(under subclass 200) Device wherein means are provided to remove excess heat energy the means treating the material thus maintaining the temperature of said means within a safe operating range.
SEE OR SEARCH THIS CLASS, SUBCLASS:
46, for a process of cooling a metallurgical apparatus.
138, for a means within a heating or treating vessel for preheating a gas, which heating inherently cools the heating or treating vessel.
SEE OR SEARCH CLASS
432, Heating, appropriate subclasses, for cooling furnaces of general utility.
