DETECTING APPARATUS OF CIRCUMFERENCE DEFECT

摘要

The equipment using change of pneumatic pressure supplied to the sensor body, comprises a sensor body (20) with inlet (21), outlet (22), a thermoplastic tube (10) passing through the body (20); pressure regulator (31), pressure sensor (32), pneumatic pipe (30) for supplying compressed-air; air protector (21') provided at the inlet of the body (20); streamlined projecting body (22') provided at the outlet of the body (20).