Offset Seams in Training Pants Reduce Irritation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional disposable absorbent articles, such as training pants, often cause skin irritation and are stiff due to centered seams, which can lead to discomfort and reduced flexibility.
Innovation Solution
The use of offset seams with outward-facing hook elements on the back side panels and thinner front panel material, along with a 'loopless' fastening system, reduces irritation and increases flexibility by distributing the seam material more evenly and using less material overall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If centered seams are used in conventional training pants, then structural integrity is maintained, but skin irritation and stiffness increase
Solution Approach 1:
The patent applies asymmetry by offsetting the seam configuration from the traditional centered position. The seam is positioned asymmetrically on the back side panel, creating an offset seam that distributes material more evenly and reduces concentration of irritation points on the wearer's skin.
Solution Approach 2:
The patent applies local quality by using thinner front panel material specifically at the seam area where irritation occurs. This localized material modification reduces bulk and irritation in the critical region without compromising the overall structural integrity of the training pant.
2Ease of operation
If centered seams are used in conventional training pants, then structural integrity is maintained, but flexibility decreases
Solution Approach 1:
The asymmetric offset seam configuration allows for better movement dynamics. By positioning the seam away from the center, the fabric can bend and move more naturally during child's movement, improving flexibility and comfort without compromising structural integrity.
Solution Approach 2:
Using thinner material locally at the seam area reduces bulk and stiffness, allowing the seam region to flex more easily with the body's movements while maintaining adequate structural support through the offset configuration.
3Loss of substance
If traditional seam material distribution is used, then structural integrity is maintained, but bulk and material consumption increase
Solution Approach 1:
The offset seam configuration optimizes material distribution by positioning seams asymmetrically, which allows for reduced material consumption in the seam area while maintaining structural integrity through strategic placement of fastening components and panel overlaps.
Solution Approach 2:
The patent uses thinner material specifically where needed (at the offset seam location) and standard material thickness elsewhere, optimizing overall material consumption while maintaining structural integrity through localized material modification rather than uniform thinning throughout the entire garment.
Data Source
AI summary
An absorbent article including a chassis having a front waist portion and a back waist portion, front side panels having an inside surface and an outside surface, back side panels having an inside surface and an outside surface, and seams adapted to attach the front side panels to the back side panels in an overlapped configuration offset toward the front waist portion, the seams made up of one or more fastening components attached to the outside surface of each of the back side panels.