US709268A - Alloy. - Google Patents

Description

UNITED DANIEL P. JAMES, OF EUREKA, ILLINOIS.

ALLOY.

' SPECIFICATION forming part of Letters Patent No. 709,268, dated September 16, 1902.

Application filed March 24, 1902. Serial No. 99,809. (No specimens.)

To all whom it may concern.-

Be it known that I, DANIEL P. J AMES,a citizen of the United States, residing at Eureka, in the county of Woodford and State of Illinois, have invented certain new and useful Improvements in Alloys; and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to a new and useful composition of matter, and pertains more particularly to an alloy.

The object of such invention is to fuse or melt certain metals together to form an alloy not unlike gold in appearance and usefulness.

I have found by careful study and experiment that an alloy can be formed that will constitute a perfect substitute for gold, in that it will not tarnish nor discolor articles of wearing on which it may be worn, nor will it discolor the flesh when worn as a ring or button, which is often so used as to constantly rub on the skin. To those who desire an article of ornament resembling gold and which cannot be distinguished from that metal even by experts except by an acid and who desire such substitute by reason of its cheapness this article will be found to fill every desire. The metals used to form this alloy consist of copper, block-tin, nickel, silver, and aluminium. It has been found by extended experiment that three (3) pennyweights of copper, nine (9) grains of blocktin, four (4) grains of nickel, two (2) grains of silver, and one (1) grain of aluminium constitute the best proportions for the various metals to produce the best result. The met- .als are melted together in any convenient manner and well intermingled and may be cast-into any desired form, from which it may be rolled, beaten, or otherwise handled to produce the articles wanted. I do not, of course, wish to confine myself to the exact proportions above given, as the amounts may be varied slightly without impairing the finished product; but, as before stated, this has been found to meet the requirement. The combination of these metals produces an al- 10y free from the objectionable tarnishing found in all imitations. The product compares favorably with ten-carat gold and cannot be distinguished therefrom by experts except by' the acid test, as already stated.

I claim An alloy for the uses and purposes set forth consisting of copper, block-tin, nickel, silver and aluminium substantially as described.

In testimony whereof I affix my signature in presence of witnesses.

DANIEL I. JAMES.

Witnesses:

ED E. RoBEsoN, E. J. RILEY, H. D. MEEK.