Tamper-Evident Sealable Bag Assembly With Note Tab Access
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Solution Overview
Problem
Conventional handled bags used in food delivery lack tamper-evidence and a secure mechanism to attach order information, increasing the risk of food tampering and the need for immediate opening to verify contents.
Innovation Solution
A tamper-evident bag assembly with integrally formed upper lateral portions and adhesive closure sections, featuring a pull tab and protective strip, ensuring visible signs of tampering and allowing secure attachment of notes like receipts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional handled bags are used for food delivery, then ease of operation is improved, but reliability is worsened due to lack of tamper evidence
Solution Approach 1:
The bag is divided into a body portion and a separate closure portion that can be independently manipulated. The closure portion includes adhesive sections that can be applied to seal the bag, while the body portion contains the food. This segmentation allows the bag to be easily opened and closed while providing reliable tamper evidence through the sealed closure portion.
Solution Approach 2:
The adhesive sections are pre-applied to the closure portion during manufacturing, and the bag is provided with a protective strip covering the adhesive. This preliminary preparation enables the user to simply peel off the protective strip and press the closure portion to seal the bag, providing both ease of operation and reliable tamper evidence without requiring complex actions at the point of use.
2Reliability
If the bag is sealed to prevent tampering, then reliability is improved, but ease of operation is worsened due to need for immediate opening to verify contents
Solution Approach 1:
A pull tab is introduced as an intermediary element that connects to the closure portion. The pull tab allows the user to easily open the sealed bag by pulling on this external element, eliminating the need to immediately manipulate the sealed closure portion itself. This provides both reliable sealing and easy verification of contents through simple pulling action.
3Reliability
If adhesive closure sections are added for sealing, then reliability is improved, but device complexity is worsened
Solution Approach 1:
The closure portion is merged with the body portion through integral formation in some embodiments, or through simple attachment in others. The adhesive sections are applied directly to the closure portion without requiring separate sealing mechanisms. This merging approach provides reliable sealing capability while avoiding the complexity of multiple separate components and assembly steps.
4Ease of operation
If a pull tab is added for easy opening, then ease of operation is improved, but device complexity is worsened
Solution Approach 1:
The pull tab is designed to serve multiple functions: it provides easy opening of the sealed bag, serves as a gripping element for handling, and in some embodiments can be removed entirely after sealing to simplify the bag structure. This multi-functionality justifies the addition of the pull tab component by providing several benefits from a single element.
Data Source
AI summary
A tamper-evident bag assembly that can be sealed to enclose contents within the bag assembly in a tamper-evident manner. The bag assembly is provided with closure tabs that can be folded over the top edges of the bag assembly and sealed to a side panel of the bag. Strategic portions of the bag assembly can be scored to indicate tampering if unsealing of the adhesive takes place. The bag assembly is also provided with a pull tab designed facilitate opening of the sealed bag assembly to reveal the contents contained therein. When the pull tab is used to open the sealed bag, the bag cannot be re-sealed.