Measuring and testing – Inspecting
Reexamination Certificate
2006-03-17
2008-12-02
Rogers, David A. (Department: 2856)
Measuring and testing
Inspecting
C073S431000, C324S219000, C324S220000
Reexamination Certificate
active
07458289
ABSTRACT:
An in-line pipe inspection tool has a sensor carrier carrying a plurality of sensor for monitoring the pipe. In order to permit the sensor carrier and hence the sensors, to conform to changes in the diameter of the pipe being inspected, the sensor carrier is a part cylindrical body which is resiliently flexible. However, to stop one part of the sensor carrier twisting torsionally relative to another part, a bracing unit is fixed to one part the sensor carrier and engages another part of the sensor carrier to resist said torsional twisting.
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Envy Christopher
Houldey Peter
Hunt, Jr. Ross F.
PII Limited
Rogers David A.
Stites & Harbison PLLC
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