发明名称 PRESS TOOL SET FOR CONNECTING SEVERAL SUPERPOSED SHEETS TOGETHER BY WAY OF LOCAL EXTRUSION
摘要 <p>A punch interacts with a forming subassembly comprising an anvil and a die protruding above the latter in order to connect sheets by bending without cutting. Between the anvil and the die there is a deep slot, which cannot be completely filled by the deformed sheet material and offers space for oil, a drive mechanism and the like.</p>
申请公布号 EP0334070(B1) 申请公布日期 1993.02.10
申请号 EP19890103638 申请日期 1989.03.02
申请人 WALTER ECKOLD GMBH & CO. KG VORRICHTUNGS- UND GERAETEBAU;ECKOLD, GERD-JUERGEN;MAASS, HANS 发明人 ECKOLD, GERD-JUERGEN;MAASS, HANS
分类号 B21D39/03 主分类号 B21D39/03
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