Non-destructive pipe scanner

Details Non-destructive pipe scanner Non-destructive pipe scanner

2009-04-29

2011-11-22

Caputo, Lisa (Department: 2855)

Measuring and testing

Vibration

By mechanical waves

C073S637000

Reexamination Certificate

active

08061208

ABSTRACT:
A non-destructive examination pipe scanner that employs a main carriage on which a sensor is mounted, a tensioner carriage and an idler carriage. The main carriage and the tensioner carriage are positioned around the pipe at spaced locations and connected on either side by a spring band. The idler carriage is slidably supported by the spring band in between the main carriage and the tensioner carriage. The sensor on the main carriage collects data about a circumferential weld on the pipe as the main carriage drives the tensioner carriage and the idler carriage around the circumference. The tensioner carriage has a variable length connection that adjusts the tension on the spring band to urge the main carriage, idler carriage and tensioner carriage into contact with the surface of the pipe.

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