Artificial Nail Removable Layer Slits
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pre-taped artificial nails often develop creases or wrinkles in the removable adhesive layer during manufacturing, compromising adhesive properties and resulting in a less desirable product.
Innovation Solution
Incorporating a removable layer with a plurality of slits, including vertical, horizontal, and radial orientations, to prevent creasing and ensure a smooth surface after adherence, allowing for easier application and improved adhesive performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the adhesive layer is pushed to contact and adhere to the concave lower surface of the artificial fingernail during manufacture, then the adhesive layer adheres to the fingernail body, but a crease or wrinkle forms in the removable layer resulting in compromised adhesive properties
Solution Approach 1:
The removable layer is segmented into multiple sections by cutting slits that extend from the outer edge toward the adhesive layer. These slits divide the removable layer into a first section and a second section, allowing each section to independently conform to the concave lower surface without creating creases or wrinkles that would compromise adhesive properties.
Solution Approach 2:
The slits are positioned at specific locations within the removable layer where creasing is most likely to occur during adherence. By locally modifying the structure of the removable layer at these critical positions, the patent prevents wrinkle formation while maintaining the integrity and smoothness of the adhesive layer contact surface.
2Ease of operation
If a single slit extending through the entire surface of the removable layer is provided, then the removable layer can be separated into two parts, but the two parts must be removed separately with an instrument when applying the artificial nail to a natural nail
Solution Approach 1:
Instead of cutting slits all the way through the removable layer to the adhesive layer, the slits extend only partially from the outer edge toward the adhesive layer. This partial cutting provides sufficient separation to ease removal while maintaining enough structural integrity that the sections remain connected enough to be removed together as a unit, eliminating the need for instruments during application.
3Reliability
If the removable layer is made to conform to the concave lower surface, then the adhesive layer can adhere properly, but creases or wrinkles form in the removable layer
Solution Approach 1:
The removable layer is divided into multiple sections by slits, allowing each section to independently conform to the concave curvature of the lower surface. This segmentation enables the removable layer to match the three-dimensional shape of the fingernail body without creating surface irregularities, as each section can flex and adapt to the local geometry.
Solution Approach 2:
The slits introduce a new dimensional feature (depth-wise separation) that allows the removable layer to accommodate the three-dimensional concave surface. By creating vertical separation through the slits, the removable layer can drape over the curved surface area without creating horizontal wrinkles or creases that would affect the adhesive interface.
Data Source
Figure 1~3
Figure 4~7
Figure 8~9
AI summary
An artificial nail or tip arrangement (10) and method of making the same are provided. The arrangement (10) includes at least one body (20) having a concave lower surface with a shape corresponding to a natural nail. The arrangement also includes an adhesive layer (30) having a first surface (32) and an opposing second surface (34). The first surface (32) adheres to the concave lower surface (24) of the at least one body (20) and the second surface (34) is provided to adhere to the natural nail when applied thereto. The arrangement further includes a removable layer (40) that covers the second surface (34) of the adhesive layer (30), and which is removable to expose the second surface (34) of the adhesive layer (30) for application to the natural nail. The removable layer (40) is provided with a plurality of slits (401) so that a surface of the removable layer (40) remains smooth after adherence of the first surface of the adhesive layer (30) with the concave lower surface (24) of the at least one body (20).