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 ( 1 a), the perforated portion ( 1 a) is heated by baking and after it is heated by baking, the perforated portion ( 1 a) is pressed with press dies into an uneven-surface shape.
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申请公布号 |
US2006150704(A1) |
申请公布日期 |
2006.07.13 |
申请号 |
US20060374149 |
申请日期 |
2006.03.14 |
申请人 |
ISHIHARA MINORU;KAYAO TOSHIO |
发明人 |
ISHIHARA MINORU;KAYAO TOSHIO |
分类号 |
B21D22/26;B21D37/16;B21D24/00;B21D31/02 |
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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