220 / | HD | RECEPTACLES |
639 | DF | SEPARATE REINFORCING ELEMENT {4} |
640 | .~ Open end edge reinforcing means {3} | |
641 | DF | .~.~> Edge (e.g., rim, lip, brim, etc.) bent or rolled around a reinforcing element |
642 | DF | .~.~> Edge encompassed by U-shaped reinforcing element |
643 | DF | .~.~> Molded container including separate edge reinforcing element {1} |