Disposable Undergarment Fastening System with Alignment Guides
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Solution Overview
Problem
Disposable absorbent articles often suffer from misapplication and ill-fitting issues, leading to gaps or openings around the legs, which can result in discomfort and improper functioning, necessitating an improved fastening system for secure alignment.
Innovation Solution
A disposable undergarment design featuring a landing area with multi-directional alignment guides and fasteners, including longitudinally and laterally oriented indicia and phosphorescent markings, to facilitate accurate and comfortable positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional fastening tabs are used without alignment guides, then the diaper can be manufactured simply, but misapplication and ill-fitting occur leading to gaps around the legs
Solution Approach 1:
Alignment guides and indicia are pre-formed on the diaper components during manufacturing, enabling the wearer to correctly position and align the fastening tabs with the landing zones before fastening. This preliminary visual guidance system prevents misapplication and ensures proper fit without requiring complex adjustment mechanisms during application.
Solution Approach 2:
Visual indicia and alignment guides serve as intermediary elements between the fastening tabs and landing zones, providing a visual reference system that mediates the alignment process. These indicators act as a communication bridge, guiding the wearer to correctly position the fasteners relative to the absorbent article body, thereby eliminating gaps and ensuring proper fit.
2Ease of operation
If multiple alignment guides and indicia are added to the fastening system, then proper positioning is facilitated, but the device complexity increases
Solution Approach 1:
The alignment guidance system is segmented into multiple independent visual indicators distributed across the diaper surface, including longitudinal alignment guides, lateral alignment guides, and numeric indicia. Each segment provides specific directional guidance, allowing the wearer to independently adjust positioning in different directions to achieve proper fit without requiring a complex integrated mechanism.
Solution Approach 2:
The alignment guides and indicia utilize visual contrast and color differentiation to provide clear, easily distinguishable markers against the diaper background. This visual encoding system enables rapid identification and alignment of fastening zones without requiring physical complexity, as the color and pattern variations provide intuitive directional and positional information.
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 solution enhances the alignment and securement of the undergarment, reducing discomfort and leakage by providing clear visual cues for proper alignment and positioning, ensuring effective containment of bodily fluids.
Implementation Method 1
The indicia may include phosphorescent pigment
Data Source
AI summary
A disposable undergarment having fastening means comprising a landing area and a pair of fasteners, wherein the landing area and the fasteners include multiple indicia for providing alignment at least in two, bi-directional orientations for horizontal and vertical alignment thereof.