| 20080289304 | MACHINE FOR THE PRODUCTION OF BAGS MADE OF HEAT-SEALED ALVEOLAR OR FOAMED THERMOPLASTIC MATERIAL - A machine for the production of bags made of alveolar or foamed plastic material starting from at least one continuous web with superimposed flaps fed continuously to a heat-sealing assembly. The heat-sealing assembly is actuated according to a pendular motion in synchronism with continuous advance of the web, and is pre-arranged for carrying out, at the same time as heat-sealing, half-cuts on the web, which is then folded in concertina fashion by means of a lapper assembly at output from the machine. | 11-27-2008 |
