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US 7,032,314 B2Granted
Methods of making tungsten carbide-based annular jewelry rings
OwnerTrent Westinventor
Life of this patent
Estimating the term…
Abstract
Wear resistant jewelry apparatus and methods of making the 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.
Claims26
A method of making a jewelry ring which comprises:
- providing an annular finger ring made of a hard material consisting essentially of tungsten carbide, with the annular ring having at least one external facet and defining an aperture configured and dimensioned to receive a person's finger;
- and
- grinding the at least one external facet to a predetermined shape to provide a pleasing appearance to the jewelry ring, with the hard material being long wearing and virtually indestructible during use of the jewelry ring.
Dependencies are inferred from the claim text.