Moisture absorbing undergarment

The undergarment's innovative layered absorption zone with a rimmed top layer effectively manages liquid absorption and distribution, addressing leakage and discomfort issues in reusable absorbent underwear while maintaining a compact design and environmental sustainability.

WO2025061888A1 Publication Date: 2025-03-27MELO & CO BV
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Patent Information

Application Number
PCT/EP2024/076340
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-19
Filing Date
2024-09-19
Publication Date
2025-03-27

AI Technical Summary

Technical Problem

Existing reusable absorbent underwear struggles with effective liquid absorption and distribution, leading to discomfort and leakage issues, especially under high load conditions, and often requires oversized absorbent material.

Method used

The undergarment features a layered absorption zone with a liquid impermeable layer, an absorbent base layer, and a top layer with a smaller surface area creating a rim on the base layer. The top layer can be made of different materials and attached using adhesives, ultrasonic welding, or stitching, promoting liquid flow in the longitudinal direction while preventing transverse spreading.

Benefits of technology

This design enhances liquid management, reducing leakage and discomfort by maximizing absorbency within the absorbent zone without oversizing the material, while also being washable and environmentally friendly.

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Abstract

An undergarment comprising: a body portion having an upper edge defining a waistband, two lower edges each defining a leg opening and a crotch region between the leg openings; the body portion having an inner surface configured to face a person's skin and an outer surface opposed to the inner surface, an absorption zone defined at least partially in the crotch region extending in a longitudinal direction normal to a virtual line through the crotch region defining the shortest distance between both leg openings, the absorption zone comprising a layered structure with a liquid impermeable layer facing or defining the outer surface, an absorbent base layer provided at an inner facing side of the impermeable layer, an top layer provided at an inner facing side of the absorbent base layer, characterized in that said top layer has a surface area smaller than the surface area of the absorbent base layer and as such creates a rim on said base layer, the rim extending in the longitudinal direction and at a distance from both lower edges
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