Measuring and testing – Vibration – By mechanical waves
Patent
1979-01-11
1982-01-19
Kreitman, Stephen A.
Measuring and testing
Vibration
By mechanical waves
G01N 2900
Patent
active
043110525
ABSTRACT:
The material tester has three mutually perpendicular directions of motion and a rotary motion about an upright axis. Ultrasonic search units are mounted for motion on or about these axes and are connected to control the speeds along several of the axes and about the vertical axis as well as to produce a signal showing the properties of the material to be tested. The search units are controlled by the motion along the several axes and about an upright axis to follow a contour.
REFERENCES:
patent: 3575043 (1971-04-01), Allen et al.
patent: 3898838 (1975-08-01), Connelly
patent: 3969926 (1976-07-01), Walker et al.
patent: 4140954 (1979-02-01), Jeffras et al.
Jeffras Nathaniel B.
Modispacher Donald R.
Automation Industries, Inc.
Carten Francis N.
Kreitman Stephen A.
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