Device for non-destructive testing of rolled steel plate and the

Details Device for non-destructive testing of rolled steel plate and the Device for non-destructive testing of rolled steel plate and the

1976-02-13

1977-08-23

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

G01N 2904

Patent

active

040431851

ABSTRACT:
A device for the non-destructive testing of rolled steel plate and the like for the presence of internal flaws or defects such as non-metallic inclusions, inhomogeneities and the like, comprising a carriage adapted to be traversed in relation to the surface of the plate to be tested and parallel thereto, said carriage having attached thereto, through the medium of connecting links, at least one ultrasonic test head including an ultrasonic transmitter and an ultrasonic receiver supported by a test head holder and adapted to be tilted about two mutually perpendicular tilting axes extending substantially parallel to the surface of the plate to be tested, said connecting links being adapted to raise and lower said test head holders individually and comprising for each test head holder both an elevating cylinder and separate guide means adapted positively to guide said test head holder in a direction extending at right angles to the raising and lowering direction, said elevating cylinder and said guide means being coupled to said test head holder through the medium of pivotal joints having a common rotational axis constituting one of said two tilting axes of said test head holder.

REFERENCES:
patent: 3188859 (1965-06-01), Greenberg et al.
patent: 3257843 (1966-06-01), Cowan
patent: 3553570 (1971-01-01), Skubiak et al.
patent: 3628374 (1971-12-01), Laudien et al.
patent: 3872378 (1975-03-01), Shiraiwa et al.

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