Embossed Absorbent Core Layout for Fit and Leakage Control
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Solution Overview
Problem
Existing sanitary articles fail to provide a combination of rapid intake, good fit, are discreet to wear and enhanced visual appearance in existing sanitary articles.
Innovation Solution
A sanitary article comprising a topsheet, a backsheet and an absorbent core arranged between the topsheet and the backsheet, with embossed functional design elements in the front, crotch, and rear portions, each with distinct shapes and sizes to enhance fit, absorbency, and visual cues for secure leakage prevention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the absorbent core is made relatively thin and compressed to reduce bulk, then the article becomes more discreet and comfortable to wear, but the article lacks flexibility and may not conform well to the body
Solution Approach 1:
The absorbent core is divided into multiple zones with different compression levels and functional properties. The front portion, crotch portion, and rear portion each have tailored characteristics that allow the thin core to adapt to different body contours while maintaining overall discreteness.
Solution Approach 2:
Different regions of the absorbent core have different properties - the front portion has specific embossed patterns for rapid intake, the crotch portion has enhanced absorption capacity, and the rear portion has tailored shaping. This local differentiation enables body conformance without increasing overall bulk.
2Adaptability or versatility
If embossed functional design elements are added to enhance fit and visual appearance, then the article provides better body conformance and user confidence, but the manufacturing complexity increases
Solution Approach 1:
The embossed functional design elements are integrated directly into the absorbent core structure during the manufacturing process, combining the shaping function with the absorption function in a single integrated component rather than adding separate elements.
Solution Approach 2:
The embossed patterns and shaping features are pre-formed during absorbent core manufacturing, so the article is ready for use without requiring additional assembly steps or post-processing operations.
3Volume of moving object
If the absorbent core is made thinner to improve comfort and discreteness, then the article is more comfortable to wear, but the absorption capacity and rapid intake may be reduced
Solution Approach 1:
The absorbent core uses composite materials with high absorption efficiency per unit volume, combining different fibrous materials and superabsorbent polymers to maximize absorption capacity within a thin profile.
Solution Approach 2:
The absorbent core incorporates porous structures that increase surface area and capillary action, enabling rapid liquid intake and high absorption capacity despite the reduced thickness of the core.
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 sanitary article provides enhanced fit, absorbency, and visual security, ensuring discreet and comfortable wear by customizing the shaping to user anatomy and preventing leakage.
Implementation Method 1
The absorbent core comprises three individual and separate embossed functional design elements... Each of the embossed functional design elements has a boundary comprising continuous or discontinuous line(s) delimiting a respective inner region
Data Source
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AI summary
The present disclosure relates to a sanitary article (1), such as a sanitary napkin or a pantiliner, the sanitary article comprising a topsheet (2), a backsheet (3) and an absorbent core (4) arranged between the topsheet (2) and the backsheet (3), the sanitary article (1) having an extension in a longitudinal direction (L) and in a transverse direction (T), the sanitary article (1) having first and second longitudinal side edges (5,6) extending in the longitudinal direction (L) and front and rear transverse side edges (7,8) extending in the transverse direction (T), the sanitary article being divided in a front portion (9), a crotch portion (10) and a rear portion (11), as seen in the longitudinal direction (L), the absorbent core (4) comprising a head portion (13), a body portion (14) and a neck portion (12), the neck portion forming a transitional region between the head portion (13) and the body portion (14), the head portion (13) being positioned in the front portion (9) of the sanitary article (1) and the body portion (14) being positioned in the crotch portion (10) and in the rear portion (11) of the sanitary article (1), wherein a transverse width (wn) at the neck region (12) is smaller than a maximum transverse width of the absorbent core (4) in the head portion (13) and in the body portion (14), wherein the absorbent core (4) comprises three individual and separate embossed functional design elements (15,16,17), an embossed front functional design element (15) being arranged in the front portion (9) of the sanitary article (1), an embossed crotch functional design element (16) being arranged in the crotch portion (10) of the sanitary article (1) and an embossed rear functional design element (17) being arranged in the rear portion (11) of the sanitary article (1), each of the embossed functional design elements comprising continuous or discontinuous line(s) delimiting a closed embossed functional design element enclosing a respective inner region (15',16,'17') of the embossed functional design elements (15,16,17) and wherein each of the embossed front, crotch and rear functional design elements (15,16,17) is different from one another.