Ultrasonic device for cutting sections of constant weight from a

Details Ultrasonic device for cutting sections of constant weight from a Ultrasonic device for cutting sections of constant weight from a

1977-05-19

1978-09-19

Queisser, Richard C.

Measuring and testing

Vibration

By mechanical waves

G01N 2900

Patent

active

041144562

ABSTRACT:
Device for measuring the volume of sections of a tubular blank by ultrasonic echography. An ultrasonic pulse emitter -receiver is associated with an auxiliary reflector. The transducer and the auxiliary reflector are mounted on a rotary head. The blank moves forward continuously and the ultrasonic beam describes a helix on its surface. On basis of the measurement of the distances from the transducer to the outer and inner surfaces of the tube, a computer calculates the elementary areas and volumes and compares the sum of the elementary volumes with a reference value. The sections of constant weight are marked by a component controlled by the computer.

REFERENCES:
patent: 3552190 (1971-01-01), Lefebyre
patent: 3827287 (1974-08-01), Boggs et al.
patent: 3901071 (1975-08-01), Hansen
patent: 3960006 (1976-01-01), Smith
patent: 4027527 (1977-06-01), Bennett et al.
patent: 4049954 (1977-09-01), Da Costavieira et al.

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