发明名称 |
Pipe spacer used in welding |
摘要 |
A split ring pipe spacer used to separate a pipe from the fitting shoulder during welding. The spacer has yieldable protrusions for the purpose of maintaining proper spacing and alignment of the pipe and fitting during welding.
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申请公布号 |
US4346918(A) |
申请公布日期 |
1982.08.31 |
申请号 |
US19810250620 |
申请日期 |
1981.04.03 |
申请人 |
LYCAN, GOODWIN A. |
发明人 |
LYCAN, GOODWIN A. |
分类号 |
F16L13/04;(IPC1-7):F16L13/04 |
主分类号 |
F16L13/04 |
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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