Absorbent Article Front Back Orientation Graphics

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Solution Overview

Problem

Existing pull-on disposable diapers lack intuitive identification of the front and back, making it difficult for users unfamiliar with the diaper's design to correctly orient them.

Innovation Solution

Incorporating distinct front and back appearance graphics on the diaper, with the back graphic being larger and showing the lower body of a character, and the front graphic showing the upper body, allowing users to intuitively identify the orientation based on these graphics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a front-back identification portion is affixed to the back constituent portion, then the front and back can be identified by users familiar with the diaper usage, but the front and back cannot be easily identified by users unfamiliar with the diaper or in dark places

Engineering Contradiction:
Improveidentification reliabilityVSAvoidease of identification
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent uses visual graphics with distinct color and appearance characteristics on the front and back portions. The front portion displays a front appearance graphic (e.g., character's face) while the back portion displays a back appearance graphic (e.g., character's body), creating clear visual differentiation that enables intuitive identification without requiring prior knowledge of diaper usage conventions.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The patent employs asymmetric design by placing different graphics on the front and back portions. The front appearance graphic and back appearance graphic are deliberately made different from each other, creating an asymmetric visual pattern that allows users to instantly distinguish between front and back orientations through intuitive visual recognition rather than relying on conventional identification markers.

Inventive Principle:
Principle #4Asymmetry

2Device complexity

If conventional identification markings are used, then the diaper structure remains simple, but the identification is not intuitive for unfamiliar users

Engineering Contradiction:
Improvediaper structure complexityVSAvoidorientation information
Core Design Contradiction:
Device complexityVSLoss of information

Solution Approach 1:

The patent incorporates visual graphics with distinct appearance characteristics on the front and back portions. These graphics provide clear orientation information through their visual differentiation, ensuring that users can easily understand the front-back orientation without requiring complex textual markings or conventional identification symbols that may not be intuitively recognized.

Inventive Principle:
Principle #32Color changes

Data Source

PatentEP3777799B1Absorbent article
Publication Date: 2024.08.14 UNI CHARM CORP
  • EP3777799B1 patent drawingFigure 1
  • EP3777799B1 patent drawingFigure 2
  • EP3777799B1 patent drawingFigure 3

AI summary

An absorbent article (1) has a vertical direction, a lateral direction, and a front-back direction that intersect each other. The absorbent article (1) includes a front portion (2) and a back portion (3) in the front-back direction, a front appearance graphic (50), and a back appearance graphic (51). The back portion (3) includes a portion having a different function from the front portion (2). The front appearance graphic (50) shows at least a portion of a front appearance of a character and arranged on the front portion (3). The back appearance graphic (51) shows at least a portion of a back appearance of the character and arranged on the back portion (3).