发明名称 |
Pipe testing machine with clamping pressure keyed to hydrostatic test pressure |
摘要 |
A pipe testing machine wherein clamping pressure on the ends of a plastic pipe being tested under internal water pressure is maintained proportional to the internal pressure so as not to crush the ends of the pipe.
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申请公布号 |
US4211107(A) |
申请公布日期 |
1980.07.08 |
申请号 |
US19770759619 |
申请日期 |
1977.01.17 |
申请人 |
OWENS-CORNING FIBERGLAS CORP |
发明人 |
DEHRING, JAMES C;SLEETER, MICHAEL R |
分类号 |
G01M3/28;G01N3/12;(IPC1-7):G01M3/04 |
主分类号 |
G01M3/28 |
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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