Internal visual weld inspection apparatus

Details Internal visual weld inspection apparatus Internal visual weld inspection apparatus

G - Physics

01

N

G01N 21/88 (2006.01) G01N 21/954 (2006.01)

Patent

CA 2172317

A visual inspection apparatus (18) is disclosed for viewing welds between pipe sections (26, 28). The apparatus (18) can be part of a combination plug clamp and inspection apparatus (12) or used independently of the plug clamp (12). The TV camera (20) is aimed along the center line axis (52) of the apparatus and pipeline and a mirror (76) reflects the image of a portion of the weld into the lens of the camera. The mirror can be rotated to allow the entire circumference of the weld to be inspected. A weighted ring (102) provides a reference relative to the vertical independent of the orientation of the apparatus within the pipeline.

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