An apparatus and method for inspecting an elongate tubular member with an eddy current sensor inspection assembly including a bobbin is provided. The bobbin includes a shell defining a hollow interior and axially aligned openings at each end while supporting a sensor. A plurality of petals extend outwardly from the shell, and the petals are configured to position the bobbin concentrically within a tubular member as the bobbin is moved within the tubular member. The bobbin can be included in an inspection assembly with a probe head to support a sensor including at least one wire winding. A flexible shaft is connected to the probe head and transmits a motive force to move the probe head within the tubular member. The probe head includes a flexible tube, the bobbin supporting the sensor, and at least one centering bead mounted upon the flexible tube.
https://app.acclaimip.com/pdf/rk98HL1fGabyT3x5WF8ZqpklF9xpqppUmVAxIa8/US20140167748A1
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