US PATENT SUBCLASS 72 / 69
.~ With modification or control of temperature of work, tool or machine, or with lubrication thereof

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

67  DF  BY USE OF TOOL ACTING DURING RELATIVE ROTATION BETWEEN TOOL AND WORK ABOUT INTERNAL CENTER (E.G., GYRATING OR ROTATING TOOL) {10}
69.~ With modification or control of temperature of work, tool or machine, or with lubrication thereof

DEFINITION

Classification: 72/69

With modification or control of temperature of work, tool, or machine, or with lubrication thereof:

(under subclass 67) Subject matter wherein a friction-reducing medium is applied to the tool or another portion of the deforming structure, or wherein thermal characteristics of the work, the tool, or any part of the deforming structure in which the tool functions are changed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

38, for exposure of work to gas, vapor, mist, or modified atmosphere while the work is being deformed.

39+, for cleaning, descaling, or lubrication of work for, or product of, a deforming operation.

46+, for coating of work prior to deformation thereof.