Thermochromic Snus Container Wall for Cooling Status Indication
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Solution Overview
Problem
There are no snus containers that allow users to distinguish between cooled and uncooled tobacco products, which affects the freshness and user experience of smokeless tobacco products sensitive to temperature and humidity.
Innovation Solution
A container with integral thermochromic material in its walls that changes color between 0° C. and 10° C., indicating the cooling status of the product, allowing users to determine if the snus is in a suitable condition for consumption, and featuring reversible color changes to maintain usability across various storage temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a container is made from metal or resilient plastic material to ensure freshness, then the container provides good sealing and durability, but the container cannot indicate the cooling status of the tobacco product
Solution Approach 1:
The patent applies thermochromic material that changes color in response to temperature changes within the range of 0°C to 10°C. This allows the container to visually indicate whether the tobacco product is in the optimal cooling range, resolving the information loss problem while maintaining the existing container structure for freshness preservation.
Solution Approach 2:
The patent combines traditional container materials (metal or resilient plastic) with thermochromic material to create a composite structure. The thermochromic material is applied as a coating or integrated layer on the container wall, enabling temperature indication without compromising the sealing and durability properties of the base material.
2Loss of information
If thermochromic material is added to indicate temperature, then the cooling status becomes visible, but the container structure and manufacturing process become more complex
Solution Approach 1:
The thermochromic material is applied as a surface coating or integrated layer on the container wall rather than as a separate internal component. This approach adds the temperature indication function without significantly increasing structural complexity, as the material becomes part of the existing container wall structure.
Solution Approach 2:
The thermochromic indication serves as a visual copy or representation of the internal temperature state without requiring direct exposure to the product. The color change on the external surface mirrors the thermal condition inside, providing information without adding mechanical complexity.
3Speed
If the container wall is made thin to reduce thermal mass, then the container responds quickly to temperature changes, but the container becomes more susceptible to heat transfer
Solution Approach 1:
The thermochromic material is applied as a thin surface layer that responds rapidly to temperature changes. The material's thin-film nature allows quick thermal response while the underlying container structure maintains appropriate thickness to control heat transfer, separating the sensing function from the thermal insulation function.
Solution Approach 2:
The container structure is designed with differentiated properties: the thermochromic surface layer is thin for rapid temperature sensing, while the bulk container wall maintains sufficient thickness for thermal control. This local differentiation allows the container to simultaneously achieve fast response speed and controlled heat transfer.
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 container effectively indicates the optimal consumption temperature of snus, ensuring freshness and user satisfaction by minimizing heat transfer and allowing multiple uses without thermal history impact, while being aesthetically integrated into the container design.
Implementation Method 1
The thermochromic material is configured for undergoing a visible color change in a temperature range between 0° C. and 10° C.
Implementation Method 2
the influence of heat transfer is minimized
Data Source
AI summary
The present invention relates to a container for a tobacco related product, comprising at least a base portion and a top portion defining at least one closable compartment for storing the tobacco related product. At least one wall portion of the container comprises a thermochromic material as an integral part, wherein the thermochromic material is configured for undergoing a visible color change in a temperature range between 0° C. and 0° C. Thus, information on a preferred consumption condition of the tobacco related product can be provided to a user. The invention further relates to methods for manufacturing such container and further relates to the use of a thermochromic material in a container for a tobacco related product.