Frozen food product, frozen food packaging container, and frozen food packaging material
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Solution Overview
Problem
Frozen rice and similar foods face issues with moisture delivery and temperature deviations during microwave cooking, limiting their shelf life and portability, and require separate containers and spoons for handling.
Innovation Solution
A packaging material with a microwave-emitting heat layer and a conical shape that includes a moisture-preventing layer to maintain food texture and a protrusion for easy gripping, along with a conical edible container and packaging material that suppresses moisture delivery and ensures uniform heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If frozen food is stored for long circulation period, then shelf life is extended, but moisture is delivered to the container causing damp texture
Solution Approach 1:
A vinyl layer is introduced as an intermediary barrier between the frozen food and the container. This layer prevents moisture from the frozen food from reaching and dampening the container, thereby extending shelf life while maintaining texture quality.
Solution Approach 2:
A thin vinyl film layer is applied to the container surface to create a moisture barrier. This flexible film effectively blocks moisture transmission from the frozen food to the container, preventing dampness and extending the circulation period.
2Speed
If frozen food is cooked in microwave oven, then heating speed is improved, but temperature deviation occurs causing quality deterioration
Solution Approach 1:
The frozen food is formed into a spherical shape, which promotes uniform microwave heating. The curved surface distributes electromagnetic energy more evenly throughout the food, reducing temperature deviations and maintaining quality during rapid microwave heating.
3Reliability
If separate container and spoon are used for hot food, then food safety is improved, but portability deteriorates
Solution Approach 1:
The container and spoon are merged into a single integrated unit. The spoon is formed as an extension or integral part of the container structure, eliminating the need for separate components while maintaining food safety and enhancing portability for on-the-go consumption.
Solution Approach 2:
The container is designed to serve multiple functions: it acts as both the food holding container and the eating utensil. The integrated spoon structure allows the same object to function as both container and utensil, improving portability without compromising food safety.
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
Enables easy carrying and uniform heating of frozen foods while preventing moisture delivery to the edible container, maintaining a crispy texture and extending shelf life.
Implementation Method 1
a heat emitting layer that emits heat by using microwaves
Implementation Method 2
an inner moisture delivery preventing layer disposed in at least a partial area between the frozen food and an outer surface of the edible container, and that suppresses moisture from being delivered from the frozen food to the edible container
Data Source
AI summary
A frozen food product according to the present application comprises: a frozen food; a food container having formed therein an inner space for accommodating the frozen food and formed of an edible material; and a packaging material including a first packaging material surrounding the frozen food and disposed between the food container and the frozen food, and a second packaging material surrounding the food container, in order to prevent moisture from being transferred to the food container, wherein the packaging material generates heat by means of microwaves.