413 / | HD | SHEET METAL CONTAINER MAKING |
1 | DF | METHOD {3} |
8 | DF | .~ Forming or treating metallic closure {9} |
12 | DF | .~.~ Fabricating or assembling member having frangible portion (e.g., tear tab forming) {3} |
14 | .~.~.~ Assembling pull tab (e.g., ring) to tear tab |