Tamper-Evident Plug with Anti-Glug Tabs for Bulk Oil Containers
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Solution Overview
Problem
Existing closure technologies for bulk containers, particularly for edible oils and other liquids, lack a low-profile, resealable, and cost-effective solution that can be easily manufactured and snap-fit or crimped onto large containers, failing to address the specific needs of bulk shipments.
Innovation Solution
A single-piece closure plug with a base panel, hinged panel, and removable diaphragm that can be snap-fit or force-fitted onto containers, featuring a cylindrical skirt with angled engagement sections and anti-glug tabs, allowing for a low-profile seal and resealable design without the need for gaskets, and can be made from recyclable materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a low cost plug is used for bulk containers, then manufacturing cost is reduced, but the closure may lack resealability and anti-glug features
Solution Approach 1:
The closure is divided into distinct functional segments: a base panel for sealing, a hinged panel for resealability, and anti-glug tabs for flow control. Each segment performs its specific function independently, allowing the overall system to achieve multiple features (resealability, anti-glug) while maintaining manufacturing simplicity through modular design
Solution Approach 2:
Multiple functions are merged into a single integrated closure structure. The base panel, hinged panel, and anti-glug tabs are combined into one piece that can be snap-fit onto the container, eliminating the need for separate components and reducing manufacturing complexity while providing comprehensive functionality
2Reliability
If a high profile closure is used, then sealing effectiveness is improved, but vertical stacking of containers is obstructed
Solution Approach 1:
The sealing effectiveness is achieved not through vertical height but through horizontal engagement features. The anti-glug tabs extend inward horizontally to control flow, and the hinged panel seals against the container opening horizontally, allowing effective sealing without increasing the vertical profile height
3Reliability
If a complex closure design with multiple components is used, then functionality is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The closure integrates multiple functional components into a single molded piece. The base panel, hinged panel, and anti-glug tabs are all formed as one unified structure, eliminating the need for separate manufacturing and assembly steps while maintaining all necessary functions (sealing, resealability, flow control)
Solution Approach 2:
The single-piece closure design serves multiple functions simultaneously: the base panel provides initial sealing, the hinged panel enables resealability, and the anti-glug tabs control liquid flow. This multi-functionality is achieved within a single structural entity, reducing overall system complexity
Data Source
AI summary
A resealable, tamper-evident, low cost plug for an edible oil (or other foodstuffs) container is contemplated. The plug includes a single-piece, hinged construction with the base panel having a removable diaphragm revealing an opening that is sealed by structure provided on the hinged panel. Smooth pouring features may also be incorporated within and/or beneath the opening.