Tamper-Proof Container Insert With Breakaway Retention Lugs

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Solution Overview

Problem

Existing container inserts are not tamper-proof, allowing them to be easily removed and reused, which is illegal in some jurisdictions.

Innovation Solution

A tamper-proof container insert with a retention lug ring at the lower end, featuring radially spaced-apart retention lugs that extend upwardly and outwardly to engage the container's inner surface, making it difficult to remove the insert from the container.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the insert is made easily removable for cleaning and maintenance, then the ease of operation is improved, but the tamper-proof capability deteriorates

Engineering Contradiction:

Improveease of removal for cleaningVSAvoidtamper-proof capability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The retention system is segmented into multiple retention lugs distributed around the circumferential surface, each capable of independent engagement with the container. This segmentation allows the insert to be either securely retained or completely removed, providing a clear tamper-evident state rather than partial retention

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Instead of designing the insert to be partially removable or difficult to remove, the invention inverts the approach by making the insert either securely retained or completely removable with visible evidence. The retention lugs are designed to break away cleanly, providing positive tamper evidence rather than ambiguous partial retention states

Inventive Principle:

Principle #13The other way round (Inversion)

2Reliability

If the retention lugs are made strong and permanent, then the tamper-proof capability is improved, but the device complexity increases

Engineering Contradiction:

Improvetamper-proof capabilityVSAvoidstructural complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The retention lugs are merged with the circumferential surface of the insert as an integrated feature rather than separate components. This combining simplifies the overall structure while maintaining effective retention capability, as the lugs are simply extensions of the insert body that engage with the container interior

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The retention lugs are designed as disposable sacrificial elements that may break away during tampering attempts. Rather than designing for permanent retention, the invention accepts that the lugs may be destroyed, providing clear tamper evidence. This approach simplifies the structure by not requiring complex reusable retention mechanisms

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Data Source

PatentUS10618710B1Tamper-proof container insert

Publication Date: 2020.04.14 LAIBLE RODNEY

AI summary

A tamper-proof insert for use with a closed loop system, a dispensing system, a gravity draining system or other systems. The insert is designed to be inserted into the throat of a container such as a bottle. A retention lug ring is secured to the lower end of the insert. The upper ends of the retention lugs of the retention lug ring engage the inside of the container to prevent the insert from being manually pulled upwardly and outwardly from the throat of the container. If the insert is pulled from the container against the resistance of the retention lugs, the lugs will break-away from the insert and it will be evident that the insert has experienced tampering.