Patent ID: 6875942

Claim:
A method for jacketing a tank car utilizing a first cylinder and second cylinder, each cylinder having a longitudinal cut on a bottom portion defining a first bottom edge and a second bottom edge of each cylinder, said method comprising: lifting the first cylinder such that the first and second bottom edges of the first cylinder separate creating a radius greater than a radius of the tank car including a layer of insulation; positioning the first cylinder over the tank car; lowering the first cylinder such that the first and second bottom edges of the first cylinder are free to wrap around the tank car; lifting the second cylinder such that the first and second bottom edges of the second cylinder separate creating a radius greater than a radius of the tank car including a layer of insulation; positioning the second cylinder over the tank car; lowering the second cylinder such that the first and second bottom edges of the second cylinder are free to wrap around the tank car; welding the first cylinder and the second cylinder together; and welding the first and the second cylinder to at least one inlet nozzle and at least one tank car head.