US PATENT SUBCLASS 72 / 342.5
.~.~ And heating of work

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

342.1  DF  WITH TEMPERATURE MODIFICATION OF TOOL OR OF SPECIFIED PORTION OF WORK {3}
342.2  DF  .~ Cooling {2}
342.5.~.~ And heating of work {1}
342.6  DF  .~.~.~> Distinct temperature modifications at distinct locations of workpiece

DEFINITION

Classification: 72/342.5

And heating of work:

(under subclass 342.2) Subject matter comprising heating (i.e., raising the thermal level of the material being deformed).