Snap-On Sippy Cup Lid for Spill-Resistant Beverage Cans
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Solution Overview
Problem
Beverage cans with stay-tab opening mechanisms lack a mechanism to prevent spillage when being consumed, particularly posing a challenge for children who may spill beverages while trying to drink from them.
Innovation Solution
A removable sippy cup lid with a drinking spout and a flexible groove designed to snap over the rim of an opened beverage can, forming a seal to prevent spills, where the spout extends upward for easy drinking and the groove widens to fit the rim under pressure, ensuring a secure fit and spill-proof design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a beverage can uses a stay-tab opening mechanism, then the can can be easily opened, but there is no mechanism to prevent spillage when drinking
Solution Approach 1:
The sippy cup lid is designed to fit over the existing beverage can lid, with the spout nested within the can opening. The groove on the sippy cup lid receives and secures the can rim, creating a nested structure where the spout is positioned inside the can opening, allowing children to drink without spilling while maintaining the original can's easy-opening feature
Solution Approach 2:
The sippy cup lid acts as an intermediary device between the beverage can and the user's mouth. It includes a spout that directs liquid flow and a groove that secures the can rim, mediating the drinking process to prevent spillage while allowing the can's original opening mechanism to remain functional
2Reliability
If a sippy cup lid is added to prevent spillage, then spillage is prevented, but the device complexity increases
Solution Approach 1:
The groove on the sippy cup lid is formed from flexible material that can elastically deform during the snapping process. This flexibility allows the groove to expand and contract as the lid is attached to or removed from the can, simplifying the attachment mechanism while maintaining a secure seal
Solution Approach 2:
The sippy cup lid is designed as a separate, removable component that can be independently attached to and removed from the beverage can. This segmentation allows the spill-prevention feature to be added without permanently modifying the can structure, maintaining simplicity while providing the needed functionality
3Ease of operation
If the groove is made from flexible material to snap over the rim, then the lid can be easily attached and removed, but the seal reliability may be compromised
Solution Approach 1:
The groove's flexible material undergoes parameter changes during attachment - it elastically deforms to expand around the can rim during snapping, then contracts to maintain continuous contact and sealing pressure. This dynamic parameter change allows easy attachment while maintaining reliable sealing
Solution Approach 2:
The flexible material in the groove provides beforehand cushioning by elastically deforming to accommodate the can rim during attachment. This cushioning effect absorbs attachment forces and ensures the groove maintains consistent contact with the rim, preventing leakage while allowing easy on/off operation
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The sippy cup lid effectively prevents spillage from opened beverage cans by forming a secure seal with the can's rim, allowing users, especially children, to drink without spilling, enhancing convenience and safety.
Implementation Method 1
The groove is made out of flexible material, where the width of the opening widens to the thickness of the rim of the lid of the beverage can as pressure is applied to the sippy cup lid to snap over the rim of the lid of the beverage can
Implementation Method 2
a groove about its edge sized to receive and snap over a circular outer rim of the lid of the beverage can to form a seal
Data Source
AI summary
A removable sippy cup lid configured to be placed securely onto an opened beverage can. The removable sippy cup lid includes a drinking spout shaped to correspond to the cavity opening in the beverage can lid. Furthermore, the sippy cup lid includes a groove about its edge sized to receive and snap over a circular outer rim of the beverage can lid to form a seal. The groove includes an arc shaped channel cross section that bends inward leaving an opening at a distal end, where the opening covers the beverage can rim. A width of the opening is less than a thickness of the beverage can rim in a resting position. The groove is made out of flexible material such that the width of the opening widens to the thickness of the beverage can rim as pressure is applied to the sippy cup lid to snap over the rim.