Disposable Cup Lid With Raised Drinking Area and Locking Closure
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Solution Overview
Problem
Existing disposable cup lids interfere with drinking, often causing spillage due to design flaws such as an openable portion that does not stay secure, inadequate angle for comfortable consumption, and requiring removal for adding condiments, leading to increased spillage risks.
Innovation Solution
A disposable cup lid with a raised portion and angled design that includes a movable closure member and gripping mechanism, allowing for comfortable drinking without removing the lid, while providing a clearance area for the nose and a drink-through opening that can accommodate condiments, minimizing spillage and enhancing the drinking experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a small openable portion is provided in the cup lid, then beverage exposure to ambient conditions is reduced and spillage area is minimized, but the openable portion interferes with drinking comfort and may not stay secured in open position
Solution Approach 1:
The patent introduces a raised portion that extends upwardly from the cup lid body, creating a vertical dimension that separates the drinking surface from the top surface. This dimensional change allows the openable portion to be positioned on the raised portion rather than the main lid body, moving it away from the user's face and improving drinking comfort while maintaining spillage prevention functionality.
Solution Approach 2:
The patent creates different functional zones on the lid surface by introducing the raised portion. The top surface maintains a flat, sealed configuration for spillage prevention, while the raised portion provides a dedicated area with different geometric properties (angled surfaces, clearance space) optimized for the openable portion and drinking interaction. This local differentiation resolves the conflict between sealed containment and comfortable access.
2Ease of operation
If the openable portion extends upwardly above the central region of the cup lid, then drinking access is provided, but it interferes with the upper lip or nose of a person consuming the beverage
Solution Approach 1:
By elevating the openable portion to the raised portion that extends upwardly from the main lid body, the invention creates vertical separation between the drinking aperture and the top lid surface. This dimensional repositioning allows the opening to be located at an optimal height and angle that provides drinking access without the openable portion extending into the user's facial space, thereby eliminating interference with the upper lip or nose.
3Reliability
If a small fixed opening is provided in the cup lid, then spillage is minimized, but the lid must be removed to add condiments
Solution Approach 1:
The patent transforms the static fixed opening into a dynamic openable portion through the inclusion of a breakable seal and flexible membrane. The opening can transition between closed (for spillage prevention) and open (for condiment addition) states. This dynamic capability allows the same aperture to serve multiple functions: minimizing spillage during transport and enabling easy condiment addition during use, without requiring lid removal.
4Ease of operation
If the lid is removed from the cup to add condiments, then condiments can be added easily, but the risk of spillage increases
Solution Approach 1:
The breakable seal and flexible membrane create a dynamic sealing system that transitions from a fully sealed state (preventing spillage) to an open state (allowing condiment addition). Users can puncture the seal to open the aperture for adding condiments, then reseal it by pressing the membrane back into place. This dynamic sealing capability eliminates the need to remove the lid entirely, allowing condiment addition while maintaining spillage prevention through the reversible sealing mechanism.
Data Source
AI summary
A disposable cup lid including a body and a mounting portion extending around the periphery of the body. The body defines a suitably shaped clearance area to accommodate a person's nose when drinking the contents of a cup having the lid positioned thereon. The body also defines an enhanced drinking area which is suitably configured to provide a person with a drinking experience more similar to the drinking experience of drinking from an uncovered cup or glass. In one embodiment, the body includes a raised portion which defines a lip engaging front wall and an enhanced drinking area. The enhanced drinking area includes a closure member having an upwardly extending gripping member and a drink-through opening initially covered by the closure member, wherein the drink-through opening is positioned substantially adjacent to the lip engaging front wall. The closure member is movable about a hinge from an initial closed position to an open position. The closure member of the top wall is also movable into a locking position wherein the gripping member frictionally engages the walls of a locking recess.