Title:
METHOD AND APPARATUS FOR CHECKING HORIZONTAL DEFECT OF ARC WELDED LARGE DIAMETER PIPE SEAM
Document Type and Number:
Japanese Patent JPS5527994
Kind Code:
A
Abstract:
Ultrasonic test equipment for testing the welding seam a thick wall includes transducers arranged in tandem and along the welding seam, whereby a tandem pair inspects in any instance two surface-near zones (inner and outer surface) as well as an interior zone. One of the transducers of the pair participates in a function test. Two pairs cover the same zones, but from opposite sides.
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Inventors:
KAARU RIISU
KURUTO HANOSHIETSUKU
HAINTSU SHIYUNAIDAA
KURUTO HANOSHIETSUKU
HAINTSU SHIYUNAIDAA
Application Number:
JP9909779A
Publication Date:
February 28, 1980
Filing Date:
August 02, 1979
Export Citation:
Assignee:
MANNESMANN AG
International Classes:
G01N29/04; G01N29/11; B23K31/00; G01N29/22; G01N29/48; (IPC1-7): B23K9/18; G01N29/04
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