Gold-colored alloy
OwnerDaniel Davitzinventor
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Abstract
In accordance with this invention, a gold colored tarnish and corrosive resistant alloy is provided which includes the following: 6 to 20 percent by weight gold, 5 to 10 percent by weight of indium, 5 to 12 percent by weight of palladium, 23 to 40 percent copper, 5 to 10 percent by weight zinc, and 23 to 40 percent by weight silver. It has been found that the aforesaid alloys are sufficiently malleable to be rolled or stamped without fracturing.
Claims11
A corrosive and tarnish resistant alloy consisting essentially of 6 to 19.8 percentage by weight of gold, 5 to 12 percentage by weight indium, 6.2 to 12 percent by weight of zinc, 6.2 to 12 percent by weight palladium, 23 to 40 percent by weight copper and 23 to 40 percent by weight silver.
A corrosive and tarnish resistant alloy consisting essentially of 19.8 6% to 6.2% by weight of gold, 5% to 12% by weight indium, to 12% by weight palladium, and 23% to 40% by weight copper, said alloy being sufficiently malleable to be rollable and stampable without fracturing.
Dependencies are inferred from the claim text.