Ultrasonic plate inspection system

Details Ultrasonic plate inspection system Ultrasonic plate inspection system

1975-05-27

1976-09-14

Gill, James J.

Measuring and testing

Moisture content or absorption characteristic of material

G01N 2904

Patent

active

039799468

ABSTRACT:
This invention provides for the ultrasonic testing of hot, moving metal plate, to detect faults therein. A testing shoe has a surface intended to be juxtaposed against the metal plate, and includes an ultrasonic probe member with an adjacent face parallel with but slightly recessed from the shoe surface. An internal cooling chamber encircles the probe member and has an outlet adjacent the generating face. Cooling liquid is conveyed to the cooling chamber, and exits across the generating face and along a pre-cooling channel in the shoe surface extending away from the probe member in the direction opposite the direction of movement of the metal plate with respect to the shoe.

REFERENCES:
patent: 3190112 (1965-06-01), Beaujard et al.
patent: 3303691 (1967-02-01), Beaujard et al.
patent: 3646806 (1972-03-01), Yamaguchi

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