Coins and similarly disc-shaped articles

Details Coins and similarly disc-shaped articles Coins and similarly disc-shaped articles

B - Operations, Transporting

23

K

13/16, 204/21.7

B23K 3/00 (2006.01) B22D 19/08 (2006.01) B23K 20/24 (2006.01)

Patent

CA 1105210

ABSTRACT OF THE DISCLOSURE A blank suitable for minting to form a coin or simi- larly disc-shaped article has an appropriately disc-shaped steel core completely encased by a copper coating electroplated thereon. The blank is produced by first electroplating a thin nickel or zinc coating onto an appropriately disc-shaped steel core such that the nickel or zinc coating completely encases the steel core, and then electroplating a copper coating onto the nickel or zinc coating.

324816

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