| 242 / | HD | WINDING, TENSIONING, OR GUIDING |
| 430 | DF | COMPOSITE ARTICLE WINDING {11} |
| 434 | DF | .~ Through opening in ring-shaped core {4} |
| 434.1 | DF | .~.~ By supply coil linked with core {1} |
| 434.2 | | .~.~.~ Supply coil on rigid spool {2} |
| 434.3 | DF | .~.~.~.~> Having material guide slidable on spool |
| 434.4 | DF | .~.~.~.~> Having guide ring coaxial with spool |