Measuring and testing – Vibration – By mechanical waves
Patent
1975-12-23
1978-01-17
Queisser, Richard C.
Measuring and testing
Vibration
By mechanical waves
G01N 2904
Patent
active
040685233
ABSTRACT:
An arrangement for the non-destructive testing of articles in which a head, carrying at least one ultrasonic testing transducer, is caused to reciprocate so as to impact upon the article to be tested with an impulsive blow of short dwell time once during each reciprocation, the transducer element carrying out a testing operation during the dwell time of each impact.
REFERENCES:
patent: 2601779 (1952-07-01), Firestone
patent: 3067605 (1961-12-01), Bliss
patent: 3132510 (1964-05-01), Buchan et al.
patent: 3224253 (1965-12-01), McKay
patent: 3391571 (1968-07-01), Johanson
patent: 3521483 (1970-07-01), Miller et al.
patent: 3788466 (1974-01-01), Wilson
Goode Graham E.
Hetherington Matthew J.
Lewis Richard
British Steel Corporation
Kreitman Stephen A.
Queisser Richard C.
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