Leak-Proof Underwear Cleft-Fitting Band Design
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Solution Overview
Problem
Women often experience embarrassing situations due to body fluids leaking from their underwear during menstruation, and existing underwear lacks a reliable leak-proof function that fits tightly to the intergluteal cleft.
Innovation Solution
The development of women's underwear with a leak-proof function that includes a band portion with a cleft-fitting band and a support portion, which fits tightly to the intergluteal cleft by deforming to conform to its shape and preventing leaks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a band portion is added to fit tightly to the intergluteal cleft, then leak-proof function is improved, but device complexity increases
Solution Approach 1:
The band portion is divided into multiple functional segments: a cleft-fitting band for conforming to the intergluteal cleft shape, and a support portion for providing structural support. This segmentation allows each part to perform its specific function optimally while maintaining overall leak-proof performance.
Solution Approach 2:
The cleft-fitting band extends in the third direction (depth dimension) to reach into the intergluteal cleft, creating a three-dimensional fitting structure. This dimensional extension enables tight contact with the curved surface of the cleft, significantly improving leak-proof function compared to flat two-dimensional designs.
2Reliability
If the cleft-fitting band is made longer to improve fit, then leak-proof function is improved, but foreign sensation increases
Solution Approach 1:
The optimal length ratio of the cleft-fitting band to the total band portion is precisely controlled within the range of 0.2 to 0.5. This parameter optimization ensures sufficient coverage of the intergluteal cleft for leak-proof performance while minimizing the band's protrusion that would cause foreign sensation.
Solution Approach 2:
The cleft-fitting band extends partially into the intergluteal cleft rather than completely filling it. This partial extension provides adequate leak-proof protection without excessive penetration that would cause discomfort or foreign sensation to the wearer.
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 underwear effectively prevents body fluids from leaking through by providing a tight, leak-proof fit, enhancing user comfort and reducing embarrassing situations during menstruation.
Implementation Method 1
the contractible portion may be formed by a mechanical or chemical shrinkage processing
Implementation Method 2
the contractible portion may be formed by a mechanical or chemical shrinkage processing
Implementation Method 3
by pleating, wherein pleats may be shirring pleats, gathered pleats, dart pleats, politz pleats, ribbed pleats, mechanical pleats
Implementation Method 4
pleats caused by contractible or elastic bands
Data Source
AI summary
Underwear according to the present disclosure may include an underwear portion and a band portion. The underwear portion may include a back side as an opposite side of a front side, in which the back side includes a cleft-fitting region that deforms to conform to the shape of an intergluteal cleft after underwear is worn. The band portion may include a cleft-fitting band disposed in a corresponding direction along the cleft-fitting region and a support portion supporting the cleft-fitting band.According to the present disclosure, underwear for women with a leak-proof function tightly fitting to a human intergluteal cleft can dramatically prevent the body fluids generated during menstruation from leaking through, by using the band portion including the cleft-fitting band disposed in a corresponding direction along the cleft-fitting region and the support portion supporting the cleft-fitting band.