APPARATUS FOR INSPECTING PIPELINE

A system for inspecting whether or not a pipeline (18) is eccentric comprises the steps of directing a beam (20) from one end of the pipeline to the other end, disposing detecting means (24,158), which is provided with a light receiving body (50,50 min ) having a light receiving surface (56,56 min )...

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Bibliographische Detailangaben
1. Verfasser:	NOBUNAGA, HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A system for inspecting whether or not a pipeline (18) is eccentric comprises the steps of directing a beam (20) from one end of the pipeline to the other end, disposing detecting means (24,158), which is provided with a light receiving body (50,50 min ) having a light receiving surface (56,56 min ) for receiving the beam and a television camera (60,60 min ) for taking a picture of the light receiving body, in the pipeline to be moved axially of the pipeline, processing an output signal of the television camera while maintaining the position of the light receiving body to have a predetermined relationship to the inner surface of the pipeline and inspecting whether or not the pipeline is eccentric on the basis of the result of processing.