(under subclass 159) Subject matter including material covering the interior surface of the crucible.
SEE OR SEARCH THIS CLASS, SUBCLASS:
30+, for glass furnace body details.
44+, for electroslag remelting furnace body details.
71+, for arc furnace body details.
137, for resistance furnace lining details.
162, for lining details of core-type induction furnace channels.
SEE OR SEARCH CLASS 75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,
301, for reactive furnace linings.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes,
30, for processes of furnace lining formation, or repair.
432, Heating,
248, and 264 for linings of furnaces of general utility.
501, Compositions: Ceramic, appropriate subclasses for specific lining compositions.
