Gender-Specific Absorbent Articles with Variable Gathering
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Solution Overview
Problem
The challenge is to create disposable pant-type absorbent articles that provide comfort and a discrete underwear-like appearance for both males and females while maintaining a low manufacturing cost, as existing solutions require different manufacturing apparatuses for each gender, increasing costs.
Innovation Solution
The solution involves designing an array of disposable pant-type gender-specific absorbent articles where female and male articles share the same width dimensions in an extended state, with varying degrees of gathering in the transverse direction to adapt to each gender's anatomy, using elastic materials and panels with different elastic properties to achieve a better fit without significant manufacturing line adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If different absorbent articles are designed for males and females to accommodate anatomical differences, then comfort and fit are improved, but manufacturing cost increases due to requiring different manufacturing apparatuses
Solution Approach 1:
The patent applies parameter changes by varying the degree of gathering in the transverse direction for different genders while keeping the basic article structure identical. Female articles have a first degree of gathering and male articles have a second degree of gathering, allowing anatomical adaptation without requiring different manufacturing apparatuses. This resolves the contradiction by changing physical parameters (gathering degree) rather than structural design.
Solution Approach 2:
The patent implements universality by creating a single manufacturing apparatus that can produce both male and female absorbent articles. The same basic article design serves multiple functions by adjusting the gathering parameter, eliminating the need for separate manufacturing lines for each gender while still accommodating anatomical differences.
2Ease of operation
If the circumferential length of the waist portion is increased in the relaxed state to accommodate larger hip dimensions, then fit for female users is improved, but the article size in extended state increases
Solution Approach 1:
The patent resolves this contradiction by changing the gathering parameter rather than the base size. Female articles have increased gathering in the transverse direction, which creates a larger circumferential length in the relaxed state to accommodate hip shape, while the extended state dimensions remain controlled by the base article design. This allows fit optimization without proportionally increasing overall article size.
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
This approach allows for cost-efficient production of gender-specific absorbent articles with improved comfort and fit, maintaining a low manufacturing cost by using common equipment and minimizing differences in article design, while ensuring a discrete underwear-like appearance.
Implementation Method 1
Each absorbent article in the array comprises a transversely elasticised waist portion extending along the waist opening and a transversely elasticised body portion located adjacent to the waist portion
Data Source
AI summary
An array of disposable pant-type gender-specific absorbent articles adapted for female and male users. The array has a first subarray including first and second sizes for female users; and a second subarray including third and fourth sizes for male users. Each absorbent article in the array has a transversely elasticised waist portion. At least one of the first and second size absorbent articles has a first circumferential length of the waist portion in a relaxed state and a second circumferential length of the waist portion in an extended state. At least one of the third and fourth size absorbent articles has a third circumferential length of the waist portion in a relaxed state and a fourth circumferential length of the waist portion in an extended state. The first circumferential length is smaller than the third circumferential length, and the second circumferential length is equal to the fourth circumferential length.