Measuring and testing – Vibration – By mechanical waves
Patent
1981-03-12
1983-09-20
Ciarlante, Anthony V.
Measuring and testing
Vibration
By mechanical waves
73628, G01N 2904
Patent
active
044048530
ABSTRACT:
Method and apparatus for ultrasonic testing of tubular goods wherein plural circumferential arrays are utilized for continuous testing for specifically oriented defects. The apparatus utilizes plural ultrasonic energy transducers disposed in circumferential array for transmitting and receiving ultrasonic energy toward a central bore area. Further support structure serves to dispose the tubular goods in the central bore area for movement relative to said plural ultrasonic energy transducers while fluid enclosure means, also including a central bore area as defined by a slidable seal, maintains a fluid environment between each of the plural ultrasonic energy transducers and the tubular goods. The plural ultrasonic transducers are then repetitively energized and received energy variations due to discontinuities in said elongate goods are then output as an indication of quality.
REFERENCES:
patent: 4041773 (1977-08-01), Hauldren et al.
patent: 4217782 (1980-08-01), Pont
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