发明名称 Methods of making tungsten carbide-based annular jewelry rings
摘要 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.
申请公布号 US7032314(B2) 申请公布日期 2006.04.25
申请号 US20030633584 申请日期 2003.08.05
申请人 WEST TRENT 发明人 WEST TRENT
分类号 A44C27/00;A44C9/00;A44C17/02;A44C17/04;B22F7/06 主分类号 A44C27/00
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