| 摘要 |
Object of the invention is to provide a simple and effective means of removing an internal weld bead, which objective is met by a construction characterised by a body member (1), adjustable support means (23, 28) on the body member to locate the body member within a pipe, a motor (2) with the body member, a feed screw means (7) slidably mounted on shaft (3) extending from the motor, the feed screw means (7) engaging a threaded bore in a drive screw means (8) located in the body member, and there being cutter and the like means (21, 30) removably secured to the end of the feed screw means. |
