US PATENT SUBCLASS 432 / 103
TUMBLER-TYPE ROTARY - DRUM FURNACE

Current as of: June, 1999
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432 /   HD   HEATING

103TUMBLER-TYPE ROTARY - DRUM FURNACE {8}
104  DF  .~> Having support for engaging heated surface of domestic stove
105  DF  .~> Having combustion products generated in or fed to drum {3}
112  DF  .~> Externally heated drum or associated heating element heats work by conduction or radiation {2}
115  DF  .~> Having flexible, cooled, or air curtain seal between rotary and stationary parts
116  DF  .~> Having protective cooling structure
117  DF  .~> Having work or work atmosphere feed or discharge structure
118  DF  .~> Having structure agitating or controlling the motion of the charge
119  DF  .~> Having brick-type lining

DEFINITION

Classification: 432/103

(under the class definition) Apparatus comprising a work containing chamber structure mounted for rotation about a horizontal or slightly inclined axis, the rotation of the chamber structure imparting a tumbling motion to the work.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

108+, for a rotary drier or gas or vapor contact with solids apparatus. See the search notes in Class 432 for the line between Classes 34 and 432.

110, Furnaces,

246, for a refuse incinerator comprising a rotary drum.

165, Heat Exchange, 89, for a heat exchange comprising a rotary drum.

202, Distillation: Apparatus,

100, for a directly, and subclass 136 for an indirectly heated rotary chamber or retort used for producing a condensible material from solid work.

219, Electric Heating,

389, for an electrically heated revolving container.

248, Supports,

130, for a stand for a movable receptacle rotating about a horizontal axis.

266, Metallurgical Apparatus,

145, for a rotary metallurgical furnace with a fume arrester, and subclasses 163, 173 and 213 for metallurgical furnaces of the rotary drum type.

366, Agitating,

220+, for an agitator, per se, comprising a rotatable mixing chamber. 373, Industrial Electric Heating Furnaces,

84, and 85+ for a tilting or rotating electrical arc furnace.

384, Bearings,

549, for an antifriction bearing for a rotary drum.