Absorber Pad Groove Design for Diaper Fit
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Solution Overview
Problem
Existing absorber pads in disposable diapers face challenges in closely attaching to the inner surface due to limited deformation capabilities, which hinders high fitting performance for wearers.
Innovation Solution
The absorber pad is designed with a front body portion, back body portion, and a narrowing portion with strategically formed grooves that allow for inward deformation, enhancing attachment to the disposable diaper's inner surface and improving fitting performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If grooves are formed in the absorber to enable deformation, then the absorber can be closely attached to the inner surface of the disposable diaper, but the structural complexity of the absorber increases
Solution Approach 1:
The absorber is divided into multiple functional zones (front body portion, back body portion, narrowing portion) with different groove patterns. Each zone has grooves oriented and positioned to facilitate deformation in specific directions, enabling the absorber to conform to the diaper's inner surface while maintaining a manageable structural complexity through localized rather than universal grooving.
Solution Approach 2:
Different regions of the absorber have different groove configurations tailored to their specific deformation needs. The front body portion has grooves oriented to facilitate frontward deformation, the back body portion has grooves for backward deformation, and the narrowing portion has grooves for lateral compression. This localized differentiation achieves high fitting performance without uniformly increasing complexity across the entire absorber.
2Reliability
If the absorber width is reduced in the narrowing portion to improve fitting, then the pad can be closely attached to the inner surface, but the absorption capacity in that region is reduced
Solution Approach 1:
The narrowing portion is designed to be dynamically deformable through strategically placed grooves that allow the material to compress and expand. When the pad is inserted into the diaper, the narrowing portion deforms inward to achieve close contact with the diaper's inner surface. The grooves enable this dynamic shape change without permanently reducing the absorption capacity, as the absorber material can still absorb liquid when in the compressed state.
Data Source
AI summary
A pad capable of enhancing the fitting performance to a wearer. An absorber includes a front body portion, a back body portion, and a narrowing portion, whose width dimension is reduced, provided between the front body portion and the back body portion. A first groove extending in the front-back direction is formed in a central portion in the width direction of the absorber. A third groove extending in the width direction is formed in a central portion in the front-back direction of the narrowing portion. A second groove extending in the width direction is formed in a front side portion in the front-back direction of the narrowing portion. A fourth groove extending in the width direction is formed in a back side portion in the front-back direction of the narrowing portion.