| 摘要 |
An apparatus (2) in an aspect comprises feeding means (11, 12, 24) in order to feed sheet material (8) to a packaging station (7) of products (4), conveyor means (6, 6a, 6b) in order to convey said products (4) to said packaging station (7), bar means (16a, 16b) movable along an operating stroke and provided with active elements arranged in order to seal strips of said sheet material (8) in said packaging station (7) so as to enclose said products (4) into said sheet material (8), said bar means (16a, 16b) being coupled to operating and driving means (134, 136, 148, 159, 160, 162) such to maintain said active elements mutually parallel at least during said operating stroke. <IMAGE> |
