US PATENT SUBCLASS 72 / 342.2
.~ Cooling

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.~ Cooling {2}
342.3  DF  .~.~> Of tool {1}
342.5  DF  .~.~> And heating of work {1}

DEFINITION

Classification: 72/342.2

Cooling:

(under subclass 342.1) Subject matter comprising means for,

or a step of localized cooling (i.e., lowering the thermal energy of) a tool* of a metal-deforming device and/or of a limited and particularly denoted part of the work.