Patent ID: 8820613

Claim:
A method for reattaching a removed end assembly to a main body of a well car, wherein the well car with the end assembly removed includes a first section of a top tube on a main body and a second section of the top tube on an end assembly, the method comprising: providing a back-up bar having a first end and a second end, the second end having a plurality of tabs defined thereon and the backup bar substantially matching the internal perimeter of the first section of the top tube; insertably mating the plurality of tabs on the second end of each back-up bar into an opening within the internal perimeter of the first section of the top tube, wherein a gap remains between adjacent ends of the first section of the top tube and the second section of the top tube; welding the gap shut; welding the end assembly onto a shear plate of the main body; and welding a bulkhead angle into a corner defined between the end assembly and the main body.