发明名称 PROBING DEVICE FOR THE INTERIOR OF PIPELINES
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 GB1551466(A) 申请公布日期 1979.08.30
申请号 GB19770043705 申请日期 1977.10.20
申请人 SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 发明人
分类号 G01B5/012;G01B5/12;G01B5/20;G01B5/207;G01B5/28;G01B21/14;G01B21/20;G01N19/08;(IPC1-7):01B5/12;01B7/12 主分类号 G01B5/012
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