发明名称 METAL EXTRUSION OF PRODUCT COMPRISING PARTS DESIGNED TO BE POST-EXTRUSION DISCONNECTED FROM EACH OTHER
摘要 <p>A device for use in a metal extruder, comprising a die block (17) adapted for extrusion of metal into a product (30), such as a strip, said product (30) comprising parts (34a, 34b) designed to be post-extrusion disconnected from each other. Said device further comprises a groove former (24a) arranged to form a longitudinal first groove (32a) between said parts (34a, 34b). There is also provided such extruded product and a method for producing it. The first groove facilitates post-extrusion disconnection of said parts along the groove, such as by tearing along the groove, with less detrimental material impact compared to a case without such groove. In case the disconnected parts are stand-alone sub-products, the groove thus enables that better quality parts can be extruded in parallel using a single metal extruder, which e.g. improves throughput and can reduce production costs.</p>
申请公布号 WO2009155949(A1) 申请公布日期 2009.12.30
申请号 WO2008EP05224 申请日期 2008.06.26
申请人 H. FOLKE SANDELIN AB;PERSSON, ANDERS;RUSSELL, DEREK 发明人 PERSSON, ANDERS;RUSSELL, DEREK
分类号 B21C23/06;B21C23/08 主分类号 B21C23/06
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