.~ Including apparatus heat-up, cool-down or protection
(under subclass 1) Process including (1) a step or procedure for preventing damage to a heating device or (2) a procedure effective to bring a heating device up to or to lower its temperature from operating temperature.
SEE OR SEARCH THIS CLASS, SUBCLASS:
35, for a heating apparatus having a frangible or fusible safety relief or shutdown means.
38, for a condition responsive control of apparatus protecting fluid or means:
116, for a rotary drum furnace having protective cooling means.
233+, for a heating apparatus element having protective cooling structure.
248, for a melt holding section of a furnace having a protected section. 251, for furnace structure having expansion, absorbing or relieving means.
SEE OR SEARCH CLASS
164, Metal Founding,
121, for a process in which founding apparatus is readied for casting.