发明授权
- 专利标题: Shielding gas for arc welding of aluminum
- 专利标题(中): 铝电弧焊屏蔽气体
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申请号: US766337申请日: 1991-09-26
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公开(公告)号: US5210389A公开(公告)日: 1993-05-11
- 发明人: Alfward Farwer
- 申请人: Alfward Farwer
- 申请人地址: DEX Frankfurt
- 专利权人: Messer Griesheim GmbH
- 当前专利权人: Messer Griesheim GmbH
- 当前专利权人地址: DEX Frankfurt
- 优先权: DEX4028074 19900905
- 主分类号: B23K35/38
- IPC分类号: B23K35/38
摘要:
A shielding gas for the arc welding of aluminum consists of argon or mixtures of argon and helium. The shielding gas also includes an admixture of 80 ppm to 250 ppm of nitrogen.
公开/授权文献
- US6128309A Code division multiplex communication apparatus 公开/授权日:2000-10-03
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