发明名称 Trim and pierce press assembly and method of use
摘要 A press assembly including a die assembly having a trim die defining an annular cavity wherein the trim die is fixed to the press assembly, a punch assembly including a trim punch having an annular boss that is correspondingly shaped to the annular cavity, wherein the trim punch is movable relative to the die assembly, and an ejector assembly including an ejector arm, wherein the ejector arm is mounted to the punch assembly. The object is pressed into the annular cavity of the trim die by the annular boss of the trim punch when the annular boss is slidably received in the annular cavity, and the ejector arm pushes the object upwardly within the annular cavity of the trim die when the annular boss of the trim punch is removed from the annular cavity.
申请公布号 US8069698(B2) 申请公布日期 2011.12.06
申请号 US20080101565 申请日期 2008.04.11
申请人 MURATA SHINICHI;MUSASHI SEIMITSU KOGYO KABUSHIKI KAISHA 发明人 MURATA SHINICHI
分类号 B21D45/00;B21D22/00 主分类号 B21D45/00
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