Device for ultrasonic weld seam testing of longitudinally welded pipes for longitudinal and transversal errors
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United States of America Patent
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Aug 23, 2005
Issued Date -
N/A
app pub date -
Jul 4, 2002
filing date -
Jul 5, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for ultrasonic weld seam testing of longitudinally includes two testing carriages swingably suspended and moveable on the pipe surface to the right and left of the weld seam for longitudinal flaw inspection, and one testing carriage swingably suspended in central relationship to the weld seam and moveable on the pipe surface for transverse flaw inspection. Each testing carriage has a mount for accommodating at least one testing head which includes an oscillator, and at least one coupling medium connection having a channel ending in the region of the oscillator and configured as nozzle in the outlet area. The test head for longitudinal flaw inspection can be arranged at various fixed and predefined angle positions at variable distance to the nozzle in the mount, and the test head for transverse flaw inspection can be arranged, together with the mount, at a variable distance to the pipe surface in a support element accommodating the mount.
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