METHODS OF INSTALLING AN ELONGATED, FLEXIBLE, ELECTRIC HEATER INTO A MATERIAL STORAGE TANK, AND HEATER CONSTRUCTION FOR THE SAME

摘要

Methods of installing an elongated, flexible, electric heater into a material storage tank comprising attaching flexible cables to opposite ends of the heater while the same is disposed exteriorly of the tank, and utilizing such cables to guide the heater to a selected position within the tank. The invention also includes novel heater construction which is particularly useful in carrying out the methods.