Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate
2005-07-26
2005-07-26
Williams, Hezron (Department: 2856)
Measuring and testing
Vibration
By mechanical waves
C073S634000, C073S635000, C073S642000
Reexamination Certificate
active
06920791
ABSTRACT:
In a method and a device for the ultrasonic monitoring of overlapping welded joints between a first sheet and a second sheet pulses are irradiated at an angle of between 15 and 80° into the first sheet by a first rotating probe head. The rotating probe head is arranged on a mount and has a tire rotating about the axle, coupled to the ultrasound transmitter and rolling along the first sheet, parallel to the overlapping welded joint. On ultrasound investigation of the overlapping welded joint the impulses transmitted to the second sheet are received by a second receiving rotating probe head, of similar construction to the first rotating probe head.
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Wagner Joachim
Wollny Peter
Akerman & Senterfitt
GE Inspection Technologies Systems
Miller Rose M.
Williams Hezron
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