US PATENT SUBCLASS 414 / 201
.~.~.~.~ At least one comprising bell of bell and hopper type supporting structure

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

147  DF  CHAMBER OF A TYPE UTILIZED FOR A HEATING FUNCTION AND MATERIAL CHARGING OR DISCHARGING MEANS THEREFOR {6}
160  DF  .~ Charging of chamber {7}
199  DF  .~.~ By material supporting structure movable, or having a movable component, to release material into chamber by gravity {4}
200  DF  .~.~.~ Including serially arranged closures {1}
201.~.~.~.~ At least one comprising bell of bell and hopper type supporting structure {2}
202  DF  .~.~.~.~.~> With means to improve seal between mating surfaces
203  DF  .~.~.~.~.~> Having bell and/or hopper mounted for rotation

DEFINITION

Classification: 414/201

At least one comprising bell of bell and hopper type supporting structure:

(under subclass 200) Apparatus in which one or more of the closures comprises a bell of the kind found in a material supporting structure of the bell and hopper type.

SEE OR SEARCH CLASS

266, Metallurgical Apparatus,

184, as explained in the reference thereto appearing in subclass 170 above.