US PATENT SUBCLASS 72 / 200
.~ With modification or control of temperature of work, tool or machine

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

199  DF  BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT {17}
200.~ With modification or control of temperature of work, tool or machine {2}
201  DF  .~.~> Including cooling
202  DF  .~.~> By means (other than a tool) modifying temperature of work

DEFINITION

Classification: 72/200

With modification or control of temperature of work, tool, or machine:

(under subclass 199) Subject matter including a step of, or means for, changing or regulating the degree of heat content of the work, the tool or any part of the deforming instrumentality wherein the tool functions.

(1) Note. See Notes (1) and (2) under the definition of subclass 128.