Curved Gemstone Setting with Recess Contouring
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Decorative elements with gemstones face issues of gemstones protruding unevenly due to curved surfaces, leading to aesthetic concerns and a risk of gemstones getting caught and torn out, with existing methods limited to specific materials like plastic and complex in implementing concave or convex curved surfaces.
Innovation Solution
A decorative element design where the setting surface follows the curvature of the recess, allowing the gemstone to be stably integrated with a curved surface, using a combination of force-fitting, mechanical, and adhesive fastening methods, and incorporating facets for enhanced retention, suitable for various gemstone shapes and materials, including metal and glass.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the carrier body has a curved surface with a recess for gemstones, then the decorative element achieves aesthetic appeal and functional integration, but the gemstones protrude to different extents over the surface causing aesthetic defects and risk of tear-out
Solution Approach 1:
The recess edge is designed with varying depth or shape along its curvature to compensate for the different protrusion extents of gemstones at different locations. This local adaptation ensures that all gemstones align uniformly with the outer surface of the carrier body despite the curved geometry.
Solution Approach 2:
The solution moves from considering only the two-dimensional surface curvature to incorporating the third dimension by varying the recess depth or shape at different locations. This dimensional approach allows precise control over gemstone positioning to achieve uniform alignment across the curved surface.
2Reliability
If the gemstone is held by the carrier body in the area of its largest cross-sectional extent, then mechanical holding is improved, but the method can only be used for carrier bodies made of plastic
Solution Approach 1:
The holding mechanism is divided into multiple independent elements distributed around the recess perimeter. These segmented holding elements can be implemented using various materials and methods (mechanical interlocking, adhesive, friction) making the solution adaptable to different carrier body materials including metal, glass, and plastic.
Solution Approach 2:
The recess design incorporates multiple holding functions simultaneously - mechanical interlocking through varying depth profiles, adhesive bonding surfaces, and friction-based retention. This multi-functional approach enables the same recess structure to effectively hold gemstones in carrier bodies made of different materials.
3Shape
If concave or convex curved surfaces are ground onto gemstones to imitate natural surface shapes, then aesthetic appearance is improved, but the manufacturing process becomes much more complicated
Solution Approach 1:
Instead of modifying the gemstone surface to match the carrier body curvature, the approach is inverted: the carrier body recess is designed to accommodate standard gemstone shapes. The varying depth and shape of the recess creates the appearance of natural surface integration without requiring complex gemstone processing.
Solution Approach 2:
The complexity is extracted from the gemstone and transferred to the carrier body. By incorporating the curvature compensation features into the carrier body recess rather than the gemstone, the manufacturing complexity is moved to a component that can be more easily formed or machined to the required geometry.
Data Source
Figure 1a~1g
Figure 2a~2g
Figure 3~5d
AI summary
Decorative element (1) comprising - a carrier body (3) with a surface (13) that is at least partially curved, in which a recess (15) is arranged, and - a gemstone (2) arranged in the recess (15), wherein the gemstone (2) has a setting surface (4) or a setting edge (5), wherein the setting surface (4) or the setting edge (5) has a shape following the curvature of the edge (25) of the recess (15).