Resealable Beverage Can Lid With Movable Panel Closure
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Solution Overview
Problem
Conventional beverage cans cannot be resealed after opening, leading to carbonation loss, spoilage, spillage risks, and contamination, which results in wastefulness and limited usage time.
Innovation Solution
A resealable beverage can lid design featuring a score line forming a detachable panel with two rivets and a tab portion that can be moved to open and close the lid, allowing for multiple uses without requiring special tools or increasing manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional beverage can lid is used, then the can can be opened easily, but the can cannot be resealed after opening
Solution Approach 1:
The lid panel is designed to transition from a fixed sealed state to a movable open state and back to a sealed state. The panel can be pushed into the can body to open and pulled back to close, creating a dynamic resealable mechanism that maintains ease of operation while adding versatility.
Solution Approach 2:
The lid is segmented into a detachable panel portion and the main lid body. The panel is separated from the fixed rim by score lines, allowing it to move independently for opening and closing operations while the rim remains anchored to provide structural stability.
2Ease of operation
If the lid panel is completely detached from the lid, then the opening is fully created, but the panel cannot be reused for resealing
Solution Approach 1:
Instead of complete detachment, the panel is designed to move dynamically between positioned states. The hinge connection allows the panel to swing into the can body for opening and return to the sealed position for resealing, enabling multiple reuse cycles.
Solution Approach 2:
The panel is recovered and retained on the lid through the hinge connection rather than being discarded. The hinge allows the panel to be pushed in for opening while maintaining its attachment, so it can be pulled back and reused for resealing multiple times.
3Ease of operation
If the panel is pushed into the can body to open, then the opening is created, but carbonation escapes and the beverage becomes flat
Solution Approach 1:
The dynamic resealable mechanism allows the panel to be quickly pushed in and pulled back out. This minimizes the time the opening is exposed, reducing carbonation escape compared to permanently open designs, while still allowing easy reopening when needed.
Solution Approach 2:
The panel is pre-positioned in a sealed state covering the opening. When opening is needed, it is quickly pushed in, and when closing is needed, it is pulled back to seal the opening before significant carbonation loss can occur, preserving the beverage.
4Adaptability or versatility
If a resealable mechanism is added to the lid, then the can can be closed again, but the device complexity increases
Solution Approach 1:
The lid is segmented into a movable panel and fixed rim connected by simple score lines. This segmentation creates a resealable mechanism without complex components, using only the material structure itself to provide the opening and closing functionality.
Solution Approach 2:
The hinge connection acts as a simple intermediary between the panel and rim, allowing movement while maintaining attachment. This simple hinge structure enables resealing functionality without introducing complex mechanisms or additional components.
Data Source
AI summary
A resealable beverage can lid has a lid having a top side having a score line forming a panel, a first rivet formed in the lid and extending outwardly from the top side of the lid, a second rivet formed in the panel and extending outwardly from the top side of the lid, and a tab portion having an extension portion with the tab portion connected to the first rivet and the extension portion connected to the second rivet.