DEVICE FOR CONFIRMING LEFT POSITION OF DRAIN MATERIAL IN DRAIN METHOD

摘要

PROBLEM TO BE SOLVED: To provide high durability and detecting capacity of high accuracy without causing severance of element wire of a cable and severance of the cable by preventing a transmission means for power supply and detection signals from receiving mechanical load such as friction, drawing or bending. SOLUTION: This device for confirming the left position of a drain material in a drain method has a primary power supply 14 on the placing machine B side; a secondary power supply 5 provided on the mandrel A side to supply power to a detecting means 2; and non-contact power supply devices 3, 4 for supplying power in a non-contact manner from the primary power supply 14 to the secondary power supply 5. The device further has non-contact transmission means 6-10 for transmitting the detection signals transmitted from the detecting means 2; an image processor 11 for carrying out image processing of the signals transmitted by the non-contact transmission means 6-10; and an arithmetic unit 12 for carrying out arithmetic processing of data image-processed by the image processor 11, to confirm the left position of the drain material D. COPYRIGHT: (C)2004,JPO