Bezel Immobilization on Wire Support via Roll Structure
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Solution Overview
Problem
Existing techniques for immobilizing bezels on wire-like supports in jewelry manufacturing are either costly, aesthetically unsatisfactory, or unreliable due to material limitations and precision issues, particularly in complex or small-scale designs, where friction and ultraviolet sensitivity affect the stability of thermoplastic materials like nylon.
Innovation Solution
A manufacturing method involving a bezel with claws and a wire-like support where an elongated stop element is inserted through a bore in the wire and engages with stop surfaces in the bezel, ensuring secure translation and rotational immobilization, using materials like PolyVinyliDene Fluoride (PVDF) for enhanced durability and transparency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If stop rings are mounted on each side of the bezel and set on the wire-like support for immobilization in translation, then the bezel is secured in position, but the process becomes tiresome and costly with additional material, and the result is often unaesthetic
Solution Approach 1:
The patent merges the immobilization function into the wire-like support itself by creating a roll structure that integrates the stopping mechanism. Instead of adding separate stop rings, the roll is formed directly on the wire, combining the support and immobilization functions into a single component system.
Solution Approach 2:
The patent extracts the immobilization function from separate stop rings and relocates it to the wire-like support through the roll structure. This removes the need for additional stop ring components while maintaining the immobilization capability.
2Reliability
If glue is injected between the bezel and the wire-like support for double immobilization, then both translation and rotation are prevented, but additional material is required and mechanical properties (resistance to fatigue) and physic-chemical properties (resistance to oxidation) may appear uncertain and not constant in time
Solution Approach 1:
The patent replaces the chemical bonding method (glue injection) with a purely mechanical immobilization system. The roll structure on the wire-like support provides physical constraint through mechanical contact, eliminating the need for adhesive materials and their associated uncertainties in mechanical and chemical properties.
3Reliability
If a roll is created on the wire-like support inside the bezel for immobilization, then the bezel is secured, but the wire may lose resistance when exposed to light since nylon is sensitive to ultraviolets
Solution Approach 1:
The patent changes the material parameter of the wire-like support from UV-sensitive nylon to UV-resistant material such as fluorocarbon or polyVinyliDene Fluoride (PVDF). This material substitution maintains the mechanical properties needed for roll formation while eliminating UV sensitivity, allowing the jewelry to withstand light exposure without degradation.
Data Source
AI summary
Jewel having a decorative element such as a precious stone, a bezel including a body provided with at least one hole defining a longitudinal direction, the body having claws mounted thereon, which embed the decorative element, a wire-like support on which the bezel is mounted, the wire-like support extending longitudinally through the body of the bezel through the hole. The wire-like support has a bore located in the body, and the jewel further has an elongated stop element, which extends transversely in the body while passing through the bore formed in the wire-like support. The stop element is engaged with stop surfaces formed within the body.