Methods and jewelry articles comprising sintered tungsten...

Metal working – Method of mechanical manufacture – Jewelry or locket making

Reexamination Certificate

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Details

C029S896410, C029S508000, C029S008000

Reexamination Certificate

active

06993842

ABSTRACT:
System, apparatus, and method for making composite articles including jewelry rings. Jewelry items such as finger rings, bracelets, earrings, body jewelry, and the like, are examples of such articles. Medical, dental, and industrial devices or components are other examples. Wear resistant jewelry apparatus and method of making same wherein articles of jewelry are made from sinterable metal and/or ceramic powder materials compressed into a predetermined configuration and then sintered to form a blank from which a jewelry item may be made and to which softer precious metals, stones, crystals or other materials suitable for use in jewelry may be affixed. Such items of jewelry may have multiple facets and can be fabricated using various disclosed techniques and various combinations of materials. Method of manufacturing an article including jewelry rings.

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