72 / | HD | METAL DEFORMING |
6.1 | DF | WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR {7} |
6.2 | DF | .~ Metal deforming by use of roller or roller-like tool element {8} |
8.1 | DF | .~.~ Including plural sensors or sensor responsive to comparison between plural conditions {3} |
10.1 | DF | .~.~.~ Sensing tool or tool-linked part {4} |
10.7 | .~.~.~.~ Sensing roll gap |