Plate
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Solution Overview
Problem
Traditional reusable and disposable plates face issues with sanitation, waste generation, and stability, particularly for children due to their cantilevered edges and tendency to slide and tip.
Innovation Solution
A plate assembly comprising a hoop with a specific profile and cross-section shape that provides structural integrity to a plate shell, allowing the hoop to be either separate or integrated within the plate shell, enhancing stability and reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If disposable plates are used, then sanitation is improved, but waste generation increases
Solution Approach 1:
The plate is divided into two segments: a reusable plate body and a disposable liner. The liner can be removed and discarded after use, while the plate body is retained for future use. This segmentation allows the sanitary function to be achieved through discarding only the contaminated liner portion, rather than the entire plate, thus reducing waste generation while maintaining sanitation standards.
2Strength
If integral rim is added to disposable plates, then structural strength is improved, but material usage increases
Solution Approach 1:
The rim structure is merged from the plate body into the liner component. The liner includes an integrated rim that provides the necessary structural strength and stability when the liner is in place, while the plate body can be made lighter and use less material since it doesn't need its own heavy rim structure. This merging allows strength to be provided only when needed (when liner is present) without permanently increasing material usage.
3Ease of operation
If cantilevered perimeter edge is used, then ease of holding is improved, but stability deteriorates
Solution Approach 1:
The plate design transitions from a static cantilevered edge to a dynamic rim structure provided by the liner. The liner's rim extends beyond the plate body perimeter, creating a stable edge that prevents sliding and tipping. This dynamic solution allows the plate to maintain stability throughout use, while still providing an extended edge for easy holding and serving operations.
Data Source
AI summary
A plate assembly that includes a hoop having a hoop profile shape and a hoop cross-section shape and a plate shell having a first surface the receives food to be eaten and a second surface defining a cavity on a bottom surface of the plate shell, the cavity having a plate shell profile shape and a plate shell cross-section shape. The cavity receives at least a portion of the hoop; and the hoop is removably engaged and disengaged with the cavity of the plate shell by hand and without the use of tools and provides structural integrity to the plate shell when engaged with the cavity. The plate shell is typically a disposable plastic plate shell having a thickness of about 0.008 of an inch or less.