| 摘要 |
A welding carriage ( 1 ) which is movable in two directions of travel ( 4, 5 ) opposite one another comprises at least one welding device ( 17 ) possessing at least one welding nozzle ( 16 ) for welding two overlapping webs of material (a, b, c) and having at least one pressing device ( 13 ) for applying pressure to the upper web of material (a, b) after the welding operation. The welding carriage ( 1 ) is operable in both directions of travel ( 4, 5 ), wherein in each direction of travel ( 4, 5 ) the welding nozzle ( 16 ) is arranged or arrangeable ahead of the pressing device ( 13 ). |
