Take-Away Food Package With Non-Stick Baking Paper Liner
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Solution Overview
Problem
Existing portable food packages, such as pizza boxes, fail to effectively preserve the temperature, humidity, and organoleptic features of take-away food during transport, leading to food deterioration and structural damage due to contact with cardboard and accidental movements.
Innovation Solution
A laminar coating sheet made of non-stick baking paper is coupled to the inner surfaces of the package, providing a non-stick surface that maintains food integrity and temperature while preventing liquid spills and structural deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If food is placed directly on cardboard in the portable package, then the package structure is simple and economical, but the food loses organoleptic features (fragrance, crunchiness) and the cardboard gets damaged by liquid spills
Solution Approach 1:
A paper liner is introduced as an intermediary element between the food and the cardboard box. The liner serves multiple functions: it prevents direct contact between food and cardboard, absorbs liquid spills, and maintains food quality. This mediator resolves the contradiction by allowing the simple cardboard structure to remain while adding a thin protective layer that preserves food organoleptic features.
Solution Approach 2:
The package becomes a composite structure combining cardboard (for structural integrity) and paper liner (for food protection). The liner is made of food-grade paper with specific properties (porosity, absorption capacity) that complement the cardboard, creating a multi-material system that achieves both structural simplicity and food quality preservation.
2Ease of manufacture
If the package uses only cardboard material, then the package is economical and easy to manufacture, but it fails to maintain food temperature and humidity effectively
Solution Approach 1:
The paper liner acts as a thermal and moisture barrier layer within the composite package structure. While cardboard provides structural support, the paper liner with its specific porosity and fiber structure creates micro-environment conditions that help maintain food temperature and humidity, improving thermal performance without requiring complex insulation materials.
3Strength
If the package is made of corrugated cardboard, then the package provides structural strength, but liquid spills from hot food wet, soak and damage the cardboard causing deformation
Solution Approach 1:
The paper liner serves as a protective intermediary that absorbs liquid spills before they reach the cardboard. It acts as a sacrificial barrier that gets damaged instead of the structural cardboard, preventing deformation and maintaining package integrity even when food spills occur.
Solution Approach 2:
The paper liner is designed as a disposable protective element that absorbs the damage from liquid spills. It is economically viable to replace the thin paper liner rather than the entire cardboard structure, allowing the package to maintain its strength while the liner takes the hit from harmful liquid exposure.
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 non-stick baking paper preserves the taste and crunchiness of food, reduces spills, and minimizes structural damage to the package, ensuring a better consumption experience.
Implementation Method 1
rash movements, however fortuitous, suffered by the portable and openable package during transport, and the elevated cooking temperature of the food contained therein, cause annoying and unwanted spills of food substances (generally mushrooms, melted mozzarella and so on) on the inner face of the aforesaid first base portion (or bottom) of the support casing itself which inevitably wet, soak and damage the involved portion of the support casing
Data Source
Figure 1~2a
Figure 3~4
AI summary
A portable and openable package (1 ) for containing and transporting cooked take-away food comprising a support casing (2) made of cardboard for food use and provided with a first base portion (3) and a second covering portion (4) separated from each other through weakening means (5) which make such portions (3, 4) mutually foldable so that the support casing (2) takes at least a rest position, in which an inner face (3a) of the first base portion (3) and an inner surface (4a) of the second covering portion (4) are substantially mutually coplanar and the portable package (1 ) is in an open condition, and an operating position, in which the inner surface (4a) of the second covering portion (4) faces the inner face (3a) of the first base portion (3) from above and the portable package (1 ) is in a closed condition to cover one or more take-away food items temporarily arranged on the inner face (3a) of the first base portion (3). In particular, the portable package (1 ) includes a laminar coating sheet (6) made of non-stick baking paper and stably coupled, through gluing means, to at least one part of the inner face (3a) of the first base portion (3) and/or of the inner surface (4a) of the second covering portion (4).