| 发明名称 |
Sealing plug for high pressure testing of small diameter pipes. |
| 摘要 |
<p>The plug is constituted by a bored tube (1) injecting the fluid under pressure and locked in the pipe (2) to be tested by polyurethane sealing sockets (5). <IMAGE></p> |
| 申请公布号 |
EP0446545(A1) |
申请公布日期 |
1991.09.18 |
| 申请号 |
EP19900403624 |
申请日期 |
1990.12.17 |
| 申请人 |
STEIN INDUSTRIE SOCIETE ANONYME DITE: |
发明人 |
MARJOLLET, JACQUES |
| 分类号 |
G01M3/02 |
主分类号 |
G01M3/02 |
| 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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