Arrangement for indicating an intended end of the period of use of a textile product
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Solution Overview
Problem
Existing methods for determining the end of the intended use period of textile products, such as cleaning cloths and bed linen, are complex and difficult for users to implement effectively, especially when color changes are subtle or require specialized equipment.
Innovation Solution
A textile product with an indicator field featuring two regions of different colors, where the wash-fastness of one color is lower than the other, allowing visual indication of the end of the intended use period through color change during washing procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If multi-layered construction with progressive color change is used, then the period of use can be tracked, but the color change is subtle and hard to detect
Solution Approach 1:
The patent applies color change principle by using two distinct colors (first color and second color) in the indicator field that change contrast over time. The first color fades or changes due to washing and use, while the second color remains stable, creating a visually detectable contrast that indicates the period of use without requiring subtle nuance detection.
2Measurement precision
If special measuring apparatuses are used for detection, then measurement precision is improved, but device complexity and accessibility worsen
Solution Approach 1:
The indicator field serves itself by providing visual information directly on the textile product. The contrast between the first and second colors automatically indicates wear level without requiring external measuring apparatuses. Users can simply observe the indicator field to determine if replacement is needed.
3Measurement precision
If color scale is used for checking, then measurement capability is provided, but ease of operation worsens due to separate storage requirements
Solution Approach 1:
The patent merges the indicator function directly into the textile product by incorporating the indicator field with both the first and second colors into the product itself or its label. This eliminates the need for separate color scales or reference materials that must be stored and handled separately.
4Loss of information
If gradual color changes are used, then information about wear is provided, but ease of operation worsens as changes are hard to apparent
Solution Approach 1:
The patent uses color change principle where the first color progressively changes or fades while the second color remains constant. This creates a growing visual contrast that is easily apparent to users, making wear progression obvious without requiring detection of subtle nuances.
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 a simple and clear visual indication of the end of the intended use period, allowing users to determine when to replace the product without needing specialized equipment, as the first color gradually changes to match the second, wash-fast color.
Implementation Method 1
the wash-fastness of the first color is lower than the wash-fastness of the second color. In the course of the period of use and of the washing procedures associated therewith a relative change between the color of the first region and the color of the second region thus takes place
Data Source
AI summary
In an arrangement for indicating an intended end of a period of use of a textile product (1), the textile product (1) or a label (2) of the textile product (1) has an indicator field (3) which, in a first area (3a), has a first color that changes during the period of use of the textile product (1) and in the course of the associated washes. The indicator field (3) additionally has a second color in a second area (3b), wherein the wash-fastness of the first color is less than the wash-fastness of the second color, and the first color differs, in the delivery state, from the second color and, over a number of washes of the textile product (1), increasingly approximates to the second color.