US PATENT SUBCLASS 432 / 153
.~.~ Work or work carrier slides on heated chamber wall or floor

Current as of: June, 1999
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432 /   HD   HEATING

120  DF  WORK CHAMBER HAVING HEATING MEANS {12}
121  DF  .~ Having means by which work is progressed or moved mechanically {9}
153.~.~ Work or work carrier slides on heated chamber wall or floor {1}
154  DF  .~.~.~> Screw-type pusher

DEFINITION

Classification: 432/153

(under subclass 121) Apparatus having means by which the work itself or its carrier is caused to slide directly on a heat emitting surface of the work chamber.