Ergonomic Pull-Tab Seal Removal Tool for Cartons
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pull-tab seal systems for paper cartons require significant dexterity and force to open, posing difficulties for users with disabilities or those with limited hand strength, and often result in seal failure and contamination of contents.
Innovation Solution
A tool with an ergonomic design featuring a body portion, extraction shaft, and cover that allows for easy engagement and removal of the seal, reducing the need for manual dexterity and force, and includes a piercing element to safely separate the seal from the spout.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual pull-tab seal systems are used, then the sealing provides tamper-resistance and freshness protection, but the opening process requires significant dexterity and force that users with disabilities or limited hand strength cannot provide
Solution Approach 1:
The patent introduces an intermediary tool (seal remover device) that mediates between the user and the pull-tab seal. The device includes a body that engages with the pull-tab and an extraction mechanism that leverages mechanical advantage to remove the seal without requiring the user to directly apply force to the small pull-tab, thus resolving the contradiction between maintaining seal integrity and enabling easy removal for users with limited hand strength
Solution Approach 2:
The seal removal process is segmented into distinct functional components: an engagement component that interfaces with the pull-tab, an extraction shaft that applies force, and a body that provides structural support and mechanical advantage. This segmentation allows each component to be optimized for its specific function, enabling reliable seal removal with minimal user effort
2Device complexity
If traditional pull-tab seals are used, then the packaging maintains simplicity and cost-effectiveness, but the seal often fails during removal resulting in contamination of contents
Solution Approach 1:
The intermediary seal remover device provides controlled force application and proper engagement with the pull-tab mechanism, preventing the seal from failing or tearing during removal. This mediator ensures reliable seal removal without compromising the simplicity of the original packaging design or requiring changes to the seal structure itself
3Ease of operation
If the pull-tab seal is designed for easy removal, then users with disabilities can open the package, but the seal may become too weak to provide adequate tamper-resistance and freshness protection
Solution Approach 1:
The system segments the sealing function into two independent parts: the seal itself (which maintains tamper-resistance and freshness protection) and the removal mechanism (which provides ease of opening). The seal remover device interfaces with the pull-tab without modifying the seal structure, allowing the seal to maintain its protective properties while enabling easy removal through the intermediary tool
Data Source
AI summary
Systems, methods, and apparatus for pull-tab seal removal are provided. An extraction tool for removal of integrated pull-tab seals from containers may comprise a cover slidably coupled to a body portion in which an extraction shaft and/or a seal gap separator operate to remove the seal while requiring less dexterity and/or less applied force than would otherwise be required.