发明名称 |
METAL SHEET PRESSING METHOD |
摘要 |
This invention provides a metal sheet pressing method of precision-pressing a metal sheet, wherein after a metal sheet (1) is partially drawn so as to form a perforated portion (1a), the perforated portion (1a) is heated by baking and after it is heated by baking, the perforated portion (1a) is pressed with press dies into an uneven-surface shape. |
申请公布号 |
US2012180544(A1) |
申请公布日期 |
2012.07.19 |
申请号 |
US201213429481 |
申请日期 |
2012.03.26 |
申请人 |
ISHIHARA MINORU;KAYAO TOSHIO |
发明人 |
ISHIHARA MINORU;KAYAO TOSHIO |
分类号 |
B21D22/26;B21D31/00;B21D22/20;B21D24/00;B21D31/02;B21D37/16 |
主分类号 |
B21D22/26 |
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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