Methods of inspecting fused welding portion of composite pipes by electromagnetic wave

The present invention relates to a method of inspecting a fused joint portion of composite pipes that can nondestructively test a state and defect of the fused joint portion of the composite pipes, such as polyethylene pipes by electromagnetic waves. The method includes the steps of: measuring dimen...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HEO, WON NYOUNG, KIM, TAE GYUNG, CHO, HYUN SANG, LIM, HYUNG TAIK, LIM, JUNG GYU
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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