Wearable Artwork Opacity Matching for Visual Integrity
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Solution Overview
Problem
Pant-type absorbent articles with separate elastic belts and main bodies face challenges in providing attractive artwork while maintaining performance, breathability, and economic manufacturing, as the structural difference between the main body and elastic belt complicates the integration of printed artwork, leading to potential gaps in appearance and compromised visual integrity.
Innovation Solution
A wearable article design featuring a ring-like elastic belt with front and back belts that are joined at the sides, forming a waist opening and leg openings, with artwork printed on the backsheet visible through the outer cover layer, ensuring the artwork extends from the belt area into the crotch panel, and optimizing opacity differences between layers to minimize appearance gaps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If pant-type absorbent articles use separate elastic belts and main bodies with structural differences, then breathability and manufacturing economy are improved, but visual integrity and appearance cohesion of printed artwork deteriorate
Solution Approach 1:
The patent applies parameter changes by adjusting the opacity of the outer cover layer and belt sheets to create a uniform visual appearance. Specifically, the outer cover layer is designed with an opacity of 20-40% and the belt sheets with 30-50% opacity, allowing artwork printed on the backsheet to appear cohesive across the entire garment-facing surface despite the structural separation between belt and main body components.
2Illumination intensity
If artwork is printed on the backsheet and viewed through multiple layers, then attractive visual appearance is achieved, but appearance gaps and compromised visual integrity occur due to structural differences between belt and main body
Solution Approach 1:
The patent applies local quality by making different parts of the article (outer cover layer and belt sheets) have different opacity properties tailored to their specific locations. The outer cover layer has lower opacity (20-40%) to allow better artwork visibility in the main body area, while the belt sheets have higher opacity (30-50%) to maintain appearance cohesion in the belt region, creating a unified visual appearance across structurally different components.
3Adaptability or versatility
If the outer cover layer and belt sheets have different opacities, then manufacturing flexibility is improved, but appearance gaps between belt area artwork and crotch area artwork occur
Solution Approach 1:
The patent resolves this contradiction by establishing specific opacity parameter ranges: outer cover layer opacity of 20-40% and belt sheet opacity of 30-50%. These controlled parameter changes ensure that while manufacturing flexibility is maintained through material selection freedom, the appearance uniformity is preserved by keeping the opacity difference within acceptable limits (Lg < 28%), preventing noticeable appearance gaps between different artwork areas.
Data Source
AI summary
A wearable article comprising: a main body comprising an outer cover layer and a backsheet attached to the skin-facing surface of the outer cover layer; and a ring-like elastic belt comprising a front belt and a back belt; the backsheet comprising a printed main artwork observable from the garment-facing side of the article. The main artwork exists in the vicinity of the proximal edge of the central panel of at least one of the front and back belts, extends from at least one of the front and back central panels into the crotch panel; and comprises a belt area artwork displayed on the central panel and a crotch area artwork displayed on the crotch panel. The relationship of the opacity of the outer cover layer to the opacity of the central panel overlayed on the garment facing side of the backsheet is defined herein.