GUIDE DEVICE FOR PROCESSING, FLEXIBLE BODY FOR USE ON A DEVICE AND METHOD FOR WELDING A PIPE IN A NUMBER OF WELDING PASSES USING A DEVICE

摘要

guide device for use in processing, flexible body for use in a device and method for welding a pipe in a number of welding passes using a device. It is a guide device for use in the processing, particularly welding, of curved surfaces, in particular pipe surfaces, comprising a flexible elongate body provided with a guide for processing means; tensioning means for tensioning the flexible body around the curved surface; wherein the flexible body is provided along its length with indicators arranged according to a given pattern, this pattern allowing a given position along the flexible body to be inferred based on detection. of the indicators.