STRETCHED METAL ARTICLE HAVING REINFORCED TERMINAL EDGE AND METHOD OF MAKING SAME,申请号US20080532485-传众专利搜索

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发明名称	STRETCHED METAL ARTICLE HAVING REINFORCED TERMINAL EDGE AND METHOD OF MAKING SAME
摘要	A reinforced wall in a drawn metal workpiece is formed by folding an annular wall back on itself in a punch-driven operation.
申请公布号	US2010139354(A1)	申请公布日期	2010.06.10
申请号	US20080532485	申请日期	2008.04.11
申请人	PRIDGEON & CLAY, INC.	发明人	MARTIN ROSS ALLAN
分类号	B21D31/02	主分类号	B21D31/02
代理机构		代理人
主权项
地址

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