Containment Pant With Nested Fluid-Impervious Pouch
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Solution Overview
Problem
Current disposable absorbent garments for bedwetting are not satisfactory as they resemble diapers and do not adequately mimic conventional underwear, leading to user dissatisfaction, as they fail to provide a product that looks and feels like regular underwear while still managing bedwetting effectively.
Innovation Solution
A permanently closed containment pant with an elastically extensible chassis, a fluid-impervious pouch, and transitions that allow for movement and adjustment, designed to resemble conventional underwear, featuring a polyester and polyurethane laminate and elastic containment flaps for improved fit and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If disposable absorbent garments are designed to look like conventional underwear, then aesthetic appearance is improved, but fluid containment capability deteriorates
Solution Approach 1:
The patent implements a nested structure where an inner fluid-impervious pouch is placed within an outer chassis that resembles conventional underwear. The pouch contains the absorbent insert and is sealed to prevent leakage, while the outer chassis provides the underwear-like appearance. This nested arrangement allows the product to simultaneously achieve aesthetic appearance and reliable fluid containment.
2Reliability
If the garment structure is made more complex to improve fluid containment, then containment capability is improved, but ease of manufacture deteriorates
Solution Approach 1:
The patent divides the containment system into separate functional segments: an inner pouch made from laminated material for fluid imperviousness, an outer chassis for structural support and appearance, and an absorbent insert for fluid absorption. This segmentation allows each component to be manufactured independently using appropriate processes and then assembled, balancing containment capability with manufacturing ease.
3Ease of operation
If elastic materials are added to improve fit and comfort, then ease of operation is improved, but device complexity deteriorates
Solution Approach 1:
The patent incorporates elastic materials into the chassis to modify its physical parameters, specifically its ability to stretch and conform to the body. This parameter change allows the garment to provide a comfortable fit while maintaining the overall simplicity of the containment system design.
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 provides a durable, comfortable, and effective containment system that resembles conventional underwear, addressing user dissatisfaction by offering a practical and aesthetically pleasing option for managing bedwetting while maintaining fluid containment.
Implementation Method 1
a fluid-impervious pouch created by joining the containment flap to the base sheet
Implementation Method 2
an elastically extensible chassis defining a waist opening, a first leg opening, and a second leg opening
Data Source
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AI summary
A permanently closed containment pant includes an elastically extensible chassis and a sling positioned within the chassis. The sling is joined to the front waist region and the back waist region. The sling includes a fluid-impervious base sheet and a containment flap joined with the base sheet to create a fluid-impervious pouch. The sling also includes a first transition and a second transition that are elastically extensible in a longitudinal direction and in a transverse direction. The base sheet is a fabric laminated with polyurethane and the containment flap is a fabric laminated with polyurethane. The polyurethane surface of the base sheet is ultrasonically joined in facing relationship with the polyurethane surface of the containment flap. The permanently closed containment pant is substantially devoid of an integrated absorbent core.