43446 ⎘
Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups; Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member being fixed to the workpiece the guide member being a part of the workpiece
TELESCOPING LIFT MECHANSIM WITH AUTOMATIC SELF-LOCKING
#2SYSTEM AND METHOD FOR CARRYING OUT OPERATIONS ALONG AN ANNULAR JUNCTION PORTION OF A PIPELINE AND LAYING VESSEL COMPRISING SAID SYSTEM
#3Reversible weld torch trolley
#4Small frame crawler system
#5Mobile self-aligning universal welding carriage
#6Method and apparatus for welding metal panels having flanges