Individually Packaged Absorbent Article with Inner Colored Concealment
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Solution Overview
Problem
Individually packaged absorbent articles face issues with color transfer and visibility, as existing coatings do not effectively conceal the absorbent article, requiring additional packaging to prevent visibility and color transfer during use.
Innovation Solution
A packaging sheet with a colored part on its inner surface, visible through the outer surface, but not allowing the absorbent article to be visible, using a pressure-sensitive adhesive and folding structure to minimize friction and color transfer, while optionally including a release part or sheet for easy detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the outer surface of the individually packaged product is coated with a colored material to hide the absorbent article, then the absorbent article becomes invisible through the outer surface, but color transfer occurs to adjacent objects during abrasion
Solution Approach 1:
The patent inverts the conventional approach by placing the colored material on the inner surface of the packaging sheet rather than the outer surface. This allows the colored part to conceal the absorbent article while being protected from external abrasion, thus preventing color transfer to adjacent objects during distribution and storage.
Solution Approach 2:
The patent transitions the colored material from a two-dimensional outer surface coating to a three-dimensional structure where the colored part is embedded within the packaging sheet thickness. The colored part extends from the inner surface toward the outer surface, creating a layered structure that provides both concealment and protection against color transfer.
2Length of moving object
If the packaging sheet is made thinner to fit in bags and pockets easily, then portability is improved, but the absorbent article becomes more visible through the outer surface
Solution Approach 1:
The patent applies local quality by concentrating the optical concealing function in a specific region - the colored part on the inner surface of the packaging sheet. This localized colored region provides sufficient concealment of the absorbent article even when the overall packaging thickness is reduced, allowing thin packaging without compromising privacy.
3Loss of information
If additional pouches or bags are added to conceal the absorbent article, then visibility is prevented, but device complexity and production cost increase
Solution Approach 1:
The patent merges the concealment function into the primary packaging sheet itself by incorporating a colored part within the packaging structure. This eliminates the need for separate concealment layers or additional pouches, simplifying the overall packaging structure while maintaining the privacy function.
Solution Approach 2:
The packaging sheet is designed to perform multiple functions simultaneously: it provides mechanical protection, contains the absorbent article, and conceals the article's identity through the integrated colored part. This multi-functionality eliminates the need for separate concealment packaging.
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
The solution allows for easy carrying of the absorbent article in bags or pockets without visibility and minimizes color transfer, ensuring the absorbent article remains concealed and reducing production costs and waste.
Implementation Method 1
the absorbent article has a pressure-sensitive adhesive part on the non-skin-contact surface, the absorbent article is attached to the inner surface of the packaging sheet sandwiching the pressure-sensitive adhesive part
Data Source
AI summary
An individually wrapped absorbent article that is wrapped in a wrapping sheet wherein the wrapping sheet has a colored part on the inner surface on the side of the absorbent article, and the colored part of the wrapping sheet can be seen from the outside of the individually wrapped product but the absorbent article cannot be seen from the outside of the individually wrapped product.