Ultrasonic testing of weld seams of pipes for detecting transver

Details Ultrasonic testing of weld seams of pipes for detecting transver Ultrasonic testing of weld seams of pipes for detecting transver

1979-08-10

1981-12-15

Yasich, Daniel M.

Measuring and testing

Vibration

By mechanical waves

73622, G01N 2904

Patent

active

043052975

ABSTRACT:
Ultrasonic test equipment for testing the welding seam a thick wall includes transducers arranged in tandem and along the welding seam, whereby a tandem pair inspects in any instance two surface-near zones (inner and outer surface) as well as an interior zone. One of the transducers of the pair participates in a function test. Two pairs cover the same zones, but from opposite sides.

REFERENCES:
patent: 3575044 (1971-04-01), Gibbs
patent: 3850027 (1974-11-01), Nakanishi et al.
patent: 3868847 (1975-03-01), Gunkel
patent: 3888114 (1975-06-01), Adams, Jr. et al.
patent: 4010636 (1977-03-01), Clark et al.
patent: 4137779 (1979-02-01), Wustenberg et al.

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