US PATENT SUBCLASS 72 / 236
.~ With cleaning or conditioning of tool, or lubrication of 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}
236.~ With cleaning or conditioning of tool, or lubrication of tool or machine

DEFINITION

Classification: 72/236

With cleaning or conditioning of tool, or lubrication of tool or machine:

(under subclass 199) Subject matter including a step of, or means for, removing foreign matter from the tool*, or preparing (e.g., by changing or maintaining the characteristics of) the tool for deformation, or for applying a friction-reducing medium to the work-engaging surface of the tool or to an instrumentality in which the tool operates.