even if the label is reused or decoupled, and utilizing NFC tags with vision technology for enhanced authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional tamper-evident tape is used to seal the box, then the box can be sealed and tampering can be visually indicated by marks left on the surface, but the tape can be removed and replaced with an identical tape, making the indication unreliable and requiring human visual inspection which is prone to error
Solution Approach 1:
The patent replaces the mechanical visual inspection system with an automated machine vision scanning system. The security label incorporates machine-readable codes (such as QR codes, barcodes, or other optically scannable patterns) that can be automatically read and verified by imaging devices, eliminating the need for human visual inspection and reducing errors while maintaining reliability.
Solution Approach 2:
The patent uses optical copying and imaging technology to create a digital record of the security label's state. By capturing images of the machine-readable codes and comparing them against reference images or databases, the system creates an immutable record of the package's security status, making it difficult for counterfeiters to replicate the exact optical patterns.
2Reliability
If a security label with machine-readable code is used, then machine scanning can detect tampering, but the label must be integrated with the packaging structure to prevent removal and replacement
Solution Approach 1:
The patent merges the security label with the packaging structure by integrating it into the sealing mechanism. The label is applied across sealing surfaces (such as box flaps, cap threads, or shrink sleeve seams) so that it becomes part of the sealed structure itself. This integration ensures that any attempt to open or tamper with the package will damage or displace the label, making tampering evident while maintaining ease of manufacturing through standard sealing processes.
3Reliability
If the security label is disposed over the sealing layer, then it can indicate tampering through orientation changes, but it needs to remain visible and scannable through transparent caps or flaps
Solution Approach 1:
The patent incorporates optically variable features into the security label, such as color-shifting inks, holographic elements, or other optical effects that change appearance based on viewing angle or lighting conditions. These features enhance the label's visibility through transparent or translucent packaging while providing additional anti-counterfeiting characteristics that are difficult to replicate.
Data Source
AI summary
A container (200) is provided. The container (200) comprises a mouth (202), a cap (204) for operably exposing or closing the mouth (202), a sealing layer (206) on top of the mouth (202) and a security label (208) which is scannable. At least a portion (204a) of the cap (204) is transparent. The security label (208) is disposed over the sealing layer (206) below the transparent cap (204) and the security label (208) is machine scannable.