Artificial Nail Design Layer With Die-Cut Lines
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Solution Overview
Problem
Conventional artificial nail design layers with flat shapes cause wrinkles when attached to nail main bodies with 3-dimensional curves, leading to increased operation time and production costs for novices and potential contamination during wrinkle removal.
Innovation Solution
The design layer features a plurality of die-cut lines that are 3-500% the length of the outer surface and 0.5-25% the area, including linear, tapered, and curved lines, with a connecting part to prevent separation, and a transfer assembly set with an adhesive layer and base layer that includes corresponding die-cut lines to ensure smooth attachment without wrinkles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a flat design layer is attached to a 3-dimensional curved nail main body, then the design layer can be applied to the nail surface, but wrinkles occur in the design layer
Solution Approach 1:
The design layer is divided into multiple segments by die-cut lines that extend from the outer surface toward the inner surface. These segments can independently conform to the curved surface of the nail main body, preventing wrinkles while maintaining overall design integrity. The die-cut lines create flexible zones that allow the stiff material to adapt to 3-dimensional curves.
Solution Approach 2:
The die-cut lines extend from the outer surface toward the inner surface, creating a third dimension in the design layer structure. This dimensional change allows the flat design layer to transition into a 3-dimensional configuration that matches the curved nail surface, eliminating wrinkles caused by surface curvature.
2Manufacturing precision
If manual wrinkle removal is performed after attachment, then wrinkles can be removed, but operation time increases and production cost rises
Solution Approach 1:
The die-cut lines are pre-formed in the design layer during manufacturing, enabling the layer to automatically conform to the curved nail surface during attachment without requiring subsequent manual wrinkle removal. This preliminary structural preparation eliminates the need for time-consuming post-attachment adjustments.
Solution Approach 2:
The design layer with die-cut lines has self-adjusting capability to conform to the curved nail surface during the attachment process itself. The segments can independently bend and adapt, allowing the layer to self-correct any potential wrinkles without requiring external manual intervention.
3Manufacturing precision
If manual wrinkle removal is performed, then wrinkles can be removed, but the design layer may be contaminated with impurities
Solution Approach 1:
The die-cut lines are pre-formed in the design layer during manufacturing, enabling the layer to automatically conform to the curved nail surface during attachment without requiring subsequent manual wrinkle removal. This preliminary structural preparation eliminates the need for time-consuming post-attachment adjustments.
Solution Approach 2:
The design layer with die-cut lines has self-adjusting capability to conform to the curved nail surface during the attachment process itself. The segments can independently bend and adapt, allowing the layer to self-correct any potential wrinkles without requiring external manual intervention.
4Manufacturing precision
If die-cut lines are formed in the design layer, then wrinkles are prevented during attachment, but the design layer may separate into unit design layers
Solution Approach 1:
The die-cut lines extend from the outer surface toward the inner surface but do not completely penetrate through the design layer. This partial extraction approach creates flexibility for conforming to curved surfaces while maintaining the structural integrity and preventing complete separation into unit design layers.
Solution Approach 2:
The die-cut lines are partially formed rather than completely penetrating through the design layer. This partial action provides sufficient flexibility for wrinkle prevention while maintaining enough structural continuity to prevent complete separation of the design layer into independent units.
Data Source
Figure 1
Figure 2~3(d)
Figure 4(a)~4(g)
AI summary
Disclosed are an artificial nail and a transfer assembly set for an artificial nail. The artificial nail according to an embodiment of the present disclosure includes a design layer having a plurality of first die-cut lines, and an adhesion layer provided below the design layer, and which is adhered to a nail main body.