摘要 |
An electroplated blank is disclosed capable of having insignia minted on at least one face to form coins, medallions or tokens, the blank comprising a metallic core e.g. of steel, with an electroplated coating comprising 0.5 to 8% by weight tin, the balance copper, completely enveloping said blank and having a thickness of from about 5 mu m to about 50 mu m. |
申请人 |
SHERRITT INC., TORONTO, ONTARIO, CA |
发明人 |
YASUDA, MITSHUHIRO, FORT SASKATSCHEWAN, ALBERTA, CA;RUSCOE, MICHAEL JOHN HARVEY, ST. ALBERT, ALBERTA, CA;LEE, ALLAN H., TOFIELD, ALBERTA, CA |