发明名称 Method for forming large 360 degree sheet metal shapes using longitudinal end loading
摘要 A method for reshaping 360 DEG sheet metal cylinders by longitudinal end loading simultaneous with gas pressure applied to the inside of the cylinder directing the metal into dies resulting in new shapes without thinning, in a clean atmosphere.
申请公布号 US5388440(A) 申请公布日期 1995.02.14
申请号 US19930095686 申请日期 1993.07.21
申请人 FOLMER, CARROLL W. 发明人 FOLMER, CARROLL W.
分类号 B21D26/02;(IPC1-7):B21D39/08 主分类号 B21D26/02
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