Measuring and testing – Vibration – By mechanical waves
Patent
1976-08-23
1978-03-28
Gill, James J.
Measuring and testing
Vibration
By mechanical waves
73627, 73642, G01N 2904
Patent
active
040808394
ABSTRACT:
A convergent ultrasonic beam is formed by an emitter made as a sphere and directed to a piece under test. Having been reflected from the surface of the piece and from the defect, the ultrasonic beams are separated in space. The ultrasonic beam carrying information on the defect is displayed.
REFERENCES:
patent: 3325781 (1967-06-01), Harris
Golodaev Boris Glebovich
Razumovsky Anatoly Fedorovich
Shraiber David Solomonovich
Zakharov Leonid Mikhailovich
Gill James J.
Nissen J. Harold
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