72 / | HD | METAL DEFORMING |
127 | DF | BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING OR TROUGHING MATERIAL IN MOVEMENT) {11} |
160 | DF | .~ By use of deflected arranged to provide longitudinally undulating path for work (e.g., "leveling") {4} |
162 | .~.~ Including relatively-inclined successive rollers |