US PATENT SUBCLASS 266 / 262
.~ Fluid tight heat transferring box shield or hood (e.g., annealing box)

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

249  DF  MEANS TREATING SOLID METAL {5}
262.~ Fluid tight heat transferring box shield or hood (e.g., annealing box) {1}
263  DF  .~.~> Bell-type hood, or support for such hood {1}

DEFINITION

Classification: 266/262

(under subclass 249) Device including a removable enclosing receptacle or hood specially adapted for holding metal articles being heated, shielding them from the atmosphere, and equalizing the application of heat to the metal articles, e.g., annealing or carbonizing boxes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

255, for fluid-tight chamber having means for contacting the workpiece within the chamber with a gas.

SEE OR SEARCH CLASS

432, Heating,

254.1+, for fluid- tight heat transferring boxes of general utility.