Asymmetrical Elastomeric Panels for Absorbent Article Fit
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Solution Overview
Problem
Conventional absorbent garment-like articles often fail to provide a comfortable, close-to-body fit due to symmetrical elastomeric material distribution, leading to discomfort and leakage issues on non-symmetrical body shapes, as they can feel bulky, ill-fitting, and cause uneven tension, resulting in visible outlines and increased exudate leakage.
Innovation Solution
The absorbent article features an asymmetrical configuration with varying elastomeric material distribution across the front and back regions, including specific elastomeric panel lengths and strand spacings, allowing for targeted tension and improved fit conformity to different body curvatures, resembling traditional woven underwear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If symmetrical elastomeric material distribution is used in absorbent garments, then manufacturing simplicity is maintained, but fit comfort and leakage prevention deteriorate on non-symmetrical body shapes
Solution Approach 1:
The patent applies asymmetry by configuring the elastomeric material distribution differently between the front and back regions of the absorbent garment. The back region has greater elastomeric material extent to accommodate the typically larger buttock circumference, while the front region has less material for the smaller abdominal area. This asymmetric configuration allows the garment to conform better to non-symmetrical body shapes, improving fit comfort and reducing leakage without significantly complicating manufacturing processes.
Solution Approach 2:
The patent implements local quality by providing different elastomeric material properties and quantities in different regions of the garment. Specifically, the back region with larger elastomeric material provides higher tension and stretch capability where needed (buttock area), while the front region provides appropriate but reduced tension (abdomen area). This localized differentiation of material quality optimizes the fit and functional performance across different body regions.
2Device complexity
If symmetrical elastomeric material distribution is used, then material usage is simplified, but tension uniformity and leakage prevention worsen
Solution Approach 1:
The asymmetric elastomeric material distribution between front and back regions creates non-uniform tension patterns that match the natural contours of the human body. The back region's greater elastomeric material extent generates higher tension to secure the garment around larger buttock circumferences, preventing gaps and leakage. The front region's reduced material provides appropriate tension for the smaller abdominal area. This asymmetric design improves leakage prevention reliability while maintaining reasonable material distribution complexity.
Solution Approach 2:
The patent applies local quality by tailoring the elastomeric material properties to specific regional requirements. The back region receives enhanced elastomeric material concentration and extent to provide superior tension and leakage prevention where the body's curvature demands it most. The front region receives adjusted material quantities suited to its anatomical characteristics. This localized material optimization improves overall garment reliability in preventing exudate leakage.
3Shape
If stretchable elastomeric layers are added to improve fit, then close-to-body fit improves, but product bulkiness and artificial appearance increase
Solution Approach 1:
The patent utilizes thin elastomeric material layers that provide the necessary stretch and conformability to achieve close-to-body fit. These flexible thin films are integrated into the garment structure, allowing the product to adapt to body contours without adding significant bulk. The elastomeric layers are configured with appropriate thickness and material properties to deliver fit performance while maintaining a sleek, non-bulky profile that resembles traditional underwear.
Solution Approach 2:
The asymmetric configuration of elastomeric materials is implemented in a manner that optimizes fit without uniform bulk addition. The back region's greater elastomeric material extent is strategically placed to conform to body contours where needed, while the front region uses reduced material to avoid unnecessary bulk. This asymmetric approach achieves close-to-body fit by targeting elastomeric material placement at anatomically critical areas rather than uniformly throughout the garment.
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
This design enhances the fit and comfort of the absorbent article, reducing leakage incidents and providing a more natural appearance, as it maintains better tension across the waist and leg regions, ensuring a secure and comfortable wear.
Implementation Method 1
an absorbent article having an improved fit about the lower torso of the wearer... stretchable or elastomeric outer layer... asymmetrical placement of elastomeric material to provide for targeted placement of the elastomeric material having different elastomeric functionality
Data Source
AI summary
A garment-like absorbent article can have a front region, a back region, and a central region extending between and connecting the front region and the back region. The front region and the back region of the absorbent article can be formed from a combination of elastic materials. The combination of the elastic materials can be asymmetrically configured about the absorbent article to provide an improved fit of the absorbent article to the body of the wearer as well as to provide the wearer with an absorbent article that resembles traditional woven underwear.