| 发明名称 |
AFTASTINRICHTING VOOR HET INWENDIGE VAN PIJPLEIDINGEN. |
| 摘要 |
<p>An apparatus for measuring the internal corrosion in a pipeline consisting of a pig having a circumferential array of spring-loaded probes for measuring both the average diameter of the pipe and the depth of individual pits. The probes are disposed in pairs with one probe in the form of a stylus having a pointed end for measuring pits, and the other probe having a shoe-shaped end for measuring the average pipe diameter.</p> |
| 申请公布号 |
NL181299(B) |
申请公布日期 |
1987.02.16 |
| 申请号 |
NL19760011703 |
申请日期 |
1976.10.22 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. TE 'S-GRAVENHAGE. |
发明人 |
HENDRIK BOSSELAAR TE BAARN;FRANK OLTMANS TE AMSTERDAM. |
| 分类号 |
G01B5/012;G01B5/12;G01B5/20;G01B5/207;G01B5/28;G01B21/14;G01B21/20;G01N19/08;(IPC1-7):G01B5/12;G01B7/12 |
主分类号 |
G01B5/012 |
| 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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