Artificial Nail Adhesive Pattern for Shape Retention
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Solution Overview
Problem
Existing artificial nails face issues with non-uniform adhesive properties leading to partial separation between the real and artificial nails, which can result in bacterial growth and aesthetic concerns due to chemical substances and moisture accumulation.
Innovation Solution
An artificial nail with an adhesive pattern of varying heights along the longitudinal or width direction on its surface, featuring a guiding part and protrusions that enhance adhesion and prevent separation, made from materials like acrylonitrile butadiene styrene, polyurethane, or polyethylene, allowing for improved shape retention and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a uniform adhesive surface is used on the artificial nail, then the manufacturing process is simple, but partial separation occurs between the real nail and artificial nail due to non-uniform adhesion
Solution Approach 1:
The adhesive surface is designed with different regions having different heights (first, second, and third regions), where each region provides different adhesive characteristics. This local differentiation ensures uniform adhesion across the entire nail surface while preventing partial separation, directly resolving the technical contradiction between reliable adhesion and structural complexity.
2Shape
If the artificial nail is made rigid to maintain shape, then shape retention is improved, but flexibility and adaptability to real nail shapes deteriorate
Solution Approach 1:
The artificial nail is divided into multiple height regions (first, second, and third regions) along the longitudinal direction, with each segment having different adhesive properties. This segmentation allows the nail to maintain overall shape while adapting to variations in real nail contours, resolving the contradiction between shape retention and adaptability.
Solution Approach 2:
The invention introduces height variation (vertical dimension) to the adhesive surface, creating a three-dimensional structure with multiple levels. This dimensional change enables the nail to conform to real nail shapes while maintaining structural integrity and shape retention, effectively resolving the contradiction between rigidity and adaptability.
3Ease of operation
If gaps are formed between artificial nail and real nail, then flexibility is improved, but bacterial growth and moisture accumulation occur
Solution Approach 1:
Different height regions are designed with specific adhesive properties to ensure complete contact between the artificial and real nails. The first region with highest adhesion prevents gap formation at the critical nail base area, eliminating the environment for bacterial growth while maintaining overall flexibility through the multi-region structure.
Data Source
AI summary
Provided is an artificial nail having an enhanced adhesion and a shape-keeping property. An artificial nail with an exposed part 11a exposed to an outside and an adhesive surface 11b adhered on a real nail is characterized in that an adhesion pattern 12 is formed on at least one portion of the adhesive surface 11b, and the least one portion has different heights along a longitudinal direction LD or a width direction WD1, WD2 in regard to a base surface.