20130068745 | GAS SHIELDING DEVICE FOR A WELDING SYSTEM - A welding system moves in a direction of travel, the welding system includes at least one torch directed toward a first location. The at least one torch each contains an electrode used to facilitate a weld, wherein a primary zone surrounds the electrodes in the first location. A secondary zone is located behind the primary zone with respect to the direction of travel, wherein a second gas line delivers shielding gas toward the secondary zone. | 03-21-2013 |