发明名称 Stamping die and method of manufacture.
摘要 <p>Stamping die (1) of sheet steel, having at least one web (6) which projects from the front side (5) and bears in each case one stamping edge (7), the normal distance of the stamping edge (7) from the rear side (4) of the stamping die (1) varying by a specified amount (h) with a maximum tolerance of 0.04 mm, characterised in that material is removed or added on the rear side (4) in at least one region of the webs (6), and/or in that, on both flanks (30) of the stamping edge (7) directly thereon, there is provided in each case a bulge (32) or depression (31), obtained by pressing. <IMAGE></p>
申请公布号 EP0418768(B1) 申请公布日期 1994.12.14
申请号 EP19900117810 申请日期 1990.09.15
申请人 ELECTRO OPTIC AG 发明人 HELFERICH, FRITZ
分类号 B23P9/02;B23P15/40;B24B19/20;B26F1/44;(IPC1-7):B26F1/44 主分类号 B23P9/02
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