Tamper-Evident Wallet Packaging for Secure Card Delivery

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Solution Overview

Problem

Current packaging methods for chip and magnetic stripe cards lack protection and tamper-proof features, making them vulnerable to interception and tampering, as they do not provide a clear indication of whether the card has been separated from its packaging or if the envelope has been opened.

Innovation Solution

The packaging design includes a first and second cover connected by a hinge, with a tongue that can be fastened to secure the covers closed, featuring a securing element such as adhesive that remains visible if the packaging is opened, providing a clear indication of tampering, and includes a document pouch and planar item retaining flap to protect the card.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a thin sheet of paper is used to package the card, then the packaging is simple and easy to handle, but the card becomes vulnerable to interception and tampering with no protection

Engineering Contradiction:
Improvepackaging structureVSAvoidcard security
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The packaging is divided into multiple functional components: a rigid outer envelope, an inner protective pouch, and a separate card holder. This segmentation allows each component to serve its specific protective function while maintaining overall simplicity. The rigid envelope provides external protection, the inner pouch prevents direct contact, and the card holder secures the card in place.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The packaging uses a nested structure where the card is placed in an inner protective pouch, which is then placed in a rigid outer envelope. This nested arrangement provides multiple layers of protection without significantly increasing the overall size or complexity. The inner pouch is nested within the outer envelope, creating a compact multi-protective structure.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Ease of operation

If pre-formed envelopes are used to send cards, then the packaging is ready-to-use, but the envelopes can be opened and resealed without the recipient noticing

Engineering Contradiction:
Improvepackaging usabilityVSAvoidtamper proof capability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The packaging includes pre-applied tamper-evident features such as tear-off strips, perforated seals, and pre-positioned protective elements. These features are prepared in advance during manufacturing, allowing the recipient to immediately identify if the envelope has been opened or tampered with without requiring any additional inspection or action.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The packaging incorporates visual indicators such as color-changing adhesive strips or differently colored seal areas that change appearance when tampered with. The seal area may have a distinct color or pattern that remains intact during normal use but changes visibly if the envelope is opened or resealed, providing immediate tamper evidence.

Inventive Principle:
Principle #32Color changes

3Ease of manufacture

If the card is fixed to pre-cut tabs on a pre-printed letter-headed sheet, then the packaging is simple and cost-effective, but the card may become detached with no indication of tampering

Engineering Contradiction:
Improvepackaging productionVSAvoidcard attachment security
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The packaging merges multiple functions into integrated components: the card holder combines the card attachment function with the protective pouch, and the outer envelope integrates the sealing and tamper-evident features. This merging ensures that the card remains securely attached while providing protection and tamper indication, all within a single unified packaging structure that is easy to manufacture.

Inventive Principle:
Principle #5Merging (Combining)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution offers enhanced protection and a clear visual indication of tampering, ensuring the secure delivery of sensitive documents like bank or SIM cards by preventing unauthorized access and damage.

Implementation Method 1

the securing element comprises an adhesive on one of the tongue and first or second cover

Methodology Applied
Scientific EffectAdhesive: Adhesive

Data Source

PatentEP2662305B8Packaging with tamper proof feature
Publication Date: 2015.02.18 OBERTHUR TECH SA

AI summary

Packaging in the form of a wallet (100), generally shown in Figure 1, having first and second covers (20,21) joined along a common hinged edge (60). The first cover (20) has one or more fastening elements and the second cover (21) is arranged to receive the fastening element(s). There is also a securing means to attach to the element(s) so that if the element(s) are removed the securing element removes part of the second cover (21).