PIPELINE LASER WELDING SET Russian patent published in 1997 - IPC

FIELD: laying of pipeline in field. SUBSTANCE: set has movable device, platform with processing laser, control equipment, power station and auxiliary equipment installed on platform. Set includes also beam conductor box on ends of which focusing devices with turnable mirrors, drive to provide rotation about axis of incident radiation and device to provide movement along axis of beam conductor are secured. Beam conductor box has drive to provide movement and device to press pipe to pipeline. Beam conductors are provided with wheels from outside. EFFECT: cut down time taken for preparatory operation for welding cycle, increased capacity of set. 3 cl, 4 dwg