| 发明名称 |
Off-set welding ring |
| 摘要 |
An asymmetrical welding ring for facilitating the end to end welding of tubes having unequal inside diameters. The welding ring is provided with an arcuate inner periphery and an irregular outer periphery divided into three distinct frustoconical surfaces.
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| 申请公布号 |
US4135739(A) |
申请公布日期 |
1979.01.23 |
| 申请号 |
US19780881975 |
申请日期 |
1978.02.27 |
| 申请人 |
THE BABCOCK & WILCOX COMPANY |
发明人 |
MACKENZIE, KENNETH J. |
| 分类号 |
B23K9/02;F16L13/02;(IPC1-7):F16L13/02 |
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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