| 摘要 |
PURPOSE: To provide an apparatus for forming a C-shaped innerframe with rounded corners used for a cigarette pack having rounded corners. CONSTITUTION: Contoured idling rollers 120, 180 running in cooperation with respective driven follower rollers 110, 170 set a nip with correct shape dimensions from a rounded corner formed at first in between the side walls of the innerframe and the rear flap to a round corner formed subsequently in between these side walls and the front wall. |
