HAMMERING SOUND DISCRIMINATING DEVICE, AND DISCRIMINATING METHOD

• Main Authors: ABIKO MASASHI, FUKUDA YASUSHI, HIBINO KATSUHIKO, OTAKA TADASHI, SATAKE YUKINOBU, MINE KIYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 21.06.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

PROBLEM TO BE SOLVED: To enable whether the material of underground piping is ductile cast iron or gray cast iron simply and yet precisely in a non-destructive way.SOLUTION: A discriminating device used for hitting underground piping with a hammer or the like to know the material of the piping from...