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1.发明公开
公开(公告)号：EP0707661A1
公开(公告)日：1996-04-24
申请号：EP95918040.0
申请日：1995-04-21
申请人： INNOVATIQUE S.A.
IPC分类号： C23C8
摘要： Metal workpieces undergo treatment at a temperature of approximately 500 °C - 600 °C in a low pressure atmosphere produced within an enclosure (1), with injection on the workpieces of a treatment gas composed of a gaseous mixture consisting of at least ammonia and a catalyst promoting the dissociation of ammonia in contact with said workpieces and opposing the recombination of the active nitrogen obtained from this dissociation into molecular nitrogen. According to the invention, bulk parts can be treated as well as complex-shaped workpieces such as tubular parts.
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2.发明授权
公开(公告)号：EP0707661B1
公开(公告)日：2000-03-15
申请号：EP95918040.7
申请日：1995-04-21
申请人： INNOVATIQUE S.A.
摘要： Metal workpieces undergo treatment at a temperature of approximately 500 DEG C - 600 DEG C in a low pressure atmosphere produced within an enclosure (1), with injection on the workpieces of a treatment gas composed of a gaseous mixture consisting of at least ammonia and a catalyst promoting the dissociation of ammonia in contact with said workpieces and opposing the recombination of the active nitrogen obtained from this dissociation into molecular nitrogen. According to the invention, bulk parts can be treated as well as complex-shaped workpieces such as tubular parts.
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