Reusable Belt Absorbent Article for Fit and Line Flexibility

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Solution Overview

Problem

Existing absorbent articles face challenges in providing a snug and comfortable fit with reusable belts, and existing converting lines are inflexible, limiting the ability to produce multiple product offerings efficiently.

Innovation Solution

The design of absorbent articles with reusable belts that can be expanded and compressed to fit comfortably around the waist, using materials that can be laundered multiple times, and attachment mechanisms that allow for easy reattachment to additional absorbent chassis, along with flexible manufacturing processes that accommodate various product designs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of substance

If reusable belts are used in absorbent articles, then environmental sustainability and reduced waste are improved, but sanitation difficulties and handling complexity worsen

Engineering Contradiction:

Improvewaste reductionVSAvoidsanitation and handling

Core Design Contradiction:

Loss of substanceVSEase of operation

Solution Approach 1:

The absorbent article is divided into two distinct components: a reusable belt and a disposable absorbent chassis. This segmentation allows the belt to be separated for washing and reuse, while the soiled chassis is disposed of, resolving the sanitation and handling issues associated with fully reusable articles while maintaining waste reduction benefits.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention implements a system where the absorbent chassis is discarded after single use, while the belt is recovered and laundered for reuse. This approach eliminates the sanitation problems of reusing soiled absorbent materials while maintaining the environmental benefits of reusing the belt component.

Inventive Principle:

Principle #34Discarding and recovering

2Ease of operation

If disposable absorbent articles are used, then consumer convenience and hygiene are improved, but material consumption and waste increase

Engineering Contradiction:

Improveconsumer convenienceVSAvoidmaterial consumption

Core Design Contradiction:

Ease of operationVSLoss of substance

Solution Approach 1:

By segmenting the article into reusable belt and disposable chassis, the invention maintains the convenience of disposable products while reducing overall material consumption and waste through belt reuse.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The chassis is discarded after single use maintaining hygiene and convenience, while the belt is recovered and reused multiple times, reducing material consumption and waste compared to fully disposable articles.

Inventive Principle:

Principle #34Discarding and recovering

3Manufacturing precision

If converting lines are custom designed for specific products, then manufacturing precision and product quality are improved, but flexibility and adaptability worsen

Engineering Contradiction:

Improveproduct qualityVSAvoidline flexibility

Core Design Contradiction:

Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The segmentation of the absorbent article into separately manufactured belt and chassis components allows converting lines to produce each component independently using existing equipment, then assemble them together, maintaining manufacturing precision while improving line flexibility.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The reusable belt is designed as a universal component that can be attached to different absorbent chassis types, allowing a single belt production line to support multiple product offerings and enabling converting lines to produce various chassis designs with the same belt component.

Inventive Principle:

Principle #6Universality (Multi-functionality)

4Ease of operation

If reusable belts are made to provide snug fit, then comfort and fit quality are improved, but attachment reliability and fit consistency worsen

Engineering Contradiction:

Improvecomfort and fitVSAvoidattachment reliability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The fitting function is extracted from the absorbent chassis and transferred to the reusable belt, which is specifically designed with elastic and expandable properties to provide snug and comfortable fit, while the chassis focuses on absorption functionality, improving both fit quality and attachment reliability.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The belt incorporates expandable and elastic properties allowing it to dynamically adjust to different waist sizes and provide consistent snug fit, while the attachment mechanisms ensure reliable connection to the chassis throughout wear.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12569376B2Absorbent article with reusable belt and methods for manufacturing thereof

Publication Date: 2026.03.10 PROCTER & GAMBLE CO

AI summary

A method for forming a wearable absorbent article may comprise forming, by a system, an absorbent chassis comprising an absorbent core, a first lateral end, a second lateral end, and a length in a longitudinal direction extending between the first lateral end and the second lateral end. The method may further comprise forming, by the system, a reusable belt, and attaching, by the system, the belt to the absorbent chassis via at least one temporary fastener component formed on at least one of the absorbent chassis or the belt, resulting in formation of a wearable absorbent article unit.