Spill-Resistant Cup with Insert Chamber for Valve-Free Drinking
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Solution Overview
Problem
Children transitioning from baby bottles to regular cups face difficulties due to differences in drinking mechanisms, leading to spills, and existing sippy cups can cause ear pain, dental issues, and discourage proper drinking techniques. Additionally, there is a need for a spill-resistant cup that does not rely on valves and can be used by individuals with dexterity issues or for hot beverages.
Innovation Solution
A spill-resistant cup design featuring a hollow body with flat panels that rest on when tipped, a lid with a trough and vent hole, and an insert that divides the cup into chambers, allowing liquid to travel only through controlled openings, simulating regular cup drinking while preventing spills.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sippy cup with valve is used, then spill resistance is improved, but drinking mechanism similarity to baby bottle increases causing ear pain and dental issues
Solution Approach 1:
The patent removes the valve component entirely from the cup design. Instead of using a valve mechanism to control liquid flow, the invention uses a simple open top opening that allows children to drink naturally by tilting the cup, eliminating the harmful sucking action while maintaining spill resistance through the cup's geometry and flat base design.
2Reliability
If a sippy cup with valve is used, then spill resistance is improved, but cleaning difficulty increases
Solution Approach 1:
By eliminating the valve component, the patent removes the complex internal structure that is difficult to clean. The resulting design features a simple, open cup interior with smooth surfaces that can be easily washed and sanitized, while spill resistance is achieved through the cup's overall shape and flat base rather than complex internal mechanisms.
3Reliability
If a sippy cup is used, then spill resistance is improved, but proper drinking technique learning is discouraged
Solution Approach 1:
Instead of designing a cup that adapts to improper holding angles (as sippy cups do), this invention inverts the approach by designing a cup that requires and rewards proper holding technique. The flat base and open top encourage the child to hold the cup upright and tilt it intentionally to drink, teaching proper drinking mechanics while the flat base provides stability to prevent accidental spills.
4Temperature
If a cooling chamber is added to hot beverage cup, then cooling function is improved, but device complexity increases
Solution Approach 1:
The patent divides the cup into distinct functional zones: an upper drinking chamber and a lower cooling chamber separated by a partition. This segmentation allows the cooling chamber to contain ice or cold water that cools the beverage in the upper chamber through thermal conduction and convection, providing active cooling functionality while maintaining a relatively simple overall cup structure.
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 cup effectively prevents spills without a valve, encourages proper holding and drinking techniques, and allows hot beverages to remain hot while allowing a portion to cool, suitable for various populations including children and the elderly.
Implementation Method 1
allows hot beverages to remain hot while allowing a portion to cool
Implementation Method 2
allows hot beverages to remain hot while allowing a portion to cool
Data Source
AI summary
A spill resistant cup comprising: a substantially hollow body; a lid, where the lid is removably attached to the body such that the lid spans the top of the body and where the top of the lid has an opening; and an insert located between and spaced from the top of the lid and the bottom of the body, where the insert has an elevated opening and where the opening in the insert aligns with the opening in the lid. The insert, along with the alignment of the openings, allows a user to drink from the cup unimpeded while preventing liquid from within the cup from spilling out in significant quantities when the cup is tipped over.