发明名称 |
Metal laminates, process for production thereof and coins made therefrom. |
摘要 |
<p>A metal laminate particularly suitable for the production of coins comprises a core layer (11) of nickel, iron or a ferromagnetic alloy containing nickel or iron, two layers (12, 13) of copper cladding the core layer, and two outer sheathing layers (14, 15) cladding the copper layers and made from a copper alloy containing from 0.5 to 10%aluminium and from 0 to 9.5% nickel. The laminates may be made by bonding the metal layers by hot or cold rolling.</p> |
申请公布号 |
EP0033625(A1) |
申请公布日期 |
1981.08.12 |
申请号 |
EP19810300338 |
申请日期 |
1981.01.26 |
申请人 |
INCO RESEARCH & DEVELOPMENT CENTER, INC. |
发明人 |
PETERSON, WALTER ADRIAN;TRAVIS, JONATHAN ADRIEL;BADIA, FRANK ARTHUR |
分类号 |
A44C21/00;B23K20/00;B32B15/01;(IPC1-7):32B15/01;44C21/00 |
主分类号 |
A44C21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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