Patent ID: 7641098

Claim:
Continuous welding machine ( 1 ) for welding facing sides of a pipe blank ( 15 ) bent from a material blank, the welding machine comprising a welding device, a guide strut ( 2 ) for guiding the sides of the pipe blank ( 15 ) to be welded to each other in a direction toward the welding device ( 3 ), a guide track having pipe guides ( 4 , 5 ) arranged around a periphery of the guide track for the pipe blank ( 15 ), the pipe guides ( 4 , 5 ) and the guide strut ( 2 ) are adjustable radially inwardly and outwardly from a guide axis ( 7 ) for adapting to different pipe diameters in a radial direction relative to the guide axis ( 7 ), and guide tracks ( 8 , 9 ) of the guide strut ( 2 ) allocated to the sides of the pipe blank ( 15 ) to be welded are arranged on opposite sides of the guide strut ( 2 ) at an angle relative to each other in a plane extending through the guide axis ( 7 ).