ANORDNING FOR FASTSVETSNING AV FLENSAR PA ROR

摘要

Apparatus for regularly welding a tack welded flange to a pipe in which welding torches for welding outer corner on the pipe and inner corner of the flange are automatically positioned. To this end means for positioning the welding torch for welding the outer corner is provided and means for moving the welding torch for welding the inner corner according as the former welding torch is moved for positioning the latter welding torch.