Tamper-Evident Container Lid With Breakable Joints
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Solution Overview
Problem
Existing tamper-evident containers fail to effectively indicate tampering, as security features are often cumbersome, expensive, or easily circumvented, lacking clear visual evidence of breach.
Innovation Solution
A tamper-evident container design featuring a base with a recessed tab and a lid with a tamper-evident tab flanked by breakable joints, where the joints are severable along lines congruent to the periphery, allowing the lid to be detached and reattached while visibly indicating tampering through exposed flaps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional security features are used to prevent tampering, then security is improved, but the features are either cumbersome, expensive, or easily circumvented
Solution Approach 1:
The container is divided into separate components (base and lid) with an interlocking interface that includes a locking mechanism. The lid is segmented into a main body and a tamper-evident tab, creating multiple functional parts that work together to provide security while maintaining simplicity.
Solution Approach 2:
The tamper-evident tab is designed as a disposable component that is intentionally damaged during normal opening. This cheap, single-use element provides reliable tamper evidence without requiring expensive, complex security systems.
2Reliability
If traditional security features are used to prevent tampering, then security is improved, but cost increases
Solution Approach 1:
The locking mechanism and tamper-evident features are merged into a single integrated structure formed from one piece of molded plastic. The interlocking interface, locking tabs, and tamper-evident tab are all part of the same molded component, eliminating the need for separate parts and reducing manufacturing cost.
Solution Approach 2:
The molded lid component serves multiple functions simultaneously: it provides the container closure, includes the interlocking locking mechanism, and incorporates the tamper-evident tab. This multi-functionality reduces the number of separate components needed, simplifying manufacturing.
3Reliability
If security features are added to prevent tampering, then tamper proofing is improved, but clear visual evidence of breach is not provided
Solution Approach 1:
The tamper-evident tab provides visual evidence of tampering through its structural state rather than color change. When intact, the tab maintains a specific configuration; when tampered with, it becomes deformed, broken, or separated, providing clear visual indication of breach.
Solution Approach 2:
The tamper-evident tab is pre-configured in an intact state during manufacturing. Any deviation from this predetermined state automatically provides evidence of tampering, eliminating the need for complex detection systems.
4Reliability
If the container is designed to be secure, then accessibility of contents is reduced, but user convenience is worsened
Solution Approach 1:
The container is designed so that the normal opening action automatically performs the security function. When the user pulls the lid to open the container, the tamper-evident tab is naturally damaged, providing both access and tamper evidence without requiring separate actions or complex mechanisms.
Solution Approach 2:
The container transitions from a static locked state to a dynamic opening process where the tamper-evident tab is intentionally damaged. This dynamic action provides both access to contents and irreversible evidence of opening in a single motion.
Data Source
AI summary
A tamper-evident container and method is disclosed. The tamper-evident container includes a base portion and a lid (or cover). In an untampered with state, one edge of the lid is removably connected to one edge of the base portion. Namely, the lid includes a tamper-evident tab, wherein the tamper-evident tab includes a grasping overhanging portion that is flanked by at least one breakable joint and wherein the lid is removably connected to the base portion via the breakable joint of the tamper-evident tab. Further, the tamper-evident container comprises an interlocking interface between the base portion and the lid. A method of using the tamper-evident container is provided.