Absorbent Article Front Rear Orientation Identifier
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Solution Overview
Problem
Adult absorbent articles often lack visual differentiation between the front and rear sides due to identical colors of the chassis and absorber, making it difficult for users to determine if the article is worn correctly or inside out, which affects comfort and recognition.
Innovation Solution
Incorporating waistline elastic members along the width direction in both the front and rear waistline regions, with the absorber positioned closer to the skin contact surface, and providing a visual identifier of a linear shape in specific regions to differentiate between the front and rear sides from both skin and non-skin contact surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the chassis and absorber are made in the same color to simplify manufacturing and appearance, then production cost and aesthetic uniformity are improved, but the ability to distinguish front from rear sides deteriorates
Solution Approach 1:
The patent applies color changes by providing an identifier with a color different from the chassis and absorber colors. This identifier is arranged to be visible from the non-skin contact surface side, creating a visual contrast that enables users to distinguish the front side from the rear side while maintaining the overall simple color scheme of the absorbent article.
Solution Approach 2:
The patent employs asymmetry by arranging the identifier in a specific location (in the first region with the absorber) and orienting it in a predetermined direction. This asymmetric placement creates a visual cue that is visible only from specific angles, allowing users to easily identify the correct orientation of the absorbent article.
2Strength
If elastic members for leg-hole gathers are arranged to contact each other in the crotch region to provide structural support, then structural integrity is improved, but the ability to detect incorrect wear deteriorates
Solution Approach 1:
The patent uses color changes by making the identifier a different color from the chassis and absorber. This colored identifier is arranged in the first region (with the absorber) and is visible from the non-skin contact surface side, providing a clear visual cue that helps users detect whether the absorbent article is worn correctly or inside out, while the elastic members maintain their structural function in the crotch region.
3Device complexity
If no visual identifier is provided to maintain simplicity and comfort, then device complexity and wearability are improved, but the ability to distinguish front from rear sides deteriorates
Solution Approach 1:
The patent applies color changes by introducing an identifier with a color different from the chassis and absorber. This identifier is arranged in the first region (with the absorber) and is visible from the non-skin contact surface side, providing a simple yet effective visual cue that enables users to distinguish the front side from the rear side without significantly increasing device complexity.
Solution Approach 2:
The patent uses another dimension by arranging the identifier in a specific spatial location (in the first region with the absorber, not in the second region without the absorber) and orienting it in a predetermined direction. This dimensional arrangement creates a visual cue that is visible only from specific angles, providing orientation information without adding complex structural elements.
Data Source
AI summary
In a crotch region in the disclosed absorbent article, a waist elastic member provided in a front waist region, and waist elastic members provided in a rear waist region are arranged so as to not come into contact with each other, and a linear identification part is provided in either the front waist region or the rear waist region, in a manner such that in a first region wherein an absorbent main body is provided the identification part is only visible from the side of the absorbent article which is not in contact with the skin, and in a second region wherein the absorbent main body is not provided the identification part is visible from both the side of the absorbent article which is in contact with the skin and that which is not.