US PATENT SUBCLASS 266 / 280
LININGS

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

280LININGS {6}
281  DF  .~> With making or repairing means
282  DF  .~> With metallic means to prevent lining abrasion
283  DF  .~> Having particular lining element shape
284  DF  .~> Having specific grain size
285  DF  .~> With means allowing for expansion
286  DF  .~> With specific lining enclosing structure

DEFINITION

Classification: 266/280

(under the class definition) Device which comprises the specific construction or composition of the metal or ore contacting inner covering of a treating vessel.

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.

432, Heating,

248, and 264 for linings of furnaces of general utility.

501, Compositions: Ceramic, appropriate subclasses for ceramic compositions useful as linings.