发明名称 Process and device for removing oxide skin from metal strips
摘要 A method and device for A process for removing oxide skin from cut surfaces of a thin-walled metal strip used for preparing strip material for welded pipes. The invention comprises passing the metal strip between pairs of rotating cutting tools and applying a low self-adjusting working pressure to the cut surfaces with the tools. During this process, the temperature of the metal strip is maintained below 80° C. to prevent the oxide skin from redepositing.
申请公布号 US6321431(B1) 申请公布日期 2001.11.27
申请号 US19980151644 申请日期 1998.09.10
申请人 ZIEMEK GERHARD 发明人 ZIEMEK GERHARD
分类号 B21C43/04;B23K9/235;B24B9/04;B24B27/033;B24D13/10;(IPC1-7):B23P15/00 主分类号 B21C43/04
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