DETECTOR FOR PROJECTION ON SURFACE OF TUBE BODY

• Main Authors: OKAWACHI KOJI, IWASAKI MITSUO, FUJIKAWA HIROKI
• Format: Patent
• Language: English
• Published: 15.12.1988
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

PURPOSE:To eliminate the need to change the position of a detector owing to variation in the external diameter of a pipe, to simplify the device of a signal processing part, and to perform stable detection by detecting laser light by transmission, rotating a tube body to be inspected at a constant s...