US PATENT SUBCLASS 432 / 236
.~.~ Roll

Current as of: June, 1999
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432 /   HD   HEATING

233  DF  HEATING APPARATUS ELEMENT HAVING PROTECTIVE COOLING STRUCTURE {4}
235  DF  .~ Conveyor, chute or work agitator element {1}
236.~.~ Roll

DEFINITION

Classification: 432/236

(under subclass 235) Apparatus in which the cooled element is a work or belt supporting roll.