Exudate Management Layer Overlap for Absorbent Article Fit
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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 well to the wearer's contours, resulting in gaps and undesirable deformation.
Innovation Solution
A method for manufacturing an absorbent article with an exudate management layer that includes a first and second component, where the second component is positioned in an overlapping configuration with a third portion to enhance conformity and absorption, utilizing lines of weakness and separation to facilitate folding and alignment for improved fit and fluid management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a flat absorbent article design is used, then manufacturing is simple, but the article does not conform well to the wearer's body contours resulting in gaps and leakage
Solution Approach 1:
The absorbent article is divided into multiple panels that can be independently formed and then joined together. Each panel can be shaped to conform to specific body contours, and the segmented structure allows the article to adapt to the wearer's body shape while maintaining manufacturing simplicity through modular construction
Solution Approach 2:
The article incorporates curved and contoured shapes rather than flat surfaces. The panels are formed with specific curvatures that match body contours, allowing the absorbent article to conform to the wearer's body shape and eliminate gaps that would cause leakage
2Manufacturing precision
If the absorbent article is made flat, then manufacturing precision requirements are lower, but the article deforms undesirably during wearer movement
Solution Approach 1:
Dividing the article into multiple panels creates a modular structure where each panel can move independently with the body. This segmentation allows the overall structure to maintain integrity during movement while reducing the precision requirements for each individual panel compared to a single flat structure
Solution Approach 2:
The panel structure is designed to be dynamic rather than rigid, allowing the panels to adjust and move with the wearer's body movements. This dynamic configuration maintains structural integrity during activity while accommodating body motion without undesirable deformation
3Quantity of substance
If conventional flat design is used, then material usage is minimal, but leakage increases due to gaps between article and skin
Solution Approach 1:
The contoured panels are shaped to match body curves, ensuring continuous contact between the absorbent article and the wearer's skin. This curvature-based design eliminates gaps without requiring excessive material, as the conformal shape achieves better coverage efficiently
Solution Approach 2:
The segmented panel structure allows targeted placement of absorbent materials in areas where leakage is most likely to occur. By dividing the article into zones that can be optimized independently, material is used more efficiently to prevent leakage at critical areas
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.