Roller-type ultrasonic inspection device with acoustical isolation
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United States of America Patent
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-
May 28, 1985
Grant Date -
N/A
app pub date -
Sep 6, 1983
filing date -
Sep 15, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A roller-type ultrasonic probe comprises a support having two parallel limbs, and two coaxially aligned hubs each extending from a respective limb towards the other. An ultrasonic transmitter is mounted in one hub, a receiver is mounted in the other, and an acoustic screen is disposed between the adjacent ends of the hubs. Respective glycerine-filled rollers are mounted on each hub, and a common (or split) tire fits over both rollers. The respective axes of the transmitter and the receiver are preferably inclined at about 5.degree. and 7.degree. respectively towards the radially extending plane between the transmitter and receiver. The arrangement is particularly compact, and facilitates high-resolution ultrasonic investigation of bond quality in glass or carbon-fibre reinforced plastic sheets and other laminates.
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