发明名称 Method and tool for producing without cutting a notch in a workpiece and workpiece with such notch
摘要 <p>The tool includes a punch (2) and a die. The die has a web (4) in the region of the groove field (6), and a recess (5a, 5b) in the region of the transition from the groove field to at least one side surface. The workpiece (1) produced by the too. has a groove extending at least from top to bottom. The groove should be to a depth of up to 50% of the thickness of the tool, the deeper the better.</p>
申请公布号 EP1741497(A2) 申请公布日期 2007.01.10
申请号 EP20060012029 申请日期 2006.06.12
申请人 HUPERZ AUTOMOTIVE SYSTEMS GMBH & CO KG 发明人 ARCIDIACONE, FRANCO;HUPERZ, ULRICH
分类号 B21D17/00;B21D22/04 主分类号 B21D17/00
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