Resin Molded Component With Discoloration Checker for Deterioration Assessment
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Solution Overview
Problem
Resin molded components in devices such as image forming apparatuses deteriorate due to ultraviolet rays, heat, and water vapor, necessitating a simple method to determine the degree of deterioration.
Innovation Solution
Incorporating a discoloration checker made of a material that discolors at a slower rate than the resin molded portion, allowing for visual inspection of the component's deterioration status by comparing color differences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a resin molded portion is used in an image forming apparatus, then the component performs its function, but it deteriorates due to ultraviolet rays, heat, and water vapor during use
Solution Approach 1:
The patent applies color change principle by incorporating a discoloration checker made of a first material that discolors at a first speed, within a resin molded portion made of a second material that discolors at a second speed faster than the first speed. This creates visible color differences that indicate the degree of deterioration caused by ultraviolet rays, heat, and water vapor, allowing for assessment of the component's remaining service life and reliability.
2Measurement precision
If the degree of deterioration of the resin molded portion is to be determined, then assessment of reusability and recyclability is enabled, but a simple determination method was previously lacking
Solution Approach 1:
The patent uses color changes as a visual indicator system where the discoloration checker (first material) and resin molded portion (second material) exhibit different discoloration rates. By observing the color differences between these two materials, one can precisely assess the degree of deterioration without requiring complex measurement devices or procedures, thus achieving accurate deterioration assessment with a simple determination method.
Solution Approach 2:
The discoloration checker acts as an intermediary element that mediates between the resin molded portion and the observer. It provides a reference point for comparison, enabling the assessment of deterioration degree through visual inspection of color differences, thereby simplifying the determination process while maintaining measurement precision.
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
Facilitates easy and accurate determination of the resin molded portion's deterioration through visual inspection, enabling assessment of reusability and recyclability.
Implementation Method 1
Resin molded parts used in devices such as image forming apparatuses may deteriorate due to the influence of the ultraviolet rays, heat, and water vapor during the use of the products
Implementation Method 2
Resin molded parts used in devices such as image forming apparatuses may deteriorate due to the influence of the ultraviolet rays, heat, and water vapor during the use of the products
Implementation Method 3
Resin molded parts used in devices such as image forming apparatuses may deteriorate due to the influence of the ultraviolet rays, heat, and water vapor during the use of the products
Data Source
AI summary
A resin molded component includes a discoloration checker made of a first material discolored at a first speed; and a resin molded portion including the discoloration checker, the resin molded portion made of a second material discolored at a second speed faster than the first speed at which the first material of the discoloration checker discolors.