Rotating Tool Severs Score Line for Full Panel Opening
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Solution Overview
Problem
Conventional beverage container end closures suffer from low, inconsistent, and uneven flow rates due to lack of consideration for inward air flow during pouring, and they are not suitable for resealing or storing foodstuffs, which require larger openings.
Innovation Solution
A fully openable end closure system with a rotating tool that severs a score line on the container panel, allowing for full panel removal and reapplication, featuring a safety fold to reduce sharp edges and a ramped tool for easy separation, which can be reused to secure the panel back in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single opening area of predetermined size is provided in conventional end closures, then the closure structure is simple and airtight, but the pouring flow rate is low, inconsistent, and uneven
Solution Approach 1:
The end closure panel is segmented into a removable portion and a retained portion through a score line. The removable portion can be completely separated from the container body, providing a large opening area for high and consistent pouring flow rate, while the retained portion maintains the basic closure structure.
2Productivity
If conventional end closures are designed for pouring with predetermined opening size, then the closure is simple to manufacture, but inward air flow for volume exchange is not considered, resulting in inconsistent pouring
Solution Approach 1:
The closure transitions from a static predetermined opening to a dynamic removable panel system. The panel can be completely removed to create a large opening that facilitates both outward liquid flow and inward air flow, enabling consistent pouring through proper volume exchange between liquid and air.
3Ease of operation
If the end panel is completely severed from the container body, then full access to container contents is achieved for smooth pouring and resealing, but sharp edges are exposed creating user injury risk
Solution Approach 1:
The score line, which creates a potentially harmful sharp edge when severed, is converted into a beneficial feature by folding it inward to form a safety fold. This fold protects users from the sharp edge while maintaining the complete separability of the panel for full access and smooth pouring.
4Ease of operation
If a rotating tool with ramp is used to sever the score line, then easy operation is achieved, but the device complexity increases compared to conventional opening methods
Solution Approach 1:
The opening tool uses a curved or helical ramp instead of a straight linear tool. This curved geometry allows the tool to progressively sever the score line around the container circumference through rotational motion, distributing the opening effort and making the operation easier while maintaining a relatively simple tool design.
Data Source
AI summary
A container for food and beverages with a fully opening end panel is provided. An end closure of the container has a generally circular end panel defined by a score line. A rotational opening tool is providing for contacting the end panel and separating the end panel from the score line upon rotation of the tool.