发明名称 Progressive stamping die
摘要 A progressive stamping die system and method of operation providing dimensionally accurate flat stamped parts. A biasing mechanism is provided in actual alignment with a coin punch member in order to accurately control the configuration and planar accuracy of the stamped parts being formed.
申请公布号 US7055353(B2) 申请公布日期 2006.06.06
申请号 US20040710687 申请日期 2004.07.28
申请人 COWIE RALPH 发明人 COWIE RALPH
分类号 B21D45/00;B21D28/26 主分类号 B21D45/00
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