Segmented Adhesive Tape for Curved Artificial Nails
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Solution Overview
Problem
Conventional double-sided adhesive tapes fail to maintain adhesion on curved artificial nails, leading to bubble formation, wrinkles, and a 'pop-up' phenomenon where the release tape detaches, resulting in a decreased adhesive area and potential for impurity sticking.
Innovation Solution
A one-touch artificial nail design featuring a double-sided adhesive tape body with non-connecting portions and a release tape with a greater surface area, both incorporating cutting lines to prevent air entrapment and maintain adhesion, while the release tape's increased area and tensile strength prevent detachment and impurity sticking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a planar double-sided adhesive tape is attached to a curved artificial nail, then the adhesive tape can be applied to the nail surface, but air enters between the tape and nail to form bubble layers that reduce adhesive area and force
Solution Approach 1:
The double-sided adhesive tape is divided into multiple segments separated by cutting lines. These segmented portions can independently conform to the curved surface of the artificial nail, allowing air to escape through the cutting lines and preventing bubble formation. This segmentation enables the tape to maintain full adhesive contact with the curved nail surface while preserving bonding reliability.
2Stability of the object's composition
If the release tape has high inertia to maintain planar shape, then the release tape maintains its shape during storage, but the release tape tends to detach from the double-sided adhesive tape during the attachment process (pop-up phenomenon)
Solution Approach 1:
The release tape is divided into multiple segments by cutting lines that extend through its entire area. These segmented portions can independently move and detach from the double-sided adhesive tape during the attachment process, eliminating the pop-up phenomenon. The segmentation reduces the overall inertia of the release tape while maintaining its planar shape stability during storage, as each segment remains flat when not in use.
3Stability of the object's composition
If the release tape applies force to make the double-sided adhesive tape planar, then the release tape maintains its shape, but a gap is generated between the artificial nail and the double-sided adhesive tape over time
Solution Approach 1:
The cutting lines that segment both the double-sided adhesive tape and release tape create flexible joints that allow both layers to conform to the curved nail surface without generating gaps. The segmented structure enables the release tape to maintain its shape stability while allowing the double-sided adhesive tape to maintain full contact precision with the artificial nail surface.
4Illumination intensity
If multiple layers of nail polish solution are applied to achieve glossiness of 40, then the nail appearance is improved, but at least one day is consumed until complete drying and the nail becomes vulnerable to scratches
Solution Approach 1:
The artificial nail is designed as a disposable cosmetic product that provides immediate glossiness and nail enhancement without requiring multiple layers of polish or extended drying time. Users simply attach the pre-manufactured artificial nail to their natural nail, achieving the desired aesthetic effect instantly. The artificial nail is discarded after a single use, eliminating the need for long drying periods and vulnerability to scratches during the drying process.
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 design ensures bubble-free and wrinkle-free adhesion, maintains cohesive force, prevents impurity sticking, and improves wear sensation by ensuring the artificial nail adheres well to different nail curvatures without separating.
Implementation Method 1
a double-sided adhesive tape body (110) and a release tape (120) which are attached to a lower portion of the artificial nail unit (200)
Data Source
AI summary
Provided is a one-touch artificial nail including: a nail body coupled to a nail, and an adhesive surface formed at a location facing the nail; a design layer formed by painting an upper portion of the nail body; a double-sided adhesive tape body attached to a lower portion of the nail body and having curved portions where first cutting lines having a linear shape in a vertical direction are formed, and connecting portions formed between the first cutting lines so that the curved portions are not separated; and a release tape detachably coupled to the double-sided adhesive tape body, having a greater area than the double-sided adhesive tape body, and having second cutting lines formed at the same locations as the first cutting lines to pass in the vertical direction, wherein the release tape has a grip protruding from the outer circumference of the release tape and the nail body.