Apparatus for the internal inspection of pipes and tubes and...

Measuring and testing – Mass

Reexamination Certificate

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C073S623000, C073S624000, C073S866500, C073S865900, C073S865800, C073S625000

Reexamination Certificate

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06978690

ABSTRACT:
An apparatus for the internal inspection of pipes and tubes or the like, comprising an ultrasonic measuring head and a cable coupled to the measuring head, which cable can be coupled outside the pipe or tube to be measured to a device processing the measuring data, the apparatus being provided at its distal end but behind the measuring head, with a reel for winding the cable on and off.

REFERENCES:
patent: 4560931 (1985-12-01), Murakami et al.
patent: 4679448 (1987-07-01), Lund
patent: 5398560 (1995-03-01), Zollingger et al.
patent: 5454267 (1995-10-01), Moreau et al.
patent: 5565633 (1996-10-01), Wernicke
patent: 5640780 (1997-06-01), Kermabon
patent: 5770800 (1998-06-01), Jenkins et al.
patent: 6318194 (2001-11-01), Marvin et al.
patent: 58129255 (1983-08-01), None
patent: 6100756 (1986-01-01), None

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