US PATENT SUBCLASS 72 / 286
.~ With heating or cooling

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

274  DF  BY PULLING WORKPIECE THROUGH CLOSED PERIPHERY DIE (E.G., ROD-, TUBE-, OR WIRE-DRAWING) {8}
286.~ With heating or cooling

DEFINITION

Classification: 72/286

With heating or cooling:

(under subclass 274) Subject matter including means which, directly or indirectly, raise or lower the temperature of all or part of the work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

342.1+, for heating or cooling of other metal- deforming devices, and see the search notes under that subclasses (342.1+).