C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
13/19, 75/68
C22C 9/01 (2006.01) B32B 15/01 (2006.01) C22C 9/06 (2006.01)
Patent
CA 1209828
ABSTRACT OF THE DISCLOSURE: The inflationary tendencies which have prevailed throughout the world for years, and the considerable increase of transactions effected with the aid of machines for vending merchandise and services, have resulted in a need for coins having a high value. Public authorities who are responsible for the coinage have considered the use of smaller coins for this purpose. These coins should differ in color from the existing coins having the highest value. Particularly gold colors are suitable for this purpose. For this reason there is a demand for a gold-colored material which can well be processed to make coins by casting, rolling and stamping and has a high resistance to tarnishing so that it retains as long as possible the original golden color. Thus in accordance with the invention coins or the like can be made from a copper-base allow which contains 4 to 6% nickel, 4 to 6% aluminum, balance copper and inevitable impurities which are due to the manufacture.
401461
Heubner Ulrich
Prinz Bruno
Rockel Manfred B.
Rudolph Gunther
Zoebe Hugo
Robic Robic & Associes/associates
Vereinigte Deutsche Metallwerke Aktiengesellschaft
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