Disposable Lid with Compartment for Controlled Beverage Flow
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Solution Overview
Problem
Existing disposable lids for beverage containers fail to prevent spills and burns from hot beverages, as they either allow excessive flow or require removal, leading to leakage and discomfort during consumption, and are not cost-effective for mass production.
Innovation Solution
A disposable lid with a compartment below the container's rim, featuring small openings and a protrusion that allows controlled beverage flow, enabling direct drinking from the container's rim while trapping some beverage to cool and filter out particles, thus reducing spill risk and burn discomfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a large opening is provided in the lid for direct drinking, then ease of operation is improved, but the risk of spillage and burns increases
Solution Approach 1:
The lid is segmented into multiple functional zones: a first opening for drinking, a second opening for aroma, and a raised portion with a spout. This segmentation allows each zone to serve a specific function - the first opening provides controlled drinking access, the second opening allows aroma escape, and the raised portion prevents spills during transportation.
Solution Approach 2:
Different regions of the lid have different structural properties tailored to their functions. The raised portion has a higher structure to prevent spills, the first opening area has a specific geometry for controlled flow, and the second opening area allows aroma passage. This local differentiation of structural quality optimizes both safety and usability.
2Reliability
If the lid structure is made complex to prevent spills and control flow, then reliability is improved, but manufacturing cost increases
Solution Approach 1:
The raised portion serves multiple functions: it acts as a spill barrier during transportation, forms a spout for controlled beverage flow, and creates a barrier to prevent direct contact between the beverage and the user's lips. This multi-functionality reduces the need for additional separate components, thereby controlling manufacturing costs while improving reliability.
Solution Approach 2:
The spout is formed as an integrated feature within the raised portion of the lid, nesting the spout function within the broader spill-prevention structure. This nested design eliminates the need for separate spout components and reduces overall part count, making the complex leak-proof structure more cost-effective to manufacture.
3Object-affected harmful factors
If a spout is added to control beverage flow, then burn risk is reduced, but device complexity increases
Solution Approach 1:
The spout is merged with the raised portion of the lid to form an integrated structure. The raised portion and spout work together as a unified spill-prevention and flow-control mechanism, eliminating the need for separate spout components and reducing overall device complexity while maintaining burn protection.
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 solution provides a leak-proof and comfortable drinking experience by controlling beverage flow and temperature, reducing spillage and burn risks, while being cost-effective for mass production.
Implementation Method 1
the floor provided with a protrusion reaching above the compartment, but below the top of the container, and the protrusion provided with openings for the beverage to pass through
Implementation Method 2
enabling some part of the beverage to remain in the compartment during consumption
Implementation Method 3
enabling some part of the beverage to remain in the compartment during consumption
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a disposable lid (100) for containers with beverages, especially hot beverages, such as coffee and tea, comprising an open part 130 where a compartment (145) is created, enabling a person to drink directly from the top of the container (200), and where the compartment is limited by a floor (140). One embodiment includes an integrated filter with narrow slits to hinder particles, such as coffee grains or tea leaves to enter the mouth of the consumer of the beverage. Another embodiment comprises an arrangement to slow down the beverage flow to enter the drinking compartment, and optionally including a cooling surface for the beverage. The lid (100) may be provided with an auxiliary lid to be attached to reduce the risk for spill to a minimum.