Boxer Brief Absorbent Article Silhouette for Stable Anatomical Fit
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Solution Overview
Problem
Existing disposable absorbent articles fail to adequately fit a wide range of body shapes and sizes, leading to issues such as slipping, sliding, sagging, and inadequate leakage protection, particularly for individuals with urinary incontinence, as they are often sized by weight alone without considering anatomical differences.
Innovation Solution
Designing absorbent articles with a lower Product Hip-to-Side Silhouette, characterized by a longer side seam length, to better match the Body Hip-to-Side Silhouette, incorporating elasticized belts and leg cuffs for improved anchoring and stability, and using materials that enhance conformability and fluid uptake.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If absorbent articles are sized by weight alone, then manufacturing and inventory management are simplified, but fit and stability on different body shapes deteriorate
Solution Approach 1:
The patent changes the sizing parameter from weight-based to anatomical measurement-based (hip circumference and side length). This allows the product to be sized according to actual body dimensions that determine fit, rather than using weight as a proxy. The sizing chart maps specific hip circumference and side length measurements to product sizes, ensuring reliable fit across different body shapes and types.
Solution Approach 2:
The patent segments the sizing system into distinct anatomical measurements (hip circumference, side length) rather than using a single weight-based category. This segmentation allows for more precise fitting by considering the specific dimensional characteristics that affect product stability and comfort on different body types.
2Reliability
If side seam length is increased to improve anchoring, then product stability improves, but product complexity increases
Solution Approach 1:
The patent employs asymmetric geometry in the product design, with the side seam length specifically optimized to create a lower Product Hip-to-Side Silhouette ratio. This asymmetric configuration provides enhanced anchoring along the side seams without requiring symmetric increases in all product dimensions, thereby improving stability while controlling overall complexity.
Solution Approach 2:
The patent utilizes curved and contoured geometry in the side seam design to improve fit and anchoring. The side seams are shaped to follow the natural contours of the body, providing enhanced stability through anatomical conformity rather than through increased linear complexity.
3Ease of operation
If product Hip-to-Side Silhouette is reduced to match underwear forms, then fit and comfort improve, but manufacturing precision requirements increase
Solution Approach 1:
The patent establishes a specific parameter target for the Product Hip-to-Side Silhouette ratio, aiming to match the anatomical ratios of natural underwear forms. This parameter change drives the design toward familiar, comfortable fit profiles while providing a clear manufacturing target for maintaining consistency across production batches.
Solution Approach 2:
The patent copies the successful geometric proportions of natural underwear forms (boxer briefs, boy shorts) into the absorbent article design. By replicating the Hip-to-Side Silhouette ratio found in comfortable, well-fitting underwear, the product achieves similar wearability and comfort characteristics without requiring entirely new design approaches.
4Reliability
If elasticized belts and leg cuffs are added for anchoring, then stability improves, but device complexity increases
Solution Approach 1:
The elasticized belts and leg cuffs serve multiple functions: they provide anchoring to prevent slipping, conform to body contours for improved fit, and maintain product position during movement. This multi-functionality justifies the added components by delivering several benefits simultaneously rather than requiring separate features for each function.
Solution Approach 2:
The patent uses flexible elasticized materials in the belts and leg cuffs that can stretch and conform to the body's shape. These flexible components provide effective anchoring and adaptation to different body types without requiring rigid structures or complex mechanical systems, thereby improving stability while controlling complexity.
Data Source
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AI summary
An absorbent article may have a Product Hip-to-Side Silhouette from 0.5 to about 1.8 and a Relaxed Product Side Length that is greater than about 65% of the Relaxed Product Length. An array of absorbent articles may have an Array Average Product Hip-to-Side Silhouette from about 0.5 to about 1.8.