| 摘要 |
A cigarette packing method and machine, whereby an output wheel (3) feeds along a folding path (P) a number of gripping heads (6), each of which receives and retains, by the ends, a relative packet (7) having minor lateral walls (11), each defined by an inner longitudinal tab (14) and an outer longitudinal tab (15) superimposed one on top of the other; each packet (7) is fed onto the folding path (P) with its outer longitudinal tabs (15) open, detached from the respective inner longitudinal tabs (14), and supported by respective folding wings (21) carried by the gripping head (6); and the folding path (P) extends through a folding station (23) where the folding wings (21) of each gripping head (6) are moved to fold the respective outer longitudinal tabs (15) into a closed position contacting the relative inner longitudinal tabs (14), and, at the same time, an outward-facing major lateral wall (10) of each packet (7) is kept flat by contact with an external contrast device (33; 45). <IMAGE>
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