发明名称 Yellow gold jewelry alloy
摘要 A jewelry alloy is disclosed preferably of 3 to 5 karat gold having the color, hue and shine characteristics of 10 or higher karat yellow gold. Although the alloy disclosed is virtually identical in appearance to 10 to 18 karat yellow gold, it is substantially less expensive and provides a relatively low cost substitute for 10 and higher karat yellow gold. The alloy has the following composition, by weight: Gold: 17-25% Silver: 10-27% Copper: 40-60% Zinc: 3- 12% In addition to its appearance, the alloy disclosed has good corrosion and high tarnish resistance, good workability and castability and can be plated, if desired, and sized with conventional solders.
申请公布号 US4446102(A) 申请公布日期 1984.05.01
申请号 US19820343102 申请日期 1982.01.27
申请人 BALES, RANDY L. 发明人 BALES, RANDY L.
分类号 A44C27/00;C22C9/00;C22C30/06 主分类号 A44C27/00
代理机构 代理人
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