Unglazed Earthenware Cooking Packaging for Moisture-Retaining Roasting

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Solution Overview

Problem

There is a lack of affordable and eco-friendly disposable packaging suitable for cooking or roasting fresh food directly in a roasting oven, as existing solutions are either too expensive or unsuitable for retaining nutrients through slow cooking methods.

Innovation Solution

A disposable packaging made from unglazed earthenware with a coating of permitted fat or oil, designed as a cooking vessel with a pot and lid, allowing for direct oven use and adaptable coating application for specific contents, along with optional features like a tamper-evident seal and easy opening mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If disposable packaging is made from unglazed earthenware for direct oven cooking, then cost-effectiveness and ecological friendliness are improved, but the packaging requires additional coating treatment to prevent moisture loss and ensure stability

Engineering Contradiction:

Improvecost-effectivenessVSAvoidcoating treatment

Core Design Contradiction:

Ease of manufactureVSDevice complexity

Solution Approach 1:

The packaging is pre-coated with fat or oil during manufacturing before reaching the consumer. This preliminary action ensures that the earthenware packaging is ready for direct use in oven cooking without requiring additional preparation steps by the consumer, while maintaining the cost-effectiveness and ecological benefits of disposable earthenware packaging.

Inventive Principle:

Principle #10Preliminary action

2Ease of manufacture

If the packaging is made from unglazed earthenware, then ecological friendliness and cost-effectiveness are improved, but moisture retention and stability are worsened without proper coating

Engineering Contradiction:

Improveecological friendlinessVSAvoidmoisture retention

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The surface properties of the earthenware packaging are modified by coating with fat or oil, which changes the porosity and moisture absorption characteristics. This parameter change allows the packaging to retain moisture effectively during oven cooking while maintaining the ecological benefits of using natural earthenware material.

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If the packaging is designed as a complete cooking vessel with lid and coating, then functionality for direct oven cooking is improved, but manufacturing complexity and cost increase

Engineering Contradiction:

Improvecooking functionalityVSAvoidmanufacturing process

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The disposable earthenware packaging is designed to serve multiple functions: it acts as both the cooking vessel and the serving dish, and includes an integrated lid for sealing. The fat or oil coating provides additional functions of moisture retention and non-stick properties. This multi-functionality is achieved through a streamlined manufacturing process that combines these features in a single production line, avoiding excessive complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

4Reliability

If the packaging uses traditional Roman pot design, then cooking performance is improved, but cost and ecological sustainability are worsened due to reusability requirements

Engineering Contradiction:

Improvecooking performanceVSAvoidcost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The invention applies the disposable concept to earthenware packaging, creating single-use cooking vessels that replicate the cooking performance of traditional Roman pots. By making the packaging disposable rather than reusable, the cost per use is reduced and ecological sustainability is improved, while the fat-coated earthenware maintains the desired cooking performance for direct oven use.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

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 cost-effective, ecologically friendly, and nutrient-retaining packaging option for cooking fresh food, ensuring stability and moisture retention while allowing for easy use and adaptation to different food types.

Implementation Method 1

at least the inside of the pot of the cooking vessel being coated with a permitted substance containing fat and/or oil

Methodology Applied

Scientific EffectAbsorption: Absorption (physical)

Implementation Method 2

the packaging consists of unglazed earthenware and is in the form of a cooking vessel

Methodology Applied

Scientific EffectHeat conduction: Conduction (thermal)

Data Source

PatentEP2030541B1Disposable packaging

Publication Date: 2011.10.05 BACHMANN HANSER ANDRE

Figure 1
Figure 2~3

AI summary

The disposable packing (1) is made of unglazed ceramics. The disposable packing has a form of a cooking container, which has a pot (2) and a cover (3). The inner side of the pot of the cooking container is coated with a fat or oil contained food or a substance allowed as food additive. The unglazed pottery is dried but unburned.