Exudate Management Layer Curved Edges for Absorbent Article Leakage
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Solution Overview
Problem
Conventional absorbent articles often fail to provide adequate fit to the body, leading to increased leakage and discomfort due to flat designs that do not conform to the wearer's contours, resulting in gaps and undesirable deformation.
Innovation Solution
A method of manufacturing an absorbent article with an exudate management layer comprising a first and second component, where the exudate management layer is formed using a cutting roller with specific cutting tools and vacuum systems to create a design that enhances conformity to the body, including the use of lines of weakness and a crease bar to facilitate better fluid management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a flat absorbent article design is used, then manufacturing is simple and cost-effective, but the article fails to conform to the body contours resulting in gaps and leakage
Solution Approach 1:
The absorbent article incorporates curved side edges instead of straight edges, creating a contoured shape that conforms to the body's natural curves. This curvature allows the article to wrap around the body contours, eliminating gaps and preventing leakage while maintaining manufacturing feasibility through modified cutting patterns
2Device complexity
If the absorbent article is made flat, then the structure is simple, but it causes undesirable deformation and fold lines during movement that create leakage pathways
Solution Approach 1:
The curved side edges design anticipates and accommodates body movement and deformation by creating a flexible contoured shape. The curves allow the article to move with the body without creating sharp fold lines or rigid deformation points that would otherwise serve as leakage pathways
3Loss of substance
If conventional flat designs are used, then material usage is minimized, but gaps between the article and skin result in increased exudate leakage
Solution Approach 1:
The curved side edges create a contoured shape that conforms to the body's natural curves, eliminating gaps between the article and skin. This improved fit enhances exudate containment by ensuring continuous contact with the body surface, preventing leakage without requiring excessive material
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 method improves the absorbent article's ability to conform to the body, reducing leakage and enhancing comfort by creating a more effective fluid management system that directs body exudates into the absorbent core.
Implementation Method 1
a vacuum system that removes air from between the exudate management layer and the absorbent core
Data Source
AI summary
An absorbent article can have a topsheet layer, a liquid impermeable layer, and an absorbent core positioned between the topsheet layer and the liquid impermeable layer. The absorbent article can further include an exudate management layer in fluid communication with the topsheet layer. In various embodiments, the exudate management layer can be positioned on a body facing surface of the topsheet layer. In various embodiments, the exudate management layer can be positioned between the topsheet layer and the absorbent core. The exudate management layer has a first component which defines an opening for direct passage of body exudates into the absorbent core. The exudate management layer has a second component which at least partially overlaps the first component of the exudate management layer and further extends in the longitudinal direction of the absorbent article in a direction towards the posterior region of the absorbent article.