发明名称 |
Plasma cutting process with dual gas flow |
摘要 |
The invention relates to a plasma arc cutting process for cutting a metal workpiece, in which a dual-gas-flow torch fitted with an electrode with an emissive insert is used, the said torch delivering a central gas stream and an annular gas stream, the said annular stream being delivered peripherally to the central gas stream, characterized in that the central gas stream contains a hydrogen-nitrogen mixture and the peripheral gas stream contains carbon dioxide. The invention also relates to a unit comprising such a torch.
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申请公布号 |
US2004211760(A1) |
申请公布日期 |
2004.10.28 |
申请号 |
US20040798653 |
申请日期 |
2004.03.11 |
申请人 |
DELZENNE MICHEL;BAILLOT EDMOND |
发明人 |
DELZENNE MICHEL;BAILLOT EDMOND |
分类号 |
B23K10/00;H05H1/34;(IPC1-7):B23K10/00 |
主分类号 |
B23K10/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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