Asymmetrical Side Panels for Absorbent Articles
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Solution Overview
Problem
Existing absorbent articles, such as diapers and pants, face challenges in providing an optimal fit around the waist, especially for adults with larger circumferences, while also requiring a cost-effective and material-efficient production method that minimizes waste during the fabrication of side panels.
Innovation Solution
The development of absorbent articles with side panels designed to have a non-zero angle with the transverse axis, allowing for a more comfortable fit and produced using a method that cuts web material with minimal waste, enabling the same web material to be used for multiple panels without loss, thus optimizing both wearer comfort and production efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If side panels are designed with specific shapes to fit large waist circumferences, then wearer comfort and fit are improved, but material loss increases during production
Solution Approach 1:
The side panels are designed with asymmetric shapes where the front side panel has a first shape and the rear side panel has a second shape, allowing each panel to be optimized for its specific location on the waist. This asymmetry enables better fit for large waist circumferences while the panels are cut from a continuous web material in a way that minimizes waste by utilizing the full width of the web for each panel configuration
2Ease of operation
If side panels are made with optimized shapes for large circumferences, then fit around the waist is improved, but production complexity increases
Solution Approach 1:
The side panels are segmented into distinct front and rear panels with different shapes. The front side panel and rear side panel are separately configured to fit different portions of the waist, allowing each segment to be optimized independently for its specific functional requirement while maintaining overall simplicity in the manufacturing process through continuous web material usage
3Ease of manufacture
If conventional side panel shapes are used, then production is simple, but fit for large waist circumferences is poor
Solution Approach 1:
Different regions of the absorbent article have different side panel configurations tailored to local requirements. The front side panel and rear side panel have distinct shapes that are optimized for their specific locations on the wearer's body, allowing each local region to receive the appropriate fit characteristics while the overall manufacturing process remains simple through the use of continuous web material
Data Source
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AI summary
The current invention concerns an absorbent article with improved side panels which allow an optimized fit around the waist of the wearer while still allowing them to be manufactured in a facile, cost effective manner, and provides a method to produce said side panels.