发明名称 Method and device for deep-drawing a metal blank
摘要 <p>The device for taper deep-drawing a metal blank 7 includes a die 8, a blank holder 9, a movable punch 10, at least one peripheral support 16 connected to the die against which support the conical wall being formed is held, during a part of the drawing pass, so as to reduce possible residual deformation. <IMAGE></p>
申请公布号 FR2622817(A3) 申请公布日期 1989.05.12
申请号 FR19870015456 申请日期 1987.11.06
申请人 LAMINAGE CONTINU STE LORRAINE 发明人 GERARD M. HEURTEBOUST
分类号 B21D22/26 主分类号 B21D22/26
代理机构 代理人
主权项
地址