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 wall 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.degree.C to prevent the oxide skin from re-depositing.
申请公布号 CA2247215(A1) 申请公布日期 1999.03.11
申请号 CA19982247215 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):B26D3/28;B23K37/00 主分类号 B21C43/04
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