493 / | HD | MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB |
39 | DF | CIGARETTE FILTER MAKING {5} |
42 | .~ With shaping or compacting of filter material {4} | |
43 | DF | .~.~> Including heating |
44 | DF | .~.~> Including fluid contact for forming |
45 | DF | .~.~> Cutting continuous length rod into determinate lengths |
46 | DF | .~.~> Prior to assembly with other cigarette filter material |