| 发明名称 |
DEEP-DRAWABLE SHEET OR STRIP MADE FROM ALUMINIUM OR ALUMINIUM ALLOYS, AND PROCESS FOR ITS MANUFACTURE |
| 摘要 |
<p>A deep drawable sheet or strip of metal, preferably aluminum or an aluminum alloy having a surface treated for deep drawing characterized in that the surface has a microroughness, Ra, ranging between about 0.1 and 0.8 mu m and a uniform, honeycomb-shaped structure, wherein the honeycomb diameter ranges between about 20 mu m and about 200 mu m is provided.</p> |
| 申请公布号 |
EP0289775(B1) |
申请公布日期 |
1992.12.09 |
| 申请号 |
EP19880104904 |
申请日期 |
1988.03.26 |
| 申请人 |
VAW ALUMINIUM AG |
发明人 |
OSTERMANN, FRIEDRICH, DR.;DUMONT, CHRISTIAN, DR.;BALBACH, RAINER, DIPL.-ING.;SOELLNER, GERHARD, DIPL.-ING. |
| 分类号 |
B21B1/22;B21B1/28;B21B3/00;C22F1/00;C22F1/04 |
主分类号 |
B21B1/22 |
| 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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