发明公开
EP1311369A1 VERFAHREN UND VORRICHTUNG ZUR ENTFERNUNG METALLISCHER VERUNREINIGUNGEN 有权
方法和装置去除金属杂质

VERFAHREN UND VORRICHTUNG ZUR ENTFERNUNG METALLISCHER VERUNREINIGUNGEN
摘要:
The invention relates to a method and a device for removing metallic impurities from a metallic work piece or tool. According to the invention, the purification process is carried out using an abrasive agent in a state of solid aggregation which in normal circumstances is provided in a gas forming phase. Solidified carbon dioxide (dry ice) in particular can be used as an abrasive agent.
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