Vented Beverage Lid Closure for One-Handed Spill Prevention
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Solution Overview
Problem
Existing beverage container lids lack a mechanism to selectively open and close fluid-tight seals efficiently, often leading to spills when tipped or dropped, and fail to manage pressure buildup in closed containers, causing liquid or gas to spray when opened.
Innovation Solution
A beverage container closure with a selectively openable stopper and actuating lever that allows for one-handed operation using minimal force, combined with a pressure-venting mechanism that prevents liquid or gas spray by releasing pressure before opening the drinking opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a solid unitary lid without openings is used, then spill prevention is improved, but ease of operation deteriorates as users must remove the lid to drink
Solution Approach 1:
The lid is segmented into a body and a separately movable stopper component. The stopper can be independently opened or closed while the lid remains attached to the container, allowing users to drink without removing the entire lid assembly.
Solution Approach 2:
The stopper is designed as a dynamic component that can transition between closed (sealed) and open (drinking) positions. This dynamic capability allows the lid to adapt between spill prevention mode and drinking mode without requiring complete removal of the lid.
2Ease of operation
If a unitary lid with unobstructed apertures is used, then ease of operation is improved, but spill prevention deteriorates as contents may spill when tipped or dropped
Solution Approach 1:
The stopper provides dynamic control over the aperture opening. Users can close the stopper to seal the aperture for spill prevention, or open it for drinking, transforming a static aperture into a controllable opening.
3Reliability
If a lid with selective aperture control is used, then spill prevention is improved, but device complexity increases due to additional opening/closing mechanisms
Solution Approach 1:
The stopping mechanism is segmented as a separate, self-contained component within the lid body. This modular segmentation allows the control function to be added without significantly complicating the overall lid structure.
Solution Approach 2:
The stopper mechanism is designed to be user-operated through simple manual manipulation, eliminating the need for complex motors, sensors, or control systems. The user directly controls the opening and closing action.
4Reliability
If pressure builds up in a closed container, then seal integrity is maintained, but harmful factors increase as liquid or gas may spray when opened
Solution Approach 1:
The venting mechanism provides a preliminary pressure release pathway before the stopper is opened. This preliminary action prevents pressure buildup that would otherwise cause spraying when the aperture is opened.
Solution Approach 2:
The venting function is extracted as a separate mechanism from the stopper assembly. This dedicated extraction allows pressure management to be handled independently from the drinking function.
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
Enables efficient, one-handed operation of the lid to open and close the container without spills, while preventing pressure-related liquid or gas spray when opening, enhancing user convenience and safety.
Implementation Method 1
a spring positioned within the stopper assembly and configured to bias the stopper toward the closed position
Implementation Method 2
an actuating lever configured to press the button when a user applies an inward force to the lever
Implementation Method 3
the vent seal and the stopper are configured to together provide a venting mechanism that prevents the spray of liquid or gas
Data Source
AI summary
A beverage container closure or lid adapted for closing an open end of a beverage container. The lid is couplable to the beverage container and includes a selectively openable stopper that when closed, creates a fluid-tight seal between the beverage container and the environment. The stopper may be opened by pressing a button disposed on a side of the beverage container closure. The stopper is subsequently automatically closed when the button is released. Thus, the user may open and close the beverage container closure using a single hand without the need to remove the beverage container closure from the beverage container. The beverage container closure includes an actuating lever configured to press the button when a user applies a force to the lever. By utilizing the mechanical advantage provided by the lever, a user is able to selectively open and close the stopper using a relatively low amount of force.