| 242 / | HD | WINDING, TENSIONING, OR GUIDING |
| 520 | DF | CONVOLUTE WINDING OF MATERIAL {17} |
| 522 | DF | .~ With cutting, perforating, or notching {4} |
| 526 | DF | .~.~ Transverse cutting {4} |
| 527 | DF | .~.~.~ Knife shiftable to sever material {3} |
| 527.2 | ![]() | .~.~.~.~ Cut adjacent to new core {1} |
| 527.3 | DF | .~.~.~.~.~> Arcuately shiftable cutter {1} |