Tamper-Evident Lid With Locking Channel And Release Tab
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional closure systems for single-use or single-serve packaging are prone to premature unsealing, leading to spills and tampering, and lack a secure and tamper-evident mechanism, making them unsafe and unreliable for on-the-go consumption and storage.
Innovation Solution
A closure system featuring a lid with a release tab and locking channel that securely engages with the container rim, providing a tamper-evident seal and preventing spills, while being easy to manufacture and use, with a design that includes a flange and lip connected by an inverted U-shaped channel for secure fit and a locking tab for tamper-proofing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional lid is placed over the top of the cup, then the lid can be easily positioned and applied, but the lid can be easily displaced when the cup tips over or is jostled
Solution Approach 1:
The closure system is divided into separate functional components: a lid portion for sealing and a distinct locking mechanism with locking tabs that engage with the container rim. This segmentation allows the lid to be easily applied while the separate locking features provide secure attachment prevention
Solution Approach 2:
The locking tabs are pre-configured on the closure to automatically engage with corresponding features on the container rim when the lid is applied. This preliminary positioning of locking elements ensures that security is established before the container is subjected to jostling or tipping forces
2Object-generated harmful factors
If a foil or plastic film is placed over the opening to prevent spilling, then the sealing function is provided, but the lid can still be easily displaced when bumped or jostled
Solution Approach 1:
The sealing function and locking function are merged into a single integrated closure component. The closure includes both a sealing surface that contacts the container opening and locking tabs that engage with the rim, combining spill prevention and displacement resistance in one element rather than using separate film and lid components
Solution Approach 2:
The locking tabs are designed with curved or angled surfaces that mate with corresponding features on the container rim, creating a interlocking geometry that resists displacement forces from bumping or jostling while maintaining the seal
3Reliability
If a secure locking closure system is implemented, then spill prevention and tamper evidence are improved, but the manufacturing cost and complexity increase
Solution Approach 1:
The closure is designed as a multi-functional component that simultaneously provides sealing, locking, and tamper-evident features in a single molded piece. This universality eliminates the need for multiple separate components, reducing assembly steps and manufacturing complexity while maintaining high security performance
Solution Approach 2:
The locking tabs and sealing surfaces are designed to self-align and self-lock when the closure is applied to the container. The geometry of the locking features automatically engages with the container rim without requiring additional fastening operations, and the tamper-evident features automatically indicate compromise, reducing the need for complex monitoring systems
Data Source
AI summary
The present invention relates generally to the field of closure devices for consumer products, including both liquid and dry products. More specifically, the present invention relates to a lid or closure for consumer goods packaging that provides a secure locking engagement to prevent spilling, leakage, and/or tampering of the contents of the packaging. The unique closure device utilizes a combination of a release tab and locking elements, which cooperate with one another in order to seal or unseal at least a portion of the lid or closure to allow for dispensing of the contents of the container.