Unit for wrapping packets of prismatic shape - comprises two seats, carried on different conveyors, one with wrapping material and packet housed in it which on contact with second seat folds wrapping material around packet

摘要

The seats (31, 46) are so formed that the first engages a respective the packet (2) by the ends and in such a manner as to leave free at least a first pair (6) of the lateral surfaces (6, 7), and the second engages the packet (2) by the first pair (6) of lateral surfaces (6, 7). The first and the second pocket (11, 12) respectively comprise a first and a second pair of engaging lateral walls (32, 47) respectively defining the first and the second seat (31, 46) . The first pair of lateral walls (32) define a longitudinal opening (34) of the first seat (31) and engaging a respective the packet (2) by the ends. It also has a second pair of lateral walls (47) positioned crosswise to the first pair of lateral walls (32) to engage a respective the packet (2) by the first pair of lateral surfaces (6). It also comprises a retainer (13) for releasably retaining a sheet of wrapping material positioned closing the longitudinal opening (34).