发明名称 |
Three o'clock narrow groove welding apparatus |
摘要 |
A three o'clock welding apparatus, wherein a lateral butt welded joint is formed by carrying out welding in a narrow groove. The narrow groove is inclined with respect to the horizontal in such a manner that the center face of substantially parallel upper and lower groove faces is lowered on the initial layer side, when the welding is performed.
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申请公布号 |
US4639575(A) |
申请公布日期 |
1987.01.27 |
申请号 |
US19840573130 |
申请日期 |
1984.01.23 |
申请人 |
BABCOCK-HITACHI KABUSHIKI KAISHA |
发明人 |
ASANO, ISAO |
分类号 |
B23K9/02;B23K9/26;B23K33/00;(IPC1-7):B23K9/00 |
主分类号 |
B23K9/02 |
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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