Vehicle body structure and manufacturing method of vehicle body

Abstract

In a vehicle body structure in which a vehicle-body frame of front side frames with a flangeless structure having a rectangular closed cross section and a vehicle-body panel of a dash panel are welded, a concave portion is formed at a specified portion of the vehicle-body panel to which the vehicle-body frame is welded so as to be concaved toward one side which is opposite to a disposition side of the vehicle-body frame and extends in its longitudinal direction, a temporary connection portion which temporarily connects the vehicle-body frame to a side of the concave portion is formed, and a lazar welding portion which connects the vehicle-body frame to the vehicle-body panel is formed near the temporary connection portion so as to extend along the longitudinal direction of the vehicle-body frame.

Dependencies are inferred from the claim text.