Product heating with soluble container
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Solution Overview
Problem
Existing self-heating containers for beverages and food products take too long to heat the contents, leading to consumer impatience, and there is a need for a solution that can quickly and efficiently produce heat while maintaining product safety and consistency.
Innovation Solution
A self-heating container design featuring a first substance and a second substance that react exothermically, separated by a soluble material and a frangible membrane, where the membrane is ruptured to initiate contact and produce heat, with a fusible material to regulate temperature and prevent overheating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional self-heating containers use multiple reactants that mix to produce exothermic reaction, then heat is generated for warming products, but the heating process takes too long (4-5 minutes or more) causing consumer impatience
Solution Approach 1:
The container is divided into separate compartments: an inner cup for the product, an outer cup for the chemical reaction, and a soluble bag containing the first reactant. This segmentation allows for controlled mixing and rapid heat generation when the soluble bag dissolves and releases the first reactant to mix with the second reactant in the outer cup.
Solution Approach 2:
The soluble bag is pre-positioned between the inner and outer cups, containing the first reactant in a readily dissolvable form. The frangible membrane is pre-installed to separate the reactants until activation. When the user tilts or activates the container, the soluble bag quickly dissolves in the liquid from the outer cup, rapidly initiating the exothermic reaction without delay.
2Reliability
If reactants are stored separately in the container, then product safety and reactant stability are maintained during storage and shipping, but the device structure becomes more complex
Solution Approach 1:
The inner cup is nested within the outer cup, with the soluble bag containing the first reactant positioned in the space between them. The frangible membrane is integrated into the frangible bridge structure that connects the inner and outer cups. This nested arrangement maintains compactness while ensuring reactant separation during storage and enabling rapid mixing upon activation.
Solution Approach 2:
The soluble bag acts as an intermediary container that holds the first reactant separately until needed. The frangible membrane serves as an intermediary barrier that separates the liquid from the soluble bag until activation. These intermediary elements maintain simplicity while ensuring reliable reactant separation and controlled mixing.
3Reliability
If a frangible membrane separates the liquid from the soluble bag, then reactant mixing is controlled and product safety is ensured, but the membrane must be ruptured to initiate heating
Solution Approach 1:
The frangible membrane is designed to transition from a static barrier to a dynamic opening upon activation. When the user tilts or applies force to the container, the membrane ruptures along predetermined frangible lines, dynamically changing from a sealed barrier to an open state that allows liquid to contact and dissolve the soluble bag, initiating the reaction.
Solution Approach 2:
The frangible bridge structure is designed to break at specific periodic intervals or stress points when force is applied. The membrane ruptures at predetermined weak points along the frangible bridge, creating a controlled sequence of openings that allow gradual mixing while maintaining safety during normal handling.
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 enables rapid and thorough heating of products, maintaining safety and consistency, allowing for long-term storage and shipping without reactant degradation, and providing a robust, easy-to-produce container that can quickly deliver hot beverages or food.
Implementation Method 1
The soluble material is adapted to dissolve upon contact with the second substance
Implementation Method 2
a first substance and a second substance that are adapted to produce an exothermic reaction upon contact with each other
Implementation Method 3
a frangible membrane physically separating the second substance from the soluble material
Data Source
AI summary
A self-heating container includes a first substance and a second substance that are adapted to produce an exothermic reaction upon contact with each other, a soluble material between the first substance and the second substance, a frangible membrane physically separating the second substance from the soluble material, and a means for rupturing the frangible membrane.