Disposable cutting boards
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Solution Overview
Problem
Traditional cutting boards and disposable cutting sheets fail to prevent food contamination and lack the rigidity to support heavy food items, while paper products are inadequate in size and rigidity for effective food preparation and containment of liquids.
Innovation Solution
A disposable cutting board with a large surface area, low profile, and high rigidity, featuring a bottom panel, sidewall, flange, and annular transitions, made from pressed paperboard with a recessed channel to collect liquids, providing structural integrity and stability during food preparation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If disposable cutting sheets are made from thin plastic films, then food contamination is reduced, but rigidity and ability to support heavy food items deteriorates
Solution Approach 1:
The cutting board is made from compressed fiberboard or particle board - composite materials that combine wood fibers or particles with binders under heat and pressure. This creates a rigid, stable structure that supports heavy food items while remaining disposable and non-porous for food safety.
Solution Approach 2:
The invention changes the material parameters from thin plastic films to thick, dense compressed wood fiber or particle boards with controlled density, thickness (0.5-2 inches), and compression strength to achieve the required rigidity while maintaining disposability.
2Area of moving object
If paper products are made larger to provide sufficient surface area, then food preparation space is improved, but rigidity and ability to contain liquids deteriorates
Solution Approach 1:
The invention uses composite wood fiber or particle board materials that provide both large surface area and inherent rigidity, eliminating the trade-off between size and structural strength.
Solution Approach 2:
The invention changes the material density, thickness, and compression parameters to achieve a product that maintains rigidity while providing sufficient surface area for food preparation and liquid containment.
3Ease of manufacture
If paper products are made thinner to reduce cost, then manufacturing cost is reduced, but ability to support heavy food items and contain liquids deteriorates
Solution Approach 1:
The invention uses compressed fiberboard or particle board that provides high strength-to-cost ratio, supporting heavy food items while remaining economical for disposable applications.
Solution Approach 2:
The invention optimizes material parameters including thickness (0.5-2 inches), density, and compression strength to achieve the minimum required load-bearing capacity at the lowest manufacturing cost.
Data Source
AI summary
Pressware products, such as disposable cutting boards and trays, are provided. A disposable cutting board can include an inner sidewall extending upwardly from a bottom panel, a flange portion that extends outwardly from the sidewall, a first annular transition extending upwardly and outwardly from the bottom panel to a first end of the sidewall, and a second annular transition extending outwardly from a second end of the sidewall to a first end of the flange. The bottom panel can have a surface area of about 300 cm2 to about 1,000 cm2, and the disposable cutting board can have a height of about 3 mm to about 10 mm. The disposable cutting board can further have an FPI rigidity of about 85 grams or more and a product to blank perimeter (P1/P2) ratio of about 90% to about 99%.