| 摘要 |
A unit (2) for forming a continuous mat (3) of tobacco with denser portions (41), wherein the mat (3) of tobacco is formed on a suction conveyor belt (6) looped about a return pulley (10) and extending through two successive shredded tobacco feed stations (20, 35); and wherein the return pulley (10), located at one (35) of the two feed stations (20, 35), has a number of radial suction seats (33), each for retaining a localized quantity (40) of tobacco on the conveyor belt (6). <IMAGE> |
