Ultrasonic contact-type search unit

Details Ultrasonic contact-type search unit Ultrasonic contact-type search unit

1972-11-08

1976-04-13

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

310 32, 310 87, 73 675R, 73 715US, H01L 4108

Patent

active

039506606

ABSTRACT:
An ultrasonic nondestructive testing system and a contact-type, ultrasonic search unit for use in connection therewith are disclosed. The ultrasonic search unit includes a transducer crystal for receiving and transmitting ultrasonic energy, a housing in which the crystal is mounted, a dampening backing compound, and a wear-resistant cylindrical member or ring disposed within the housing and in which the crystal is mounted to provide a hard, durable, long-lasting contact face.

REFERENCES:
patent: 2671862 (1954-03-01), Farrow
patent: 2875354 (1959-02-01), Harris
patent: 2956185 (1960-10-01), Von Stocker
patent: 3068370 (1962-12-01), McInnish
patent: 3303691 (1967-02-01), Beaujard et al.
patent: 3379051 (1968-04-01), Zeutschel et al.
patent: 3387149 (1968-06-01), Young
patent: 3427481 (1969-02-01), Lenahan et al.

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